805 files changed, 58201 insertions, 37038 deletions

diff --git a/TEST_MAPPING b/TEST_MAPPING
index e66bca07ab..f54f13216f 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -28,6 +28,9 @@
           "include-filter": "*CropLatchingTest.*"
         },
         {
+          "include-filter": "*ChildLayerTest.*"
+        },
+        {
           "include-filter": "*ScreenCaptureTest.*"
         },
         {
@@ -53,6 +56,9 @@
         },
         {
           "include-filter": "*RefreshRateOverlayTest.*"
+        },
+        {
+          "exclude-filter": "*ChildLayerTest#ChildrenSurviveParentDestruction"
         }
       ]
     },
diff --git a/aidl/gui/android/view/Surface.aidl b/aidl/gui/android/view/Surface.aidl
index 7e892205d5..bb3faaff79 100644
--- a/aidl/gui/android/view/Surface.aidl
+++ b/aidl/gui/android/view/Surface.aidl
@@ -17,4 +17,4 @@
 
 package android.view;
 
-parcelable Surface cpp_header "gui/view/Surface.h";
+@JavaOnlyStableParcelable @NdkOnlyStableParcelable parcelable Surface cpp_header "gui/view/Surface.h" ndk_header "android/native_window_aidl.h";
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 5267b0294c..2e0c95a5fe 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -181,6 +181,8 @@ on late-init
     chmod 0666 /sys/kernel/tracing/events/clk/clk_enable/enable
     chmod 0666 /sys/kernel/debug/tracing/events/clk/clk_set_rate/enable
     chmod 0666 /sys/kernel/tracing/events/clk/clk_set_rate/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/printk/console/enable
+    chmod 0666 /sys/kernel/tracing/events/printk/console/enable
 
     # disk
     chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_get_data_block/enable
@@ -298,6 +300,12 @@ on late-init
     chmod 0666 /sys/kernel/debug/tracing/events/kmem/rss_stat/trigger
     chmod 0666 /sys/kernel/tracing/events/kmem/rss_stat/trigger
 
+on late-init && property:ro.boot.fastboot.boottrace=enabled
+    setprop debug.atrace.tags.enableflags 802922
+    setprop persist.traced.enable 0
+    write /sys/kernel/debug/tracing/tracing_on 1
+    write /sys/kernel/tracing/tracing_on 1
+
 # Only create the tracing instance if persist.mm_events.enabled
 # Attempting to remove the tracing instance after it has been created
 # will likely fail with EBUSY as it would be in use by traced_probes.
@@ -393,3 +401,10 @@ on property:persist.debug.atrace.boottrace=1
 service boottrace /system/bin/atrace --async_start -f /data/misc/boottrace/categories
     disabled
     oneshot
+
+on property:sys.boot_completed=1 && property:ro.boot.fastboot.boottrace=enabled
+    setprop debug.atrace.tags.enableflags 0
+    setprop persist.traced.enable 1
+    write /sys/kernel/debug/tracing/tracing_on 0
+    write /sys/kernel/tracing/tracing_on 0
+
diff --git a/cmds/dumpstate/Android.bp b/cmds/dumpstate/Android.bp
index a62bd01a5b..860a2d82e6 100644
--- a/cmds/dumpstate/Android.bp
+++ b/cmds/dumpstate/Android.bp
@@ -155,7 +155,10 @@ cc_test {
         "dumpstate.cpp",
         "tests/dumpstate_test.cpp",
     ],
-    static_libs: ["libgmock"],
+    static_libs: [
+        "libc++fs",
+        "libgmock",
+    ],
     test_config: "dumpstate_test.xml",
     data: [
         ":dumpstate_test_fixture",
diff --git a/cmds/dumpstate/DumpstateService.cpp b/cmds/dumpstate/DumpstateService.cpp
index e42ee0540b..42e9e0f1a7 100644
--- a/cmds/dumpstate/DumpstateService.cpp
+++ b/cmds/dumpstate/DumpstateService.cpp
@@ -51,7 +51,7 @@ static binder::Status exception(uint32_t code, const std::string& msg,
 
 // Creates a bugreport and exits, thus preserving the oneshot nature of the service.
 // Note: takes ownership of data.
-[[noreturn]] static void* dumpstate_thread_main(void* data) {
+[[noreturn]] static void* dumpstate_thread_bugreport(void* data) {
     std::unique_ptr<DumpstateInfo> ds_info(static_cast<DumpstateInfo*>(data));
     ds_info->ds->Run(ds_info->calling_uid, ds_info->calling_package);
     MYLOGD("Finished taking a bugreport. Exiting.\n");
@@ -84,11 +84,28 @@ status_t DumpstateService::Start() {
     return android::OK;
 }
 
+binder::Status DumpstateService::preDumpUiData(const std::string&) {
+    std::lock_guard<std::mutex> lock(lock_);
+    MYLOGI("preDumpUiData()");
+
+    if (ds_ != nullptr) {
+        MYLOGE("Error! DumpstateService is currently already being used. Returning.");
+        return exception(binder::Status::EX_SERVICE_SPECIFIC,
+                         "DumpstateService is already being used");
+    }
+
+    ds_ = &(Dumpstate::GetInstance());
+    ds_->PreDumpUiData();
+
+    return binder::Status::ok();
+}
+
 binder::Status DumpstateService::startBugreport(int32_t calling_uid,
                                                 const std::string& calling_package,
                                                 android::base::unique_fd bugreport_fd,
                                                 android::base::unique_fd screenshot_fd,
                                                 int bugreport_mode,
+                                                int bugreport_flags,
                                                 const sp<IDumpstateListener>& listener,
                                                 bool is_screenshot_requested) {
     MYLOGI("startBugreport() with mode: %d\n", bugreport_mode);
@@ -96,12 +113,12 @@ binder::Status DumpstateService::startBugreport(int32_t calling_uid,
     // Ensure there is only one bugreport in progress at a time.
     std::lock_guard<std::mutex> lock(lock_);
     if (ds_ != nullptr) {
-        MYLOGE("Error! There is already a bugreport in progress. Returning.");
+        MYLOGE("Error! DumpstateService is currently already being used. Returning.");
         if (listener != nullptr) {
             listener->onError(IDumpstateListener::BUGREPORT_ERROR_ANOTHER_REPORT_IN_PROGRESS);
         }
         return exception(binder::Status::EX_SERVICE_SPECIFIC,
-                         "There is already a bugreport in progress");
+                         "DumpstateService is already being used");
     }
 
     // From here on, all conditions that indicate we are done with this incoming request should
@@ -123,8 +140,8 @@ binder::Status DumpstateService::startBugreport(int32_t calling_uid,
     }
 
     std::unique_ptr<Dumpstate::DumpOptions> options = std::make_unique<Dumpstate::DumpOptions>();
-    options->Initialize(static_cast<Dumpstate::BugreportMode>(bugreport_mode), bugreport_fd,
-                        screenshot_fd, is_screenshot_requested);
+    options->Initialize(static_cast<Dumpstate::BugreportMode>(bugreport_mode), bugreport_flags,
+                        bugreport_fd, screenshot_fd, is_screenshot_requested);
 
     if (bugreport_fd.get() == -1 || (options->do_screenshot && screenshot_fd.get() == -1)) {
         MYLOGE("Invalid filedescriptor");
@@ -148,10 +165,9 @@ binder::Status DumpstateService::startBugreport(int32_t calling_uid,
     pthread_t thread;
     // Initialize dumpstate
     ds_->Initialize();
-    status_t err = pthread_create(&thread, nullptr, dumpstate_thread_main, ds_info);
+    status_t err = pthread_create(&thread, nullptr, dumpstate_thread_bugreport, ds_info);
     if (err != 0) {
         delete ds_info;
-        ds_info = nullptr;
         MYLOGE("Could not create a thread");
         signalErrorAndExit(listener, IDumpstateListener::BUGREPORT_ERROR_RUNTIME_ERROR);
     }
diff --git a/cmds/dumpstate/DumpstateService.h b/cmds/dumpstate/DumpstateService.h
index 3ec8471c04..997999c805 100644
--- a/cmds/dumpstate/DumpstateService.h
+++ b/cmds/dumpstate/DumpstateService.h
@@ -38,13 +38,16 @@ class DumpstateService : public BinderService<DumpstateService>, public BnDumpst
 
     status_t dump(int fd, const Vector<String16>& args) override;
 
+    binder::Status preDumpUiData(const std::string& callingPackage) override;
+
     binder::Status startBugreport(int32_t calling_uid, const std::string& calling_package,
                                   android::base::unique_fd bugreport_fd,
                                   android::base::unique_fd screenshot_fd, int bugreport_mode,
-                                  const sp<IDumpstateListener>& listener,
+                                  int bugreport_flags, const sp<IDumpstateListener>& listener,
                                   bool is_screenshot_requested) override;
 
-    binder::Status cancelBugreport(int32_t calling_uid, const std::string& calling_package);
+    binder::Status cancelBugreport(int32_t calling_uid,
+                                   const std::string& calling_package) override;
 
   private:
     // Dumpstate object which contains all the bugreporting logic.
diff --git a/cmds/dumpstate/binder/android/os/IDumpstate.aidl b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
index 0793f0b95f..d4323af3cf 100644
--- a/cmds/dumpstate/binder/android/os/IDumpstate.aidl
+++ b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
@@ -49,6 +49,23 @@ interface IDumpstate {
     // Default mode.
     const int BUGREPORT_MODE_DEFAULT = 6;
 
+    // Use pre-dumped data.
+    const int BUGREPORT_FLAG_USE_PREDUMPED_UI_DATA = 1;
+
+    /**
+     * Speculatively pre-dumps UI data for a bugreport request that might come later.
+     *
+     * <p>Triggers the dump of certain critical UI data, e.g. traces stored in short
+     * ring buffers that might get lost by the time the actual bugreport is requested.
+     *
+     * <p>{@code startBugreport} will then pick the pre-dumped data if:
+     * - {@link BUGREPORT_FLAG_USE_PREDUMPED_UI_DATA} is specified.
+     * - {@code preDumpUiData} and {@code startBugreport} were called by the same UID.
+     *
+     * @param callingPackage package of the original application that requested the report.
+     */
+    void preDumpUiData(@utf8InCpp String callingPackage);
+
     /**
      * Starts a bugreport in the background.
      *
@@ -63,13 +80,14 @@ interface IDumpstate {
      * @param bugreportFd the file to which the zipped bugreport should be written
      * @param screenshotFd the file to which screenshot should be written
      * @param bugreportMode the mode that specifies other run time options; must be one of above
+     * @param bugreportFlags flags to customize the bugreport generation
      * @param listener callback for updates; optional
      * @param isScreenshotRequested indicates screenshot is requested or not
      */
     void startBugreport(int callingUid, @utf8InCpp String callingPackage,
                         FileDescriptor bugreportFd, FileDescriptor screenshotFd,
-                        int bugreportMode, IDumpstateListener listener,
-                        boolean isScreenshotRequested);
+                        int bugreportMode, int bugreportFlags,
+                        IDumpstateListener listener, boolean isScreenshotRequested);
 
     /**
      * Cancels the bugreport currently in progress.
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 12de33f2db..69a1df27b2 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -241,6 +241,7 @@ static const std::string DUMP_NETSTATS_PROTO_TASK = "DUMP NETSTATS PROTO";
 static const std::string DUMP_HALS_TASK = "DUMP HALS";
 static const std::string DUMP_BOARD_TASK = "dumpstate_board()";
 static const std::string DUMP_CHECKINS_TASK = "DUMP CHECKINS";
+static const std::string POST_PROCESS_UI_TRACES_TASK = "POST-PROCESS UI TRACES";
 
 namespace android {
 namespace os {
@@ -1055,7 +1056,7 @@ static void DumpNetstatsProto() {
         return;
     }
     RunCommandToFd(fd, "", {"dumpsys", "netstats", "--proto"},
-            CommandOptions::WithTimeout(120).Build());
+            CommandOptions::WithTimeout(5).Build());
     bool empty = 0 == lseek(fd, 0, SEEK_END);
     if (!empty) {
         ds.EnqueueAddZipEntryAndCleanupIfNeeded(kProtoPath + "netstats" + kProtoExt,
@@ -1606,16 +1607,16 @@ static void DumpAppInfos(int out_fd = STDOUT_FILENO) {
 // via the consent they are shown. Ignores other errors that occur while running various
 // commands. The consent checking is currently done around long running tasks, which happen to
 // be distributed fairly evenly throughout the function.
-static Dumpstate::RunStatus dumpstate() {
+Dumpstate::RunStatus Dumpstate::dumpstate() {
     DurationReporter duration_reporter("DUMPSTATE");
 
     // Enqueue slow functions into the thread pool, if the parallel run is enabled.
     std::future<std::string> dump_hals, dump_incident_report, dump_board, dump_checkins,
-            dump_netstats_report;
+            dump_netstats_report, post_process_ui_traces;
     if (ds.dump_pool_) {
         // Pool was shutdown in DumpstateDefaultAfterCritical method in order to
-        // drop root user. Restarts it with two threads for the parallel run.
-        ds.dump_pool_->start(/* thread_counts = */2);
+        // drop root user. Restarts it.
+        ds.dump_pool_->start(/* thread_counts = */3);
 
         dump_hals = ds.dump_pool_->enqueueTaskWithFd(DUMP_HALS_TASK, &DumpHals, _1);
         dump_incident_report = ds.dump_pool_->enqueueTask(
@@ -1625,6 +1626,8 @@ static Dumpstate::RunStatus dumpstate() {
         dump_board = ds.dump_pool_->enqueueTaskWithFd(
             DUMP_BOARD_TASK, &Dumpstate::DumpstateBoard, &ds, _1);
         dump_checkins = ds.dump_pool_->enqueueTaskWithFd(DUMP_CHECKINS_TASK, &DumpCheckins, _1);
+        post_process_ui_traces = ds.dump_pool_->enqueueTask(
+            POST_PROCESS_UI_TRACES_TASK, &Dumpstate::MaybePostProcessUiTraces, &ds);
     }
 
     // Dump various things. Note that anything that takes "long" (i.e. several seconds) should
@@ -1747,11 +1750,6 @@ static Dumpstate::RunStatus dumpstate() {
     DumpFile("BINDER STATS", binder_logs_dir + "/stats");
     DumpFile("BINDER STATE", binder_logs_dir + "/state");
 
-    /* Add window and surface trace files. */
-    if (!PropertiesHelper::IsUserBuild()) {
-        ds.AddDir(WMTRACE_DATA_DIR, false);
-    }
-
     ds.AddDir(SNAPSHOTCTL_LOG_DIR, false);
 
     if (ds.dump_pool_) {
@@ -1831,6 +1829,14 @@ static Dumpstate::RunStatus dumpstate() {
                 DumpIncidentReport);
     }
 
+    if (ds.dump_pool_) {
+        WaitForTask(std::move(post_process_ui_traces));
+    } else {
+        RUN_SLOW_FUNCTION_AND_LOG(POST_PROCESS_UI_TRACES_TASK, MaybePostProcessUiTraces);
+    }
+
+    MaybeAddUiTracesToZip();
+
     return Dumpstate::RunStatus::OK;
 }
 
@@ -2805,9 +2811,11 @@ static void LogDumpOptions(const Dumpstate::DumpOptions& options) {
 }
 
 void Dumpstate::DumpOptions::Initialize(BugreportMode bugreport_mode,
+                                        int bugreport_flags,
                                         const android::base::unique_fd& bugreport_fd_in,
                                         const android::base::unique_fd& screenshot_fd_in,
                                         bool is_screenshot_requested) {
+    this->use_predumped_ui_data = bugreport_flags & BugreportFlag::BUGREPORT_USE_PREDUMPED_UI_DATA;
     // Duplicate the fds because the passed in fds don't outlive the binder transaction.
     bugreport_fd.reset(fcntl(bugreport_fd_in.get(), F_DUPFD_CLOEXEC, 0));
     screenshot_fd.reset(fcntl(screenshot_fd_in.get(), F_DUPFD_CLOEXEC, 0));
@@ -2935,6 +2943,10 @@ void Dumpstate::Cancel() {
     }
 }
 
+void Dumpstate::PreDumpUiData() {
+    MaybeSnapshotUiTraces();
+}
+
 /*
  * Dumps relevant information to a bugreport based on the given options.
  *
@@ -3126,9 +3138,9 @@ Dumpstate::RunStatus Dumpstate::RunInternal(int32_t calling_uid,
         // The trace file is added to the zip by MaybeAddSystemTraceToZip().
         MaybeSnapshotSystemTrace();
 
-        // If a winscope trace is running, snapshot it now. It will be pulled into bugreport later
-        // from WMTRACE_DATA_DIR.
-        MaybeSnapshotWinTrace();
+        // Snapshot the UI traces now (if running).
+        // The trace files will be added to bugreport later.
+        MaybeSnapshotUiTraces();
     }
     onUiIntensiveBugreportDumpsFinished(calling_uid);
     MaybeCheckUserConsent(calling_uid, calling_package);
@@ -3243,15 +3255,53 @@ void Dumpstate::MaybeSnapshotSystemTrace() {
     // file in the later stages.
 }
 
-void Dumpstate::MaybeSnapshotWinTrace() {
+void Dumpstate::MaybeSnapshotUiTraces() {
+    if (PropertiesHelper::IsUserBuild() || options_->use_predumped_ui_data) {
+        return;
+    }
+
     // Currently WindowManagerService and InputMethodManagerSerivice support WinScope protocol.
-    for (const auto& service : {"window", "input_method"}) {
+    for (const auto& service : {"input_method", "window"}) {
         RunCommand(
             // Empty name because it's not intended to be classified as a bugreport section.
             // Actual tracing files can be found in "/data/misc/wmtrace/" in the bugreport.
             "", {"cmd", service, "tracing", "save-for-bugreport"},
             CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
     }
+
+    static const auto SURFACEFLINGER_COMMAND_SAVE_ALL_TRACES = std::vector<std::string> {
+        "service", "call", "SurfaceFlinger", "1042"
+    };
+    // Empty name because it's not intended to be classified as a bugreport section.
+    // Actual tracing files can be found in "/data/misc/wmtrace/" in the bugreport.
+    RunCommand(
+        "", SURFACEFLINGER_COMMAND_SAVE_ALL_TRACES,
+        CommandOptions::WithTimeout(10).Always().AsRoot().RedirectStderr().Build());
+}
+
+void Dumpstate::MaybePostProcessUiTraces() {
+    if (PropertiesHelper::IsUserBuild()) {
+        return;
+    }
+
+    RunCommand(
+        // Empty name because it's not intended to be classified as a bugreport section.
+        // Actual tracing files can be found in "/data/misc/wmtrace/" in the bugreport.
+        "", {
+            "/system/xbin/su", "system",
+            "/system/bin/layertracegenerator",
+            "/data/misc/wmtrace/transactions_trace.winscope",
+            "/data/misc/wmtrace/layers_trace_from_transactions.winscope"
+        },
+        CommandOptions::WithTimeout(120).Always().RedirectStderr().Build());
+}
+
+void Dumpstate::MaybeAddUiTracesToZip() {
+    if (PropertiesHelper::IsUserBuild()) {
+        return;
+    }
+
+    ds.AddDir(WMTRACE_DATA_DIR, false);
 }
 
 void Dumpstate::onUiIntensiveBugreportDumpsFinished(int32_t calling_uid) {
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index 7ffe80eba3..9f894b5079 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -204,6 +204,12 @@ class Dumpstate {
         BUGREPORT_DEFAULT = android::os::IDumpstate::BUGREPORT_MODE_DEFAULT
     };
 
+    // The flags used to customize bugreport requests.
+    enum BugreportFlag {
+        BUGREPORT_USE_PREDUMPED_UI_DATA =
+          android::os::IDumpstate::BUGREPORT_FLAG_USE_PREDUMPED_UI_DATA
+    };
+
     static android::os::dumpstate::CommandOptions DEFAULT_DUMPSYS;
 
     static Dumpstate& GetInstance();
@@ -333,6 +339,12 @@ class Dumpstate {
 
     struct DumpOptions;
 
+    /**
+     * Pre-dump critical UI data, e.g. data stored in short ring buffers that might get lost
+     * by the time the actual bugreport is requested.
+     */
+    void PreDumpUiData();
+
     /*
      * Main entry point for running a complete bugreport.
      *
@@ -396,6 +408,8 @@ class Dumpstate {
         // TODO(b/148168577) get rid of the AIDL values, replace them with the HAL values instead.
         // The HAL is actually an API surface that can be validated, while the AIDL is not (@hide).
         BugreportMode bugreport_mode = Dumpstate::BugreportMode::BUGREPORT_DEFAULT;
+        // Will use data collected through a previous call to PreDumpUiData().
+        bool use_predumped_ui_data;
         // File descriptor to output zip file. Takes precedence over out_dir.
         android::base::unique_fd bugreport_fd;
         // File descriptor to screenshot file.
@@ -414,7 +428,8 @@ class Dumpstate {
         RunStatus Initialize(int argc, char* argv[]);
 
         /* Initializes options from the requested mode. */
-        void Initialize(BugreportMode bugreport_mode, const android::base::unique_fd& bugreport_fd,
+        void Initialize(BugreportMode bugreport_mode, int bugreport_flags,
+                        const android::base::unique_fd& bugreport_fd,
                         const android::base::unique_fd& screenshot_fd,
                         bool is_screenshot_requested);
 
@@ -535,10 +550,13 @@ class Dumpstate {
     RunStatus RunInternal(int32_t calling_uid, const std::string& calling_package);
 
     RunStatus DumpstateDefaultAfterCritical();
+    RunStatus dumpstate();
 
     void MaybeTakeEarlyScreenshot();
     void MaybeSnapshotSystemTrace();
-    void MaybeSnapshotWinTrace();
+    void MaybeSnapshotUiTraces();
+    void MaybePostProcessUiTraces();
+    void MaybeAddUiTracesToZip();
 
     void onUiIntensiveBugreportDumpsFinished(int32_t calling_uid);
 
diff --git a/cmds/dumpstate/main.cpp b/cmds/dumpstate/main.cpp
index ec89c0dd6e..a634f9371f 100644
--- a/cmds/dumpstate/main.cpp
+++ b/cmds/dumpstate/main.cpp
@@ -56,7 +56,7 @@ int main(int argc, char* argv[]) {
             MYLOGE("Unable to start 'dumpstate' service: %d", ret);
             exit(1);
         }
-        MYLOGI("'dumpstate' service started and will wait for a call to startBugreport()");
+        MYLOGI("'dumpstate' service started and will wait for a call");
 
         // Waits forever for an incoming connection.
         // TODO(b/111441001): should this time out?
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index 28e5ee2ca9..b091c8e297 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -497,14 +497,17 @@ TEST_F(DumpstateBinderTest, Baseline) {
     // Prepare arguments
     unique_fd bugreport_fd(OpenForWrite("/bugreports/tmp.zip"));
     unique_fd screenshot_fd(OpenForWrite("/bugreports/tmp.png"));
+    int flags = 0;
 
     EXPECT_NE(bugreport_fd.get(), -1);
     EXPECT_NE(screenshot_fd.get(), -1);
 
     sp<DumpstateListener> listener(new DumpstateListener(dup(fileno(stdout))));
     android::binder::Status status =
-        ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
-                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener, true);
+        ds_binder->startBugreport(123, "com.example.package", std::move(bugreport_fd),
+                                  std::move(screenshot_fd),
+                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, flags, listener,
+                                  true);
     // startBugreport is an async call. Verify binder call succeeded first, then wait till listener
     // gets expected callbacks.
     EXPECT_TRUE(status.isOk());
@@ -532,6 +535,7 @@ TEST_F(DumpstateBinderTest, ServiceDies_OnInvalidInput) {
     // Prepare arguments
     unique_fd bugreport_fd(OpenForWrite("/data/local/tmp/tmp.zip"));
     unique_fd screenshot_fd(OpenForWrite("/data/local/tmp/tmp.png"));
+    int flags = 0;
 
     EXPECT_NE(bugreport_fd.get(), -1);
     EXPECT_NE(screenshot_fd.get(), -1);
@@ -539,9 +543,9 @@ TEST_F(DumpstateBinderTest, ServiceDies_OnInvalidInput) {
     // Call startBugreport with bad arguments.
     sp<DumpstateListener> listener(new DumpstateListener(dup(fileno(stdout))));
     android::binder::Status status =
-        ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
-                                  2000,  // invalid bugreport mode
-                                  listener, false);
+        ds_binder->startBugreport(123, "com.example.package", std::move(bugreport_fd),
+                                  std::move(screenshot_fd), 2000,  // invalid bugreport mode
+                                  flags, listener, false);
     EXPECT_EQ(listener->getErrorCode(), IDumpstateListener::BUGREPORT_ERROR_INVALID_INPUT);
 
     // The service should have died, freeing itself up for a new invocation.
@@ -563,6 +567,7 @@ TEST_F(DumpstateBinderTest, SimultaneousBugreportsNotAllowed) {
     unique_fd bugreport_fd2(dup(bugreport_fd.get()));
     unique_fd screenshot_fd(OpenForWrite("/data/local/tmp/tmp.png"));
     unique_fd screenshot_fd2(dup(screenshot_fd.get()));
+    int flags = 0;
 
     EXPECT_NE(bugreport_fd.get(), -1);
     EXPECT_NE(bugreport_fd2.get(), -1);
@@ -571,14 +576,18 @@ TEST_F(DumpstateBinderTest, SimultaneousBugreportsNotAllowed) {
 
     sp<DumpstateListener> listener1(new DumpstateListener(dup(fileno(stdout))));
     android::binder::Status status =
-        ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
-                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener1, true);
+        ds_binder->startBugreport(123, "com.example.package", std::move(bugreport_fd),
+                                  std::move(screenshot_fd),
+                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, flags, listener1,
+                                  true);
     EXPECT_TRUE(status.isOk());
 
     // try to make another call to startBugreport. This should fail.
     sp<DumpstateListener> listener2(new DumpstateListener(dup(fileno(stdout))));
-    status = ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd2), std::move(screenshot_fd2),
-                                       Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener2, true);
+    status = ds_binder->startBugreport(123, "com.example.package", std::move(bugreport_fd2),
+                                        std::move(screenshot_fd2),
+                                       Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, flags,
+                                       listener2, true);
     EXPECT_FALSE(status.isOk());
     WaitTillExecutionComplete(listener2.get());
     EXPECT_EQ(listener2->getErrorCode(),
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index 70b4e5c0d8..1ffcafa544 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -31,6 +31,7 @@
 #include <signal.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <filesystem>
 #include <thread>
 
 #include <aidl/android/hardware/dumpstate/IDumpstateDevice.h>
@@ -237,7 +238,7 @@ TEST_F(DumpOptionsTest, InitializeAdbShellBugreport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeFullBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_FULL, fd, fd, true);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_FULL, 0, fd, fd, true);
     EXPECT_TRUE(options_.do_screenshot);
 
     // Other options retain default values
@@ -251,7 +252,7 @@ TEST_F(DumpOptionsTest, InitializeFullBugReport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeInteractiveBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, fd, fd, true);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, 0, fd, fd, true);
     EXPECT_TRUE(options_.do_progress_updates);
     EXPECT_TRUE(options_.do_screenshot);
 
@@ -265,7 +266,7 @@ TEST_F(DumpOptionsTest, InitializeInteractiveBugReport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeRemoteBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_REMOTE, fd, fd, false);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_REMOTE, 0, fd, fd, false);
     EXPECT_TRUE(options_.is_remote_mode);
     EXPECT_FALSE(options_.do_vibrate);
     EXPECT_FALSE(options_.do_screenshot);
@@ -279,7 +280,7 @@ TEST_F(DumpOptionsTest, InitializeRemoteBugReport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeWearBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WEAR, fd, fd, true);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WEAR, 0, fd, fd, true);
     EXPECT_TRUE(options_.do_screenshot);
     EXPECT_TRUE(options_.do_progress_updates);
 
@@ -294,7 +295,7 @@ TEST_F(DumpOptionsTest, InitializeWearBugReport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeTelephonyBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_TELEPHONY, fd, fd, false);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_TELEPHONY, 0, fd, fd, false);
     EXPECT_FALSE(options_.do_screenshot);
     EXPECT_TRUE(options_.telephony_only);
     EXPECT_TRUE(options_.do_progress_updates);
@@ -309,7 +310,7 @@ TEST_F(DumpOptionsTest, InitializeTelephonyBugReport) {
 }
 
 TEST_F(DumpOptionsTest, InitializeWifiBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WIFI, fd, fd, false);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WIFI, 0, fd, fd, false);
     EXPECT_FALSE(options_.do_screenshot);
     EXPECT_TRUE(options_.wifi_only);
 
@@ -982,6 +983,19 @@ TEST_F(DumpstateTest, DumpPool_withParallelRunDisabled_isNull) {
     EXPECT_FALSE(ds.dump_pool_);
 }
 
+TEST_F(DumpstateBaseTest, PreDumpUiData) {
+    // SurfaceFlinger's transactions trace is always enabled, i.e. it is always pre-dumped
+    static const auto kTransactionsTrace =
+            std::filesystem::path {"/data/misc/wmtrace/transactions_trace.winscope"};
+
+    std::system(("rm " + kTransactionsTrace.string()).c_str());
+    EXPECT_FALSE(std::filesystem::exists(kTransactionsTrace));
+
+    Dumpstate& ds_ = Dumpstate::GetInstance();
+    ds_.PreDumpUiData();
+    EXPECT_TRUE(std::filesystem::exists(kTransactionsTrace));
+}
+
 class ZippedBugReportStreamTest : public DumpstateBaseTest {
   public:
     void SetUp() {
@@ -1045,11 +1059,6 @@ TEST_F(ZippedBugReportStreamTest, StreamLimitedOnlyReport) {
     VerifyEntry(handle_, bugreport_txt_name, &entry);
 }
 
-class DumpstateServiceTest : public DumpstateBaseTest {
-  public:
-    DumpstateService dss;
-};
-
 class ProgressTest : public DumpstateBaseTest {
   public:
     Progress GetInstance(int32_t max, double growth_factor, const std::string& path = "") {
diff --git a/cmds/flatland/GLHelper.cpp b/cmds/flatland/GLHelper.cpp
index 01f7d30a42..c163095c50 100644
--- a/cmds/flatland/GLHelper.cpp
+++ b/cmds/flatland/GLHelper.cpp
@@ -35,9 +35,12 @@ GLHelper::GLHelper() :
 GLHelper::~GLHelper() {
 }
 
-bool GLHelper::setUp(const ShaderDesc* shaderDescs, size_t numShaders) {
+bool GLHelper::setUp(const sp<IBinder>& displayToken, const ShaderDesc* shaderDescs,
+                     size_t numShaders) {
     bool result;
 
+    mDisplayToken = displayToken;
+
     mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     if (mDisplay == EGL_NO_DISPLAY) {
         fprintf(stderr, "eglGetDisplay error: %#x\n", eglGetError());
@@ -221,14 +224,8 @@ bool GLHelper::createNamedSurfaceTexture(GLuint name, uint32_t w, uint32_t h,
 }
 
 bool GLHelper::computeWindowScale(uint32_t w, uint32_t h, float* scale) {
-    const sp<IBinder> dpy = mSurfaceComposerClient->getInternalDisplayToken();
-    if (dpy == nullptr) {
-        fprintf(stderr, "SurfaceComposer::getInternalDisplayToken failed.\n");
-        return false;
-    }
-
     ui::DisplayMode mode;
-    status_t err = mSurfaceComposerClient->getActiveDisplayMode(dpy, &mode);
+    status_t err = mSurfaceComposerClient->getActiveDisplayMode(mDisplayToken, &mode);
     if (err != NO_ERROR) {
         fprintf(stderr, "SurfaceComposer::getActiveDisplayMode failed: %#x\n", err);
         return false;
diff --git a/cmds/flatland/GLHelper.h b/cmds/flatland/GLHelper.h
index d09463a9b8..5194f5084f 100644
--- a/cmds/flatland/GLHelper.h
+++ b/cmds/flatland/GLHelper.h
@@ -44,7 +44,7 @@ public:
 
     ~GLHelper();
 
-    bool setUp(const ShaderDesc* shaderDescs, size_t numShaders);
+    bool setUp(const sp<IBinder>& displayToken, const ShaderDesc* shaderDescs, size_t numShaders);
 
     void tearDown();
 
@@ -87,6 +87,8 @@ private:
     size_t mNumShaders;
 
     GLuint mDitherTexture;
+
+    sp<IBinder> mDisplayToken;
 };
 
 } // namespace android
diff --git a/cmds/flatland/Main.cpp b/cmds/flatland/Main.cpp
index 7ceb397032..6d14d568a4 100644
--- a/cmds/flatland/Main.cpp
+++ b/cmds/flatland/Main.cpp
@@ -20,6 +20,7 @@
 #include <gui/SurfaceControl.h>
 #include <gui/GLConsumer.h>
 #include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
 #include <ui/Fence.h>
 #include <utils/Trace.h>
 
@@ -34,9 +35,10 @@
 
 using namespace ::android;
 
-static uint32_t g_SleepBetweenSamplesMs = 0;
-static bool     g_PresentToWindow       = false;
-static size_t   g_BenchmarkNameLen      = 0;
+static uint32_t    g_SleepBetweenSamplesMs = 0;
+static bool        g_PresentToWindow       = false;
+static size_t      g_BenchmarkNameLen      = 0;
+static sp<IBinder> g_DisplayToken          = nullptr;
 
 struct BenchmarkDesc {
     // The name of the test.
@@ -393,7 +395,7 @@ public:
         uint32_t h = mDesc.runHeights[mInstance];
 
         mGLHelper = new GLHelper();
-        result = mGLHelper->setUp(shaders, NELEMS(shaders));
+        result = mGLHelper->setUp(g_DisplayToken, shaders, NELEMS(shaders));
         if (!result) {
             return false;
         }
@@ -718,13 +720,17 @@ static size_t maxBenchmarkNameLen() {
 }
 
 // Print the command usage help to stderr.
-static void showHelp(const char *cmd) {
-    fprintf(stderr, "usage: %s [options]\n", cmd);
-    fprintf(stderr, "options include:\n"
-                    "  -s N            sleep for N ms between samples\n"
-                    "  -d              display the test frame to a window\n"
-                    "  --help          print this helpful message and exit\n"
-            );
+static void showHelp(const char* cmd) {
+  fprintf(stderr, "usage: %s [options]\n", cmd);
+  fprintf(
+      stderr,
+      "options include:\n"
+      "  -s N            sleep for N ms between samples\n"
+      "  -d              display the test frame to a window\n"
+      "  -i display-id   specify a display ID to use for multi-display device\n"
+      "                  see \"dumpsys SurfaceFlinger --display-id\" for valid "
+      "display IDs\n"
+      "  --help          print this helpful message and exit\n");
 }
 
 int main(int argc, char** argv) {
@@ -733,6 +739,14 @@ int main(int argc, char** argv) {
         exit(0);
     }
 
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    if (ids.empty()) {
+        fprintf(stderr, "Failed to get ID for any displays.\n");
+        exit(3);
+    }
+
+    std::optional<PhysicalDisplayId> displayId;
+
     for (;;) {
         int ret;
         int option_index = 0;
@@ -741,7 +755,7 @@ int main(int argc, char** argv) {
             {     0,               0, 0,  0 }
         };
 
-        ret = getopt_long(argc, argv, "ds:",
+        ret = getopt_long(argc, argv, "ds:i:",
                           long_options, &option_index);
 
         if (ret < 0) {
@@ -757,6 +771,14 @@ int main(int argc, char** argv) {
                 g_SleepBetweenSamplesMs = atoi(optarg);
             break;
 
+            case 'i':
+                displayId = DisplayId::fromValue<PhysicalDisplayId>(atoll(optarg));
+                if (!displayId) {
+                    fprintf(stderr, "Invalid display ID: %s.\n", optarg);
+                    exit(4);
+                }
+            break;
+
             case 0:
                 if (strcmp(long_options[option_index].name, "help")) {
                     showHelp(argv[0]);
@@ -770,6 +792,22 @@ int main(int argc, char** argv) {
         }
     }
 
+    if (!displayId) { // no display id is specified
+        if (ids.size() == 1) {
+            displayId = ids.front();
+        } else {
+            fprintf(stderr, "Please specify a display ID for multi-display device.\n");
+            showHelp(argv[0]);
+            exit(5);
+        }
+    }
+
+    g_DisplayToken = SurfaceComposerClient::getPhysicalDisplayToken(*displayId);
+    if (g_DisplayToken == nullptr) {
+        fprintf(stderr, "SurfaceComposer::getPhysicalDisplayToken failed.\n");
+        exit(6);
+    }
+
     g_BenchmarkNameLen = maxBenchmarkNameLen();
 
     printf(" cmdline:");
@@ -782,4 +820,6 @@ int main(int argc, char** argv) {
         fprintf(stderr, "exiting due to error.\n");
         return 1;
     }
+
+    return 0;
 }
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index b1283eb4a7..bb6639e1a8 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -501,10 +501,6 @@ static int prepare_app_cache_dir(const std::string& parent, const char* name, mo
 }
 
 static bool prepare_app_profile_dir(const std::string& packageName, int32_t appId, int32_t userId) {
-    if (!property_get_bool("dalvik.vm.usejitprofiles", false)) {
-        return true;
-    }
-
     int32_t uid = multiuser_get_uid(userId, appId);
     int shared_app_gid = multiuser_get_shared_gid(userId, appId);
     if (shared_app_gid == -1) {
diff --git a/cmds/surfacereplayer/Android.bp b/cmds/surfacereplayer/Android.bp
deleted file mode 100644
index 34fc8b10ea..0000000000
--- a/cmds/surfacereplayer/Android.bp
+++ /dev/null
@@ -1,13 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_native_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_native_license"],
-}
-
-subdirs = [
-    "proto",
-    "replayer",
-]
diff --git a/cmds/surfacereplayer/OWNERS b/cmds/surfacereplayer/OWNERS
deleted file mode 100644
index 32bcc83468..0000000000
--- a/cmds/surfacereplayer/OWNERS
+++ /dev/null
@@ -1 +0,0 @@
-include platform/frameworks/native:/services/surfaceflinger/OWNERS
diff --git a/cmds/surfacereplayer/proto/Android.bp b/cmds/surfacereplayer/proto/Android.bp
deleted file mode 100644
index 23b54ee5b0..0000000000
--- a/cmds/surfacereplayer/proto/Android.bp
+++ /dev/null
@@ -1,23 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_native_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_native_license"],
-}
-
-cc_library_static {
-    name: "libtrace_proto",
-    srcs: [
-        "src/trace.proto",
-    ],
-    cflags: [
-        "-Wall",
-        "-Werror",
-    ],
-    proto: {
-        type: "lite",
-        export_proto_headers: true,
-    },
-}
diff --git a/cmds/surfacereplayer/proto/src/trace.proto b/cmds/surfacereplayer/proto/src/trace.proto
deleted file mode 100644
index a177027e5c..0000000000
--- a/cmds/surfacereplayer/proto/src/trace.proto
+++ /dev/null
@@ -1,225 +0,0 @@
-syntax = "proto2";
-option optimize_for = LITE_RUNTIME;
-package android.surfaceflinger;
-
-message Trace {
-    repeated Increment increment = 1;
-}
-
-message Increment {
-    required int64 time_stamp = 1;
-
-    oneof increment {
-        Transaction        transaction          = 2;
-        SurfaceCreation    surface_creation     = 3;
-        SurfaceDeletion    surface_deletion     = 4;
-        BufferUpdate       buffer_update        = 5;
-        VSyncEvent         vsync_event          = 6;
-        DisplayCreation    display_creation     = 7;
-        DisplayDeletion    display_deletion     = 8;
-        PowerModeUpdate    power_mode_update    = 9;
-    }
-}
-
-message Transaction {
-    repeated SurfaceChange surface_change = 1;
-    repeated DisplayChange display_change = 2;
-
-    required bool   synchronous      = 3;
-    required bool   animation        = 4;
-    optional Origin origin           = 5;
-    optional uint64 id               = 6;
-}
-
-message SurfaceChange {
-    required int32 id = 1;
-    reserved 7;
-    oneof SurfaceChange {
-        PositionChange              position                = 2;
-        SizeChange                  size                    = 3;
-        AlphaChange                 alpha                   = 4;
-        LayerChange                 layer                   = 5;
-        CropChange                  crop                    = 6;
-        MatrixChange                matrix                  = 8;
-        TransparentRegionHintChange transparent_region_hint = 10;
-        LayerStackChange            layer_stack             = 11;
-        HiddenFlagChange            hidden_flag             = 12;
-        OpaqueFlagChange            opaque_flag             = 13;
-        SecureFlagChange            secure_flag             = 14;
-        CornerRadiusChange          corner_radius           = 16;
-        ReparentChange              reparent                = 17;
-        RelativeParentChange        relative_parent         = 18;
-        BackgroundBlurRadiusChange  background_blur_radius  = 20;
-        ShadowRadiusChange          shadow_radius           = 21;
-        BlurRegionsChange           blur_regions            = 22;
-        TrustedOverlayChange        trusted_overlay         = 23;
-    }
-}
-
-message PositionChange {
-    required float x = 1;
-    required float y = 2;
-}
-
-message SizeChange {
-    required uint32 w = 1;
-    required uint32 h = 2;
-}
-
-message AlphaChange {
-    required float alpha = 1;
-}
-
-message CornerRadiusChange {
-    required float corner_radius = 1;
-}
-
-message BackgroundBlurRadiusChange {
-    required float background_blur_radius = 1;
-}
-
-message LayerChange {
-    required uint32 layer = 1;
-}
-
-message CropChange {
-    required Rectangle rectangle = 1;
-}
-
-message MatrixChange {
-    required float dsdx = 1;
-    required float dtdx = 2;
-    required float dsdy = 3;
-    required float dtdy = 4;
-}
-
-message TransparentRegionHintChange {
-    repeated Rectangle region = 1;
-}
-
-message LayerStackChange {
-    required uint32 layer_stack = 1;
-}
-
-message DisplayFlagsChange {
-    required uint32 flags = 1;
-}
-
-message HiddenFlagChange {
-    required bool hidden_flag = 1;
-}
-
-message OpaqueFlagChange {
-    required bool opaque_flag = 1;
-}
-
-message SecureFlagChange {
-    required bool secure_flag = 1;
-}
-
-message DisplayChange {
-    required int32 id = 1;
-
-    oneof DisplayChange {
-        DispSurfaceChange surface     = 2;
-        LayerStackChange  layer_stack = 3;
-        SizeChange        size        = 4;
-        ProjectionChange  projection  = 5;
-        DisplayFlagsChange flags      = 6;
-    }
-}
-
-message DispSurfaceChange {
-    required uint64 buffer_queue_id   = 1;
-    required string buffer_queue_name = 2;
-}
-
-message ProjectionChange {
-    required int32     orientation = 1;
-    required Rectangle viewport    = 2;
-    required Rectangle frame       = 3;
-}
-
-message Rectangle {
-    required int32 left   = 1;
-    required int32 top    = 2;
-    required int32 right  = 3;
-    required int32 bottom = 4;
-}
-
-message SurfaceCreation {
-    required int32  id   = 1;
-    required string name = 2;
-    required uint32 w    = 3;
-    required uint32 h    = 4;
-}
-
-message SurfaceDeletion {
-    required int32 id = 1;
-}
-
-message BufferUpdate {
-    required int32  id           = 1;
-    required uint32 w            = 2;
-    required uint32 h            = 3;
-    required uint64 frame_number = 4;
-}
-
-message VSyncEvent {
-    required int64 when = 1;
-}
-
-message DisplayCreation {
-    required int32     id                = 1;
-    required string    name              = 2;
-    optional uint64    display_id        = 3;
-    required bool      is_secure         = 4;
-}
-
-message DisplayDeletion {
-    required int32 id = 1;
-}
-
-message PowerModeUpdate {
-    required int32  id   = 1;
-    required int32  mode = 2;
-}
-
-message ReparentChange {
-    required int32 parent_id = 1;
-}
-
-message RelativeParentChange {
-    required int32 relative_parent_id = 1;
-    required int32 z = 2;
-}
-
-message ShadowRadiusChange {
-    required float radius = 1;
-}
-
-message TrustedOverlayChange {
-    required float is_trusted_overlay = 1;
-}
-
-message BlurRegionsChange {
-    repeated BlurRegionChange blur_regions = 1;
-}
-
-message BlurRegionChange {
-    required uint32 blur_radius = 1;
-    required float corner_radius_tl = 2;
-    required float corner_radius_tr = 3;
-    required float corner_radius_bl = 4;
-    required float corner_radius_br = 5;
-    required float alpha = 6;
-    required int32 left = 7;
-    required int32 top = 8;
-    required int32 right = 9;
-    required int32 bottom = 10;
-}
-
-message Origin {
-    required int32 pid = 1;
-    required int32 uid = 2;
-}
diff --git a/cmds/surfacereplayer/replayer/Android.bp b/cmds/surfacereplayer/replayer/Android.bp
deleted file mode 100644
index 3985230f08..0000000000
--- a/cmds/surfacereplayer/replayer/Android.bp
+++ /dev/null
@@ -1,71 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_native_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_native_license"],
-}
-
-cc_library_shared {
-    name: "libsurfacereplayer",
-    srcs: [
-        "BufferQueueScheduler.cpp",
-        "Event.cpp",
-        "Replayer.cpp",
-    ],
-    cppflags: [
-        "-Werror",
-        "-Wno-unused-parameter",
-        "-Wno-format",
-	"-Wno-c++98-compat-pedantic",
-	"-Wno-float-conversion",
-	"-Wno-disabled-macro-expansion",
-	"-Wno-float-equal",
-	"-Wno-sign-conversion",
-	"-Wno-padded",
-    ],
-    static_libs: [
-        "libtrace_proto",
-    ],
-    shared_libs: [
-        "libEGL",
-        "libGLESv2",
-        "libbinder",
-        "liblog",
-        "libcutils",
-        "libgui",
-        "libui",
-        "libutils",
-        "libprotobuf-cpp-lite",
-        "libbase",
-        "libnativewindow",
-    ],
-    export_include_dirs: [
-        ".",
-    ],
-}
-
-cc_binary {
-    name: "surfacereplayer",
-    srcs: [
-        "Main.cpp",
-    ],
-    shared_libs: [
-        "libprotobuf-cpp-lite",
-        "libsurfacereplayer",
-        "libutils",
-        "libgui",
-    ],
-    static_libs: [
-        "libtrace_proto",
-    ],
-    cppflags: [
-        "-Werror",
-        "-Wno-unused-parameter",
-	"-Wno-c++98-compat-pedantic",
-	"-Wno-float-conversion",
-	"-Wno-disabled-macro-expansion",
-	"-Wno-float-equal",
-    ],
-}
diff --git a/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp b/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp
deleted file mode 100644
index 77de8dc44c..0000000000
--- a/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#define LOG_TAG "BufferQueueScheduler"
-
-#include "BufferQueueScheduler.h"
-
-#include <android/native_window.h>
-#include <gui/Surface.h>
-
-using namespace android;
-
-BufferQueueScheduler::BufferQueueScheduler(
-        const sp<SurfaceControl>& surfaceControl, const HSV& color, int id)
-      : mSurfaceControl(surfaceControl), mColor(color), mSurfaceId(id), mContinueScheduling(true) {}
-
-void BufferQueueScheduler::startScheduling() {
-    ALOGV("Starting Scheduler for %d Layer", mSurfaceId);
-    std::unique_lock<std::mutex> lock(mMutex);
-    if (mSurfaceControl == nullptr) {
-        mCondition.wait(lock, [&] { return (mSurfaceControl != nullptr); });
-    }
-
-    while (mContinueScheduling) {
-        while (true) {
-            if (mBufferEvents.empty()) {
-                break;
-            }
-
-            BufferEvent event = mBufferEvents.front();
-            lock.unlock();
-
-            bufferUpdate(event.dimensions);
-            fillSurface(event.event);
-            mColor.modulate();
-            lock.lock();
-            mBufferEvents.pop();
-        }
-        mCondition.wait(lock);
-    }
-}
-
-void BufferQueueScheduler::addEvent(const BufferEvent& event) {
-    std::lock_guard<std::mutex> lock(mMutex);
-    mBufferEvents.push(event);
-    mCondition.notify_one();
-}
-
-void BufferQueueScheduler::stopScheduling() {
-    std::lock_guard<std::mutex> lock(mMutex);
-    mContinueScheduling = false;
-    mCondition.notify_one();
-}
-
-void BufferQueueScheduler::setSurfaceControl(
-        const sp<SurfaceControl>& surfaceControl, const HSV& color) {
-    std::lock_guard<std::mutex> lock(mMutex);
-    mSurfaceControl = surfaceControl;
-    mColor = color;
-    mCondition.notify_one();
-}
-
-void BufferQueueScheduler::bufferUpdate(const Dimensions& dimensions) {
-    sp<Surface> s = mSurfaceControl->getSurface();
-    s->setBuffersDimensions(dimensions.width, dimensions.height);
-}
-
-void BufferQueueScheduler::fillSurface(const std::shared_ptr<Event>& event) {
-    ANativeWindow_Buffer outBuffer;
-    sp<Surface> s = mSurfaceControl->getSurface();
-
-    status_t status = s->lock(&outBuffer, nullptr);
-
-    if (status != NO_ERROR) {
-        ALOGE("fillSurface: failed to lock buffer, (%d)", status);
-        return;
-    }
-
-    auto color = mColor.getRGB();
-
-    auto img = reinterpret_cast<uint8_t*>(outBuffer.bits);
-    for (int y = 0; y < outBuffer.height; y++) {
-        for (int x = 0; x < outBuffer.width; x++) {
-            uint8_t* pixel = img + (4 * (y * outBuffer.stride + x));
-            pixel[0] = color.r;
-            pixel[1] = color.g;
-            pixel[2] = color.b;
-            pixel[3] = LAYER_ALPHA;
-        }
-    }
-
-    event->readyToExecute();
-
-    status = s->unlockAndPost();
-
-    ALOGE_IF(status != NO_ERROR, "fillSurface: failed to unlock and post buffer, (%d)", status);
-}
diff --git a/cmds/surfacereplayer/replayer/BufferQueueScheduler.h b/cmds/surfacereplayer/replayer/BufferQueueScheduler.h
deleted file mode 100644
index cb20fcc798..0000000000
--- a/cmds/surfacereplayer/replayer/BufferQueueScheduler.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SURFACEREPLAYER_BUFFERQUEUESCHEDULER_H
-#define ANDROID_SURFACEREPLAYER_BUFFERQUEUESCHEDULER_H
-
-#include "Color.h"
-#include "Event.h"
-
-#include <gui/SurfaceControl.h>
-
-#include <utils/StrongPointer.h>
-
-#include <atomic>
-#include <condition_variable>
-#include <mutex>
-#include <queue>
-#include <utility>
-
-namespace android {
-
-auto constexpr LAYER_ALPHA = 190;
-
-struct Dimensions {
-    Dimensions() = default;
-    Dimensions(int w, int h) : width(w), height(h) {}
-
-    int width = 0;
-    int height = 0;
-};
-
-struct BufferEvent {
-    BufferEvent() = default;
-    BufferEvent(std::shared_ptr<Event> e, Dimensions d) : event(e), dimensions(d) {}
-
-    std::shared_ptr<Event> event;
-    Dimensions dimensions;
-};
-
-class BufferQueueScheduler {
-  public:
-    BufferQueueScheduler(const sp<SurfaceControl>& surfaceControl, const HSV& color, int id);
-
-    void startScheduling();
-    void addEvent(const BufferEvent&);
-    void stopScheduling();
-
-    void setSurfaceControl(const sp<SurfaceControl>& surfaceControl, const HSV& color);
-
-  private:
-    void bufferUpdate(const Dimensions& dimensions);
-
-    // Lock and fill the surface, block until the event is signaled by the main loop,
-    // then unlock and post the buffer.
-    void fillSurface(const std::shared_ptr<Event>& event);
-
-    sp<SurfaceControl> mSurfaceControl;
-    HSV mColor;
-    const int mSurfaceId;
-
-    bool mContinueScheduling;
-
-    std::queue<BufferEvent> mBufferEvents;
-    std::mutex mMutex;
-    std::condition_variable mCondition;
-};
-
-}  // namespace android
-#endif
diff --git a/cmds/surfacereplayer/replayer/Color.h b/cmds/surfacereplayer/replayer/Color.h
deleted file mode 100644
index ce644be7be..0000000000
--- a/cmds/surfacereplayer/replayer/Color.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SURFACEREPLAYER_COLOR_H
-#define ANDROID_SURFACEREPLAYER_COLOR_H
-
-#include <cmath>
-#include <cstdlib>
-
-namespace android {
-
-constexpr double modulateFactor = .0001;
-constexpr double modulateLimit = .80;
-
-struct RGB {
-    RGB(uint8_t rIn, uint8_t gIn, uint8_t bIn) : r(rIn), g(gIn), b(bIn) {}
-
-    uint8_t r = 0;
-    uint8_t g = 0;
-    uint8_t b = 0;
-};
-
-struct HSV {
-    HSV() = default;
-    HSV(double hIn, double sIn, double vIn) : h(hIn), s(sIn), v(vIn) {}
-
-    double h = 0;
-    double s = 0;
-    double v = 0;
-
-    RGB getRGB() const;
-
-    bool modulateUp = false;
-
-    void modulate();
-};
-
-void inline HSV::modulate() {
-    if(modulateUp) {
-        v += modulateFactor;
-    } else {
-        v -= modulateFactor;
-    }
-
-    if(v <= modulateLimit || v >= 1) {
-        modulateUp = !modulateUp;
-    }
-}
-
-inline RGB HSV::getRGB() const {
-    using namespace std;
-    double r = 0, g = 0, b = 0;
-
-    if (s == 0) {
-        r = v;
-        g = v;
-        b = v;
-    } else {
-        auto tempHue = static_cast<int>(h) % 360;
-        tempHue = tempHue / 60;
-
-        int i = static_cast<int>(trunc(tempHue));
-        double f = h - i;
-
-        double x = v * (1.0 - s);
-        double y = v * (1.0 - (s * f));
-        double z = v * (1.0 - (s * (1.0 - f)));
-
-        switch (i) {
-            case 0:
-                r = v;
-                g = z;
-                b = x;
-                break;
-
-            case 1:
-                r = y;
-                g = v;
-                b = x;
-                break;
-
-            case 2:
-                r = x;
-                g = v;
-                b = z;
-                break;
-
-            case 3:
-                r = x;
-                g = y;
-                b = v;
-                break;
-
-            case 4:
-                r = z;
-                g = x;
-                b = v;
-                break;
-
-            default:
-                r = v;
-                g = x;
-                b = y;
-                break;
-        }
-    }
-
-    return RGB(round(r * 255), round(g * 255), round(b * 255));
-}
-}
-#endif
diff --git a/cmds/surfacereplayer/replayer/Event.cpp b/cmds/surfacereplayer/replayer/Event.cpp
deleted file mode 100644
index 64db5f07b1..0000000000
--- a/cmds/surfacereplayer/replayer/Event.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "Event.h"
-
-using namespace android;
-using Increment = surfaceflinger::Increment;
-
-Event::Event(Increment::IncrementCase type) : mIncrementType(type) {}
-
-void Event::readyToExecute() {
-    changeState(Event::EventState::Waiting);
-    waitUntil(Event::EventState::Signaled);
-    changeState(Event::EventState::Running);
-}
-
-void Event::complete() {
-    waitUntil(Event::EventState::Waiting);
-    changeState(Event::EventState::Signaled);
-    waitUntil(Event::EventState::Running);
-}
-
-void Event::waitUntil(Event::EventState state) {
-    std::unique_lock<std::mutex> lock(mLock);
-    mCond.wait(lock, [this, state] { return (mState == state); });
-}
-
-void Event::changeState(Event::EventState state) {
-    std::unique_lock<std::mutex> lock(mLock);
-    mState = state;
-    lock.unlock();
-
-    mCond.notify_one();
-}
-
-Increment::IncrementCase Event::getIncrementType() {
-    return mIncrementType;
-}
diff --git a/cmds/surfacereplayer/replayer/Event.h b/cmds/surfacereplayer/replayer/Event.h
deleted file mode 100644
index 09a7c248d5..0000000000
--- a/cmds/surfacereplayer/replayer/Event.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SURFACEREPLAYER_EVENT_H
-#define ANDROID_SURFACEREPLAYER_EVENT_H
-
-#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
-
-#include <condition_variable>
-#include <mutex>
-
-namespace android {
-
-using Increment = surfaceflinger::Increment;
-
-class Event {
-  public:
-    Event(Increment::IncrementCase);
-
-    enum class EventState {
-        SettingUp,  // Completing as much time-independent work as possible
-        Waiting,    // Waiting for signal from main thread to finish execution
-        Signaled,   // Signaled by main thread, about to immediately switch to Running
-        Running     // Finishing execution of rest of work
-    };
-
-    void readyToExecute();
-    void complete();
-
-    Increment::IncrementCase getIncrementType();
-
-  private:
-    void waitUntil(EventState state);
-    void changeState(EventState state);
-
-    std::mutex mLock;
-    std::condition_variable mCond;
-
-    EventState mState = EventState::SettingUp;
-
-    Increment::IncrementCase mIncrementType;
-};
-}
-#endif
diff --git a/cmds/surfacereplayer/replayer/Main.cpp b/cmds/surfacereplayer/replayer/Main.cpp
deleted file mode 100644
index fbfcacf1aa..0000000000
--- a/cmds/surfacereplayer/replayer/Main.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Replayer - Main.cpp
- *
- * 1. Get flags from command line
- * 2. Commit actions or settings based on the flags
- * 3. Initalize a replayer object with the filename passed in
- * 4. Replay
- * 5. Exit successfully or print error statement
- */
-
-#include <Replayer.h>
-
-#include <csignal>
-#include <iostream>
-#include <stdlib.h>
-#include <unistd.h>
-
-using namespace android;
-
-void printHelpMenu() {
-    std::cout << "SurfaceReplayer options:\n";
-    std::cout << "Usage: surfacereplayer [OPTIONS...] <TRACE FILE>\n";
-    std::cout << "  File path must be absolute" << std::endl << std::endl;
-
-    std::cout << "  -m  Stops the replayer at the start of the trace and switches ";
-                 "to manual replay\n";
-
-    std::cout << "\n  -t [Number of Threads]  Specifies the number of threads to be used while "
-                 "replaying (default is " << android::DEFAULT_THREADS << ")\n";
-
-    std::cout << "\n  -s [Timestamp]  Specify at what timestamp should the replayer switch "
-                 "to manual replay\n";
-
-    std::cout << "  -n  Ignore timestamps and run through trace as fast as possible\n";
-
-    std::cout << "  -l  Indefinitely loop the replayer\n";
-
-    std::cout << "  -h  Display help menu\n";
-
-    std::cout << std::endl;
-}
-
-int main(int argc, char** argv) {
-    std::string filename;
-    bool loop = false;
-    bool wait = true;
-    bool pauseBeginning = false;
-    int numThreads = DEFAULT_THREADS;
-    long stopHere = -1;
-
-    int opt = 0;
-    while ((opt = getopt(argc, argv, "mt:s:nlh?")) != -1) {
-        switch (opt) {
-            case 'm':
-                pauseBeginning = true;
-                break;
-            case 't':
-                numThreads = atoi(optarg);
-                break;
-            case 's':
-                stopHere = atol(optarg);
-                break;
-            case 'n':
-                wait = false;
-                break;
-            case 'l':
-                loop = true;
-                break;
-            case 'h':
-            case '?':
-                printHelpMenu();
-                exit(0);
-            default:
-                std::cerr << "Invalid argument...exiting" << std::endl;
-                printHelpMenu();
-                exit(0);
-        }
-    }
-
-    char** input = argv + optind;
-    if (input[0] == nullptr) {
-        std::cerr << "No trace file provided...exiting" << std::endl;
-        abort();
-    }
-    filename.assign(input[0]);
-
-    status_t status = NO_ERROR;
-    do {
-        android::Replayer r(filename, pauseBeginning, numThreads, wait, stopHere);
-        status = r.replay();
-    } while(loop);
-
-    if (status == NO_ERROR) {
-        std::cout << "Successfully finished replaying trace" << std::endl;
-    } else {
-        std::cerr << "Trace replayer returned error: " << status << std::endl;
-    }
-
-    return 0;
-}
diff --git a/cmds/surfacereplayer/replayer/README.md b/cmds/surfacereplayer/replayer/README.md
deleted file mode 100644
index 893f0dc0f6..0000000000
--- a/cmds/surfacereplayer/replayer/README.md
+++ /dev/null
@@ -1,262 +0,0 @@
-SurfaceReplayer Documentation
-===================
-
-[go/SurfaceReplayer](go/SurfaceReplayer)
-
-SurfaceReplayer is a playback mechanism that allows the replaying of traces recorded by
-[SurfaceInterceptor](go/SurfaceInterceptor) from SurfaceFlinger. It specifically replays
-
-* Creation and deletion of surfaces/displays
-* Alterations to the surfaces/displays called Transactions
-* Buffer Updates to surfaces
-* VSync events
-
-At their specified times to be as close to the original trace.
-
-Usage
---------
-
-###Creating a trace
-
-SurfaceInterceptor is the mechanism used to create traces. The device needs to be rooted in order to
-utilize it. To allow it to write to the device, run
-
-`setenforce 0`
-
-To start recording a trace, run
-
-`service call SurfaceFlinger 1020 i32 1`
-
-To stop recording, run
-
-`service call SurfaceFlinger 1020 i32 0`
-
-The default location for the trace is `/data/SurfaceTrace.dat`
-
-###Executable
-
-To replay a specific trace, execute
-
-`/data/local/tmp/surfacereplayer /absolute/path/to/trace`
-
-inside the android shell. This will replay the full trace and then exit. Running this command
-outside of the shell by prepending `adb shell` will not allow for manual control and will not turn
-off VSync injections if it interrupted in any way other than fully replaying the trace
-
-The replay will not fill surfaces with their contents during the capture. Rather they are given a
-random color which will be the same every time the trace is replayed. Surfaces modulate their color
-at buffer updates.
-
-**Options:**
-
-- -m    pause the replayer at the start of the trace for manual replay
-- -t [Number of Threads] uses specified number of threads to queue up actions (default is 3)
-- -s [Timestamp] switches to manual replay at specified timestamp
-- -n    Ignore timestamps and run through trace as fast as possible
-- -l    Indefinitely loop the replayer
-- -h    displays help menu
-
-**Manual Replay:**
-When replaying, if the user presses CTRL-C, the replay will stop and can be manually controlled
-by the user. Pressing CTRL-C again will exit the replayer.
-
-Manual replaying is similar to debugging in gdb. A prompt is presented and the user is able to
-input commands to choose how to proceed by hitting enter after inputting a command. Pressing enter
-without inputting a command repeats the previous command.
-
-- n  - steps the replayer to the next VSync event
-- ni - steps the replayer to the next increment
-- c  - continues normal replaying
-- c [milliseconds] - continue until specified number of milliseconds have passed
-- s [timestamp]    - continue and stop at specified timestamp
-- l  - list out timestamp of current increment
-- h  - displays help menu
-
-###Shared Library
-
-To use the shared library include these shared libraries
-
-`libsurfacereplayer`
-`libprotobuf-cpp-full`
-`libutils`
-
-And the static library
-
-`libtrace_proto`
-
-Include the replayer header at the top of your file
-
-`#include <replayer/Replayer.h>`
-
-There are two constructors for the replayer
-
-`Replayer(std::string& filename, bool replayManually, int numThreads, bool wait, nsecs_t stopHere)`
-`Replayer(Trace& trace, ... ditto ...)`
-
-The first constructor takes in the filepath where the trace is located and loads in the trace
-object internally.
-- replayManually - **True**: if the replayer will immediately switch to manual replay at the start
-- numThreads - Number of worker threads the replayer will use.
-- wait - **False**: Replayer ignores waits in between increments
-- stopHere - Time stamp of where the replayer should run to then switch to manual replay
-
-The second constructor includes all of the same parameters but takes in a preloaded trace object.
-To use add
-
-`#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>`
-
-To your file
-
-After initializing the Replayer call
-
-    replayer.replay();
-
-And the trace will start replaying. Once the trace is finished replaying, the function will return.
-The layers that are visible at the end of the trace will remain on screen until the program
-terminates.
-
-
-**If VSyncs are broken after running the replayer** that means `enableVSyncInjections(false)` was
-never executed. This can be fixed by executing
-
-`service call SurfaceFlinger 23 i32 0`
-
-in the android shell
-
-Code Breakdown
--------------
-
-The Replayer is composed of 5 components.
-
-- The data format of the trace (Trace.proto)
-- The Replayer object (Replayer.cpp)
-- The synchronization mechanism to signal threads within the Replayer (Event.cpp)
-- The scheduler for buffer updates per surface (BufferQueueScheduler.cpp)
-- The Main executable (Main.cpp)
-
-### Traces
-
-Traces are represented as a protobuf message located in surfacereplayer/proto/src.
-
-**Traces** contain *repeated* **Increments** (events that have occurred in SurfaceFlinger).
-**Increments** contain the time stamp of when it occurred and a *oneof* which can be a
-
- - Transaction
- - SurfaceCreation
- - SurfaceDeletion
- - DisplayCreation
- - DisplayDeleteion
- - BufferUpdate
- - VSyncEvent
- - PowerModeUpdate
-
-**Transactions** contain whether the transaction was synchronous or animated and *repeated*
-**SurfaceChanges** and **DisplayChanges**
-
-- **SurfaceChanges** contain an id of the surface being manipulated and can be changes such as
-position, alpha, hidden, size, etc.
-- **DisplayChanges** contain the id of the display being manipulated and can be changes such as
-size, layer stack, projection, etc.
-
-**Surface/Display Creation** contain the id of the surface/display and the name of the
-surface/display
-
-**Surface/Display Deletion** contain the id of the surface/display to be deleted
-
-**Buffer Updates** contain the id of the surface who's buffer is being updated, the size of the
-buffer, and the frame number.
-
-**VSyncEvents** contain when the VSync event has occurred.
-
-**PowerModeUpdates** contain the id of the display being updated and what mode it is being
-changed to.
-
-To output the contents of a trace in a readable format, execute
-
-`**aprotoc** --decode=Trace \
--I=$ANDROID_BUILD_TOP/frameworks/native/cmds/surfacereplayer/proto/src \
-$ANDROID_BUILD_TOP/frameworks/native/cmds/surfacereplayer/proto/src/trace.proto \
- < **YourTraceFile.dat** > **YourOutputName.txt**`
-
-
-###Replayer
-
-Fundamentally the replayer loads a trace and iterates through each increment, waiting the required
-amount of time until the increment should be executed, then executing the increment. The first
-increment in a trace does not start at 0, rather the replayer treats its time stamp as time 0 and
-goes from there.
-
-Increments from the trace are played asynchronously rather than one by one, being dispatched by
-the main thread, queued up in a thread pool and completed when the main thread deems they are
-ready to finish execution.
-
-When an increment is dispatched, it completes as much work as it can before it has to be
-synchronized (e.g. prebaking a buffer for a BufferUpdate). When it gets to a critical action
-(e.g. locking and pushing a buffer), it waits for the main thread to complete it using an Event
-object. The main thread holds a queue of these Event objects and completes the
-corresponding Event base on its time stamp. After completing an increment, the main thread will
-dispatch another increment and continue.
-
-The main thread's execution flow is outlined below
-
-    initReplay() //queue up the initial increments
-    while(!pendingIncrements.empty()) { //while increments remaining
-        event = pendingIncrement.pop();
-        wait(event.time_stamp(); //waitUntil it is time to complete this increment
-
-        event.complete() //signal to let event finish
-        if(increments remaing()) {
-            dispatchEvent() //queue up another increment
-        }
-    }
-
-A worker thread's flow looks like so
-
-    //dispatched!
-    Execute non-time sensitive work here
-    ...
-    event.readyToExecute() //time sensitive point...waiting for Main Thread
-    ...
-    Finish execution
-
-
-### Event
-
-An Event is a simple synchronization mechanism used to facilitate communication between the main
-and worker threads. Every time an increment is dispatched, an Event object is also created.
-
-An Event can be in 4 different states:
-
-- **SettingUp** - The worker is in the process of completing all non-time sensitive work
-- **Waiting** - The worker is waiting on the main thread to signal it.
-- **Signaled** - The worker has just been signaled by the main thread
-- **Running** - The worker is running again and finishing the rest of its work.
-
-When the main thread wants to finish the execution of a worker, the worker can either still be
-**SettingUp**, in which the main thread will wait, or the worker will be **Waiting**, in which the
-main thread will **Signal** it to complete. The worker thread changes itself to the **Running**
-state once **Signaled**. This last step exists in order to communicate back to the main thread that
-the worker thread has actually started completing its execution, rather than being preempted right
-after signalling. Once this happens, the main thread schedules the next worker. This makes sure
-there is a constant amount of workers running at one time.
-
-This activity is encapsulated in the `readyToExecute()` and `complete()` functions called by the
-worker and main thread respectively.
-
-### BufferQueueScheduler
-
-During a **BuferUpdate**, the worker thread will wait until **Signaled** to unlock and post a
-buffer that has been prefilled during the **SettingUp** phase. However if there are two sequential
-**BufferUpdates** that act on the same surface, both threads will try to lock a buffer and fill it,
-which isn't possible and will cause a deadlock. The BufferQueueScheduler solves this problem by
-handling when **BufferUpdates** should be scheduled, making sure that they don't overlap.
-
-When a surface is created, a BufferQueueScheduler is also created along side it. Whenever a
-**BufferUpdate** is read, it schedules the event onto its own internal queue and then schedules one
-every time an Event is completed.
-
-### Main
-
-The main exectuable reads in the command line arguments. Creates the Replayer using those
-arguments. Executes `replay()` on the Replayer. If there are no errors while replaying it will exit
-gracefully, if there are then it will report the error and then exit.
diff --git a/cmds/surfacereplayer/replayer/Replayer.cpp b/cmds/surfacereplayer/replayer/Replayer.cpp
index 3f7c7d6a7b..44235ccdef 100644
--- a/cmds/surfacereplayer/replayer/Replayer.cpp
+++ b/cmds/surfacereplayer/replayer/Replayer.cpp
@@ -464,7 +464,6 @@ void Replayer::setPosition(SurfaceComposerClient::Transaction& t,
 void Replayer::setSize(SurfaceComposerClient::Transaction& t,
         layer_id id, const SizeChange& sc) {
     ALOGV("Layer %d: Setting Size -- w=%u, h=%u", id, sc.w(), sc.h());
-    t.setSize(mLayers[id], sc.w(), sc.h());
 }
 
 void Replayer::setLayer(SurfaceComposerClient::Transaction& t,
diff --git a/cmds/surfacereplayer/replayer/Replayer.h b/cmds/surfacereplayer/replayer/Replayer.h
deleted file mode 100644
index d62522a497..0000000000
--- a/cmds/surfacereplayer/replayer/Replayer.h
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SURFACEREPLAYER_H
-#define ANDROID_SURFACEREPLAYER_H
-
-#include "BufferQueueScheduler.h"
-#include "Color.h"
-#include "Event.h"
-
-#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
-
-#include <gui/SurfaceComposerClient.h>
-#include <gui/SurfaceControl.h>
-
-#include <utils/Errors.h>
-#include <utils/StrongPointer.h>
-
-#include <stdatomic.h>
-#include <condition_variable>
-#include <memory>
-#include <mutex>
-#include <queue>
-#include <thread>
-#include <unordered_map>
-#include <utility>
-
-using namespace android::surfaceflinger;
-
-namespace android {
-
-const auto DEFAULT_PATH = "/data/local/tmp/SurfaceTrace.dat";
-const auto RAND_COLOR_SEED = 700;
-const auto DEFAULT_THREADS = 3;
-
-typedef int32_t layer_id;
-typedef int32_t display_id;
-
-typedef google::protobuf::RepeatedPtrField<SurfaceChange> SurfaceChanges;
-typedef google::protobuf::RepeatedPtrField<DisplayChange> DisplayChanges;
-
-class Replayer {
-  public:
-    Replayer(const std::string& filename, bool replayManually = false,
-            int numThreads = DEFAULT_THREADS, bool wait = true, nsecs_t stopHere = -1);
-    Replayer(const Trace& trace, bool replayManually = false, int numThreads = DEFAULT_THREADS,
-            bool wait = true, nsecs_t stopHere = -1);
-
-    status_t replay();
-
-  private:
-    status_t initReplay();
-
-    void waitForConsoleCommmand();
-    static void stopAutoReplayHandler(int signal);
-
-    status_t dispatchEvent(int index);
-
-    status_t doTransaction(const Transaction& transaction, const std::shared_ptr<Event>& event);
-    status_t createSurfaceControl(const SurfaceCreation& create,
-            const std::shared_ptr<Event>& event);
-    status_t injectVSyncEvent(const VSyncEvent& vsyncEvent, const std::shared_ptr<Event>& event);
-    void createDisplay(const DisplayCreation& create, const std::shared_ptr<Event>& event);
-    void deleteDisplay(const DisplayDeletion& delete_, const std::shared_ptr<Event>& event);
-    void updatePowerMode(const PowerModeUpdate& update, const std::shared_ptr<Event>& event);
-
-    status_t doSurfaceTransaction(SurfaceComposerClient::Transaction& transaction,
-            const SurfaceChanges& surfaceChange);
-    void doDisplayTransaction(SurfaceComposerClient::Transaction& transaction,
-            const DisplayChanges& displayChange);
-
-    void setPosition(SurfaceComposerClient::Transaction& t,
-            layer_id id, const PositionChange& pc);
-    void setSize(SurfaceComposerClient::Transaction& t,
-            layer_id id, const SizeChange& sc);
-    void setAlpha(SurfaceComposerClient::Transaction& t,
-            layer_id id, const AlphaChange& ac);
-    void setLayer(SurfaceComposerClient::Transaction& t,
-            layer_id id, const LayerChange& lc);
-    void setCrop(SurfaceComposerClient::Transaction& t,
-            layer_id id, const CropChange& cc);
-    void setCornerRadius(SurfaceComposerClient::Transaction& t,
-            layer_id id, const CornerRadiusChange& cc);
-    void setBackgroundBlurRadius(SurfaceComposerClient::Transaction& t,
-            layer_id id, const BackgroundBlurRadiusChange& cc);
-    void setBlurRegions(SurfaceComposerClient::Transaction& t,
-            layer_id id, const BlurRegionsChange& cc);
-    void setMatrix(SurfaceComposerClient::Transaction& t,
-            layer_id id, const MatrixChange& mc);
-    void setTransparentRegionHint(SurfaceComposerClient::Transaction& t,
-            layer_id id, const TransparentRegionHintChange& trgc);
-    void setLayerStack(SurfaceComposerClient::Transaction& t,
-            layer_id id, const LayerStackChange& lsc);
-    void setHiddenFlag(SurfaceComposerClient::Transaction& t,
-            layer_id id, const HiddenFlagChange& hfc);
-    void setOpaqueFlag(SurfaceComposerClient::Transaction& t,
-            layer_id id, const OpaqueFlagChange& ofc);
-    void setSecureFlag(SurfaceComposerClient::Transaction& t,
-            layer_id id, const SecureFlagChange& sfc);
-    void setReparentChange(SurfaceComposerClient::Transaction& t,
-            layer_id id, const ReparentChange& c);
-    void setRelativeParentChange(SurfaceComposerClient::Transaction& t,
-            layer_id id, const RelativeParentChange& c);
-    void setShadowRadiusChange(SurfaceComposerClient::Transaction& t,
-            layer_id id, const ShadowRadiusChange& c);
-    void setBlurRegionsChange(SurfaceComposerClient::Transaction& t,
-            layer_id id, const BlurRegionsChange& c);
-
-    void setDisplaySurface(SurfaceComposerClient::Transaction& t,
-            display_id id, const DispSurfaceChange& dsc);
-    void setDisplayLayerStack(SurfaceComposerClient::Transaction& t,
-            display_id id, const LayerStackChange& lsc);
-    void setDisplaySize(SurfaceComposerClient::Transaction& t,
-            display_id id, const SizeChange& sc);
-    void setDisplayProjection(SurfaceComposerClient::Transaction& t,
-            display_id id, const ProjectionChange& pc);
-
-    void waitUntilTimestamp(int64_t timestamp);
-    status_t loadSurfaceComposerClient();
-
-    Trace mTrace;
-    bool mLoaded = false;
-    int32_t mIncrementIndex = 0;
-    int64_t mCurrentTime = 0;
-    int32_t mNumThreads = DEFAULT_THREADS;
-
-    Increment mCurrentIncrement;
-
-    std::string mLastInput;
-
-    static atomic_bool sReplayingManually;
-    bool mWaitingForNextVSync;
-    bool mWaitForTimeStamps;
-    nsecs_t mStopTimeStamp;
-    bool mHasStopped;
-
-    std::mutex mLayerLock;
-    std::condition_variable mLayerCond;
-    std::unordered_map<layer_id, sp<SurfaceControl>> mLayers;
-    std::unordered_map<layer_id, HSV> mColors;
-
-    std::mutex mPendingLayersLock;
-    std::vector<layer_id> mLayersPendingRemoval;
-
-    std::mutex mBufferQueueSchedulerLock;
-    std::unordered_map<layer_id, std::shared_ptr<BufferQueueScheduler>> mBufferQueueSchedulers;
-
-    std::mutex mDisplayLock;
-    std::condition_variable mDisplayCond;
-    std::unordered_map<display_id, sp<IBinder>> mDisplays;
-
-    sp<SurfaceComposerClient> mComposerClient;
-    std::queue<std::shared_ptr<Event>> mPendingIncrements;
-};
-
-}  // namespace android
-#endif
diff --git a/cmds/surfacereplayer/replayer/trace_creator/trace_creator.py b/cmds/surfacereplayer/replayer/trace_creator/trace_creator.py
deleted file mode 100644
index 58bfbf3c43..0000000000
--- a/cmds/surfacereplayer/replayer/trace_creator/trace_creator.py
+++ /dev/null
@@ -1,285 +0,0 @@
-#!/usr/bin/python
-from subprocess import call
-import os
-proto_path = os.environ['ANDROID_BUILD_TOP'] + "/frameworks/native/cmds/surfacereplayer/proto/src/"
-call(["aprotoc", "-I=" + proto_path, "--python_out=.", proto_path + "trace.proto"])
-
-from trace_pb2 import *
-
-trace = Trace()
-
-def main():
-    global trace
-    while(1):
-        option = main_menu()
-
-        if option == 0:
-            break
-
-        increment = trace.increment.add()
-        increment.time_stamp  = int(input("Time stamp of action: "))
-
-        if option == 1:
-           transaction(increment)
-        elif option == 2:
-            surface_create(increment)
-        elif option == 3:
-            surface_delete(increment)
-        elif option == 4:
-            display_create(increment)
-        elif option == 5:
-            display_delete(increment)
-        elif option == 6:
-            buffer_update(increment)
-        elif option == 7:
-            vsync_event(increment)
-        elif option == 8:
-            power_mode_update(increment)
-
-    seralizeTrace()
-
-def seralizeTrace():
-    with open("trace.dat", 'wb') as f:
-        f.write(trace.SerializeToString())
-
-
-def main_menu():
-    print ("")
-    print ("What would you like to do?")
-    print ("1. Add transaction")
-    print ("2. Add surface creation")
-    print ("3. Add surface deletion")
-    print ("4. Add display creation")
-    print ("5. Add display deletion")
-    print ("6. Add buffer update")
-    print ("7. Add VSync event")
-    print ("8. Add power mode update")
-    print ("0. Finish and serialize")
-    print ("")
-
-    return int(input("> "))
-
-def transaction_menu():
-    print ("")
-    print ("What kind of transaction?")
-    print ("1. Position Change")
-    print ("2. Size Change")
-    print ("3. Alpha Change")
-    print ("4. Layer Change")
-    print ("5. Crop Change")
-    print ("6. Final Crop Change")
-    print ("7. Matrix Change")
-    print ("9. Transparent Region Hint Change")
-    print ("10. Layer Stack Change")
-    print ("11. Hidden Flag Change")
-    print ("12. Opaque Flag Change")
-    print ("13. Secure Flag Change")
-    print ("14. Deferred Transaction Change")
-    print ("15. Display - Surface Change")
-    print ("16. Display - Layer Stack Change")
-    print ("17. Display - Size Change")
-    print ("18. Display - Projection Change")
-    print ("0. Finished adding Changes to this transaction")
-    print ("")
-
-    return int(input("> "))
-
-def transaction(increment):
-    global trace
-
-    increment.transaction.synchronous \
-            = bool(input("Is transaction synchronous (True/False): "))
-    increment.transaction.animation \
-            = bool(input("Is transaction animated (True/False): "))
-
-    while(1):
-        option = transaction_menu()
-
-        if option == 0:
-            break
-
-        change = None
-        if option <= 14:
-            change = increment.transaction.surface_change.add()
-        elif option >= 15 and option <= 18:
-            change = increment.transaction.display_change.add()
-
-        change.id = int(input("ID of layer/display to undergo a change: "))
-
-        if option == 1:
-            change.position.x, change.position.y = position()
-        elif option == 2:
-            change.size.w, change.size.h = size()
-        elif option == 3:
-            change.alpha.alpha = alpha()
-        elif option == 4:
-            change.layer.layer = layer()
-        elif option == 5:
-            change.crop.rectangle.left,  change.crop.rectangle.top, \
-            change.crop.rectangle.right, change.crop.rectangle.bottom = crop()
-        elif option == 6:
-            change.final_crop.rectangle.left, \
-            change.final_crop.rectangle.top,  \
-            change.final_crop.rectangle.right,\
-            change.final_crop.rectangle.bottom = final_crop()
-        elif option == 7:
-            change.matrix.dsdx,\
-            change.matrix.dtdx,\
-            change.matrix.dsdy,\
-            change.matrix.dtdy = layer()
-        elif option == 9:
-            for rect in transparent_region_hint():
-                new = increment.transparent_region_hint.region.add()
-                new.left = rect[0]
-                new.top = rect[1]
-                new.right = rect[2]
-                new.bottom = rect[3]
-        elif option == 10:
-            change.layer_stack.layer_stack = layer_stack()
-        elif option == 11:
-            change.hidden_flag.hidden_flag = hidden_flag()
-        elif option == 12:
-            change.opaque_flag.opaque_flag = opaque_flag()
-        elif option == 13:
-            change.secure_flag.secure_flag = secure_flag()
-        elif option == 14:
-            change.deferred_transaction.layer_id, \
-            change.deferred_transaction.frame_number = deferred_transaction()
-        elif option == 15:
-            change.surface.buffer_queue_id, \
-            change.surface.buffer_queue_name = surface()
-        elif option == 16:
-            change.layer_stack.layer_stack = layer_stack()
-        elif option == 17:
-            change.size.w, change.size.h = size()
-        elif option == 18:
-            projection(change)
-
-def surface_create(increment):
-    increment.surface_creation.id = int(input("Enter id: "))
-    n = str(raw_input("Enter name: "))
-    increment.surface_creation.name = n
-    increment.surface_creation.w = input("Enter w: ")
-    increment.surface_creation.h = input("Enter h: ")
-
-def surface_delete(increment):
-    increment.surface_deletion.id = int(input("Enter id: "))
-
-def display_create(increment):
-    increment.display_creation.id = int(input("Enter id: "))
-    increment.display_creation.name = str(raw_input("Enter name: "))
-    increment.display_creation.display_id = int(input("Enter display ID: "))
-    increment.display_creation.is_secure = bool(input("Enter if secure: "))
-
-def display_delete(increment):
-    increment.surface_deletion.id = int(input("Enter id: "))
-
-def buffer_update(increment):
-    increment.buffer_update.id = int(input("Enter id: "))
-    increment.buffer_update.w = int(input("Enter w: "))
-    increment.buffer_update.h = int(input("Enter h: "))
-    increment.buffer_update.frame_number = int(input("Enter frame_number: "))
-
-def vsync_event(increment):
-    increment.vsync_event.when = int(input("Enter when: "))
-
-def power_mode_update(increment):
-    increment.power_mode_update.id = int(input("Enter id: "))
-    increment.power_mode_update.mode = int(input("Enter mode: "))
-
-def position():
-    x = input("Enter x: ")
-    y = input("Enter y: ")
-
-    return float(x), float(y)
-
-def size():
-    w = input("Enter w: ")
-    h = input("Enter h: ")
-
-    return int(w), int(h)
-
-def alpha():
-    alpha = input("Enter alpha: ")
-
-    return float(alpha)
-
-def layer():
-    layer = input("Enter layer: ")
-
-    return int(layer)
-
-def crop():
-    return rectangle()
-
-def final_crop():
-    return rectangle()
-
-def matrix():
-    dsdx = input("Enter dsdx: ")
-    dtdx = input("Enter dtdx: ")
-    dsdy = input("Enter dsdy: ")
-    dtdy = input("Enter dtdy: ")
-
-    return float(dsdx)
-
-def transparent_region_hint():
-    num = input("Enter number of rectangles in region: ")
-
-    return [rectangle() in range(x)]
-
-def layer_stack():
-    layer_stack = input("Enter layer stack: ")
-
-    return int(layer_stack)
-
-def hidden_flag():
-    flag = input("Enter hidden flag state (True/False): ")
-
-    return bool(flag)
-
-def opaque_flag():
-    flag = input("Enter opaque flag state (True/False): ")
-
-    return bool(flag)
-
-def secure_flag():
-    flag = input("Enter secure flag state (True/False): ")
-
-    return bool(flag)
-
-def deferred_transaction():
-    layer_id = input("Enter layer_id: ")
-    frame_number = input("Enter frame_number: ")
-
-    return int(layer_id), int(frame_number)
-
-def surface():
-    id = input("Enter id: ")
-    name = raw_input("Enter name: ")
-
-    return int(id), str(name)
-
-def projection(change):
-    change.projection.orientation = input("Enter orientation: ")
-    print("Enter rectangle for viewport")
-    change.projection.viewport.left, \
-    change.projection.viewport.top,  \
-    change.projection.viewport.right,\
-    change.projection.viewport.bottom = rectangle()
-    print("Enter rectangle for frame")
-    change.projection.frame.left, \
-    change.projection.frame.top,  \
-    change.projection.frame.right,\
-    change.projection.frame.bottom = rectangle()
-
-def rectangle():
-    left = input("Enter left: ")
-    top = input("Enter top: ")
-    right = input("Enter right: ")
-    bottom = input("Enter bottom: ")
-
-    return int(left), int(top), int(right), int(bottom)
-
-if __name__ == "__main__":
-    main()
diff --git a/data/etc/android.hardware.type.automotive.xml b/data/etc/android.hardware.type.automotive.xml
index 113945b0c5..a9b4b0526a 100644
--- a/data/etc/android.hardware.type.automotive.xml
+++ b/data/etc/android.hardware.type.automotive.xml
@@ -17,6 +17,4 @@
 <!-- These features determine that the device running android is a car. -->
 <permissions>
     <feature name="android.hardware.type.automotive" />
-    <!-- TODO: Revert this after enabling work profiles refer b/170332519 -->
-    <unavailable-feature name="android.software.managed_users"/>
 </permissions>
diff --git a/data/etc/android.software.credentials.xml b/data/etc/android.software.credentials.xml
new file mode 100644
index 0000000000..234d14411c
--- /dev/null
+++ b/data/etc/android.software.credentials.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2022 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.credentials" />
+</permissions>
diff --git a/data/etc/android.software.opengles.deqp.level-2023-03-01.xml b/data/etc/android.software.opengles.deqp.level-2023-03-01.xml
new file mode 100644
index 0000000000..d0b594c73d
--- /dev/null
+++ b/data/etc/android.software.opengles.deqp.level-2023-03-01.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- This is the standard feature indicating that the device passes OpenGL ES
+     dEQP tests associated with date 2023-03-01 (0x07E70301). -->
+<permissions>
+    <feature name="android.software.opengles.deqp.level" version="132580097" />
+</permissions>
diff --git a/data/etc/android.software.vulkan.deqp.level-2023-03-01.xml b/data/etc/android.software.vulkan.deqp.level-2023-03-01.xml
new file mode 100644
index 0000000000..6ae248ac3c
--- /dev/null
+++ b/data/etc/android.software.vulkan.deqp.level-2023-03-01.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- This is the standard feature indicating that the device passes Vulkan dEQP
+     tests associated with date 2023-03-01 (0x07E70301). -->
+<permissions>
+    <feature name="android.software.vulkan.deqp.level" version="132580097" />
+</permissions>
diff --git a/data/etc/handheld_core_hardware.xml b/data/etc/handheld_core_hardware.xml
index 8fdd8d06d5..08330126c7 100644
--- a/data/etc/handheld_core_hardware.xml
+++ b/data/etc/handheld_core_hardware.xml
@@ -52,6 +52,7 @@
     <feature name="android.software.print" />
     <feature name="android.software.companion_device_setup" />
     <feature name="android.software.autofill" />
+    <feature name="android.software.credentials" />
     <feature name="android.software.cant_save_state" />
     <feature name="android.software.secure_lock_screen" />
     <feature name="android.software.window_magnification" />
diff --git a/data/etc/tablet_core_hardware.xml b/data/etc/tablet_core_hardware.xml
index 59d5b10947..6af4d91418 100644
--- a/data/etc/tablet_core_hardware.xml
+++ b/data/etc/tablet_core_hardware.xml
@@ -52,6 +52,7 @@
     <feature name="android.software.print" />
     <feature name="android.software.companion_device_setup" />
     <feature name="android.software.autofill" />
+    <feature name="android.software.credentials" />
     <feature name="android.software.cant_save_state" />
     <feature name="android.software.secure_lock_screen" />
     <feature name="android.software.window_magnification" />
diff --git a/include/android/font.h b/include/android/font.h
index 8a3a474f25..022572535b 100644
--- a/include/android/font.h
+++ b/include/android/font.h
@@ -31,6 +31,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <sys/cdefs.h>
 
 /******************************************************************
@@ -86,10 +87,11 @@ enum {
     AFONT_WEIGHT_MAX = 1000
 };
 
+struct AFont;
 /**
  * AFont provides information of the single font configuration.
  */
-struct AFont;
+typedef struct AFont AFont;
 
 /**
  * Close an AFont.
diff --git a/include/android/font_matcher.h b/include/android/font_matcher.h
index 4417422687..60ff95e123 100644
--- a/include/android/font_matcher.h
+++ b/include/android/font_matcher.h
@@ -75,6 +75,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <sys/cdefs.h>
 
 #include <android/font.h>
@@ -116,11 +117,12 @@ enum {
     AFAMILY_VARIANT_ELEGANT = 2,
 };
 
+struct AFontMatcher;
 /**
  * AFontMatcher performs match operation on given parameters and available font files.
  * This matcher is not a thread-safe object. Do not pass this matcher to other threads.
  */
-struct AFontMatcher;
+typedef struct AFontMatcher AFontMatcher;
 
 /**
  * Select the best font from given parameters.
diff --git a/include/android/input.h b/include/android/input.h
index 38b27bc587..5d19c5cb13 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -54,7 +54,14 @@
 #include <stdint.h>
 #include <sys/types.h>
 #include <android/keycodes.h>
+
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
+
 #include <jni.h>
 
 #if !defined(__INTRODUCED_IN)
@@ -764,9 +771,33 @@ enum {
      * The interpretation of a generic axis is device-specific.
      */
     AMOTION_EVENT_AXIS_GENERIC_16 = 47,
+    /**
+     * Axis constant: X gesture offset axis of a motion event.
+     *
+     * - For a touch pad, reports the distance that a swipe gesture has moved in the X axis, as a
+     *   proportion of the touch pad's size. For example, if a touch pad is 1000 units wide, and a
+     *   swipe gesture starts at X = 500 then moves to X = 400, this axis would have a value of
+     *   -0.1.
+     */
+    AMOTION_EVENT_AXIS_GESTURE_X_OFFSET = 48,
+    /**
+     * Axis constant: Y gesture offset axis of a motion event.
+     *
+     * The same as {@link AMOTION_EVENT_AXIS_GESTURE_X_OFFSET}, but for the Y axis.
+     */
+    AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET = 49,
+
+    /**
+     * Note: This is not an "Axis constant". It does not represent any axis, nor should it be used
+     * to represent any axis. It is a constant holding the value of the largest defined axis value,
+     * to make some computations (like iterating through all possible axes) cleaner.
+     * Please update the value accordingly if you add a new axis.
+     */
+    AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE = AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET,
 
     // NOTE: If you add a new axis here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/MotionEvent.java for the full list.
+    //       Update AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE accordingly as well.
 };
 
 /**
@@ -833,6 +864,12 @@ enum AMotionClassification : uint32_t {
      * This classification type should be used to accelerate the long press behaviour.
      */
     AMOTION_EVENT_CLASSIFICATION_DEEP_PRESS = 2,
+    /**
+     * Classification constant: touchpad two-finger swipe.
+     *
+     * The current event stream represents the user swiping with two fingers on a touchpad.
+     */
+    AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE = 3,
 };
 
 /**
diff --git a/include/android/keycodes.h b/include/android/keycodes.h
index 214559d683..e5b5db2964 100644
--- a/include/android/keycodes.h
+++ b/include/android/keycodes.h
@@ -776,7 +776,59 @@ enum {
     AKEYCODE_THUMBS_DOWN = 287,
     /** Used to switch current account that is consuming content.
      * May be consumed by system to switch current viewer profile. */
-    AKEYCODE_PROFILE_SWITCH = 288
+    AKEYCODE_PROFILE_SWITCH = 288,
+    /** Video Application key #1. */
+    AKEYCODE_VIDEO_APP_1 = 289,
+    /** Video Application key #2. */
+    AKEYCODE_VIDEO_APP_2 = 290,
+    /** Video Application key #3. */
+    AKEYCODE_VIDEO_APP_3 = 291,
+    /** Video Application key #4. */
+    AKEYCODE_VIDEO_APP_4 = 292,
+    /** Video Application key #5. */
+    AKEYCODE_VIDEO_APP_5 = 293,
+    /** Video Application key #6. */
+    AKEYCODE_VIDEO_APP_6 = 294,
+    /** Video Application key #7. */
+    AKEYCODE_VIDEO_APP_7 = 295,
+    /** Video Application key #8. */
+    AKEYCODE_VIDEO_APP_8 = 296,
+    /** Featured Application key #1. */
+    AKEYCODE_FEATURED_APP_1 = 297,
+    /** Featured Application key #2. */
+    AKEYCODE_FEATURED_APP_2 = 298,
+    /** Featured Application key #3. */
+    AKEYCODE_FEATURED_APP_3 = 299,
+    /** Featured Application key #4. */
+    AKEYCODE_FEATURED_APP_4 = 300,
+    /** Demo Application key #1. */
+    AKEYCODE_DEMO_APP_1 = 301,
+    /** Demo Application key #2. */
+    AKEYCODE_DEMO_APP_2 = 302,
+    /** Demo Application key #3. */
+    AKEYCODE_DEMO_APP_3 = 303,
+    /** Demo Application key #4. */
+    AKEYCODE_DEMO_APP_4 = 304,
+    /** Keyboard backlight Down key.
+     * Adjusts the keyboard backlight brightness down. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_DOWN = 305,
+    /** Keyboard backlight Up key.
+     * Adjusts the keyboard backlight brightness up. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_UP = 306,
+    /** Keyboard backlight Toggle key.
+     * Toggles the keyboard backlight on/off. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_TOGGLE = 307,
+    /** The primary button on the barrel of a stylus.
+     * This is usually the button closest to the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_PRIMARY = 308,
+    /** The secondary button on the barrel of a stylus.
+     * This is usually the second button from the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_SECONDARY = 309,
+    /** The tertiary button on the barrel of a stylus.
+     * This is usually the third button from the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_TERTIARY = 310,
+    /** A button on the tail end of a stylus. */
+    AKEYCODE_STYLUS_BUTTON_TAIL = 311,
 
     // NOTE: If you add a new keycode here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
diff --git a/include/android/looper.h b/include/android/looper.h
index 718f703048..4fe142a8e2 100644
--- a/include/android/looper.h
+++ b/include/android/looper.h
@@ -201,8 +201,11 @@ int ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outDa
  * Like ALooper_pollOnce(), but performs all pending callbacks until all
  * data has been consumed or a file descriptor is available with no callback.
  * This function will never return ALOOPER_POLL_CALLBACK.
+ *
+ * Removed in API 34 as ALooper_pollAll can swallow ALooper_wake calls.
+ * Use ALooper_pollOnce instead.
  */
-int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData);
+int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) __REMOVED_IN(1);
 
 /**
  * Wakes the poll asynchronously.
diff --git a/include/android/performance_hint.h b/include/android/performance_hint.h
index 5fa47f64be..eed6b3339f 100644
--- a/include/android/performance_hint.h
+++ b/include/android/performance_hint.h
@@ -88,6 +88,36 @@ typedef struct APerformanceHintManager APerformanceHintManager;
 typedef struct APerformanceHintSession APerformanceHintSession;
 
 /**
+ * Hints for the session used by {@link APerformanceHint_sendHint} to signal upcoming changes
+ * in the mode or workload.
+ */
+enum SessionHint {
+    /**
+     * This hint indicates a sudden increase in CPU workload intensity. It means
+     * that this hint session needs extra CPU resources immediately to meet the
+     * target duration for the current work cycle.
+     */
+    CPU_LOAD_UP = 0,
+    /**
+     * This hint indicates a decrease in CPU workload intensity. It means that
+     * this hint session can reduce CPU resources and still meet the target duration.
+     */
+    CPU_LOAD_DOWN = 1,
+    /*
+     * This hint indicates an upcoming CPU workload that is completely changed and
+     * unknown. It means that the hint session should reset CPU resources to a known
+     * baseline to prepare for an arbitrary load, and must wake up if inactive.
+     */
+    CPU_LOAD_RESET = 2,
+    /*
+     * This hint indicates that the most recent CPU workload is resuming after a
+     * period of inactivity. It means that the hint session should allocate similar
+     * CPU resources to what was used previously, and must wake up if inactive.
+     */
+    CPU_LOAD_RESUME = 3,
+};
+
+/**
   * Acquire an instance of the performance hint manager.
   *
   * @return manager instance on success, nullptr on failure.
@@ -159,6 +189,17 @@ int APerformanceHint_reportActualWorkDuration(
 void APerformanceHint_closeSession(
         APerformanceHintSession* session) __INTRODUCED_IN(__ANDROID_API_T__);
 
+/**
+ * Sends performance hints to inform the hint session of changes in the workload.
+ *
+ * @param session The performance hint session instance to update.
+ * @param hint The hint to send to the session.
+ * @return 0 on success
+ *         EPIPE if communication with the system service has failed.
+ */
+int APerformanceHint_sendHint(
+        APerformanceHintSession* session, int hint) __INTRODUCED_IN(__ANDROID_API_U__);
+
 __END_DECLS
 
 #endif // ANDROID_NATIVE_PERFORMANCE_HINT_H
diff --git a/include/android/sensor.h b/include/android/sensor.h
index ba81bc8d8e..085fc270c1 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -45,6 +45,11 @@
  *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
  */
 
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
 
 #include <stdbool.h>
diff --git a/include/android/surface_control.h b/include/android/surface_control.h
index 6223ef7f82..f76e73d3cf 100644
--- a/include/android/surface_control.h
+++ b/include/android/surface_control.h
@@ -545,6 +545,8 @@ void ASurfaceTransaction_setFrameRate(ASurfaceTransaction* transaction,
  * You can register for changes in the refresh rate using
  * \a AChoreographer_registerRefreshRateCallback.
  *
+ * See ASurfaceTransaction_clearFrameRate().
+ *
  * \param frameRate is the intended frame rate of this surface, in frames per second. 0 is a special
  * value that indicates the app will accept the system's choice for the display frame rate, which is
  * the default behavior if this function isn't called. The frameRate param does <em>not</em> need to
@@ -568,6 +570,31 @@ void ASurfaceTransaction_setFrameRateWithChangeStrategy(ASurfaceTransaction* tra
                                       __INTRODUCED_IN(31);
 
 /**
+ * Clears the frame rate which is set for \a surface_control.
+ *
+ * This is equivalent to calling
+ * ASurfaceTransaction_setFrameRateWithChangeStrategy(
+ * transaction, 0, compatibility, changeFrameRateStrategy).
+ *
+ * Usage of this API won't directly affect the application's frame production pipeline. However,
+ * because the system may change the display refresh rate, calls to this function may result in
+ * changes to Choreographer callback timings, and changes to the time interval at which the system
+ * releases buffers back to the application.
+ *
+ * See ASurfaceTransaction_setFrameRateWithChangeStrategy()
+ *
+ * You can register for changes in the refresh rate using
+ * \a AChoreographer_registerRefreshRateCallback.
+ *
+ * See ASurfaceTransaction_setFrameRateWithChangeStrategy().
+ *
+ * Available since API level 34.
+ */
+void ASurfaceTransaction_clearFrameRate(ASurfaceTransaction* transaction,
+                                        ASurfaceControl* surface_control)
+                                        __INTRODUCED_IN(__ANDROID_API_U__);
+
+/**
  * Indicate whether to enable backpressure for buffer submission to a given SurfaceControl.
  *
  * By default backpressure is disabled, which means submitting a buffer prior to receiving
diff --git a/include/android/surface_control_jni.h b/include/android/surface_control_jni.h
new file mode 100644
index 0000000000..840f6e724b
--- /dev/null
+++ b/include/android/surface_control_jni.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NativeActivity Native Activity
+ * @{
+ */
+
+/**
+ * @file surface_control_jni.h
+ */
+
+#ifndef ANDROID_SURFACE_CONTROL_JNI_H
+#define ANDROID_SURFACE_CONTROL_JNI_H
+
+#include <jni.h>
+#include <sys/cdefs.h>
+
+#include <android/surface_control.h>
+
+__BEGIN_DECLS
+
+/**
+ * Return the ASurfaceControl wrapped by a Java SurfaceControl object.
+ *
+ * The caller takes ownership of the returned ASurfaceControl returned and must
+ * release it * using ASurfaceControl_release.
+ *
+ * surfaceControlObj must be a non-null instance of android.view.SurfaceControl
+ * and isValid() must be true.
+ *
+ * Available since API level 34.
+ */
+ASurfaceControl* _Nonnull ASurfaceControl_fromJava(JNIEnv* _Nonnull env,
+        jobject _Nonnull surfaceControlObj) __INTRODUCED_IN(__ANDROID_API_U__);
+
+/**
+ * Return the ASurfaceTransaction wrapped by a Java Transaction object.
+ *
+ * The returned ASurfaceTransaction is still owned by the Java Transaction object is only
+ * valid while the Java Transaction object is alive. In particular, the returned transaction
+ * must NOT be deleted with ASurfaceTransaction_delete.
+ *
+ * transactionObj must be a non-null instance of
+ * android.view.SurfaceControl.Transaction and close() must not already be called.
+ *
+ * Available since API level 34.
+ */
+ASurfaceTransaction* _Nonnull ASurfaceTransaction_fromJava(JNIEnv* _Nonnull env,
+        jobject _Nonnull transactionObj) __INTRODUCED_IN(__ANDROID_API_U__);
+
+__END_DECLS
+
+#endif // ANDROID_SURFACE_CONTROL_JNI_H
+/** @} */
diff --git a/include/android/system_fonts.h b/include/android/system_fonts.h
index b0bbb954a9..94484eaf54 100644
--- a/include/android/system_fonts.h
+++ b/include/android/system_fonts.h
@@ -87,13 +87,14 @@
 
 __BEGIN_DECLS
 
+struct ASystemFontIterator;
 /**
  * ASystemFontIterator provides access to the system font configuration.
  *
  * ASystemFontIterator is an iterator for all available system font settings.
  * This iterator is not a thread-safe object. Do not pass this iterator to other threads.
  */
-struct ASystemFontIterator;
+typedef struct ASystemFontIterator ASystemFontIterator;
 
 /**
  * Create a system font iterator.
diff --git a/include/audiomanager/AudioManager.h b/include/audiomanager/AudioManager.h
index 4aa2f60d45..6794fbfc34 100644
--- a/include/audiomanager/AudioManager.h
+++ b/include/audiomanager/AudioManager.h
@@ -38,8 +38,52 @@ typedef enum {
     PLAYER_STATE_PAUSED   = 3,
     PLAYER_STATE_STOPPED  = 4,
     PLAYER_UPDATE_DEVICE_ID = 5,
+    PLAYER_UPDATE_PORT_ID = 6,
+    PLAYER_UPDATE_MUTED = 7,
 } player_state_t;
 
+static constexpr char
+    kExtraPlayerEventMuteKey[] = "android.media.extra.PLAYER_EVENT_MUTE";
+enum {
+    PLAYER_MUTE_MASTER = (1 << 0),
+    PLAYER_MUTE_STREAM_VOLUME = (1 << 1),
+    PLAYER_MUTE_STREAM_MUTED = (1 << 2),
+    PLAYER_MUTE_PLAYBACK_RESTRICTED = (1 << 3),
+    PLAYER_MUTE_CLIENT_VOLUME = (1 << 4),
+    PLAYER_MUTE_VOLUME_SHAPER = (1 << 5),
+};
+
+struct mute_state_t {
+    /** Flag used when the master volume is causing the mute state. */
+    bool muteFromMasterMute = false;
+    /** Flag used when the stream volume is causing the mute state. */
+    bool muteFromStreamVolume = false;
+    /** Flag used when the stream muted is causing the mute state. */
+    bool muteFromStreamMuted = false;
+    /** Flag used when playback is restricted by AppOps manager with OP_PLAY_AUDIO. */
+    bool muteFromPlaybackRestricted = false;
+    /** Flag used when audio track was muted by client volume. */
+    bool muteFromClientVolume = false;
+     /** Flag used when volume is muted by volume shaper. */
+    bool muteFromVolumeShaper = false;
+
+    explicit operator int() const
+    {
+        int result = muteFromMasterMute * PLAYER_MUTE_MASTER;
+        result |= muteFromStreamVolume * PLAYER_MUTE_STREAM_VOLUME;
+        result |= muteFromStreamMuted * PLAYER_MUTE_STREAM_MUTED;
+        result |= muteFromPlaybackRestricted * PLAYER_MUTE_PLAYBACK_RESTRICTED;
+        result |= muteFromClientVolume * PLAYER_MUTE_CLIENT_VOLUME;
+        result |= muteFromVolumeShaper * PLAYER_MUTE_VOLUME_SHAPER;
+        return result;
+    }
+
+    bool operator==(const mute_state_t& other) const
+    {
+        return static_cast<int>(*this) == static_cast<int>(other);
+    }
+};
+
 // must be kept in sync with definitions in AudioManager.java
 #define RECORD_RIID_INVALID -1
 
diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index 426e10c9bc..769670ea99 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -17,8 +17,10 @@
 #ifndef ANDROID_IAUDIOMANAGER_H
 #define ANDROID_IAUDIOMANAGER_H
 
+#include <audiomanager/AudioManager.h>
 #include <utils/Errors.h>
 #include <binder/IInterface.h>
+#include <binder/PersistableBundle.h>
 #include <hardware/power.h>
 #include <system/audio.h>
 
@@ -40,6 +42,7 @@ public:
         RECORDER_EVENT                        = IBinder::FIRST_CALL_TRANSACTION + 5,
         RELEASE_RECORDER                      = IBinder::FIRST_CALL_TRANSACTION + 6,
         PLAYER_SESSION_ID                     = IBinder::FIRST_CALL_TRANSACTION + 7,
+        PORT_EVENT                            = IBinder::FIRST_CALL_TRANSACTION + 8,
     };
 
     DECLARE_META_INTERFACE(AudioManager)
@@ -52,12 +55,14 @@ public:
     /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, audio_usage_t usage,
                 audio_content_type_t content)= 0;
     /*oneway*/ virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event,
-                audio_port_handle_t deviceId) = 0;
+                audio_port_handle_t eventId) = 0;
     /*oneway*/ virtual status_t releasePlayer(audio_unique_id_t piid) = 0;
     virtual audio_unique_id_t trackRecorder(const sp<IBinder>& recorder) = 0;
     /*oneway*/ virtual status_t recorderEvent(audio_unique_id_t riid, recorder_state_t event) = 0;
     /*oneway*/ virtual status_t releaseRecorder(audio_unique_id_t riid) = 0;
     /*oneway*/ virtual status_t playerSessionId(audio_unique_id_t piid, audio_session_t sessionId) = 0;
+    /*oneway*/ virtual status_t portEvent(audio_port_handle_t portId, player_state_t event,
+                const std::unique_ptr<os::PersistableBundle>& extras) = 0;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/ftl/algorithm.h b/include/ftl/algorithm.h
new file mode 100644
index 0000000000..c5ff03b80d
--- /dev/null
+++ b/include/ftl/algorithm.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <algorithm>
+#include <functional>
+#include <utility>
+
+#include <ftl/optional.h>
+
+namespace android::ftl {
+
+// Adapter for std::find_if that converts the return value from iterator to optional.
+//
+//   const ftl::StaticVector vector = {"upside"sv, "down"sv, "cake"sv};
+//   assert(ftl::find_if(vector, [](const auto& str) { return str.front() == 'c'; }) == "cake"sv);
+//
+template <typename Container, typename Predicate, typename V = typename Container::value_type>
+constexpr auto find_if(const Container& container, Predicate&& predicate)
+    -> Optional<std::reference_wrapper<const V>> {
+  const auto it = std::find_if(std::cbegin(container), std::cend(container),
+                               std::forward<Predicate>(predicate));
+  if (it == std::cend(container)) return {};
+  return std::cref(*it);
+}
+
+// Transformers for ftl::find_if on a map-like `Container` that contains key-value pairs.
+//
+//   const ftl::SmallMap map = ftl::init::map<int, ftl::StaticVector<std::string_view, 3>>(
+//       12, "snow"sv, "cone"sv)(13, "tiramisu"sv)(14, "upside"sv, "down"sv, "cake"sv);
+//
+//   using Map = decltype(map);
+//
+//   assert(14 == ftl::find_if(map, [](const auto& pair) {
+//                  return pair.second.size() == 3;
+//                }).transform(ftl::to_key<Map>));
+//
+//   const auto opt = ftl::find_if(map, [](const auto& pair) {
+//                      return pair.second.size() == 1;
+//                    }).transform(ftl::to_mapped_ref<Map>);
+//
+//   assert(opt);
+//   assert(opt->get() == ftl::StaticVector("tiramisu"sv));
+//
+template <typename Map, typename Pair = typename Map::value_type,
+          typename Key = typename Map::key_type>
+constexpr auto to_key(const Pair& pair) -> Key {
+  return pair.first;
+}
+
+template <typename Map, typename Pair = typename Map::value_type,
+          typename Mapped = typename Map::mapped_type>
+constexpr auto to_mapped_ref(const Pair& pair) -> std::reference_wrapper<const Mapped> {
+  return std::cref(pair.second);
+}
+
+}  // namespace android::ftl
diff --git a/include/ftl/concat.h b/include/ftl/concat.h
index ded48f7c8c..e0774d39f3 100644
--- a/include/ftl/concat.h
+++ b/include/ftl/concat.h
@@ -20,7 +20,9 @@
 
 namespace android::ftl {
 
-// Lightweight (not allocating nor sprintf-based) concatenation.
+// Lightweight (not allocating nor sprintf-based) concatenation. The variadic arguments can be
+// values of integral type (including bool and char), string literals, or strings whose length
+// is constrained:
 //
 //   std::string_view name = "Volume";
 //   ftl::Concat string(ftl::truncated<3>(name), ": ", -3, " dB");
diff --git a/include/ftl/details/concat.h b/include/ftl/details/concat.h
index 8ce949ef05..726ba0297e 100644
--- a/include/ftl/details/concat.h
+++ b/include/ftl/details/concat.h
@@ -19,6 +19,7 @@
 #include <functional>
 #include <string_view>
 
+#include <ftl/details/type_traits.h>
 #include <ftl/string.h>
 
 namespace android::ftl::details {
@@ -26,16 +27,42 @@ namespace android::ftl::details {
 template <typename T, typename = void>
 struct StaticString;
 
+// Booleans.
 template <typename T>
-struct StaticString<T, std::enable_if_t<std::is_integral_v<T>>> {
-  static constexpr std::size_t N = to_chars_length_v<T>;
+struct StaticString<T, std::enable_if_t<is_bool_v<T>>> {
+  static constexpr std::size_t N = 5;  // Length of "false".
 
-  explicit StaticString(T v) : view(to_chars(buffer, v)) {}
+  explicit constexpr StaticString(bool b) : view(b ? "true" : "false") {}
 
-  to_chars_buffer_t<T> buffer;
   const std::string_view view;
 };
 
+// Characters.
+template <typename T>
+struct StaticString<T, std::enable_if_t<is_char_v<T>>> {
+  static constexpr std::size_t N = 1;
+
+  explicit constexpr StaticString(char c) : character(c) {}
+
+  const char character;
+  const std::string_view view{&character, 1u};
+};
+
+// Integers, including the integer value of other character types like char32_t.
+template <typename T>
+struct StaticString<
+    T, std::enable_if_t<std::is_integral_v<remove_cvref_t<T>> && !is_bool_v<T> && !is_char_v<T>>> {
+  using U = remove_cvref_t<T>;
+  static constexpr std::size_t N = to_chars_length_v<U>;
+
+  // TODO: Mark this and to_chars as `constexpr` in C++23.
+  explicit StaticString(U v) : view(to_chars(buffer, v)) {}
+
+  to_chars_buffer_t<U> buffer;
+  const std::string_view view;
+};
+
+// Character arrays.
 template <std::size_t M>
 struct StaticString<const char (&)[M], void> {
   static constexpr std::size_t N = M - 1;
@@ -50,6 +77,7 @@ struct Truncated {
   std::string_view view;
 };
 
+// Strings with constrained length.
 template <std::size_t M>
 struct StaticString<Truncated<M>, void> {
   static constexpr std::size_t N = M;
diff --git a/include/ftl/details/match.h b/include/ftl/details/match.h
new file mode 100644
index 0000000000..51b99d2f13
--- /dev/null
+++ b/include/ftl/details/match.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <type_traits>
+#include <variant>
+
+namespace android::ftl::details {
+
+template <typename... Ms>
+struct Matcher : Ms... {
+  using Ms::operator()...;
+};
+
+// Deduction guide.
+template <typename... Ms>
+Matcher(Ms...) -> Matcher<Ms...>;
+
+template <typename Matcher, typename... Ts>
+constexpr bool is_exhaustive_match_v = (std::is_invocable_v<Matcher, Ts> && ...);
+
+template <typename...>
+struct Match;
+
+template <typename T, typename U, typename... Ts>
+struct Match<T, U, Ts...> {
+  template <typename Variant, typename Matcher>
+  static decltype(auto) match(Variant& variant, const Matcher& matcher) {
+    if (auto* const ptr = std::get_if<T>(&variant)) {
+      return matcher(*ptr);
+    } else {
+      return Match<U, Ts...>::match(variant, matcher);
+    }
+  }
+};
+
+template <typename T>
+struct Match<T> {
+  template <typename Variant, typename Matcher>
+  static decltype(auto) match(Variant& variant, const Matcher& matcher) {
+    return matcher(std::get<T>(variant));
+  }
+};
+
+}  // namespace android::ftl::details
diff --git a/include/ftl/details/mixins.h b/include/ftl/details/mixins.h
new file mode 100644
index 0000000000..9ab9e083ae
--- /dev/null
+++ b/include/ftl/details/mixins.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+namespace android::ftl::details {
+
+template <typename Self, template <typename> class>
+class Mixin {
+ protected:
+  constexpr Self& self() { return *static_cast<Self*>(this); }
+  constexpr const Self& self() const { return *static_cast<const Self*>(this); }
+
+  constexpr auto& mut() { return self().value_; }
+};
+
+}  // namespace android::ftl::details
diff --git a/include/ftl/details/optional.h b/include/ftl/details/optional.h
new file mode 100644
index 0000000000..bff7c1e000
--- /dev/null
+++ b/include/ftl/details/optional.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <optional>
+
+#include <ftl/details/type_traits.h>
+
+namespace android::ftl {
+
+template <typename>
+struct Optional;
+
+namespace details {
+
+template <typename>
+struct is_optional : std::false_type {};
+
+template <typename T>
+struct is_optional<std::optional<T>> : std::true_type {};
+
+template <typename T>
+struct is_optional<Optional<T>> : std::true_type {};
+
+template <typename F, typename T>
+struct transform_result {
+  using type = Optional<std::remove_cv_t<std::invoke_result_t<F, T>>>;
+};
+
+template <typename F, typename T>
+using transform_result_t = typename transform_result<F, T>::type;
+
+template <typename F, typename T>
+struct and_then_result {
+  using type = remove_cvref_t<std::invoke_result_t<F, T>>;
+  static_assert(is_optional<type>{}, "and_then function must return an optional");
+};
+
+template <typename F, typename T>
+using and_then_result_t = typename and_then_result<F, T>::type;
+
+}  // namespace details
+}  // namespace android::ftl
diff --git a/include/ftl/details/type_traits.h b/include/ftl/details/type_traits.h
new file mode 100644
index 0000000000..47bebc5114
--- /dev/null
+++ b/include/ftl/details/type_traits.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <type_traits>
+
+namespace android::ftl::details {
+
+// TODO: Replace with std::remove_cvref_t in C++20.
+template <typename U>
+using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
+
+template <typename T>
+constexpr bool is_bool_v = std::is_same_v<remove_cvref_t<T>, bool>;
+
+template <typename T>
+constexpr bool is_char_v = std::is_same_v<remove_cvref_t<T>, char>;
+
+}  // namespace android::ftl::details
diff --git a/include/ftl/enum.h b/include/ftl/enum.h
index 82af1d6cf8..075d12bd17 100644
--- a/include/ftl/enum.h
+++ b/include/ftl/enum.h
@@ -92,7 +92,7 @@ inline constexpr bool is_scoped_enum_v = is_scoped_enum<T>::value;
 //   enum class E { A, B, C };
 //   static_assert(ftl::to_underlying(E::B) == 1);
 //
-template <typename E>
+template <typename E, typename = std::enable_if_t<std::is_enum_v<E>>>
 constexpr auto to_underlying(E v) {
   return static_cast<std::underlying_type_t<E>>(v);
 }
diff --git a/include/ftl/flags.h b/include/ftl/flags.h
index 70aaa0e6dd..cdb4e840a4 100644
--- a/include/ftl/flags.h
+++ b/include/ftl/flags.h
@@ -125,7 +125,7 @@ public:
     /* Tests whether all of the given flags are set */
     bool all(Flags<F> f) const { return (mFlags & f.mFlags) == f.mFlags; }
 
-    Flags<F> operator|(Flags<F> rhs) const { return static_cast<F>(mFlags | rhs.mFlags); }
+    constexpr Flags<F> operator|(Flags<F> rhs) const { return static_cast<F>(mFlags | rhs.mFlags); }
     Flags<F>& operator|=(Flags<F> rhs) {
         mFlags = mFlags | rhs.mFlags;
         return *this;
@@ -217,7 +217,7 @@ inline Flags<F> operator~(F f) {
 }
 
 template <typename F, typename = std::enable_if_t<is_scoped_enum_v<F>>>
-Flags<F> operator|(F lhs, F rhs) {
+constexpr Flags<F> operator|(F lhs, F rhs) {
     return static_cast<F>(to_underlying(lhs) | to_underlying(rhs));
 }
 
diff --git a/include/ftl/match.h b/include/ftl/match.h
new file mode 100644
index 0000000000..7318c45b7b
--- /dev/null
+++ b/include/ftl/match.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utility>
+#include <variant>
+
+#include <ftl/details/match.h>
+
+namespace android::ftl {
+
+// Concise alternative to std::visit that compiles to branches rather than a dispatch table. For
+// std::variant<T0, ..., TN> where N is small, this is slightly faster since the branches can be
+// inlined unlike the function pointers.
+//
+//   using namespace std::chrono;
+//   std::variant<seconds, minutes, hours> duration = 119min;
+//
+//   // Mutable match.
+//   ftl::match(duration, [](auto& d) { ++d; });
+//
+//   // Immutable match. Exhaustive due to minutes being convertible to seconds.
+//   assert("2 hours"s ==
+//          ftl::match(duration,
+//                     [](const seconds& s) {
+//                       const auto h = duration_cast<hours>(s);
+//                       return std::to_string(h.count()) + " hours"s;
+//                     },
+//                     [](const hours& h) { return std::to_string(h.count() / 24) + " days"s; }));
+//
+template <typename... Ts, typename... Ms>
+decltype(auto) match(std::variant<Ts...>& variant, Ms&&... matchers) {
+  const auto matcher = details::Matcher{std::forward<Ms>(matchers)...};
+  static_assert(details::is_exhaustive_match_v<decltype(matcher), Ts&...>, "Non-exhaustive match");
+
+  return details::Match<Ts...>::match(variant, matcher);
+}
+
+template <typename... Ts, typename... Ms>
+decltype(auto) match(const std::variant<Ts...>& variant, Ms&&... matchers) {
+  const auto matcher = details::Matcher{std::forward<Ms>(matchers)...};
+  static_assert(details::is_exhaustive_match_v<decltype(matcher), const Ts&...>,
+                "Non-exhaustive match");
+
+  return details::Match<Ts...>::match(variant, matcher);
+}
+
+}  // namespace android::ftl
diff --git a/include/ftl/mixins.h b/include/ftl/mixins.h
new file mode 100644
index 0000000000..0e1d2004a3
--- /dev/null
+++ b/include/ftl/mixins.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <ftl/details/mixins.h>
+
+namespace android::ftl {
+
+// CRTP mixins for defining type-safe wrappers that are distinct from their underlying type. Common
+// uses are IDs, opaque handles, and physical quantities. The constructor is provided by (and must
+// be inherited from) the `Constructible` mixin, whereas operators (equality, ordering, arithmetic,
+// etc.) are enabled through inheritance:
+//
+//   struct Id : ftl::Constructible<Id, std::int32_t>, ftl::Equatable<Id> {
+//     using Constructible::Constructible;
+//   };
+//
+//   static_assert(!std::is_default_constructible_v<Id>);
+//
+// Unlike `Constructible`, `DefaultConstructible` allows default construction. The default value is
+// zero-initialized unless specified:
+//
+//   struct Color : ftl::DefaultConstructible<Color, std::uint8_t>,
+//                  ftl::Equatable<Color>,
+//                  ftl::Orderable<Color> {
+//     using DefaultConstructible::DefaultConstructible;
+//   };
+//
+//   static_assert(Color() == Color(0u));
+//   static_assert(ftl::to_underlying(Color(-1)) == 255u);
+//   static_assert(Color(1u) < Color(2u));
+//
+//   struct Sequence : ftl::DefaultConstructible<Sequence, std::int8_t, -1>,
+//                     ftl::Equatable<Sequence>,
+//                     ftl::Orderable<Sequence>,
+//                     ftl::Incrementable<Sequence> {
+//     using DefaultConstructible::DefaultConstructible;
+//   };
+//
+//   static_assert(Sequence() == Sequence(-1));
+//
+// The underlying type need not be a fundamental type:
+//
+//   struct Timeout : ftl::DefaultConstructible<Timeout, std::chrono::seconds, 10>,
+//                    ftl::Equatable<Timeout>,
+//                    ftl::Addable<Timeout> {
+//     using DefaultConstructible::DefaultConstructible;
+//   };
+//
+//   using namespace std::chrono_literals;
+//   static_assert(Timeout() + Timeout(5s) == Timeout(15s));
+//
+template <typename Self, typename T>
+struct Constructible {
+  explicit constexpr Constructible(T value) : value_(value) {}
+
+  explicit constexpr operator const T&() const { return value_; }
+
+ private:
+  template <typename, template <typename> class>
+  friend class details::Mixin;
+
+  T value_;
+};
+
+template <typename Self, typename T, auto kDefault = T{}>
+struct DefaultConstructible : Constructible<Self, T> {
+  using Constructible<Self, T>::Constructible;
+  constexpr DefaultConstructible() : DefaultConstructible(T{kDefault}) {}
+};
+
+// Shorthand for casting a type-safe wrapper to its underlying value.
+template <typename Self, typename T>
+constexpr const T& to_underlying(const Constructible<Self, T>& c) {
+  return static_cast<const T&>(c);
+}
+
+// Comparison operators for equality.
+template <typename Self>
+struct Equatable : details::Mixin<Self, Equatable> {
+  constexpr bool operator==(const Self& other) const {
+    return to_underlying(this->self()) == to_underlying(other);
+  }
+
+  constexpr bool operator!=(const Self& other) const { return !(*this == other); }
+};
+
+// Comparison operators for ordering.
+template <typename Self>
+struct Orderable : details::Mixin<Self, Orderable> {
+  constexpr bool operator<(const Self& other) const {
+    return to_underlying(this->self()) < to_underlying(other);
+  }
+
+  constexpr bool operator>(const Self& other) const { return other < this->self(); }
+  constexpr bool operator>=(const Self& other) const { return !(*this < other); }
+  constexpr bool operator<=(const Self& other) const { return !(*this > other); }
+};
+
+// Pre-increment and post-increment operators.
+template <typename Self>
+struct Incrementable : details::Mixin<Self, Incrementable> {
+  constexpr Self& operator++() {
+    ++this->mut();
+    return this->self();
+  }
+
+  constexpr Self operator++(int) {
+    const Self tmp = this->self();
+    operator++();
+    return tmp;
+  }
+};
+
+// Additive operators, including incrementing.
+template <typename Self>
+struct Addable : details::Mixin<Self, Addable>, Incrementable<Self> {
+  constexpr Self& operator+=(const Self& other) {
+    this->mut() += to_underlying(other);
+    return this->self();
+  }
+
+  constexpr Self operator+(const Self& other) const {
+    Self tmp = this->self();
+    return tmp += other;
+  }
+
+ private:
+  using Base = details::Mixin<Self, Addable>;
+  using Base::mut;
+  using Base::self;
+};
+
+}  // namespace android::ftl
diff --git a/include/ftl/non_null.h b/include/ftl/non_null.h
new file mode 100644
index 0000000000..35d09d71de
--- /dev/null
+++ b/include/ftl/non_null.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdlib>
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+// Enforces and documents non-null pre/post-condition for (raw or smart) pointers.
+//
+//   void get_length(const ftl::NonNull<std::shared_ptr<std::string>>& string_ptr,
+//                   ftl::NonNull<std::size_t*> length_ptr) {
+//     // No need for `nullptr` checks.
+//     *length_ptr = string_ptr->length();
+//   }
+//
+//   const auto string_ptr = ftl::as_non_null(std::make_shared<std::string>("android"));
+//   std::size_t size;
+//   get_length(string_ptr, ftl::as_non_null(&size));
+//   assert(size == 7u);
+//
+// For compatibility with std::unique_ptr<T> and performance with std::shared_ptr<T>, move
+// operations are allowed despite breaking the invariant:
+//
+//   using Pair = std::pair<ftl::NonNull<std::shared_ptr<int>>, std::shared_ptr<int>>;
+//
+//   Pair dupe_if(ftl::NonNull<std::unique_ptr<int>> non_null_ptr, bool condition) {
+//     // Move the underlying pointer out, so `non_null_ptr` must not be accessed after this point.
+//     auto unique_ptr = std::move(non_null_ptr).take();
+//
+//     auto non_null_shared_ptr = ftl::as_non_null(std::shared_ptr<int>(std::move(unique_ptr)));
+//     auto nullable_shared_ptr = condition ? non_null_shared_ptr.get() : nullptr;
+//
+//     return {std::move(non_null_shared_ptr), std::move(nullable_shared_ptr)};
+//   }
+//
+//   auto ptr = ftl::as_non_null(std::make_unique<int>(42));
+//   const auto [ptr1, ptr2] = dupe_if(std::move(ptr), true);
+//   assert(ptr1.get() == ptr2);
+//
+template <typename Pointer>
+class NonNull final {
+  struct Passkey {};
+
+ public:
+  // Disallow `nullptr` explicitly for clear compilation errors.
+  NonNull() = delete;
+  NonNull(std::nullptr_t) = delete;
+
+  // Copy operations.
+
+  constexpr NonNull(const NonNull&) = default;
+  constexpr NonNull& operator=(const NonNull&) = default;
+
+  constexpr const Pointer& get() const { return pointer_; }
+  constexpr explicit operator const Pointer&() const { return get(); }
+
+  // Move operations. These break the invariant, so care must be taken to avoid subsequent access.
+
+  constexpr NonNull(NonNull&&) = default;
+  constexpr NonNull& operator=(NonNull&&) = default;
+
+  constexpr Pointer take() && { return std::move(pointer_); }
+  constexpr explicit operator Pointer() && { return take(); }
+
+  // Dereferencing.
+  constexpr decltype(auto) operator*() const { return *get(); }
+  constexpr decltype(auto) operator->() const { return get(); }
+
+  // Private constructor for ftl::as_non_null. Excluded from candidate constructors for conversions
+  // through the passkey idiom, for clear compilation errors.
+  template <typename P>
+  constexpr NonNull(Passkey, P&& pointer) : pointer_(std::forward<P>(pointer)) {
+    if (!pointer_) std::abort();
+  }
+
+ private:
+  template <typename P>
+  friend constexpr auto as_non_null(P&&) -> NonNull<std::decay_t<P>>;
+
+  Pointer pointer_;
+};
+
+template <typename P>
+constexpr auto as_non_null(P&& pointer) -> NonNull<std::decay_t<P>> {
+  using Passkey = typename NonNull<std::decay_t<P>>::Passkey;
+  return {Passkey{}, std::forward<P>(pointer)};
+}
+
+template <typename P, typename Q>
+constexpr bool operator==(const NonNull<P>& lhs, const NonNull<Q>& rhs) {
+  return lhs.get() == rhs.get();
+}
+
+template <typename P, typename Q>
+constexpr bool operator!=(const NonNull<P>& lhs, const NonNull<Q>& rhs) {
+  return !operator==(lhs, rhs);
+}
+
+}  // namespace android::ftl
diff --git a/include/ftl/optional.h b/include/ftl/optional.h
new file mode 100644
index 0000000000..a818128c92
--- /dev/null
+++ b/include/ftl/optional.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <optional>
+#include <utility>
+
+#include <ftl/details/optional.h>
+
+namespace android::ftl {
+
+// Superset of std::optional<T> with monadic operations, as proposed in https://wg21.link/P0798R8.
+//
+// TODO: Remove in C++23.
+//
+template <typename T>
+struct Optional final : std::optional<T> {
+  using std::optional<T>::optional;
+
+  // Implicit downcast.
+  Optional(std::optional<T> other) : std::optional<T>(std::move(other)) {}
+
+  using std::optional<T>::has_value;
+  using std::optional<T>::value;
+
+  // Returns Optional<U> where F is a function that maps T to U.
+  template <typename F>
+  constexpr auto transform(F&& f) const& {
+    using R = details::transform_result_t<F, decltype(value())>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) & {
+    using R = details::transform_result_t<F, decltype(value())>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) const&& {
+    using R = details::transform_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), std::move(value())));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) && {
+    using R = details::transform_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), std::move(value())));
+    return R();
+  }
+
+  // Returns Optional<U> where F is a function that maps T to Optional<U>.
+  template <typename F>
+  constexpr auto and_then(F&& f) const& {
+    using R = details::and_then_result_t<F, decltype(value())>;
+    if (has_value()) return std::invoke(std::forward<F>(f), value());
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) & {
+    using R = details::and_then_result_t<F, decltype(value())>;
+    if (has_value()) return std::invoke(std::forward<F>(f), value());
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) const&& {
+    using R = details::and_then_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return std::invoke(std::forward<F>(f), std::move(value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) && {
+    using R = details::and_then_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return std::invoke(std::forward<F>(f), std::move(value()));
+    return R();
+  }
+
+  // Delete new for this class. Its base doesn't have a virtual destructor, and
+  // if it got deleted via base class pointer, it would cause undefined
+  // behavior. There's not a good reason to allocate this object on the heap
+  // anyway.
+  static void* operator new(size_t) = delete;
+  static void* operator new[](size_t) = delete;
+
+};
+
+template <typename T, typename U>
+constexpr bool operator==(const Optional<T>& lhs, const Optional<U>& rhs) {
+  return static_cast<std::optional<T>>(lhs) == static_cast<std::optional<U>>(rhs);
+}
+
+template <typename T, typename U>
+constexpr bool operator!=(const Optional<T>& lhs, const Optional<U>& rhs) {
+  return !(lhs == rhs);
+}
+
+// Deduction guides.
+template <typename T>
+Optional(T) -> Optional<T>;
+
+template <typename T>
+Optional(std::optional<T>) -> Optional<T>;
+
+}  // namespace android::ftl
diff --git a/include/ftl/shared_mutex.h b/include/ftl/shared_mutex.h
new file mode 100644
index 0000000000..146f5ba4a9
--- /dev/null
+++ b/include/ftl/shared_mutex.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <shared_mutex>
+
+namespace android::ftl {
+
+// Wrapper around std::shared_mutex to provide capabilities for thread-safety
+// annotations.
+// TODO(b/257958323): This class is no longer needed once b/135688034 is fixed (currently blocked on
+// b/175635923).
+class [[clang::capability("shared_mutex")]] SharedMutex final {
+ public:
+  [[clang::acquire_capability()]] void lock() {
+    mutex_.lock();
+  }
+  [[clang::release_capability()]] void unlock() {
+    mutex_.unlock();
+  }
+
+  [[clang::acquire_shared_capability()]] void lock_shared() {
+    mutex_.lock_shared();
+  }
+  [[clang::release_shared_capability()]] void unlock_shared() {
+    mutex_.unlock_shared();
+  }
+
+ private:
+  std::shared_mutex mutex_;
+};
+
+}  // namespace android::ftl
diff --git a/include/ftl/small_map.h b/include/ftl/small_map.h
index 5217e76064..49cde7fedc 100644
--- a/include/ftl/small_map.h
+++ b/include/ftl/small_map.h
@@ -17,11 +17,11 @@
 #pragma once
 
 #include <ftl/initializer_list.h>
+#include <ftl/optional.h>
 #include <ftl/small_vector.h>
 
 #include <algorithm>
 #include <functional>
-#include <optional>
 #include <type_traits>
 #include <utility>
 
@@ -47,7 +47,7 @@ namespace android::ftl {
 //   assert(!map.dynamic());
 //
 //   assert(map.contains(123));
-//   assert(map.get(42, [](const std::string& s) { return s.size(); }) == 3u);
+//   assert(map.get(42).transform([](const std::string& s) { return s.size(); }) == 3u);
 //
 //   const auto opt = map.get(-1);
 //   assert(opt);
@@ -59,7 +59,7 @@ namespace android::ftl {
 //   map.emplace_or_replace(0, "vanilla", 2u, 3u);
 //   assert(map.dynamic());
 //
-//   assert(map == SmallMap(ftl::init::map(-1, "xyz")(0, "nil")(42, "???")(123, "abc")));
+//   assert(map == SmallMap(ftl::init::map(-1, "xyz"sv)(0, "nil"sv)(42, "???"sv)(123, "abc"sv)));
 //
 template <typename K, typename V, std::size_t N, typename KeyEqual = std::equal_to<K>>
 class SmallMap final {
@@ -123,9 +123,7 @@ class SmallMap final {
   const_iterator cend() const { return map_.cend(); }
 
   // Returns whether a mapping exists for the given key.
-  bool contains(const key_type& key) const {
-    return get(key, [](const mapped_type&) {});
-  }
+  bool contains(const key_type& key) const { return get(key).has_value(); }
 
   // Returns a reference to the value for the given key, or std::nullopt if the key was not found.
   //
@@ -139,46 +137,24 @@ class SmallMap final {
   //   ref.get() = 'D';
   //   assert(d == 'D');
   //
-  auto get(const key_type& key) const -> std::optional<std::reference_wrapper<const mapped_type>> {
-    return get(key, [](const mapped_type& v) { return std::cref(v); });
-  }
-
-  auto get(const key_type& key) -> std::optional<std::reference_wrapper<mapped_type>> {
-    return get(key, [](mapped_type& v) { return std::ref(v); });
+  auto get(const key_type& key) const -> Optional<std::reference_wrapper<const mapped_type>> {
+    for (const auto& [k, v] : *this) {
+      if (KeyEqual{}(k, key)) {
+        return std::cref(v);
+      }
+    }
+    return {};
   }
 
-  // Returns the result R of a unary operation F on (a constant or mutable reference to) the value
-  // for the given key, or std::nullopt if the key was not found. If F has a return type of void,
-  // then the Boolean result indicates whether the key was found.
-  //
-  //   ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-  //
-  //   assert(map.get('c', [](char c) { return std::toupper(c); }) == 'Z');
-  //   assert(map.get('c', [](char& c) { c = std::toupper(c); }));
-  //
-  template <typename F, typename R = std::invoke_result_t<F, const mapped_type&>>
-  auto get(const key_type& key, F f) const
-      -> std::conditional_t<std::is_void_v<R>, bool, std::optional<R>> {
+  auto get(const key_type& key) -> Optional<std::reference_wrapper<mapped_type>> {
     for (auto& [k, v] : *this) {
       if (KeyEqual{}(k, key)) {
-        if constexpr (std::is_void_v<R>) {
-          f(v);
-          return true;
-        } else {
-          return f(v);
-        }
+        return std::ref(v);
       }
     }
-
     return {};
   }
 
-  template <typename F>
-  auto get(const key_type& key, F f) {
-    return std::as_const(*this).get(
-        key, [&f](const mapped_type& v) { return f(const_cast<mapped_type&>(v)); });
-  }
-
   // Returns an iterator to an existing mapping for the given key, or the end() iterator otherwise.
   const_iterator find(const key_type& key) const { return const_cast<SmallMap&>(*this).find(key); }
   iterator find(const key_type& key) { return find(key, begin()); }
@@ -286,7 +262,7 @@ bool operator==(const SmallMap<K, V, N, E>& lhs, const SmallMap<Q, W, M, E>& rhs
 
   for (const auto& [k, v] : lhs) {
     const auto& lv = v;
-    if (!rhs.get(k, [&lv](const auto& rv) { return lv == rv; }).value_or(false)) {
+    if (!rhs.get(k).transform([&lv](const W& rv) { return lv == rv; }).value_or(false)) {
       return false;
     }
   }
diff --git a/include/ftl/small_vector.h b/include/ftl/small_vector.h
index 339726e4ea..11294c3ac8 100644
--- a/include/ftl/small_vector.h
+++ b/include/ftl/small_vector.h
@@ -21,11 +21,12 @@
 
 #include <algorithm>
 #include <iterator>
-#include <type_traits>
 #include <utility>
 #include <variant>
 #include <vector>
 
+#include <ftl/details/type_traits.h>
+
 namespace android::ftl {
 
 template <typename>
@@ -80,10 +81,6 @@ class SmallVector final : details::ArrayTraits<T>, details::ArrayComparators<Sma
   using Static = StaticVector<T, N>;
   using Dynamic = SmallVector<T, 0>;
 
-  // TODO: Replace with std::remove_cvref_t in C++20.
-  template <typename U>
-  using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
-
  public:
   FTL_ARRAY_TRAIT(T, value_type);
   FTL_ARRAY_TRAIT(T, size_type);
@@ -104,7 +101,7 @@ class SmallVector final : details::ArrayTraits<T>, details::ArrayComparators<Sma
 
   // Constructs at most N elements. See StaticVector for underlying constructors.
   template <typename Arg, typename... Args,
-            typename = std::enable_if_t<!is_small_vector<remove_cvref_t<Arg>>{}>>
+            typename = std::enable_if_t<!is_small_vector<details::remove_cvref_t<Arg>>{}>>
   SmallVector(Arg&& arg, Args&&... args)
       : vector_(std::in_place_type<Static>, std::forward<Arg>(arg), std::forward<Args>(args)...) {}
 
diff --git a/include/ftl/unit.h b/include/ftl/unit.h
new file mode 100644
index 0000000000..e38230b976
--- /dev/null
+++ b/include/ftl/unit.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+// The unit type, and its only value.
+constexpr struct Unit {
+} unit;
+
+constexpr bool operator==(Unit, Unit) {
+  return true;
+}
+
+constexpr bool operator!=(Unit, Unit) {
+  return false;
+}
+
+// Adapts a function object F to return Unit. The return value of F is ignored.
+//
+// As a practical use, the function passed to ftl::Optional<T>::transform is not allowed to return
+// void (cf. https://wg21.link/P0798R8#mapping-functions-returning-void), but may return Unit if
+// only its side effects are meaningful:
+//
+//   ftl::Optional opt = "food"s;
+//   opt.transform(ftl::unit_fn([](std::string& str) { str.pop_back(); }));
+//   assert(opt == "foo"s);
+//
+template <typename F>
+struct UnitFn {
+  F f;
+
+  template <typename... Args>
+  Unit operator()(Args&&... args) {
+    return f(std::forward<Args>(args)...), unit;
+  }
+};
+
+template <typename F>
+constexpr auto unit_fn(F&& f) -> UnitFn<std::decay_t<F>> {
+  return {std::forward<F>(f)};
+}
+
+}  // namespace android::ftl
diff --git a/include/input/DisplayViewport.h b/include/input/DisplayViewport.h
index 9148fee532..7457496784 100644
--- a/include/input/DisplayViewport.h
+++ b/include/input/DisplayViewport.h
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_DISPLAY_VIEWPORT_H
-#define _LIBINPUT_DISPLAY_VIEWPORT_H
+#pragma once
 
 #include <android-base/stringprintf.h>
 #include <ftl/enum.h>
 #include <ftl/string.h>
 #include <gui/constants.h>
 #include <input/Input.h>
+#include <ui/Rotation.h>
 
 #include <cinttypes>
 #include <optional>
@@ -30,13 +30,6 @@ using android::base::StringPrintf;
 
 namespace android {
 
-enum {
-    DISPLAY_ORIENTATION_0 = 0,
-    DISPLAY_ORIENTATION_90 = 1,
-    DISPLAY_ORIENTATION_180 = 2,
-    DISPLAY_ORIENTATION_270 = 3
-};
-
 /**
  * Describes the different type of viewports supported by input flinger.
  * Keep in sync with values in InputManagerService.java.
@@ -55,7 +48,7 @@ enum class ViewportType : int32_t {
  */
 struct DisplayViewport {
     int32_t displayId; // -1 if invalid
-    int32_t orientation;
+    ui::Rotation orientation;
     int32_t logicalLeft;
     int32_t logicalTop;
     int32_t logicalRight;
@@ -75,7 +68,7 @@ struct DisplayViewport {
 
     DisplayViewport()
           : displayId(ADISPLAY_ID_NONE),
-            orientation(DISPLAY_ORIENTATION_0),
+            orientation(ui::ROTATION_0),
             logicalLeft(0),
             logicalTop(0),
             logicalRight(0),
@@ -112,7 +105,7 @@ struct DisplayViewport {
 
     void setNonDisplayViewport(int32_t width, int32_t height) {
         displayId = ADISPLAY_ID_NONE;
-        orientation = DISPLAY_ORIENTATION_0;
+        orientation = ui::ROTATION_0;
         logicalLeft = 0;
         logicalTop = 0;
         logicalRight = width;
@@ -144,5 +137,3 @@ struct DisplayViewport {
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_DISPLAY_VIEWPORT_H
diff --git a/include/input/Input.h b/include/input/Input.h
index 7ea297049b..015efdd064 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_H
-#define _LIBINPUT_INPUT_H
+#pragma once
 
 #pragma GCC system_header
 
@@ -210,6 +209,8 @@ std::string inputEventSourceToString(int32_t source);
 
 bool isFromSource(uint32_t source, uint32_t test);
 
+bool isStylusToolType(uint32_t toolType);
+
 /*
  * Flags that flow alongside events in the input dispatch system to help with certain
  * policy decisions such as waking from device sleep.
@@ -290,6 +291,10 @@ enum class MotionClassification : uint8_t {
      * The current gesture likely represents a user intentionally exerting force on the touchscreen.
      */
     DEEP_PRESS = AMOTION_EVENT_CLASSIFICATION_DEEP_PRESS,
+    /**
+     * The current gesture represents the user swiping with two fingers on a touchpad.
+     */
+    TWO_FINGER_SWIPE = AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE,
 };
 
 /**
@@ -363,7 +368,7 @@ struct PointerCoords {
 
     // Values of axes that are stored in this structure packed in order by axis id
     // for each axis that is present in the structure according to 'bits'.
-    float values[MAX_AXES];
+    std::array<float, MAX_AXES> values;
 
     inline void clear() {
         BitSet64::clear(bits);
@@ -403,7 +408,8 @@ struct PointerCoords {
         return !(*this == other);
     }
 
-    void copyFrom(const PointerCoords& other);
+    inline void copyFrom(const PointerCoords& other) { *this = other; }
+    PointerCoords& operator=(const PointerCoords&) = default;
 
 private:
     void tooManyAxes(int axis);
@@ -571,7 +577,7 @@ public:
 
     inline const ui::Transform& getTransform() const { return mTransform; }
 
-    int getSurfaceRotation() const;
+    std::optional<ui::Rotation> getSurfaceRotation() const;
 
     inline float getXPrecision() const { return mXPrecision; }
 
@@ -1061,6 +1067,46 @@ public:
     uint32_t seq;
 };
 
-} // namespace android
+/* Pointer icon styles.
+ * Must match the definition in android.view.PointerIcon.
+ *
+ * Due to backwards compatibility and public api constraints, this is a duplicate (but type safe)
+ * definition of PointerIcon.java.
+ *
+ * TODO(b/235023317) move this definition to an aidl and statically assign to the below java public
+ * api values.
+ *
+ * WARNING: Keep these definitions in sync with
+ * frameworks/base/core/java/android/view/PointerIcon.java
+ */
+enum class PointerIconStyle : int32_t {
+    TYPE_CUSTOM = -1,
+    TYPE_NULL = 0,
+    TYPE_ARROW = 1000,
+    TYPE_CONTEXT_MENU = 1001,
+    TYPE_HAND = 1002,
+    TYPE_HELP = 1003,
+    TYPE_WAIT = 1004,
+    TYPE_CELL = 1006,
+    TYPE_CROSSHAIR = 1007,
+    TYPE_TEXT = 1008,
+    TYPE_VERTICAL_TEXT = 1009,
+    TYPE_ALIAS = 1010,
+    TYPE_COPY = 1011,
+    TYPE_NO_DROP = 1012,
+    TYPE_ALL_SCROLL = 1013,
+    TYPE_HORIZONTAL_DOUBLE_ARROW = 1014,
+    TYPE_VERTICAL_DOUBLE_ARROW = 1015,
+    TYPE_TOP_RIGHT_DOUBLE_ARROW = 1016,
+    TYPE_TOP_LEFT_DOUBLE_ARROW = 1017,
+    TYPE_ZOOM_IN = 1018,
+    TYPE_ZOOM_OUT = 1019,
+    TYPE_GRAB = 1020,
+    TYPE_GRABBING = 1021,
+
+    TYPE_SPOT_HOVER = 2000,
+    TYPE_SPOT_TOUCH = 2001,
+    TYPE_SPOT_ANCHOR = 2002,
+};
 
-#endif // _LIBINPUT_INPUT_H
+} // namespace android
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 3585392c2b..e911734407 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -14,15 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_DEVICE_H
-#define _LIBINPUT_INPUT_DEVICE_H
+#pragma once
 
 #include <android/sensor.h>
+#include <ftl/flags.h>
 #include <input/Input.h>
 #include <input/KeyCharacterMap.h>
 #include <unordered_map>
 #include <vector>
 
+#include <android/os/IInputConstants.h>
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
 namespace android {
 
 /*
@@ -55,6 +58,9 @@ struct InputDeviceIdentifier {
     // reuse values that are not associated with an input anymore.
     uint16_t nonce;
 
+    // The bluetooth address of the device, if known.
+    std::optional<std::string> bluetoothAddress;
+
     /**
      * Return InputDeviceIdentifier.name that has been adjusted as follows:
      *     - all characters besides alphanumerics, dash,
@@ -104,12 +110,18 @@ enum class InputDeviceSensorReportingMode : int32_t {
 };
 
 enum class InputDeviceLightType : int32_t {
-    MONO = 0,
+    INPUT = 0,
     PLAYER_ID = 1,
-    RGB = 2,
-    MULTI_COLOR = 3,
+    KEYBOARD_BACKLIGHT = 2,
+
+    ftl_last = KEYBOARD_BACKLIGHT
+};
 
-    ftl_last = MULTI_COLOR
+enum class InputDeviceLightCapability : uint32_t {
+    /** Capability to change brightness of the light */
+    BRIGHTNESS = 0x00000001,
+    /** Capability to change color of the light */
+    RGB = 0x00000002,
 };
 
 struct InputDeviceSensorInfo {
@@ -170,14 +182,17 @@ struct InputDeviceSensorInfo {
 
 struct InputDeviceLightInfo {
     explicit InputDeviceLightInfo(std::string name, int32_t id, InputDeviceLightType type,
+                                  ftl::Flags<InputDeviceLightCapability> capabilityFlags,
                                   int32_t ordinal)
-          : name(name), id(id), type(type), ordinal(ordinal) {}
+          : name(name), id(id), type(type), capabilityFlags(capabilityFlags), ordinal(ordinal) {}
     // Name string of the light.
     std::string name;
     // Light id
     int32_t id;
     // Type of the light.
     InputDeviceLightType type;
+    // Light capabilities.
+    ftl::Flags<InputDeviceLightCapability> capabilityFlags;
     // Ordinal of the light
     int32_t ordinal;
 };
@@ -210,8 +225,10 @@ public:
     };
 
     void initialize(int32_t id, int32_t generation, int32_t controllerNumber,
-            const InputDeviceIdentifier& identifier, const std::string& alias, bool isExternal,
-            bool hasMic);
+                    const InputDeviceIdentifier& identifier, const std::string& alias,
+                    bool isExternal, bool hasMic,
+                    hardware::input::InputDeviceCountryCode countryCode =
+                            hardware::input::InputDeviceCountryCode::INVALID);
 
     inline int32_t getId() const { return mId; }
     inline int32_t getControllerNumber() const { return mControllerNumber; }
@@ -223,6 +240,7 @@ public:
     }
     inline bool isExternal() const { return mIsExternal; }
     inline bool hasMic() const { return mHasMic; }
+    inline hardware::input::InputDeviceCountryCode getCountryCode() const { return mCountryCode; }
     inline uint32_t getSources() const { return mSources; }
 
     const MotionRange* getMotionRange(int32_t axis, uint32_t source) const;
@@ -266,6 +284,9 @@ public:
 
     std::vector<InputDeviceLightInfo> getLights();
 
+    inline void setSupportsUsi(bool supportsUsi) { mSupportsUsi = supportsUsi; }
+    inline bool supportsUsi() const { return mSupportsUsi; }
+
 private:
     int32_t mId;
     int32_t mGeneration;
@@ -274,9 +295,13 @@ private:
     std::string mAlias;
     bool mIsExternal;
     bool mHasMic;
+    hardware::input::InputDeviceCountryCode mCountryCode;
     uint32_t mSources;
     int32_t mKeyboardType;
     std::shared_ptr<KeyCharacterMap> mKeyCharacterMap;
+    // Whether this device supports the Universal Stylus Initiative (USI) protocol for styluses.
+    bool mSupportsUsi;
+
     bool mHasVibrator;
     bool mHasBattery;
     bool mHasButtonUnderPad;
@@ -325,6 +350,8 @@ extern std::string getInputDeviceConfigurationFilePathByName(
         const std::string& name, InputDeviceConfigurationFileType type);
 
 enum ReservedInputDeviceId : int32_t {
+    // Device id representing an invalid device
+    INVALID_INPUT_DEVICE_ID = android::os::IInputConstants::INVALID_INPUT_DEVICE_ID,
     // Device id of a special "virtual" keyboard that is always present.
     VIRTUAL_KEYBOARD_ID = -1,
     // Device id of the "built-in" keyboard if there is one.
@@ -334,5 +361,3 @@ enum ReservedInputDeviceId : int32_t {
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_INPUT_DEVICE_H
diff --git a/include/input/InputEventLabels.h b/include/input/InputEventLabels.h
index 2a742f9cf4..b4374acdcc 100644
--- a/include/input/InputEventLabels.h
+++ b/include/input/InputEventLabels.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_EVENT_LABELS_H
-#define _LIBINPUT_INPUT_EVENT_LABELS_H
+#pragma once
 
 #include <input/Input.h>
 #include <android/keycodes.h>
@@ -68,4 +67,3 @@ private:
 };
 
 } // namespace android
-#endif // _LIBINPUT_INPUT_EVENT_LABELS_H
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index 5f9a37d69c..1c52792cf6 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_TRANSPORT_H
-#define _LIBINPUT_INPUT_TRANSPORT_H
+#pragma once
 
 #pragma GCC system_header
 
@@ -452,8 +451,11 @@ private:
  */
 class InputConsumer {
 public:
-    /* Creates a consumer associated with an input channel. */
+    /* Create a consumer associated with an input channel. */
     explicit InputConsumer(const std::shared_ptr<InputChannel>& channel);
+    /* Create a consumer associated with an input channel, override resampling system property */
+    explicit InputConsumer(const std::shared_ptr<InputChannel>& channel,
+                           bool enableTouchResampling);
 
     /* Destroys the consumer and releases its input channel. */
     ~InputConsumer();
@@ -671,5 +673,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_INPUT_TRANSPORT_H
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index f6f8939b7a..867a08955c 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEY_CHARACTER_MAP_H
-#define _LIBINPUT_KEY_CHARACTER_MAP_H
+#pragma once
 
 #include <stdint.h>
+#include <list>
 
 #ifdef __linux__
 #include <binder/IBinder.h>
@@ -125,14 +125,21 @@ public:
     bool getEvents(int32_t deviceId, const char16_t* chars, size_t numChars,
             Vector<KeyEvent>& outEvents) const;
 
+    /* Maps an Android key code to another Android key code. This mapping is applied after scanCode
+     * and usageCodes are mapped to corresponding Android Keycode */
+    void addKeyRemapping(int32_t fromKeyCode, int32_t toKeyCode);
+
     /* Maps a scan code and usage code to a key code, in case this key map overrides
      * the mapping in some way. */
     status_t mapKey(int32_t scanCode, int32_t usageCode, int32_t* outKeyCode) const;
 
-    /* Tries to find a replacement key code for a given key code and meta state
-     * in character map. */
-    void tryRemapKey(int32_t scanCode, int32_t metaState,
-            int32_t* outKeyCode, int32_t* outMetaState) const;
+    /* Returns keycode after applying Android key code remapping defined in mKeyRemapping */
+    int32_t applyKeyRemapping(int32_t fromKeyCode) const;
+
+    /* Returns the <keyCode, metaState> pair after applying key behavior defined in the kcm file,
+     * that tries to find a replacement key code based on current meta state */
+    std::pair<int32_t /*keyCode*/, int32_t /*metaState*/> applyKeyBehavior(int32_t keyCode,
+                                                                           int32_t metaState) const;
 
 #ifdef __linux__
     /* Reads a key map from a parcel. */
@@ -152,29 +159,22 @@ public:
 
 private:
     struct Behavior {
-        Behavior();
-        Behavior(const Behavior& other);
-
-        /* The next behavior in the list, or NULL if none. */
-        Behavior* next;
-
         /* The meta key modifiers for this behavior. */
-        int32_t metaState;
+        int32_t metaState = 0;
 
         /* The character to insert. */
-        char16_t character;
+        char16_t character = 0;
 
         /* The fallback keycode if the key is not handled. */
-        int32_t fallbackKeyCode;
+        int32_t fallbackKeyCode = 0;
 
         /* The replacement keycode if the key has to be replaced outright. */
-        int32_t replacementKeyCode;
+        int32_t replacementKeyCode = 0;
     };
 
     struct Key {
         Key();
         Key(const Key& other);
-        ~Key();
 
         /* The single character label printed on the key, or 0 if none. */
         char16_t label;
@@ -184,7 +184,7 @@ private:
 
         /* The list of key behaviors sorted from most specific to least specific
          * meta key binding. */
-        Behavior* firstBehavior;
+        std::list<Behavior> behaviors;
     };
 
     class Parser {
@@ -234,14 +234,14 @@ private:
     std::string mLoadFileName;
     bool mLayoutOverlayApplied;
 
-    KeyedVector<int32_t, int32_t> mKeysByScanCode;
-    KeyedVector<int32_t, int32_t> mKeysByUsageCode;
+    std::map<int32_t /* fromAndroidKeyCode */, int32_t /* toAndroidKeyCode */> mKeyRemapping;
+    std::map<int32_t /* fromScanCode */, int32_t /* toAndroidKeyCode */> mKeysByScanCode;
+    std::map<int32_t /* fromHidUsageCode */, int32_t /* toAndroidKeyCode */> mKeysByUsageCode;
 
     KeyCharacterMap(const std::string& filename);
 
     bool getKey(int32_t keyCode, const Key** outKey) const;
-    bool getKeyBehavior(int32_t keyCode, int32_t metaState,
-            const Key** outKey, const Behavior** outBehavior) const;
+    const Behavior* getKeyBehavior(int32_t keyCode, int32_t metaState) const;
     static bool matchesMetaState(int32_t eventMetaState, int32_t behaviorMetaState);
 
     bool findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMetaState) const;
@@ -277,5 +277,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_CHARACTER_MAP_H
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index 1da78aa0c1..e203d190a6 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEY_LAYOUT_MAP_H
-#define _LIBINPUT_KEY_LAYOUT_MAP_H
+#pragma once
 
 #include <android-base/result.h>
 #include <stdint.h>
@@ -78,7 +77,7 @@ public:
     std::optional<AxisInfo> mapAxis(int32_t scanCode) const;
     const std::string getLoadFileName() const;
     // Return pair of sensor type and sensor data index, for the input device abs code
-    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode);
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode) const;
 
     virtual ~KeyLayoutMap();
 
@@ -131,5 +130,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_LAYOUT_MAP_H
diff --git a/include/input/Keyboard.h b/include/input/Keyboard.h
index 9a3e15f1cd..f7f960f8e6 100644
--- a/include/input/Keyboard.h
+++ b/include/input/Keyboard.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEYBOARD_H
-#define _LIBINPUT_KEYBOARD_H
+#pragma once
 
 #include <input/Input.h>
 #include <input/InputDevice.h>
@@ -88,5 +87,3 @@ extern int32_t normalizeMetaState(int32_t oldMetaState);
 extern bool isMetaKey(int32_t keyCode);
 
 } // namespace android
-
-#endif // _LIBINPUT_KEYBOARD_H
diff --git a/include/input/PrintTools.h b/include/input/PrintTools.h
index 55f730b287..e24344b3f1 100644
--- a/include/input/PrintTools.h
+++ b/include/input/PrintTools.h
@@ -24,16 +24,20 @@
 namespace android {
 
 template <typename T>
-std::string constToString(const T& v) {
+inline std::string constToString(const T& v) {
     return std::to_string(v);
 }
 
+inline std::string constToString(const std::string& s) {
+    return s;
+}
+
 /**
  * Convert an optional type to string.
  */
 template <typename T>
-std::string toString(const std::optional<T>& optional,
-                     std::string (*toString)(const T&) = constToString) {
+inline std::string toString(const std::optional<T>& optional,
+                            std::string (*toString)(const T&) = constToString) {
     return optional ? toString(*optional) : "<not set>";
 }
 
diff --git a/include/input/PropertyMap.h b/include/input/PropertyMap.h
index 451918bb46..28e4816afe 100644
--- a/include/input/PropertyMap.h
+++ b/include/input/PropertyMap.h
@@ -14,14 +14,11 @@
  * limitations under the License.
  */
 
-#ifndef _UTILS_PROPERTY_MAP_H
-#define _UTILS_PROPERTY_MAP_H
+#pragma once
 
 #include <android-base/result.h>
-#include <utils/Errors.h>
-#include <utils/KeyedVector.h>
-#include <utils/String8.h>
 #include <utils/Tokenizer.h>
+#include <unordered_map>
 
 namespace android {
 
@@ -58,30 +55,27 @@ public:
     /* Adds a property.
      * Replaces the property with the same key if it is already present.
      */
-    void addProperty(const String8& key, const String8& value);
-
-    /* Returns true if the property map contains the specified key. */
-    bool hasProperty(const String8& key) const;
+    void addProperty(const std::string& key, const std::string& value);
 
     /* Gets the value of a property and parses it.
      * Returns true and sets outValue if the key was found and its value was parsed successfully.
      * Otherwise returns false and does not modify outValue.  (Also logs a warning.)
      */
-    bool tryGetProperty(const String8& key, String8& outValue) const;
-    bool tryGetProperty(const String8& key, bool& outValue) const;
-    bool tryGetProperty(const String8& key, int32_t& outValue) const;
-    bool tryGetProperty(const String8& key, float& outValue) const;
+    bool tryGetProperty(const std::string& key, std::string& outValue) const;
+    bool tryGetProperty(const std::string& key, bool& outValue) const;
+    bool tryGetProperty(const std::string& key, int32_t& outValue) const;
+    bool tryGetProperty(const std::string& key, float& outValue) const;
 
     /* Adds all values from the specified property map. */
     void addAll(const PropertyMap* map);
 
-    /* Gets the underlying property map. */
-    inline const KeyedVector<String8, String8>& getProperties() const { return mProperties; }
-
     /* Loads a property map from a file. */
     static android::base::Result<std::unique_ptr<PropertyMap>> load(const char* filename);
 
 private:
+    /* Returns true if the property map contains the specified key. */
+    bool hasProperty(const std::string& key) const;
+
     class Parser {
         PropertyMap* mMap;
         Tokenizer* mTokenizer;
@@ -95,13 +89,11 @@ private:
         status_t parseType();
         status_t parseKey();
         status_t parseKeyProperty();
-        status_t parseModifier(const String8& token, int32_t* outMetaState);
+        status_t parseModifier(const std::string& token, int32_t* outMetaState);
         status_t parseCharacterLiteral(char16_t* outCharacter);
     };
 
-    KeyedVector<String8, String8> mProperties;
+    std::unordered_map<std::string, std::string> mProperties;
 };
 
 } // namespace android
-
-#endif // _UTILS_PROPERTY_MAP_H
diff --git a/include/input/TouchVideoFrame.h b/include/input/TouchVideoFrame.h
index eda628e233..1e4f6e7a4c 100644
--- a/include/input/TouchVideoFrame.h
+++ b/include/input/TouchVideoFrame.h
@@ -14,8 +14,9 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_TOUCHVIDEOFRAME_H
-#define _LIBINPUT_TOUCHVIDEOFRAME_H
+#pragma once
+
+#include <ui/Rotation.h>
 
 #include <stdint.h>
 #include <sys/time.h>
@@ -59,7 +60,7 @@ public:
      * Rotate the video frame.
      * The rotation value is an enum from ui/Rotation.h
      */
-    void rotate(int32_t orientation);
+    void rotate(ui::Rotation orientation);
 
 private:
     uint32_t mHeight;
@@ -75,5 +76,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_TOUCHVIDEOFRAME_H
diff --git a/include/input/VelocityControl.h b/include/input/VelocityControl.h
index 1acc2aef70..f3c201e7c4 100644
--- a/include/input/VelocityControl.h
+++ b/include/input/VelocityControl.h
@@ -14,13 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VELOCITY_CONTROL_H
-#define _LIBINPUT_VELOCITY_CONTROL_H
+#pragma once
 
+#include <android-base/stringprintf.h>
 #include <input/Input.h>
 #include <input/VelocityTracker.h>
 #include <utils/Timers.h>
 
+using android::base::StringPrintf;
+
 namespace android {
 
 /*
@@ -70,6 +72,12 @@ struct VelocityControlParameters {
             scale(scale), lowThreshold(lowThreshold),
             highThreshold(highThreshold), acceleration(acceleration) {
     }
+
+    std::string dump() const {
+        return StringPrintf("scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, "
+                            "acceleration=%0.3f\n",
+                            scale, lowThreshold, highThreshold, acceleration);
+    }
 };
 
 /*
@@ -79,6 +87,9 @@ class VelocityControl {
 public:
     VelocityControl();
 
+    /* Gets the various parameters. */
+    VelocityControlParameters& getParameters();
+
     /* Sets the various parameters. */
     void setParameters(const VelocityControlParameters& parameters);
 
@@ -98,10 +109,8 @@ private:
     VelocityControlParameters mParameters;
 
     nsecs_t mLastMovementTime;
-    VelocityTracker::Position mRawPosition;
+    float mRawPositionX, mRawPositionY;
     VelocityTracker mVelocityTracker;
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_VELOCITY_CONTROL_H
diff --git a/include/input/VelocityTracker.h b/include/input/VelocityTracker.h
index 886f1f7753..62c3ae15ce 100644
--- a/include/input/VelocityTracker.h
+++ b/include/input/VelocityTracker.h
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VELOCITY_TRACKER_H
-#define _LIBINPUT_VELOCITY_TRACKER_H
+#pragma once
 
 #include <input/Input.h>
 #include <utils/BitSet.h>
 #include <utils/Timers.h>
+#include <map>
+#include <set>
 
 namespace android {
 
@@ -46,18 +47,14 @@ public:
         MAX = LEGACY,
     };
 
-    struct Position {
-        float x, y;
-    };
-
     struct Estimator {
         static const size_t MAX_DEGREE = 4;
 
         // Estimator time base.
         nsecs_t time;
 
-        // Polynomial coefficients describing motion in X and Y.
-        float xCoeff[MAX_DEGREE + 1], yCoeff[MAX_DEGREE + 1];
+        // Polynomial coefficients describing motion.
+        float coeff[MAX_DEGREE + 1];
 
         // Polynomial degree (number of coefficients), or zero if no information is
         // available.
@@ -71,18 +68,47 @@ public:
             degree = 0;
             confidence = 0;
             for (size_t i = 0; i <= MAX_DEGREE; i++) {
-                xCoeff[i] = 0;
-                yCoeff[i] = 0;
+                coeff[i] = 0;
+            }
+        }
+    };
+
+    /*
+     * Contains all available velocity data from a VelocityTracker.
+     */
+    struct ComputedVelocity {
+        inline std::optional<float> getVelocity(int32_t axis, uint32_t id) const {
+            const auto& axisVelocities = mVelocities.find(axis);
+            if (axisVelocities == mVelocities.end()) {
+                return {};
             }
+
+            const auto& axisIdVelocity = axisVelocities->second.find(id);
+            if (axisIdVelocity == axisVelocities->second.end()) {
+                return {};
+            }
+
+            return axisIdVelocity->second;
         }
+
+        inline void addVelocity(int32_t axis, uint32_t id, float velocity) {
+            mVelocities[axis][id] = velocity;
+        }
+
+    private:
+        std::map<int32_t /*axis*/, std::map<int32_t /*pointerId*/, float /*velocity*/>> mVelocities;
     };
 
-    // Creates a velocity tracker using the specified strategy.
+    // Creates a velocity tracker using the specified strategy for each supported axis.
     // If strategy is not provided, uses the default strategy for the platform.
+    // TODO(b/32830165): support axis-specific strategies.
     VelocityTracker(const Strategy strategy = Strategy::DEFAULT);
 
     ~VelocityTracker();
 
+    /** Return true if the axis is supported for velocity tracking, false otherwise. */
+    static bool isAxisSupported(int32_t axis);
+
     // Resets the velocity tracker state.
     void clear();
 
@@ -92,47 +118,57 @@ public:
     void clearPointers(BitSet32 idBits);
 
     // Adds movement information for a set of pointers.
-    // The idBits bitfield specifies the pointer ids of the pointers whose positions
+    // The idBits bitfield specifies the pointer ids of the pointers whose data points
     // are included in the movement.
-    // The positions array contains position information for each pointer in order by
-    // increasing id.  Its size should be equal to the number of one bits in idBits.
-    void addMovement(nsecs_t eventTime, BitSet32 idBits, const std::vector<Position>& positions);
+    // The positions map contains a mapping of an axis to positions array.
+    // The positions arrays contain information for each pointer in order by increasing id.
+    // Each array's size should be equal to the number of one bits in idBits.
+    void addMovement(nsecs_t eventTime, BitSet32 idBits,
+                     const std::map<int32_t, std::vector<float>>& positions);
 
     // Adds movement information for all pointers in a MotionEvent, including historical samples.
     void addMovement(const MotionEvent* event);
 
-    // Gets the velocity of the specified pointer id in position units per second.
-    // Returns false and sets the velocity components to zero if there is
-    // insufficient movement information for the pointer.
-    bool getVelocity(uint32_t id, float* outVx, float* outVy) const;
+    // Returns the velocity of the specified pointer id and axis in position units per second.
+    // Returns empty optional if there is insufficient movement information for the pointer, or if
+    // the given axis is not supported for velocity tracking.
+    std::optional<float> getVelocity(int32_t axis, uint32_t id) const;
+
+    // Returns a ComputedVelocity instance with all available velocity data, using the given units
+    // (reference: units == 1 means "per millisecond"), and clamping each velocity between
+    // [-maxVelocity, maxVelocity], inclusive.
+    ComputedVelocity getComputedVelocity(int32_t units, float maxVelocity);
 
-    // Gets an estimator for the recent movements of the specified pointer id.
+    // Gets an estimator for the recent movements of the specified pointer id for the given axis.
     // Returns false and clears the estimator if there is no information available
     // about the pointer.
-    bool getEstimator(uint32_t id, Estimator* outEstimator) const;
+    bool getEstimator(int32_t axis, uint32_t id, Estimator* outEstimator) const;
 
     // Gets the active pointer id, or -1 if none.
     inline int32_t getActivePointerId() const { return mActivePointerId; }
 
-    // Gets a bitset containing all pointer ids from the most recent movement.
-    inline BitSet32 getCurrentPointerIdBits() const { return mCurrentPointerIdBits; }
-
 private:
-    // The default velocity tracker strategy.
-    // Although other strategies are available for testing and comparison purposes,
-    // this is the strategy that applications will actually use.  Be very careful
-    // when adjusting the default strategy because it can dramatically affect
-    // (often in a bad way) the user experience.
-    static const Strategy DEFAULT_STRATEGY = Strategy::LSQ2;
-
     nsecs_t mLastEventTime;
     BitSet32 mCurrentPointerIdBits;
     int32_t mActivePointerId;
-    std::unique_ptr<VelocityTrackerStrategy> mStrategy;
-
-    bool configureStrategy(const Strategy strategy);
 
-    static std::unique_ptr<VelocityTrackerStrategy> createStrategy(const Strategy strategy);
+    // An override strategy passed in the constructor to be used for all axes.
+    // This strategy will apply to all axes, unless the default strategy is specified here.
+    // When default strategy is specified, then each axis will use a potentially different strategy
+    // based on a hardcoded mapping.
+    const Strategy mOverrideStrategy;
+    // Maps axes to their respective VelocityTrackerStrategy instances.
+    // Note that, only axes that have had MotionEvents (and not all supported axes) will be here.
+    std::map<int32_t /*axis*/, std::unique_ptr<VelocityTrackerStrategy>> mConfiguredStrategies;
+
+    void configureStrategy(int32_t axis);
+
+    // Generates a VelocityTrackerStrategy instance for the given Strategy type.
+    // The `deltaValues` parameter indicates whether or not the created strategy should treat motion
+    // values as deltas (and not as absolute values). This the parameter is applicable only for
+    // strategies that support differential axes.
+    static std::unique_ptr<VelocityTrackerStrategy> createStrategy(const Strategy strategy,
+                                                                   bool deltaValues);
 };
 
 
@@ -146,10 +182,9 @@ protected:
 public:
     virtual ~VelocityTrackerStrategy() { }
 
-    virtual void clear() = 0;
     virtual void clearPointers(BitSet32 idBits) = 0;
     virtual void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                             const std::vector<VelocityTracker::Position>& positions) = 0;
+                             const std::vector<float>& positions) = 0;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const = 0;
 };
 
@@ -178,10 +213,9 @@ public:
     LeastSquaresVelocityTrackerStrategy(uint32_t degree, Weighting weighting = WEIGHTING_NONE);
     virtual ~LeastSquaresVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -196,11 +230,9 @@ private:
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
     float chooseWeight(uint32_t index) const;
@@ -221,10 +253,9 @@ public:
     IntegratingVelocityTrackerStrategy(uint32_t degree);
     ~IntegratingVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -233,16 +264,15 @@ private:
         nsecs_t updateTime;
         uint32_t degree;
 
-        float xpos, xvel, xaccel;
-        float ypos, yvel, yaccel;
+        float pos, vel, accel;
     };
 
     const uint32_t mDegree;
     BitSet32 mPointerIdBits;
     State mPointerState[MAX_POINTER_ID + 1];
 
-    void initState(State& state, nsecs_t eventTime, float xpos, float ypos) const;
-    void updateState(State& state, nsecs_t eventTime, float xpos, float ypos) const;
+    void initState(State& state, nsecs_t eventTime, float pos) const;
+    void updateState(State& state, nsecs_t eventTime, float pos) const;
     void populateEstimator(const State& state, VelocityTracker::Estimator* outEstimator) const;
 };
 
@@ -255,10 +285,9 @@ public:
     LegacyVelocityTrackerStrategy();
     virtual ~LegacyVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -274,11 +303,9 @@ private:
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
     uint32_t mIndex;
@@ -287,13 +314,12 @@ private:
 
 class ImpulseVelocityTrackerStrategy : public VelocityTrackerStrategy {
 public:
-    ImpulseVelocityTrackerStrategy();
+    ImpulseVelocityTrackerStrategy(bool deltaValues);
     virtual ~ImpulseVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -308,17 +334,18 @@ private:
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
+    // Whether or not the input movement values for the strategy come in the form of delta values.
+    // If the input values are not deltas, the strategy needs to calculate deltas as part of its
+    // velocity calculation.
+    const bool mDeltaValues;
+
     size_t mIndex;
     Movement mMovements[HISTORY_SIZE];
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_VELOCITY_TRACKER_H
diff --git a/include/input/VirtualKeyMap.h b/include/input/VirtualKeyMap.h
index 6e8e2c9cf4..a4381eaab9 100644
--- a/include/input/VirtualKeyMap.h
+++ b/include/input/VirtualKeyMap.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VIRTUAL_KEY_MAP_H
-#define _LIBINPUT_VIRTUAL_KEY_MAP_H
+#pragma once
 
 #include <stdint.h>
 
@@ -77,5 +76,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_CHARACTER_MAP_H
diff --git a/include/powermanager/PowerHalLoader.h b/include/powermanager/PowerHalLoader.h
index ed6f6f35f5..e0384f31db 100644
--- a/include/powermanager/PowerHalLoader.h
+++ b/include/powermanager/PowerHalLoader.h
@@ -19,6 +19,8 @@
 
 #include <android-base/thread_annotations.h>
 #include <android/hardware/power/1.1/IPower.h>
+#include <android/hardware/power/1.2/IPower.h>
+#include <android/hardware/power/1.3/IPower.h>
 #include <android/hardware/power/IPower.h>
 
 namespace android {
@@ -32,12 +34,16 @@ public:
     static sp<hardware::power::IPower> loadAidl();
     static sp<hardware::power::V1_0::IPower> loadHidlV1_0();
     static sp<hardware::power::V1_1::IPower> loadHidlV1_1();
+    static sp<hardware::power::V1_2::IPower> loadHidlV1_2();
+    static sp<hardware::power::V1_3::IPower> loadHidlV1_3();
 
 private:
     static std::mutex gHalMutex;
     static sp<hardware::power::IPower> gHalAidl GUARDED_BY(gHalMutex);
     static sp<hardware::power::V1_0::IPower> gHalHidlV1_0 GUARDED_BY(gHalMutex);
     static sp<hardware::power::V1_1::IPower> gHalHidlV1_1 GUARDED_BY(gHalMutex);
+    static sp<hardware::power::V1_2::IPower> gHalHidlV1_2 GUARDED_BY(gHalMutex);
+    static sp<hardware::power::V1_3::IPower> gHalHidlV1_3 GUARDED_BY(gHalMutex);
 
     static sp<hardware::power::V1_0::IPower> loadHidlV1_0Locked()
             EXCLUSIVE_LOCKS_REQUIRED(gHalMutex);
diff --git a/include/powermanager/PowerHalWrapper.h b/include/powermanager/PowerHalWrapper.h
index dfb0ff59a0..8028aa86e1 100644
--- a/include/powermanager/PowerHalWrapper.h
+++ b/include/powermanager/PowerHalWrapper.h
@@ -19,6 +19,8 @@
 
 #include <android-base/thread_annotations.h>
 #include <android/hardware/power/1.1/IPower.h>
+#include <android/hardware/power/1.2/IPower.h>
+#include <android/hardware/power/1.3/IPower.h>
 #include <android/hardware/power/Boost.h>
 #include <android/hardware/power/IPower.h>
 #include <android/hardware/power/IPowerHintSession.h>
@@ -142,8 +144,8 @@ public:
 // Wrapper for the HIDL Power HAL v1.0.
 class HidlHalWrapperV1_0 : public HalWrapper {
 public:
-    explicit HidlHalWrapperV1_0(sp<hardware::power::V1_0::IPower> Hal)
-          : mHandleV1_0(std::move(Hal)) {}
+    explicit HidlHalWrapperV1_0(sp<hardware::power::V1_0::IPower> handleV1_0)
+          : mHandleV1_0(std::move(handleV1_0)) {}
     virtual ~HidlHalWrapperV1_0() = default;
 
     virtual HalResult<void> setBoost(hardware::power::Boost boost, int32_t durationMs) override;
@@ -154,10 +156,10 @@ public:
     virtual HalResult<int64_t> getHintSessionPreferredRate() override;
 
 protected:
-    virtual HalResult<void> sendPowerHint(hardware::power::V1_0::PowerHint hintId, uint32_t data);
+    const sp<hardware::power::V1_0::IPower> mHandleV1_0;
+    virtual HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId, uint32_t data);
 
 private:
-    sp<hardware::power::V1_0::IPower> mHandleV1_0;
     HalResult<void> setInteractive(bool enabled);
     HalResult<void> setFeature(hardware::power::V1_0::Feature feature, bool enabled);
 };
@@ -165,17 +167,40 @@ private:
 // Wrapper for the HIDL Power HAL v1.1.
 class HidlHalWrapperV1_1 : public HidlHalWrapperV1_0 {
 public:
-    HidlHalWrapperV1_1(sp<hardware::power::V1_0::IPower> handleV1_0,
-                       sp<hardware::power::V1_1::IPower> handleV1_1)
-          : HidlHalWrapperV1_0(std::move(handleV1_0)), mHandleV1_1(std::move(handleV1_1)) {}
+    HidlHalWrapperV1_1(sp<hardware::power::V1_1::IPower> handleV1_1)
+          : HidlHalWrapperV1_0(std::move(handleV1_1)) {}
     virtual ~HidlHalWrapperV1_1() = default;
 
 protected:
-    virtual HalResult<void> sendPowerHint(hardware::power::V1_0::PowerHint hintId,
+    virtual HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId,
                                           uint32_t data) override;
+};
 
-private:
-    sp<hardware::power::V1_1::IPower> mHandleV1_1;
+// Wrapper for the HIDL Power HAL v1.2.
+class HidlHalWrapperV1_2 : public HidlHalWrapperV1_1 {
+public:
+    virtual HalResult<void> setBoost(hardware::power::Boost boost, int32_t durationMs) override;
+    virtual HalResult<void> setMode(hardware::power::Mode mode, bool enabled) override;
+    HidlHalWrapperV1_2(sp<hardware::power::V1_2::IPower> handleV1_2)
+          : HidlHalWrapperV1_1(std::move(handleV1_2)) {}
+    virtual ~HidlHalWrapperV1_2() = default;
+
+protected:
+    virtual HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId,
+                                          uint32_t data) override;
+};
+
+// Wrapper for the HIDL Power HAL v1.3.
+class HidlHalWrapperV1_3 : public HidlHalWrapperV1_2 {
+public:
+    virtual HalResult<void> setMode(hardware::power::Mode mode, bool enabled) override;
+    HidlHalWrapperV1_3(sp<hardware::power::V1_3::IPower> handleV1_3)
+          : HidlHalWrapperV1_2(std::move(handleV1_3)) {}
+    virtual ~HidlHalWrapperV1_3() = default;
+
+protected:
+    virtual HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId,
+                                          uint32_t data) override;
 };
 
 // Wrapper for the AIDL Power HAL.
diff --git a/libs/arect/include/android/rect.h b/libs/arect/include/android/rect.h
index b36728e934..d52861add0 100644
--- a/libs/arect/include/android/rect.h
+++ b/libs/arect/include/android/rect.h
@@ -57,7 +57,7 @@ typedef struct ARect {
 } ARect;
 
 #ifdef __cplusplus
-};
+}
 #endif
 
 #endif // ANDROID_RECT_H
diff --git a/libs/attestation/Android.bp b/libs/attestation/Android.bp
index 2bf15d45eb..fddecc0ceb 100644
--- a/libs/attestation/Android.bp
+++ b/libs/attestation/Android.bp
@@ -22,6 +22,7 @@ package {
 
 cc_library_static {
     name: "libattestation",
+    host_supported: true,
     cflags: [
         "-Wall",
         "-Wextra",
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 28369d6df0..f17bb7da14 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -321,10 +321,6 @@ cc_library {
     },
 
     afdo: true,
-
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 cc_library_static {
@@ -463,9 +459,7 @@ aidl_interface {
     local_include_dir: "aidl",
     host_supported: true,
     srcs: [
-        "aidl/android/content/pm/IPackageChangeObserver.aidl",
         "aidl/android/content/pm/IPackageManagerNative.aidl",
-        "aidl/android/content/pm/PackageChangeEvent.aidl",
         "aidl/android/content/pm/IStagedApexObserver.aidl",
         "aidl/android/content/pm/ApexStagedEvent.aidl",
         "aidl/android/content/pm/StagedApexInfo.aidl",
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index 7c99f76ec6..f8a8843309 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -17,7 +17,6 @@
 
 package android.content.pm;
 
-import android.content.pm.IPackageChangeObserver;
 import android.content.pm.IStagedApexObserver;
 import android.content.pm.StagedApexInfo;
 
@@ -92,18 +91,6 @@ interface IPackageManagerNative {
      */
     @utf8InCpp String getModuleMetadataPackageName();
 
-    /* Returns the names of all packages. */
-    @utf8InCpp String[] getAllPackages();
-
-    /** Register an extra package change observer to receive the multi-cast. */
-    void registerPackageChangeObserver(in IPackageChangeObserver observer);
-
-    /**
-     * Unregister an existing package change observer.
-     * This does nothing if this observer was not already registered.
-     */
-    void unregisterPackageChangeObserver(in IPackageChangeObserver observer);
-
     /**
      * Returns true if the package has the SHA 256 version of the signing certificate.
      * @see PackageManager#hasSigningCertificate(String, byte[], int), where type
diff --git a/libs/binder/include/binder/IInterface.h b/libs/binder/include/binder/IInterface.h
index 9f7e2c87b8..8cc8105ff9 100644
--- a/libs/binder/include/binder/IInterface.h
+++ b/libs/binder/include/binder/IInterface.h
@@ -219,80 +219,78 @@ inline IBinder* BpInterface<INTERFACE>::onAsBinder()
 
 namespace internal {
 constexpr const char* const kManualInterfaces[] = {
-  "android.app.IActivityManager",
-  "android.app.IUidObserver",
-  "android.drm.IDrm",
-  "android.dvr.IVsyncCallback",
-  "android.dvr.IVsyncService",
-  "android.gfx.tests.ICallback",
-  "android.gfx.tests.IIPCTest",
-  "android.gfx.tests.ISafeInterfaceTest",
-  "android.graphicsenv.IGpuService",
-  "android.gui.IConsumerListener",
-  "android.gui.IGraphicBufferConsumer",
-  "android.gui.ITransactionComposerListener",
-  "android.gui.SensorEventConnection",
-  "android.gui.SensorServer",
-  "android.hardware.ICamera",
-  "android.hardware.ICameraClient",
-  "android.hardware.ICameraRecordingProxy",
-  "android.hardware.ICameraRecordingProxyListener",
-  "android.hardware.ICrypto",
-  "android.hardware.IOMXObserver",
-  "android.hardware.IStreamListener",
-  "android.hardware.IStreamSource",
-  "android.media.IAudioService",
-  "android.media.IDataSource",
-  "android.media.IDrmClient",
-  "android.media.IMediaCodecList",
-  "android.media.IMediaDrmService",
-  "android.media.IMediaExtractor",
-  "android.media.IMediaExtractorService",
-  "android.media.IMediaHTTPConnection",
-  "android.media.IMediaHTTPService",
-  "android.media.IMediaLogService",
-  "android.media.IMediaMetadataRetriever",
-  "android.media.IMediaMetricsService",
-  "android.media.IMediaPlayer",
-  "android.media.IMediaPlayerClient",
-  "android.media.IMediaPlayerService",
-  "android.media.IMediaRecorder",
-  "android.media.IMediaRecorderClient",
-  "android.media.IMediaResourceMonitor",
-  "android.media.IMediaSource",
-  "android.media.IRemoteDisplay",
-  "android.media.IRemoteDisplayClient",
-  "android.media.IResourceManagerClient",
-  "android.media.IResourceManagerService",
-  "android.os.IComplexTypeInterface",
-  "android.os.IPermissionController",
-  "android.os.IPingResponder",
-  "android.os.IProcessInfoService",
-  "android.os.ISchedulingPolicyService",
-  "android.os.IStringConstants",
-  "android.os.storage.IObbActionListener",
-  "android.os.storage.IStorageEventListener",
-  "android.os.storage.IStorageManager",
-  "android.os.storage.IStorageShutdownObserver",
-  "android.service.vr.IPersistentVrStateCallbacks",
-  "android.service.vr.IVrManager",
-  "android.service.vr.IVrStateCallbacks",
-  "android.ui.ISurfaceComposer",
-  "android.ui.ISurfaceComposerClient",
-  "android.utils.IMemory",
-  "android.utils.IMemoryHeap",
-  "com.android.car.procfsinspector.IProcfsInspector",
-  "com.android.internal.app.IAppOpsCallback",
-  "com.android.internal.app.IAppOpsService",
-  "com.android.internal.app.IBatteryStats",
-  "com.android.internal.os.IResultReceiver",
-  "com.android.internal.os.IShellCallback",
-  "drm.IDrmManagerService",
-  "drm.IDrmServiceListener",
-  "IAAudioClient",
-  "IAAudioService",
-  "VtsFuzzer",
-  nullptr,
+        "android.app.IActivityManager",
+        "android.app.IUidObserver",
+        "android.drm.IDrm",
+        "android.dvr.IVsyncCallback",
+        "android.dvr.IVsyncService",
+        "android.gfx.tests.ICallback",
+        "android.gfx.tests.IIPCTest",
+        "android.gfx.tests.ISafeInterfaceTest",
+        "android.graphicsenv.IGpuService",
+        "android.gui.IConsumerListener",
+        "android.gui.IGraphicBufferConsumer",
+        "android.gui.SensorEventConnection",
+        "android.gui.SensorServer",
+        "android.hardware.ICamera",
+        "android.hardware.ICameraClient",
+        "android.hardware.ICameraRecordingProxy",
+        "android.hardware.ICameraRecordingProxyListener",
+        "android.hardware.ICrypto",
+        "android.hardware.IOMXObserver",
+        "android.hardware.IStreamListener",
+        "android.hardware.IStreamSource",
+        "android.media.IAudioService",
+        "android.media.IDataSource",
+        "android.media.IDrmClient",
+        "android.media.IMediaCodecList",
+        "android.media.IMediaDrmService",
+        "android.media.IMediaExtractor",
+        "android.media.IMediaExtractorService",
+        "android.media.IMediaHTTPConnection",
+        "android.media.IMediaHTTPService",
+        "android.media.IMediaLogService",
+        "android.media.IMediaMetadataRetriever",
+        "android.media.IMediaMetricsService",
+        "android.media.IMediaPlayer",
+        "android.media.IMediaPlayerClient",
+        "android.media.IMediaPlayerService",
+        "android.media.IMediaRecorder",
+        "android.media.IMediaRecorderClient",
+        "android.media.IMediaResourceMonitor",
+        "android.media.IMediaSource",
+        "android.media.IRemoteDisplay",
+        "android.media.IRemoteDisplayClient",
+        "android.media.IResourceManagerClient",
+        "android.media.IResourceManagerService",
+        "android.os.IComplexTypeInterface",
+        "android.os.IPermissionController",
+        "android.os.IPingResponder",
+        "android.os.IProcessInfoService",
+        "android.os.ISchedulingPolicyService",
+        "android.os.IStringConstants",
+        "android.os.storage.IObbActionListener",
+        "android.os.storage.IStorageEventListener",
+        "android.os.storage.IStorageManager",
+        "android.os.storage.IStorageShutdownObserver",
+        "android.service.vr.IPersistentVrStateCallbacks",
+        "android.service.vr.IVrManager",
+        "android.service.vr.IVrStateCallbacks",
+        "android.ui.ISurfaceComposer",
+        "android.utils.IMemory",
+        "android.utils.IMemoryHeap",
+        "com.android.car.procfsinspector.IProcfsInspector",
+        "com.android.internal.app.IAppOpsCallback",
+        "com.android.internal.app.IAppOpsService",
+        "com.android.internal.app.IBatteryStats",
+        "com.android.internal.os.IResultReceiver",
+        "com.android.internal.os.IShellCallback",
+        "drm.IDrmManagerService",
+        "drm.IDrmServiceListener",
+        "IAAudioClient",
+        "IAAudioService",
+        "VtsFuzzer",
+        nullptr,
 };
 
 constexpr const char* const kDownstreamManualInterfaces[] = {
diff --git a/libs/bufferqueueconverter/Android.bp b/libs/bufferqueueconverter/Android.bp
index c5d3a3207c..5f145a149d 100644
--- a/libs/bufferqueueconverter/Android.bp
+++ b/libs/bufferqueueconverter/Android.bp
@@ -22,6 +22,7 @@ cc_library_shared {
     double_loadable: true,
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "BufferQueueConverter.cpp",
     ],
 
diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index c010a2e58a..8e57152b49 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -14,12 +14,18 @@ cc_test {
         address: true,
     },
     srcs: [
+        "algorithm_test.cpp",
         "cast_test.cpp",
         "concat_test.cpp",
         "enum_test.cpp",
         "fake_guard_test.cpp",
         "flags_test.cpp",
         "future_test.cpp",
+        "match_test.cpp",
+        "mixins_test.cpp",
+        "non_null_test.cpp",
+        "optional_test.cpp",
+        "shared_mutex_test.cpp",
         "small_map_test.cpp",
         "small_vector_test.cpp",
         "static_vector_test.cpp",
diff --git a/libs/ftl/algorithm_test.cpp b/libs/ftl/algorithm_test.cpp
new file mode 100644
index 0000000000..8052caf642
--- /dev/null
+++ b/libs/ftl/algorithm_test.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/algorithm.h>
+#include <ftl/small_map.h>
+#include <ftl/static_vector.h>
+#include <gtest/gtest.h>
+
+#include <string_view>
+
+namespace android::test {
+
+// Keep in sync with example usage in header file.
+TEST(Algorithm, FindIf) {
+  using namespace std::string_view_literals;
+
+  const ftl::StaticVector vector = {"upside"sv, "down"sv, "cake"sv};
+  EXPECT_EQ(ftl::find_if(vector, [](const auto& str) { return str.front() == 'c'; }), "cake"sv);
+
+  const ftl::SmallMap map = ftl::init::map<int, ftl::StaticVector<std::string_view, 3>>(
+      12, "snow"sv, "cone"sv)(13, "tiramisu"sv)(14, "upside"sv, "down"sv, "cake"sv);
+
+  using Map = decltype(map);
+
+  EXPECT_EQ(14, ftl::find_if(map, [](const auto& pair) {
+                  return pair.second.size() == 3;
+                }).transform(ftl::to_key<Map>));
+
+  const auto opt = ftl::find_if(map, [](const auto& pair) {
+                     return pair.second.size() == 1;
+                   }).transform(ftl::to_mapped_ref<Map>);
+
+  ASSERT_TRUE(opt);
+  EXPECT_EQ(opt->get(), ftl::StaticVector("tiramisu"sv));
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/concat_test.cpp b/libs/ftl/concat_test.cpp
index 8ecb1b252d..771f05478a 100644
--- a/libs/ftl/concat_test.cpp
+++ b/libs/ftl/concat_test.cpp
@@ -28,8 +28,25 @@ TEST(Concat, Example) {
   EXPECT_EQ(string.c_str()[string.size()], '\0');
 }
 
+TEST(Concat, Characters) {
+  EXPECT_EQ(ftl::Concat(u'a', ' ', U'b').str(), "97 98");
+}
+
+TEST(Concat, References) {
+  int i[] = {-1, 2};
+  unsigned u = 3;
+  EXPECT_EQ(ftl::Concat(i[0], std::as_const(i[1]), u).str(), "-123");
+
+  const bool b = false;
+  const char c = 'o';
+  EXPECT_EQ(ftl::Concat(b, "tt", c).str(), "falsetto");
+}
+
 namespace {
 
+static_assert(ftl::Concat{true, false, true}.str() == "truefalsetrue");
+static_assert(ftl::Concat{':', '-', ')'}.str() == ":-)");
+
 static_assert(ftl::Concat{"foo"}.str() == "foo");
 static_assert(ftl::Concat{ftl::truncated<3>("foobar")}.str() == "foo");
 
diff --git a/libs/ftl/match_test.cpp b/libs/ftl/match_test.cpp
new file mode 100644
index 0000000000..a6cff2eed6
--- /dev/null
+++ b/libs/ftl/match_test.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/match.h>
+#include <gtest/gtest.h>
+
+#include <chrono>
+#include <string>
+#include <variant>
+
+namespace android::test {
+
+// Keep in sync with example usage in header file.
+TEST(Match, Example) {
+  using namespace std::chrono;
+  using namespace std::chrono_literals;
+  using namespace std::string_literals;
+
+  std::variant<seconds, minutes, hours> duration = 119min;
+
+  // Mutable match.
+  ftl::match(duration, [](auto& d) { ++d; });
+
+  // Immutable match. Exhaustive due to minutes being convertible to seconds.
+  EXPECT_EQ("2 hours"s,
+            ftl::match(
+                duration,
+                [](const seconds& s) {
+                  const auto h = duration_cast<hours>(s);
+                  return std::to_string(h.count()) + " hours"s;
+                },
+                [](const hours& h) { return std::to_string(h.count() / 24) + " days"s; }));
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/mixins_test.cpp b/libs/ftl/mixins_test.cpp
new file mode 100644
index 0000000000..2c9f9dfd8a
--- /dev/null
+++ b/libs/ftl/mixins_test.cpp
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/mixins.h>
+#include <gtest/gtest.h>
+
+#include <chrono>
+#include <functional>
+#include <type_traits>
+#include <utility>
+
+namespace android::test {
+namespace {
+
+// Keep in sync with example usage in header file.
+
+struct Id : ftl::Constructible<Id, std::int32_t>, ftl::Equatable<Id> {
+  using Constructible::Constructible;
+};
+
+static_assert(!std::is_default_constructible_v<Id>);
+
+struct Color : ftl::DefaultConstructible<Color, std::uint8_t>,
+               ftl::Equatable<Color>,
+               ftl::Orderable<Color> {
+  using DefaultConstructible::DefaultConstructible;
+};
+
+static_assert(Color() == Color(0u));
+static_assert(ftl::to_underlying(Color(-1)) == 255u);
+static_assert(Color(1u) < Color(2u));
+
+struct Sequence : ftl::DefaultConstructible<Sequence, std::int8_t, -1>,
+                  ftl::Equatable<Sequence>,
+                  ftl::Orderable<Sequence>,
+                  ftl::Incrementable<Sequence> {
+  using DefaultConstructible::DefaultConstructible;
+};
+
+static_assert(Sequence() == Sequence(-1));
+
+struct Timeout : ftl::DefaultConstructible<Timeout, std::chrono::seconds, 10>,
+                 ftl::Equatable<Timeout>,
+                 ftl::Addable<Timeout> {
+  using DefaultConstructible::DefaultConstructible;
+};
+
+using namespace std::chrono_literals;
+static_assert(Timeout() + Timeout(5s) == Timeout(15s));
+
+// Construction.
+constexpr Id kId{1234};
+constexpr Sequence kSequence;
+
+// Underlying value.
+static_assert(ftl::to_underlying(Id(-42)) == -42);
+static_assert(ftl::to_underlying(kSequence) == -1);
+
+// Casting.
+static_assert(static_cast<std::int32_t>(Id(-1)) == -1);
+static_assert(static_cast<std::int8_t>(kSequence) == -1);
+
+static_assert(!std::is_convertible_v<std::int32_t, Id>);
+static_assert(!std::is_convertible_v<Id, std::int32_t>);
+
+// Equality.
+static_assert(kId == Id(1234));
+static_assert(kId != Id(123));
+static_assert(kSequence == Sequence(-1));
+
+// Ordering.
+static_assert(Sequence(1) < Sequence(2));
+static_assert(Sequence(2) > Sequence(1));
+static_assert(Sequence(3) <= Sequence(4));
+static_assert(Sequence(4) >= Sequence(3));
+static_assert(Sequence(5) <= Sequence(5));
+static_assert(Sequence(6) >= Sequence(6));
+
+// Incrementing.
+template <typename Op, typename T, typename... Ts>
+constexpr auto mutable_op(Op op, T lhs, Ts... rhs) {
+  const T result = op(lhs, rhs...);
+  return std::make_pair(lhs, result);
+}
+
+static_assert(mutable_op([](auto& lhs) { return ++lhs; }, Sequence()) ==
+              std::make_pair(Sequence(0), Sequence(0)));
+
+static_assert(mutable_op([](auto& lhs) { return lhs++; }, Sequence()) ==
+              std::make_pair(Sequence(0), Sequence(-1)));
+
+// Addition.
+
+// `Addable` implies `Incrementable`.
+static_assert(mutable_op([](auto& lhs) { return ++lhs; }, Timeout()) ==
+              std::make_pair(Timeout(11s), Timeout(11s)));
+
+static_assert(mutable_op([](auto& lhs) { return lhs++; }, Timeout()) ==
+              std::make_pair(Timeout(11s), Timeout(10s)));
+
+static_assert(Timeout(5s) + Timeout(6s) == Timeout(11s));
+
+static_assert(mutable_op([](auto& lhs, const auto& rhs) { return lhs += rhs; }, Timeout(7s),
+                         Timeout(8s)) == std::make_pair(Timeout(15s), Timeout(15s)));
+
+// Type safety.
+
+namespace traits {
+
+template <typename, typename = void>
+struct is_incrementable : std::false_type {};
+
+template <typename T>
+struct is_incrementable<T, std::void_t<decltype(++std::declval<T&>())>> : std::true_type {};
+
+template <typename T>
+constexpr bool is_incrementable_v = is_incrementable<T>{};
+
+template <typename, typename, typename, typename = void>
+struct has_binary_op : std::false_type {};
+
+template <typename Op, typename T, typename U>
+struct has_binary_op<Op, T, U, std::void_t<decltype(Op{}(std::declval<T&>(), std::declval<U&>()))>>
+    : std::true_type {};
+
+template <typename T, typename U>
+constexpr bool is_equatable_v =
+    has_binary_op<std::equal_to<void>, T, U>{} && has_binary_op<std::not_equal_to<void>, T, U>{};
+
+template <typename T, typename U>
+constexpr bool is_orderable_v =
+    has_binary_op<std::less<void>, T, U>{} && has_binary_op<std::less_equal<void>, T, U>{} &&
+    has_binary_op<std::greater<void>, T, U>{} && has_binary_op<std::greater_equal<void>, T, U>{};
+
+template <typename T, typename U>
+constexpr bool is_addable_v = has_binary_op<std::plus<void>, T, U>{};
+
+}  // namespace traits
+
+struct Real : ftl::Constructible<Real, float> {
+  using Constructible::Constructible;
+};
+
+static_assert(traits::is_equatable_v<Id, Id>);
+static_assert(!traits::is_equatable_v<Real, Real>);
+static_assert(!traits::is_equatable_v<Id, Color>);
+static_assert(!traits::is_equatable_v<Sequence, Id>);
+static_assert(!traits::is_equatable_v<Id, std::int32_t>);
+static_assert(!traits::is_equatable_v<std::chrono::seconds, Timeout>);
+
+static_assert(traits::is_orderable_v<Color, Color>);
+static_assert(!traits::is_orderable_v<Id, Id>);
+static_assert(!traits::is_orderable_v<Real, Real>);
+static_assert(!traits::is_orderable_v<Color, Sequence>);
+static_assert(!traits::is_orderable_v<Color, std::uint8_t>);
+static_assert(!traits::is_orderable_v<std::chrono::seconds, Timeout>);
+
+static_assert(traits::is_incrementable_v<Sequence>);
+static_assert(traits::is_incrementable_v<Timeout>);
+static_assert(!traits::is_incrementable_v<Id>);
+static_assert(!traits::is_incrementable_v<Color>);
+static_assert(!traits::is_incrementable_v<Real>);
+
+static_assert(traits::is_addable_v<Timeout, Timeout>);
+static_assert(!traits::is_addable_v<Id, Id>);
+static_assert(!traits::is_addable_v<Real, Real>);
+static_assert(!traits::is_addable_v<Sequence, Sequence>);
+static_assert(!traits::is_addable_v<Timeout, Sequence>);
+static_assert(!traits::is_addable_v<Color, Timeout>);
+
+}  // namespace
+}  // namespace android::test
diff --git a/libs/ftl/non_null_test.cpp b/libs/ftl/non_null_test.cpp
new file mode 100644
index 0000000000..bd0462b3b6
--- /dev/null
+++ b/libs/ftl/non_null_test.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/non_null.h>
+#include <gtest/gtest.h>
+
+#include <memory>
+#include <string>
+#include <string_view>
+
+namespace android::test {
+namespace {
+
+void get_length(const ftl::NonNull<std::shared_ptr<std::string>>& string_ptr,
+                ftl::NonNull<std::size_t*> length_ptr) {
+  // No need for `nullptr` checks.
+  *length_ptr = string_ptr->length();
+}
+
+using Pair = std::pair<ftl::NonNull<std::shared_ptr<int>>, std::shared_ptr<int>>;
+
+Pair dupe_if(ftl::NonNull<std::unique_ptr<int>> non_null_ptr, bool condition) {
+  // Move the underlying pointer out, so `non_null_ptr` must not be accessed after this point.
+  auto unique_ptr = std::move(non_null_ptr).take();
+
+  auto non_null_shared_ptr = ftl::as_non_null(std::shared_ptr<int>(std::move(unique_ptr)));
+  auto nullable_shared_ptr = condition ? non_null_shared_ptr.get() : nullptr;
+
+  return {std::move(non_null_shared_ptr), std::move(nullable_shared_ptr)};
+}
+
+}  // namespace
+
+// Keep in sync with example usage in header file.
+TEST(NonNull, Example) {
+  const auto string_ptr = ftl::as_non_null(std::make_shared<std::string>("android"));
+  std::size_t size;
+  get_length(string_ptr, ftl::as_non_null(&size));
+  EXPECT_EQ(size, 7u);
+
+  auto ptr = ftl::as_non_null(std::make_unique<int>(42));
+  const auto [ptr1, ptr2] = dupe_if(std::move(ptr), true);
+  EXPECT_EQ(ptr1.get(), ptr2);
+}
+
+namespace {
+
+constexpr std::string_view kApple = "apple";
+constexpr std::string_view kOrange = "orange";
+
+using StringViewPtr = ftl::NonNull<const std::string_view*>;
+constexpr StringViewPtr kApplePtr = ftl::as_non_null(&kApple);
+constexpr StringViewPtr kOrangePtr = ftl::as_non_null(&kOrange);
+
+constexpr StringViewPtr longest(StringViewPtr ptr1, StringViewPtr ptr2) {
+  return ptr1->length() > ptr2->length() ? ptr1 : ptr2;
+}
+
+static_assert(longest(kApplePtr, kOrangePtr) == kOrangePtr);
+
+}  // namespace
+}  // namespace android::test
diff --git a/libs/ftl/optional_test.cpp b/libs/ftl/optional_test.cpp
new file mode 100644
index 0000000000..6b3b6c49e5
--- /dev/null
+++ b/libs/ftl/optional_test.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/optional.h>
+#include <ftl/static_vector.h>
+#include <ftl/string.h>
+#include <ftl/unit.h>
+#include <gtest/gtest.h>
+
+#include <cstdlib>
+#include <functional>
+#include <numeric>
+#include <utility>
+
+using namespace std::placeholders;
+using namespace std::string_literals;
+
+namespace android::test {
+
+using ftl::Optional;
+using ftl::StaticVector;
+
+TEST(Optional, Construct) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>());
+  EXPECT_EQ(std::nullopt, Optional<std::string>(std::nullopt));
+
+  // Value.
+  EXPECT_EQ('?', Optional('?'));
+  EXPECT_EQ(""s, Optional(std::string()));
+
+  // In place.
+  EXPECT_EQ("???"s, Optional<std::string>(std::in_place, 3u, '?'));
+  EXPECT_EQ("abc"s, Optional<std::string>(std::in_place, {'a', 'b', 'c'}));
+
+  // Implicit downcast.
+  {
+    Optional opt = std::optional("test"s);
+    static_assert(std::is_same_v<decltype(opt), Optional<std::string>>);
+
+    ASSERT_TRUE(opt);
+    EXPECT_EQ(opt.value(), "test"s);
+  }
+}
+
+TEST(Optional, Transform) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>().transform([](int) { return 0; }));
+
+  // By value.
+  EXPECT_EQ(0, Optional(0).transform([](int x) { return x; }));
+  EXPECT_EQ(100, Optional(99).transform([](int x) { return x + 1; }));
+  EXPECT_EQ("0b100"s, Optional(4).transform(std::bind(ftl::to_string<int>, _1, ftl::Radix::kBin)));
+
+  // By reference.
+  {
+    Optional opt = 'x';
+    EXPECT_EQ('z', opt.transform([](char& c) {
+      c = 'y';
+      return 'z';
+    }));
+
+    EXPECT_EQ('y', opt);
+  }
+
+  // By rvalue reference.
+  {
+    std::string out;
+    EXPECT_EQ("xyz"s, Optional("abc"s).transform([&out](std::string&& str) {
+      out = std::move(str);
+      return "xyz"s;
+    }));
+
+    EXPECT_EQ(out, "abc"s);
+  }
+
+  // No return value.
+  {
+    Optional opt = "food"s;
+    EXPECT_EQ(ftl::unit, opt.transform(ftl::unit_fn([](std::string& str) { str.pop_back(); })));
+    EXPECT_EQ(opt, "foo"s);
+  }
+
+  // Chaining.
+  EXPECT_EQ(14u, Optional(StaticVector{"upside"s, "down"s})
+                     .transform([](StaticVector<std::string, 3>&& v) {
+                       v.push_back("cake"s);
+                       return v;
+                     })
+                     .transform([](const StaticVector<std::string, 3>& v) {
+                       return std::accumulate(v.begin(), v.end(), std::string());
+                     })
+                     .transform([](const std::string& s) { return s.length(); }));
+}
+
+namespace {
+
+Optional<int> parse_int(const std::string& str) {
+  if (const int i = std::atoi(str.c_str())) return i;
+  return std::nullopt;
+}
+
+}  // namespace
+
+TEST(Optional, AndThen) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>().and_then([](int) -> Optional<int> { return 0; }));
+  EXPECT_EQ(std::nullopt, Optional<int>().and_then([](int) { return Optional<int>(); }));
+
+  // By value.
+  EXPECT_EQ(0, Optional(0).and_then([](int x) { return Optional(x); }));
+  EXPECT_EQ(123, Optional("123").and_then(parse_int));
+  EXPECT_EQ(std::nullopt, Optional("abc").and_then(parse_int));
+
+  // By reference.
+  {
+    Optional opt = 'x';
+    EXPECT_EQ('z', opt.and_then([](char& c) {
+      c = 'y';
+      return Optional('z');
+    }));
+
+    EXPECT_EQ('y', opt);
+  }
+
+  // By rvalue reference.
+  {
+    std::string out;
+    EXPECT_EQ("xyz"s, Optional("abc"s).and_then([&out](std::string&& str) {
+      out = std::move(str);
+      return Optional("xyz"s);
+    }));
+
+    EXPECT_EQ(out, "abc"s);
+  }
+
+  // Chaining.
+  using StringVector = StaticVector<std::string, 3>;
+  EXPECT_EQ(14u, Optional(StaticVector{"-"s, "1"s})
+                     .and_then([](StringVector&& v) -> Optional<StringVector> {
+                       if (v.push_back("4"s)) return v;
+                       return {};
+                     })
+                     .and_then([](const StringVector& v) -> Optional<std::string> {
+                       if (v.full()) return std::accumulate(v.begin(), v.end(), std::string());
+                       return {};
+                     })
+                     .and_then(parse_int)
+                     .and_then([](int i) {
+                       return i > 0 ? std::nullopt : std::make_optional(static_cast<unsigned>(-i));
+                     }));
+}
+
+// Comparison.
+namespace {
+
+constexpr Optional<int> kOptional1 = 1;
+constexpr Optional<int> kAnotherOptional1 = 1;
+constexpr Optional<int> kOptional2 = 2;
+constexpr Optional<int> kOptionalEmpty, kAnotherOptionalEmpty;
+
+constexpr std::optional<int> kStdOptional1 = 1;
+
+static_assert(kOptional1 == kAnotherOptional1);
+
+static_assert(kOptional1 != kOptional2);
+static_assert(kOptional2 != kOptional1);
+
+static_assert(kOptional1 != kOptionalEmpty);
+static_assert(kOptionalEmpty != kOptional1);
+
+static_assert(kOptionalEmpty == kAnotherOptionalEmpty);
+
+static_assert(kOptional1 == kStdOptional1);
+static_assert(kStdOptional1 == kOptional1);
+
+static_assert(kOptional2 != kStdOptional1);
+static_assert(kStdOptional1 != kOptional2);
+
+static_assert(kOptional2 != kOptionalEmpty);
+static_assert(kOptionalEmpty != kOptional2);
+
+} // namespace
+
+}  // namespace android::test
diff --git a/libs/ftl/shared_mutex_test.cpp b/libs/ftl/shared_mutex_test.cpp
new file mode 100644
index 0000000000..6da7061ae0
--- /dev/null
+++ b/libs/ftl/shared_mutex_test.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/shared_mutex.h>
+#include <gtest/gtest.h>
+#include <ftl/fake_guard.h>
+
+namespace android::test {
+
+TEST(SharedMutex, SharedLock) {
+  ftl::SharedMutex mutex;
+  std::shared_lock shared_lock(mutex);
+
+  { std::shared_lock shared_lock2(mutex); }
+}
+
+TEST(SharedMutex, ExclusiveLock) {
+  ftl::SharedMutex mutex;
+  std::unique_lock unique_lock(mutex);
+}
+
+TEST(SharedMutex, Annotations) {
+  struct {
+    void foo() FTL_ATTRIBUTE(requires_shared_capability(mutex)) { num++; }
+    void bar() FTL_ATTRIBUTE(requires_capability(mutex)) { num++; }
+    void baz() {
+      std::shared_lock shared_lock(mutex);
+      num++;
+    }
+    ftl::SharedMutex mutex;
+    int num = 0;
+
+  } s;
+
+  {
+    // TODO(b/257958323): Use an RAII class instead of locking manually.
+    s.mutex.lock_shared();
+    s.foo();
+    s.baz();
+    s.mutex.unlock_shared();
+  }
+  s.mutex.lock();
+  s.bar();
+  s.mutex.unlock();
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/small_map_test.cpp b/libs/ftl/small_map_test.cpp
index 1740a2b54c..634877f672 100644
--- a/libs/ftl/small_map_test.cpp
+++ b/libs/ftl/small_map_test.cpp
@@ -15,12 +15,15 @@
  */
 
 #include <ftl/small_map.h>
+#include <ftl/unit.h>
 #include <gtest/gtest.h>
 
 #include <cctype>
 #include <string>
+#include <string_view>
 
 using namespace std::string_literals;
+using namespace std::string_view_literals;
 
 namespace android::test {
 
@@ -38,7 +41,7 @@ TEST(SmallMap, Example) {
 
   EXPECT_TRUE(map.contains(123));
 
-  EXPECT_EQ(map.get(42, [](const std::string& s) { return s.size(); }), 3u);
+  EXPECT_EQ(map.get(42).transform([](const std::string& s) { return s.size(); }), 3u);
 
   const auto opt = map.get(-1);
   ASSERT_TRUE(opt);
@@ -50,7 +53,7 @@ TEST(SmallMap, Example) {
   map.emplace_or_replace(0, "vanilla", 2u, 3u);
   EXPECT_TRUE(map.dynamic());
 
-  EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz")(0, "nil")(42, "???")(123, "abc")));
+  EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz"sv)(0, "nil"sv)(42, "???"sv)(123, "abc"sv)));
 }
 
 TEST(SmallMap, Construct) {
@@ -70,7 +73,7 @@ TEST(SmallMap, Construct) {
     EXPECT_EQ(map.max_size(), 5u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc")(456, "def")(789, "ghi")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc"sv)(456, "def"sv)(789, "ghi"sv)));
   }
   {
     // In-place constructor with different types.
@@ -81,7 +84,7 @@ TEST(SmallMap, Construct) {
     EXPECT_EQ(map.max_size(), 5u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???")(123, "abc")(-1, "\0\0\0")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???"sv)(123, "abc"sv)(-1, ""sv)));
   }
   {
     // In-place constructor with implicit size.
@@ -92,7 +95,7 @@ TEST(SmallMap, Construct) {
     EXPECT_EQ(map.max_size(), 3u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "\0\0\0")(42, "???")(123, "abc")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(-1, ""sv)(42, "???"sv)(123, "abc"sv)));
   }
 }
 
@@ -108,7 +111,7 @@ TEST(SmallMap, Assign) {
   {
     // Convertible types; same capacity.
     SmallMap map1 = ftl::init::map<char, std::string>('M', "mega")('G', "giga");
-    const SmallMap map2 = ftl::init::map('T', "tera")('P', "peta");
+    const SmallMap map2 = ftl::init::map('T', "tera"sv)('P', "peta"sv);
 
     map1 = map2;
     EXPECT_EQ(map1, map2);
@@ -147,7 +150,7 @@ TEST(SmallMap, UniqueKeys) {
   }
 }
 
-TEST(SmallMap, Find) {
+TEST(SmallMap, Get) {
   {
     // Constant reference.
     const SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
@@ -172,14 +175,15 @@ TEST(SmallMap, Find) {
     EXPECT_EQ(d, 'D');
   }
   {
-    // Constant unary operation.
+    // Immutable transform operation.
     const SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-    EXPECT_EQ(map.get('c', [](char c) { return std::toupper(c); }), 'Z');
+    EXPECT_EQ(map.get('c').transform([](char c) { return std::toupper(c); }), 'Z');
   }
   {
-    // Mutable unary operation.
+    // Mutable transform operation.
     SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-    EXPECT_TRUE(map.get('c', [](char& c) { c = std::toupper(c); }));
+    EXPECT_EQ(map.get('c').transform(ftl::unit_fn([](char& c) { c = std::toupper(c); })),
+              ftl::unit);
 
     EXPECT_EQ(map, SmallMap(ftl::init::map('c', 'Z')('b', 'y')('a', 'x')));
   }
@@ -247,7 +251,7 @@ TEST(SmallMap, TryReplace) {
   }
   {
     // Replacement arguments can refer to the replaced mapping.
-    const auto ref = map.get(2, [](const auto& s) { return s.str[0]; });
+    const auto ref = map.get(2).transform([](const String& s) { return s.str[0]; });
     ASSERT_TRUE(ref);
 
     // Construct std::string from one character.
@@ -292,7 +296,7 @@ TEST(SmallMap, EmplaceOrReplace) {
   }
   {
     // Replacement arguments can refer to the replaced mapping.
-    const auto ref = map.get(2, [](const auto& s) { return s.str[0]; });
+    const auto ref = map.get(2).transform([](const String& s) { return s.str[0]; });
     ASSERT_TRUE(ref);
 
     // Construct std::string from one character.
diff --git a/libs/gralloc/types/Android.bp b/libs/gralloc/types/Android.bp
index f5af425fca..6d1dfe8124 100644
--- a/libs/gralloc/types/Android.bp
+++ b/libs/gralloc/types/Android.bp
@@ -23,6 +23,7 @@ package {
 
 cc_library {
     name: "libgralloctypes",
+    defaults: ["android.hardware.graphics.common-ndk_shared"],
     cflags: [
         "-Wall",
         "-Werror",
@@ -51,7 +52,6 @@ cc_library {
     ],
 
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
         "android.hardware.graphics.mapper@4.0",
         "libhidlbase",
         "liblog",
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index 2ac11746c3..a988e39de0 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -120,6 +120,12 @@ filegroup {
     path: "aidl/",
 }
 
+filegroup {
+    name: "libgui_frame_event_aidl",
+    srcs: ["aidl/android/gui/FrameEvent.aidl"],
+    path: "aidl/",
+}
+
 cc_library_static {
     name: "libgui_aidl_static",
     vendor_available: true,
@@ -136,16 +142,24 @@ cc_library_static {
         "include",
     ],
 
+    include_dirs: [
+        "frameworks/native/include",
+    ],
+
     export_shared_lib_headers: [
         "libbinder",
     ],
 
     static_libs: [
         "libui-types",
+        "libgui_window_info_static",
     ],
 
     aidl: {
         export_aidl_headers: true,
+        include_dirs: [
+            "frameworks/native/libs/gui",
+        ],
     },
 }
 
@@ -178,19 +192,18 @@ cc_library_shared {
         "BitTube.cpp",
         "BLASTBufferQueue.cpp",
         "BufferItemConsumer.cpp",
+        "CompositorTiming.cpp",
         "ConsumerBase.cpp",
         "CpuConsumer.cpp",
         "DebugEGLImageTracker.cpp",
         "DisplayEventDispatcher.cpp",
         "DisplayEventReceiver.cpp",
-        "FrameTimelineInfo.cpp",
         "GLConsumer.cpp",
         "IConsumerListener.cpp",
         "IGraphicBufferConsumer.cpp",
         "IGraphicBufferProducer.cpp",
         "IProducerListener.cpp",
         "ISurfaceComposer.cpp",
-        "ISurfaceComposerClient.cpp",
         "ITransactionCompletedListener.cpp",
         "LayerDebugInfo.cpp",
         "LayerMetadata.cpp",
@@ -202,7 +215,6 @@ cc_library_shared {
         "SurfaceControl.cpp",
         "SurfaceComposerClient.cpp",
         "SyncFeatures.cpp",
-        "TransactionTracing.cpp",
         "VsyncEventData.cpp",
         "view/Surface.cpp",
         "WindowInfosListenerReporter.cpp",
@@ -259,10 +271,16 @@ cc_library_static {
     defaults: ["libgui_bufferqueue-defaults"],
 
     srcs: [
+        ":libgui_frame_event_aidl",
         ":inputconstants_aidl",
         ":libgui_bufferqueue_sources",
-        ":libgui_aidl",
     ],
+
+    aidl: {
+        include_dirs: [
+            "frameworks/native/libs/gui",
+        ],
+    },
 }
 
 filegroup {
@@ -293,6 +311,8 @@ filegroup {
 cc_defaults {
     name: "libgui_bufferqueue-defaults",
 
+    defaults: ["android.hardware.graphics.common-ndk_shared"],
+
     cflags: [
         "-Wall",
         "-Werror",
@@ -321,7 +341,6 @@ cc_defaults {
         "android.hardware.graphics.bufferqueue@2.0",
         "android.hardware.graphics.common@1.1",
         "android.hardware.graphics.common@1.2",
-        "android.hardware.graphics.common-V4-ndk",
         "android.hidl.token@1.0-utils",
         "libbase",
         "libcutils",
@@ -381,6 +400,7 @@ cc_library_static {
     ],
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "mock/GraphicBufferConsumer.cpp",
         "mock/GraphicBufferProducer.cpp",
     ],
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 24a5295112..97e45c6d47 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -33,6 +33,7 @@
 #include <utils/Trace.h>
 
 #include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 
 #include <chrono>
 
@@ -158,23 +159,23 @@ BLASTBufferQueue::BLASTBufferQueue(const std::string& name, bool updateDestinati
     id++;
     mBufferItemConsumer->setName(String8(consumerName.c_str()));
     mBufferItemConsumer->setFrameAvailableListener(this);
-    mBufferItemConsumer->setBufferFreedListener(this);
 
-    ComposerService::getComposerService()->getMaxAcquiredBufferCount(&mMaxAcquiredBuffers);
+    ComposerServiceAIDL::getComposerService()->getMaxAcquiredBufferCount(&mMaxAcquiredBuffers);
     mBufferItemConsumer->setMaxAcquiredBufferCount(mMaxAcquiredBuffers);
     mCurrentMaxAcquiredBufferCount = mMaxAcquiredBuffers;
     mNumAcquired = 0;
     mNumFrameAvailable = 0;
 
     TransactionCompletedListener::getInstance()->addQueueStallListener(
-        [&]() {
-            std::function<void(bool)> callbackCopy;
-            {
-                std::unique_lock _lock{mMutex};
-                callbackCopy = mTransactionHangCallback;
-            }
-            if (callbackCopy) callbackCopy(true);
-        }, this);
+            [&](const std::string& reason) {
+                std::function<void(const std::string&)> callbackCopy;
+                {
+                    std::unique_lock _lock{mMutex};
+                    callbackCopy = mTransactionHangCallback;
+                }
+                if (callbackCopy) callbackCopy(reason);
+            },
+            this);
 
     BQA_LOGV("BLASTBufferQueue created");
 }
@@ -334,9 +335,11 @@ void BLASTBufferQueue::transactionCallback(nsecs_t /*latchTime*/, const sp<Fence
             std::optional<SurfaceControlStats> statsOptional = findMatchingStat(stats, pendingSC);
             if (statsOptional) {
                 SurfaceControlStats stat = *statsOptional;
-                mTransformHint = stat.transformHint;
-                mBufferItemConsumer->setTransformHint(mTransformHint);
-                BQA_LOGV("updated mTransformHint=%d", mTransformHint);
+                if (stat.transformHint) {
+                    mTransformHint = *stat.transformHint;
+                    mBufferItemConsumer->setTransformHint(mTransformHint);
+                    BQA_LOGV("updated mTransformHint=%d", mTransformHint);
+                }
                 // Update frametime stamps if the frame was latched and presented, indicated by a
                 // valid latch time.
                 if (stat.latchTime > 0) {
@@ -598,7 +601,7 @@ void BLASTBufferQueue::acquireNextBufferLocked(
         if (dequeueTime != mDequeueTimestamps.end()) {
             Parcel p;
             p.writeInt64(dequeueTime->second);
-            t->setMetadata(mSurfaceControl, METADATA_DEQUEUE_TIME, p);
+            t->setMetadata(mSurfaceControl, gui::METADATA_DEQUEUE_TIME, p);
             mDequeueTimestamps.erase(dequeueTime);
         }
     }
@@ -631,6 +634,7 @@ Rect BLASTBufferQueue::computeCrop(const BufferItem& item) {
 }
 
 void BLASTBufferQueue::acquireAndReleaseBuffer() {
+    BBQ_TRACE();
     BufferItem bufferItem;
     status_t status =
             mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
@@ -644,6 +648,7 @@ void BLASTBufferQueue::acquireAndReleaseBuffer() {
 }
 
 void BLASTBufferQueue::flushAndWaitForFreeBuffer(std::unique_lock<std::mutex>& lock) {
+    BBQ_TRACE();
     if (!mSyncedFrameNumbers.empty() && mNumFrameAvailable > 0) {
         // We are waiting on a previous sync's transaction callback so allow another sync
         // transaction to proceed.
@@ -674,8 +679,8 @@ void BLASTBufferQueue::onFrameAvailable(const BufferItem& item) {
     bool waitForTransactionCallback = !mSyncedFrameNumbers.empty();
 
     {
-        BBQ_TRACE();
         std::unique_lock _lock{mMutex};
+        BBQ_TRACE();
         const bool syncTransactionSet = mTransactionReadyCallback != nullptr;
         BQA_LOGV("onFrameAvailable-start syncTransactionSet=%s", boolToString(syncTransactionSet));
 
@@ -1113,57 +1118,13 @@ uint64_t BLASTBufferQueue::getLastAcquiredFrameNum() {
     return mLastAcquiredFrameNumber;
 }
 
-void BLASTBufferQueue::abandon() {
-    std::unique_lock _lock{mMutex};
-    // flush out the shadow queue
-    while (mNumFrameAvailable > 0) {
-        acquireAndReleaseBuffer();
-    }
-
-    // Clear submitted buffer states
-    mNumAcquired = 0;
-    mSubmitted.clear();
-    mPendingRelease.clear();
-
-    if (!mPendingTransactions.empty()) {
-        BQA_LOGD("Applying pending transactions on abandon %d",
-                 static_cast<uint32_t>(mPendingTransactions.size()));
-        SurfaceComposerClient::Transaction t;
-        mergePendingTransactions(&t, std::numeric_limits<uint64_t>::max() /* frameNumber */);
-        // All transactions on our apply token are one-way. See comment on mAppliedLastTransaction
-        t.setApplyToken(mApplyToken).apply(false, true);
-    }
-
-    // Clear sync states
-    if (!mSyncedFrameNumbers.empty()) {
-        BQA_LOGD("mSyncedFrameNumbers cleared");
-        mSyncedFrameNumbers.clear();
-    }
-
-    if (mSyncTransaction != nullptr) {
-        BQA_LOGD("mSyncTransaction cleared mAcquireSingleBuffer=%s",
-                 mAcquireSingleBuffer ? "true" : "false");
-        mSyncTransaction = nullptr;
-        mAcquireSingleBuffer = false;
-    }
-
-    // abandon buffer queue
-    if (mBufferItemConsumer != nullptr) {
-        mBufferItemConsumer->abandon();
-        mBufferItemConsumer->setFrameAvailableListener(nullptr);
-        mBufferItemConsumer->setBufferFreedListener(nullptr);
-    }
-    mBufferItemConsumer = nullptr;
-    mConsumer = nullptr;
-    mProducer = nullptr;
-}
-
 bool BLASTBufferQueue::isSameSurfaceControl(const sp<SurfaceControl>& surfaceControl) const {
     std::unique_lock _lock{mMutex};
     return SurfaceControl::isSameSurface(mSurfaceControl, surfaceControl);
 }
 
-void BLASTBufferQueue::setTransactionHangCallback(std::function<void(bool)> callback) {
+void BLASTBufferQueue::setTransactionHangCallback(
+        std::function<void(const std::string&)> callback) {
     std::unique_lock _lock{mMutex};
     mTransactionHangCallback = callback;
 }
diff --git a/libs/gui/CompositorTiming.cpp b/libs/gui/CompositorTiming.cpp
new file mode 100644
index 0000000000..50f7b252b6
--- /dev/null
+++ b/libs/gui/CompositorTiming.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "CompositorTiming"
+
+#include <cutils/compiler.h>
+#include <gui/CompositorTiming.h>
+#include <log/log.h>
+
+namespace android::gui {
+
+CompositorTiming::CompositorTiming(nsecs_t vsyncDeadline, nsecs_t vsyncPeriod, nsecs_t vsyncPhase,
+                                   nsecs_t presentLatency) {
+    if (CC_UNLIKELY(vsyncPeriod <= 0)) {
+        ALOGE("Invalid VSYNC period");
+        return;
+    }
+
+    const nsecs_t idealLatency = [=] {
+        // Modulo rounds toward 0 not INT64_MIN, so treat signs separately.
+        if (vsyncPhase < 0) return -vsyncPhase % vsyncPeriod;
+
+        const nsecs_t latency = (vsyncPeriod - vsyncPhase) % vsyncPeriod;
+        return latency > 0 ? latency : vsyncPeriod;
+    }();
+
+    // Snap the latency to a value that removes scheduling jitter from the composite and present
+    // times, which often have >1ms of jitter. Reducing jitter is important if an app attempts to
+    // extrapolate something like user input to an accurate present time. Snapping also allows an
+    // app to precisely calculate vsyncPhase with (presentLatency % interval).
+    const nsecs_t bias = vsyncPeriod / 2;
+    const nsecs_t extraVsyncs = (presentLatency - idealLatency + bias) / vsyncPeriod;
+    const nsecs_t snappedLatency =
+            extraVsyncs > 0 ? idealLatency + extraVsyncs * vsyncPeriod : idealLatency;
+
+    this->deadline = vsyncDeadline - idealLatency;
+    this->interval = vsyncPeriod;
+    this->presentLatency = snappedLatency;
+}
+
+} // namespace android::gui
diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index dfdce20438..501e69ade5 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -35,11 +35,14 @@ static const size_t EVENT_BUFFER_SIZE = 100;
 
 static constexpr nsecs_t WAITING_FOR_VSYNC_TIMEOUT = ms2ns(300);
 
-DisplayEventDispatcher::DisplayEventDispatcher(
-        const sp<Looper>& looper, ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration)
-      : mLooper(looper), mReceiver(vsyncSource, eventRegistration), mWaitingForVsync(false),
-        mLastVsyncCount(0), mLastScheduleVsyncTime(0) {
+DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
+                                               gui::ISurfaceComposer::VsyncSource vsyncSource,
+                                               EventRegistrationFlags eventRegistration)
+      : mLooper(looper),
+        mReceiver(vsyncSource, eventRegistration),
+        mWaitingForVsync(false),
+        mLastVsyncCount(0),
+        mLastScheduleVsyncTime(0) {
     ALOGV("dispatcher %p ~ Initializing display event dispatcher.", this);
 }
 
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index bfb77699c0..c52fb6b7c3 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -19,10 +19,9 @@
 #include <utils/Errors.h>
 
 #include <gui/DisplayEventReceiver.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/VsyncEventData.h>
 
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 
 #include <private/gui/BitTube.h>
 
@@ -32,15 +31,20 @@ namespace android {
 
 // ---------------------------------------------------------------------------
 
-DisplayEventReceiver::DisplayEventReceiver(
-        ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+DisplayEventReceiver::DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource,
+                                           EventRegistrationFlags eventRegistration) {
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr) {
-        mEventConnection = sf->createDisplayEventConnection(vsyncSource, eventRegistration);
+        mEventConnection = nullptr;
+        binder::Status status =
+                sf->createDisplayEventConnection(vsyncSource,
+                                                 static_cast<
+                                                         gui::ISurfaceComposer::EventRegistration>(
+                                                         eventRegistration.get()),
+                                                 &mEventConnection);
         if (mEventConnection != nullptr) {
             mDataChannel = std::make_unique<gui::BitTube>();
-            const auto status = mEventConnection->stealReceiveChannel(mDataChannel.get());
+            status = mEventConnection->stealReceiveChannel(mDataChannel.get());
             if (!status.isOk()) {
                 ALOGE("stealReceiveChannel failed: %s", status.toString8().c_str());
                 mInitError = std::make_optional<status_t>(status.transactionError());
diff --git a/libs/gui/DisplayInfo.cpp b/libs/gui/DisplayInfo.cpp
index 52d9540eeb..bd640df81e 100644
--- a/libs/gui/DisplayInfo.cpp
+++ b/libs/gui/DisplayInfo.cpp
@@ -20,8 +20,13 @@
 #include <gui/DisplayInfo.h>
 #include <private/gui/ParcelUtils.h>
 
+#include <android-base/stringprintf.h>
 #include <log/log.h>
 
+#include <inttypes.h>
+
+#define INDENT "  "
+
 namespace android::gui {
 
 // --- DisplayInfo ---
@@ -67,4 +72,17 @@ status_t DisplayInfo::writeToParcel(android::Parcel* parcel) const {
     return OK;
 }
 
+void DisplayInfo::dump(std::string& out, const char* prefix) const {
+    using android::base::StringAppendF;
+
+    out += prefix;
+    StringAppendF(&out, "DisplayViewport[id=%" PRId32 "]\n", displayId);
+    out += prefix;
+    StringAppendF(&out, INDENT "Width=%" PRId32 ", Height=%" PRId32 "\n", logicalWidth,
+                  logicalHeight);
+    std::string transformPrefix(prefix);
+    transformPrefix.append(INDENT);
+    transform.dump(out, "Transform", transformPrefix.c_str());
+}
+
 } // namespace android::gui
diff --git a/libs/gui/FrameTimelineInfo.cpp b/libs/gui/FrameTimelineInfo.cpp
deleted file mode 100644
index 3800b88ab0..0000000000
--- a/libs/gui/FrameTimelineInfo.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "FrameTimelineInfo"
-
-#include <inttypes.h>
-
-#include <android/os/IInputConstants.h>
-#include <gui/FrameTimelineInfo.h>
-#include <gui/LayerState.h>
-#include <private/gui/ParcelUtils.h>
-#include <utils/Errors.h>
-
-#include <cmath>
-
-using android::os::IInputConstants;
-
-namespace android {
-
-status_t FrameTimelineInfo::write(Parcel& output) const {
-    SAFE_PARCEL(output.writeInt64, vsyncId);
-    SAFE_PARCEL(output.writeInt32, inputEventId);
-    SAFE_PARCEL(output.writeInt64, startTimeNanos);
-    return NO_ERROR;
-}
-
-status_t FrameTimelineInfo::read(const Parcel& input) {
-    SAFE_PARCEL(input.readInt64, &vsyncId);
-    SAFE_PARCEL(input.readInt32, &inputEventId);
-    SAFE_PARCEL(input.readInt64, &startTimeNanos);
-    return NO_ERROR;
-}
-
-void FrameTimelineInfo::merge(const FrameTimelineInfo& other) {
-    // When merging vsync Ids we take the oldest valid one
-    if (vsyncId != INVALID_VSYNC_ID && other.vsyncId != INVALID_VSYNC_ID) {
-        if (other.vsyncId > vsyncId) {
-            vsyncId = other.vsyncId;
-            inputEventId = other.inputEventId;
-            startTimeNanos = other.startTimeNanos;
-        }
-    } else if (vsyncId == INVALID_VSYNC_ID) {
-        vsyncId = other.vsyncId;
-        inputEventId = other.inputEventId;
-        startTimeNanos = other.startTimeNanos;
-    }
-}
-
-void FrameTimelineInfo::clear() {
-    vsyncId = INVALID_VSYNC_ID;
-    inputEventId = IInputConstants::INVALID_INPUT_EVENT_ID;
-    startTimeNanos = 0;
-}
-
-}; // namespace android
diff --git a/libs/gui/GLConsumerUtils.cpp b/libs/gui/GLConsumerUtils.cpp
index 7a06c3d801..a1c69e7d6d 100644
--- a/libs/gui/GLConsumerUtils.cpp
+++ b/libs/gui/GLConsumerUtils.cpp
@@ -27,6 +27,13 @@ namespace android {
 void GLConsumer::computeTransformMatrix(float outTransform[16],
         const sp<GraphicBuffer>& buf, const Rect& cropRect, uint32_t transform,
         bool filtering) {
+    computeTransformMatrix(outTransform, buf->getWidth(), buf->getHeight(), buf->getPixelFormat(),
+                           cropRect, transform, filtering);
+}
+
+void GLConsumer::computeTransformMatrix(float outTransform[16], float bufferWidth,
+                                        float bufferHeight, PixelFormat pixelFormat,
+                                        const Rect& cropRect, uint32_t transform, bool filtering) {
     // Transform matrices
     static const mat4 mtxFlipH(
         -1, 0, 0, 0,
@@ -60,8 +67,6 @@ void GLConsumer::computeTransformMatrix(float outTransform[16],
 
     if (!cropRect.isEmpty()) {
         float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
-        float bufferWidth = buf->getWidth();
-        float bufferHeight = buf->getHeight();
         float shrinkAmount = 0.0f;
         if (filtering) {
             // In order to prevent bilinear sampling beyond the edge of the
@@ -70,7 +75,7 @@ void GLConsumer::computeTransformMatrix(float outTransform[16],
             // off each end, but because the chroma channels of YUV420 images
             // are subsampled we may need to shrink the crop region by a whole
             // texel on each side.
-            switch (buf->getPixelFormat()) {
+            switch (pixelFormat) {
                 case PIXEL_FORMAT_RGBA_8888:
                 case PIXEL_FORMAT_RGBX_8888:
                 case PIXEL_FORMAT_RGBA_FP16:
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 24d39fe86a..a0e75ffe49 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -19,14 +19,11 @@
 
 #include <android/gui/IDisplayEventConnection.h>
 #include <android/gui/IRegionSamplingListener.h>
-#include <android/gui/ITransactionTraceListener.h>
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
-#include <gui/LayerDebugInfo.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <stdint.h>
@@ -37,7 +34,6 @@
 #include <ui/DisplayState.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <ui/HdrCapabilities.h>
-#include <ui/StaticDisplayInfo.h>
 #include <utils/Log.h>
 
 // ---------------------------------------------------------------------------
@@ -46,6 +42,7 @@ using namespace aidl::android::hardware::graphics;
 
 namespace android {
 
+using gui::CallbackId;
 using gui::DisplayCaptureArgs;
 using gui::IDisplayEventConnection;
 using gui::IRegionSamplingListener;
@@ -63,26 +60,18 @@ public:
 
     virtual ~BpSurfaceComposer();
 
-    virtual sp<ISurfaceComposerClient> createConnection()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
-        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
-    }
-
     status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
-                                 const Vector<ComposerState>& state,
-                                 const Vector<DisplayState>& displays, uint32_t flags,
-                                 const sp<IBinder>& applyToken, const InputWindowCommands& commands,
-                                 int64_t desiredPresentTime, bool isAutoTimestamp,
-                                 const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
+                                 Vector<ComposerState>& state, const Vector<DisplayState>& displays,
+                                 uint32_t flags, const sp<IBinder>& applyToken,
+                                 const InputWindowCommands& commands, int64_t desiredPresentTime,
+                                 bool isAutoTimestamp, const client_cache_t& uncacheBuffer,
+                                 bool hasListenerCallbacks,
                                  const std::vector<ListenerCallbacks>& listenerCallbacks,
                                  uint64_t transactionId) override {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
 
-        SAFE_PARCEL(frameTimelineInfo.write, data);
+        frameTimelineInfo.writeToParcel(&data);
 
         SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(state.size()));
         for (const auto& s : state) {
@@ -119,905 +108,6 @@ public:
                     data, &reply);
         }
     }
-
-    void bootFinished() override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
-    }
-
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& bufferProducer) const override {
-        Parcel data, reply;
-        int err = NO_ERROR;
-        err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
-                    "interface descriptor: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        err = data.writeStrongBinder(IInterface::asBinder(bufferProducer));
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
-                    "strong binder to parcel: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
-                &reply);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
-                    "performing transaction: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
-                    "retrieving result: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        return result != 0;
-    }
-
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override {
-        if (!outSupported) {
-            return UNEXPECTED_NULL;
-        }
-        outSupported->clear();
-
-        Parcel data, reply;
-
-        status_t err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        err = remote()->transact(
-                BnSurfaceComposer::GET_SUPPORTED_FRAME_TIMESTAMPS,
-                data, &reply);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            return err;
-        }
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        std::vector<int32_t> supported;
-        err = reply.readInt32Vector(&supported);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        outSupported->reserve(supported.size());
-        for (int32_t s : supported) {
-            outSupported->push_back(static_cast<FrameEvent>(s));
-        }
-        return NO_ERROR;
-    }
-
-    sp<IDisplayEventConnection> createDisplayEventConnection(
-            VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) override {
-        Parcel data, reply;
-        sp<IDisplayEventConnection> result;
-        int err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return result;
-        }
-        data.writeInt32(static_cast<int32_t>(vsyncSource));
-        data.writeUint32(eventRegistration.get());
-        err = remote()->transact(
-                BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION,
-                data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing "
-                    "transaction: %s (%d)", strerror(-err), -err);
-            return result;
-        }
-        result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder());
-        return result;
-    }
-
-    status_t getStaticDisplayInfo(const sp<IBinder>& display,
-                                  ui::StaticDisplayInfo* info) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        remote()->transact(BnSurfaceComposer::GET_STATIC_DISPLAY_INFO, data, &reply);
-        const status_t result = reply.readInt32();
-        if (result != NO_ERROR) return result;
-        return reply.read(*info);
-    }
-
-    status_t getDynamicDisplayInfo(const sp<IBinder>& display,
-                                   ui::DynamicDisplayInfo* info) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        remote()->transact(BnSurfaceComposer::GET_DYNAMIC_DISPLAY_INFO, data, &reply);
-        const status_t result = reply.readInt32();
-        if (result != NO_ERROR) return result;
-        return reply.read(*info);
-    }
-
-    status_t getDisplayNativePrimaries(const sp<IBinder>& display,
-                                       ui::DisplayPrimaries& primaries) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::GET_DISPLAY_NATIVE_PRIMARIES, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to transact: %d", result);
-            return result;
-        }
-        result = reply.readInt32();
-        if (result == NO_ERROR) {
-            memcpy(&primaries, reply.readInplace(sizeof(ui::DisplayPrimaries)),
-                    sizeof(ui::DisplayPrimaries));
-        }
-        return result;
-    }
-
-    status_t setActiveColorMode(const sp<IBinder>& display, ColorMode colorMode) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = data.writeInt32(static_cast<int32_t>(colorMode));
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeInt32: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::SET_ACTIVE_COLOR_MODE, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to transact: %d", result);
-            return result;
-        }
-        return static_cast<status_t>(reply.readInt32());
-    }
-
-    status_t setBootDisplayMode(const sp<IBinder>& display,
-                                ui::DisplayModeId displayModeId) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = data.writeInt32(displayModeId);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeIint32: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::SET_BOOT_DISPLAY_MODE, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to transact: %d", result);
-        }
-        return result;
-    }
-
-    status_t clearAnimationFrameStats() override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("clearAnimationFrameStats failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("clearAnimationFrameStats failed to transact: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getAnimationFrameStats(FrameStats* outStats) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::GET_ANIMATION_FRAME_STATS, data, &reply);
-        reply.read(*outStats);
-        return reply.readInt32();
-    }
-
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, display);
-
-        std::vector<int32_t> hdrTypesVector;
-        for (ui::Hdr i : hdrTypes) {
-            hdrTypesVector.push_back(static_cast<int32_t>(i));
-        }
-        SAFE_PARCEL(data.writeInt32Vector, hdrTypesVector);
-
-        status_t result = remote()->transact(BnSurfaceComposer::OVERRIDE_HDR_TYPES, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("overrideHdrTypes failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeInt32, atomId);
-
-        status_t err = remote()->transact(BnSurfaceComposer::ON_PULL_ATOM, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("onPullAtom failed to transact: %d", err);
-            return err;
-        }
-
-        int32_t size = 0;
-        SAFE_PARCEL(reply.readInt32, &size);
-        const void* dataPtr = reply.readInplace(size);
-        if (dataPtr == nullptr) {
-            return UNEXPECTED_NULL;
-        }
-        pulledData->assign((const char*)dataPtr, size);
-        SAFE_PARCEL(reply.readBool, success);
-        return NO_ERROR;
-    }
-
-    status_t enableVSyncInjections(bool enable) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeBool(enable);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeBool: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t injectVSync(nsecs_t when) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeInt64(when);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInt64: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::INJECT_VSYNC, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override {
-        if (!outLayers) {
-            return UNEXPECTED_NULL;
-        }
-
-        Parcel data, reply;
-
-        status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        err = remote()->transact(BnSurfaceComposer::GET_LAYER_DEBUG_INFO, data, &reply);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            return err;
-        }
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        outLayers->clear();
-        return reply.readParcelableVector(outLayers);
-    }
-
-    status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                      ui::PixelFormat* defaultPixelFormat,
-                                      ui::Dataspace* wideColorGamutDataspace,
-                                      ui::PixelFormat* wideColorGamutPixelFormat) const override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::GET_COMPOSITION_PREFERENCE, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = static_cast<status_t>(reply.readInt32());
-        if (error == NO_ERROR) {
-            *defaultDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *defaultPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-            *wideColorGamutDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-        }
-        return error;
-    }
-
-    status_t getColorManagement(bool* outGetColorManagement) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::GET_COLOR_MANAGEMENT, data, &reply);
-        bool result;
-        status_t err = reply.readBool(&result);
-        if (err == NO_ERROR) {
-            *outGetColorManagement = result;
-        }
-        return err;
-    }
-
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                   ui::PixelFormat* outFormat,
-                                                   ui::Dataspace* outDataspace,
-                                                   uint8_t* outComponentMask) const override {
-        if (!outFormat || !outDataspace || !outComponentMask) return BAD_VALUE;
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-                                   data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-
-        uint32_t value = 0;
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outFormat = static_cast<ui::PixelFormat>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outDataspace = static_cast<ui::Dataspace>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outComponentMask = static_cast<uint8_t>(value);
-        return error;
-    }
-
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                              uint8_t componentMask, uint64_t maxFrames) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        data.writeBool(enable);
-        data.writeByte(static_cast<int8_t>(componentMask));
-        data.writeUint64(maxFrames);
-        status_t result =
-                remote()->transact(BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED, data,
-                                   &reply);
-        return result;
-    }
-
-    status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
-                                       uint64_t timestamp,
-                                       DisplayedFrameStats* outStats) const override {
-        if (!outStats) return BAD_VALUE;
-
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        data.writeUint64(maxFrames);
-        data.writeUint64(timestamp);
-
-        status_t result =
-                remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLE, data, &reply);
-
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        result = reply.readUint64(&outStats->numFrames);
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        result = reply.readUint64Vector(&outStats->component_0_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_1_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_2_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_3_sample);
-        return result;
-    }
-
-    status_t getProtectedContentSupport(bool* outSupported) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_PROTECTED_CONTENT_SUPPORT, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = reply.readBool(outSupported);
-        return error;
-    }
-
-    status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
-                                       const sp<IRegionSamplingListener>& listener) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write interface token");
-            return error;
-        }
-        error = data.write(samplingArea);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write sampling area");
-            return error;
-        }
-        error = data.writeStrongBinder(stopLayerHandle);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write stop layer handle");
-            return error;
-        }
-        error = data.writeStrongBinder(IInterface::asBinder(listener));
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write listener");
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::ADD_REGION_SAMPLING_LISTENER, data, &reply);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to transact");
-        }
-        return error;
-    }
-
-    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to write interface token");
-            return error;
-        }
-        error = data.writeStrongBinder(IInterface::asBinder(listener));
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to write listener");
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::REMOVE_REGION_SAMPLING_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeInt32, taskId);
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::ADD_FPS_LISTENER, data, &reply);
-        if (error != OK) {
-            ALOGE("addFpsListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t removeFpsListener(const sp<gui::IFpsListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::REMOVE_FPS_LISTENER, data, &reply);
-        if (error != OK) {
-            ALOGE("removeFpsListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::ADD_TUNNEL_MODE_ENABLED_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("addTunnelModeEnabledListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::REMOVE_TUNNEL_MODE_ENABLED_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("removeTunnelModeEnabledListener: Failed to transact");
-        }
-        return error;
-    }
-
-    status_t setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId defaultMode, bool allowGroupSwitching,
-                                        float primaryRefreshRateMin, float primaryRefreshRateMax,
-                                        float appRequestRefreshRateMin,
-                                        float appRequestRefreshRateMax) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs: failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs: failed to write display token: %d", result);
-            return result;
-        }
-        result = data.writeInt32(defaultMode);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write defaultMode: %d", result);
-            return result;
-        }
-        result = data.writeBool(allowGroupSwitching);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write allowGroupSwitching: %d", result);
-            return result;
-        }
-        result = data.writeFloat(primaryRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write primaryRefreshRateMin: %d", result);
-            return result;
-        }
-        result = data.writeFloat(primaryRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write primaryRefreshRateMax: %d", result);
-            return result;
-        }
-        result = data.writeFloat(appRequestRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write appRequestRefreshRateMin: %d",
-                  result);
-            return result;
-        }
-        result = data.writeFloat(appRequestRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write appRequestRefreshRateMax: %d",
-                  result);
-            return result;
-        }
-
-        result =
-                remote()->transact(BnSurfaceComposer::SET_DESIRED_DISPLAY_MODE_SPECS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to transact: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId* outDefaultMode,
-                                        bool* outAllowGroupSwitching,
-                                        float* outPrimaryRefreshRateMin,
-                                        float* outPrimaryRefreshRateMax,
-                                        float* outAppRequestRefreshRateMin,
-                                        float* outAppRequestRefreshRateMax) override {
-        if (!outDefaultMode || !outAllowGroupSwitching || !outPrimaryRefreshRateMin ||
-            !outPrimaryRefreshRateMax || !outAppRequestRefreshRateMin ||
-            !outAppRequestRefreshRateMax) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result =
-                remote()->transact(BnSurfaceComposer::GET_DESIRED_DISPLAY_MODE_SPECS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to transact: %d", result);
-            return result;
-        }
-
-        result = reply.readInt32(outDefaultMode);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read defaultMode: %d", result);
-            return result;
-        }
-        if (*outDefaultMode < 0) {
-            ALOGE("%s: defaultMode must be non-negative but it was %d", __func__, *outDefaultMode);
-            return BAD_VALUE;
-        }
-
-        result = reply.readBool(outAllowGroupSwitching);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read allowGroupSwitching: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outPrimaryRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read primaryRefreshRateMin: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outPrimaryRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read primaryRefreshRateMax: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outAppRequestRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read appRequestRefreshRateMin: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outAppRequestRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read appRequestRefreshRateMax: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                     float lightPosY, float lightPosZ, float lightRadius) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to write interface token: %d", error);
-            return error;
-        }
-
-        std::vector<float> shadowConfig = {ambientColor.r, ambientColor.g, ambientColor.b,
-                                           ambientColor.a, spotColor.r,    spotColor.g,
-                                           spotColor.b,    spotColor.a,    lightPosY,
-                                           lightPosZ,      lightRadius};
-
-        error = data.writeFloatVector(shadowConfig);
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to write shadowConfig: %d", error);
-            return error;
-        }
-
-        error = remote()->transact(BnSurfaceComposer::SET_GLOBAL_SHADOW_SETTINGS, data, &reply,
-                                   IBinder::FLAG_ONEWAY);
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to transact: %d", error);
-            return error;
-        }
-        return NO_ERROR;
-    }
-
-    status_t getDisplayDecorationSupport(
-            const sp<IBinder>& displayToken,
-            std::optional<common::DisplayDecorationSupport>* outSupport) const override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to write interface token: %d", error);
-            return error;
-        }
-        error = data.writeStrongBinder(displayToken);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to write display token: %d", error);
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::GET_DISPLAY_DECORATION_SUPPORT, data, &reply);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to transact: %d", error);
-            return error;
-        }
-        bool support;
-        error = reply.readBool(&support);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to read support: %d", error);
-            return error;
-        }
-
-        if (support) {
-            int32_t format, alphaInterpretation;
-            error = reply.readInt32(&format);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport: failed to read format: %d", error);
-                return error;
-            }
-            error = reply.readInt32(&alphaInterpretation);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport: failed to read alphaInterpretation: %d", error);
-                return error;
-            }
-            outSupport->emplace();
-            outSupport->value().format = static_cast<common::PixelFormat>(format);
-            outSupport->value().alphaInterpretation =
-                    static_cast<common::AlphaInterpretation>(alphaInterpretation);
-        } else {
-            outSupport->reset();
-        }
-        return NO_ERROR;
-    }
-
-    status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                          int8_t compatibility, int8_t changeFrameRateStrategy) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(surface));
-        SAFE_PARCEL(data.writeFloat, frameRate);
-        SAFE_PARCEL(data.writeByte, compatibility);
-        SAFE_PARCEL(data.writeByte, changeFrameRateStrategy);
-
-        status_t err = remote()->transact(BnSurfaceComposer::SET_FRAME_RATE, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("setFrameRate: failed to transact: %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32();
-    }
-
-    status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                  const FrameTimelineInfo& frameTimelineInfo) override {
-        Parcel data, reply;
-        status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed writing interface token: %s (%d)", __func__, strerror(-err), -err);
-            return err;
-        }
-
-        err = data.writeStrongBinder(IInterface::asBinder(surface));
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed writing strong binder: %s (%d)", __func__, strerror(-err), -err);
-            return err;
-        }
-
-        SAFE_PARCEL(frameTimelineInfo.write, data);
-
-        err = remote()->transact(BnSurfaceComposer::SET_FRAME_TIMELINE_INFO, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed to transact: %s (%d)", __func__, strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32();
-    }
-
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        return remote()->transact(BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER, data, &reply);
-    }
-
-    /**
-     * Get priority of the RenderEngine in surface flinger.
-     */
-    int getGPUContextPriority() override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t err =
-                remote()->transact(BnSurfaceComposer::GET_GPU_CONTEXT_PRIORITY, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("getGPUContextPriority failed to read data:  %s (%d)", strerror(-err), err);
-            return 0;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getMaxAcquiredBufferCount(int* buffers) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t err =
-                remote()->transact(BnSurfaceComposer::GET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("getMaxAcquiredBufferCount failed to read data:  %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32(buffers);
-    }
-
-    status_t addWindowInfosListener(
-            const sp<IWindowInfosListener>& windowInfosListener) const override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(windowInfosListener));
-        return remote()->transact(BnSurfaceComposer::ADD_WINDOW_INFOS_LISTENER, data, &reply);
-    }
-
-    status_t removeWindowInfosListener(
-            const sp<IWindowInfosListener>& windowInfosListener) const override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(windowInfosListener));
-        return remote()->transact(BnSurfaceComposer::REMOVE_WINDOW_INFOS_LISTENER, data, &reply);
-    }
-
-    status_t setOverrideFrameRate(uid_t uid, float frameRate) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeUint32, uid);
-        SAFE_PARCEL(data.writeFloat, frameRate);
-
-        status_t err = remote()->transact(BnSurfaceComposer::SET_OVERRIDE_FRAME_RATE, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("setOverrideFrameRate: failed to transact %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return NO_ERROR;
-    }
 };
 
 // Out-of-line virtual method definition to trigger vtable emission in this
@@ -1031,18 +121,12 @@ IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer");
 status_t BnSurfaceComposer::onTransact(
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
-    switch(code) {
-        case CREATE_CONNECTION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> b = IInterface::asBinder(createConnection());
-            reply->writeStrongBinder(b);
-            return NO_ERROR;
-        }
+    switch (code) {
         case SET_TRANSACTION_STATE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
 
             FrameTimelineInfo frameTimelineInfo;
-            SAFE_PARCEL(frameTimelineInfo.read, data);
+            frameTimelineInfo.readFromParcel(&data);
 
             uint32_t count = 0;
             SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
@@ -1102,642 +186,6 @@ status_t BnSurfaceComposer::onTransact(
                                        uncachedBuffer, hasListenerCallbacks, listenerCallbacks,
                                        transactionId);
         }
-        case BOOT_FINISHED: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bootFinished();
-            return NO_ERROR;
-        }
-        case AUTHENTICATE_SURFACE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IGraphicBufferProducer> bufferProducer =
-                    interface_cast<IGraphicBufferProducer>(data.readStrongBinder());
-            int32_t result = authenticateSurfaceTexture(bufferProducer) ? 1 : 0;
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case GET_SUPPORTED_FRAME_TIMESTAMPS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            std::vector<FrameEvent> supportedTimestamps;
-            status_t result = getSupportedFrameTimestamps(&supportedTimestamps);
-            status_t err = reply->writeInt32(result);
-            if (err != NO_ERROR) {
-                return err;
-            }
-            if (result != NO_ERROR) {
-                return result;
-            }
-
-            std::vector<int32_t> supported;
-            supported.reserve(supportedTimestamps.size());
-            for (FrameEvent s : supportedTimestamps) {
-                supported.push_back(static_cast<int32_t>(s));
-            }
-            return reply->writeInt32Vector(supported);
-        }
-        case CREATE_DISPLAY_EVENT_CONNECTION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            auto vsyncSource = static_cast<ISurfaceComposer::VsyncSource>(data.readInt32());
-            EventRegistrationFlags eventRegistration =
-                    static_cast<EventRegistration>(data.readUint32());
-
-            sp<IDisplayEventConnection> connection(
-                    createDisplayEventConnection(vsyncSource, eventRegistration));
-            reply->writeStrongBinder(IInterface::asBinder(connection));
-            return NO_ERROR;
-        }
-        case GET_STATIC_DISPLAY_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::StaticDisplayInfo info;
-            const sp<IBinder> display = data.readStrongBinder();
-            const status_t result = getStaticDisplayInfo(display, &info);
-            SAFE_PARCEL(reply->writeInt32, result);
-            if (result != NO_ERROR) return result;
-            SAFE_PARCEL(reply->write, info);
-            return NO_ERROR;
-        }
-        case GET_DYNAMIC_DISPLAY_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::DynamicDisplayInfo info;
-            const sp<IBinder> display = data.readStrongBinder();
-            const status_t result = getDynamicDisplayInfo(display, &info);
-            SAFE_PARCEL(reply->writeInt32, result);
-            if (result != NO_ERROR) return result;
-            SAFE_PARCEL(reply->write, info);
-            return NO_ERROR;
-        }
-        case GET_DISPLAY_NATIVE_PRIMARIES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::DisplayPrimaries primaries;
-            sp<IBinder> display = nullptr;
-
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayNativePrimaries failed to readStrongBinder: %d", result);
-                return result;
-            }
-
-            result = getDisplayNativePrimaries(display, primaries);
-            reply->writeInt32(result);
-            if (result == NO_ERROR) {
-                memcpy(reply->writeInplace(sizeof(ui::DisplayPrimaries)), &primaries,
-                        sizeof(ui::DisplayPrimaries));
-            }
-
-            return NO_ERROR;
-        }
-        case SET_ACTIVE_COLOR_MODE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("getActiveColorMode failed to readStrongBinder: %d", result);
-                return result;
-            }
-            int32_t colorModeInt = 0;
-            result = data.readInt32(&colorModeInt);
-            if (result != NO_ERROR) {
-                ALOGE("setActiveColorMode failed to readInt32: %d", result);
-                return result;
-            }
-            result = setActiveColorMode(display,
-                    static_cast<ColorMode>(colorModeInt));
-            result = reply->writeInt32(result);
-            return result;
-        }
-        case SET_BOOT_DISPLAY_MODE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("setBootDisplayMode failed to readStrongBinder: %d", result);
-                return result;
-            }
-            ui::DisplayModeId displayModeId;
-            result = data.readInt32(&displayModeId);
-            if (result != NO_ERROR) {
-                ALOGE("setBootDisplayMode failed to readInt32: %d", result);
-                return result;
-            }
-            return setBootDisplayMode(display, displayModeId);
-        }
-        case CLEAR_ANIMATION_FRAME_STATS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            status_t result = clearAnimationFrameStats();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case GET_ANIMATION_FRAME_STATS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            FrameStats stats;
-            status_t result = getAnimationFrameStats(&stats);
-            reply->write(stats);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case ENABLE_VSYNC_INJECTIONS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool enable = false;
-            status_t result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readBool: %d", result);
-                return result;
-            }
-            return enableVSyncInjections(enable);
-        }
-        case INJECT_VSYNC: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int64_t when = 0;
-            status_t result = data.readInt64(&when);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readInt64: %d", result);
-                return result;
-            }
-            return injectVSync(when);
-        }
-        case GET_LAYER_DEBUG_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            std::vector<LayerDebugInfo> outLayers;
-            status_t result = getLayerDebugInfo(&outLayers);
-            reply->writeInt32(result);
-            if (result == NO_ERROR)
-            {
-                result = reply->writeParcelableVector(outLayers);
-            }
-            return result;
-        }
-        case GET_COMPOSITION_PREFERENCE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::Dataspace defaultDataspace;
-            ui::PixelFormat defaultPixelFormat;
-            ui::Dataspace wideColorGamutDataspace;
-            ui::PixelFormat wideColorGamutPixelFormat;
-            status_t error =
-                    getCompositionPreference(&defaultDataspace, &defaultPixelFormat,
-                                             &wideColorGamutDataspace, &wideColorGamutPixelFormat);
-            reply->writeInt32(error);
-            if (error == NO_ERROR) {
-                reply->writeInt32(static_cast<int32_t>(defaultDataspace));
-                reply->writeInt32(static_cast<int32_t>(defaultPixelFormat));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutDataspace));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutPixelFormat));
-            }
-            return error;
-        }
-        case GET_COLOR_MANAGEMENT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getColorManagement(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
-        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = data.readStrongBinder();
-            ui::PixelFormat format;
-            ui::Dataspace dataspace;
-            uint8_t component = 0;
-            auto result =
-                    getDisplayedContentSamplingAttributes(display, &format, &dataspace, &component);
-            if (result == NO_ERROR) {
-                reply->writeUint32(static_cast<uint32_t>(format));
-                reply->writeUint32(static_cast<uint32_t>(dataspace));
-                reply->writeUint32(static_cast<uint32_t>(component));
-            }
-            return result;
-        }
-        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = nullptr;
-            bool enable = false;
-            int8_t componentMask = 0;
-            uint64_t maxFrames = 0;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading Display token: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading enable: %d", result);
-                return result;
-            }
-
-            result = data.readByte(static_cast<int8_t*>(&componentMask));
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading component mask: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readUint64(&maxFrames);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading max frames: %d", result);
-                return result;
-            }
-
-            return setDisplayContentSamplingEnabled(display, enable,
-                                                    static_cast<uint8_t>(componentMask), maxFrames);
-        }
-        case GET_DISPLAYED_CONTENT_SAMPLE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = data.readStrongBinder();
-            uint64_t maxFrames = 0;
-            uint64_t timestamp = 0;
-
-            status_t result = data.readUint64(&maxFrames);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayedContentSample failure in reading max frames: %d", result);
-                return result;
-            }
-
-            result = data.readUint64(&timestamp);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayedContentSample failure in reading timestamp: %d", result);
-                return result;
-            }
-
-            DisplayedFrameStats stats;
-            result = getDisplayedContentSample(display, maxFrames, timestamp, &stats);
-            if (result == NO_ERROR) {
-                reply->writeUint64(stats.numFrames);
-                reply->writeUint64Vector(stats.component_0_sample);
-                reply->writeUint64Vector(stats.component_1_sample);
-                reply->writeUint64Vector(stats.component_2_sample);
-                reply->writeUint64Vector(stats.component_3_sample);
-            }
-            return result;
-        }
-        case GET_PROTECTED_CONTENT_SUPPORT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getProtectedContentSupport(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
-        case ADD_REGION_SAMPLING_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            Rect samplingArea;
-            status_t result = data.read(samplingArea);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read sampling area");
-                return result;
-            }
-            sp<IBinder> stopLayerHandle;
-            result = data.readNullableStrongBinder(&stopLayerHandle);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read stop layer handle");
-                return result;
-            }
-            sp<IRegionSamplingListener> listener;
-            result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read listener");
-                return result;
-            }
-            return addRegionSamplingListener(samplingArea, stopLayerHandle, listener);
-        }
-        case REMOVE_REGION_SAMPLING_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IRegionSamplingListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeRegionSamplingListener: Failed to read listener");
-                return result;
-            }
-            return removeRegionSamplingListener(listener);
-        }
-        case ADD_FPS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int32_t taskId;
-            status_t result = data.readInt32(&taskId);
-            if (result != NO_ERROR) {
-                ALOGE("addFpsListener: Failed to read layer handle");
-                return result;
-            }
-            sp<gui::IFpsListener> listener;
-            result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addFpsListener: Failed to read listener");
-                return result;
-            }
-            return addFpsListener(taskId, listener);
-        }
-        case REMOVE_FPS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::IFpsListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeFpsListener: Failed to read listener");
-                return result;
-            }
-            return removeFpsListener(listener);
-        }
-        case ADD_TUNNEL_MODE_ENABLED_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITunnelModeEnabledListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addTunnelModeEnabledListener: Failed to read listener");
-                return result;
-            }
-            return addTunnelModeEnabledListener(listener);
-        }
-        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITunnelModeEnabledListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeTunnelModeEnabledListener: Failed to read listener");
-                return result;
-            }
-            return removeTunnelModeEnabledListener(listener);
-        }
-        case SET_DESIRED_DISPLAY_MODE_SPECS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            ui::DisplayModeId defaultMode;
-            status_t result = data.readInt32(&defaultMode);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read defaultMode: %d", result);
-                return result;
-            }
-            if (defaultMode < 0) {
-                ALOGE("%s: defaultMode must be non-negative but it was %d", __func__, defaultMode);
-                return BAD_VALUE;
-            }
-            bool allowGroupSwitching;
-            result = data.readBool(&allowGroupSwitching);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read allowGroupSwitching: %d", result);
-                return result;
-            }
-            float primaryRefreshRateMin;
-            result = data.readFloat(&primaryRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read primaryRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            float primaryRefreshRateMax;
-            result = data.readFloat(&primaryRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read primaryRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            float appRequestRefreshRateMin;
-            result = data.readFloat(&appRequestRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read appRequestRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            float appRequestRefreshRateMax;
-            result = data.readFloat(&appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read appRequestRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            result = setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
-                                                primaryRefreshRateMin, primaryRefreshRateMax,
-                                                appRequestRefreshRateMin, appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to call setDesiredDisplayModeSpecs: "
-                      "%d",
-                      result);
-                return result;
-            }
-            reply->writeInt32(result);
-            return result;
-        }
-        case GET_DESIRED_DISPLAY_MODE_SPECS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            ui::DisplayModeId defaultMode;
-            bool allowGroupSwitching;
-            float primaryRefreshRateMin;
-            float primaryRefreshRateMax;
-            float appRequestRefreshRateMin;
-            float appRequestRefreshRateMax;
-
-            status_t result =
-                    getDesiredDisplayModeSpecs(displayToken, &defaultMode, &allowGroupSwitching,
-                                               &primaryRefreshRateMin, &primaryRefreshRateMax,
-                                               &appRequestRefreshRateMin,
-                                               &appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to get getDesiredDisplayModeSpecs: "
-                      "%d",
-                      result);
-                return result;
-            }
-
-            result = reply->writeInt32(defaultMode);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write defaultMode: %d", result);
-                return result;
-            }
-            result = reply->writeBool(allowGroupSwitching);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write allowGroupSwitching: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(primaryRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write primaryRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(primaryRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write primaryRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(appRequestRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write appRequestRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write appRequestRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            reply->writeInt32(result);
-            return result;
-        }
-        case SET_GLOBAL_SHADOW_SETTINGS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            std::vector<float> shadowConfig;
-            status_t error = data.readFloatVector(&shadowConfig);
-            if (error != NO_ERROR || shadowConfig.size() != 11) {
-                ALOGE("setGlobalShadowSettings: failed to read shadowConfig: %d", error);
-                return error;
-            }
-
-            half4 ambientColor = {shadowConfig[0], shadowConfig[1], shadowConfig[2],
-                                  shadowConfig[3]};
-            half4 spotColor = {shadowConfig[4], shadowConfig[5], shadowConfig[6], shadowConfig[7]};
-            float lightPosY = shadowConfig[8];
-            float lightPosZ = shadowConfig[9];
-            float lightRadius = shadowConfig[10];
-            return setGlobalShadowSettings(ambientColor, spotColor, lightPosY, lightPosZ,
-                                           lightRadius);
-        }
-        case GET_DISPLAY_DECORATION_SUPPORT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken;
-            SAFE_PARCEL(data.readNullableStrongBinder, &displayToken);
-            std::optional<common::DisplayDecorationSupport> support;
-            auto error = getDisplayDecorationSupport(displayToken, &support);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport failed with error %d", error);
-                return error;
-            }
-            reply->writeBool(support.has_value());
-            if (support) {
-                reply->writeInt32(static_cast<int32_t>(support.value().format));
-                reply->writeInt32(static_cast<int32_t>(support.value().alphaInterpretation));
-            }
-            return error;
-        }
-        case SET_FRAME_RATE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> binder;
-            SAFE_PARCEL(data.readStrongBinder, &binder);
-
-            sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
-            if (!surface) {
-                ALOGE("setFrameRate: failed to cast to IGraphicBufferProducer");
-                return BAD_VALUE;
-            }
-            float frameRate;
-            SAFE_PARCEL(data.readFloat, &frameRate);
-
-            int8_t compatibility;
-            SAFE_PARCEL(data.readByte, &compatibility);
-
-            int8_t changeFrameRateStrategy;
-            SAFE_PARCEL(data.readByte, &changeFrameRateStrategy);
-
-            status_t result =
-                    setFrameRate(surface, frameRate, compatibility, changeFrameRateStrategy);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case SET_FRAME_TIMELINE_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> binder;
-            status_t err = data.readStrongBinder(&binder);
-            if (err != NO_ERROR) {
-                ALOGE("setFrameTimelineInfo: failed to read strong binder: %s (%d)", strerror(-err),
-                      -err);
-                return err;
-            }
-            sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
-            if (!surface) {
-                ALOGE("setFrameTimelineInfo: failed to cast to IGraphicBufferProducer: %s (%d)",
-                      strerror(-err), -err);
-                return err;
-            }
-
-            FrameTimelineInfo frameTimelineInfo;
-            SAFE_PARCEL(frameTimelineInfo.read, data);
-
-            status_t result = setFrameTimelineInfo(surface, frameTimelineInfo);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case ADD_TRANSACTION_TRACE_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITransactionTraceListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return addTransactionTraceListener(listener);
-        }
-        case GET_GPU_CONTEXT_PRIORITY: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int priority = getGPUContextPriority();
-            SAFE_PARCEL(reply->writeInt32, priority);
-            return NO_ERROR;
-        }
-        case GET_MAX_ACQUIRED_BUFFER_COUNT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int buffers = 0;
-            int err = getMaxAcquiredBufferCount(&buffers);
-            if (err != NO_ERROR) {
-                return err;
-            }
-            SAFE_PARCEL(reply->writeInt32, buffers);
-            return NO_ERROR;
-        }
-        case OVERRIDE_HDR_TYPES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            SAFE_PARCEL(data.readStrongBinder, &display);
-
-            std::vector<int32_t> hdrTypes;
-            SAFE_PARCEL(data.readInt32Vector, &hdrTypes);
-
-            std::vector<ui::Hdr> hdrTypesVector;
-            for (int i : hdrTypes) {
-                hdrTypesVector.push_back(static_cast<ui::Hdr>(i));
-            }
-            return overrideHdrTypes(display, hdrTypesVector);
-        }
-        case ON_PULL_ATOM: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int32_t atomId = 0;
-            SAFE_PARCEL(data.readInt32, &atomId);
-
-            std::string pulledData;
-            bool success;
-            status_t err = onPullAtom(atomId, &pulledData, &success);
-            SAFE_PARCEL(reply->writeByteArray, pulledData.size(),
-                        reinterpret_cast<const uint8_t*>(pulledData.data()));
-            SAFE_PARCEL(reply->writeBool, success);
-            return err;
-        }
-        case ADD_WINDOW_INFOS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IWindowInfosListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return addWindowInfosListener(listener);
-        }
-        case REMOVE_WINDOW_INFOS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IWindowInfosListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return removeWindowInfosListener(listener);
-        }
-        case SET_OVERRIDE_FRAME_RATE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            uid_t uid;
-            SAFE_PARCEL(data.readUint32, &uid);
-
-            float frameRate;
-            SAFE_PARCEL(data.readFloat, &frameRate);
-
-            return setOverrideFrameRate(uid, frameRate);
-        }
         default: {
             return BBinder::onTransact(code, data, reply, flags);
         }
diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp
deleted file mode 100644
index 5e7a7ec67b..0000000000
--- a/libs/gui/ISurfaceComposerClient.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// tag as surfaceflinger
-#define LOG_TAG "SurfaceFlinger"
-
-#include <gui/ISurfaceComposerClient.h>
-
-#include <gui/IGraphicBufferProducer.h>
-
-#include <binder/SafeInterface.h>
-
-#include <ui/FrameStats.h>
-
-namespace android {
-
-namespace { // Anonymous
-
-enum class Tag : uint32_t {
-    CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
-    CREATE_WITH_SURFACE_PARENT,
-    CLEAR_LAYER_FRAME_STATS,
-    GET_LAYER_FRAME_STATS,
-    MIRROR_SURFACE,
-    LAST = MIRROR_SURFACE,
-};
-
-} // Anonymous namespace
-
-class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
-public:
-    explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
-          : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
-
-    ~BpSurfaceComposerClient() override;
-
-    status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
-                           uint32_t flags, const sp<IBinder>& parent, LayerMetadata metadata,
-                           sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp,
-                           int32_t* outLayerId, uint32_t* outTransformHint) override {
-        return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
-                                                                            name, width, height,
-                                                                            format, flags, parent,
-                                                                            std::move(metadata),
-                                                                            handle, gbp, outLayerId,
-                                                                            outTransformHint);
-    }
-
-    status_t createWithSurfaceParent(const String8& name, uint32_t width, uint32_t height,
-                                     PixelFormat format, uint32_t flags,
-                                     const sp<IGraphicBufferProducer>& parent,
-                                     LayerMetadata metadata, sp<IBinder>* handle,
-                                     sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                     uint32_t* outTransformHint) override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::createWithSurfaceParent)>(Tag::CREATE_WITH_SURFACE_PARENT,
-                                                                   name, width, height, format,
-                                                                   flags, parent,
-                                                                   std::move(metadata), handle, gbp,
-                                                                   outLayerId, outTransformHint);
-    }
-
-    status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
-                                                                handle);
-    }
-
-    status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
-                                                              outStats);
-    }
-
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                           int32_t* outLayerId) override {
-        return callRemote<decltype(&ISurfaceComposerClient::mirrorSurface)>(Tag::MIRROR_SURFACE,
-                                                                            mirrorFromHandle,
-                                                                            outHandle, outLayerId);
-    }
-};
-
-// Out-of-line virtual method definition to trigger vtable emission in this
-// translation unit (see clang warning -Wweak-vtables)
-BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
-
-IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
-
-// ----------------------------------------------------------------------
-
-status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
-                                             uint32_t flags) {
-    if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
-        return BBinder::onTransact(code, data, reply, flags);
-    }
-    auto tag = static_cast<Tag>(code);
-    switch (tag) {
-        case Tag::CREATE_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
-        case Tag::CREATE_WITH_SURFACE_PARENT:
-            return callLocal(data, reply, &ISurfaceComposerClient::createWithSurfaceParent);
-        case Tag::CLEAR_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
-        case Tag::GET_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
-        case Tag::MIRROR_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::mirrorSurface);
-    }
-}
-
-} // namespace android
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index e4b8bad8f8..23d7d500c8 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -17,23 +17,15 @@
 #define LOG_TAG "ITransactionCompletedListener"
 //#define LOG_NDEBUG 0
 
+#include <cstdint>
+#include <optional>
+
 #include <gui/ISurfaceComposer.h>
-#include <gui/ITransactionCompletedListener.h>
 #include <gui/LayerState.h>
+#include <gui/ListenerStats.h>
 #include <private/gui/ParcelUtils.h>
 
-namespace android {
-
-namespace { // Anonymous
-
-enum class Tag : uint32_t {
-    ON_TRANSACTION_COMPLETED = IBinder::FIRST_CALL_TRANSACTION,
-    ON_RELEASE_BUFFER,
-    ON_TRANSACTION_QUEUE_STALLED,
-    LAST = ON_RELEASE_BUFFER,
-};
-
-} // Anonymous namespace
+namespace android::gui {
 
 status_t FrameEventHistoryStats::writeToParcel(Parcel* output) const {
     status_t err = output->writeUint64(frameNumber);
@@ -126,7 +118,12 @@ status_t SurfaceStats::writeToParcel(Parcel* output) const {
     } else {
         SAFE_PARCEL(output->writeBool, false);
     }
-    SAFE_PARCEL(output->writeUint32, transformHint);
+
+    SAFE_PARCEL(output->writeBool, transformHint.has_value());
+    if (transformHint.has_value()) {
+        output->writeUint32(transformHint.value());
+    }
+
     SAFE_PARCEL(output->writeUint32, currentMaxAcquiredBufferCount);
     SAFE_PARCEL(output->writeParcelable, eventStats);
     SAFE_PARCEL(output->writeInt32, static_cast<int32_t>(jankData.size()));
@@ -156,7 +153,16 @@ status_t SurfaceStats::readFromParcel(const Parcel* input) {
         previousReleaseFence = new Fence();
         SAFE_PARCEL(input->read, *previousReleaseFence);
     }
-    SAFE_PARCEL(input->readUint32, &transformHint);
+    bool hasTransformHint = false;
+    SAFE_PARCEL(input->readBool, &hasTransformHint);
+    if (hasTransformHint) {
+        uint32_t tempTransformHint;
+        SAFE_PARCEL(input->readUint32, &tempTransformHint);
+        transformHint = std::make_optional(tempTransformHint);
+    } else {
+        transformHint = std::nullopt;
+    }
+
     SAFE_PARCEL(input->readUint32, &currentMaxAcquiredBufferCount);
     SAFE_PARCEL(input->readParcelable, &eventStats);
 
@@ -257,58 +263,6 @@ ListenerStats ListenerStats::createEmpty(
     return listenerStats;
 }
 
-class BpTransactionCompletedListener : public SafeBpInterface<ITransactionCompletedListener> {
-public:
-    explicit BpTransactionCompletedListener(const sp<IBinder>& impl)
-          : SafeBpInterface<ITransactionCompletedListener>(impl, "BpTransactionCompletedListener") {
-    }
-
-    ~BpTransactionCompletedListener() override;
-
-    void onTransactionCompleted(ListenerStats stats) override {
-        callRemoteAsync<decltype(&ITransactionCompletedListener::
-                                         onTransactionCompleted)>(Tag::ON_TRANSACTION_COMPLETED,
-                                                                  stats);
-    }
-
-    void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
-                         uint32_t currentMaxAcquiredBufferCount) override {
-        callRemoteAsync<decltype(
-                &ITransactionCompletedListener::onReleaseBuffer)>(Tag::ON_RELEASE_BUFFER,
-                                                                  callbackId, releaseFence,
-                                                                  currentMaxAcquiredBufferCount);
-    }
-
-    void onTransactionQueueStalled() override {
-        callRemoteAsync<decltype(&ITransactionCompletedListener::onTransactionQueueStalled)>(
-            Tag::ON_TRANSACTION_QUEUE_STALLED);
-    }
-};
-
-// Out-of-line virtual method definitions to trigger vtable emission in this translation unit (see
-// clang warning -Wweak-vtables)
-BpTransactionCompletedListener::~BpTransactionCompletedListener() = default;
-
-IMPLEMENT_META_INTERFACE(TransactionCompletedListener, "android.gui.ITransactionComposerListener");
-
-status_t BnTransactionCompletedListener::onTransact(uint32_t code, const Parcel& data,
-                                                    Parcel* reply, uint32_t flags) {
-    if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
-        return BBinder::onTransact(code, data, reply, flags);
-    }
-    auto tag = static_cast<Tag>(code);
-    switch (tag) {
-        case Tag::ON_TRANSACTION_COMPLETED:
-            return callLocalAsync(data, reply,
-                                  &ITransactionCompletedListener::onTransactionCompleted);
-        case Tag::ON_RELEASE_BUFFER:
-            return callLocalAsync(data, reply, &ITransactionCompletedListener::onReleaseBuffer);
-        case Tag::ON_TRANSACTION_QUEUE_STALLED:
-            return callLocalAsync(data, reply,
-                                  &ITransactionCompletedListener::onTransactionQueueStalled);
-    }
-}
-
 ListenerCallbacks ListenerCallbacks::filter(CallbackId::Type type) const {
     std::vector<CallbackId> filteredCallbackIds;
     for (const auto& callbackId : callbackIds) {
@@ -347,4 +301,4 @@ status_t ReleaseCallbackId::readFromParcel(const Parcel* input) {
 
 const ReleaseCallbackId ReleaseCallbackId::INVALID_ID = ReleaseCallbackId(0, 0);
 
-}; // namespace android
+}; // namespace android::gui
diff --git a/libs/gui/LayerDebugInfo.cpp b/libs/gui/LayerDebugInfo.cpp
index ea5fb293a6..15b2221464 100644
--- a/libs/gui/LayerDebugInfo.cpp
+++ b/libs/gui/LayerDebugInfo.cpp
@@ -27,7 +27,7 @@ using android::base::StringAppendF;
 
 #define RETURN_ON_ERROR(X) do {status_t res = (X); if (res != NO_ERROR) return res;} while(false)
 
-namespace android {
+namespace android::gui {
 
 status_t LayerDebugInfo::writeToParcel(Parcel* parcel) const {
     RETURN_ON_ERROR(parcel->writeCString(mName.c_str()));
@@ -149,4 +149,4 @@ std::string to_string(const LayerDebugInfo& info) {
     return result;
 }
 
-} // android
+} // namespace android::gui
diff --git a/libs/gui/LayerMetadata.cpp b/libs/gui/LayerMetadata.cpp
index 189d51a4c1..4e12fd330c 100644
--- a/libs/gui/LayerMetadata.cpp
+++ b/libs/gui/LayerMetadata.cpp
@@ -23,7 +23,7 @@
 
 using android::base::StringPrintf;
 
-namespace android {
+namespace android::gui {
 
 LayerMetadata::LayerMetadata() = default;
 
@@ -144,4 +144,4 @@ std::string LayerMetadata::itemToString(uint32_t key, const char* separator) con
     }
 }
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 502031c8d8..0d1a69b898 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -19,17 +19,39 @@
 #include <cinttypes>
 #include <cmath>
 
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/native_window.h>
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
+#include <gui/SurfaceControl.h>
 #include <private/gui/ParcelUtils.h>
 #include <system/window.h>
 #include <utils/Errors.h>
 
+#define CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD)          \
+    {                                                               \
+        if ((OTHER.what & CHANGE_FLAG) && (FIELD != OTHER.FIELD)) { \
+            DIFF_RESULT |= CHANGE_FLAG;                             \
+        }                                                           \
+    }
+
+#define CHECK_DIFF2(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD1, FIELD2) \
+    {                                                                \
+        CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD1)          \
+        CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD2)          \
+    }
+
+#define CHECK_DIFF3(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD1, FIELD2, FIELD3) \
+    {                                                                        \
+        CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD1)                  \
+        CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD2)                  \
+        CHECK_DIFF(DIFF_RESULT, CHANGE_FLAG, OTHER, FIELD3)                  \
+    }
+
 namespace android {
 
+using gui::CallbackId;
 using gui::FocusRequest;
 using gui::WindowInfoHandle;
 
@@ -40,15 +62,13 @@ layer_state_t::layer_state_t()
         x(0),
         y(0),
         z(0),
-        w(0),
-        h(0),
-        alpha(0),
         flags(0),
         mask(0),
         reserved(0),
         cornerRadius(0.0f),
         backgroundBlurRadius(0),
-        transform(0),
+        color(0),
+        bufferTransform(0),
         transformToDisplayInverse(false),
         crop(Rect::INVALID_RECT),
         dataspace(ui::Dataspace::UNKNOWN),
@@ -63,9 +83,11 @@ layer_state_t::layer_state_t()
         frameRate(0.0f),
         frameRateCompatibility(ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT),
         changeFrameRateStrategy(ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS),
+        defaultFrameRateCompatibility(ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT),
         fixedTransformHint(ui::Transform::ROT_INVALID),
         autoRefresh(false),
         isTrustedOverlay(false),
+        borderEnabled(false),
         bufferCrop(Rect::INVALID_RECT),
         destinationFrame(Rect::INVALID_RECT),
         dropInputMode(gui::DropInputMode::NONE) {
@@ -82,25 +104,27 @@ status_t layer_state_t::write(Parcel& output) const
     SAFE_PARCEL(output.writeFloat, x);
     SAFE_PARCEL(output.writeFloat, y);
     SAFE_PARCEL(output.writeInt32, z);
-    SAFE_PARCEL(output.writeUint32, w);
-    SAFE_PARCEL(output.writeUint32, h);
     SAFE_PARCEL(output.writeUint32, layerStack.id);
-    SAFE_PARCEL(output.writeFloat, alpha);
     SAFE_PARCEL(output.writeUint32, flags);
     SAFE_PARCEL(output.writeUint32, mask);
     SAFE_PARCEL(matrix.write, output);
     SAFE_PARCEL(output.write, crop);
-    SAFE_PARCEL(SurfaceControl::writeNullableToParcel, output, reparentSurfaceControl);
     SAFE_PARCEL(SurfaceControl::writeNullableToParcel, output, relativeLayerSurfaceControl);
     SAFE_PARCEL(SurfaceControl::writeNullableToParcel, output, parentSurfaceControlForChild);
     SAFE_PARCEL(output.writeFloat, color.r);
     SAFE_PARCEL(output.writeFloat, color.g);
     SAFE_PARCEL(output.writeFloat, color.b);
+    SAFE_PARCEL(output.writeFloat, color.a);
     SAFE_PARCEL(windowInfoHandle->writeToParcel, &output);
     SAFE_PARCEL(output.write, transparentRegion);
-    SAFE_PARCEL(output.writeUint32, transform);
+    SAFE_PARCEL(output.writeUint32, bufferTransform);
     SAFE_PARCEL(output.writeBool, transformToDisplayInverse);
-
+    SAFE_PARCEL(output.writeBool, borderEnabled);
+    SAFE_PARCEL(output.writeFloat, borderWidth);
+    SAFE_PARCEL(output.writeFloat, borderColor.r);
+    SAFE_PARCEL(output.writeFloat, borderColor.g);
+    SAFE_PARCEL(output.writeFloat, borderColor.b);
+    SAFE_PARCEL(output.writeFloat, borderColor.a);
     SAFE_PARCEL(output.writeUint32, static_cast<uint32_t>(dataspace));
     SAFE_PARCEL(output.write, hdrMetadata);
     SAFE_PARCEL(output.write, surfaceDamageRegion);
@@ -131,6 +155,7 @@ status_t layer_state_t::write(Parcel& output) const
     SAFE_PARCEL(output.writeFloat, frameRate);
     SAFE_PARCEL(output.writeByte, frameRateCompatibility);
     SAFE_PARCEL(output.writeByte, changeFrameRateStrategy);
+    SAFE_PARCEL(output.writeByte, defaultFrameRateCompatibility);
     SAFE_PARCEL(output.writeUint32, fixedTransformHint);
     SAFE_PARCEL(output.writeBool, autoRefresh);
     SAFE_PARCEL(output.writeBool, dimmingEnabled);
@@ -172,10 +197,7 @@ status_t layer_state_t::read(const Parcel& input)
     SAFE_PARCEL(input.readFloat, &x);
     SAFE_PARCEL(input.readFloat, &y);
     SAFE_PARCEL(input.readInt32, &z);
-    SAFE_PARCEL(input.readUint32, &w);
-    SAFE_PARCEL(input.readUint32, &h);
     SAFE_PARCEL(input.readUint32, &layerStack.id);
-    SAFE_PARCEL(input.readFloat, &alpha);
 
     SAFE_PARCEL(input.readUint32, &flags);
 
@@ -183,7 +205,6 @@ status_t layer_state_t::read(const Parcel& input)
 
     SAFE_PARCEL(matrix.read, input);
     SAFE_PARCEL(input.read, crop);
-    SAFE_PARCEL(SurfaceControl::readNullableFromParcel, input, &reparentSurfaceControl);
 
     SAFE_PARCEL(SurfaceControl::readNullableFromParcel, input, &relativeLayerSurfaceControl);
     SAFE_PARCEL(SurfaceControl::readNullableFromParcel, input, &parentSurfaceControlForChild);
@@ -195,11 +216,25 @@ status_t layer_state_t::read(const Parcel& input)
     color.g = tmpFloat;
     SAFE_PARCEL(input.readFloat, &tmpFloat);
     color.b = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    color.a = tmpFloat;
+
     SAFE_PARCEL(windowInfoHandle->readFromParcel, &input);
 
     SAFE_PARCEL(input.read, transparentRegion);
-    SAFE_PARCEL(input.readUint32, &transform);
+    SAFE_PARCEL(input.readUint32, &bufferTransform);
     SAFE_PARCEL(input.readBool, &transformToDisplayInverse);
+    SAFE_PARCEL(input.readBool, &borderEnabled);
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderWidth = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.r = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.g = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.b = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.a = tmpFloat;
 
     uint32_t tmpUint32 = 0;
     SAFE_PARCEL(input.readUint32, &tmpUint32);
@@ -240,6 +275,7 @@ status_t layer_state_t::read(const Parcel& input)
     SAFE_PARCEL(input.readFloat, &frameRate);
     SAFE_PARCEL(input.readByte, &frameRateCompatibility);
     SAFE_PARCEL(input.readByte, &changeFrameRateStrategy);
+    SAFE_PARCEL(input.readByte, &defaultFrameRateCompatibility);
     SAFE_PARCEL(input.readUint32, &tmpUint32);
     fixedTransformHint = static_cast<ui::Transform::RotationFlags>(tmpUint32);
     SAFE_PARCEL(input.readBool, &autoRefresh);
@@ -353,6 +389,27 @@ void DisplayState::merge(const DisplayState& other) {
     }
 }
 
+void DisplayState::sanitize(int32_t permissions) {
+    if (what & DisplayState::eLayerStackChanged) {
+        if (!(permissions & layer_state_t::Permission::ACCESS_SURFACE_FLINGER)) {
+            what &= ~DisplayState::eLayerStackChanged;
+            ALOGE("Stripped attempt to set eLayerStackChanged in sanitize");
+        }
+    }
+    if (what & DisplayState::eDisplayProjectionChanged) {
+        if (!(permissions & layer_state_t::Permission::ACCESS_SURFACE_FLINGER)) {
+            what &= ~DisplayState::eDisplayProjectionChanged;
+            ALOGE("Stripped attempt to set eDisplayProjectionChanged in sanitize");
+        }
+    }
+    if (what & DisplayState::eSurfaceChanged) {
+        if (!(permissions & layer_state_t::Permission::ACCESS_SURFACE_FLINGER)) {
+            what &= ~DisplayState::eSurfaceChanged;
+            ALOGE("Stripped attempt to set eSurfaceChanged in sanitize");
+        }
+    }
+}
+
 void layer_state_t::sanitize(int32_t permissions) {
     // TODO: b/109894387
     //
@@ -437,14 +494,9 @@ void layer_state_t::merge(const layer_state_t& other) {
         what &= ~eRelativeLayerChanged;
         z = other.z;
     }
-    if (other.what & eSizeChanged) {
-        what |= eSizeChanged;
-        w = other.w;
-        h = other.h;
-    }
     if (other.what & eAlphaChanged) {
         what |= eAlphaChanged;
-        alpha = other.alpha;
+        color.a = other.color.a;
     }
     if (other.what & eMatrixChanged) {
         what |= eMatrixChanged;
@@ -486,12 +538,9 @@ void layer_state_t::merge(const layer_state_t& other) {
         what |= eReparent;
         parentSurfaceControlForChild = other.parentSurfaceControlForChild;
     }
-    if (other.what & eDestroySurface) {
-        what |= eDestroySurface;
-    }
-    if (other.what & eTransformChanged) {
-        what |= eTransformChanged;
-        transform = other.transform;
+    if (other.what & eBufferTransformChanged) {
+        what |= eBufferTransformChanged;
+        bufferTransform = other.bufferTransform;
     }
     if (other.what & eTransformToDisplayInverseChanged) {
         what |= eTransformToDisplayInverseChanged;
@@ -538,7 +587,7 @@ void layer_state_t::merge(const layer_state_t& other) {
     }
     if (other.what & eBackgroundColorChanged) {
         what |= eBackgroundColorChanged;
-        color = other.color;
+        color.rgb = other.color.rgb;
         bgColorAlpha = other.bgColorAlpha;
         bgColorDataspace = other.bgColorDataspace;
     }
@@ -550,6 +599,16 @@ void layer_state_t::merge(const layer_state_t& other) {
         what |= eShadowRadiusChanged;
         shadowRadius = other.shadowRadius;
     }
+    if (other.what & eRenderBorderChanged) {
+        what |= eRenderBorderChanged;
+        borderEnabled = other.borderEnabled;
+        borderWidth = other.borderWidth;
+        borderColor = other.borderColor;
+    }
+    if (other.what & eDefaultFrameRateCompatibilityChanged) {
+        what |= eDefaultFrameRateCompatibilityChanged;
+        defaultFrameRateCompatibility = other.defaultFrameRateCompatibility;
+    }
     if (other.what & eFrameRateSelectionPriority) {
         what |= eFrameRateSelectionPriority;
         frameRateSelectionPriority = other.frameRateSelectionPriority;
@@ -593,7 +652,7 @@ void layer_state_t::merge(const layer_state_t& other) {
     }
     if (other.what & eColorChanged) {
         what |= eColorChanged;
-        color = other.color;
+        color.rgb = other.color.rgb;
     }
     if (other.what & eColorSpaceAgnosticChanged) {
         what |= eColorSpaceAgnosticChanged;
@@ -610,12 +669,80 @@ void layer_state_t::merge(const layer_state_t& other) {
     }
 }
 
+uint64_t layer_state_t::diff(const layer_state_t& other) const {
+    uint64_t diff = 0;
+    CHECK_DIFF2(diff, ePositionChanged, other, x, y);
+    if (other.what & eLayerChanged) {
+        diff |= eLayerChanged;
+        diff &= ~eRelativeLayerChanged;
+    }
+    CHECK_DIFF(diff, eAlphaChanged, other, color.a);
+    CHECK_DIFF(diff, eMatrixChanged, other, matrix);
+    if (other.what & eTransparentRegionChanged &&
+        (!transparentRegion.hasSameRects(other.transparentRegion))) {
+        diff |= eTransparentRegionChanged;
+    }
+    if (other.what & eFlagsChanged) {
+        uint64_t changedFlags = (flags & other.mask) ^ (other.flags & other.mask);
+        if (changedFlags) diff |= eFlagsChanged;
+    }
+    CHECK_DIFF(diff, eLayerStackChanged, other, layerStack);
+    CHECK_DIFF(diff, eCornerRadiusChanged, other, cornerRadius);
+    CHECK_DIFF(diff, eBackgroundBlurRadiusChanged, other, backgroundBlurRadius);
+    if (other.what & eBlurRegionsChanged) diff |= eBlurRegionsChanged;
+    if (other.what & eRelativeLayerChanged) {
+        diff |= eRelativeLayerChanged;
+        diff &= ~eLayerChanged;
+    }
+    if (other.what & eReparent &&
+        !SurfaceControl::isSameSurface(parentSurfaceControlForChild,
+                                       other.parentSurfaceControlForChild)) {
+        diff |= eReparent;
+    }
+    CHECK_DIFF(diff, eBufferTransformChanged, other, bufferTransform);
+    CHECK_DIFF(diff, eTransformToDisplayInverseChanged, other, transformToDisplayInverse);
+    CHECK_DIFF(diff, eCropChanged, other, crop);
+    if (other.what & eBufferChanged) diff |= eBufferChanged;
+    CHECK_DIFF(diff, eDataspaceChanged, other, dataspace);
+    CHECK_DIFF(diff, eHdrMetadataChanged, other, hdrMetadata);
+    if (other.what & eSurfaceDamageRegionChanged &&
+        (!surfaceDamageRegion.hasSameRects(other.surfaceDamageRegion))) {
+        diff |= eSurfaceDamageRegionChanged;
+    }
+    CHECK_DIFF(diff, eApiChanged, other, api);
+    if (other.what & eSidebandStreamChanged) diff |= eSidebandStreamChanged;
+    CHECK_DIFF(diff, eApiChanged, other, api);
+    CHECK_DIFF(diff, eColorTransformChanged, other, colorTransform);
+    if (other.what & eHasListenerCallbacksChanged) diff |= eHasListenerCallbacksChanged;
+    if (other.what & eInputInfoChanged) diff |= eInputInfoChanged;
+    CHECK_DIFF3(diff, eBackgroundColorChanged, other, color.rgb, bgColorAlpha, bgColorDataspace);
+    if (other.what & eMetadataChanged) diff |= eMetadataChanged;
+    CHECK_DIFF(diff, eShadowRadiusChanged, other, shadowRadius);
+    CHECK_DIFF3(diff, eRenderBorderChanged, other, borderEnabled, borderWidth, borderColor);
+    CHECK_DIFF(diff, eDefaultFrameRateCompatibilityChanged, other, defaultFrameRateCompatibility);
+    CHECK_DIFF(diff, eFrameRateSelectionPriority, other, frameRateSelectionPriority);
+    CHECK_DIFF3(diff, eFrameRateChanged, other, frameRate, frameRateCompatibility,
+                changeFrameRateStrategy);
+    CHECK_DIFF(diff, eFixedTransformHintChanged, other, fixedTransformHint);
+    CHECK_DIFF(diff, eAutoRefreshChanged, other, autoRefresh);
+    CHECK_DIFF(diff, eTrustedOverlayChanged, other, isTrustedOverlay);
+    CHECK_DIFF(diff, eStretchChanged, other, stretchEffect);
+    CHECK_DIFF(diff, eBufferCropChanged, other, bufferCrop);
+    CHECK_DIFF(diff, eDestinationFrameChanged, other, destinationFrame);
+    if (other.what & eProducerDisconnect) diff |= eProducerDisconnect;
+    CHECK_DIFF(diff, eDropInputModeChanged, other, dropInputMode);
+    CHECK_DIFF(diff, eColorChanged, other, color.rgb);
+    CHECK_DIFF(diff, eColorSpaceAgnosticChanged, other, colorSpaceAgnostic);
+    CHECK_DIFF(diff, eDimmingEnabledChanged, other, dimmingEnabled);
+    return diff;
+}
+
 bool layer_state_t::hasBufferChanges() const {
     return what & layer_state_t::eBufferChanged;
 }
 
 bool layer_state_t::hasValidBuffer() const {
-    return bufferData && (bufferData->buffer || bufferData->cachedBuffer.isValid());
+    return bufferData && (bufferData->hasBuffer() || bufferData->cachedBuffer.isValid());
 }
 
 status_t layer_state_t::matrix22_t::write(Parcel& output) const {
@@ -641,29 +768,44 @@ bool InputWindowCommands::merge(const InputWindowCommands& other) {
     changes |= !other.focusRequests.empty();
     focusRequests.insert(focusRequests.end(), std::make_move_iterator(other.focusRequests.begin()),
                          std::make_move_iterator(other.focusRequests.end()));
-    changes |= other.syncInputWindows && !syncInputWindows;
-    syncInputWindows |= other.syncInputWindows;
+    changes |= !other.windowInfosReportedListeners.empty();
+    windowInfosReportedListeners.insert(other.windowInfosReportedListeners.begin(),
+                                        other.windowInfosReportedListeners.end());
     return changes;
 }
 
 bool InputWindowCommands::empty() const {
-    return focusRequests.empty() && !syncInputWindows;
+    return focusRequests.empty() && windowInfosReportedListeners.empty();
 }
 
 void InputWindowCommands::clear() {
     focusRequests.clear();
-    syncInputWindows = false;
+    windowInfosReportedListeners.clear();
 }
 
 status_t InputWindowCommands::write(Parcel& output) const {
     SAFE_PARCEL(output.writeParcelableVector, focusRequests);
-    SAFE_PARCEL(output.writeBool, syncInputWindows);
+
+    SAFE_PARCEL(output.writeInt32, windowInfosReportedListeners.size());
+    for (const auto& listener : windowInfosReportedListeners) {
+        SAFE_PARCEL(output.writeStrongBinder, listener);
+    }
+
     return NO_ERROR;
 }
 
 status_t InputWindowCommands::read(const Parcel& input) {
     SAFE_PARCEL(input.readParcelableVector, &focusRequests);
-    SAFE_PARCEL(input.readBool, &syncInputWindows);
+
+    int listenerSize = 0;
+    SAFE_PARCEL_READ_SIZE(input.readInt32, &listenerSize, input.dataSize());
+    windowInfosReportedListeners.reserve(listenerSize);
+    for (int i = 0; i < listenerSize; i++) {
+        sp<gui::IWindowInfosReportedListener> listener;
+        SAFE_PARCEL(input.readStrongBinder, &listener);
+        windowInfosReportedListeners.insert(listener);
+    }
+
     return NO_ERROR;
 }
 
diff --git a/libs/gui/ScreenCaptureResults.cpp b/libs/gui/ScreenCaptureResults.cpp
index fe387064bc..601a5f9b33 100644
--- a/libs/gui/ScreenCaptureResults.cpp
+++ b/libs/gui/ScreenCaptureResults.cpp
@@ -17,6 +17,7 @@
 #include <gui/ScreenCaptureResults.h>
 
 #include <private/gui/ParcelUtils.h>
+#include <ui/FenceResult.h>
 
 namespace android::gui {
 
@@ -28,17 +29,17 @@ status_t ScreenCaptureResults::writeToParcel(android::Parcel* parcel) const {
         SAFE_PARCEL(parcel->writeBool, false);
     }
 
-    if (fence != Fence::NO_FENCE) {
+    if (fenceResult.ok() && fenceResult.value() != Fence::NO_FENCE) {
         SAFE_PARCEL(parcel->writeBool, true);
-        SAFE_PARCEL(parcel->write, *fence);
+        SAFE_PARCEL(parcel->write, *fenceResult.value());
     } else {
         SAFE_PARCEL(parcel->writeBool, false);
+        SAFE_PARCEL(parcel->writeInt32, fenceStatus(fenceResult));
     }
 
     SAFE_PARCEL(parcel->writeBool, capturedSecureLayers);
     SAFE_PARCEL(parcel->writeBool, capturedHdrLayers);
     SAFE_PARCEL(parcel->writeUint32, static_cast<uint32_t>(capturedDataspace));
-    SAFE_PARCEL(parcel->writeInt32, result);
     return NO_ERROR;
 }
 
@@ -53,8 +54,13 @@ status_t ScreenCaptureResults::readFromParcel(const android::Parcel* parcel) {
     bool hasFence;
     SAFE_PARCEL(parcel->readBool, &hasFence);
     if (hasFence) {
-        fence = new Fence();
-        SAFE_PARCEL(parcel->read, *fence);
+        fenceResult = sp<Fence>::make();
+        SAFE_PARCEL(parcel->read, *fenceResult.value());
+    } else {
+        status_t status;
+        SAFE_PARCEL(parcel->readInt32, &status);
+        fenceResult = status == NO_ERROR ? FenceResult(Fence::NO_FENCE)
+                                         : FenceResult(base::unexpected(status));
     }
 
     SAFE_PARCEL(parcel->readBool, &capturedSecureLayers);
@@ -62,7 +68,6 @@ status_t ScreenCaptureResults::readFromParcel(const android::Parcel* parcel) {
     uint32_t dataspace = 0;
     SAFE_PARCEL(parcel->readUint32, &dataspace);
     capturedDataspace = static_cast<ui::Dataspace>(dataspace);
-    SAFE_PARCEL(parcel->readInt32, &result);
     return NO_ERROR;
 }
 
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 3b137080ab..edb18a86ee 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -30,15 +30,17 @@
 #include <android/gui/DisplayStatInfo.h>
 #include <android/native_window.h>
 
+#include <gui/TraceUtils.h>
 #include <utils/Log.h>
-#include <utils/Trace.h>
 #include <utils/NativeHandle.h>
+#include <utils/Trace.h>
 
 #include <ui/DynamicDisplayInfo.h>
 #include <ui/Fence.h>
 #include <ui/GraphicBuffer.h>
 #include <ui/Region.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItem.h>
 #include <gui/IProducerListener.h>
 
@@ -49,10 +51,17 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::Dataspace;
 
 namespace {
 
+enum {
+    // moved from nativewindow/include/system/window.h, to be removed
+    NATIVE_WINDOW_GET_WIDE_COLOR_SUPPORT = 28,
+    NATIVE_WINDOW_GET_HDR_SUPPORT = 29,
+};
+
 bool isInterceptorRegistrationOp(int op) {
     return op == NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR ||
             op == NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR ||
@@ -182,7 +191,7 @@ status_t Surface::getDisplayRefreshCycleDuration(nsecs_t* outRefreshDuration) {
     gui::DisplayStatInfo stats;
     binder::Status status = composerServiceAIDL()->getDisplayStats(nullptr, &stats);
     if (!status.isOk()) {
-        return status.transactionError();
+        return statusTFromBinderStatus(status);
     }
 
     *outRefreshDuration = stats.vsyncPeriod;
@@ -345,33 +354,25 @@ status_t Surface::getFrameTimestamps(uint64_t frameNumber,
     return NO_ERROR;
 }
 
+// Deprecated(b/242763577): to be removed, this method should not be used
+// The reason this method still exists here is to support compiled vndk
+// Surface support should not be tied to the display
+// Return true since most displays should have this support
 status_t Surface::getWideColorSupport(bool* supported) {
     ATRACE_CALL();
 
-    const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
-    if (display == nullptr) {
-        return NAME_NOT_FOUND;
-    }
-
-    *supported = false;
-    binder::Status status = composerServiceAIDL()->isWideColorDisplay(display, supported);
-    return status.transactionError();
+    *supported = true;
+    return NO_ERROR;
 }
 
+// Deprecated(b/242763577): to be removed, this method should not be used
+// The reason this method still exists here is to support compiled vndk
+// Surface support should not be tied to the display
+// Return true since most displays should have this support
 status_t Surface::getHdrSupport(bool* supported) {
     ATRACE_CALL();
 
-    const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
-    if (display == nullptr) {
-        return NAME_NOT_FOUND;
-    }
-
-    ui::DynamicDisplayInfo info;
-    if (status_t err = composerService()->getDynamicDisplayInfo(display, &info); err != NO_ERROR) {
-        return err;
-    }
-
-    *supported = !info.hdrCapabilities.getSupportedHdrTypes().empty();
+    *supported = true;
     return NO_ERROR;
 }
 
@@ -634,7 +635,7 @@ void Surface::getDequeueBufferInputLocked(
 }
 
 int Surface::dequeueBuffer(android_native_buffer_t** buffer, int* fenceFd) {
-    ATRACE_CALL();
+    ATRACE_FORMAT("dequeueBuffer - %s", getDebugName());
     ALOGV("Surface::dequeueBuffer");
 
     IGraphicBufferProducer::DequeueBufferInput dqInput;
@@ -1259,10 +1260,10 @@ void Surface::querySupportedTimestampsLocked() const {
     mQueriedSupportedTimestamps = true;
 
     std::vector<FrameEvent> supportedFrameTimestamps;
-    status_t err = composerService()->getSupportedFrameTimestamps(
-            &supportedFrameTimestamps);
+    binder::Status status =
+            composerServiceAIDL()->getSupportedFrameTimestamps(&supportedFrameTimestamps);
 
-    if (err != NO_ERROR) {
+    if (!status.isOk()) {
         return;
     }
 
@@ -1290,15 +1291,12 @@ int Surface::query(int what, int* value) const {
                 if (err == NO_ERROR) {
                     return NO_ERROR;
                 }
-                sp<ISurfaceComposer> surfaceComposer = composerService();
+                sp<gui::ISurfaceComposer> surfaceComposer = composerServiceAIDL();
                 if (surfaceComposer == nullptr) {
                     return -EPERM; // likely permissions error
                 }
-                if (surfaceComposer->authenticateSurfaceTexture(mGraphicBufferProducer)) {
-                    *value = 1;
-                } else {
-                    *value = 0;
-                }
+                // ISurfaceComposer no longer supports authenticateSurfaceTexture
+                *value = 0;
                 return NO_ERROR;
             }
             case NATIVE_WINDOW_CONCRETE_TYPE:
@@ -1870,7 +1868,11 @@ int Surface::dispatchSetFrameTimelineInfo(va_list args) {
     auto startTimeNanos = static_cast<int64_t>(va_arg(args, int64_t));
 
     ALOGV("Surface::%s", __func__);
-    return setFrameTimelineInfo({frameTimelineVsyncId, inputEventId, startTimeNanos});
+    FrameTimelineInfo ftlInfo;
+    ftlInfo.vsyncId = frameTimelineVsyncId;
+    ftlInfo.inputEventId = inputEventId;
+    ftlInfo.startTimeNanos = startTimeNanos;
+    return setFrameTimelineInfo(ftlInfo);
 }
 
 bool Surface::transformToDisplayInverse() const {
@@ -2630,22 +2632,18 @@ void Surface::ProducerListenerProxy::onBuffersDiscarded(const std::vector<int32_
     mSurfaceListener->onBuffersDiscarded(discardedBufs);
 }
 
-status_t Surface::setFrameRate(float frameRate, int8_t compatibility,
-                               int8_t changeFrameRateStrategy) {
-    ATRACE_CALL();
-    ALOGV("Surface::setFrameRate");
-
-    if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
-                           "Surface::setFrameRate")) {
-        return BAD_VALUE;
-    }
-
-    return composerService()->setFrameRate(mGraphicBufferProducer, frameRate, compatibility,
-                                           changeFrameRateStrategy);
+[[deprecated]] status_t Surface::setFrameRate(float /*frameRate*/, int8_t /*compatibility*/,
+                                              int8_t /*changeFrameRateStrategy*/) {
+    ALOGI("Surface::setFrameRate is deprecated, setFrameRate hint is dropped as destination is not "
+          "SurfaceFlinger");
+    // ISurfaceComposer no longer supports setFrameRate, we will return NO_ERROR when the api is
+    // called to avoid apps crashing, as BAD_VALUE can generate fatal exception in apps.
+    return NO_ERROR;
 }
 
-status_t Surface::setFrameTimelineInfo(const FrameTimelineInfo& frameTimelineInfo) {
-    return composerService()->setFrameTimelineInfo(mGraphicBufferProducer, frameTimelineInfo);
+status_t Surface::setFrameTimelineInfo(const FrameTimelineInfo& /*frameTimelineInfo*/) {
+    // ISurfaceComposer no longer supports setFrameTimelineInfo
+    return BAD_VALUE;
 }
 
 sp<IBinder> Surface::getSurfaceControlHandle() const {
@@ -2658,4 +2656,12 @@ void Surface::destroy() {
     mSurfaceControlHandle = nullptr;
 }
 
+const char* Surface::getDebugName() {
+    std::unique_lock lock{mNameMutex};
+    if (mName.empty()) {
+        mName = getConsumerName();
+    }
+    return mName.c_str();
+}
+
 }; // namespace android
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 0f5192d41c..d741c99d01 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -16,11 +16,16 @@
 
 #define LOG_TAG "SurfaceComposerClient"
 
+#include <semaphore.h>
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <android/gui/BnWindowInfosReportedListener.h>
 #include <android/gui/DisplayState.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/gui/IWindowInfosListener.h>
+#include <android/os/IInputConstants.h>
+#include <gui/TraceUtils.h>
 #include <utils/Errors.h>
 #include <utils/Log.h>
 #include <utils/SortedVector.h>
@@ -33,11 +38,11 @@
 
 #include <system/graphics.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItemConsumer.h>
 #include <gui/CpuConsumer.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
@@ -61,6 +66,7 @@ using gui::IRegionSamplingListener;
 using gui::WindowInfo;
 using gui::WindowInfoHandle;
 using gui::WindowInfosListener;
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::ColorMode;
 // ---------------------------------------------------------------------------
 
@@ -111,7 +117,6 @@ bool ComposerService::connectLocked() {
     if (instance.mComposerService == nullptr) {
         if (ComposerService::getInstance().connectLocked()) {
             ALOGD("ComposerService reconnected");
-            WindowInfosListenerReporter::getInstance()->reconnect(instance.mComposerService);
         }
     }
     return instance.mComposerService;
@@ -159,6 +164,7 @@ bool ComposerServiceAIDL::connectLocked() {
     if (instance.mComposerService == nullptr) {
         if (ComposerServiceAIDL::getInstance().connectLocked()) {
             ALOGD("ComposerServiceAIDL reconnected");
+            WindowInfosListenerReporter::getInstance()->reconnect(instance.mComposerService);
         }
     }
     return instance.mComposerService;
@@ -308,7 +314,8 @@ void TransactionCompletedListener::addSurfaceControlToCallbacks(
     }
 }
 
-void TransactionCompletedListener::onTransactionCompleted(ListenerStats listenerStats) {
+binder::Status TransactionCompletedListener::onTransactionCompleted(
+        const ListenerStats& listenerStats) {
     std::unordered_map<CallbackId, CallbackTranslation, CallbackIdHash> callbacksMap;
     std::multimap<int32_t, sp<JankDataListener>> jankListenersMap;
     {
@@ -380,10 +387,11 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
                                       surfaceStats.previousReleaseFence, surfaceStats.transformHint,
                                       surfaceStats.eventStats,
                                       surfaceStats.currentMaxAcquiredBufferCount);
-                if (callbacksMap[callbackId].surfaceControls[surfaceStats.surfaceControl]) {
+                if (callbacksMap[callbackId].surfaceControls[surfaceStats.surfaceControl] &&
+                    surfaceStats.transformHint.has_value()) {
                     callbacksMap[callbackId]
                             .surfaceControls[surfaceStats.surfaceControl]
-                            ->setTransformHint(surfaceStats.transformHint);
+                            ->setTransformHint(*surfaceStats.transformHint);
                 }
                 // If there is buffer id set, we look up any pending client release buffer callbacks
                 // and call them. This is a performance optimization when we have a transaction
@@ -447,32 +455,38 @@ void TransactionCompletedListener::onTransactionCompleted(ListenerStats listener
             }
         }
     }
+    return binder::Status::ok();
 }
 
-void TransactionCompletedListener::onTransactionQueueStalled() {
-      std::unordered_map<void*, std::function<void()>> callbackCopy;
-      {
-          std::scoped_lock<std::mutex> lock(mMutex);
-          callbackCopy = mQueueStallListeners;
-      }
-      for (auto const& it : callbackCopy) {
-          it.second();
-      }
+binder::Status TransactionCompletedListener::onTransactionQueueStalled(const std::string& reason) {
+    std::unordered_map<void*, std::function<void(const std::string&)>> callbackCopy;
+    {
+        std::scoped_lock<std::mutex> lock(mMutex);
+        callbackCopy = mQueueStallListeners;
+    }
+    for (auto const& it : callbackCopy) {
+        it.second(reason.c_str());
+    }
+    return binder::Status::ok();
 }
 
-void TransactionCompletedListener::addQueueStallListener(std::function<void()> stallListener,
-                                                         void* id) {
+void TransactionCompletedListener::addQueueStallListener(
+        std::function<void(const std::string&)> stallListener, void* id) {
     std::scoped_lock<std::mutex> lock(mMutex);
     mQueueStallListeners[id] = stallListener;
 }
-void TransactionCompletedListener::removeQueueStallListener(void *id) {
+
+void TransactionCompletedListener::removeQueueStallListener(void* id) {
     std::scoped_lock<std::mutex> lock(mMutex);
     mQueueStallListeners.erase(id);
 }
 
-void TransactionCompletedListener::onReleaseBuffer(ReleaseCallbackId callbackId,
-                                                   sp<Fence> releaseFence,
-                                                   uint32_t currentMaxAcquiredBufferCount) {
+binder::Status TransactionCompletedListener::onReleaseBuffer(
+        const ReleaseCallbackId& callbackId,
+        const std::optional<os::ParcelFileDescriptor>& releaseFenceFd,
+        int32_t currentMaxAcquiredBufferCount) {
+    sp<Fence> releaseFence(releaseFenceFd ? new Fence(::dup(releaseFenceFd->get()))
+                                          : Fence::NO_FENCE);
     ReleaseBufferCallback callback;
     {
         std::scoped_lock<std::mutex> lock(mMutex);
@@ -481,13 +495,14 @@ void TransactionCompletedListener::onReleaseBuffer(ReleaseCallbackId callbackId,
     if (!callback) {
         ALOGE("Could not call release buffer callback, buffer not found %s",
               callbackId.to_string().c_str());
-        return;
+        return binder::Status::fromExceptionCode(binder::Status::EX_ILLEGAL_ARGUMENT);
     }
     std::optional<uint32_t> optionalMaxAcquiredBufferCount =
-            currentMaxAcquiredBufferCount == UINT_MAX
+            static_cast<uint32_t>(currentMaxAcquiredBufferCount) == UINT_MAX
             ? std::nullopt
             : std::make_optional<uint32_t>(currentMaxAcquiredBufferCount);
     callback(callbackId, releaseFence, optionalMaxAcquiredBufferCount);
+    return binder::Status::ok();
 }
 
 ReleaseBufferCallback TransactionCompletedListener::popReleaseBufferCallbackLocked(
@@ -625,12 +640,11 @@ SurfaceComposerClient::Transaction::Transaction() {
 
 SurfaceComposerClient::Transaction::Transaction(const Transaction& other)
       : mId(other.mId),
-        mForceSynchronous(other.mForceSynchronous),
         mTransactionNestCount(other.mTransactionNestCount),
         mAnimation(other.mAnimation),
         mEarlyWakeupStart(other.mEarlyWakeupStart),
         mEarlyWakeupEnd(other.mEarlyWakeupEnd),
-        mContainsBuffer(other.mContainsBuffer),
+        mMayContainBuffer(other.mMayContainBuffer),
         mDesiredPresentTime(other.mDesiredPresentTime),
         mIsAutoTimestamp(other.mIsAutoTimestamp),
         mFrameTimelineInfo(other.mFrameTimelineInfo),
@@ -659,16 +673,15 @@ SurfaceComposerClient::Transaction::createFromParcel(const Parcel* parcel) {
 
 
 status_t SurfaceComposerClient::Transaction::readFromParcel(const Parcel* parcel) {
-    const uint32_t forceSynchronous = parcel->readUint32();
+    const uint64_t transactionId = parcel->readUint64();
     const uint32_t transactionNestCount = parcel->readUint32();
     const bool animation = parcel->readBool();
     const bool earlyWakeupStart = parcel->readBool();
     const bool earlyWakeupEnd = parcel->readBool();
-    const bool containsBuffer = parcel->readBool();
     const int64_t desiredPresentTime = parcel->readInt64();
     const bool isAutoTimestamp = parcel->readBool();
     FrameTimelineInfo frameTimelineInfo;
-    SAFE_PARCEL(frameTimelineInfo.read, *parcel);
+    frameTimelineInfo.readFromParcel(parcel);
 
     sp<IBinder> applyToken;
     parcel->readNullableStrongBinder(&applyToken);
@@ -736,12 +749,11 @@ status_t SurfaceComposerClient::Transaction::readFromParcel(const Parcel* parcel
     inputWindowCommands.read(*parcel);
 
     // Parsing was successful. Update the object.
-    mForceSynchronous = forceSynchronous;
+    mId = transactionId;
     mTransactionNestCount = transactionNestCount;
     mAnimation = animation;
     mEarlyWakeupStart = earlyWakeupStart;
     mEarlyWakeupEnd = earlyWakeupEnd;
-    mContainsBuffer = containsBuffer;
     mDesiredPresentTime = desiredPresentTime;
     mIsAutoTimestamp = isAutoTimestamp;
     mFrameTimelineInfo = frameTimelineInfo;
@@ -767,15 +779,14 @@ status_t SurfaceComposerClient::Transaction::writeToParcel(Parcel* parcel) const
 
     const_cast<SurfaceComposerClient::Transaction*>(this)->cacheBuffers();
 
-    parcel->writeUint32(mForceSynchronous);
+    parcel->writeUint64(mId);
     parcel->writeUint32(mTransactionNestCount);
     parcel->writeBool(mAnimation);
     parcel->writeBool(mEarlyWakeupStart);
     parcel->writeBool(mEarlyWakeupEnd);
-    parcel->writeBool(mContainsBuffer);
     parcel->writeInt64(mDesiredPresentTime);
     parcel->writeBool(mIsAutoTimestamp);
-    SAFE_PARCEL(mFrameTimelineInfo.write, *parcel);
+    mFrameTimelineInfo.writeToParcel(parcel);
     parcel->writeStrongBinder(mApplyToken);
     parcel->writeUint32(static_cast<uint32_t>(mDisplayStates.size()));
     for (auto const& displayState : mDisplayStates) {
@@ -821,7 +832,11 @@ void SurfaceComposerClient::Transaction::releaseBufferIfOverwriting(const layer_
                 ->mReleaseCallbackThread
                 .addReleaseCallback(state.bufferData->generateReleaseCallbackId(), fence);
     } else {
-        listener->onReleaseBuffer(state.bufferData->generateReleaseCallbackId(), fence, UINT_MAX);
+        std::optional<os::ParcelFileDescriptor> fenceFd;
+        if (fence != Fence::NO_FENCE) {
+            fenceFd = os::ParcelFileDescriptor(base::unique_fd(::dup(fence->get())));
+        }
+        listener->onReleaseBuffer(state.bufferData->generateReleaseCallbackId(), fenceFd, UINT_MAX);
     }
 }
 
@@ -871,12 +886,12 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::merge(Tr
 
     mInputWindowCommands.merge(other.mInputWindowCommands);
 
-    mContainsBuffer |= other.mContainsBuffer;
+    mMayContainBuffer |= other.mMayContainBuffer;
     mEarlyWakeupStart = mEarlyWakeupStart || other.mEarlyWakeupStart;
     mEarlyWakeupEnd = mEarlyWakeupEnd || other.mEarlyWakeupEnd;
     mApplyToken = other.mApplyToken;
 
-    mFrameTimelineInfo.merge(other.mFrameTimelineInfo);
+    mergeFrameTimelineInfo(mFrameTimelineInfo, other.mFrameTimelineInfo);
 
     other.clear();
     return *this;
@@ -887,15 +902,14 @@ void SurfaceComposerClient::Transaction::clear() {
     mDisplayStates.clear();
     mListenerCallbacks.clear();
     mInputWindowCommands.clear();
-    mContainsBuffer = false;
-    mForceSynchronous = 0;
+    mMayContainBuffer = false;
     mTransactionNestCount = 0;
     mAnimation = false;
     mEarlyWakeupStart = false;
     mEarlyWakeupEnd = false;
     mDesiredPresentTime = 0;
     mIsAutoTimestamp = true;
-    mFrameTimelineInfo.clear();
+    clearFrameTimelineInfo(mFrameTimelineInfo);
     mApplyToken = nullptr;
 }
 
@@ -909,14 +923,19 @@ void SurfaceComposerClient::doUncacheBufferTransaction(uint64_t cacheId) {
     client_cache_t uncacheBuffer;
     uncacheBuffer.token = BufferCache::getInstance().getToken();
     uncacheBuffer.id = cacheId;
-
-    sp<IBinder> applyToken = IInterface::asBinder(TransactionCompletedListener::getIInstance());
-    sf->setTransactionState(FrameTimelineInfo{}, {}, {}, 0, applyToken, {}, systemTime(), true,
-                            uncacheBuffer, false, {}, generateId());
+    Vector<ComposerState> composerStates;
+    status_t status =
+            sf->setTransactionState(FrameTimelineInfo{}, composerStates, {},
+                                    ISurfaceComposer::eOneWay, Transaction::getDefaultApplyToken(),
+                                    {}, systemTime(), true, uncacheBuffer, false, {}, generateId());
+    if (status != NO_ERROR) {
+        ALOGE_AND_TRACE("SurfaceComposerClient::doUncacheBufferTransaction - %s",
+                        strerror(-status));
+    }
 }
 
 void SurfaceComposerClient::Transaction::cacheBuffers() {
-    if (!mContainsBuffer) {
+    if (!mMayContainBuffer) {
         return;
     }
 
@@ -961,12 +980,55 @@ void SurfaceComposerClient::Transaction::cacheBuffers() {
     }
 }
 
+class SyncCallback {
+public:
+    static void function(void* callbackContext, nsecs_t /* latchTime */,
+                         const sp<Fence>& /* presentFence */,
+                         const std::vector<SurfaceControlStats>& /* stats */) {
+        if (!callbackContext) {
+            ALOGE("failed to get callback context for SyncCallback");
+        }
+        SyncCallback* helper = static_cast<SyncCallback*>(callbackContext);
+        LOG_ALWAYS_FATAL_IF(sem_post(&helper->mSemaphore), "sem_post failed");
+    }
+    ~SyncCallback() {
+        if (mInitialized) {
+            LOG_ALWAYS_FATAL_IF(sem_destroy(&mSemaphore), "sem_destroy failed");
+        }
+    }
+    void init() {
+        LOG_ALWAYS_FATAL_IF(clock_gettime(CLOCK_MONOTONIC, &mTimeoutTimespec) == -1,
+                            "clock_gettime() fail! in SyncCallback::init");
+        mTimeoutTimespec.tv_sec += 4;
+        LOG_ALWAYS_FATAL_IF(sem_init(&mSemaphore, 0, 0), "sem_init failed");
+        mInitialized = true;
+    }
+    void wait() {
+        int result = sem_clockwait(&mSemaphore, CLOCK_MONOTONIC, &mTimeoutTimespec);
+        if (result && errno != ETIMEDOUT && errno != EINTR) {
+            LOG_ALWAYS_FATAL("sem_clockwait failed(%d)", errno);
+        } else if (errno == ETIMEDOUT) {
+            ALOGW("Sync transaction timed out waiting for commit callback.");
+        }
+    }
+    void* getContext() { return static_cast<void*>(this); }
+
+private:
+    sem_t mSemaphore;
+    bool mInitialized = false;
+    timespec mTimeoutTimespec;
+};
+
 status_t SurfaceComposerClient::Transaction::apply(bool synchronous, bool oneWay) {
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
 
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    SyncCallback syncCallback;
+    if (synchronous) {
+        syncCallback.init();
+        addTransactionCommittedCallback(syncCallback.function, syncCallback.getContext());
+    }
 
     bool hasListenerCallbacks = !mListenerCallbacks.empty();
     std::vector<ListenerCallbacks> listenerCallbacks;
@@ -1001,27 +1063,22 @@ status_t SurfaceComposerClient::Transaction::apply(bool synchronous, bool oneWay
     Vector<DisplayState> displayStates;
     uint32_t flags = 0;
 
-    mForceSynchronous |= synchronous;
-
-    for (auto const& kv : mComposerStates){
+    for (auto const& kv : mComposerStates) {
         composerStates.add(kv.second);
     }
 
     displayStates = std::move(mDisplayStates);
 
-    if (mForceSynchronous) {
-        flags |= ISurfaceComposer::eSynchronous;
-    }
     if (mAnimation) {
         flags |= ISurfaceComposer::eAnimation;
     }
     if (oneWay) {
-      if (mForceSynchronous) {
-          ALOGE("Transaction attempted to set synchronous and one way at the same time"
-                " this is an invalid request. Synchronous will win for safety");
-      } else {
-          flags |= ISurfaceComposer::eOneWay;
-      }
+        if (synchronous) {
+            ALOGE("Transaction attempted to set synchronous and one way at the same time"
+                  " this is an invalid request. Synchronous will win for safety");
+        } else {
+            flags |= ISurfaceComposer::eOneWay;
+        }
     }
 
     // If both mEarlyWakeupStart and mEarlyWakeupEnd are set
@@ -1033,10 +1090,9 @@ status_t SurfaceComposerClient::Transaction::apply(bool synchronous, bool oneWay
         flags |= ISurfaceComposer::eEarlyWakeupEnd;
     }
 
-    sp<IBinder> applyToken = mApplyToken
-            ? mApplyToken
-            : IInterface::asBinder(TransactionCompletedListener::getIInstance());
+    sp<IBinder> applyToken = mApplyToken ? mApplyToken : sApplyToken;
 
+    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
     sf->setTransactionState(mFrameTimelineInfo, composerStates, displayStates, flags, applyToken,
                             mInputWindowCommands, mDesiredPresentTime, mIsAutoTimestamp,
                             {} /*uncacheBuffer - only set in doUncacheBufferTransaction*/,
@@ -1046,10 +1102,23 @@ status_t SurfaceComposerClient::Transaction::apply(bool synchronous, bool oneWay
     // Clear the current states and flags
     clear();
 
+    if (synchronous) {
+        syncCallback.wait();
+    }
+
     mStatus = NO_ERROR;
     return NO_ERROR;
 }
 
+sp<IBinder> SurfaceComposerClient::Transaction::sApplyToken = new BBinder();
+
+sp<IBinder> SurfaceComposerClient::Transaction::getDefaultApplyToken() {
+    return sApplyToken;
+}
+
+void SurfaceComposerClient::Transaction::setDefaultApplyToken(sp<IBinder> applyToken) {
+    sApplyToken = applyToken;
+}
 // ---------------------------------------------------------------------------
 
 sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName, bool secure) {
@@ -1080,21 +1149,6 @@ std::vector<PhysicalDisplayId> SurfaceComposerClient::getPhysicalDisplayIds() {
     return physicalDisplayIds;
 }
 
-status_t SurfaceComposerClient::getPrimaryPhysicalDisplayId(PhysicalDisplayId* id) {
-    int64_t displayId;
-    binder::Status status =
-            ComposerServiceAIDL::getComposerService()->getPrimaryPhysicalDisplayId(&displayId);
-    if (status.isOk()) {
-        *id = *DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
-    }
-    return status.transactionError();
-}
-
-std::optional<PhysicalDisplayId> SurfaceComposerClient::getInternalDisplayId() {
-    ComposerServiceAIDL& instance = ComposerServiceAIDL::getInstance();
-    return instance.getInternalDisplayId();
-}
-
 sp<IBinder> SurfaceComposerClient::getPhysicalDisplayToken(PhysicalDisplayId displayId) {
     sp<IBinder> display = nullptr;
     binder::Status status =
@@ -1103,11 +1157,6 @@ sp<IBinder> SurfaceComposerClient::getPhysicalDisplayToken(PhysicalDisplayId dis
     return status.isOk() ? display : nullptr;
 }
 
-sp<IBinder> SurfaceComposerClient::getInternalDisplayToken() {
-    ComposerServiceAIDL& instance = ComposerServiceAIDL::getInstance();
-    return instance.getInternalDisplayToken();
-}
-
 void SurfaceComposerClient::Transaction::setAnimationTransaction() {
     mAnimation = true;
 }
@@ -1170,21 +1219,6 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::hide(
     return setFlags(sc, layer_state_t::eLayerHidden, layer_state_t::eLayerHidden);
 }
 
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setSize(
-        const sp<SurfaceControl>& sc, uint32_t w, uint32_t h) {
-    layer_state_t* s = getLayerState(sc);
-    if (!s) {
-        mStatus = BAD_INDEX;
-        return *this;
-    }
-    s->what |= layer_state_t::eSizeChanged;
-    s->w = w;
-    s->h = h;
-
-    registerSurfaceControlForCallback(sc);
-    return *this;
-}
-
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setLayer(
         const sp<SurfaceControl>& sc, int32_t z) {
     layer_state_t* s = getLayerState(sc);
@@ -1227,6 +1261,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFlags
     if ((mask & layer_state_t::eLayerOpaque) || (mask & layer_state_t::eLayerHidden) ||
         (mask & layer_state_t::eLayerSecure) || (mask & layer_state_t::eLayerSkipScreenshot) ||
         (mask & layer_state_t::eEnableBackpressure) ||
+        (mask & layer_state_t::eIgnoreDestinationFrame) ||
         (mask & layer_state_t::eLayerIsDisplayDecoration)) {
         s->what |= layer_state_t::eFlagsChanged;
     }
@@ -1274,8 +1309,11 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setAlpha
         mStatus = BAD_INDEX;
         return *this;
     }
+    if (alpha < 0.0f || alpha > 1.0f) {
+        ALOGE("SurfaceComposerClient::Transaction::setAlpha: invalid alpha %f, clamping", alpha);
+    }
     s->what |= layer_state_t::eAlphaChanged;
-    s->alpha = alpha;
+    s->color.a = std::clamp(alpha, 0.f, 1.f);
 
     registerSurfaceControlForCallback(sc);
     return *this;
@@ -1406,7 +1444,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setColor
         return *this;
     }
     s->what |= layer_state_t::eColorChanged;
-    s->color = color;
+    s->color.rgb = color;
 
     registerSurfaceControlForCallback(sc);
     return *this;
@@ -1421,7 +1459,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBackg
     }
 
     s->what |= layer_state_t::eBackgroundColorChanged;
-    s->color = color;
+    s->color.rgb = color;
     s->bgColorAlpha = alpha;
     s->bgColorDataspace = dataspace;
 
@@ -1436,8 +1474,8 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setTrans
         mStatus = BAD_INDEX;
         return *this;
     }
-    s->what |= layer_state_t::eTransformChanged;
-    s->transform = transform;
+    s->what |= layer_state_t::eBufferTransformChanged;
+    s->bufferTransform = transform;
 
     registerSurfaceControlForCallback(sc);
     return *this;
@@ -1475,7 +1513,6 @@ std::shared_ptr<BufferData> SurfaceComposerClient::Transaction::getAndClearBuffe
     s->what &= ~layer_state_t::eBufferChanged;
     s->bufferData = nullptr;
 
-    mContainsBuffer = false;
     return bufferData;
 }
 
@@ -1506,7 +1543,6 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBuffe
     if (buffer == nullptr) {
         s->what &= ~layer_state_t::eBufferChanged;
         s->bufferData = nullptr;
-        mContainsBuffer = false;
         return *this;
     }
 
@@ -1541,7 +1577,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBuffe
                                        const std::vector<SurfaceControlStats>&) {},
                                     nullptr);
 
-    mContainsBuffer = true;
+    mMayContainBuffer = true;
     return *this;
 }
 
@@ -1729,8 +1765,10 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFocus
     return *this;
 }
 
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::syncInputWindows() {
-    mInputWindowCommands.syncInputWindows = true;
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::addWindowInfosReportedListener(
+        sp<gui::IWindowInfosReportedListener> windowInfosReportedListener) {
+    mInputWindowCommands.windowInfosReportedListeners.insert(windowInfosReportedListener);
     return *this;
 }
 
@@ -1837,6 +1875,19 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrame
     return *this;
 }
 
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::setDefaultFrameRateCompatibility(const sp<SurfaceControl>& sc,
+                                                                     int8_t compatibility) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+    s->what |= layer_state_t::eDefaultFrameRateCompatibilityChanged;
+    s->defaultFrameRateCompatibility = compatibility;
+    return *this;
+}
+
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFixedTransformHint(
         const sp<SurfaceControl>& sc, int32_t fixedTransformHint) {
     layer_state_t* s = getLayerState(sc);
@@ -1855,7 +1906,7 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFixed
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrameTimelineInfo(
         const FrameTimelineInfo& frameTimelineInfo) {
-    mFrameTimelineInfo.merge(frameTimelineInfo);
+    mergeFrameTimelineInfo(mFrameTimelineInfo, frameTimelineInfo);
     return *this;
 }
 
@@ -1949,6 +2000,23 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setDropI
     return *this;
 }
 
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::enableBorder(
+        const sp<SurfaceControl>& sc, bool shouldEnable, float width, const half4& color) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+
+    s->what |= layer_state_t::eRenderBorderChanged;
+    s->borderEnabled = shouldEnable;
+    s->borderWidth = width;
+    s->borderColor = color;
+
+    registerSurfaceControlForCallback(sc);
+    return *this;
+}
+
 // ---------------------------------------------------------------------------
 
 DisplayState& SurfaceComposerClient::Transaction::getDisplayState(const sp<IBinder>& token) {
@@ -2004,7 +2072,6 @@ void SurfaceComposerClient::Transaction::setDisplayProjection(const sp<IBinder>&
     s.layerStackSpaceRect = layerStackRect;
     s.orientedDisplaySpaceRect = displayRect;
     s.what |= DisplayState::eDisplayProjectionChanged;
-    mForceSynchronous = true; // TODO: do we actually still need this?
 }
 
 void SurfaceComposerClient::Transaction::setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height) {
@@ -2014,6 +2081,31 @@ void SurfaceComposerClient::Transaction::setDisplaySize(const sp<IBinder>& token
     s.what |= DisplayState::eDisplaySizeChanged;
 }
 
+// copied from FrameTimelineInfo::merge()
+void SurfaceComposerClient::Transaction::mergeFrameTimelineInfo(FrameTimelineInfo& t,
+                                                                const FrameTimelineInfo& other) {
+    // When merging vsync Ids we take the oldest valid one
+    if (t.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID &&
+        other.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID) {
+        if (other.vsyncId > t.vsyncId) {
+            t.vsyncId = other.vsyncId;
+            t.inputEventId = other.inputEventId;
+            t.startTimeNanos = other.startTimeNanos;
+        }
+    } else if (t.vsyncId == FrameTimelineInfo::INVALID_VSYNC_ID) {
+        t.vsyncId = other.vsyncId;
+        t.inputEventId = other.inputEventId;
+        t.startTimeNanos = other.startTimeNanos;
+    }
+}
+
+// copied from FrameTimelineInfo::clear()
+void SurfaceComposerClient::Transaction::clearFrameTimelineInfo(FrameTimelineInfo& t) {
+    t.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+    t.inputEventId = os::IInputConstants::INVALID_INPUT_EVENT_ID;
+    t.startTimeNanos = 0;
+}
+
 // ---------------------------------------------------------------------------
 
 SurfaceComposerClient::SurfaceComposerClient() : mStatus(NO_INIT) {}
@@ -2022,11 +2114,11 @@ SurfaceComposerClient::SurfaceComposerClient(const sp<ISurfaceComposerClient>& c
       : mStatus(NO_ERROR), mClient(client) {}
 
 void SurfaceComposerClient::onFirstRef() {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr && mStatus == NO_INIT) {
         sp<ISurfaceComposerClient> conn;
-        conn = sf->createConnection();
-        if (conn != nullptr) {
+        binder::Status status = sf->createConnection(&conn);
+        if (status.isOk() && conn != nullptr) {
             mClient = conn;
             mStatus = NO_ERROR;
         }
@@ -2064,7 +2156,7 @@ void SurfaceComposerClient::dispose() {
 }
 
 sp<SurfaceControl> SurfaceComposerClient::createSurface(const String8& name, uint32_t w, uint32_t h,
-                                                        PixelFormat format, uint32_t flags,
+                                                        PixelFormat format, int32_t flags,
                                                         const sp<IBinder>& parentHandle,
                                                         LayerMetadata metadata,
                                                         uint32_t* outTransformHint) {
@@ -2074,38 +2166,13 @@ sp<SurfaceControl> SurfaceComposerClient::createSurface(const String8& name, uin
     return s;
 }
 
-sp<SurfaceControl> SurfaceComposerClient::createWithSurfaceParent(const String8& name, uint32_t w,
-                                                                  uint32_t h, PixelFormat format,
-                                                                  uint32_t flags, Surface* parent,
-                                                                  LayerMetadata metadata,
-                                                                  uint32_t* outTransformHint) {
-    sp<SurfaceControl> sur;
-    status_t err = mStatus;
-
-    if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> parentGbp = parent->getIGraphicBufferProducer();
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createWithSurfaceParent(name, w, h, format, flags, parentGbp,
-                                               std::move(metadata), &handle, &gbp, &id,
-                                               &transformHint);
-        if (outTransformHint) {
-            *outTransformHint = transformHint;
-        }
-        ALOGE_IF(err, "SurfaceComposerClient::createWithSurfaceParent error %s", strerror(-err));
-        if (err == NO_ERROR) {
-            return new SurfaceControl(this, handle, gbp, id, transformHint);
-        }
-    }
-    return nullptr;
+static std::string toString(const String16& string) {
+    return std::string(String8(string).c_str());
 }
 
 status_t SurfaceComposerClient::createSurfaceChecked(const String8& name, uint32_t w, uint32_t h,
                                                      PixelFormat format,
-                                                     sp<SurfaceControl>* outSurface, uint32_t flags,
+                                                     sp<SurfaceControl>* outSurface, int32_t flags,
                                                      const sp<IBinder>& parentHandle,
                                                      LayerMetadata metadata,
                                                      uint32_t* outTransformHint) {
@@ -2113,21 +2180,18 @@ status_t SurfaceComposerClient::createSurfaceChecked(const String8& name, uint32
     status_t err = mStatus;
 
     if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createSurface(name, w, h, format, flags, parentHandle, std::move(metadata),
-                                     &handle, &gbp, &id, &transformHint);
-
+        gui::CreateSurfaceResult result;
+        binder::Status status = mClient->createSurface(std::string(name.string()), flags,
+                                                       parentHandle, std::move(metadata), &result);
+        err = statusTFromBinderStatus(status);
         if (outTransformHint) {
-            *outTransformHint = transformHint;
+            *outTransformHint = result.transformHint;
         }
         ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err));
         if (err == NO_ERROR) {
-            *outSurface =
-                    new SurfaceControl(this, handle, gbp, id, w, h, format, transformHint, flags);
+            *outSurface = new SurfaceControl(this, result.handle, result.layerId,
+                                             toString(result.layerName), w, h, format,
+                                             result.transformHint, flags);
         }
     }
     return err;
@@ -2138,12 +2202,22 @@ sp<SurfaceControl> SurfaceComposerClient::mirrorSurface(SurfaceControl* mirrorFr
         return nullptr;
     }
 
-    sp<IBinder> handle;
     sp<IBinder> mirrorFromHandle = mirrorFromSurface->getHandle();
-    int32_t layer_id = -1;
-    status_t err = mClient->mirrorSurface(mirrorFromHandle, &handle, &layer_id);
+    gui::CreateSurfaceResult result;
+    const binder::Status status = mClient->mirrorSurface(mirrorFromHandle, &result);
+    const status_t err = statusTFromBinderStatus(status);
     if (err == NO_ERROR) {
-        return new SurfaceControl(this, handle, nullptr, layer_id, true /* owned */);
+        return new SurfaceControl(this, result.handle, result.layerId, toString(result.layerName));
+    }
+    return nullptr;
+}
+
+sp<SurfaceControl> SurfaceComposerClient::mirrorDisplay(DisplayId displayId) {
+    gui::CreateSurfaceResult result;
+    const binder::Status status = mClient->mirrorDisplay(displayId.value, &result);
+    const status_t err = statusTFromBinderStatus(status);
+    if (err == NO_ERROR) {
+        return new SurfaceControl(this, result.handle, result.layerId, toString(result.layerName));
     }
     return nullptr;
 }
@@ -2152,7 +2226,8 @@ status_t SurfaceComposerClient::clearLayerFrameStats(const sp<IBinder>& token) c
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->clearLayerFrameStats(token);
+    const binder::Status status = mClient->clearLayerFrameStats(token);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getLayerFrameStats(const sp<IBinder>& token,
@@ -2160,21 +2235,28 @@ status_t SurfaceComposerClient::getLayerFrameStats(const sp<IBinder>& token,
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->getLayerFrameStats(token, outStats);
+    gui::FrameStats stats;
+    const binder::Status status = mClient->getLayerFrameStats(token, &stats);
+    if (status.isOk()) {
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.setCapacity(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.add(t);
+        }
+        outStats->actualPresentTimesNano.setCapacity(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.add(t);
+        }
+        outStats->frameReadyTimesNano.setCapacity(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.add(t);
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 // ----------------------------------------------------------------------------
 
-status_t SurfaceComposerClient::enableVSyncInjections(bool enable) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->enableVSyncInjections(enable);
-}
-
-status_t SurfaceComposerClient::injectVSync(nsecs_t when) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->injectVSync(when);
-}
-
 status_t SurfaceComposerClient::getDisplayState(const sp<IBinder>& display,
                                                 ui::DisplayState* state) {
     gui::DisplayState ds;
@@ -2186,23 +2268,135 @@ status_t SurfaceComposerClient::getDisplayState(const sp<IBinder>& display,
         state->layerStackSpaceRect =
                 ui::Size(ds.layerStackSpaceRect.width, ds.layerStackSpaceRect.height);
     }
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
-status_t SurfaceComposerClient::getStaticDisplayInfo(const sp<IBinder>& display,
-                                                     ui::StaticDisplayInfo* info) {
-    return ComposerService::getComposerService()->getStaticDisplayInfo(display, info);
+status_t SurfaceComposerClient::getStaticDisplayInfo(int64_t displayId,
+                                                     ui::StaticDisplayInfo* outInfo) {
+    using Tag = android::gui::DeviceProductInfo::ManufactureOrModelDate::Tag;
+    gui::StaticDisplayInfo ginfo;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getStaticDisplayInfo(displayId, &ginfo);
+    if (status.isOk()) {
+        // convert gui::StaticDisplayInfo to ui::StaticDisplayInfo
+        outInfo->connectionType = static_cast<ui::DisplayConnectionType>(ginfo.connectionType);
+        outInfo->density = ginfo.density;
+        outInfo->secure = ginfo.secure;
+        outInfo->installOrientation = static_cast<ui::Rotation>(ginfo.installOrientation);
+
+        DeviceProductInfo info;
+        std::optional<gui::DeviceProductInfo> dpi = ginfo.deviceProductInfo;
+        gui::DeviceProductInfo::ManufactureOrModelDate& date = dpi->manufactureOrModelDate;
+        info.name = dpi->name;
+        if (dpi->manufacturerPnpId.size() > 0) {
+            // copid from PnpId = std::array<char, 4> in ui/DeviceProductInfo.h
+            constexpr int kMaxPnpIdSize = 4;
+            size_t count = std::max<size_t>(kMaxPnpIdSize, dpi->manufacturerPnpId.size());
+            std::copy_n(dpi->manufacturerPnpId.begin(), count, info.manufacturerPnpId.begin());
+        }
+        if (dpi->relativeAddress.size() > 0) {
+            std::copy(dpi->relativeAddress.begin(), dpi->relativeAddress.end(),
+                      std::back_inserter(info.relativeAddress));
+        }
+        info.productId = dpi->productId;
+        if (date.getTag() == Tag::modelYear) {
+            DeviceProductInfo::ModelYear modelYear;
+            modelYear.year = static_cast<uint32_t>(date.get<Tag::modelYear>().year);
+            info.manufactureOrModelDate = modelYear;
+        } else if (date.getTag() == Tag::manufactureYear) {
+            DeviceProductInfo::ManufactureYear manufactureYear;
+            manufactureYear.year = date.get<Tag::manufactureYear>().modelYear.year;
+            info.manufactureOrModelDate = manufactureYear;
+        } else if (date.getTag() == Tag::manufactureWeekAndYear) {
+            DeviceProductInfo::ManufactureWeekAndYear weekAndYear;
+            weekAndYear.year =
+                    date.get<Tag::manufactureWeekAndYear>().manufactureYear.modelYear.year;
+            weekAndYear.week = date.get<Tag::manufactureWeekAndYear>().week;
+            info.manufactureOrModelDate = weekAndYear;
+        }
+
+        outInfo->deviceProductInfo = info;
+    }
+    return statusTFromBinderStatus(status);
 }
 
-status_t SurfaceComposerClient::getDynamicDisplayInfo(const sp<IBinder>& display,
-                                                      ui::DynamicDisplayInfo* info) {
-    return ComposerService::getComposerService()->getDynamicDisplayInfo(display, info);
+void SurfaceComposerClient::getDynamicDisplayInfoInternal(gui::DynamicDisplayInfo& ginfo,
+                                                          ui::DynamicDisplayInfo*& outInfo) {
+    // convert gui::DynamicDisplayInfo to ui::DynamicDisplayInfo
+    outInfo->supportedDisplayModes.clear();
+    outInfo->supportedDisplayModes.reserve(ginfo.supportedDisplayModes.size());
+    for (const auto& mode : ginfo.supportedDisplayModes) {
+        ui::DisplayMode outMode;
+        outMode.id = mode.id;
+        outMode.resolution.width = mode.resolution.width;
+        outMode.resolution.height = mode.resolution.height;
+        outMode.xDpi = mode.xDpi;
+        outMode.yDpi = mode.yDpi;
+        outMode.refreshRate = mode.refreshRate;
+        outMode.appVsyncOffset = mode.appVsyncOffset;
+        outMode.sfVsyncOffset = mode.sfVsyncOffset;
+        outMode.presentationDeadline = mode.presentationDeadline;
+        outMode.group = mode.group;
+        std::transform(mode.supportedHdrTypes.begin(), mode.supportedHdrTypes.end(),
+                       std::back_inserter(outMode.supportedHdrTypes),
+                       [](const int32_t& value) { return static_cast<ui::Hdr>(value); });
+        outInfo->supportedDisplayModes.push_back(outMode);
+    }
+
+    outInfo->activeDisplayModeId = ginfo.activeDisplayModeId;
+    outInfo->renderFrameRate = ginfo.renderFrameRate;
+
+    outInfo->supportedColorModes.clear();
+    outInfo->supportedColorModes.reserve(ginfo.supportedColorModes.size());
+    for (const auto& cmode : ginfo.supportedColorModes) {
+        outInfo->supportedColorModes.push_back(static_cast<ui::ColorMode>(cmode));
+    }
+
+    outInfo->activeColorMode = static_cast<ui::ColorMode>(ginfo.activeColorMode);
+
+    std::vector<ui::Hdr> types;
+    types.reserve(ginfo.hdrCapabilities.supportedHdrTypes.size());
+    for (const auto& hdr : ginfo.hdrCapabilities.supportedHdrTypes) {
+        types.push_back(static_cast<ui::Hdr>(hdr));
+    }
+    outInfo->hdrCapabilities = HdrCapabilities(types, ginfo.hdrCapabilities.maxLuminance,
+                                               ginfo.hdrCapabilities.maxAverageLuminance,
+                                               ginfo.hdrCapabilities.minLuminance);
+
+    outInfo->autoLowLatencyModeSupported = ginfo.autoLowLatencyModeSupported;
+    outInfo->gameContentTypeSupported = ginfo.gameContentTypeSupported;
+    outInfo->preferredBootDisplayMode = ginfo.preferredBootDisplayMode;
+}
+
+status_t SurfaceComposerClient::getDynamicDisplayInfoFromId(int64_t displayId,
+                                                            ui::DynamicDisplayInfo* outInfo) {
+    gui::DynamicDisplayInfo ginfo;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDynamicDisplayInfoFromId(displayId,
+                                                                                   &ginfo);
+    if (status.isOk()) {
+        getDynamicDisplayInfoInternal(ginfo, outInfo);
+    }
+    return statusTFromBinderStatus(status);
+}
+
+status_t SurfaceComposerClient::getDynamicDisplayInfoFromToken(const sp<IBinder>& display,
+                                                               ui::DynamicDisplayInfo* outInfo) {
+    gui::DynamicDisplayInfo ginfo;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDynamicDisplayInfoFromToken(display,
+                                                                                      &ginfo);
+    if (status.isOk()) {
+        getDynamicDisplayInfoInternal(ginfo, outInfo);
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getActiveDisplayMode(const sp<IBinder>& display,
                                                      ui::DisplayMode* mode) {
     ui::DynamicDisplayInfo info;
-    status_t result = getDynamicDisplayInfo(display, &info);
+
+    status_t result = getDynamicDisplayInfoFromToken(display, &info);
     if (result != NO_ERROR) {
         return result;
     }
@@ -2216,58 +2410,87 @@ status_t SurfaceComposerClient::getActiveDisplayMode(const sp<IBinder>& display,
     return NAME_NOT_FOUND;
 }
 
-status_t SurfaceComposerClient::setDesiredDisplayModeSpecs(
-        const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode, bool allowGroupSwitching,
-        float primaryRefreshRateMin, float primaryRefreshRateMax, float appRequestRefreshRateMin,
-        float appRequestRefreshRateMax) {
-    return ComposerService::getComposerService()
-            ->setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
-                                         primaryRefreshRateMin, primaryRefreshRateMax,
-                                         appRequestRefreshRateMin, appRequestRefreshRateMax);
+status_t SurfaceComposerClient::setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                                           const gui::DisplayModeSpecs& specs) {
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->setDesiredDisplayModeSpecs(displayToken,
+                                                                                  specs);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                                           ui::DisplayModeId* outDefaultMode,
-                                                           bool* outAllowGroupSwitching,
-                                                           float* outPrimaryRefreshRateMin,
-                                                           float* outPrimaryRefreshRateMax,
-                                                           float* outAppRequestRefreshRateMin,
-                                                           float* outAppRequestRefreshRateMax) {
-    return ComposerService::getComposerService()
-            ->getDesiredDisplayModeSpecs(displayToken, outDefaultMode, outAllowGroupSwitching,
-                                         outPrimaryRefreshRateMin, outPrimaryRefreshRateMax,
-                                         outAppRequestRefreshRateMin, outAppRequestRefreshRateMax);
+                                                           gui::DisplayModeSpecs* outSpecs) {
+    if (!outSpecs) {
+        return BAD_VALUE;
+    }
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDesiredDisplayModeSpecs(displayToken,
+                                                                                  outSpecs);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayNativePrimaries(const sp<IBinder>& display,
         ui::DisplayPrimaries& outPrimaries) {
-    return ComposerService::getComposerService()->getDisplayNativePrimaries(display, outPrimaries);
+    gui::DisplayPrimaries primaries;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayNativePrimaries(display,
+                                                                                 &primaries);
+    if (status.isOk()) {
+        outPrimaries.red.X = primaries.red.X;
+        outPrimaries.red.Y = primaries.red.Y;
+        outPrimaries.red.Z = primaries.red.Z;
+
+        outPrimaries.green.X = primaries.green.X;
+        outPrimaries.green.Y = primaries.green.Y;
+        outPrimaries.green.Z = primaries.green.Z;
+
+        outPrimaries.blue.X = primaries.blue.X;
+        outPrimaries.blue.Y = primaries.blue.Y;
+        outPrimaries.blue.Z = primaries.blue.Z;
+
+        outPrimaries.white.X = primaries.white.X;
+        outPrimaries.white.Y = primaries.white.Y;
+        outPrimaries.white.Z = primaries.white.Z;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setActiveColorMode(const sp<IBinder>& display,
         ColorMode colorMode) {
-    return ComposerService::getComposerService()->setActiveColorMode(display, colorMode);
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->setActiveColorMode(display, static_cast<int>(colorMode));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getBootDisplayModeSupport(bool* support) {
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->getBootDisplayModeSupport(support);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
+}
+
+status_t SurfaceComposerClient::getOverlaySupport(gui::OverlayProperties* outProperties) {
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getOverlaySupport(outProperties);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setBootDisplayMode(const sp<IBinder>& display,
                                                    ui::DisplayModeId displayModeId) {
-    return ComposerService::getComposerService()->setBootDisplayMode(display, displayModeId);
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->setBootDisplayMode(display, static_cast<int>(displayModeId));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::clearBootDisplayMode(const sp<IBinder>& display) {
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->clearBootDisplayMode(display);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setOverrideFrameRate(uid_t uid, float frameRate) {
-    return ComposerService::getComposerService()->setOverrideFrameRate(uid, frameRate);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->setOverrideFrameRate(uid, frameRate);
+    return statusTFromBinderStatus(status);
 }
 
 void SurfaceComposerClient::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
@@ -2286,57 +2509,137 @@ void SurfaceComposerClient::setDisplayPowerMode(const sp<IBinder>& token,
 status_t SurfaceComposerClient::getCompositionPreference(
         ui::Dataspace* defaultDataspace, ui::PixelFormat* defaultPixelFormat,
         ui::Dataspace* wideColorGamutDataspace, ui::PixelFormat* wideColorGamutPixelFormat) {
-    return ComposerService::getComposerService()
-            ->getCompositionPreference(defaultDataspace, defaultPixelFormat,
-                                       wideColorGamutDataspace, wideColorGamutPixelFormat);
+    gui::CompositionPreference pref;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getCompositionPreference(&pref);
+    if (status.isOk()) {
+        *defaultDataspace = static_cast<ui::Dataspace>(pref.defaultDataspace);
+        *defaultPixelFormat = static_cast<ui::PixelFormat>(pref.defaultPixelFormat);
+        *wideColorGamutDataspace = static_cast<ui::Dataspace>(pref.wideColorGamutDataspace);
+        *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(pref.wideColorGamutPixelFormat);
+    }
+    return statusTFromBinderStatus(status);
 }
 
 bool SurfaceComposerClient::getProtectedContentSupport() {
     bool supported = false;
-    ComposerService::getComposerService()->getProtectedContentSupport(&supported);
+    ComposerServiceAIDL::getComposerService()->getProtectedContentSupport(&supported);
     return supported;
 }
 
 status_t SurfaceComposerClient::clearAnimationFrameStats() {
-    return ComposerService::getComposerService()->clearAnimationFrameStats();
+    binder::Status status = ComposerServiceAIDL::getComposerService()->clearAnimationFrameStats();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getAnimationFrameStats(FrameStats* outStats) {
-    return ComposerService::getComposerService()->getAnimationFrameStats(outStats);
+    gui::FrameStats stats;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getAnimationFrameStats(&stats);
+    if (status.isOk()) {
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.setCapacity(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.add(t);
+        }
+        outStats->actualPresentTimesNano.setCapacity(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.add(t);
+        }
+        outStats->frameReadyTimesNano.setCapacity(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.add(t);
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::overrideHdrTypes(const sp<IBinder>& display,
                                                  const std::vector<ui::Hdr>& hdrTypes) {
-    return ComposerService::getComposerService()->overrideHdrTypes(display, hdrTypes);
+    std::vector<int32_t> hdrTypesVector;
+    hdrTypesVector.reserve(hdrTypes.size());
+    for (auto t : hdrTypes) {
+        hdrTypesVector.push_back(static_cast<int32_t>(t));
+    }
+
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->overrideHdrTypes(display, hdrTypesVector);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::onPullAtom(const int32_t atomId, std::string* outData,
                                            bool* success) {
-    return ComposerService::getComposerService()->onPullAtom(atomId, outData, success);
+    gui::PullAtomData pad;
+    binder::Status status = ComposerServiceAIDL::getComposerService()->onPullAtom(atomId, &pad);
+    if (status.isOk()) {
+        outData->assign(pad.data.begin(), pad.data.end());
+        *success = pad.success;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
                                                                       ui::PixelFormat* outFormat,
                                                                       ui::Dataspace* outDataspace,
                                                                       uint8_t* outComponentMask) {
-    return ComposerService::getComposerService()
-            ->getDisplayedContentSamplingAttributes(display, outFormat, outDataspace,
-                                                    outComponentMask);
+    if (!outFormat || !outDataspace || !outComponentMask) {
+        return BAD_VALUE;
+    }
+
+    gui::ContentSamplingAttributes attrs;
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->getDisplayedContentSamplingAttributes(display, &attrs);
+    if (status.isOk()) {
+        *outFormat = static_cast<ui::PixelFormat>(attrs.format);
+        *outDataspace = static_cast<ui::Dataspace>(attrs.dataspace);
+        *outComponentMask = static_cast<uint8_t>(attrs.componentMask);
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
                                                                  bool enable, uint8_t componentMask,
                                                                  uint64_t maxFrames) {
-    return ComposerService::getComposerService()->setDisplayContentSamplingEnabled(display, enable,
-                                                                                   componentMask,
-                                                                                   maxFrames);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()
+                    ->setDisplayContentSamplingEnabled(display, enable,
+                                                       static_cast<int8_t>(componentMask),
+                                                       static_cast<int64_t>(maxFrames));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSample(const sp<IBinder>& display,
                                                           uint64_t maxFrames, uint64_t timestamp,
                                                           DisplayedFrameStats* outStats) {
-    return ComposerService::getComposerService()->getDisplayedContentSample(display, maxFrames,
-                                                                            timestamp, outStats);
+    if (!outStats) {
+        return BAD_VALUE;
+    }
+
+    gui::DisplayedFrameStats stats;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayedContentSample(display, maxFrames,
+                                                                                 timestamp, &stats);
+    if (status.isOk()) {
+        // convert gui::DisplayedFrameStats to ui::DisplayedFrameStats
+        outStats->numFrames = static_cast<uint64_t>(stats.numFrames);
+        outStats->component_0_sample.reserve(stats.component_0_sample.size());
+        for (const auto& s : stats.component_0_sample) {
+            outStats->component_0_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_1_sample.reserve(stats.component_1_sample.size());
+        for (const auto& s : stats.component_1_sample) {
+            outStats->component_1_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_2_sample.reserve(stats.component_2_sample.size());
+        for (const auto& s : stats.component_2_sample) {
+            outStats->component_2_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_3_sample.reserve(stats.component_3_sample.size());
+        for (const auto& s : stats.component_3_sample) {
+            outStats->component_3_sample.push_back(static_cast<uint64_t>(s));
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::isWideColorDisplay(const sp<IBinder>& display,
@@ -2344,39 +2647,55 @@ status_t SurfaceComposerClient::isWideColorDisplay(const sp<IBinder>& display,
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->isWideColorDisplay(display,
                                                                           outIsWideColorDisplay);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addRegionSamplingListener(
         const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
         const sp<IRegionSamplingListener>& listener) {
-    return ComposerService::getComposerService()->addRegionSamplingListener(samplingArea,
-                                                                            stopLayerHandle,
-                                                                            listener);
+    gui::ARect rect;
+    rect.left = samplingArea.left;
+    rect.top = samplingArea.top;
+    rect.right = samplingArea.right;
+    rect.bottom = samplingArea.bottom;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addRegionSamplingListener(rect,
+                                                                                 stopLayerHandle,
+                                                                                 listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeRegionSamplingListener(
         const sp<IRegionSamplingListener>& listener) {
-    return ComposerService::getComposerService()->removeRegionSamplingListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->removeRegionSamplingListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addFpsListener(int32_t taskId,
                                                const sp<gui::IFpsListener>& listener) {
-    return ComposerService::getComposerService()->addFpsListener(taskId, listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addFpsListener(taskId, listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeFpsListener(const sp<gui::IFpsListener>& listener) {
-    return ComposerService::getComposerService()->removeFpsListener(listener);
+    binder::Status status = ComposerServiceAIDL::getComposerService()->removeFpsListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addTunnelModeEnabledListener(
         const sp<gui::ITunnelModeEnabledListener>& listener) {
-    return ComposerService::getComposerService()->addTunnelModeEnabledListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addTunnelModeEnabledListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeTunnelModeEnabledListener(
         const sp<gui::ITunnelModeEnabledListener>& listener) {
-    return ComposerService::getComposerService()->removeTunnelModeEnabledListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->removeTunnelModeEnabledListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 bool SurfaceComposerClient::getDisplayBrightnessSupport(const sp<IBinder>& displayToken) {
@@ -2392,7 +2711,7 @@ status_t SurfaceComposerClient::setDisplayBrightness(const sp<IBinder>& displayT
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->setDisplayBrightness(displayToken,
                                                                             brightness);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addHdrLayerInfoListener(
@@ -2400,7 +2719,7 @@ status_t SurfaceComposerClient::addHdrLayerInfoListener(
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->addHdrLayerInfoListener(displayToken,
                                                                                listener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeHdrLayerInfoListener(
@@ -2408,45 +2727,79 @@ status_t SurfaceComposerClient::removeHdrLayerInfoListener(
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->removeHdrLayerInfoListener(displayToken,
                                                                                   listener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::notifyPowerBoost(int32_t boostId) {
     binder::Status status = ComposerServiceAIDL::getComposerService()->notifyPowerBoost(boostId);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setGlobalShadowSettings(const half4& ambientColor,
                                                         const half4& spotColor, float lightPosY,
                                                         float lightPosZ, float lightRadius) {
-    return ComposerService::getComposerService()->setGlobalShadowSettings(ambientColor, spotColor,
-                                                                          lightPosY, lightPosZ,
-                                                                          lightRadius);
+    gui::Color ambientColorG, spotColorG;
+    ambientColorG.r = ambientColor.r;
+    ambientColorG.g = ambientColor.g;
+    ambientColorG.b = ambientColor.b;
+    ambientColorG.a = ambientColor.a;
+    spotColorG.r = spotColor.r;
+    spotColorG.g = spotColor.g;
+    spotColorG.b = spotColor.b;
+    spotColorG.a = spotColor.a;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->setGlobalShadowSettings(ambientColorG,
+                                                                               spotColorG,
+                                                                               lightPosY, lightPosZ,
+                                                                               lightRadius);
+    return statusTFromBinderStatus(status);
 }
 
 std::optional<DisplayDecorationSupport> SurfaceComposerClient::getDisplayDecorationSupport(
         const sp<IBinder>& displayToken) {
+    std::optional<gui::DisplayDecorationSupport> gsupport;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayDecorationSupport(displayToken,
+                                                                                   &gsupport);
     std::optional<DisplayDecorationSupport> support;
-    ComposerService::getComposerService()->getDisplayDecorationSupport(displayToken, &support);
+    if (status.isOk() && gsupport.has_value()) {
+        support.emplace(DisplayDecorationSupport{
+          .format =
+                static_cast<aidl::android::hardware::graphics::common::PixelFormat>(
+                gsupport->format),
+          .alphaInterpretation =
+                static_cast<aidl::android::hardware::graphics::common::AlphaInterpretation>(
+                        gsupport->alphaInterpretation)
+        });
+    }
     return support;
 }
 
-int SurfaceComposerClient::getGPUContextPriority() {
-    return ComposerService::getComposerService()->getGPUContextPriority();
+int SurfaceComposerClient::getGpuContextPriority() {
+    int priority;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getGpuContextPriority(&priority);
+    if (!status.isOk()) {
+        status_t err = statusTFromBinderStatus(status);
+        ALOGE("getGpuContextPriority failed to read data:  %s (%d)", strerror(-err), err);
+        return 0;
+    }
+    return priority;
 }
 
 status_t SurfaceComposerClient::addWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
         std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo) {
     return WindowInfosListenerReporter::getInstance()
-            ->addWindowInfosListener(windowInfosListener, ComposerService::getComposerService(),
+            ->addWindowInfosListener(windowInfosListener, ComposerServiceAIDL::getComposerService(),
                                      outInitialInfo);
 }
 
 status_t SurfaceComposerClient::removeWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener) {
     return WindowInfosListenerReporter::getInstance()
-            ->removeWindowInfosListener(windowInfosListener, ComposerService::getComposerService());
+            ->removeWindowInfosListener(windowInfosListener,
+                                        ComposerServiceAIDL::getComposerService());
 }
 
 // ----------------------------------------------------------------------------
@@ -2457,7 +2810,7 @@ status_t ScreenshotClient::captureDisplay(const DisplayCaptureArgs& captureArgs,
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureDisplay(captureArgs, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t ScreenshotClient::captureDisplay(DisplayId displayId,
@@ -2466,7 +2819,7 @@ status_t ScreenshotClient::captureDisplay(DisplayId displayId,
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureDisplayById(displayId.value, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t ScreenshotClient::captureLayers(const LayerCaptureArgs& captureArgs,
@@ -2475,7 +2828,7 @@ status_t ScreenshotClient::captureLayers(const LayerCaptureArgs& captureArgs,
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureLayers(captureArgs, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 // ---------------------------------------------------------------------------------
@@ -2504,7 +2857,11 @@ void ReleaseCallbackThread::threadMain() {
 
         while (!callbackInfos.empty()) {
             auto [callbackId, releaseFence] = callbackInfos.front();
-            listener->onReleaseBuffer(callbackId, std::move(releaseFence), UINT_MAX);
+            std::optional<os::ParcelFileDescriptor> fenceFd;
+            if (releaseFence != Fence::NO_FENCE) {
+                fenceFd = os::ParcelFileDescriptor(base::unique_fd(::dup(releaseFence->get())));
+            }
+            listener->onReleaseBuffer(callbackId, fenceFd, UINT_MAX);
             callbackInfos.pop();
         }
 
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 654fb336fe..7aee882422 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -49,13 +49,12 @@ namespace android {
 // ============================================================================
 
 SurfaceControl::SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                               const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                               uint32_t w, uint32_t h, PixelFormat format, uint32_t transform,
-                               uint32_t flags)
+                               int32_t layerId, const std::string& name, uint32_t w, uint32_t h,
+                               PixelFormat format, uint32_t transform, uint32_t flags)
       : mClient(client),
         mHandle(handle),
-        mGraphicBufferProducer(gbp),
         mLayerId(layerId),
+        mName(name),
         mTransformHint(transform),
         mWidth(w),
         mHeight(h),
@@ -65,9 +64,9 @@ SurfaceControl::SurfaceControl(const sp<SurfaceComposerClient>& client, const sp
 SurfaceControl::SurfaceControl(const sp<SurfaceControl>& other) {
     mClient = other->mClient;
     mHandle = other->mHandle;
-    mGraphicBufferProducer = other->mGraphicBufferProducer;
     mTransformHint = other->mTransformHint;
     mLayerId = other->mLayerId;
+    mName = other->mName;
     mWidth = other->mWidth;
     mHeight = other->mHeight;
     mFormat = other->mFormat;
@@ -165,11 +164,11 @@ sp<Surface> SurfaceControl::createSurface()
 
 void SurfaceControl::updateDefaultBufferSize(uint32_t width, uint32_t height) {
     Mutex::Autolock _l(mLock);
-    mWidth = width; mHeight = height;
+    mWidth = width;
+    mHeight = height;
     if (mBbq) {
         mBbq->update(mBbqChild, width, height, mFormat);
     }
-
 }
 
 sp<IBinder> SurfaceControl::getLayerStateHandle() const
@@ -188,6 +187,10 @@ int32_t SurfaceControl::getLayerId() const {
     return mLayerId;
 }
 
+const std::string& SurfaceControl::getName() const {
+    return mName;
+}
+
 sp<IGraphicBufferProducer> SurfaceControl::getIGraphicBufferProducer()
 {
     getSurface();
@@ -215,6 +218,7 @@ status_t SurfaceControl::writeToParcel(Parcel& parcel) {
     SAFE_PARCEL(parcel.writeStrongBinder, ISurfaceComposerClient::asBinder(mClient->getClient()));
     SAFE_PARCEL(parcel.writeStrongBinder, mHandle);
     SAFE_PARCEL(parcel.writeInt32, mLayerId);
+    SAFE_PARCEL(parcel.writeUtf8AsUtf16, mName);
     SAFE_PARCEL(parcel.writeUint32, mTransformHint);
     SAFE_PARCEL(parcel.writeUint32, mWidth);
     SAFE_PARCEL(parcel.writeUint32, mHeight);
@@ -228,6 +232,7 @@ status_t SurfaceControl::readFromParcel(const Parcel& parcel,
     sp<IBinder> client;
     sp<IBinder> handle;
     int32_t layerId;
+    std::string layerName;
     uint32_t transformHint;
     uint32_t width;
     uint32_t height;
@@ -236,18 +241,17 @@ status_t SurfaceControl::readFromParcel(const Parcel& parcel,
     SAFE_PARCEL(parcel.readStrongBinder, &client);
     SAFE_PARCEL(parcel.readStrongBinder, &handle);
     SAFE_PARCEL(parcel.readInt32, &layerId);
+    SAFE_PARCEL(parcel.readUtf8FromUtf16, &layerName);
     SAFE_PARCEL(parcel.readUint32, &transformHint);
     SAFE_PARCEL(parcel.readUint32, &width);
     SAFE_PARCEL(parcel.readUint32, &height);
     SAFE_PARCEL(parcel.readUint32, &format);
 
     // We aren't the original owner of the surface.
-    *outSurfaceControl =
-            new SurfaceControl(new SurfaceComposerClient(
-                                       interface_cast<ISurfaceComposerClient>(client)),
-                               handle.get(), nullptr, layerId,
-                               width, height, format,
-                               transformHint);
+    *outSurfaceControl = new SurfaceControl(new SurfaceComposerClient(
+                                                    interface_cast<ISurfaceComposerClient>(client)),
+                                            handle.get(), layerId, layerName, width, height, format,
+                                            transformHint);
 
     return NO_ERROR;
 }
diff --git a/libs/gui/SyncFeatures.cpp b/libs/gui/SyncFeatures.cpp
index 1a8fc1a00a..2d863c2585 100644
--- a/libs/gui/SyncFeatures.cpp
+++ b/libs/gui/SyncFeatures.cpp
@@ -36,8 +36,12 @@ SyncFeatures::SyncFeatures() : Singleton<SyncFeatures>(),
         mHasFenceSync(false),
         mHasWaitSync(false) {
     EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-    // This can only be called after EGL has been initialized; otherwise the
-    // check below will abort.
+    // eglQueryString can only be called after EGL has been initialized;
+    // otherwise the check below will abort.  If RenderEngine is using SkiaVk,
+    // EGL will not have been initialized.  There's no problem with initializing
+    // it again here (it is ref counted), and then terminating it later.
+    EGLBoolean initialized = eglInitialize(dpy, nullptr, nullptr);
+    LOG_ALWAYS_FATAL_IF(!initialized, "eglInitialize failed");
     const char* exts = eglQueryString(dpy, EGL_EXTENSIONS);
     LOG_ALWAYS_FATAL_IF(exts == nullptr, "eglQueryString failed");
     if (strstr(exts, "EGL_ANDROID_native_fence_sync")) {
@@ -63,6 +67,8 @@ SyncFeatures::SyncFeatures() : Singleton<SyncFeatures>(),
         mString.append(" EGL_KHR_wait_sync");
     }
     mString.append("]");
+    // Terminate EGL to match the eglInitialize above
+    eglTerminate(dpy);
 }
 
 bool SyncFeatures::useNativeFenceSync() const {
diff --git a/libs/gui/TransactionTracing.cpp b/libs/gui/TransactionTracing.cpp
deleted file mode 100644
index eedc3df009..0000000000
--- a/libs/gui/TransactionTracing.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "gui/TransactionTracing.h"
-#include "gui/ISurfaceComposer.h"
-
-#include <private/gui/ComposerService.h>
-
-namespace android {
-
-sp<TransactionTraceListener> TransactionTraceListener::sInstance = nullptr;
-std::mutex TransactionTraceListener::sMutex;
-
-TransactionTraceListener::TransactionTraceListener() {}
-
-sp<TransactionTraceListener> TransactionTraceListener::getInstance() {
-    const std::lock_guard<std::mutex> lock(sMutex);
-
-    if (sInstance == nullptr) {
-        sInstance = new TransactionTraceListener;
-
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        sf->addTransactionTraceListener(sInstance);
-    }
-
-    return sInstance;
-}
-
-binder::Status TransactionTraceListener::onToggled(bool enabled) {
-    ALOGD("TransactionTraceListener: onToggled listener called");
-    mTracingEnabled = enabled;
-
-    return binder::Status::ok();
-}
-
-bool TransactionTraceListener::isTracingEnabled() {
-    return mTracingEnabled;
-}
-
-} // namespace android
\ No newline at end of file
diff --git a/libs/gui/WindowInfo.cpp b/libs/gui/WindowInfo.cpp
index 4e966d1393..804ce4fac0 100644
--- a/libs/gui/WindowInfo.cpp
+++ b/libs/gui/WindowInfo.cpp
@@ -76,7 +76,7 @@ bool WindowInfo::operator==(const WindowInfo& info) const {
             info.inputConfig == inputConfig && info.displayId == displayId &&
             info.replaceTouchableRegionWithCrop == replaceTouchableRegionWithCrop &&
             info.applicationInfo == applicationInfo && info.layoutParamsType == layoutParamsType &&
-            info.layoutParamsFlags == layoutParamsFlags && info.isClone == isClone;
+            info.layoutParamsFlags == layoutParamsFlags;
 }
 
 status_t WindowInfo::writeToParcel(android::Parcel* parcel) const {
@@ -124,8 +124,7 @@ status_t WindowInfo::writeToParcel(android::Parcel* parcel) const {
         parcel->write(touchableRegion) ?:
         parcel->writeBool(replaceTouchableRegionWithCrop) ?:
         parcel->writeStrongBinder(touchableRegionCropHandle.promote()) ?:
-        parcel->writeStrongBinder(windowToken) ?:
-        parcel->writeBool(isClone);
+        parcel->writeStrongBinder(windowToken);
     // clang-format on
     return status;
 }
@@ -176,8 +175,7 @@ status_t WindowInfo::readFromParcel(const android::Parcel* parcel) {
         parcel->read(touchableRegion) ?:
         parcel->readBool(&replaceTouchableRegionWithCrop) ?:
         parcel->readNullableStrongBinder(&touchableRegionCropHandleSp) ?:
-        parcel->readNullableStrongBinder(&windowToken) ?:
-        parcel->readBool(&isClone);
+        parcel->readNullableStrongBinder(&windowToken);
     // clang-format on
 
     if (status != OK) {
diff --git a/libs/gui/WindowInfosListenerReporter.cpp b/libs/gui/WindowInfosListenerReporter.cpp
index cfc7dbc463..01e865da6a 100644
--- a/libs/gui/WindowInfosListenerReporter.cpp
+++ b/libs/gui/WindowInfosListenerReporter.cpp
@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 
-#include <gui/ISurfaceComposer.h>
+#include <android/gui/ISurfaceComposer.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/WindowInfosListenerReporter.h>
 
 namespace android {
@@ -23,6 +24,7 @@ using gui::DisplayInfo;
 using gui::IWindowInfosReportedListener;
 using gui::WindowInfo;
 using gui::WindowInfosListener;
+using gui::aidl_utils::statusTFromBinderStatus;
 
 sp<WindowInfosListenerReporter> WindowInfosListenerReporter::getInstance() {
     static sp<WindowInfosListenerReporter> sInstance = new WindowInfosListenerReporter;
@@ -31,13 +33,14 @@ sp<WindowInfosListenerReporter> WindowInfosListenerReporter::getInstance() {
 
 status_t WindowInfosListenerReporter::addWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
-        const sp<ISurfaceComposer>& surfaceComposer,
+        const sp<gui::ISurfaceComposer>& surfaceComposer,
         std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo) {
     status_t status = OK;
     {
         std::scoped_lock lock(mListenersMutex);
         if (mWindowInfosListeners.empty()) {
-            status = surfaceComposer->addWindowInfosListener(this);
+            binder::Status s = surfaceComposer->addWindowInfosListener(this);
+            status = statusTFromBinderStatus(s);
         }
 
         if (status == OK) {
@@ -55,12 +58,13 @@ status_t WindowInfosListenerReporter::addWindowInfosListener(
 
 status_t WindowInfosListenerReporter::removeWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
-        const sp<ISurfaceComposer>& surfaceComposer) {
+        const sp<gui::ISurfaceComposer>& surfaceComposer) {
     status_t status = OK;
     {
         std::scoped_lock lock(mListenersMutex);
         if (mWindowInfosListeners.size() == 1) {
-            status = surfaceComposer->removeWindowInfosListener(this);
+            binder::Status s = surfaceComposer->removeWindowInfosListener(this);
+            status = statusTFromBinderStatus(s);
             // Clear the last stored state since we're disabling updates and don't want to hold
             // stale values
             mLastWindowInfos.clear();
@@ -78,7 +82,8 @@ status_t WindowInfosListenerReporter::removeWindowInfosListener(
 binder::Status WindowInfosListenerReporter::onWindowInfosChanged(
         const std::vector<WindowInfo>& windowInfos, const std::vector<DisplayInfo>& displayInfos,
         const sp<IWindowInfosReportedListener>& windowInfosReportedListener) {
-    std::unordered_set<sp<WindowInfosListener>, SpHash<WindowInfosListener>> windowInfosListeners;
+    std::unordered_set<sp<WindowInfosListener>, gui::SpHash<WindowInfosListener>>
+            windowInfosListeners;
 
     {
         std::scoped_lock lock(mListenersMutex);
@@ -101,7 +106,7 @@ binder::Status WindowInfosListenerReporter::onWindowInfosChanged(
     return binder::Status::ok();
 }
 
-void WindowInfosListenerReporter::reconnect(const sp<ISurfaceComposer>& composerService) {
+void WindowInfosListenerReporter::reconnect(const sp<gui::ISurfaceComposer>& composerService) {
     std::scoped_lock lock(mListenersMutex);
     if (!mWindowInfosListeners.empty()) {
         composerService->addWindowInfosListener(this);
diff --git a/libs/gui/aidl/android/gui/Rect.aidl b/libs/gui/aidl/android/gui/ARect.aidl
index 1b13761392..5785907a9c 100644
--- a/libs/gui/aidl/android/gui/Rect.aidl
+++ b/libs/gui/aidl/android/gui/ARect.aidl
@@ -20,7 +20,7 @@ package android.gui;
 // TODO(b/221473398):
 // use hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
 /** @hide */
-parcelable Rect {
+parcelable ARect {
     /// Minimum X coordinate of the rectangle.
     int left;
 
diff --git a/libs/gui/aidl/android/gui/Color.aidl b/libs/gui/aidl/android/gui/Color.aidl
new file mode 100644
index 0000000000..12af066562
--- /dev/null
+++ b/libs/gui/aidl/android/gui/Color.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable Color {
+    float r;
+    float g;
+    float b;
+    float a;
+}
diff --git a/libs/gui/aidl/android/gui/CompositionPreference.aidl b/libs/gui/aidl/android/gui/CompositionPreference.aidl
new file mode 100644
index 0000000000..b615824a7d
--- /dev/null
+++ b/libs/gui/aidl/android/gui/CompositionPreference.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable CompositionPreference {
+    int /*ui::Dataspace*/   defaultDataspace;
+    int /*ui::PixelFormat*/ defaultPixelFormat;
+    int /*ui::Dataspace*/   wideColorGamutDataspace;
+    int /*ui::PixelFormat*/ wideColorGamutPixelFormat;
+}
diff --git a/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
new file mode 100644
index 0000000000..5d913b1da6
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable ContentSamplingAttributes {
+    int /*ui::PixelFormat*/ format;
+    int /*ui::Dataspace*/ dataspace;
+    byte componentMask;
+}
diff --git a/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
new file mode 100644
index 0000000000..eea12dc75d
--- /dev/null
+++ b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable CreateSurfaceResult {
+    IBinder handle;
+    int layerId;
+    String layerName;
+    int transformHint;
+}
diff --git a/libs/gui/aidl/android/gui/DeviceProductInfo.aidl b/libs/gui/aidl/android/gui/DeviceProductInfo.aidl
new file mode 100644
index 0000000000..98404cf0fd
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DeviceProductInfo.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Product-specific information about the display or the directly connected device on the
+// display chain. For example, if the display is transitively connected, this field may contain
+// product information about the intermediate device.
+
+/** @hide */
+parcelable DeviceProductInfo {
+    parcelable ModelYear {
+        int year;
+    }
+
+    parcelable ManufactureYear {
+        ModelYear modelYear;
+    }
+
+    parcelable ManufactureWeekAndYear {
+        ManufactureYear manufactureYear;
+
+        // 1-base week number. Week numbering may not be consistent between manufacturers.
+        int week;
+    }
+
+    union ManufactureOrModelDate {
+        ModelYear modelYear;
+        ManufactureYear manufactureYear;
+        ManufactureWeekAndYear manufactureWeekAndYear;
+    }
+
+    // Display name.
+    @utf8InCpp String name;
+
+    // NULL-terminated Manufacturer plug and play ID.
+    byte[] manufacturerPnpId;
+
+    // Manufacturer product ID.
+    @utf8InCpp String productId;
+
+    ManufactureOrModelDate manufactureOrModelDate;
+
+    byte[] relativeAddress;
+}
diff --git a/libs/gui/aidl/android/gui/DisplayConnectionType.aidl b/libs/gui/aidl/android/gui/DisplayConnectionType.aidl
new file mode 100644
index 0000000000..72c4ede7ac
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DisplayConnectionType.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+@Backing(type="int")
+enum DisplayConnectionType {
+   Internal = 0,
+   External = 1
+}
diff --git a/services/inputflinger/tests/IInputFlingerQuery.aidl b/libs/gui/aidl/android/gui/DisplayDecorationSupport.aidl
index 5aeb21f6b4..023049657b 100644
--- a/services/inputflinger/tests/IInputFlingerQuery.aidl
+++ b/libs/gui/aidl/android/gui/DisplayDecorationSupport.aidl
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2020, The Android Open Source Project
+ * Copyright (c) 2022, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,12 @@
  * limitations under the License.
  */
 
-import android.InputChannel;
-import android.gui.FocusRequest;
-import android.gui.WindowInfo;
+package android.gui;
 
+// TODO(b/222607970):
+// remove this aidl and use android.hardware.graphics.common.DisplayDecorationSupport
 /** @hide */
-interface IInputFlingerQuery
-{
-    /* Test interfaces */
-    void getInputChannels(out InputChannel[] channels);
-    void resetInputManager();
+parcelable DisplayDecorationSupport {
+    int format;
+    int alphaInterpretation;
 }
diff --git a/libs/gui/aidl/android/gui/DisplayMode.aidl b/libs/gui/aidl/android/gui/DisplayMode.aidl
new file mode 100644
index 0000000000..ce30426cb5
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DisplayMode.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.Size;
+
+// Mode supported by physical display.
+// Make sure to sync with libui DisplayMode.h
+
+/** @hide */
+parcelable DisplayMode {
+    int id;
+    Size resolution;
+    float xDpi = 0.0f;
+    float yDpi = 0.0f;
+    int[] supportedHdrTypes;
+
+    float refreshRate = 0.0f;
+    long appVsyncOffset = 0;
+    long sfVsyncOffset = 0;
+    long presentationDeadline = 0;
+    int group = -1;
+}
diff --git a/libs/gui/aidl/android/gui/DisplayModeSpecs.aidl b/libs/gui/aidl/android/gui/DisplayModeSpecs.aidl
new file mode 100644
index 0000000000..af138c7539
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DisplayModeSpecs.aidl
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable DisplayModeSpecs {
+    /**
+     * Defines the refresh rates ranges that should be used by SF.
+     */
+    parcelable RefreshRateRanges {
+        /**
+         * Defines a range of refresh rates.
+         */
+        parcelable RefreshRateRange {
+            float min;
+            float max;
+        }
+
+        /**
+         *  The range of refresh rates that the display should run at.
+         */
+        RefreshRateRange physical;
+
+        /**
+         *  The range of refresh rates that apps should render at.
+         */
+        RefreshRateRange render;
+    }
+
+    /**
+     * Base mode ID. This is what system defaults to for all other settings, or
+     * if the refresh rate range is not available.
+     */
+    int defaultMode;
+
+    /**
+     * If true this will allow switching between modes in different display configuration
+     * groups. This way the user may see visual interruptions when the display mode changes.
+     */
+
+    boolean allowGroupSwitching;
+
+    /**
+     * The primary physical and render refresh rate ranges represent DisplayManager's general
+     * guidance on the display modes SurfaceFlinger will consider when switching refresh
+     * rates and scheduling the frame rate. Unless SurfaceFlinger has a specific reason to do
+     * otherwise, it will stay within this range.
+     */
+    RefreshRateRanges primaryRanges;
+
+    /**
+     * The app request physical and render refresh rate ranges allow SurfaceFlinger to consider
+     * more display modes when switching refresh rates. Although SurfaceFlinger will
+     * generally stay within the primary range, specific considerations, such as layer frame
+     * rate settings specified via the setFrameRate() API, may cause SurfaceFlinger to go
+     * outside the primary range. SurfaceFlinger never goes outside the app request range.
+     * The app request range will be greater than or equal to the primary refresh rate range,
+     * never smaller.
+     */
+    RefreshRateRanges appRequestRanges;
+}
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/DisplayPrimaries.aidl
index 6929a6cb49..dbf668c629 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/DisplayPrimaries.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,20 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
+// copied from libui ConfigStoreTypes.h
 
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable DisplayPrimaries {
+    parcelable CieXyz {
+        float X;
+        float Y;
+        float Z;
+    }
+
+    CieXyz red;
+    CieXyz green;
+    CieXyz blue;
+    CieXyz white;
 }
diff --git a/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl b/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl
new file mode 100644
index 0000000000..f4b6dadc49
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable DisplayedFrameStats {
+    /* The number of frames represented by this sample. */
+    long numFrames = 0;
+
+    /* A histogram counting how many times a pixel of a given value was displayed onscreen for
+     * FORMAT_COMPONENT_0. The buckets of the histogram are evenly weighted, the number of buckets
+     * is device specific. eg, for RGBA_8888, if sampleComponent0 is {10, 6, 4, 1} this means that
+     * 10 red pixels were displayed onscreen in range 0x00->0x3F, 6 red pixels
+     * were displayed onscreen in range 0x40->0x7F, etc.
+     */
+    long[] component_0_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_1. */
+    long[] component_1_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_2. */
+    long[] component_2_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_3. */
+    long[] component_3_sample;
+}
diff --git a/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl b/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl
new file mode 100644
index 0000000000..3114929e86
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.DisplayMode;
+import android.gui.HdrCapabilities;
+
+// Information about a physical display which may change on hotplug reconnect.
+// Make sure to sync with libui DynamicDisplayInfo.h
+
+/** @hide */
+parcelable DynamicDisplayInfo {
+    List<DisplayMode> supportedDisplayModes;
+
+    int activeDisplayModeId;
+    float renderFrameRate;
+
+    int[] supportedColorModes;
+    int activeColorMode;
+    HdrCapabilities hdrCapabilities;
+
+    // True if the display reports support for HDMI 2.1 Auto Low Latency Mode.
+    // For more information, see the HDMI 2.1 specification.
+    boolean autoLowLatencyModeSupported;
+
+    // True if the display reports support for Game Content Type.
+    // For more information, see the HDMI 1.4 specification.
+    boolean gameContentTypeSupported;
+
+    // The boot display mode preferred by the implementation.
+    int preferredBootDisplayMode;
+}
diff --git a/libs/gui/aidl/android/gui/FrameEvent.aidl b/libs/gui/aidl/android/gui/FrameEvent.aidl
new file mode 100644
index 0000000000..aaabdb5b54
--- /dev/null
+++ b/libs/gui/aidl/android/gui/FrameEvent.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Identifiers for all the events that may be recorded or reported.
+
+/** @hide */
+@Backing(type="int")
+enum FrameEvent {
+    POSTED = 0,
+    REQUESTED_PRESENT = 1,
+    LATCH = 2,
+    ACQUIRE = 3,
+    FIRST_REFRESH_START = 4,
+    LAST_REFRESH_START = 5,
+    GPU_COMPOSITION_DONE = 6,
+    DISPLAY_PRESENT = 7,
+    DEQUEUE_READY = 8,
+    RELEASE = 9,
+    EVENT_COUNT = 10 // Not an actual event.
+}
diff --git a/libs/gui/aidl/android/gui/FrameStats.aidl b/libs/gui/aidl/android/gui/FrameStats.aidl
new file mode 100644
index 0000000000..a145e74b11
--- /dev/null
+++ b/libs/gui/aidl/android/gui/FrameStats.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Make sure to sync with libui FrameStats.h
+
+/** @hide */
+parcelable FrameStats {
+    /*
+     * Approximate refresh time, in nanoseconds.
+     */
+    long refreshPeriodNano;
+
+    /*
+     * The times in nanoseconds for when the frame contents were posted by the producer (e.g.
+     * the application). They are either explicitly set or defaulted to the time when
+     * Surface::queueBuffer() was called.
+     */
+    long[] desiredPresentTimesNano;
+
+    /*
+     * The times in milliseconds for when the frame contents were presented on the screen.
+     */
+    long[] actualPresentTimesNano;
+
+    /*
+     * The times in nanoseconds for when the frame contents were ready to be presented. Note that
+     * a frame can be posted and still it contents being rendered asynchronously in GL. In such a
+     * case these are the times when the frame contents were completely rendered (i.e. their fences
+     * signaled).
+     */
+    long[] frameReadyTimesNano;
+}
diff --git a/libs/gui/include/gui/FrameTimelineInfo.h b/libs/gui/aidl/android/gui/FrameTimelineInfo.aidl
index 255ce568d2..6ffe466f20 100644
--- a/libs/gui/include/gui/FrameTimelineInfo.h
+++ b/libs/gui/aidl/android/gui/FrameTimelineInfo.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,36 +14,23 @@
  * limitations under the License.
  */
 
-#pragma once
+package android.gui;
 
-#include <stdint.h>
-
-#include <binder/Parcel.h>
-
-namespace android {
-
-struct FrameTimelineInfo {
+/** @hide */
+parcelable FrameTimelineInfo {
     // Needs to be in sync with android.graphics.FrameInfo.INVALID_VSYNC_ID in java
-    static constexpr int64_t INVALID_VSYNC_ID = -1;
+    const long INVALID_VSYNC_ID = -1;
 
     // The vsync id that was used to start the transaction
-    int64_t vsyncId = INVALID_VSYNC_ID;
+    long vsyncId = INVALID_VSYNC_ID;
 
     // The id of the input event that caused this buffer
     // Default is android::os::IInputConstants::INVALID_INPUT_EVENT_ID = 0
     // We copy the value of the input event ID instead of including the header, because libgui
     // header libraries containing FrameTimelineInfo must be available to vendors, but libinput is
     // not directly vendor available.
-    int32_t inputEventId = 0;
+    int inputEventId = 0;
 
     // The current time in nanoseconds the application started to render the frame.
-    int64_t startTimeNanos = 0;
-
-    status_t write(Parcel& output) const;
-    status_t read(const Parcel& input);
-
-    void merge(const FrameTimelineInfo& other);
-    void clear();
-};
-
-} // namespace android
+    long startTimeNanos = 0;
+}
diff --git a/libs/gui/aidl/android/gui/HdrCapabilities.aidl b/libs/gui/aidl/android/gui/HdrCapabilities.aidl
new file mode 100644
index 0000000000..9d06da9f27
--- /dev/null
+++ b/libs/gui/aidl/android/gui/HdrCapabilities.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Make sure to sync with libui HdrCapabilities.h
+
+/** @hide */
+parcelable HdrCapabilities {
+    int[] supportedHdrTypes;
+    float maxLuminance;
+    float maxAverageLuminance;
+    float minLuminance;
+}
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index b31b37bada..488a1486cc 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -16,39 +16,97 @@
 
 package android.gui;
 
-import android.gui.DisplayCaptureArgs;
+import android.gui.Color;
+import android.gui.CompositionPreference;
+import android.gui.ContentSamplingAttributes;
 import android.gui.DisplayBrightness;
+import android.gui.DisplayCaptureArgs;
+import android.gui.DisplayDecorationSupport;
+import android.gui.DisplayedFrameStats;
+import android.gui.DisplayModeSpecs;
+import android.gui.DisplayPrimaries;
 import android.gui.DisplayState;
 import android.gui.DisplayStatInfo;
+import android.gui.DynamicDisplayInfo;
+import android.gui.FrameEvent;
+import android.gui.FrameStats;
+import android.gui.IDisplayEventConnection;
+import android.gui.IFpsListener;
 import android.gui.IHdrLayerInfoListener;
-import android.gui.LayerCaptureArgs;
+import android.gui.IRegionSamplingListener;
 import android.gui.IScreenCaptureListener;
+import android.gui.ISurfaceComposerClient;
+import android.gui.ITunnelModeEnabledListener;
+import android.gui.IWindowInfosListener;
+import android.gui.LayerCaptureArgs;
+import android.gui.LayerDebugInfo;
+import android.gui.OverlayProperties;
+import android.gui.PullAtomData;
+import android.gui.ARect;
+import android.gui.StaticDisplayInfo;
 
 /** @hide */
 interface ISurfaceComposer {
 
-    /* create a virtual display
+    enum VsyncSource {
+        eVsyncSourceApp = 0,
+        eVsyncSourceSurfaceFlinger = 1
+    }
+
+    enum EventRegistration {
+        modeChanged = 1 << 0,
+        frameRateOverride = 1 << 1,
+    }
+
+    /**
+     * Signal that we're done booting.
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    // Note this must be the 1st method, so IBinder::FIRST_CALL_TRANSACTION
+    // is assigned, as it is called from Java by ActivityManagerService.
+    void bootFinished();
+
+    /**
+     * Create a display event connection
+     */
+    @nullable IDisplayEventConnection createDisplayEventConnection(VsyncSource vsyncSource,
+            EventRegistration eventRegistration);
+
+    /**
+     * Create a connection with SurfaceFlinger.
+     */
+    @nullable ISurfaceComposerClient createConnection();
+
+    /**
+     * Create a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     @nullable IBinder createDisplay(@utf8InCpp String displayName, boolean secure);
 
-    /* destroy a virtual display
+    /**
+     * Destroy a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     void destroyDisplay(IBinder display);
 
-    /* get stable IDs for connected physical displays.
+    /**
+     * Get stable IDs for connected physical displays.
      */
     long[] getPhysicalDisplayIds();
 
-    long getPrimaryPhysicalDisplayId();
-
-    /* get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or a
-     * DisplayEventReceiver hotplug event.
+    /**
+     * Get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or
+     * a DisplayEventReceiver hotplug event.
      */
     @nullable IBinder getPhysicalDisplayToken(long displayId);
 
-    /* set display power mode. depending on the mode, it can either trigger
+    /**
+     * Returns the frame timestamps supported by SurfaceFlinger.
+     */
+    FrameEvent[] getSupportedFrameTimestamps();
+
+    /**
+     * Set display power mode. depending on the mode, it can either trigger
      * screen on, off or low power mode and wait for it to complete.
      * requires ACCESS_SURFACE_FLINGER permission.
      */
@@ -60,12 +118,33 @@ interface ISurfaceComposer {
      * video frames */
     DisplayStatInfo getDisplayStats(@nullable IBinder display);
 
-     /**
+    /**
      * Get transactional state of given display.
      */
     DisplayState getDisplayState(IBinder display);
 
     /**
+     * Gets immutable information about given physical display.
+     */
+    StaticDisplayInfo getStaticDisplayInfo(long displayId);
+
+    /**
+     * Gets dynamic information about given physical display.
+     */
+    DynamicDisplayInfo getDynamicDisplayInfoFromId(long displayId);
+
+    DynamicDisplayInfo getDynamicDisplayInfoFromToken(IBinder display);
+
+    DisplayPrimaries getDisplayNativePrimaries(IBinder display);
+
+    void setActiveColorMode(IBinder display, int colorMode);
+
+    /**
+     * Sets the user-preferred display mode that a device should boot in.
+     */
+    void setBootDisplayMode(IBinder display, int displayModeId);
+
+    /**
      * Clears the user-preferred display mode. The device should now boot in system preferred
      * display mode.
      */
@@ -110,7 +189,9 @@ interface ISurfaceComposer {
      * match the size of the output buffer.
      */
     void captureDisplay(in DisplayCaptureArgs args, IScreenCaptureListener listener);
+
     void captureDisplayById(long displayId, IScreenCaptureListener listener);
+
     /**
      * Capture a subtree of the layer hierarchy, potentially ignoring the root node.
      * This requires READ_FRAME_BUFFER permission. This function will fail if there
@@ -118,13 +199,143 @@ interface ISurfaceComposer {
      */
     void captureLayers(in LayerCaptureArgs args, IScreenCaptureListener listener);
 
-    /*
+    /**
+     * Clears the frame statistics for animations.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void clearAnimationFrameStats();
+
+    /**
+     * Gets the frame statistics for animations.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    FrameStats getAnimationFrameStats();
+
+    /**
+     * Overrides the supported HDR modes for the given display device.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void overrideHdrTypes(IBinder display, in int[] hdrTypes);
+
+    /**
+     * Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
+     *
+     * Requires the calling uid be from system server.
+     */
+    PullAtomData onPullAtom(int atomId);
+
+    /**
+     * Gets the list of active layers in Z order for debugging purposes
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    List<LayerDebugInfo> getLayerDebugInfo();
+
+    boolean getColorManagement();
+
+    /**
+     * Gets the composition preference of the default data space and default pixel format,
+     * as well as the wide color gamut data space and wide color gamut pixel format.
+     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
+     * has no wide color gamut support.
+     *
+     */
+    CompositionPreference getCompositionPreference();
+
+    /**
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    ContentSamplingAttributes getDisplayedContentSamplingAttributes(IBinder display);
+
+    /**
+     * Turns on the color sampling engine on the display.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void setDisplayContentSamplingEnabled(IBinder display, boolean enable, byte componentMask, long maxFrames);
+
+    /**
+     * Returns statistics on the color profile of the last frame displayed for a given display
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    DisplayedFrameStats getDisplayedContentSample(IBinder display, long maxFrames, long timestamp);
+
+    /**
+     * Gets whether SurfaceFlinger can support protected content in GPU composition.
+     */
+    boolean getProtectedContentSupport();
+
+    /**
      * Queries whether the given display is a wide color display.
      * Requires the ACCESS_SURFACE_FLINGER permission.
      */
     boolean isWideColorDisplay(IBinder token);
 
-    /*
+    /**
+     * Registers a listener to stream median luma updates from SurfaceFlinger.
+     *
+     * The sampling area is bounded by both samplingArea and the given stopLayerHandle
+     * (i.e., only layers behind the stop layer will be captured and sampled).
+     *
+     * Multiple listeners may be provided so long as they have independent listeners.
+     * If multiple listeners are provided, the effective sampling region for each listener will
+     * be bounded by whichever stop layer has a lower Z value.
+     *
+     * Requires the same permissions as captureLayers and captureScreen.
+     */
+    void addRegionSamplingListener(in ARect samplingArea, @nullable IBinder stopLayerHandle, IRegionSamplingListener listener);
+
+    /**
+     * Removes a listener that was streaming median luma updates from SurfaceFlinger.
+     */
+    void removeRegionSamplingListener(IRegionSamplingListener listener);
+
+    /**
+     * Registers a listener that streams fps updates from SurfaceFlinger.
+     *
+     * The listener will stream fps updates for the layer tree rooted at the layer denoted by the
+     * task ID, i.e., the layer must have the task ID as part of its layer metadata with key
+     * METADATA_TASK_ID. If there is no such layer, then no fps is expected to be reported.
+     *
+     * Multiple listeners may be supported.
+     *
+     * Requires the READ_FRAME_BUFFER permission.
+     */
+    void addFpsListener(int taskId, IFpsListener listener);
+
+    /**
+     * Removes a listener that was streaming fps updates from SurfaceFlinger.
+     */
+    void removeFpsListener(IFpsListener listener);
+
+    /**
+     * Registers a listener to receive tunnel mode enabled updates from SurfaceFlinger.
+     *
+     * Requires ACCESS_SURFACE_FLINGER permission.
+     */
+    void addTunnelModeEnabledListener(ITunnelModeEnabledListener listener);
+
+    /**
+     * Removes a listener that was receiving tunnel mode enabled updates from SurfaceFlinger.
+     *
+     * Requires ACCESS_SURFACE_FLINGER permission.
+     */
+    void removeTunnelModeEnabledListener(ITunnelModeEnabledListener listener);
+
+    /**
+     * Sets the refresh rate boundaries for the display.
+     *
+     * @see DisplayModeSpecs.aidl for details.
+     */
+    void setDesiredDisplayModeSpecs(IBinder displayToken, in DisplayModeSpecs specs);
+
+    DisplayModeSpecs getDesiredDisplayModeSpecs(IBinder displayToken);
+
+    /**
      * Gets whether brightness operations are supported on a display.
      *
      * displayToken
@@ -138,7 +349,7 @@ interface ISurfaceComposer {
      */
     boolean getDisplayBrightnessSupport(IBinder displayToken);
 
-    /*
+    /**
      * Sets the brightness of a display.
      *
      * displayToken
@@ -153,7 +364,7 @@ interface ISurfaceComposer {
      */
     void setDisplayBrightness(IBinder displayToken, in DisplayBrightness brightness);
 
-    /*
+    /**
      * Adds a listener that receives HDR layer information. This is used in combination
      * with setDisplayBrightness to adjust the display brightness depending on factors such
      * as whether or not HDR is in use.
@@ -162,7 +373,7 @@ interface ISurfaceComposer {
      */
     void addHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Removes a listener that was added with addHdrLayerInfoListener.
      *
      * Returns NO_ERROR upon success, NAME_NOT_FOUND if the display is invalid, and BAD_VALUE if
@@ -171,7 +382,7 @@ interface ISurfaceComposer {
      */
     void removeHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Sends a power boost to the composer. This function is asynchronous.
      *
      * boostId
@@ -179,5 +390,75 @@ interface ISurfaceComposer {
      *
      * Returns NO_ERROR upon success.
      */
-    void notifyPowerBoost(int boostId);
+    oneway void notifyPowerBoost(int boostId);
+
+    /*
+     * Sets the global configuration for all the shadows drawn by SurfaceFlinger. Shadow follows
+     * material design guidelines.
+     *
+     * ambientColor
+     *      Color to the ambient shadow. The alpha is premultiplied.
+     *
+     * spotColor
+     *      Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
+     *      depends on the light position.
+     *
+     * lightPosY/lightPosZ
+     *      Position of the light used to cast the spot shadow. The X value is always the display
+     *      width / 2.
+     *
+     * lightRadius
+     *      Radius of the light casting the shadow.
+     */
+    oneway void setGlobalShadowSettings(in Color ambientColor, in Color spotColor, float lightPosY, float lightPosZ, float lightRadius);
+
+    /**
+     * Gets whether a display supports DISPLAY_DECORATION layers.
+     *
+     * displayToken
+     *      The token of the display.
+     * outSupport
+     *      An output parameter for whether/how the display supports
+     *      DISPLAY_DECORATION layers.
+     *
+     * Returns NO_ERROR upon success. Otherwise,
+     *      NAME_NOT_FOUND if the display is invalid, or
+     *      BAD_VALUE      if the output parameter is invalid.
+     */
+    @nullable DisplayDecorationSupport getDisplayDecorationSupport(IBinder displayToken);
+
+    /**
+     * Set the override frame rate for a specified uid by GameManagerService.
+     * Passing the frame rate and uid to SurfaceFlinger to update the override mapping
+     * in the scheduler.
+     */
+    void setOverrideFrameRate(int uid, float frameRate);
+
+    /**
+     * Gets priority of the RenderEngine in SurfaceFlinger.
+     */
+    int getGpuContextPriority();
+
+    /**
+     * Gets the number of buffers SurfaceFlinger would need acquire. This number
+     * would be propagated to the client via MIN_UNDEQUEUED_BUFFERS so that the
+     * client could allocate enough buffers to match SF expectations of the
+     * pipeline depth. SurfaceFlinger will make sure that it will give the app at
+     * least the time configured as the 'appDuration' before trying to latch
+     * the buffer.
+     *
+     * The total buffers needed for a given configuration is basically the
+     * numbers of vsyncs a single buffer is used across the stack. For the default
+     * configuration a buffer is held ~1 vsync by the app, ~1 vsync by SurfaceFlinger
+     * and 1 vsync by the display. The extra buffers are calculated as the
+     * number of additional buffers on top of the 2 buffers already present
+     * in MIN_UNDEQUEUED_BUFFERS.
+     */
+    int getMaxAcquiredBufferCount();
+
+    void addWindowInfosListener(IWindowInfosListener windowInfosListener);
+
+    void removeWindowInfosListener(IWindowInfosListener windowInfosListener);
+
+    OverlayProperties getOverlaySupport();
 }
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
new file mode 100644
index 0000000000..68781ce953
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.CreateSurfaceResult;
+import android.gui.FrameStats;
+import android.gui.LayerMetadata;
+
+/** @hide */
+interface ISurfaceComposerClient {
+
+    // flags for createSurface()
+    // (keep in sync with SurfaceControl.java)
+    const int eHidden = 0x00000004;
+    const int eDestroyBackbuffer = 0x00000020;
+    const int eSkipScreenshot = 0x00000040;
+    const int eSecure = 0x00000080;
+    const int eNonPremultiplied = 0x00000100;
+    const int eOpaque = 0x00000400;
+    const int eProtectedByApp = 0x00000800;
+    const int eProtectedByDRM = 0x00001000;
+    const int eCursorWindow = 0x00002000;
+    const int eNoColorFill = 0x00004000;
+
+    const int eFXSurfaceBufferQueue = 0x00000000;
+    const int eFXSurfaceEffect = 0x00020000;
+    const int eFXSurfaceBufferState = 0x00040000;
+    const int eFXSurfaceContainer = 0x00080000;
+    const int eFXSurfaceMask = 0x000F0000;
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    CreateSurfaceResult createSurface(@utf8InCpp String name, int flags, @nullable IBinder parent, in LayerMetadata metadata);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    void clearLayerFrameStats(IBinder handle);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    FrameStats getLayerFrameStats(IBinder handle);
+
+    CreateSurfaceResult mirrorSurface(IBinder mirrorFromHandle);
+
+    CreateSurfaceResult mirrorDisplay(long displayId);
+}
diff --git a/libs/gui/aidl/android/gui/ITransactionCompletedListener.aidl b/libs/gui/aidl/android/gui/ITransactionCompletedListener.aidl
new file mode 100644
index 0000000000..dde4d38cba
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ITransactionCompletedListener.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.ListenerStats;
+import android.gui.ReleaseCallbackId;
+
+/** @hide */
+oneway interface ITransactionCompletedListener {
+   void onTransactionCompleted(in ListenerStats stats);
+
+   void onReleaseBuffer(in ReleaseCallbackId callbackId,
+                        in @nullable ParcelFileDescriptor releaseFenceFd,
+                        int currentMaxAcquiredBufferCount);
+
+   void onTransactionQueueStalled(@utf8InCpp String name);
+}
diff --git a/libs/gui/aidl/android/gui/ITransactionTraceListener.aidl b/libs/gui/aidl/android/gui/ITransactionTraceListener.aidl
deleted file mode 100644
index 5cd12fdc2b..0000000000
--- a/libs/gui/aidl/android/gui/ITransactionTraceListener.aidl
+++ /dev/null
@@ -1,6 +0,0 @@
-package android.gui;
-
-/** @hide */
-interface ITransactionTraceListener {
-   void onToggled(boolean enabled);
-}
\ No newline at end of file
diff --git a/libs/gui/aidl/android/gui/LayerDebugInfo.aidl b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
new file mode 100644
index 0000000000..faca980f3c
--- /dev/null
+++ b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable LayerDebugInfo cpp_header "gui/LayerDebugInfo.h";
diff --git a/libs/gui/aidl/android/gui/LayerMetadata.aidl b/libs/gui/aidl/android/gui/LayerMetadata.aidl
new file mode 100644
index 0000000000..1368ac512f
--- /dev/null
+++ b/libs/gui/aidl/android/gui/LayerMetadata.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable LayerMetadata cpp_header "gui/LayerMetadata.h";
diff --git a/libs/gui/aidl/android/gui/ListenerStats.aidl b/libs/gui/aidl/android/gui/ListenerStats.aidl
new file mode 100644
index 0000000000..63248b2bf3
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ListenerStats.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable ListenerStats cpp_header "gui/ListenerStats.h";
diff --git a/libs/gui/aidl/android/gui/OverlayProperties.aidl b/libs/gui/aidl/android/gui/OverlayProperties.aidl
new file mode 100644
index 0000000000..75cea157aa
--- /dev/null
+++ b/libs/gui/aidl/android/gui/OverlayProperties.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable OverlayProperties {
+    parcelable SupportedBufferCombinations {
+        int[] pixelFormats;
+        int[] dataspaces;
+    }
+    SupportedBufferCombinations[] combinations;
+}
diff --git a/libs/gui/aidl/android/gui/PullAtomData.aidl b/libs/gui/aidl/android/gui/PullAtomData.aidl
new file mode 100644
index 0000000000..c307cef70e
--- /dev/null
+++ b/libs/gui/aidl/android/gui/PullAtomData.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable PullAtomData {
+    byte[] data;
+    boolean success;
+}
diff --git a/libs/gui/aidl/android/gui/ReleaseCallbackId.aidl b/libs/gui/aidl/android/gui/ReleaseCallbackId.aidl
new file mode 100644
index 0000000000..c86de34de9
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ReleaseCallbackId.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable ReleaseCallbackId cpp_header "gui/ReleaseCallbackId.h";
diff --git a/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
new file mode 100644
index 0000000000..0ccda56ef5
--- /dev/null
+++ b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.DisplayConnectionType;
+import android.gui.DeviceProductInfo;
+import android.gui.Rotation;
+
+/** @hide */
+parcelable StaticDisplayInfo {
+    DisplayConnectionType connectionType = DisplayConnectionType.Internal;
+    float density;
+    boolean secure;
+    @nullable DeviceProductInfo deviceProductInfo;
+    Rotation installOrientation = Rotation.Rotation0;
+}
diff --git a/libs/gui/fuzzer/Android.bp b/libs/gui/fuzzer/Android.bp
new file mode 100644
index 0000000000..82e1b5ae4d
--- /dev/null
+++ b/libs/gui/fuzzer/Android.bp
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_native_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_native_license"],
+}
+
+cc_defaults {
+    name: "libgui_fuzzer_defaults",
+    static_libs: [
+        "android.hidl.token@1.0-utils",
+        "libbinder_random_parcel",
+        "libgui_aidl_static",
+        "libgui_window_info_static",
+        "libpdx",
+        "libgmock",
+        "libgui_mocks",
+        "libgmock_ndk",
+        "libgmock_main",
+        "libgtest_ndk_c++",
+        "libgmock_main_ndk",
+        "librenderengine_mocks",
+        "perfetto_trace_protos",
+        "libcompositionengine_mocks",
+        "perfetto_trace_protos",
+    ],
+    shared_libs: [
+        "android.hardware.configstore@1.0",
+        "android.hardware.configstore-utils",
+        "android.hardware.graphics.bufferqueue@1.0",
+        "android.hardware.graphics.bufferqueue@2.0",
+        "android.hardware.power-V4-cpp",
+        "android.hidl.token@1.0",
+        "libSurfaceFlingerProp",
+        "libgui",
+        "libbase",
+        "liblog",
+        "libEGL",
+        "libGLESv2",
+        "libbinder",
+        "libcutils",
+        "libhidlbase",
+        "libinput",
+        "libui",
+        "libutils",
+        "libnativewindow",
+        "libvndksupport",
+    ],
+    header_libs: [
+        "libdvr_headers",
+        "libui_fuzzableDataspaces_headers",
+    ],
+    fuzz_config: {
+        cc: [
+            "android-media-fuzzing-reports@google.com",
+        ],
+        componentid: 155276,
+    },
+}
+
+cc_fuzz {
+    name: "libgui_surfaceComposer_fuzzer",
+    srcs: [
+        "libgui_surfaceComposer_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_surfaceComposerClient_fuzzer",
+    srcs: [
+        "libgui_surfaceComposerClient_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_parcelable_fuzzer",
+    srcs: [
+        "libgui_parcelable_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_bufferQueue_fuzzer",
+    srcs: [
+        "libgui_bufferQueue_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_consumer_fuzzer",
+    srcs: [
+        "libgui_consumer_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_displayEvent_fuzzer",
+    srcs: [
+        "libgui_displayEvent_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
diff --git a/libs/gui/fuzzer/README.md b/libs/gui/fuzzer/README.md
new file mode 100644
index 0000000000..96e27c989f
--- /dev/null
+++ b/libs/gui/fuzzer/README.md
@@ -0,0 +1,219 @@
+# Fuzzers for Libgui
+
+## Table of contents
++ [libgui_surfaceComposer_fuzzer](#SurfaceComposer)
++ [libgui_surfaceComposerClient_fuzzer](#SurfaceComposerClient)
++ [libgui_parcelable_fuzzer](#Libgui_Parcelable)
++ [libgui_bufferQueue_fuzzer](#BufferQueue)
++ [libgui_consumer_fuzzer](#Libgui_Consumer)
++ [libgui_displayEvent_fuzzer](#LibGui_DisplayEvent)
+
+# <a name="libgui_surfaceComposer_fuzzer"></a> Fuzzer for SurfaceComposer
+
+SurfaceComposer supports the following parameters:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`outLayerId`)
+7. SurfaceComposerTags (parameter name:`surfaceTag`)
+8. PowerBoostID (parameter name:`boostId`)
+9. VsyncSource (parameter name:`vsyncSource`)
+10. EventRegistrationFlags (parameter name:`eventRegistration`)
+11. FrameRateCompatibility (parameter name:`frameRateCompatibility`)
+12. ChangeFrameRateStrategy (parameter name:`changeFrameRateStrategy`)
+13. HdrTypes (parameter name:`hdrTypes`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`surfaceTag` | 0.`BnSurfaceComposer::BOOT_FINISHED`, 1.`BnSurfaceComposer::CREATE_CONNECTION`, 2.`BnSurfaceComposer::GET_STATIC_DISPLAY_INFO`, 3.`BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION`, 4.`BnSurfaceComposer::CREATE_DISPLAY`, 5.`BnSurfaceComposer::DESTROY_DISPLAY`, 6.`BnSurfaceComposer::GET_PHYSICAL_DISPLAY_TOKEN`, 7.`BnSurfaceComposer::SET_TRANSACTION_STATE`, 8.`BnSurfaceComposer::AUTHENTICATE_SURFACE`, 9.`BnSurfaceComposer::GET_SUPPORTED_FRAME_TIMESTAMPS`, 10.`BnSurfaceComposer::GET_DISPLAY_STATE`, 11.`BnSurfaceComposer::CAPTURE_DISPLAY`, 12.`BnSurfaceComposer::CAPTURE_LAYERS`, 13.`BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS`, 14.`BnSurfaceComposer::GET_ANIMATION_FRAME_STATS`, 15.`BnSurfaceComposer::SET_POWER_MODE`, 16.`BnSurfaceComposer::GET_DISPLAY_STATS`, 17.`BnSurfaceComposer::SET_ACTIVE_COLOR_MODE`, 18.`BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS`, 19.`BnSurfaceComposer::INJECT_VSYNC`, 20.`BnSurfaceComposer::GET_LAYER_DEBUG_INFO`, 21.`BnSurfaceComposer::GET_COMPOSITION_PREFERENCE`, 22.`BnSurfaceComposer::GET_COLOR_MANAGEMENT`, 23.`BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES`, 24.`BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED`, 25.`BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLE`, 26.`BnSurfaceComposer::GET_PROTECTED_CONTENT_SUPPORT`, 27.`BnSurfaceComposer::IS_WIDE_COLOR_DISPLAY`, 28.`BnSurfaceComposer::GET_DISPLAY_NATIVE_PRIMARIES`, 29.`BnSurfaceComposer::GET_PHYSICAL_DISPLAY_IDS`, 30.`BnSurfaceComposer::ADD_REGION_SAMPLING_LISTENER`, 31.`BnSurfaceComposer::REMOVE_REGION_SAMPLING_LISTENER`, 32.`BnSurfaceComposer::SET_DESIRED_DISPLAY_MODE_SPECS`, 33.`BnSurfaceComposer::GET_DESIRED_DISPLAY_MODE_SPECS`, 34.`BnSurfaceComposer::GET_DISPLAY_BRIGHTNESS_SUPPORT`, 35.`BnSurfaceComposer::SET_DISPLAY_BRIGHTNESS`, 36.`BnSurfaceComposer::CAPTURE_DISPLAY_BY_ID`, 37.`BnSurfaceComposer::NOTIFY_POWER_BOOST`, 38.`BnSurfaceComposer::SET_GLOBAL_SHADOW_SETTINGS`, 39.`BnSurfaceComposer::SET_AUTO_LOW_LATENCY_MODE`, 40.`BnSurfaceComposer::SET_GAME_CONTENT_TYPE`, 41.`BnSurfaceComposer::SET_FRAME_RATE`, 42.`BnSurfaceComposer::ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN`, 43.`BnSurfaceComposer::SET_FRAME_TIMELINE_INFO`, 44.`BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER`, 45.`BnSurfaceComposer::GET_GPU_CONTEXT_PRIORITY`, 46.`BnSurfaceComposer::GET_MAX_ACQUIRED_BUFFER_COUNT`, 47.`BnSurfaceComposer::GET_DYNAMIC_DISPLAY_INFO`, 48.`BnSurfaceComposer::ADD_FPS_LISTENER`, 49.`BnSurfaceComposer::REMOVE_FPS_LISTENER`, 50.`BnSurfaceComposer::OVERRIDE_HDR_TYPES`, 51.`BnSurfaceComposer::ADD_HDR_LAYER_INFO_LISTENER`, 52.`BnSurfaceComposer::REMOVE_HDR_LAYER_INFO_LISTENER`, 53.`BnSurfaceComposer::ON_PULL_ATOM`, 54.`BnSurfaceComposer::ADD_TUNNEL_MODE_ENABLED_LISTENER`, 55.`BnSurfaceComposer::REMOVE_TUNNEL_MODE_ENABLED_LISTENER` | Value obtained from FuzzedDataProvider|
+|`boostId`| 0.`hardware::power::Boost::INTERACTION`, 1.`hardware::power::Boost::DISPLAY_UPDATE_IMMINENT`, 2.`hardware::power::Boost::ML_ACC`, 3.`hardware::power::Boost::AUDIO_LAUNCH`, 4.`hardware::power::Boost::CAMERA_LAUNCH`, 5.`hardware::power::Boost::CAMERA_SHOT` |Value obtained from FuzzedDataProvider|
+|`vsyncSource`| 0.`ISurfaceComposer::eVsyncSourceApp`, 1.`ISurfaceComposer::eVsyncSourceSurfaceFlinger`, |Value obtained from FuzzedDataProvider|
+|`eventRegistration`| 0.`ISurfaceComposer::EventRegistration::modeChanged`, 1.`ISurfaceComposer::EventRegistration::frameRateOverride` |Value obtained from FuzzedDataProvider|
+|`frameRateCompatibility`| 0.`ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT`, 1.`ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE` |Value obtained from FuzzedDataProvider|
+|`changeFrameRateStrategy`| 0.`ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS`, 1.`ANATIVEWINDOW_CHANGE_FRAME_RATE_ALWAYS` |Value obtained from FuzzedDataProvider|
+|`hdrTypes`| 0.`ui::Hdr::DOLBY_VISION`, 1.`ui::Hdr::HDR10`, 2.`ui::Hdr::HLG`, 3.`ui::Hdr::HDR10_PLUS` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_surfaceComposer_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_surfaceComposer_fuzzer/libgui_surfaceComposer_fuzzer
+```
+
+# <a name="libgui_surfaceComposerClient_fuzzer"></a> Fuzzer for SurfaceComposerClient
+
+SurfaceComposerClient supports the following data sources:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`outLayerId`)
+7. SurfaceComposerClientTags (parameter name:`surfaceTag`)
+8. DefaultMode (parameter name:`defaultMode`)
+9. PrimaryRefreshRateMin (parameter name:`primaryRefreshRateMin`)
+10. PrimaryRefreshRateMax (parameter name:`primaryRefreshRateMax`)
+11. AppRefreshRateMin (parameter name:`appRefreshRateMin`)
+12. AppRefreshRateMax (parameter name:`appRefreshRateMax`)
+13. DisplayPowerMode (parameter name:`mode`)
+14. CacheId (parameter name:`cacheId`)
+15. DisplayBrightness (parameter name:`brightness`)
+16. PowerBoostID (parameter name:`boostId`)
+17. AtomId (parameter name:`atomId`)
+18. ComponentMask (parameter name:`componentMask`)
+19. MaxFrames (parameter name:`maxFrames`)
+20. TaskId (parameter name:`taskId`)
+21. Alpha (parameter name:`aplha`)
+22. CornerRadius (parameter name:`cornerRadius`)
+23. BackgroundBlurRadius (parameter name:`backgroundBlurRadius`)
+24. Half3Color (parameter name:`color`)
+25. LayerStack (parameter name:`layerStack`)
+26. Dataspace (parameter name:`dataspace`)
+27. Api (parameter name:`api`)
+28. Priority (parameter name:`priority`)
+29. TouchableRegionPointX (parameter name:`pointX`)
+30. TouchableRegionPointY (parameter name:`pointY`)
+31. ColorMode (parameter name:`colorMode`)
+32. WindowInfoFlags (parameter name:`flags`)
+33. WindowInfoTransformOrientation (parameter name:`transform`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`surfaceTag`| 0.`Tag::CREATE_SURFACE`, 1.`Tag::CREATE_WITH_SURFACE_PARENT`, 2.`Tag::CLEAR_LAYER_FRAME_STATS`, 3.`Tag::GET_LAYER_FRAME_STATS`, 4.`Tag::MIRROR_SURFACE`, 5.`Tag::LAST` |Value obtained from FuzzedDataProvider|
+|`mode`| 0.`gui::TouchOcclusionMode::BLOCK_UNTRUSTED`, 1.`gui::TouchOcclusionMode::USE_OPACITY`, 2.`gui::TouchOcclusionMode::ALLOW` |Value obtained from FuzzedDataProvider|
+|`boostId`| 0.`hardware::power::Boost::INTERACTION`, 1.`hardware::power::Boost::DISPLAY_UPDATE_IMMINENT`, 2.`hardware::power::Boost::ML_ACC`, 3.`hardware::power::Boost::AUDIO_LAUNCH`, 4.`hardware::power::Boost::CAMERA_LAUNCH`, 5.`hardware::power::Boost::CAMERA_SHOT` |Value obtained from FuzzedDataProvider|
+|`colorMode`|0.`ui::ColorMode::NATIVE`, 1.`ui::ColorMode::STANDARD_BT601_625`, 2.`ui::ColorMode::STANDARD_BT601_625_UNADJUSTED`, 3.`ui::ColorMode::STANDARD_BT601_525`, 4.`ui::ColorMode::STANDARD_BT601_525_UNADJUSTED`, 5.`ui::ColorMode::STANDARD_BT709`, 6.`ui::ColorMode::DCI_P3`, 7.`ui::ColorMode::SRGB`, 8.`ui::ColorMode::ADOBE_RGB`, 9.`ui::ColorMode::DISPLAY_P3`, 10.`ui::ColorMode::BT2020`, 11.`ui::ColorMode::BT2100_PQ`, 12.`ui::ColorMode::BT2100_HLG`, 13.`ui::ColorMode::DISPLAY_BT2020` |Value obtained from FuzzedDataProvider|
+|`flags`|0 .`gui::WindowInfo::Flag::ALLOW_LOCK_WHILE_SCREEN_ON`, 1.`gui::WindowInfo::Flag::DIM_BEHIND`, 2.`gui::WindowInfo::Flag::BLUR_BEHIND`, 3.`gui::WindowInfo::Flag::NOT_FOCUSABLE`, 4.`gui::WindowInfo::Flag::NOT_TOUCHABLE`, 5.`gui::WindowInfo::Flag::NOT_TOUCH_MODAL`, 6.`gui::WindowInfo::Flag::TOUCHABLE_WHEN_WAKING`, 7.`gui::WindowInfo::Flag::KEEP_SCREEN_ON`, 8.`gui::WindowInfo::Flag::LAYOUT_IN_SCREEN`, 9.`gui::WindowInfo::Flag::LAYOUT_NO_LIMITS`, 10.`gui::WindowInfo::Flag::FULLSCREEN`, 11.`gui::WindowInfo::Flag::FORCE_NOT_FULLSCREEN`, 12.`gui::WindowInfo::Flag::DITHER`, 13.`gui::WindowInfo::Flag::SECURE`, 14.`gui::WindowInfo::Flag::SCALED`, 15.`gui::WindowInfo::Flag::IGNORE_CHEEK_PRESSES`, 16.`gui::WindowInfo::Flag::LAYOUT_INSET_DECOR`, 17.`gui::WindowInfo::Flag::ALT_FOCUSABLE_IM`, 18.`gui::WindowInfo::Flag::WATCH_OUTSIDE_TOUCH`, 19.`gui::WindowInfo::Flag::SHOW_WHEN_LOCKED`, 20.`gui::WindowInfo::Flag::SHOW_WALLPAPER`, 21.`gui::WindowInfo::Flag::TURN_SCREEN_ON`, 22.`gui::WindowInfo::Flag::DISMISS_KEYGUARD`, 23.`gui::WindowInfo::Flag::SPLIT_TOUCH`, 24.`gui::WindowInfo::Flag::HARDWARE_ACCELERATED`, 25.`gui::WindowInfo::Flag::LAYOUT_IN_OVERSCAN`, 26.`gui::WindowInfo::Flag::TRANSLUCENT_STATUS`, 27.`gui::WindowInfo::Flag::TRANSLUCENT_NAVIGATION`, 28.`gui::WindowInfo::Flag::LOCAL_FOCUS_MODE`, 29.`gui::WindowInfo::Flag::SLIPPERY`, 30.`gui::WindowInfo::Flag::LAYOUT_ATTACHED_IN_DECOR`, 31.`gui::WindowInfo::Flag::DRAWS_SYSTEM_BAR_BACKGROUNDS`, |Value obtained from FuzzedDataProvider|
+|`dataspace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+|`transform`| 0.`ui::Transform::ROT_0`, 1.`ui::Transform::FLIP_H`, 2.`ui::Transform::FLIP_V`, 3.`ui::Transform::ROT_90`, 4.`ui::Transform::ROT_180`, 5.`ui::Transform::ROT_270` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_surfaceComposerClient_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_surfaceComposerClient_fuzzer/libgui_surfaceComposerClient_fuzzer
+```
+
+# <a name="libgui_parcelable_fuzzer"></a> Fuzzer for Libgui_Parcelable
+
+Libgui_Parcelable supports the following parameters:
+1. LayerMetadataKey (parameter name:`key`)
+2. Dataspace (parameter name:`mDataspace`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`key`| 0.`view::LayerMetadataKey::METADATA_OWNER_UID`, 1.`view::LayerMetadataKey::METADATA_WINDOW_TYPE`, 2.`view::LayerMetadataKey::METADATA_TASK_ID`, 3.`view::LayerMetadataKey::METADATA_MOUSE_CURSOR`, 4.`view::LayerMetadataKey::METADATA_ACCESSIBILITY_ID`, 5.`view::LayerMetadataKey::METADATA_OWNER_PID`, 6.`view::LayerMetadataKey::METADATA_DEQUEUE_TIME`, 7.`view::LayerMetadataKey::METADATA_GAME_MODE`, |Value obtained from FuzzedDataProvider|
+|`mDataSpace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_fuzzer/libgui_fuzzer
+```
+
+# <a name="libgui_bufferQueue_fuzzer"></a> Fuzzer for BufferQueue
+
+BufferQueue supports the following parameters:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`layerId`)
+7. BufferId (parameter name:`bufferId`)
+8. FrameNumber (parameter name:`frameNumber`)
+9. FrameRate (parameter name:`frameRate`)
+10. Compatability (parameter name:`compatability`)
+11. LatchTime (parameter name:`latchTime`)
+12. AcquireTime (parameter name:`acquireTime`)
+13. RefreshTime (parameter name:`refreshTime`)
+14. DequeueTime (parameter name:`dequeueTime`)
+15. Slot (parameter name:`slot`)
+16. MaxBuffers (parameter name:`maxBuffers`)
+17. GenerationNumber (parameter name:`generationNumber`)
+18. Api (parameter name:`api`)
+19. Usage (parameter name:`usage`)
+20. MaxFrameNumber (parameter name:`maxFrameNumber`)
+21. BufferCount (parameter name:`bufferCount`)
+22. MaxAcquredBufferCount (parameter name:`maxAcquredBufferCount`)
+23. Status (parameter name:`status`)
+24. ApiConnection (parameter name:`apiConnection`)
+25. Dataspace (parameter name:`dataspace`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`status`| 0.`OK`, 1.`NO_MEMORY`, 2.`NO_INIT`, 3.`BAD_VALUE`, 4.`DEAD_OBJECT`, 5.`INVALID_OPERATION`, 6.`TIMED_OUT`, 7.`WOULD_BLOCK`, 8.`UNKNOWN_ERROR`, 9.`ALREADY_EXISTS`, |Value obtained from FuzzedDataProvider|
+|`apiConnection`| 0.`BufferQueueCore::CURRENTLY_CONNECTED_API`, 1.`BufferQueueCore::NO_CONNECTED_API`, 2.`NATIVE_WINDOW_API_EGL`, 3.`NATIVE_WINDOW_API_CPU`, 4.`NATIVE_WINDOW_API_MEDIA`, 5.`NATIVE_WINDOW_API_CAMERA`, |Value obtained from FuzzedDataProvider|
+|`dataspace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_bufferQueue_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_bufferQueue_fuzzer/libgui_bufferQueue_fuzzer
+```
+
+# <a name="libgui_consumer_fuzzer"></a> Fuzzer for Libgui_Consumer
+
+Libgui_Consumer supports the following parameters:
+1. GraphicWidth (parameter name:`graphicWidth`)
+2. GraphicHeight (parameter name:`graphicHeight`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. GraphicPixelFormat (parameter name:`format`)
+6. Usage (parameter name:`usage`)
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_consumer_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_consumer_fuzzer/libgui_consumer_fuzzer
+```
+
+# <a name="libgui_displayEvent_fuzzer"></a> Fuzzer for LibGui_DisplayEvent
+
+LibGui_DisplayEvent supports the following parameters:
+1. DisplayEventType (parameter name:`type`)
+2. Events (parameter name:`events`)
+3. VsyncSource (parameter name:`vsyncSource`)
+4. EventRegistrationFlags (parameter name:`flags`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`vsyncSource`| 0.`ISurfaceComposer::eVsyncSourceApp`, 1.`ISurfaceComposer::eVsyncSourceSurfaceFlinger`, |Value obtained from FuzzedDataProvider|
+|`flags`| 0.`ISurfaceComposer::EventRegistration::modeChanged`, 1.`ISurfaceComposer::EventRegistration::frameRateOverride`, |Value obtained from FuzzedDataProvider|
+|`type`| 0.`DisplayEventReceiver::DISPLAY_EVENT_NULL`, 1.`DisplayEventReceiver::DISPLAY_EVENT_VSYNC`, 2.`DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG`, 3.`DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE`, 4.`DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE`, 5.`DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH`, |Value obtained from FuzzedDataProvider|
+|`events`| 0.`Looper::EVENT_INPUT`, 1.`Looper::EVENT_OUTPUT`, 2.`Looper::EVENT_ERROR`, 3.`Looper::EVENT_HANGUP`, 4.`Looper::EVENT_INVALID`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_displayEvent_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_displayEvent_fuzzer/libgui_displayEvent_fuzzer
+```
diff --git a/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp b/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp
new file mode 100644
index 0000000000..761f08feb6
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp
@@ -0,0 +1,392 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <android-base/stringprintf.h>
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/bufferqueue/2.0/types.h>
+#include <system/window.h>
+
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+using namespace hardware::graphics::bufferqueue;
+using namespace V1_0::utils;
+using namespace V2_0::utils;
+
+constexpr int32_t kMaxBytes = 256;
+
+constexpr int32_t kError[] = {
+        OK,        NO_MEMORY,   NO_INIT,       BAD_VALUE,      DEAD_OBJECT, INVALID_OPERATION,
+        TIMED_OUT, WOULD_BLOCK, UNKNOWN_ERROR, ALREADY_EXISTS,
+};
+
+constexpr int32_t kAPIConnection[] = {
+        BufferQueueCore::CURRENTLY_CONNECTED_API,
+        BufferQueueCore::NO_CONNECTED_API,
+        NATIVE_WINDOW_API_EGL,
+        NATIVE_WINDOW_API_CPU,
+        NATIVE_WINDOW_API_MEDIA,
+        NATIVE_WINDOW_API_CAMERA,
+};
+
+class BufferQueueFuzzer {
+public:
+    BufferQueueFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeTypes();
+    void invokeH2BGraphicBufferV1();
+    void invokeH2BGraphicBufferV2();
+    void invokeBufferQueueConsumer();
+    void invokeBufferQueueProducer();
+    void invokeBlastBufferQueue();
+    void invokeQuery(sp<BufferQueueProducer>);
+    void invokeQuery(sp<V1_0::utils::H2BGraphicBufferProducer>);
+    void invokeQuery(sp<V2_0::utils::H2BGraphicBufferProducer>);
+    void invokeAcquireBuffer(sp<BufferQueueConsumer>);
+    void invokeOccupancyTracker(sp<BufferQueueConsumer>);
+    sp<SurfaceControl> makeSurfaceControl();
+    sp<BLASTBufferQueue> makeBLASTBufferQueue(sp<SurfaceControl>);
+
+    FuzzedDataProvider mFdp;
+};
+
+class ManageResourceHandle {
+public:
+    ManageResourceHandle(FuzzedDataProvider* fdp) {
+        mNativeHandle = native_handle_create(0 /*numFds*/, 1 /*numInts*/);
+        mShouldOwn = fdp->ConsumeBool();
+        mStream = NativeHandle::create(mNativeHandle, mShouldOwn);
+    }
+    ~ManageResourceHandle() {
+        if (!mShouldOwn) {
+            native_handle_close(mNativeHandle);
+            native_handle_delete(mNativeHandle);
+        }
+    }
+    sp<NativeHandle> getStream() { return mStream; }
+
+private:
+    bool mShouldOwn;
+    sp<NativeHandle> mStream;
+    native_handle_t* mNativeHandle;
+};
+
+sp<SurfaceControl> BufferQueueFuzzer::makeSurfaceControl() {
+    sp<IBinder> handle;
+    const sp<FakeBnSurfaceComposerClient> testClient(new FakeBnSurfaceComposerClient());
+    sp<SurfaceComposerClient> client = new SurfaceComposerClient(testClient);
+    sp<BnGraphicBufferProducer> producer;
+    uint32_t layerId = mFdp.ConsumeIntegral<uint32_t>();
+    std::string layerName = base::StringPrintf("#%d", layerId);
+    return sp<SurfaceControl>::make(client, handle, layerId, layerName,
+                                    mFdp.ConsumeIntegral<int32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>(),
+                                    mFdp.ConsumeIntegral<int32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>());
+}
+
+sp<BLASTBufferQueue> BufferQueueFuzzer::makeBLASTBufferQueue(sp<SurfaceControl> surface) {
+    return sp<BLASTBufferQueue>::make(mFdp.ConsumeRandomLengthString(kMaxBytes), surface,
+                                      mFdp.ConsumeIntegral<uint32_t>(),
+                                      mFdp.ConsumeIntegral<uint32_t>(),
+                                      mFdp.ConsumeIntegral<int32_t>());
+}
+
+void BufferQueueFuzzer::invokeBlastBufferQueue() {
+    sp<SurfaceControl> surface = makeSurfaceControl();
+    sp<BLASTBufferQueue> queue = makeBLASTBufferQueue(surface);
+
+    BufferItem item;
+    queue->onFrameAvailable(item);
+    queue->onFrameReplaced(item);
+    uint64_t bufferId = mFdp.ConsumeIntegral<uint64_t>();
+    queue->onFrameDequeued(bufferId);
+    queue->onFrameCancelled(bufferId);
+
+    SurfaceComposerClient::Transaction next;
+    uint64_t frameNumber = mFdp.ConsumeIntegral<uint64_t>();
+    queue->mergeWithNextTransaction(&next, frameNumber);
+    queue->applyPendingTransactions(frameNumber);
+
+    queue->update(surface, mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                  mFdp.ConsumeIntegral<int32_t>());
+    queue->setFrameRate(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeIntegral<int8_t>(),
+                        mFdp.ConsumeBool() /*shouldBeSeamless*/);
+    FrameTimelineInfo info;
+    queue->setFrameTimelineInfo(info);
+
+    ManageResourceHandle handle(&mFdp);
+    queue->setSidebandStream(handle.getStream());
+
+    queue->getLastTransformHint();
+    queue->getLastAcquiredFrameNum();
+
+    CompositorTiming compTiming;
+    sp<Fence> previousFence = new Fence(memfd_create("pfd", MFD_ALLOW_SEALING));
+    sp<Fence> gpuFence = new Fence(memfd_create("gfd", MFD_ALLOW_SEALING));
+    FrameEventHistoryStats frameStats(frameNumber, gpuFence, compTiming,
+                                      mFdp.ConsumeIntegral<int64_t>(),
+                                      mFdp.ConsumeIntegral<int64_t>());
+    std::vector<SurfaceControlStats> stats;
+    sp<Fence> presentFence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    SurfaceControlStats controlStats(surface, mFdp.ConsumeIntegral<int64_t>(),
+                                     mFdp.ConsumeIntegral<int64_t>(), presentFence, previousFence,
+                                     mFdp.ConsumeIntegral<uint32_t>(), frameStats,
+                                     mFdp.ConsumeIntegral<uint32_t>());
+    stats.push_back(controlStats);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<BufferQueueProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<V1_0::utils::H2BGraphicBufferProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<V2_0::utils::H2BGraphicBufferProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeBufferQueueProducer() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<BufferQueueProducer> producer(new BufferQueueProducer(core));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t maxBuffers = mFdp.ConsumeIntegral<uint32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(maxBuffers);
+    producer->setAsyncMode(mFdp.ConsumeBool() /*async*/);
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->detachNextBuffer(&buffer, &fence);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+    producer->setLegacyBufferDrop(mFdp.ConsumeBool() /*drop*/);
+    producer->setAutoPrerotation(mFdp.ConsumeBool() /*autoPrerotation*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::invokeAcquireBuffer(sp<BufferQueueConsumer> consumer) {
+    BufferItem item;
+    consumer->acquireBuffer(&item, mFdp.ConsumeIntegral<uint32_t>(),
+                            mFdp.ConsumeIntegral<uint64_t>());
+}
+
+void BufferQueueFuzzer::invokeOccupancyTracker(sp<BufferQueueConsumer> consumer) {
+    String8 outResult;
+    String8 prefix((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    consumer->dumpState(prefix, &outResult);
+
+    std::vector<OccupancyTracker::Segment> outHistory;
+    consumer->getOccupancyHistory(mFdp.ConsumeBool() /*forceFlush*/, &outHistory);
+}
+
+void BufferQueueFuzzer::invokeBufferQueueConsumer() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<BufferQueueConsumer> consumer(new BufferQueueConsumer(core));
+    sp<android::IConsumerListener> listener;
+    consumer->consumerConnect(listener, mFdp.ConsumeBool() /*controlledByApp*/);
+    invokeAcquireBuffer(consumer);
+
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    sp<GraphicBuffer> buffer =
+            new GraphicBuffer(mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint64_t>());
+    consumer->attachBuffer(&slot, buffer);
+    consumer->detachBuffer(slot);
+
+    consumer->setDefaultBufferSize(mFdp.ConsumeIntegral<uint32_t>(),
+                                   mFdp.ConsumeIntegral<uint32_t>());
+    consumer->setMaxBufferCount(mFdp.ConsumeIntegral<int32_t>());
+    consumer->setMaxAcquiredBufferCount(mFdp.ConsumeIntegral<int32_t>());
+
+    String8 name((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    consumer->setConsumerName(name);
+    consumer->setDefaultBufferFormat(mFdp.ConsumeIntegral<int32_t>());
+    android_dataspace dataspace =
+            static_cast<android_dataspace>(mFdp.PickValueInArray(kDataspaces));
+    consumer->setDefaultBufferDataSpace(dataspace);
+
+    consumer->setTransformHint(mFdp.ConsumeIntegral<uint32_t>());
+    consumer->setConsumerUsageBits(mFdp.ConsumeIntegral<uint64_t>());
+    consumer->setConsumerIsProtected(mFdp.ConsumeBool() /*isProtected*/);
+    invokeOccupancyTracker(consumer);
+
+    sp<Fence> releaseFence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    consumer->releaseBuffer(mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint64_t>(),
+                            EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
+    consumer->consumerDisconnect();
+}
+
+void BufferQueueFuzzer::invokeTypes() {
+    HStatus hStatus;
+    int32_t status = mFdp.PickValueInArray(kError);
+    bool bufferNeedsReallocation = mFdp.ConsumeBool();
+    bool releaseAllBuffers = mFdp.ConsumeBool();
+    b2h(status, &hStatus, &bufferNeedsReallocation, &releaseAllBuffers);
+    h2b(hStatus, &status);
+
+    HConnectionType type;
+    int32_t apiConnection = mFdp.PickValueInArray(kAPIConnection);
+    b2h(apiConnection, &type);
+    h2b(type, &apiConnection);
+}
+
+void BufferQueueFuzzer::invokeH2BGraphicBufferV1() {
+    sp<V1_0::utils::H2BGraphicBufferProducer> producer(
+            new V1_0::utils::H2BGraphicBufferProducer(new FakeGraphicBufferProducerV1()));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(mFdp.ConsumeIntegral<int32_t>());
+    producer->setAsyncMode(mFdp.ConsumeBool());
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    input.fence = new Fence(memfd_create("ffd", MFD_ALLOW_SEALING));
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::invokeH2BGraphicBufferV2() {
+    sp<V2_0::utils::H2BGraphicBufferProducer> producer(
+            new V2_0::utils::H2BGraphicBufferProducer(new FakeGraphicBufferProducerV2()));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setAsyncMode(mFdp.ConsumeBool());
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    input.fence = new Fence(memfd_create("ffd", MFD_ALLOW_SEALING));
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::process() {
+    invokeBlastBufferQueue();
+    invokeH2BGraphicBufferV1();
+    invokeH2BGraphicBufferV2();
+    invokeTypes();
+    invokeBufferQueueConsumer();
+    invokeBufferQueueProducer();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    BufferQueueFuzzer bufferQueueFuzzer(data, size);
+    bufferQueueFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp b/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp
new file mode 100644
index 0000000000..24a046d3a9
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/GLConsumer.h>
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+constexpr int32_t kMinBuffer = 0;
+constexpr int32_t kMaxBuffer = 100000;
+
+class ConsumerFuzzer {
+public:
+    ConsumerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    FuzzedDataProvider mFdp;
+};
+
+void ConsumerFuzzer::process() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
+
+    uint64_t maxBuffers = mFdp.ConsumeIntegralInRange<uint64_t>(kMinBuffer, kMaxBuffer);
+    sp<CpuConsumer> cpu(
+            new CpuConsumer(consumer, maxBuffers, mFdp.ConsumeBool() /*controlledByApp*/));
+    CpuConsumer::LockedBuffer lockBuffer;
+    cpu->lockNextBuffer(&lockBuffer);
+    cpu->unlockBuffer(lockBuffer);
+    cpu->abandon();
+
+    uint32_t tex = mFdp.ConsumeIntegral<uint32_t>();
+    sp<GLConsumer> glComsumer(new GLConsumer(consumer, tex, GLConsumer::TEXTURE_EXTERNAL,
+                                             mFdp.ConsumeBool() /*useFenceSync*/,
+                                             mFdp.ConsumeBool() /*isControlledByApp*/));
+    sp<Fence> releaseFence = new Fence(memfd_create("rfd", MFD_ALLOW_SEALING));
+    glComsumer->setReleaseFence(releaseFence);
+    glComsumer->updateTexImage();
+    glComsumer->releaseTexImage();
+
+    sp<GraphicBuffer> buffer =
+            new GraphicBuffer(mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint64_t>());
+    float mtx[16];
+    glComsumer->getTransformMatrix(mtx);
+    glComsumer->computeTransformMatrix(mtx, buffer, getRect(&mFdp),
+                                       mFdp.ConsumeIntegral<uint32_t>(),
+                                       mFdp.ConsumeBool() /*filtering*/);
+    glComsumer->scaleDownCrop(getRect(&mFdp), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint32_t>());
+
+    glComsumer->setDefaultBufferSize(mFdp.ConsumeIntegral<uint32_t>(),
+                                     mFdp.ConsumeIntegral<uint32_t>());
+    glComsumer->setFilteringEnabled(mFdp.ConsumeBool() /*enabled*/);
+
+    glComsumer->setConsumerUsageBits(mFdp.ConsumeIntegral<uint64_t>());
+    glComsumer->attachToContext(tex);
+    glComsumer->abandon();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    ConsumerFuzzer consumerFuzzer(data, size);
+    consumerFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp b/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp
new file mode 100644
index 0000000000..6d5ae49635
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android/gui/ISurfaceComposer.h>
+
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+constexpr gui::ISurfaceComposer::VsyncSource kVsyncSource[] = {
+        gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+        gui::ISurfaceComposer::VsyncSource::eVsyncSourceSurfaceFlinger,
+};
+
+constexpr gui::ISurfaceComposer::EventRegistration kEventRegistration[] = {
+        gui::ISurfaceComposer::EventRegistration::modeChanged,
+        gui::ISurfaceComposer::EventRegistration::frameRateOverride,
+};
+
+constexpr uint32_t kDisplayEvent[] = {
+        DisplayEventReceiver::DISPLAY_EVENT_NULL,
+        DisplayEventReceiver::DISPLAY_EVENT_VSYNC,
+        DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG,
+        DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE,
+        DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE,
+        DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH,
+};
+
+constexpr int32_t kEvents[] = {
+        Looper::EVENT_INPUT,  Looper::EVENT_OUTPUT,  Looper::EVENT_ERROR,
+        Looper::EVENT_HANGUP, Looper::EVENT_INVALID,
+};
+
+DisplayEventReceiver::Event buildDisplayEvent(FuzzedDataProvider* fdp, uint32_t type,
+                                              DisplayEventReceiver::Event event) {
+    switch (type) {
+        case DisplayEventReceiver::DISPLAY_EVENT_VSYNC: {
+            event.vsync.count = fdp->ConsumeIntegral<uint32_t>();
+            event.vsync.vsyncData.frameInterval = fdp->ConsumeIntegral<uint64_t>();
+            event.vsync.vsyncData.preferredFrameTimelineIndex = fdp->ConsumeIntegral<uint32_t>();
+            for (size_t idx = 0; idx < gui::VsyncEventData::kFrameTimelinesLength; ++idx) {
+                event.vsync.vsyncData.frameTimelines[idx].vsyncId = fdp->ConsumeIntegral<int64_t>();
+                event.vsync.vsyncData.frameTimelines[idx].deadlineTimestamp =
+                        fdp->ConsumeIntegral<uint64_t>();
+                event.vsync.vsyncData.frameTimelines[idx].expectedPresentationTime =
+                        fdp->ConsumeIntegral<uint64_t>();
+            }
+            break;
+
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG: {
+            event.hotplug = DisplayEventReceiver::Event::Hotplug{fdp->ConsumeBool() /*connected*/};
+            break;
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE: {
+            event.modeChange =
+                    DisplayEventReceiver::Event::ModeChange{fdp->ConsumeIntegral<int32_t>(),
+                                                            fdp->ConsumeIntegral<int64_t>()};
+            break;
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE:
+        case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH: {
+            event.frameRateOverride =
+                    DisplayEventReceiver::Event::FrameRateOverride{fdp->ConsumeIntegral<uint32_t>(),
+                                                                   fdp->ConsumeFloatingPoint<
+                                                                           float>()};
+            break;
+        }
+    }
+    return event;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+    sp<Looper> looper;
+    sp<FakeDisplayEventDispatcher> dispatcher(
+            new FakeDisplayEventDispatcher(looper, fdp.PickValueInArray(kVsyncSource),
+                                           fdp.PickValueInArray(kEventRegistration)));
+
+    dispatcher->initialize();
+    DisplayEventReceiver::Event event;
+    uint32_t type = fdp.PickValueInArray(kDisplayEvent);
+    PhysicalDisplayId displayId;
+    event.header =
+            DisplayEventReceiver::Event::Header{type, displayId, fdp.ConsumeIntegral<int64_t>()};
+    event = buildDisplayEvent(&fdp, type, event);
+
+    dispatcher->injectEvent(event);
+    dispatcher->handleEvent(0, fdp.PickValueInArray(kEvents), nullptr);
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_fuzzer_utils.h b/libs/gui/fuzzer/libgui_fuzzer_utils.h
new file mode 100644
index 0000000000..8810e4e83a
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_fuzzer_utils.h
@@ -0,0 +1,310 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <android/gui/BnRegionSamplingListener.h>
+#include <android/gui/BnSurfaceComposer.h>
+#include <android/gui/BnSurfaceComposerClient.h>
+#include <android/gui/IDisplayEventConnection.h>
+#include <android/gui/ISurfaceComposerClient.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <gmock/gmock.h>
+#include <gui/BLASTBufferQueue.h>
+#include <gui/DisplayEventDispatcher.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/LayerDebugInfo.h>
+#include <gui/LayerState.h>
+#include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h>
+#include <gui/bufferqueue/2.0/H2BGraphicBufferProducer.h>
+#include <ui/fuzzer/FuzzableDataspaces.h>
+
+namespace android {
+
+constexpr uint32_t kOrientation[] = {
+        ui::Transform::ROT_0,  ui::Transform::FLIP_H,  ui::Transform::FLIP_V,
+        ui::Transform::ROT_90, ui::Transform::ROT_180, ui::Transform::ROT_270,
+};
+
+Rect getRect(FuzzedDataProvider* fdp) {
+    const int32_t left = fdp->ConsumeIntegral<int32_t>();
+    const int32_t top = fdp->ConsumeIntegral<int32_t>();
+    const int32_t right = fdp->ConsumeIntegral<int32_t>();
+    const int32_t bottom = fdp->ConsumeIntegral<int32_t>();
+    return Rect(left, top, right, bottom);
+}
+
+gui::DisplayBrightness getBrightness(FuzzedDataProvider* fdp) {
+    static constexpr float kMinBrightness = 0;
+    static constexpr float kMaxBrightness = 1;
+    gui::DisplayBrightness brightness;
+    brightness.sdrWhitePoint =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.sdrWhitePointNits =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.displayBrightness =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.displayBrightnessNits =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    return brightness;
+}
+
+class FakeBnSurfaceComposer : public gui::BnSurfaceComposer {
+public:
+    MOCK_METHOD(binder::Status, bootFinished, (), (override));
+    MOCK_METHOD(binder::Status, createDisplayEventConnection,
+                (gui::ISurfaceComposer::VsyncSource, gui::ISurfaceComposer::EventRegistration,
+                 sp<gui::IDisplayEventConnection>*),
+                (override));
+    MOCK_METHOD(binder::Status, createConnection, (sp<gui::ISurfaceComposerClient>*), (override));
+    MOCK_METHOD(binder::Status, createDisplay, (const std::string&, bool, sp<IBinder>*),
+                (override));
+    MOCK_METHOD(binder::Status, destroyDisplay, (const sp<IBinder>&), (override));
+    MOCK_METHOD(binder::Status, getPhysicalDisplayIds, (std::vector<int64_t>*), (override));
+    MOCK_METHOD(binder::Status, getPhysicalDisplayToken, (int64_t, sp<IBinder>*), (override));
+    MOCK_METHOD(binder::Status, setPowerMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, getSupportedFrameTimestamps, (std::vector<FrameEvent>*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayStats, (const sp<IBinder>&, gui::DisplayStatInfo*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayState, (const sp<IBinder>&, gui::DisplayState*),
+                (override));
+    MOCK_METHOD(binder::Status, getStaticDisplayInfo, (int64_t, gui::StaticDisplayInfo*),
+                (override));
+    MOCK_METHOD(binder::Status, getDynamicDisplayInfoFromId, (int64_t, gui::DynamicDisplayInfo*),
+                (override));
+    MOCK_METHOD(binder::Status, getDynamicDisplayInfoFromToken,
+                (const sp<IBinder>&, gui::DynamicDisplayInfo*), (override));
+    MOCK_METHOD(binder::Status, getDisplayNativePrimaries,
+                (const sp<IBinder>&, gui::DisplayPrimaries*), (override));
+    MOCK_METHOD(binder::Status, setActiveColorMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, setBootDisplayMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, clearBootDisplayMode, (const sp<IBinder>&), (override));
+    MOCK_METHOD(binder::Status, getBootDisplayModeSupport, (bool*), (override));
+    MOCK_METHOD(binder::Status, setAutoLowLatencyMode, (const sp<IBinder>&, bool), (override));
+    MOCK_METHOD(binder::Status, setGameContentType, (const sp<IBinder>&, bool), (override));
+    MOCK_METHOD(binder::Status, captureDisplay,
+                (const DisplayCaptureArgs&, const sp<IScreenCaptureListener>&), (override));
+    MOCK_METHOD(binder::Status, captureDisplayById, (int64_t, const sp<IScreenCaptureListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, captureLayers,
+                (const LayerCaptureArgs&, const sp<IScreenCaptureListener>&), (override));
+    MOCK_METHOD(binder::Status, clearAnimationFrameStats, (), (override));
+    MOCK_METHOD(binder::Status, getAnimationFrameStats, (gui::FrameStats*), (override));
+    MOCK_METHOD(binder::Status, overrideHdrTypes, (const sp<IBinder>&, const std::vector<int32_t>&),
+                (override));
+    MOCK_METHOD(binder::Status, onPullAtom, (int32_t, gui::PullAtomData*), (override));
+    MOCK_METHOD(binder::Status, getLayerDebugInfo, (std::vector<gui::LayerDebugInfo>*), (override));
+    MOCK_METHOD(binder::Status, getColorManagement, (bool*), (override));
+    MOCK_METHOD(binder::Status, getCompositionPreference, (gui::CompositionPreference*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayedContentSamplingAttributes,
+                (const sp<IBinder>&, gui::ContentSamplingAttributes*), (override));
+    MOCK_METHOD(binder::Status, setDisplayContentSamplingEnabled,
+                (const sp<IBinder>&, bool, int8_t, int64_t), (override));
+    MOCK_METHOD(binder::Status, getDisplayedContentSample,
+                (const sp<IBinder>&, int64_t, int64_t, gui::DisplayedFrameStats*), (override));
+    MOCK_METHOD(binder::Status, getProtectedContentSupport, (bool*), (override));
+    MOCK_METHOD(binder::Status, isWideColorDisplay, (const sp<IBinder>&, bool*), (override));
+    MOCK_METHOD(binder::Status, addRegionSamplingListener,
+                (const gui::ARect&, const sp<IBinder>&, const sp<gui::IRegionSamplingListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeRegionSamplingListener,
+                (const sp<gui::IRegionSamplingListener>&), (override));
+    MOCK_METHOD(binder::Status, addFpsListener, (int32_t, const sp<gui::IFpsListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeFpsListener, (const sp<gui::IFpsListener>&), (override));
+    MOCK_METHOD(binder::Status, addTunnelModeEnabledListener,
+                (const sp<gui::ITunnelModeEnabledListener>&), (override));
+    MOCK_METHOD(binder::Status, removeTunnelModeEnabledListener,
+                (const sp<gui::ITunnelModeEnabledListener>&), (override));
+    MOCK_METHOD(binder::Status, setDesiredDisplayModeSpecs,
+                (const sp<IBinder>&, const gui::DisplayModeSpecs&), (override));
+    MOCK_METHOD(binder::Status, getDesiredDisplayModeSpecs,
+                (const sp<IBinder>&, gui::DisplayModeSpecs*), (override));
+    MOCK_METHOD(binder::Status, getDisplayBrightnessSupport, (const sp<IBinder>&, bool*),
+                (override));
+    MOCK_METHOD(binder::Status, setDisplayBrightness,
+                (const sp<IBinder>&, const gui::DisplayBrightness&), (override));
+    MOCK_METHOD(binder::Status, addHdrLayerInfoListener,
+                (const sp<IBinder>&, const sp<gui::IHdrLayerInfoListener>&), (override));
+    MOCK_METHOD(binder::Status, removeHdrLayerInfoListener,
+                (const sp<IBinder>&, const sp<gui::IHdrLayerInfoListener>&), (override));
+    MOCK_METHOD(binder::Status, notifyPowerBoost, (int), (override));
+    MOCK_METHOD(binder::Status, setGlobalShadowSettings,
+                (const gui::Color&, const gui::Color&, float, float, float), (override));
+    MOCK_METHOD(binder::Status, getDisplayDecorationSupport,
+                (const sp<IBinder>&, std::optional<gui::DisplayDecorationSupport>*), (override));
+    MOCK_METHOD(binder::Status, setOverrideFrameRate, (int32_t, float), (override));
+    MOCK_METHOD(binder::Status, getGpuContextPriority, (int32_t*), (override));
+    MOCK_METHOD(binder::Status, getMaxAcquiredBufferCount, (int32_t*), (override));
+    MOCK_METHOD(binder::Status, addWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, getOverlaySupport, (gui::OverlayProperties*), (override));
+};
+
+class FakeBnSurfaceComposerClient : public gui::BnSurfaceComposerClient {
+public:
+    MOCK_METHOD(binder::Status, createSurface,
+                (const std::string& name, int32_t flags, const sp<IBinder>& parent,
+                 const gui::LayerMetadata& metadata, gui::CreateSurfaceResult* outResult),
+                (override));
+
+    MOCK_METHOD(binder::Status, clearLayerFrameStats, (const sp<IBinder>& handle), (override));
+
+    MOCK_METHOD(binder::Status, getLayerFrameStats,
+                (const sp<IBinder>& handle, gui::FrameStats* outStats), (override));
+
+    MOCK_METHOD(binder::Status, mirrorSurface,
+                (const sp<IBinder>& mirrorFromHandle, gui::CreateSurfaceResult* outResult),
+                (override));
+
+    MOCK_METHOD(binder::Status, mirrorDisplay,
+                (int64_t displayId, gui::CreateSurfaceResult* outResult), (override));
+};
+
+class FakeDisplayEventDispatcher : public DisplayEventDispatcher {
+public:
+    FakeDisplayEventDispatcher(const sp<Looper>& looper,
+                               gui::ISurfaceComposer::VsyncSource vsyncSource,
+                               gui::ISurfaceComposer::EventRegistration eventRegistration)
+          : DisplayEventDispatcher(looper, vsyncSource, eventRegistration){};
+
+    MOCK_METHOD4(dispatchVsync, void(nsecs_t, PhysicalDisplayId, uint32_t, VsyncEventData));
+    MOCK_METHOD3(dispatchHotplug, void(nsecs_t, PhysicalDisplayId, bool));
+    MOCK_METHOD4(dispatchModeChanged, void(nsecs_t, PhysicalDisplayId, int32_t, nsecs_t));
+    MOCK_METHOD2(dispatchNullEvent, void(nsecs_t, PhysicalDisplayId));
+    MOCK_METHOD3(dispatchFrameRateOverrides,
+                 void(nsecs_t, PhysicalDisplayId, std::vector<FrameRateOverride>));
+};
+
+} // namespace android
+
+namespace android::hardware {
+
+namespace graphics::bufferqueue::V1_0::utils {
+
+class FakeGraphicBufferProducerV1 : public HGraphicBufferProducer {
+public:
+    FakeGraphicBufferProducerV1() {
+        ON_CALL(*this, setMaxDequeuedBufferCount).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setAsyncMode).WillByDefault([]() { return 0; });
+        ON_CALL(*this, detachBuffer).WillByDefault([]() { return 0; });
+        ON_CALL(*this, cancelBuffer).WillByDefault([]() { return 0; });
+        ON_CALL(*this, disconnect).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setSidebandStream).WillByDefault([]() { return 0; });
+        ON_CALL(*this, allowAllocation).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setGenerationNumber).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setSharedBufferMode).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setAutoRefresh).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setDequeueTimeout).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setLegacyBufferDrop).WillByDefault([]() { return 0; });
+    };
+    MOCK_METHOD2(requestBuffer, Return<void>(int, requestBuffer_cb));
+    MOCK_METHOD1(setMaxDequeuedBufferCount, Return<int32_t>(int32_t));
+    MOCK_METHOD1(setAsyncMode, Return<int32_t>(bool));
+    MOCK_METHOD6(dequeueBuffer,
+                 Return<void>(uint32_t, uint32_t, graphics::common::V1_0::PixelFormat, uint32_t,
+                              bool, dequeueBuffer_cb));
+    MOCK_METHOD1(detachBuffer, Return<int32_t>(int));
+    MOCK_METHOD1(detachNextBuffer, Return<void>(detachNextBuffer_cb));
+    MOCK_METHOD2(attachBuffer, Return<void>(const media::V1_0::AnwBuffer&, attachBuffer_cb));
+    MOCK_METHOD3(
+            queueBuffer,
+            Return<void>(
+                    int,
+                    const graphics::bufferqueue::V1_0::IGraphicBufferProducer::QueueBufferInput&,
+                    queueBuffer_cb));
+    MOCK_METHOD2(cancelBuffer, Return<int32_t>(int, const hidl_handle&));
+    MOCK_METHOD2(query, Return<void>(int32_t, query_cb));
+    MOCK_METHOD4(connect,
+                 Return<void>(const sp<graphics::bufferqueue::V1_0::IProducerListener>&, int32_t,
+                              bool, connect_cb));
+    MOCK_METHOD2(disconnect,
+                 Return<int32_t>(
+                         int, graphics::bufferqueue::V1_0::IGraphicBufferProducer::DisconnectMode));
+    MOCK_METHOD1(setSidebandStream, Return<int32_t>(const hidl_handle&));
+    MOCK_METHOD4(allocateBuffers,
+                 Return<void>(uint32_t, uint32_t, graphics::common::V1_0::PixelFormat, uint32_t));
+    MOCK_METHOD1(allowAllocation, Return<int32_t>(bool));
+    MOCK_METHOD1(setGenerationNumber, Return<int32_t>(uint32_t));
+    MOCK_METHOD1(getConsumerName, Return<void>(getConsumerName_cb));
+    MOCK_METHOD1(setSharedBufferMode, Return<int32_t>(bool));
+    MOCK_METHOD1(setAutoRefresh, Return<int32_t>(bool));
+    MOCK_METHOD1(setDequeueTimeout, Return<int32_t>(nsecs_t));
+    MOCK_METHOD1(setLegacyBufferDrop, Return<int32_t>(bool));
+    MOCK_METHOD1(getLastQueuedBuffer, Return<void>(getLastQueuedBuffer_cb));
+    MOCK_METHOD1(getFrameTimestamps, Return<void>(getFrameTimestamps_cb));
+    MOCK_METHOD1(getUniqueId, Return<void>(getUniqueId_cb));
+};
+
+}; // namespace graphics::bufferqueue::V1_0::utils
+
+namespace graphics::bufferqueue::V2_0::utils {
+
+class FakeGraphicBufferProducerV2 : public HGraphicBufferProducer {
+public:
+    FakeGraphicBufferProducerV2() {
+        ON_CALL(*this, setMaxDequeuedBufferCount).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setAsyncMode).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, detachBuffer).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, cancelBuffer).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, disconnect).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, allocateBuffers).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, allowAllocation).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setGenerationNumber).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setDequeueTimeout).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, getUniqueId).WillByDefault([]() { return 0; });
+    };
+    MOCK_METHOD2(requestBuffer, Return<void>(int, requestBuffer_cb));
+    MOCK_METHOD1(setMaxDequeuedBufferCount, Return<graphics::bufferqueue::V2_0::Status>(int));
+    MOCK_METHOD1(setAsyncMode, Return<graphics::bufferqueue::V2_0::Status>(bool));
+    MOCK_METHOD2(
+            dequeueBuffer,
+            Return<void>(
+                    const graphics::bufferqueue::V2_0::IGraphicBufferProducer::DequeueBufferInput&,
+                    dequeueBuffer_cb));
+    MOCK_METHOD1(detachBuffer, Return<graphics::bufferqueue::V2_0::Status>(int));
+    MOCK_METHOD1(detachNextBuffer, Return<void>(detachNextBuffer_cb));
+    MOCK_METHOD3(attachBuffer,
+                 Return<void>(const graphics::common::V1_2::HardwareBuffer&, uint32_t,
+                              attachBuffer_cb));
+    MOCK_METHOD3(
+            queueBuffer,
+            Return<void>(
+                    int,
+                    const graphics::bufferqueue::V2_0::IGraphicBufferProducer::QueueBufferInput&,
+                    queueBuffer_cb));
+    MOCK_METHOD2(cancelBuffer,
+                 Return<graphics::bufferqueue::V2_0::Status>(int, const hidl_handle&));
+    MOCK_METHOD2(query, Return<void>(int32_t, query_cb));
+    MOCK_METHOD4(connect,
+                 Return<void>(const sp<graphics::bufferqueue::V2_0::IProducerListener>&,
+                              graphics::bufferqueue::V2_0::ConnectionType, bool, connect_cb));
+    MOCK_METHOD1(disconnect,
+                 Return<graphics::bufferqueue::V2_0::Status>(
+                         graphics::bufferqueue::V2_0::ConnectionType));
+    MOCK_METHOD4(allocateBuffers,
+                 Return<graphics::bufferqueue::V2_0::Status>(uint32_t, uint32_t, uint32_t,
+                                                             uint64_t));
+    MOCK_METHOD1(allowAllocation, Return<graphics::bufferqueue::V2_0::Status>(bool));
+    MOCK_METHOD1(setGenerationNumber, Return<graphics::bufferqueue::V2_0::Status>(uint32_t));
+    MOCK_METHOD1(getConsumerName, Return<void>(getConsumerName_cb));
+    MOCK_METHOD1(setDequeueTimeout, Return<graphics::bufferqueue::V2_0::Status>(int64_t));
+    MOCK_METHOD0(getUniqueId, Return<uint64_t>());
+};
+
+}; // namespace graphics::bufferqueue::V2_0::utils
+}; // namespace android::hardware
diff --git a/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp b/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp
new file mode 100644
index 0000000000..9f0f6cac19
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/LayerMetadata.h>
+#include <gui/OccupancyTracker.h>
+#include <gui/StreamSplitter.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceControl.h>
+#include <gui/view/Surface.h>
+#include <libgui_fuzzer_utils.h>
+#include "android/view/LayerMetadataKey.h"
+
+using namespace android;
+
+constexpr int32_t kMaxBytes = 256;
+constexpr int32_t kMatrixSize = 4;
+constexpr int32_t kLayerMetadataKeyCount = 8;
+
+constexpr uint32_t kMetadataKey[] = {
+        (uint32_t)view::LayerMetadataKey::METADATA_OWNER_UID,
+        (uint32_t)view::LayerMetadataKey::METADATA_WINDOW_TYPE,
+        (uint32_t)view::LayerMetadataKey::METADATA_TASK_ID,
+        (uint32_t)view::LayerMetadataKey::METADATA_MOUSE_CURSOR,
+        (uint32_t)view::LayerMetadataKey::METADATA_ACCESSIBILITY_ID,
+        (uint32_t)view::LayerMetadataKey::METADATA_OWNER_PID,
+        (uint32_t)view::LayerMetadataKey::METADATA_DEQUEUE_TIME,
+        (uint32_t)view::LayerMetadataKey::METADATA_GAME_MODE,
+};
+
+class ParcelableFuzzer {
+public:
+    ParcelableFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeStreamSplitter();
+    void invokeOccupancyTracker();
+    void invokeLayerDebugInfo();
+    void invokeLayerMetadata();
+    void invokeViewSurface();
+
+    FuzzedDataProvider mFdp;
+};
+
+void ParcelableFuzzer::invokeViewSurface() {
+    view::Surface surface;
+    surface.name = String16((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    Parcel parcel;
+    surface.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    surface.readFromParcel(&parcel);
+    bool nameAlreadyWritten = mFdp.ConsumeBool();
+    surface.writeToParcel(&parcel, nameAlreadyWritten);
+    parcel.setDataPosition(0);
+    surface.readFromParcel(&parcel, mFdp.ConsumeBool());
+}
+
+void ParcelableFuzzer::invokeLayerMetadata() {
+    std::unordered_map<uint32_t, std::vector<uint8_t>> map;
+    for (size_t idx = 0; idx < kLayerMetadataKeyCount; ++idx) {
+        std::vector<uint8_t> data;
+        for (size_t idx1 = 0; idx1 < mFdp.ConsumeIntegral<uint32_t>(); ++idx1) {
+            data.push_back(mFdp.ConsumeIntegral<uint8_t>());
+        }
+        map[kMetadataKey[idx]] = data;
+    }
+    LayerMetadata metadata(map);
+    uint32_t key = mFdp.PickValueInArray(kMetadataKey);
+    metadata.setInt32(key, mFdp.ConsumeIntegral<int32_t>());
+    metadata.itemToString(key, (mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+
+    Parcel parcel;
+    metadata.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    metadata.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeLayerDebugInfo() {
+    gui::LayerDebugInfo info;
+    info.mName = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mParentName = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mType = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mLayerStack = mFdp.ConsumeIntegral<uint32_t>();
+    info.mX = mFdp.ConsumeFloatingPoint<float>();
+    info.mY = mFdp.ConsumeFloatingPoint<float>();
+    info.mZ = mFdp.ConsumeIntegral<uint32_t>();
+    info.mWidth = mFdp.ConsumeIntegral<int32_t>();
+    info.mHeight = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferWidth = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferHeight = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferStride = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferFormat = mFdp.ConsumeIntegral<int32_t>();
+    info.mNumQueuedFrames = mFdp.ConsumeIntegral<int32_t>();
+
+    info.mFlags = mFdp.ConsumeIntegral<uint32_t>();
+    info.mPixelFormat = mFdp.ConsumeIntegral<int32_t>();
+    info.mTransparentRegion = Region(getRect(&mFdp));
+    info.mVisibleRegion = Region(getRect(&mFdp));
+    info.mSurfaceDamageRegion = Region(getRect(&mFdp));
+    info.mCrop = getRect(&mFdp);
+    info.mDataSpace = static_cast<android_dataspace>(mFdp.PickValueInArray(kDataspaces));
+    info.mColor = half4(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>(),
+                        mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>());
+    for (size_t idx = 0; idx < kMatrixSize; ++idx) {
+        info.mMatrix[idx / 2][idx % 2] = mFdp.ConsumeFloatingPoint<float>();
+    }
+    info.mIsOpaque = mFdp.ConsumeBool();
+    info.mContentDirty = mFdp.ConsumeBool();
+    info.mStretchEffect.width = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.height = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.vectorX = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.vectorY = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.maxAmountX = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.maxAmountY = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.mappedChildBounds =
+            FloatRect(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>(),
+                      mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>());
+
+    Parcel parcel;
+    info.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    info.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeOccupancyTracker() {
+    nsecs_t totalTime = mFdp.ConsumeIntegral<uint32_t>();
+    size_t numFrames = mFdp.ConsumeIntegral<size_t>();
+    float occupancyAverage = mFdp.ConsumeFloatingPoint<float>();
+    OccupancyTracker::Segment segment(totalTime, numFrames, occupancyAverage,
+                                      mFdp.ConsumeBool() /*usedThirdBuffer*/);
+    Parcel parcel;
+    segment.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    segment.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeStreamSplitter() {
+    sp<IGraphicBufferProducer> producer;
+    sp<IGraphicBufferConsumer> consumer;
+    BufferQueue::createBufferQueue(&producer, &consumer);
+    sp<StreamSplitter> splitter;
+    StreamSplitter::createSplitter(consumer, &splitter);
+    splitter->addOutput(producer);
+    std::string name = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    splitter->setName(String8(name.c_str()));
+}
+
+void ParcelableFuzzer::process() {
+    invokeStreamSplitter();
+    invokeOccupancyTracker();
+    invokeLayerDebugInfo();
+    invokeLayerMetadata();
+    invokeViewSurface();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    ParcelableFuzzer libGuiFuzzer(data, size);
+    libGuiFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp b/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp
new file mode 100644
index 0000000000..57720dd513
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp
@@ -0,0 +1,327 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <android/hardware/power/Boost.h>
+#include <fuzzbinder/libbinder_driver.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+#include <libgui_fuzzer_utils.h>
+#include "android-base/stringprintf.h"
+
+using namespace android;
+
+constexpr int32_t kRandomStringMaxBytes = 256;
+
+constexpr ui::ColorMode kColormodes[] = {ui::ColorMode::NATIVE,
+                                         ui::ColorMode::STANDARD_BT601_625,
+                                         ui::ColorMode::STANDARD_BT601_625_UNADJUSTED,
+                                         ui::ColorMode::STANDARD_BT601_525,
+                                         ui::ColorMode::STANDARD_BT601_525_UNADJUSTED,
+                                         ui::ColorMode::STANDARD_BT709,
+                                         ui::ColorMode::DCI_P3,
+                                         ui::ColorMode::SRGB,
+                                         ui::ColorMode::ADOBE_RGB,
+                                         ui::ColorMode::DISPLAY_P3,
+                                         ui::ColorMode::BT2020,
+                                         ui::ColorMode::BT2100_PQ,
+                                         ui::ColorMode::BT2100_HLG,
+                                         ui::ColorMode::DISPLAY_BT2020};
+
+constexpr hardware::power::Boost kBoost[] = {
+        hardware::power::Boost::INTERACTION,   hardware::power::Boost::DISPLAY_UPDATE_IMMINENT,
+        hardware::power::Boost::ML_ACC,        hardware::power::Boost::AUDIO_LAUNCH,
+        hardware::power::Boost::CAMERA_LAUNCH, hardware::power::Boost::CAMERA_SHOT,
+};
+
+constexpr gui::TouchOcclusionMode kMode[] = {
+        gui::TouchOcclusionMode::BLOCK_UNTRUSTED,
+        gui::TouchOcclusionMode::USE_OPACITY,
+        gui::TouchOcclusionMode::ALLOW,
+};
+
+constexpr gui::WindowInfo::Flag kFlags[] = {
+        gui::WindowInfo::Flag::ALLOW_LOCK_WHILE_SCREEN_ON,
+        gui::WindowInfo::Flag::DIM_BEHIND,
+        gui::WindowInfo::Flag::BLUR_BEHIND,
+        gui::WindowInfo::Flag::NOT_FOCUSABLE,
+        gui::WindowInfo::Flag::NOT_TOUCHABLE,
+        gui::WindowInfo::Flag::NOT_TOUCH_MODAL,
+        gui::WindowInfo::Flag::TOUCHABLE_WHEN_WAKING,
+        gui::WindowInfo::Flag::KEEP_SCREEN_ON,
+        gui::WindowInfo::Flag::LAYOUT_IN_SCREEN,
+        gui::WindowInfo::Flag::LAYOUT_NO_LIMITS,
+        gui::WindowInfo::Flag::FULLSCREEN,
+        gui::WindowInfo::Flag::FORCE_NOT_FULLSCREEN,
+        gui::WindowInfo::Flag::DITHER,
+        gui::WindowInfo::Flag::SECURE,
+        gui::WindowInfo::Flag::SCALED,
+        gui::WindowInfo::Flag::IGNORE_CHEEK_PRESSES,
+        gui::WindowInfo::Flag::LAYOUT_INSET_DECOR,
+        gui::WindowInfo::Flag::ALT_FOCUSABLE_IM,
+        gui::WindowInfo::Flag::WATCH_OUTSIDE_TOUCH,
+        gui::WindowInfo::Flag::SHOW_WHEN_LOCKED,
+        gui::WindowInfo::Flag::SHOW_WALLPAPER,
+        gui::WindowInfo::Flag::TURN_SCREEN_ON,
+        gui::WindowInfo::Flag::DISMISS_KEYGUARD,
+        gui::WindowInfo::Flag::SPLIT_TOUCH,
+        gui::WindowInfo::Flag::HARDWARE_ACCELERATED,
+        gui::WindowInfo::Flag::LAYOUT_IN_OVERSCAN,
+        gui::WindowInfo::Flag::TRANSLUCENT_STATUS,
+        gui::WindowInfo::Flag::TRANSLUCENT_NAVIGATION,
+        gui::WindowInfo::Flag::LOCAL_FOCUS_MODE,
+        gui::WindowInfo::Flag::SLIPPERY,
+        gui::WindowInfo::Flag::LAYOUT_ATTACHED_IN_DECOR,
+        gui::WindowInfo::Flag::DRAWS_SYSTEM_BAR_BACKGROUNDS,
+};
+
+constexpr gui::WindowInfo::Type kType[] = {
+        gui::WindowInfo::Type::UNKNOWN,
+        gui::WindowInfo::Type::FIRST_APPLICATION_WINDOW,
+        gui::WindowInfo::Type::BASE_APPLICATION,
+        gui::WindowInfo::Type::APPLICATION,
+        gui::WindowInfo::Type::APPLICATION_STARTING,
+        gui::WindowInfo::Type::LAST_APPLICATION_WINDOW,
+        gui::WindowInfo::Type::FIRST_SUB_WINDOW,
+        gui::WindowInfo::Type::APPLICATION_PANEL,
+        gui::WindowInfo::Type::APPLICATION_MEDIA,
+        gui::WindowInfo::Type::APPLICATION_SUB_PANEL,
+        gui::WindowInfo::Type::APPLICATION_ATTACHED_DIALOG,
+        gui::WindowInfo::Type::APPLICATION_MEDIA_OVERLAY,
+};
+
+constexpr gui::WindowInfo::InputConfig kFeatures[] = {
+        gui::WindowInfo::InputConfig::NO_INPUT_CHANNEL,
+        gui::WindowInfo::InputConfig::DISABLE_USER_ACTIVITY,
+        gui::WindowInfo::InputConfig::DROP_INPUT,
+        gui::WindowInfo::InputConfig::DROP_INPUT_IF_OBSCURED,
+        gui::WindowInfo::InputConfig::SPY,
+        gui::WindowInfo::InputConfig::INTERCEPTS_STYLUS,
+};
+
+class SurfaceComposerClientFuzzer {
+public:
+    SurfaceComposerClientFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeSurfaceComposerClient();
+    void invokeSurfaceComposerClientBinder();
+    void invokeSurfaceComposerTransaction();
+    void getWindowInfo(gui::WindowInfo*);
+    sp<SurfaceControl> makeSurfaceControl();
+    BlurRegion getBlurRegion();
+    void fuzzOnPullAtom();
+    gui::DisplayModeSpecs getDisplayModeSpecs();
+
+    FuzzedDataProvider mFdp;
+};
+
+gui::DisplayModeSpecs SurfaceComposerClientFuzzer::getDisplayModeSpecs() {
+    const auto getRefreshRateRange = [&] {
+        gui::DisplayModeSpecs::RefreshRateRanges::RefreshRateRange range;
+        range.min = mFdp.ConsumeFloatingPoint<float>();
+        range.max = mFdp.ConsumeFloatingPoint<float>();
+        return range;
+    };
+
+    const auto getRefreshRateRanges = [&] {
+        gui::DisplayModeSpecs::RefreshRateRanges ranges;
+        ranges.physical = getRefreshRateRange();
+        ranges.render = getRefreshRateRange();
+        return ranges;
+    };
+
+    String8 displayName((mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes)).c_str());
+    sp<IBinder> displayToken =
+            SurfaceComposerClient::createDisplay(displayName, mFdp.ConsumeBool() /*secure*/);
+    gui::DisplayModeSpecs specs;
+    specs.defaultMode = mFdp.ConsumeIntegral<int32_t>();
+    specs.allowGroupSwitching = mFdp.ConsumeBool();
+    specs.primaryRanges = getRefreshRateRanges();
+    specs.appRequestRanges = getRefreshRateRanges();
+    return specs;
+}
+
+BlurRegion SurfaceComposerClientFuzzer::getBlurRegion() {
+    int32_t left = mFdp.ConsumeIntegral<int32_t>();
+    int32_t right = mFdp.ConsumeIntegral<int32_t>();
+    int32_t top = mFdp.ConsumeIntegral<int32_t>();
+    int32_t bottom = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t blurRadius = mFdp.ConsumeIntegral<uint32_t>();
+    float alpha = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusTL = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusTR = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusBL = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusBR = mFdp.ConsumeFloatingPoint<float>();
+    return BlurRegion{blurRadius,     cornerRadiusTL, cornerRadiusTR, cornerRadiusBL,
+                      cornerRadiusBR, alpha,          left,           top,
+                      right,          bottom};
+}
+
+void SurfaceComposerClientFuzzer::getWindowInfo(gui::WindowInfo* windowInfo) {
+    windowInfo->id = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->name = mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes);
+    windowInfo->layoutParamsFlags = mFdp.PickValueInArray(kFlags);
+    windowInfo->layoutParamsType = mFdp.PickValueInArray(kType);
+    windowInfo->frameLeft = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameTop = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameRight = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameBottom = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->surfaceInset = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->alpha = mFdp.ConsumeFloatingPointInRange<float>(0, 1);
+    ui::Transform transform(mFdp.PickValueInArray(kOrientation));
+    windowInfo->transform = transform;
+    windowInfo->touchableRegion = Region(getRect(&mFdp));
+    windowInfo->replaceTouchableRegionWithCrop = mFdp.ConsumeBool();
+    windowInfo->touchOcclusionMode = mFdp.PickValueInArray(kMode);
+    windowInfo->ownerPid = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->ownerUid = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->packageName = mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes);
+    windowInfo->inputConfig = mFdp.PickValueInArray(kFeatures);
+}
+
+sp<SurfaceControl> SurfaceComposerClientFuzzer::makeSurfaceControl() {
+    sp<IBinder> handle;
+    const sp<FakeBnSurfaceComposerClient> testClient(new FakeBnSurfaceComposerClient());
+    sp<SurfaceComposerClient> client = new SurfaceComposerClient(testClient);
+    sp<BnGraphicBufferProducer> producer;
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t transformHint = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t flags = mFdp.ConsumeIntegral<uint32_t>();
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    int32_t layerId = mFdp.ConsumeIntegral<int32_t>();
+    std::string layerName = base::StringPrintf("#%d", layerId);
+    return new SurfaceControl(client, handle, layerId, layerName, width, height, format,
+                              transformHint, flags);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerTransaction() {
+    sp<SurfaceControl> surface = makeSurfaceControl();
+
+    SurfaceComposerClient::Transaction transaction;
+    int32_t layer = mFdp.ConsumeIntegral<int32_t>();
+    transaction.setLayer(surface, layer);
+
+    sp<SurfaceControl> relativeSurface = makeSurfaceControl();
+    transaction.setRelativeLayer(surface, relativeSurface, layer);
+
+    Region transparentRegion(getRect(&mFdp));
+    transaction.setTransparentRegionHint(surface, transparentRegion);
+    transaction.setAlpha(surface, mFdp.ConsumeFloatingPoint<float>());
+
+    transaction.setCornerRadius(surface, mFdp.ConsumeFloatingPoint<float>());
+    transaction.setBackgroundBlurRadius(surface, mFdp.ConsumeFloatingPoint<float>());
+    std::vector<BlurRegion> regions;
+    uint32_t vectorSize = mFdp.ConsumeIntegralInRange<uint32_t>(0, 100);
+    regions.resize(vectorSize);
+    for (size_t idx = 0; idx < vectorSize; ++idx) {
+        regions.push_back(getBlurRegion());
+    }
+    transaction.setBlurRegions(surface, regions);
+
+    transaction.setLayerStack(surface, {mFdp.ConsumeIntegral<uint32_t>()});
+    half3 color = {mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                   mFdp.ConsumeIntegral<uint32_t>()};
+    transaction.setColor(surface, color);
+    transaction.setBackgroundColor(surface, color, mFdp.ConsumeFloatingPoint<float>(),
+                                   mFdp.PickValueInArray(kDataspaces));
+
+    transaction.setApi(surface, mFdp.ConsumeIntegral<int32_t>());
+    transaction.setFrameRateSelectionPriority(surface, mFdp.ConsumeIntegral<int32_t>());
+    transaction.setColorSpaceAgnostic(surface, mFdp.ConsumeBool() /*agnostic*/);
+
+    gui::WindowInfo windowInfo;
+    getWindowInfo(&windowInfo);
+    transaction.setInputWindowInfo(surface, windowInfo);
+    Parcel windowParcel;
+    windowInfo.writeToParcel(&windowParcel);
+    windowParcel.setDataPosition(0);
+    windowInfo.readFromParcel(&windowParcel);
+
+    windowInfo.addTouchableRegion(getRect(&mFdp));
+    int32_t pointX = mFdp.ConsumeIntegral<int32_t>();
+    int32_t pointY = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo.touchableRegionContainsPoint(pointX, pointY);
+    windowInfo.frameContainsPoint(pointX, pointY);
+
+    Parcel transactionParcel;
+    transaction.writeToParcel(&transactionParcel);
+    transactionParcel.setDataPosition(0);
+    transaction.readFromParcel(&transactionParcel);
+    SurfaceComposerClient::Transaction::createFromParcel(&transactionParcel);
+}
+
+void SurfaceComposerClientFuzzer::fuzzOnPullAtom() {
+    std::string outData;
+    bool success;
+    SurfaceComposerClient::onPullAtom(mFdp.ConsumeIntegral<int32_t>(), &outData, &success);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerClient() {
+    String8 displayName((mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes)).c_str());
+    sp<IBinder> displayToken =
+            SurfaceComposerClient::createDisplay(displayName, mFdp.ConsumeBool() /*secure*/);
+    SurfaceComposerClient::setDesiredDisplayModeSpecs(displayToken, getDisplayModeSpecs());
+
+    ui::ColorMode colorMode = mFdp.PickValueInArray(kColormodes);
+    SurfaceComposerClient::setActiveColorMode(displayToken, colorMode);
+    SurfaceComposerClient::setAutoLowLatencyMode(displayToken, mFdp.ConsumeBool() /*on*/);
+    SurfaceComposerClient::setGameContentType(displayToken, mFdp.ConsumeBool() /*on*/);
+    SurfaceComposerClient::setDisplayPowerMode(displayToken, mFdp.ConsumeIntegral<int32_t>());
+    SurfaceComposerClient::doUncacheBufferTransaction(mFdp.ConsumeIntegral<uint64_t>());
+
+    SurfaceComposerClient::setDisplayBrightness(displayToken, getBrightness(&mFdp));
+    hardware::power::Boost boostId = mFdp.PickValueInArray(kBoost);
+    SurfaceComposerClient::notifyPowerBoost((int32_t)boostId);
+
+    String8 surfaceName((mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes)).c_str());
+    sp<BBinder> handle(new BBinder());
+    sp<BnGraphicBufferProducer> producer;
+    sp<Surface> surfaceParent(
+            new Surface(producer, mFdp.ConsumeBool() /*controlledByApp*/, handle));
+
+    fuzzOnPullAtom();
+    SurfaceComposerClient::setDisplayContentSamplingEnabled(displayToken,
+                                                            mFdp.ConsumeBool() /*enable*/,
+                                                            mFdp.ConsumeIntegral<uint8_t>(),
+                                                            mFdp.ConsumeIntegral<uint64_t>());
+
+    sp<IBinder> stopLayerHandle;
+    sp<gui::IRegionSamplingListener> listener = sp<gui::IRegionSamplingListenerDefault>::make();
+    sp<gui::IRegionSamplingListenerDelegator> sampleListener =
+            new gui::IRegionSamplingListenerDelegator(listener);
+    SurfaceComposerClient::addRegionSamplingListener(getRect(&mFdp), stopLayerHandle,
+                                                     sampleListener);
+    sp<gui::IFpsListenerDefault> fpsListener;
+    SurfaceComposerClient::addFpsListener(mFdp.ConsumeIntegral<int32_t>(), fpsListener);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerClientBinder() {
+    sp<FakeBnSurfaceComposerClient> client(new FakeBnSurfaceComposerClient());
+    fuzzService(client.get(), std::move(mFdp));
+}
+
+void SurfaceComposerClientFuzzer::process() {
+    invokeSurfaceComposerClient();
+    invokeSurfaceComposerTransaction();
+    invokeSurfaceComposerClientBinder();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    SurfaceComposerClientFuzzer surfaceComposerClientFuzzer(data, size);
+    surfaceComposerClientFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp b/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp
new file mode 100644
index 0000000000..6d5427bc9e
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fuzzbinder/libbinder_driver.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+class SurfaceComposerFuzzer {
+public:
+    SurfaceComposerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    FuzzedDataProvider mFdp;
+};
+
+void SurfaceComposerFuzzer::process() {
+    sp<FakeBnSurfaceComposer> composer(new FakeBnSurfaceComposer());
+    fuzzService(composer.get(), std::move(mFdp));
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    SurfaceComposerFuzzer surfaceComposerFuzzer(data, size);
+    surfaceComposerFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/include/gui/AidlStatusUtil.h b/libs/gui/include/gui/AidlStatusUtil.h
new file mode 100644
index 0000000000..55be27bf35
--- /dev/null
+++ b/libs/gui/include/gui/AidlStatusUtil.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/Status.h>
+
+// Extracted from frameworks/av/media/libaudioclient/include/media/AidlConversionUtil.h
+namespace android::gui::aidl_utils {
+
+/**
+ * Return the equivalent Android status_t from a binder exception code.
+ *
+ * Generally one should use statusTFromBinderStatus() instead.
+ *
+ * Exception codes can be generated from a remote Java service exception, translate
+ * them for use on the Native side.
+ *
+ * Note: for EX_TRANSACTION_FAILED and EX_SERVICE_SPECIFIC a more detailed error code
+ * can be found from transactionError() or serviceSpecificErrorCode().
+ */
+static inline status_t statusTFromExceptionCode(int32_t exceptionCode) {
+    using namespace ::android::binder;
+    switch (exceptionCode) {
+        case Status::EX_NONE:
+            return OK;
+        case Status::EX_SECURITY: // Java SecurityException, rethrows locally in Java
+            return PERMISSION_DENIED;
+        case Status::EX_BAD_PARCELABLE:   // Java BadParcelableException, rethrows in Java
+        case Status::EX_ILLEGAL_ARGUMENT: // Java IllegalArgumentException, rethrows in Java
+        case Status::EX_NULL_POINTER:     // Java NullPointerException, rethrows in Java
+            return BAD_VALUE;
+        case Status::EX_ILLEGAL_STATE:         // Java IllegalStateException, rethrows in Java
+        case Status::EX_UNSUPPORTED_OPERATION: // Java UnsupportedOperationException, rethrows
+            return INVALID_OPERATION;
+        case Status::EX_HAS_REPLY_HEADER: // Native strictmode violation
+        case Status::EX_PARCELABLE: // Java bootclass loader (not standard exception), rethrows
+        case Status::EX_NETWORK_MAIN_THREAD: // Java NetworkOnMainThreadException, rethrows
+        case Status::EX_TRANSACTION_FAILED:  // Native - see error code
+        case Status::EX_SERVICE_SPECIFIC:    // Java ServiceSpecificException,
+                                             // rethrows in Java with integer error code
+            return UNKNOWN_ERROR;
+    }
+    return UNKNOWN_ERROR;
+}
+
+/**
+ * Return the equivalent Android status_t from a binder status.
+ *
+ * Used to handle errors from a AIDL method declaration
+ *
+ * [oneway] void method(type0 param0, ...)
+ *
+ * or the following (where return_type is not a status_t)
+ *
+ * return_type method(type0 param0, ...)
+ */
+static inline status_t statusTFromBinderStatus(const ::android::binder::Status &status) {
+    return status.isOk() ? OK // check OK,
+        : status.serviceSpecificErrorCode() // service-side error, not standard Java exception
+                                            // (fromServiceSpecificError)
+        ?: status.transactionError() // a native binder transaction error (fromStatusT)
+        ?: statusTFromExceptionCode(status.exceptionCode()); // a service-side error with a
+                                                    // standard Java exception (fromExceptionCode)
+}
+
+/**
+ * Return a binder::Status from native service status.
+ *
+ * This is used for methods not returning an explicit status_t,
+ * where Java callers expect an exception, not an integer return value.
+ */
+static inline ::android::binder::Status binderStatusFromStatusT(
+        status_t status, const char *optionalMessage = nullptr) {
+    const char *const emptyIfNull = optionalMessage == nullptr ? "" : optionalMessage;
+    // From binder::Status instructions:
+    //  Prefer a generic exception code when possible, then a service specific
+    //  code, and finally a status_t for low level failures or legacy support.
+    //  Exception codes and service specific errors map to nicer exceptions for
+    //  Java clients.
+
+    using namespace ::android::binder;
+    switch (status) {
+        case OK:
+            return Status::ok();
+        case PERMISSION_DENIED: // throw SecurityException on Java side
+            return Status::fromExceptionCode(Status::EX_SECURITY, emptyIfNull);
+        case BAD_VALUE: // throw IllegalArgumentException on Java side
+            return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, emptyIfNull);
+        case INVALID_OPERATION: // throw IllegalStateException on Java side
+            return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, emptyIfNull);
+    }
+
+    // A service specific error will not show on status.transactionError() so
+    // be sure to use statusTFromBinderStatus() for reliable error handling.
+
+    // throw a ServiceSpecificException.
+    return Status::fromServiceSpecificError(status, emptyIfNull);
+}
+
+} // namespace android::gui::aidl_utils
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 48226b9641..47dcc42e16 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -69,9 +69,7 @@ private:
     bool mPreviouslyConnected GUARDED_BY(mMutex);
 };
 
-class BLASTBufferQueue
-    : public ConsumerBase::FrameAvailableListener, public BufferItemConsumer::BufferFreedListener
-{
+class BLASTBufferQueue : public ConsumerBase::FrameAvailableListener {
 public:
     BLASTBufferQueue(const std::string& name, bool updateDestinationFrame = true);
     BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface, int width,
@@ -83,7 +81,6 @@ public:
     sp<Surface> getSurface(bool includeSurfaceControlHandle);
     bool isSameSurfaceControl(const sp<SurfaceControl>& surfaceControl) const;
 
-    void onBufferFreed(const wp<GraphicBuffer>&/* graphicBuffer*/) override { /* TODO */ }
     void onFrameReplaced(const BufferItem& item) override;
     void onFrameAvailable(const BufferItem& item) override;
     void onFrameDequeued(const uint64_t) override;
@@ -115,15 +112,12 @@ public:
 
     uint32_t getLastTransformHint() const;
     uint64_t getLastAcquiredFrameNum();
-    void abandon();
 
     /**
-     * Set a callback to be invoked when we are hung. The boolean parameter
-     * indicates whether the hang is due to an unfired fence.
-     * TODO: The boolean is always true atm, unfired fence is
-     * the only case we detect.
+     * Set a callback to be invoked when we are hung. The string parameter
+     * indicates the reason for the hang.
      */
-    void setTransactionHangCallback(std::function<void(bool)> callback);
+    void setTransactionHangCallback(std::function<void(const std::string&)> callback);
 
     virtual ~BLASTBufferQueue();
 
@@ -246,7 +240,7 @@ private:
 
     // Queues up transactions using this token in SurfaceFlinger. This prevents queued up
     // transactions from other parts of the client from blocking this transaction.
-    const sp<IBinder> mApplyToken GUARDED_BY(mMutex) = new BBinder();
+    const sp<IBinder> mApplyToken GUARDED_BY(mMutex) = sp<BBinder>::make();
 
     // Guards access to mDequeueTimestamps since we cannot hold to mMutex in onFrameDequeued or
     // we will deadlock.
@@ -287,7 +281,7 @@ private:
     bool mAppliedLastTransaction = false;
     uint64_t mLastAppliedFrameNumber = 0;
 
-    std::function<void(bool)> mTransactionHangCallback;
+    std::function<void(const std::string&)> mTransactionHangCallback;
 
     std::unordered_set<uint64_t> mSyncedFrameNumbers GUARDED_BY(mMutex);
 };
diff --git a/libs/gui/include/gui/CompositorTiming.h b/libs/gui/include/gui/CompositorTiming.h
new file mode 100644
index 0000000000..cb8ca7a15c
--- /dev/null
+++ b/libs/gui/include/gui/CompositorTiming.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utils/Timers.h>
+
+namespace android::gui {
+
+// Expected timing of the next composited frame, based on the timing of the latest frames.
+struct CompositorTiming {
+    static constexpr nsecs_t kDefaultVsyncPeriod = 16'666'667;
+
+    CompositorTiming() = default;
+    CompositorTiming(nsecs_t vsyncDeadline, nsecs_t vsyncPeriod, nsecs_t vsyncPhase,
+                     nsecs_t presentLatency);
+
+    // Time point when compositing is expected to start.
+    nsecs_t deadline = 0;
+
+    // Duration between consecutive frames. In other words, the VSYNC period.
+    nsecs_t interval = kDefaultVsyncPeriod;
+
+    // Duration between composite start and present. For missed frames, the extra latency is rounded
+    // to a multiple of the VSYNC period, such that the remainder (presentLatency % interval) always
+    // evaluates to the VSYNC phase offset.
+    nsecs_t presentLatency = kDefaultVsyncPeriod;
+};
+
+} // namespace android::gui
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index a3425395bf..bf3a07b6b5 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -23,10 +23,10 @@ using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
 
 class DisplayEventDispatcher : public LooperCallback {
 public:
-    explicit DisplayEventDispatcher(
-            const sp<Looper>& looper,
-            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+    explicit DisplayEventDispatcher(const sp<Looper>& looper,
+                                    gui::ISurfaceComposer::VsyncSource vsyncSource =
+                                            gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+                                    EventRegistrationFlags eventRegistration = {});
 
     status_t initialize();
     void dispose();
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index cf7a4e5522..0f4907fcb9 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -20,20 +20,26 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <ftl/flags.h>
+
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
+#include <android/gui/ISurfaceComposer.h>
 #include <binder/IInterface.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/VsyncEventData.h>
 
+#include <ui/DisplayId.h>
+
 // ----------------------------------------------------------------------------
 
 namespace android {
 
 // ----------------------------------------------------------------------------
 
+using EventRegistrationFlags = ftl::Flags<gui::ISurfaceComposer::EventRegistration>;
+
 using gui::IDisplayEventConnection;
 using gui::ParcelableVsyncEventData;
 using gui::VsyncEventData;
@@ -111,9 +117,9 @@ public:
      * To receive ModeChanged and/or FrameRateOverrides events specify this in
      * the constructor. Other events start being delivered immediately.
      */
-    explicit DisplayEventReceiver(
-            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+    explicit DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource =
+                                          gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+                                  EventRegistrationFlags eventRegistration = {});
 
     /*
      * ~DisplayEventReceiver severs the connection with SurfaceFlinger, new events
diff --git a/libs/gui/include/gui/DisplayInfo.h b/libs/gui/include/gui/DisplayInfo.h
index 74f33a2a87..42b62c755c 100644
--- a/libs/gui/include/gui/DisplayInfo.h
+++ b/libs/gui/include/gui/DisplayInfo.h
@@ -41,6 +41,8 @@ struct DisplayInfo : public Parcelable {
     status_t writeToParcel(android::Parcel*) const override;
 
     status_t readFromParcel(const android::Parcel*) override;
+
+    void dump(std::string& result, const char* prefix = "") const;
 };
 
 } // namespace android::gui
\ No newline at end of file
diff --git a/libs/gui/include/gui/FrameTimestamps.h b/libs/gui/include/gui/FrameTimestamps.h
index dd3de58844..c08a9b1b6c 100644
--- a/libs/gui/include/gui/FrameTimestamps.h
+++ b/libs/gui/include/gui/FrameTimestamps.h
@@ -17,6 +17,9 @@
 #ifndef ANDROID_GUI_FRAMETIMESTAMPS_H
 #define ANDROID_GUI_FRAMETIMESTAMPS_H
 
+#include <android/gui/FrameEvent.h>
+
+#include <gui/CompositorTiming.h>
 #include <ui/FenceTime.h>
 #include <utils/Flattenable.h>
 #include <utils/StrongPointer.h>
@@ -31,22 +34,8 @@ namespace android {
 struct FrameEvents;
 class FrameEventHistoryDelta;
 
-
-// Identifiers for all the events that may be recorded or reported.
-enum class FrameEvent {
-    POSTED,
-    REQUESTED_PRESENT,
-    LATCH,
-    ACQUIRE,
-    FIRST_REFRESH_START,
-    LAST_REFRESH_START,
-    GPU_COMPOSITION_DONE,
-    DISPLAY_PRESENT,
-    DEQUEUE_READY,
-    RELEASE,
-    EVENT_COUNT, // Not an actual event.
-};
-
+using gui::CompositorTiming;
+using gui::FrameEvent;
 
 // A collection of timestamps corresponding to a single frame.
 struct FrameEvents {
@@ -96,12 +85,6 @@ struct FrameEvents {
     std::shared_ptr<FenceTime> releaseFence{FenceTime::NO_FENCE};
 };
 
-struct CompositorTiming {
-    nsecs_t deadline{0};
-    nsecs_t interval{16666667};
-    nsecs_t presentLatency{16666667};
-};
-
 // A short history of frames that are synchronized between the consumer and
 // producer via deltas.
 class FrameEventHistory {
diff --git a/libs/gui/include/gui/GLConsumer.h b/libs/gui/include/gui/GLConsumer.h
index 2f538ffb86..ba268ab17a 100644
--- a/libs/gui/include/gui/GLConsumer.h
+++ b/libs/gui/include/gui/GLConsumer.h
@@ -138,6 +138,10 @@ public:
             const sp<GraphicBuffer>& buf, const Rect& cropRect,
             uint32_t transform, bool filtering);
 
+    static void computeTransformMatrix(float outTransform[16], float bufferWidth,
+                                       float bufferHeight, PixelFormat pixelFormat,
+                                       const Rect& cropRect, uint32_t transform, bool filtering);
+
     // Scale the crop down horizontally or vertically such that it has the
     // same aspect ratio as the buffer does.
     static Rect scaleDownCrop(const Rect& crop, uint32_t bufferWidth,
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index a610e940be..d70a7f0f1b 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -17,19 +17,17 @@
 #pragma once
 
 #include <android/gui/DisplayBrightness.h>
+#include <android/gui/FrameTimelineInfo.h>
 #include <android/gui/IDisplayEventConnection.h>
 #include <android/gui/IFpsListener.h>
 #include <android/gui/IHdrLayerInfoListener.h>
 #include <android/gui/IRegionSamplingListener.h>
 #include <android/gui/IScreenCaptureListener.h>
-#include <android/gui/ITransactionTraceListener.h>
+#include <android/gui/ITransactionCompletedListener.h>
 #include <android/gui/ITunnelModeEnabledListener.h>
 #include <android/gui/IWindowInfosListener.h>
 #include <binder/IBinder.h>
 #include <binder/IInterface.h>
-#include <ftl/flags.h>
-#include <gui/FrameTimelineInfo.h>
-#include <gui/ITransactionCompletedListener.h>
 #include <gui/SpHash.h>
 #include <math/vec4.h>
 #include <stdint.h>
@@ -57,26 +55,25 @@
 namespace android {
 
 struct client_cache_t;
-struct ComposerState;
+class ComposerState;
 struct DisplayStatInfo;
 struct DisplayState;
 struct InputWindowCommands;
-class LayerDebugInfo;
 class HdrCapabilities;
-class IGraphicBufferProducer;
-class ISurfaceComposerClient;
 class Rect;
-enum class FrameEvent;
 
+using gui::FrameTimelineInfo;
 using gui::IDisplayEventConnection;
 using gui::IRegionSamplingListener;
 using gui::IScreenCaptureListener;
+using gui::ListenerCallbacks;
 using gui::SpHash;
 
 namespace gui {
 
 struct DisplayCaptureArgs;
 struct LayerCaptureArgs;
+class LayerDebugInfo;
 
 } // namespace gui
 
@@ -85,7 +82,6 @@ namespace ui {
 struct DisplayMode;
 struct DisplayState;
 struct DynamicDisplayInfo;
-struct StaticDisplayInfo;
 
 } // namespace ui
 
@@ -97,11 +93,8 @@ class ISurfaceComposer: public IInterface {
 public:
     DECLARE_META_INTERFACE(SurfaceComposer)
 
-    static constexpr size_t MAX_LAYERS = 4096;
-
     // flags for setTransactionState()
     enum {
-        eSynchronous = 0x01,
         eAnimation = 0x02,
 
         // Explicit indication that this transaction and others to follow will likely result in a
@@ -116,322 +109,13 @@ public:
         eOneWay = 0x20
     };
 
-    enum VsyncSource {
-        eVsyncSourceApp = 0,
-        eVsyncSourceSurfaceFlinger = 1
-    };
-
-    enum class EventRegistration {
-        modeChanged = 1 << 0,
-        frameRateOverride = 1 << 1,
-    };
-
-    using EventRegistrationFlags = ftl::Flags<EventRegistration>;
-
-    /*
-     * Create a connection with SurfaceFlinger.
-     */
-    virtual sp<ISurfaceComposerClient> createConnection() = 0;
-
-    /* return an IDisplayEventConnection */
-    virtual sp<IDisplayEventConnection> createDisplayEventConnection(
-            VsyncSource vsyncSource = eVsyncSourceApp,
-            EventRegistrationFlags eventRegistration = {}) = 0;
-
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
     virtual status_t setTransactionState(
-            const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& state,
+            const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
             const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
             const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
             bool isAutoTimestamp, const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
             const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId) = 0;
-
-    /* signal that we're done booting.
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual void bootFinished() = 0;
-
-    /* verify that an IGraphicBufferProducer was created by SurfaceFlinger.
-     */
-    virtual bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& surface) const = 0;
-
-    /* Returns the frame timestamps supported by SurfaceFlinger.
-     */
-    virtual status_t getSupportedFrameTimestamps(
-            std::vector<FrameEvent>* outSupported) const = 0;
-
-    /**
-     * Gets immutable information about given physical display.
-     */
-    virtual status_t getStaticDisplayInfo(const sp<IBinder>& display, ui::StaticDisplayInfo*) = 0;
-
-    /**
-     * Gets dynamic information about given physical display.
-     */
-    virtual status_t getDynamicDisplayInfo(const sp<IBinder>& display, ui::DynamicDisplayInfo*) = 0;
-
-    virtual status_t getDisplayNativePrimaries(const sp<IBinder>& display,
-            ui::DisplayPrimaries& primaries) = 0;
-    virtual status_t setActiveColorMode(const sp<IBinder>& display,
-            ui::ColorMode colorMode) = 0;
-
-    /**
-     * Sets the user-preferred display mode that a device should boot in.
-     */
-    virtual status_t setBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId) = 0;
-
-    /* Clears the frame statistics for animations.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t clearAnimationFrameStats() = 0;
-
-    /* Gets the frame statistics for animations.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getAnimationFrameStats(FrameStats* outStats) const = 0;
-
-    /* Overrides the supported HDR modes for the given display device.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) = 0;
-
-    /* Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
-     *
-     * Requires the calling uid be from system server.
-     */
-    virtual status_t onPullAtom(const int32_t atomId, std::string* outData, bool* success) = 0;
-
-    virtual status_t enableVSyncInjections(bool enable) = 0;
-
-    virtual status_t injectVSync(nsecs_t when) = 0;
-
-    /* Gets the list of active layers in Z order for debugging purposes
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) = 0;
-
-    virtual status_t getColorManagement(bool* outGetColorManagement) const = 0;
-
-    /* Gets the composition preference of the default data space and default pixel format,
-     * as well as the wide color gamut data space and wide color gamut pixel format.
-     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
-     * has no wide color gamut support.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                              ui::PixelFormat* defaultPixelFormat,
-                                              ui::Dataspace* wideColorGamutDataspace,
-                                              ui::PixelFormat* wideColorGamutPixelFormat) const = 0;
-    /*
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                           ui::PixelFormat* outFormat,
-                                                           ui::Dataspace* outDataspace,
-                                                           uint8_t* outComponentMask) const = 0;
-
-    /* Turns on the color sampling engine on the display.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                                      uint8_t componentMask,
-                                                      uint64_t maxFrames) = 0;
-
-    /* Returns statistics on the color profile of the last frame displayed for a given display
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
-                                               uint64_t timestamp,
-                                               DisplayedFrameStats* outStats) const = 0;
-
-    /*
-     * Gets whether SurfaceFlinger can support protected content in GPU composition.
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getProtectedContentSupport(bool* outSupported) const = 0;
-
-    /* Registers a listener to stream median luma updates from SurfaceFlinger.
-     *
-     * The sampling area is bounded by both samplingArea and the given stopLayerHandle
-     * (i.e., only layers behind the stop layer will be captured and sampled).
-     *
-     * Multiple listeners may be provided so long as they have independent listeners.
-     * If multiple listeners are provided, the effective sampling region for each listener will
-     * be bounded by whichever stop layer has a lower Z value.
-     *
-     * Requires the same permissions as captureLayers and captureScreen.
-     */
-    virtual status_t addRegionSamplingListener(const Rect& samplingArea,
-                                               const sp<IBinder>& stopLayerHandle,
-                                               const sp<IRegionSamplingListener>& listener) = 0;
-
-    /*
-     * Removes a listener that was streaming median luma updates from SurfaceFlinger.
-     */
-    virtual status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) = 0;
-
-    /* Registers a listener that streams fps updates from SurfaceFlinger.
-     *
-     * The listener will stream fps updates for the layer tree rooted at the layer denoted by the
-     * task ID, i.e., the layer must have the task ID as part of its layer metadata with key
-     * METADATA_TASK_ID. If there is no such layer, then no fps is expected to be reported.
-     *
-     * Multiple listeners may be supported.
-     *
-     * Requires the READ_FRAME_BUFFER permission.
-     */
-    virtual status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) = 0;
-    /*
-     * Removes a listener that was streaming fps updates from SurfaceFlinger.
-     */
-    virtual status_t removeFpsListener(const sp<gui::IFpsListener>& listener) = 0;
-
-    /* Registers a listener to receive tunnel mode enabled updates from SurfaceFlinger.
-     *
-     * Requires ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) = 0;
-
-    /*
-     * Removes a listener that was receiving tunnel mode enabled updates from SurfaceFlinger.
-     *
-     * Requires ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) = 0;
-
-    /* Sets the refresh rate boundaries for the display.
-     *
-     * The primary refresh rate range represents display manager's general guidance on the display
-     * modes we'll consider when switching refresh rates. Unless we get an explicit signal from an
-     * app, we should stay within this range.
-     *
-     * The app request refresh rate range allows us to consider more display modes when switching
-     * refresh rates. Although we should generally stay within the primary range, specific
-     * considerations, such as layer frame rate settings specified via the setFrameRate() api, may
-     * cause us to go outside the primary range. We never go outside the app request range. The app
-     * request range will be greater than or equal to the primary refresh rate range, never smaller.
-     *
-     * defaultMode is used to narrow the list of display modes SurfaceFlinger will consider
-     * switching between. Only modes with a mode group and resolution matching defaultMode
-     * will be considered for switching. The defaultMode corresponds to an ID of mode in the list
-     * of supported modes returned from getDynamicDisplayInfo().
-     */
-    virtual status_t setDesiredDisplayModeSpecs(
-            const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode,
-            bool allowGroupSwitching, float primaryRefreshRateMin, float primaryRefreshRateMax,
-            float appRequestRefreshRateMin, float appRequestRefreshRateMax) = 0;
-
-    virtual status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                                ui::DisplayModeId* outDefaultMode,
-                                                bool* outAllowGroupSwitching,
-                                                float* outPrimaryRefreshRateMin,
-                                                float* outPrimaryRefreshRateMax,
-                                                float* outAppRequestRefreshRateMin,
-                                                float* outAppRequestRefreshRateMax) = 0;
-
-    /*
-     * Sets the global configuration for all the shadows drawn by SurfaceFlinger. Shadow follows
-     * material design guidelines.
-     *
-     * ambientColor
-     *      Color to the ambient shadow. The alpha is premultiplied.
-     *
-     * spotColor
-     *      Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
-     *      depends on the light position.
-     *
-     * lightPosY/lightPosZ
-     *      Position of the light used to cast the spot shadow. The X value is always the display
-     *      width / 2.
-     *
-     * lightRadius
-     *      Radius of the light casting the shadow.
-     */
-    virtual status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                             float lightPosY, float lightPosZ,
-                                             float lightRadius) = 0;
-
-    /*
-     * Gets whether a display supports DISPLAY_DECORATION layers.
-     *
-     * displayToken
-     *      The token of the display.
-     * outSupport
-     *      An output parameter for whether/how the display supports
-     *      DISPLAY_DECORATION layers.
-     *
-     * Returns NO_ERROR upon success. Otherwise,
-     *      NAME_NOT_FOUND if the display is invalid, or
-     *      BAD_VALUE      if the output parameter is invalid.
-     */
-    virtual status_t getDisplayDecorationSupport(
-            const sp<IBinder>& displayToken,
-            std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
-                    outSupport) const = 0;
-
-    /*
-     * Sets the intended frame rate for a surface. See ANativeWindow_setFrameRate() for more info.
-     */
-    virtual status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                                  int8_t compatibility, int8_t changeFrameRateStrategy) = 0;
-
-    /*
-     * Set the override frame rate for a specified uid by GameManagerService.
-     * Passing the frame rate and uid to SurfaceFlinger to update the override mapping
-     * in the scheduler.
-     */
-    virtual status_t setOverrideFrameRate(uid_t uid, float frameRate) = 0;
-
-    /*
-     * Sets the frame timeline vsync info received from choreographer that corresponds to next
-     * buffer submitted on that surface.
-     */
-    virtual status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                          const FrameTimelineInfo& frameTimelineInfo) = 0;
-
-    /*
-     * Adds a TransactionTraceListener to listen for transaction tracing state updates.
-     */
-    virtual status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) = 0;
-
-    /**
-     * Gets priority of the RenderEngine in SurfaceFlinger.
-     */
-    virtual int getGPUContextPriority() = 0;
-
-    /**
-     * Gets the number of buffers SurfaceFlinger would need acquire. This number
-     * would be propagated to the client via MIN_UNDEQUEUED_BUFFERS so that the
-     * client could allocate enough buffers to match SF expectations of the
-     * pipeline depth. SurfaceFlinger will make sure that it will give the app at
-     * least the time configured as the 'appDuration' before trying to latch
-     * the buffer.
-     *
-     * The total buffers needed for a given configuration is basically the
-     * numbers of vsyncs a single buffer is used across the stack. For the default
-     * configuration a buffer is held ~1 vsync by the app, ~1 vsync by SurfaceFlinger
-     * and 1 vsync by the display. The extra buffers are calculated as the
-     * number of additional buffers on top of the 2 buffers already present
-     * in MIN_UNDEQUEUED_BUFFERS.
-     */
-    virtual status_t getMaxAcquiredBufferCount(int* buffers) const = 0;
-
-    virtual status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const = 0;
-    virtual status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const = 0;
 };
 
 // ----------------------------------------------------------------------------
@@ -442,77 +126,77 @@ public:
         // Note: BOOT_FINISHED must remain this value, it is called from
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
-        CREATE_CONNECTION,
-        GET_STATIC_DISPLAY_INFO,
-        CREATE_DISPLAY_EVENT_CONNECTION,
-        CREATE_DISPLAY,             // Deprecated. Autogenerated by .aidl now.
-        DESTROY_DISPLAY,            // Deprecated. Autogenerated by .aidl now.
-        GET_PHYSICAL_DISPLAY_TOKEN, // Deprecated. Autogenerated by .aidl now.
+        CREATE_CONNECTION,               // Deprecated. Autogenerated by .aidl now.
+        GET_STATIC_DISPLAY_INFO,         // Deprecated. Autogenerated by .aidl now.
+        CREATE_DISPLAY_EVENT_CONNECTION, // Deprecated. Autogenerated by .aidl now.
+        CREATE_DISPLAY,                  // Deprecated. Autogenerated by .aidl now.
+        DESTROY_DISPLAY,                 // Deprecated. Autogenerated by .aidl now.
+        GET_PHYSICAL_DISPLAY_TOKEN,      // Deprecated. Autogenerated by .aidl now.
         SET_TRANSACTION_STATE,
-        AUTHENTICATE_SURFACE,
-        GET_SUPPORTED_FRAME_TIMESTAMPS,
-        GET_DISPLAY_MODES,       // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_ACTIVE_DISPLAY_MODE, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        AUTHENTICATE_SURFACE,           // Deprecated. Autogenerated by .aidl now.
+        GET_SUPPORTED_FRAME_TIMESTAMPS, // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_MODES,              // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_ACTIVE_DISPLAY_MODE,        // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         GET_DISPLAY_STATE,
-        CAPTURE_DISPLAY, // Deprecated. Autogenerated by .aidl now.
-        CAPTURE_LAYERS,  // Deprecated. Autogenerated by .aidl now.
-        CLEAR_ANIMATION_FRAME_STATS,
-        GET_ANIMATION_FRAME_STATS,
-        SET_POWER_MODE, // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_DISPLAY,             // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_LAYERS,              // Deprecated. Autogenerated by .aidl now.
+        CLEAR_ANIMATION_FRAME_STATS, // Deprecated. Autogenerated by .aidl now.
+        GET_ANIMATION_FRAME_STATS,   // Deprecated. Autogenerated by .aidl now.
+        SET_POWER_MODE,              // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAY_STATS,
-        GET_HDR_CAPABILITIES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_DISPLAY_COLOR_MODES, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_ACTIVE_COLOR_MODE,   // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        SET_ACTIVE_COLOR_MODE,
-        ENABLE_VSYNC_INJECTIONS,
-        INJECT_VSYNC,
-        GET_LAYER_DEBUG_INFO,
-        GET_COMPOSITION_PREFERENCE,
-        GET_COLOR_MANAGEMENT,
-        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,
+        GET_HDR_CAPABILITIES,       // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_DISPLAY_COLOR_MODES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_ACTIVE_COLOR_MODE,      // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        SET_ACTIVE_COLOR_MODE,      // Deprecated. Autogenerated by .aidl now.
+        ENABLE_VSYNC_INJECTIONS,    // Deprecated. Autogenerated by .aidl now.
+        INJECT_VSYNC,               // Deprecated. Autogenerated by .aidl now.
+        GET_LAYER_DEBUG_INFO,       // Deprecated. Autogenerated by .aidl now.
+        GET_COMPOSITION_PREFERENCE, // Deprecated. Autogenerated by .aidl now.
+        GET_COLOR_MANAGEMENT,       // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES, // Deprecated. Autogenerated by .aidl now.
+        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,      // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAYED_CONTENT_SAMPLE,
-        GET_PROTECTED_CONTENT_SUPPORT,
-        IS_WIDE_COLOR_DISPLAY, // Deprecated. Autogenerated by .aidl now.
-        GET_DISPLAY_NATIVE_PRIMARIES,
-        GET_PHYSICAL_DISPLAY_IDS, // Deprecated. Autogenerated by .aidl now.
-        ADD_REGION_SAMPLING_LISTENER,
-        REMOVE_REGION_SAMPLING_LISTENER,
-        SET_DESIRED_DISPLAY_MODE_SPECS,
-        GET_DESIRED_DISPLAY_MODE_SPECS,
-        GET_DISPLAY_BRIGHTNESS_SUPPORT, // Deprecated. Autogenerated by .aidl now.
-        SET_DISPLAY_BRIGHTNESS,         // Deprecated. Autogenerated by .aidl now.
-        CAPTURE_DISPLAY_BY_ID,          // Deprecated. Autogenerated by .aidl now.
-        NOTIFY_POWER_BOOST,             // Deprecated. Autogenerated by .aidl now.
+        GET_PROTECTED_CONTENT_SUPPORT,   // Deprecated. Autogenerated by .aidl now.
+        IS_WIDE_COLOR_DISPLAY,           // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_NATIVE_PRIMARIES,    // Deprecated. Autogenerated by .aidl now.
+        GET_PHYSICAL_DISPLAY_IDS,        // Deprecated. Autogenerated by .aidl now.
+        ADD_REGION_SAMPLING_LISTENER,    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_REGION_SAMPLING_LISTENER, // Deprecated. Autogenerated by .aidl now.
+        SET_DESIRED_DISPLAY_MODE_SPECS,  // Deprecated. Autogenerated by .aidl now.
+        GET_DESIRED_DISPLAY_MODE_SPECS,  // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_BRIGHTNESS_SUPPORT,  // Deprecated. Autogenerated by .aidl now.
+        SET_DISPLAY_BRIGHTNESS,          // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_DISPLAY_BY_ID,           // Deprecated. Autogenerated by .aidl now.
+        NOTIFY_POWER_BOOST,              // Deprecated. Autogenerated by .aidl now.
         SET_GLOBAL_SHADOW_SETTINGS,
         GET_AUTO_LOW_LATENCY_MODE_SUPPORT, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         SET_AUTO_LOW_LATENCY_MODE,         // Deprecated. Autogenerated by .aidl now.
         GET_GAME_CONTENT_TYPE_SUPPORT,     // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         SET_GAME_CONTENT_TYPE,             // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        SET_FRAME_RATE,
+        SET_FRAME_RATE,                    // Deprecated. Autogenerated by .aidl now.
         // Deprecated. Use DisplayManager.setShouldAlwaysRespectAppRequestedMode(true);
         ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN,
-        SET_FRAME_TIMELINE_INFO,
-        ADD_TRANSACTION_TRACE_LISTENER,
+        SET_FRAME_TIMELINE_INFO,        // Deprecated. Autogenerated by .aidl now.
+        ADD_TRANSACTION_TRACE_LISTENER, // Deprecated. Autogenerated by .aidl now.
         GET_GPU_CONTEXT_PRIORITY,
         GET_MAX_ACQUIRED_BUFFER_COUNT,
-        GET_DYNAMIC_DISPLAY_INFO,
-        ADD_FPS_LISTENER,
-        REMOVE_FPS_LISTENER,
-        OVERRIDE_HDR_TYPES,
-        ADD_HDR_LAYER_INFO_LISTENER,    // Deprecated. Autogenerated by .aidl now.
-        REMOVE_HDR_LAYER_INFO_LISTENER, // Deprecated. Autogenerated by .aidl now.
-        ON_PULL_ATOM,
-        ADD_TUNNEL_MODE_ENABLED_LISTENER,
-        REMOVE_TUNNEL_MODE_ENABLED_LISTENER,
-        ADD_WINDOW_INFOS_LISTENER,
-        REMOVE_WINDOW_INFOS_LISTENER,
-        GET_PRIMARY_PHYSICAL_DISPLAY_ID, // Deprecated. Autogenerated by .aidl now.
+        GET_DYNAMIC_DISPLAY_INFO,            // Deprecated. Autogenerated by .aidl now.
+        ADD_FPS_LISTENER,                    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_FPS_LISTENER,                 // Deprecated. Autogenerated by .aidl now.
+        OVERRIDE_HDR_TYPES,                  // Deprecated. Autogenerated by .aidl now.
+        ADD_HDR_LAYER_INFO_LISTENER,         // Deprecated. Autogenerated by .aidl now.
+        REMOVE_HDR_LAYER_INFO_LISTENER,      // Deprecated. Autogenerated by .aidl now.
+        ON_PULL_ATOM,                        // Deprecated. Autogenerated by .aidl now.
+        ADD_TUNNEL_MODE_ENABLED_LISTENER,    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_TUNNEL_MODE_ENABLED_LISTENER, // Deprecated. Autogenerated by .aidl now.
+        ADD_WINDOW_INFOS_LISTENER,           // Deprecated. Autogenerated by .aidl now.
+        REMOVE_WINDOW_INFOS_LISTENER,        // Deprecated. Autogenerated by .aidl now.
+        GET_PRIMARY_PHYSICAL_DISPLAY_ID,     // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAY_DECORATION_SUPPORT,
         GET_BOOT_DISPLAY_MODE_SUPPORT, // Deprecated. Autogenerated by .aidl now.
-        SET_BOOT_DISPLAY_MODE,
-        CLEAR_BOOT_DISPLAY_MODE, // Deprecated. Autogenerated by .aidl now.
-        SET_OVERRIDE_FRAME_RATE,
+        SET_BOOT_DISPLAY_MODE,         // Deprecated. Autogenerated by .aidl now.
+        CLEAR_BOOT_DISPLAY_MODE,       // Deprecated. Autogenerated by .aidl now.
+        SET_OVERRIDE_FRAME_RATE,       // Deprecated. Autogenerated by .aidl now.
         // Always append new enum to the end.
     };
 
diff --git a/libs/gui/include/gui/ISurfaceComposerClient.h b/libs/gui/include/gui/ISurfaceComposerClient.h
deleted file mode 100644
index 9e9e191480..0000000000
--- a/libs/gui/include/gui/ISurfaceComposerClient.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <binder/IInterface.h>
-#include <binder/SafeInterface.h>
-#include <gui/LayerMetadata.h>
-#include <ui/PixelFormat.h>
-
-#include <unordered_map>
-
-namespace android {
-
-class FrameStats;
-class IGraphicBufferProducer;
-
-class ISurfaceComposerClient : public IInterface {
-public:
-    DECLARE_META_INTERFACE(SurfaceComposerClient)
-
-    // flags for createSurface()
-    enum { // (keep in sync with SurfaceControl.java)
-        eHidden = 0x00000004,
-        eDestroyBackbuffer = 0x00000020,
-        eSkipScreenshot = 0x00000040,
-        eSecure = 0x00000080,
-        eNonPremultiplied = 0x00000100,
-        eOpaque = 0x00000400,
-        eProtectedByApp = 0x00000800,
-        eProtectedByDRM = 0x00001000,
-        eCursorWindow = 0x00002000,
-        eNoColorFill = 0x00004000,
-
-        eFXSurfaceBufferQueue = 0x00000000,
-        eFXSurfaceEffect = 0x00020000,
-        eFXSurfaceBufferState = 0x00040000,
-        eFXSurfaceContainer = 0x00080000,
-        eFXSurfaceMask = 0x000F0000,
-    };
-
-    // TODO(b/172002646):  Clean up the Surface Creation Arguments
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
-                                   uint32_t flags, const sp<IBinder>& parent,
-                                   LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                   uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
-                                             PixelFormat format, uint32_t flags,
-                                             const sp<IGraphicBufferProducer>& parent,
-                                             LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                             uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const = 0;
-
-    virtual status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                                   int32_t* outLayerId) = 0;
-};
-
-class BnSurfaceComposerClient : public SafeBnInterface<ISurfaceComposerClient> {
-public:
-    BnSurfaceComposerClient()
-          : SafeBnInterface<ISurfaceComposerClient>("BnSurfaceComposerClient") {}
-
-    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
-};
-
-} // namespace android
diff --git a/libs/gui/include/gui/JankInfo.h b/libs/gui/include/gui/JankInfo.h
index ce9716f1fe..1dddeba616 100644
--- a/libs/gui/include/gui/JankInfo.h
+++ b/libs/gui/include/gui/JankInfo.h
@@ -24,9 +24,9 @@ enum JankType {
     None = 0x0,
     // Jank that occurs in the layers below SurfaceFlinger
     DisplayHAL = 0x1,
-    // SF took too long on the CPU
+    // SF took too long on the CPU; deadline missed during HWC
     SurfaceFlingerCpuDeadlineMissed = 0x2,
-    // SF took too long on the GPU
+    // SF took too long on the GPU; deadline missed during GPU composition
     SurfaceFlingerGpuDeadlineMissed = 0x4,
     // Either App or GPU took too long on the frame
     AppDeadlineMissed = 0x8,
diff --git a/libs/gui/include/gui/LayerDebugInfo.h b/libs/gui/include/gui/LayerDebugInfo.h
index af834d78df..dbb80e583c 100644
--- a/libs/gui/include/gui/LayerDebugInfo.h
+++ b/libs/gui/include/gui/LayerDebugInfo.h
@@ -25,7 +25,7 @@
 #include <string>
 #include <math/vec4.h>
 
-namespace android {
+namespace android::gui {
 
 /* Class for transporting debug info from SurfaceFlinger to authorized
  * recipients.  The class is intended to be a data container. There are
@@ -52,7 +52,7 @@ public:
     uint32_t mZ = 0 ;
     int32_t mWidth = -1;
     int32_t mHeight = -1;
-    Rect mCrop = Rect::INVALID_RECT;
+    android::Rect mCrop = android::Rect::INVALID_RECT;
     half4 mColor = half4(1.0_hf, 1.0_hf, 1.0_hf, 0.0_hf);
     uint32_t mFlags = 0;
     PixelFormat mPixelFormat = PIXEL_FORMAT_NONE;
@@ -71,4 +71,4 @@ public:
 
 std::string to_string(const LayerDebugInfo& info);
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/include/gui/LayerMetadata.h b/libs/gui/include/gui/LayerMetadata.h
index 27f4d379e9..9cf62bc7d6 100644
--- a/libs/gui/include/gui/LayerMetadata.h
+++ b/libs/gui/include/gui/LayerMetadata.h
@@ -20,7 +20,7 @@
 
 #include <unordered_map>
 
-namespace android {
+namespace android::gui {
 
 enum {
     METADATA_OWNER_UID = 1,
@@ -30,7 +30,8 @@ enum {
     METADATA_ACCESSIBILITY_ID = 5,
     METADATA_OWNER_PID = 6,
     METADATA_DEQUEUE_TIME = 7,
-    METADATA_GAME_MODE = 8
+    METADATA_GAME_MODE = 8,
+    METADATA_CALLING_UID = 9,
 };
 
 struct LayerMetadata : public Parcelable {
@@ -65,8 +66,18 @@ enum class GameMode : int32_t {
     Standard = 1,
     Performance = 2,
     Battery = 3,
+    Custom = 4,
 
-    ftl_last = Battery
+    ftl_last = Custom
 };
 
-} // namespace android
+} // namespace android::gui
+
+using android::gui::METADATA_ACCESSIBILITY_ID;
+using android::gui::METADATA_DEQUEUE_TIME;
+using android::gui::METADATA_GAME_MODE;
+using android::gui::METADATA_MOUSE_CURSOR;
+using android::gui::METADATA_OWNER_PID;
+using android::gui::METADATA_OWNER_UID;
+using android::gui::METADATA_TASK_ID;
+using android::gui::METADATA_WINDOW_TYPE;
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 0a9b75a7f1..c5fdf82d4f 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -21,9 +21,10 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <android/gui/ITransactionCompletedListener.h>
+#include <android/gui/IWindowInfosReportedListener.h>
 #include <android/native_window.h>
 #include <gui/IGraphicBufferProducer.h>
-#include <gui/ITransactionCompletedListener.h>
 #include <math/mat4.h>
 
 #include <android/gui/DropInputMode.h>
@@ -34,6 +35,7 @@
 #include <gui/ISurfaceComposer.h>
 #include <gui/LayerCaptureArgs.h>
 #include <gui/LayerMetadata.h>
+#include <gui/ReleaseCallbackId.h>
 #include <gui/SpHash.h>
 #include <gui/SurfaceControl.h>
 #include <gui/WindowInfo.h>
@@ -51,7 +53,12 @@
 namespace android {
 
 class Parcel;
-class ISurfaceComposerClient;
+
+using gui::ISurfaceComposerClient;
+using gui::LayerMetadata;
+
+using gui::ITransactionCompletedListener;
+using gui::ReleaseCallbackId;
 
 struct client_cache_t {
     wp<IBinder> token = nullptr;
@@ -130,7 +137,7 @@ struct layer_state_t {
         eLayerOpaque = 0x02,         // SURFACE_OPAQUE
         eLayerSkipScreenshot = 0x40, // SKIP_SCREENSHOT
         eLayerSecure = 0x80,         // SECURE
-        // Queue up BufferStateLayer buffers instead of dropping the oldest buffer when this flag is
+        // Queue up layer buffers instead of dropping the oldest buffer when this flag is
         // set. This blocks the client until all the buffers have been presented. If the buffers
         // have presentation timestamps, then we may drop buffers.
         eEnableBackpressure = 0x100,       // ENABLE_BACKPRESSURE
@@ -145,25 +152,27 @@ struct layer_state_t {
     enum {
         ePositionChanged = 0x00000001,
         eLayerChanged = 0x00000002,
-        eSizeChanged = 0x00000004,
+        /* unused = 0x00000004, */
         eAlphaChanged = 0x00000008,
         eMatrixChanged = 0x00000010,
         eTransparentRegionChanged = 0x00000020,
         eFlagsChanged = 0x00000040,
         eLayerStackChanged = 0x00000080,
+        /* unused = 0x00000100, */
+        /* unused = 0x00000200, */
         eDimmingEnabledChanged = 0x00000400,
         eShadowRadiusChanged = 0x00000800,
-        /* unused 0x00001000, */
+        eRenderBorderChanged = 0x00001000,
         eBufferCropChanged = 0x00002000,
         eRelativeLayerChanged = 0x00004000,
         eReparent = 0x00008000,
         eColorChanged = 0x00010000,
-        eDestroySurface = 0x00020000,
-        eTransformChanged = 0x00040000,
+        /* unused = 0x00020000, */
+        eBufferTransformChanged = 0x00040000,
         eTransformToDisplayInverseChanged = 0x00080000,
         eCropChanged = 0x00100000,
         eBufferChanged = 0x00200000,
-        /* unused 0x00400000, */
+        eDefaultFrameRateCompatibilityChanged = 0x00400000,
         eDataspaceChanged = 0x00800000,
         eHdrMetadataChanged = 0x01000000,
         eSurfaceDamageRegionChanged = 0x02000000,
@@ -196,7 +205,32 @@ struct layer_state_t {
     void merge(const layer_state_t& other);
     status_t write(Parcel& output) const;
     status_t read(const Parcel& input);
+    // Compares two layer_state_t structs and returns a set of change flags describing all the
+    // states that are different.
+    uint64_t diff(const layer_state_t& other) const;
     bool hasBufferChanges() const;
+
+    // Changes to the tree structure.
+    static constexpr uint64_t HIERARCHY_CHANGES = layer_state_t::eLayerChanged |
+            layer_state_t::eRelativeLayerChanged | layer_state_t::eReparent |
+            layer_state_t::eBackgroundColorChanged;
+    // Content updates.
+    static constexpr uint64_t CONTENT_CHANGES = layer_state_t::eAlphaChanged |
+            layer_state_t::eTransparentRegionChanged | layer_state_t::eShadowRadiusChanged |
+            layer_state_t::eRenderBorderChanged | layer_state_t::eColorChanged |
+            layer_state_t::eBufferChanged | layer_state_t::eDataspaceChanged |
+            layer_state_t::eApiChanged | layer_state_t::eSidebandStreamChanged |
+            layer_state_t::eColorTransformChanged | layer_state_t::eCornerRadiusChanged |
+            layer_state_t::eBackgroundColorChanged | layer_state_t::eColorSpaceAgnosticChanged |
+            layer_state_t::eBackgroundBlurRadiusChanged | layer_state_t::eBlurRegionsChanged |
+            layer_state_t::eAutoRefreshChanged | layer_state_t::eStretchChanged;
+    // Changes to content or children size.
+    static constexpr uint64_t GEOMETRY_CHANGES = layer_state_t::ePositionChanged |
+            layer_state_t::eMatrixChanged | layer_state_t::eTransparentRegionChanged |
+            layer_state_t::eBufferCropChanged | layer_state_t::eBufferTransformChanged |
+            layer_state_t::eTransformToDisplayInverseChanged | layer_state_t::eCropChanged |
+            layer_state_t::eDestinationFrameChanged;
+
     bool hasValidBuffer() const;
     void sanitize(int32_t permissions);
 
@@ -207,6 +241,11 @@ struct layer_state_t {
         float dsdy{0};
         status_t write(Parcel& output) const;
         status_t read(const Parcel& input);
+        inline bool operator==(const matrix22_t& other) const {
+            return std::tie(dsdx, dtdx, dtdy, dsdy) ==
+                    std::tie(other.dsdx, other.dtdx, other.dtdy, other.dsdy);
+        }
+        inline bool operator!=(const matrix22_t& other) const { return !(*this == other); }
     };
     sp<IBinder> surface;
     int32_t layerId;
@@ -214,28 +253,23 @@ struct layer_state_t {
     float x;
     float y;
     int32_t z;
-    uint32_t w;
-    uint32_t h;
     ui::LayerStack layerStack = ui::DEFAULT_LAYER_STACK;
-    float alpha;
     uint32_t flags;
     uint32_t mask;
     uint8_t reserved;
     matrix22_t matrix;
     float cornerRadius;
     uint32_t backgroundBlurRadius;
-    sp<SurfaceControl> reparentSurfaceControl;
 
     sp<SurfaceControl> relativeLayerSurfaceControl;
 
     sp<SurfaceControl> parentSurfaceControlForChild;
 
-    half3 color;
+    half4 color;
 
     // non POD must be last. see write/read
     Region transparentRegion;
-
-    uint32_t transform;
+    uint32_t bufferTransform;
     bool transformToDisplayInverse;
     Rect crop;
     std::shared_ptr<BufferData> bufferData = nullptr;
@@ -247,7 +281,7 @@ struct layer_state_t {
     mat4 colorTransform;
     std::vector<BlurRegion> blurRegions;
 
-    sp<gui::WindowInfoHandle> windowInfoHandle = new gui::WindowInfoHandle();
+    sp<gui::WindowInfoHandle> windowInfoHandle = sp<gui::WindowInfoHandle>::make();
 
     LayerMetadata metadata;
 
@@ -273,6 +307,9 @@ struct layer_state_t {
     int8_t frameRateCompatibility;
     int8_t changeFrameRateStrategy;
 
+    // Default frame rate compatibility used to set the layer refresh rate votetype.
+    int8_t defaultFrameRateCompatibility;
+
     // Set by window manager indicating the layer and all its children are
     // in a different orientation than the display. The hint suggests that
     // the graphic producers should receive a transform hint as if the
@@ -291,6 +328,11 @@ struct layer_state_t {
     // should be trusted for input occlusion detection purposes
     bool isTrustedOverlay;
 
+    // Flag to indicate if border needs to be enabled on the layer
+    bool borderEnabled;
+    float borderWidth;
+    half4 borderColor;
+
     // Stretch effect to be applied to this layer
     StretchEffect stretchEffect;
 
@@ -303,7 +345,8 @@ struct layer_state_t {
     bool dimmingEnabled;
 };
 
-struct ComposerState {
+class ComposerState {
+public:
     layer_state_t state;
     status_t write(Parcel& output) const;
     status_t read(const Parcel& input);
@@ -320,6 +363,7 @@ struct DisplayState {
 
     DisplayState();
     void merge(const DisplayState& other);
+    void sanitize(int32_t permissions);
 
     uint32_t what = 0;
     uint32_t flags = 0;
@@ -352,7 +396,9 @@ struct DisplayState {
 
 struct InputWindowCommands {
     std::vector<gui::FocusRequest> focusRequests;
-    bool syncInputWindows{false};
+    std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                       SpHash<gui::IWindowInfosReportedListener>>
+            windowInfosReportedListeners;
 
     // Merges the passed in commands and returns true if there were any changes.
     bool merge(const InputWindowCommands& other);
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ListenerStats.h
index cc136bb40a..3a12802146 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ListenerStats.h
@@ -24,6 +24,8 @@
 #include <binder/SafeInterface.h>
 
 #include <gui/FrameTimestamps.h>
+#include <gui/ReleaseCallbackId.h>
+
 #include <ui/Fence.h>
 #include <utils/Timers.h>
 
@@ -32,10 +34,7 @@
 #include <unordered_set>
 #include <variant>
 
-namespace android {
-
-class ITransactionCompletedListener;
-class ListenerCallbacks;
+namespace android::gui {
 
 class CallbackId : public Parcelable {
 public:
@@ -54,30 +53,6 @@ struct CallbackIdHash {
     std::size_t operator()(const CallbackId& key) const { return std::hash<int64_t>()(key.id); }
 };
 
-class ReleaseCallbackId : public Parcelable {
-public:
-    static const ReleaseCallbackId INVALID_ID;
-
-    uint64_t bufferId;
-    uint64_t framenumber;
-    ReleaseCallbackId() {}
-    ReleaseCallbackId(uint64_t bufferId, uint64_t framenumber)
-          : bufferId(bufferId), framenumber(framenumber) {}
-    status_t writeToParcel(Parcel* output) const override;
-    status_t readFromParcel(const Parcel* input) override;
-
-    bool operator==(const ReleaseCallbackId& rhs) const {
-        return bufferId == rhs.bufferId && framenumber == rhs.framenumber;
-    }
-    bool operator!=(const ReleaseCallbackId& rhs) const { return !operator==(rhs); }
-    std::string to_string() const {
-        if (*this == INVALID_ID) return "INVALID_ID";
-
-        return "bufferId:" + std::to_string(bufferId) +
-                " framenumber:" + std::to_string(framenumber);
-    }
-};
-
 struct ReleaseBufferCallbackIdHash {
     std::size_t operator()(const ReleaseCallbackId& key) const {
         return std::hash<uint64_t>()(key.bufferId);
@@ -132,7 +107,7 @@ public:
 
     SurfaceStats() = default;
     SurfaceStats(const sp<IBinder>& sc, std::variant<nsecs_t, sp<Fence>> acquireTimeOrFence,
-                 const sp<Fence>& prevReleaseFence, uint32_t hint,
+                 const sp<Fence>& prevReleaseFence, std::optional<uint32_t> hint,
                  uint32_t currentMaxAcquiredBuffersCount, FrameEventHistoryStats frameEventStats,
                  std::vector<JankData> jankData, ReleaseCallbackId previousReleaseCallbackId)
           : surfaceControl(sc),
@@ -147,7 +122,7 @@ public:
     sp<IBinder> surfaceControl;
     std::variant<nsecs_t, sp<Fence>> acquireTimeOrFence = -1;
     sp<Fence> previousReleaseFence;
-    uint32_t transformHint = 0;
+    std::optional<uint32_t> transformHint = 0;
     uint32_t currentMaxAcquiredBufferCount = 0;
     FrameEventHistoryStats eventStats;
     std::vector<JankData> jankData;
@@ -186,26 +161,6 @@ public:
     std::vector<TransactionStats> transactionStats;
 };
 
-class ITransactionCompletedListener : public IInterface {
-public:
-    DECLARE_META_INTERFACE(TransactionCompletedListener)
-
-    virtual void onTransactionCompleted(ListenerStats stats) = 0;
-
-    virtual void onReleaseBuffer(ReleaseCallbackId callbackId, sp<Fence> releaseFence,
-                                 uint32_t currentMaxAcquiredBufferCount) = 0;
-    virtual void onTransactionQueueStalled() = 0;
-};
-
-class BnTransactionCompletedListener : public SafeBnInterface<ITransactionCompletedListener> {
-public:
-    BnTransactionCompletedListener()
-          : SafeBnInterface<ITransactionCompletedListener>("BnTransactionCompletedListener") {}
-
-    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply,
-                        uint32_t flags = 0) override;
-};
-
 class ListenerCallbacks {
 public:
     ListenerCallbacks(const sp<IBinder>& listener,
@@ -267,4 +222,4 @@ struct ListenerCallbacksHash {
     }
 };
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/include/gui/ReleaseCallbackId.h b/libs/gui/include/gui/ReleaseCallbackId.h
new file mode 100644
index 0000000000..142ee5a727
--- /dev/null
+++ b/libs/gui/include/gui/ReleaseCallbackId.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
+
+#include <cstdint>
+
+namespace android::gui {
+
+class ReleaseCallbackId : public Parcelable {
+public:
+    static const ReleaseCallbackId INVALID_ID;
+
+    uint64_t bufferId;
+    uint64_t framenumber;
+    ReleaseCallbackId() {}
+    ReleaseCallbackId(uint64_t bufferId, uint64_t framenumber)
+          : bufferId(bufferId), framenumber(framenumber) {}
+    status_t writeToParcel(Parcel* output) const override;
+    status_t readFromParcel(const Parcel* input) override;
+
+    bool operator==(const ReleaseCallbackId& rhs) const {
+        return bufferId == rhs.bufferId && framenumber == rhs.framenumber;
+    }
+    bool operator!=(const ReleaseCallbackId& rhs) const { return !operator==(rhs); }
+    std::string to_string() const {
+        if (*this == INVALID_ID) return "INVALID_ID";
+
+        return "bufferId:" + std::to_string(bufferId) +
+                " framenumber:" + std::to_string(framenumber);
+    }
+};
+
+} // namespace android::gui
diff --git a/libs/gui/include/gui/ScreenCaptureResults.h b/libs/gui/include/gui/ScreenCaptureResults.h
index 724c11c881..6e17791a29 100644
--- a/libs/gui/include/gui/ScreenCaptureResults.h
+++ b/libs/gui/include/gui/ScreenCaptureResults.h
@@ -19,6 +19,7 @@
 #include <binder/Parcel.h>
 #include <binder/Parcelable.h>
 #include <ui/Fence.h>
+#include <ui/FenceResult.h>
 #include <ui/GraphicBuffer.h>
 
 namespace android::gui {
@@ -31,11 +32,10 @@ public:
     status_t readFromParcel(const android::Parcel* parcel) override;
 
     sp<GraphicBuffer> buffer;
-    sp<Fence> fence = Fence::NO_FENCE;
+    FenceResult fenceResult = Fence::NO_FENCE;
     bool capturedSecureLayers{false};
     bool capturedHdrLayers{false};
     ui::Dataspace capturedDataspace{ui::Dataspace::V0_SRGB};
-    status_t result = OK;
 };
 
 } // namespace android::gui
diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h
index 862a4adf2e..b9ccdc9124 100644
--- a/libs/gui/include/gui/Surface.h
+++ b/libs/gui/include/gui/Surface.h
@@ -17,8 +17,8 @@
 #ifndef ANDROID_GUI_SURFACE_H
 #define ANDROID_GUI_SURFACE_H
 
+#include <android/gui/FrameTimelineInfo.h>
 #include <gui/BufferQueueDefs.h>
-#include <gui/FrameTimelineInfo.h>
 #include <gui/HdrMetadata.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/IProducerListener.h>
@@ -41,6 +41,8 @@ class ISurfaceComposer;
 
 class ISurfaceComposer;
 
+using gui::FrameTimelineInfo;
+
 /* This is the same as ProducerListener except that onBuffersDiscarded is
  * called with a vector of graphic buffers instead of buffer slots.
  */
@@ -111,6 +113,24 @@ public:
         return surface != nullptr && surface->getIGraphicBufferProducer() != nullptr;
     }
 
+    static sp<IGraphicBufferProducer> getIGraphicBufferProducer(ANativeWindow* window) {
+        int val;
+        if (window->query(window, NATIVE_WINDOW_CONCRETE_TYPE, &val) >= 0 &&
+            val == NATIVE_WINDOW_SURFACE) {
+            return ((Surface*) window)->mGraphicBufferProducer;
+        }
+        return nullptr;
+    }
+
+    static sp<IBinder> getSurfaceControlHandle(ANativeWindow* window) {
+        int val;
+        if (window->query(window, NATIVE_WINDOW_CONCRETE_TYPE, &val) >= 0 &&
+            val == NATIVE_WINDOW_SURFACE) {
+            return ((Surface*) window)->mSurfaceControlHandle;
+        }
+        return nullptr;
+    }
+
     /* Attaches a sideband buffer stream to the Surface's IGraphicBufferProducer.
      *
      * A sideband stream is a device-specific mechanism for passing buffers
@@ -185,8 +205,8 @@ public:
             nsecs_t* outDisplayPresentTime, nsecs_t* outDequeueReadyTime,
             nsecs_t* outReleaseTime);
 
-    status_t getWideColorSupport(bool* supported);
-    status_t getHdrSupport(bool* supported);
+    status_t getWideColorSupport(bool* supported) __attribute__((__deprecated__));
+    status_t getHdrSupport(bool* supported) __attribute__((__deprecated__));
 
     status_t getUniqueId(uint64_t* outId) const;
     status_t getConsumerUsage(uint64_t* outUsage) const;
@@ -283,6 +303,10 @@ private:
     int dispatchGetLastQueuedBuffer2(va_list args);
     int dispatchSetFrameTimelineInfo(va_list args);
 
+    std::mutex mNameMutex;
+    std::string mName;
+    const char* getDebugName();
+
 protected:
     virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
     virtual int cancelBuffer(ANativeWindowBuffer* buffer, int fenceFd);
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 9033e17c53..96d3a23bec 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -38,11 +38,17 @@
 #include <ui/GraphicTypes.h>
 #include <ui/PixelFormat.h>
 #include <ui/Rotation.h>
+#include <ui/StaticDisplayInfo.h>
+
+#include <android/gui/ISurfaceComposerClient.h>
+
+#include <android/gui/BnTransactionCompletedListener.h>
 
 #include <gui/CpuConsumer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ITransactionCompletedListener.h>
 #include <gui/LayerState.h>
+#include <gui/ListenerStats.h>
+#include <gui/ReleaseCallbackId.h>
 #include <gui/SurfaceControl.h>
 #include <gui/WindowInfosListenerReporter.h>
 #include <math/vec3.h>
@@ -52,20 +58,31 @@
 namespace android {
 
 class HdrCapabilities;
-class ISurfaceComposerClient;
 class IGraphicBufferProducer;
 class ITunnelModeEnabledListener;
 class Region;
 
+using gui::BnTransactionCompletedListener;
+using gui::CallbackId;
+using gui::CallbackIdHash;
 using gui::DisplayCaptureArgs;
+using gui::FrameEventHistoryStats;
 using gui::IRegionSamplingListener;
+using gui::ISurfaceComposerClient;
+using gui::ITransactionCompletedListener;
+using gui::JankData;
 using gui::LayerCaptureArgs;
+using gui::LayerMetadata;
+using gui::ListenerStats;
+using gui::ReleaseBufferCallbackIdHash;
+using gui::ReleaseCallbackId;
+using gui::SurfaceStats;
 
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t latchTime,
                         std::variant<nsecs_t, sp<Fence>> acquireTimeOrFence,
                         const sp<Fence>& presentFence, const sp<Fence>& prevReleaseFence,
-                        uint32_t hint, FrameEventHistoryStats eventStats,
+                        std::optional<uint32_t> hint, FrameEventHistoryStats eventStats,
                         uint32_t currentMaxAcquiredBufferCount)
           : surfaceControl(sc),
             latchTime(latchTime),
@@ -81,7 +98,7 @@ struct SurfaceControlStats {
     std::variant<nsecs_t, sp<Fence>> acquireTimeOrFence = -1;
     sp<Fence> presentFence;
     sp<Fence> previousReleaseFence;
-    uint32_t transformHint = 0;
+    std::optional<uint32_t> transformHint = 0;
     FrameEventHistoryStats frameEventStats;
     uint32_t currentMaxAcquiredBufferCount = 0;
 };
@@ -145,28 +162,21 @@ public:
     static status_t getDisplayState(const sp<IBinder>& display, ui::DisplayState*);
 
     // Get immutable information about given physical display.
-    static status_t getStaticDisplayInfo(const sp<IBinder>& display, ui::StaticDisplayInfo*);
+    static status_t getStaticDisplayInfo(int64_t, ui::StaticDisplayInfo*);
 
-    // Get dynamic information about given physical display.
-    static status_t getDynamicDisplayInfo(const sp<IBinder>& display, ui::DynamicDisplayInfo*);
+    // Get dynamic information about given physical display from display id
+    static status_t getDynamicDisplayInfoFromId(int64_t, ui::DynamicDisplayInfo*);
 
     // Shorthand for the active display mode from getDynamicDisplayInfo().
     // TODO(b/180391891): Update clients to use getDynamicDisplayInfo and remove this function.
     static status_t getActiveDisplayMode(const sp<IBinder>& display, ui::DisplayMode*);
 
     // Sets the refresh rate boundaries for the display.
-    static status_t setDesiredDisplayModeSpecs(
-            const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode,
-            bool allowGroupSwitching, float primaryRefreshRateMin, float primaryRefreshRateMax,
-            float appRequestRefreshRateMin, float appRequestRefreshRateMax);
+    static status_t setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                               const gui::DisplayModeSpecs&);
     // Gets the refresh rate boundaries for the display.
     static status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                               ui::DisplayModeId* outDefaultMode,
-                                               bool* outAllowGroupSwitching,
-                                               float* outPrimaryRefreshRateMin,
-                                               float* outPrimaryRefreshRateMax,
-                                               float* outAppRequestRefreshRateMin,
-                                               float* outAppRequestRefreshRateMax);
+                                               gui::DisplayModeSpecs*);
 
     // Get the coordinates of the display's native color primaries
     static status_t getDisplayNativePrimaries(const sp<IBinder>& display,
@@ -178,6 +188,10 @@ public:
 
     // Gets if boot display mode operations are supported on a device
     static status_t getBootDisplayModeSupport(bool* support);
+
+    // Gets the overlay properties of the device
+    static status_t getOverlaySupport(gui::OverlayProperties* outProperties);
+
     // Sets the user-preferred display mode that a device should boot in
     static status_t setBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId);
     // Clears the user-preferred display mode
@@ -218,7 +232,7 @@ public:
     /**
      * Gets the context priority of surface flinger's render engine.
      */
-    static int getGPUContextPriority();
+    static int getGpuContextPriority();
 
     /**
      * Uncaches a buffer in ISurfaceComposer. It must be uncached via a transaction so that it is
@@ -314,7 +328,7 @@ public:
                                      uint32_t w,          // width in pixel
                                      uint32_t h,          // height in pixel
                                      PixelFormat format,  // pixel-format desired
-                                     uint32_t flags = 0,  // usage flags
+                                     int32_t flags = 0,   // usage flags
                                      const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                      LayerMetadata metadata = LayerMetadata(),  // metadata
                                      uint32_t* outTransformHint = nullptr);
@@ -324,21 +338,11 @@ public:
                                   uint32_t h,          // height in pixel
                                   PixelFormat format,  // pixel-format desired
                                   sp<SurfaceControl>* outSurface,
-                                  uint32_t flags = 0,                        // usage flags
+                                  int32_t flags = 0,                         // usage flags
                                   const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                   LayerMetadata metadata = LayerMetadata(),  // metadata
                                   uint32_t* outTransformHint = nullptr);
 
-    //! Create a surface
-    sp<SurfaceControl> createWithSurfaceParent(const String8& name,       // name of the surface
-                                               uint32_t w,                // width in pixel
-                                               uint32_t h,                // height in pixel
-                                               PixelFormat format,        // pixel-format desired
-                                               uint32_t flags = 0,        // usage flags
-                                               Surface* parent = nullptr, // parent
-                                               LayerMetadata metadata = LayerMetadata(), // metadata
-                                               uint32_t* outTransformHint = nullptr);
-
     // Creates a mirrored hierarchy for the mirrorFromSurface. This returns a SurfaceControl
     // which is a parent of the root of the mirrored hierarchy.
     //
@@ -350,6 +354,8 @@ public:
     //      B               B'
     sp<SurfaceControl> mirrorSurface(SurfaceControl* mirrorFromSurface);
 
+    sp<SurfaceControl> mirrorDisplay(DisplayId displayId);
+
     //! Create a virtual display
     static sp<IBinder> createDisplay(const String8& displayName, bool secure);
 
@@ -358,16 +364,9 @@ public:
 
     //! Get stable IDs for connected physical displays
     static std::vector<PhysicalDisplayId> getPhysicalDisplayIds();
-    static status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*);
-    static std::optional<PhysicalDisplayId> getInternalDisplayId();
 
     //! Get token for a physical display given its stable ID
     static sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId);
-    static sp<IBinder> getInternalDisplayToken();
-
-    static status_t enableVSyncInjections(bool enable);
-
-    static status_t injectVSync(nsecs_t when);
 
     struct SCHash {
         std::size_t operator()(const sp<SurfaceControl>& sc) const {
@@ -398,7 +397,10 @@ public:
 
     class Transaction : public Parcelable {
     private:
+        static sp<IBinder> sApplyToken;
         void releaseBufferIfOverwriting(const layer_state_t& state);
+        static void mergeFrameTimelineInfo(FrameTimelineInfo& t, const FrameTimelineInfo& other);
+        static void clearFrameTimelineInfo(FrameTimelineInfo& t);
 
     protected:
         std::unordered_map<sp<IBinder>, ComposerState, IBinderHash> mComposerStates;
@@ -408,14 +410,15 @@ public:
 
         uint64_t mId;
 
-        uint32_t mForceSynchronous = 0;
         uint32_t mTransactionNestCount = 0;
         bool mAnimation = false;
         bool mEarlyWakeupStart = false;
         bool mEarlyWakeupEnd = false;
 
-        // Indicates that the Transaction contains a buffer that should be cached
-        bool mContainsBuffer = false;
+        // Indicates that the Transaction may contain buffers that should be cached. The reason this
+        // is only a guess is that buffers can be removed before cache is called. This is only a
+        // hint that at some point a buffer was added to this transaction before apply was called.
+        bool mMayContainBuffer = false;
 
         // mDesiredPresentTime is the time in nanoseconds that the client would like the transaction
         // to be presented. When it is not possible to present at exactly that time, it will be
@@ -474,10 +477,9 @@ public:
         Transaction& merge(Transaction&& other);
         Transaction& show(const sp<SurfaceControl>& sc);
         Transaction& hide(const sp<SurfaceControl>& sc);
-        Transaction& setPosition(const sp<SurfaceControl>& sc,
-                float x, float y);
-        Transaction& setSize(const sp<SurfaceControl>& sc,
-                uint32_t w, uint32_t h);
+        Transaction& setPosition(const sp<SurfaceControl>& sc, float x, float y);
+        // b/243180033 remove once functions are not called from vendor code
+        Transaction& setSize(const sp<SurfaceControl>&, uint32_t, uint32_t) { return *this; }
         Transaction& setLayer(const sp<SurfaceControl>& sc,
                 int32_t z);
 
@@ -577,7 +579,9 @@ public:
 
         Transaction& setInputWindowInfo(const sp<SurfaceControl>& sc, const gui::WindowInfo& info);
         Transaction& setFocusedWindow(const gui::FocusRequest& request);
-        Transaction& syncInputWindows();
+
+        Transaction& addWindowInfosReportedListener(
+                sp<gui::IWindowInfosReportedListener> windowInfosReportedListener);
 
         // Set a color transform matrix on the given layer on the built-in display.
         Transaction& setColorTransform(const sp<SurfaceControl>& sc, const mat3& matrix,
@@ -590,6 +594,9 @@ public:
         Transaction& setFrameRate(const sp<SurfaceControl>& sc, float frameRate,
                                   int8_t compatibility, int8_t changeFrameRateStrategy);
 
+        Transaction& setDefaultFrameRateCompatibility(const sp<SurfaceControl>& sc,
+                                                      int8_t compatibility);
+
         // Set by window manager indicating the layer and all its children are
         // in a different orientation than the display. The hint suggests that
         // the graphic producers should receive a transform hint as if the
@@ -636,6 +643,9 @@ public:
                                          const Rect& destinationFrame);
         Transaction& setDropInputMode(const sp<SurfaceControl>& sc, gui::DropInputMode mode);
 
+        Transaction& enableBorder(const sp<SurfaceControl>& sc, bool shouldEnable, float width,
+                                  const half4& color);
+
         status_t setDisplaySurface(const sp<IBinder>& token,
                 const sp<IGraphicBufferProducer>& bufferProducer);
 
@@ -667,6 +677,9 @@ public:
          * TODO (b/213644870): Remove all permissioned things from Transaction
          */
         void sanitize();
+
+        static sp<IBinder> getDefaultApplyToken();
+        static void setDefaultApplyToken(sp<IBinder> applyToken);
     };
 
     status_t clearLayerFrameStats(const sp<IBinder>& token) const;
@@ -714,6 +727,12 @@ protected:
     ReleaseCallbackThread mReleaseCallbackThread;
 
 private:
+    // Get dynamic information about given physical display from token
+    static status_t getDynamicDisplayInfoFromToken(const sp<IBinder>& display,
+                                                   ui::DynamicDisplayInfo*);
+
+    static void getDynamicDisplayInfoInternal(gui::DynamicDisplayInfo& ginfo,
+                                              ui::DynamicDisplayInfo*& outInfo);
     virtual void onFirstRef();
 
     mutable     Mutex                       mLock;
@@ -779,7 +798,7 @@ protected:
     // This is protected by mSurfaceStatsListenerMutex, but GUARDED_BY isn't supported for
     // std::recursive_mutex
     std::multimap<int32_t, SurfaceStatsCallbackEntry> mSurfaceStatsListeners;
-    std::unordered_map<void*, std::function<void()>> mQueueStallListeners;
+    std::unordered_map<void*, std::function<void(const std::string&)>> mQueueStallListeners;
 
 public:
     static sp<TransactionCompletedListener> getInstance();
@@ -797,7 +816,7 @@ public:
             const sp<SurfaceControl>& surfaceControl,
             const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds);
 
-    void addQueueStallListener(std::function<void()> stallListener, void* id);
+    void addQueueStallListener(std::function<void(const std::string&)> stallListener, void* id);
     void removeQueueStallListener(void *id);
 
     /*
@@ -819,17 +838,17 @@ public:
     void setReleaseBufferCallback(const ReleaseCallbackId&, ReleaseBufferCallback);
 
     // BnTransactionCompletedListener overrides
-    void onTransactionCompleted(ListenerStats stats) override;
-    void onReleaseBuffer(ReleaseCallbackId, sp<Fence> releaseFence,
-                         uint32_t currentMaxAcquiredBufferCount) override;
+    binder::Status onTransactionCompleted(const ListenerStats& stats) override;
+    binder::Status onReleaseBuffer(const ReleaseCallbackId& callbackId,
+                                   const std::optional<os::ParcelFileDescriptor>& releaseFenceFd,
+                                   int32_t currentMaxAcquiredBufferCount) override;
+    binder::Status onTransactionQueueStalled(const std::string& reason) override;
 
     void removeReleaseBufferCallback(const ReleaseCallbackId& callbackId);
 
     // For Testing Only
     static void setInstance(const sp<TransactionCompletedListener>&);
 
-    void onTransactionQueueStalled() override;
-
 private:
     ReleaseBufferCallback popReleaseBufferCallbackLocked(const ReleaseCallbackId&);
     static sp<TransactionCompletedListener> sInstance;
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index b72cf8390e..1d4fc7f06d 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -24,11 +24,12 @@
 #include <utils/RefBase.h>
 #include <utils/threads.h>
 
+#include <android/gui/ISurfaceComposerClient.h>
+
 #include <ui/FrameStats.h>
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
 
-#include <gui/ISurfaceComposerClient.h>
 #include <math/vec3.h>
 
 namespace android {
@@ -77,6 +78,7 @@ public:
     sp<IBinder> getHandle() const;
     sp<IBinder> getLayerStateHandle() const;
     int32_t getLayerId() const;
+    const std::string& getName() const;
 
     sp<IGraphicBufferProducer> getIGraphicBufferProducer();
 
@@ -93,9 +95,9 @@ public:
     explicit SurfaceControl(const sp<SurfaceControl>& other);
 
     SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                   const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                   uint32_t width = 0, uint32_t height = 0, PixelFormat format = 0,
-                   uint32_t transformHint = 0, uint32_t flags = 0);
+                   int32_t layerId, const std::string& layerName, uint32_t width = 0,
+                   uint32_t height = 0, PixelFormat format = 0, uint32_t transformHint = 0,
+                   uint32_t flags = 0);
 
     sp<SurfaceControl> getParentingLayer();
 
@@ -115,13 +117,13 @@ private:
     status_t validate() const;
 
     sp<SurfaceComposerClient>   mClient;
-    sp<IBinder>                 mHandle;
-    sp<IGraphicBufferProducer>  mGraphicBufferProducer;
+    sp<IBinder> mHandle;
     mutable Mutex               mLock;
     mutable sp<Surface>         mSurfaceData;
     mutable sp<BLASTBufferQueue> mBbq;
     mutable sp<SurfaceControl> mBbqChild;
     int32_t mLayerId = 0;
+    std::string mName;
     uint32_t mTransformHint = 0;
     uint32_t mWidth = 0;
     uint32_t mHeight = 0;
diff --git a/libs/gui/include/gui/SyncScreenCaptureListener.h b/libs/gui/include/gui/SyncScreenCaptureListener.h
index 0784fbc058..bcf565a494 100644
--- a/libs/gui/include/gui/SyncScreenCaptureListener.h
+++ b/libs/gui/include/gui/SyncScreenCaptureListener.h
@@ -34,7 +34,9 @@ public:
     ScreenCaptureResults waitForResults() {
         std::future<ScreenCaptureResults> resultsFuture = resultsPromise.get_future();
         const auto screenCaptureResults = resultsFuture.get();
-        screenCaptureResults.fence->waitForever("");
+        if (screenCaptureResults.fenceResult.ok()) {
+            screenCaptureResults.fenceResult.value()->waitForever("");
+        }
         return screenCaptureResults;
     }
 
@@ -42,4 +44,4 @@ private:
     std::promise<ScreenCaptureResults> resultsPromise;
 };
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/libs/gui/include/gui/TraceUtils.h b/libs/gui/include/gui/TraceUtils.h
index e5d268445c..441b833b5d 100644
--- a/libs/gui/include/gui/TraceUtils.h
+++ b/libs/gui/include/gui/TraceUtils.h
@@ -21,11 +21,20 @@
 #include <cutils/trace.h>
 #include <utils/Trace.h>
 
-#define ATRACE_FORMAT(fmt, ...)           \
-    TraceUtils::TraceEnder __traceEnder = \
-            (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), TraceUtils::TraceEnder())
+#define ATRACE_FORMAT(fmt, ...)                                                 \
+    TraceUtils::TraceEnder traceEnder =                                         \
+            (CC_UNLIKELY(ATRACE_ENABLED()) &&                                   \
+                     (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), true), \
+             TraceUtils::TraceEnder())
 
-#define ATRACE_FORMAT_BEGIN(fmt, ...) TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__)
+#define ATRACE_FORMAT_INSTANT(fmt, ...) \
+    (CC_UNLIKELY(ATRACE_ENABLED()) && (TraceUtils::instantFormat(fmt, ##__VA_ARGS__), true))
+
+#define ALOGE_AND_TRACE(fmt, ...)                  \
+    do {                                           \
+        ALOGE(fmt, ##__VA_ARGS__);                 \
+        ATRACE_FORMAT_INSTANT(fmt, ##__VA_ARGS__); \
+    } while (false)
 
 namespace android {
 
@@ -37,8 +46,6 @@ public:
     };
 
     static void atraceFormatBegin(const char* fmt, ...) {
-        if (CC_LIKELY(!ATRACE_ENABLED())) return;
-
         const int BUFFER_SIZE = 256;
         va_list ap;
         char buf[BUFFER_SIZE];
@@ -50,6 +57,17 @@ public:
         ATRACE_BEGIN(buf);
     }
 
-}; // class TraceUtils
+    static void instantFormat(const char* fmt, ...) {
+        const int BUFFER_SIZE = 256;
+        va_list ap;
+        char buf[BUFFER_SIZE];
+
+        va_start(ap, fmt);
+        vsnprintf(buf, BUFFER_SIZE, fmt, ap);
+        va_end(ap);
+
+        ATRACE_INSTANT(buf);
+    }
+};
 
-} /* namespace android */
+} // namespace android
diff --git a/libs/gui/include/gui/VsyncEventData.h b/libs/gui/include/gui/VsyncEventData.h
index 8e99539fe9..dfdae214d2 100644
--- a/libs/gui/include/gui/VsyncEventData.h
+++ b/libs/gui/include/gui/VsyncEventData.h
@@ -16,7 +16,7 @@
 
 #pragma once
 
-#include <gui/FrameTimelineInfo.h>
+#include <android/gui/FrameTimelineInfo.h>
 
 #include <array>
 
diff --git a/libs/gui/include/gui/WindowInfo.h b/libs/gui/include/gui/WindowInfo.h
index 169f7f022b..b01a3db52d 100644
--- a/libs/gui/include/gui/WindowInfo.h
+++ b/libs/gui/include/gui/WindowInfo.h
@@ -171,6 +171,8 @@ struct WindowInfo : public Parcelable {
                 static_cast<uint32_t>(os::InputConfig::SPY),
         INTERCEPTS_STYLUS =
                 static_cast<uint32_t>(os::InputConfig::INTERCEPTS_STYLUS),
+        CLONE =
+                static_cast<uint32_t>(os::InputConfig::CLONE),
         // clang-format on
     };
 
@@ -236,8 +238,6 @@ struct WindowInfo : public Parcelable {
 
     void setInputConfig(ftl::Flags<InputConfig> config, bool value);
 
-    bool isClone = false;
-
     void addTouchableRegion(const Rect& region);
 
     bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
@@ -272,6 +272,7 @@ public:
     WindowInfoHandle(const WindowInfo& other);
 
     inline const WindowInfo* getInfo() const { return &mInfo; }
+    inline WindowInfo* editInfo() { return &mInfo; }
 
     sp<IBinder> getToken() const;
 
diff --git a/libs/gui/include/gui/WindowInfosListenerReporter.h b/libs/gui/include/gui/WindowInfosListenerReporter.h
index 3b4aed442e..2754442a95 100644
--- a/libs/gui/include/gui/WindowInfosListenerReporter.h
+++ b/libs/gui/include/gui/WindowInfosListenerReporter.h
@@ -17,15 +17,14 @@
 #pragma once
 
 #include <android/gui/BnWindowInfosListener.h>
+#include <android/gui/ISurfaceComposer.h>
 #include <android/gui/IWindowInfosReportedListener.h>
 #include <binder/IBinder.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/SpHash.h>
 #include <gui/WindowInfosListener.h>
 #include <unordered_set>
 
 namespace android {
-class ISurfaceComposer;
 
 class WindowInfosListenerReporter : public gui::BnWindowInfosListener {
 public:
@@ -33,17 +32,17 @@ public:
     binder::Status onWindowInfosChanged(const std::vector<gui::WindowInfo>&,
                                         const std::vector<gui::DisplayInfo>&,
                                         const sp<gui::IWindowInfosReportedListener>&) override;
-
     status_t addWindowInfosListener(
-            const sp<gui::WindowInfosListener>& windowInfosListener, const sp<ISurfaceComposer>&,
+            const sp<gui::WindowInfosListener>& windowInfosListener,
+            const sp<gui::ISurfaceComposer>&,
             std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo);
     status_t removeWindowInfosListener(const sp<gui::WindowInfosListener>& windowInfosListener,
-                                       const sp<ISurfaceComposer>& surfaceComposer);
-    void reconnect(const sp<ISurfaceComposer>&);
+                                       const sp<gui::ISurfaceComposer>& surfaceComposer);
+    void reconnect(const sp<gui::ISurfaceComposer>&);
 
 private:
     std::mutex mListenersMutex;
-    std::unordered_set<sp<gui::WindowInfosListener>, SpHash<gui::WindowInfosListener>>
+    std::unordered_set<sp<gui::WindowInfosListener>, gui::SpHash<gui::WindowInfosListener>>
             mWindowInfosListeners GUARDED_BY(mListenersMutex);
 
     std::vector<gui::WindowInfo> mLastWindowInfos GUARDED_BY(mListenersMutex);
diff --git a/libs/gui/include/gui/fake/BufferData.h b/libs/gui/include/gui/fake/BufferData.h
new file mode 100644
index 0000000000..725d11c313
--- /dev/null
+++ b/libs/gui/include/gui/fake/BufferData.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <gui/LayerState.h>
+
+namespace android::fake {
+
+// Class which exposes buffer properties from BufferData without holding on to an actual buffer
+class BufferData : public android::BufferData {
+public:
+    BufferData(uint64_t bufferId, uint32_t width, uint32_t height, int32_t pixelFormat,
+               uint64_t outUsage)
+          : mBufferId(bufferId),
+            mWidth(width),
+            mHeight(height),
+            mPixelFormat(pixelFormat),
+            mOutUsage(outUsage) {}
+    bool hasBuffer() const override { return mBufferId != 0; }
+    bool hasSameBuffer(const android::BufferData& other) const override {
+        return getId() == other.getId() && frameNumber == other.frameNumber;
+    }
+    uint32_t getWidth() const override { return mWidth; }
+    uint32_t getHeight() const override { return mHeight; }
+    uint64_t getId() const override { return mBufferId; }
+    PixelFormat getPixelFormat() const override { return mPixelFormat; }
+    uint64_t getUsage() const override { return mOutUsage; }
+
+private:
+    uint64_t mBufferId;
+    uint32_t mWidth;
+    uint32_t mHeight;
+    int32_t mPixelFormat;
+    uint64_t mOutUsage;
+};
+
+} // namespace android::fake
diff --git a/libs/gui/include/private/gui/ComposerServiceAIDL.h b/libs/gui/include/private/gui/ComposerServiceAIDL.h
index 9a96976c0f..6352a5851c 100644
--- a/libs/gui/include/private/gui/ComposerServiceAIDL.h
+++ b/libs/gui/include/private/gui/ComposerServiceAIDL.h
@@ -20,6 +20,7 @@
 #include <sys/types.h>
 
 #include <android/gui/ISurfaceComposer.h>
+#include <ui/DisplayId.h>
 
 #include <utils/Singleton.h>
 #include <utils/StrongPointer.h>
@@ -50,28 +51,6 @@ public:
     // Get a connection to the Composer Service.  This will block until
     // a connection is established. Returns null if permission is denied.
     static sp<gui::ISurfaceComposer> getComposerService();
-
-    // the following two methods are moved from ISurfaceComposer.h
-    // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
-    std::optional<PhysicalDisplayId> getInternalDisplayId() const {
-        std::vector<int64_t> displayIds;
-        binder::Status status = mComposerService->getPhysicalDisplayIds(&displayIds);
-        return (!status.isOk() || displayIds.empty())
-                ? std::nullopt
-                : DisplayId::fromValue<PhysicalDisplayId>(
-                          static_cast<uint64_t>(displayIds.front()));
-    }
-
-    // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
-    sp<IBinder> getInternalDisplayToken() const {
-        const auto displayId = getInternalDisplayId();
-        if (!displayId) return nullptr;
-        sp<IBinder> display;
-        binder::Status status =
-                mComposerService->getPhysicalDisplayToken(static_cast<int64_t>(displayId->value),
-                                                          &display);
-        return status.isOk() ? display : nullptr;
-    }
 };
 
 // ---------------------------------------------------------------------------
diff --git a/libs/gui/tests/Android.bp b/libs/gui/tests/Android.bp
index fa54c7d1f6..183acc12cc 100644
--- a/libs/gui/tests/Android.bp
+++ b/libs/gui/tests/Android.bp
@@ -24,6 +24,7 @@ cc_test {
         "BLASTBufferQueue_test.cpp",
         "BufferItemConsumer_test.cpp",
         "BufferQueue_test.cpp",
+        "CompositorTiming_test.cpp",
         "CpuConsumer_test.cpp",
         "EndToEndNativeInputTest.cpp",
         "DisplayInfo_test.cpp",
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index b993289e6a..cf2593dc81 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -19,6 +19,7 @@
 #include <gui/BLASTBufferQueue.h>
 
 #include <android/hardware/graphics/common/1.2/types.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferQueueCore.h>
 #include <gui/BufferQueueProducer.h>
 #include <gui/FrameTimestamps.h>
@@ -187,7 +188,10 @@ protected:
     void SetUp() {
         mComposer = ComposerService::getComposerService();
         mClient = new SurfaceComposerClient();
-        mDisplayToken = mClient->getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        // display 0 is picked as this test is not much display depedent
+        mDisplayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_NE(nullptr, mDisplayToken.get());
         Transaction t;
         t.setDisplayLayerStack(mDisplayToken, ui::DEFAULT_LAYER_STACK);
@@ -305,11 +309,12 @@ protected:
 
         const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = gui::aidl_utils::statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     void queueBuffer(sp<IGraphicBufferProducer> igbp, uint8_t r, uint8_t g, uint8_t b,
@@ -1146,6 +1151,7 @@ TEST_F(BLASTBufferQueueTest, SyncNextTransactionDropBuffer) {
     ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
     ASSERT_NO_FATAL_FAILURE(
             checkScreenCapture(r, g, b, {0, 0, (int32_t)mDisplayWidth, (int32_t)mDisplayHeight}));
+    sync.apply();
 }
 
 // This test will currently fail because the old surfacecontrol will steal the last presented buffer
diff --git a/libs/gui/tests/CompositorTiming_test.cpp b/libs/gui/tests/CompositorTiming_test.cpp
new file mode 100644
index 0000000000..d8bb21d582
--- /dev/null
+++ b/libs/gui/tests/CompositorTiming_test.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <gui/CompositorTiming.h>
+
+namespace android::test {
+namespace {
+
+constexpr nsecs_t kMillisecond = 1'000'000;
+constexpr nsecs_t kVsyncPeriod = 8'333'333;
+constexpr nsecs_t kVsyncPhase = -2'166'667;
+constexpr nsecs_t kIdealLatency = -kVsyncPhase;
+
+} // namespace
+
+TEST(CompositorTimingTest, InvalidVsyncPeriod) {
+    const nsecs_t vsyncDeadline = systemTime();
+    constexpr nsecs_t kInvalidVsyncPeriod = -1;
+
+    const gui::CompositorTiming timing(vsyncDeadline, kInvalidVsyncPeriod, kVsyncPhase,
+                                       kIdealLatency);
+
+    EXPECT_EQ(timing.deadline, 0);
+    EXPECT_EQ(timing.interval, gui::CompositorTiming::kDefaultVsyncPeriod);
+    EXPECT_EQ(timing.presentLatency, gui::CompositorTiming::kDefaultVsyncPeriod);
+}
+
+TEST(CompositorTimingTest, PresentLatencySnapping) {
+    for (nsecs_t presentDelay = 0, compositeTime = systemTime(); presentDelay < 10 * kVsyncPeriod;
+         presentDelay += kMillisecond, compositeTime += kVsyncPeriod) {
+        const nsecs_t presentLatency = kIdealLatency + presentDelay;
+        const nsecs_t vsyncDeadline = compositeTime + presentLatency + kVsyncPeriod;
+
+        const gui::CompositorTiming timing(vsyncDeadline, kVsyncPeriod, kVsyncPhase,
+                                           presentLatency);
+
+        EXPECT_EQ(timing.deadline, compositeTime + presentDelay + kVsyncPeriod);
+        EXPECT_EQ(timing.interval, kVsyncPeriod);
+
+        // The presentDelay should be rounded to a multiple of the VSYNC period, such that the
+        // remainder (presentLatency % interval) always evaluates to the VSYNC phase offset.
+        EXPECT_GE(timing.presentLatency, kIdealLatency);
+        EXPECT_EQ(timing.presentLatency % timing.interval, kIdealLatency);
+    }
+}
+
+} // namespace android::test
diff --git a/libs/gui/tests/DisplayedContentSampling_test.cpp b/libs/gui/tests/DisplayedContentSampling_test.cpp
index b647aaba8f..0a2750a4dd 100644
--- a/libs/gui/tests/DisplayedContentSampling_test.cpp
+++ b/libs/gui/tests/DisplayedContentSampling_test.cpp
@@ -32,7 +32,10 @@ protected:
     void SetUp() {
         mComposerClient = new SurfaceComposerClient;
         ASSERT_EQ(OK, mComposerClient->initCheck());
-        mDisplayToken = mComposerClient->getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        // display 0 is picked for now, can extend to support all displays if needed
+        mDisplayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_TRUE(mDisplayToken);
     }
 
diff --git a/libs/gui/tests/EndToEndNativeInputTest.cpp b/libs/gui/tests/EndToEndNativeInputTest.cpp
index 2637f59b5e..3344e0b690 100644
--- a/libs/gui/tests/EndToEndNativeInputTest.cpp
+++ b/libs/gui/tests/EndToEndNativeInputTest.cpp
@@ -360,8 +360,10 @@ public:
     void SetUp() {
         mComposerClient = new SurfaceComposerClient;
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-
-        const auto display = mComposerClient->getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        // display 0 is picked for now, can extend to support all displays if needed
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_NE(display, nullptr);
 
         ui::DisplayMode mode;
diff --git a/libs/gui/tests/RegionSampling_test.cpp b/libs/gui/tests/RegionSampling_test.cpp
index c9106bed4c..b18b544257 100644
--- a/libs/gui/tests/RegionSampling_test.cpp
+++ b/libs/gui/tests/RegionSampling_test.cpp
@@ -19,14 +19,16 @@
 
 #include <android/gui/BnRegionSamplingListener.h>
 #include <binder/ProcessState.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/DisplayEventReceiver.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <utils/Looper.h>
 
 using namespace std::chrono_literals;
+using android::gui::aidl_utils::statusTFromBinderStatus;
 
 namespace android::test {
 
@@ -242,24 +244,33 @@ protected:
 };
 
 TEST_F(RegionSamplingTest, invalidLayerHandle_doesNotCrash) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     // Passing in composer service as the layer handle should not crash, we'll
     // treat it as a layer that no longer exists and silently allow sampling to
     // occur.
-    status_t status = composer->addRegionSamplingListener(sampleArea,
-                                                          IInterface::asBinder(composer), listener);
-    ASSERT_EQ(NO_ERROR, status);
+    binder::Status status =
+            composer->addRegionSamplingListener(sampleArea, IInterface::asBinder(composer),
+                                                listener);
+    ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     composer->removeRegionSamplingListener(listener);
 }
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLuma) {
     fill_render(rgba_green);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
 
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
@@ -271,9 +282,13 @@ TEST_F(RegionSamplingTest, DISABLED_CollectsLuma) {
 TEST_F(RegionSamplingTest, DISABLED_CollectsChangingLuma) {
     fill_render(rgba_green);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
 
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
@@ -291,13 +306,21 @@ TEST_F(RegionSamplingTest, DISABLED_CollectsChangingLuma) {
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromTwoRegions) {
     fill_render(rgba_green);
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> greenListener = new Listener();
-    const Rect greenSampleArea{100, 100, 200, 200};
+    gui::ARect greenSampleArea;
+    greenSampleArea.left = 100;
+    greenSampleArea.top = 100;
+    greenSampleArea.right = 200;
+    greenSampleArea.bottom = 200;
     composer->addRegionSamplingListener(greenSampleArea, mTopLayer->getHandle(), greenListener);
 
     sp<Listener> grayListener = new Listener();
-    const Rect graySampleArea{500, 100, 600, 200};
+    gui::ARect graySampleArea;
+    graySampleArea.left = 500;
+    graySampleArea.top = 100;
+    graySampleArea.right = 600;
+    graySampleArea.bottom = 200;
     composer->addRegionSamplingListener(graySampleArea, mTopLayer->getHandle(), grayListener);
 
     EXPECT_TRUE(grayListener->wait_event(300ms))
@@ -312,29 +335,49 @@ TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromTwoRegions) {
 }
 
 TEST_F(RegionSamplingTest, DISABLED_TestIfInvalidInputParameters) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+
+    gui::ARect invalidRect;
+    invalidRect.left = Rect::INVALID_RECT.left;
+    invalidRect.top = Rect::INVALID_RECT.top;
+    invalidRect.right = Rect::INVALID_RECT.right;
+    invalidRect.bottom = Rect::INVALID_RECT.bottom;
+
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     // Invalid input sampleArea
     EXPECT_EQ(BAD_VALUE,
-              composer->addRegionSamplingListener(Rect::INVALID_RECT, mTopLayer->getHandle(),
-                                                  listener));
+              statusTFromBinderStatus(composer->addRegionSamplingListener(invalidRect,
+                                                                          mTopLayer->getHandle(),
+                                                                          listener)));
     listener->reset();
     // Invalid input binder
-    EXPECT_EQ(NO_ERROR, composer->addRegionSamplingListener(sampleArea, NULL, listener));
+    EXPECT_EQ(NO_ERROR,
+              statusTFromBinderStatus(
+                      composer->addRegionSamplingListener(sampleArea, NULL, listener)));
     // Invalid input listener
     EXPECT_EQ(BAD_VALUE,
-              composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), NULL));
-    EXPECT_EQ(BAD_VALUE, composer->removeRegionSamplingListener(NULL));
+              statusTFromBinderStatus(composer->addRegionSamplingListener(sampleArea,
+                                                                          mTopLayer->getHandle(),
+                                                                          NULL)));
+    EXPECT_EQ(BAD_VALUE, statusTFromBinderStatus(composer->removeRegionSamplingListener(NULL)));
     // remove the listener
     composer->removeRegionSamplingListener(listener);
 }
 
 TEST_F(RegionSamplingTest, DISABLED_TestCallbackAfterRemoveListener) {
     fill_render(rgba_green);
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
     fill_render(rgba_green);
 
@@ -349,13 +392,18 @@ TEST_F(RegionSamplingTest, DISABLED_TestCallbackAfterRemoveListener) {
 }
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromMovingLayer) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
     Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleAreaA;
+    sampleAreaA.left = sampleArea.left;
+    sampleAreaA.top = sampleArea.top;
+    sampleAreaA.right = sampleArea.right;
+    sampleAreaA.bottom = sampleArea.bottom;
 
     // Test: listener in (100, 100). See layer before move, no layer after move.
     fill_render(rgba_blue);
-    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    composer->addRegionSamplingListener(sampleAreaA, mTopLayer->getHandle(), listener);
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
     EXPECT_NEAR(listener->luma(), luma_blue, error_margin);
     listener->reset();
@@ -367,7 +415,11 @@ TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromMovingLayer) {
     // Test: listener offset to (600, 600). No layer before move, see layer after move.
     fill_render(rgba_green);
     sampleArea.offsetTo(600, 600);
-    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    sampleAreaA.left = sampleArea.left;
+    sampleAreaA.top = sampleArea.top;
+    sampleAreaA.right = sampleArea.right;
+    sampleAreaA.bottom = sampleArea.bottom;
+    composer->addRegionSamplingListener(sampleAreaA, mTopLayer->getHandle(), listener);
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
     EXPECT_NEAR(listener->luma(), luma_gray, error_margin);
     listener->reset();
diff --git a/libs/gui/tests/SamplingDemo.cpp b/libs/gui/tests/SamplingDemo.cpp
index a083a228a6..f98437b4f8 100644
--- a/libs/gui/tests/SamplingDemo.cpp
+++ b/libs/gui/tests/SamplingDemo.cpp
@@ -26,7 +26,7 @@
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <gui/SurfaceControl.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <utils/Trace.h>
 
 using namespace std::chrono_literals;
@@ -121,10 +121,22 @@ int main(int, const char**) {
     const Rect backButtonArea{200, 1606, 248, 1654};
     sp<android::Button> backButton = new android::Button("BackButton", backButtonArea);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
-    composer->addRegionSamplingListener(homeButtonArea, homeButton->getStopLayerHandle(),
+    gui::ARect homeButtonAreaA;
+    homeButtonAreaA.left = 490;
+    homeButtonAreaA.top = 1606;
+    homeButtonAreaA.right = 590;
+    homeButtonAreaA.bottom = 1654;
+
+    gui::ARect backButtonAreaA;
+    backButtonAreaA.left = 200;
+    backButtonAreaA.top = 1606;
+    backButtonAreaA.right = 248;
+    backButtonAreaA.bottom = 1654;
+
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
+    composer->addRegionSamplingListener(homeButtonAreaA, homeButton->getStopLayerHandle(),
                                         homeButton);
-    composer->addRegionSamplingListener(backButtonArea, backButton->getStopLayerHandle(),
+    composer->addRegionSamplingListener(backButtonAreaA, backButton->getStopLayerHandle(),
                                         backButton);
 
     ProcessState::self()->startThreadPool();
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 065cd7a5c7..55242dfd39 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -24,6 +24,7 @@
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <binder/ProcessState.h>
 #include <configstore/Utils.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItemConsumer.h>
 #include <gui/IProducerListener.h>
 #include <gui/ISurfaceComposer.h>
@@ -212,11 +213,12 @@ protected:
 
         const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = gui::aidl_utils::statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     sp<Surface> mSurface;
@@ -261,7 +263,10 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersDontSucceed) {
     sp<ANativeWindow> anw(mSurface);
 
     // Verify the screenshot works with no protected buffers.
-    const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+    // display 0 is picked for now, can extend to support all displays if needed
+    const sp<IBinder> display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     ASSERT_FALSE(display == nullptr);
 
     DisplayCaptureArgs captureArgs;
@@ -690,13 +695,8 @@ public:
         mSupportsPresent = supportsPresent;
     }
 
-    sp<ISurfaceComposerClient> createConnection() override { return nullptr; }
-    sp<IDisplayEventConnection> createDisplayEventConnection(
-            ISurfaceComposer::VsyncSource, ISurfaceComposer::EventRegistrationFlags) override {
-        return nullptr;
-    }
     status_t setTransactionState(const FrameTimelineInfo& /*frameTimelineInfo*/,
-                                 const Vector<ComposerState>& /*state*/,
+                                 Vector<ComposerState>& /*state*/,
                                  const Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
                                  const sp<IBinder>& /*applyToken*/,
                                  const InputWindowCommands& /*inputWindowCommands*/,
@@ -708,260 +708,229 @@ public:
         return NO_ERROR;
     }
 
-    void bootFinished() override {}
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& /*surface*/) const override {
-        return false;
-    }
+protected:
+    IBinder* onAsBinder() override { return nullptr; }
 
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported)
-            const override {
-        *outSupported = {
-                FrameEvent::REQUESTED_PRESENT,
-                FrameEvent::ACQUIRE,
-                FrameEvent::LATCH,
-                FrameEvent::FIRST_REFRESH_START,
-                FrameEvent::LAST_REFRESH_START,
-                FrameEvent::GPU_COMPOSITION_DONE,
-                FrameEvent::DEQUEUE_READY,
-                FrameEvent::RELEASE
-        };
-        if (mSupportsPresent) {
-            outSupported->push_back(
-                        FrameEvent::DISPLAY_PRESENT);
-        }
-        return NO_ERROR;
-    }
+private:
+    bool mSupportsPresent{true};
+};
 
-    status_t getStaticDisplayInfo(const sp<IBinder>& /*display*/, ui::StaticDisplayInfo*) override {
-        return NO_ERROR;
-    }
-    status_t getDynamicDisplayInfo(const sp<IBinder>& /*display*/,
-                                   ui::DynamicDisplayInfo*) override {
-        return NO_ERROR;
-    }
-    status_t getDisplayNativePrimaries(const sp<IBinder>& /*display*/,
-            ui::DisplayPrimaries& /*primaries*/) override {
-        return NO_ERROR;
-    }
-    status_t setActiveColorMode(const sp<IBinder>& /*display*/, ColorMode /*colorMode*/) override {
-        return NO_ERROR;
-    }
-    status_t setBootDisplayMode(const sp<IBinder>& /*display*/, ui::DisplayModeId /*id*/) override {
-        return NO_ERROR;
-    }
+class FakeSurfaceComposerAIDL : public gui::ISurfaceComposer {
+public:
+    ~FakeSurfaceComposerAIDL() override {}
 
-    status_t clearAnimationFrameStats() override { return NO_ERROR; }
-    status_t getAnimationFrameStats(FrameStats* /*outStats*/) const override {
-        return NO_ERROR;
-    }
-    status_t overrideHdrTypes(const sp<IBinder>& /*display*/,
-                              const std::vector<ui::Hdr>& /*hdrTypes*/) override {
-        return NO_ERROR;
-    }
-    status_t onPullAtom(const int32_t /*atomId*/, std::string* /*outData*/,
-                        bool* /*success*/) override {
-        return NO_ERROR;
-    }
-    status_t enableVSyncInjections(bool /*enable*/) override {
-        return NO_ERROR;
+    void setSupportsPresent(bool supportsPresent) { mSupportsPresent = supportsPresent; }
+
+    binder::Status bootFinished() override { return binder::Status::ok(); }
+
+    binder::Status createDisplayEventConnection(
+            VsyncSource /*vsyncSource*/, EventRegistration /*eventRegistration*/,
+            sp<gui::IDisplayEventConnection>* outConnection) override {
+        *outConnection = nullptr;
+        return binder::Status::ok();
     }
-    status_t injectVSync(nsecs_t /*when*/) override { return NO_ERROR; }
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* /*layers*/) override {
-        return NO_ERROR;
+
+    binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override {
+        *outClient = nullptr;
+        return binder::Status::ok();
     }
-    status_t getCompositionPreference(
-            ui::Dataspace* /*outDefaultDataspace*/, ui::PixelFormat* /*outDefaultPixelFormat*/,
-            ui::Dataspace* /*outWideColorGamutDataspace*/,
-            ui::PixelFormat* /*outWideColorGamutPixelFormat*/) const override {
-        return NO_ERROR;
+
+    binder::Status createDisplay(const std::string& /*displayName*/, bool /*secure*/,
+                                 sp<IBinder>* /*outDisplay*/) override {
+        return binder::Status::ok();
     }
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& /*display*/,
-                                                   ui::PixelFormat* /*outFormat*/,
-                                                   ui::Dataspace* /*outDataspace*/,
-                                                   uint8_t* /*outComponentMask*/) const override {
-        return NO_ERROR;
+
+    binder::Status destroyDisplay(const sp<IBinder>& /*display*/) override {
+        return binder::Status::ok();
     }
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
-                                              uint8_t /*componentMask*/,
-                                              uint64_t /*maxFrames*/) override {
-        return NO_ERROR;
+
+    binder::Status getPhysicalDisplayIds(std::vector<int64_t>* /*outDisplayIds*/) override {
+        return binder::Status::ok();
     }
-    status_t getDisplayedContentSample(const sp<IBinder>& /*display*/, uint64_t /*maxFrames*/,
-                                       uint64_t /*timestamp*/,
-                                       DisplayedFrameStats* /*outStats*/) const override {
-        return NO_ERROR;
+
+    binder::Status getPhysicalDisplayToken(int64_t /*displayId*/,
+                                           sp<IBinder>* /*outDisplay*/) override {
+        return binder::Status::ok();
     }
 
-    status_t getColorManagement(bool* /*outGetColorManagement*/) const override { return NO_ERROR; }
-    status_t getProtectedContentSupport(bool* /*outSupported*/) const override { return NO_ERROR; }
+    binder::Status setPowerMode(const sp<IBinder>& /*display*/, int /*mode*/) override {
+        return binder::Status::ok();
+    }
 
-    status_t addRegionSamplingListener(const Rect& /*samplingArea*/,
-                                       const sp<IBinder>& /*stopLayerHandle*/,
-                                       const sp<IRegionSamplingListener>& /*listener*/) override {
-        return NO_ERROR;
+    binder::Status getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) override {
+        *outSupported = {FrameEvent::REQUESTED_PRESENT,
+                         FrameEvent::ACQUIRE,
+                         FrameEvent::LATCH,
+                         FrameEvent::FIRST_REFRESH_START,
+                         FrameEvent::LAST_REFRESH_START,
+                         FrameEvent::GPU_COMPOSITION_DONE,
+                         FrameEvent::DEQUEUE_READY,
+                         FrameEvent::RELEASE};
+        if (mSupportsPresent) {
+            outSupported->push_back(FrameEvent::DISPLAY_PRESENT);
+        }
+        return binder::Status::ok();
     }
-    status_t removeRegionSamplingListener(
-            const sp<IRegionSamplingListener>& /*listener*/) override {
-        return NO_ERROR;
+
+    binder::Status getDisplayStats(const sp<IBinder>& /*display*/,
+                                   gui::DisplayStatInfo* /*outStatInfo*/) override {
+        return binder::Status::ok();
     }
-    status_t addFpsListener(int32_t /*taskId*/, const sp<gui::IFpsListener>& /*listener*/) {
-        return NO_ERROR;
+
+    binder::Status getDisplayState(const sp<IBinder>& /*display*/,
+                                   gui::DisplayState* /*outState*/) override {
+        return binder::Status::ok();
     }
-    status_t removeFpsListener(const sp<gui::IFpsListener>& /*listener*/) { return NO_ERROR; }
 
-    status_t addTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& /*listener*/) {
-        return NO_ERROR;
+    binder::Status getStaticDisplayInfo(int64_t /*displayId*/,
+                                        gui::StaticDisplayInfo* /*outInfo*/) override {
+        return binder::Status::ok();
     }
 
-    status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) {
-        return NO_ERROR;
+    binder::Status getDynamicDisplayInfoFromId(int64_t /*displayId*/,
+                                               gui::DynamicDisplayInfo* /*outInfo*/) override {
+        return binder::Status::ok();
     }
 
-    status_t setDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
-                                        ui::DisplayModeId /*defaultMode*/,
-                                        bool /*allowGroupSwitching*/,
-                                        float /*primaryRefreshRateMin*/,
-                                        float /*primaryRefreshRateMax*/,
-                                        float /*appRequestRefreshRateMin*/,
-                                        float /*appRequestRefreshRateMax*/) {
-        return NO_ERROR;
+    binder::Status getDynamicDisplayInfoFromToken(const sp<IBinder>& /*display*/,
+                                                  gui::DynamicDisplayInfo* /*outInfo*/) override {
+        return binder::Status::ok();
     }
-    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
-                                        ui::DisplayModeId* /*outDefaultMode*/,
-                                        bool* /*outAllowGroupSwitching*/,
-                                        float* /*outPrimaryRefreshRateMin*/,
-                                        float* /*outPrimaryRefreshRateMax*/,
-                                        float* /*outAppRequestRefreshRateMin*/,
-                                        float* /*outAppRequestRefreshRateMax*/) override {
-        return NO_ERROR;
-    };
 
-    status_t setGlobalShadowSettings(const half4& /*ambientColor*/, const half4& /*spotColor*/,
-                                     float /*lightPosY*/, float /*lightPosZ*/,
-                                     float /*lightRadius*/) override {
-        return NO_ERROR;
+    binder::Status getDisplayNativePrimaries(const sp<IBinder>& /*display*/,
+                                             gui::DisplayPrimaries* /*outPrimaries*/) override {
+        return binder::Status::ok();
     }
 
-    status_t getDisplayDecorationSupport(
-            const sp<IBinder>& /*displayToken*/,
-            std::optional<DisplayDecorationSupport>* /*outSupport*/) const override {
-        return NO_ERROR;
+    binder::Status setActiveColorMode(const sp<IBinder>& /*display*/, int /*colorMode*/) override {
+        return binder::Status::ok();
     }
 
-    status_t setFrameRate(const sp<IGraphicBufferProducer>& /*surface*/, float /*frameRate*/,
-                          int8_t /*compatibility*/, int8_t /*changeFrameRateStrategy*/) override {
-        return NO_ERROR;
+    binder::Status setBootDisplayMode(const sp<IBinder>& /*display*/,
+                                      int /*displayModeId*/) override {
+        return binder::Status::ok();
     }
 
-    status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& /*surface*/,
-                                  const FrameTimelineInfo& /*frameTimelineInfo*/) override {
-        return NO_ERROR;
+    binder::Status clearBootDisplayMode(const sp<IBinder>& /*display*/) override {
+        return binder::Status::ok();
     }
 
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& /*listener*/) override {
-        return NO_ERROR;
+    binder::Status getBootDisplayModeSupport(bool* /*outMode*/) override {
+        return binder::Status::ok();
     }
 
-    int getGPUContextPriority() override { return 0; };
+    binder::Status setAutoLowLatencyMode(const sp<IBinder>& /*display*/, bool /*on*/) override {
+        return binder::Status::ok();
+    }
 
-    status_t getMaxAcquiredBufferCount(int* /*buffers*/) const override { return NO_ERROR; }
+    binder::Status setGameContentType(const sp<IBinder>& /*display*/, bool /*on*/) override {
+        return binder::Status::ok();
+    }
 
-    status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) const override {
-        return NO_ERROR;
+    binder::Status captureDisplay(const DisplayCaptureArgs&,
+                                  const sp<IScreenCaptureListener>&) override {
+        return binder::Status::ok();
     }
 
-    status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) const override {
-        return NO_ERROR;
+    binder::Status captureDisplayById(int64_t, const sp<IScreenCaptureListener>&) override {
+        return binder::Status::ok();
     }
 
-    status_t setOverrideFrameRate(uid_t /*uid*/, float /*frameRate*/) override { return NO_ERROR; }
+    binder::Status captureLayers(const LayerCaptureArgs&,
+                                 const sp<IScreenCaptureListener>&) override {
+        return binder::Status::ok();
+    }
 
-protected:
-    IBinder* onAsBinder() override { return nullptr; }
+    binder::Status clearAnimationFrameStats() override { return binder::Status::ok(); }
 
-private:
-    bool mSupportsPresent{true};
-};
+    binder::Status getAnimationFrameStats(gui::FrameStats* /*outStats*/) override {
+        return binder::Status::ok();
+    }
 
-class FakeSurfaceComposerAIDL : public gui::ISurfaceComposer {
-public:
-    ~FakeSurfaceComposerAIDL() override {}
+    binder::Status overrideHdrTypes(const sp<IBinder>& /*display*/,
+                                    const std::vector<int32_t>& /*hdrTypes*/) override {
+        return binder::Status::ok();
+    }
 
-    void setSupportsPresent(bool supportsPresent) { mSupportsPresent = supportsPresent; }
+    binder::Status onPullAtom(int32_t /*atomId*/, gui::PullAtomData* /*outPullData*/) override {
+        return binder::Status::ok();
+    }
 
-    binder::Status createDisplay(const std::string& /*displayName*/, bool /*secure*/,
-                                 sp<IBinder>* /*outDisplay*/) override {
+    binder::Status getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* /*outLayers*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status destroyDisplay(const sp<IBinder>& /*display*/) override {
+    binder::Status getColorManagement(bool* /*outGetColorManagement*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getPhysicalDisplayIds(std::vector<int64_t>* /*outDisplayIds*/) override {
+    binder::Status getCompositionPreference(gui::CompositionPreference* /*outPref*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getPrimaryPhysicalDisplayId(int64_t* /*outDisplayId*/) override {
+    binder::Status getDisplayedContentSamplingAttributes(
+            const sp<IBinder>& /*display*/, gui::ContentSamplingAttributes* /*outAttrs*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getPhysicalDisplayToken(int64_t /*displayId*/,
-                                           sp<IBinder>* /*outDisplay*/) override {
+    binder::Status setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
+                                                    int8_t /*componentMask*/,
+                                                    int64_t /*maxFrames*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status setPowerMode(const sp<IBinder>& /*display*/, int /*mode*/) override {
+    binder::Status getProtectedContentSupport(bool* /*outSupporte*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getDisplayStats(const sp<IBinder>& /*display*/,
-                                   gui::DisplayStatInfo* /*outStatInfo*/) override {
+    binder::Status getDisplayedContentSample(const sp<IBinder>& /*display*/, int64_t /*maxFrames*/,
+                                             int64_t /*timestamp*/,
+                                             gui::DisplayedFrameStats* /*outStats*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getDisplayState(const sp<IBinder>& /*display*/,
-                                   gui::DisplayState* /*outState*/) override {
+    binder::Status isWideColorDisplay(const sp<IBinder>& /*token*/,
+                                      bool* /*outIsWideColorDisplay*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status clearBootDisplayMode(const sp<IBinder>& /*display*/) override {
+    binder::Status addRegionSamplingListener(
+            const gui::ARect& /*samplingArea*/, const sp<IBinder>& /*stopLayerHandle*/,
+            const sp<gui::IRegionSamplingListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status getBootDisplayModeSupport(bool* /*outMode*/) override {
+    binder::Status removeRegionSamplingListener(
+            const sp<gui::IRegionSamplingListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status setAutoLowLatencyMode(const sp<IBinder>& /*display*/, bool /*on*/) override {
+    binder::Status addFpsListener(int32_t /*taskId*/,
+                                  const sp<gui::IFpsListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status setGameContentType(const sp<IBinder>& /*display*/, bool /*on*/) override {
+    binder::Status removeFpsListener(const sp<gui::IFpsListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status captureDisplay(const DisplayCaptureArgs&,
-                                  const sp<IScreenCaptureListener>&) override {
+    binder::Status addTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status captureDisplayById(int64_t, const sp<IScreenCaptureListener>&) override {
+    binder::Status removeTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) override {
         return binder::Status::ok();
     }
 
-    binder::Status captureLayers(const LayerCaptureArgs&,
-                                 const sp<IScreenCaptureListener>&) override {
+    binder::Status setDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
+                                              const gui::DisplayModeSpecs&) override {
         return binder::Status::ok();
     }
 
-    binder::Status isWideColorDisplay(const sp<IBinder>& /*token*/,
-                                      bool* /*outIsWideColorDisplay*/) override {
+    binder::Status getDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
+                                              gui::DisplayModeSpecs*) override {
         return binder::Status::ok();
     }
 
@@ -989,6 +958,44 @@ public:
 
     binder::Status notifyPowerBoost(int /*boostId*/) override { return binder::Status::ok(); }
 
+    binder::Status setGlobalShadowSettings(const gui::Color& /*ambientColor*/,
+                                           const gui::Color& /*spotColor*/, float /*lightPosY*/,
+                                           float /*lightPosZ*/, float /*lightRadius*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayDecorationSupport(
+            const sp<IBinder>& /*displayToken*/,
+            std::optional<gui::DisplayDecorationSupport>* /*outSupport*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setOverrideFrameRate(int32_t /*uid*/, float /*frameRate*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getGpuContextPriority(int32_t* /*outPriority*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getMaxAcquiredBufferCount(int32_t* /*buffers*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status addWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getOverlaySupport(gui::OverlayProperties* /*properties*/) override {
+        return binder::Status::ok();
+    }
+
 protected:
     IBinder* onAsBinder() override { return nullptr; }
 
@@ -1034,10 +1041,10 @@ protected:
 
 class TestSurface : public Surface {
 public:
-    TestSurface(const sp<IGraphicBufferProducer>& bufferProducer,
-            FenceToFenceTimeMap* fenceMap)
-        : Surface(bufferProducer),
-          mFakeSurfaceComposer(new FakeSurfaceComposer) {
+    TestSurface(const sp<IGraphicBufferProducer>& bufferProducer, FenceToFenceTimeMap* fenceMap)
+          : Surface(bufferProducer),
+            mFakeSurfaceComposer(new FakeSurfaceComposer),
+            mFakeSurfaceComposerAIDL(new FakeSurfaceComposerAIDL) {
         mFakeFrameEventHistory = new FakeProducerFrameEventHistory(fenceMap);
         mFrameEventHistory.reset(mFakeFrameEventHistory);
     }
@@ -1048,6 +1055,10 @@ public:
         return mFakeSurfaceComposer;
     }
 
+    sp<gui::ISurfaceComposer> composerServiceAIDL() const override {
+        return mFakeSurfaceComposerAIDL;
+    }
+
     nsecs_t now() const override {
         return mNow;
     }
@@ -1058,6 +1069,7 @@ public:
 
 public:
     sp<FakeSurfaceComposer> mFakeSurfaceComposer;
+    sp<FakeSurfaceComposerAIDL> mFakeSurfaceComposerAIDL;
     nsecs_t mNow = 0;
 
     // mFrameEventHistory owns the instance of FakeProducerFrameEventHistory,
@@ -1070,20 +1082,30 @@ class GetFrameTimestampsTest : public ::testing::Test {
 protected:
     struct FenceAndFenceTime {
         explicit FenceAndFenceTime(FenceToFenceTimeMap& fenceMap)
-           : mFence(new Fence),
-             mFenceTime(fenceMap.createFenceTimeForTest(mFence)) {}
-        sp<Fence> mFence { nullptr };
-        std::shared_ptr<FenceTime> mFenceTime { nullptr };
+              : mFenceTime(fenceMap.createFenceTimeForTest(mFence)) {}
+
+        sp<Fence> mFence = sp<Fence>::make();
+        std::shared_ptr<FenceTime> mFenceTime;
     };
 
+    static CompositorTiming makeCompositorTiming(nsecs_t deadline = 1'000'000'000,
+                                                 nsecs_t interval = 16'666'667,
+                                                 nsecs_t presentLatency = 50'000'000) {
+        CompositorTiming timing;
+        timing.deadline = deadline;
+        timing.interval = interval;
+        timing.presentLatency = presentLatency;
+        return timing;
+    }
+
     struct RefreshEvents {
         RefreshEvents(FenceToFenceTimeMap& fenceMap, nsecs_t refreshStart)
-          : mFenceMap(fenceMap),
-            kCompositorTiming(
-                {refreshStart, refreshStart + 1, refreshStart + 2 }),
-            kStartTime(refreshStart + 3),
-            kGpuCompositionDoneTime(refreshStart + 4),
-            kPresentTime(refreshStart + 5) {}
+              : mFenceMap(fenceMap),
+                kCompositorTiming(
+                        makeCompositorTiming(refreshStart, refreshStart + 1, refreshStart + 2)),
+                kStartTime(refreshStart + 3),
+                kGpuCompositionDoneTime(refreshStart + 4),
+                kPresentTime(refreshStart + 5) {}
 
         void signalPostCompositeFences() {
             mFenceMap.signalAllForTest(
@@ -1093,8 +1115,8 @@ protected:
 
         FenceToFenceTimeMap& mFenceMap;
 
-        FenceAndFenceTime mGpuCompositionDone { mFenceMap };
-        FenceAndFenceTime mPresent { mFenceMap };
+        FenceAndFenceTime mGpuCompositionDone{mFenceMap};
+        FenceAndFenceTime mPresent{mFenceMap};
 
         const CompositorTiming kCompositorTiming;
 
@@ -1360,11 +1382,7 @@ TEST_F(GetFrameTimestampsTest, DefaultDisabled) {
 // This test verifies that the frame timestamps are retrieved if explicitly
 // enabled via native_window_enable_frame_timestamps.
 TEST_F(GetFrameTimestampsTest, EnabledSimple) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -1424,6 +1442,7 @@ TEST_F(GetFrameTimestampsTest, EnabledSimple) {
 TEST_F(GetFrameTimestampsTest, QueryPresentSupported) {
     bool displayPresentSupported = true;
     mSurface->mFakeSurfaceComposer->setSupportsPresent(displayPresentSupported);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(displayPresentSupported);
 
     // Verify supported bits are forwarded.
     int supportsPresent = -1;
@@ -1435,6 +1454,7 @@ TEST_F(GetFrameTimestampsTest, QueryPresentSupported) {
 TEST_F(GetFrameTimestampsTest, QueryPresentNotSupported) {
     bool displayPresentSupported = false;
     mSurface->mFakeSurfaceComposer->setSupportsPresent(displayPresentSupported);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(displayPresentSupported);
 
     // Verify supported bits are forwarded.
     int supportsPresent = -1;
@@ -1501,11 +1521,7 @@ TEST_F(GetFrameTimestampsTest, SnapToNextTickOverflow) {
 // This verifies the compositor timing is updated by refresh events
 // and piggy backed on a queue, dequeue, and enabling of timestamps..
 TEST_F(GetFrameTimestampsTest, CompositorTimingUpdatesBasic) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -1586,11 +1602,7 @@ TEST_F(GetFrameTimestampsTest, CompositorTimingUpdatesBasic) {
 // This verifies the compositor deadline properly snaps to the the next
 // deadline based on the current time.
 TEST_F(GetFrameTimestampsTest, CompositorTimingDeadlineSnaps) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -2012,6 +2024,7 @@ TEST_F(GetFrameTimestampsTest, NoReleaseNoSync) {
 TEST_F(GetFrameTimestampsTest, PresentUnsupportedNoSync) {
     enableFrameTimestamps();
     mSurface->mFakeSurfaceComposer->setSupportsPresent(false);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(false);
 
     // Dequeue and queue frame 1.
     const uint64_t fId1 = getNextFrameId();
diff --git a/libs/gui/tests/WindowInfo_test.cpp b/libs/gui/tests/WindowInfo_test.cpp
index 99658ccd4b..c51b244c50 100644
--- a/libs/gui/tests/WindowInfo_test.cpp
+++ b/libs/gui/tests/WindowInfo_test.cpp
@@ -71,7 +71,6 @@ TEST(WindowInfo, Parcelling) {
     i.applicationInfo.name = "ApplicationFooBar";
     i.applicationInfo.token = new BBinder();
     i.applicationInfo.dispatchingTimeoutMillis = 0x12345678ABCD;
-    i.isClone = true;
 
     Parcel p;
     i.writeToParcel(&p);
@@ -102,7 +101,6 @@ TEST(WindowInfo, Parcelling) {
     ASSERT_EQ(i.replaceTouchableRegionWithCrop, i2.replaceTouchableRegionWithCrop);
     ASSERT_EQ(i.touchableRegionCropHandle, i2.touchableRegionCropHandle);
     ASSERT_EQ(i.applicationInfo, i2.applicationInfo);
-    ASSERT_EQ(i.isClone, i2.isClone);
 }
 
 TEST(InputApplicationInfo, Parcelling) {
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index b2fec7917b..34ef7b4946 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -26,7 +26,7 @@ package {
 filegroup {
     name: "inputconstants_aidl",
     srcs: [
-        "android/os/BlockUntrustedTouchesMode.aidl",
+        "android/hardware/input/InputDeviceCountryCode.aidl",
         "android/os/IInputConstants.aidl",
         "android/os/InputEventInjectionResult.aidl",
         "android/os/InputEventInjectionSync.aidl",
@@ -89,7 +89,6 @@ cc_library {
             shared_libs: [
                 "libutils",
                 "libbinder",
-                "libui",
             ],
 
             static_libs: [
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 2b7483d27d..9e8ebf30c5 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -21,7 +21,9 @@
 #include <cutils/compiler.h>
 #include <inttypes.h>
 #include <string.h>
+#include <optional>
 
+#include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/stringprintf.h>
 #include <cutils/compiler.h>
@@ -34,7 +36,7 @@
 #ifdef __linux__
 #include <binder/Parcel.h>
 #endif
-#ifdef __ANDROID__
+#if defined(__ANDROID__)
 #include <sys/random.h>
 #endif
 
@@ -87,6 +89,8 @@ const char* motionClassificationToString(MotionClassification classification) {
             return "AMBIGUOUS_GESTURE";
         case MotionClassification::DEEP_PRESS:
             return "DEEP_PRESS";
+        case MotionClassification::TWO_FINGER_SWIPE:
+            return "TWO_FINGER_SWIPE";
     }
 }
 
@@ -110,15 +114,31 @@ const char* motionToolTypeToString(int32_t toolType) {
 }
 
 // --- IdGenerator ---
+#if defined(__ANDROID__)
+[[maybe_unused]]
+#endif
+static status_t
+getRandomBytes(uint8_t* data, size_t size) {
+    int ret = TEMP_FAILURE_RETRY(open("/dev/urandom", O_RDONLY | O_CLOEXEC | O_NOFOLLOW));
+    if (ret == -1) {
+        return -errno;
+    }
+
+    base::unique_fd fd(ret);
+    if (!base::ReadFully(fd, data, size)) {
+        return -errno;
+    }
+    return OK;
+}
+
 IdGenerator::IdGenerator(Source source) : mSource(source) {}
 
 int32_t IdGenerator::nextId() const {
     constexpr uint32_t SEQUENCE_NUMBER_MASK = ~SOURCE_MASK;
     int32_t id = 0;
 
-// Avoid building against syscall getrandom(2) on host, which will fail build on Mac. Host doesn't
-// use sequence number so just always return mSource.
-#ifdef __ANDROID__
+#if defined(__ANDROID__)
+    // On device, prefer 'getrandom' to '/dev/urandom' because it's faster.
     constexpr size_t BUF_LEN = sizeof(id);
     size_t totalBytes = 0;
     while (totalBytes < BUF_LEN) {
@@ -130,8 +150,17 @@ int32_t IdGenerator::nextId() const {
         }
         totalBytes += bytes;
     }
+#else
+#if defined(__linux__)
+    // On host, <sys/random.h> / GRND_NONBLOCK is not available
+    while (true) {
+        status_t result = getRandomBytes(reinterpret_cast<uint8_t*>(&id), sizeof(id));
+        if (result == OK) {
+            break;
+        }
+    }
+#endif // __linux__
 #endif // __ANDROID__
-
     return (id & SEQUENCE_NUMBER_MASK) | static_cast<int32_t>(mSource);
 }
 
@@ -210,6 +239,10 @@ bool isFromSource(uint32_t source, uint32_t test) {
     return (source & test) == test;
 }
 
+bool isStylusToolType(uint32_t toolType) {
+    return toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS || toolType == AMOTION_EVENT_TOOL_TYPE_ERASER;
+}
+
 VerifiedKeyEvent verifiedKeyEventFromKeyEvent(const KeyEvent& event) {
     return {{VerifiedInputEvent::Type::KEY, event.getDeviceId(), event.getEventTime(),
              event.getSource(), event.getDisplayId()},
@@ -410,14 +443,6 @@ bool PointerCoords::operator==(const PointerCoords& other) const {
     return true;
 }
 
-void PointerCoords::copyFrom(const PointerCoords& other) {
-    bits = other.bits;
-    uint32_t count = BitSet64::count(bits);
-    for (uint32_t i = 0; i < count; i++) {
-        values[i] = other.values[i];
-    }
-}
-
 void PointerCoords::transform(const ui::Transform& transform) {
     const vec2 xy = transform.transform(getXYValue());
     setAxisValue(AMOTION_EVENT_AXIS_X, xy.x);
@@ -528,21 +553,21 @@ void MotionEvent::addSample(
                                 &pointerCoords[getPointerCount()]);
 }
 
-int MotionEvent::getSurfaceRotation() const {
+std::optional<ui::Rotation> MotionEvent::getSurfaceRotation() const {
     // The surface rotation is the rotation from the window's coordinate space to that of the
     // display. Since the event's transform takes display space coordinates to window space, the
     // returned surface rotation is the inverse of the rotation for the surface.
     switch (mTransform.getOrientation()) {
         case ui::Transform::ROT_0:
-            return DISPLAY_ORIENTATION_0;
+            return ui::ROTATION_0;
         case ui::Transform::ROT_90:
-            return DISPLAY_ORIENTATION_270;
+            return ui::ROTATION_270;
         case ui::Transform::ROT_180:
-            return DISPLAY_ORIENTATION_180;
+            return ui::ROTATION_180;
         case ui::Transform::ROT_270:
-            return DISPLAY_ORIENTATION_90;
+            return ui::ROTATION_90;
         default:
-            return -1;
+            return std::nullopt;
     }
 }
 
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index a9089690b0..4751a7de8b 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -26,6 +26,7 @@
 #include <input/InputEventLabels.h>
 
 using android::base::StringPrintf;
+using android::hardware::input::InputDeviceCountryCode;
 
 namespace android {
 
@@ -177,9 +178,11 @@ InputDeviceInfo::InputDeviceInfo(const InputDeviceInfo& other)
         mAlias(other.mAlias),
         mIsExternal(other.mIsExternal),
         mHasMic(other.mHasMic),
+        mCountryCode(other.mCountryCode),
         mSources(other.mSources),
         mKeyboardType(other.mKeyboardType),
         mKeyCharacterMap(other.mKeyCharacterMap),
+        mSupportsUsi(other.mSupportsUsi),
         mHasVibrator(other.mHasVibrator),
         mHasBattery(other.mHasBattery),
         mHasButtonUnderPad(other.mHasButtonUnderPad),
@@ -192,8 +195,8 @@ InputDeviceInfo::~InputDeviceInfo() {
 }
 
 void InputDeviceInfo::initialize(int32_t id, int32_t generation, int32_t controllerNumber,
-        const InputDeviceIdentifier& identifier, const std::string& alias, bool isExternal,
-        bool hasMic) {
+                                 const InputDeviceIdentifier& identifier, const std::string& alias,
+                                 bool isExternal, bool hasMic, InputDeviceCountryCode countryCode) {
     mId = id;
     mGeneration = generation;
     mControllerNumber = controllerNumber;
@@ -201,12 +204,14 @@ void InputDeviceInfo::initialize(int32_t id, int32_t generation, int32_t control
     mAlias = alias;
     mIsExternal = isExternal;
     mHasMic = hasMic;
+    mCountryCode = countryCode;
     mSources = 0;
     mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
     mHasVibrator = false;
     mHasBattery = false;
     mHasButtonUnderPad = false;
     mHasSensor = false;
+    mSupportsUsi = false;
     mMotionRanges.clear();
     mSensors.clear();
     mLights.clear();
diff --git a/libs/input/InputEventLabels.cpp b/libs/input/InputEventLabels.cpp
index c0aa2e26a2..b78fae3027 100644
--- a/libs/input/InputEventLabels.cpp
+++ b/libs/input/InputEventLabels.cpp
@@ -23,6 +23,8 @@
 
 namespace android {
 
+// clang-format off
+
 // NOTE: If you add a new keycode here you must also add it to several other files.
 //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
 #define KEYCODES_SEQUENCE \
@@ -314,7 +316,30 @@ namespace android {
     DEFINE_KEYCODE(REFRESH), \
     DEFINE_KEYCODE(THUMBS_UP), \
     DEFINE_KEYCODE(THUMBS_DOWN), \
-    DEFINE_KEYCODE(PROFILE_SWITCH)
+    DEFINE_KEYCODE(PROFILE_SWITCH), \
+    DEFINE_KEYCODE(VIDEO_APP_1), \
+    DEFINE_KEYCODE(VIDEO_APP_2), \
+    DEFINE_KEYCODE(VIDEO_APP_3), \
+    DEFINE_KEYCODE(VIDEO_APP_4), \
+    DEFINE_KEYCODE(VIDEO_APP_5), \
+    DEFINE_KEYCODE(VIDEO_APP_6), \
+    DEFINE_KEYCODE(VIDEO_APP_7), \
+    DEFINE_KEYCODE(VIDEO_APP_8), \
+    DEFINE_KEYCODE(FEATURED_APP_1), \
+    DEFINE_KEYCODE(FEATURED_APP_2), \
+    DEFINE_KEYCODE(FEATURED_APP_3), \
+    DEFINE_KEYCODE(FEATURED_APP_4), \
+    DEFINE_KEYCODE(DEMO_APP_1), \
+    DEFINE_KEYCODE(DEMO_APP_2), \
+    DEFINE_KEYCODE(DEMO_APP_3), \
+    DEFINE_KEYCODE(DEMO_APP_4), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_DOWN), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_UP), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_TOGGLE), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_PRIMARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_SECONDARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_TERTIARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_TAIL)
 
 // NOTE: If you add a new axis here you must also add it to several other files.
 //       Refer to frameworks/base/core/java/android/view/MotionEvent.java for the full list.
@@ -366,8 +391,9 @@ namespace android {
     DEFINE_AXIS(GENERIC_13), \
     DEFINE_AXIS(GENERIC_14), \
     DEFINE_AXIS(GENERIC_15), \
-    DEFINE_AXIS(GENERIC_16)
-
+    DEFINE_AXIS(GENERIC_16), \
+    DEFINE_AXIS(GESTURE_X_OFFSET), \
+    DEFINE_AXIS(GESTURE_Y_OFFSET)
 
 // NOTE: If you add new LEDs here, you must also add them to Input.h
 #define LEDS_SEQUENCE \
@@ -393,6 +419,8 @@ namespace android {
     DEFINE_FLAG(GESTURE), \
     DEFINE_FLAG(WAKE)
 
+// clang-format on
+
 // --- InputEventLookup ---
 const std::unordered_map<std::string, int> InputEventLookup::KEYCODES = {KEYCODES_SEQUENCE};
 
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 61950522ff..8d8433b973 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -51,7 +51,7 @@ static const nsecs_t NANOS_PER_MS = 1000000;
 
 // Latency added during resampling.  A few milliseconds doesn't hurt much but
 // reduces the impact of mispredicted touch positions.
-static const nsecs_t RESAMPLE_LATENCY = 5 * NANOS_PER_MS;
+const std::chrono::duration RESAMPLE_LATENCY = 5ms;
 
 // Minimum time difference between consecutive samples before attempting to resample.
 static const nsecs_t RESAMPLE_MIN_DELTA = 2 * NANOS_PER_MS;
@@ -721,7 +721,11 @@ android::base::Result<InputPublisher::ConsumerResponse> InputPublisher::receiveC
 // --- InputConsumer ---
 
 InputConsumer::InputConsumer(const std::shared_ptr<InputChannel>& channel)
-      : mResampleTouch(isTouchResamplingEnabled()), mChannel(channel), mMsgDeferred(false) {}
+      : InputConsumer(channel, isTouchResamplingEnabled()) {}
+
+InputConsumer::InputConsumer(const std::shared_ptr<InputChannel>& channel,
+                             bool enableTouchResampling)
+      : mResampleTouch(enableTouchResampling), mChannel(channel), mMsgDeferred(false) {}
 
 InputConsumer::~InputConsumer() {
 }
@@ -751,7 +755,10 @@ status_t InputConsumer::consume(InputEventFactoryInterface* factory, bool consum
             // Receive a fresh message.
             status_t result = mChannel->receiveMessage(&mMsg);
             if (result == OK) {
-                mConsumeTimes.emplace(mMsg.header.seq, systemTime(SYSTEM_TIME_MONOTONIC));
+                const auto [_, inserted] =
+                        mConsumeTimes.emplace(mMsg.header.seq, systemTime(SYSTEM_TIME_MONOTONIC));
+                LOG_ALWAYS_FATAL_IF(!inserted, "Already have a consume time for seq=%" PRIu32,
+                                    mMsg.header.seq);
             }
             if (result) {
                 // Consume the next batched event unless batches are being held for later.
@@ -918,7 +925,7 @@ status_t InputConsumer::consumeBatch(InputEventFactoryInterface* factory,
 
         nsecs_t sampleTime = frameTime;
         if (mResampleTouch) {
-            sampleTime -= RESAMPLE_LATENCY;
+            sampleTime -= std::chrono::nanoseconds(RESAMPLE_LATENCY).count();
         }
         ssize_t split = findSampleNoLaterThan(batch, sampleTime);
         if (split < 0) {
@@ -1166,6 +1173,11 @@ void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
         return;
     }
 
+    if (current->eventTime == sampleTime) {
+        // Prevents having 2 events with identical times and coordinates.
+        return;
+    }
+
     // Resample touch coordinates.
     History oldLastResample;
     oldLastResample.initializeFrom(touchState.lastResample);
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index 2039fa6553..fa5c41f657 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -43,7 +43,6 @@
 // Enables debug output for mapping.
 #define DEBUG_MAPPING 0
 
-
 namespace android {
 
 static const char* WHITESPACE = " \t\r";
@@ -93,6 +92,7 @@ KeyCharacterMap::KeyCharacterMap(const KeyCharacterMap& other)
       : mType(other.mType),
         mLoadFileName(other.mLoadFileName),
         mLayoutOverlayApplied(other.mLayoutOverlayApplied),
+        mKeyRemapping(other.mKeyRemapping),
         mKeysByScanCode(other.mKeysByScanCode),
         mKeysByUsageCode(other.mKeysByUsageCode) {
     for (size_t i = 0; i < other.mKeys.size(); i++) {
@@ -114,7 +114,7 @@ bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
     if (mLayoutOverlayApplied != other.mLayoutOverlayApplied) {
         return false;
     }
-    if (mKeys.size() != other.mKeys.size() ||
+    if (mKeys.size() != other.mKeys.size() || mKeyRemapping.size() != other.mKeyRemapping.size() ||
         mKeysByScanCode.size() != other.mKeysByScanCode.size() ||
         mKeysByUsageCode.size() != other.mKeysByUsageCode.size()) {
         return false;
@@ -131,22 +131,9 @@ bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
         }
     }
 
-    for (size_t i = 0; i < mKeysByScanCode.size(); i++) {
-        if (mKeysByScanCode.keyAt(i) != other.mKeysByScanCode.keyAt(i)) {
-            return false;
-        }
-        if (mKeysByScanCode.valueAt(i) != other.mKeysByScanCode.valueAt(i)) {
-            return false;
-        }
-    }
-
-    for (size_t i = 0; i < mKeysByUsageCode.size(); i++) {
-        if (mKeysByUsageCode.keyAt(i) != other.mKeysByUsageCode.keyAt(i)) {
-            return false;
-        }
-        if (mKeysByUsageCode.valueAt(i) != other.mKeysByUsageCode.valueAt(i)) {
-            return false;
-        }
+    if (mKeyRemapping != other.mKeyRemapping || mKeysByScanCode != other.mKeysByScanCode ||
+        mKeysByUsageCode != other.mKeysByUsageCode) {
+        return false;
     }
 
     return true;
@@ -258,14 +245,12 @@ void KeyCharacterMap::combine(const KeyCharacterMap& overlay) {
         }
     }
 
-    for (size_t i = 0; i < overlay.mKeysByScanCode.size(); i++) {
-        mKeysByScanCode.replaceValueFor(overlay.mKeysByScanCode.keyAt(i),
-                                        overlay.mKeysByScanCode.valueAt(i));
+    for (auto const& it : overlay.mKeysByScanCode) {
+        mKeysByScanCode.insert_or_assign(it.first, it.second);
     }
 
-    for (size_t i = 0; i < overlay.mKeysByUsageCode.size(); i++) {
-        mKeysByUsageCode.replaceValueFor(overlay.mKeysByUsageCode.keyAt(i),
-                                         overlay.mKeysByUsageCode.valueAt(i));
+    for (auto const& it : overlay.mKeysByUsageCode) {
+        mKeysByUsageCode.insert_or_assign(it.first, it.second);
     }
     mLayoutOverlayApplied = true;
 }
@@ -304,9 +289,8 @@ char16_t KeyCharacterMap::getNumber(int32_t keyCode) const {
 
 char16_t KeyCharacterMap::getCharacter(int32_t keyCode, int32_t metaState) const {
     char16_t result = 0;
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const Behavior* behavior = getKeyBehavior(keyCode, metaState);
+    if (behavior != nullptr) {
         result = behavior->character;
     }
 #if DEBUG_MAPPING
@@ -321,9 +305,8 @@ bool KeyCharacterMap::getFallbackAction(int32_t keyCode, int32_t metaState,
     outFallbackAction->metaState = 0;
 
     bool result = false;
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const Behavior* behavior = getKeyBehavior(keyCode, metaState);
+    if (behavior != nullptr) {
         if (behavior->fallbackKeyCode) {
             outFallbackAction->keyCode = behavior->fallbackKeyCode;
             outFallbackAction->metaState = metaState & ~behavior->metaState;
@@ -347,12 +330,12 @@ char16_t KeyCharacterMap::getMatch(int32_t keyCode, const char16_t* chars, size_
         // Try to find the most general behavior that maps to this character.
         // For example, the base key behavior will usually be last in the list.
         // However, if we find a perfect meta state match for one behavior then use that one.
-        for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
-            if (behavior->character) {
+        for (const Behavior& behavior : key->behaviors) {
+            if (behavior.character) {
                 for (size_t i = 0; i < numChars; i++) {
-                    if (behavior->character == chars[i]) {
-                        result = behavior->character;
-                        if ((behavior->metaState & metaState) == behavior->metaState) {
+                    if (behavior.character == chars[i]) {
+                        result = behavior.character;
+                        if ((behavior.metaState & metaState) == behavior.metaState) {
                             goto ExactMatch;
                         }
                         break;
@@ -402,11 +385,26 @@ bool KeyCharacterMap::getEvents(int32_t deviceId, const char16_t* chars, size_t
     return true;
 }
 
+void KeyCharacterMap::addKeyRemapping(int32_t fromKeyCode, int32_t toKeyCode) {
+    if (fromKeyCode == toKeyCode) {
+        mKeyRemapping.erase(fromKeyCode);
+#if DEBUG_MAPPING
+        ALOGD("addKeyRemapping: Cleared remapping forKeyCode=%d ~ Result Successful.", fromKeyCode);
+#endif
+        return;
+    }
+    mKeyRemapping.insert_or_assign(fromKeyCode, toKeyCode);
+#if DEBUG_MAPPING
+    ALOGD("addKeyRemapping: fromKeyCode=%d, toKeyCode=%d ~ Result Successful.", fromKeyCode,
+          toKeyCode);
+#endif
+}
+
 status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* outKeyCode) const {
     if (usageCode) {
-        ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
-        if (index >= 0) {
-            *outKeyCode = mKeysByUsageCode.valueAt(index);
+        const auto it = mKeysByUsageCode.find(usageCode);
+        if (it != mKeysByUsageCode.end()) {
+            *outKeyCode = it->second;
 #if DEBUG_MAPPING
             ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
                     scanCode, usageCode, *outKeyCode);
@@ -415,9 +413,9 @@ status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* o
         }
     }
     if (scanCode) {
-        ssize_t index = mKeysByScanCode.indexOfKey(scanCode);
-        if (index >= 0) {
-            *outKeyCode = mKeysByScanCode.valueAt(index);
+        const auto it = mKeysByScanCode.find(scanCode);
+        if (it != mKeysByScanCode.end()) {
+            *outKeyCode = it->second;
 #if DEBUG_MAPPING
             ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
                     scanCode, usageCode, *outKeyCode);
@@ -433,46 +431,59 @@ status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* o
     return NAME_NOT_FOUND;
 }
 
-void KeyCharacterMap::tryRemapKey(int32_t keyCode, int32_t metaState,
-                                  int32_t *outKeyCode, int32_t *outMetaState) const {
-    *outKeyCode = keyCode;
-    *outMetaState = metaState;
+int32_t KeyCharacterMap::applyKeyRemapping(int32_t fromKeyCode) const {
+    int32_t toKeyCode = fromKeyCode;
 
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const auto it = mKeyRemapping.find(fromKeyCode);
+    if (it != mKeyRemapping.end()) {
+        toKeyCode = it->second;
+    }
+#if DEBUG_MAPPING
+    ALOGD("applyKeyRemapping: keyCode=%d ~ replacement keyCode=%d.", fromKeyCode, toKeyCode);
+#endif
+    return toKeyCode;
+}
+
+std::pair<int32_t, int32_t> KeyCharacterMap::applyKeyBehavior(int32_t fromKeyCode,
+                                                              int32_t fromMetaState) const {
+    int32_t toKeyCode = fromKeyCode;
+    int32_t toMetaState = fromMetaState;
+
+    const Behavior* behavior = getKeyBehavior(fromKeyCode, fromMetaState);
+    if (behavior != nullptr) {
         if (behavior->replacementKeyCode) {
-            *outKeyCode = behavior->replacementKeyCode;
-            int32_t newMetaState = metaState & ~behavior->metaState;
+            toKeyCode = behavior->replacementKeyCode;
+            toMetaState = fromMetaState & ~behavior->metaState;
             // Reset dependent meta states.
             if (behavior->metaState & AMETA_ALT_ON) {
-                newMetaState &= ~(AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON);
+                toMetaState &= ~(AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON);
             }
             if (behavior->metaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
-                newMetaState &= ~AMETA_ALT_ON;
+                toMetaState &= ~AMETA_ALT_ON;
             }
             if (behavior->metaState & AMETA_CTRL_ON) {
-                newMetaState &= ~(AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON);
+                toMetaState &= ~(AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON);
             }
             if (behavior->metaState & (AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
-                newMetaState &= ~AMETA_CTRL_ON;
+                toMetaState &= ~AMETA_CTRL_ON;
             }
             if (behavior->metaState & AMETA_SHIFT_ON) {
-                newMetaState &= ~(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON);
+                toMetaState &= ~(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON);
             }
             if (behavior->metaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
-                newMetaState &= ~AMETA_SHIFT_ON;
+                toMetaState &= ~AMETA_SHIFT_ON;
             }
             // ... and put universal bits back if needed
-            *outMetaState = normalizeMetaState(newMetaState);
+            toMetaState = normalizeMetaState(toMetaState);
         }
     }
 
 #if DEBUG_MAPPING
-    ALOGD("tryRemapKey: keyCode=%d, metaState=0x%08x ~ "
-            "replacement keyCode=%d, replacement metaState=0x%08x.",
-            keyCode, metaState, *outKeyCode, *outMetaState);
+    ALOGD("applyKeyBehavior: keyCode=%d, metaState=0x%08x ~ "
+          "replacement keyCode=%d, replacement metaState=0x%08x.",
+          fromKeyCode, fromMetaState, toKeyCode, toMetaState);
 #endif
+    return std::make_pair(toKeyCode, toMetaState);
 }
 
 bool KeyCharacterMap::getKey(int32_t keyCode, const Key** outKey) const {
@@ -484,21 +495,17 @@ bool KeyCharacterMap::getKey(int32_t keyCode, const Key** outKey) const {
     return false;
 }
 
-bool KeyCharacterMap::getKeyBehavior(int32_t keyCode, int32_t metaState,
-        const Key** outKey, const Behavior** outBehavior) const {
+const KeyCharacterMap::Behavior* KeyCharacterMap::getKeyBehavior(int32_t keyCode,
+                                                                 int32_t metaState) const {
     const Key* key;
     if (getKey(keyCode, &key)) {
-        const Behavior* behavior = key->firstBehavior;
-        while (behavior) {
-            if (matchesMetaState(metaState, behavior->metaState)) {
-                *outKey = key;
-                *outBehavior = behavior;
-                return true;
+        for (const Behavior& behavior : key->behaviors) {
+            if (matchesMetaState(metaState, behavior.metaState)) {
+                return &behavior;
             }
-            behavior = behavior->next;
         }
     }
-    return false;
+    return nullptr;
 }
 
 bool KeyCharacterMap::matchesMetaState(int32_t eventMetaState, int32_t behaviorMetaState) {
@@ -543,12 +550,12 @@ bool KeyCharacterMap::findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMeta
         // Try to find the most general behavior that maps to this character.
         // For example, the base key behavior will usually be last in the list.
         const Behavior* found = nullptr;
-        for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
-            if (behavior->character == ch) {
-                found = behavior;
+        for (const Behavior& behavior : key->behaviors) {
+            if (behavior.character == ch) {
+                found = &behavior;
             }
         }
-        if (found) {
+        if (found != nullptr) {
             *outKeyCode = mKeys.keyAt(i);
             *outMetaState = found->metaState;
             return true;
@@ -706,7 +713,6 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
         key->number = number;
         map->mKeys.add(keyCode, key);
 
-        Behavior* lastBehavior = nullptr;
         while (parcel->readInt32()) {
             int32_t metaState = parcel->readInt32();
             char16_t character = parcel->readInt32();
@@ -716,23 +722,30 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
                 return nullptr;
             }
 
-            Behavior* behavior = new Behavior();
-            behavior->metaState = metaState;
-            behavior->character = character;
-            behavior->fallbackKeyCode = fallbackKeyCode;
-            behavior->replacementKeyCode = replacementKeyCode;
-            if (lastBehavior) {
-                lastBehavior->next = behavior;
-            } else {
-                key->firstBehavior = behavior;
-            }
-            lastBehavior = behavior;
+            key->behaviors.push_back({
+                    .metaState = metaState,
+                    .character = character,
+                    .fallbackKeyCode = fallbackKeyCode,
+                    .replacementKeyCode = replacementKeyCode,
+            });
         }
 
         if (parcel->errorCheck()) {
             return nullptr;
         }
     }
+    size_t numKeyRemapping = parcel->readInt32();
+    if (parcel->errorCheck()) {
+        return nullptr;
+    }
+    for (size_t i = 0; i < numKeyRemapping; i++) {
+        int32_t key = parcel->readInt32();
+        int32_t value = parcel->readInt32();
+        map->mKeyRemapping.insert_or_assign(key, value);
+        if (parcel->errorCheck()) {
+            return nullptr;
+        }
+    }
     size_t numKeysByScanCode = parcel->readInt32();
     if (parcel->errorCheck()) {
         return nullptr;
@@ -740,7 +753,7 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
     for (size_t i = 0; i < numKeysByScanCode; i++) {
         int32_t key = parcel->readInt32();
         int32_t value = parcel->readInt32();
-        map->mKeysByScanCode.add(key, value);
+        map->mKeysByScanCode.insert_or_assign(key, value);
         if (parcel->errorCheck()) {
             return nullptr;
         }
@@ -752,7 +765,7 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
     for (size_t i = 0; i < numKeysByUsageCode; i++) {
         int32_t key = parcel->readInt32();
         int32_t value = parcel->readInt32();
-        map->mKeysByUsageCode.add(key, value);
+        map->mKeysByUsageCode.insert_or_assign(key, value);
         if (parcel->errorCheck()) {
             return nullptr;
         }
@@ -777,65 +790,42 @@ void KeyCharacterMap::writeToParcel(Parcel* parcel) const {
         parcel->writeInt32(keyCode);
         parcel->writeInt32(key->label);
         parcel->writeInt32(key->number);
-        for (const Behavior* behavior = key->firstBehavior; behavior != nullptr;
-                behavior = behavior->next) {
+        for (const Behavior& behavior : key->behaviors) {
             parcel->writeInt32(1);
-            parcel->writeInt32(behavior->metaState);
-            parcel->writeInt32(behavior->character);
-            parcel->writeInt32(behavior->fallbackKeyCode);
-            parcel->writeInt32(behavior->replacementKeyCode);
+            parcel->writeInt32(behavior.metaState);
+            parcel->writeInt32(behavior.character);
+            parcel->writeInt32(behavior.fallbackKeyCode);
+            parcel->writeInt32(behavior.replacementKeyCode);
         }
         parcel->writeInt32(0);
     }
+    size_t numKeyRemapping = mKeyRemapping.size();
+    parcel->writeInt32(numKeyRemapping);
+    for (auto const& [fromAndroidKeyCode, toAndroidKeyCode] : mKeyRemapping) {
+        parcel->writeInt32(fromAndroidKeyCode);
+        parcel->writeInt32(toAndroidKeyCode);
+    }
     size_t numKeysByScanCode = mKeysByScanCode.size();
     parcel->writeInt32(numKeysByScanCode);
-    for (size_t i = 0; i < numKeysByScanCode; i++) {
-        parcel->writeInt32(mKeysByScanCode.keyAt(i));
-        parcel->writeInt32(mKeysByScanCode.valueAt(i));
+    for (auto const& [fromScanCode, toAndroidKeyCode] : mKeysByScanCode) {
+        parcel->writeInt32(fromScanCode);
+        parcel->writeInt32(toAndroidKeyCode);
     }
     size_t numKeysByUsageCode = mKeysByUsageCode.size();
     parcel->writeInt32(numKeysByUsageCode);
-    for (size_t i = 0; i < numKeysByUsageCode; i++) {
-        parcel->writeInt32(mKeysByUsageCode.keyAt(i));
-        parcel->writeInt32(mKeysByUsageCode.valueAt(i));
+    for (auto const& [fromUsageCode, toAndroidKeyCode] : mKeysByUsageCode) {
+        parcel->writeInt32(fromUsageCode);
+        parcel->writeInt32(toAndroidKeyCode);
     }
 }
 #endif // __linux__
 
 // --- KeyCharacterMap::Key ---
 
-KeyCharacterMap::Key::Key() :
-        label(0), number(0), firstBehavior(nullptr) {
-}
-
-KeyCharacterMap::Key::Key(const Key& other) :
-        label(other.label), number(other.number),
-        firstBehavior(other.firstBehavior ? new Behavior(*other.firstBehavior) : nullptr) {
-}
-
-KeyCharacterMap::Key::~Key() {
-    Behavior* behavior = firstBehavior;
-    while (behavior) {
-        Behavior* next = behavior->next;
-        delete behavior;
-        behavior = next;
-    }
-}
-
-
-// --- KeyCharacterMap::Behavior ---
-
-KeyCharacterMap::Behavior::Behavior() :
-        next(nullptr), metaState(0), character(0), fallbackKeyCode(0), replacementKeyCode(0) {
-}
-
-KeyCharacterMap::Behavior::Behavior(const Behavior& other) :
-        next(other.next ? new Behavior(*other.next) : nullptr),
-        metaState(other.metaState), character(other.character),
-        fallbackKeyCode(other.fallbackKeyCode),
-        replacementKeyCode(other.replacementKeyCode) {
-}
+KeyCharacterMap::Key::Key() : label(0), number(0) {}
 
+KeyCharacterMap::Key::Key(const Key& other)
+      : label(other.label), number(other.number), behaviors(other.behaviors) {}
 
 // --- KeyCharacterMap::Parser ---
 
@@ -992,9 +982,9 @@ status_t KeyCharacterMap::Parser::parseMapKey() {
                 mapUsage ? "usage" : "scan code", codeToken.string());
         return BAD_VALUE;
     }
-    KeyedVector<int32_t, int32_t>& map =
-            mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
-    if (map.indexOfKey(code) >= 0) {
+    std::map<int32_t, int32_t>& map = mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
+    const auto it = map.find(code);
+    if (it != map.end()) {
         ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
                 mapUsage ? "usage" : "scan code", codeToken.string());
         return BAD_VALUE;
@@ -1013,7 +1003,7 @@ status_t KeyCharacterMap::Parser::parseMapKey() {
     ALOGD("Parsed map key %s: code=%d, keyCode=%d.",
             mapUsage ? "usage" : "scan code", code, keyCode);
 #endif
-    map.add(code, keyCode);
+    map.insert_or_assign(code, keyCode);
     return NO_ERROR;
 }
 
@@ -1213,23 +1203,21 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
 #endif
             break;
         case PROPERTY_META: {
-            for (Behavior* b = key->firstBehavior; b; b = b->next) {
-                if (b->metaState == property.metaState) {
+            for (const Behavior& b : key->behaviors) {
+                if (b.metaState == property.metaState) {
                     ALOGE("%s: Duplicate key behavior for modifier.",
                             mTokenizer->getLocation().string());
                     return BAD_VALUE;
                 }
             }
-            Behavior* newBehavior = new Behavior(behavior);
-            newBehavior->metaState = property.metaState;
-            newBehavior->next = key->firstBehavior;
-            key->firstBehavior = newBehavior;
-#if DEBUG_PARSER
-            ALOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d replace=%d.",
-                    mKeyCode,
-                    newBehavior->metaState, newBehavior->character,
-                    newBehavior->fallbackKeyCode, newBehavior->replacementKeyCode);
-#endif
+            Behavior newBehavior = behavior;
+            newBehavior.metaState = property.metaState;
+            key->behaviors.push_front(newBehavior);
+            ALOGD_IF(DEBUG_PARSER,
+                     "Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d replace=%d.",
+                     mKeyCode, key->behaviors.front().metaState, key->behaviors.front().character,
+                     key->behaviors.front().fallbackKeyCode,
+                     key->behaviors.front().replacementKeyCode);
             break;
         }
         }
@@ -1242,8 +1230,8 @@ status_t KeyCharacterMap::Parser::finishKey(Key* key) {
     if (!key->number) {
         char16_t digit = 0;
         char16_t symbol = 0;
-        for (Behavior* b = key->firstBehavior; b; b = b->next) {
-            char16_t ch = b->character;
+        for (const Behavior& b : key->behaviors) {
+            char16_t ch = b.character;
             if (ch) {
                 if (ch >= '0' && ch <= '9') {
                     digit = ch;
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index d6b4579a94..73710330d0 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -192,7 +192,8 @@ status_t KeyLayoutMap::mapKey(int32_t scanCode, int32_t usageCode,
 }
 
 // Return pair of sensor type and sensor data index, for the input device abs code
-base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
+base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(
+        int32_t absCode) const {
     auto it = mSensorsByAbsCode.find(absCode);
     if (it == mSensorsByAbsCode.end()) {
         ALOGD_IF(DEBUG_MAPPING, "mapSensor: absCode=%d, ~ Failed.", absCode);
diff --git a/libs/input/Keyboard.cpp b/libs/input/Keyboard.cpp
index c3f5151fd1..3f8467d818 100644
--- a/libs/input/Keyboard.cpp
+++ b/libs/input/Keyboard.cpp
@@ -49,25 +49,23 @@ status_t KeyMap::load(const InputDeviceIdentifier& deviceIdentifier,
         const PropertyMap* deviceConfiguration) {
     // Use the configured key layout if available.
     if (deviceConfiguration) {
-        String8 keyLayoutName;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.layout"),
-                keyLayoutName)) {
+        std::string keyLayoutName;
+        if (deviceConfiguration->tryGetProperty("keyboard.layout", keyLayoutName)) {
             status_t status = loadKeyLayout(deviceIdentifier, keyLayoutName.c_str());
             if (status == NAME_NOT_FOUND) {
                 ALOGE("Configuration for keyboard device '%s' requested keyboard layout '%s' but "
-                        "it was not found.",
-                        deviceIdentifier.name.c_str(), keyLayoutName.string());
+                      "it was not found.",
+                      deviceIdentifier.name.c_str(), keyLayoutName.c_str());
             }
         }
 
-        String8 keyCharacterMapName;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.characterMap"),
-                keyCharacterMapName)) {
+        std::string keyCharacterMapName;
+        if (deviceConfiguration->tryGetProperty("keyboard.characterMap", keyCharacterMapName)) {
             status_t status = loadKeyCharacterMap(deviceIdentifier, keyCharacterMapName.c_str());
             if (status == NAME_NOT_FOUND) {
                 ALOGE("Configuration for keyboard device '%s' requested keyboard character "
-                        "map '%s' but it was not found.",
-                        deviceIdentifier.name.c_str(), keyCharacterMapName.string());
+                      "map '%s' but it was not found.",
+                      deviceIdentifier.name.c_str(), keyCharacterMapName.c_str());
             }
         }
 
@@ -165,7 +163,7 @@ bool isKeyboardSpecialFunction(const PropertyMap* config) {
         return false;
     }
     bool isSpecialFunction = false;
-    config->tryGetProperty(String8("keyboard.specialFunction"), isSpecialFunction);
+    config->tryGetProperty("keyboard.specialFunction", isSpecialFunction);
     return isSpecialFunction;
 }
 
@@ -180,8 +178,7 @@ bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
 
     if (deviceConfiguration) {
         bool builtIn = false;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.builtIn"), builtIn)
-                && builtIn) {
+        if (deviceConfiguration->tryGetProperty("keyboard.builtIn", builtIn) && builtIn) {
             return true;
         }
     }
diff --git a/libs/input/PropertyMap.cpp b/libs/input/PropertyMap.cpp
index a842166761..ed9ac9fc72 100644
--- a/libs/input/PropertyMap.cpp
+++ b/libs/input/PropertyMap.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "PropertyMap"
 
 #include <input/PropertyMap.h>
+#include <log/log.h>
 
 // Enables debug output for the parser.
 #define DEBUG_PARSER 0
@@ -39,25 +40,25 @@ void PropertyMap::clear() {
     mProperties.clear();
 }
 
-void PropertyMap::addProperty(const String8& key, const String8& value) {
-    mProperties.add(key, value);
+void PropertyMap::addProperty(const std::string& key, const std::string& value) {
+    mProperties.emplace(key, value);
 }
 
-bool PropertyMap::hasProperty(const String8& key) const {
-    return mProperties.indexOfKey(key) >= 0;
+bool PropertyMap::hasProperty(const std::string& key) const {
+    return mProperties.find(key) != mProperties.end();
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, String8& outValue) const {
-    ssize_t index = mProperties.indexOfKey(key);
-    if (index < 0) {
+bool PropertyMap::tryGetProperty(const std::string& key, std::string& outValue) const {
+    auto it = mProperties.find(key);
+    if (it == mProperties.end()) {
         return false;
     }
 
-    outValue = mProperties.valueAt(index);
+    outValue = it->second;
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, bool& outValue) const {
+bool PropertyMap::tryGetProperty(const std::string& key, bool& outValue) const {
     int32_t intValue;
     if (!tryGetProperty(key, intValue)) {
         return false;
@@ -67,34 +68,34 @@ bool PropertyMap::tryGetProperty(const String8& key, bool& outValue) const {
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, int32_t& outValue) const {
-    String8 stringValue;
+bool PropertyMap::tryGetProperty(const std::string& key, int32_t& outValue) const {
+    std::string stringValue;
     if (!tryGetProperty(key, stringValue) || stringValue.length() == 0) {
         return false;
     }
 
     char* end;
-    int value = strtol(stringValue.string(), &end, 10);
+    int32_t value = static_cast<int32_t>(strtol(stringValue.c_str(), &end, 10));
     if (*end != '\0') {
-        ALOGW("Property key '%s' has invalid value '%s'.  Expected an integer.", key.string(),
-              stringValue.string());
+        ALOGW("Property key '%s' has invalid value '%s'.  Expected an integer.", key.c_str(),
+              stringValue.c_str());
         return false;
     }
     outValue = value;
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, float& outValue) const {
-    String8 stringValue;
+bool PropertyMap::tryGetProperty(const std::string& key, float& outValue) const {
+    std::string stringValue;
     if (!tryGetProperty(key, stringValue) || stringValue.length() == 0) {
         return false;
     }
 
     char* end;
-    float value = strtof(stringValue.string(), &end);
+    float value = strtof(stringValue.c_str(), &end);
     if (*end != '\0') {
-        ALOGW("Property key '%s' has invalid value '%s'.  Expected a float.", key.string(),
-              stringValue.string());
+        ALOGW("Property key '%s' has invalid value '%s'.  Expected a float.", key.c_str(),
+              stringValue.c_str());
         return false;
     }
     outValue = value;
@@ -102,8 +103,8 @@ bool PropertyMap::tryGetProperty(const String8& key, float& outValue) const {
 }
 
 void PropertyMap::addAll(const PropertyMap* map) {
-    for (size_t i = 0; i < map->mProperties.size(); i++) {
-        mProperties.add(map->mProperties.keyAt(i), map->mProperties.valueAt(i));
+    for (const auto& [key, value] : map->mProperties) {
+        mProperties.emplace(key, value);
     }
 }
 
@@ -115,25 +116,24 @@ android::base::Result<std::unique_ptr<PropertyMap>> PropertyMap::load(const char
 
     Tokenizer* rawTokenizer;
     status_t status = Tokenizer::open(String8(filename), &rawTokenizer);
-    std::unique_ptr<Tokenizer> tokenizer(rawTokenizer);
     if (status) {
-        ALOGE("Error %d opening property file %s.", status, filename);
-    } else {
+        return android::base::Error(-status) << "Could not open file: " << filename;
+    }
 #if DEBUG_PARSER_PERFORMANCE
-            nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
+    nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
 #endif
-            Parser parser(outMap.get(), tokenizer.get());
-            status = parser.parse();
+    std::unique_ptr<Tokenizer> tokenizer(rawTokenizer);
+    Parser parser(outMap.get(), tokenizer.get());
+    status = parser.parse();
 #if DEBUG_PARSER_PERFORMANCE
-            nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
-            ALOGD("Parsed property file '%s' %d lines in %0.3fms.",
-                  tokenizer->getFilename().string(), tokenizer->getLineNumber(),
-                  elapsedTime / 1000000.0);
+    nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
+    ALOGD("Parsed property file '%s' %d lines in %0.3fms.", tokenizer->getFilename().string(),
+          tokenizer->getLineNumber(), elapsedTime / 1000000.0);
 #endif
-            if (status) {
-                return android::base::Error(BAD_VALUE) << "Could not parse " << filename;
-            }
+    if (status) {
+        return android::base::Error(BAD_VALUE) << "Could not parse " << filename;
     }
+
     return std::move(outMap);
 }
 
@@ -184,13 +184,13 @@ status_t PropertyMap::Parser::parse() {
                 return BAD_VALUE;
             }
 
-            if (mMap->hasProperty(keyToken)) {
+            if (mMap->hasProperty(keyToken.string())) {
                 ALOGE("%s: Duplicate property value for key '%s'.",
                       mTokenizer->getLocation().string(), keyToken.string());
                 return BAD_VALUE;
             }
 
-            mMap->addProperty(keyToken, valueToken);
+            mMap->addProperty(keyToken.string(), valueToken.string());
         }
 
         mTokenizer->nextLine();
diff --git a/libs/input/PropertyMap_fuzz.cpp b/libs/input/PropertyMap_fuzz.cpp
index afb97a1d47..d985dc1748 100755
--- a/libs/input/PropertyMap_fuzz.cpp
+++ b/libs/input/PropertyMap_fuzz.cpp
@@ -17,32 +17,22 @@
 #include "android-base/file.h"
 #include "fuzzer/FuzzedDataProvider.h"
 #include "input/PropertyMap.h"
-#include "utils/String8.h"
 
 static constexpr int MAX_FILE_SIZE = 256;
 static constexpr int MAX_STR_LEN = 2048;
 static constexpr int MAX_OPERATIONS = 1000;
 
-static const std::vector<std::function<void(FuzzedDataProvider*, android::PropertyMap)>>
+static const std::vector<std::function<void(FuzzedDataProvider*, android::PropertyMap&)>>
         operations = {
-                [](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
-                    propertyMap.getProperties();
-                },
-                [](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
+                [](FuzzedDataProvider*, android::PropertyMap& propertyMap) -> void {
                     propertyMap.clear();
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    propertyMap.hasProperty(key);
-                },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    android::String8 out;
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& propertyMap) -> void {
+                    std::string key = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
+                    std::string out;
                     propertyMap.tryGetProperty(key, out);
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap /*unused*/) -> void {
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& /*unused*/) -> void {
                     TemporaryFile tf;
                     // Generate file contents
                     std::string contents = dataProvider->ConsumeRandomLengthString(MAX_FILE_SIZE);
@@ -54,17 +44,15 @@ static const std::vector<std::function<void(FuzzedDataProvider*, android::Proper
                     }
                     android::PropertyMap::load(tf.path);
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    std::string valStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    android::String8 val = android::String8(valStr.c_str());
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& propertyMap) -> void {
+                    std::string key = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
+                    std::string val = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
                     propertyMap.addProperty(key, val);
                 },
 };
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     FuzzedDataProvider dataProvider(data, size);
-    android::PropertyMap propertyMap = android::PropertyMap();
+    android::PropertyMap propertyMap;
 
     int opsRun = 0;
     while (dataProvider.remaining_bytes() > 0 && opsRun++ < MAX_OPERATIONS) {
diff --git a/libs/input/TouchVideoFrame.cpp b/libs/input/TouchVideoFrame.cpp
index c62e0985f1..c9393f4451 100644
--- a/libs/input/TouchVideoFrame.cpp
+++ b/libs/input/TouchVideoFrame.cpp
@@ -40,17 +40,20 @@ const std::vector<int16_t>& TouchVideoFrame::getData() const { return mData; }
 
 const struct timeval& TouchVideoFrame::getTimestamp() const { return mTimestamp; }
 
-void TouchVideoFrame::rotate(int32_t orientation) {
+void TouchVideoFrame::rotate(ui::Rotation orientation) {
     switch (orientation) {
-        case DISPLAY_ORIENTATION_90:
+        case ui::ROTATION_90:
             rotateQuarterTurn(false /*clockwise*/);
             break;
-        case DISPLAY_ORIENTATION_180:
+        case ui::ROTATION_180:
             rotate180();
             break;
-        case DISPLAY_ORIENTATION_270:
+        case ui::ROTATION_270:
             rotateQuarterTurn(true /*clockwise*/);
             break;
+        case ui::ROTATION_0:
+            // No need to rotate if there's no rotation.
+            break;
     }
 }
 
diff --git a/libs/input/VelocityControl.cpp b/libs/input/VelocityControl.cpp
index 6e991e98bb..5c008b1158 100644
--- a/libs/input/VelocityControl.cpp
+++ b/libs/input/VelocityControl.cpp
@@ -37,6 +37,10 @@ VelocityControl::VelocityControl() {
     reset();
 }
 
+VelocityControlParameters& VelocityControl::getParameters() {
+    return mParameters;
+}
+
 void VelocityControl::setParameters(const VelocityControlParameters& parameters) {
     mParameters = parameters;
     reset();
@@ -44,8 +48,8 @@ void VelocityControl::setParameters(const VelocityControlParameters& parameters)
 
 void VelocityControl::reset() {
     mLastMovementTime = LLONG_MIN;
-    mRawPosition.x = 0;
-    mRawPosition.y = 0;
+    mRawPositionX = 0;
+    mRawPositionY = 0;
     mVelocityTracker.clear();
 }
 
@@ -61,17 +65,20 @@ void VelocityControl::move(nsecs_t eventTime, float* deltaX, float* deltaY) {
 
         mLastMovementTime = eventTime;
         if (deltaX) {
-            mRawPosition.x += *deltaX;
+            mRawPositionX += *deltaX;
         }
         if (deltaY) {
-            mRawPosition.y += *deltaY;
+            mRawPositionY += *deltaY;
         }
-        mVelocityTracker.addMovement(eventTime, BitSet32(BitSet32::valueForBit(0)), {mRawPosition});
+        mVelocityTracker.addMovement(eventTime, BitSet32(BitSet32::valueForBit(0)),
+                                     {{AMOTION_EVENT_AXIS_X, {mRawPositionX}},
+                                      {AMOTION_EVENT_AXIS_Y, {mRawPositionY}}});
 
-        float vx, vy;
+        std::optional<float> vx = mVelocityTracker.getVelocity(AMOTION_EVENT_AXIS_X, 0);
+        std::optional<float> vy = mVelocityTracker.getVelocity(AMOTION_EVENT_AXIS_Y, 0);
         float scale = mParameters.scale;
-        if (mVelocityTracker.getVelocity(0, &vx, &vy)) {
-            float speed = hypotf(vx, vy) * scale;
+        if (vx && vy) {
+            float speed = hypotf(*vx, *vy) * scale;
             if (speed >= mParameters.highThreshold) {
                 // Apply full acceleration above the high speed threshold.
                 scale *= mParameters.acceleration;
@@ -85,10 +92,9 @@ void VelocityControl::move(nsecs_t eventTime, float* deltaX, float* deltaY) {
 
             if (DEBUG_ACCELERATION) {
                 ALOGD("VelocityControl(%0.3f, %0.3f, %0.3f, %0.3f): "
-                        "vx=%0.3f, vy=%0.3f, speed=%0.3f, accel=%0.3f",
-                        mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
-                        mParameters.acceleration,
-                        vx, vy, speed, scale / mParameters.scale);
+                      "vx=%0.3f, vy=%0.3f, speed=%0.3f, accel=%0.3f",
+                      mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
+                      mParameters.acceleration, *vx, *vy, speed, scale / mParameters.scale);
             }
 
         } else {
diff --git a/libs/input/VelocityTracker.cpp b/libs/input/VelocityTracker.cpp
index 7f427f2364..19b4684e4a 100644
--- a/libs/input/VelocityTracker.cpp
+++ b/libs/input/VelocityTracker.cpp
@@ -27,6 +27,8 @@
 #include <utils/BitSet.h>
 #include <utils/Timers.h>
 
+using std::literals::chrono_literals::operator""ms;
+
 namespace android {
 
 /**
@@ -53,12 +55,34 @@ const bool DEBUG_IMPULSE =
 // Nanoseconds per milliseconds.
 static const nsecs_t NANOS_PER_MS = 1000000;
 
+// All axes supported for velocity tracking, mapped to their default strategies.
+// Although other strategies are available for testing and comparison purposes,
+// the default strategy is the one that applications will actually use.  Be very careful
+// when adjusting the default strategy because it can dramatically affect
+// (often in a bad way) the user experience.
+static const std::map<int32_t, VelocityTracker::Strategy> DEFAULT_STRATEGY_BY_AXIS =
+        {{AMOTION_EVENT_AXIS_X, VelocityTracker::Strategy::LSQ2},
+         {AMOTION_EVENT_AXIS_Y, VelocityTracker::Strategy::LSQ2},
+         {AMOTION_EVENT_AXIS_SCROLL, VelocityTracker::Strategy::IMPULSE}};
+
+// Axes specifying location on a 2D plane (i.e. X and Y).
+static const std::set<int32_t> PLANAR_AXES = {AMOTION_EVENT_AXIS_X, AMOTION_EVENT_AXIS_Y};
+
+// Axes whose motion values are differential values (i.e. deltas).
+static const std::set<int32_t> DIFFERENTIAL_AXES = {AMOTION_EVENT_AXIS_SCROLL};
+
 // Threshold for determining that a pointer has stopped moving.
 // Some input devices do not send ACTION_MOVE events in the case where a pointer has
 // stopped.  We need to detect this case so that we can accurately predict the
 // velocity after the pointer starts moving again.
-static const nsecs_t ASSUME_POINTER_STOPPED_TIME = 40 * NANOS_PER_MS;
+static const std::chrono::duration ASSUME_POINTER_STOPPED_TIME = 40ms;
 
+static std::string toString(std::chrono::nanoseconds t) {
+    std::stringstream stream;
+    stream.precision(1);
+    stream << std::fixed << std::chrono::duration<float, std::milli>(t).count() << " ms";
+    return stream.str();
+}
 
 static float vectorDot(const float* a, const float* b, uint32_t m) {
     float r = 0;
@@ -118,46 +142,46 @@ static std::string matrixToString(const float* a, uint32_t m, uint32_t n, bool r
 // --- VelocityTracker ---
 
 VelocityTracker::VelocityTracker(const Strategy strategy)
-      : mLastEventTime(0), mCurrentPointerIdBits(0), mActivePointerId(-1) {
-    // Configure the strategy.
-    if (!configureStrategy(strategy)) {
-        ALOGE("Unrecognized velocity tracker strategy %" PRId32 ".", strategy);
-        if (!configureStrategy(VelocityTracker::DEFAULT_STRATEGY)) {
-            LOG_ALWAYS_FATAL("Could not create the default velocity tracker strategy '%" PRId32
-                             "'!",
-                             strategy);
-        }
-    }
-}
+      : mLastEventTime(0),
+        mCurrentPointerIdBits(0),
+        mActivePointerId(-1),
+        mOverrideStrategy(strategy) {}
 
 VelocityTracker::~VelocityTracker() {
 }
 
-bool VelocityTracker::configureStrategy(Strategy strategy) {
-    if (strategy == VelocityTracker::Strategy::DEFAULT) {
-        mStrategy = createStrategy(VelocityTracker::DEFAULT_STRATEGY);
+bool VelocityTracker::isAxisSupported(int32_t axis) {
+    return DEFAULT_STRATEGY_BY_AXIS.find(axis) != DEFAULT_STRATEGY_BY_AXIS.end();
+}
+
+void VelocityTracker::configureStrategy(int32_t axis) {
+    const bool isDifferentialAxis = DIFFERENTIAL_AXES.find(axis) != DIFFERENTIAL_AXES.end();
+
+    std::unique_ptr<VelocityTrackerStrategy> createdStrategy;
+    if (mOverrideStrategy != VelocityTracker::Strategy::DEFAULT) {
+        createdStrategy = createStrategy(mOverrideStrategy, isDifferentialAxis /* deltaValues */);
     } else {
-        mStrategy = createStrategy(strategy);
+        createdStrategy = createStrategy(DEFAULT_STRATEGY_BY_AXIS.at(axis),
+                                         isDifferentialAxis /* deltaValues */);
     }
-    return mStrategy != nullptr;
+
+    LOG_ALWAYS_FATAL_IF(createdStrategy == nullptr,
+                        "Could not create velocity tracker strategy for axis '%" PRId32 "'!", axis);
+    mConfiguredStrategies[axis] = std::move(createdStrategy);
 }
 
 std::unique_ptr<VelocityTrackerStrategy> VelocityTracker::createStrategy(
-        VelocityTracker::Strategy strategy) {
+        VelocityTracker::Strategy strategy, bool deltaValues) {
     switch (strategy) {
         case VelocityTracker::Strategy::IMPULSE:
-            if (DEBUG_STRATEGY) {
-                ALOGI("Initializing impulse strategy");
-            }
-            return std::make_unique<ImpulseVelocityTrackerStrategy>();
+            ALOGI_IF(DEBUG_STRATEGY, "Initializing impulse strategy");
+            return std::make_unique<ImpulseVelocityTrackerStrategy>(deltaValues);
 
         case VelocityTracker::Strategy::LSQ1:
             return std::make_unique<LeastSquaresVelocityTrackerStrategy>(1);
 
         case VelocityTracker::Strategy::LSQ2:
-            if (DEBUG_STRATEGY && !DEBUG_IMPULSE) {
-                ALOGI("Initializing lsq2 strategy");
-            }
+            ALOGI_IF(DEBUG_STRATEGY && !DEBUG_IMPULSE, "Initializing lsq2 strategy");
             return std::make_unique<LeastSquaresVelocityTrackerStrategy>(2);
 
         case VelocityTracker::Strategy::LSQ3:
@@ -197,8 +221,7 @@ std::unique_ptr<VelocityTrackerStrategy> VelocityTracker::createStrategy(
 void VelocityTracker::clear() {
     mCurrentPointerIdBits.clear();
     mActivePointerId = -1;
-
-    mStrategy->clear();
+    mConfiguredStrategies.clear();
 }
 
 void VelocityTracker::clearPointers(BitSet32 idBits) {
@@ -209,27 +232,25 @@ void VelocityTracker::clearPointers(BitSet32 idBits) {
         mActivePointerId = !remainingIdBits.isEmpty() ? remainingIdBits.firstMarkedBit() : -1;
     }
 
-    mStrategy->clearPointers(idBits);
+    for (const auto& [_, strategy] : mConfiguredStrategies) {
+        strategy->clearPointers(idBits);
+    }
 }
 
 void VelocityTracker::addMovement(nsecs_t eventTime, BitSet32 idBits,
-                                  const std::vector<VelocityTracker::Position>& positions) {
-    LOG_ALWAYS_FATAL_IF(idBits.count() != positions.size(),
-                        "Mismatching number of pointers, idBits=%" PRIu32 ", positions=%zu",
-                        idBits.count(), positions.size());
+                                  const std::map<int32_t /*axis*/, std::vector<float>>& positions) {
     while (idBits.count() > MAX_POINTERS) {
         idBits.clearLastMarkedBit();
     }
 
-    if ((mCurrentPointerIdBits.value & idBits.value)
-            && eventTime >= mLastEventTime + ASSUME_POINTER_STOPPED_TIME) {
-        if (DEBUG_VELOCITY) {
-            ALOGD("VelocityTracker: stopped for %0.3f ms, clearing state.",
-                  (eventTime - mLastEventTime) * 0.000001f);
-        }
+    if ((mCurrentPointerIdBits.value & idBits.value) &&
+        std::chrono::nanoseconds(eventTime - mLastEventTime) > ASSUME_POINTER_STOPPED_TIME) {
+        ALOGD_IF(DEBUG_VELOCITY, "VelocityTracker: stopped for %s, clearing state.",
+                 toString(std::chrono::nanoseconds(eventTime - mLastEventTime)).c_str());
+
         // We have not received any movements for too long.  Assume that all pointers
         // have stopped.
-        mStrategy->clear();
+        mConfiguredStrategies.clear();
     }
     mLastEventTime = eventTime;
 
@@ -238,29 +259,40 @@ void VelocityTracker::addMovement(nsecs_t eventTime, BitSet32 idBits,
         mActivePointerId = idBits.isEmpty() ? -1 : idBits.firstMarkedBit();
     }
 
-    mStrategy->addMovement(eventTime, idBits, positions);
+    for (const auto& [axis, positionValues] : positions) {
+        LOG_ALWAYS_FATAL_IF(idBits.count() != positionValues.size(),
+                            "Mismatching number of pointers, idBits=%" PRIu32 ", positions=%zu",
+                            idBits.count(), positionValues.size());
+        if (mConfiguredStrategies.find(axis) == mConfiguredStrategies.end()) {
+            configureStrategy(axis);
+        }
+        mConfiguredStrategies[axis]->addMovement(eventTime, idBits, positionValues);
+    }
 
     if (DEBUG_VELOCITY) {
         ALOGD("VelocityTracker: addMovement eventTime=%" PRId64
               ", idBits=0x%08x, activePointerId=%d",
               eventTime, idBits.value, mActivePointerId);
-        for (BitSet32 iterBits(idBits); !iterBits.isEmpty();) {
-            uint32_t id = iterBits.firstMarkedBit();
-            uint32_t index = idBits.getIndexOfBit(id);
-            iterBits.clearBit(id);
-            Estimator estimator;
-            getEstimator(id, &estimator);
-            ALOGD("  %d: position (%0.3f, %0.3f), "
-                  "estimator (degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f)",
-                  id, positions[index].x, positions[index].y, int(estimator.degree),
-                  vectorToString(estimator.xCoeff, estimator.degree + 1).c_str(),
-                  vectorToString(estimator.yCoeff, estimator.degree + 1).c_str(),
-                  estimator.confidence);
+        for (const auto& positionsEntry : positions) {
+            for (BitSet32 iterBits(idBits); !iterBits.isEmpty();) {
+                uint32_t id = iterBits.firstMarkedBit();
+                uint32_t index = idBits.getIndexOfBit(id);
+                iterBits.clearBit(id);
+                Estimator estimator;
+                getEstimator(positionsEntry.first, id, &estimator);
+                ALOGD("  %d: axis=%d, position=%0.3f, "
+                      "estimator (degree=%d, coeff=%s, confidence=%f)",
+                      id, positionsEntry.first, positionsEntry.second[index], int(estimator.degree),
+                      vectorToString(estimator.coeff, estimator.degree + 1).c_str(),
+                      estimator.confidence);
+            }
         }
     }
 }
 
 void VelocityTracker::addMovement(const MotionEvent* event) {
+    // Stores data about which axes to process based on the incoming motion event.
+    std::set<int32_t> axesToProcess;
     int32_t actionMasked = event->getActionMasked();
 
     switch (actionMasked) {
@@ -268,6 +300,7 @@ void VelocityTracker::addMovement(const MotionEvent* event) {
     case AMOTION_EVENT_ACTION_HOVER_ENTER:
         // Clear all pointers on down before adding the new movement.
         clear();
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
     case AMOTION_EVENT_ACTION_POINTER_DOWN: {
         // Start a new movement trace for a pointer that just went down.
@@ -276,13 +309,27 @@ void VelocityTracker::addMovement(const MotionEvent* event) {
         BitSet32 downIdBits;
         downIdBits.markBit(event->getPointerId(event->getActionIndex()));
         clearPointers(downIdBits);
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
     }
     case AMOTION_EVENT_ACTION_MOVE:
     case AMOTION_EVENT_ACTION_HOVER_MOVE:
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
-    default:
-        // Ignore all other actions because they do not convey any new information about
+    case AMOTION_EVENT_ACTION_POINTER_UP:
+    case AMOTION_EVENT_ACTION_UP: {
+        std::chrono::nanoseconds delaySinceLastEvent(event->getEventTime() - mLastEventTime);
+        if (delaySinceLastEvent > ASSUME_POINTER_STOPPED_TIME) {
+            ALOGD_IF(DEBUG_VELOCITY,
+                     "VelocityTracker: stopped for %s, clearing state upon pointer liftoff.",
+                     toString(delaySinceLastEvent).c_str());
+            // We have not received any movements for too long.  Assume that all pointers
+            // have stopped.
+            for (int32_t axis : PLANAR_AXES) {
+                mConfiguredStrategies.erase(axis);
+            }
+        }
+        // These actions because they do not convey any new information about
         // pointer movement.  We also want to preserve the last known velocity of the pointers.
         // Note that ACTION_UP and ACTION_POINTER_UP always report the last known position
         // of the pointers that went up.  ACTION_POINTER_UP does include the new position of
@@ -292,6 +339,13 @@ void VelocityTracker::addMovement(const MotionEvent* event) {
         // before adding the movement.
         return;
     }
+    case AMOTION_EVENT_ACTION_SCROLL:
+        axesToProcess.insert(AMOTION_EVENT_AXIS_SCROLL);
+        break;
+    default:
+        // Ignore all other actions.
+        return;
+    }
 
     size_t pointerCount = event->getPointerCount();
     if (pointerCount > MAX_POINTERS) {
@@ -308,62 +362,74 @@ void VelocityTracker::addMovement(const MotionEvent* event) {
         pointerIndex[i] = idBits.getIndexOfBit(event->getPointerId(i));
     }
 
-    std::vector<Position> positions;
-    positions.resize(pointerCount);
+    std::map<int32_t, std::vector<float>> positions;
+    for (int32_t axis : axesToProcess) {
+        positions[axis].resize(pointerCount);
+    }
 
     size_t historySize = event->getHistorySize();
     for (size_t h = 0; h <= historySize; h++) {
         nsecs_t eventTime = event->getHistoricalEventTime(h);
-        for (size_t i = 0; i < pointerCount; i++) {
-            uint32_t index = pointerIndex[i];
-            positions[index].x = event->getHistoricalX(i, h);
-            positions[index].y = event->getHistoricalY(i, h);
+        for (int32_t axis : axesToProcess) {
+            for (size_t i = 0; i < pointerCount; i++) {
+                positions[axis][pointerIndex[i]] = event->getHistoricalAxisValue(axis, i, h);
+            }
         }
         addMovement(eventTime, idBits, positions);
     }
 }
 
-bool VelocityTracker::getVelocity(uint32_t id, float* outVx, float* outVy) const {
+std::optional<float> VelocityTracker::getVelocity(int32_t axis, uint32_t id) const {
     Estimator estimator;
-    if (getEstimator(id, &estimator) && estimator.degree >= 1) {
-        *outVx = estimator.xCoeff[1];
-        *outVy = estimator.yCoeff[1];
-        return true;
+    bool validVelocity = getEstimator(axis, id, &estimator) && estimator.degree >= 1;
+    if (validVelocity) {
+        return estimator.coeff[1];
     }
-    *outVx = 0;
-    *outVy = 0;
-    return false;
+    return {};
 }
 
-bool VelocityTracker::getEstimator(uint32_t id, Estimator* outEstimator) const {
-    return mStrategy->getEstimator(id, outEstimator);
+VelocityTracker::ComputedVelocity VelocityTracker::getComputedVelocity(int32_t units,
+                                                                       float maxVelocity) {
+    ComputedVelocity computedVelocity;
+    for (const auto& [axis, _] : mConfiguredStrategies) {
+        BitSet32 copyIdBits = BitSet32(mCurrentPointerIdBits);
+        while (!copyIdBits.isEmpty()) {
+            uint32_t id = copyIdBits.clearFirstMarkedBit();
+            std::optional<float> velocity = getVelocity(axis, id);
+            if (velocity) {
+                float adjustedVelocity =
+                        std::clamp(*velocity * units / 1000, -maxVelocity, maxVelocity);
+                computedVelocity.addVelocity(axis, id, adjustedVelocity);
+            }
+        }
+    }
+    return computedVelocity;
 }
 
+bool VelocityTracker::getEstimator(int32_t axis, uint32_t id, Estimator* outEstimator) const {
+    const auto& it = mConfiguredStrategies.find(axis);
+    if (it == mConfiguredStrategies.end()) {
+        return false;
+    }
+    return it->second->getEstimator(id, outEstimator);
+}
 
 // --- LeastSquaresVelocityTrackerStrategy ---
 
-LeastSquaresVelocityTrackerStrategy::LeastSquaresVelocityTrackerStrategy(
-        uint32_t degree, Weighting weighting) :
-        mDegree(degree), mWeighting(weighting) {
-    clear();
-}
+LeastSquaresVelocityTrackerStrategy::LeastSquaresVelocityTrackerStrategy(uint32_t degree,
+                                                                         Weighting weighting)
+      : mDegree(degree), mWeighting(weighting), mIndex(0) {}
 
 LeastSquaresVelocityTrackerStrategy::~LeastSquaresVelocityTrackerStrategy() {
 }
 
-void LeastSquaresVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void LeastSquaresVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void LeastSquaresVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void LeastSquaresVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                      const std::vector<float>& positions) {
     if (mMovements[mIndex].eventTime != eventTime) {
         // When ACTION_POINTER_DOWN happens, we will first receive ACTION_MOVE with the coordinates
         // of the existing pointers, and then ACTION_POINTER_DOWN with the coordinates that include
@@ -438,10 +504,10 @@ void LeastSquaresVelocityTrackerStrategy::addMovement(
 static bool solveLeastSquares(const std::vector<float>& x, const std::vector<float>& y,
                               const std::vector<float>& w, uint32_t n, float* outB, float* outDet) {
     const size_t m = x.size();
-    if (DEBUG_STRATEGY) {
-        ALOGD("solveLeastSquares: m=%d, n=%d, x=%s, y=%s, w=%s", int(m), int(n),
-              vectorToString(x).c_str(), vectorToString(y).c_str(), vectorToString(w).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "solveLeastSquares: m=%d, n=%d, x=%s, y=%s, w=%s", int(m), int(n),
+             vectorToString(x).c_str(), vectorToString(y).c_str(), vectorToString(w).c_str());
+
     LOG_ALWAYS_FATAL_IF(m != y.size() || m != w.size(), "Mismatched vector sizes");
 
     // Expand the X vector to a matrix A, pre-multiplied by the weights.
@@ -452,9 +518,9 @@ static bool solveLeastSquares(const std::vector<float>& x, const std::vector<flo
             a[i][h] = a[i - 1][h] * x[h];
         }
     }
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - a=%s", matrixToString(&a[0][0], m, n, false /*rowMajor*/).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - a=%s",
+             matrixToString(&a[0][0], m, n, false /*rowMajor*/).c_str());
 
     // Apply the Gram-Schmidt process to A to obtain its QR decomposition.
     float q[n][m]; // orthonormal basis, column-major order
@@ -473,9 +539,7 @@ static bool solveLeastSquares(const std::vector<float>& x, const std::vector<flo
         float norm = vectorNorm(&q[j][0], m);
         if (norm < 0.000001f) {
             // vectors are linearly dependent or zero so no solution
-            if (DEBUG_STRATEGY) {
-                ALOGD("  - no solution, norm=%f", norm);
-            }
+            ALOGD_IF(DEBUG_STRATEGY, "  - no solution, norm=%f", norm);
             return false;
         }
 
@@ -518,9 +582,8 @@ static bool solveLeastSquares(const std::vector<float>& x, const std::vector<flo
         }
         outB[i] /= r[i][i];
     }
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - b=%s", vectorToString(outB, n).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - b=%s", vectorToString(outB, n).c_str());
 
     // Calculate the coefficient of determination as 1 - (SSerr / SStot) where
     // SSerr is the residual sum of squares (variance of the error),
@@ -546,11 +609,11 @@ static bool solveLeastSquares(const std::vector<float>& x, const std::vector<flo
         sstot += w[h] * w[h] * var * var;
     }
     *outDet = sstot > 0.000001f ? 1.0f - (sserr / sstot) : 1;
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - sserr=%f", sserr);
-        ALOGD("  - sstot=%f", sstot);
-        ALOGD("  - det=%f", *outDet);
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - sserr=%f", sserr);
+    ALOGD_IF(DEBUG_STRATEGY, "  - sstot=%f", sstot);
+    ALOGD_IF(DEBUG_STRATEGY, "  - det=%f", *outDet);
+
     return true;
 }
 
@@ -613,8 +676,7 @@ bool LeastSquaresVelocityTrackerStrategy::getEstimator(uint32_t id,
     outEstimator->clear();
 
     // Iterate over movement samples in reverse time order and collect samples.
-    std::vector<float> x;
-    std::vector<float> y;
+    std::vector<float> positions;
     std::vector<float> w;
     std::vector<float> time;
 
@@ -631,15 +693,13 @@ bool LeastSquaresVelocityTrackerStrategy::getEstimator(uint32_t id,
             break;
         }
 
-        const VelocityTracker::Position& position = movement.getPosition(id);
-        x.push_back(position.x);
-        y.push_back(position.y);
+        positions.push_back(movement.getPosition(id));
         w.push_back(chooseWeight(index));
         time.push_back(-age * 0.000000001f);
         index = (index == 0 ? HISTORY_SIZE : index) - 1;
-    } while (x.size() < HISTORY_SIZE);
+    } while (positions.size() < HISTORY_SIZE);
 
-    const size_t m = x.size();
+    const size_t m = positions.size();
     if (m == 0) {
         return false; // no data
     }
@@ -652,39 +712,36 @@ bool LeastSquaresVelocityTrackerStrategy::getEstimator(uint32_t id,
 
     if (degree == 2 && mWeighting == WEIGHTING_NONE) {
         // Optimize unweighted, quadratic polynomial fit
-        std::optional<std::array<float, 3>> xCoeff = solveUnweightedLeastSquaresDeg2(time, x);
-        std::optional<std::array<float, 3>> yCoeff = solveUnweightedLeastSquaresDeg2(time, y);
-        if (xCoeff && yCoeff) {
+        std::optional<std::array<float, 3>> coeff =
+                solveUnweightedLeastSquaresDeg2(time, positions);
+        if (coeff) {
             outEstimator->time = newestMovement.eventTime;
             outEstimator->degree = 2;
             outEstimator->confidence = 1;
             for (size_t i = 0; i <= outEstimator->degree; i++) {
-                outEstimator->xCoeff[i] = (*xCoeff)[i];
-                outEstimator->yCoeff[i] = (*yCoeff)[i];
+                outEstimator->coeff[i] = (*coeff)[i];
             }
             return true;
         }
     } else if (degree >= 1) {
         // General case for an Nth degree polynomial fit
-        float xdet, ydet;
+        float det;
         uint32_t n = degree + 1;
-        if (solveLeastSquares(time, x, w, n, outEstimator->xCoeff, &xdet) &&
-            solveLeastSquares(time, y, w, n, outEstimator->yCoeff, &ydet)) {
+        if (solveLeastSquares(time, positions, w, n, outEstimator->coeff, &det)) {
             outEstimator->time = newestMovement.eventTime;
             outEstimator->degree = degree;
-            outEstimator->confidence = xdet * ydet;
-            if (DEBUG_STRATEGY) {
-                ALOGD("estimate: degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f",
-                      int(outEstimator->degree), vectorToString(outEstimator->xCoeff, n).c_str(),
-                      vectorToString(outEstimator->yCoeff, n).c_str(), outEstimator->confidence);
-            }
+            outEstimator->confidence = det;
+
+            ALOGD_IF(DEBUG_STRATEGY, "estimate: degree=%d, coeff=%s, confidence=%f",
+                     int(outEstimator->degree), vectorToString(outEstimator->coeff, n).c_str(),
+                     outEstimator->confidence);
+
             return true;
         }
     }
 
     // No velocity data available for this pointer, but we do have its current position.
-    outEstimator->xCoeff[0] = x[0];
-    outEstimator->yCoeff[0] = y[0];
+    outEstimator->coeff[0] = positions[0];
     outEstimator->time = newestMovement.eventTime;
     outEstimator->degree = 0;
     outEstimator->confidence = 1;
@@ -768,26 +825,21 @@ IntegratingVelocityTrackerStrategy::IntegratingVelocityTrackerStrategy(uint32_t
 IntegratingVelocityTrackerStrategy::~IntegratingVelocityTrackerStrategy() {
 }
 
-void IntegratingVelocityTrackerStrategy::clear() {
-    mPointerIdBits.clear();
-}
-
 void IntegratingVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     mPointerIdBits.value &= ~idBits.value;
 }
 
-void IntegratingVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void IntegratingVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                     const std::vector<float>& positions) {
     uint32_t index = 0;
     for (BitSet32 iterIdBits(idBits); !iterIdBits.isEmpty();) {
         uint32_t id = iterIdBits.clearFirstMarkedBit();
         State& state = mPointerState[id];
-        const VelocityTracker::Position& position = positions[index++];
+        const float position = positions[index++];
         if (mPointerIdBits.hasBit(id)) {
-            updateState(state, eventTime, position.x, position.y);
+            updateState(state, eventTime, position);
         } else {
-            initState(state, eventTime, position.x, position.y);
+            initState(state, eventTime, position);
         }
     }
 
@@ -807,21 +859,18 @@ bool IntegratingVelocityTrackerStrategy::getEstimator(uint32_t id,
     return false;
 }
 
-void IntegratingVelocityTrackerStrategy::initState(State& state,
-        nsecs_t eventTime, float xpos, float ypos) const {
+void IntegratingVelocityTrackerStrategy::initState(State& state, nsecs_t eventTime,
+                                                   float pos) const {
     state.updateTime = eventTime;
     state.degree = 0;
 
-    state.xpos = xpos;
-    state.xvel = 0;
-    state.xaccel = 0;
-    state.ypos = ypos;
-    state.yvel = 0;
-    state.yaccel = 0;
+    state.pos = pos;
+    state.accel = 0;
+    state.vel = 0;
 }
 
-void IntegratingVelocityTrackerStrategy::updateState(State& state,
-        nsecs_t eventTime, float xpos, float ypos) const {
+void IntegratingVelocityTrackerStrategy::updateState(State& state, nsecs_t eventTime,
+                                                     float pos) const {
     const nsecs_t MIN_TIME_DELTA = 2 * NANOS_PER_MS;
     const float FILTER_TIME_CONSTANT = 0.010f; // 10 milliseconds
 
@@ -832,34 +881,26 @@ void IntegratingVelocityTrackerStrategy::updateState(State& state,
     float dt = (eventTime - state.updateTime) * 0.000000001f;
     state.updateTime = eventTime;
 
-    float xvel = (xpos - state.xpos) / dt;
-    float yvel = (ypos - state.ypos) / dt;
+    float vel = (pos - state.pos) / dt;
     if (state.degree == 0) {
-        state.xvel = xvel;
-        state.yvel = yvel;
+        state.vel = vel;
         state.degree = 1;
     } else {
         float alpha = dt / (FILTER_TIME_CONSTANT + dt);
         if (mDegree == 1) {
-            state.xvel += (xvel - state.xvel) * alpha;
-            state.yvel += (yvel - state.yvel) * alpha;
+            state.vel += (vel - state.vel) * alpha;
         } else {
-            float xaccel = (xvel - state.xvel) / dt;
-            float yaccel = (yvel - state.yvel) / dt;
+            float accel = (vel - state.vel) / dt;
             if (state.degree == 1) {
-                state.xaccel = xaccel;
-                state.yaccel = yaccel;
+                state.accel = accel;
                 state.degree = 2;
             } else {
-                state.xaccel += (xaccel - state.xaccel) * alpha;
-                state.yaccel += (yaccel - state.yaccel) * alpha;
+                state.accel += (accel - state.accel) * alpha;
             }
-            state.xvel += (state.xaccel * dt) * alpha;
-            state.yvel += (state.yaccel * dt) * alpha;
+            state.vel += (state.accel * dt) * alpha;
         }
     }
-    state.xpos = xpos;
-    state.ypos = ypos;
+    state.pos = pos;
 }
 
 void IntegratingVelocityTrackerStrategy::populateEstimator(const State& state,
@@ -867,37 +908,26 @@ void IntegratingVelocityTrackerStrategy::populateEstimator(const State& state,
     outEstimator->time = state.updateTime;
     outEstimator->confidence = 1.0f;
     outEstimator->degree = state.degree;
-    outEstimator->xCoeff[0] = state.xpos;
-    outEstimator->xCoeff[1] = state.xvel;
-    outEstimator->xCoeff[2] = state.xaccel / 2;
-    outEstimator->yCoeff[0] = state.ypos;
-    outEstimator->yCoeff[1] = state.yvel;
-    outEstimator->yCoeff[2] = state.yaccel / 2;
+    outEstimator->coeff[0] = state.pos;
+    outEstimator->coeff[1] = state.vel;
+    outEstimator->coeff[2] = state.accel / 2;
 }
 
 
 // --- LegacyVelocityTrackerStrategy ---
 
-LegacyVelocityTrackerStrategy::LegacyVelocityTrackerStrategy() {
-    clear();
-}
+LegacyVelocityTrackerStrategy::LegacyVelocityTrackerStrategy() : mIndex(0) {}
 
 LegacyVelocityTrackerStrategy::~LegacyVelocityTrackerStrategy() {
 }
 
-void LegacyVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void LegacyVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void LegacyVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void LegacyVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                const std::vector<float>& positions) {
     if (++mIndex == HISTORY_SIZE) {
         mIndex = 0;
     }
@@ -945,12 +975,11 @@ bool LegacyVelocityTrackerStrategy::getEstimator(uint32_t id,
     // overestimate the velocity at that time point.  Most samples might be measured
     // 16ms apart but some consecutive samples could be only 0.5sm apart because
     // the hardware or driver reports them irregularly or in bursts.
-    float accumVx = 0;
-    float accumVy = 0;
+    float accumV = 0;
     uint32_t index = oldestIndex;
     uint32_t samplesUsed = 0;
     const Movement& oldestMovement = mMovements[oldestIndex];
-    const VelocityTracker::Position& oldestPosition = oldestMovement.getPosition(id);
+    float oldestPosition = oldestMovement.getPosition(id);
     nsecs_t lastDuration = 0;
 
     while (numTouches-- > 1) {
@@ -964,26 +993,22 @@ bool LegacyVelocityTrackerStrategy::getEstimator(uint32_t id,
         // the velocity.  Consequently, we impose a minimum duration constraint on the
         // samples that we include in the calculation.
         if (duration >= MIN_DURATION) {
-            const VelocityTracker::Position& position = movement.getPosition(id);
+            float position = movement.getPosition(id);
             float scale = 1000000000.0f / duration; // one over time delta in seconds
-            float vx = (position.x - oldestPosition.x) * scale;
-            float vy = (position.y - oldestPosition.y) * scale;
-            accumVx = (accumVx * lastDuration + vx * duration) / (duration + lastDuration);
-            accumVy = (accumVy * lastDuration + vy * duration) / (duration + lastDuration);
+            float v = (position - oldestPosition) * scale;
+            accumV = (accumV * lastDuration + v * duration) / (duration + lastDuration);
             lastDuration = duration;
             samplesUsed += 1;
         }
     }
 
     // Report velocity.
-    const VelocityTracker::Position& newestPosition = newestMovement.getPosition(id);
+    float newestPosition = newestMovement.getPosition(id);
     outEstimator->time = newestMovement.eventTime;
     outEstimator->confidence = 1;
-    outEstimator->xCoeff[0] = newestPosition.x;
-    outEstimator->yCoeff[0] = newestPosition.y;
+    outEstimator->coeff[0] = newestPosition;
     if (samplesUsed) {
-        outEstimator->xCoeff[1] = accumVx;
-        outEstimator->yCoeff[1] = accumVy;
+        outEstimator->coeff[1] = accumV;
         outEstimator->degree = 1;
     } else {
         outEstimator->degree = 0;
@@ -993,26 +1018,19 @@ bool LegacyVelocityTrackerStrategy::getEstimator(uint32_t id,
 
 // --- ImpulseVelocityTrackerStrategy ---
 
-ImpulseVelocityTrackerStrategy::ImpulseVelocityTrackerStrategy() {
-    clear();
-}
+ImpulseVelocityTrackerStrategy::ImpulseVelocityTrackerStrategy(bool deltaValues)
+      : mDeltaValues(deltaValues), mIndex(0) {}
 
 ImpulseVelocityTrackerStrategy::~ImpulseVelocityTrackerStrategy() {
 }
 
-void ImpulseVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void ImpulseVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void ImpulseVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void ImpulseVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                 const std::vector<float>& positions) {
     if (mMovements[mIndex].eventTime != eventTime) {
         // When ACTION_POINTER_DOWN happens, we will first receive ACTION_MOVE with the coordinates
         // of the existing pointers, and then ACTION_POINTER_DOWN with the coordinates that include
@@ -1109,7 +1127,8 @@ static float kineticEnergyToVelocity(float work) {
     return (work < 0 ? -1.0 : 1.0) * sqrtf(fabsf(work)) * sqrt2;
 }
 
-static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t count) {
+static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t count,
+                                      bool deltaValues) {
     // The input should be in reversed time order (most recent sample at index i=0)
     // t[i] is in nanoseconds, but due to FP arithmetic, convert to seconds inside this function
     static constexpr float SECONDS_PER_NANO = 1E-9;
@@ -1120,12 +1139,26 @@ static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t c
     if (t[1] > t[0]) { // Algorithm will still work, but not perfectly
         ALOGE("Samples provided to calculateImpulseVelocity in the wrong order");
     }
+
+    // If the data values are delta values, we do not have to calculate deltas here.
+    // We can use the delta values directly, along with the calculated time deltas.
+    // Since the data value input is in reversed time order:
+    //      [a] for non-delta inputs, instantenous velocity = (x[i] - x[i-1])/(t[i] - t[i-1])
+    //      [b] for delta inputs, instantenous velocity = -x[i-1]/(t[i] - t[i - 1])
+    // e.g., let the non-delta values are: V = [2, 3, 7], the equivalent deltas are D = [2, 1, 4].
+    // Since the input is in reversed time order, the input values for this function would be
+    // V'=[7, 3, 2] and D'=[4, 1, 2] for the non-delta and delta values, respectively.
+    //
+    // The equivalent of {(V'[2] - V'[1]) = 2 - 3 = -1} would be {-D'[1] = -1}
+    // Similarly, the equivalent of {(V'[1] - V'[0]) = 3 - 7 = -4} would be {-D'[0] = -4}
+
     if (count == 2) { // if 2 points, basic linear calculation
         if (t[1] == t[0]) {
             ALOGE("Events have identical time stamps t=%" PRId64 ", setting velocity = 0", t[0]);
             return 0;
         }
-        return (x[1] - x[0]) / (SECONDS_PER_NANO * (t[1] - t[0]));
+        const float deltaX = deltaValues ? -x[0] : x[1] - x[0];
+        return deltaX / (SECONDS_PER_NANO * (t[1] - t[0]));
     }
     // Guaranteed to have at least 3 points here
     float work = 0;
@@ -1135,7 +1168,8 @@ static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t c
             continue;
         }
         float vprev = kineticEnergyToVelocity(work); // v[i-1]
-        float vcurr = (x[i] - x[i-1]) / (SECONDS_PER_NANO * (t[i] - t[i-1])); // v[i]
+        const float deltaX = deltaValues ? -x[i-1] : x[i] - x[i-1];
+        float vcurr = deltaX / (SECONDS_PER_NANO * (t[i] - t[i-1])); // v[i]
         work += (vcurr - vprev) * fabsf(vcurr);
         if (i == count - 1) {
             work *= 0.5; // initial condition, case 2) above
@@ -1149,8 +1183,7 @@ bool ImpulseVelocityTrackerStrategy::getEstimator(uint32_t id,
     outEstimator->clear();
 
     // Iterate over movement samples in reverse time order and collect samples.
-    float x[HISTORY_SIZE];
-    float y[HISTORY_SIZE];
+    float positions[HISTORY_SIZE];
     nsecs_t time[HISTORY_SIZE];
     size_t m = 0; // number of points that will be used for fitting
     size_t index = mIndex;
@@ -1166,9 +1199,7 @@ bool ImpulseVelocityTrackerStrategy::getEstimator(uint32_t id,
             break;
         }
 
-        const VelocityTracker::Position& position = movement.getPosition(id);
-        x[m] = position.x;
-        y[m] = position.y;
+        positions[m] = movement.getPosition(id);
         time[m] = movement.eventTime;
         index = (index == 0 ? HISTORY_SIZE : index) - 1;
     } while (++m < HISTORY_SIZE);
@@ -1176,32 +1207,30 @@ bool ImpulseVelocityTrackerStrategy::getEstimator(uint32_t id,
     if (m == 0) {
         return false; // no data
     }
-    outEstimator->xCoeff[0] = 0;
-    outEstimator->yCoeff[0] = 0;
-    outEstimator->xCoeff[1] = calculateImpulseVelocity(time, x, m);
-    outEstimator->yCoeff[1] = calculateImpulseVelocity(time, y, m);
-    outEstimator->xCoeff[2] = 0;
-    outEstimator->yCoeff[2] = 0;
+    outEstimator->coeff[0] = 0;
+    outEstimator->coeff[1] = calculateImpulseVelocity(time, positions, m, mDeltaValues);
+    outEstimator->coeff[2] = 0;
+
     outEstimator->time = newestMovement.eventTime;
     outEstimator->degree = 2; // similar results to 2nd degree fit
     outEstimator->confidence = 1;
-    if (DEBUG_STRATEGY) {
-        ALOGD("velocity: (%.1f, %.1f)", outEstimator->xCoeff[1], outEstimator->yCoeff[1]);
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "velocity: %.1f", outEstimator->coeff[1]);
+
     if (DEBUG_IMPULSE) {
         // TODO(b/134179997): delete this block once the switch to 'impulse' is complete.
-        // Calculate the lsq2 velocity for the same inputs to allow runtime comparisons
+        // Calculate the lsq2 velocity for the same inputs to allow runtime comparisons.
+        // X axis chosen arbitrarily for velocity comparisons.
         VelocityTracker lsq2(VelocityTracker::Strategy::LSQ2);
         BitSet32 idBits;
         const uint32_t pointerId = 0;
         idBits.markBit(pointerId);
         for (ssize_t i = m - 1; i >= 0; i--) {
-            lsq2.addMovement(time[i], idBits, {{x[i], y[i]}});
+            lsq2.addMovement(time[i], idBits, {{AMOTION_EVENT_AXIS_X, {positions[i]}}});
         }
-        float outVx = 0, outVy = 0;
-        const bool computed = lsq2.getVelocity(pointerId, &outVx, &outVy);
-        if (computed) {
-            ALOGD("lsq2 velocity: (%.1f, %.1f)", outVx, outVy);
+        std::optional<float> v = lsq2.getVelocity(AMOTION_EVENT_AXIS_X, pointerId);
+        if (v) {
+            ALOGD("lsq2 velocity: %.1f", *v);
         } else {
             ALOGD("lsq2 velocity: could not compute velocity");
         }
diff --git a/libs/input/android/hardware/input/InputDeviceCountryCode.aidl b/libs/input/android/hardware/input/InputDeviceCountryCode.aidl
new file mode 100644
index 0000000000..6bb1a60dda
--- /dev/null
+++ b/libs/input/android/hardware/input/InputDeviceCountryCode.aidl
@@ -0,0 +1,212 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.input;
+
+/**
+ * Constant for HID country code declared by a HID device. These constants are declared as AIDL to
+ * be used by java and native input code.
+ *
+ * @hide
+ */
+@Backing(type="int")
+enum InputDeviceCountryCode {
+    /**
+     * Used as default value where country code is not set in the device HID descriptor
+     */
+    INVALID = -1,
+
+    /**
+     * Used as default value when country code is not supported by the HID device. The HID
+     * descriptor sets "00" as the country code in this case.
+     */
+    NOT_SUPPORTED = 0,
+
+    /**
+     * Arabic
+     */
+    ARABIC = 1,
+
+    /**
+     * Belgian
+     */
+    BELGIAN = 2,
+
+    /**
+     * Canadian (Bilingual)
+     */
+    CANADIAN_BILINGUAL = 3,
+
+    /**
+     * Canadian (French)
+     */
+    CANADIAN_FRENCH = 4,
+
+    /**
+     * Czech Republic
+     */
+    CZECH_REPUBLIC = 5,
+
+    /**
+     * Danish
+     */
+    DANISH = 6,
+
+    /**
+     * Finnish
+     */
+    FINNISH = 7,
+
+    /**
+     * French
+     */
+    FRENCH = 8,
+
+    /**
+     * German
+     */
+    GERMAN = 9,
+
+    /**
+     * Greek
+     */
+    GREEK = 10,
+
+    /**
+     * Hebrew
+     */
+    HEBREW = 11,
+
+    /**
+     * Hungary
+     */
+    HUNGARY = 12,
+
+    /**
+     * International (ISO)
+     */
+    INTERNATIONAL = 13,
+
+    /**
+     * Italian
+     */
+    ITALIAN = 14,
+
+    /**
+     * Japan (Katakana)
+     */
+    JAPAN = 15,
+
+    /**
+     * Korean
+     */
+    KOREAN = 16,
+
+    /**
+     * Latin American
+     */
+    LATIN_AMERICAN = 17,
+
+    /**
+     * Netherlands (Dutch)
+     */
+    DUTCH = 18,
+
+    /**
+     * Norwegian
+     */
+    NORWEGIAN = 19,
+
+    /**
+     * Persian
+     */
+    PERSIAN = 20,
+
+    /**
+     * Poland
+     */
+    POLAND = 21,
+
+    /**
+     * Portuguese
+     */
+    PORTUGUESE = 22,
+
+    /**
+     * Russia
+     */
+    RUSSIA = 23,
+
+    /**
+     * Slovakia
+     */
+    SLOVAKIA = 24,
+
+    /**
+     * Spanish
+     */
+    SPANISH = 25,
+
+    /**
+     * Swedish
+     */
+    SWEDISH = 26,
+
+    /**
+     * Swiss (French)
+     */
+    SWISS_FRENCH = 27,
+
+    /**
+     * Swiss (German)
+     */
+    SWISS_GERMAN = 28,
+
+    /**
+     * Switzerland
+     */
+    SWITZERLAND = 29,
+
+    /**
+     * Taiwan
+     */
+    TAIWAN = 30,
+
+    /**
+     * Turkish_Q
+     */
+    TURKISH_Q = 31,
+
+    /**
+     * UK
+     */
+    UK = 32,
+
+    /**
+     * US
+     */
+    US = 33,
+
+    /**
+     * Yugoslavia
+     */
+    YUGOSLAVIA = 34,
+
+    /**
+     * Turkish_F
+     */
+    TURKISH_F = 35,
+}
\ No newline at end of file
diff --git a/libs/input/android/os/BlockUntrustedTouchesMode.aidl b/libs/input/android/os/BlockUntrustedTouchesMode.aidl
deleted file mode 100644
index 9504e993f8..0000000000
--- a/libs/input/android/os/BlockUntrustedTouchesMode.aidl
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * Copyright (c) 2020, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.os;
-
-
-/**
-  * Block untrusted touches feature mode.
-  *
-  * @hide
-  */
-@Backing(type="int")
-enum BlockUntrustedTouchesMode {
-    /** Feature is off. */
-    DISABLED,
-
-    /** Untrusted touches are flagged but not blocked. */
-    PERMISSIVE,
-
-    /** Untrusted touches are blocked. */
-    BLOCK
-}
diff --git a/libs/input/android/os/IInputConstants.aidl b/libs/input/android/os/IInputConstants.aidl
index 5ce10a4a50..dab843b48f 100644
--- a/libs/input/android/os/IInputConstants.aidl
+++ b/libs/input/android/os/IInputConstants.aidl
@@ -35,6 +35,14 @@ interface IInputConstants
     const int INVALID_INPUT_EVENT_ID = 0;
 
     /**
+     * Every input device has an id. This constant value is used when a valid input device id is not
+     * available.
+     * The virtual keyboard uses -1 as the input device id. Therefore, we use -2 as the value for
+     * an invalid input device.
+     */
+    const int INVALID_INPUT_DEVICE_ID = -2;
+
+    /**
      * The input event was injected from accessibility. Used in policyFlags for input event
      * injection.
      */
diff --git a/libs/input/android/os/InputConfig.aidl b/libs/input/android/os/InputConfig.aidl
index 6d1b3967f7..4e644fff06 100644
--- a/libs/input/android/os/InputConfig.aidl
+++ b/libs/input/android/os/InputConfig.aidl
@@ -144,4 +144,10 @@ enum InputConfig {
      * It is not valid to set this configuration if {@link #TRUSTED_OVERLAY} is not set.
      */
     INTERCEPTS_STYLUS            = 1 << 15,
+
+    /**
+     * The window is a clone of another window. This may be treated differently since there's
+     * likely a duplicate window with the same client token, but different bounds.
+     */
+    CLONE                        = 1 << 16,
 }
diff --git a/libs/input/tests/Android.bp b/libs/input/tests/Android.bp
index d947cd99e8..5aae37dae8 100644
--- a/libs/input/tests/Android.bp
+++ b/libs/input/tests/Android.bp
@@ -10,12 +10,14 @@ package {
 
 cc_test {
     name: "libinput_tests",
+    host_supported: true,
     srcs: [
         "IdGenerator_test.cpp",
         "InputChannel_test.cpp",
         "InputDevice_test.cpp",
         "InputEvent_test.cpp",
         "InputPublisherAndConsumer_test.cpp",
+        "TouchResampling_test.cpp",
         "TouchVideoFrame_test.cpp",
         "VelocityTracker_test.cpp",
         "VerifiedInputEvent_test.cpp",
@@ -23,6 +25,7 @@ cc_test {
     static_libs: [
         "libgui_window_info_static",
         "libinput",
+        "libui-types",
     ],
     cflags: [
         "-Wall",
@@ -34,11 +37,13 @@ cc_test {
         "libbinder",
         "libcutils",
         "liblog",
-        "libui",
         "libutils",
         "libvintf",
     ],
     data: ["data/*"],
+    test_options: {
+        unit_test: true,
+    },
     test_suites: ["device-tests"],
 }
 
@@ -59,7 +64,6 @@ cc_library_static {
         "libcutils",
         "libutils",
         "libbinder",
-        "libui",
         "libbase",
     ],
 }
diff --git a/libs/input/tests/InputDevice_test.cpp b/libs/input/tests/InputDevice_test.cpp
index e872fa442b..2344463241 100644
--- a/libs/input/tests/InputDevice_test.cpp
+++ b/libs/input/tests/InputDevice_test.cpp
@@ -65,6 +65,9 @@ protected:
     }
 
     void SetUp() override {
+#if !defined(__ANDROID__)
+        GTEST_SKIP() << "b/253299089 Generic files are currently read directly from device.";
+#endif
         loadKeyLayout("Generic");
         loadKeyCharacterMap("Generic");
     }
@@ -131,6 +134,9 @@ TEST_F(InputDeviceKeyMapTest, keyCharacteMapApplyMultipleOverlaysTest) {
 }
 
 TEST(InputDeviceKeyLayoutTest, DoesNotLoadWhenRequiredKernelConfigIsMissing) {
+#if !defined(__ANDROID__)
+    GTEST_SKIP() << "Can't check kernel configs on host";
+#endif
     std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_fake_config.kl";
     base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
     ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;
@@ -139,6 +145,9 @@ TEST(InputDeviceKeyLayoutTest, DoesNotLoadWhenRequiredKernelConfigIsMissing) {
 }
 
 TEST(InputDeviceKeyLayoutTest, LoadsWhenRequiredKernelConfigIsPresent) {
+#if !defined(__ANDROID__)
+    GTEST_SKIP() << "Can't check kernel configs on host";
+#endif
     std::string klPath = base::GetExecutableDirectory() + "/data/kl_with_required_real_config.kl";
     base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
     ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << klPath;
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 05bc0bcbe8..70e4fda662 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -16,17 +16,10 @@
 
 #include "TestHelpers.h"
 
-#include <unistd.h>
-#include <sys/mman.h>
-#include <time.h>
-
 #include <attestation/HmacKeyManager.h>
-#include <cutils/ashmem.h>
 #include <gtest/gtest.h>
 #include <gui/constants.h>
 #include <input/InputTransport.h>
-#include <utils/StopWatch.h>
-#include <utils/Timers.h>
 
 using android::base::Result;
 
diff --git a/libs/input/tests/TouchResampling_test.cpp b/libs/input/tests/TouchResampling_test.cpp
new file mode 100644
index 0000000000..c09a8e9358
--- /dev/null
+++ b/libs/input/tests/TouchResampling_test.cpp
@@ -0,0 +1,562 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TestHelpers.h"
+
+#include <chrono>
+#include <vector>
+
+#include <attestation/HmacKeyManager.h>
+#include <gtest/gtest.h>
+#include <input/InputTransport.h>
+
+using namespace std::chrono_literals;
+
+namespace android {
+
+struct Pointer {
+    int32_t id;
+    float x;
+    float y;
+};
+
+struct InputEventEntry {
+    std::chrono::nanoseconds eventTime;
+    std::vector<Pointer> pointers;
+    int32_t action;
+};
+
+class TouchResamplingTest : public testing::Test {
+protected:
+    std::unique_ptr<InputPublisher> mPublisher;
+    std::unique_ptr<InputConsumer> mConsumer;
+    PreallocatedInputEventFactory mEventFactory;
+
+    uint32_t mSeq = 1;
+
+    void SetUp() override {
+        std::unique_ptr<InputChannel> serverChannel, clientChannel;
+        status_t result =
+                InputChannel::openInputChannelPair("channel name", serverChannel, clientChannel);
+        ASSERT_EQ(OK, result);
+
+        mPublisher = std::make_unique<InputPublisher>(std::move(serverChannel));
+        mConsumer = std::make_unique<InputConsumer>(std::move(clientChannel),
+                                                    true /* enableTouchResampling */);
+    }
+
+    status_t publishSimpleMotionEventWithCoords(int32_t action, nsecs_t eventTime,
+                                                const std::vector<PointerProperties>& properties,
+                                                const std::vector<PointerCoords>& coords);
+    void publishSimpleMotionEvent(int32_t action, nsecs_t eventTime,
+                                  const std::vector<Pointer>& pointers);
+    void publishInputEventEntries(const std::vector<InputEventEntry>& entries);
+    void consumeInputEventEntries(const std::vector<InputEventEntry>& entries,
+                                  std::chrono::nanoseconds frameTime);
+    void receiveResponseUntilSequence(uint32_t seq);
+};
+
+status_t TouchResamplingTest::publishSimpleMotionEventWithCoords(
+        int32_t action, nsecs_t eventTime, const std::vector<PointerProperties>& properties,
+        const std::vector<PointerCoords>& coords) {
+    const ui::Transform identityTransform;
+    const nsecs_t downTime = 0;
+
+    if (action == AMOTION_EVENT_ACTION_DOWN && eventTime != 0) {
+        ADD_FAILURE() << "Downtime should be equal to 0 (hardcoded for convenience)";
+    }
+    return mPublisher->publishMotionEvent(mSeq++, InputEvent::nextId(), 1 /*deviceId*/,
+                                          AINPUT_SOURCE_TOUCHSCREEN, 0 /*displayId*/, INVALID_HMAC,
+                                          action, 0 /*actionButton*/, 0 /*flags*/, 0 /*edgeFlags*/,
+                                          AMETA_NONE, 0 /*buttonState*/, MotionClassification::NONE,
+                                          identityTransform, 0 /*xPrecision*/, 0 /*yPrecision*/,
+                                          AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                          AMOTION_EVENT_INVALID_CURSOR_POSITION, identityTransform,
+                                          downTime, eventTime, properties.size(), properties.data(),
+                                          coords.data());
+}
+
+void TouchResamplingTest::publishSimpleMotionEvent(int32_t action, nsecs_t eventTime,
+                                                   const std::vector<Pointer>& pointers) {
+    std::vector<PointerProperties> properties;
+    std::vector<PointerCoords> coords;
+
+    for (const Pointer& pointer : pointers) {
+        properties.push_back({});
+        properties.back().clear();
+        properties.back().id = pointer.id;
+        properties.back().toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+        coords.push_back({});
+        coords.back().clear();
+        coords.back().setAxisValue(AMOTION_EVENT_AXIS_X, pointer.x);
+        coords.back().setAxisValue(AMOTION_EVENT_AXIS_Y, pointer.y);
+    }
+
+    status_t result = publishSimpleMotionEventWithCoords(action, eventTime, properties, coords);
+    ASSERT_EQ(OK, result);
+}
+
+/**
+ * Each entry is published separately, one entry at a time. As a result, action is used here
+ * on a per-entry basis.
+ */
+void TouchResamplingTest::publishInputEventEntries(const std::vector<InputEventEntry>& entries) {
+    for (const InputEventEntry& entry : entries) {
+        publishSimpleMotionEvent(entry.action, entry.eventTime.count(), entry.pointers);
+    }
+}
+
+/**
+ * Inside the publisher, read responses repeatedly until the desired sequence number is returned.
+ *
+ * Sometimes, when you call 'sendFinishedSignal', you would be finishing a batch which is comprised
+ * of several input events. As a result, consumer will generate multiple 'finish' signals on your
+ * behalf.
+ *
+ * In this function, we call 'receiveConsumerResponse' in a loop until the desired sequence number
+ * is returned.
+ */
+void TouchResamplingTest::receiveResponseUntilSequence(uint32_t seq) {
+    size_t consumedEvents = 0;
+    while (consumedEvents < 100) {
+        android::base::Result<InputPublisher::ConsumerResponse> response =
+                mPublisher->receiveConsumerResponse();
+        ASSERT_TRUE(response.ok());
+        ASSERT_TRUE(std::holds_alternative<InputPublisher::Finished>(*response));
+        const InputPublisher::Finished& finish = std::get<InputPublisher::Finished>(*response);
+        ASSERT_TRUE(finish.handled)
+                << "publisher receiveFinishedSignal should have set handled to consumer's reply";
+        if (finish.seq == seq) {
+            return;
+        }
+        consumedEvents++;
+    }
+    FAIL() << "Got " << consumedEvents << "events, but still no event with seq=" << seq;
+}
+
+/**
+ * All entries are compared against a single MotionEvent, but the same data structure
+ * InputEventEntry is used here for simpler code. As a result, the entire array of InputEventEntry
+ * must contain identical values for the action field.
+ */
+void TouchResamplingTest::consumeInputEventEntries(const std::vector<InputEventEntry>& entries,
+                                                   std::chrono::nanoseconds frameTime) {
+    ASSERT_GE(entries.size(), 1U) << "Must have at least 1 InputEventEntry to compare against";
+
+    uint32_t consumeSeq;
+    InputEvent* event;
+
+    status_t status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, frameTime.count(),
+                                         &consumeSeq, &event);
+    ASSERT_EQ(OK, status);
+    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
+
+    ASSERT_EQ(entries.size() - 1, motionEvent->getHistorySize());
+    for (size_t i = 0; i < entries.size(); i++) { // most recent sample is last
+        SCOPED_TRACE(i);
+        const InputEventEntry& entry = entries[i];
+        ASSERT_EQ(entry.action, motionEvent->getAction());
+        ASSERT_EQ(entry.eventTime.count(), motionEvent->getHistoricalEventTime(i));
+        ASSERT_EQ(entry.pointers.size(), motionEvent->getPointerCount());
+
+        for (size_t p = 0; p < motionEvent->getPointerCount(); p++) {
+            SCOPED_TRACE(p);
+            // The pointers can be in any order, both in MotionEvent as well as InputEventEntry
+            ssize_t motionEventPointerIndex = motionEvent->findPointerIndex(entry.pointers[p].id);
+            ASSERT_GE(motionEventPointerIndex, 0) << "Pointer must be present in MotionEvent";
+            ASSERT_EQ(entry.pointers[p].x,
+                      motionEvent->getHistoricalAxisValue(AMOTION_EVENT_AXIS_X,
+                                                          motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].x,
+                      motionEvent->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_X,
+                                                             motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].y,
+                      motionEvent->getHistoricalAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                          motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].y,
+                      motionEvent->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                             motionEventPointerIndex, i));
+        }
+    }
+
+    status = mConsumer->sendFinishedSignal(consumeSeq, true);
+    ASSERT_EQ(OK, status);
+
+    receiveResponseUntilSequence(consumeSeq);
+}
+
+/**
+ * Timeline
+ * ---------+------------------+------------------+--------+-----------------+----------------------
+ *          0 ms               10 ms              20 ms    25 ms            35 ms
+ *          ACTION_DOWN       ACTION_MOVE      ACTION_MOVE  ^                ^
+ *                                                          |                |
+ *                                                         resampled value   |
+ *                                                                          frameTime
+ * Typically, the prediction is made for time frameTime - RESAMPLE_LATENCY, or 30 ms in this case
+ * However, that would be 10 ms later than the last real sample (which came in at 20 ms).
+ * Therefore, the resampling should happen at 20 ms + RESAMPLE_MAX_PREDICTION = 28 ms.
+ * In this situation, though, resample time is further limited by taking half of the difference
+ * between the last two real events, which would put this time at:
+ * 20 ms + (20 ms - 10 ms) / 2 = 25 ms.
+ */
+TEST_F(TouchResamplingTest, EventIsResampled) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Same as above test, but use pointer id=1 instead of 0 to make sure that system does not
+ * have these hardcoded.
+ */
+TEST_F(TouchResamplingTest, EventIsResampledWithDifferentId) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{1, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{1, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{1, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{1, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{1, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{1, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{1, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Event should not be resampled when sample time is equal to event time.
+ */
+TEST_F(TouchResamplingTest, SampleTimeEqualsEventTime) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 20ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            // no resampled event because the time of resample falls exactly on the existing event
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Once we send a resampled value to the app, we should continue to "lie" if the pointer
+ * does not move. So, if the pointer keeps the same coordinates, resampled value should continue
+ * to be used.
+ */
+TEST_F(TouchResamplingTest, ResampledValueIsUsedForIdenticalCoordinates) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Coordinate value 30 has been resampled to 35. When a new event comes in with value 30 again,
+    // the system should still report 35.
+    entries = {
+            //      id  x   y
+            {40ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 45ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x   y
+            {40ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+            {45ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled event, rewritten
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+TEST_F(TouchResamplingTest, OldEventReceivedAfterResampleOccurs) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+    // Above, the resampled event is at 25ms rather than at 30 ms = 35ms - RESAMPLE_LATENCY
+    // because we are further bound by how far we can extrapolate by the "last time delta".
+    // That's 50% of (20 ms - 10ms) => 5ms. So we can't predict more than 5 ms into the future
+    // from the event at 20ms, which is why the resampled event is at t = 25 ms.
+
+    // We resampled the event to 25 ms. Now, an older 'real' event comes in.
+    entries = {
+            //      id  x   y
+            {24ms, {{0, 40, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 50ms;
+    expectedEntries = {
+            //      id  x   y
+            {24ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+            {26ms, {{0, 45, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled event, rewritten
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+TEST_F(TouchResamplingTest, TwoPointersAreResampledIndependently) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // full action for when a pointer with id=1 appears (some other pointer must already be present)
+    constexpr int32_t actionPointer1Down =
+            AMOTION_EVENT_ACTION_POINTER_DOWN + (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+
+    // full action for when a pointer with id=0 disappears (some other pointer must still remain)
+    constexpr int32_t actionPointer0Up =
+            AMOTION_EVENT_ACTION_POINTER_UP + (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    entries = {
+            //       id  x   y
+            {10ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 10ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //       id  x   y
+            {10ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_MOVE},
+            // no resampled value because frameTime - RESAMPLE_LATENCY == eventTime
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Second pointer id=1 appears
+    entries = {
+            //      id  x    y
+            {15ms, {{0, 100, 100}, {1, 500, 500}}, actionPointer1Down},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 20ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x    y
+            {15ms, {{0, 100, 100}, {1, 500, 500}}, actionPointer1Down},
+            // no resampled value because frameTime - RESAMPLE_LATENCY == eventTime
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Both pointers move
+    entries = {
+            //      id  x    y
+            {30ms, {{0, 100, 100}, {1, 500, 500}}, AMOTION_EVENT_ACTION_MOVE},
+            {40ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 45ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x    y
+            {30ms, {{0, 100, 100}, {1, 500, 500}}, AMOTION_EVENT_ACTION_MOVE},
+            {40ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            {45ms, {{0, 130, 130}, {1, 650, 650}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Both pointers move again
+    entries = {
+            //      id  x    y
+            {60ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            {70ms, {{0, 130, 130}, {1, 700, 700}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 75ms + 5ms /*RESAMPLE_LATENCY*/;
+    /**
+     * The sample at t = 60, pointer id 0 is not equal to 120, because this value of 120 was
+     * received twice, and resampled to 130. So if we already reported it as "130", we continue
+     * to report it as such. Similar with pointer id 1.
+     */
+    expectedEntries = {
+            {60ms,
+             {{0, 130, 130}, // not 120! because it matches previous real event
+              {1, 650, 650}},
+             AMOTION_EVENT_ACTION_MOVE},
+            {70ms, {{0, 130, 130}, {1, 700, 700}}, AMOTION_EVENT_ACTION_MOVE},
+            {75ms, {{0, 135, 135}, {1, 750, 750}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // First pointer id=0 leaves the screen
+    entries = {
+            //      id  x    y
+            {80ms, {{1, 600, 600}}, actionPointer0Up},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 90ms;
+    expectedEntries = {
+            //      id  x    y
+            {80ms, {{1, 600, 600}}, actionPointer0Up},
+            // no resampled event for ACTION_POINTER_UP
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Remaining pointer id=1 is still present, but doesn't move
+    entries = {
+            //      id  x    y
+            {90ms, {{1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 100ms;
+    expectedEntries = {
+            //      id  x    y
+            {90ms, {{1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            /**
+             * The latest event with ACTION_MOVE was at t = 70, coord = 700.
+             * Use that value for resampling here: (600 - 700) / (90 - 70) * 5 + 600
+             */
+            {95ms, {{1, 575, 575}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+} // namespace android
diff --git a/libs/input/tests/TouchVideoFrame_test.cpp b/libs/input/tests/TouchVideoFrame_test.cpp
index 654b236bda..081a995a6f 100644
--- a/libs/input/tests/TouchVideoFrame_test.cpp
+++ b/libs/input/tests/TouchVideoFrame_test.cpp
@@ -73,38 +73,38 @@ TEST(TouchVideoFrame, Equality) {
 TEST(TouchVideoFrame, Rotate90_0x0) {
     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_90);
+    frame.rotate(ui::ROTATION_90);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate90_1x1) {
     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_90);
+    frame.rotate(ui::ROTATION_90);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate90_2x2) {
     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
     TouchVideoFrame frameRotated(2, 2, {2, 4, 1, 3}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_90);
+    frame.rotate(ui::ROTATION_90);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate90_3x2) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameRotated(2, 3, {2, 4, 6, 1, 3, 5}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_90);
+    frame.rotate(ui::ROTATION_90);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate90_3x2_4times) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_90);
-    frame.rotate(DISPLAY_ORIENTATION_90);
-    frame.rotate(DISPLAY_ORIENTATION_90);
-    frame.rotate(DISPLAY_ORIENTATION_90);
+    frame.rotate(ui::ROTATION_90);
+    frame.rotate(ui::ROTATION_90);
+    frame.rotate(ui::ROTATION_90);
+    frame.rotate(ui::ROTATION_90);
     ASSERT_EQ(frame, frameOriginal);
 }
 
@@ -113,43 +113,43 @@ TEST(TouchVideoFrame, Rotate90_3x2_4times) {
 TEST(TouchVideoFrame, Rotate180_0x0) {
     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate180_1x1) {
     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate180_2x2) {
     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
     TouchVideoFrame frameRotated(2, 2, {4, 3, 2, 1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate180_3x2) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameRotated(3, 2, {6, 5, 4, 3, 2, 1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate180_3x2_2times) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameOriginal);
 }
 
 TEST(TouchVideoFrame, Rotate180_3x3) {
     TouchVideoFrame frame(3, 3, {1, 2, 3, 4, 5, 6, 7, 8, 9}, TIMESTAMP);
     TouchVideoFrame frameRotated(3, 3, {9, 8, 7, 6, 5, 4, 3, 2, 1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_180);
+    frame.rotate(ui::ROTATION_180);
     ASSERT_EQ(frame, frameRotated);
 }
 
@@ -158,38 +158,38 @@ TEST(TouchVideoFrame, Rotate180_3x3) {
 TEST(TouchVideoFrame, Rotate270_0x0) {
     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_270);
+    frame.rotate(ui::ROTATION_270);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate270_1x1) {
     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_270);
+    frame.rotate(ui::ROTATION_270);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate270_2x2) {
     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
     TouchVideoFrame frameRotated(2, 2, {3, 1, 4, 2}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_270);
+    frame.rotate(ui::ROTATION_270);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate270_3x2) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameRotated(2, 3, {5, 3, 1, 6, 4, 2}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_270);
+    frame.rotate(ui::ROTATION_270);
     ASSERT_EQ(frame, frameRotated);
 }
 
 TEST(TouchVideoFrame, Rotate270_3x2_4times) {
     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
-    frame.rotate(DISPLAY_ORIENTATION_270);
-    frame.rotate(DISPLAY_ORIENTATION_270);
-    frame.rotate(DISPLAY_ORIENTATION_270);
-    frame.rotate(DISPLAY_ORIENTATION_270);
+    frame.rotate(ui::ROTATION_270);
+    frame.rotate(ui::ROTATION_270);
+    frame.rotate(ui::ROTATION_270);
+    frame.rotate(ui::ROTATION_270);
     ASSERT_EQ(frame, frameOriginal);
 }
 
diff --git a/libs/input/tests/VelocityTracker_test.cpp b/libs/input/tests/VelocityTracker_test.cpp
index a87b1873f0..54feea2644 100644
--- a/libs/input/tests/VelocityTracker_test.cpp
+++ b/libs/input/tests/VelocityTracker_test.cpp
@@ -16,9 +16,10 @@
 
 #define LOG_TAG "VelocityTracker_test"
 
+#include <math.h>
 #include <array>
 #include <chrono>
-#include <math.h>
+#include <limits>
 
 #include <android-base/stringprintf.h>
 #include <attestation/HmacKeyManager.h>
@@ -26,7 +27,9 @@
 #include <gui/constants.h>
 #include <input/VelocityTracker.h>
 
-using namespace std::chrono_literals;
+using std::literals::chrono_literals::operator""ms;
+using std::literals::chrono_literals::operator""ns;
+using std::literals::chrono_literals::operator""us;
 using android::base::StringPrintf;
 
 namespace android {
@@ -62,8 +65,15 @@ static void EXPECT_NEAR_BY_FRACTION(float actual, float target, float fraction)
     EXPECT_NEAR(actual, target, tolerance);
 }
 
-static void checkVelocity(float Vactual, float Vtarget) {
-    EXPECT_NEAR_BY_FRACTION(Vactual, Vtarget, VELOCITY_TOLERANCE);
+static void checkVelocity(std::optional<float> Vactual, std::optional<float> Vtarget) {
+    if (Vactual != std::nullopt) {
+        if (Vtarget == std::nullopt) {
+            FAIL() << "Expected no velocity, but found " << *Vactual;
+        }
+        EXPECT_NEAR_BY_FRACTION(*Vactual, *Vtarget, VELOCITY_TOLERANCE);
+    } else if (Vtarget != std::nullopt) {
+        FAIL() << "Expected  velocity, but found no velocity";
+    }
 }
 
 static void checkCoefficient(float actual, float target) {
@@ -84,7 +94,7 @@ struct Position {
     }
 };
 
-struct MotionEventEntry {
+struct PlanarMotionEventEntry {
     std::chrono::nanoseconds eventTime;
     std::vector<Position> positions;
 };
@@ -133,15 +143,43 @@ static int32_t resolveAction(const std::vector<Position>& lastPositions,
     return AMOTION_EVENT_ACTION_MOVE;
 }
 
-static std::vector<MotionEvent> createMotionEventStream(
-        const std::vector<MotionEventEntry>& motions) {
+static std::vector<MotionEvent> createAxisScrollMotionEventStream(
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions) {
+    std::vector<MotionEvent> events;
+    for (const auto& [timeStamp, value] : motions) {
+        EXPECT_TRUE(!isnan(value)) << "The entry at pointerId must be valid";
+
+        PointerCoords coords[1];
+        coords[0].setAxisValue(AMOTION_EVENT_AXIS_SCROLL, value);
+
+        PointerProperties properties[1];
+        properties[0].id = DEFAULT_POINTER_ID;
+
+        MotionEvent event;
+        ui::Transform identityTransform;
+        event.initialize(InputEvent::nextId(), 5 /*deviceId*/, AINPUT_SOURCE_ROTARY_ENCODER,
+                         ADISPLAY_ID_NONE, INVALID_HMAC, AMOTION_EVENT_ACTION_SCROLL,
+                         0 /*actionButton*/, 0 /*flags*/, AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE,
+                         0 /*buttonState*/, MotionClassification::NONE, identityTransform,
+                         0 /*xPrecision*/, 0 /*yPrecision*/, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         AMOTION_EVENT_INVALID_CURSOR_POSITION, identityTransform, 0 /*downTime*/,
+                         timeStamp.count(), 1 /*pointerCount*/, properties, coords);
+
+        events.emplace_back(event);
+    }
+
+    return events;
+}
+
+static std::vector<MotionEvent> createTouchMotionEventStream(
+        const std::vector<PlanarMotionEventEntry>& motions) {
     if (motions.empty()) {
         ADD_FAILURE() << "Need at least 1 sample to create a MotionEvent. Received empty vector.";
     }
 
     std::vector<MotionEvent> events;
     for (size_t i = 0; i < motions.size(); i++) {
-        const MotionEventEntry& entry = motions[i];
+        const PlanarMotionEventEntry& entry = motions[i];
         BitSet32 pointers = getValidPointers(entry.positions);
         const uint32_t pointerCount = pointers.count();
 
@@ -149,12 +187,11 @@ static std::vector<MotionEvent> createMotionEventStream(
         if (i == 0) {
             action = AMOTION_EVENT_ACTION_DOWN;
             EXPECT_EQ(1U, pointerCount) << "First event should only have 1 pointer";
-        } else if (i == motions.size() - 1) {
-            EXPECT_EQ(1U, pointerCount) << "Last event should only have 1 pointer";
+        } else if ((i == motions.size() - 1) && pointerCount == 1) {
             action = AMOTION_EVENT_ACTION_UP;
         } else {
-            const MotionEventEntry& previousEntry = motions[i-1];
-            const MotionEventEntry& nextEntry = motions[i+1];
+            const PlanarMotionEventEntry& previousEntry = motions[i-1];
+            const PlanarMotionEventEntry& nextEntry = motions[i+1];
             action = resolveAction(previousEntry.positions, entry.positions, nextEntry.positions);
         }
 
@@ -193,54 +230,217 @@ static std::vector<MotionEvent> createMotionEventStream(
     return events;
 }
 
-static void computeAndCheckVelocity(const VelocityTracker::Strategy strategy,
-                                    const std::vector<MotionEventEntry>& motions, int32_t axis,
-                                    float targetVelocity) {
+static std::optional<float> computePlanarVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<PlanarMotionEventEntry>& motions, int32_t axis,
+        uint32_t pointerId = DEFAULT_POINTER_ID) {
     VelocityTracker vt(strategy);
-    float Vx, Vy;
 
-    std::vector<MotionEvent> events = createMotionEventStream(motions);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
     for (MotionEvent event : events) {
         vt.addMovement(&event);
     }
 
-    vt.getVelocity(DEFAULT_POINTER_ID, &Vx, &Vy);
+    return vt.getVelocity(axis, pointerId);
+}
 
+static std::vector<MotionEvent> createMotionEventStream(
+        int32_t axis, const std::vector<std::pair<std::chrono::nanoseconds, float>>& motion) {
     switch (axis) {
-    case AMOTION_EVENT_AXIS_X:
-        checkVelocity(Vx, targetVelocity);
-        break;
-    case AMOTION_EVENT_AXIS_Y:
-        checkVelocity(Vy, targetVelocity);
-        break;
-    default:
-        FAIL() << "Axis must be either AMOTION_EVENT_AXIS_X or AMOTION_EVENT_AXIS_Y";
+        case AMOTION_EVENT_AXIS_SCROLL:
+            return createAxisScrollMotionEventStream(motion);
+        default:
+            ADD_FAILURE() << "Axis " << axis << " is not supported";
+            return {};
+    }
+}
+
+static std::optional<float> computeVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions, int32_t axis) {
+    VelocityTracker vt(strategy);
+
+    for (const MotionEvent& event : createMotionEventStream(axis, motions)) {
+        vt.addMovement(&event);
     }
+
+    return vt.getVelocity(axis, DEFAULT_POINTER_ID);
+}
+
+static void computeAndCheckVelocity(const VelocityTracker::Strategy strategy,
+                                    const std::vector<PlanarMotionEventEntry>& motions,
+                                    int32_t axis, std::optional<float> targetVelocity,
+                                    uint32_t pointerId = DEFAULT_POINTER_ID) {
+    checkVelocity(computePlanarVelocity(strategy, motions, axis, pointerId), targetVelocity);
+}
+
+static void computeAndCheckAxisScrollVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions,
+        std::optional<float> targetVelocity) {
+    checkVelocity(computeVelocity(strategy, motions, AMOTION_EVENT_AXIS_SCROLL), targetVelocity);
 }
 
-static void computeAndCheckQuadraticEstimate(const std::vector<MotionEventEntry>& motions,
-        const std::array<float, 3>& coefficients) {
+static void computeAndCheckQuadraticEstimate(const std::vector<PlanarMotionEventEntry>& motions,
+                                             const std::array<float, 3>& coefficients) {
     VelocityTracker vt(VelocityTracker::Strategy::LSQ2);
-    std::vector<MotionEvent> events = createMotionEventStream(motions);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
     for (MotionEvent event : events) {
         vt.addMovement(&event);
     }
-    VelocityTracker::Estimator estimator;
-    EXPECT_TRUE(vt.getEstimator(0, &estimator));
+    VelocityTracker::Estimator estimatorX;
+    VelocityTracker::Estimator estimatorY;
+    EXPECT_TRUE(vt.getEstimator(AMOTION_EVENT_AXIS_X, 0, &estimatorX));
+    EXPECT_TRUE(vt.getEstimator(AMOTION_EVENT_AXIS_Y, 0, &estimatorY));
     for (size_t i = 0; i< coefficients.size(); i++) {
-        checkCoefficient(estimator.xCoeff[i], coefficients[i]);
-        checkCoefficient(estimator.yCoeff[i], coefficients[i]);
+        checkCoefficient(estimatorX.coeff[i], coefficients[i]);
+        checkCoefficient(estimatorY.coeff[i], coefficients[i]);
+    }
+}
+
+/*
+ *================== VelocityTracker tests that do not require test motion data ====================
+ */
+TEST(SimpleVelocityTrackerTest, TestSupportedAxis) {
+    // Note that we are testing up to the max possible axis value, plus 3 more values. We are going
+    // beyond the max value to add a bit more protection. "3" is chosen arbitrarily to cover a few
+    // more values beyond the max.
+    for (int32_t axis = 0; axis <= AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE + 3; axis++) {
+        switch (axis) {
+            case AMOTION_EVENT_AXIS_X:
+            case AMOTION_EVENT_AXIS_Y:
+            case AMOTION_EVENT_AXIS_SCROLL:
+                EXPECT_TRUE(VelocityTracker::isAxisSupported(axis)) << axis << " is supported";
+                break;
+            default:
+                EXPECT_FALSE(VelocityTracker::isAxisSupported(axis)) << axis << " is NOT supported";
+        }
     }
 }
 
 /*
  * ================== VelocityTracker tests generated manually =====================================
  */
+TEST_F(VelocityTrackerTest, TestDefaultStrategiesForPlanarAxes) {
+    std::vector<PlanarMotionEventEntry> motions = {{10ms, {{2, 4}}},
+                                                   {20ms, {{4, 12}}},
+                                                   {30ms, {{6, 20}}},
+                                                   {40ms, {{10, 30}}}};
+
+    EXPECT_EQ(computePlanarVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X),
+              computePlanarVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                                    AMOTION_EVENT_AXIS_X));
+    EXPECT_EQ(computePlanarVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y),
+              computePlanarVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                                    AMOTION_EVENT_AXIS_Y));
+}
+
+TEST_F(VelocityTrackerTest, TestComputedVelocity) {
+    VelocityTracker::ComputedVelocity computedVelocity;
+
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 0 /*id*/, 200 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 26U /*id*/, 400 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 27U /*id*/, 650 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID, 750 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 0 /*id*/, 1000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 26U /*id*/, 2000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 27U /*id*/, 3000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, MAX_POINTER_ID, 4000 /*velocity*/);
+
+    // Check the axes/indices with velocity.
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 0U /*id*/)), 200);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 26U /*id*/)), 400);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 27U /*id*/)), 650);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID)), 750);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 0U /*id*/)), 1000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 26U /*id*/)), 2000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 27U /*id*/)), 3000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, MAX_POINTER_ID)), 4000);
+    for (uint32_t id = 0; id <= MAX_POINTER_ID; id++) {
+        // Since no data was added for AXIS_SCROLL, expect empty value for the axis for any id.
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_SCROLL, id))
+                << "Empty scroll data expected at id=" << id;
+        if (id == 0 || id == 26U || id == 27U || id == MAX_POINTER_ID) {
+            // Already checked above; continue.
+            continue;
+        }
+        // No data was added to X/Y for this id, expect empty value.
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, id))
+                << "Empty X data expected at id=" << id;
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, id))
+                << "Empty Y data expected at id=" << id;
+    }
+    // Out-of-bounds ids should given empty values.
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, -1));
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID + 1));
+}
+
+TEST_F(VelocityTrackerTest, TestGetComputedVelocity) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {235089067457000ns, {{528.00, 0}}}, {235089084684000ns, {{527.00, 0}}},
+            {235089093349000ns, {{527.00, 0}}}, {235089095677625ns, {{527.00, 0}}},
+            {235089101859000ns, {{527.00, 0}}}, {235089110378000ns, {{528.00, 0}}},
+            {235089112497111ns, {{528.25, 0}}}, {235089118760000ns, {{531.00, 0}}},
+            {235089126686000ns, {{535.00, 0}}}, {235089129316820ns, {{536.33, 0}}},
+            {235089135199000ns, {{540.00, 0}}}, {235089144297000ns, {{546.00, 0}}},
+            {235089146136443ns, {{547.21, 0}}}, {235089152923000ns, {{553.00, 0}}},
+            {235089160784000ns, {{559.00, 0}}}, {235089162955851ns, {{560.66, 0}}},
+            {235089162955851ns, {{560.66, 0}}}, // ACTION_UP
+    };
+    VelocityTracker vt(VelocityTracker::Strategy::IMPULSE);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
+    for (const MotionEvent& event : events) {
+        vt.addMovement(&event);
+    }
+
+    float maxFloat = std::numeric_limits<float>::max();
+    VelocityTracker::ComputedVelocity computedVelocity;
+    computedVelocity = vt.getComputedVelocity(1000 /* units */, maxFloat);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)),
+                  764.345703);
+
+    // Expect X velocity to be scaled with respective to provided units.
+    computedVelocity = vt.getComputedVelocity(1000000 /* units */, maxFloat);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)),
+                  764345.703);
+
+    // Expect X velocity to be clamped by provided max velocity.
+    computedVelocity = vt.getComputedVelocity(1000000 /* units */, 1000);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)), 1000);
+
+    // All 0 data for Y; expect 0 velocity.
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, DEFAULT_POINTER_ID)), 0);
+
+    // No data for scroll-axis; expect empty velocity.
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_SCROLL, DEFAULT_POINTER_ID));
+}
+
+TEST_F(VelocityTrackerTest, TestApiInteractionsWithNoMotionEvents) {
+    VelocityTracker vt(VelocityTracker::Strategy::DEFAULT);
+
+    EXPECT_FALSE(vt.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID));
+
+    VelocityTracker::Estimator estimator;
+    EXPECT_FALSE(vt.getEstimator(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID, &estimator));
+
+    VelocityTracker::ComputedVelocity computedVelocity = vt.getComputedVelocity(1000, 1000);
+    for (uint32_t id = 0; id <= MAX_POINTER_ID; id++) {
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, id));
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, id));
+    }
+
+    EXPECT_EQ(-1, vt.getActivePointerId());
+
+    // Make sure that the clearing functions execute without an issue.
+    vt.clearPointers(BitSet32(7U));
+    vt.clear();
+}
+
 TEST_F(VelocityTrackerTest, ThreePointsPositiveVelocityTest) {
     // Same coordinate is reported 2 times in a row
     // It is difficult to determine the correct answer here, but at least the direction
     // of the reported velocity should be positive.
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{273, 0}}},
             {12585us, {{293, 0}}},
             {14730us, {{293, 0}}},
@@ -252,7 +452,7 @@ TEST_F(VelocityTrackerTest, ThreePointsPositiveVelocityTest) {
 
 TEST_F(VelocityTrackerTest, ThreePointsZeroVelocityTest) {
     // Same coordinate is reported 3 times in a row
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{293, 0}}},
             {6132us, {{293, 0}}},
             {11283us, {{293, 0}}},
@@ -264,7 +464,7 @@ TEST_F(VelocityTrackerTest, ThreePointsZeroVelocityTest) {
 
 TEST_F(VelocityTrackerTest, ThreePointsLinearVelocityTest) {
     // Fixed velocity at 5 points per 10 milliseconds
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{0, 0}}}, {10ms, {{5, 0}}}, {20ms, {{10, 0}}}, {20ms, {{10, 0}}}, // ACTION_UP
     };
     computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 500);
@@ -288,7 +488,7 @@ TEST_F(VelocityTrackerTest, ThreePointsLinearVelocityTest) {
 // --------------- Recorded by hand on swordfish ---------------------------------------------------
 TEST_F(VelocityTrackerTest, SwordfishFlingDown) {
     // Recording of a fling on Swordfish that could cause a fling in the wrong direction
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{271, 96}} },
         { 16071042ns, {{269.786346, 106.922775}} },
         { 35648403ns, {{267.983063, 156.660034}} },
@@ -323,7 +523,7 @@ TEST_F(VelocityTrackerTest, SwordfishFlingDown) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow1) {
     // Sailfish - fling up - slow - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235089067457000ns, {{528.00, 983.00}} },
         { 235089084684000ns, {{527.00, 981.00}} },
         { 235089093349000ns, {{527.00, 977.00}} },
@@ -355,7 +555,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpSlow1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow2) {
     // Sailfish - fling up - slow - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235110560704000ns, {{522.00, 1107.00}} },
         { 235110575764000ns, {{522.00, 1107.00}} },
         { 235110584385000ns, {{522.00, 1107.00}} },
@@ -384,7 +584,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpSlow2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow3) {
     // Sailfish - fling up - slow - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 792536237000ns, {{580.00, 1317.00}} },
         { 792541538987ns, {{580.63, 1311.94}} },
         { 792544613000ns, {{581.00, 1309.00}} },
@@ -418,7 +618,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpSlow3) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster1) {
     // Sailfish - fling up - faster - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235160420675000ns, {{610.00, 1042.00}} },
         { 235160428220000ns, {{609.00, 1026.00}} },
         { 235160436544000ns, {{609.00, 1024.00}} },
@@ -452,7 +652,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFaster1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster2) {
     // Sailfish - fling up - faster - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 847153808000ns, {{576.00, 1264.00}} },
         { 847171174000ns, {{576.00, 1262.00}} },
         { 847179640000ns, {{576.00, 1257.00}} },
@@ -478,7 +678,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFaster2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster3) {
     // Sailfish - fling up - faster - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235200532789000ns, {{507.00, 1084.00}} },
         { 235200549221000ns, {{507.00, 1083.00}} },
         { 235200557841000ns, {{507.00, 1081.00}} },
@@ -504,7 +704,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFaster3) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast1) {
     // Sailfish - fling up - fast - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 920922149000ns, {{561.00, 1412.00}} },
         { 920930185000ns, {{559.00, 1377.00}} },
         { 920930262463ns, {{558.98, 1376.66}} },
@@ -533,7 +733,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFast1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast2) {
     // Sailfish - fling up - fast - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235247153233000ns, {{518.00, 1168.00}} },
         { 235247170452000ns, {{517.00, 1167.00}} },
         { 235247178908000ns, {{515.00, 1159.00}} },
@@ -556,7 +756,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFast2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast3) {
     // Sailfish - fling up - fast - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235302568736000ns, {{529.00, 1167.00}} },
         { 235302576644000ns, {{523.00, 1140.00}} },
         { 235302579395063ns, {{520.91, 1130.61}} },
@@ -577,7 +777,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingUpFast3) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow1) {
     // Sailfish - fling down - slow - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235655749552755ns, {{582.00, 432.49}} },
         { 235655750638000ns, {{582.00, 433.00}} },
         { 235655758865000ns, {{582.00, 440.00}} },
@@ -611,7 +811,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownSlow1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow2) {
     // Sailfish - fling down - slow - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235671152083370ns, {{485.24, 558.28}} },
         { 235671154126000ns, {{485.00, 559.00}} },
         { 235671162497000ns, {{484.00, 566.00}} },
@@ -645,7 +845,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownSlow2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow3) {
     // Sailfish - fling down - slow - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 170983201000ns, {{557.00, 533.00}} },
         { 171000668000ns, {{556.00, 534.00}} },
         { 171007359750ns, {{554.73, 535.27}} },
@@ -672,7 +872,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownSlow3) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster1) {
     // Sailfish - fling down - faster - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235695280333000ns, {{558.00, 451.00}} },
         { 235695283971237ns, {{558.43, 454.45}} },
         { 235695289038000ns, {{559.00, 462.00}} },
@@ -702,7 +902,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFaster1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster2) {
     // Sailfish - fling down - faster - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235709624766000ns, {{535.00, 579.00}} },
         { 235709642256000ns, {{534.00, 580.00}} },
         { 235709643350278ns, {{533.94, 580.06}} },
@@ -733,7 +933,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFaster2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster3) {
     // Sailfish - fling down - faster - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235727628927000ns, {{540.00, 440.00}} },
         { 235727636810000ns, {{537.00, 454.00}} },
         { 235727646176000ns, {{536.00, 454.00}} },
@@ -762,7 +962,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFaster3) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast1) {
     // Sailfish - fling down - fast - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235762352849000ns, {{467.00, 286.00}} },
         { 235762360250000ns, {{443.00, 344.00}} },
         { 235762362787412ns, {{434.77, 363.89}} },
@@ -783,7 +983,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFast1) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast2) {
     // Sailfish - fling down - fast - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235772487188000ns, {{576.00, 204.00}} },
         { 235772495159000ns, {{553.00, 236.00}} },
         { 235772503568000ns, {{551.00, 240.00}} },
@@ -804,7 +1004,7 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFast2) {
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast3) {
     // Sailfish - fling down - fast - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 507650295000ns, {{628.00, 233.00}} },
         { 507658234000ns, {{605.00, 269.00}} },
         { 507666784000ns, {{601.00, 274.00}} },
@@ -830,12 +1030,12 @@ TEST_F(VelocityTrackerTest, SailfishFlingDownFast3) {
 /**
  * ================== Multiple pointers ============================================================
  *
- * Three fingers quickly tap the screen. Since this is a tap, the velocities should be zero.
+ * Three fingers quickly tap the screen. Since this is a tap, the velocities should be empty.
  * If the events with POINTER_UP or POINTER_DOWN are not handled correctly (these should not be
  * part of the fitted data), this can cause large velocity values to be reported instead.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_ThreeFingerTap) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0us,      {{1063, 1128}, {NAN, NAN}, {NAN, NAN}} },
         { 10800us,  {{1063, 1128}, {682, 1318}, {NAN, NAN}} }, // POINTER_DOWN
         { 10800us,  {{1063, 1128}, {682, 1318}, {397, 1747}} }, // POINTER_DOWN
@@ -844,12 +1044,78 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_ThreeFi
         { 272700us, {{1063, 1128}, {NAN, NAN}, {NAN, NAN}} },
     };
 
-    // Velocity should actually be zero, but we expect 0.016 here instead.
-    // This is close enough to zero, and is likely caused by division by a very small number.
-    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, -0.016);
-    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y, -0.016);
-    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 0);
-    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_Y, 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_Y,
+                            std::nullopt);
+}
+
+/**
+ * ================= Pointer liftoff ===============================================================
+ */
+
+/**
+ * The last movement of a pointer is always ACTION_POINTER_UP or ACTION_UP. If there's a short delay
+ * between the last ACTION_MOVE and the next ACTION_POINTER_UP or ACTION_UP, velocity should not be
+ * affected by the liftoff.
+ */
+TEST_F(VelocityTrackerTest, ShortDelayBeforeActionUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}}, {10ms, {{20, 0}}}, {20ms, {{30, 0}}}, {30ms, {{30, 0}}}, // ACTION_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            1000);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, 1000);
+}
+
+/**
+ * The last movement of a single pointer is ACTION_UP. If there's a long delay between the last
+ * ACTION_MOVE and the final ACTION_UP, velocity should be reported as empty because the pointer
+ * should be assumed to have stopped.
+ */
+TEST_F(VelocityTrackerTest, LongDelayBeforeActionUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}},
+            {10ms, {{20, 0}}},
+            {20ms, {{30, 0}}},
+            {3000ms, {{30, 0}}}, // ACTION_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+}
+
+/**
+ * The last movement of a pointer is always ACTION_POINTER_UP or ACTION_UP. If there's a long delay
+ * before ACTION_POINTER_UP event, the movement should be assumed to have stopped.
+ * The final velocity should be reported as empty for all pointers.
+ */
+TEST_F(VelocityTrackerTest, LongDelayBeforeActionPointerUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}},
+            {10ms, {{20, 0}, {100, 0}}},
+            {20ms, {{30, 0}, {200, 0}}},
+            {30ms, {{30, 0}, {300, 0}}},
+            {40ms, {{30, 0}, {400, 0}}},
+            {3000ms, {{30, 0}}}, // ACTION_POINTER_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 1);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 1);
 }
 
 /**
@@ -878,7 +1144,7 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_ThreeFi
  * In the test, we would convert these coefficients to (0*(1E3)^0, 0*(1E3)^1, 1*(1E3)^2).
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Constant) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} }, // 0 s
         { 1ms, {{1, 1}} }, // 0.001 s
         { 2ms, {{1, 1}} }, // 0.002 s
@@ -896,7 +1162,7 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Constan
  * Straight line y = x :: the constant and quadratic coefficients are zero.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Linear) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{-2, -2}} },
         { 1ms, {{-1, -1}} },
         { 2ms, {{-0, -0}} },
@@ -914,7 +1180,7 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Linear)
  * Parabola
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} },
         { 1ms, {{4, 4}} },
         { 2ms, {{8, 8}} },
@@ -932,7 +1198,7 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabol
  * Parabola
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic2) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} },
         { 1ms, {{4, 4}} },
         { 2ms, {{9, 9}} },
@@ -950,7 +1216,7 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabol
  * Parabola :: y = x^2 :: the constant and linear coefficients are zero.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic3) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{4, 4}} },
         { 1ms, {{1, 1}} },
         { 2ms, {{0, 0}} },
@@ -964,4 +1230,114 @@ TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabol
     computeAndCheckQuadraticEstimate(motions, std::array<float, 3>({0, 0E3, 1E6}));
 }
 
+// Recorded by hand on sailfish, but only the diffs are taken to test cumulative axis velocity.
+TEST_F(VelocityTrackerTest, AxisScrollVelocity) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {235089067457000ns, 0.00}, {235089084684000ns, -1.00}, {235089093349000ns, 0.00},
+            {235089095677625ns, 0.00}, {235089101859000ns, 0.00},  {235089110378000ns, 0.00},
+            {235089112497111ns, 0.25}, {235089118760000ns, 1.75},  {235089126686000ns, 4.00},
+            {235089129316820ns, 1.33}, {235089135199000ns, 3.67},  {235089144297000ns, 6.00},
+            {235089146136443ns, 1.21}, {235089152923000ns, 5.79},  {235089160784000ns, 6.00},
+            {235089162955851ns, 1.66},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {764.345703});
+}
+
+// --------------- Recorded by hand on a Wear OS device using a rotating side button ---------------
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollDown) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {224598065152ns, -0.050100}, {224621871104ns, -0.133600}, {224645464064ns, -0.551100},
+            {224669171712ns, -0.801600}, {224687063040ns, -1.035400}, {224706691072ns, -0.484300},
+            {224738213888ns, -0.334000}, {224754401280ns, -0.083500},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {-27.86});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollUp) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {269606010880ns, 0.050100}, {269626064896ns, 0.217100}, {269641973760ns, 0.267200},
+            {269658079232ns, 0.267200}, {269674217472ns, 0.267200}, {269690683392ns, 0.367400},
+            {269706133504ns, 0.551100}, {269722173440ns, 0.501000},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {31.92});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollDown_ThenUp_ThenDown) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {2580534001664ns, -0.033400}, {2580549992448ns, -0.133600},
+            {2580566769664ns, -0.250500}, {2580581974016ns, -0.183700},
+            {2580597964800ns, -0.267200}, {2580613955584ns, -0.551100},
+            {2580635189248ns, -0.601200}, {2580661927936ns, -0.450900},
+            {2580683161600ns, -0.417500}, {2580705705984ns, -0.150300},
+            {2580722745344ns, -0.016700}, {2580786446336ns, 0.050100},
+            {2580801912832ns, 0.150300},  {2580822360064ns, 0.300600},
+            {2580838088704ns, 0.300600},  {2580854341632ns, 0.400800},
+            {2580869808128ns, 0.517700},  {2580886061056ns, 0.501000},
+            {2580905984000ns, 0.350700},  {2580921974784ns, 0.350700},
+            {2580937965568ns, 0.066800},  {2580974665728ns, 0.016700},
+            {2581034434560ns, -0.066800}, {2581049901056ns, -0.116900},
+            {2581070610432ns, -0.317300}, {2581086076928ns, -0.200400},
+            {2581101805568ns, -0.233800}, {2581118058496ns, -0.417500},
+            {2581134049280ns, -0.417500}, {2581150040064ns, -0.367400},
+            {2581166030848ns, -0.267200}, {2581181759488ns, -0.150300},
+            {2581199847424ns, -0.066800},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {-9.73});
+}
+
+// ------------------------------- Hand generated test cases ---------------------------------------
+TEST_F(VelocityTrackerTest, TestDefaultStrategyForAxisScroll) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {10ms, 20},
+            {20ms, 25},
+            {30ms, 50},
+            {40ms, 100},
+    };
+
+    EXPECT_EQ(computeVelocity(VelocityTracker::Strategy::IMPULSE, motions,
+                              AMOTION_EVENT_AXIS_SCROLL),
+              computeVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                              AMOTION_EVENT_AXIS_SCROLL));
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_SimilarDifferentialValues) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ns, 2.12},  {3ns, 2.12},
+                                                                       {7ns, 2.12},  {8ns, 2.12},
+                                                                       {15ns, 2.12}, {18ns, 2.12}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {1690236059.86});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_OnlyTwoValues) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ms, 5}, {2ms, 10}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {10000});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ConstantVelocity) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ms, 20}, {2ms, 20},
+                                                                       {3ms, 20}, {4ms, 20},
+                                                                       {5ms, 20}, {6ms, 20}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {20000});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_NoMotion) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ns, 0}, {2ns, 0},
+                                                                       {3ns, 0}, {4ns, 0},
+                                                                       {5ns, 0}, {6ns, 0}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {0});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_NoData) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, std::nullopt);
+}
+
 } // namespace android
diff --git a/libs/jpegrecoverymap/Android.bp b/libs/jpegrecoverymap/Android.bp
new file mode 100644
index 0000000000..54af7c912d
--- /dev/null
+++ b/libs/jpegrecoverymap/Android.bp
@@ -0,0 +1,70 @@
+// Copyright 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_native_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_native_license"],
+}
+
+cc_library_static {
+    name: "libjpegrecoverymap",
+    host_supported: true,
+
+    export_include_dirs: ["include"],
+    local_include_dirs: ["include"],
+
+    srcs: [
+        "recoverymap.cpp",
+        "recoverymapmath.cpp",
+        "recoverymaputils.cpp",
+    ],
+
+    shared_libs: [
+        "libimage_io",
+        "libjpeg",
+        "libutils",
+    ],
+}
+
+cc_library_static {
+    name: "libjpegencoder",
+
+    shared_libs: [
+        "libjpeg",
+    ],
+
+    export_include_dirs: ["include"],
+
+    srcs: [
+        "jpegencoder.cpp",
+    ],
+}
+
+cc_library_static {
+    name: "libjpegdecoder",
+
+    shared_libs: [
+        "libjpeg",
+    ],
+
+    export_include_dirs: ["include"],
+
+    srcs: [
+        "jpegdecoder.cpp",
+    ],
+}
diff --git a/libs/jpegrecoverymap/OWNERS b/libs/jpegrecoverymap/OWNERS
new file mode 100644
index 0000000000..133af5bcd4
--- /dev/null
+++ b/libs/jpegrecoverymap/OWNERS
@@ -0,0 +1,4 @@
+arifdikici@google.com
+deakin@google.com
+dichenzhang@google.com
+kyslov@google.com
\ No newline at end of file
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/jpegdecoder.h b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegdecoder.h
new file mode 100644
index 0000000000..5c9c8b6ec6
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegdecoder.h
@@ -0,0 +1,99 @@
+
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_JPEGRECOVERYMAP_JPEGDECODER_H
+#define ANDROID_JPEGRECOVERYMAP_JPEGDECODER_H
+
+// We must include cstdio before jpeglib.h. It is a requirement of libjpeg.
+#include <cstdio>
+extern "C" {
+#include <jerror.h>
+#include <jpeglib.h>
+}
+#include <utils/Errors.h>
+#include <vector>
+namespace android::recoverymap {
+/*
+ * Encapsulates a converter from JPEG to raw image (YUV420planer or grey-scale) format.
+ * This class is not thread-safe.
+ */
+class JpegDecoder {
+public:
+    JpegDecoder();
+    ~JpegDecoder();
+    /*
+     * Decompresses JPEG image to raw image (YUV420planer or grey-scale) format. After calling
+     * this method, call getDecompressedImage() to get the image.
+     * Returns false if decompressing the image fails.
+     */
+    bool decompressImage(const void* image, int length);
+    /*
+     * Returns the decompressed raw image buffer pointer. This method must be called only after
+     * calling decompressImage().
+     */
+    void* getDecompressedImagePtr();
+    /*
+     * Returns the decompressed raw image buffer size. This method must be called only after
+     * calling decompressImage().
+     */
+    size_t getDecompressedImageSize();
+    /*
+     * Returns the image width in pixels. This method must be called only after calling
+     * decompressImage().
+     */
+    size_t getDecompressedImageWidth();
+    /*
+     * Returns the image width in pixels. This method must be called only after calling
+     * decompressImage().
+     */
+    size_t getDecompressedImageHeight();
+    /*
+     * Returns the XMP data from the image.
+     */
+    void* getXMPPtr();
+    /*
+     * Returns the decompressed XMP buffer size. This method must be called only after
+     * calling decompressImage().
+     */
+    size_t getXMPSize();
+
+    bool getCompressedImageParameters(const void* image, int length,
+                              size_t* pWidth, size_t* pHeight,
+                              std::vector<uint8_t>* &iccData,
+                              std::vector<uint8_t>* &exifData);
+
+private:
+    bool decode(const void* image, int length);
+    // Returns false if errors occur.
+    bool decompress(jpeg_decompress_struct* cinfo, const uint8_t* dest, bool isSingleChannel);
+    bool decompressYUV(jpeg_decompress_struct* cinfo, const uint8_t* dest);
+    bool decompressSingleChannel(jpeg_decompress_struct* cinfo, const uint8_t* dest);
+    // Process 16 lines of Y and 16 lines of U/V each time.
+    // We must pass at least 16 scanlines according to libjpeg documentation.
+    static const int kCompressBatchSize = 16;
+    // The buffer that holds the decompressed result.
+    std::vector<JOCTET> mResultBuffer;
+    // The buffer that holds XMP Data.
+    std::vector<JOCTET> mXMPBuffer;
+
+    // Resolution of the decompressed image.
+    size_t mWidth;
+    size_t mHeight;
+};
+} /* namespace android  */
+
+#endif // ANDROID_JPEGRECOVERYMAP_JPEGDECODER_H
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/jpegencoder.h b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegencoder.h
new file mode 100644
index 0000000000..61aeb8ace7
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegencoder.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_JPEGRECOVERYMAP_JPEGENCODER_H
+#define ANDROID_JPEGRECOVERYMAP_JPEGENCODER_H
+
+// We must include cstdio before jpeglib.h. It is a requirement of libjpeg.
+#include <cstdio>
+
+extern "C" {
+#include <jerror.h>
+#include <jpeglib.h>
+}
+
+#include <utils/Errors.h>
+#include <vector>
+
+namespace android::recoverymap {
+
+/*
+ * Encapsulates a converter from raw image (YUV420planer or grey-scale) to JPEG format.
+ * This class is not thread-safe.
+ */
+class JpegEncoder {
+public:
+    JpegEncoder();
+    ~JpegEncoder();
+
+    /*
+     * Compresses YUV420Planer image to JPEG format. After calling this method, call
+     * getCompressedImage() to get the image. |quality| is the jpeg image quality parameter to use.
+     * It ranges from 1 (poorest quality) to 100 (highest quality). |iccBuffer| is the buffer of
+     * ICC segment which will be added to the compressed image.
+     * Returns false if errors occur during compression.
+     */
+    bool compressImage(const void* image, int width, int height, int quality,
+                       const void* iccBuffer, unsigned int iccSize, bool isSingleChannel = false);
+
+    /*
+     * Returns the compressed JPEG buffer pointer. This method must be called only after calling
+     * compressImage().
+     */
+    void* getCompressedImagePtr();
+
+    /*
+     * Returns the compressed JPEG buffer size. This method must be called only after calling
+     * compressImage().
+     */
+    size_t getCompressedImageSize();
+
+private:
+    // initDestination(), emptyOutputBuffer() and emptyOutputBuffer() are callback functions to be
+    // passed into jpeg library.
+    static void initDestination(j_compress_ptr cinfo);
+    static boolean emptyOutputBuffer(j_compress_ptr cinfo);
+    static void terminateDestination(j_compress_ptr cinfo);
+    static void outputErrorMessage(j_common_ptr cinfo);
+
+    // Returns false if errors occur.
+    bool encode(const void* inYuv, int width, int height, int jpegQuality,
+                const void* iccBuffer, unsigned int iccSize, bool isSingleChannel);
+    void setJpegDestination(jpeg_compress_struct* cinfo);
+    void setJpegCompressStruct(int width, int height, int quality, jpeg_compress_struct* cinfo,
+                               bool isSingleChannel);
+    // Returns false if errors occur.
+    bool compress(jpeg_compress_struct* cinfo, const uint8_t* image, bool isSingleChannel);
+    bool compressYuv(jpeg_compress_struct* cinfo, const uint8_t* yuv);
+    bool compressSingleChannel(jpeg_compress_struct* cinfo, const uint8_t* image);
+
+    // The block size for encoded jpeg image buffer.
+    static const int kBlockSize = 16384;
+    // Process 16 lines of Y and 16 lines of U/V each time.
+    // We must pass at least 16 scanlines according to libjpeg documentation.
+    static const int kCompressBatchSize = 16;
+
+    // The buffer that holds the compressed result.
+    std::vector<JOCTET> mResultBuffer;
+};
+
+} /* namespace android  */
+
+#endif // ANDROID_JPEGRECOVERYMAP_JPEGENCODER_H
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/jpegrerrorcode.h b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegrerrorcode.h
new file mode 100644
index 0000000000..6995762ea2
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/jpegrerrorcode.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <utils/Errors.h>
+
+namespace android::recoverymap {
+
+enum {
+    // status_t map for errors in the media framework
+    // OK or NO_ERROR or 0 represents no error.
+
+    // See system/core/include/utils/Errors.h
+    // System standard errors from -1 through (possibly) -133
+    //
+    // Errors with special meanings and side effects.
+    // INVALID_OPERATION:  Operation attempted in an illegal state (will try to signal to app).
+    // DEAD_OBJECT:        Signal from CodecBase to MediaCodec that MediaServer has died.
+    // NAME_NOT_FOUND:     Signal from CodecBase to MediaCodec that the component was not found.
+
+    // JPEGR errors
+    JPEGR_IO_ERROR_BASE                 = -10000,
+    ERROR_JPEGR_INVALID_INPUT_TYPE      = JPEGR_IO_ERROR_BASE,
+    ERROR_JPEGR_INVALID_OUTPUT_TYPE     = JPEGR_IO_ERROR_BASE - 1,
+    ERROR_JPEGR_INVALID_NULL_PTR        = JPEGR_IO_ERROR_BASE - 2,
+    ERROR_JPEGR_RESOLUTION_MISMATCH     = JPEGR_IO_ERROR_BASE - 3,
+    ERROR_JPEGR_BUFFER_TOO_SMALL        = JPEGR_IO_ERROR_BASE - 4,
+    ERROR_JPEGR_INVALID_COLORGAMUT      = JPEGR_IO_ERROR_BASE - 5,
+
+    JPEGR_RUNTIME_ERROR_BASE            = -20000,
+    ERROR_JPEGR_ENCODE_ERROR            = JPEGR_RUNTIME_ERROR_BASE - 1,
+    ERROR_JPEGR_DECODE_ERROR            = JPEGR_RUNTIME_ERROR_BASE - 2,
+    ERROR_JPEGR_CALCULATION_ERROR       = JPEGR_RUNTIME_ERROR_BASE - 3,
+    ERROR_JPEGR_METADATA_ERROR          = JPEGR_RUNTIME_ERROR_BASE - 4,
+    ERROR_JPEGR_TONEMAP_ERROR           = JPEGR_RUNTIME_ERROR_BASE - 5,
+};
+
+}  // namespace android::recoverymap
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymap.h b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymap.h
new file mode 100644
index 0000000000..74f9776be6
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymap.h
@@ -0,0 +1,400 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_JPEGRECOVERYMAP_RECOVERYMAP_H
+#define ANDROID_JPEGRECOVERYMAP_RECOVERYMAP_H
+
+#include "jpegrerrorcode.h"
+
+namespace android::recoverymap {
+
+typedef enum {
+  JPEGR_COLORGAMUT_UNSPECIFIED,
+  JPEGR_COLORGAMUT_BT709,
+  JPEGR_COLORGAMUT_P3,
+  JPEGR_COLORGAMUT_BT2100,
+} jpegr_color_gamut;
+
+// Transfer functions as defined for XMP metadata
+typedef enum {
+  JPEGR_TF_HLG = 0,
+  JPEGR_TF_PQ = 1,
+} jpegr_transfer_function;
+
+struct jpegr_info_struct {
+    size_t width;
+    size_t height;
+    std::vector<uint8_t>* iccData;
+    std::vector<uint8_t>* exifData;
+};
+
+/*
+ * Holds information for uncompressed image or recovery map.
+ */
+struct jpegr_uncompressed_struct {
+    // Pointer to the data location.
+    void* data;
+    // Width of the recovery map or image in pixels.
+    int width;
+    // Height of the recovery map or image in pixels.
+    int height;
+    // Color gamut.
+    jpegr_color_gamut colorGamut;
+};
+
+/*
+ * Holds information for compressed image or recovery map.
+ */
+struct jpegr_compressed_struct {
+    // Pointer to the data location.
+    void* data;
+    // Used data length in bytes.
+    int length;
+    // Maximum available data length in bytes.
+    int maxLength;
+    // Color gamut.
+    jpegr_color_gamut colorGamut;
+};
+
+/*
+ * Holds information for EXIF metadata.
+ */
+struct jpegr_exif_struct {
+    // Pointer to the data location.
+    void* data;
+    // Data length;
+    int length;
+};
+
+struct chromaticity_coord {
+  float x;
+  float y;
+};
+
+
+struct st2086_metadata {
+  // xy chromaticity coordinate of the red primary of the mastering display
+  chromaticity_coord redPrimary;
+  // xy chromaticity coordinate of the green primary of the mastering display
+  chromaticity_coord greenPrimary;
+  // xy chromaticity coordinate of the blue primary of the mastering display
+  chromaticity_coord bluePrimary;
+  // xy chromaticity coordinate of the white point of the mastering display
+  chromaticity_coord whitePoint;
+  // Maximum luminance in nits of the mastering display
+  uint32_t maxLuminance;
+  // Minimum luminance in nits of the mastering display
+  float minLuminance;
+};
+
+struct hdr10_metadata {
+  // Mastering display color volume
+  st2086_metadata st2086Metadata;
+  // Max frame average light level in nits
+  float maxFALL;
+  // Max content light level in nits
+  float maxCLL;
+};
+
+struct jpegr_metadata {
+  // JPEG/R version
+  uint32_t version;
+  // Range scaling factor for the map
+  float rangeScalingFactor;
+  // The transfer function for decoding the HDR representation of the image
+  jpegr_transfer_function transferFunction;
+  // HDR10 metadata, only applicable for transferFunction of JPEGR_TF_PQ
+  hdr10_metadata hdr10Metadata;
+};
+
+typedef struct jpegr_uncompressed_struct* jr_uncompressed_ptr;
+typedef struct jpegr_compressed_struct* jr_compressed_ptr;
+typedef struct jpegr_exif_struct* jr_exif_ptr;
+typedef struct jpegr_metadata* jr_metadata_ptr;
+typedef struct jpegr_info_struct* jr_info_ptr;
+
+class RecoveryMap {
+public:
+    /*
+     * Encode API-0
+     * Compress JPEGR image from 10-bit HDR YUV.
+     *
+     * Tonemap the HDR input to a SDR image, generate recovery map from the HDR and SDR images,
+     * compress SDR YUV to 8-bit JPEG and append the recovery map to the end of the compressed
+     * JPEG.
+     * @param uncompressed_p010_image uncompressed HDR image in P010 color format
+     * @param hdr_tf transfer function of the HDR image
+     * @param dest destination of the compressed JPEGR image
+     * @param quality target quality of the JPEG encoding, must be in range of 0-100 where 100 is
+     *                the highest quality
+     * @param exif pointer to the exif metadata.
+     * @return NO_ERROR if encoding succeeds, error code if error occurs.
+     */
+    status_t encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                         jpegr_transfer_function hdr_tf,
+                         jr_compressed_ptr dest,
+                         int quality,
+                         jr_exif_ptr exif);
+
+    /*
+     * Encode API-1
+     * Compress JPEGR image from 10-bit HDR YUV and 8-bit SDR YUV.
+     *
+     * Generate recovery map from the HDR and SDR inputs, compress SDR YUV to 8-bit JPEG and append
+     * the recovery map to the end of the compressed JPEG. HDR and SDR inputs must be the same
+     * resolution.
+     * @param uncompressed_p010_image uncompressed HDR image in P010 color format
+     * @param uncompressed_yuv_420_image uncompressed SDR image in YUV_420 color format
+     * @param hdr_tf transfer function of the HDR image
+     * @param dest destination of the compressed JPEGR image
+     * @param quality target quality of the JPEG encoding, must be in range of 0-100 where 100 is
+     *                the highest quality
+     * @param exif pointer to the exif metadata.
+     * @return NO_ERROR if encoding succeeds, error code if error occurs.
+     */
+    status_t encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                         jr_uncompressed_ptr uncompressed_yuv_420_image,
+                         jpegr_transfer_function hdr_tf,
+                         jr_compressed_ptr dest,
+                         int quality,
+                         jr_exif_ptr exif);
+
+    /*
+     * Encode API-2
+     * Compress JPEGR image from 10-bit HDR YUV, 8-bit SDR YUV and compressed 8-bit JPEG.
+     *
+     * This method requires HAL Hardware JPEG encoder.
+     *
+     * Generate recovery map from the HDR and SDR inputs, append the recovery map to the end of the
+     * compressed JPEG. HDR and SDR inputs must be the same resolution and color space.
+     * @param uncompressed_p010_image uncompressed HDR image in P010 color format
+     * @param uncompressed_yuv_420_image uncompressed SDR image in YUV_420 color format
+     *                                   Note: the SDR image must be the decoded version of the JPEG
+     *                                         input
+     * @param compressed_jpeg_image compressed 8-bit JPEG image
+     * @param hdr_tf transfer function of the HDR image
+     * @param dest destination of the compressed JPEGR image
+     * @return NO_ERROR if encoding succeeds, error code if error occurs.
+     */
+    status_t encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                         jr_uncompressed_ptr uncompressed_yuv_420_image,
+                         jr_compressed_ptr compressed_jpeg_image,
+                         jpegr_transfer_function hdr_tf,
+                         jr_compressed_ptr dest);
+
+    /*
+     * Encode API-3
+     * Compress JPEGR image from 10-bit HDR YUV and 8-bit SDR YUV.
+     *
+     * This method requires HAL Hardware JPEG encoder.
+     *
+     * Decode the compressed 8-bit JPEG image to YUV SDR, generate recovery map from the HDR input
+     * and the decoded SDR result, append the recovery map to the end of the compressed JPEG. HDR
+     * and SDR inputs must be the same resolution.
+     * @param uncompressed_p010_image uncompressed HDR image in P010 color format
+     * @param compressed_jpeg_image compressed 8-bit JPEG image
+     * @param hdr_tf transfer function of the HDR image
+     * @param dest destination of the compressed JPEGR image
+     * @return NO_ERROR if encoding succeeds, error code if error occurs.
+     */
+    status_t encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                         jr_compressed_ptr compressed_jpeg_image,
+                         jpegr_transfer_function hdr_tf,
+                         jr_compressed_ptr dest);
+
+    /*
+     * Decode API
+     * Decompress JPEGR image.
+     *
+     * The output JPEGR image is in RGBA_1010102 data format if decoding to HDR.
+     * @param compressed_jpegr_image compressed JPEGR image
+     * @param dest destination of the uncompressed JPEGR image
+     * @param exif destination of the decoded EXIF metadata.
+     * @param request_sdr flag that request SDR output. If set to true, decoder will only decode
+     *                    the primary image which is SDR. Setting of request_sdr and input source
+     *                    (HDR or SDR) can be found in the table below:
+     *                    |  input source  |  request_sdr  |  output of decoding  |
+     *                    |       HDR      |     true      |          SDR         |
+     *                    |       HDR      |     false     |          HDR         |
+     *                    |       SDR      |     true      |          SDR         |
+     *                    |       SDR      |     false     |          SDR         |
+     * @return NO_ERROR if decoding succeeds, error code if error occurs.
+     */
+    status_t decodeJPEGR(jr_compressed_ptr compressed_jpegr_image,
+                         jr_uncompressed_ptr dest,
+                         jr_exif_ptr exif = nullptr,
+                         bool request_sdr = false);
+
+    /*
+    * Gets Info from JPEGR file without decoding it.
+    *
+    * The output is filled jpegr_info structure
+    * @param compressed_jpegr_image compressed JPEGR image
+    * @param jpegr_info pointer to output JPEGR info
+    * @return NO_ERROR if JPEGR parsing succeeds, error code otherwise
+    */
+    status_t getJPEGRInfo(jr_compressed_ptr compressed_jpegr_image,
+                          jr_info_ptr jpegr_info);
+private:
+    /*
+     * This method is called in the decoding pipeline. It will decode the recovery map.
+     *
+     * @param compressed_recovery_map compressed recovery map
+     * @param dest decoded recover map
+     * @return NO_ERROR if decoding succeeds, error code if error occurs.
+     */
+    status_t decompressRecoveryMap(jr_compressed_ptr compressed_recovery_map,
+                               jr_uncompressed_ptr dest);
+
+    /*
+     * This method is called in the encoding pipeline. It will encode the recovery map.
+     *
+     * @param uncompressed_recovery_map uncompressed recovery map
+     * @param dest encoded recover map
+     * @return NO_ERROR if encoding succeeds, error code if error occurs.
+     */
+    status_t compressRecoveryMap(jr_uncompressed_ptr uncompressed_recovery_map,
+                               jr_compressed_ptr dest);
+
+    /*
+     * This method is called in the encoding pipeline. It will take the uncompressed 8-bit and
+     * 10-bit yuv images as input, and calculate the uncompressed recovery map. The input images
+     * must be the same resolution.
+     *
+     * @param uncompressed_yuv_420_image uncompressed SDR image in YUV_420 color format
+     * @param uncompressed_p010_image uncompressed HDR image in P010 color format
+     * @param dest recovery map; caller responsible for memory of data
+     * @param metadata metadata provides the transfer function for the HDR
+     *                 image; range_scaling_factor and hdr10 FALL and CLL will
+     *                 be updated.
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+     */
+    status_t generateRecoveryMap(jr_uncompressed_ptr uncompressed_yuv_420_image,
+                                 jr_uncompressed_ptr uncompressed_p010_image,
+                                 jr_metadata_ptr metadata,
+                                 jr_uncompressed_ptr dest);
+
+    /*
+     * This method is called in the decoding pipeline. It will take the uncompressed (decoded)
+     * 8-bit yuv image, the uncompressed (decoded) recovery map, and extracted JPEG/R metadata as
+     * input, and calculate the 10-bit recovered image. The recovered output image is the same
+     * color gamut as the SDR image, with the transfer function specified in the JPEG/R metadata,
+     * and is in RGBA1010102 data format.
+     *
+     * @param uncompressed_yuv_420_image uncompressed SDR image in YUV_420 color format
+     * @param uncompressed_recovery_map uncompressed recovery map
+     * @param metadata JPEG/R metadata extracted from XMP.
+     * @param dest reconstructed HDR image
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+     */
+    status_t applyRecoveryMap(jr_uncompressed_ptr uncompressed_yuv_420_image,
+                              jr_uncompressed_ptr uncompressed_recovery_map,
+                              jr_metadata_ptr metadata,
+                              jr_uncompressed_ptr dest);
+
+    /*
+     * This methoud is called to separate primary image and recovery map image from JPEGR
+     *
+     * @param compressed_jpegr_image compressed JPEGR image
+     * @param primary_image destination of primary image
+     * @param recovery_map destination of compressed recovery map
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+    */
+    status_t extractPrimaryImageAndRecoveryMap(jr_compressed_ptr compressed_jpegr_image,
+                                               jr_compressed_ptr primary_image,
+                                               jr_compressed_ptr recovery_map);
+    /*
+     * This method is called in the decoding pipeline. It will read XMP metadata to find the start
+     * position of the compressed recovery map, and will extract the compressed recovery map.
+     *
+     * @param compressed_jpegr_image compressed JPEGR image
+     * @param dest destination of compressed recovery map
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+     */
+    status_t extractRecoveryMap(jr_compressed_ptr compressed_jpegr_image,
+                                jr_compressed_ptr dest);
+
+    /*
+     * This method is called in the encoding pipeline. It will take the standard 8-bit JPEG image
+     * and the compressed recovery map as input, and update the XMP metadata with the end of JPEG
+     * marker, and append the compressed gian map after the JPEG.
+     *
+     * @param compressed_jpeg_image compressed 8-bit JPEG image
+     * @param compress_recovery_map compressed recover map
+     * @param metadata JPEG/R metadata to encode in XMP of the jpeg
+     * @param dest compressed JPEGR image
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+     */
+    status_t appendRecoveryMap(jr_compressed_ptr compressed_jpeg_image,
+                               jr_compressed_ptr compressed_recovery_map,
+                               jr_metadata_ptr metadata,
+                               jr_compressed_ptr dest);
+
+    /*
+     * This method generates XMP metadata.
+     *
+     * below is an example of the XMP metadata that this function generates where
+     * secondary_image_length = 1000
+     * range_scaling_factor = 1.25
+     *
+     * <x:xmpmeta
+     *   xmlns:x="adobe:ns:meta/"
+     *   x:xmptk="Adobe XMP Core 5.1.2">
+     *   <rdf:RDF
+     *     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+     *     <rdf:Description
+     *       xmlns:GContainer="http://ns.google.com/photos/1.0/container/">
+     *       <GContainer:Version>1</GContainer:Version>
+     *       <GContainer:RangeScalingFactor>1.25</GContainer:RangeScalingFactor>
+     *       <GContainer:Directory>
+     *         <rdf:Seq>
+     *           <rdf:li>
+     *             <GContainer:Item
+     *               Item:Semantic="Primary"
+     *               Item:Mime="image/jpeg"/>
+     *           </rdf:li>
+     *           <rdf:li>
+     *             <GContainer:Item
+     *               Item:Semantic="RecoveryMap"
+     *               Item:Mime="image/jpeg"
+     *               Item:Length="1000"/>
+     *           </rdf:li>
+     *         </rdf:Seq>
+     *       </GContainer:Directory>
+     *     </rdf:Description>
+     *   </rdf:RDF>
+     * </x:xmpmeta>
+     *
+     * @param secondary_image_length length of secondary image
+     * @param metadata JPEG/R metadata to encode as XMP
+     * @return XMP metadata in type of string
+     */
+    std::string generateXmp(int secondary_image_length, jpegr_metadata& metadata);
+
+    /*
+     * This method will tone map a HDR image to an SDR image.
+     *
+     * @param uncompressed_p010_image (input) uncompressed P010 image
+     * @param dest (output) tone mapping result as a YUV_420 image
+     * @return NO_ERROR if calculation succeeds, error code if error occurs.
+     */
+    status_t toneMap(jr_uncompressed_ptr uncompressed_p010_image,
+                     jr_uncompressed_ptr dest);
+};
+
+} // namespace android::recoverymap
+
+#endif // ANDROID_JPEGRECOVERYMAP_RECOVERYMAP_H
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymapmath.h b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymapmath.h
new file mode 100644
index 0000000000..0fb64d3c15
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymapmath.h
@@ -0,0 +1,296 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_JPEGRECOVERYMAP_RECOVERYMAPMATH_H
+#define ANDROID_JPEGRECOVERYMAP_RECOVERYMAPMATH_H
+
+#include <stdint.h>
+
+#include <jpegrecoverymap/recoverymap.h>
+
+namespace android::recoverymap {
+
+////////////////////////////////////////////////////////////////////////////////
+// Framework
+
+const float kSdrWhiteNits = 100.0f;
+const float kHlgMaxNits = 1000.0f;
+const float kPqMaxNits = 10000.0f;
+
+struct Color {
+  union {
+    struct {
+      float r;
+      float g;
+      float b;
+    };
+    struct {
+      float y;
+      float u;
+      float v;
+    };
+  };
+};
+
+typedef Color (*ColorTransformFn)(Color);
+typedef float (*ColorCalculationFn)(Color);
+
+inline Color operator+=(Color& lhs, const Color& rhs) {
+  lhs.r += rhs.r;
+  lhs.g += rhs.g;
+  lhs.b += rhs.b;
+  return lhs;
+}
+inline Color operator-=(Color& lhs, const Color& rhs) {
+  lhs.r -= rhs.r;
+  lhs.g -= rhs.g;
+  lhs.b -= rhs.b;
+  return lhs;
+}
+
+inline Color operator+(const Color& lhs, const Color& rhs) {
+  Color temp = lhs;
+  return temp += rhs;
+}
+inline Color operator-(const Color& lhs, const Color& rhs) {
+  Color temp = lhs;
+  return temp -= rhs;
+}
+
+inline Color operator+=(Color& lhs, const float rhs) {
+  lhs.r += rhs;
+  lhs.g += rhs;
+  lhs.b += rhs;
+  return lhs;
+}
+inline Color operator-=(Color& lhs, const float rhs) {
+  lhs.r -= rhs;
+  lhs.g -= rhs;
+  lhs.b -= rhs;
+  return lhs;
+}
+inline Color operator*=(Color& lhs, const float rhs) {
+  lhs.r *= rhs;
+  lhs.g *= rhs;
+  lhs.b *= rhs;
+  return lhs;
+}
+inline Color operator/=(Color& lhs, const float rhs) {
+  lhs.r /= rhs;
+  lhs.g /= rhs;
+  lhs.b /= rhs;
+  return lhs;
+}
+
+inline Color operator+(const Color& lhs, const float rhs) {
+  Color temp = lhs;
+  return temp += rhs;
+}
+inline Color operator-(const Color& lhs, const float rhs) {
+  Color temp = lhs;
+  return temp -= rhs;
+}
+inline Color operator*(const Color& lhs, const float rhs) {
+  Color temp = lhs;
+  return temp *= rhs;
+}
+inline Color operator/(const Color& lhs, const float rhs) {
+  Color temp = lhs;
+  return temp /= rhs;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// sRGB transformations
+// NOTE: sRGB has the same color primaries as BT.709, but different transfer
+// function. For this reason, all sRGB transformations here apply to BT.709,
+// except for those concerning transfer functions.
+
+/*
+ * Calculate the luminance of a linear RGB sRGB pixel, according to IEC 61966-2-1.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float srgbLuminance(Color e);
+
+/*
+ * Convert from OETF'd srgb YUV to RGB, according to ECMA TR/98.
+ */
+Color srgbYuvToRgb(Color e_gamma);
+
+/*
+ * Convert from OETF'd srgb RGB to YUV, according to ECMA TR/98.
+ */
+Color srgbRgbToYuv(Color e_gamma);
+
+/*
+ * Convert from srgb to linear, according to IEC 61966-2-1.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float srgbInvOetf(float e_gamma);
+Color srgbInvOetf(Color e_gamma);
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Display-P3 transformations
+
+/*
+ * Calculated the luminance of a linear RGB P3 pixel, according to SMPTE EG 432-1.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float p3Luminance(Color e);
+
+
+////////////////////////////////////////////////////////////////////////////////
+// BT.2100 transformations - according to ITU-R BT.2100-2
+
+/*
+ * Calculate the luminance of a linear RGB BT.2100 pixel.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float bt2100Luminance(Color e);
+
+/*
+ * Convert from OETF'd BT.2100 RGB to YUV.
+ */
+Color bt2100RgbToYuv(Color e_gamma);
+
+/*
+ * Convert from OETF'd BT.2100 YUV to RGB.
+ */
+Color bt2100YuvToRgb(Color e_gamma);
+
+/*
+ * Convert from scene luminance to HLG.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float hlgOetf(float e);
+Color hlgOetf(Color e);
+
+/*
+ * Convert from HLG to scene luminance.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float hlgInvOetf(float e_gamma);
+Color hlgInvOetf(Color e_gamma);
+
+/*
+ * Convert from scene luminance to PQ.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float pqOetf(float e);
+Color pqOetf(Color e);
+
+/*
+ * Convert from PQ to scene luminance in nits.
+ *
+ * [0.0, 1.0] range in and out.
+ */
+float pqInvOetf(float e_gamma);
+Color pqInvOetf(Color e_gamma);
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Color space conversions
+
+/*
+ * Convert between color spaces with linear RGB data, according to ITU-R BT.2407 and EG 432-1.
+ *
+ * All conversions are derived from multiplying the matrix for XYZ to output RGB color gamut by the
+ * matrix for input RGB color gamut to XYZ. The matrix for converting from XYZ to an RGB gamut is
+ * always the inverse of the RGB gamut to XYZ matrix.
+ */
+Color bt709ToP3(Color e);
+Color bt709ToBt2100(Color e);
+Color p3ToBt709(Color e);
+Color p3ToBt2100(Color e);
+Color bt2100ToBt709(Color e);
+Color bt2100ToP3(Color e);
+
+/*
+ * Identity conversion.
+ */
+inline Color identityConversion(Color e) { return e; }
+
+/*
+ * Get the conversion to apply to the HDR image for recovery map generation
+ */
+ColorTransformFn getHdrConversionFn(jpegr_color_gamut sdr_gamut, jpegr_color_gamut hdr_gamut);
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Recovery map calculations
+
+/*
+ * Calculate the 8-bit unsigned integer recovery value for the given SDR and HDR
+ * luminances in linear space, and the hdr ratio to encode against.
+ */
+uint8_t encodeRecovery(float y_sdr, float y_hdr, float hdr_ratio);
+
+/*
+ * Calculates the linear luminance in nits after applying the given recovery
+ * value, with the given hdr ratio, to the given sdr input in the range [0, 1].
+ */
+Color applyRecovery(Color e, float recovery, float hdr_ratio);
+
+/*
+ * Helper for sampling from YUV 420 images.
+ */
+Color getYuv420Pixel(jr_uncompressed_ptr image, size_t x, size_t y);
+
+/*
+ * Helper for sampling from P010 images.
+ *
+ * Expect narrow-range image data for P010.
+ */
+Color getP010Pixel(jr_uncompressed_ptr image, size_t x, size_t y);
+
+/*
+ * Sample the image at the provided location, with a weighting based on nearby
+ * pixels and the map scale factor.
+ */
+Color sampleYuv420(jr_uncompressed_ptr map, size_t map_scale_factor, size_t x, size_t y);
+
+/*
+ * Sample the image at the provided location, with a weighting based on nearby
+ * pixels and the map scale factor.
+ *
+ * Expect narrow-range image data for P010.
+ */
+Color sampleP010(jr_uncompressed_ptr map, size_t map_scale_factor, size_t x, size_t y);
+
+/*
+ * Sample the recovery value for the map from a given x,y coordinate on a scale
+ * that is map scale factor larger than the map size.
+ */
+float sampleMap(jr_uncompressed_ptr map, size_t map_scale_factor, size_t x, size_t y);
+
+/*
+ * Convert from Color to RGBA1010102.
+ *
+ * Alpha always set to 1.0.
+ */
+uint32_t colorToRgba1010102(Color e_gamma);
+
+} // namespace android::recoverymap
+
+#endif // ANDROID_JPEGRECOVERYMAP_RECOVERYMAPMATH_H
diff --git a/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymaputils.h b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymaputils.h
new file mode 100644
index 0000000000..e35f2d72cb
--- /dev/null
+++ b/libs/jpegrecoverymap/include/jpegrecoverymap/recoverymaputils.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_JPEGRECOVERYMAP_RECOVERYMAPUTILS_H
+#define ANDROID_JPEGRECOVERYMAP_RECOVERYMAPUTILS_H
+
+#include <stdint.h>
+#include <cstdio>
+
+
+namespace android::recoverymap {
+
+struct jpegr_metadata;
+
+/*
+ * Parses XMP packet and fills metadata with data from XMP
+ *
+ * @param xmp_data pointer to XMP packet
+ * @param xmp_size size of XMP packet
+ * @param metadata place to store HDR metadata values
+ * @return true if metadata is successfully retrieved, false otherwise
+*/
+bool getMetadataFromXMP(uint8_t* xmp_data, size_t xmp_size, jpegr_metadata* metadata);
+
+}
+
+#endif //ANDROID_JPEGRECOVERYMAP_RECOVERYMAPUTILS_H
\ No newline at end of file
diff --git a/libs/jpegrecoverymap/jpegdecoder.cpp b/libs/jpegrecoverymap/jpegdecoder.cpp
new file mode 100644
index 0000000000..0185e55e9e
--- /dev/null
+++ b/libs/jpegrecoverymap/jpegdecoder.cpp
@@ -0,0 +1,309 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/jpegdecoder.h>
+
+#include <cutils/log.h>
+
+#include <errno.h>
+#include <setjmp.h>
+#include <string>
+
+using namespace std;
+
+namespace android::recoverymap {
+
+const uint32_t kExifMarker = JPEG_APP0 + 1;
+const uint32_t kICCMarker = JPEG_APP0 + 2;
+
+struct jpegr_source_mgr : jpeg_source_mgr {
+    jpegr_source_mgr(const uint8_t* ptr, int len);
+    ~jpegr_source_mgr();
+
+    const uint8_t* mBufferPtr;
+    size_t mBufferLength;
+};
+
+struct jpegrerror_mgr {
+    struct jpeg_error_mgr pub;
+    jmp_buf setjmp_buffer;
+};
+
+static void jpegr_init_source(j_decompress_ptr cinfo) {
+    jpegr_source_mgr* src = static_cast<jpegr_source_mgr*>(cinfo->src);
+    src->next_input_byte = static_cast<const JOCTET*>(src->mBufferPtr);
+    src->bytes_in_buffer = src->mBufferLength;
+}
+
+static boolean jpegr_fill_input_buffer(j_decompress_ptr /* cinfo */) {
+    ALOGE("%s : should not get here", __func__);
+    return FALSE;
+}
+
+static void jpegr_skip_input_data(j_decompress_ptr cinfo, long num_bytes) {
+    jpegr_source_mgr* src = static_cast<jpegr_source_mgr*>(cinfo->src);
+
+    if (num_bytes > static_cast<long>(src->bytes_in_buffer)) {
+        ALOGE("jpegr_skip_input_data - num_bytes > (long)src->bytes_in_buffer");
+    } else {
+        src->next_input_byte += num_bytes;
+        src->bytes_in_buffer -= num_bytes;
+    }
+}
+
+static void jpegr_term_source(j_decompress_ptr /*cinfo*/) {}
+
+jpegr_source_mgr::jpegr_source_mgr(const uint8_t* ptr, int len) :
+        mBufferPtr(ptr), mBufferLength(len) {
+    init_source = jpegr_init_source;
+    fill_input_buffer = jpegr_fill_input_buffer;
+    skip_input_data = jpegr_skip_input_data;
+    resync_to_restart = jpeg_resync_to_restart;
+    term_source = jpegr_term_source;
+}
+
+jpegr_source_mgr::~jpegr_source_mgr() {}
+
+static void jpegrerror_exit(j_common_ptr cinfo) {
+    jpegrerror_mgr* err = reinterpret_cast<jpegrerror_mgr*>(cinfo->err);
+    longjmp(err->setjmp_buffer, 1);
+}
+
+JpegDecoder::JpegDecoder() {
+}
+
+JpegDecoder::~JpegDecoder() {
+}
+
+bool JpegDecoder::decompressImage(const void* image, int length) {
+    if (image == nullptr || length <= 0) {
+        ALOGE("Image size can not be handled: %d", length);
+        return false;
+    }
+
+    mResultBuffer.clear();
+    mXMPBuffer.clear();
+    if (!decode(image, length)) {
+        return false;
+    }
+
+    return true;
+}
+
+void* JpegDecoder::getDecompressedImagePtr() {
+    return mResultBuffer.data();
+}
+
+size_t JpegDecoder::getDecompressedImageSize() {
+    return mResultBuffer.size();
+}
+
+void* JpegDecoder::getXMPPtr() {
+    return mXMPBuffer.data();
+}
+
+size_t JpegDecoder::getXMPSize() {
+    return mXMPBuffer.size();
+}
+
+
+size_t JpegDecoder::getDecompressedImageWidth() {
+    return mWidth;
+}
+
+size_t JpegDecoder::getDecompressedImageHeight() {
+    return mHeight;
+}
+
+bool JpegDecoder::decode(const void* image, int length) {
+    jpeg_decompress_struct cinfo;
+    jpegr_source_mgr mgr(static_cast<const uint8_t*>(image), length);
+    jpegrerror_mgr myerr;
+    string nameSpace = "http://ns.adobe.com/xap/1.0/";
+
+    cinfo.err = jpeg_std_error(&myerr.pub);
+    myerr.pub.error_exit = jpegrerror_exit;
+
+    if (setjmp(myerr.setjmp_buffer)) {
+        jpeg_destroy_decompress(&cinfo);
+        return false;
+    }
+    jpeg_create_decompress(&cinfo);
+
+    jpeg_save_markers(&cinfo, kExifMarker, 0xFFFF);
+
+    cinfo.src = &mgr;
+    jpeg_read_header(&cinfo, TRUE);
+
+    // Save XMP Data
+    for (jpeg_marker_struct* marker = cinfo.marker_list; marker; marker = marker->next) {
+        if (marker->marker == kExifMarker) {
+            const unsigned int len = marker->data_length;
+            if (len > nameSpace.size() &&
+                !strncmp(reinterpret_cast<const char*>(marker->data),
+                         nameSpace.c_str(), nameSpace.size())) {
+                mXMPBuffer.resize(len+1, 0);
+                memcpy(static_cast<void*>(mXMPBuffer.data()), marker->data, len);
+                break;
+            }
+        }
+    }
+
+
+    mWidth = cinfo.image_width;
+    mHeight = cinfo.image_height;
+
+    if (cinfo.jpeg_color_space == JCS_YCbCr) {
+        mResultBuffer.resize(cinfo.image_width * cinfo.image_height * 3 / 2, 0);
+    } else if (cinfo.jpeg_color_space == JCS_GRAYSCALE) {
+        mResultBuffer.resize(cinfo.image_width * cinfo.image_height, 0);
+    }
+
+    cinfo.raw_data_out = TRUE;
+    cinfo.dct_method = JDCT_IFAST;
+    cinfo.out_color_space = cinfo.jpeg_color_space;
+
+    jpeg_start_decompress(&cinfo);
+
+    if (!decompress(&cinfo, static_cast<const uint8_t*>(mResultBuffer.data()),
+            cinfo.jpeg_color_space == JCS_GRAYSCALE)) {
+        return false;
+    }
+
+    jpeg_finish_decompress(&cinfo);
+    jpeg_destroy_decompress(&cinfo);
+
+    return true;
+}
+
+bool JpegDecoder::decompress(jpeg_decompress_struct* cinfo, const uint8_t* dest,
+        bool isSingleChannel) {
+    if (isSingleChannel) {
+        return decompressSingleChannel(cinfo, dest);
+    }
+    return decompressYUV(cinfo, dest);
+}
+
+bool JpegDecoder::getCompressedImageParameters(const void* image, int length,
+                              size_t *pWidth, size_t *pHeight,
+                              std::vector<uint8_t> *&iccData , std::vector<uint8_t> *&exifData) {
+    jpeg_decompress_struct cinfo;
+    jpegr_source_mgr mgr(static_cast<const uint8_t*>(image), length);
+    jpegrerror_mgr myerr;
+    cinfo.err = jpeg_std_error(&myerr.pub);
+    myerr.pub.error_exit = jpegrerror_exit;
+
+    if (setjmp(myerr.setjmp_buffer)) {
+        jpeg_destroy_decompress(&cinfo);
+        return false;
+    }
+    jpeg_create_decompress(&cinfo);
+
+    jpeg_save_markers(&cinfo, kExifMarker, 0xFFFF);
+    jpeg_save_markers(&cinfo, kICCMarker, 0xFFFF);
+
+    cinfo.src = &mgr;
+    if (jpeg_read_header(&cinfo, TRUE) != JPEG_HEADER_OK) {
+        jpeg_destroy_decompress(&cinfo);
+        return false;
+    }
+
+    *pWidth = cinfo.image_width;
+    *pHeight = cinfo.image_height;
+
+    //TODO: Parse iccProfile and exifData
+    (void)iccData;
+    (void)exifData;
+
+
+    jpeg_destroy_decompress(&cinfo);
+    return true;
+}
+
+
+bool JpegDecoder::decompressYUV(jpeg_decompress_struct* cinfo, const uint8_t* dest) {
+
+    JSAMPROW y[kCompressBatchSize];
+    JSAMPROW cb[kCompressBatchSize / 2];
+    JSAMPROW cr[kCompressBatchSize / 2];
+    JSAMPARRAY planes[3] {y, cb, cr};
+
+    size_t y_plane_size = cinfo->image_width * cinfo->image_height;
+    size_t uv_plane_size = y_plane_size / 4;
+    uint8_t* y_plane = const_cast<uint8_t*>(dest);
+    uint8_t* u_plane = const_cast<uint8_t*>(dest + y_plane_size);
+    uint8_t* v_plane = const_cast<uint8_t*>(dest + y_plane_size + uv_plane_size);
+    std::unique_ptr<uint8_t[]> empty(new uint8_t[cinfo->image_width]);
+    memset(empty.get(), 0, cinfo->image_width);
+
+    while (cinfo->output_scanline < cinfo->image_height) {
+        for (int i = 0; i < kCompressBatchSize; ++i) {
+            size_t scanline = cinfo->output_scanline + i;
+            if (scanline < cinfo->image_height) {
+                y[i] = y_plane + scanline * cinfo->image_width;
+            } else {
+                y[i] = empty.get();
+            }
+        }
+        // cb, cr only have half scanlines
+        for (int i = 0; i < kCompressBatchSize / 2; ++i) {
+            size_t scanline = cinfo->output_scanline / 2 + i;
+            if (scanline < cinfo->image_height / 2) {
+                int offset = scanline * (cinfo->image_width / 2);
+                cb[i] = u_plane + offset;
+                cr[i] = v_plane + offset;
+            } else {
+                cb[i] = cr[i] = empty.get();
+            }
+        }
+
+        int processed = jpeg_read_raw_data(cinfo, planes, kCompressBatchSize);
+        if (processed != kCompressBatchSize) {
+            ALOGE("Number of processed lines does not equal input lines.");
+            return false;
+        }
+    }
+    return true;
+}
+
+bool JpegDecoder::decompressSingleChannel(jpeg_decompress_struct* cinfo, const uint8_t* dest) {
+    JSAMPROW y[kCompressBatchSize];
+    JSAMPARRAY planes[1] {y};
+
+    uint8_t* y_plane = const_cast<uint8_t*>(dest);
+    std::unique_ptr<uint8_t[]> empty(new uint8_t[cinfo->image_width]);
+    memset(empty.get(), 0, cinfo->image_width);
+
+    while (cinfo->output_scanline < cinfo->image_height) {
+        for (int i = 0; i < kCompressBatchSize; ++i) {
+            size_t scanline = cinfo->output_scanline + i;
+            if (scanline < cinfo->image_height) {
+                y[i] = y_plane + scanline * cinfo->image_width;
+            } else {
+                y[i] = empty.get();
+            }
+        }
+
+        int processed = jpeg_read_raw_data(cinfo, planes, kCompressBatchSize);
+        if (processed != kCompressBatchSize / 2) {
+            ALOGE("Number of processed lines does not equal input lines.");
+            return false;
+        }
+    }
+    return true;
+}
+
+} // namespace android
diff --git a/libs/jpegrecoverymap/jpegencoder.cpp b/libs/jpegrecoverymap/jpegencoder.cpp
new file mode 100644
index 0000000000..1997bf9ea3
--- /dev/null
+++ b/libs/jpegrecoverymap/jpegencoder.cpp
@@ -0,0 +1,239 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/jpegencoder.h>
+
+#include <cutils/log.h>
+
+#include <errno.h>
+
+namespace android::recoverymap {
+
+// The destination manager that can access |mResultBuffer| in JpegEncoder.
+struct destination_mgr {
+public:
+    struct jpeg_destination_mgr mgr;
+    JpegEncoder* encoder;
+};
+
+JpegEncoder::JpegEncoder() {
+}
+
+JpegEncoder::~JpegEncoder() {
+}
+
+bool JpegEncoder::compressImage(const void* image, int width, int height, int quality,
+                                   const void* iccBuffer, unsigned int iccSize,
+                                   bool isSingleChannel) {
+    if (width % 8 != 0 || height % 2 != 0) {
+        ALOGE("Image size can not be handled: %dx%d", width, height);
+        return false;
+    }
+
+    mResultBuffer.clear();
+    if (!encode(image, width, height, quality, iccBuffer, iccSize, isSingleChannel)) {
+        return false;
+    }
+    ALOGI("Compressed JPEG: %d[%dx%d] -> %zu bytes",
+        (width * height * 12) / 8, width, height, mResultBuffer.size());
+    return true;
+}
+
+void* JpegEncoder::getCompressedImagePtr() {
+    return mResultBuffer.data();
+}
+
+size_t JpegEncoder::getCompressedImageSize() {
+    return mResultBuffer.size();
+}
+
+void JpegEncoder::initDestination(j_compress_ptr cinfo) {
+    destination_mgr* dest = reinterpret_cast<destination_mgr*>(cinfo->dest);
+    std::vector<JOCTET>& buffer = dest->encoder->mResultBuffer;
+    buffer.resize(kBlockSize);
+    dest->mgr.next_output_byte = &buffer[0];
+    dest->mgr.free_in_buffer = buffer.size();
+}
+
+boolean JpegEncoder::emptyOutputBuffer(j_compress_ptr cinfo) {
+    destination_mgr* dest = reinterpret_cast<destination_mgr*>(cinfo->dest);
+    std::vector<JOCTET>& buffer = dest->encoder->mResultBuffer;
+    size_t oldsize = buffer.size();
+    buffer.resize(oldsize + kBlockSize);
+    dest->mgr.next_output_byte = &buffer[oldsize];
+    dest->mgr.free_in_buffer = kBlockSize;
+    return true;
+}
+
+void JpegEncoder::terminateDestination(j_compress_ptr cinfo) {
+    destination_mgr* dest = reinterpret_cast<destination_mgr*>(cinfo->dest);
+    std::vector<JOCTET>& buffer = dest->encoder->mResultBuffer;
+    buffer.resize(buffer.size() - dest->mgr.free_in_buffer);
+}
+
+void JpegEncoder::outputErrorMessage(j_common_ptr cinfo) {
+    char buffer[JMSG_LENGTH_MAX];
+
+    /* Create the message */
+    (*cinfo->err->format_message) (cinfo, buffer);
+    ALOGE("%s\n", buffer);
+}
+
+bool JpegEncoder::encode(const void* image, int width, int height, int jpegQuality,
+                         const void* iccBuffer, unsigned int iccSize, bool isSingleChannel) {
+    jpeg_compress_struct cinfo;
+    jpeg_error_mgr jerr;
+
+    cinfo.err = jpeg_std_error(&jerr);
+    // Override output_message() to print error log with ALOGE().
+    cinfo.err->output_message = &outputErrorMessage;
+    jpeg_create_compress(&cinfo);
+    setJpegDestination(&cinfo);
+
+    setJpegCompressStruct(width, height, jpegQuality, &cinfo, isSingleChannel);
+    jpeg_start_compress(&cinfo, TRUE);
+
+    if (iccBuffer != nullptr && iccSize > 0) {
+        jpeg_write_marker(&cinfo, JPEG_APP0 + 2, static_cast<const JOCTET*>(iccBuffer), iccSize);
+    }
+
+    if (!compress(&cinfo, static_cast<const uint8_t*>(image), isSingleChannel)) {
+        return false;
+    }
+    jpeg_finish_compress(&cinfo);
+    jpeg_destroy_compress(&cinfo);
+    return true;
+}
+
+void JpegEncoder::setJpegDestination(jpeg_compress_struct* cinfo) {
+    destination_mgr* dest = static_cast<struct destination_mgr *>((*cinfo->mem->alloc_small) (
+            (j_common_ptr) cinfo, JPOOL_PERMANENT, sizeof(destination_mgr)));
+    dest->encoder = this;
+    dest->mgr.init_destination = &initDestination;
+    dest->mgr.empty_output_buffer = &emptyOutputBuffer;
+    dest->mgr.term_destination = &terminateDestination;
+    cinfo->dest = reinterpret_cast<struct jpeg_destination_mgr*>(dest);
+}
+
+void JpegEncoder::setJpegCompressStruct(int width, int height, int quality,
+                                        jpeg_compress_struct* cinfo, bool isSingleChannel) {
+    cinfo->image_width = width;
+    cinfo->image_height = height;
+    if (isSingleChannel) {
+        cinfo->input_components = 1;
+        cinfo->in_color_space = JCS_GRAYSCALE;
+    } else {
+        cinfo->input_components = 3;
+        cinfo->in_color_space = JCS_YCbCr;
+    }
+    jpeg_set_defaults(cinfo);
+
+    jpeg_set_quality(cinfo, quality, TRUE);
+    jpeg_set_colorspace(cinfo, isSingleChannel ? JCS_GRAYSCALE : JCS_YCbCr);
+    cinfo->raw_data_in = TRUE;
+    cinfo->dct_method = JDCT_IFAST;
+
+    if (!isSingleChannel) {
+        // Configure sampling factors. The sampling factor is JPEG subsampling 420 because the
+        // source format is YUV420.
+        cinfo->comp_info[0].h_samp_factor = 2;
+        cinfo->comp_info[0].v_samp_factor = 2;
+        cinfo->comp_info[1].h_samp_factor = 1;
+        cinfo->comp_info[1].v_samp_factor = 1;
+        cinfo->comp_info[2].h_samp_factor = 1;
+        cinfo->comp_info[2].v_samp_factor = 1;
+    }
+}
+
+bool JpegEncoder::compress(
+        jpeg_compress_struct* cinfo, const uint8_t* image, bool isSingleChannel) {
+    if (isSingleChannel) {
+        return compressSingleChannel(cinfo, image);
+    }
+    return compressYuv(cinfo, image);
+}
+
+bool JpegEncoder::compressYuv(jpeg_compress_struct* cinfo, const uint8_t* yuv) {
+    JSAMPROW y[kCompressBatchSize];
+    JSAMPROW cb[kCompressBatchSize / 2];
+    JSAMPROW cr[kCompressBatchSize / 2];
+    JSAMPARRAY planes[3] {y, cb, cr};
+
+    size_t y_plane_size = cinfo->image_width * cinfo->image_height;
+    size_t uv_plane_size = y_plane_size / 4;
+    uint8_t* y_plane = const_cast<uint8_t*>(yuv);
+    uint8_t* u_plane = const_cast<uint8_t*>(yuv + y_plane_size);
+    uint8_t* v_plane = const_cast<uint8_t*>(yuv + y_plane_size + uv_plane_size);
+    std::unique_ptr<uint8_t[]> empty(new uint8_t[cinfo->image_width]);
+    memset(empty.get(), 0, cinfo->image_width);
+
+    while (cinfo->next_scanline < cinfo->image_height) {
+        for (int i = 0; i < kCompressBatchSize; ++i) {
+            size_t scanline = cinfo->next_scanline + i;
+            if (scanline < cinfo->image_height) {
+                y[i] = y_plane + scanline * cinfo->image_width;
+            } else {
+                y[i] = empty.get();
+            }
+        }
+        // cb, cr only have half scanlines
+        for (int i = 0; i < kCompressBatchSize / 2; ++i) {
+            size_t scanline = cinfo->next_scanline / 2 + i;
+            if (scanline < cinfo->image_height / 2) {
+                int offset = scanline * (cinfo->image_width / 2);
+                cb[i] = u_plane + offset;
+                cr[i] = v_plane + offset;
+            } else {
+                cb[i] = cr[i] = empty.get();
+            }
+        }
+
+        int processed = jpeg_write_raw_data(cinfo, planes, kCompressBatchSize);
+        if (processed != kCompressBatchSize) {
+            ALOGE("Number of processed lines does not equal input lines.");
+            return false;
+        }
+    }
+    return true;
+}
+
+bool JpegEncoder::compressSingleChannel(jpeg_compress_struct* cinfo, const uint8_t* image) {
+    JSAMPROW y[kCompressBatchSize];
+    JSAMPARRAY planes[1] {y};
+
+    uint8_t* y_plane = const_cast<uint8_t*>(image);
+    std::unique_ptr<uint8_t[]> empty(new uint8_t[cinfo->image_width]);
+    memset(empty.get(), 0, cinfo->image_width);
+
+    while (cinfo->next_scanline < cinfo->image_height) {
+        for (int i = 0; i < kCompressBatchSize; ++i) {
+            size_t scanline = cinfo->next_scanline + i;
+            if (scanline < cinfo->image_height) {
+                y[i] = y_plane + scanline * cinfo->image_width;
+            } else {
+                y[i] = empty.get();
+            }
+        }
+        int processed = jpeg_write_raw_data(cinfo, planes, kCompressBatchSize);
+        if (processed != kCompressBatchSize / 2) {
+            ALOGE("Number of processed lines does not equal input lines.");
+            return false;
+        }
+    }
+    return true;
+}
+
+} // namespace android
diff --git a/libs/jpegrecoverymap/recoverymap.cpp b/libs/jpegrecoverymap/recoverymap.cpp
new file mode 100644
index 0000000000..c9ac92128f
--- /dev/null
+++ b/libs/jpegrecoverymap/recoverymap.cpp
@@ -0,0 +1,750 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/recoverymap.h>
+#include <jpegrecoverymap/jpegencoder.h>
+#include <jpegrecoverymap/jpegdecoder.h>
+#include <jpegrecoverymap/recoverymapmath.h>
+#include <jpegrecoverymap/recoverymaputils.h>
+
+#include <image_io/jpeg/jpeg_marker.h>
+#include <image_io/xml/xml_writer.h>
+#include <image_io/jpeg/jpeg_info.h>
+#include <image_io/jpeg/jpeg_scanner.h>
+#include <image_io/jpeg/jpeg_info_builder.h>
+#include <image_io/base/data_segment_data_source.h>
+#include <utils/Log.h>
+
+#include <memory>
+#include <sstream>
+#include <string>
+#include <cmath>
+
+using namespace std;
+using namespace photos_editing_formats::image_io;
+
+namespace android::recoverymap {
+
+#define JPEGR_CHECK(x)          \
+  {                             \
+    status_t status = (x);      \
+    if ((status) != NO_ERROR) { \
+      return status;            \
+    }                           \
+  }
+
+// The current JPEGR version that we encode to
+static const uint32_t kJpegrVersion = 1;
+
+// Map is quarter res / sixteenth size
+static const size_t kMapDimensionScaleFactor = 4;
+// JPEG compress quality (0 ~ 100) for recovery map
+static const int kMapCompressQuality = 85;
+
+// TODO: fill in st2086 metadata
+static const st2086_metadata kSt2086Metadata = {
+  {0.0f, 0.0f},
+  {0.0f, 0.0f},
+  {0.0f, 0.0f},
+  {0.0f, 0.0f},
+  0,
+  1.0f,
+};
+
+/*
+ * Helper function used for generating XMP metadata.
+ *
+ * @param prefix The prefix part of the name.
+ * @param suffix The suffix part of the name.
+ * @return A name of the form "prefix:suffix".
+ */
+string Name(const string &prefix, const string &suffix) {
+  std::stringstream ss;
+  ss << prefix << ":" << suffix;
+  return ss.str();
+}
+
+/*
+ * Helper function used for writing data to destination.
+ *
+ * @param destination destination of the data to be written.
+ * @param source source of data being written.
+ * @param length length of the data to be written.
+ * @param position cursor in desitination where the data is to be written.
+ * @return status of succeed or error code.
+ */
+status_t Write(jr_compressed_ptr destination, const void* source, size_t length, int &position) {
+  if (position + length > destination->maxLength) {
+    return ERROR_JPEGR_BUFFER_TOO_SMALL;
+  }
+
+  memcpy((uint8_t*)destination->data + sizeof(uint8_t) * position, source, length);
+  position += length;
+  return NO_ERROR;
+}
+
+/* Encode API-0 */
+status_t RecoveryMap::encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                                  jpegr_transfer_function hdr_tf,
+                                  jr_compressed_ptr dest,
+                                  int quality,
+                                  jr_exif_ptr /* exif */) {
+  if (uncompressed_p010_image == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  if (quality < 0 || quality > 100) {
+    return ERROR_JPEGR_INVALID_INPUT_TYPE;
+  }
+
+  jpegr_metadata metadata;
+  metadata.version = kJpegrVersion;
+  metadata.transferFunction = hdr_tf;
+  if (hdr_tf == JPEGR_TF_PQ) {
+    metadata.hdr10Metadata.st2086Metadata = kSt2086Metadata;
+  }
+
+  jpegr_uncompressed_struct uncompressed_yuv_420_image;
+  JPEGR_CHECK(toneMap(uncompressed_p010_image, &uncompressed_yuv_420_image));
+
+  jpegr_uncompressed_struct map;
+  JPEGR_CHECK(generateRecoveryMap(
+      &uncompressed_yuv_420_image, uncompressed_p010_image, &metadata, &map));
+  std::unique_ptr<uint8_t[]> map_data;
+  map_data.reset(reinterpret_cast<uint8_t*>(map.data));
+
+  jpegr_compressed_struct compressed_map;
+  compressed_map.maxLength = map.width * map.height;
+  unique_ptr<uint8_t[]> compressed_map_data = make_unique<uint8_t[]>(compressed_map.maxLength);
+  compressed_map.data = compressed_map_data.get();
+  JPEGR_CHECK(compressRecoveryMap(&map, &compressed_map));
+
+  JpegEncoder jpeg_encoder;
+  // TODO: determine ICC data based on color gamut information
+  if (!jpeg_encoder.compressImage(uncompressed_yuv_420_image.data,
+                                  uncompressed_yuv_420_image.width,
+                                  uncompressed_yuv_420_image.height, quality, nullptr, 0)) {
+    return ERROR_JPEGR_ENCODE_ERROR;
+  }
+  jpegr_compressed_struct jpeg;
+  jpeg.data = jpeg_encoder.getCompressedImagePtr();
+  jpeg.length = jpeg_encoder.getCompressedImageSize();
+
+  JPEGR_CHECK(appendRecoveryMap(&jpeg, &compressed_map, &metadata, dest));
+
+  return NO_ERROR;
+}
+
+/* Encode API-1 */
+status_t RecoveryMap::encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                                  jr_uncompressed_ptr uncompressed_yuv_420_image,
+                                  jpegr_transfer_function hdr_tf,
+                                  jr_compressed_ptr dest,
+                                  int quality,
+                                  jr_exif_ptr /* exif */) {
+  if (uncompressed_p010_image == nullptr
+   || uncompressed_yuv_420_image == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  if (quality < 0 || quality > 100) {
+    return ERROR_JPEGR_INVALID_INPUT_TYPE;
+  }
+
+  if (uncompressed_p010_image->width != uncompressed_yuv_420_image->width
+   || uncompressed_p010_image->height != uncompressed_yuv_420_image->height) {
+    return ERROR_JPEGR_RESOLUTION_MISMATCH;
+  }
+
+  jpegr_metadata metadata;
+  metadata.version = kJpegrVersion;
+  metadata.transferFunction = hdr_tf;
+  if (hdr_tf == JPEGR_TF_PQ) {
+    metadata.hdr10Metadata.st2086Metadata = kSt2086Metadata;
+  }
+
+  jpegr_uncompressed_struct map;
+  JPEGR_CHECK(generateRecoveryMap(
+      uncompressed_yuv_420_image, uncompressed_p010_image, &metadata, &map));
+  std::unique_ptr<uint8_t[]> map_data;
+  map_data.reset(reinterpret_cast<uint8_t*>(map.data));
+
+  jpegr_compressed_struct compressed_map;
+  compressed_map.maxLength = map.width * map.height;
+  unique_ptr<uint8_t[]> compressed_map_data = make_unique<uint8_t[]>(compressed_map.maxLength);
+  compressed_map.data = compressed_map_data.get();
+  JPEGR_CHECK(compressRecoveryMap(&map, &compressed_map));
+
+  JpegEncoder jpeg_encoder;
+  // TODO: determine ICC data based on color gamut information
+  if (!jpeg_encoder.compressImage(uncompressed_yuv_420_image->data,
+                                  uncompressed_yuv_420_image->width,
+                                  uncompressed_yuv_420_image->height, quality, nullptr, 0)) {
+    return ERROR_JPEGR_ENCODE_ERROR;
+  }
+  jpegr_compressed_struct jpeg;
+  jpeg.data = jpeg_encoder.getCompressedImagePtr();
+  jpeg.length = jpeg_encoder.getCompressedImageSize();
+
+  JPEGR_CHECK(appendRecoveryMap(&jpeg, &compressed_map, &metadata, dest));
+
+  return NO_ERROR;
+}
+
+/* Encode API-2 */
+status_t RecoveryMap::encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                                  jr_uncompressed_ptr uncompressed_yuv_420_image,
+                                  jr_compressed_ptr compressed_jpeg_image,
+                                  jpegr_transfer_function hdr_tf,
+                                  jr_compressed_ptr dest) {
+  if (uncompressed_p010_image == nullptr
+   || uncompressed_yuv_420_image == nullptr
+   || compressed_jpeg_image == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  if (uncompressed_p010_image->width != uncompressed_yuv_420_image->width
+   || uncompressed_p010_image->height != uncompressed_yuv_420_image->height) {
+    return ERROR_JPEGR_RESOLUTION_MISMATCH;
+  }
+
+  jpegr_metadata metadata;
+  metadata.version = kJpegrVersion;
+  metadata.transferFunction = hdr_tf;
+  if (hdr_tf == JPEGR_TF_PQ) {
+    metadata.hdr10Metadata.st2086Metadata = kSt2086Metadata;
+  }
+
+  jpegr_uncompressed_struct map;
+  JPEGR_CHECK(generateRecoveryMap(
+      uncompressed_yuv_420_image, uncompressed_p010_image, &metadata, &map));
+  std::unique_ptr<uint8_t[]> map_data;
+  map_data.reset(reinterpret_cast<uint8_t*>(map.data));
+
+  jpegr_compressed_struct compressed_map;
+  compressed_map.maxLength = map.width * map.height;
+  unique_ptr<uint8_t[]> compressed_map_data = make_unique<uint8_t[]>(compressed_map.maxLength);
+  compressed_map.data = compressed_map_data.get();
+  JPEGR_CHECK(compressRecoveryMap(&map, &compressed_map));
+
+  JPEGR_CHECK(appendRecoveryMap(compressed_jpeg_image, &compressed_map, &metadata, dest));
+
+  return NO_ERROR;
+}
+
+/* Encode API-3 */
+status_t RecoveryMap::encodeJPEGR(jr_uncompressed_ptr uncompressed_p010_image,
+                                  jr_compressed_ptr compressed_jpeg_image,
+                                  jpegr_transfer_function hdr_tf,
+                                  jr_compressed_ptr dest) {
+  if (uncompressed_p010_image == nullptr
+   || compressed_jpeg_image == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  JpegDecoder jpeg_decoder;
+  if (!jpeg_decoder.decompressImage(compressed_jpeg_image->data, compressed_jpeg_image->length)) {
+    return ERROR_JPEGR_DECODE_ERROR;
+  }
+  jpegr_uncompressed_struct uncompressed_yuv_420_image;
+  uncompressed_yuv_420_image.data = jpeg_decoder.getDecompressedImagePtr();
+  uncompressed_yuv_420_image.width = jpeg_decoder.getDecompressedImageWidth();
+  uncompressed_yuv_420_image.height = jpeg_decoder.getDecompressedImageHeight();
+  uncompressed_yuv_420_image.colorGamut = compressed_jpeg_image->colorGamut;
+
+  if (uncompressed_p010_image->width != uncompressed_yuv_420_image.width
+   || uncompressed_p010_image->height != uncompressed_yuv_420_image.height) {
+    return ERROR_JPEGR_RESOLUTION_MISMATCH;
+  }
+
+  jpegr_metadata metadata;
+  metadata.version = kJpegrVersion;
+  metadata.transferFunction = hdr_tf;
+  if (hdr_tf == JPEGR_TF_PQ) {
+    metadata.hdr10Metadata.st2086Metadata = kSt2086Metadata;
+  }
+
+  jpegr_uncompressed_struct map;
+  JPEGR_CHECK(generateRecoveryMap(
+      &uncompressed_yuv_420_image, uncompressed_p010_image, &metadata, &map));
+  std::unique_ptr<uint8_t[]> map_data;
+  map_data.reset(reinterpret_cast<uint8_t*>(map.data));
+
+  jpegr_compressed_struct compressed_map;
+  compressed_map.maxLength = map.width * map.height;
+  unique_ptr<uint8_t[]> compressed_map_data = make_unique<uint8_t[]>(compressed_map.maxLength);
+  compressed_map.data = compressed_map_data.get();
+  JPEGR_CHECK(compressRecoveryMap(&map, &compressed_map));
+
+  JPEGR_CHECK(appendRecoveryMap(compressed_jpeg_image, &compressed_map, &metadata, dest));
+
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::getJPEGRInfo(jr_compressed_ptr compressed_jpegr_image,
+                                   jr_info_ptr jpegr_info) {
+  if (compressed_jpegr_image == nullptr || jpegr_info == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  jpegr_compressed_struct primary_image, recovery_map;
+  JPEGR_CHECK(extractPrimaryImageAndRecoveryMap(compressed_jpegr_image,
+                                                &primary_image, &recovery_map));
+
+  JpegDecoder jpeg_decoder;
+  if (!jpeg_decoder.getCompressedImageParameters(primary_image.data, primary_image.length,
+                                                 &jpegr_info->width, &jpegr_info->height,
+                                                 jpegr_info->iccData, jpegr_info->exifData)) {
+    return ERROR_JPEGR_DECODE_ERROR;
+  }
+
+  return NO_ERROR;
+}
+
+/* Decode API */
+status_t RecoveryMap::decodeJPEGR(jr_compressed_ptr compressed_jpegr_image,
+                                  jr_uncompressed_ptr dest,
+                                  jr_exif_ptr exif,
+                                  bool request_sdr) {
+  if (compressed_jpegr_image == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  // TODO: fill EXIF data
+  (void) exif;
+
+  jpegr_compressed_struct compressed_map;
+  jpegr_metadata metadata;
+  JPEGR_CHECK(extractRecoveryMap(compressed_jpegr_image, &compressed_map));
+
+  jpegr_uncompressed_struct map;
+  JPEGR_CHECK(decompressRecoveryMap(&compressed_map, &map));
+
+  JpegDecoder jpeg_decoder;
+  if (!jpeg_decoder.decompressImage(compressed_jpegr_image->data, compressed_jpegr_image->length)) {
+    return ERROR_JPEGR_DECODE_ERROR;
+  }
+
+  jpegr_uncompressed_struct uncompressed_yuv_420_image;
+  uncompressed_yuv_420_image.data = jpeg_decoder.getDecompressedImagePtr();
+  uncompressed_yuv_420_image.width = jpeg_decoder.getDecompressedImageWidth();
+  uncompressed_yuv_420_image.height = jpeg_decoder.getDecompressedImageHeight();
+
+  if (!getMetadataFromXMP(static_cast<uint8_t*>(jpeg_decoder.getXMPPtr()),
+                                       jpeg_decoder.getXMPSize(), &metadata)) {
+    return ERROR_JPEGR_DECODE_ERROR;
+  }
+
+  if (request_sdr) {
+    memcpy(dest->data, uncompressed_yuv_420_image.data,
+            uncompressed_yuv_420_image.width*uncompressed_yuv_420_image.height *3 / 2);
+    dest->width = uncompressed_yuv_420_image.width;
+    dest->height = uncompressed_yuv_420_image.height;
+  } else {
+    JPEGR_CHECK(applyRecoveryMap(&uncompressed_yuv_420_image, &map, &metadata, dest));
+  }
+
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::decompressRecoveryMap(jr_compressed_ptr compressed_recovery_map,
+                                            jr_uncompressed_ptr dest) {
+  if (compressed_recovery_map == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  JpegDecoder jpeg_decoder;
+  if (!jpeg_decoder.decompressImage(compressed_recovery_map->data,
+                                    compressed_recovery_map->length)) {
+    return ERROR_JPEGR_DECODE_ERROR;
+  }
+
+  dest->data = jpeg_decoder.getDecompressedImagePtr();
+  dest->width = jpeg_decoder.getDecompressedImageWidth();
+  dest->height = jpeg_decoder.getDecompressedImageHeight();
+
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::compressRecoveryMap(jr_uncompressed_ptr uncompressed_recovery_map,
+                                          jr_compressed_ptr dest) {
+  if (uncompressed_recovery_map == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  // TODO: should we have ICC data for the map?
+  JpegEncoder jpeg_encoder;
+  if (!jpeg_encoder.compressImage(uncompressed_recovery_map->data,
+                                  uncompressed_recovery_map->width,
+                                  uncompressed_recovery_map->height,
+                                  kMapCompressQuality,
+                                  nullptr,
+                                  0,
+                                  true /* isSingleChannel */)) {
+    return ERROR_JPEGR_ENCODE_ERROR;
+  }
+
+  if (dest->maxLength < jpeg_encoder.getCompressedImageSize()) {
+    return ERROR_JPEGR_BUFFER_TOO_SMALL;
+  }
+
+  memcpy(dest->data, jpeg_encoder.getCompressedImagePtr(), jpeg_encoder.getCompressedImageSize());
+  dest->length = jpeg_encoder.getCompressedImageSize();
+  dest->colorGamut = JPEGR_COLORGAMUT_UNSPECIFIED;
+
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::generateRecoveryMap(jr_uncompressed_ptr uncompressed_yuv_420_image,
+                                          jr_uncompressed_ptr uncompressed_p010_image,
+                                          jr_metadata_ptr metadata,
+                                          jr_uncompressed_ptr dest) {
+  if (uncompressed_yuv_420_image == nullptr
+   || uncompressed_p010_image == nullptr
+   || metadata == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  if (uncompressed_yuv_420_image->width != uncompressed_p010_image->width
+   || uncompressed_yuv_420_image->height != uncompressed_p010_image->height) {
+    return ERROR_JPEGR_RESOLUTION_MISMATCH;
+  }
+
+  if (uncompressed_yuv_420_image->colorGamut == JPEGR_COLORGAMUT_UNSPECIFIED
+   || uncompressed_p010_image->colorGamut == JPEGR_COLORGAMUT_UNSPECIFIED) {
+    return ERROR_JPEGR_INVALID_COLORGAMUT;
+  }
+
+  size_t image_width = uncompressed_yuv_420_image->width;
+  size_t image_height = uncompressed_yuv_420_image->height;
+  size_t map_width = image_width / kMapDimensionScaleFactor;
+  size_t map_height = image_height / kMapDimensionScaleFactor;
+
+  dest->width = map_width;
+  dest->height = map_height;
+  dest->colorGamut = JPEGR_COLORGAMUT_UNSPECIFIED;
+  dest->data = new uint8_t[map_width * map_height];
+  std::unique_ptr<uint8_t[]> map_data;
+  map_data.reset(reinterpret_cast<uint8_t*>(dest->data));
+
+  ColorTransformFn hdrInvOetf = nullptr;
+  float hdr_white_nits = 0.0f;
+  switch (metadata->transferFunction) {
+    case JPEGR_TF_HLG:
+      hdrInvOetf = hlgInvOetf;
+      hdr_white_nits = kHlgMaxNits;
+      break;
+    case JPEGR_TF_PQ:
+      hdrInvOetf = pqInvOetf;
+      hdr_white_nits = kPqMaxNits;
+      break;
+  }
+
+  ColorTransformFn hdrGamutConversionFn = getHdrConversionFn(
+      uncompressed_yuv_420_image->colorGamut, uncompressed_p010_image->colorGamut);
+
+  ColorCalculationFn luminanceFn = nullptr;
+  switch (uncompressed_yuv_420_image->colorGamut) {
+    case JPEGR_COLORGAMUT_BT709:
+      luminanceFn = srgbLuminance;
+      break;
+    case JPEGR_COLORGAMUT_P3:
+      luminanceFn = p3Luminance;
+      break;
+    case JPEGR_COLORGAMUT_BT2100:
+      luminanceFn = bt2100Luminance;
+      break;
+    case JPEGR_COLORGAMUT_UNSPECIFIED:
+      // Should be impossible to hit after input validation.
+      return ERROR_JPEGR_INVALID_COLORGAMUT;
+  }
+
+  float hdr_y_nits_max = 0.0f;
+  double hdr_y_nits_avg = 0.0f;
+  for (size_t y = 0; y < image_height; ++y) {
+    for (size_t x = 0; x < image_width; ++x) {
+      Color hdr_yuv_gamma = getP010Pixel(uncompressed_p010_image, x, y);
+      Color hdr_rgb_gamma = bt2100YuvToRgb(hdr_yuv_gamma);
+      Color hdr_rgb = hdrInvOetf(hdr_rgb_gamma);
+      hdr_rgb = hdrGamutConversionFn(hdr_rgb);
+      float hdr_y_nits = luminanceFn(hdr_rgb) * hdr_white_nits;
+
+      hdr_y_nits_avg += hdr_y_nits;
+      if (hdr_y_nits > hdr_y_nits_max) {
+        hdr_y_nits_max = hdr_y_nits;
+      }
+    }
+  }
+  hdr_y_nits_avg /= image_width * image_height;
+
+  metadata->rangeScalingFactor = hdr_y_nits_max / kSdrWhiteNits;
+  if (metadata->transferFunction == JPEGR_TF_PQ) {
+    metadata->hdr10Metadata.maxFALL = hdr_y_nits_avg;
+    metadata->hdr10Metadata.maxCLL = hdr_y_nits_max;
+  }
+
+  for (size_t y = 0; y < map_height; ++y) {
+    for (size_t x = 0; x < map_width; ++x) {
+      Color sdr_yuv_gamma = sampleYuv420(uncompressed_yuv_420_image,
+                                         kMapDimensionScaleFactor, x, y);
+      Color sdr_rgb_gamma = srgbYuvToRgb(sdr_yuv_gamma);
+      Color sdr_rgb = srgbInvOetf(sdr_rgb_gamma);
+      float sdr_y_nits = luminanceFn(sdr_rgb) * kSdrWhiteNits;
+
+      Color hdr_yuv_gamma = sampleP010(uncompressed_p010_image, kMapDimensionScaleFactor, x, y);
+      Color hdr_rgb_gamma = bt2100YuvToRgb(hdr_yuv_gamma);
+      Color hdr_rgb = hdrInvOetf(hdr_rgb_gamma);
+      hdr_rgb = hdrGamutConversionFn(hdr_rgb);
+      float hdr_y_nits = luminanceFn(hdr_rgb) * hdr_white_nits;
+
+      size_t pixel_idx =  x + y * map_width;
+      reinterpret_cast<uint8_t*>(dest->data)[pixel_idx] =
+          encodeRecovery(sdr_y_nits, hdr_y_nits, metadata->rangeScalingFactor);
+    }
+  }
+
+  map_data.release();
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::applyRecoveryMap(jr_uncompressed_ptr uncompressed_yuv_420_image,
+                                       jr_uncompressed_ptr uncompressed_recovery_map,
+                                       jr_metadata_ptr metadata,
+                                       jr_uncompressed_ptr dest) {
+  if (uncompressed_yuv_420_image == nullptr
+   || uncompressed_recovery_map == nullptr
+   || metadata == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  size_t width = uncompressed_yuv_420_image->width;
+  size_t height = uncompressed_yuv_420_image->height;
+
+  dest->width = width;
+  dest->height = height;
+  size_t pixel_count = width * height;
+
+  ColorTransformFn hdrOetf = nullptr;
+  switch (metadata->transferFunction) {
+    case JPEGR_TF_HLG:
+      hdrOetf = hlgOetf;
+      break;
+    case JPEGR_TF_PQ:
+      hdrOetf = pqOetf;
+      break;
+  }
+
+  for (size_t y = 0; y < height; ++y) {
+    for (size_t x = 0; x < width; ++x) {
+      Color yuv_gamma_sdr = getYuv420Pixel(uncompressed_yuv_420_image, x, y);
+      Color rgb_gamma_sdr = srgbYuvToRgb(yuv_gamma_sdr);
+      Color rgb_sdr = srgbInvOetf(rgb_gamma_sdr);
+
+      // TODO: determine map scaling factor based on actual map dims
+      float recovery = sampleMap(uncompressed_recovery_map, kMapDimensionScaleFactor, x, y);
+      Color rgb_hdr = applyRecovery(rgb_sdr, recovery, metadata->rangeScalingFactor);
+
+      Color rgb_gamma_hdr = hdrOetf(rgb_hdr);
+      uint32_t rgba1010102 = colorToRgba1010102(rgb_gamma_hdr);
+
+      size_t pixel_idx =  x + y * width;
+      reinterpret_cast<uint32_t*>(dest->data)[pixel_idx] = rgba1010102;
+    }
+  }
+  return NO_ERROR;
+}
+
+status_t RecoveryMap::extractPrimaryImageAndRecoveryMap(jr_compressed_ptr compressed_jpegr_image,
+                                               jr_compressed_ptr primary_image,
+                                               jr_compressed_ptr recovery_map) {
+  if (compressed_jpegr_image == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  MessageHandler msg_handler;
+  std::shared_ptr<DataSegment> seg =
+                  DataSegment::Create(DataRange(0, compressed_jpegr_image->length),
+                                      static_cast<const uint8_t*>(compressed_jpegr_image->data),
+                                      DataSegment::BufferDispositionPolicy::kDontDelete);
+  DataSegmentDataSource data_source(seg);
+  JpegInfoBuilder jpeg_info_builder;
+  jpeg_info_builder.SetImageLimit(2);
+  JpegScanner jpeg_scanner(&msg_handler);
+  jpeg_scanner.Run(&data_source, &jpeg_info_builder);
+  data_source.Reset();
+
+  if (jpeg_scanner.HasError()) {
+    return ERROR_JPEGR_INVALID_INPUT_TYPE;
+  }
+
+  const auto& jpeg_info = jpeg_info_builder.GetInfo();
+  const auto& image_ranges = jpeg_info.GetImageRanges();
+  if (image_ranges.empty()) {
+    return ERROR_JPEGR_INVALID_INPUT_TYPE;
+  }
+
+  if (image_ranges.size() != 2) {
+    // Must be 2 JPEG Images
+    return ERROR_JPEGR_INVALID_INPUT_TYPE;
+  }
+
+  if (primary_image != nullptr) {
+    primary_image->data = static_cast<uint8_t*>(compressed_jpegr_image->data) +
+                                               image_ranges[0].GetBegin();
+    primary_image->length = image_ranges[0].GetLength();
+  }
+
+  if (recovery_map != nullptr) {
+    recovery_map->data = static_cast<uint8_t*>(compressed_jpegr_image->data) +
+                                              image_ranges[1].GetBegin();
+    recovery_map->length = image_ranges[1].GetLength();
+  }
+
+  return NO_ERROR;
+}
+
+
+status_t RecoveryMap::extractRecoveryMap(jr_compressed_ptr compressed_jpegr_image,
+                                         jr_compressed_ptr dest) {
+  if (compressed_jpegr_image == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  return extractPrimaryImageAndRecoveryMap(compressed_jpegr_image, nullptr, dest);
+}
+
+status_t RecoveryMap::appendRecoveryMap(jr_compressed_ptr compressed_jpeg_image,
+                                        jr_compressed_ptr compressed_recovery_map,
+                                        jr_metadata_ptr metadata,
+                                        jr_compressed_ptr dest) {
+  if (compressed_jpeg_image == nullptr
+   || compressed_recovery_map == nullptr
+   || metadata == nullptr
+   || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  const string xmp = generateXmp(compressed_recovery_map->length, *metadata);
+  const string nameSpace = "http://ns.adobe.com/xap/1.0/\0";
+  const int nameSpaceLength = nameSpace.size() + 1;  // need to count the null terminator
+
+  // 2 bytes: APP1 sign (ff e1)
+  // 29 bytes: length of name space "http://ns.adobe.com/xap/1.0/\0",
+  // x bytes: length of xmp packet
+
+  const int length = 3 + nameSpaceLength + xmp.size();
+  const uint8_t lengthH = ((length >> 8) & 0xff);
+  const uint8_t lengthL = (length & 0xff);
+
+  int pos = 0;
+
+  // JPEG/R structure:
+  // SOI (ff d8)
+  // APP1 (ff e1)
+  // 2 bytes of length (2 + 29 + length of xmp packet)
+  // name space ("http://ns.adobe.com/xap/1.0/\0")
+  // xmp
+  // primary image (without the first two bytes, the SOI sign)
+  // secondary image (the recovery map)
+  JPEGR_CHECK(Write(dest, &photos_editing_formats::image_io::JpegMarker::kStart, 1, pos));
+  JPEGR_CHECK(Write(dest, &photos_editing_formats::image_io::JpegMarker::kSOI, 1, pos));
+  JPEGR_CHECK(Write(dest, &photos_editing_formats::image_io::JpegMarker::kStart, 1, pos));
+  JPEGR_CHECK(Write(dest, &photos_editing_formats::image_io::JpegMarker::kAPP1, 1, pos));
+  JPEGR_CHECK(Write(dest, &lengthH, 1, pos));
+  JPEGR_CHECK(Write(dest, &lengthL, 1, pos));
+  JPEGR_CHECK(Write(dest, (void*)nameSpace.c_str(), nameSpaceLength, pos));
+  JPEGR_CHECK(Write(dest, (void*)xmp.c_str(), xmp.size(), pos));
+  JPEGR_CHECK(Write(dest,
+      (uint8_t*)compressed_jpeg_image->data + 2, compressed_jpeg_image->length - 2, pos));
+  JPEGR_CHECK(Write(dest, compressed_recovery_map->data, compressed_recovery_map->length, pos));
+  dest->length = pos;
+
+  return NO_ERROR;
+}
+
+string RecoveryMap::generateXmp(int secondary_image_length, jpegr_metadata& metadata) {
+  const string kContainerPrefix = "GContainer";
+  const string kContainerUri    = "http://ns.google.com/photos/1.0/container/";
+  const string kItemPrefix      = "Item";
+  const string kRecoveryMap     = "RecoveryMap";
+  const string kDirectory       = "Directory";
+  const string kImageJpeg       = "image/jpeg";
+  const string kItem            = "Item";
+  const string kLength          = "Length";
+  const string kMime            = "Mime";
+  const string kPrimary         = "Primary";
+  const string kSemantic        = "Semantic";
+  const string kVersion         = "Version";
+
+  const string kConDir          = Name(kContainerPrefix, kDirectory);
+  const string kContainerItem   = Name(kContainerPrefix, kItem);
+  const string kItemLength      = Name(kItemPrefix, kLength);
+  const string kItemMime        = Name(kItemPrefix, kMime);
+  const string kItemSemantic    = Name(kItemPrefix, kSemantic);
+
+  const vector<string> kConDirSeq({kConDir, string("rdf:Seq")});
+  const vector<string> kLiItem({string("rdf:li"), kContainerItem});
+
+  std::stringstream ss;
+  photos_editing_formats::image_io::XmlWriter writer(ss);
+  writer.StartWritingElement("x:xmpmeta");
+  writer.WriteXmlns("x", "adobe:ns:meta/");
+  writer.WriteAttributeNameAndValue("x:xmptk", "Adobe XMP Core 5.1.2");
+  writer.StartWritingElement("rdf:RDF");
+  writer.WriteXmlns("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
+  writer.StartWritingElement("rdf:Description");
+  writer.WriteXmlns(kContainerPrefix, kContainerUri);
+  writer.WriteElementAndContent(Name(kContainerPrefix, kVersion), metadata.version);
+  writer.WriteElementAndContent(Name(kContainerPrefix, "rangeScalingFactor"),
+                                metadata.rangeScalingFactor);
+  // TODO: determine structure for hdr10 metadata
+  // TODO: write rest of metadata
+  writer.StartWritingElements(kConDirSeq);
+  size_t item_depth = writer.StartWritingElements(kLiItem);
+  writer.WriteAttributeNameAndValue(kItemSemantic, kPrimary);
+  writer.WriteAttributeNameAndValue(kItemMime, kImageJpeg);
+  writer.FinishWritingElementsToDepth(item_depth);
+  writer.StartWritingElements(kLiItem);
+  writer.WriteAttributeNameAndValue(kItemSemantic, kRecoveryMap);
+  writer.WriteAttributeNameAndValue(kItemMime, kImageJpeg);
+  writer.WriteAttributeNameAndValue(kItemLength, secondary_image_length);
+  writer.FinishWriting();
+
+  return ss.str();
+}
+
+status_t RecoveryMap::toneMap(jr_uncompressed_ptr uncompressed_p010_image,
+                              jr_uncompressed_ptr dest) {
+  if (uncompressed_p010_image == nullptr || dest == nullptr) {
+    return ERROR_JPEGR_INVALID_NULL_PTR;
+  }
+
+  dest->width = uncompressed_p010_image->width;
+  dest->height = uncompressed_p010_image->height;
+  unique_ptr<uint8_t[]> dest_data = make_unique<uint8_t[]>(dest->width * dest->height * 3 / 2);
+  dest->data = dest_data.get();
+
+  // TODO: Tone map algorighm here.
+
+  return NO_ERROR;
+}
+
+} // namespace android::recoverymap
diff --git a/libs/jpegrecoverymap/recoverymapmath.cpp b/libs/jpegrecoverymap/recoverymapmath.cpp
new file mode 100644
index 0000000000..e838f43b58
--- /dev/null
+++ b/libs/jpegrecoverymap/recoverymapmath.cpp
@@ -0,0 +1,437 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cmath>
+
+#include <jpegrecoverymap/recoverymapmath.h>
+
+namespace android::recoverymap {
+
+////////////////////////////////////////////////////////////////////////////////
+// sRGB transformations
+
+// See IEC 61966-2-1, Equation F.7.
+static const float kSrgbR = 0.2126f, kSrgbG = 0.7152f, kSrgbB = 0.0722f;
+
+float srgbLuminance(Color e) {
+  return kSrgbR * e.r + kSrgbG * e.g + kSrgbB * e.b;
+}
+
+// See ECMA TR/98, Section 7.
+static const float kSrgbRCr = 1.402f, kSrgbGCb = 0.34414f, kSrgbGCr = 0.71414f, kSrgbBCb = 1.772f;
+
+Color srgbYuvToRgb(Color e_gamma) {
+  return {{{ e_gamma.y + kSrgbRCr * e_gamma.v,
+             e_gamma.y - kSrgbGCb * e_gamma.u - kSrgbGCr * e_gamma.v,
+             e_gamma.y + kSrgbBCb * e_gamma.u }}};
+}
+
+// See ECMA TR/98, Section 7.
+static const float kSrgbYR = 0.299f, kSrgbYG = 0.587f, kSrgbYB = 0.114f;
+static const float kSrgbUR = -0.1687f, kSrgbUG = -0.3313f, kSrgbUB = 0.5f;
+static const float kSrgbVR = 0.5f, kSrgbVG = -0.4187f, kSrgbVB = -0.0813f;
+
+Color srgbRgbToYuv(Color e_gamma) {
+  return {{{ kSrgbYR * e_gamma.r + kSrgbYG * e_gamma.g + kSrgbYB * e_gamma.b,
+             kSrgbUR * e_gamma.r + kSrgbUG * e_gamma.g + kSrgbUB * e_gamma.b,
+             kSrgbVR * e_gamma.r + kSrgbVG * e_gamma.g + kSrgbVB * e_gamma.b }}};
+}
+
+// See IEC 61966-2-1, Equations F.5 and F.6.
+float srgbInvOetf(float e_gamma) {
+  if (e_gamma <= 0.04045f) {
+    return e_gamma / 12.92f;
+  } else {
+    return pow((e_gamma + 0.055f) / 1.055f, 2.4);
+  }
+}
+
+Color srgbInvOetf(Color e_gamma) {
+  return {{{ srgbInvOetf(e_gamma.r),
+             srgbInvOetf(e_gamma.g),
+             srgbInvOetf(e_gamma.b) }}};
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Display-P3 transformations
+
+// See SMPTE EG 432-1, Table 7-2.
+static const float kP3R = 0.20949f, kP3G = 0.72160f, kP3B = 0.06891f;
+
+float p3Luminance(Color e) {
+  return kP3R * e.r + kP3G * e.g + kP3B * e.b;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// BT.2100 transformations - according to ITU-R BT.2100-2
+
+// See ITU-R BT.2100-2, Table 5, HLG Reference OOTF
+static const float kBt2100R = 0.2627f, kBt2100G = 0.6780f, kBt2100B = 0.0593f;
+
+float bt2100Luminance(Color e) {
+  return kBt2100R * e.r + kBt2100G * e.g + kBt2100B * e.b;
+}
+
+// See ITU-R BT.2100-2, Table 6, Derivation of colour difference signals.
+static const float kBt2100Cb = 1.8814f, kBt2100Cr = 1.4746f;
+
+Color bt2100RgbToYuv(Color e_gamma) {
+  float y_gamma = bt2100Luminance(e_gamma);
+  return {{{ y_gamma,
+             (e_gamma.b - y_gamma) / kBt2100Cb,
+             (e_gamma.r - y_gamma) / kBt2100Cr }}};
+}
+
+// Derived by inversing bt2100RgbToYuv. The derivation for R and B are  pretty
+// straight forward; we just invert the formulas for U and V above. But deriving
+// the formula for G is a bit more complicated:
+//
+// Start with equation for luminance:
+//   Y = kBt2100R * R + kBt2100G * G + kBt2100B * B
+// Solve for G:
+//   G = (Y - kBt2100R * R - kBt2100B * B) / kBt2100B
+// Substitute equations for R and B in terms YUV:
+//   G = (Y - kBt2100R * (Y + kBt2100Cr * V) - kBt2100B * (Y + kBt2100Cb * U)) / kBt2100B
+// Simplify:
+//   G = Y * ((1 - kBt2100R - kBt2100B) / kBt2100G)
+//     + U * (kBt2100B * kBt2100Cb / kBt2100G)
+//     + V * (kBt2100R * kBt2100Cr / kBt2100G)
+//
+// We then get the following coeficients for calculating G from YUV:
+//
+// Coef for Y = (1 - kBt2100R - kBt2100B) / kBt2100G = 1
+// Coef for U = kBt2100B * kBt2100Cb / kBt2100G = kBt2100GCb = ~0.1645
+// Coef for V = kBt2100R * kBt2100Cr / kBt2100G = kBt2100GCr = ~0.5713
+
+static const float kBt2100GCb = kBt2100B * kBt2100Cb / kBt2100G;
+static const float kBt2100GCr = kBt2100R * kBt2100Cr / kBt2100G;
+
+Color bt2100YuvToRgb(Color e_gamma) {
+  return {{{ e_gamma.y + kBt2100Cr * e_gamma.v,
+             e_gamma.y - kBt2100GCb * e_gamma.u - kBt2100GCr * e_gamma.v,
+             e_gamma.y + kBt2100Cb * e_gamma.u }}};
+}
+
+// See ITU-R BT.2100-2, Table 5, HLG Reference OETF.
+static const float kHlgA = 0.17883277f, kHlgB = 0.28466892f, kHlgC = 0.55991073;
+
+float hlgOetf(float e) {
+  if (e <= 1.0f/12.0f) {
+    return sqrt(3.0f * e);
+  } else {
+    return kHlgA * log(12.0f * e - kHlgB) + kHlgC;
+  }
+}
+
+Color hlgOetf(Color e) {
+  return {{{ hlgOetf(e.r), hlgOetf(e.g), hlgOetf(e.b) }}};
+}
+
+// See ITU-R BT.2100-2, Table 5, HLG Reference EOTF.
+float hlgInvOetf(float e_gamma) {
+  if (e_gamma <= 0.5f) {
+    return pow(e_gamma, 2.0f) / 3.0f;
+  } else {
+    return (exp((e_gamma - kHlgC) / kHlgA) + kHlgB) / 12.0f;
+  }
+}
+
+Color hlgInvOetf(Color e_gamma) {
+  return {{{ hlgInvOetf(e_gamma.r),
+             hlgInvOetf(e_gamma.g),
+             hlgInvOetf(e_gamma.b) }}};
+}
+
+// See ITU-R BT.2100-2, Table 4, Reference PQ OETF.
+static const float kPqM1 = 2610.0f / 16384.0f, kPqM2 = 2523.0f / 4096.0f * 128.0f;
+static const float kPqC1 = 3424.0f / 4096.0f, kPqC2 = 2413.0f / 4096.0f * 32.0f,
+                   kPqC3 = 2392.0f / 4096.0f * 32.0f;
+
+float pqOetf(float e) {
+  if (e <= 0.0f) return 0.0f;
+  return pow((kPqC1 + kPqC2 * pow(e, kPqM1)) / (1 + kPqC3 * pow(e, kPqM1)),
+             kPqM2);
+}
+
+Color pqOetf(Color e) {
+  return {{{ pqOetf(e.r), pqOetf(e.g), pqOetf(e.b) }}};
+}
+
+// Derived from the inverse of the Reference PQ OETF.
+static const float kPqInvA = 128.0f, kPqInvB = 107.0f, kPqInvC = 2413.0f, kPqInvD = 2392.0f,
+                   kPqInvE = 6.2773946361f, kPqInvF = 0.0126833f;
+
+float pqInvOetf(float e_gamma) {
+  // This equation blows up if e_gamma is 0.0, and checking on <= 0.0 doesn't
+  // always catch 0.0. So, check on 0.0001, since anything this small will
+  // effectively be crushed to zero anyways.
+  if (e_gamma <= 0.0001f) return 0.0f;
+  return pow((kPqInvA * pow(e_gamma, kPqInvF) - kPqInvB)
+           / (kPqInvC - kPqInvD * pow(e_gamma, kPqInvF)),
+             kPqInvE);
+}
+
+Color pqInvOetf(Color e_gamma) {
+  return {{{ pqInvOetf(e_gamma.r),
+             pqInvOetf(e_gamma.g),
+             pqInvOetf(e_gamma.b) }}};
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Color conversions
+
+Color bt709ToP3(Color e) {
+ return {{{ 0.82254f * e.r + 0.17755f * e.g + 0.00006f * e.b,
+            0.03312f * e.r + 0.96684f * e.g + -0.00001f * e.b,
+            0.01706f * e.r + 0.07240f * e.g + 0.91049f * e.b }}};
+}
+
+Color bt709ToBt2100(Color e) {
+ return {{{ 0.62740f * e.r + 0.32930f * e.g + 0.04332f * e.b,
+            0.06904f * e.r + 0.91958f * e.g + 0.01138f * e.b,
+            0.01636f * e.r + 0.08799f * e.g + 0.89555f * e.b }}};
+}
+
+Color p3ToBt709(Color e) {
+ return {{{ 1.22482f * e.r + -0.22490f * e.g + -0.00007f * e.b,
+            -0.04196f * e.r + 1.04199f * e.g + 0.00001f * e.b,
+            -0.01961f * e.r + -0.07865f * e.g + 1.09831f * e.b }}};
+}
+
+Color p3ToBt2100(Color e) {
+ return {{{ 0.75378f * e.r + 0.19862f * e.g + 0.04754f * e.b,
+            0.04576f * e.r + 0.94177f * e.g + 0.01250f * e.b,
+            -0.00121f * e.r + 0.01757f * e.g + 0.98359f * e.b }}};
+}
+
+Color bt2100ToBt709(Color e) {
+ return {{{ 1.66045f * e.r + -0.58764f * e.g + -0.07286f * e.b,
+            -0.12445f * e.r + 1.13282f * e.g + -0.00837f * e.b,
+            -0.01811f * e.r + -0.10057f * e.g + 1.11878f * e.b }}};
+}
+
+Color bt2100ToP3(Color e) {
+ return {{{ 1.34369f * e.r + -0.28223f * e.g + -0.06135f * e.b,
+            -0.06533f * e.r + 1.07580f * e.g + -0.01051f * e.b,
+            0.00283f * e.r + -0.01957f * e.g + 1.01679f * e.b
+ }}};
+}
+
+// TODO: confirm we always want to convert like this before calculating
+// luminance.
+ColorTransformFn getHdrConversionFn(jpegr_color_gamut sdr_gamut, jpegr_color_gamut hdr_gamut) {
+  switch (sdr_gamut) {
+    case JPEGR_COLORGAMUT_BT709:
+      switch (hdr_gamut) {
+        case JPEGR_COLORGAMUT_BT709:
+          return identityConversion;
+        case JPEGR_COLORGAMUT_P3:
+          return p3ToBt709;
+        case JPEGR_COLORGAMUT_BT2100:
+          return bt2100ToBt709;
+        case JPEGR_COLORGAMUT_UNSPECIFIED:
+          return nullptr;
+      }
+      break;
+    case JPEGR_COLORGAMUT_P3:
+      switch (hdr_gamut) {
+        case JPEGR_COLORGAMUT_BT709:
+          return bt709ToP3;
+        case JPEGR_COLORGAMUT_P3:
+          return identityConversion;
+        case JPEGR_COLORGAMUT_BT2100:
+          return bt2100ToP3;
+        case JPEGR_COLORGAMUT_UNSPECIFIED:
+          return nullptr;
+      }
+      break;
+    case JPEGR_COLORGAMUT_BT2100:
+      switch (hdr_gamut) {
+        case JPEGR_COLORGAMUT_BT709:
+          return bt709ToBt2100;
+        case JPEGR_COLORGAMUT_P3:
+          return p3ToBt2100;
+        case JPEGR_COLORGAMUT_BT2100:
+          return identityConversion;
+        case JPEGR_COLORGAMUT_UNSPECIFIED:
+          return nullptr;
+      }
+      break;
+    case JPEGR_COLORGAMUT_UNSPECIFIED:
+      return nullptr;
+  }
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Recovery map calculations
+
+uint8_t encodeRecovery(float y_sdr, float y_hdr, float hdr_ratio) {
+  float gain = 1.0f;
+  if (y_sdr > 0.0f) {
+    gain = y_hdr / y_sdr;
+  }
+
+  if (gain < (1.0f / hdr_ratio)) gain = 1.0f / hdr_ratio;
+  if (gain > hdr_ratio) gain = hdr_ratio;
+
+  return static_cast<uint8_t>(log2(gain) / log2(hdr_ratio) * 127.5f  + 127.5f);
+}
+
+static float applyRecovery(float e, float recovery, float hdr_ratio) {
+  if (e <= 0.0f) return 0.0f;
+  return exp2(log2(e) + recovery * log2(hdr_ratio));
+}
+
+Color applyRecovery(Color e, float recovery, float hdr_ratio) {
+  return {{{ applyRecovery(e.r, recovery, hdr_ratio),
+             applyRecovery(e.g, recovery, hdr_ratio),
+             applyRecovery(e.b, recovery, hdr_ratio) }}};
+}
+
+Color getYuv420Pixel(jr_uncompressed_ptr image, size_t x, size_t y) {
+  size_t pixel_count = image->width * image->height;
+
+  size_t pixel_y_idx = x + y * image->width;
+  size_t pixel_uv_idx = x / 2 + (y / 2) * (image->width / 2);
+
+  uint8_t y_uint = reinterpret_cast<uint8_t*>(image->data)[pixel_y_idx];
+  uint8_t u_uint = reinterpret_cast<uint8_t*>(image->data)[pixel_count + pixel_uv_idx];
+  uint8_t v_uint = reinterpret_cast<uint8_t*>(image->data)[pixel_count * 5 / 4 + pixel_uv_idx];
+
+  // 128 bias for UV given we are using jpeglib; see:
+  // https://github.com/kornelski/libjpeg/blob/master/structure.doc
+  return {{{ static_cast<float>(y_uint) / 255.0f,
+             (static_cast<float>(u_uint) - 128.0f) / 255.0f,
+             (static_cast<float>(v_uint) - 128.0f) / 255.0f }}};
+}
+
+Color getP010Pixel(jr_uncompressed_ptr image, size_t x, size_t y) {
+  size_t pixel_count = image->width * image->height;
+
+  size_t pixel_y_idx = x + y * image->width;
+  size_t pixel_uv_idx = x / 2 + (y / 2) * (image->width / 2);
+
+  uint16_t y_uint = reinterpret_cast<uint16_t*>(image->data)[pixel_y_idx]
+                  >> 6;
+  uint16_t u_uint = reinterpret_cast<uint16_t*>(image->data)[pixel_count + pixel_uv_idx * 2]
+                  >> 6;
+  uint16_t v_uint = reinterpret_cast<uint16_t*>(image->data)[pixel_count + pixel_uv_idx * 2 + 1]
+                  >> 6;
+
+  // Conversions include taking narrow-range into account.
+  return {{{ static_cast<float>(y_uint) / 940.0f,
+             (static_cast<float>(u_uint) - 64.0f) / 940.0f - 0.5f,
+             (static_cast<float>(v_uint) - 64.0f) / 940.0f - 0.5f }}};
+}
+
+typedef Color (*getPixelFn)(jr_uncompressed_ptr, size_t, size_t);
+
+static Color samplePixels(jr_uncompressed_ptr image, size_t map_scale_factor, size_t x, size_t y,
+                          getPixelFn get_pixel_fn) {
+  Color e = {{{ 0.0f, 0.0f, 0.0f }}};
+  for (size_t dy = 0; dy < map_scale_factor; ++dy) {
+    for (size_t dx = 0; dx < map_scale_factor; ++dx) {
+      e += get_pixel_fn(image, x * map_scale_factor + dx, y * map_scale_factor + dy);
+    }
+  }
+
+  return e / static_cast<float>(map_scale_factor * map_scale_factor);
+}
+
+Color sampleYuv420(jr_uncompressed_ptr image, size_t map_scale_factor, size_t x, size_t y) {
+  return samplePixels(image, map_scale_factor, x, y, getYuv420Pixel);
+}
+
+Color sampleP010(jr_uncompressed_ptr image, size_t map_scale_factor, size_t x, size_t y) {
+  return samplePixels(image, map_scale_factor, x, y, getP010Pixel);
+}
+
+// TODO: do we need something more clever for filtering either the map or images
+// to generate the map?
+
+static size_t clamp(const size_t& val, const size_t& low, const size_t& high) {
+  return val < low ? low : (high < val ? high : val);
+}
+
+static float mapUintToFloat(uint8_t map_uint) {
+  return (static_cast<float>(map_uint) - 127.5f) / 127.5f;
+}
+
+static float pythDistance(float x_diff, float y_diff) {
+  return sqrt(pow(x_diff, 2.0f) + pow(y_diff, 2.0f));
+}
+
+float sampleMap(jr_uncompressed_ptr map, size_t map_scale_factor, size_t x, size_t y) {
+  float x_map = static_cast<float>(x) / static_cast<float>(map_scale_factor);
+  float y_map = static_cast<float>(y) / static_cast<float>(map_scale_factor);
+
+  size_t x_lower = static_cast<size_t>(floor(x_map));
+  size_t x_upper = x_lower + 1;
+  size_t y_lower = static_cast<size_t>(floor(y_map));
+  size_t y_upper = y_lower + 1;
+
+  x_lower = clamp(x_lower, 0, map->width - 1);
+  x_upper = clamp(x_upper, 0, map->width - 1);
+  y_lower = clamp(y_lower, 0, map->height - 1);
+  y_upper = clamp(y_upper, 0, map->height - 1);
+
+  // Use Shepard's method for inverse distance weighting. For more information:
+  // en.wikipedia.org/wiki/Inverse_distance_weighting#Shepard's_method
+
+  float e1 = mapUintToFloat(reinterpret_cast<uint8_t*>(map->data)[x_lower + y_lower * map->width]);
+  float e1_dist = pythDistance(x_map - static_cast<float>(x_lower),
+                               y_map - static_cast<float>(y_lower));
+  if (e1_dist == 0.0f) return e1;
+
+  float e2 = mapUintToFloat(reinterpret_cast<uint8_t*>(map->data)[x_lower + y_upper * map->width]);
+  float e2_dist = pythDistance(x_map - static_cast<float>(x_lower),
+                               y_map - static_cast<float>(y_upper));
+  if (e2_dist == 0.0f) return e2;
+
+  float e3 = mapUintToFloat(reinterpret_cast<uint8_t*>(map->data)[x_upper + y_lower * map->width]);
+  float e3_dist = pythDistance(x_map - static_cast<float>(x_upper),
+                               y_map - static_cast<float>(y_lower));
+  if (e3_dist == 0.0f) return e3;
+
+  float e4 = mapUintToFloat(reinterpret_cast<uint8_t*>(map->data)[x_upper + y_upper * map->width]);
+  float e4_dist = pythDistance(x_map - static_cast<float>(x_upper),
+                               y_map - static_cast<float>(y_upper));
+  if (e4_dist == 0.0f) return e2;
+
+  float e1_weight = 1.0f / e1_dist;
+  float e2_weight = 1.0f / e2_dist;
+  float e3_weight = 1.0f / e3_dist;
+  float e4_weight = 1.0f / e4_dist;
+  float total_weight = e1_weight + e2_weight + e3_weight + e4_weight;
+
+  return e1 * (e1_weight / total_weight)
+       + e2 * (e2_weight / total_weight)
+       + e3 * (e3_weight / total_weight)
+       + e4 * (e4_weight / total_weight);
+}
+
+uint32_t colorToRgba1010102(Color e_gamma) {
+  return (0x3ff & static_cast<uint32_t>(e_gamma.r * 1023.0f))
+       | ((0x3ff & static_cast<uint32_t>(e_gamma.g * 1023.0f)) << 10)
+       | ((0x3ff & static_cast<uint32_t>(e_gamma.b * 1023.0f)) << 20)
+       | (0x3 << 30);  // Set alpha to 1.0
+}
+
+} // namespace android::recoverymap
diff --git a/libs/jpegrecoverymap/recoverymaputils.cpp b/libs/jpegrecoverymap/recoverymaputils.cpp
new file mode 100644
index 0000000000..fe46cbad91
--- /dev/null
+++ b/libs/jpegrecoverymap/recoverymaputils.cpp
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/recoverymaputils.h>
+#include <jpegrecoverymap/recoverymap.h>
+#include <image_io/xml/xml_reader.h>
+#include <image_io/base/message_handler.h>
+#include <image_io/xml/xml_element_rules.h>
+#include <image_io/xml/xml_handler.h>
+#include <image_io/xml/xml_rule.h>
+
+#include <string>
+#include <sstream>
+
+using namespace photos_editing_formats::image_io;
+using namespace std;
+
+namespace android::recoverymap {
+
+
+// Extremely simple XML Handler - just searches for interesting elements
+class XMPXmlHandler : public XmlHandler {
+public:
+
+    XMPXmlHandler() : XmlHandler() {
+        rangeScalingFactorState = NotStrarted;
+    }
+
+    enum ParseState {
+        NotStrarted,
+        Started,
+        Done
+    };
+
+    virtual DataMatchResult StartElement(const XmlTokenContext& context) {
+        string val;
+        if (context.BuildTokenValue(&val)) {
+            if (!val.compare(rangeScalingFactorName)) {
+                rangeScalingFactorState = Started;
+            } else {
+                if (rangeScalingFactorState != Done) {
+                    rangeScalingFactorState = NotStrarted;
+                }
+            }
+        }
+        return context.GetResult();
+    }
+
+    virtual DataMatchResult FinishElement(const XmlTokenContext& context) {
+        if (rangeScalingFactorState == Started) {
+            rangeScalingFactorState = Done;
+        }
+        return context.GetResult();
+    }
+
+    virtual DataMatchResult ElementContent(const XmlTokenContext& context) {
+        string val;
+        if (rangeScalingFactorState == Started) {
+            if (context.BuildTokenValue(&val)) {
+                rangeScalingFactorStr.assign(val);
+            }
+        }
+        return context.GetResult();
+    }
+
+    bool getRangeScalingFactor(float* scaling_factor) {
+        if (rangeScalingFactorState == Done) {
+            stringstream ss(rangeScalingFactorStr);
+            float val;
+            if (ss >> val) {
+                *scaling_factor = val;
+                return true;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    bool getTransferFunction(jpegr_transfer_function* transfer_function) {
+        *transfer_function = JPEGR_TF_HLG;
+        return true;
+    }
+
+private:
+    static const string rangeScalingFactorName;
+    string              rangeScalingFactorStr;
+    ParseState          rangeScalingFactorState;
+};
+
+const string XMPXmlHandler::rangeScalingFactorName = "GContainer:rangeScalingFactor";
+
+
+bool getMetadataFromXMP(uint8_t* xmp_data, size_t xmp_size, jpegr_metadata* metadata) {
+    string nameSpace = "http://ns.adobe.com/xap/1.0/\0";
+
+    if (xmp_size < nameSpace.size()+2) {
+        // Data too short
+        return false;
+    }
+
+    if (strncmp(reinterpret_cast<char*>(xmp_data), nameSpace.c_str(), nameSpace.size())) {
+        // Not correct namespace
+        return false;
+    }
+
+    // Position the pointers to the start of XMP XML portion
+    xmp_data += nameSpace.size()+1;
+    xmp_size -= nameSpace.size()+1;
+    XMPXmlHandler handler;
+
+    // We need to remove tail data until the closing tag. Otherwise parser will throw an error.
+    while(xmp_data[xmp_size-1]!='>' && xmp_size > 1) {
+        xmp_size--;
+    }
+
+    string str(reinterpret_cast<const char*>(xmp_data), xmp_size);
+    MessageHandler msg_handler;
+    unique_ptr<XmlRule> rule(new XmlElementRule);
+    XmlReader reader(&handler, &msg_handler);
+    reader.StartParse(std::move(rule));
+    reader.Parse(str);
+    reader.FinishParse();
+    if (reader.HasErrors()) {
+        // Parse error
+        return false;
+    }
+
+    if (!handler.getRangeScalingFactor(&metadata->rangeScalingFactor)) {
+        return false;
+    }
+
+    if (!handler.getTransferFunction(&metadata->transferFunction)) {
+        return false;
+    }
+    return true;
+}
+
+} // namespace android::recoverymap
\ No newline at end of file
diff --git a/libs/jpegrecoverymap/tests/Android.bp b/libs/jpegrecoverymap/tests/Android.bp
new file mode 100644
index 0000000000..b509478e73
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/Android.bp
@@ -0,0 +1,75 @@
+// Copyright 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_native_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_native_license"],
+}
+
+cc_test {
+    name: "libjpegrecoverymap_test",
+    test_suites: ["device-tests"],
+    srcs: [
+        "recoverymap_test.cpp",
+        "recoverymapmath_test.cpp",
+    ],
+    shared_libs: [
+        "libjpeg",
+        "liblog",
+    ],
+    static_libs: [
+        "libimage_io",
+        "libgmock",
+        "libgtest",
+        "libjpegdecoder",
+        "libjpegencoder",
+        "libjpegrecoverymap",
+    ],
+}
+
+cc_test {
+    name: "libjpegencoder_test",
+    test_suites: ["device-tests"],
+    srcs: [
+        "jpegencoder_test.cpp",
+    ],
+    shared_libs: [
+        "libjpeg",
+        "liblog",
+    ],
+    static_libs: [
+        "libjpegencoder",
+        "libgtest",
+    ],
+}
+
+cc_test {
+    name: "libjpegdecoder_test",
+    test_suites: ["device-tests"],
+    srcs: [
+        "jpegdecoder_test.cpp",
+    ],
+    shared_libs: [
+        "libjpeg",
+        "liblog",
+    ],
+    static_libs: [
+        "libjpegdecoder",
+        "libgtest",
+    ],
+}
diff --git a/libs/jpegrecoverymap/tests/data/jpeg_image.jpg b/libs/jpegrecoverymap/tests/data/jpeg_image.jpg
new file mode 100644
index 0000000000..e2857425e7
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/data/jpeg_image.jpg
diff --git a/libs/jpegrecoverymap/tests/data/minnie-318x240.yu12 b/libs/jpegrecoverymap/tests/data/minnie-318x240.yu12
new file mode 100644
index 0000000000..7b2fc71bc0
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/data/minnie-318x240.yu12
@@ -0,0 +1,1930 @@
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\ No newline at end of file
diff --git a/libs/jpegrecoverymap/tests/data/raw_p010_image.p010 b/libs/jpegrecoverymap/tests/data/raw_p010_image.p010
new file mode 100644
index 0000000000..01673bf6d5
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/data/raw_p010_image.p010
diff --git a/libs/jpegrecoverymap/tests/jpegdecoder_test.cpp b/libs/jpegrecoverymap/tests/jpegdecoder_test.cpp
new file mode 100644
index 0000000000..8e013517fb
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/jpegdecoder_test.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/jpegdecoder.h>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include <fcntl.h>
+
+namespace android::recoverymap {
+
+#define YUV_IMAGE "/sdcard/Documents/minnie-320x240-yuv.jpg"
+#define YUV_IMAGE_SIZE 20193
+#define GREY_IMAGE "/sdcard/Documents/minnie-320x240-y.jpg"
+#define GREY_IMAGE_SIZE 20193
+
+class JpegDecoderTest : public testing::Test {
+public:
+    struct Image {
+        std::unique_ptr<uint8_t[]> buffer;
+        size_t size;
+    };
+    JpegDecoderTest();
+    ~JpegDecoderTest();
+protected:
+    virtual void SetUp();
+    virtual void TearDown();
+
+    Image mYuvImage, mGreyImage;
+};
+
+JpegDecoderTest::JpegDecoderTest() {}
+
+JpegDecoderTest::~JpegDecoderTest() {}
+
+static size_t getFileSize(int fd) {
+    struct stat st;
+    if (fstat(fd, &st) < 0) {
+        ALOGW("%s : fstat failed", __func__);
+        return 0;
+    }
+    return st.st_size; // bytes
+}
+
+static bool loadFile(const char filename[], JpegDecoderTest::Image* result) {
+    int fd = open(filename, O_CLOEXEC);
+    if (fd < 0) {
+        return false;
+    }
+    int length = getFileSize(fd);
+    if (length == 0) {
+        close(fd);
+        return false;
+    }
+    result->buffer.reset(new uint8_t[length]);
+    if (read(fd, result->buffer.get(), length) != static_cast<ssize_t>(length)) {
+        close(fd);
+        return false;
+    }
+    close(fd);
+    return true;
+}
+
+void JpegDecoderTest::SetUp() {
+    if (!loadFile(YUV_IMAGE, &mYuvImage)) {
+        FAIL() << "Load file " << YUV_IMAGE << " failed";
+    }
+    mYuvImage.size = YUV_IMAGE_SIZE;
+    if (!loadFile(GREY_IMAGE, &mGreyImage)) {
+        FAIL() << "Load file " << GREY_IMAGE << " failed";
+    }
+    mGreyImage.size = GREY_IMAGE_SIZE;
+}
+
+void JpegDecoderTest::TearDown() {}
+
+TEST_F(JpegDecoderTest, decodeYuvImage) {
+    JpegDecoder decoder;
+    EXPECT_TRUE(decoder.decompressImage(mYuvImage.buffer.get(), mYuvImage.size));
+    ASSERT_GT(decoder.getDecompressedImageSize(), static_cast<uint32_t>(0));
+}
+
+TEST_F(JpegDecoderTest, decodeGreyImage) {
+    JpegDecoder decoder;
+    EXPECT_TRUE(decoder.decompressImage(mGreyImage.buffer.get(), mGreyImage.size));
+    ASSERT_GT(decoder.getDecompressedImageSize(), static_cast<uint32_t>(0));
+}
+
+}
\ No newline at end of file
diff --git a/libs/jpegrecoverymap/tests/jpegencoder_test.cpp b/libs/jpegrecoverymap/tests/jpegencoder_test.cpp
new file mode 100644
index 0000000000..4cd2a5ef8c
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/jpegencoder_test.cpp
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/jpegencoder.h>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include <fcntl.h>
+
+namespace android::recoverymap {
+
+#define VALID_IMAGE "/sdcard/Documents/minnie-320x240.yu12"
+#define VALID_IMAGE_WIDTH 320
+#define VALID_IMAGE_HEIGHT 240
+#define SINGLE_CHANNEL_IMAGE "/sdcard/Documents/minnie-320x240.y"
+#define SINGLE_CHANNEL_IMAGE_WIDTH VALID_IMAGE_WIDTH
+#define SINGLE_CHANNEL_IMAGE_HEIGHT VALID_IMAGE_HEIGHT
+#define INVALID_SIZE_IMAGE "/sdcard/Documents/minnie-318x240.yu12"
+#define INVALID_SIZE_IMAGE_WIDTH 318
+#define INVALID_SIZE_IMAGE_HEIGHT 240
+#define JPEG_QUALITY 90
+
+class JpegEncoderTest : public testing::Test {
+public:
+    struct Image {
+        std::unique_ptr<uint8_t[]> buffer;
+        size_t width;
+        size_t height;
+    };
+    JpegEncoderTest();
+    ~JpegEncoderTest();
+protected:
+    virtual void SetUp();
+    virtual void TearDown();
+
+    Image mValidImage, mInvalidSizeImage, mSingleChannelImage;
+};
+
+JpegEncoderTest::JpegEncoderTest() {}
+
+JpegEncoderTest::~JpegEncoderTest() {}
+
+static size_t getFileSize(int fd) {
+    struct stat st;
+    if (fstat(fd, &st) < 0) {
+        ALOGW("%s : fstat failed", __func__);
+        return 0;
+    }
+    return st.st_size; // bytes
+}
+
+static bool loadFile(const char filename[], JpegEncoderTest::Image* result) {
+    int fd = open(filename, O_CLOEXEC);
+    if (fd < 0) {
+        return false;
+    }
+    int length = getFileSize(fd);
+    if (length == 0) {
+        close(fd);
+        return false;
+    }
+    result->buffer.reset(new uint8_t[length]);
+    if (read(fd, result->buffer.get(), length) != static_cast<ssize_t>(length)) {
+        close(fd);
+        return false;
+    }
+    close(fd);
+    return true;
+}
+
+void JpegEncoderTest::SetUp() {
+    if (!loadFile(VALID_IMAGE, &mValidImage)) {
+        FAIL() << "Load file " << VALID_IMAGE << " failed";
+    }
+    mValidImage.width = VALID_IMAGE_WIDTH;
+    mValidImage.height = VALID_IMAGE_HEIGHT;
+    if (!loadFile(INVALID_SIZE_IMAGE, &mInvalidSizeImage)) {
+        FAIL() << "Load file " << INVALID_SIZE_IMAGE << " failed";
+    }
+    mInvalidSizeImage.width = INVALID_SIZE_IMAGE_WIDTH;
+    mInvalidSizeImage.height = INVALID_SIZE_IMAGE_HEIGHT;
+    if (!loadFile(SINGLE_CHANNEL_IMAGE, &mSingleChannelImage)) {
+        FAIL() << "Load file " << SINGLE_CHANNEL_IMAGE << " failed";
+    }
+    mSingleChannelImage.width = SINGLE_CHANNEL_IMAGE_WIDTH;
+    mSingleChannelImage.height = SINGLE_CHANNEL_IMAGE_HEIGHT;
+}
+
+void JpegEncoderTest::TearDown() {}
+
+TEST_F(JpegEncoderTest, validImage) {
+    JpegEncoder encoder;
+    EXPECT_TRUE(encoder.compressImage(mValidImage.buffer.get(), mValidImage.width,
+                                         mValidImage.height, JPEG_QUALITY, NULL, 0));
+    ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
+}
+
+TEST_F(JpegEncoderTest, invalidSizeImage) {
+    JpegEncoder encoder;
+    EXPECT_FALSE(encoder.compressImage(mInvalidSizeImage.buffer.get(), mInvalidSizeImage.width,
+                                          mInvalidSizeImage.height, JPEG_QUALITY, NULL, 0));
+}
+
+TEST_F(JpegEncoderTest, singleChannelImage) {
+    JpegEncoder encoder;
+    EXPECT_TRUE(encoder.compressImage(mSingleChannelImage.buffer.get(), mSingleChannelImage.width,
+                                         mSingleChannelImage.height, JPEG_QUALITY, NULL, 0, true));
+    ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
+}
+
+}
+
diff --git a/libs/jpegrecoverymap/tests/recoverymap_test.cpp b/libs/jpegrecoverymap/tests/recoverymap_test.cpp
new file mode 100644
index 0000000000..0f96723189
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/recoverymap_test.cpp
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jpegrecoverymap/recoverymap.h>
+#include <fcntl.h>
+#include <fstream>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#define RAW_P010_IMAGE "/sdcard/Documents/raw_p010_image.p010"
+#define RAW_P010_IMAGE_WIDTH 1280
+#define RAW_P010_IMAGE_HEIGHT 720
+#define JPEG_IMAGE "/sdcard/Documents/jpeg_image.jpg"
+
+#define SAVE_ENCODING_RESULT true
+#define SAVE_DECODING_RESULT true
+
+namespace android::recoverymap {
+
+class RecoveryMapTest : public testing::Test {
+public:
+  RecoveryMapTest();
+  ~RecoveryMapTest();
+protected:
+  virtual void SetUp();
+  virtual void TearDown();
+
+  struct jpegr_uncompressed_struct mRawP010Image;
+  struct jpegr_compressed_struct mJpegImage;
+};
+
+RecoveryMapTest::RecoveryMapTest() {}
+RecoveryMapTest::~RecoveryMapTest() {}
+
+void RecoveryMapTest::SetUp() {}
+void RecoveryMapTest::TearDown() {
+  free(mRawP010Image.data);
+  free(mJpegImage.data);
+}
+
+static size_t getFileSize(int fd) {
+  struct stat st;
+  if (fstat(fd, &st) < 0) {
+    ALOGW("%s : fstat failed", __func__);
+    return 0;
+  }
+  return st.st_size; // bytes
+}
+
+static bool loadFile(const char filename[], void*& result, int* fileLength) {
+  int fd = open(filename, O_CLOEXEC);
+  if (fd < 0) {
+    return false;
+  }
+  int length = getFileSize(fd);
+  if (length == 0) {
+    close(fd);
+    return false;
+  }
+  if (fileLength != nullptr) {
+    *fileLength = length;
+  }
+  result = malloc(length);
+  if (read(fd, result, length) != static_cast<ssize_t>(length)) {
+    close(fd);
+    return false;
+  }
+  close(fd);
+  return true;
+}
+
+TEST_F(RecoveryMapTest, build) {
+  // Force all of the recovery map lib to be linked by calling all public functions.
+  RecoveryMap recovery_map;
+  recovery_map.encodeJPEGR(nullptr, static_cast<jpegr_transfer_function>(0), nullptr, 0, nullptr);
+  recovery_map.encodeJPEGR(nullptr, nullptr, static_cast<jpegr_transfer_function>(0),
+                           nullptr, 0, nullptr);
+  recovery_map.encodeJPEGR(nullptr, nullptr, nullptr, static_cast<jpegr_transfer_function>(0),
+                           nullptr);
+  recovery_map.encodeJPEGR(nullptr, nullptr, static_cast<jpegr_transfer_function>(0), nullptr);
+  recovery_map.decodeJPEGR(nullptr, nullptr, nullptr, false);
+}
+
+TEST_F(RecoveryMapTest, encodeFromP010ThenDecode) {
+  int ret;
+
+  // Load input files.
+  if (!loadFile(RAW_P010_IMAGE, mRawP010Image.data, nullptr)) {
+    FAIL() << "Load file " << RAW_P010_IMAGE << " failed";
+  }
+  mRawP010Image.width = RAW_P010_IMAGE_WIDTH;
+  mRawP010Image.height = RAW_P010_IMAGE_HEIGHT;
+  mRawP010Image.colorGamut = jpegr_color_gamut::JPEGR_COLORGAMUT_BT2100;
+
+  RecoveryMap recoveryMap;
+
+  jpegr_compressed_struct jpegR;
+  jpegR.maxLength = RAW_P010_IMAGE_WIDTH * RAW_P010_IMAGE_HEIGHT * sizeof(uint8_t);
+  jpegR.data = malloc(jpegR.maxLength);
+  ret = recoveryMap.encodeJPEGR(
+      &mRawP010Image, jpegr_transfer_function::JPEGR_TF_HLG, &jpegR, 90, nullptr);
+  if (ret != OK) {
+    FAIL() << "Error code is " << ret;
+  }
+  if (SAVE_ENCODING_RESULT) {
+    // Output image data to file
+    std::string filePath = "/sdcard/Documents/encoded_from_jpeg_input.jpgr";
+    std::ofstream imageFile(filePath.c_str(), std::ofstream::binary);
+    if (!imageFile.is_open()) {
+      ALOGE("%s: Unable to create file %s", __FUNCTION__, filePath.c_str());
+    }
+    imageFile.write((const char*)jpegR.data, jpegR.length);
+  }
+
+  jpegr_uncompressed_struct decodedJpegR;
+  int decodedJpegRSize = RAW_P010_IMAGE_WIDTH * RAW_P010_IMAGE_HEIGHT * 4;
+  decodedJpegR.data = malloc(decodedJpegRSize);
+  ret = recoveryMap.decodeJPEGR(&jpegR, &decodedJpegR);
+  if (ret != OK) {
+    FAIL() << "Error code is " << ret;
+  }
+  if (SAVE_DECODING_RESULT) {
+    // Output image data to file
+    std::string filePath = "/sdcard/Documents/decoded_from_jpeg_input.rgb10";
+    std::ofstream imageFile(filePath.c_str(), std::ofstream::binary);
+    if (!imageFile.is_open()) {
+      ALOGE("%s: Unable to create file %s", __FUNCTION__, filePath.c_str());
+    }
+    imageFile.write((const char*)decodedJpegR.data, decodedJpegRSize);
+  }
+
+  free(jpegR.data);
+  free(decodedJpegR.data);
+}
+
+TEST_F(RecoveryMapTest, encodeFromJpegThenDecode) {
+  int ret;
+
+  // Load input files.
+  if (!loadFile(RAW_P010_IMAGE, mRawP010Image.data, nullptr)) {
+    FAIL() << "Load file " << RAW_P010_IMAGE << " failed";
+  }
+  mRawP010Image.width = RAW_P010_IMAGE_WIDTH;
+  mRawP010Image.height = RAW_P010_IMAGE_HEIGHT;
+  mRawP010Image.colorGamut = jpegr_color_gamut::JPEGR_COLORGAMUT_BT2100;
+
+  if (!loadFile(JPEG_IMAGE, mJpegImage.data, &mJpegImage.length)) {
+    FAIL() << "Load file " << JPEG_IMAGE << " failed";
+  }
+  mJpegImage.colorGamut = jpegr_color_gamut::JPEGR_COLORGAMUT_BT709;
+
+  RecoveryMap recoveryMap;
+
+  jpegr_compressed_struct jpegR;
+  jpegR.maxLength = RAW_P010_IMAGE_WIDTH * RAW_P010_IMAGE_HEIGHT * sizeof(uint8_t);
+  jpegR.data = malloc(jpegR.maxLength);
+  ret = recoveryMap.encodeJPEGR(
+      &mRawP010Image, &mJpegImage, jpegr_transfer_function::JPEGR_TF_HLG, &jpegR);
+  if (ret != OK) {
+    FAIL() << "Error code is " << ret;
+  }
+  if (SAVE_ENCODING_RESULT) {
+    // Output image data to file
+    std::string filePath = "/sdcard/Documents/encoded_from_jpeg_input.jpgr";
+    std::ofstream imageFile(filePath.c_str(), std::ofstream::binary);
+    if (!imageFile.is_open()) {
+      ALOGE("%s: Unable to create file %s", __FUNCTION__, filePath.c_str());
+    }
+    imageFile.write((const char*)jpegR.data, jpegR.length);
+  }
+
+  jpegr_uncompressed_struct decodedJpegR;
+  int decodedJpegRSize = RAW_P010_IMAGE_WIDTH * RAW_P010_IMAGE_HEIGHT * 4;
+  decodedJpegR.data = malloc(decodedJpegRSize);
+  ret = recoveryMap.decodeJPEGR(&jpegR, &decodedJpegR);
+  if (ret != OK) {
+    FAIL() << "Error code is " << ret;
+  }
+  if (SAVE_DECODING_RESULT) {
+    // Output image data to file
+    std::string filePath = "/sdcard/Documents/decoded_from_jpeg_input.rgb10";
+    std::ofstream imageFile(filePath.c_str(), std::ofstream::binary);
+    if (!imageFile.is_open()) {
+      ALOGE("%s: Unable to create file %s", __FUNCTION__, filePath.c_str());
+    }
+    imageFile.write((const char*)decodedJpegR.data, decodedJpegRSize);
+  }
+
+  free(jpegR.data);
+  free(decodedJpegR.data);
+}
+
+} // namespace android::recoverymap
diff --git a/libs/jpegrecoverymap/tests/recoverymapmath_test.cpp b/libs/jpegrecoverymap/tests/recoverymapmath_test.cpp
new file mode 100644
index 0000000000..169201c73b
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/recoverymapmath_test.cpp
@@ -0,0 +1,882 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cmath>
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+#include <jpegrecoverymap/recoverymapmath.h>
+
+namespace android::recoverymap {
+
+class RecoveryMapMathTest : public testing::Test {
+public:
+  RecoveryMapMathTest();
+  ~RecoveryMapMathTest();
+
+  float ComparisonEpsilon() { return 1e-4f; }
+  float LuminanceEpsilon() { return 1e-2f; }
+
+  Color Yuv420(uint8_t y, uint8_t u, uint8_t v) {
+      return {{{ static_cast<float>(y) / 255.0f,
+                 (static_cast<float>(u) - 128.0f) / 255.0f,
+                 (static_cast<float>(v) - 128.0f) / 255.0f }}};
+  }
+
+  Color P010(uint16_t y, uint16_t u, uint16_t v) {
+      return {{{ static_cast<float>(y) / 940.0f,
+                 (static_cast<float>(u) - 64.0f) / 940.0f - 0.5f,
+                 (static_cast<float>(v) - 64.0f) / 940.0f - 0.5f }}};
+  }
+
+  float Map(uint8_t e) {
+    return (static_cast<float>(e) - 127.5f) / 127.5f;
+  }
+
+  Color ColorMin(Color e1, Color e2) {
+    return {{{ fmin(e1.r, e2.r), fmin(e1.g, e2.g), fmin(e1.b, e2.b) }}};
+  }
+
+  Color ColorMax(Color e1, Color e2) {
+    return {{{ fmax(e1.r, e2.r), fmax(e1.g, e2.g), fmax(e1.b, e2.b) }}};
+  }
+
+  Color RgbBlack() { return {{{ 0.0f, 0.0f, 0.0f }}}; }
+  Color RgbWhite() { return {{{ 1.0f, 1.0f, 1.0f }}}; }
+
+  Color RgbRed() { return {{{ 1.0f, 0.0f, 0.0f }}}; }
+  Color RgbGreen() { return {{{ 0.0f, 1.0f, 0.0f }}}; }
+  Color RgbBlue() { return {{{ 0.0f, 0.0f, 1.0f }}}; }
+
+  Color YuvBlack() { return {{{ 0.0f, 0.0f, 0.0f }}}; }
+  Color YuvWhite() { return {{{ 1.0f, 0.0f, 0.0f }}}; }
+
+  Color SrgbYuvRed() { return {{{ 0.299f, -0.1687f, 0.5f }}}; }
+  Color SrgbYuvGreen() { return {{{ 0.587f, -0.3313f, -0.4187f }}}; }
+  Color SrgbYuvBlue() { return {{{ 0.114f, 0.5f, -0.0813f }}}; }
+
+  Color Bt2100YuvRed() { return {{{ 0.2627f, -0.13963f, 0.5f }}}; }
+  Color Bt2100YuvGreen() { return {{{ 0.6780f, -0.36037f, -0.45979f }}}; }
+  Color Bt2100YuvBlue() { return {{{ 0.0593f, 0.5f, -0.04021f }}}; }
+
+  float SrgbYuvToLuminance(Color yuv_gamma, ColorCalculationFn luminanceFn) {
+    Color rgb_gamma = srgbYuvToRgb(yuv_gamma);
+    Color rgb = srgbInvOetf(rgb_gamma);
+    float luminance_scaled = luminanceFn(rgb);
+    return luminance_scaled * kSdrWhiteNits;
+  }
+
+  float Bt2100YuvToLuminance(Color yuv_gamma, ColorTransformFn hdrInvOetf,
+                             ColorTransformFn gamutConversionFn, ColorCalculationFn luminanceFn,
+                             float scale_factor) {
+    Color rgb_gamma = bt2100YuvToRgb(yuv_gamma);
+    Color rgb = hdrInvOetf(rgb_gamma);
+    rgb = gamutConversionFn(rgb);
+    float luminance_scaled = luminanceFn(rgb);
+    return luminance_scaled * scale_factor;
+  }
+
+  Color Recover(Color yuv_gamma, float recovery, float range_scaling_factor) {
+    Color rgb_gamma = srgbYuvToRgb(yuv_gamma);
+    Color rgb = srgbInvOetf(rgb_gamma);
+    return applyRecovery(rgb, recovery, range_scaling_factor);
+  }
+
+  jpegr_uncompressed_struct Yuv420Image() {
+    static uint8_t pixels[] = {
+      // Y
+      0x00, 0x10, 0x20, 0x30,
+      0x01, 0x11, 0x21, 0x31,
+      0x02, 0x12, 0x22, 0x32,
+      0x03, 0x13, 0x23, 0x33,
+      // U
+      0xA0, 0xA1,
+      0xA2, 0xA3,
+      // V
+      0xB0, 0xB1,
+      0xB2, 0xB3,
+    };
+    return { pixels, 4, 4, JPEGR_COLORGAMUT_BT709 };
+  }
+
+  Color (*Yuv420Colors())[4] {
+    static Color colors[4][4] = {
+      {
+        Yuv420(0x00, 0xA0, 0xB0), Yuv420(0x10, 0xA0, 0xB0),
+        Yuv420(0x20, 0xA1, 0xB1), Yuv420(0x30, 0xA1, 0xB1),
+      }, {
+        Yuv420(0x01, 0xA0, 0xB0), Yuv420(0x11, 0xA0, 0xB0),
+        Yuv420(0x21, 0xA1, 0xB1), Yuv420(0x31, 0xA1, 0xB1),
+      }, {
+        Yuv420(0x02, 0xA2, 0xB2), Yuv420(0x12, 0xA2, 0xB2),
+        Yuv420(0x22, 0xA3, 0xB3), Yuv420(0x32, 0xA3, 0xB3),
+      }, {
+        Yuv420(0x03, 0xA2, 0xB2), Yuv420(0x13, 0xA2, 0xB2),
+        Yuv420(0x23, 0xA3, 0xB3), Yuv420(0x33, 0xA3, 0xB3),
+      },
+    };
+    return colors;
+  }
+
+  jpegr_uncompressed_struct P010Image() {
+    static uint16_t pixels[] = {
+      // Y
+      0x00 << 6, 0x10 << 6, 0x20 << 6, 0x30 << 6,
+      0x01 << 6, 0x11 << 6, 0x21 << 6, 0x31 << 6,
+      0x02 << 6, 0x12 << 6, 0x22 << 6, 0x32 << 6,
+      0x03 << 6, 0x13 << 6, 0x23 << 6, 0x33 << 6,
+      // UV
+      0xA0 << 6, 0xB0 << 6, 0xA1 << 6, 0xB1 << 6,
+      0xA2 << 6, 0xB2 << 6, 0xA3 << 6, 0xB3 << 6,
+    };
+    return { pixels, 4, 4, JPEGR_COLORGAMUT_BT709 };
+  }
+
+  Color (*P010Colors())[4] {
+    static Color colors[4][4] = {
+      {
+        P010(0x00, 0xA0, 0xB0), P010(0x10, 0xA0, 0xB0),
+        P010(0x20, 0xA1, 0xB1), P010(0x30, 0xA1, 0xB1),
+      }, {
+        P010(0x01, 0xA0, 0xB0), P010(0x11, 0xA0, 0xB0),
+        P010(0x21, 0xA1, 0xB1), P010(0x31, 0xA1, 0xB1),
+      }, {
+        P010(0x02, 0xA2, 0xB2), P010(0x12, 0xA2, 0xB2),
+        P010(0x22, 0xA3, 0xB3), P010(0x32, 0xA3, 0xB3),
+      }, {
+        P010(0x03, 0xA2, 0xB2), P010(0x13, 0xA2, 0xB2),
+        P010(0x23, 0xA3, 0xB3), P010(0x33, 0xA3, 0xB3),
+      },
+    };
+    return colors;
+  }
+
+  jpegr_uncompressed_struct MapImage() {
+    static uint8_t pixels[] = {
+      0x00, 0x10, 0x20, 0x30,
+      0x01, 0x11, 0x21, 0x31,
+      0x02, 0x12, 0x22, 0x32,
+      0x03, 0x13, 0x23, 0x33,
+    };
+    return { pixels, 4, 4, JPEGR_COLORGAMUT_UNSPECIFIED };
+  }
+
+  float (*MapValues())[4] {
+    static float values[4][4] = {
+      {
+        Map(0x00), Map(0x10), Map(0x20), Map(0x30),
+      }, {
+        Map(0x01), Map(0x11), Map(0x21), Map(0x31),
+      }, {
+        Map(0x02), Map(0x12), Map(0x22), Map(0x32),
+      }, {
+        Map(0x03), Map(0x13), Map(0x23), Map(0x33),
+      },
+    };
+    return values;
+  }
+
+protected:
+  virtual void SetUp();
+  virtual void TearDown();
+};
+
+RecoveryMapMathTest::RecoveryMapMathTest() {}
+RecoveryMapMathTest::~RecoveryMapMathTest() {}
+
+void RecoveryMapMathTest::SetUp() {}
+void RecoveryMapMathTest::TearDown() {}
+
+#define EXPECT_RGB_EQ(e1, e2)       \
+  EXPECT_FLOAT_EQ((e1).r, (e2).r);  \
+  EXPECT_FLOAT_EQ((e1).g, (e2).g);  \
+  EXPECT_FLOAT_EQ((e1).b, (e2).b)
+
+#define EXPECT_RGB_NEAR(e1, e2)                     \
+  EXPECT_NEAR((e1).r, (e2).r, ComparisonEpsilon()); \
+  EXPECT_NEAR((e1).g, (e2).g, ComparisonEpsilon()); \
+  EXPECT_NEAR((e1).b, (e2).b, ComparisonEpsilon())
+
+#define EXPECT_RGB_CLOSE(e1, e2)                            \
+  EXPECT_NEAR((e1).r, (e2).r, ComparisonEpsilon() * 10.0f); \
+  EXPECT_NEAR((e1).g, (e2).g, ComparisonEpsilon() * 10.0f); \
+  EXPECT_NEAR((e1).b, (e2).b, ComparisonEpsilon() * 10.0f)
+
+#define EXPECT_YUV_EQ(e1, e2)       \
+  EXPECT_FLOAT_EQ((e1).y, (e2).y);  \
+  EXPECT_FLOAT_EQ((e1).u, (e2).u);  \
+  EXPECT_FLOAT_EQ((e1).v, (e2).v)
+
+#define EXPECT_YUV_NEAR(e1, e2)                     \
+  EXPECT_NEAR((e1).y, (e2).y, ComparisonEpsilon()); \
+  EXPECT_NEAR((e1).u, (e2).u, ComparisonEpsilon()); \
+  EXPECT_NEAR((e1).v, (e2).v, ComparisonEpsilon())
+
+#define EXPECT_YUV_BETWEEN(e, min, max)                                           \
+  EXPECT_THAT((e).y, testing::AllOf(testing::Ge((min).y), testing::Le((max).y))); \
+  EXPECT_THAT((e).u, testing::AllOf(testing::Ge((min).u), testing::Le((max).u))); \
+  EXPECT_THAT((e).v, testing::AllOf(testing::Ge((min).v), testing::Le((max).v)))
+
+// TODO: a bunch of these tests can be parameterized.
+
+TEST_F(RecoveryMapMathTest, ColorConstruct) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  EXPECT_FLOAT_EQ(e1.r, 0.1f);
+  EXPECT_FLOAT_EQ(e1.g, 0.2f);
+  EXPECT_FLOAT_EQ(e1.b, 0.3f);
+
+  EXPECT_FLOAT_EQ(e1.y, 0.1f);
+  EXPECT_FLOAT_EQ(e1.u, 0.2f);
+  EXPECT_FLOAT_EQ(e1.v, 0.3f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorAddColor) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 + e1;
+  EXPECT_FLOAT_EQ(e2.r, e1.r * 2.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g * 2.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b * 2.0f);
+
+  e2 += e1;
+  EXPECT_FLOAT_EQ(e2.r, e1.r * 3.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g * 3.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b * 3.0f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorAddFloat) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 + 0.1f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r + 0.1f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g + 0.1f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b + 0.1f);
+
+  e2 += 0.1f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r + 0.2f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g + 0.2f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b + 0.2f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorSubtractColor) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 - e1;
+  EXPECT_FLOAT_EQ(e2.r, 0.0f);
+  EXPECT_FLOAT_EQ(e2.g, 0.0f);
+  EXPECT_FLOAT_EQ(e2.b, 0.0f);
+
+  e2 -= e1;
+  EXPECT_FLOAT_EQ(e2.r, -e1.r);
+  EXPECT_FLOAT_EQ(e2.g, -e1.g);
+  EXPECT_FLOAT_EQ(e2.b, -e1.b);
+}
+
+TEST_F(RecoveryMapMathTest, ColorSubtractFloat) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 - 0.1f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r - 0.1f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g - 0.1f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b - 0.1f);
+
+  e2 -= 0.1f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r - 0.2f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g - 0.2f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b - 0.2f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorMultiplyFloat) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 * 2.0f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r * 2.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g * 2.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b * 2.0f);
+
+  e2 *= 2.0f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r * 4.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g * 4.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b * 4.0f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorDivideFloat) {
+  Color e1 = {{{ 0.1f, 0.2f, 0.3f }}};
+
+  Color e2 = e1 / 2.0f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r / 2.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g / 2.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b / 2.0f);
+
+  e2 /= 2.0f;
+  EXPECT_FLOAT_EQ(e2.r, e1.r / 4.0f);
+  EXPECT_FLOAT_EQ(e2.g, e1.g / 4.0f);
+  EXPECT_FLOAT_EQ(e2.b, e1.b / 4.0f);
+}
+
+TEST_F(RecoveryMapMathTest, SrgbLuminance) {
+  EXPECT_FLOAT_EQ(srgbLuminance(RgbBlack()), 0.0f);
+  EXPECT_FLOAT_EQ(srgbLuminance(RgbWhite()), 1.0f);
+  EXPECT_FLOAT_EQ(srgbLuminance(RgbRed()), 0.2126f);
+  EXPECT_FLOAT_EQ(srgbLuminance(RgbGreen()), 0.7152f);
+  EXPECT_FLOAT_EQ(srgbLuminance(RgbBlue()), 0.0722f);
+}
+
+TEST_F(RecoveryMapMathTest, SrgbYuvToRgb) {
+  Color rgb_black = srgbYuvToRgb(YuvBlack());
+  EXPECT_RGB_NEAR(rgb_black, RgbBlack());
+
+  Color rgb_white = srgbYuvToRgb(YuvWhite());
+  EXPECT_RGB_NEAR(rgb_white, RgbWhite());
+
+  Color rgb_r = srgbYuvToRgb(SrgbYuvRed());
+  EXPECT_RGB_NEAR(rgb_r, RgbRed());
+
+  Color rgb_g = srgbYuvToRgb(SrgbYuvGreen());
+  EXPECT_RGB_NEAR(rgb_g, RgbGreen());
+
+  Color rgb_b = srgbYuvToRgb(SrgbYuvBlue());
+  EXPECT_RGB_NEAR(rgb_b, RgbBlue());
+}
+
+TEST_F(RecoveryMapMathTest, SrgbRgbToYuv) {
+  Color yuv_black = srgbRgbToYuv(RgbBlack());
+  EXPECT_YUV_NEAR(yuv_black, YuvBlack());
+
+  Color yuv_white = srgbRgbToYuv(RgbWhite());
+  EXPECT_YUV_NEAR(yuv_white, YuvWhite());
+
+  Color yuv_r = srgbRgbToYuv(RgbRed());
+  EXPECT_YUV_NEAR(yuv_r, SrgbYuvRed());
+
+  Color yuv_g = srgbRgbToYuv(RgbGreen());
+  EXPECT_YUV_NEAR(yuv_g, SrgbYuvGreen());
+
+  Color yuv_b = srgbRgbToYuv(RgbBlue());
+  EXPECT_YUV_NEAR(yuv_b, SrgbYuvBlue());
+}
+
+TEST_F(RecoveryMapMathTest, SrgbRgbYuvRoundtrip) {
+  Color rgb_black = srgbYuvToRgb(srgbRgbToYuv(RgbBlack()));
+  EXPECT_RGB_NEAR(rgb_black, RgbBlack());
+
+  Color rgb_white = srgbYuvToRgb(srgbRgbToYuv(RgbWhite()));
+  EXPECT_RGB_NEAR(rgb_white, RgbWhite());
+
+  Color rgb_r = srgbYuvToRgb(srgbRgbToYuv(RgbRed()));
+  EXPECT_RGB_NEAR(rgb_r, RgbRed());
+
+  Color rgb_g = srgbYuvToRgb(srgbRgbToYuv(RgbGreen()));
+  EXPECT_RGB_NEAR(rgb_g, RgbGreen());
+
+  Color rgb_b = srgbYuvToRgb(srgbRgbToYuv(RgbBlue()));
+  EXPECT_RGB_NEAR(rgb_b, RgbBlue());
+}
+
+TEST_F(RecoveryMapMathTest, SrgbTransferFunction) {
+  EXPECT_FLOAT_EQ(srgbInvOetf(0.0f), 0.0f);
+  EXPECT_NEAR(srgbInvOetf(0.02f), 0.00154f, ComparisonEpsilon());
+  EXPECT_NEAR(srgbInvOetf(0.04045f), 0.00313f, ComparisonEpsilon());
+  EXPECT_NEAR(srgbInvOetf(0.5f), 0.21404f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(srgbInvOetf(1.0f), 1.0f);
+}
+
+TEST_F(RecoveryMapMathTest, P3Luminance) {
+  EXPECT_FLOAT_EQ(p3Luminance(RgbBlack()), 0.0f);
+  EXPECT_FLOAT_EQ(p3Luminance(RgbWhite()), 1.0f);
+  EXPECT_FLOAT_EQ(p3Luminance(RgbRed()), 0.20949f);
+  EXPECT_FLOAT_EQ(p3Luminance(RgbGreen()), 0.72160f);
+  EXPECT_FLOAT_EQ(p3Luminance(RgbBlue()), 0.06891f);
+}
+
+TEST_F(RecoveryMapMathTest, Bt2100Luminance) {
+  EXPECT_FLOAT_EQ(bt2100Luminance(RgbBlack()), 0.0f);
+  EXPECT_FLOAT_EQ(bt2100Luminance(RgbWhite()), 1.0f);
+  EXPECT_FLOAT_EQ(bt2100Luminance(RgbRed()), 0.2627f);
+  EXPECT_FLOAT_EQ(bt2100Luminance(RgbGreen()), 0.6780f);
+  EXPECT_FLOAT_EQ(bt2100Luminance(RgbBlue()), 0.0593f);
+}
+
+TEST_F(RecoveryMapMathTest, Bt2100YuvToRgb) {
+  Color rgb_black = bt2100YuvToRgb(YuvBlack());
+  EXPECT_RGB_NEAR(rgb_black, RgbBlack());
+
+  Color rgb_white = bt2100YuvToRgb(YuvWhite());
+  EXPECT_RGB_NEAR(rgb_white, RgbWhite());
+
+  Color rgb_r = bt2100YuvToRgb(Bt2100YuvRed());
+  EXPECT_RGB_NEAR(rgb_r, RgbRed());
+
+  Color rgb_g = bt2100YuvToRgb(Bt2100YuvGreen());
+  EXPECT_RGB_NEAR(rgb_g, RgbGreen());
+
+  Color rgb_b = bt2100YuvToRgb(Bt2100YuvBlue());
+  EXPECT_RGB_NEAR(rgb_b, RgbBlue());
+}
+
+TEST_F(RecoveryMapMathTest, Bt2100RgbToYuv) {
+  Color yuv_black = bt2100RgbToYuv(RgbBlack());
+  EXPECT_YUV_NEAR(yuv_black, YuvBlack());
+
+  Color yuv_white = bt2100RgbToYuv(RgbWhite());
+  EXPECT_YUV_NEAR(yuv_white, YuvWhite());
+
+  Color yuv_r = bt2100RgbToYuv(RgbRed());
+  EXPECT_YUV_NEAR(yuv_r, Bt2100YuvRed());
+
+  Color yuv_g = bt2100RgbToYuv(RgbGreen());
+  EXPECT_YUV_NEAR(yuv_g, Bt2100YuvGreen());
+
+  Color yuv_b = bt2100RgbToYuv(RgbBlue());
+  EXPECT_YUV_NEAR(yuv_b, Bt2100YuvBlue());
+}
+
+TEST_F(RecoveryMapMathTest, Bt2100RgbYuvRoundtrip) {
+  Color rgb_black = bt2100YuvToRgb(bt2100RgbToYuv(RgbBlack()));
+  EXPECT_RGB_NEAR(rgb_black, RgbBlack());
+
+  Color rgb_white = bt2100YuvToRgb(bt2100RgbToYuv(RgbWhite()));
+  EXPECT_RGB_NEAR(rgb_white, RgbWhite());
+
+  Color rgb_r = bt2100YuvToRgb(bt2100RgbToYuv(RgbRed()));
+  EXPECT_RGB_NEAR(rgb_r, RgbRed());
+
+  Color rgb_g = bt2100YuvToRgb(bt2100RgbToYuv(RgbGreen()));
+  EXPECT_RGB_NEAR(rgb_g, RgbGreen());
+
+  Color rgb_b = bt2100YuvToRgb(bt2100RgbToYuv(RgbBlue()));
+  EXPECT_RGB_NEAR(rgb_b, RgbBlue());
+}
+
+TEST_F(RecoveryMapMathTest, HlgOetf) {
+  EXPECT_FLOAT_EQ(hlgOetf(0.0f), 0.0f);
+  EXPECT_NEAR(hlgOetf(0.04167f), 0.35357f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgOetf(0.08333f), 0.5f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgOetf(0.5f), 0.87164f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(hlgOetf(1.0f), 1.0f);
+
+  Color e = {{{ 0.04167f, 0.08333f, 0.5f }}};
+  Color e_gamma = {{{ 0.35357f, 0.5f, 0.87164f }}};
+  EXPECT_RGB_NEAR(hlgOetf(e), e_gamma);
+}
+
+TEST_F(RecoveryMapMathTest, HlgInvOetf) {
+  EXPECT_FLOAT_EQ(hlgInvOetf(0.0f), 0.0f);
+  EXPECT_NEAR(hlgInvOetf(0.25f), 0.02083f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgInvOetf(0.5f), 0.08333f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgInvOetf(0.75f), 0.26496f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(hlgInvOetf(1.0f), 1.0f);
+
+  Color e_gamma = {{{ 0.25f, 0.5f, 0.75f }}};
+  Color e = {{{ 0.02083f, 0.08333f, 0.26496f }}};
+  EXPECT_RGB_NEAR(hlgInvOetf(e_gamma), e);
+}
+
+TEST_F(RecoveryMapMathTest, HlgTransferFunctionRoundtrip) {
+  EXPECT_FLOAT_EQ(hlgInvOetf(hlgOetf(0.0f)), 0.0f);
+  EXPECT_NEAR(hlgInvOetf(hlgOetf(0.04167f)), 0.04167f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgInvOetf(hlgOetf(0.08333f)), 0.08333f, ComparisonEpsilon());
+  EXPECT_NEAR(hlgInvOetf(hlgOetf(0.5f)), 0.5f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(hlgInvOetf(hlgOetf(1.0f)), 1.0f);
+}
+
+TEST_F(RecoveryMapMathTest, PqOetf) {
+  EXPECT_FLOAT_EQ(pqOetf(0.0f), 0.0f);
+  EXPECT_NEAR(pqOetf(0.01f), 0.50808f, ComparisonEpsilon());
+  EXPECT_NEAR(pqOetf(0.5f), 0.92655f, ComparisonEpsilon());
+  EXPECT_NEAR(pqOetf(0.99f), 0.99895f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(pqOetf(1.0f), 1.0f);
+
+  Color e = {{{ 0.01f, 0.5f, 0.99f }}};
+  Color e_gamma = {{{ 0.50808f, 0.92655f, 0.99895f }}};
+  EXPECT_RGB_NEAR(pqOetf(e), e_gamma);
+}
+
+TEST_F(RecoveryMapMathTest, PqInvOetf) {
+  EXPECT_FLOAT_EQ(pqInvOetf(0.0f), 0.0f);
+  EXPECT_NEAR(pqInvOetf(0.01f), 2.31017e-7f, ComparisonEpsilon());
+  EXPECT_NEAR(pqInvOetf(0.5f), 0.00922f, ComparisonEpsilon());
+  EXPECT_NEAR(pqInvOetf(0.99f), 0.90903f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(pqInvOetf(1.0f), 1.0f);
+
+  Color e_gamma = {{{ 0.01f, 0.5f, 0.99f }}};
+  Color e = {{{ 2.31017e-7f, 0.00922f, 0.90903f }}};
+  EXPECT_RGB_NEAR(pqInvOetf(e_gamma), e);
+}
+
+TEST_F(RecoveryMapMathTest, PqTransferFunctionRoundtrip) {
+  EXPECT_FLOAT_EQ(pqInvOetf(pqOetf(0.0f)), 0.0f);
+  EXPECT_NEAR(pqInvOetf(pqOetf(0.01f)), 0.01f, ComparisonEpsilon());
+  EXPECT_NEAR(pqInvOetf(pqOetf(0.5f)), 0.5f, ComparisonEpsilon());
+  EXPECT_NEAR(pqInvOetf(pqOetf(0.99f)), 0.99f, ComparisonEpsilon());
+  EXPECT_FLOAT_EQ(pqInvOetf(pqOetf(1.0f)), 1.0f);
+}
+
+TEST_F(RecoveryMapMathTest, ColorConversionLookup) {
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT709, JPEGR_COLORGAMUT_UNSPECIFIED),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT709, JPEGR_COLORGAMUT_BT709),
+            identityConversion);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT709, JPEGR_COLORGAMUT_P3),
+            p3ToBt709);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT709, JPEGR_COLORGAMUT_BT2100),
+            bt2100ToBt709);
+
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_P3, JPEGR_COLORGAMUT_UNSPECIFIED),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_P3, JPEGR_COLORGAMUT_BT709),
+            bt709ToP3);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_P3, JPEGR_COLORGAMUT_P3),
+            identityConversion);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_P3, JPEGR_COLORGAMUT_BT2100),
+            bt2100ToP3);
+
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT2100, JPEGR_COLORGAMUT_UNSPECIFIED),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT2100, JPEGR_COLORGAMUT_BT709),
+            bt709ToBt2100);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT2100, JPEGR_COLORGAMUT_P3),
+            p3ToBt2100);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_BT2100, JPEGR_COLORGAMUT_BT2100),
+            identityConversion);
+
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_UNSPECIFIED, JPEGR_COLORGAMUT_UNSPECIFIED),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_UNSPECIFIED, JPEGR_COLORGAMUT_BT709),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_UNSPECIFIED, JPEGR_COLORGAMUT_P3),
+            nullptr);
+  EXPECT_EQ(getHdrConversionFn(JPEGR_COLORGAMUT_UNSPECIFIED, JPEGR_COLORGAMUT_BT2100),
+            nullptr);
+}
+
+TEST_F(RecoveryMapMathTest, EncodeRecovery) {
+  EXPECT_EQ(encodeRecovery(0.0f, 0.0f, 4.0f), 127);
+  EXPECT_EQ(encodeRecovery(0.0f, 1.0f, 4.0f), 127);
+  EXPECT_EQ(encodeRecovery(1.0f, 0.0f, 4.0f), 0);
+  EXPECT_EQ(encodeRecovery(0.5f, 0.0f, 4.0f), 0);
+
+  EXPECT_EQ(encodeRecovery(1.0f, 1.0f, 4.0f), 127);
+  EXPECT_EQ(encodeRecovery(1.0f, 4.0f, 4.0f), 255);
+  EXPECT_EQ(encodeRecovery(1.0f, 5.0f, 4.0f), 255);
+  EXPECT_EQ(encodeRecovery(4.0f, 1.0f, 4.0f), 0);
+  EXPECT_EQ(encodeRecovery(4.0f, 0.5f, 4.0f), 0);
+  EXPECT_EQ(encodeRecovery(1.0f, 2.0f, 4.0f), 191);
+  EXPECT_EQ(encodeRecovery(2.0f, 1.0f, 4.0f), 63);
+
+  EXPECT_EQ(encodeRecovery(1.0f, 2.0f, 2.0f), 255);
+  EXPECT_EQ(encodeRecovery(2.0f, 1.0f, 2.0f), 0);
+  EXPECT_EQ(encodeRecovery(1.0f, 1.41421f, 2.0f), 191);
+  EXPECT_EQ(encodeRecovery(1.41421f, 1.0f, 2.0f), 63);
+
+  EXPECT_EQ(encodeRecovery(1.0f, 8.0f, 8.0f), 255);
+  EXPECT_EQ(encodeRecovery(8.0f, 1.0f, 8.0f), 0);
+  EXPECT_EQ(encodeRecovery(1.0f, 2.82843f, 8.0f), 191);
+  EXPECT_EQ(encodeRecovery(2.82843f, 1.0f, 8.0f), 63);
+}
+
+TEST_F(RecoveryMapMathTest, ApplyRecovery) {
+  EXPECT_RGB_NEAR(applyRecovery(RgbBlack(), -1.0f, 4.0f), RgbBlack());
+  EXPECT_RGB_NEAR(applyRecovery(RgbBlack(), 0.0f, 4.0f), RgbBlack());
+  EXPECT_RGB_NEAR(applyRecovery(RgbBlack(), 1.0f, 4.0f), RgbBlack());
+
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -1.0f, 4.0f), RgbWhite() / 4.0f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -0.5f, 4.0f), RgbWhite() / 2.0f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.0f, 4.0f), RgbWhite());
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.5f, 4.0f), RgbWhite() * 2.0f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 1.0f, 4.0f), RgbWhite() * 4.0f);
+
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -1.0f, 2.0f), RgbWhite() / 2.0f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -0.5f, 2.0f), RgbWhite() / 1.41421f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.0f, 2.0f), RgbWhite());
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.5f, 2.0f), RgbWhite() * 1.41421f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 1.0f, 2.0f), RgbWhite() * 2.0f);
+
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -1.0f, 8.0f), RgbWhite() / 8.0f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), -0.5f, 8.0f), RgbWhite() / 2.82843f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.0f, 8.0f), RgbWhite());
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 0.5f, 8.0f), RgbWhite() * 2.82843f);
+  EXPECT_RGB_NEAR(applyRecovery(RgbWhite(), 1.0f, 8.0f), RgbWhite() * 8.0f);
+
+  Color e = {{{ 0.0f, 0.5f, 1.0f }}};
+
+  EXPECT_RGB_NEAR(applyRecovery(e, -1.0f, 4.0f), e / 4.0f);
+  EXPECT_RGB_NEAR(applyRecovery(e, -0.5f, 4.0f), e / 2.0f);
+  EXPECT_RGB_NEAR(applyRecovery(e, 0.0f, 4.0f), e);
+  EXPECT_RGB_NEAR(applyRecovery(e, 0.5f, 4.0f), e * 2.0f);
+  EXPECT_RGB_NEAR(applyRecovery(e, 1.0f, 4.0f), e * 4.0f);
+}
+
+TEST_F(RecoveryMapMathTest, GetYuv420Pixel) {
+  jpegr_uncompressed_struct image = Yuv420Image();
+  Color (*colors)[4] = Yuv420Colors();
+
+  for (size_t y = 0; y < 4; ++y) {
+    for (size_t x = 0; x < 4; ++x) {
+      EXPECT_YUV_NEAR(getYuv420Pixel(&image, x, y), colors[y][x]);
+    }
+  }
+}
+
+TEST_F(RecoveryMapMathTest, GetP010Pixel) {
+  jpegr_uncompressed_struct image = P010Image();
+  Color (*colors)[4] = P010Colors();
+
+  for (size_t y = 0; y < 4; ++y) {
+    for (size_t x = 0; x < 4; ++x) {
+      EXPECT_YUV_NEAR(getP010Pixel(&image, x, y), colors[y][x]);
+    }
+  }
+}
+
+TEST_F(RecoveryMapMathTest, SampleYuv420) {
+  jpegr_uncompressed_struct image = Yuv420Image();
+  Color (*colors)[4] = Yuv420Colors();
+
+  static const size_t kMapScaleFactor = 2;
+  for (size_t y = 0; y < 4 / kMapScaleFactor; ++y) {
+    for (size_t x = 0; x < 4 / kMapScaleFactor; ++x) {
+      Color min = {{{ 1.0f, 1.0f, 1.0f }}};
+      Color max = {{{ -1.0f, -1.0f, -1.0f }}};
+
+      for (size_t dy = 0; dy < kMapScaleFactor; ++dy) {
+        for (size_t dx = 0; dx < kMapScaleFactor; ++dx) {
+          Color e = colors[y * kMapScaleFactor + dy][x * kMapScaleFactor + dx];
+          min = ColorMin(min, e);
+          max = ColorMax(max, e);
+        }
+      }
+
+      // Instead of reimplementing the sampling algorithm, confirm that the
+      // sample output is within the range of the min and max of the nearest
+      // points.
+      EXPECT_YUV_BETWEEN(sampleYuv420(&image, kMapScaleFactor, x, y), min, max);
+    }
+  }
+}
+
+TEST_F(RecoveryMapMathTest, SampleP010) {
+  jpegr_uncompressed_struct image = P010Image();
+  Color (*colors)[4] = P010Colors();
+
+  static const size_t kMapScaleFactor = 2;
+  for (size_t y = 0; y < 4 / kMapScaleFactor; ++y) {
+    for (size_t x = 0; x < 4 / kMapScaleFactor; ++x) {
+      Color min = {{{ 1.0f, 1.0f, 1.0f }}};
+      Color max = {{{ -1.0f, -1.0f, -1.0f }}};
+
+      for (size_t dy = 0; dy < kMapScaleFactor; ++dy) {
+        for (size_t dx = 0; dx < kMapScaleFactor; ++dx) {
+          Color e = colors[y * kMapScaleFactor + dy][x * kMapScaleFactor + dx];
+          min = ColorMin(min, e);
+          max = ColorMax(max, e);
+        }
+      }
+
+      // Instead of reimplementing the sampling algorithm, confirm that the
+      // sample output is within the range of the min and max of the nearest
+      // points.
+      EXPECT_YUV_BETWEEN(sampleP010(&image, kMapScaleFactor, x, y), min, max);
+    }
+  }
+}
+
+TEST_F(RecoveryMapMathTest, SampleMap) {
+  jpegr_uncompressed_struct image = MapImage();
+  float (*values)[4] = MapValues();
+
+  static const size_t kMapScaleFactor = 2;
+  for (size_t y = 0; y < 4 * kMapScaleFactor; ++y) {
+    for (size_t x = 0; x < 4 * kMapScaleFactor; ++x) {
+      size_t x_base = x / kMapScaleFactor;
+      size_t y_base = y / kMapScaleFactor;
+
+      float min = 1.0f;
+      float max = -1.0f;
+
+      min = fmin(min, values[y_base][x_base]);
+      max = fmax(max, values[y_base][x_base]);
+      if (y_base + 1 < 4) {
+        min = fmin(min, values[y_base + 1][x_base]);
+        max = fmax(max, values[y_base + 1][x_base]);
+      }
+      if (x_base + 1 < 4) {
+        min = fmin(min, values[y_base][x_base + 1]);
+        max = fmax(max, values[y_base][x_base + 1]);
+      }
+      if (y_base + 1 < 4 && x_base + 1 < 4) {
+        min = fmin(min, values[y_base + 1][x_base + 1]);
+        max = fmax(max, values[y_base + 1][x_base + 1]);
+      }
+
+      // Instead of reimplementing the sampling algorithm, confirm that the
+      // sample output is within the range of the min and max of the nearest
+      // points.
+      EXPECT_THAT(sampleMap(&image, kMapScaleFactor, x, y),
+                  testing::AllOf(testing::Ge(min), testing::Le(max)));
+    }
+  }
+}
+
+TEST_F(RecoveryMapMathTest, ColorToRgba1010102) {
+  EXPECT_EQ(colorToRgba1010102(RgbBlack()), 0x3 << 30);
+  EXPECT_EQ(colorToRgba1010102(RgbWhite()), 0xFFFFFFFF);
+  EXPECT_EQ(colorToRgba1010102(RgbRed()), 0x3 << 30 | 0x3ff);
+  EXPECT_EQ(colorToRgba1010102(RgbGreen()), 0x3 << 30 | 0x3ff << 10);
+  EXPECT_EQ(colorToRgba1010102(RgbBlue()), 0x3 << 30 | 0x3ff << 20);
+
+  Color e_gamma = {{{ 0.1f, 0.2f, 0.3f }}};
+  EXPECT_EQ(colorToRgba1010102(e_gamma),
+            0x3 << 30
+          | static_cast<uint32_t>(0.1f * static_cast<float>(0x3ff))
+          | static_cast<uint32_t>(0.2f * static_cast<float>(0x3ff)) << 10
+          | static_cast<uint32_t>(0.3f * static_cast<float>(0x3ff)) << 20);
+}
+
+TEST_F(RecoveryMapMathTest, GenerateMapLuminanceSrgb) {
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvBlack(), srgbLuminance),
+                  0.0f);
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvWhite(), srgbLuminance),
+                  kSdrWhiteNits);
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvRed(), srgbLuminance),
+              srgbLuminance(RgbRed()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvGreen(), srgbLuminance),
+              srgbLuminance(RgbGreen()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvBlue(), srgbLuminance),
+              srgbLuminance(RgbBlue()) * kSdrWhiteNits, LuminanceEpsilon());
+}
+
+TEST_F(RecoveryMapMathTest, GenerateMapLuminanceSrgbP3) {
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvBlack(), p3Luminance),
+                  0.0f);
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvWhite(), p3Luminance),
+                  kSdrWhiteNits);
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvRed(), p3Luminance),
+              p3Luminance(RgbRed()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvGreen(), p3Luminance),
+              p3Luminance(RgbGreen()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvBlue(), p3Luminance),
+              p3Luminance(RgbBlue()) * kSdrWhiteNits, LuminanceEpsilon());
+}
+
+TEST_F(RecoveryMapMathTest, GenerateMapLuminanceSrgbBt2100) {
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvBlack(), bt2100Luminance),
+                  0.0f);
+  EXPECT_FLOAT_EQ(SrgbYuvToLuminance(YuvWhite(), bt2100Luminance),
+                  kSdrWhiteNits);
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvRed(), bt2100Luminance),
+              bt2100Luminance(RgbRed()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvGreen(), bt2100Luminance),
+              bt2100Luminance(RgbGreen()) * kSdrWhiteNits, LuminanceEpsilon());
+  EXPECT_NEAR(SrgbYuvToLuminance(SrgbYuvBlue(), bt2100Luminance),
+              bt2100Luminance(RgbBlue()) * kSdrWhiteNits, LuminanceEpsilon());
+}
+
+TEST_F(RecoveryMapMathTest, GenerateMapLuminanceHlg) {
+  EXPECT_FLOAT_EQ(Bt2100YuvToLuminance(YuvBlack(), hlgInvOetf, identityConversion,
+                                       bt2100Luminance, kHlgMaxNits),
+                  0.0f);
+  EXPECT_FLOAT_EQ(Bt2100YuvToLuminance(YuvWhite(), hlgInvOetf, identityConversion,
+                                       bt2100Luminance, kHlgMaxNits),
+                  kHlgMaxNits);
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvRed(), hlgInvOetf, identityConversion,
+                                   bt2100Luminance, kHlgMaxNits),
+              bt2100Luminance(RgbRed()) * kHlgMaxNits, LuminanceEpsilon());
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvGreen(), hlgInvOetf, identityConversion,
+                                   bt2100Luminance, kHlgMaxNits),
+              bt2100Luminance(RgbGreen()) * kHlgMaxNits, LuminanceEpsilon());
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvBlue(), hlgInvOetf, identityConversion,
+                                   bt2100Luminance, kHlgMaxNits),
+              bt2100Luminance(RgbBlue()) * kHlgMaxNits, LuminanceEpsilon());
+}
+
+TEST_F(RecoveryMapMathTest, GenerateMapLuminancePq) {
+  EXPECT_FLOAT_EQ(Bt2100YuvToLuminance(YuvBlack(), pqInvOetf, identityConversion,
+                                       bt2100Luminance, kPqMaxNits),
+                  0.0f);
+  EXPECT_FLOAT_EQ(Bt2100YuvToLuminance(YuvWhite(), pqInvOetf, identityConversion,
+                                       bt2100Luminance, kPqMaxNits),
+                  kPqMaxNits);
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvRed(), pqInvOetf, identityConversion,
+                                       bt2100Luminance, kPqMaxNits),
+              bt2100Luminance(RgbRed()) * kPqMaxNits, LuminanceEpsilon());
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvGreen(), pqInvOetf, identityConversion,
+                                       bt2100Luminance, kPqMaxNits),
+              bt2100Luminance(RgbGreen()) * kPqMaxNits, LuminanceEpsilon());
+  EXPECT_NEAR(Bt2100YuvToLuminance(Bt2100YuvBlue(), pqInvOetf, identityConversion,
+                                       bt2100Luminance, kPqMaxNits),
+              bt2100Luminance(RgbBlue()) * kPqMaxNits, LuminanceEpsilon());
+}
+
+//Color Recover(Color yuv_gamma, float recovery, float range_scaling_factor) {
+TEST_F(RecoveryMapMathTest, ApplyMap) {
+  EXPECT_RGB_EQ(Recover(YuvWhite(), 1.0f, 8.0f),
+                RgbWhite() * 8.0f);
+  EXPECT_RGB_EQ(Recover(YuvBlack(), 1.0f, 8.0f),
+                RgbBlack());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvRed(), 1.0f, 8.0f),
+                  RgbRed() * 8.0f);
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvGreen(), 1.0f, 8.0f),
+                  RgbGreen() * 8.0f);
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvBlue(), 1.0f, 8.0f),
+                  RgbBlue() * 8.0f);
+
+  EXPECT_RGB_EQ(Recover(YuvWhite(), 0.5f, 8.0f),
+                RgbWhite() * sqrt(8.0f));
+  EXPECT_RGB_EQ(Recover(YuvBlack(), 0.5f, 8.0f),
+                RgbBlack());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvRed(), 0.5f, 8.0f),
+                  RgbRed() * sqrt(8.0f));
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvGreen(), 0.5f, 8.0f),
+                  RgbGreen() * sqrt(8.0f));
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvBlue(), 0.5f, 8.0f),
+                  RgbBlue() * sqrt(8.0f));
+
+  EXPECT_RGB_EQ(Recover(YuvWhite(), 0.0f, 8.0f),
+                RgbWhite());
+  EXPECT_RGB_EQ(Recover(YuvBlack(), 0.0f, 8.0f),
+                RgbBlack());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvRed(), 0.0f, 8.0f),
+                  RgbRed());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvGreen(), 0.0f, 8.0f),
+                  RgbGreen());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvBlue(), 0.0f, 8.0f),
+                  RgbBlue());
+
+  EXPECT_RGB_EQ(Recover(YuvWhite(), -0.5f, 8.0f),
+                RgbWhite() / sqrt(8.0f));
+  EXPECT_RGB_EQ(Recover(YuvBlack(), -0.5f, 8.0f),
+                RgbBlack());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvRed(), -0.5f, 8.0f),
+                  RgbRed() / sqrt(8.0f));
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvGreen(), -0.5f, 8.0f),
+                  RgbGreen() / sqrt(8.0f));
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvBlue(), -0.5f, 8.0f),
+                  RgbBlue() / sqrt(8.0f));
+
+  EXPECT_RGB_EQ(Recover(YuvWhite(), -1.0f, 8.0f),
+                RgbWhite() / 8.0f);
+  EXPECT_RGB_EQ(Recover(YuvBlack(), -1.0f, 8.0f),
+                RgbBlack());
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvRed(), -1.0f, 8.0f),
+                  RgbRed() / 8.0f);
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvGreen(), -1.0f, 8.0f),
+                  RgbGreen() / 8.0f);
+  EXPECT_RGB_CLOSE(Recover(SrgbYuvBlue(), -1.0f, 8.0f),
+                  RgbBlue() / 8.0f);
+}
+
+} // namespace android::recoverymap
diff --git a/libs/nativedisplay/AChoreographer.cpp b/libs/nativedisplay/AChoreographer.cpp
index 8240b08085..e64165fef3 100644
--- a/libs/nativedisplay/AChoreographer.cpp
+++ b/libs/nativedisplay/AChoreographer.cpp
@@ -14,13 +14,10 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "Choreographer"
-//#define LOG_NDEBUG 0
-
 #include <android-base/thread_annotations.h>
-#include <gui/DisplayEventDispatcher.h>
-#include <gui/ISurfaceComposer.h>
+#include <android/gui/ISurfaceComposer.h>
 #include <jni.h>
+#include <nativedisplay/Choreographer.h>
 #include <private/android/choreographer.h>
 #include <utils/Looper.h>
 #include <utils/Timers.h>
@@ -31,444 +28,9 @@
 #include <queue>
 #include <thread>
 
-namespace {
-struct {
-    // Global JVM that is provided by zygote
-    JavaVM* jvm = nullptr;
-    struct {
-        jclass clazz;
-        jmethodID getInstance;
-        jmethodID registerNativeChoreographerForRefreshRateCallbacks;
-        jmethodID unregisterNativeChoreographerForRefreshRateCallbacks;
-    } displayManagerGlobal;
-} gJni;
-
-// Gets the JNIEnv* for this thread, and performs one-off initialization if we
-// have never retrieved a JNIEnv* pointer before.
-JNIEnv* getJniEnv() {
-    if (gJni.jvm == nullptr) {
-        ALOGW("AChoreographer: No JVM provided!");
-        return nullptr;
-    }
-
-    JNIEnv* env = nullptr;
-    if (gJni.jvm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK) {
-        ALOGD("Attaching thread to JVM for AChoreographer");
-        JavaVMAttachArgs args = {JNI_VERSION_1_4, "AChoreographer_env", NULL};
-        jint attachResult = gJni.jvm->AttachCurrentThreadAsDaemon(&env, (void*)&args);
-        if (attachResult != JNI_OK) {
-            ALOGE("Unable to attach thread. Error: %d", attachResult);
-            return nullptr;
-        }
-    }
-    if (env == nullptr) {
-        ALOGW("AChoreographer: No JNI env available!");
-    }
-    return env;
-}
-
-inline const char* toString(bool value) {
-    return value ? "true" : "false";
-}
-} // namespace
-
-namespace android {
-using gui::VsyncEventData;
-
-struct FrameCallback {
-    AChoreographer_frameCallback callback;
-    AChoreographer_frameCallback64 callback64;
-    AChoreographer_vsyncCallback vsyncCallback;
-    void* data;
-    nsecs_t dueTime;
-
-    inline bool operator<(const FrameCallback& rhs) const {
-        // Note that this is intentionally flipped because we want callbacks due sooner to be at
-        // the head of the queue
-        return dueTime > rhs.dueTime;
-    }
-};
-
-struct RefreshRateCallback {
-    AChoreographer_refreshRateCallback callback;
-    void* data;
-    bool firstCallbackFired = false;
-};
-
-class Choreographer;
-
-/**
- * Implementation of AChoreographerFrameCallbackData.
- */
-struct ChoreographerFrameCallbackDataImpl {
-    int64_t frameTimeNanos{0};
-
-    VsyncEventData vsyncEventData;
-
-    const Choreographer* choreographer;
-};
-
-struct {
-    std::mutex lock;
-    std::vector<Choreographer*> ptrs GUARDED_BY(lock);
-    std::map<AVsyncId, int64_t> startTimes GUARDED_BY(lock);
-    bool registeredToDisplayManager GUARDED_BY(lock) = false;
-
-    std::atomic<nsecs_t> mLastKnownVsync = -1;
-} gChoreographers;
-
-class Choreographer : public DisplayEventDispatcher, public MessageHandler {
-public:
-    explicit Choreographer(const sp<Looper>& looper) EXCLUDES(gChoreographers.lock);
-    void postFrameCallbackDelayed(AChoreographer_frameCallback cb,
-                                  AChoreographer_frameCallback64 cb64,
-                                  AChoreographer_vsyncCallback vsyncCallback, void* data,
-                                  nsecs_t delay);
-    void registerRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data)
-            EXCLUDES(gChoreographers.lock);
-    void unregisterRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data);
-    // Drains the queue of pending vsync periods and dispatches refresh rate
-    // updates to callbacks.
-    // The assumption is that this method is only called on a single
-    // processing thread, either by looper or by AChoreographer_handleEvents
-    void handleRefreshRateUpdates();
-    void scheduleLatestConfigRequest();
-
-    enum {
-        MSG_SCHEDULE_CALLBACKS = 0,
-        MSG_SCHEDULE_VSYNC = 1,
-        MSG_HANDLE_REFRESH_RATE_UPDATES = 2,
-    };
-    virtual void handleMessage(const Message& message) override;
-
-    static Choreographer* getForThread();
-    virtual ~Choreographer() override EXCLUDES(gChoreographers.lock);
-    int64_t getFrameInterval() const;
-    bool inCallback() const;
-
-private:
-    Choreographer(const Choreographer&) = delete;
-
-    void dispatchVsync(nsecs_t timestamp, PhysicalDisplayId displayId, uint32_t count,
-                       VsyncEventData vsyncEventData) override;
-    void dispatchHotplug(nsecs_t timestamp, PhysicalDisplayId displayId, bool connected) override;
-    void dispatchModeChanged(nsecs_t timestamp, PhysicalDisplayId displayId, int32_t modeId,
-                             nsecs_t vsyncPeriod) override;
-    void dispatchNullEvent(nsecs_t, PhysicalDisplayId) override;
-    void dispatchFrameRateOverrides(nsecs_t timestamp, PhysicalDisplayId displayId,
-                                    std::vector<FrameRateOverride> overrides) override;
-
-    void scheduleCallbacks();
-
-    ChoreographerFrameCallbackDataImpl createFrameCallbackData(nsecs_t timestamp) const;
-    void registerStartTime() const;
-
-    std::mutex mLock;
-    // Protected by mLock
-    std::priority_queue<FrameCallback> mFrameCallbacks;
-    std::vector<RefreshRateCallback> mRefreshRateCallbacks;
-
-    nsecs_t mLatestVsyncPeriod = -1;
-    VsyncEventData mLastVsyncEventData;
-    bool mInCallback = false;
-
-    const sp<Looper> mLooper;
-    const std::thread::id mThreadId;
-
-    // Approximation of num_threads_using_choreographer * num_frames_of_history with leeway.
-    static constexpr size_t kMaxStartTimes = 250;
-};
-
-static thread_local Choreographer* gChoreographer;
-Choreographer* Choreographer::getForThread() {
-    if (gChoreographer == nullptr) {
-        sp<Looper> looper = Looper::getForThread();
-        if (!looper.get()) {
-            ALOGW("No looper prepared for thread");
-            return nullptr;
-        }
-        gChoreographer = new Choreographer(looper);
-        status_t result = gChoreographer->initialize();
-        if (result != OK) {
-            ALOGW("Failed to initialize");
-            return nullptr;
-        }
-    }
-    return gChoreographer;
-}
-
-Choreographer::Choreographer(const sp<Looper>& looper)
-      : DisplayEventDispatcher(looper, ISurfaceComposer::VsyncSource::eVsyncSourceApp),
-        mLooper(looper),
-        mThreadId(std::this_thread::get_id()) {
-    std::lock_guard<std::mutex> _l(gChoreographers.lock);
-    gChoreographers.ptrs.push_back(this);
-}
-
-Choreographer::~Choreographer() {
-    std::lock_guard<std::mutex> _l(gChoreographers.lock);
-    gChoreographers.ptrs.erase(std::remove_if(gChoreographers.ptrs.begin(),
-                                              gChoreographers.ptrs.end(),
-                                              [=](Choreographer* c) { return c == this; }),
-                               gChoreographers.ptrs.end());
-    // Only poke DisplayManagerGlobal to unregister if we previously registered
-    // callbacks.
-    if (gChoreographers.ptrs.empty() && gChoreographers.registeredToDisplayManager) {
-        gChoreographers.registeredToDisplayManager = false;
-        JNIEnv* env = getJniEnv();
-        if (env == nullptr) {
-            ALOGW("JNI environment is unavailable, skipping choreographer cleanup");
-            return;
-        }
-        jobject dmg = env->CallStaticObjectMethod(gJni.displayManagerGlobal.clazz,
-                                                  gJni.displayManagerGlobal.getInstance);
-        if (dmg == nullptr) {
-            ALOGW("DMS is not initialized yet, skipping choreographer cleanup");
-        } else {
-            env->CallVoidMethod(dmg,
-                                gJni.displayManagerGlobal
-                                        .unregisterNativeChoreographerForRefreshRateCallbacks);
-            env->DeleteLocalRef(dmg);
-        }
-    }
-}
-
-void Choreographer::postFrameCallbackDelayed(AChoreographer_frameCallback cb,
-                                             AChoreographer_frameCallback64 cb64,
-                                             AChoreographer_vsyncCallback vsyncCallback, void* data,
-                                             nsecs_t delay) {
-    nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-    FrameCallback callback{cb, cb64, vsyncCallback, data, now + delay};
-    {
-        std::lock_guard<std::mutex> _l{mLock};
-        mFrameCallbacks.push(callback);
-    }
-    if (callback.dueTime <= now) {
-        if (std::this_thread::get_id() != mThreadId) {
-            if (mLooper != nullptr) {
-                Message m{MSG_SCHEDULE_VSYNC};
-                mLooper->sendMessage(this, m);
-            } else {
-                scheduleVsync();
-            }
-        } else {
-            scheduleVsync();
-        }
-    } else {
-        if (mLooper != nullptr) {
-            Message m{MSG_SCHEDULE_CALLBACKS};
-            mLooper->sendMessageDelayed(delay, this, m);
-        } else {
-            scheduleCallbacks();
-        }
-    }
-}
-
-void Choreographer::registerRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data) {
-    std::lock_guard<std::mutex> _l{mLock};
-    for (const auto& callback : mRefreshRateCallbacks) {
-        // Don't re-add callbacks.
-        if (cb == callback.callback && data == callback.data) {
-            return;
-        }
-    }
-    mRefreshRateCallbacks.emplace_back(
-            RefreshRateCallback{.callback = cb, .data = data, .firstCallbackFired = false});
-    bool needsRegistration = false;
-    {
-        std::lock_guard<std::mutex> _l2(gChoreographers.lock);
-        needsRegistration = !gChoreographers.registeredToDisplayManager;
-    }
-    if (needsRegistration) {
-        JNIEnv* env = getJniEnv();
-        if (env == nullptr) {
-            ALOGW("JNI environment is unavailable, skipping registration");
-            return;
-        }
-        jobject dmg = env->CallStaticObjectMethod(gJni.displayManagerGlobal.clazz,
-                                                  gJni.displayManagerGlobal.getInstance);
-        if (dmg == nullptr) {
-            ALOGW("DMS is not initialized yet: skipping registration");
-            return;
-        } else {
-            env->CallVoidMethod(dmg,
-                                gJni.displayManagerGlobal
-                                        .registerNativeChoreographerForRefreshRateCallbacks,
-                                reinterpret_cast<int64_t>(this));
-            env->DeleteLocalRef(dmg);
-            {
-                std::lock_guard<std::mutex> _l2(gChoreographers.lock);
-                gChoreographers.registeredToDisplayManager = true;
-            }
-        }
-    } else {
-        scheduleLatestConfigRequest();
-    }
-}
-
-void Choreographer::unregisterRefreshRateCallback(AChoreographer_refreshRateCallback cb,
-                                                  void* data) {
-    std::lock_guard<std::mutex> _l{mLock};
-    mRefreshRateCallbacks.erase(std::remove_if(mRefreshRateCallbacks.begin(),
-                                               mRefreshRateCallbacks.end(),
-                                               [&](const RefreshRateCallback& callback) {
-                                                   return cb == callback.callback &&
-                                                           data == callback.data;
-                                               }),
-                                mRefreshRateCallbacks.end());
-}
-
-void Choreographer::scheduleLatestConfigRequest() {
-    if (mLooper != nullptr) {
-        Message m{MSG_HANDLE_REFRESH_RATE_UPDATES};
-        mLooper->sendMessage(this, m);
-    } else {
-        // If the looper thread is detached from Choreographer, then refresh rate
-        // changes will be handled in AChoreographer_handlePendingEvents, so we
-        // need to wake up the looper thread by writing to the write-end of the
-        // socket the looper is listening on.
-        // Fortunately, these events are small so sending packets across the
-        // socket should be atomic across processes.
-        DisplayEventReceiver::Event event;
-        event.header =
-                DisplayEventReceiver::Event::Header{DisplayEventReceiver::DISPLAY_EVENT_NULL,
-                                                    PhysicalDisplayId::fromPort(0), systemTime()};
-        injectEvent(event);
-    }
-}
-
-void Choreographer::scheduleCallbacks() {
-    const nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-    nsecs_t dueTime;
-    {
-        std::lock_guard<std::mutex> _l{mLock};
-        // If there are no pending callbacks then don't schedule a vsync
-        if (mFrameCallbacks.empty()) {
-            return;
-        }
-        dueTime = mFrameCallbacks.top().dueTime;
-    }
-
-    if (dueTime <= now) {
-        ALOGV("choreographer %p ~ scheduling vsync", this);
-        scheduleVsync();
-        return;
-    }
-}
-
-void Choreographer::handleRefreshRateUpdates() {
-    std::vector<RefreshRateCallback> callbacks{};
-    const nsecs_t pendingPeriod = gChoreographers.mLastKnownVsync.load();
-    const nsecs_t lastPeriod = mLatestVsyncPeriod;
-    if (pendingPeriod > 0) {
-        mLatestVsyncPeriod = pendingPeriod;
-    }
-    {
-        std::lock_guard<std::mutex> _l{mLock};
-        for (auto& cb : mRefreshRateCallbacks) {
-            callbacks.push_back(cb);
-            cb.firstCallbackFired = true;
-        }
-    }
-
-    for (auto& cb : callbacks) {
-        if (!cb.firstCallbackFired || (pendingPeriod > 0 && pendingPeriod != lastPeriod)) {
-            cb.callback(pendingPeriod, cb.data);
-        }
-    }
-}
-
-// TODO(b/74619554): The PhysicalDisplayId is ignored because SF only emits VSYNC events for the
-// internal display and DisplayEventReceiver::requestNextVsync only allows requesting VSYNC for
-// the internal display implicitly.
-void Choreographer::dispatchVsync(nsecs_t timestamp, PhysicalDisplayId, uint32_t,
-                                  VsyncEventData vsyncEventData) {
-    std::vector<FrameCallback> callbacks{};
-    {
-        std::lock_guard<std::mutex> _l{mLock};
-        nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-        while (!mFrameCallbacks.empty() && mFrameCallbacks.top().dueTime < now) {
-            callbacks.push_back(mFrameCallbacks.top());
-            mFrameCallbacks.pop();
-        }
-    }
-    mLastVsyncEventData = vsyncEventData;
-    for (const auto& cb : callbacks) {
-        if (cb.vsyncCallback != nullptr) {
-            const ChoreographerFrameCallbackDataImpl frameCallbackData =
-                    createFrameCallbackData(timestamp);
-            registerStartTime();
-            mInCallback = true;
-            cb.vsyncCallback(reinterpret_cast<const AChoreographerFrameCallbackData*>(
-                                     &frameCallbackData),
-                             cb.data);
-            mInCallback = false;
-        } else if (cb.callback64 != nullptr) {
-            cb.callback64(timestamp, cb.data);
-        } else if (cb.callback != nullptr) {
-            cb.callback(timestamp, cb.data);
-        }
-    }
-}
-
-void Choreographer::dispatchHotplug(nsecs_t, PhysicalDisplayId displayId, bool connected) {
-    ALOGV("choreographer %p ~ received hotplug event (displayId=%s, connected=%s), ignoring.", this,
-          to_string(displayId).c_str(), toString(connected));
-}
-
-void Choreographer::dispatchModeChanged(nsecs_t, PhysicalDisplayId, int32_t, nsecs_t) {
-    LOG_ALWAYS_FATAL("dispatchModeChanged was called but was never registered");
-}
-
-void Choreographer::dispatchFrameRateOverrides(nsecs_t, PhysicalDisplayId,
-                                               std::vector<FrameRateOverride>) {
-    LOG_ALWAYS_FATAL("dispatchFrameRateOverrides was called but was never registered");
-}
-
-void Choreographer::dispatchNullEvent(nsecs_t, PhysicalDisplayId) {
-    ALOGV("choreographer %p ~ received null event.", this);
-    handleRefreshRateUpdates();
-}
-
-void Choreographer::handleMessage(const Message& message) {
-    switch (message.what) {
-        case MSG_SCHEDULE_CALLBACKS:
-            scheduleCallbacks();
-            break;
-        case MSG_SCHEDULE_VSYNC:
-            scheduleVsync();
-            break;
-        case MSG_HANDLE_REFRESH_RATE_UPDATES:
-            handleRefreshRateUpdates();
-            break;
-    }
-}
-
-int64_t Choreographer::getFrameInterval() const {
-    return mLastVsyncEventData.frameInterval;
-}
-
-bool Choreographer::inCallback() const {
-    return mInCallback;
-}
-
-ChoreographerFrameCallbackDataImpl Choreographer::createFrameCallbackData(nsecs_t timestamp) const {
-    return {.frameTimeNanos = timestamp,
-            .vsyncEventData = mLastVsyncEventData,
-            .choreographer = this};
-}
-
-void Choreographer::registerStartTime() const {
-    std::scoped_lock _l(gChoreographers.lock);
-    for (VsyncEventData::FrameTimeline frameTimeline : mLastVsyncEventData.frameTimelines) {
-        while (gChoreographers.startTimes.size() >= kMaxStartTimes) {
-            gChoreographers.startTimes.erase(gChoreographers.startTimes.begin());
-        }
-        gChoreographers.startTimes[frameTimeline.vsyncId] = systemTime(SYSTEM_TIME_MONOTONIC);
-    }
-}
+#undef LOG_TAG
+#define LOG_TAG "AChoreographer"
 
-} // namespace android
 using namespace android;
 
 static inline Choreographer* AChoreographer_to_Choreographer(AChoreographer* choreographer) {
@@ -488,27 +50,12 @@ AChoreographerFrameCallbackData_to_ChoreographerFrameCallbackDataImpl(
 
 // Glue for private C api
 namespace android {
-void AChoreographer_signalRefreshRateCallbacks(nsecs_t vsyncPeriod) EXCLUDES(gChoreographers.lock) {
-    std::lock_guard<std::mutex> _l(gChoreographers.lock);
-    gChoreographers.mLastKnownVsync.store(vsyncPeriod);
-    for (auto c : gChoreographers.ptrs) {
-        c->scheduleLatestConfigRequest();
-    }
+void AChoreographer_signalRefreshRateCallbacks(nsecs_t vsyncPeriod) {
+    Choreographer::signalRefreshRateCallbacks(vsyncPeriod);
 }
 
 void AChoreographer_initJVM(JNIEnv* env) {
-    env->GetJavaVM(&gJni.jvm);
-    // Now we need to find the java classes.
-    jclass dmgClass = env->FindClass("android/hardware/display/DisplayManagerGlobal");
-    gJni.displayManagerGlobal.clazz = static_cast<jclass>(env->NewGlobalRef(dmgClass));
-    gJni.displayManagerGlobal.getInstance =
-            env->GetStaticMethodID(dmgClass, "getInstance",
-                                   "()Landroid/hardware/display/DisplayManagerGlobal;");
-    gJni.displayManagerGlobal.registerNativeChoreographerForRefreshRateCallbacks =
-            env->GetMethodID(dmgClass, "registerNativeChoreographerForRefreshRateCallbacks", "()V");
-    gJni.displayManagerGlobal.unregisterNativeChoreographerForRefreshRateCallbacks =
-            env->GetMethodID(dmgClass, "unregisterNativeChoreographerForRefreshRateCallbacks",
-                             "()V");
+    Choreographer::initJVM(env);
 }
 
 AChoreographer* AChoreographer_routeGetInstance() {
@@ -583,13 +130,7 @@ int64_t AChoreographer_getFrameInterval(const AChoreographer* choreographer) {
 }
 
 int64_t AChoreographer_getStartTimeNanosForVsyncId(AVsyncId vsyncId) {
-    std::scoped_lock _l(gChoreographers.lock);
-    const auto iter = gChoreographers.startTimes.find(vsyncId);
-    if (iter == gChoreographers.startTimes.end()) {
-        ALOGW("Start time was not found for vsync id: %" PRId64, vsyncId);
-        return 0;
-    }
-    return iter->second;
+    return Choreographer::getStartTimeNanosForVsyncId(vsyncId);
 }
 
 } // namespace android
diff --git a/libs/nativedisplay/ADisplay.cpp b/libs/nativedisplay/ADisplay.cpp
index 76b85d6002..bf0805b46c 100644
--- a/libs/nativedisplay/ADisplay.cpp
+++ b/libs/nativedisplay/ADisplay.cpp
@@ -117,15 +117,6 @@ using namespace android::display::impl;
 #define CHECK_NOT_NULL(name) \
     LOG_ALWAYS_FATAL_IF(name == nullptr, "nullptr passed as " #name " argument");
 
-namespace {
-
-sp<IBinder> getToken(ADisplay* display) {
-    DisplayImpl* impl = reinterpret_cast<DisplayImpl*>(display);
-    return SurfaceComposerClient::getPhysicalDisplayToken(impl->id);
-}
-
-} // namespace
-
 namespace android {
 
 int ADisplay_acquirePhysicalDisplays(ADisplay*** outDisplays) {
@@ -136,19 +127,20 @@ int ADisplay_acquirePhysicalDisplays(ADisplay*** outDisplays) {
     }
 
     std::vector<DisplayConfigImpl> modesPerDisplay[size];
+    ui::DisplayConnectionType displayConnectionTypes[size];
     int numModes = 0;
     for (int i = 0; i < size; ++i) {
-        const sp<IBinder> token = SurfaceComposerClient::getPhysicalDisplayToken(ids[i]);
-
         ui::StaticDisplayInfo staticInfo;
-        if (const status_t status = SurfaceComposerClient::getStaticDisplayInfo(token, &staticInfo);
+        if (const status_t status =
+                    SurfaceComposerClient::getStaticDisplayInfo(ids[i].value, &staticInfo);
             status != OK) {
             return status;
         }
+        displayConnectionTypes[i] = staticInfo.connectionType;
 
         ui::DynamicDisplayInfo dynamicInfo;
         if (const status_t status =
-                    SurfaceComposerClient::getDynamicDisplayInfo(token, &dynamicInfo);
+                    SurfaceComposerClient::getDynamicDisplayInfoFromId(ids[i].value, &dynamicInfo);
             status != OK) {
             return status;
         }
@@ -168,8 +160,6 @@ int ADisplay_acquirePhysicalDisplays(ADisplay*** outDisplays) {
         }
     }
 
-    const std::optional<PhysicalDisplayId> internalId =
-            SurfaceComposerClient::getInternalDisplayId();
     ui::Dataspace defaultDataspace;
     ui::PixelFormat defaultPixelFormat;
     ui::Dataspace wcgDataspace;
@@ -201,8 +191,9 @@ int ADisplay_acquirePhysicalDisplays(ADisplay*** outDisplays) {
 
     for (size_t i = 0; i < size; ++i) {
         const PhysicalDisplayId id = ids[i];
-        const ADisplayType type = (internalId == id) ? ADisplayType::DISPLAY_TYPE_INTERNAL
-                                                     : ADisplayType::DISPLAY_TYPE_EXTERNAL;
+        const ADisplayType type = (displayConnectionTypes[i] == ui::DisplayConnectionType::Internal)
+                ? ADisplayType::DISPLAY_TYPE_INTERNAL
+                : ADisplayType::DISPLAY_TYPE_EXTERNAL;
         const std::vector<DisplayConfigImpl>& configs = modesPerDisplay[i];
         memcpy(configData, configs.data(), sizeof(DisplayConfigImpl) * configs.size());
 
@@ -259,14 +250,15 @@ void ADisplay_getPreferredWideColorFormat(ADisplay* display, ADataSpace* outData
 int ADisplay_getCurrentConfig(ADisplay* display, ADisplayConfig** outConfig) {
     CHECK_NOT_NULL(display);
 
-    sp<IBinder> token = getToken(display);
     ui::DynamicDisplayInfo info;
-    if (const auto status = SurfaceComposerClient::getDynamicDisplayInfo(token, &info);
+    DisplayImpl* impl = reinterpret_cast<DisplayImpl*>(display);
+
+    if (const auto status =
+                SurfaceComposerClient::getDynamicDisplayInfoFromId(impl->id.value, &info);
         status != OK) {
         return status;
     }
 
-    DisplayImpl* impl = reinterpret_cast<DisplayImpl*>(display);
     for (size_t i = 0; i < impl->numConfigs; i++) {
         auto* config = impl->configs + i;
         if (config->id == info.activeDisplayModeId) {
diff --git a/libs/nativedisplay/Android.bp b/libs/nativedisplay/Android.bp
index 4659b96b11..70de33da12 100644
--- a/libs/nativedisplay/Android.bp
+++ b/libs/nativedisplay/Android.bp
@@ -53,8 +53,10 @@ cc_library_shared {
     version_script: "libnativedisplay.map.txt",
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "AChoreographer.cpp",
         "ADisplay.cpp",
+        "Choreographer.cpp",
         "surfacetexture/surface_texture.cpp",
         "surfacetexture/SurfaceTexture.cpp",
         "surfacetexture/ImageConsumer.cpp",
diff --git a/libs/nativedisplay/Choreographer.cpp b/libs/nativedisplay/Choreographer.cpp
new file mode 100644
index 0000000000..01e9f04d15
--- /dev/null
+++ b/libs/nativedisplay/Choreographer.cpp
@@ -0,0 +1,390 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+
+#include <jni.h>
+#include <nativedisplay/Choreographer.h>
+
+#undef LOG_TAG
+#define LOG_TAG "AChoreographer"
+
+namespace {
+struct {
+    // Global JVM that is provided by zygote
+    JavaVM* jvm = nullptr;
+    struct {
+        jclass clazz;
+        jmethodID getInstance;
+        jmethodID registerNativeChoreographerForRefreshRateCallbacks;
+        jmethodID unregisterNativeChoreographerForRefreshRateCallbacks;
+    } displayManagerGlobal;
+} gJni;
+
+// Gets the JNIEnv* for this thread, and performs one-off initialization if we
+// have never retrieved a JNIEnv* pointer before.
+JNIEnv* getJniEnv() {
+    if (gJni.jvm == nullptr) {
+        ALOGW("AChoreographer: No JVM provided!");
+        return nullptr;
+    }
+
+    JNIEnv* env = nullptr;
+    if (gJni.jvm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK) {
+        ALOGD("Attaching thread to JVM for AChoreographer");
+        JavaVMAttachArgs args = {JNI_VERSION_1_4, "AChoreographer_env", NULL};
+        jint attachResult = gJni.jvm->AttachCurrentThreadAsDaemon(&env, (void*)&args);
+        if (attachResult != JNI_OK) {
+            ALOGE("Unable to attach thread. Error: %d", attachResult);
+            return nullptr;
+        }
+    }
+    if (env == nullptr) {
+        ALOGW("AChoreographer: No JNI env available!");
+    }
+    return env;
+}
+
+inline const char* toString(bool value) {
+    return value ? "true" : "false";
+}
+} // namespace
+
+namespace android {
+
+Choreographer::Context Choreographer::gChoreographers;
+
+static thread_local Choreographer* gChoreographer;
+
+void Choreographer::initJVM(JNIEnv* env) {
+    env->GetJavaVM(&gJni.jvm);
+    // Now we need to find the java classes.
+    jclass dmgClass = env->FindClass("android/hardware/display/DisplayManagerGlobal");
+    gJni.displayManagerGlobal.clazz = static_cast<jclass>(env->NewGlobalRef(dmgClass));
+    gJni.displayManagerGlobal.getInstance =
+            env->GetStaticMethodID(dmgClass, "getInstance",
+                                   "()Landroid/hardware/display/DisplayManagerGlobal;");
+    gJni.displayManagerGlobal.registerNativeChoreographerForRefreshRateCallbacks =
+            env->GetMethodID(dmgClass, "registerNativeChoreographerForRefreshRateCallbacks", "()V");
+    gJni.displayManagerGlobal.unregisterNativeChoreographerForRefreshRateCallbacks =
+            env->GetMethodID(dmgClass, "unregisterNativeChoreographerForRefreshRateCallbacks",
+                             "()V");
+}
+
+Choreographer* Choreographer::getForThread() {
+    if (gChoreographer == nullptr) {
+        sp<Looper> looper = Looper::getForThread();
+        if (!looper.get()) {
+            ALOGW("No looper prepared for thread");
+            return nullptr;
+        }
+        gChoreographer = new Choreographer(looper);
+        status_t result = gChoreographer->initialize();
+        if (result != OK) {
+            ALOGW("Failed to initialize");
+            return nullptr;
+        }
+    }
+    return gChoreographer;
+}
+
+Choreographer::Choreographer(const sp<Looper>& looper)
+      : DisplayEventDispatcher(looper, gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp),
+        mLooper(looper),
+        mThreadId(std::this_thread::get_id()) {
+    std::lock_guard<std::mutex> _l(gChoreographers.lock);
+    gChoreographers.ptrs.push_back(this);
+}
+
+Choreographer::~Choreographer() {
+    std::lock_guard<std::mutex> _l(gChoreographers.lock);
+    gChoreographers.ptrs.erase(std::remove_if(gChoreographers.ptrs.begin(),
+                                              gChoreographers.ptrs.end(),
+                                              [=](Choreographer* c) { return c == this; }),
+                               gChoreographers.ptrs.end());
+    // Only poke DisplayManagerGlobal to unregister if we previously registered
+    // callbacks.
+    if (gChoreographers.ptrs.empty() && gChoreographers.registeredToDisplayManager) {
+        gChoreographers.registeredToDisplayManager = false;
+        JNIEnv* env = getJniEnv();
+        if (env == nullptr) {
+            ALOGW("JNI environment is unavailable, skipping choreographer cleanup");
+            return;
+        }
+        jobject dmg = env->CallStaticObjectMethod(gJni.displayManagerGlobal.clazz,
+                                                  gJni.displayManagerGlobal.getInstance);
+        if (dmg == nullptr) {
+            ALOGW("DMS is not initialized yet, skipping choreographer cleanup");
+        } else {
+            env->CallVoidMethod(dmg,
+                                gJni.displayManagerGlobal
+                                        .unregisterNativeChoreographerForRefreshRateCallbacks);
+            env->DeleteLocalRef(dmg);
+        }
+    }
+}
+
+void Choreographer::postFrameCallbackDelayed(AChoreographer_frameCallback cb,
+                                             AChoreographer_frameCallback64 cb64,
+                                             AChoreographer_vsyncCallback vsyncCallback, void* data,
+                                             nsecs_t delay) {
+    nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+    FrameCallback callback{cb, cb64, vsyncCallback, data, now + delay};
+    {
+        std::lock_guard<std::mutex> _l{mLock};
+        mFrameCallbacks.push(callback);
+    }
+    if (callback.dueTime <= now) {
+        if (std::this_thread::get_id() != mThreadId) {
+            if (mLooper != nullptr) {
+                Message m{MSG_SCHEDULE_VSYNC};
+                mLooper->sendMessage(this, m);
+            } else {
+                scheduleVsync();
+            }
+        } else {
+            scheduleVsync();
+        }
+    } else {
+        if (mLooper != nullptr) {
+            Message m{MSG_SCHEDULE_CALLBACKS};
+            mLooper->sendMessageDelayed(delay, this, m);
+        } else {
+            scheduleCallbacks();
+        }
+    }
+}
+
+void Choreographer::registerRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data) {
+    std::lock_guard<std::mutex> _l{mLock};
+    for (const auto& callback : mRefreshRateCallbacks) {
+        // Don't re-add callbacks.
+        if (cb == callback.callback && data == callback.data) {
+            return;
+        }
+    }
+    mRefreshRateCallbacks.emplace_back(
+            RefreshRateCallback{.callback = cb, .data = data, .firstCallbackFired = false});
+    bool needsRegistration = false;
+    {
+        std::lock_guard<std::mutex> _l2(gChoreographers.lock);
+        needsRegistration = !gChoreographers.registeredToDisplayManager;
+    }
+    if (needsRegistration) {
+        JNIEnv* env = getJniEnv();
+        if (env == nullptr) {
+            ALOGW("JNI environment is unavailable, skipping registration");
+            return;
+        }
+        jobject dmg = env->CallStaticObjectMethod(gJni.displayManagerGlobal.clazz,
+                                                  gJni.displayManagerGlobal.getInstance);
+        if (dmg == nullptr) {
+            ALOGW("DMS is not initialized yet: skipping registration");
+            return;
+        } else {
+            env->CallVoidMethod(dmg,
+                                gJni.displayManagerGlobal
+                                        .registerNativeChoreographerForRefreshRateCallbacks,
+                                reinterpret_cast<int64_t>(this));
+            env->DeleteLocalRef(dmg);
+            {
+                std::lock_guard<std::mutex> _l2(gChoreographers.lock);
+                gChoreographers.registeredToDisplayManager = true;
+            }
+        }
+    } else {
+        scheduleLatestConfigRequest();
+    }
+}
+
+void Choreographer::unregisterRefreshRateCallback(AChoreographer_refreshRateCallback cb,
+                                                  void* data) {
+    std::lock_guard<std::mutex> _l{mLock};
+    mRefreshRateCallbacks.erase(std::remove_if(mRefreshRateCallbacks.begin(),
+                                               mRefreshRateCallbacks.end(),
+                                               [&](const RefreshRateCallback& callback) {
+                                                   return cb == callback.callback &&
+                                                           data == callback.data;
+                                               }),
+                                mRefreshRateCallbacks.end());
+}
+
+void Choreographer::scheduleLatestConfigRequest() {
+    if (mLooper != nullptr) {
+        Message m{MSG_HANDLE_REFRESH_RATE_UPDATES};
+        mLooper->sendMessage(this, m);
+    } else {
+        // If the looper thread is detached from Choreographer, then refresh rate
+        // changes will be handled in AChoreographer_handlePendingEvents, so we
+        // need to wake up the looper thread by writing to the write-end of the
+        // socket the looper is listening on.
+        // Fortunately, these events are small so sending packets across the
+        // socket should be atomic across processes.
+        DisplayEventReceiver::Event event;
+        event.header =
+                DisplayEventReceiver::Event::Header{DisplayEventReceiver::DISPLAY_EVENT_NULL,
+                                                    PhysicalDisplayId::fromPort(0), systemTime()};
+        injectEvent(event);
+    }
+}
+
+void Choreographer::scheduleCallbacks() {
+    const nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+    nsecs_t dueTime;
+    {
+        std::lock_guard<std::mutex> _l{mLock};
+        // If there are no pending callbacks then don't schedule a vsync
+        if (mFrameCallbacks.empty()) {
+            return;
+        }
+        dueTime = mFrameCallbacks.top().dueTime;
+    }
+
+    if (dueTime <= now) {
+        ALOGV("choreographer %p ~ scheduling vsync", this);
+        scheduleVsync();
+        return;
+    }
+}
+
+void Choreographer::handleRefreshRateUpdates() {
+    std::vector<RefreshRateCallback> callbacks{};
+    const nsecs_t pendingPeriod = gChoreographers.mLastKnownVsync.load();
+    const nsecs_t lastPeriod = mLatestVsyncPeriod;
+    if (pendingPeriod > 0) {
+        mLatestVsyncPeriod = pendingPeriod;
+    }
+    {
+        std::lock_guard<std::mutex> _l{mLock};
+        for (auto& cb : mRefreshRateCallbacks) {
+            callbacks.push_back(cb);
+            cb.firstCallbackFired = true;
+        }
+    }
+
+    for (auto& cb : callbacks) {
+        if (!cb.firstCallbackFired || (pendingPeriod > 0 && pendingPeriod != lastPeriod)) {
+            cb.callback(pendingPeriod, cb.data);
+        }
+    }
+}
+
+void Choreographer::dispatchVsync(nsecs_t timestamp, PhysicalDisplayId, uint32_t,
+                                  VsyncEventData vsyncEventData) {
+    std::vector<FrameCallback> callbacks{};
+    {
+        std::lock_guard<std::mutex> _l{mLock};
+        nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+        while (!mFrameCallbacks.empty() && mFrameCallbacks.top().dueTime < now) {
+            callbacks.push_back(mFrameCallbacks.top());
+            mFrameCallbacks.pop();
+        }
+    }
+    mLastVsyncEventData = vsyncEventData;
+    for (const auto& cb : callbacks) {
+        if (cb.vsyncCallback != nullptr) {
+            const ChoreographerFrameCallbackDataImpl frameCallbackData =
+                    createFrameCallbackData(timestamp);
+            registerStartTime();
+            mInCallback = true;
+            cb.vsyncCallback(reinterpret_cast<const AChoreographerFrameCallbackData*>(
+                                     &frameCallbackData),
+                             cb.data);
+            mInCallback = false;
+        } else if (cb.callback64 != nullptr) {
+            cb.callback64(timestamp, cb.data);
+        } else if (cb.callback != nullptr) {
+            cb.callback(timestamp, cb.data);
+        }
+    }
+}
+
+void Choreographer::dispatchHotplug(nsecs_t, PhysicalDisplayId displayId, bool connected) {
+    ALOGV("choreographer %p ~ received hotplug event (displayId=%s, connected=%s), ignoring.", this,
+          to_string(displayId).c_str(), toString(connected));
+}
+
+void Choreographer::dispatchModeChanged(nsecs_t, PhysicalDisplayId, int32_t, nsecs_t) {
+    LOG_ALWAYS_FATAL("dispatchModeChanged was called but was never registered");
+}
+
+void Choreographer::dispatchFrameRateOverrides(nsecs_t, PhysicalDisplayId,
+                                               std::vector<FrameRateOverride>) {
+    LOG_ALWAYS_FATAL("dispatchFrameRateOverrides was called but was never registered");
+}
+
+void Choreographer::dispatchNullEvent(nsecs_t, PhysicalDisplayId) {
+    ALOGV("choreographer %p ~ received null event.", this);
+    handleRefreshRateUpdates();
+}
+
+void Choreographer::handleMessage(const Message& message) {
+    switch (message.what) {
+        case MSG_SCHEDULE_CALLBACKS:
+            scheduleCallbacks();
+            break;
+        case MSG_SCHEDULE_VSYNC:
+            scheduleVsync();
+            break;
+        case MSG_HANDLE_REFRESH_RATE_UPDATES:
+            handleRefreshRateUpdates();
+            break;
+    }
+}
+
+int64_t Choreographer::getFrameInterval() const {
+    return mLastVsyncEventData.frameInterval;
+}
+
+bool Choreographer::inCallback() const {
+    return mInCallback;
+}
+
+ChoreographerFrameCallbackDataImpl Choreographer::createFrameCallbackData(nsecs_t timestamp) const {
+    return {.frameTimeNanos = timestamp,
+            .vsyncEventData = mLastVsyncEventData,
+            .choreographer = this};
+}
+
+void Choreographer::registerStartTime() const {
+    std::scoped_lock _l(gChoreographers.lock);
+    for (VsyncEventData::FrameTimeline frameTimeline : mLastVsyncEventData.frameTimelines) {
+        while (gChoreographers.startTimes.size() >= kMaxStartTimes) {
+            gChoreographers.startTimes.erase(gChoreographers.startTimes.begin());
+        }
+        gChoreographers.startTimes[frameTimeline.vsyncId] = systemTime(SYSTEM_TIME_MONOTONIC);
+    }
+}
+
+void Choreographer::signalRefreshRateCallbacks(nsecs_t vsyncPeriod) {
+    std::lock_guard<std::mutex> _l(gChoreographers.lock);
+    gChoreographers.mLastKnownVsync.store(vsyncPeriod);
+    for (auto c : gChoreographers.ptrs) {
+        c->scheduleLatestConfigRequest();
+    }
+}
+
+int64_t Choreographer::getStartTimeNanosForVsyncId(AVsyncId vsyncId) {
+    std::scoped_lock _l(gChoreographers.lock);
+    const auto iter = gChoreographers.startTimes.find(vsyncId);
+    if (iter == gChoreographers.startTimes.end()) {
+        ALOGW("Start time was not found for vsync id: %" PRId64, vsyncId);
+        return 0;
+    }
+    return iter->second;
+}
+
+} // namespace android
\ No newline at end of file
diff --git a/libs/nativedisplay/include/nativedisplay/Choreographer.h b/libs/nativedisplay/include/nativedisplay/Choreographer.h
new file mode 100644
index 0000000000..bb63f291f9
--- /dev/null
+++ b/libs/nativedisplay/include/nativedisplay/Choreographer.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <gui/DisplayEventDispatcher.h>
+#include <private/android/choreographer.h>
+#include <utils/Looper.h>
+
+#include <mutex>
+#include <queue>
+#include <thread>
+
+namespace android {
+using gui::VsyncEventData;
+
+struct FrameCallback {
+    AChoreographer_frameCallback callback;
+    AChoreographer_frameCallback64 callback64;
+    AChoreographer_vsyncCallback vsyncCallback;
+    void* data;
+    nsecs_t dueTime;
+
+    inline bool operator<(const FrameCallback& rhs) const {
+        // Note that this is intentionally flipped because we want callbacks due sooner to be at
+        // the head of the queue
+        return dueTime > rhs.dueTime;
+    }
+};
+
+struct RefreshRateCallback {
+    AChoreographer_refreshRateCallback callback;
+    void* data;
+    bool firstCallbackFired = false;
+};
+
+class Choreographer;
+
+/**
+ * Implementation of AChoreographerFrameCallbackData.
+ */
+struct ChoreographerFrameCallbackDataImpl {
+    int64_t frameTimeNanos{0};
+
+    VsyncEventData vsyncEventData;
+
+    const Choreographer* choreographer;
+};
+
+class Choreographer : public DisplayEventDispatcher, public MessageHandler {
+public:
+    struct Context {
+        std::mutex lock;
+        std::vector<Choreographer*> ptrs GUARDED_BY(lock);
+        std::map<AVsyncId, int64_t> startTimes GUARDED_BY(lock);
+        bool registeredToDisplayManager GUARDED_BY(lock) = false;
+
+        std::atomic<nsecs_t> mLastKnownVsync = -1;
+    };
+    static Context gChoreographers;
+
+    explicit Choreographer(const sp<Looper>& looper) EXCLUDES(gChoreographers.lock);
+    void postFrameCallbackDelayed(AChoreographer_frameCallback cb,
+                                  AChoreographer_frameCallback64 cb64,
+                                  AChoreographer_vsyncCallback vsyncCallback, void* data,
+                                  nsecs_t delay);
+    void registerRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data)
+            EXCLUDES(gChoreographers.lock);
+    void unregisterRefreshRateCallback(AChoreographer_refreshRateCallback cb, void* data);
+    // Drains the queue of pending vsync periods and dispatches refresh rate
+    // updates to callbacks.
+    // The assumption is that this method is only called on a single
+    // processing thread, either by looper or by AChoreographer_handleEvents
+    void handleRefreshRateUpdates();
+    void scheduleLatestConfigRequest();
+
+    enum {
+        MSG_SCHEDULE_CALLBACKS = 0,
+        MSG_SCHEDULE_VSYNC = 1,
+        MSG_HANDLE_REFRESH_RATE_UPDATES = 2,
+    };
+    virtual void handleMessage(const Message& message) override;
+
+    static void initJVM(JNIEnv* env);
+    static Choreographer* getForThread();
+    static void signalRefreshRateCallbacks(nsecs_t vsyncPeriod) EXCLUDES(gChoreographers.lock);
+    static int64_t getStartTimeNanosForVsyncId(AVsyncId vsyncId) EXCLUDES(gChoreographers.lock);
+    virtual ~Choreographer() override EXCLUDES(gChoreographers.lock);
+    int64_t getFrameInterval() const;
+    bool inCallback() const;
+
+private:
+    Choreographer(const Choreographer&) = delete;
+
+    void dispatchVsync(nsecs_t timestamp, PhysicalDisplayId displayId, uint32_t count,
+                       VsyncEventData vsyncEventData) override;
+    void dispatchHotplug(nsecs_t timestamp, PhysicalDisplayId displayId, bool connected) override;
+    void dispatchModeChanged(nsecs_t timestamp, PhysicalDisplayId displayId, int32_t modeId,
+                             nsecs_t vsyncPeriod) override;
+    void dispatchNullEvent(nsecs_t, PhysicalDisplayId) override;
+    void dispatchFrameRateOverrides(nsecs_t timestamp, PhysicalDisplayId displayId,
+                                    std::vector<FrameRateOverride> overrides) override;
+
+    void scheduleCallbacks();
+
+    ChoreographerFrameCallbackDataImpl createFrameCallbackData(nsecs_t timestamp) const;
+    void registerStartTime() const;
+
+    std::mutex mLock;
+    // Protected by mLock
+    std::priority_queue<FrameCallback> mFrameCallbacks;
+    std::vector<RefreshRateCallback> mRefreshRateCallbacks;
+
+    nsecs_t mLatestVsyncPeriod = -1;
+    VsyncEventData mLastVsyncEventData;
+    bool mInCallback = false;
+
+    const sp<Looper> mLooper;
+    const std::thread::id mThreadId;
+
+    // Approximation of num_threads_using_choreographer * num_frames_of_history with leeway.
+    static constexpr size_t kMaxStartTimes = 250;
+};
+
+} // namespace android
\ No newline at end of file
diff --git a/libs/nativedisplay/libnativedisplay.map.txt b/libs/nativedisplay/libnativedisplay.map.txt
index 969d9379f0..9172d5ed13 100644
--- a/libs/nativedisplay/libnativedisplay.map.txt
+++ b/libs/nativedisplay/libnativedisplay.map.txt
@@ -1,25 +1,25 @@
 LIBNATIVEDISPLAY {
   global:
-    AChoreographer_getInstance; # apex # introduced=30
-    AChoreographer_postFrameCallback; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed; # apex # introduced=30
-    AChoreographer_postFrameCallback64; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed64; # apex # introduced=30
-    AChoreographer_registerRefreshRateCallback; # apex # introduced=30
-    AChoreographer_unregisterRefreshRateCallback; # apex # introduced=30
-    AChoreographer_postVsyncCallback; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelinesLength; # apex # introduced=33
-    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # apex # introduced=33
-    AChoreographer_create; # apex # introduced=30
-    AChoreographer_destroy; # apex # introduced=30
-    AChoreographer_getFd; # apex # introduced=30
-    AChoreographer_handlePendingEvents; # apex # introduced=30
-    ASurfaceTexture_fromSurfaceTexture; # apex # introduced=30
-    ASurfaceTexture_release; # apex # introduced=30
+    AChoreographer_getInstance; # systemapi # introduced=30
+    AChoreographer_postFrameCallback; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed; # systemapi # introduced=30
+    AChoreographer_postFrameCallback64; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed64; # systemapi # introduced=30
+    AChoreographer_registerRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_unregisterRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_postVsyncCallback; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelinesLength; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # systemapi # introduced=33
+    AChoreographer_create; # systemapi # introduced=30
+    AChoreographer_destroy; # systemapi # introduced=30
+    AChoreographer_getFd; # systemapi # introduced=30
+    AChoreographer_handlePendingEvents; # systemapi # introduced=30
+    ASurfaceTexture_fromSurfaceTexture; # systemapi # introduced=30
+    ASurfaceTexture_release; # systemapi # introduced=30
   local:
     *;
 };
diff --git a/libs/nativewindow/AHardwareBuffer.cpp b/libs/nativewindow/AHardwareBuffer.cpp
index 4a1784ea0b..bbafbffae0 100644
--- a/libs/nativewindow/AHardwareBuffer.cpp
+++ b/libs/nativewindow/AHardwareBuffer.cpp
@@ -16,6 +16,8 @@
 
 #define LOG_TAG "AHardwareBuffer"
 
+#include <android/hardware_buffer.h>
+#include <android/hardware_buffer_aidl.h>
 #include <vndk/hardware_buffer.h>
 
 #include <errno.h>
@@ -32,6 +34,9 @@
 #include <android/hardware/graphics/common/1.1/types.h>
 #include <aidl/android/hardware/graphics/common/PixelFormat.h>
 
+// TODO: Better way to handle this
+#include "../binder/ndk/parcel_internal.h"
+
 static constexpr int kFdBufferSize = 128 * sizeof(int);  // 128 ints
 
 using namespace android;
@@ -357,12 +362,12 @@ int AHardwareBuffer_recvHandleFromUnixSocket(int socketFd, AHardwareBuffer** out
         return INVALID_OPERATION;
     }
 
-    GraphicBuffer* gBuffer = new GraphicBuffer();
+    sp<GraphicBuffer> gBuffer(new GraphicBuffer());
     status_t err = gBuffer->unflatten(data, dataLen, fdData, fdCount);
     if (err != NO_ERROR) {
         return err;
     }
-    *outBuffer = AHardwareBuffer_from_GraphicBuffer(gBuffer);
+    *outBuffer = AHardwareBuffer_from_GraphicBuffer(gBuffer.get());
     // Ensure the buffer has a positive ref-count.
     AHardwareBuffer_acquire(*outBuffer);
 
@@ -412,6 +417,25 @@ int AHardwareBuffer_getId(const AHardwareBuffer* buffer, uint64_t* outId) {
     return OK;
 }
 
+binder_status_t AHardwareBuffer_readFromParcel(const AParcel* _Nonnull parcel,
+        AHardwareBuffer* _Nullable* _Nonnull outBuffer) {
+    if (!parcel || !outBuffer) return STATUS_BAD_VALUE;
+    auto buffer = sp<GraphicBuffer>::make();
+    status_t status = parcel->get()->read(*buffer);
+    if (status != STATUS_OK) return status;
+    *outBuffer = AHardwareBuffer_from_GraphicBuffer(buffer.get());
+    AHardwareBuffer_acquire(*outBuffer);
+    return STATUS_OK;
+}
+
+binder_status_t AHardwareBuffer_writeToParcel(const AHardwareBuffer* _Nonnull buffer,
+        AParcel* _Nonnull parcel) {
+    const GraphicBuffer* gb = AHardwareBuffer_to_GraphicBuffer(buffer);
+    if (!gb) return STATUS_BAD_VALUE;
+    if (!parcel) return STATUS_BAD_VALUE;
+    return parcel->get()->write(*gb);
+}
+
 // ----------------------------------------------------------------------------
 // VNDK functions
 // ----------------------------------------------------------------------------
@@ -678,6 +702,14 @@ uint32_t AHardwareBuffer_convertToPixelFormat(uint32_t ahardwarebuffer_format) {
     return ahardwarebuffer_format;
 }
 
+int32_t AHardwareBuffer_getDataSpace(AHardwareBuffer* buffer) {
+    GraphicBuffer* gb = AHardwareBuffer_to_GraphicBuffer(buffer);
+    auto& mapper = GraphicBufferMapper::get();
+    ui::Dataspace dataspace = ui::Dataspace::UNKNOWN;
+    mapper.getDataspace(gb->handle, &dataspace);
+    return static_cast<int32_t>(dataspace);
+}
+
 uint64_t AHardwareBuffer_convertToGrallocUsageBits(uint64_t usage) {
     using android::hardware::graphics::common::V1_1::BufferUsage;
     static_assert(AHARDWAREBUFFER_USAGE_CPU_READ_NEVER == (uint64_t)BufferUsage::CPU_READ_NEVER,
diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index 18a4b2d3e8..b7b2926c73 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -20,10 +20,15 @@
 // from nativewindow/includes/system/window.h
 // (not to be confused with the compatibility-only window.h from system/core/includes)
 #include <system/window.h>
+#include <android/native_window_aidl.h>
 
 #include <private/android/AHardwareBufferHelpers.h>
 
+#include <log/log.h>
 #include <ui/GraphicBuffer.h>
+#include <gui/Surface.h>
+#include <gui/view/Surface.h>
+#include <android/binder_libbinder.h>
 
 using namespace android;
 
@@ -59,6 +64,13 @@ static bool isDataSpaceValid(ANativeWindow* window, int32_t dataSpace) {
             return false;
     }
 }
+static sp<IGraphicBufferProducer> IGraphicBufferProducer_from_ANativeWindow(ANativeWindow* window) {
+    return Surface::getIGraphicBufferProducer(window);
+}
+
+static sp<IBinder> SurfaceControlHandle_from_ANativeWindow(ANativeWindow* window) {
+    return Surface::getSurfaceControlHandle(window);
+}
 
 /**************************************************************************************************
  * NDK
@@ -176,8 +188,8 @@ int32_t ANativeWindow_setBuffersDataSpace(ANativeWindow* window, int32_t dataSpa
         static_cast<int>(HAL_DATASPACE_BT2020_HLG));
     static_assert(static_cast<int>(ADATASPACE_BT2020_ITU_HLG) ==
         static_cast<int>(HAL_DATASPACE_BT2020_ITU_HLG));
-    static_assert(static_cast<int>(DEPTH) == static_cast<int>(HAL_DATASPACE_DEPTH));
-    static_assert(static_cast<int>(DYNAMIC_DEPTH) == static_cast<int>(HAL_DATASPACE_DYNAMIC_DEPTH));
+    static_assert(static_cast<int>(ADATASPACE_DEPTH) == static_cast<int>(HAL_DATASPACE_DEPTH));
+    static_assert(static_cast<int>(ADATASPACE_DYNAMIC_DEPTH) == static_cast<int>(HAL_DATASPACE_DYNAMIC_DEPTH));
 
     if (!window || !query(window, NATIVE_WINDOW_IS_VALID) ||
             !isDataSpaceValid(window, dataSpace)) {
@@ -193,6 +205,13 @@ int32_t ANativeWindow_getBuffersDataSpace(ANativeWindow* window) {
     return query(window, NATIVE_WINDOW_DATASPACE);
 }
 
+int32_t ANativeWindow_getBuffersDefaultDataSpace(ANativeWindow* window) {
+    if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) {
+        return -EINVAL;
+    }
+    return query(window, NATIVE_WINDOW_DEFAULT_DATASPACE);
+}
+
 int32_t ANativeWindow_setFrameRate(ANativeWindow* window, float frameRate, int8_t compatibility) {
     return ANativeWindow_setFrameRateWithChangeStrategy(window, frameRate, compatibility,
         ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
@@ -334,6 +353,42 @@ int ANativeWindow_setAutoPrerotation(ANativeWindow* window, bool autoPrerotation
     return native_window_set_auto_prerotation(window, autoPrerotation);
 }
 
+binder_status_t ANativeWindow_readFromParcel(
+        const AParcel* _Nonnull parcel, ANativeWindow* _Nullable* _Nonnull outWindow) {
+    const Parcel* nativeParcel = AParcel_viewPlatformParcel(parcel);
+
+    // Use a android::view::Surface to unparcel the window
+    std::shared_ptr<android::view::Surface> shimSurface = std::shared_ptr<android::view::Surface>();
+    status_t ret = shimSurface->readFromParcel(nativeParcel);
+    if (ret != OK) {
+        ALOGE("%s: Error: Failed to create android::view::Surface from AParcel", __FUNCTION__);
+        return STATUS_BAD_VALUE;
+    }
+    sp<Surface> surface = sp<Surface>::make(
+            shimSurface->graphicBufferProducer, false, shimSurface->surfaceControlHandle);
+    ANativeWindow* anw = surface.get();
+    ANativeWindow_acquire(anw);
+    *outWindow = anw;
+    return STATUS_OK;
+}
+
+binder_status_t ANativeWindow_writeToParcel(
+        ANativeWindow* _Nonnull window, AParcel* _Nonnull parcel) {
+    int value;
+    int err = (*window->query)(window, NATIVE_WINDOW_CONCRETE_TYPE, &value);
+    if (err != OK || value != NATIVE_WINDOW_SURFACE) {
+        ALOGE("Error: ANativeWindow is not backed by Surface");
+        return STATUS_BAD_VALUE;
+    }
+    // Use a android::view::Surface to parcelize the window
+    std::shared_ptr<android::view::Surface> shimSurface = std::shared_ptr<android::view::Surface>();
+    shimSurface->graphicBufferProducer = IGraphicBufferProducer_from_ANativeWindow(window);
+    shimSurface->surfaceControlHandle = SurfaceControlHandle_from_ANativeWindow(window);
+
+    Parcel* nativeParcel = AParcel_viewPlatformParcel(parcel);
+    return shimSurface->writeToParcel(nativeParcel);
+}
+
 /**************************************************************************************************
  * apex-stable
  **************************************************************************************************/
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index cedc522f3e..bc0bfc52d5 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -102,15 +102,19 @@ cc_library {
         "liblog",
         "libutils",
         "libui",
+        "libbinder",
+        "libbinder_ndk",
         "android.hardware.graphics.common@1.1",
     ],
 
     static_libs: [
         "libarect",
         "libgrallocusage",
+        "libgui_aidl_static",
     ],
 
     header_libs: [
+        "libgui_headers",
         "libarect_headers",
         "libnativebase_headers",
         "libnativewindow_headers",
diff --git a/libs/nativewindow/include-private/private/android/AHardwareBufferHelpers.h b/libs/nativewindow/include-private/private/android/AHardwareBufferHelpers.h
index ddfd1d1918..6d3d295a0c 100644
--- a/libs/nativewindow/include-private/private/android/AHardwareBufferHelpers.h
+++ b/libs/nativewindow/include-private/private/android/AHardwareBufferHelpers.h
@@ -52,6 +52,11 @@ uint32_t AHardwareBuffer_convertFromPixelFormat(uint32_t format);
 // convert HAL format to AHardwareBuffer format (note: this is a no-op)
 uint32_t AHardwareBuffer_convertToPixelFormat(uint32_t format);
 
+// retrieves a dataspace from the AHardwareBuffer metadata, if the device
+// support gralloc metadata. Returns UNKNOWN if gralloc metadata is not
+// supported.
+int32_t AHardwareBuffer_getDataSpace(AHardwareBuffer* buffer);
+
 // convert AHardwareBuffer usage bits to HAL usage bits (note: this is a no-op)
 uint64_t AHardwareBuffer_convertFromGrallocUsageBits(uint64_t usage);
 
diff --git a/libs/nativewindow/include/android/data_space.h b/libs/nativewindow/include/android/data_space.h
index 771844f4fe..ad4cc4a229 100644
--- a/libs/nativewindow/include/android/data_space.h
+++ b/libs/nativewindow/include/android/data_space.h
@@ -548,14 +548,14 @@ enum ADataSpace {
      *
      * This value is valid with formats HAL_PIXEL_FORMAT_Y16 and HAL_PIXEL_FORMAT_BLOB.
      */
-    DEPTH = 4096,
+    ADATASPACE_DEPTH = 4096,
 
     /**
      * ISO 16684-1:2011(E) Dynamic Depth:
      *
      * Embedded depth metadata following the dynamic depth specification.
      */
-    DYNAMIC_DEPTH = 4098
+    ADATASPACE_DYNAMIC_DEPTH = 4098
 };
 
 __END_DECLS
diff --git a/libs/nativewindow/include/android/hardware_buffer_aidl.h b/libs/nativewindow/include/android/hardware_buffer_aidl.h
new file mode 100644
index 0000000000..906d9c6f6b
--- /dev/null
+++ b/libs/nativewindow/include/android/hardware_buffer_aidl.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file hardware_buffer_aidl.h
+ * @brief HardwareBuffer NDK AIDL glue code
+ */
+
+/**
+ * @addtogroup AHardwareBuffer
+ *
+ * Parcelable support for AHardwareBuffer. Can be used with libbinder_ndk
+ *
+ * @{
+ */
+
+#ifndef ANDROID_HARDWARE_BUFFER_AIDL_H
+#define ANDROID_HARDWARE_BUFFER_AIDL_H
+
+#include <android/binder_parcel.h>
+#include <android/hardware_buffer.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/**
+ * Read an AHardwareBuffer from a AParcel. The output buffer will have an
+ * initial reference acquired and will need to be released with
+ * AHardwareBuffer_release.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success
+ *         STATUS_BAD_VALUE if the parcel or outBuffer is null, or if there's an
+ *                          issue deserializing (eg, corrupted parcel)
+ *         STATUS_BAD_TYPE if the parcel's current data position is not that of
+ *                         an AHardwareBuffer type
+ *         STATUS_NO_MEMORY if an allocation fails
+ */
+binder_status_t AHardwareBuffer_readFromParcel(const AParcel* _Nonnull parcel,
+        AHardwareBuffer* _Nullable* _Nonnull outBuffer) __INTRODUCED_IN(34);
+
+/**
+ * Write an AHardwareBuffer to an AParcel.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success.
+ *         STATUS_BAD_VALUE if either buffer or parcel is null, or if the AHardwareBuffer*
+ *                          fails to serialize (eg, internally corrupted)
+ *         STATUS_NO_MEMORY if the parcel runs out of space to store the buffer & is
+ *                          unable to allocate more
+ *         STATUS_FDS_NOT_ALLOWED if the parcel does not allow storing FDs
+ */
+binder_status_t AHardwareBuffer_writeToParcel(const AHardwareBuffer* _Nonnull buffer,
+        AParcel* _Nonnull parcel) __INTRODUCED_IN(34);
+
+__END_DECLS
+
+// Only enable the AIDL glue helper if this is C++
+#ifdef __cplusplus
+
+namespace aidl::android::hardware {
+
+/**
+ * Wrapper class that enables interop with AIDL NDK generation
+ * Takes ownership of the AHardwareBuffer* given to it in reset() and will automatically
+ * destroy it in the destructor, similar to a smart pointer container
+ */
+class HardwareBuffer {
+public:
+    HardwareBuffer() noexcept {}
+    explicit HardwareBuffer(HardwareBuffer&& other) noexcept : mBuffer(other.release()) {}
+
+    ~HardwareBuffer() {
+        reset();
+    }
+
+    binder_status_t readFromParcel(const AParcel* _Nonnull parcel) {
+        reset();
+        return AHardwareBuffer_readFromParcel(parcel, &mBuffer);
+    }
+
+    binder_status_t writeToParcel(AParcel* _Nonnull parcel) const {
+        if (!mBuffer) {
+            return STATUS_BAD_VALUE;
+        }
+        return AHardwareBuffer_writeToParcel(mBuffer, parcel);
+    }
+
+    /**
+     * Destroys any currently owned AHardwareBuffer* and takes ownership of the given
+     * AHardwareBuffer*
+     *
+     * @param buffer The buffer to take ownership of
+     */
+    void reset(AHardwareBuffer* _Nullable buffer = nullptr) noexcept {
+        if (mBuffer) {
+            AHardwareBuffer_release(mBuffer);
+            mBuffer = nullptr;
+        }
+        mBuffer = buffer;
+    }
+
+    inline AHardwareBuffer* _Nullable operator-> () const { return mBuffer;  }
+    inline AHardwareBuffer* _Nullable get() const { return mBuffer; }
+    inline explicit operator bool () const { return mBuffer != nullptr; }
+
+    HardwareBuffer& operator=(HardwareBuffer&& other) noexcept {
+        reset(other.release());
+        return *this;
+    }
+
+    /**
+     * Stops managing any contained AHardwareBuffer*, returning it to the caller. Ownership
+     * is released.
+     * @return AHardwareBuffer* or null if this was empty
+     */
+    [[nodiscard]] AHardwareBuffer* _Nullable release() noexcept {
+        AHardwareBuffer* _Nullable ret = mBuffer;
+        mBuffer = nullptr;
+        return ret;
+    }
+
+private:
+    HardwareBuffer(const HardwareBuffer& other) = delete;
+    HardwareBuffer& operator=(const HardwareBuffer& other) = delete;
+
+    AHardwareBuffer* _Nullable mBuffer = nullptr;
+};
+
+} // aidl::android::hardware
+
+#endif // __cplusplus
+
+#endif // ANDROID_HARDWARE_BUFFER_AIDL_H
+
+/** @} */
diff --git a/libs/nativewindow/include/android/native_window.h b/libs/nativewindow/include/android/native_window.h
index f0e1c4d749..be6623ee75 100644
--- a/libs/nativewindow/include/android/native_window.h
+++ b/libs/nativewindow/include/android/native_window.h
@@ -227,6 +227,16 @@ int32_t ANativeWindow_setBuffersDataSpace(ANativeWindow* window, int32_t dataSpa
  */
 int32_t ANativeWindow_getBuffersDataSpace(ANativeWindow* window) __INTRODUCED_IN(28);
 
+/**
+ * Get the default dataspace of the buffers in window as set by the consumer.
+ *
+ * Available since API level 34.
+ *
+ * \return the dataspace of buffers in window, ADATASPACE_UNKNOWN is returned if
+ * dataspace is unknown, or -EINVAL if window is invalid.
+ */
+int32_t ANativeWindow_getBuffersDefaultDataSpace(ANativeWindow* window) __INTRODUCED_IN(34);
+
 /** Compatibility value for ANativeWindow_setFrameRate. */
 enum ANativeWindow_FrameRateCompatibility {
     /**
@@ -303,6 +313,8 @@ enum ANativeWindow_ChangeFrameRateStrategy {
  * You can register for changes in the refresh rate using
  * \a AChoreographer_registerRefreshRateCallback.
  *
+ * See ANativeWindow_clearFrameRate().
+ *
  * Available since API level 31.
  *
  * \param window pointer to an ANativeWindow object.
@@ -332,8 +344,43 @@ int32_t ANativeWindow_setFrameRateWithChangeStrategy(ANativeWindow* window, floa
         int8_t compatibility, int8_t changeFrameRateStrategy)
         __INTRODUCED_IN(31);
 
+/**
+ * Clears the frame rate which is set for this window.
+ *
+ * This is equivalent to calling
+ * ANativeWindow_setFrameRateWithChangeStrategy(window, 0, compatibility, changeFrameRateStrategy).
+ *
+ * Usage of this API won't introduce frame rate throttling,
+ * or affect other aspects of the application's frame production
+ * pipeline. However, because the system may change the display refresh rate,
+ * calls to this function may result in changes to Choreographer callback
+ * timings, and changes to the time interval at which the system releases
+ * buffers back to the application.
+ *
+ * Note that this only has an effect for windows presented on the display. If
+ * this ANativeWindow is consumed by something other than the system compositor,
+ * e.g. a media codec, this call has no effect.
+ *
+ * You can register for changes in the refresh rate using
+ * \a AChoreographer_registerRefreshRateCallback.
+ *
+ * See ANativeWindow_setFrameRateWithChangeStrategy().
+ *
+ * Available since API level 34.
+ *
+ * \param window pointer to an ANativeWindow object.
+ *
+ * \return 0 for success, -EINVAL if the window value is invalid.
+ */
+inline int32_t ANativeWindow_clearFrameRate(ANativeWindow* window)
+        __INTRODUCED_IN(__ANDROID_API_U__) {
+    return ANativeWindow_setFrameRateWithChangeStrategy(window, 0,
+            ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
+            ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
+}
+
 #ifdef __cplusplus
-};
+}
 #endif
 
 #endif // ANDROID_NATIVE_WINDOW_H
diff --git a/libs/nativewindow/include/android/native_window_aidl.h b/libs/nativewindow/include/android/native_window_aidl.h
new file mode 100644
index 0000000000..a252245a10
--- /dev/null
+++ b/libs/nativewindow/include/android/native_window_aidl.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file native_window_aidl.h
+ * @brief NativeWindow NDK AIDL glue code
+ */
+
+/**
+ * @addtogroup ANativeWindow
+ *
+ * Parcelable support for ANativeWindow. Can be used with libbinder_ndk
+ *
+ * @{
+ */
+
+#ifndef ANDROID_NATIVE_WINDOW_AIDL_H
+#define ANDROID_NATIVE_WINDOW_AIDL_H
+
+#include <android/binder_parcel.h>
+#include <android/native_window.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/**
+ * Read an ANativeWindow from a AParcel. The output buffer will have an
+ * initial reference acquired and will need to be released with
+ * ANativeWindow_release.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success
+ *         STATUS_BAD_VALUE if the parcel or outBuffer is null, or if there's an
+ *                          issue deserializing (eg, corrupted parcel)
+ *         STATUS_BAD_TYPE if the parcel's current data position is not that of
+ *                         an ANativeWindow type
+ *         STATUS_NO_MEMORY if an allocation fails
+ */
+binder_status_t ANativeWindow_readFromParcel(const AParcel* _Nonnull parcel,
+        ANativeWindow* _Nullable* _Nonnull outWindow) __INTRODUCED_IN(__ANDROID_API_U__);
+
+/**
+ * Write an ANativeWindow to an AParcel.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success.
+ *         STATUS_BAD_VALUE if either buffer or parcel is null, or if the ANativeWindow*
+ *                          fails to serialize (eg, internally corrupted)
+ *         STATUS_NO_MEMORY if the parcel runs out of space to store the buffer & is
+ *                          unable to allocate more
+ *         STATUS_FDS_NOT_ALLOWED if the parcel does not allow storing FDs
+ */
+binder_status_t ANativeWindow_writeToParcel(ANativeWindow* _Nonnull window,
+        AParcel* _Nonnull parcel) __INTRODUCED_IN(__ANDROID_API_U__);
+
+__END_DECLS
+
+// Only enable the AIDL glue helper if this is C++
+#ifdef __cplusplus
+
+namespace aidl::android::hardware {
+
+/**
+ * Wrapper class that enables interop with AIDL NDK generation
+ * Takes ownership of the ANativeWindow* given to it in reset() and will automatically
+ * destroy it in the destructor, similar to a smart pointer container
+ */
+class NativeWindow {
+public:
+    NativeWindow() noexcept {}
+    explicit NativeWindow(ANativeWindow* _Nullable window) {
+        reset(window);
+    }
+
+    explicit NativeWindow(NativeWindow&& other) noexcept {
+        mWindow = other.release(); // steal ownership from r-value
+    }
+
+    ~NativeWindow() {
+        reset();
+    }
+
+    binder_status_t readFromParcel(const AParcel* _Nonnull parcel) {
+        reset();
+        return ANativeWindow_readFromParcel(parcel, &mWindow);
+    }
+
+    binder_status_t writeToParcel(AParcel* _Nonnull parcel) const {
+        if (!mWindow) {
+            return STATUS_BAD_VALUE;
+        }
+        return ANativeWindow_writeToParcel(mWindow, parcel);
+    }
+
+    /**
+     * Destroys any currently owned ANativeWindow* and takes ownership of the given
+     * ANativeWindow*
+     *
+     * @param buffer The buffer to take ownership of
+     */
+    void reset(ANativeWindow* _Nullable window = nullptr) noexcept {
+        if (mWindow) {
+            ANativeWindow_release(mWindow);
+            mWindow = nullptr;
+        }
+        if (window != nullptr) {
+            ANativeWindow_acquire(window);
+        }
+        mWindow = window;
+    }
+    inline ANativeWindow* _Nullable operator-> () const { return mWindow;  }
+    inline ANativeWindow* _Nullable get() const { return mWindow; }
+    inline explicit operator bool () const { return mWindow != nullptr; }
+
+    NativeWindow& operator=(NativeWindow&& other) noexcept {
+        mWindow = other.release(); // steal ownership from r-value
+        return *this;
+    }
+
+    /**
+     * Stops managing any contained ANativeWindow*, returning it to the caller. Ownership
+     * is released.
+     * @return ANativeWindow* or null if this was empty
+     */
+    [[nodiscard]] ANativeWindow* _Nullable release() noexcept {
+        ANativeWindow* _Nullable ret = mWindow;
+        mWindow = nullptr;
+        return ret;
+    }
+private:
+    ANativeWindow* _Nullable mWindow = nullptr;
+    NativeWindow(const NativeWindow &other) = delete;
+    NativeWindow& operator=(const NativeWindow &other) = delete;
+};
+
+} // aidl::android::hardware
+  //
+namespace aidl::android::view {
+    using Surface = aidl::android::hardware::NativeWindow;
+}
+
+#endif // __cplusplus
+
+#endif // ANDROID_NATIVE_WINDOW_AIDL_H
+
+/** @} */
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index a54af1fa62..c7745e6672 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -235,8 +235,8 @@ enum {
     NATIVE_WINDOW_ENABLE_FRAME_TIMESTAMPS         = 25,
     NATIVE_WINDOW_GET_COMPOSITOR_TIMING           = 26,
     NATIVE_WINDOW_GET_FRAME_TIMESTAMPS            = 27,
-    NATIVE_WINDOW_GET_WIDE_COLOR_SUPPORT          = 28,
-    NATIVE_WINDOW_GET_HDR_SUPPORT                 = 29,
+    /* 28, removed: NATIVE_WINDOW_GET_WIDE_COLOR_SUPPORT */
+    /* 29, removed: NATIVE_WINDOW_GET_HDR_SUPPORT */
     NATIVE_WINDOW_SET_USAGE64                     = ANATIVEWINDOW_PERFORM_SET_USAGE64,
     NATIVE_WINDOW_GET_CONSUMER_USAGE64            = 31,
     NATIVE_WINDOW_SET_BUFFERS_SMPTE2086_METADATA  = 32,
@@ -988,15 +988,34 @@ static inline int native_window_get_frame_timestamps(
             outDequeueReadyTime, outReleaseTime);
 }
 
-static inline int native_window_get_wide_color_support(
-    struct ANativeWindow* window, bool* outSupport) {
-    return window->perform(window, NATIVE_WINDOW_GET_WIDE_COLOR_SUPPORT,
-            outSupport);
+/* deprecated. Always returns 0 and outSupport holds true. Don't call. */
+static inline int native_window_get_wide_color_support (
+    struct ANativeWindow* window __UNUSED, bool* outSupport) __deprecated;
+
+/*
+   Deprecated(b/242763577): to be removed, this method should not be used
+   Surface support should not be tied to the display
+   Return true since most displays should have this support
+*/
+static inline int native_window_get_wide_color_support (
+    struct ANativeWindow* window __UNUSED, bool* outSupport) {
+    *outSupport = true;
+    return 0;
 }
 
-static inline int native_window_get_hdr_support(struct ANativeWindow* window,
+/* deprecated. Always returns 0 and outSupport holds true. Don't call. */
+static inline int native_window_get_hdr_support(struct ANativeWindow* window __UNUSED,
+                                                bool* outSupport) __deprecated;
+
+/*
+   Deprecated(b/242763577): to be removed, this method should not be used
+   Surface support should not be tied to the display
+   Return true since most displays should have this support
+*/
+static inline int native_window_get_hdr_support(struct ANativeWindow* window __UNUSED,
                                                 bool* outSupport) {
-    return window->perform(window, NATIVE_WINDOW_GET_HDR_SUPPORT, outSupport);
+    *outSupport = true;
+    return 0;
 }
 
 static inline int native_window_get_consumer_usage(struct ANativeWindow* window,
@@ -1034,6 +1053,11 @@ enum {
      * This surface is ignored while choosing the refresh rate.
      */
     ANATIVEWINDOW_FRAME_RATE_NO_VOTE,
+
+    /**
+     * This surface will vote for the minimum refresh rate.
+     */
+    ANATIVEWINDOW_FRAME_RATE_MIN
 };
 
 static inline int native_window_set_frame_rate(struct ANativeWindow* window, float frameRate,
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
index da42a96df7..c2fd6efcdb 100644
--- a/libs/nativewindow/libnativewindow.map.txt
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -14,6 +14,8 @@ LIBNATIVEWINDOW {
     AHardwareBuffer_release;
     AHardwareBuffer_sendHandleToUnixSocket;
     AHardwareBuffer_unlock;
+    AHardwareBuffer_readFromParcel; # introduced=34
+    AHardwareBuffer_writeToParcel; # introduced=34
     ANativeWindowBuffer_getHardwareBuffer; # llndk
     ANativeWindow_OemStorageGet; # llndk
     ANativeWindow_OemStorageSet; # llndk
@@ -21,6 +23,7 @@ LIBNATIVEWINDOW {
     ANativeWindow_cancelBuffer; # llndk
     ANativeWindow_dequeueBuffer; # llndk
     ANativeWindow_getBuffersDataSpace; # introduced=28
+    ANativeWindow_getBuffersDefaultDataSpace; # introduced=34
     ANativeWindow_getFormat;
     ANativeWindow_getHeight;
     ANativeWindow_getLastDequeueDuration; # systemapi # introduced=30
@@ -53,6 +56,8 @@ LIBNATIVEWINDOW {
     ANativeWindow_setUsage; # llndk
     ANativeWindow_tryAllocateBuffers; # introduced=30
     ANativeWindow_unlockAndPost;
+    ANativeWindow_readFromParcel; # introduced=UpsideDownCake
+    ANativeWindow_writeToParcel; # introduced=UpsideDownCake
   local:
     *;
 };
@@ -65,6 +70,7 @@ LIBNATIVEWINDOW_PLATFORM {
       android::AHardwareBuffer_convertToPixelFormat*;
       android::AHardwareBuffer_convertFromGrallocUsageBits*;
       android::AHardwareBuffer_convertToGrallocUsageBits*;
+      android::AHardwareBuffer_getDataSpace*;
       android::AHardwareBuffer_to_GraphicBuffer*;
       android::AHardwareBuffer_to_ANativeWindowBuffer*;
       android::AHardwareBuffer_from_GraphicBuffer*;
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index f6f57dde7d..04e24ed9ed 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -21,13 +21,15 @@ cc_defaults {
 
 cc_defaults {
     name: "librenderengine_defaults",
-    defaults: ["renderengine_defaults"],
+    defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
+        "renderengine_defaults",
+    ],
     cflags: [
         "-DGL_GLEXT_PROTOTYPES",
         "-DEGL_EGLEXT_PROTOTYPES",
     ],
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libEGL",
@@ -40,6 +42,7 @@ cc_defaults {
         "libsync",
         "libui",
         "libutils",
+        "libvulkan",
     ],
 
     static_libs: [
@@ -95,6 +98,7 @@ filegroup {
         "skia/ColorSpaces.cpp",
         "skia/SkiaRenderEngine.cpp",
         "skia/SkiaGLRenderEngine.cpp",
+        "skia/SkiaVkRenderEngine.cpp",
         "skia/debug/CaptureTimer.cpp",
         "skia/debug/CommonPool.cpp",
         "skia/debug/SkiaCapture.cpp",
diff --git a/libs/renderengine/RenderEngine.cpp b/libs/renderengine/RenderEngine.cpp
index c7ad058ab9..341c011dc9 100644
--- a/libs/renderengine/RenderEngine.cpp
+++ b/libs/renderengine/RenderEngine.cpp
@@ -19,9 +19,11 @@
 #include <cutils/properties.h>
 #include <log/log.h>
 #include "gl/GLESRenderEngine.h"
+#include "renderengine/ExternalTexture.h"
 #include "threaded/RenderEngineThreaded.h"
 
 #include "skia/SkiaGLRenderEngine.h"
+#include "skia/SkiaVkRenderEngine.h"
 
 namespace android {
 namespace renderengine {
@@ -36,6 +38,13 @@ std::unique_ptr<RenderEngine> RenderEngine::create(const RenderEngineCreationArg
         case RenderEngineType::SKIA_GL:
             ALOGD("RenderEngine with SkiaGL Backend");
             return renderengine::skia::SkiaGLRenderEngine::create(args);
+        case RenderEngineType::SKIA_VK:
+#ifdef RE_SKIAVK
+            ALOGD("RenderEngine with SkiaVK Backend");
+            return renderengine::skia::SkiaVkRenderEngine::create(args);
+#else
+            LOG_ALWAYS_FATAL("Requested VK backend, but RE_SKIAVK is not defined!");
+#endif
         case RenderEngineType::SKIA_GL_THREADED: {
             ALOGD("Threaded RenderEngine with SkiaGL Backend");
             return renderengine::threaded::RenderEngineThreaded::create(
@@ -44,6 +53,17 @@ std::unique_ptr<RenderEngine> RenderEngine::create(const RenderEngineCreationArg
                     },
                     args.renderEngineType);
         }
+        case RenderEngineType::SKIA_VK_THREADED:
+#ifdef RE_SKIAVK
+            ALOGD("Threaded RenderEngine with SkiaVK Backend");
+            return renderengine::threaded::RenderEngineThreaded::create(
+                    [args]() {
+                        return android::renderengine::skia::SkiaVkRenderEngine::create(args);
+                    },
+                    args.renderEngineType);
+#else
+            LOG_ALWAYS_FATAL("Requested VK backend, but RE_SKIAVK is not defined!");
+#endif
         case RenderEngineType::GLES:
         default:
             ALOGD("RenderEngine with GLES Backend");
@@ -63,16 +83,29 @@ void RenderEngine::validateOutputBufferUsage(const sp<GraphicBuffer>& buffer) {
                         "output buffer not gpu writeable");
 }
 
-std::future<RenderEngineResult> RenderEngine::drawLayers(
-        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-        const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-        base::unique_fd&& bufferFence) {
-    const auto resultPromise = std::make_shared<std::promise<RenderEngineResult>>();
-    std::future<RenderEngineResult> resultFuture = resultPromise->get_future();
+ftl::Future<FenceResult> RenderEngine::drawLayers(const DisplaySettings& display,
+                                                  const std::vector<LayerSettings>& layers,
+                                                  const std::shared_ptr<ExternalTexture>& buffer,
+                                                  const bool useFramebufferCache,
+                                                  base::unique_fd&& bufferFence) {
+    const auto resultPromise = std::make_shared<std::promise<FenceResult>>();
+    std::future<FenceResult> resultFuture = resultPromise->get_future();
+    updateProtectedContext(layers, buffer);
     drawLayersInternal(std::move(resultPromise), display, layers, buffer, useFramebufferCache,
                        std::move(bufferFence));
     return resultFuture;
 }
 
+void RenderEngine::updateProtectedContext(const std::vector<LayerSettings>& layers,
+                                          const std::shared_ptr<ExternalTexture>& buffer) {
+    const bool needsProtectedContext =
+            (buffer && (buffer->getUsage() & GRALLOC_USAGE_PROTECTED)) ||
+            std::any_of(layers.begin(), layers.end(), [](const LayerSettings& layer) {
+                const std::shared_ptr<ExternalTexture>& buffer = layer.source.buffer.buffer;
+                return buffer && (buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+            });
+    useProtectedContext(needsProtectedContext);
+}
+
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/benchmark/Android.bp b/libs/renderengine/benchmark/Android.bp
index 249fec5866..afbe6cfa4d 100644
--- a/libs/renderengine/benchmark/Android.bp
+++ b/libs/renderengine/benchmark/Android.bp
@@ -24,6 +24,7 @@ package {
 cc_benchmark {
     name: "librenderengine_bench",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "skia_deps",
         "surfaceflinger_defaults",
     ],
@@ -43,7 +44,6 @@ cc_benchmark {
     ],
 
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libjnigraphics",
diff --git a/libs/renderengine/benchmark/RenderEngineBench.cpp b/libs/renderengine/benchmark/RenderEngineBench.cpp
index ead97cf5df..bd7b617ae7 100644
--- a/libs/renderengine/benchmark/RenderEngineBench.cpp
+++ b/libs/renderengine/benchmark/RenderEngineBench.cpp
@@ -39,6 +39,10 @@ std::string RenderEngineTypeName(RenderEngine::RenderEngineType type) {
             return "skiaglthreaded";
         case RenderEngine::RenderEngineType::SKIA_GL:
             return "skiagl";
+        case RenderEngine::RenderEngineType::SKIA_VK:
+            return "skiavk";
+        case RenderEngine::RenderEngineType::SKIA_VK_THREADED:
+            return "skiavkthreaded";
         case RenderEngine::RenderEngineType::GLES:
         case RenderEngine::RenderEngineType::THREADED:
             LOG_ALWAYS_FATAL("GLESRenderEngine is deprecated - why time it?");
@@ -80,16 +84,26 @@ std::pair<uint32_t, uint32_t> getDisplaySize() {
     std::once_flag once;
     std::call_once(once, []() {
         auto surfaceComposerClient = SurfaceComposerClient::getDefault();
-        auto displayToken = surfaceComposerClient->getInternalDisplayToken();
-        ui::DisplayMode displayMode;
-        if (surfaceComposerClient->getActiveDisplayMode(displayToken, &displayMode) < 0) {
-            LOG_ALWAYS_FATAL("Failed to get active display mode!");
+        auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        LOG_ALWAYS_FATAL_IF(ids.empty(), "Failed to get any display!");
+        ui::Size resolution = ui::kEmptySize;
+        // find the largest display resolution
+        for (auto id : ids) {
+            auto displayToken = surfaceComposerClient->getPhysicalDisplayToken(id);
+            ui::DisplayMode displayMode;
+            if (surfaceComposerClient->getActiveDisplayMode(displayToken, &displayMode) < 0) {
+                LOG_ALWAYS_FATAL("Failed to get active display mode!");
+            }
+            auto tw = displayMode.resolution.width;
+            auto th = displayMode.resolution.height;
+            LOG_ALWAYS_FATAL_IF(tw <= 0 || th <= 0, "Invalid display size!");
+            if (resolution.width * resolution.height <
+                displayMode.resolution.width * displayMode.resolution.height) {
+                resolution = displayMode.resolution;
+            }
         }
-        auto w = displayMode.resolution.width;
-        auto h = displayMode.resolution.height;
-        LOG_ALWAYS_FATAL_IF(w <= 0 || h <= 0, "Invalid display size!");
-        width = static_cast<uint32_t>(w);
-        height = static_cast<uint32_t>(h);
+        width = static_cast<uint32_t>(resolution.width);
+        height = static_cast<uint32_t>(resolution.height);
     });
     return std::pair<uint32_t, uint32_t>(width, height);
 }
@@ -117,11 +131,12 @@ static std::shared_ptr<ExternalTexture> allocateBuffer(RenderEngine& re, uint32_
                                                        uint64_t extraUsageFlags = 0,
                                                        std::string name = "output") {
     return std::make_shared<
-            impl::ExternalTexture>(new GraphicBuffer(width, height, HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                     GRALLOC_USAGE_HW_RENDER |
-                                                             GRALLOC_USAGE_HW_TEXTURE |
-                                                             extraUsageFlags,
-                                                     std::move(name)),
+            impl::ExternalTexture>(sp<GraphicBuffer>::make(width, height,
+                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1u,
+                                                           GRALLOC_USAGE_HW_RENDER |
+                                                                   GRALLOC_USAGE_HW_TEXTURE |
+                                                                   extraUsageFlags,
+                                                           std::move(name)),
                                    re,
                                    impl::ExternalTexture::Usage::READABLE |
                                            impl::ExternalTexture::Usage::WRITEABLE);
@@ -158,9 +173,10 @@ static std::shared_ptr<ExternalTexture> copyBuffer(RenderEngine& re,
     };
     auto layers = std::vector<LayerSettings>{layer};
 
-    auto [status, drawFence] =
-            re.drawLayers(display, layers, texture, kUseFrameBufferCache, base::unique_fd()).get();
-    sp<Fence> waitFence = sp<Fence>::make(std::move(drawFence));
+    sp<Fence> waitFence =
+            re.drawLayers(display, layers, texture, kUseFrameBufferCache, base::unique_fd())
+                    .get()
+                    .value();
     waitFence->waitForever(LOG_TAG);
     return texture;
 }
@@ -189,10 +205,10 @@ static void benchDrawLayers(RenderEngine& re, const std::vector<LayerSettings>&
 
     // This loop starts and stops the timer.
     for (auto _ : benchState) {
-        auto [status, drawFence] = re.drawLayers(display, layers, outputBuffer,
-                                                 kUseFrameBufferCache, base::unique_fd())
-                                           .get();
-        sp<Fence> waitFence = sp<Fence>::make(std::move(drawFence));
+        sp<Fence> waitFence = re.drawLayers(display, layers, outputBuffer, kUseFrameBufferCache,
+                                            base::unique_fd())
+                                      .get()
+                                      .value();
         waitFence->waitForever(LOG_TAG);
     }
 
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 6dc01b916e..13f766c3e1 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -454,8 +454,9 @@ GLESRenderEngine::GLESRenderEngine(const RenderEngineCreationArgs& args, EGLDisp
     mImageManager->initThread();
     mDrawingBuffer = createFramebuffer();
     sp<GraphicBuffer> buf =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888, 1,
-                              GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE, "placeholder");
+            sp<GraphicBuffer>::make(1, 1, PIXEL_FORMAT_RGBA_8888, 1,
+                                    GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE,
+                                    "placeholder");
 
     const status_t err = buf->initCheck();
     if (err != OK) {
@@ -1080,14 +1081,14 @@ EGLImageKHR GLESRenderEngine::createFramebufferImageIfNeeded(ANativeWindowBuffer
 }
 
 void GLESRenderEngine::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
     ATRACE_CALL();
     if (layers.empty()) {
         ALOGV("Drawing empty layer stack");
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
+        resultPromise->set_value(Fence::NO_FENCE);
         return;
     }
 
@@ -1102,7 +1103,7 @@ void GLESRenderEngine::drawLayersInternal(
 
     if (buffer == nullptr) {
         ALOGE("No output buffer provided. Aborting GPU composition.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
         return;
     }
 
@@ -1131,7 +1132,7 @@ void GLESRenderEngine::drawLayersInternal(
             ALOGE("Failed to bind framebuffer! Aborting GPU composition for buffer (%p).",
                   buffer->getBuffer()->handle);
             checkErrors();
-            resultPromise->set_value({fbo->getStatus(), base::unique_fd()});
+            resultPromise->set_value(base::unexpected(fbo->getStatus()));
             return;
         }
         setViewportAndProjection(display.physicalDisplay, display.clip);
@@ -1143,7 +1144,7 @@ void GLESRenderEngine::drawLayersInternal(
             ALOGE("Failed to prepare blur filter! Aborting GPU composition for buffer (%p).",
                   buffer->getBuffer()->handle);
             checkErrors();
-            resultPromise->set_value({status, base::unique_fd()});
+            resultPromise->set_value(base::unexpected(status));
             return;
         }
     }
@@ -1177,7 +1178,7 @@ void GLESRenderEngine::drawLayersInternal(
                 ALOGE("Failed to render blur effect! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't render first blur pass");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
 
@@ -1200,7 +1201,7 @@ void GLESRenderEngine::drawLayersInternal(
                 ALOGE("Failed to bind framebuffer! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't bind native framebuffer");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
 
@@ -1209,7 +1210,7 @@ void GLESRenderEngine::drawLayersInternal(
                 ALOGE("Failed to render blur effect! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't render blur filter");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
         }
@@ -1309,7 +1310,7 @@ void GLESRenderEngine::drawLayersInternal(
             checkErrors();
             // Chances are, something illegal happened (either the caller passed
             // us bad parameters, or we messed up our shader generation).
-            resultPromise->set_value({INVALID_OPERATION, std::move(drawFence)});
+            resultPromise->set_value(base::unexpected(INVALID_OPERATION));
             return;
         }
         mLastDrawFence = nullptr;
@@ -1321,8 +1322,7 @@ void GLESRenderEngine::drawLayersInternal(
     mPriorResourcesCleaned = false;
 
     checkErrors();
-    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
-    return;
+    resultPromise->set_value(sp<Fence>::make(std::move(drawFence)));
 }
 
 void GLESRenderEngine::setViewportAndProjection(Rect viewport, Rect clip) {
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 1d7c2cafb5..1b3492154b 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -31,6 +31,7 @@
 #include <renderengine/RenderEngine.h>
 #include <renderengine/private/Description.h>
 #include <sys/types.h>
+#include <ui/FenceResult.h>
 #include "GLShadowTexture.h"
 #include "ImageManager.h"
 
@@ -60,7 +61,7 @@ public:
     std::future<void> primeCache() override;
     void genTextures(size_t count, uint32_t* names) override;
     void deleteTextures(size_t count, uint32_t const* names) override;
-    bool isProtected() const override { return mInProtectedContext; }
+    bool isProtected() const { return mInProtectedContext; }
     bool supportsProtectedContent() const override;
     void useProtectedContext(bool useProtectedContext) override;
     void cleanupPostRender() override;
@@ -102,7 +103,7 @@ protected:
             EXCLUDES(mRenderingMutex);
     void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) EXCLUDES(mRenderingMutex);
     bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                             const DisplaySettings& display,
                             const std::vector<LayerSettings>& layers,
                             const std::shared_ptr<ExternalTexture>& buffer,
diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index 5ff92402dc..f7f2d54515 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -601,7 +601,7 @@ String8 ProgramCache::generateFragmentShader(const Key& needs) {
     }
 
     if (needs.hasTextureCoords()) {
-        fs << "varying vec2 outTexCoords;";
+        fs << "varying highp vec2 outTexCoords;";
     }
 
     if (needs.hasRoundedCorners()) {
diff --git a/libs/renderengine/include/renderengine/BorderRenderInfo.h b/libs/renderengine/include/renderengine/BorderRenderInfo.h
new file mode 100644
index 0000000000..0ee6661f33
--- /dev/null
+++ b/libs/renderengine/include/renderengine/BorderRenderInfo.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <math/mat4.h>
+#include <ui/Region.h>
+
+namespace android {
+namespace renderengine {
+
+struct BorderRenderInfo {
+    float width = 0;
+    half4 color;
+    Region combinedRegion;
+
+    bool operator==(const BorderRenderInfo& rhs) const {
+        return (width == rhs.width && color == rhs.color &&
+                combinedRegion.hasSameRects(rhs.combinedRegion));
+    }
+};
+
+} // namespace renderengine
+} // namespace android
\ No newline at end of file
diff --git a/libs/renderengine/include/renderengine/DisplaySettings.h b/libs/renderengine/include/renderengine/DisplaySettings.h
index 59ef991eec..8d7c13cb18 100644
--- a/libs/renderengine/include/renderengine/DisplaySettings.h
+++ b/libs/renderengine/include/renderengine/DisplaySettings.h
@@ -22,17 +22,25 @@
 
 #include <math/mat4.h>
 #include <renderengine/PrintMatrix.h>
+#include <renderengine/BorderRenderInfo.h>
+#include <ui/DisplayId.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
 #include <ui/Transform.h>
 
+#include <optional>
+
 namespace android {
 namespace renderengine {
 
 // DisplaySettings contains the settings that are applicable when drawing all
 // layers for a given display.
 struct DisplaySettings {
+    // A string containing the name of the display, along with its id, if it has
+    // one.
+    std::string namePlusId;
+
     // Rectangle describing the physical display. We will project from the
     // logical clip onto this rectangle.
     Rect physicalDisplay = Rect::INVALID_RECT;
@@ -79,18 +87,21 @@ struct DisplaySettings {
     // Configures the rendering intent of the output display. This is used for tonemapping.
     aidl::android::hardware::graphics::composer3::RenderIntent renderIntent =
             aidl::android::hardware::graphics::composer3::RenderIntent::TONE_MAP_COLORIMETRIC;
+
+    std::vector<renderengine::BorderRenderInfo> borderInfoList;
 };
 
 static inline bool operator==(const DisplaySettings& lhs, const DisplaySettings& rhs) {
-    return lhs.physicalDisplay == rhs.physicalDisplay && lhs.clip == rhs.clip &&
-            lhs.maxLuminance == rhs.maxLuminance &&
+    return lhs.namePlusId == rhs.namePlusId && lhs.physicalDisplay == rhs.physicalDisplay &&
+            lhs.clip == rhs.clip && lhs.maxLuminance == rhs.maxLuminance &&
             lhs.currentLuminanceNits == rhs.currentLuminanceNits &&
             lhs.outputDataspace == rhs.outputDataspace &&
             lhs.colorTransform == rhs.colorTransform &&
             lhs.deviceHandlesColorTransform == rhs.deviceHandlesColorTransform &&
             lhs.orientation == rhs.orientation &&
             lhs.targetLuminanceNits == rhs.targetLuminanceNits &&
-            lhs.dimmingStage == rhs.dimmingStage && lhs.renderIntent == rhs.renderIntent;
+            lhs.dimmingStage == rhs.dimmingStage && lhs.renderIntent == rhs.renderIntent &&
+            lhs.borderInfoList == rhs.borderInfoList;
 }
 
 static const char* orientation_to_string(uint32_t orientation) {
@@ -117,6 +128,7 @@ static const char* orientation_to_string(uint32_t orientation) {
 
 static inline void PrintTo(const DisplaySettings& settings, ::std::ostream* os) {
     *os << "DisplaySettings {";
+    *os << "\n    .display = " << settings.namePlusId;
     *os << "\n    .physicalDisplay = ";
     PrintTo(settings.physicalDisplay, os);
     *os << "\n    .clip = ";
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 3e7f69ce02..39621cd080 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -18,6 +18,7 @@
 #define SF_RENDERENGINE_H_
 
 #include <android-base/unique_fd.h>
+#include <ftl/future.h>
 #include <math/mat4.h>
 #include <renderengine/DisplaySettings.h>
 #include <renderengine/ExternalTexture.h>
@@ -26,6 +27,7 @@
 #include <renderengine/LayerSettings.h>
 #include <stdint.h>
 #include <sys/types.h>
+#include <ui/FenceResult.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Transform.h>
 
@@ -68,7 +70,6 @@ class Image;
 class Mesh;
 class Texture;
 struct RenderEngineCreationArgs;
-struct RenderEngineResult;
 
 namespace threaded {
 class RenderEngineThreaded;
@@ -98,6 +99,8 @@ public:
         THREADED = 2,
         SKIA_GL = 3,
         SKIA_GL_THREADED = 4,
+        SKIA_VK = 5,
+        SKIA_VK_THREADED = 6,
     };
 
     static std::unique_ptr<RenderEngine> create(const RenderEngineCreationArgs& args);
@@ -125,12 +128,8 @@ public:
     // ----- BEGIN NEW INTERFACE -----
 
     // queries that are required to be thread safe
-    virtual bool isProtected() const = 0;
     virtual bool supportsProtectedContent() const = 0;
 
-    // Attempt to switch RenderEngine into and out of protectedContext mode
-    virtual void useProtectedContext(bool useProtectedContext) = 0;
-
     // Notify RenderEngine of changes to the dimensions of the active display
     // so that it can configure its internal caches accordingly.
     virtual void onActiveDisplaySizeChanged(ui::Size size) = 0;
@@ -158,12 +157,13 @@ public:
     // parameter does nothing.
     // @param bufferFence Fence signalling that the buffer is ready to be drawn
     // to.
-    // @return A future object of RenderEngineResult struct indicating whether
-    // drawing was successful in async mode.
-    virtual std::future<RenderEngineResult> drawLayers(
-            const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-            const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-            base::unique_fd&& bufferFence);
+    // @return A future object of FenceResult indicating whether drawing was
+    // successful in async mode.
+    virtual ftl::Future<FenceResult> drawLayers(const DisplaySettings& display,
+                                                const std::vector<LayerSettings>& layers,
+                                                const std::shared_ptr<ExternalTexture>& buffer,
+                                                const bool useFramebufferCache,
+                                                base::unique_fd&& bufferFence);
 
     // Clean-up method that should be called on the main thread after the
     // drawFence returned by drawLayers fires. This method will free up
@@ -172,9 +172,16 @@ public:
     virtual void cleanupPostRender() = 0;
 
     virtual void cleanFramebufferCache() = 0;
-    // Returns the priority this context was actually created with. Note: this may not be
-    // the same as specified at context creation time, due to implementation limits on the
-    // number of contexts that can be created at a specific priority level in the system.
+
+    // Returns the priority this context was actually created with. Note: this
+    // may not be the same as specified at context creation time, due to
+    // implementation limits on the number of contexts that can be created at a
+    // specific priority level in the system.
+    //
+    // This should return a valid EGL context priority enum as described by
+    // https://registry.khronos.org/EGL/extensions/IMG/EGL_IMG_context_priority.txt
+    // or
+    // https://registry.khronos.org/EGL/extensions/NV/EGL_NV_context_priority_realtime.txt
     virtual int getContextPriority() = 0;
 
     // Returns true if blur was requested in the RenderEngineCreationArgs and the implementation
@@ -236,8 +243,15 @@ protected:
     friend class RenderEngineTest_cleanupPostRender_cleansUpOnce_Test;
     const RenderEngineType mRenderEngineType;
 
+    // Update protectedContext mode depending on whether or not any layer has a protected buffer.
+    void updateProtectedContext(const std::vector<LayerSettings>&,
+                                const std::shared_ptr<ExternalTexture>&);
+
+    // Attempt to switch RenderEngine into and out of protectedContext mode
+    virtual void useProtectedContext(bool useProtectedContext) = 0;
+
     virtual void drawLayersInternal(
-            const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+            const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
             const DisplaySettings& display, const std::vector<LayerSettings>& layers,
             const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
             base::unique_fd&& bufferFence) = 0;
@@ -327,13 +341,6 @@ private:
             RenderEngine::RenderEngineType::SKIA_GL_THREADED;
 };
 
-struct RenderEngineResult {
-    // status indicates if drawing is successful
-    status_t status;
-    // drawFence will fire when the buffer has been drawn to and is ready to be examined.
-    base::unique_fd drawFence;
-};
-
 } // namespace renderengine
 } // namespace android
 
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index 248bd652c0..e3ce85dd07 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -48,14 +48,13 @@ public:
     MOCK_METHOD0(cleanupPostRender, void());
     MOCK_CONST_METHOD0(canSkipPostRenderCleanup, bool());
     MOCK_METHOD5(drawLayers,
-                 std::future<RenderEngineResult>(const DisplaySettings&,
-                                                 const std::vector<LayerSettings>&,
-                                                 const std::shared_ptr<ExternalTexture>&,
-                                                 const bool, base::unique_fd&&));
+                 ftl::Future<FenceResult>(const DisplaySettings&, const std::vector<LayerSettings>&,
+                                          const std::shared_ptr<ExternalTexture>&, const bool,
+                                          base::unique_fd&&));
     MOCK_METHOD6(drawLayersInternal,
-                 void(const std::shared_ptr<std::promise<RenderEngineResult>>&&,
-                      const DisplaySettings&, const std::vector<LayerSettings>&,
-                      const std::shared_ptr<ExternalTexture>&, const bool, base::unique_fd&&));
+                 void(const std::shared_ptr<std::promise<FenceResult>>&&, const DisplaySettings&,
+                      const std::vector<LayerSettings>&, const std::shared_ptr<ExternalTexture>&,
+                      const bool, base::unique_fd&&));
     MOCK_METHOD0(cleanFramebufferCache, void());
     MOCK_METHOD0(getContextPriority, int());
     MOCK_METHOD0(supportsBackgroundBlur, bool());
diff --git a/libs/renderengine/skia/Cache.cpp b/libs/renderengine/skia/Cache.cpp
index c39f0a97fd..f6b91839a3 100644
--- a/libs/renderengine/skia/Cache.cpp
+++ b/libs/renderengine/skia/Cache.cpp
@@ -364,8 +364,8 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
         const int64_t usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
 
         sp<GraphicBuffer> dstBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usage, "primeShaderCache_dst");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "primeShaderCache_dst");
 
         const auto dstTexture =
                 std::make_shared<impl::ExternalTexture>(dstBuffer, *renderengine,
@@ -375,8 +375,8 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
         // something, but the details are not important. Make use of the shadow layer drawing step
         // to populate it.
         sp<GraphicBuffer> srcBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usage, "drawImageLayer_src");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "drawImageLayer_src");
 
         const auto srcTexture = std::make_shared<
                 impl::ExternalTexture>(srcBuffer, *renderengine,
@@ -398,8 +398,9 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
         // GRALLOC_USAGE_HW_TEXTURE should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE.
         const int64_t usageExternal = GRALLOC_USAGE_HW_TEXTURE;
         sp<GraphicBuffer> externalBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usageExternal, "primeShaderCache_external");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usageExternal,
+                                        "primeShaderCache_external");
         const auto externalTexture =
                 std::make_shared<impl::ExternalTexture>(externalBuffer, *renderengine,
                                                         impl::ExternalTexture::Usage::READABLE);
@@ -409,8 +410,9 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
         // Another external texture with a different pixel format triggers useIsOpaqueWorkaround.
         // It doesn't have to be f16, but it can't be the usual 8888.
         sp<GraphicBuffer> f16ExternalBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_FP16,
-                                  1, usageExternal, "primeShaderCache_external_f16");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_FP16, 1, usageExternal,
+                                        "primeShaderCache_external_f16");
         // The F16 texture may not be usable on all devices, so check first that it was created.
         status_t error = f16ExternalBuffer->initCheck();
         if (!error) {
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 0caa9f2fbd..ff598e7ab5 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -24,24 +24,11 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <GrContextOptions.h>
-#include <SkCanvas.h>
-#include <SkColorFilter.h>
-#include <SkColorMatrix.h>
-#include <SkColorSpace.h>
-#include <SkGraphics.h>
-#include <SkImage.h>
-#include <SkImageFilters.h>
-#include <SkRegion.h>
-#include <SkShadowUtils.h>
-#include <SkSurface.h>
 #include <android-base/stringprintf.h>
 #include <gl/GrGLInterface.h>
 #include <gui/TraceUtils.h>
 #include <sync/sync.h>
-#include <ui/BlurRegion.h>
-#include <ui/DataspaceUtils.h>
 #include <ui/DebugUtils.h>
-#include <ui/GraphicBuffer.h>
 #include <utils/Trace.h>
 
 #include <cmath>
@@ -50,25 +37,7 @@
 #include <numeric>
 
 #include "../gl/GLExtensions.h"
-#include "Cache.h"
-#include "ColorSpaces.h"
-#include "SkBlendMode.h"
-#include "SkImageInfo.h"
-#include "filters/BlurFilter.h"
-#include "filters/GaussianBlurFilter.h"
-#include "filters/KawaseBlurFilter.h"
-#include "filters/LinearEffect.h"
 #include "log/log_main.h"
-#include "skia/debug/SkiaCapture.h"
-#include "skia/debug/SkiaMemoryReporter.h"
-#include "skia/filters/StretchShaderFactory.h"
-#include "system/graphics-base-v1.0.h"
-
-namespace {
-// Debugging settings
-static const bool kPrintLayerSettings = false;
-static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
-} // namespace
 
 bool checkGlError(const char* op, int lineNumber);
 
@@ -224,9 +193,10 @@ std::unique_ptr<SkiaGLRenderEngine> SkiaGLRenderEngine::create(
     }
 
     // initialize the renderer while GL is current
-    std::unique_ptr<SkiaGLRenderEngine> engine =
-            std::make_unique<SkiaGLRenderEngine>(args, display, ctxt, placeholder, protectedContext,
-                                                 protectedPlaceholder);
+    std::unique_ptr<SkiaGLRenderEngine> engine(new SkiaGLRenderEngine(args, display, ctxt,
+                                                                      placeholder, protectedContext,
+                                                                      protectedPlaceholder));
+    engine->ensureGrContextsCreated();
 
     ALOGI("OpenGL ES informations:");
     ALOGI("vendor    : %s", extensions.getVendor());
@@ -239,11 +209,6 @@ std::unique_ptr<SkiaGLRenderEngine> SkiaGLRenderEngine::create(
     return engine;
 }
 
-std::future<void> SkiaGLRenderEngine::primeCache() {
-    Cache::primeShaderCache(this);
-    return {};
-}
-
 EGLConfig SkiaGLRenderEngine::chooseEglConfig(EGLDisplay display, int format, bool logConfig) {
     status_t err;
     EGLConfig config;
@@ -283,72 +248,20 @@ EGLConfig SkiaGLRenderEngine::chooseEglConfig(EGLDisplay display, int format, bo
     return config;
 }
 
-sk_sp<SkData> SkiaGLRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
-    // This "cache" does not actually cache anything. It just allows us to
-    // monitor Skia's internal cache. So this method always returns null.
-    return nullptr;
-}
-
-void SkiaGLRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
-                                                 const SkString& description) {
-    mShadersCachedSinceLastCall++;
-    mTotalShadersCompiled++;
-    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
-}
-
-int SkiaGLRenderEngine::reportShadersCompiled() {
-    return mSkSLCacheMonitor.totalShadersCompiled();
-}
-
 SkiaGLRenderEngine::SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display,
                                        EGLContext ctxt, EGLSurface placeholder,
                                        EGLContext protectedContext, EGLSurface protectedPlaceholder)
-      : SkiaRenderEngine(args.renderEngineType),
+      : SkiaRenderEngine(args.renderEngineType,
+                         static_cast<PixelFormat>(args.pixelFormat),
+                         args.useColorManagement, args.supportsBackgroundBlur),
         mEGLDisplay(display),
         mEGLContext(ctxt),
         mPlaceholderSurface(placeholder),
         mProtectedEGLContext(protectedContext),
-        mProtectedPlaceholderSurface(protectedPlaceholder),
-        mDefaultPixelFormat(static_cast<PixelFormat>(args.pixelFormat)),
-        mUseColorManagement(args.useColorManagement) {
-    sk_sp<const GrGLInterface> glInterface(GrGLCreateNativeInterface());
-    LOG_ALWAYS_FATAL_IF(!glInterface.get());
-
-    GrContextOptions options;
-    options.fDisableDriverCorrectnessWorkarounds = true;
-    options.fDisableDistanceFieldPaths = true;
-    options.fReducedShaderVariations = true;
-    options.fPersistentCache = &mSkSLCacheMonitor;
-    mGrContext = GrDirectContext::MakeGL(glInterface, options);
-    if (supportsProtectedContent()) {
-        useProtectedContext(true);
-        mProtectedGrContext = GrDirectContext::MakeGL(glInterface, options);
-        useProtectedContext(false);
-    }
-
-    if (args.supportsBackgroundBlur) {
-        ALOGD("Background Blurs Enabled");
-        mBlurFilter = new KawaseBlurFilter();
-    }
-    mCapture = std::make_unique<SkiaCapture>();
-}
+        mProtectedPlaceholderSurface(protectedPlaceholder) { }
 
 SkiaGLRenderEngine::~SkiaGLRenderEngine() {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (mBlurFilter) {
-        delete mBlurFilter;
-    }
-
-    mCapture = nullptr;
-
-    mGrContext->flushAndSubmit(true);
-    mGrContext->abandonContext();
-
-    if (mProtectedGrContext) {
-        mProtectedGrContext->flushAndSubmit(true);
-        mProtectedGrContext->abandonContext();
-    }
-
+    finishRenderingAndAbandonContext();
     if (mPlaceholderSurface != EGL_NO_SURFACE) {
         eglDestroySurface(mEGLDisplay, mPlaceholderSurface);
     }
@@ -366,71 +279,69 @@ SkiaGLRenderEngine::~SkiaGLRenderEngine() {
     eglReleaseThread();
 }
 
-bool SkiaGLRenderEngine::supportsProtectedContent() const {
-    return mProtectedEGLContext != EGL_NO_CONTEXT;
-}
+SkiaRenderEngine::Contexts SkiaGLRenderEngine::createDirectContexts(
+    const GrContextOptions& options) {
 
-GrDirectContext* SkiaGLRenderEngine::getActiveGrContext() const {
-    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
-}
+    LOG_ALWAYS_FATAL_IF(isProtected(),
+                        "Cannot setup contexts while already in protected mode");
 
-void SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
-    if (useProtectedContext == mInProtectedContext ||
-        (useProtectedContext && !supportsProtectedContent())) {
-        return;
-    }
+    sk_sp<const GrGLInterface> glInterface = GrGLMakeNativeInterface();
 
-    // release any scratch resources before switching into a new mode
-    if (getActiveGrContext()) {
-        getActiveGrContext()->purgeUnlockedResources(true);
-    }
+    LOG_ALWAYS_FATAL_IF(!glInterface.get(), "GrGLMakeNativeInterface() failed");
 
-    const EGLSurface surface =
-            useProtectedContext ? mProtectedPlaceholderSurface : mPlaceholderSurface;
-    const EGLContext context = useProtectedContext ? mProtectedEGLContext : mEGLContext;
-
-    if (eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE) {
-        mInProtectedContext = useProtectedContext;
-        // given that we are sharing the same thread between two GrContexts we need to
-        // make sure that the thread state is reset when switching between the two.
-        if (getActiveGrContext()) {
-            getActiveGrContext()->resetContext();
-        }
+    SkiaRenderEngine::Contexts contexts;
+    contexts.first = GrDirectContext::MakeGL(glInterface, options);
+    if (supportsProtectedContentImpl()) {
+        useProtectedContextImpl(GrProtected::kYes);
+        contexts.second = GrDirectContext::MakeGL(glInterface, options);
+        useProtectedContextImpl(GrProtected::kNo);
     }
-}
 
-base::unique_fd SkiaGLRenderEngine::flush() {
-    ATRACE_CALL();
-    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
-        return base::unique_fd();
-    }
-
-    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
-    if (sync == EGL_NO_SYNC_KHR) {
-        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
-        return base::unique_fd();
-    }
+    return contexts;
+}
 
-    // native fence fd will not be populated until flush() is done.
-    glFlush();
+bool SkiaGLRenderEngine::supportsProtectedContentImpl() const {
+    return mProtectedEGLContext != EGL_NO_CONTEXT;
+}
 
-    // get the fence fd
-    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
-    eglDestroySyncKHR(mEGLDisplay, sync);
-    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
-    }
+bool SkiaGLRenderEngine::useProtectedContextImpl(GrProtected isProtected) {
+    const EGLSurface surface =
+        (isProtected == GrProtected::kYes) ?
+        mProtectedPlaceholderSurface : mPlaceholderSurface;
+    const EGLContext context = (isProtected == GrProtected::kYes) ?
+        mProtectedEGLContext : mEGLContext;
 
-    return fenceFd;
+    return eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE;
 }
 
-void SkiaGLRenderEngine::waitFence(base::borrowed_fd fenceFd) {
+void SkiaGLRenderEngine::waitFence(GrDirectContext*, base::borrowed_fd fenceFd) {
     if (fenceFd.get() >= 0 && !waitGpuFence(fenceFd)) {
         ATRACE_NAME("SkiaGLRenderEngine::waitFence");
         sync_wait(fenceFd.get(), -1);
     }
 }
 
+base::unique_fd SkiaGLRenderEngine::flushAndSubmit(GrDirectContext* grContext) {
+    base::unique_fd drawFence = flush();
+
+    bool requireSync = drawFence.get() < 0;
+    if (requireSync) {
+        ATRACE_BEGIN("Submit(sync=true)");
+    } else {
+        ATRACE_BEGIN("Submit(sync=false)");
+    }
+    bool success = grContext->submit(requireSync);
+    ATRACE_END();
+    if (!success) {
+        ALOGE("Failed to flush RenderEngine commands");
+        // Chances are, something illegal happened (Skia's internal GPU object
+        // doesn't exist, or the context was abandoned).
+        return drawFence;
+    }
+
+    return drawFence;
+}
+
 bool SkiaGLRenderEngine::waitGpuFence(base::borrowed_fd fenceFd) {
     if (!gl::GLExtensions::getInstance().hasNativeFenceSync() ||
         !gl::GLExtensions::getInstance().hasWaitSync()) {
@@ -466,960 +377,29 @@ bool SkiaGLRenderEngine::waitGpuFence(base::borrowed_fd fenceFd) {
     return true;
 }
 
-static float toDegrees(uint32_t transform) {
-    switch (transform) {
-        case ui::Transform::ROT_90:
-            return 90.0;
-        case ui::Transform::ROT_180:
-            return 180.0;
-        case ui::Transform::ROT_270:
-            return 270.0;
-        default:
-            return 0.0;
-    }
-}
-
-static SkColorMatrix toSkColorMatrix(const mat4& matrix) {
-    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
-                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
-                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
-                         matrix[3][3], 0);
-}
-
-static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
-    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
-    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
-
-    // Treat unsupported dataspaces as srgb
-    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-
-    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
-            sourceTransfer != destTransfer;
-}
-
-void SkiaGLRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
-                                                  bool isRenderable) {
-    // Only run this if RE is running on its own thread. This way the access to GL
-    // operations is guaranteed to be happening on the same thread.
-    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {
-        return;
-    }
-    // We currently don't attempt to map a buffer if the buffer contains protected content
-    // because GPU resources for protected buffers is much more limited.
-    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
-    if (isProtectedBuffer) {
-        return;
-    }
-    ATRACE_CALL();
-
-    // If we were to support caching protected buffers then we will need to switch the
-    // currently bound context if we are not already using the protected context (and subsequently
-    // switch back after the buffer is cached).  However, for non-protected content we can bind
-    // the texture in either GL context because they are initialized with the same share_context
-    // which allows the texture state to be shared between them.
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mGraphicBufferExternalRefs[buffer->getId()]++;
-
-    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
-        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->toAHardwareBuffer(),
-                                                               isRenderable, mTextureCleanupMgr);
-        cache.insert({buffer->getId(), imageTextureRef});
-    }
-}
-
-void SkiaGLRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
-        iter != mGraphicBufferExternalRefs.end()) {
-        if (iter->second == 0) {
-            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
-                  "> from RenderEngine texture, but the "
-                  "ref count was already zero!",
-                  buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-            return;
-        }
-
-        iter->second--;
-
-        // Swap contexts if needed prior to deleting this buffer
-        // See Issue 1 of
-        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
-        // when a protected context and an unprotected context are part of the same share group,
-        // protected surfaces may not be accessed by an unprotected context, implying that protected
-        // surfaces may only be freed when a protected context is active.
-        const bool inProtected = mInProtectedContext;
-        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
-
-        if (iter->second == 0) {
-            mTextureCache.erase(buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-        }
-
-        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
-        // are up-to-date.
-        if (inProtected != mInProtectedContext) {
-            useProtectedContext(inProtected);
-        }
-    }
-}
-
-bool SkiaGLRenderEngine::canSkipPostRenderCleanup() const {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    return mTextureCleanupMgr.isEmpty();
-}
-
-void SkiaGLRenderEngine::cleanupPostRender() {
+base::unique_fd SkiaGLRenderEngine::flush() {
     ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mTextureCleanupMgr.cleanup();
-}
-
-// Helper class intended to be used on the stack to ensure that texture cleanup
-// is deferred until after this class goes out of scope.
-class DeferTextureCleanup final {
-public:
-    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
-        mMgr.setDeferredStatus(true);
-    }
-    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
-
-private:
-    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
-    AutoBackendTexture::CleanupManager& mMgr;
-};
-
-sk_sp<SkShader> SkiaGLRenderEngine::createRuntimeEffectShader(
-        const RuntimeEffectShaderParameters& parameters) {
-    // The given surface will be stretched by HWUI via matrix transformation
-    // which gets similar results for most surfaces
-    // Determine later on if we need to leverage the stertch shader within
-    // surface flinger
-    const auto& stretchEffect = parameters.layer.stretchEffect;
-    auto shader = parameters.shader;
-    if (stretchEffect.hasEffect()) {
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        if (graphicBuffer && parameters.shader) {
-            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
-        }
-    }
-
-    if (parameters.requiresLinearEffect) {
-        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
-                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
-        const ui::Dataspace outputDataspace = mUseColorManagement
-                ? parameters.display.outputDataspace
-                : ui::Dataspace::V0_SRGB_LINEAR;
-
-        auto effect =
-                shaders::LinearEffect{.inputDataspace = inputDataspace,
-                                      .outputDataspace = outputDataspace,
-                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
-
-        auto effectIter = mRuntimeEffects.find(effect);
-        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
-        if (effectIter == mRuntimeEffects.end()) {
-            runtimeEffect = buildRuntimeEffect(effect);
-            mRuntimeEffects.insert({effect, runtimeEffect});
-        } else {
-            runtimeEffect = effectIter->second;
-        }
-        mat4 colorTransform = parameters.layer.colorTransform;
-
-        colorTransform *=
-                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
-                                 parameters.layerDimmingRatio, 1.f));
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
-        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
-                                        parameters.display.maxLuminance,
-                                        parameters.display.currentLuminanceNits,
-                                        parameters.layer.source.buffer.maxLuminanceNits,
-                                        hardwareBuffer, parameters.display.renderIntent);
-    }
-    return parameters.shader;
-}
-
-void SkiaGLRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
-    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-        // Record display settings when capture is running.
-        std::stringstream displaySettings;
-        PrintTo(display, &displaySettings);
-        // Store the DisplaySettings in additional information.
-        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
-                               SkData::MakeWithCString(displaySettings.str().c_str()));
-    }
-
-    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
-    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
-    // displays might have different scaling when compared to the physical screen.
-
-    canvas->clipRect(getSkRect(display.physicalDisplay));
-    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
-
-    const auto clipWidth = display.clip.width();
-    const auto clipHeight = display.clip.height();
-    auto rotatedClipWidth = clipWidth;
-    auto rotatedClipHeight = clipHeight;
-    // Scale is contingent on the rotation result.
-    if (display.orientation & ui::Transform::ROT_90) {
-        std::swap(rotatedClipWidth, rotatedClipHeight);
-    }
-    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
-            static_cast<SkScalar>(rotatedClipWidth);
-    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
-            static_cast<SkScalar>(rotatedClipHeight);
-    canvas->scale(scaleX, scaleY);
-
-    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
-    // back so that the top left corner of the clip is at (0, 0).
-    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
-    canvas->rotate(toDegrees(display.orientation));
-    canvas->translate(-clipWidth / 2, -clipHeight / 2);
-    canvas->translate(-display.clip.left, -display.clip.top);
-}
-
-class AutoSaveRestore {
-public:
-    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
-    ~AutoSaveRestore() { restore(); }
-    void replace(SkCanvas* canvas) {
-        mCanvas = canvas;
-        mSaveCount = canvas->save();
-    }
-    void restore() {
-        if (mCanvas) {
-            mCanvas->restoreToCount(mSaveCount);
-            mCanvas = nullptr;
-        }
-    }
-
-private:
-    SkCanvas* mCanvas;
-    int mSaveCount;
-};
-
-static SkRRect getBlurRRect(const BlurRegion& region) {
-    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
-    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
-                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
-                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
-                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
-    SkRRect roundedRect;
-    roundedRect.setRectRadii(rect, radii);
-    return roundedRect;
-}
-
-// Arbitrary default margin which should be close enough to zero.
-constexpr float kDefaultMargin = 0.0001f;
-static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
-    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
-    return std::abs(expected - value) < margin;
-}
-
-namespace {
-template <typename T>
-void logSettings(const T& t) {
-    std::stringstream stream;
-    PrintTo(t, &stream);
-    auto string = stream.str();
-    size_t pos = 0;
-    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
-    const size_t size = string.size();
-    while (pos < size) {
-        const size_t end = std::min(string.find("\n", pos), size);
-        ALOGD("%s", string.substr(pos, end - pos).c_str());
-        pos = end + 1;
-    }
-}
-} // namespace
-
-void SkiaGLRenderEngine::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
-        base::unique_fd&& bufferFence) {
-    ATRACE_NAME("SkiaGL::drawLayers");
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (layers.empty()) {
-        ALOGV("Drawing empty layer stack");
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
-        return;
-    }
-
-    if (buffer == nullptr) {
-        ALOGE("No output buffer provided. Aborting GPU composition.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    validateOutputBufferUsage(buffer->getBuffer());
-
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
-    DeferTextureCleanup dtc(mTextureCleanupMgr);
-
-    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
-    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
-        surfaceTextureRef = it->second;
-    } else {
-        surfaceTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->getBuffer()
-                                                                       ->toAHardwareBuffer(),
-                                                               true, mTextureCleanupMgr);
-    }
-
-    // wait on the buffer to be ready to use prior to using it
-    waitFence(bufferFence);
-
-    const ui::Dataspace dstDataspace =
-            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
-    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
-
-    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
-    if (dstCanvas == nullptr) {
-        ALOGE("Cannot acquire canvas from Skia.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    // setup color filter if necessary
-    sk_sp<SkColorFilter> displayColorTransform;
-    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
-    }
-    const bool ctModifiesAlpha =
-            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
-
-    // Find the max layer white point to determine the max luminance of the scene...
-    const float maxLayerWhitePoint = std::transform_reduce(
-            layers.cbegin(), layers.cend(), 0.f,
-            [](float left, float right) { return std::max(left, right); },
-            [&](const auto& l) { return l.whitePointNits; });
-
-    // ...and compute the dimming ratio if dimming is requested
-    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
-                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
-            ? maxLayerWhitePoint / display.targetLuminanceNits
-            : 1.f;
-
-    // Find if any layers have requested blur, we'll use that info to decide when to render to an
-    // offscreen buffer and when to render to the native buffer.
-    sk_sp<SkSurface> activeSurface(dstSurface);
-    SkCanvas* canvas = dstCanvas;
-    SkiaCapture::OffscreenState offscreenCaptureState;
-    const LayerSettings* blurCompositionLayer = nullptr;
-    if (mBlurFilter) {
-        bool requiresCompositionLayer = false;
-        for (const auto& layer : layers) {
-            // if the layer doesn't have blur or it is not visible then continue
-            if (!layerHasBlur(layer, ctModifiesAlpha)) {
-                continue;
-            }
-            if (layer.backgroundBlurRadius > 0 &&
-                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                requiresCompositionLayer = true;
-            }
-            for (auto region : layer.blurRegions) {
-                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                    requiresCompositionLayer = true;
-                }
-            }
-            if (requiresCompositionLayer) {
-                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
-                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
-                blurCompositionLayer = &layer;
-                break;
-            }
-        }
-    }
-
-    AutoSaveRestore surfaceAutoSaveRestore(canvas);
-    // Clear the entire canvas with a transparent black to prevent ghost images.
-    canvas->clear(SK_ColorTRANSPARENT);
-    initCanvas(canvas, display);
-
-    if (kPrintLayerSettings) {
-        logSettings(display);
-    }
-    for (const auto& layer : layers) {
-        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
-
-        if (kPrintLayerSettings) {
-            logSettings(layer);
-        }
-
-        sk_sp<SkImage> blurInput;
-        if (blurCompositionLayer == &layer) {
-            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
-            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
-
-            // save a snapshot of the activeSurface to use as input to the blur shaders
-            blurInput = activeSurface->makeImageSnapshot();
-
-            // blit the offscreen framebuffer into the destination AHB, but only
-            // if there are blur regions. backgroundBlurRadius blurs the entire
-            // image below, so it can skip this step.
-            if (layer.blurRegions.size()) {
-                SkPaint paint;
-                paint.setBlendMode(SkBlendMode::kSrc);
-                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
-                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
-                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
-                                              nullptr);
-                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
-                } else {
-                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
-                }
-            }
-
-            // assign dstCanvas to canvas and ensure that the canvas state is up to date
-            canvas = dstCanvas;
-            surfaceAutoSaveRestore.replace(canvas);
-            initCanvas(canvas, display);
-
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
-                                dstSurface->getCanvas()->getSaveCount());
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
-                                dstSurface->getCanvas()->getTotalMatrix());
-
-            // assign dstSurface to activeSurface
-            activeSurface = dstSurface;
-        }
-
-        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
-        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-            // Record the name of the layer if the capture is running.
-            std::stringstream layerSettings;
-            PrintTo(layer, &layerSettings);
-            // Store the LayerSettings in additional information.
-            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
-                                   SkData::MakeWithCString(layerSettings.str().c_str()));
-        }
-        // Layers have a local transform that should be applied to them
-        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
-
-        const auto [bounds, roundRectClip] =
-                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
-                                 layer.geometry.roundedCornersRadius);
-        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
-            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
-
-            // if multiple layers have blur, then we need to take a snapshot now because
-            // only the lowest layer will have blurImage populated earlier
-            if (!blurInput) {
-                blurInput = activeSurface->makeImageSnapshot();
-            }
-            // rect to be blurred in the coordinate space of blurInput
-            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
-
-            // if the clip needs to be applied then apply it now and make sure
-            // it is restored before we attempt to draw any shadows.
-            SkAutoCanvasRestore acr(canvas, true);
-            if (!roundRectClip.isEmpty()) {
-                canvas->clipRRect(roundRectClip, true);
-            }
-
-            // TODO(b/182216890): Filter out empty layers earlier
-            if (blurRect.width() > 0 && blurRect.height() > 0) {
-                if (layer.backgroundBlurRadius > 0) {
-                    ATRACE_NAME("BackgroundBlur");
-                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
-                                                              blurInput, blurRect);
-
-                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
-
-                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
-                                                blurRect, blurredImage, blurInput);
-                }
-
-                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
-                for (auto region : layer.blurRegions) {
-                    if (cachedBlurs[region.blurRadius] == nullptr) {
-                        ATRACE_NAME("BlurRegion");
-                        cachedBlurs[region.blurRadius] =
-                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
-                                                      blurRect);
-                    }
-
-                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
-                                                region.alpha, blurRect,
-                                                cachedBlurs[region.blurRadius], blurInput);
-                }
-            }
-        }
-
-        if (layer.shadow.length > 0) {
-            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
-            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
-
-            SkRRect shadowBounds, shadowClip;
-            if (layer.geometry.boundaries == layer.shadow.boundaries) {
-                shadowBounds = bounds;
-                shadowClip = roundRectClip;
-            } else {
-                std::tie(shadowBounds, shadowClip) =
-                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
-                                         layer.geometry.roundedCornersRadius);
-            }
-
-            // Technically, if bounds is a rect and roundRectClip is not empty,
-            // it means that the bounds and roundedCornersCrop were different
-            // enough that we should intersect them to find the proper shadow.
-            // In practice, this often happens when the two rectangles appear to
-            // not match due to rounding errors. Draw the rounded version, which
-            // looks more like the intent.
-            const auto& rrect =
-                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
-            drawShadow(canvas, rrect, layer.shadow);
-        }
-
-        const float layerDimmingRatio = layer.whitePointNits <= 0.f
-                ? displayDimmingRatio
-                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
-
-        const bool dimInLinearSpace = display.dimmingStage !=
-                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
-
-        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
-                (mUseColorManagement &&
-                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
-                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
-
-        // quick abort from drawing the remaining portion of the layer
-        if (layer.skipContentDraw ||
-            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
-             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
-            continue;
-        }
-
-        // If we need to map to linear space or color management is disabled, then mark the source
-        // image with the same colorspace as the destination surface so that Skia's color
-        // management is a no-op.
-        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
-                ? dstDataspace
-                : layer.sourceDataspace;
-
-        SkPaint paint;
-        if (layer.source.buffer.buffer) {
-            ATRACE_NAME("DrawImage");
-            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
-            const auto& item = layer.source.buffer;
-            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
-
-            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
-                iter != cache.end()) {
-                imageTextureRef = iter->second;
-            } else {
-                // If we didn't find the image in the cache, then create a local ref but don't cache
-                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
-                // we didn't find anything in the cache then we intentionally did not cache this
-                // buffer's resources.
-                imageTextureRef = std::make_shared<
-                        AutoBackendTexture::LocalRef>(grContext,
-                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
-                                                      false, mTextureCleanupMgr);
-            }
-
-            // if the layer's buffer has a fence, then we must must respect the fence prior to using
-            // the buffer.
-            if (layer.source.buffer.fence != nullptr) {
-                waitFence(layer.source.buffer.fence->get());
-            }
-
-            // isOpaque means we need to ignore the alpha in the image,
-            // replacing it with the alpha specified by the LayerSettings. See
-            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
-            // The proper way to do this is to use an SkColorType that ignores
-            // alpha, like kRGB_888x_SkColorType, and that is used if the
-            // incoming image is kRGBA_8888_SkColorType. However, the incoming
-            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
-            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
-            // kRGB_101010x_SkColorType, but it is not yet supported as a source
-            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
-            // meantime, we'll use a workaround that works unless we need to do
-            // any color conversion. The workaround requires that we pretend the
-            // image is already premultiplied, so that we do not premultiply it
-            // before applying SkBlendMode::kPlus.
-            const bool useIsOpaqueWorkaround = item.isOpaque &&
-                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
-                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
-            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
-                    : item.isOpaque                      ? kOpaque_SkAlphaType
-                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
-                                                         : kUnpremul_SkAlphaType;
-            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
-
-            auto texMatrix = getSkM44(item.textureTransform).asM33();
-            // textureTansform was intended to be passed directly into a shader, so when
-            // building the total matrix with the textureTransform we need to first
-            // normalize it, then apply the textureTransform, then scale back up.
-            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
-            texMatrix.postScale(image->width(), image->height());
-
-            SkMatrix matrix;
-            if (!texMatrix.invert(&matrix)) {
-                matrix = texMatrix;
-            }
-            // The shader does not respect the translation, so we add it to the texture
-            // transform for the SkImage. This will make sure that the correct layer contents
-            // are drawn in the correct part of the screen.
-            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
-
-            sk_sp<SkShader> shader;
-
-            if (layer.source.buffer.useTextureFiltering) {
-                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
-                                           SkSamplingOptions(
-                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
-                                           &matrix);
-            } else {
-                shader = image->makeShader(SkSamplingOptions(), matrix);
-            }
-
-            if (useIsOpaqueWorkaround) {
-                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
-                                          SkShaders::Color(SkColors::kBlack,
-                                                           toSkColorSpace(layerDataspace)));
-            }
-
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = !item.isOpaque &&
-                                                          item.usePremultipliedAlpha,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = dimInLinearSpace
-                                                          ? layerDimmingRatio
-                                                          : 1.f}));
-
-            // Turn on dithering when dimming beyond this (arbitrary) threshold...
-            static constexpr float kDimmingThreshold = 0.2f;
-            // ...or we're rendering an HDR layer down to an 8-bit target
-            // Most HDR standards require at least 10-bits of color depth for source content, so we
-            // can just extract the transfer function rather than dig into precise gralloc layout.
-            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
-            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
-                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
-            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
-                paint.setDither(true);
-            }
-            paint.setAlphaf(layer.alpha);
-
-            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
-                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
-
-                // SysUI creates the alpha layer as a coverage layer, which is
-                // appropriate for the DPU. Use a color matrix to convert it to
-                // a mask.
-                // TODO (b/219525258): Handle input as a mask.
-                //
-                // The color matrix will convert A8 pixels with no alpha to
-                // black, as described by this vector. If the display handles
-                // the color transform, we need to invert it to find the color
-                // that will result in black after the DPU applies the transform.
-                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
-                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
-                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
-                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
-                        black = colorSpaceMatrix * black;
-                    } else {
-                        // We'll just have to use 0,0,0 as black, which should
-                        // be close to correct.
-                        ALOGI("Could not invert colorTransform!");
-                    }
-                }
-                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
-                                          0, 0, 0, 0, black[1],
-                                          0, 0, 0, 0, black[2],
-                                          0, 0, 0, -1, 1);
-                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-                    // On the other hand, if the device doesn't handle it, we
-                    // have to apply it ourselves.
-                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
-                }
-                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
-            }
-        } else {
-            ATRACE_NAME("DrawColor");
-            const auto color = layer.source.solidColor;
-            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
-                                                                .fG = color.g,
-                                                                .fB = color.b,
-                                                                .fA = layer.alpha},
-                                                      toSkColorSpace(layerDataspace));
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = false,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = layerDimmingRatio}));
-        }
-
-        if (layer.disableBlending) {
-            paint.setBlendMode(SkBlendMode::kSrc);
-        }
-
-        // An A8 buffer will already have the proper color filter attached to
-        // its paint, including the displayColorTransform as needed.
-        if (!paint.getColorFilter()) {
-            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
-                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
-                // can assume a gamma 2.2 transfer function.
-                static constexpr float kInverseGamma22 = 1.f / 2.2f;
-                const auto gammaCorrectedDimmingRatio =
-                        std::pow(layerDimmingRatio, kInverseGamma22);
-                auto dimmingMatrix =
-                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
-                                         gammaCorrectedDimmingRatio, 1.f));
-
-                const auto colorFilter =
-                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
-                paint.setColorFilter(displayColorTransform
-                                             ? displayColorTransform->makeComposed(colorFilter)
-                                             : colorFilter);
-            } else {
-                paint.setColorFilter(displayColorTransform);
-            }
-        }
-
-        if (!roundRectClip.isEmpty()) {
-            canvas->clipRRect(roundRectClip, true);
-        }
-
-        if (!bounds.isRect()) {
-            paint.setAntiAlias(true);
-            canvas->drawRRect(bounds, paint);
-        } else {
-            canvas->drawRect(bounds.rect(), paint);
-        }
-        if (kFlushAfterEveryLayer) {
-            ATRACE_NAME("flush surface");
-            activeSurface->flush();
-        }
-    }
-    surfaceAutoSaveRestore.restore();
-    mCapture->endCapture();
-    {
-        ATRACE_NAME("flush surface");
-        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
-        activeSurface->flush();
-    }
-
-    base::unique_fd drawFence = flush();
-
-    // If flush failed or we don't support native fences, we need to force the
-    // gl command stream to be executed.
-    bool requireSync = drawFence.get() < 0;
-    if (requireSync) {
-        ATRACE_BEGIN("Submit(sync=true)");
-    } else {
-        ATRACE_BEGIN("Submit(sync=false)");
-    }
-    bool success = grContext->submit(requireSync);
-    ATRACE_END();
-    if (!success) {
-        ALOGE("Failed to flush RenderEngine commands");
-        // Chances are, something illegal happened (either the caller passed
-        // us bad parameters, or we messed up our shader generation).
-        resultPromise->set_value({INVALID_OPERATION, std::move(drawFence)});
-        return;
-    }
-
-    // checkErrors();
-    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
-    return;
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const FloatRect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const Rect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-/**
- *  Verifies that common, simple bounds + clip combinations can be converted into
- *  a single RRect draw call returning true if possible. If true the radii parameter
- *  will be filled with the correct radii values that combined with bounds param will
- *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
- */
-static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
-                                    const SkRect& insetCrop, const vec2& cornerRadius,
-                                    SkVector radii[4]) {
-    const bool leftEqual = bounds.fLeft == crop.fLeft;
-    const bool topEqual = bounds.fTop == crop.fTop;
-    const bool rightEqual = bounds.fRight == crop.fRight;
-    const bool bottomEqual = bounds.fBottom == crop.fBottom;
-
-    // In the event that the corners of the bounds only partially align with the crop we
-    // need to ensure that the resulting shape can still be represented as a round rect.
-    // In particular the round rect implementation will scale the value of all corner radii
-    // if the sum of the radius along any edge is greater than the length of that edge.
-    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
-    const bool requiredWidth = bounds.width() > (cornerRadius.x * 2);
-    const bool requiredHeight = bounds.height() > (cornerRadius.y * 2);
-    if (!requiredWidth || !requiredHeight) {
-        return false;
-    }
-
-    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
-    // contained within the cropped shape and does not need rounded.
-    // compute the UpperLeft corner radius
-    if (leftEqual && topEqual) {
-        radii[0].set(cornerRadius.x, cornerRadius.y);
-    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[0].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the UpperRight corner radius
-    if (rightEqual && topEqual) {
-        radii[1].set(cornerRadius.x, cornerRadius.y);
-    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[1].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomRight corner radius
-    if (rightEqual && bottomEqual) {
-        radii[2].set(cornerRadius.x, cornerRadius.y);
-    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[2].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomLeft corner radius
-    if (leftEqual && bottomEqual) {
-        radii[3].set(cornerRadius.x, cornerRadius.y);
-    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[3].set(0, 0);
-    } else {
-        return false;
+    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
+        return base::unique_fd();
     }
 
-    return true;
-}
-
-inline std::pair<SkRRect, SkRRect> SkiaGLRenderEngine::getBoundsAndClip(const FloatRect& boundsRect,
-                                                                        const FloatRect& cropRect,
-                                                                        const vec2& cornerRadius) {
-    const SkRect bounds = getSkRect(boundsRect);
-    const SkRect crop = getSkRect(cropRect);
-
-    SkRRect clip;
-    if (cornerRadius.x > 0 && cornerRadius.y > 0) {
-        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
-        if (bounds == crop || crop.isEmpty()) {
-            return {SkRRect::MakeRectXY(bounds, cornerRadius.x, cornerRadius.y), clip};
-        }
-
-        // This makes an effort to speed up common, simple bounds + clip combinations by
-        // converting them to a single RRect draw. It is possible there are other cases
-        // that can be converted.
-        if (crop.contains(bounds)) {
-            const auto insetCrop = crop.makeInset(cornerRadius.x, cornerRadius.y);
-            if (insetCrop.contains(bounds)) {
-                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
-            }
-
-            SkVector radii[4];
-            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
-                SkRRect intersectionBounds;
-                intersectionBounds.setRectRadii(bounds, radii);
-                return {intersectionBounds, clip};
-            }
-        }
-
-        // we didn't hit any of our fast paths so set the clip to the cropRect
-        clip.setRectXY(crop, cornerRadius.x, cornerRadius.y);
+    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
+    if (sync == EGL_NO_SYNC_KHR) {
+        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
+        return base::unique_fd();
     }
 
-    // if we hit this point then we either don't have rounded corners or we are going to rely
-    // on the clip to round the corners for us
-    return {SkRRect::MakeRect(bounds), clip};
-}
+    // native fence fd will not be populated until flush() is done.
+    glFlush();
 
-inline bool SkiaGLRenderEngine::layerHasBlur(const LayerSettings& layer,
-                                             bool colorTransformModifiesAlpha) {
-    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
-        // return false if the content is opaque and would therefore occlude the blur
-        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
-        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
-        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
+    // get the fence fd
+    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
+    eglDestroySyncKHR(mEGLDisplay, sync);
+    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
     }
-    return false;
-}
-
-inline SkColor SkiaGLRenderEngine::getSkColor(const vec4& color) {
-    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
-}
-
-inline SkM44 SkiaGLRenderEngine::getSkM44(const mat4& matrix) {
-    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
-                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
-                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
-                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
-}
 
-inline SkPoint3 SkiaGLRenderEngine::getSkPoint3(const vec3& vector) {
-    return SkPoint3::Make(vector.x, vector.y, vector.z);
-}
-
-size_t SkiaGLRenderEngine::getMaxTextureSize() const {
-    return mGrContext->maxTextureSize();
-}
-
-size_t SkiaGLRenderEngine::getMaxViewportDims() const {
-    return mGrContext->maxRenderTargetSize();
-}
-
-void SkiaGLRenderEngine::drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                                    const ShadowSettings& settings) {
-    ATRACE_CALL();
-    const float casterZ = settings.length / 2.0f;
-    const auto flags =
-            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
-
-    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
-                              getSkPoint3(settings.lightPos), settings.lightRadius,
-                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
-                              flags);
+    return fenceFd;
 }
 
 EGLContext SkiaGLRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
@@ -1539,114 +519,14 @@ int SkiaGLRenderEngine::getContextPriority() {
     return value;
 }
 
-void SkiaGLRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
-    // This cache multiplier was selected based on review of cache sizes relative
-    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
-    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
-    // conservative default based on that analysis.
-    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
-    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
-
-    // start by resizing the current context
-    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-
-    // if it is possible to switch contexts then we will resize the other context
-    const bool originalProtectedState = mInProtectedContext;
-    useProtectedContext(!mInProtectedContext);
-    if (mInProtectedContext != originalProtectedState) {
-        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-        // reset back to the initial context that was active when this method was called
-        useProtectedContext(originalProtectedState);
-    }
-}
-
-void SkiaGLRenderEngine::dump(std::string& result) {
+void SkiaGLRenderEngine::appendBackendSpecificInfoToDump(std::string& result) {
     const gl::GLExtensions& extensions = gl::GLExtensions::getInstance();
-
-    StringAppendF(&result, "\n ------------RE-----------------\n");
+    StringAppendF(&result, "\n ------------RE GLES------------\n");
     StringAppendF(&result, "EGL implementation : %s\n", extensions.getEGLVersion());
     StringAppendF(&result, "%s\n", extensions.getEGLExtensions());
     StringAppendF(&result, "GLES: %s, %s, %s\n", extensions.getVendor(), extensions.getRenderer(),
                   extensions.getVersion());
     StringAppendF(&result, "%s\n", extensions.getExtensions());
-    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
-                  supportsProtectedContent());
-    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
-    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
-                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
-
-    std::vector<ResourcePair> cpuResourceMap = {
-            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
-            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
-            {"skia/sk_resource_cache/rects-blur_", "Masks"},
-            {"skia/sk_resource_cache/tessellated", "Shadows"},
-            {"skia", "Other"},
-    };
-    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
-    SkGraphics::DumpMemoryStatistics(&cpuReporter);
-    StringAppendF(&result, "Skia CPU Caches: ");
-    cpuReporter.logTotals(result);
-    cpuReporter.logOutput(result);
-
-    {
-        std::lock_guard<std::mutex> lock(mRenderingMutex);
-
-        std::vector<ResourcePair> gpuResourceMap = {
-                {"texture_renderbuffer", "Texture/RenderBuffer"},
-                {"texture", "Texture"},
-                {"gr_text_blob_cache", "Text"},
-                {"skia", "Other"},
-        };
-        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
-        mGrContext->dumpMemoryStatistics(&gpuReporter);
-        StringAppendF(&result, "Skia's GPU Caches: ");
-        gpuReporter.logTotals(result);
-        gpuReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Wrapped Objects:\n");
-        gpuReporter.logOutput(result, true);
-
-        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
-                      mGraphicBufferExternalRefs.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
-            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
-        }
-        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
-                      mTextureCache.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        // TODO(178539829): It would be nice to know which layer these are coming from and what
-        // the texture sizes are.
-        for (const auto& [id, unused] : mTextureCache) {
-            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
-        }
-        StringAppendF(&result, "\n");
-
-        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
-        if (mProtectedGrContext) {
-            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
-        }
-        StringAppendF(&result, "Skia's GPU Protected Caches: ");
-        gpuProtectedReporter.logTotals(result);
-        gpuProtectedReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
-        gpuProtectedReporter.logOutput(result, true);
-
-        StringAppendF(&result, "\n");
-        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
-        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
-            StringAppendF(&result, "- inputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "- outputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
-                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
-        }
-    }
-    StringAppendF(&result, "\n");
 }
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index 68c336327b..af3311041d 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -41,6 +41,10 @@
 #include "filters/LinearEffect.h"
 #include "filters/StretchShaderFactory.h"
 
+class SkData;
+
+struct SkPoint3;
+
 namespace android {
 namespace renderengine {
 namespace skia {
@@ -48,36 +52,26 @@ namespace skia {
 class SkiaGLRenderEngine : public skia::SkiaRenderEngine {
 public:
     static std::unique_ptr<SkiaGLRenderEngine> create(const RenderEngineCreationArgs& args);
-    SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLContext ctxt,
-                       EGLSurface placeholder, EGLContext protectedContext,
-                       EGLSurface protectedPlaceholder);
-    ~SkiaGLRenderEngine() override EXCLUDES(mRenderingMutex);
+    ~SkiaGLRenderEngine() override;
 
-    std::future<void> primeCache() override;
-    void cleanupPostRender() override;
-    void cleanFramebufferCache() override{};
     int getContextPriority() override;
-    bool isProtected() const override { return mInProtectedContext; }
-    bool supportsProtectedContent() const override;
-    void useProtectedContext(bool useProtectedContext) override;
-    bool supportsBackgroundBlur() override { return mBlurFilter != nullptr; }
-    void onActiveDisplaySizeChanged(ui::Size size) override;
-    int reportShadersCompiled() override;
 
 protected:
-    void dump(std::string& result) override;
-    size_t getMaxTextureSize() const override;
-    size_t getMaxViewportDims() const override;
-    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;
-    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
-    bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-                            const DisplaySettings& display,
-                            const std::vector<LayerSettings>& layers,
-                            const std::shared_ptr<ExternalTexture>& buffer,
-                            const bool useFramebufferCache, base::unique_fd&& bufferFence) override;
+    // Implementations of abstract SkiaRenderEngine functions specific to
+    // rendering backend
+    virtual SkiaRenderEngine::Contexts createDirectContexts(const GrContextOptions& options);
+    bool supportsProtectedContentImpl() const override;
+    bool useProtectedContextImpl(GrProtected isProtected) override;
+    void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) override;
+    base::unique_fd flushAndSubmit(GrDirectContext* context) override;
+    void appendBackendSpecificInfoToDump(std::string& result) override;
 
 private:
+    SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLContext ctxt,
+                       EGLSurface placeholder, EGLContext protectedContext,
+                       EGLSurface protectedPlaceholder);
+    bool waitGpuFence(base::borrowed_fd fenceFd);
+    base::unique_fd flush();
     static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
     static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
                                        EGLContext shareContext,
@@ -85,107 +79,14 @@ private:
                                        Protection protection);
     static std::optional<RenderEngine::ContextPriority> createContextPriority(
             const RenderEngineCreationArgs& args);
-    static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config,
-                                                         int hwcFormat, Protection protection);
-    inline SkRect getSkRect(const FloatRect& layer);
-    inline SkRect getSkRect(const Rect& layer);
-    inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const FloatRect& bounds,
-                                                        const FloatRect& crop,
-                                                        const vec2& cornerRadius);
-    inline bool layerHasBlur(const LayerSettings& layer, bool colorTransformModifiesAlpha);
-    inline SkColor getSkColor(const vec4& color);
-    inline SkM44 getSkM44(const mat4& matrix);
-    inline SkPoint3 getSkPoint3(const vec3& vector);
-    inline GrDirectContext* getActiveGrContext() const;
-
-    base::unique_fd flush();
-    // waitFence attempts to wait in the GPU, and if unable to waits on the CPU instead.
-    void waitFence(base::borrowed_fd fenceFd);
-    bool waitGpuFence(base::borrowed_fd fenceFd);
-
-    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
-    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                    const ShadowSettings& shadowSettings);
-
-    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
-    // Otherwise it returns the input shader.
-    struct RuntimeEffectShaderParameters {
-        sk_sp<SkShader> shader;
-        const LayerSettings& layer;
-        const DisplaySettings& display;
-        bool undoPremultipliedAlpha;
-        bool requiresLinearEffect;
-        float layerDimmingRatio;
-    };
-    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+    static EGLSurface createPlaceholderEglPbufferSurface(
+            EGLDisplay display, EGLConfig config, int hwcFormat, Protection protection);
 
     EGLDisplay mEGLDisplay;
     EGLContext mEGLContext;
     EGLSurface mPlaceholderSurface;
     EGLContext mProtectedEGLContext;
     EGLSurface mProtectedPlaceholderSurface;
-    BlurFilter* mBlurFilter = nullptr;
-
-    const PixelFormat mDefaultPixelFormat;
-    const bool mUseColorManagement;
-
-    // Identifier used or various mappings of layers to various
-    // textures or shaders
-    using GraphicBufferId = uint64_t;
-
-    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
-    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
-            GUARDED_BY(mRenderingMutex);
-    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
-    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
-            GUARDED_BY(mRenderingMutex);
-    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
-            mRuntimeEffects;
-    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
-
-    StretchShaderFactory mStretchShaderFactory;
-    // Mutex guarding rendering operations, so that:
-    // 1. GL operations aren't interleaved, and
-    // 2. Internal state related to rendering that is potentially modified by
-    // multiple threads is guaranteed thread-safe.
-    mutable std::mutex mRenderingMutex;
-
-    sp<Fence> mLastDrawFence;
-
-    // Graphics context used for creating surfaces and submitting commands
-    sk_sp<GrDirectContext> mGrContext;
-    // Same as above, but for protected content (eg. DRM)
-    sk_sp<GrDirectContext> mProtectedGrContext;
-
-    bool mInProtectedContext = false;
-    // Object to capture commands send to Skia.
-    std::unique_ptr<SkiaCapture> mCapture;
-
-    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
-    // cached.
-    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
-    public:
-        SkSLCacheMonitor() = default;
-        ~SkSLCacheMonitor() override = default;
-
-        sk_sp<SkData> load(const SkData& key) override;
-
-        void store(const SkData& key, const SkData& data, const SkString& description) override;
-
-        int shadersCachedSinceLastCall() {
-            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
-            mShadersCachedSinceLastCall = 0;
-            return shadersCachedSinceLastCall;
-        }
-
-        int totalShadersCompiled() const { return mTotalShadersCompiled; }
-
-    private:
-        int mShadersCachedSinceLastCall = 0;
-        int mTotalShadersCompiled = 0;
-    };
-
-    SkSLCacheMonitor mSkSLCacheMonitor;
 };
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 1fb24f5041..413811ef99 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -20,16 +20,1245 @@
 
 #include "SkiaRenderEngine.h"
 
+#include <GrBackendSemaphore.h>
+#include <GrContextOptions.h>
+#include <SkBlendMode.h>
+#include <SkCanvas.h>
+#include <SkColor.h>
+#include <SkColorFilter.h>
+#include <SkColorMatrix.h>
+#include <SkColorSpace.h>
+#include <SkData.h>
+#include <SkGraphics.h>
+#include <SkImage.h>
+#include <SkImageFilters.h>
+#include <SkImageInfo.h>
+#include <SkM44.h>
+#include <SkMatrix.h>
+#include <SkPaint.h>
+#include <SkPath.h>
+#include <SkPoint.h>
+#include <SkPoint3.h>
+#include <SkRect.h>
+#include <SkRefCnt.h>
+#include <SkRegion.h>
+#include <SkRRect.h>
+#include <SkRuntimeEffect.h>
+#include <SkSamplingOptions.h>
+#include <SkScalar.h>
+#include <SkShader.h>
+#include <SkShadowUtils.h>
+#include <SkString.h>
+#include <SkSurface.h>
+#include <SkTileMode.h>
 #include <src/core/SkTraceEventCommon.h>
+#include <android-base/stringprintf.h>
+#include <gui/TraceUtils.h>
+#include <sync/sync.h>
+#include <ui/BlurRegion.h>
+#include <ui/DataspaceUtils.h>
+#include <ui/DebugUtils.h>
+#include <ui/GraphicBuffer.h>
+#include <utils/Trace.h>
+
+#include <cmath>
+#include <cstdint>
+#include <memory>
+#include <numeric>
+
+#include "Cache.h"
+#include "ColorSpaces.h"
+#include "filters/BlurFilter.h"
+#include "filters/GaussianBlurFilter.h"
+#include "filters/KawaseBlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "log/log_main.h"
+#include "skia/debug/SkiaCapture.h"
+#include "skia/debug/SkiaMemoryReporter.h"
+#include "skia/filters/StretchShaderFactory.h"
+#include "system/graphics-base-v1.0.h"
+
+namespace {
+
+// Debugging settings
+static const bool kPrintLayerSettings = false;
+static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
+
+} // namespace
+
+// Utility functions related to SkRect
+
+namespace {
+
+static inline SkRect getSkRect(const android::FloatRect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+static inline SkRect getSkRect(const android::Rect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+/**
+ *  Verifies that common, simple bounds + clip combinations can be converted into
+ *  a single RRect draw call returning true if possible. If true the radii parameter
+ *  will be filled with the correct radii values that combined with bounds param will
+ *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
+ */
+static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
+                                    const SkRect& insetCrop, const android::vec2& cornerRadius,
+                                    SkVector radii[4]) {
+    const bool leftEqual = bounds.fLeft == crop.fLeft;
+    const bool topEqual = bounds.fTop == crop.fTop;
+    const bool rightEqual = bounds.fRight == crop.fRight;
+    const bool bottomEqual = bounds.fBottom == crop.fBottom;
+
+    // In the event that the corners of the bounds only partially align with the crop we
+    // need to ensure that the resulting shape can still be represented as a round rect.
+    // In particular the round rect implementation will scale the value of all corner radii
+    // if the sum of the radius along any edge is greater than the length of that edge.
+    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
+    const bool requiredWidth = bounds.width() > (cornerRadius.x * 2);
+    const bool requiredHeight = bounds.height() > (cornerRadius.y * 2);
+    if (!requiredWidth || !requiredHeight) {
+        return false;
+    }
+
+    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
+    // contained within the cropped shape and does not need rounded.
+    // compute the UpperLeft corner radius
+    if (leftEqual && topEqual) {
+        radii[0].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[0].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the UpperRight corner radius
+    if (rightEqual && topEqual) {
+        radii[1].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[1].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomRight corner radius
+    if (rightEqual && bottomEqual) {
+        radii[2].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[2].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomLeft corner radius
+    if (leftEqual && bottomEqual) {
+        radii[3].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[3].set(0, 0);
+    } else {
+        return false;
+    }
+
+    return true;
+}
+
+static inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const android::FloatRect& boundsRect,
+                                                           const android::FloatRect& cropRect,
+                                                           const android::vec2& cornerRadius) {
+    const SkRect bounds = getSkRect(boundsRect);
+    const SkRect crop = getSkRect(cropRect);
+
+    SkRRect clip;
+    if (cornerRadius.x > 0 && cornerRadius.y > 0) {
+        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
+        if (bounds == crop || crop.isEmpty()) {
+            return {SkRRect::MakeRectXY(bounds, cornerRadius.x, cornerRadius.y), clip};
+        }
+
+        // This makes an effort to speed up common, simple bounds + clip combinations by
+        // converting them to a single RRect draw. It is possible there are other cases
+        // that can be converted.
+        if (crop.contains(bounds)) {
+            const auto insetCrop = crop.makeInset(cornerRadius.x, cornerRadius.y);
+            if (insetCrop.contains(bounds)) {
+                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
+            }
+
+            SkVector radii[4];
+            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
+                SkRRect intersectionBounds;
+                intersectionBounds.setRectRadii(bounds, radii);
+                return {intersectionBounds, clip};
+            }
+        }
+
+        // we didn't hit any of our fast paths so set the clip to the cropRect
+        clip.setRectXY(crop, cornerRadius.x, cornerRadius.y);
+    }
+
+    // if we hit this point then we either don't have rounded corners or we are going to rely
+    // on the clip to round the corners for us
+    return {SkRRect::MakeRect(bounds), clip};
+}
+
+static inline bool layerHasBlur(const android::renderengine::LayerSettings& layer,
+                                bool colorTransformModifiesAlpha) {
+    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
+        // return false if the content is opaque and would therefore occlude the blur
+        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
+        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
+        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
+    }
+    return false;
+}
+
+static inline SkColor getSkColor(const android::vec4& color) {
+    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
+}
+
+static inline SkM44 getSkM44(const android::mat4& matrix) {
+    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
+                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
+                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
+                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
+}
+
+static inline SkPoint3 getSkPoint3(const android::vec3& vector) {
+    return SkPoint3::Make(vector.x, vector.y, vector.z);
+}
+
+} // namespace
 
 namespace android {
 namespace renderengine {
 namespace skia {
-SkiaRenderEngine::SkiaRenderEngine(RenderEngineType type) : RenderEngine(type) {}
+
+using base::StringAppendF;
+
+std::future<void> SkiaRenderEngine::primeCache() {
+    Cache::primeShaderCache(this);
+    return {};
+}
+
+sk_sp<SkData> SkiaRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
+    // This "cache" does not actually cache anything. It just allows us to
+    // monitor Skia's internal cache. So this method always returns null.
+    return nullptr;
+}
+
+void SkiaRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
+                                               const SkString& description) {
+    mShadersCachedSinceLastCall++;
+    mTotalShadersCompiled++;
+    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
+}
+
+int SkiaRenderEngine::reportShadersCompiled() {
+    return mSkSLCacheMonitor.totalShadersCompiled();
+}
 
 void SkiaRenderEngine::setEnableTracing(bool tracingEnabled) {
     SkAndroidFrameworkTraceUtil::setEnableTracing(tracingEnabled);
 }
+
+SkiaRenderEngine::SkiaRenderEngine(
+    RenderEngineType type,
+    PixelFormat pixelFormat,
+    bool useColorManagement,
+    bool supportsBackgroundBlur) :
+    RenderEngine(type),
+    mDefaultPixelFormat(pixelFormat),
+    mUseColorManagement(useColorManagement) {
+    if (supportsBackgroundBlur) {
+        ALOGD("Background Blurs Enabled");
+        mBlurFilter = new KawaseBlurFilter();
+    }
+    mCapture = std::make_unique<SkiaCapture>();
+}
+
+SkiaRenderEngine::~SkiaRenderEngine() { }
+
+// To be called from backend dtors.
+void SkiaRenderEngine::finishRenderingAndAbandonContext() {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (mBlurFilter) {
+        delete mBlurFilter;
+    }
+
+    if (mGrContext) {
+        mGrContext->flushAndSubmit(true);
+        mGrContext->abandonContext();
+    }
+
+    if (mProtectedGrContext) {
+        mProtectedGrContext->flushAndSubmit(true);
+        mProtectedGrContext->abandonContext();
+    }
+}
+
+void SkiaRenderEngine::useProtectedContext(bool useProtectedContext) {
+    if (useProtectedContext == mInProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
+    }
+
+    // release any scratch resources before switching into a new mode
+    if (getActiveGrContext()) {
+        getActiveGrContext()->purgeUnlockedResources(true);
+    }
+
+    // Backend-specific way to switch to protected context
+    if (useProtectedContextImpl(
+            useProtectedContext ? GrProtected::kYes : GrProtected::kNo)) {
+        mInProtectedContext = useProtectedContext;
+        // given that we are sharing the same thread between two GrContexts we need to
+        // make sure that the thread state is reset when switching between the two.
+        if (getActiveGrContext()) {
+            getActiveGrContext()->resetContext();
+        }
+    }
+}
+
+GrDirectContext* SkiaRenderEngine::getActiveGrContext() {
+    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
+}
+
+static float toDegrees(uint32_t transform) {
+    switch (transform) {
+        case ui::Transform::ROT_90:
+            return 90.0;
+        case ui::Transform::ROT_180:
+            return 180.0;
+        case ui::Transform::ROT_270:
+            return 270.0;
+        default:
+            return 0.0;
+    }
+}
+
+static SkColorMatrix toSkColorMatrix(const android::mat4& matrix) {
+    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
+                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
+                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
+                         matrix[3][3], 0);
+}
+
+static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
+    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
+    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
+
+    // Treat unsupported dataspaces as srgb
+    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+
+    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
+            sourceTransfer != destTransfer;
+}
+
+void SkiaRenderEngine::ensureGrContextsCreated() {
+    if (mGrContext) {
+        return;
+    }
+
+    GrContextOptions options;
+    options.fDisableDriverCorrectnessWorkarounds = true;
+    options.fDisableDistanceFieldPaths = true;
+    options.fReducedShaderVariations = true;
+    options.fPersistentCache = &mSkSLCacheMonitor;
+    std::tie(mGrContext, mProtectedGrContext) = createDirectContexts(options);
+}
+
+void SkiaRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                                  bool isRenderable) {
+    // Only run this if RE is running on its own thread. This
+    // way the access to GL operations is guaranteed to be happening on the
+    // same thread.
+    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED &&
+        mRenderEngineType != RenderEngineType::SKIA_VK_THREADED) {
+        return;
+    }
+    // We currently don't attempt to map a buffer if the buffer contains protected content
+    // because GPU resources for protected buffers is much more limited.
+    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
+    if (isProtectedBuffer) {
+        return;
+    }
+    ATRACE_CALL();
+
+    // If we were to support caching protected buffers then we will need to switch the
+    // currently bound context if we are not already using the protected context (and subsequently
+    // switch back after the buffer is cached).  However, for non-protected content we can bind
+    // the texture in either GL context because they are initialized with the same share_context
+    // which allows the texture state to be shared between them.
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mGraphicBufferExternalRefs[buffer->getId()]++;
+
+    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
+        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->toAHardwareBuffer(),
+                                                               isRenderable, mTextureCleanupMgr);
+        cache.insert({buffer->getId(), imageTextureRef});
+    }
+}
+
+void SkiaRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
+        iter != mGraphicBufferExternalRefs.end()) {
+        if (iter->second == 0) {
+            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
+                  "> from RenderEngine texture, but the "
+                  "ref count was already zero!",
+                  buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+            return;
+        }
+
+        iter->second--;
+
+        // Swap contexts if needed prior to deleting this buffer
+        // See Issue 1 of
+        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
+        // when a protected context and an unprotected context are part of the same share group,
+        // protected surfaces may not be accessed by an unprotected context, implying that protected
+        // surfaces may only be freed when a protected context is active.
+        const bool inProtected = mInProtectedContext;
+        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+
+        if (iter->second == 0) {
+            mTextureCache.erase(buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+        }
+
+        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
+        // are up-to-date.
+        if (inProtected != mInProtectedContext) {
+            useProtectedContext(inProtected);
+        }
+    }
+}
+
+bool SkiaRenderEngine::canSkipPostRenderCleanup() const {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    return mTextureCleanupMgr.isEmpty();
+}
+
+void SkiaRenderEngine::cleanupPostRender() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mTextureCleanupMgr.cleanup();
+}
+
+sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader(
+        const RuntimeEffectShaderParameters& parameters) {
+    // The given surface will be stretched by HWUI via matrix transformation
+    // which gets similar results for most surfaces
+    // Determine later on if we need to leverage the stertch shader within
+    // surface flinger
+    const auto& stretchEffect = parameters.layer.stretchEffect;
+    auto shader = parameters.shader;
+    if (stretchEffect.hasEffect()) {
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        if (graphicBuffer && parameters.shader) {
+            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
+        }
+    }
+
+    if (parameters.requiresLinearEffect) {
+        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
+                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
+        const ui::Dataspace outputDataspace = mUseColorManagement
+                ? parameters.display.outputDataspace
+                : ui::Dataspace::V0_SRGB_LINEAR;
+
+        auto effect =
+                shaders::LinearEffect{.inputDataspace = inputDataspace,
+                                      .outputDataspace = outputDataspace,
+                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
+
+        auto effectIter = mRuntimeEffects.find(effect);
+        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
+        if (effectIter == mRuntimeEffects.end()) {
+            runtimeEffect = buildRuntimeEffect(effect);
+            mRuntimeEffects.insert({effect, runtimeEffect});
+        } else {
+            runtimeEffect = effectIter->second;
+        }
+        mat4 colorTransform = parameters.layer.colorTransform;
+
+        colorTransform *=
+                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
+                                 parameters.layerDimmingRatio, 1.f));
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
+        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
+                                        parameters.display.maxLuminance,
+                                        parameters.display.currentLuminanceNits,
+                                        parameters.layer.source.buffer.maxLuminanceNits,
+                                        hardwareBuffer, parameters.display.renderIntent);
+    }
+    return parameters.shader;
+}
+
+void SkiaRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
+    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+        // Record display settings when capture is running.
+        std::stringstream displaySettings;
+        PrintTo(display, &displaySettings);
+        // Store the DisplaySettings in additional information.
+        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
+                               SkData::MakeWithCString(displaySettings.str().c_str()));
+    }
+
+    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
+    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
+    // displays might have different scaling when compared to the physical screen.
+
+    canvas->clipRect(getSkRect(display.physicalDisplay));
+    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
+
+    const auto clipWidth = display.clip.width();
+    const auto clipHeight = display.clip.height();
+    auto rotatedClipWidth = clipWidth;
+    auto rotatedClipHeight = clipHeight;
+    // Scale is contingent on the rotation result.
+    if (display.orientation & ui::Transform::ROT_90) {
+        std::swap(rotatedClipWidth, rotatedClipHeight);
+    }
+    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
+            static_cast<SkScalar>(rotatedClipWidth);
+    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
+            static_cast<SkScalar>(rotatedClipHeight);
+    canvas->scale(scaleX, scaleY);
+
+    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
+    // back so that the top left corner of the clip is at (0, 0).
+    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
+    canvas->rotate(toDegrees(display.orientation));
+    canvas->translate(-clipWidth / 2, -clipHeight / 2);
+    canvas->translate(-display.clip.left, -display.clip.top);
+}
+
+class AutoSaveRestore {
+public:
+    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
+    ~AutoSaveRestore() { restore(); }
+    void replace(SkCanvas* canvas) {
+        mCanvas = canvas;
+        mSaveCount = canvas->save();
+    }
+    void restore() {
+        if (mCanvas) {
+            mCanvas->restoreToCount(mSaveCount);
+            mCanvas = nullptr;
+        }
+    }
+
+private:
+    SkCanvas* mCanvas;
+    int mSaveCount;
+};
+
+static SkRRect getBlurRRect(const BlurRegion& region) {
+    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
+    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
+                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
+                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
+                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
+    SkRRect roundedRect;
+    roundedRect.setRectRadii(rect, radii);
+    return roundedRect;
+}
+
+// Arbitrary default margin which should be close enough to zero.
+constexpr float kDefaultMargin = 0.0001f;
+static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
+    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
+    return std::abs(expected - value) < margin;
+}
+
+namespace {
+template <typename T>
+void logSettings(const T& t) {
+    std::stringstream stream;
+    PrintTo(t, &stream);
+    auto string = stream.str();
+    size_t pos = 0;
+    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
+    const size_t size = string.size();
+    while (pos < size) {
+        const size_t end = std::min(string.find("\n", pos), size);
+        ALOGD("%s", string.substr(pos, end - pos).c_str());
+        pos = end + 1;
+    }
+}
+} // namespace
+
+// Helper class intended to be used on the stack to ensure that texture cleanup
+// is deferred until after this class goes out of scope.
+class DeferTextureCleanup final {
+public:
+    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
+        mMgr.setDeferredStatus(true);
+    }
+    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
+
+private:
+    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
+    AutoBackendTexture::CleanupManager& mMgr;
+};
+
+void SkiaRenderEngine::drawLayersInternal(
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
+        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
+        base::unique_fd&& bufferFence) {
+    ATRACE_FORMAT("%s for %s", __func__, display.namePlusId.c_str());
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (buffer == nullptr) {
+        ALOGE("No output buffer provided. Aborting GPU composition.");
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
+        return;
+    }
+
+    validateOutputBufferUsage(buffer->getBuffer());
+
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
+    DeferTextureCleanup dtc(mTextureCleanupMgr);
+
+    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
+    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
+        surfaceTextureRef = it->second;
+    } else {
+        surfaceTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->getBuffer()
+                                                                       ->toAHardwareBuffer(),
+                                                               true, mTextureCleanupMgr);
+    }
+
+    // wait on the buffer to be ready to use prior to using it
+    waitFence(grContext, bufferFence);
+
+    const ui::Dataspace dstDataspace =
+            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
+    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
+
+    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
+    if (dstCanvas == nullptr) {
+        ALOGE("Cannot acquire canvas from Skia.");
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
+        return;
+    }
+
+    // setup color filter if necessary
+    sk_sp<SkColorFilter> displayColorTransform;
+    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
+    }
+    const bool ctModifiesAlpha =
+            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
+
+    // Find the max layer white point to determine the max luminance of the scene...
+    const float maxLayerWhitePoint = std::transform_reduce(
+            layers.cbegin(), layers.cend(), 0.f,
+            [](float left, float right) { return std::max(left, right); },
+            [&](const auto& l) { return l.whitePointNits; });
+
+    // ...and compute the dimming ratio if dimming is requested
+    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
+                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
+            ? maxLayerWhitePoint / display.targetLuminanceNits
+            : 1.f;
+
+    // Find if any layers have requested blur, we'll use that info to decide when to render to an
+    // offscreen buffer and when to render to the native buffer.
+    sk_sp<SkSurface> activeSurface(dstSurface);
+    SkCanvas* canvas = dstCanvas;
+    SkiaCapture::OffscreenState offscreenCaptureState;
+    const LayerSettings* blurCompositionLayer = nullptr;
+    if (mBlurFilter) {
+        bool requiresCompositionLayer = false;
+        for (const auto& layer : layers) {
+            // if the layer doesn't have blur or it is not visible then continue
+            if (!layerHasBlur(layer, ctModifiesAlpha)) {
+                continue;
+            }
+            if (layer.backgroundBlurRadius > 0 &&
+                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                requiresCompositionLayer = true;
+            }
+            for (auto region : layer.blurRegions) {
+                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                    requiresCompositionLayer = true;
+                }
+            }
+            if (requiresCompositionLayer) {
+                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
+                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
+                blurCompositionLayer = &layer;
+                break;
+            }
+        }
+    }
+
+    AutoSaveRestore surfaceAutoSaveRestore(canvas);
+    // Clear the entire canvas with a transparent black to prevent ghost images.
+    canvas->clear(SK_ColorTRANSPARENT);
+    initCanvas(canvas, display);
+
+    if (kPrintLayerSettings) {
+        logSettings(display);
+    }
+    for (const auto& layer : layers) {
+        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
+
+        if (kPrintLayerSettings) {
+            logSettings(layer);
+        }
+
+        sk_sp<SkImage> blurInput;
+        if (blurCompositionLayer == &layer) {
+            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
+            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
+
+            // save a snapshot of the activeSurface to use as input to the blur shaders
+            blurInput = activeSurface->makeImageSnapshot();
+
+            // blit the offscreen framebuffer into the destination AHB, but only
+            // if there are blur regions. backgroundBlurRadius blurs the entire
+            // image below, so it can skip this step.
+            if (layer.blurRegions.size()) {
+                SkPaint paint;
+                paint.setBlendMode(SkBlendMode::kSrc);
+                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
+                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
+                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
+                                              nullptr);
+                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
+                } else {
+                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
+                }
+            }
+
+            // assign dstCanvas to canvas and ensure that the canvas state is up to date
+            canvas = dstCanvas;
+            surfaceAutoSaveRestore.replace(canvas);
+            initCanvas(canvas, display);
+
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
+                                dstSurface->getCanvas()->getSaveCount());
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
+                                dstSurface->getCanvas()->getTotalMatrix());
+
+            // assign dstSurface to activeSurface
+            activeSurface = dstSurface;
+        }
+
+        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
+        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+            // Record the name of the layer if the capture is running.
+            std::stringstream layerSettings;
+            PrintTo(layer, &layerSettings);
+            // Store the LayerSettings in additional information.
+            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
+                                   SkData::MakeWithCString(layerSettings.str().c_str()));
+        }
+        // Layers have a local transform that should be applied to them
+        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
+
+        const auto [bounds, roundRectClip] =
+                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
+                                 layer.geometry.roundedCornersRadius);
+        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
+            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
+
+            // if multiple layers have blur, then we need to take a snapshot now because
+            // only the lowest layer will have blurImage populated earlier
+            if (!blurInput) {
+                blurInput = activeSurface->makeImageSnapshot();
+            }
+            // rect to be blurred in the coordinate space of blurInput
+            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
+
+            // if the clip needs to be applied then apply it now and make sure
+            // it is restored before we attempt to draw any shadows.
+            SkAutoCanvasRestore acr(canvas, true);
+            if (!roundRectClip.isEmpty()) {
+                canvas->clipRRect(roundRectClip, true);
+            }
+
+            // TODO(b/182216890): Filter out empty layers earlier
+            if (blurRect.width() > 0 && blurRect.height() > 0) {
+                if (layer.backgroundBlurRadius > 0) {
+                    ATRACE_NAME("BackgroundBlur");
+                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
+                                                              blurInput, blurRect);
+
+                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
+
+                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
+                                                blurRect, blurredImage, blurInput);
+                }
+
+                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
+                for (auto region : layer.blurRegions) {
+                    if (cachedBlurs[region.blurRadius] == nullptr) {
+                        ATRACE_NAME("BlurRegion");
+                        cachedBlurs[region.blurRadius] =
+                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
+                                                      blurRect);
+                    }
+
+                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
+                                                region.alpha, blurRect,
+                                                cachedBlurs[region.blurRadius], blurInput);
+                }
+            }
+        }
+
+        if (layer.shadow.length > 0) {
+            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
+            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
+
+            SkRRect shadowBounds, shadowClip;
+            if (layer.geometry.boundaries == layer.shadow.boundaries) {
+                shadowBounds = bounds;
+                shadowClip = roundRectClip;
+            } else {
+                std::tie(shadowBounds, shadowClip) =
+                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
+                                         layer.geometry.roundedCornersRadius);
+            }
+
+            // Technically, if bounds is a rect and roundRectClip is not empty,
+            // it means that the bounds and roundedCornersCrop were different
+            // enough that we should intersect them to find the proper shadow.
+            // In practice, this often happens when the two rectangles appear to
+            // not match due to rounding errors. Draw the rounded version, which
+            // looks more like the intent.
+            const auto& rrect =
+                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
+            drawShadow(canvas, rrect, layer.shadow);
+        }
+
+        const float layerDimmingRatio = layer.whitePointNits <= 0.f
+                ? displayDimmingRatio
+                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
+
+        const bool dimInLinearSpace = display.dimmingStage !=
+                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
+
+        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
+                (mUseColorManagement &&
+                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
+                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
+
+        // quick abort from drawing the remaining portion of the layer
+        if (layer.skipContentDraw ||
+            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
+             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
+            continue;
+        }
+
+        // If we need to map to linear space or color management is disabled, then mark the source
+        // image with the same colorspace as the destination surface so that Skia's color
+        // management is a no-op.
+        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
+                ? dstDataspace
+                : layer.sourceDataspace;
+
+        SkPaint paint;
+        if (layer.source.buffer.buffer) {
+            ATRACE_NAME("DrawImage");
+            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
+            const auto& item = layer.source.buffer;
+            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
+
+            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
+                iter != cache.end()) {
+                imageTextureRef = iter->second;
+            } else {
+                // If we didn't find the image in the cache, then create a local ref but don't cache
+                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
+                // we didn't find anything in the cache then we intentionally did not cache this
+                // buffer's resources.
+                imageTextureRef = std::make_shared<
+                        AutoBackendTexture::LocalRef>(grContext,
+                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
+                                                      false, mTextureCleanupMgr);
+            }
+
+            // if the layer's buffer has a fence, then we must must respect the fence prior to using
+            // the buffer.
+            if (layer.source.buffer.fence != nullptr) {
+                waitFence(grContext, layer.source.buffer.fence->get());
+            }
+
+            // isOpaque means we need to ignore the alpha in the image,
+            // replacing it with the alpha specified by the LayerSettings. See
+            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
+            // The proper way to do this is to use an SkColorType that ignores
+            // alpha, like kRGB_888x_SkColorType, and that is used if the
+            // incoming image is kRGBA_8888_SkColorType. However, the incoming
+            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
+            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
+            // kRGB_101010x_SkColorType, but it is not yet supported as a source
+            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
+            // meantime, we'll use a workaround that works unless we need to do
+            // any color conversion. The workaround requires that we pretend the
+            // image is already premultiplied, so that we do not premultiply it
+            // before applying SkBlendMode::kPlus.
+            const bool useIsOpaqueWorkaround = item.isOpaque &&
+                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
+                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
+            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
+                    : item.isOpaque                      ? kOpaque_SkAlphaType
+                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
+                                                         : kUnpremul_SkAlphaType;
+            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
+
+            auto texMatrix = getSkM44(item.textureTransform).asM33();
+            // textureTansform was intended to be passed directly into a shader, so when
+            // building the total matrix with the textureTransform we need to first
+            // normalize it, then apply the textureTransform, then scale back up.
+            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
+            texMatrix.postScale(image->width(), image->height());
+
+            SkMatrix matrix;
+            if (!texMatrix.invert(&matrix)) {
+                matrix = texMatrix;
+            }
+            // The shader does not respect the translation, so we add it to the texture
+            // transform for the SkImage. This will make sure that the correct layer contents
+            // are drawn in the correct part of the screen.
+            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
+
+            sk_sp<SkShader> shader;
+
+            if (layer.source.buffer.useTextureFiltering) {
+                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
+                                           SkSamplingOptions(
+                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
+                                           &matrix);
+            } else {
+                shader = image->makeShader(SkSamplingOptions(), matrix);
+            }
+
+            if (useIsOpaqueWorkaround) {
+                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
+                                          SkShaders::Color(SkColors::kBlack,
+                                                           toSkColorSpace(layerDataspace)));
+            }
+
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = !item.isOpaque &&
+                                                          item.usePremultipliedAlpha,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = dimInLinearSpace
+                                                          ? layerDimmingRatio
+                                                          : 1.f}));
+
+            // Turn on dithering when dimming beyond this (arbitrary) threshold...
+            static constexpr float kDimmingThreshold = 0.2f;
+            // ...or we're rendering an HDR layer down to an 8-bit target
+            // Most HDR standards require at least 10-bits of color depth for source content, so we
+            // can just extract the transfer function rather than dig into precise gralloc layout.
+            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
+            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
+                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
+            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
+                paint.setDither(true);
+            }
+            paint.setAlphaf(layer.alpha);
+
+            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
+                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
+
+                // SysUI creates the alpha layer as a coverage layer, which is
+                // appropriate for the DPU. Use a color matrix to convert it to
+                // a mask.
+                // TODO (b/219525258): Handle input as a mask.
+                //
+                // The color matrix will convert A8 pixels with no alpha to
+                // black, as described by this vector. If the display handles
+                // the color transform, we need to invert it to find the color
+                // that will result in black after the DPU applies the transform.
+                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
+                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
+                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
+                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
+                        black = colorSpaceMatrix * black;
+                    } else {
+                        // We'll just have to use 0,0,0 as black, which should
+                        // be close to correct.
+                        ALOGI("Could not invert colorTransform!");
+                    }
+                }
+                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
+                                          0, 0, 0, 0, black[1],
+                                          0, 0, 0, 0, black[2],
+                                          0, 0, 0, -1, 1);
+                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+                    // On the other hand, if the device doesn't handle it, we
+                    // have to apply it ourselves.
+                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
+                }
+                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
+            }
+        } else {
+            ATRACE_NAME("DrawColor");
+            const auto color = layer.source.solidColor;
+            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
+                                                                .fG = color.g,
+                                                                .fB = color.b,
+                                                                .fA = layer.alpha},
+                                                      toSkColorSpace(layerDataspace));
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = false,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = layerDimmingRatio}));
+        }
+
+        if (layer.disableBlending) {
+            paint.setBlendMode(SkBlendMode::kSrc);
+        }
+
+        // An A8 buffer will already have the proper color filter attached to
+        // its paint, including the displayColorTransform as needed.
+        if (!paint.getColorFilter()) {
+            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
+                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
+                // can assume a gamma 2.2 transfer function.
+                static constexpr float kInverseGamma22 = 1.f / 2.2f;
+                const auto gammaCorrectedDimmingRatio =
+                        std::pow(layerDimmingRatio, kInverseGamma22);
+                auto dimmingMatrix =
+                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
+                                         gammaCorrectedDimmingRatio, 1.f));
+
+                const auto colorFilter =
+                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
+                paint.setColorFilter(displayColorTransform
+                                             ? displayColorTransform->makeComposed(colorFilter)
+                                             : colorFilter);
+            } else {
+                paint.setColorFilter(displayColorTransform);
+            }
+        }
+
+        if (!roundRectClip.isEmpty()) {
+            canvas->clipRRect(roundRectClip, true);
+        }
+
+        if (!bounds.isRect()) {
+            paint.setAntiAlias(true);
+            canvas->drawRRect(bounds, paint);
+        } else {
+            canvas->drawRect(bounds.rect(), paint);
+        }
+        if (kFlushAfterEveryLayer) {
+            ATRACE_NAME("flush surface");
+            activeSurface->flush();
+        }
+    }
+    for (const auto& borderRenderInfo : display.borderInfoList) {
+        SkPaint p;
+        p.setColor(SkColor4f{borderRenderInfo.color.r, borderRenderInfo.color.g,
+                             borderRenderInfo.color.b, borderRenderInfo.color.a});
+        p.setAntiAlias(true);
+        p.setStyle(SkPaint::kStroke_Style);
+        p.setStrokeWidth(borderRenderInfo.width);
+        SkRegion sk_region;
+        SkPath path;
+
+        // Construct a final SkRegion using Regions
+        for (const auto& r : borderRenderInfo.combinedRegion) {
+            sk_region.op({r.left, r.top, r.right, r.bottom}, SkRegion::kUnion_Op);
+        }
+
+        sk_region.getBoundaryPath(&path);
+        canvas->drawPath(path, p);
+        path.close();
+    }
+
+    surfaceAutoSaveRestore.restore();
+    mCapture->endCapture();
+    {
+        ATRACE_NAME("flush surface");
+        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
+        activeSurface->flush();
+    }
+
+    base::unique_fd drawFence = flushAndSubmit(grContext);
+    resultPromise->set_value(sp<Fence>::make(std::move(drawFence)));
+}
+
+size_t SkiaRenderEngine::getMaxTextureSize() const {
+    return mGrContext->maxTextureSize();
+}
+
+size_t SkiaRenderEngine::getMaxViewportDims() const {
+    return mGrContext->maxRenderTargetSize();
+}
+
+void SkiaRenderEngine::drawShadow(SkCanvas* canvas,
+                                  const SkRRect& casterRRect,
+                                  const ShadowSettings& settings) {
+    ATRACE_CALL();
+    const float casterZ = settings.length / 2.0f;
+    const auto flags =
+            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
+
+    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
+                              getSkPoint3(settings.lightPos), settings.lightRadius,
+                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
+                              flags);
+}
+
+void SkiaRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
+    // This cache multiplier was selected based on review of cache sizes relative
+    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
+    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
+    // conservative default based on that analysis.
+    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
+    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
+
+    // start by resizing the current context
+    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+
+    // if it is possible to switch contexts then we will resize the other context
+    const bool originalProtectedState = mInProtectedContext;
+    useProtectedContext(!mInProtectedContext);
+    if (mInProtectedContext != originalProtectedState) {
+        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+        // reset back to the initial context that was active when this method was called
+        useProtectedContext(originalProtectedState);
+    }
+}
+
+void SkiaRenderEngine::dump(std::string& result) {
+    // Dump for the specific backend (GLES or Vk)
+    appendBackendSpecificInfoToDump(result);
+
+    // Info about protected content
+    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
+                  supportsProtectedContent());
+    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
+    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
+                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
+
+    std::vector<ResourcePair> cpuResourceMap = {
+            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
+            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
+            {"skia/sk_resource_cache/rects-blur_", "Masks"},
+            {"skia/sk_resource_cache/tessellated", "Shadows"},
+            {"skia", "Other"},
+    };
+    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
+    SkGraphics::DumpMemoryStatistics(&cpuReporter);
+    StringAppendF(&result, "Skia CPU Caches: ");
+    cpuReporter.logTotals(result);
+    cpuReporter.logOutput(result);
+
+    {
+        std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+        std::vector<ResourcePair> gpuResourceMap = {
+                {"texture_renderbuffer", "Texture/RenderBuffer"},
+                {"texture", "Texture"},
+                {"gr_text_blob_cache", "Text"},
+                {"skia", "Other"},
+        };
+        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
+        mGrContext->dumpMemoryStatistics(&gpuReporter);
+        StringAppendF(&result, "Skia's GPU Caches: ");
+        gpuReporter.logTotals(result);
+        gpuReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Wrapped Objects:\n");
+        gpuReporter.logOutput(result, true);
+
+        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
+                      mGraphicBufferExternalRefs.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
+            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
+        }
+        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
+                      mTextureCache.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        // TODO(178539829): It would be nice to know which layer these are coming from and what
+        // the texture sizes are.
+        for (const auto& [id, unused] : mTextureCache) {
+            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
+        }
+        StringAppendF(&result, "\n");
+
+        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
+        if (mProtectedGrContext) {
+            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
+        }
+        StringAppendF(&result, "Skia's GPU Protected Caches: ");
+        gpuProtectedReporter.logTotals(result);
+        gpuProtectedReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
+        gpuProtectedReporter.logOutput(result, true);
+
+        StringAppendF(&result, "\n");
+        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
+        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
+            StringAppendF(&result, "- inputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "- outputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
+                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
+        }
+    }
+    StringAppendF(&result, "\n");
+}
+
 } // namespace skia
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 160a18698e..1973c7d065 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -20,6 +20,31 @@
 #include <renderengine/RenderEngine.h>
 #include <sys/types.h>
 
+#include <GrBackendSemaphore.h>
+#include <GrDirectContext.h>
+#include <SkSurface.h>
+#include <android-base/thread_annotations.h>
+#include <renderengine/ExternalTexture.h>
+#include <renderengine/RenderEngine.h>
+#include <sys/types.h>
+
+#include <mutex>
+#include <unordered_map>
+
+#include "AutoBackendTexture.h"
+#include "GrContextOptions.h"
+#include "SkImageInfo.h"
+#include "SkiaRenderEngine.h"
+#include "android-base/macros.h"
+#include "debug/SkiaCapture.h"
+#include "filters/BlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "filters/StretchShaderFactory.h"
+
+class SkData;
+
+struct SkPoint3;
+
 namespace android {
 
 namespace renderengine {
@@ -31,35 +56,142 @@ namespace skia {
 
 class BlurFilter;
 
-// TODO: Put common skia stuff here that can be shared between the GL & Vulkan backends
-// Currently mostly just handles all the no-op / missing APIs
 class SkiaRenderEngine : public RenderEngine {
 public:
     static std::unique_ptr<SkiaRenderEngine> create(const RenderEngineCreationArgs& args);
-    SkiaRenderEngine(RenderEngineType type);
-    ~SkiaRenderEngine() override {}
-
-    virtual std::future<void> primeCache() override { return {}; };
-    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override{};
-    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override{};
-    virtual bool isProtected() const override { return false; } // mInProtectedContext; }
-    virtual bool supportsProtectedContent() const override { return false; };
-    virtual int getContextPriority() override { return 0; }
-    virtual int reportShadersCompiled() { return 0; }
-    virtual void setEnableTracing(bool tracingEnabled) override;
+    SkiaRenderEngine(RenderEngineType type,
+                     PixelFormat pixelFormat,
+                     bool useColorManagement,
+                     bool supportsBackgroundBlur);
+    ~SkiaRenderEngine() override;
+
+    std::future<void> primeCache() override final;
+    void cleanupPostRender() override final;
+    void cleanFramebufferCache() override final{ }
+    bool supportsBackgroundBlur() override final {
+        return mBlurFilter != nullptr;
+    }
+    void onActiveDisplaySizeChanged(ui::Size size) override final;
+    int reportShadersCompiled();
 
+    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override final{};
+    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override final{};
+    virtual void setEnableTracing(bool tracingEnabled) override final;
+
+    void useProtectedContext(bool useProtectedContext) override;
+    bool supportsProtectedContent() const override {
+        return supportsProtectedContentImpl();
+    }
+    void ensureGrContextsCreated();
 protected:
-    virtual void mapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/,
-                                          bool /*isRenderable*/) override = 0;
-    virtual void unmapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/) override = 0;
-
-    virtual void drawLayersInternal(
-            const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-            const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-            const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-            base::unique_fd&& bufferFence) override {
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
+    // This is so backends can stop the generic rendering state first before
+    // cleaning up backend-specific state
+    void finishRenderingAndAbandonContext();
+
+    // Functions that a given backend (GLES, Vulkan) must implement
+    using Contexts = std::pair<sk_sp<GrDirectContext>, sk_sp<GrDirectContext>>;
+    virtual Contexts createDirectContexts(const GrContextOptions& options) = 0;
+    virtual bool supportsProtectedContentImpl() const = 0;
+    virtual bool useProtectedContextImpl(GrProtected isProtected) = 0;
+    virtual void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) = 0;
+    virtual base::unique_fd flushAndSubmit(GrDirectContext* context) = 0;
+    virtual void appendBackendSpecificInfoToDump(std::string& result) = 0;
+
+    size_t getMaxTextureSize() const override final;
+    size_t getMaxViewportDims() const override final;
+    GrDirectContext* getActiveGrContext();
+
+    bool isProtected() const { return mInProtectedContext; }
+
+    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
+    // cached.
+    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
+    public:
+        SkSLCacheMonitor() = default;
+        ~SkSLCacheMonitor() override = default;
+
+        sk_sp<SkData> load(const SkData& key) override;
+
+        void store(const SkData& key, const SkData& data, const SkString& description) override;
+
+        int shadersCachedSinceLastCall() {
+            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
+            mShadersCachedSinceLastCall = 0;
+            return shadersCachedSinceLastCall;
+        }
+
+        int totalShadersCompiled() const { return mTotalShadersCompiled; }
+
+    private:
+        int mShadersCachedSinceLastCall = 0;
+        int mTotalShadersCompiled = 0;
+    };
+
+private:
+    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                  bool isRenderable) override final;
+    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override final;
+    bool canSkipPostRenderCleanup() const override final;
+
+    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
+    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
+                    const ShadowSettings& shadowSettings);
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+                            const DisplaySettings& display,
+                            const std::vector<LayerSettings>& layers,
+                            const std::shared_ptr<ExternalTexture>& buffer,
+                            const bool useFramebufferCache,
+                            base::unique_fd&& bufferFence) override final;
+
+    void dump(std::string& result) override final;
+
+    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
+    // Otherwise it returns the input shader.
+    struct RuntimeEffectShaderParameters {
+        sk_sp<SkShader> shader;
+        const LayerSettings& layer;
+        const DisplaySettings& display;
+        bool undoPremultipliedAlpha;
+        bool requiresLinearEffect;
+        float layerDimmingRatio;
     };
+    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+
+    const PixelFormat mDefaultPixelFormat;
+    const bool mUseColorManagement;
+
+    // Identifier used for various mappings of layers to various
+    // textures or shaders
+    using GraphicBufferId = uint64_t;
+
+    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
+    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
+            GUARDED_BY(mRenderingMutex);
+    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
+    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
+            GUARDED_BY(mRenderingMutex);
+    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
+            mRuntimeEffects;
+    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
+
+    StretchShaderFactory mStretchShaderFactory;
+
+    sp<Fence> mLastDrawFence;
+    BlurFilter* mBlurFilter = nullptr;
+
+    // Object to capture commands send to Skia.
+    std::unique_ptr<SkiaCapture> mCapture;
+
+    // Mutex guarding rendering operations, so that internal state related to
+    // rendering that is potentially modified by multiple threads is guaranteed thread-safe.
+    mutable std::mutex mRenderingMutex;
+    SkSLCacheMonitor mSkSLCacheMonitor;
+
+    // Graphics context used for creating surfaces and submitting commands
+    sk_sp<GrDirectContext> mGrContext;
+    // Same as above, but for protected content (eg. DRM)
+    sk_sp<GrDirectContext> mProtectedGrContext;
+    bool mInProtectedContext = false;
 };
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.cpp b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
new file mode 100644
index 0000000000..2b8495c3f7
--- /dev/null
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
@@ -0,0 +1,680 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Allow the SkiaVkRenderEngine class to not be compiled, to save space
+// NOTE: In order to build this class, define `RE_SKIAVK` in a build file.
+#ifdef RE_SKIAVK
+
+// #define LOG_NDEBUG 0
+#undef LOG_TAG
+#define LOG_TAG "RenderEngine"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include "SkiaVkRenderEngine.h"
+
+#include <GrBackendSemaphore.h>
+#include <GrContextOptions.h>
+#include <vk/GrVkExtensions.h>
+#include <vk/GrVkTypes.h>
+
+#include <android-base/stringprintf.h>
+#include <gui/TraceUtils.h>
+#include <sync/sync.h>
+#include <utils/Trace.h>
+
+#include <cstdint>
+#include <memory>
+#include <vector>
+
+#include <vulkan/vulkan.h>
+#include "log/log_main.h"
+
+namespace android {
+namespace renderengine {
+
+struct VulkanFuncs {
+    PFN_vkCreateSemaphore vkCreateSemaphore = nullptr;
+    PFN_vkImportSemaphoreFdKHR vkImportSemaphoreFdKHR = nullptr;
+    PFN_vkGetSemaphoreFdKHR vkGetSemaphoreFdKHR = nullptr;
+    PFN_vkDestroySemaphore vkDestroySemaphore = nullptr;
+
+    PFN_vkDeviceWaitIdle vkDeviceWaitIdle = nullptr;
+    PFN_vkDestroyDevice vkDestroyDevice = nullptr;
+    PFN_vkDestroyInstance vkDestroyInstance = nullptr;
+};
+
+struct VulkanInterface {
+    bool initialized = false;
+    VkInstance instance;
+    VkPhysicalDevice physicalDevice;
+    VkDevice device;
+    VkQueue queue;
+    int queueIndex;
+    uint32_t apiVersion;
+    GrVkExtensions grExtensions;
+    VkPhysicalDeviceFeatures2* physicalDeviceFeatures2 = nullptr;
+    VkPhysicalDeviceSamplerYcbcrConversionFeatures* samplerYcbcrConversionFeatures = nullptr;
+    VkPhysicalDeviceProtectedMemoryProperties* protectedMemoryFeatures = nullptr;
+    GrVkGetProc grGetProc;
+    bool isProtected;
+    bool isRealtimePriority;
+
+    VulkanFuncs funcs;
+
+    std::vector<std::string> instanceExtensionNames;
+    std::vector<std::string> deviceExtensionNames;
+
+    GrVkBackendContext getBackendContext() {
+        GrVkBackendContext backendContext;
+        backendContext.fInstance = instance;
+        backendContext.fPhysicalDevice = physicalDevice;
+        backendContext.fDevice = device;
+        backendContext.fQueue = queue;
+        backendContext.fGraphicsQueueIndex = queueIndex;
+        backendContext.fMaxAPIVersion = apiVersion;
+        backendContext.fVkExtensions = &grExtensions;
+        backendContext.fDeviceFeatures2 = physicalDeviceFeatures2;
+        backendContext.fGetProc = grGetProc;
+        backendContext.fProtectedContext = isProtected ? GrProtected::kYes : GrProtected::kNo;
+        return backendContext;
+    };
+
+    VkSemaphore createExportableSemaphore() {
+        VkExportSemaphoreCreateInfo exportInfo;
+        exportInfo.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO;
+        exportInfo.pNext = nullptr;
+        exportInfo.handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
+
+        VkSemaphoreCreateInfo semaphoreInfo;
+        semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+        semaphoreInfo.pNext = &exportInfo;
+        semaphoreInfo.flags = 0;
+
+        VkSemaphore semaphore;
+        VkResult err = funcs.vkCreateSemaphore(device, &semaphoreInfo, nullptr, &semaphore);
+        if (VK_SUCCESS != err) {
+            ALOGE("%s: failed to create semaphore. err %d\n", __func__, err);
+            return VK_NULL_HANDLE;
+        }
+
+        return semaphore;
+    }
+
+    // syncFd cannot be <= 0
+    VkSemaphore importSemaphoreFromSyncFd(int syncFd) {
+        VkSemaphoreCreateInfo semaphoreInfo;
+        semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+        semaphoreInfo.pNext = nullptr;
+        semaphoreInfo.flags = 0;
+
+        VkSemaphore semaphore;
+        VkResult err = funcs.vkCreateSemaphore(device, &semaphoreInfo, nullptr, &semaphore);
+        if (VK_SUCCESS != err) {
+            ALOGE("%s: failed to create import semaphore", __func__);
+            return VK_NULL_HANDLE;
+        }
+
+        VkImportSemaphoreFdInfoKHR importInfo;
+        importInfo.sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHR;
+        importInfo.pNext = nullptr;
+        importInfo.semaphore = semaphore;
+        importInfo.flags = VK_SEMAPHORE_IMPORT_TEMPORARY_BIT;
+        importInfo.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
+        importInfo.fd = syncFd;
+
+        err = funcs.vkImportSemaphoreFdKHR(device, &importInfo);
+        if (VK_SUCCESS != err) {
+            funcs.vkDestroySemaphore(device, semaphore, nullptr);
+            ALOGE("%s: failed to import semaphore", __func__);
+            return VK_NULL_HANDLE;
+        }
+
+        return semaphore;
+    }
+
+    int exportSemaphoreSyncFd(VkSemaphore semaphore) {
+        int res;
+
+        VkSemaphoreGetFdInfoKHR getFdInfo;
+        getFdInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR;
+        getFdInfo.pNext = nullptr;
+        getFdInfo.semaphore = semaphore;
+        getFdInfo.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
+
+        VkResult err = funcs.vkGetSemaphoreFdKHR(device, &getFdInfo, &res);
+        if (VK_SUCCESS != err) {
+            ALOGE("%s: failed to export semaphore, err: %d", __func__, err);
+            return -1;
+        }
+        return res;
+    }
+
+    void destroySemaphore(VkSemaphore semaphore) {
+        funcs.vkDestroySemaphore(device, semaphore, nullptr);
+    }
+};
+
+static GrVkGetProc sGetProc = [](const char* proc_name, VkInstance instance, VkDevice device) {
+    if (device != VK_NULL_HANDLE) {
+        return vkGetDeviceProcAddr(device, proc_name);
+    }
+    return vkGetInstanceProcAddr(instance, proc_name);
+};
+
+#define BAIL(fmt, ...)                                          \
+    {                                                           \
+        ALOGE("%s: " fmt ", bailing", __func__, ##__VA_ARGS__); \
+        return interface;                                       \
+    }
+
+#define CHECK_NONNULL(expr)       \
+    if ((expr) == nullptr) {      \
+        BAIL("[%s] null", #expr); \
+    }
+
+#define VK_CHECK(expr)                              \
+    if ((expr) != VK_SUCCESS) {                     \
+        BAIL("[%s] failed. err = %d", #expr, expr); \
+        return interface;                           \
+    }
+
+#define VK_GET_PROC(F)                                                           \
+    PFN_vk##F vk##F = (PFN_vk##F)vkGetInstanceProcAddr(VK_NULL_HANDLE, "vk" #F); \
+    CHECK_NONNULL(vk##F)
+#define VK_GET_INST_PROC(instance, F)                                      \
+    PFN_vk##F vk##F = (PFN_vk##F)vkGetInstanceProcAddr(instance, "vk" #F); \
+    CHECK_NONNULL(vk##F)
+#define VK_GET_DEV_PROC(device, F)                                     \
+    PFN_vk##F vk##F = (PFN_vk##F)vkGetDeviceProcAddr(device, "vk" #F); \
+    CHECK_NONNULL(vk##F)
+
+VulkanInterface initVulkanInterface(bool protectedContent = false) {
+    VulkanInterface interface;
+
+    VK_GET_PROC(EnumerateInstanceVersion);
+    uint32_t instanceVersion;
+    VK_CHECK(vkEnumerateInstanceVersion(&instanceVersion));
+
+    if (instanceVersion < VK_MAKE_VERSION(1, 1, 0)) {
+        return interface;
+    }
+
+    const VkApplicationInfo appInfo = {
+            VK_STRUCTURE_TYPE_APPLICATION_INFO, nullptr, "surfaceflinger", 0, "android platform", 0,
+            VK_MAKE_VERSION(1, 1, 0),
+    };
+
+    VK_GET_PROC(EnumerateInstanceExtensionProperties);
+
+    uint32_t extensionCount = 0;
+    VK_CHECK(vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr));
+    std::vector<VkExtensionProperties> instanceExtensions(extensionCount);
+    VK_CHECK(vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount,
+                                                    instanceExtensions.data()));
+    std::vector<const char*> enabledInstanceExtensionNames;
+    enabledInstanceExtensionNames.reserve(instanceExtensions.size());
+    interface.instanceExtensionNames.reserve(instanceExtensions.size());
+    for (const auto& instExt : instanceExtensions) {
+        enabledInstanceExtensionNames.push_back(instExt.extensionName);
+        interface.instanceExtensionNames.push_back(instExt.extensionName);
+    }
+
+    const VkInstanceCreateInfo instanceCreateInfo = {
+            VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+            nullptr,
+            0,
+            &appInfo,
+            0,
+            nullptr,
+            (uint32_t)enabledInstanceExtensionNames.size(),
+            enabledInstanceExtensionNames.data(),
+    };
+
+    VK_GET_PROC(CreateInstance);
+    VkInstance instance;
+    VK_CHECK(vkCreateInstance(&instanceCreateInfo, nullptr, &instance));
+
+    VK_GET_INST_PROC(instance, DestroyInstance);
+    interface.funcs.vkDestroyInstance = vkDestroyInstance;
+    VK_GET_INST_PROC(instance, EnumeratePhysicalDevices);
+    VK_GET_INST_PROC(instance, EnumerateDeviceExtensionProperties);
+    VK_GET_INST_PROC(instance, GetPhysicalDeviceProperties2);
+    VK_GET_INST_PROC(instance, GetPhysicalDeviceExternalSemaphoreProperties);
+    VK_GET_INST_PROC(instance, GetPhysicalDeviceQueueFamilyProperties);
+    VK_GET_INST_PROC(instance, GetPhysicalDeviceFeatures2);
+    VK_GET_INST_PROC(instance, CreateDevice);
+
+    uint32_t physdevCount;
+    VK_CHECK(vkEnumeratePhysicalDevices(instance, &physdevCount, nullptr));
+    if (physdevCount == 0) {
+        BAIL("Could not find any physical devices");
+    }
+
+    physdevCount = 1;
+    VkPhysicalDevice physicalDevice;
+    VkResult enumeratePhysDevsErr =
+            vkEnumeratePhysicalDevices(instance, &physdevCount, &physicalDevice);
+    if (enumeratePhysDevsErr != VK_SUCCESS && VK_INCOMPLETE != enumeratePhysDevsErr) {
+        BAIL("vkEnumeratePhysicalDevices failed with non-VK_INCOMPLETE error: %d",
+             enumeratePhysDevsErr);
+    }
+
+    VkPhysicalDeviceProperties2 physDevProps = {
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
+            0,
+            {},
+    };
+    VkPhysicalDeviceProtectedMemoryProperties protMemProps = {
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROTECTED_MEMORY_PROPERTIES,
+            0,
+            {},
+    };
+
+    if (protectedContent) {
+        physDevProps.pNext = &protMemProps;
+    }
+
+    vkGetPhysicalDeviceProperties2(physicalDevice, &physDevProps);
+    if (physDevProps.properties.apiVersion < VK_MAKE_VERSION(1, 1, 0)) {
+        BAIL("Could not find a Vulkan 1.1+ physical device");
+    }
+
+    // Check for syncfd support. Bail if we cannot both import and export them.
+    VkPhysicalDeviceExternalSemaphoreInfo semInfo = {
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_SEMAPHORE_INFO,
+            nullptr,
+            VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+    };
+    VkExternalSemaphoreProperties semProps = {
+            VK_STRUCTURE_TYPE_EXTERNAL_SEMAPHORE_PROPERTIES, nullptr, 0, 0, 0,
+    };
+    vkGetPhysicalDeviceExternalSemaphoreProperties(physicalDevice, &semInfo, &semProps);
+
+    bool sufficientSemaphoreSyncFdSupport = (semProps.exportFromImportedHandleTypes &
+                                             VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT) &&
+            (semProps.compatibleHandleTypes & VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT) &&
+            (semProps.externalSemaphoreFeatures & VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT) &&
+            (semProps.externalSemaphoreFeatures & VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT);
+
+    if (!sufficientSemaphoreSyncFdSupport) {
+        BAIL("Vulkan device does not support sufficient external semaphore sync fd features. "
+             "exportFromImportedHandleTypes 0x%x (needed 0x%x) "
+             "compatibleHandleTypes 0x%x (needed 0x%x) "
+             "externalSemaphoreFeatures 0x%x (needed 0x%x) ",
+             semProps.exportFromImportedHandleTypes, VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+             semProps.compatibleHandleTypes, VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+             semProps.externalSemaphoreFeatures,
+             VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT |
+                     VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT);
+    } else {
+        ALOGD("Vulkan device supports sufficient external semaphore sync fd features. "
+              "exportFromImportedHandleTypes 0x%x (needed 0x%x) "
+              "compatibleHandleTypes 0x%x (needed 0x%x) "
+              "externalSemaphoreFeatures 0x%x (needed 0x%x) ",
+              semProps.exportFromImportedHandleTypes, VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+              semProps.compatibleHandleTypes, VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
+              semProps.externalSemaphoreFeatures,
+              VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT |
+                      VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT);
+    }
+
+    uint32_t queueCount;
+    vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount, nullptr);
+    if (queueCount == 0) {
+        BAIL("Could not find queues for physical device");
+    }
+
+    std::vector<VkQueueFamilyProperties> queueProps(queueCount);
+    vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount, queueProps.data());
+
+    int graphicsQueueIndex = -1;
+    for (uint32_t i = 0; i < queueCount; ++i) {
+        if (queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
+            graphicsQueueIndex = i;
+            break;
+        }
+    }
+
+    if (graphicsQueueIndex == -1) {
+        BAIL("Could not find a graphics queue family");
+    }
+
+    uint32_t deviceExtensionCount;
+    VK_CHECK(vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &deviceExtensionCount,
+                                                  nullptr));
+    std::vector<VkExtensionProperties> deviceExtensions(deviceExtensionCount);
+    VK_CHECK(vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &deviceExtensionCount,
+                                                  deviceExtensions.data()));
+
+    std::vector<const char*> enabledDeviceExtensionNames;
+    enabledDeviceExtensionNames.reserve(deviceExtensions.size());
+    interface.deviceExtensionNames.reserve(deviceExtensions.size());
+    for (const auto& devExt : deviceExtensions) {
+        enabledDeviceExtensionNames.push_back(devExt.extensionName);
+        interface.deviceExtensionNames.push_back(devExt.extensionName);
+    }
+
+    interface.grExtensions.init(sGetProc, instance, physicalDevice,
+                                enabledInstanceExtensionNames.size(),
+                                enabledInstanceExtensionNames.data(),
+                                enabledDeviceExtensionNames.size(),
+                                enabledDeviceExtensionNames.data());
+
+    if (!interface.grExtensions.hasExtension(VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME, 1)) {
+        BAIL("Vulkan driver doesn't support external semaphore fd");
+    }
+
+    interface.physicalDeviceFeatures2 = new VkPhysicalDeviceFeatures2;
+    interface.physicalDeviceFeatures2->sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
+    interface.physicalDeviceFeatures2->pNext = nullptr;
+
+    interface.samplerYcbcrConversionFeatures = new VkPhysicalDeviceSamplerYcbcrConversionFeatures;
+    interface.samplerYcbcrConversionFeatures->sType =
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES;
+    interface.samplerYcbcrConversionFeatures->pNext = nullptr;
+
+    interface.physicalDeviceFeatures2->pNext = interface.samplerYcbcrConversionFeatures;
+    void** tailPnext = &interface.samplerYcbcrConversionFeatures->pNext;
+
+    if (protectedContent) {
+        interface.protectedMemoryFeatures = new VkPhysicalDeviceProtectedMemoryProperties;
+        interface.protectedMemoryFeatures->sType =
+                VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROTECTED_MEMORY_FEATURES;
+        interface.protectedMemoryFeatures->pNext = nullptr;
+        *tailPnext = interface.protectedMemoryFeatures;
+        tailPnext = &interface.protectedMemoryFeatures->pNext;
+    }
+
+    vkGetPhysicalDeviceFeatures2(physicalDevice, interface.physicalDeviceFeatures2);
+    // Looks like this would slow things down and we can't depend on it on all platforms
+    interface.physicalDeviceFeatures2->features.robustBufferAccess = VK_FALSE;
+
+    float queuePriorities[1] = {0.0f};
+    void* queueNextPtr = nullptr;
+
+    VkDeviceQueueGlobalPriorityCreateInfoEXT queuePriorityCreateInfo = {
+            VK_STRUCTURE_TYPE_DEVICE_QUEUE_GLOBAL_PRIORITY_CREATE_INFO_EXT,
+            nullptr,
+            // If queue priority is supported, RE should always have realtime priority.
+            VK_QUEUE_GLOBAL_PRIORITY_REALTIME_EXT,
+    };
+
+    if (interface.grExtensions.hasExtension(VK_EXT_GLOBAL_PRIORITY_EXTENSION_NAME, 2)) {
+        queueNextPtr = &queuePriorityCreateInfo;
+        interface.isRealtimePriority = true;
+    }
+
+    VkDeviceQueueCreateFlags deviceQueueCreateFlags =
+            (VkDeviceQueueCreateFlags)(protectedContent ? VK_DEVICE_QUEUE_CREATE_PROTECTED_BIT : 0);
+
+    const VkDeviceQueueCreateInfo queueInfo = {
+            VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
+            queueNextPtr,
+            deviceQueueCreateFlags,
+            (uint32_t)graphicsQueueIndex,
+            1,
+            queuePriorities,
+    };
+
+    const VkDeviceCreateInfo deviceInfo = {
+            VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
+            interface.physicalDeviceFeatures2,
+            0,
+            1,
+            &queueInfo,
+            0,
+            nullptr,
+            (uint32_t)enabledDeviceExtensionNames.size(),
+            enabledDeviceExtensionNames.data(),
+            nullptr,
+    };
+
+    ALOGD("Trying to create Vk device with protectedContent=%d", protectedContent);
+    VkDevice device;
+    VK_CHECK(vkCreateDevice(physicalDevice, &deviceInfo, nullptr, &device));
+    ALOGD("Trying to create Vk device with protectedContent=%d (success)", protectedContent);
+
+    VkQueue graphicsQueue;
+    VK_GET_DEV_PROC(device, GetDeviceQueue);
+    vkGetDeviceQueue(device, graphicsQueueIndex, 0, &graphicsQueue);
+
+    VK_GET_DEV_PROC(device, DeviceWaitIdle);
+    VK_GET_DEV_PROC(device, DestroyDevice);
+    interface.funcs.vkDeviceWaitIdle = vkDeviceWaitIdle;
+    interface.funcs.vkDestroyDevice = vkDestroyDevice;
+
+    VK_GET_DEV_PROC(device, CreateSemaphore);
+    VK_GET_DEV_PROC(device, ImportSemaphoreFdKHR);
+    VK_GET_DEV_PROC(device, GetSemaphoreFdKHR);
+    VK_GET_DEV_PROC(device, DestroySemaphore);
+    interface.funcs.vkCreateSemaphore = vkCreateSemaphore;
+    interface.funcs.vkImportSemaphoreFdKHR = vkImportSemaphoreFdKHR;
+    interface.funcs.vkGetSemaphoreFdKHR = vkGetSemaphoreFdKHR;
+    interface.funcs.vkDestroySemaphore = vkDestroySemaphore;
+
+    // At this point, everything's succeeded and we can continue
+    interface.initialized = true;
+    interface.instance = instance;
+    interface.physicalDevice = physicalDevice;
+    interface.device = device;
+    interface.queue = graphicsQueue;
+    interface.queueIndex = graphicsQueueIndex;
+    interface.apiVersion = physDevProps.properties.apiVersion;
+    // grExtensions already constructed
+    // feature pointers already constructed
+    interface.grGetProc = sGetProc;
+    interface.isProtected = protectedContent;
+    // funcs already initialized
+
+    ALOGD("%s: Success init Vulkan interface", __func__);
+    return interface;
+}
+
+void teardownVulkanInterface(VulkanInterface* interface) {
+    interface->initialized = false;
+
+    if (interface->device != VK_NULL_HANDLE) {
+        interface->funcs.vkDeviceWaitIdle(interface->device);
+        interface->funcs.vkDestroyDevice(interface->device, nullptr);
+        interface->device = VK_NULL_HANDLE;
+    }
+    if (interface->instance != VK_NULL_HANDLE) {
+        interface->funcs.vkDestroyInstance(interface->instance, nullptr);
+        interface->instance = VK_NULL_HANDLE;
+    }
+
+    if (interface->protectedMemoryFeatures) {
+        delete interface->protectedMemoryFeatures;
+    }
+
+    if (interface->samplerYcbcrConversionFeatures) {
+        delete interface->samplerYcbcrConversionFeatures;
+    }
+
+    if (interface->physicalDeviceFeatures2) {
+        delete interface->physicalDeviceFeatures2;
+    }
+
+    interface->samplerYcbcrConversionFeatures = nullptr;
+    interface->physicalDeviceFeatures2 = nullptr;
+    interface->protectedMemoryFeatures = nullptr;
+}
+
+static VulkanInterface sVulkanInterface;
+static VulkanInterface sProtectedContentVulkanInterface;
+
+static void sSetupVulkanInterface() {
+    if (!sVulkanInterface.initialized) {
+        sVulkanInterface = initVulkanInterface(false /* no protected content */);
+        // We will have to abort if non-protected VkDevice creation fails (then nothing works).
+        LOG_ALWAYS_FATAL_IF(!sVulkanInterface.initialized,
+                            "Could not initialize Vulkan RenderEngine!");
+    }
+    if (!sProtectedContentVulkanInterface.initialized) {
+        sProtectedContentVulkanInterface = initVulkanInterface(true /* protected content */);
+        if (!sProtectedContentVulkanInterface.initialized) {
+            ALOGE("Could not initialize protected content Vulkan RenderEngine.");
+        }
+    }
+}
+
+namespace skia {
+
+using base::StringAppendF;
+
+bool SkiaVkRenderEngine::canSupportSkiaVkRenderEngine() {
+    VulkanInterface temp = initVulkanInterface(false /* no protected content */);
+    ALOGD("SkiaVkRenderEngine::canSupportSkiaVkRenderEngine(): initialized == %s.",
+          temp.initialized ? "true" : "false");
+    return temp.initialized;
+}
+
+std::unique_ptr<SkiaVkRenderEngine> SkiaVkRenderEngine::create(
+        const RenderEngineCreationArgs& args) {
+    std::unique_ptr<SkiaVkRenderEngine> engine(new SkiaVkRenderEngine(args));
+    engine->ensureGrContextsCreated();
+
+    if (sVulkanInterface.initialized) {
+        ALOGD("SkiaVkRenderEngine::%s: successfully initialized SkiaVkRenderEngine", __func__);
+        return engine;
+    } else {
+        ALOGD("SkiaVkRenderEngine::%s: could not create SkiaVkRenderEngine. "
+              "Likely insufficient Vulkan support",
+              __func__);
+        return {};
+    }
+}
+
+SkiaVkRenderEngine::SkiaVkRenderEngine(const RenderEngineCreationArgs& args)
+      : SkiaRenderEngine(args.renderEngineType, static_cast<PixelFormat>(args.pixelFormat),
+                         args.useColorManagement, args.supportsBackgroundBlur) {}
+
+SkiaVkRenderEngine::~SkiaVkRenderEngine() {
+    finishRenderingAndAbandonContext();
+}
+
+SkiaRenderEngine::Contexts SkiaVkRenderEngine::createDirectContexts(
+        const GrContextOptions& options) {
+    sSetupVulkanInterface();
+
+    SkiaRenderEngine::Contexts contexts;
+    contexts.first = GrDirectContext::MakeVulkan(sVulkanInterface.getBackendContext(), options);
+    if (supportsProtectedContentImpl()) {
+        contexts.second =
+                GrDirectContext::MakeVulkan(sProtectedContentVulkanInterface.getBackendContext(),
+                                            options);
+    }
+
+    return contexts;
+}
+
+bool SkiaVkRenderEngine::supportsProtectedContentImpl() const {
+    return sProtectedContentVulkanInterface.initialized;
+}
+
+bool SkiaVkRenderEngine::useProtectedContextImpl(GrProtected) {
+    return true;
+}
+
+static void delete_semaphore(void* _semaphore) {
+    VkSemaphore semaphore = (VkSemaphore)_semaphore;
+    sVulkanInterface.destroySemaphore(semaphore);
+}
+
+static void delete_semaphore_protected(void* _semaphore) {
+    VkSemaphore semaphore = (VkSemaphore)_semaphore;
+    sProtectedContentVulkanInterface.destroySemaphore(semaphore);
+}
+
+static VulkanInterface& getVulkanInterface(bool protectedContext) {
+    if (protectedContext) {
+        return sProtectedContentVulkanInterface;
+    }
+    return sVulkanInterface;
+}
+
+void SkiaVkRenderEngine::waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) {
+    if (fenceFd.get() < 0) return;
+
+    int dupedFd = dup(fenceFd.get());
+    if (dupedFd < 0) {
+        ALOGE("failed to create duplicate fence fd: %d", dupedFd);
+        sync_wait(fenceFd.get(), -1);
+        return;
+    }
+
+    base::unique_fd fenceDup(dupedFd);
+    VkSemaphore waitSemaphore =
+            getVulkanInterface(isProtected()).importSemaphoreFromSyncFd(fenceDup.release());
+    GrBackendSemaphore beSemaphore;
+    beSemaphore.initVulkan(waitSemaphore);
+    grContext->wait(1, &beSemaphore, true /* delete after wait */);
+}
+
+base::unique_fd SkiaVkRenderEngine::flushAndSubmit(GrDirectContext* grContext) {
+    VkSemaphore signalSemaphore = getVulkanInterface(isProtected()).createExportableSemaphore();
+    GrBackendSemaphore beSignalSemaphore;
+    beSignalSemaphore.initVulkan(signalSemaphore);
+    GrFlushInfo flushInfo;
+    flushInfo.fNumSemaphores = 1;
+    flushInfo.fSignalSemaphores = &beSignalSemaphore;
+    flushInfo.fFinishedProc = isProtected() ? delete_semaphore_protected : delete_semaphore;
+    flushInfo.fFinishedContext = (void*)signalSemaphore;
+    GrSemaphoresSubmitted submitted = grContext->flush(flushInfo);
+    grContext->submit(false /* no cpu sync */);
+    int drawFenceFd = -1;
+    if (GrSemaphoresSubmitted::kYes == submitted) {
+        drawFenceFd = getVulkanInterface(isProtected()).exportSemaphoreSyncFd(signalSemaphore);
+    }
+    base::unique_fd res(drawFenceFd);
+    return res;
+}
+
+int SkiaVkRenderEngine::getContextPriority() {
+    // EGL_CONTEXT_PRIORITY_REALTIME_NV
+    constexpr int kRealtimePriority = 0x3357;
+    if (getVulkanInterface(isProtected()).isRealtimePriority) {
+        return kRealtimePriority;
+    } else {
+        return 0;
+    }
+}
+
+void SkiaVkRenderEngine::appendBackendSpecificInfoToDump(std::string& result) {
+    StringAppendF(&result, "\n ------------RE Vulkan----------\n");
+    StringAppendF(&result, "\n Vulkan device initialized: %d\n", sVulkanInterface.initialized);
+    StringAppendF(&result, "\n Vulkan protected device initialized: %d\n",
+                  sProtectedContentVulkanInterface.initialized);
+
+    if (!sVulkanInterface.initialized) {
+        return;
+    }
+
+    StringAppendF(&result, "\n Instance extensions:\n");
+    for (const auto& name : sVulkanInterface.instanceExtensionNames) {
+        StringAppendF(&result, "\n %s\n", name.c_str());
+    }
+
+    StringAppendF(&result, "\n Device extensions:\n");
+    for (const auto& name : sVulkanInterface.deviceExtensionNames) {
+        StringAppendF(&result, "\n %s\n", name.c_str());
+    }
+}
+
+} // namespace skia
+} // namespace renderengine
+} // namespace android
+#endif // RE_SKIAVK
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.h b/libs/renderengine/skia/SkiaVkRenderEngine.h
new file mode 100644
index 0000000000..1e42b80c10
--- /dev/null
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SF_SKIAVKRENDERENGINE_H_
+#define SF_SKIAVKRENDERENGINE_H_
+
+// Allow the SkiaVkRenderEngine class to not be compiled, to save space
+// NOTE: In order to build this class, define `RE_SKIAVK` in a build file.
+#ifdef RE_SKIAVK
+
+#include <vk/GrVkBackendContext.h>
+
+#include "SkiaRenderEngine.h"
+
+namespace android {
+namespace renderengine {
+namespace skia {
+
+class SkiaVkRenderEngine : public SkiaRenderEngine {
+public:
+    // Returns false if Vulkan implementation can't support SkiaVkRenderEngine.
+    static bool canSupportSkiaVkRenderEngine();
+    static std::unique_ptr<SkiaVkRenderEngine> create(const RenderEngineCreationArgs& args);
+    ~SkiaVkRenderEngine() override;
+
+    int getContextPriority() override;
+
+protected:
+    // Implementations of abstract SkiaRenderEngine functions specific to
+    // rendering backend
+    virtual SkiaRenderEngine::Contexts createDirectContexts(const GrContextOptions& options);
+    bool supportsProtectedContentImpl() const override;
+    bool useProtectedContextImpl(GrProtected isProtected) override;
+    void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) override;
+    base::unique_fd flushAndSubmit(GrDirectContext* context) override;
+    void appendBackendSpecificInfoToDump(std::string& result) override;
+
+private:
+    SkiaVkRenderEngine(const RenderEngineCreationArgs& args);
+    base::unique_fd flush();
+
+    GrVkBackendContext mBackendContext;
+};
+
+} // namespace skia
+} // namespace renderengine
+} // namespace android
+
+#endif // RE_SKIAVK
+#endif // SF_SKIAVKRENDERENGINE_H_
diff --git a/libs/renderengine/skia/debug/SkiaCapture.cpp b/libs/renderengine/skia/debug/SkiaCapture.cpp
index 856fff4b01..b21b01cc1b 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.cpp
+++ b/libs/renderengine/skia/debug/SkiaCapture.cpp
@@ -27,6 +27,9 @@
 #include <utils/Trace.h>
 
 #include "CommonPool.h"
+#include "SkCanvas.h"
+#include "SkRect.h"
+#include "SkTypeface.h"
 #include "src/utils/SkMultiPictureDocument.h"
 
 namespace android {
diff --git a/libs/renderengine/skia/debug/SkiaCapture.h b/libs/renderengine/skia/debug/SkiaCapture.h
index f1946290ca..d65a579916 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.h
+++ b/libs/renderengine/skia/debug/SkiaCapture.h
@@ -19,13 +19,15 @@
 #include <SkDocument.h>
 #include <SkNWayCanvas.h>
 #include <SkPictureRecorder.h>
+#include <SkRefCnt.h>
+#include <SkStream.h>
 #include <SkSurface.h>
+#include "tools/SkSharingProc.h"
 
 #include <chrono>
 #include <mutex>
 
 #include "CaptureTimer.h"
-#include "tools/SkSharingProc.h"
 
 namespace android {
 namespace renderengine {
diff --git a/libs/renderengine/skia/filters/BlurFilter.cpp b/libs/renderengine/skia/filters/BlurFilter.cpp
index 63cc02b7ea..2557ac9770 100644
--- a/libs/renderengine/skia/filters/BlurFilter.cpp
+++ b/libs/renderengine/skia/filters/BlurFilter.cpp
@@ -17,7 +17,6 @@
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 #include "BlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/skia/filters/GaussianBlurFilter.cpp b/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
index 55867a95cc..f3b6ab9885 100644
--- a/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
+++ b/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
@@ -18,7 +18,6 @@
 
 #include "GaussianBlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/skia/filters/KawaseBlurFilter.cpp b/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
index bfde06fd9a..e370c39a94 100644
--- a/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
+++ b/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
@@ -18,7 +18,6 @@
 
 #include "KawaseBlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/tests/Android.bp b/libs/renderengine/tests/Android.bp
index bbab792dba..6f328d738c 100644
--- a/libs/renderengine/tests/Android.bp
+++ b/libs/renderengine/tests/Android.bp
@@ -24,6 +24,7 @@ package {
 cc_test {
     name: "librenderengine_test",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "skia_deps",
         "surfaceflinger_defaults",
     ],
@@ -49,7 +50,6 @@ cc_test {
     ],
 
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libEGL",
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 8889f76ccf..7db95a7ea0 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -37,8 +37,8 @@
 #include <condition_variable>
 #include <fstream>
 
-#include "../gl/GLESRenderEngine.h"
 #include "../skia/SkiaGLRenderEngine.h"
+#include "../skia/SkiaVkRenderEngine.h"
 #include "../threaded/RenderEngineThreaded.h"
 
 constexpr int DEFAULT_DISPLAY_WIDTH = 128;
@@ -108,25 +108,25 @@ public:
     virtual std::string name() = 0;
     virtual renderengine::RenderEngine::RenderEngineType type() = 0;
     virtual std::unique_ptr<renderengine::RenderEngine> createRenderEngine() = 0;
-    virtual std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
-        return nullptr;
-    }
+    virtual bool typeSupported() = 0;
     virtual bool useColorManagement() const = 0;
 };
 
-class GLESRenderEngineFactory : public RenderEngineFactory {
+#ifdef RE_SKIAVK
+class SkiaVkRenderEngineFactory : public RenderEngineFactory {
 public:
-    std::string name() override { return "GLESRenderEngineFactory"; }
+    std::string name() override { return "SkiaVkRenderEngineFactory"; }
 
     renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
+        return renderengine::RenderEngine::RenderEngineType::SKIA_VK;
     }
 
     std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
+        std::unique_ptr<renderengine::RenderEngine> re = createSkiaVkRenderEngine();
+        return re;
     }
 
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
+    std::unique_ptr<renderengine::skia::SkiaVkRenderEngine> createSkiaVkRenderEngine() {
         renderengine::RenderEngineCreationArgs reCreationArgs =
                 renderengine::RenderEngineCreationArgs::Builder()
                         .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
@@ -139,41 +139,21 @@ public:
                         .setRenderEngineType(type())
                         .setUseColorManagerment(useColorManagement())
                         .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
+        return renderengine::skia::SkiaVkRenderEngine::create(reCreationArgs);
     }
 
+    bool typeSupported() override {
+        return skia::SkiaVkRenderEngine::canSupportSkiaVkRenderEngine();
+    }
     bool useColorManagement() const override { return false; }
+    void skip() { GTEST_SKIP(); }
 };
 
-class GLESCMRenderEngineFactory : public RenderEngineFactory {
+class SkiaVkCMRenderEngineFactory : public SkiaVkRenderEngineFactory {
 public:
-    std::string name() override { return "GLESCMRenderEngineFactory"; }
-
-    renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
-    }
-
-    std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
-    }
-
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() override {
-        renderengine::RenderEngineCreationArgs reCreationArgs =
-                renderengine::RenderEngineCreationArgs::Builder()
-                        .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
-                        .setImageCacheSize(1)
-                        .setEnableProtectedContext(false)
-                        .setPrecacheToneMapperShaderOnly(false)
-                        .setSupportsBackgroundBlur(true)
-                        .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
-                        .setRenderEngineType(type())
-                        .setUseColorManagerment(useColorManagement())
-                        .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
-    }
-
     bool useColorManagement() const override { return true; }
 };
+#endif // RE_SKIAVK
 
 class SkiaGLESRenderEngineFactory : public RenderEngineFactory {
 public:
@@ -198,6 +178,7 @@ public:
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
 
+    bool typeSupported() override { return true; }
     bool useColorManagement() const override { return false; }
 };
 
@@ -224,6 +205,7 @@ public:
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
 
+    bool typeSupported() override { return true; }
     bool useColorManagement() const override { return true; }
 };
 
@@ -232,14 +214,14 @@ public:
     std::shared_ptr<renderengine::ExternalTexture> allocateDefaultBuffer() {
         return std::make_shared<
                 renderengine::impl::
-                        ExternalTexture>(new GraphicBuffer(DEFAULT_DISPLAY_WIDTH,
-                                                           DEFAULT_DISPLAY_HEIGHT,
-                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                           GRALLOC_USAGE_SW_READ_OFTEN |
-                                                                   GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                                   GRALLOC_USAGE_HW_RENDER |
-                                                                   GRALLOC_USAGE_HW_TEXTURE,
-                                                           "output"),
+                        ExternalTexture>(sp<GraphicBuffer>::
+                                                 make(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT,
+                                                      HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                      GRALLOC_USAGE_SW_READ_OFTEN |
+                                                              GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                              GRALLOC_USAGE_HW_RENDER |
+                                                              GRALLOC_USAGE_HW_TEXTURE,
+                                                      "output"),
                                          *mRE,
                                          renderengine::impl::ExternalTexture::Usage::READABLE |
                                                  renderengine::impl::ExternalTexture::Usage::
@@ -251,12 +233,12 @@ public:
                                                                         uint32_t height) {
         return std::make_shared<
                 renderengine::impl::
-                        ExternalTexture>(new GraphicBuffer(width, height,
-                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                           GRALLOC_USAGE_SW_READ_OFTEN |
-                                                                   GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                                   GRALLOC_USAGE_HW_TEXTURE,
-                                                           "input"),
+                        ExternalTexture>(sp<GraphicBuffer>::
+                                                 make(width, height, HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                      GRALLOC_USAGE_SW_READ_OFTEN |
+                                                              GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                              GRALLOC_USAGE_HW_TEXTURE,
+                                                      "input"),
                                          *mRE,
                                          renderengine::impl::ExternalTexture::Usage::READABLE |
                                                  renderengine::impl::ExternalTexture::Usage::
@@ -285,10 +267,12 @@ public:
     }
 
     std::shared_ptr<renderengine::ExternalTexture> allocateR8Buffer(int width, int height) {
-        auto buffer = new GraphicBuffer(width, height, android::PIXEL_FORMAT_R_8, 1,
-                                        GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                GRALLOC_USAGE_HW_TEXTURE,
-                                        "r8");
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                      GRALLOC_USAGE_HW_TEXTURE);
+        auto buffer =
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(width), static_cast<uint32_t>(height),
+                                        android::PIXEL_FORMAT_R_8, 1u, kUsageFlags, "r8");
         if (buffer->initCheck() != 0) {
             // Devices are not required to support R8.
             return nullptr;
@@ -311,9 +295,6 @@ public:
         }
         for (uint32_t texName : mTexNames) {
             mRE->deleteTextures(1, &texName);
-            if (mGLESRE != nullptr) {
-                EXPECT_FALSE(mGLESRE->isTextureNameKnownForTesting(texName));
-            }
         }
         const ::testing::TestInfo* const test_info =
                 ::testing::UnitTest::GetInstance()->current_test_info();
@@ -526,20 +507,15 @@ public:
 
     void invokeDraw(const renderengine::DisplaySettings& settings,
                     const std::vector<renderengine::LayerSettings>& layers) {
-        std::future<renderengine::RenderEngineResult> result =
+        ftl::Future<FenceResult> future =
                 mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd());
+        ASSERT_TRUE(future.valid());
 
-        ASSERT_TRUE(result.valid());
-        auto [status, fence] = result.get();
-
-        ASSERT_EQ(NO_ERROR, status);
-        if (fence.ok()) {
-            sync_wait(fence.get(), -1);
-        }
+        auto result = future.get();
+        ASSERT_TRUE(result.ok());
 
-        if (layers.size() > 0 && mGLESRE != nullptr) {
-            ASSERT_TRUE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-        }
+        auto fence = result.value();
+        fence->waitForever(LOG_TAG);
     }
 
     void drawEmptyLayers() {
@@ -662,26 +638,13 @@ public:
 
     std::unique_ptr<renderengine::RenderEngine> mRE;
     std::shared_ptr<renderengine::ExternalTexture> mBuffer;
-    // GLESRenderEngine for testing GLES-specific behavior.
-    // Owened by mRE, but this is downcasted.
-    renderengine::gl::GLESRenderEngine* mGLESRE = nullptr;
 
     std::vector<uint32_t> mTexNames;
 };
 
 void RenderEngineTest::initializeRenderEngine() {
     const auto& renderEngineFactory = GetParam();
-    if (renderEngineFactory->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        // Only GLESRenderEngine exposes test-only methods. Provide a pointer to the
-        // GLESRenderEngine if we're using it so that we don't need to dynamic_cast
-        // every time.
-        std::unique_ptr<renderengine::gl::GLESRenderEngine> renderEngine =
-                renderEngineFactory->createGLESRenderEngine();
-        mGLESRE = renderEngine.get();
-        mRE = std::move(renderEngine);
-    } else {
-        mRE = renderEngineFactory->createRenderEngine();
-    }
+    mRE = renderEngineFactory->createRenderEngine();
     mBuffer = allocateDefaultBuffer();
 }
 
@@ -1002,9 +965,9 @@ void RenderEngineTest::fillBufferWithColorTransformAndSourceDataspace(
     std::vector<renderengine::LayerSettings> layers;
 
     renderengine::LayerSettings layer;
-    layer.sourceDataspace = sourceDataspace;
     layer.geometry.boundaries = Rect(1, 1).toFloatRect();
     SourceVariant::fillColor(layer, 0.5f, 0.25f, 0.125f, this);
+    layer.sourceDataspace = sourceDataspace;
     layer.alpha = 1.0f;
 
     // construct a fake color matrix
@@ -1030,13 +993,13 @@ void RenderEngineTest::fillBufferColorTransform() {
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndSourceDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {172, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {77, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {101, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {75, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_2 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {172, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {61, 0, 0, 255};
     for (const auto& [sourceDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndSourceDataspace<SourceVariant>(sourceDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1076,13 +1039,13 @@ void RenderEngineTest::fillBufferWithColorTransformAndOutputDataspace(
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndOutputDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {202, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {192, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {202, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {198, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {187, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {192, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_6 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {202, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {205, 0, 0, 255};
     for (const auto& [outputDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndOutputDataspace<SourceVariant>(outputDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1496,13 +1459,13 @@ void RenderEngineTest::tonemap(ui::Dataspace sourceDataspace, std::function<vec3
 
     auto buf = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(kGreyLevels, 1, HAL_PIXEL_FORMAT_RGBA_8888,
-                                                       1,
-                                                       GRALLOC_USAGE_SW_READ_OFTEN |
-                                                               GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                               GRALLOC_USAGE_HW_RENDER |
-                                                               GRALLOC_USAGE_HW_TEXTURE,
-                                                       "input"),
+                    ExternalTexture>(sp<GraphicBuffer>::make(kGreyLevels, 1,
+                                                             HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                             GRALLOC_USAGE_SW_READ_OFTEN |
+                                                                     GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                                     GRALLOC_USAGE_HW_RENDER |
+                                                                     GRALLOC_USAGE_HW_TEXTURE,
+                                                             "input"),
                                      *mRE,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
@@ -1529,13 +1492,13 @@ void RenderEngineTest::tonemap(ui::Dataspace sourceDataspace, std::function<vec3
 
     mBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(kGreyLevels, 1, HAL_PIXEL_FORMAT_RGBA_8888,
-                                                       1,
-                                                       GRALLOC_USAGE_SW_READ_OFTEN |
-                                                               GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                               GRALLOC_USAGE_HW_RENDER |
-                                                               GRALLOC_USAGE_HW_TEXTURE,
-                                                       "output"),
+                    ExternalTexture>(sp<GraphicBuffer>::make(kGreyLevels, 1,
+                                                             HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                             GRALLOC_USAGE_SW_READ_OFTEN |
+                                                                     GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                                     GRALLOC_USAGE_HW_RENDER |
+                                                                     GRALLOC_USAGE_HW_TEXTURE,
+                                                             "output"),
                                      *mRE,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
@@ -1597,18 +1560,57 @@ void RenderEngineTest::tonemap(ui::Dataspace sourceDataspace, std::function<vec3
     expectBufferColor(Rect(kGreyLevels, 1), generator, 2);
 }
 
+#ifdef RE_SKIAVK
+INSTANTIATE_TEST_SUITE_P(PerRenderEngineType, RenderEngineTest,
+                         testing::Values(std::make_shared<SkiaGLESRenderEngineFactory>(),
+                                         std::make_shared<SkiaGLESCMRenderEngineFactory>(),
+                                         std::make_shared<SkiaVkRenderEngineFactory>(),
+                                         std::make_shared<SkiaVkCMRenderEngineFactory>()));
+#else  // RE_SKIAVK
 INSTANTIATE_TEST_SUITE_P(PerRenderEngineType, RenderEngineTest,
-                         testing::Values(std::make_shared<GLESRenderEngineFactory>(),
-                                         std::make_shared<GLESCMRenderEngineFactory>(),
-                                         std::make_shared<SkiaGLESRenderEngineFactory>(),
+                         testing::Values(std::make_shared<SkiaGLESRenderEngineFactory>(),
                                          std::make_shared<SkiaGLESCMRenderEngineFactory>()));
+#endif // RE_SKIAVK
 
 TEST_P(RenderEngineTest, drawLayers_noLayersToDraw) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     drawEmptyLayers();
 }
 
+TEST_P(RenderEngineTest, drawLayers_fillRedBufferAndEmptyBuffer) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
+    initializeRenderEngine();
+    renderengine::DisplaySettings settings;
+    settings.physicalDisplay = fullscreenRect();
+    settings.clip = fullscreenRect();
+    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+
+    // add a red layer
+    renderengine::LayerSettings layerOne{
+            .geometry.boundaries = fullscreenRect().toFloatRect(),
+            .source.solidColor = half3(1.0f, 0.0f, 0.0f),
+            .alpha = 1.f,
+    };
+
+    std::vector<renderengine::LayerSettings> layersFirst{layerOne};
+    invokeDraw(settings, layersFirst);
+    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);
+
+    // re-draw with an empty layer above it, and we get a transparent black one
+    std::vector<renderengine::LayerSettings> layersSecond;
+    invokeDraw(settings, layersSecond);
+    expectBufferColor(fullscreenRect(), 0, 0, 0, 0);
+}
+
 TEST_P(RenderEngineTest, drawLayers_withoutBuffers_withColorTransform) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
@@ -1640,111 +1642,111 @@ TEST_P(RenderEngineTest, drawLayers_withoutBuffers_withColorTransform) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_nullOutputBuffer) {
-    initializeRenderEngine();
-
-    renderengine::DisplaySettings settings;
-    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-    std::vector<renderengine::LayerSettings> layers;
-    renderengine::LayerSettings layer;
-    layer.geometry.boundaries = fullscreenRect().toFloatRect();
-    BufferSourceVariant<ForceOpaqueBufferVariant>::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
-    layers.push_back(layer);
-    std::future<renderengine::RenderEngineResult> result =
-            mRE->drawLayers(settings, layers, nullptr, true, base::unique_fd());
-
-    ASSERT_TRUE(result.valid());
-    auto [status, fence] = result.get();
-    ASSERT_EQ(BAD_VALUE, status);
-    ASSERT_FALSE(fence.ok());
-}
-
-TEST_P(RenderEngineTest, drawLayers_doesNotCacheFramebuffer) {
-    const auto& renderEngineFactory = GetParam();
-
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        // GLES-specific test
-        return;
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
     }
-
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
     settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-    settings.physicalDisplay = fullscreenRect();
-    settings.clip = fullscreenRect();
-
     std::vector<renderengine::LayerSettings> layers;
     renderengine::LayerSettings layer;
     layer.geometry.boundaries = fullscreenRect().toFloatRect();
     BufferSourceVariant<ForceOpaqueBufferVariant>::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
-    layer.alpha = 1.0;
     layers.push_back(layer);
+    ftl::Future<FenceResult> future =
+            mRE->drawLayers(settings, layers, nullptr, true, base::unique_fd());
 
-    std::future<renderengine::RenderEngineResult> result =
-            mRE->drawLayers(settings, layers, mBuffer, false, base::unique_fd());
-    ASSERT_TRUE(result.valid());
-    auto [status, fence] = result.get();
-
-    ASSERT_EQ(NO_ERROR, status);
-    if (fence.ok()) {
-        sync_wait(fence.get(), -1);
-    }
-
-    ASSERT_FALSE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_FALSE(result.ok());
+    ASSERT_EQ(BAD_VALUE, result.error());
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedBuffer_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedBuffer<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillGreenBuffer_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillGreenBuffer<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBlueBuffer_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBlueBuffer<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedTransparentBuffer_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedTransparentBuffer<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferPhysicalOffset_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferPhysicalOffset<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate0_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate0<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate90_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate90<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate180_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate180<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate270_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate270<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferLayerTransform_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferLayerTransform<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransform<ColorSourceVariant>();
 }
@@ -1752,12 +1754,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_colorSource) {
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_sourceDataspace) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1767,12 +1765,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_sourceDataspace) {
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_outputDataspace) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1780,81 +1774,129 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_outputDataspace) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferRoundedCorners_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferWithRoundedCorners<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransformZeroLayerAlpha<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferAndBlurBackground<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillSmallLayerAndBlurBackground_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillSmallLayerAndBlurBackground<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_overlayCorners_colorSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     overlayCorners<ColorSourceVariant>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedBuffer_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedBuffer<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillGreenBuffer_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillGreenBuffer<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBlueBuffer_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBlueBuffer<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedTransparentBuffer_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedTransparentBuffer<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferPhysicalOffset_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferPhysicalOffset<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate0_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate0<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate90_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate90<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate180_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate180<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate270_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate270<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferLayerTransform_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferLayerTransform<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransform<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
@@ -1862,12 +1904,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_opaqueBufferSource)
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndSourceDataspace_opaqueBufferSource) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1877,12 +1915,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndSourceDataspace_o
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndOutputDataspace_opaqueBufferSource) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1890,81 +1924,129 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndOutputDataspace_o
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferRoundedCorners_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferWithRoundedCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferAndBlurBackground<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillSmallLayerAndBlurBackground_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillSmallLayerAndBlurBackground<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_overlayCorners_opaqueBufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     overlayCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedBuffer_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedBuffer<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillGreenBuffer_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillGreenBuffer<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBlueBuffer_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBlueBuffer<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedTransparentBuffer_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillRedTransparentBuffer<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferPhysicalOffset_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferPhysicalOffset<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate0_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate0<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate90_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate90<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate180_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate180<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferCheckersRotate270_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferCheckersRotate270<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferLayerTransform_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferLayerTransform<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransform<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
@@ -1972,12 +2054,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransform_bufferSource) {
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndSourceDataspace_bufferSource) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1987,12 +2065,8 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndSourceDataspace_b
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndOutputDataspace_bufferSource) {
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
-    if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!renderEngineFactory->typeSupported() || !renderEngineFactory->useColorManagement()) {
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -2000,46 +2074,73 @@ TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformAndOutputDataspace_b
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferRoundedCorners_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferWithRoundedCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferAndBlurBackground<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillSmallLayerAndBlurBackground_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillSmallLayerAndBlurBackground<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_overlayCorners_bufferSource) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     overlayCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferTextureTransform) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferTextureTransform();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBuffer_premultipliesAlpha) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferWithPremultiplyAlpha();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillBuffer_withoutPremultiplyingAlpha) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
     fillBufferWithoutPremultiplyAlpha();
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_castsWithoutCasterLayer) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 backgroundColor(static_cast<uint8_t>(255), static_cast<uint8_t>(255),
@@ -2056,6 +2157,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_castsWithoutCasterLayer) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_casterLayerMinSize) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 casterColor(static_cast<uint8_t>(255), static_cast<uint8_t>(0),
@@ -2077,6 +2181,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_casterLayerMinSize) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_casterColorLayer) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 casterColor(static_cast<uint8_t>(255), static_cast<uint8_t>(0),
@@ -2099,6 +2206,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_casterColorLayer) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_casterOpaqueBufferLayer) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 casterColor(static_cast<uint8_t>(255), static_cast<uint8_t>(0),
@@ -2122,6 +2232,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_casterOpaqueBufferLayer) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_casterWithRoundedCorner) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 casterColor(static_cast<uint8_t>(255), static_cast<uint8_t>(0),
@@ -2146,6 +2259,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_casterWithRoundedCorner) {
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillShadow_translucentCasterWithAlpha) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ubyte4 casterColor(255, 0, 0, 255);
@@ -2173,6 +2289,9 @@ TEST_P(RenderEngineTest, drawLayers_fillShadow_translucentCasterWithAlpha) {
 }
 
 TEST_P(RenderEngineTest, cleanupPostRender_cleansUpOnce) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
@@ -2187,28 +2306,36 @@ TEST_P(RenderEngineTest, cleanupPostRender_cleansUpOnce) {
     layer.alpha = 1.0;
     layers.push_back(layer);
 
-    std::future<renderengine::RenderEngineResult> resultOne =
+    ftl::Future<FenceResult> futureOne =
             mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd());
-    ASSERT_TRUE(resultOne.valid());
-    auto [statusOne, fenceOne] = resultOne.get();
-    ASSERT_EQ(NO_ERROR, statusOne);
-
-    std::future<renderengine::RenderEngineResult> resultTwo =
-            mRE->drawLayers(settings, layers, mBuffer, true, std::move(fenceOne));
-    ASSERT_TRUE(resultTwo.valid());
-    auto [statusTwo, fenceTwo] = resultTwo.get();
-    ASSERT_EQ(NO_ERROR, statusTwo);
-    if (fenceTwo.ok()) {
-        sync_wait(fenceTwo.get(), -1);
-    }
+    ASSERT_TRUE(futureOne.valid());
+    auto resultOne = futureOne.get();
+    ASSERT_TRUE(resultOne.ok());
+    auto fenceOne = resultOne.value();
+
+    ftl::Future<FenceResult> futureTwo =
+            mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd(fenceOne->dup()));
+    ASSERT_TRUE(futureTwo.valid());
+    auto resultTwo = futureTwo.get();
+    ASSERT_TRUE(resultTwo.ok());
+    auto fenceTwo = resultTwo.value();
+    fenceTwo->waitForever(LOG_TAG);
 
     // Only cleanup the first time.
-    EXPECT_FALSE(mRE->canSkipPostRenderCleanup());
-    mRE->cleanupPostRender();
-    EXPECT_TRUE(mRE->canSkipPostRenderCleanup());
+    if (mRE->canSkipPostRenderCleanup()) {
+        // Skia's Vk backend may keep the texture alive beyond drawLayersInternal, so
+        // it never gets added to the cleanup list. In those cases, we can skip.
+        EXPECT_TRUE(GetParam()->type() == renderengine::RenderEngine::RenderEngineType::SKIA_VK);
+    } else {
+        mRE->cleanupPostRender();
+        EXPECT_TRUE(mRE->canSkipPostRenderCleanup());
+    }
 }
 
 TEST_P(RenderEngineTest, testRoundedCornersCrop) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
@@ -2259,6 +2386,9 @@ TEST_P(RenderEngineTest, testRoundedCornersCrop) {
 }
 
 TEST_P(RenderEngineTest, testRoundedCornersParentCrop) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
@@ -2304,6 +2434,9 @@ TEST_P(RenderEngineTest, testRoundedCornersParentCrop) {
 }
 
 TEST_P(RenderEngineTest, testRoundedCornersParentCropSmallBounds) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     renderengine::DisplaySettings settings;
@@ -2381,6 +2514,9 @@ TEST_P(RenderEngineTest, testRoundedCornersXY) {
 }
 
 TEST_P(RenderEngineTest, testClear) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const auto rect = fullscreenRect();
@@ -2410,6 +2546,9 @@ TEST_P(RenderEngineTest, testClear) {
 }
 
 TEST_P(RenderEngineTest, testDisableBlendingBuffer) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const auto rect = Rect(0, 0, 1, 1);
@@ -2457,11 +2596,59 @@ TEST_P(RenderEngineTest, testDisableBlendingBuffer) {
     expectBufferColor(rect, 0, 128, 0, 128);
 }
 
-TEST_P(RenderEngineTest, testDimming) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+TEST_P(RenderEngineTest, testBorder) {
+    if (GetParam()->type() != renderengine::RenderEngine::RenderEngineType::SKIA_GL) {
         GTEST_SKIP();
     }
 
+    if (!GetParam()->useColorManagement()) {
+        GTEST_SKIP();
+    }
+
+    initializeRenderEngine();
+
+    const ui::Dataspace dataspace = ui::Dataspace::V0_SRGB;
+
+    const auto displayRect = Rect(1080, 2280);
+    renderengine::DisplaySettings display{
+            .physicalDisplay = displayRect,
+            .clip = displayRect,
+            .outputDataspace = dataspace,
+    };
+    display.borderInfoList.clear();
+    renderengine::BorderRenderInfo info;
+    info.combinedRegion = Region(Rect(99, 99, 199, 199));
+    info.width = 20.0f;
+    info.color = half4{1.0f, 128.0f / 255.0f, 0.0f, 1.0f};
+    display.borderInfoList.emplace_back(info);
+
+    const auto greenBuffer = allocateAndFillSourceBuffer(1, 1, ubyte4(0, 255, 0, 255));
+    const renderengine::LayerSettings greenLayer{
+            .geometry.boundaries = FloatRect(0.f, 0.f, 1.f, 1.f),
+            .source =
+                    renderengine::PixelSource{
+                            .buffer =
+                                    renderengine::Buffer{
+                                            .buffer = greenBuffer,
+                                            .usePremultipliedAlpha = true,
+                                    },
+                    },
+            .alpha = 1.0f,
+            .sourceDataspace = dataspace,
+            .whitePointNits = 200.f,
+    };
+
+    std::vector<renderengine::LayerSettings> layers;
+    layers.emplace_back(greenLayer);
+    invokeDraw(display, layers);
+
+    expectBufferColor(Rect(99, 99, 101, 101), 255, 128, 0, 255, 1);
+}
+
+TEST_P(RenderEngineTest, testDimming) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = ui::Dataspace::V0_SRGB_LINEAR;
@@ -2534,7 +2721,7 @@ TEST_P(RenderEngineTest, testDimming) {
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported()) {
         GTEST_SKIP();
     }
     initializeRenderEngine();
@@ -2612,7 +2799,7 @@ TEST_P(RenderEngineTest, testDimming_inGammaSpace) {
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported()) {
         GTEST_SKIP();
     }
     initializeRenderEngine();
@@ -2675,7 +2862,7 @@ TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform) {
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform_deviceHandles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported()) {
         GTEST_SKIP();
     }
     initializeRenderEngine();
@@ -2739,10 +2926,10 @@ TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform_devi
 }
 
 TEST_P(RenderEngineTest, testDimming_withoutTargetLuminance) {
-    initializeRenderEngine();
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
     }
+    initializeRenderEngine();
 
     const auto displayRect = Rect(2, 1);
     const renderengine::DisplaySettings display{
@@ -2793,6 +2980,9 @@ TEST_P(RenderEngineTest, testDimming_withoutTargetLuminance) {
 }
 
 TEST_P(RenderEngineTest, test_isOpaque) {
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
+    }
     initializeRenderEngine();
 
     const auto rect = Rect(0, 0, 1, 1);
@@ -2844,11 +3034,7 @@ TEST_P(RenderEngineTest, test_isOpaque) {
 }
 
 TEST_P(RenderEngineTest, test_tonemapPQMatches) {
-    if (!GetParam()->useColorManagement()) {
-        GTEST_SKIP();
-    }
-
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported() || !GetParam()->useColorManagement()) {
         GTEST_SKIP();
     }
 
@@ -2865,11 +3051,7 @@ TEST_P(RenderEngineTest, test_tonemapPQMatches) {
 }
 
 TEST_P(RenderEngineTest, test_tonemapHLGMatches) {
-    if (!GetParam()->useColorManagement()) {
-        GTEST_SKIP();
-    }
-
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported() || !GetParam()->useColorManagement()) {
         GTEST_SKIP();
     }
 
@@ -2886,10 +3068,9 @@ TEST_P(RenderEngineTest, test_tonemapHLGMatches) {
 }
 
 TEST_P(RenderEngineTest, r8_behaves_as_mask) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
     }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -2947,10 +3128,9 @@ TEST_P(RenderEngineTest, r8_behaves_as_mask) {
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
     }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3013,10 +3193,9 @@ TEST_P(RenderEngineTest, r8_respects_color_transform) {
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform_when_device_handles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+    if (!GetParam()->typeSupported()) {
+        GTEST_SKIP();
     }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3082,10 +3261,9 @@ TEST_P(RenderEngineTest, r8_respects_color_transform_when_device_handles) {
 }
 
 TEST_P(RenderEngineTest, primeShaderCache) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+    if (!GetParam()->typeSupported()) {
         GTEST_SKIP();
     }
-
     initializeRenderEngine();
 
     auto fut = mRE->primeCache();
diff --git a/libs/renderengine/tests/RenderEngineThreadedTest.cpp b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
index 96851892b4..fe3a16d4bf 100644
--- a/libs/renderengine/tests/RenderEngineThreadedTest.cpp
+++ b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
@@ -17,8 +17,10 @@
 #include <cutils/properties.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
+#include <hardware/gralloc.h>
 #include <renderengine/impl/ExternalTexture.h>
 #include <renderengine/mock/RenderEngine.h>
+#include <ui/PixelFormat.h>
 #include "../threaded/RenderEngineThreaded.h"
 
 namespace android {
@@ -95,18 +97,6 @@ TEST_F(RenderEngineThreadedTest, getMaxViewportDims_returns0) {
     ASSERT_EQ(dims, result);
 }
 
-TEST_F(RenderEngineThreadedTest, isProtected_returnsFalse) {
-    EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(false));
-    status_t result = mThreadedRE->isProtected();
-    ASSERT_EQ(false, result);
-}
-
-TEST_F(RenderEngineThreadedTest, isProtected_returnsTrue) {
-    EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(true));
-    size_t result = mThreadedRE->isProtected();
-    ASSERT_EQ(true, result);
-}
-
 TEST_F(RenderEngineThreadedTest, supportsProtectedContent_returnsFalse) {
     EXPECT_CALL(*mRenderEngine, supportsProtectedContent()).WillOnce(Return(false));
     status_t result = mThreadedRE->supportsProtectedContent();
@@ -119,28 +109,6 @@ TEST_F(RenderEngineThreadedTest, supportsProtectedContent_returnsTrue) {
     ASSERT_EQ(true, result);
 }
 
-TEST_F(RenderEngineThreadedTest, useProtectedContext) {
-    EXPECT_CALL(*mRenderEngine, useProtectedContext(true));
-    auto& ipExpect = EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(false));
-    EXPECT_CALL(*mRenderEngine, supportsProtectedContent()).WillOnce(Return(true));
-    EXPECT_CALL(*mRenderEngine, isProtected()).After(ipExpect).WillOnce(Return(true));
-
-    mThreadedRE->useProtectedContext(true);
-    ASSERT_EQ(true, mThreadedRE->isProtected());
-
-    // call ANY synchronous function to ensure that useProtectedContext has completed.
-    mThreadedRE->getContextPriority();
-    ASSERT_EQ(true, mThreadedRE->isProtected());
-}
-
-TEST_F(RenderEngineThreadedTest, useProtectedContext_quickReject) {
-    EXPECT_CALL(*mRenderEngine, useProtectedContext(false)).Times(0);
-    EXPECT_CALL(*mRenderEngine, isProtected()).WillOnce(Return(false));
-    mThreadedRE->useProtectedContext(false);
-    // call ANY synchronous function to ensure that useProtectedContext has completed.
-    mThreadedRE->getContextPriority();
-}
-
 TEST_F(RenderEngineThreadedTest, PostRenderCleanup_skipped) {
     EXPECT_CALL(*mRenderEngine, canSkipPostRenderCleanup()).WillOnce(Return(true));
     EXPECT_CALL(*mRenderEngine, cleanupPostRender()).Times(0);
@@ -176,27 +144,86 @@ TEST_F(RenderEngineThreadedTest, drawLayers) {
     std::vector<renderengine::LayerSettings> layers;
     std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), *mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), *mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
 
     base::unique_fd bufferFence;
 
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(false));
+    EXPECT_CALL(*mRenderEngine, drawLayersInternal)
+            .WillOnce([&](const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+                          const renderengine::DisplaySettings&,
+                          const std::vector<renderengine::LayerSettings>&,
+                          const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                          base::unique_fd&&) { resultPromise->set_value(Fence::NO_FENCE); });
+
+    ftl::Future<FenceResult> future =
+            mThreadedRE->drawLayers(settings, layers, buffer, false, std::move(bufferFence));
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_TRUE(result.ok());
+}
+
+TEST_F(RenderEngineThreadedTest, drawLayers_protectedLayer) {
+    renderengine::DisplaySettings settings;
+    auto layerBuffer = sp<GraphicBuffer>::make();
+    layerBuffer->usage |= GRALLOC_USAGE_PROTECTED;
+    renderengine::LayerSettings layer;
+    layer.source.buffer.buffer = std::make_shared<
+            renderengine::impl::ExternalTexture>(std::move(layerBuffer), *mRenderEngine,
+                                                 renderengine::impl::ExternalTexture::Usage::
+                                                         READABLE);
+    std::vector<renderengine::LayerSettings> layers = {std::move(layer)};
+    std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
+            renderengine::impl::
+                    ExternalTexture>(sp<GraphicBuffer>::make(), *mRenderEngine,
+                                     renderengine::impl::ExternalTexture::Usage::READABLE |
+                                             renderengine::impl::ExternalTexture::Usage::WRITEABLE);
+
+    base::unique_fd bufferFence;
+
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(true));
+    EXPECT_CALL(*mRenderEngine, drawLayersInternal)
+            .WillOnce([&](const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+                          const renderengine::DisplaySettings&,
+                          const std::vector<renderengine::LayerSettings>&,
+                          const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                          base::unique_fd&&) { resultPromise->set_value(Fence::NO_FENCE); });
+
+    ftl::Future<FenceResult> future =
+            mThreadedRE->drawLayers(settings, layers, buffer, false, std::move(bufferFence));
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_TRUE(result.ok());
+}
+
+TEST_F(RenderEngineThreadedTest, drawLayers_protectedOutputBuffer) {
+    renderengine::DisplaySettings settings;
+    std::vector<renderengine::LayerSettings> layers;
+    auto graphicBuffer = sp<GraphicBuffer>::make();
+    graphicBuffer->usage |= GRALLOC_USAGE_PROTECTED;
+    std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
+            renderengine::impl::
+                    ExternalTexture>(std::move(graphicBuffer), *mRenderEngine,
+                                     renderengine::impl::ExternalTexture::Usage::READABLE |
+                                             renderengine::impl::ExternalTexture::Usage::WRITEABLE);
+
+    base::unique_fd bufferFence;
+
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(true));
     EXPECT_CALL(*mRenderEngine, drawLayersInternal)
-            .WillOnce([&](const std::shared_ptr<std::promise<renderengine::RenderEngineResult>>&&
-                                  resultPromise,
+            .WillOnce([&](const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                           const renderengine::DisplaySettings&,
                           const std::vector<renderengine::LayerSettings>&,
                           const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                          base::unique_fd&&) -> void {
-                resultPromise->set_value({NO_ERROR, base::unique_fd()});
-            });
+                          base::unique_fd&&) { resultPromise->set_value(Fence::NO_FENCE); });
 
-    std::future<renderengine::RenderEngineResult> result =
+    ftl::Future<FenceResult> future =
             mThreadedRE->drawLayers(settings, layers, buffer, false, std::move(bufferFence));
-    ASSERT_TRUE(result.valid());
-    auto [status, _] = result.get();
-    ASSERT_EQ(NO_ERROR, status);
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_TRUE(result.ok());
 }
 
 } // namespace android
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 203bb54701..8aa41b3e50 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -90,7 +90,6 @@ void RenderEngineThreaded::threadMain(CreateInstanceFactory factory) NO_THREAD_S
     }
 
     mRenderEngine = factory();
-    mIsProtected = mRenderEngine->isProtected();
 
     pthread_setname_np(pthread_self(), mThreadName);
 
@@ -255,41 +254,11 @@ size_t RenderEngineThreaded::getMaxViewportDims() const {
     return mRenderEngine->getMaxViewportDims();
 }
 
-bool RenderEngineThreaded::isProtected() const {
-    waitUntilInitialized();
-    std::lock_guard lock(mThreadMutex);
-    return mIsProtected;
-}
-
 bool RenderEngineThreaded::supportsProtectedContent() const {
     waitUntilInitialized();
     return mRenderEngine->supportsProtectedContent();
 }
 
-void RenderEngineThreaded::useProtectedContext(bool useProtectedContext) {
-    if (isProtected() == useProtectedContext ||
-        (useProtectedContext && !supportsProtectedContent())) {
-        return;
-    }
-
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push([useProtectedContext, this](renderengine::RenderEngine& instance) {
-            ATRACE_NAME("REThreaded::useProtectedContext");
-            instance.useProtectedContext(useProtectedContext);
-            if (instance.isProtected() != useProtectedContext) {
-                ALOGE("Failed to switch RenderEngine context.");
-                // reset the cached mIsProtected value to a good state, but this does not
-                // prevent other callers of this method and isProtected from reading the
-                // invalid cached value.
-                mIsProtected = instance.isProtected();
-            }
-        });
-        mIsProtected = useProtectedContext;
-    }
-    mCondition.notify_one();
-}
-
 void RenderEngineThreaded::cleanupPostRender() {
     if (canSkipPostRenderCleanup()) {
         return;
@@ -313,27 +282,28 @@ bool RenderEngineThreaded::canSkipPostRenderCleanup() const {
 }
 
 void RenderEngineThreaded::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
-    resultPromise->set_value({NO_ERROR, base::unique_fd()});
+    resultPromise->set_value(Fence::NO_FENCE);
     return;
 }
 
-std::future<RenderEngineResult> RenderEngineThreaded::drawLayers(
+ftl::Future<FenceResult> RenderEngineThreaded::drawLayers(
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
     ATRACE_CALL();
-    const auto resultPromise = std::make_shared<std::promise<RenderEngineResult>>();
-    std::future<RenderEngineResult> resultFuture = resultPromise->get_future();
+    const auto resultPromise = std::make_shared<std::promise<FenceResult>>();
+    std::future<FenceResult> resultFuture = resultPromise->get_future();
     int fd = bufferFence.release();
     {
         std::lock_guard lock(mThreadMutex);
         mFunctionCalls.push([resultPromise, display, layers, buffer, useFramebufferCache,
                              fd](renderengine::RenderEngine& instance) {
             ATRACE_NAME("REThreaded::drawLayers");
+            instance.updateProtectedContext(layers, buffer);
             instance.drawLayersInternal(std::move(resultPromise), display, layers, buffer,
                                         useFramebufferCache, base::unique_fd(fd));
         });
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 1340902126..168e2d2b06 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -51,16 +51,14 @@ public:
     size_t getMaxTextureSize() const override;
     size_t getMaxViewportDims() const override;
 
-    bool isProtected() const override;
     bool supportsProtectedContent() const override;
-    void useProtectedContext(bool useProtectedContext) override;
     void cleanupPostRender() override;
 
-    std::future<RenderEngineResult> drawLayers(const DisplaySettings& display,
-                                               const std::vector<LayerSettings>& layers,
-                                               const std::shared_ptr<ExternalTexture>& buffer,
-                                               const bool useFramebufferCache,
-                                               base::unique_fd&& bufferFence) override;
+    ftl::Future<FenceResult> drawLayers(const DisplaySettings& display,
+                                        const std::vector<LayerSettings>& layers,
+                                        const std::shared_ptr<ExternalTexture>& buffer,
+                                        const bool useFramebufferCache,
+                                        base::unique_fd&& bufferFence) override;
 
     void cleanFramebufferCache() override;
     int getContextPriority() override;
@@ -73,7 +71,7 @@ protected:
     void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;
     void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
     bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                             const DisplaySettings& display,
                             const std::vector<LayerSettings>& layers,
                             const std::shared_ptr<ExternalTexture>& buffer,
@@ -84,6 +82,9 @@ private:
     void waitUntilInitialized() const;
     static status_t setSchedFifo(bool enabled);
 
+    // No-op. This method is only called on leaf implementations of RenderEngine.
+    void useProtectedContext(bool) override {}
+
     /* ------------------------------------------------------------------------
      * Threading
      */
@@ -107,7 +108,6 @@ private:
      * Render Engine
      */
     std::unique_ptr<renderengine::RenderEngine> mRenderEngine;
-    std::atomic<bool> mIsProtected = false;
 };
 } // namespace threaded
 } // namespace renderengine
diff --git a/libs/sensor/ISensorServer.cpp b/libs/sensor/ISensorServer.cpp
index a6cacad374..2278d391b5 100644
--- a/libs/sensor/ISensorServer.cpp
+++ b/libs/sensor/ISensorServer.cpp
@@ -22,12 +22,12 @@
 #include <cutils/native_handle.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
-#include <utils/Vector.h>
 #include <utils/Timers.h>
+#include <utils/Vector.h>
 
-#include <binder/Parcel.h>
 #include <binder/IInterface.h>
 #include <binder/IResultReceiver.h>
+#include <binder/Parcel.h>
 
 #include <sensor/Sensor.h>
 #include <sensor/ISensorEventConnection.h>
@@ -42,6 +42,7 @@ enum {
     GET_DYNAMIC_SENSOR_LIST,
     CREATE_SENSOR_DIRECT_CONNECTION,
     SET_OPERATION_PARAMETER,
+    GET_RUNTIME_SENSOR_LIST,
 };
 
 class BpSensorServer : public BpInterface<ISensorServer>
@@ -90,6 +91,25 @@ public:
         return v;
     }
 
+    virtual Vector<Sensor> getRuntimeSensorList(const String16& opPackageName, int deviceId)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
+        data.writeString16(opPackageName);
+        data.writeInt32(deviceId);
+        remote()->transact(GET_RUNTIME_SENSOR_LIST, data, &reply);
+        Sensor s;
+        Vector<Sensor> v;
+        uint32_t n = reply.readUint32();
+        v.setCapacity(n);
+        while (n) {
+            n--;
+            reply.read(s);
+            v.add(s);
+        }
+        return v;
+    }
+
     virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName,
              int mode, const String16& opPackageName, const String16& attributionTag)
     {
@@ -194,6 +214,18 @@ status_t BnSensorServer::onTransact(
             }
             return NO_ERROR;
         }
+        case GET_RUNTIME_SENSOR_LIST: {
+            CHECK_INTERFACE(ISensorServer, data, reply);
+            const String16& opPackageName = data.readString16();
+            const int deviceId = data.readInt32();
+            Vector<Sensor> v(getRuntimeSensorList(opPackageName, deviceId));
+            size_t n = v.size();
+            reply->writeUint32(static_cast<uint32_t>(n));
+            for (size_t i = 0; i < n; i++) {
+                reply->write(v[i]);
+            }
+            return NO_ERROR;
+        }
         case CREATE_SENSOR_DIRECT_CONNECTION: {
             CHECK_INTERFACE(ISensorServer, data, reply);
             const String16& opPackageName = data.readString16();
@@ -205,9 +237,10 @@ status_t BnSensorServer::onTransact(
             if (resource == nullptr) {
                 return BAD_VALUE;
             }
+            native_handle_set_fdsan_tag(resource);
             sp<ISensorEventConnection> ch =
                     createSensorDirectConnection(opPackageName, size, type, format, resource);
-            native_handle_close(resource);
+            native_handle_close_with_tag(resource);
             native_handle_delete(resource);
             reply->writeStrongBinder(IInterface::asBinder(ch));
             return NO_ERROR;
diff --git a/libs/sensor/SensorManager.cpp b/libs/sensor/SensorManager.cpp
index 0ba9704263..27482768f2 100644
--- a/libs/sensor/SensorManager.cpp
+++ b/libs/sensor/SensorManager.cpp
@@ -201,6 +201,19 @@ ssize_t SensorManager::getDynamicSensorList(Vector<Sensor> & dynamicSensors) {
     return static_cast<ssize_t>(count);
 }
 
+ssize_t SensorManager::getRuntimeSensorList(int deviceId, Vector<Sensor>& runtimeSensors) {
+    Mutex::Autolock _l(mLock);
+    status_t err = assertStateLocked();
+    if (err < 0) {
+        return static_cast<ssize_t>(err);
+    }
+
+    runtimeSensors = mSensorServer->getRuntimeSensorList(mOpPackageName, deviceId);
+    size_t count = runtimeSensors.size();
+
+    return static_cast<ssize_t>(count);
+}
+
 ssize_t SensorManager::getDynamicSensorList(Sensor const* const** list) {
     Mutex::Autolock _l(mLock);
     status_t err = assertStateLocked();
diff --git a/libs/sensor/include/sensor/ISensorServer.h b/libs/sensor/include/sensor/ISensorServer.h
index ce5c672da0..3295196ac4 100644
--- a/libs/sensor/include/sensor/ISensorServer.h
+++ b/libs/sensor/include/sensor/ISensorServer.h
@@ -43,6 +43,7 @@ public:
 
     virtual Vector<Sensor> getSensorList(const String16& opPackageName) = 0;
     virtual Vector<Sensor> getDynamicSensorList(const String16& opPackageName) = 0;
+    virtual Vector<Sensor> getRuntimeSensorList(const String16& opPackageName, int deviceId) = 0;
 
     virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName,
              int mode, const String16& opPackageName, const String16& attributionTag) = 0;
diff --git a/libs/sensor/include/sensor/SensorManager.h b/libs/sensor/include/sensor/SensorManager.h
index 8d0a8a45d9..0798da292a 100644
--- a/libs/sensor/include/sensor/SensorManager.h
+++ b/libs/sensor/include/sensor/SensorManager.h
@@ -59,6 +59,7 @@ public:
     ssize_t getSensorList(Sensor const* const** list);
     ssize_t getDynamicSensorList(Vector<Sensor>& list);
     ssize_t getDynamicSensorList(Sensor const* const** list);
+    ssize_t getRuntimeSensorList(int deviceId, Vector<Sensor>& list);
     Sensor const* getDefaultSensor(int type);
     sp<SensorEventQueue> createEventQueue(
         String8 packageName = String8(""), int mode = 0, String16 attributionTag = String16(""));
diff --git a/libs/shaders/Android.bp b/libs/shaders/Android.bp
index 847747948a..960f845488 100644
--- a/libs/shaders/Android.bp
+++ b/libs/shaders/Android.bp
@@ -23,13 +23,14 @@ package {
 
 cc_library_static {
     name: "libshaders",
-
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     export_include_dirs: ["include"],
     local_include_dirs: ["include"],
 
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.graphics.common@1.2",
         "libnativewindow",
     ],
diff --git a/libs/shaders/include/shaders/shaders.h b/libs/shaders/include/shaders/shaders.h
index 2a4a370078..42b0cc131c 100644
--- a/libs/shaders/include/shaders/shaders.h
+++ b/libs/shaders/include/shaders/shaders.h
@@ -68,6 +68,9 @@ struct LinearEffect {
     // fakeInputDataspace is used to essentially masquerade the input dataspace to be the output
     // dataspace for correct conversion to linear colors.
     ui::Dataspace fakeInputDataspace = ui::Dataspace::UNKNOWN;
+
+    enum SkSLType { Shader, ColorFilter };
+    SkSLType type = Shader;
 };
 
 static inline bool operator==(const LinearEffect& lhs, const LinearEffect& rhs) {
@@ -96,6 +99,10 @@ struct LinearEffectHasher {
 // 2. Apply color transform matrices in linear space
 std::string buildLinearEffectSkSL(const LinearEffect& linearEffect);
 
+// Generates a shader string that applies color transforms in linear space.
+// This is intended to be plugged into an SkColorFilter
+std::string buildLinearEffectSkSLForColorFilter(const LinearEffect& linearEffect);
+
 // Generates a list of uniforms to set on the LinearEffect shader above.
 std::vector<tonemap::ShaderUniform> buildLinearEffectUniforms(
         const LinearEffect& linearEffect, const mat4& colorTransform, float maxDisplayLuminance,
diff --git a/libs/shaders/shaders.cpp b/libs/shaders/shaders.cpp
index f80e93f6f8..a3c403e551 100644
--- a/libs/shaders/shaders.cpp
+++ b/libs/shaders/shaders.cpp
@@ -386,12 +386,23 @@ void generateOETF(ui::Dataspace dataspace, std::string& shader) {
     }
 }
 
-void generateEffectiveOOTF(bool undoPremultipliedAlpha, std::string& shader) {
-    shader.append(R"(
-        uniform shader child;
-        half4 main(float2 xy) {
-            float4 c = float4(child.eval(xy));
-    )");
+void generateEffectiveOOTF(bool undoPremultipliedAlpha, LinearEffect::SkSLType type,
+                           std::string& shader) {
+    switch (type) {
+        case LinearEffect::SkSLType::ColorFilter:
+            shader.append(R"(
+                half4 main(half4 inputColor) {
+                    float4 c = float4(inputColor);
+            )");
+            break;
+        case LinearEffect::SkSLType::Shader:
+            shader.append(R"(
+                uniform shader child;
+                half4 main(float2 xy) {
+                    float4 c = float4(child.eval(xy));
+            )");
+            break;
+    }
     if (undoPremultipliedAlpha) {
         shader.append(R"(
             c.rgb = c.rgb / (c.a + 0.0019);
@@ -459,7 +470,7 @@ std::string buildLinearEffectSkSL(const LinearEffect& linearEffect) {
     generateXYZTransforms(shaderString);
     generateOOTF(linearEffect.inputDataspace, linearEffect.outputDataspace, shaderString);
     generateOETF(linearEffect.outputDataspace, shaderString);
-    generateEffectiveOOTF(linearEffect.undoPremultipliedAlpha, shaderString);
+    generateEffectiveOOTF(linearEffect.undoPremultipliedAlpha, linearEffect.type, shaderString);
     return shaderString;
 }
 
diff --git a/libs/shaders/tests/Android.bp b/libs/shaders/tests/Android.bp
index 718d37bc38..1e4f45ac45 100644
--- a/libs/shaders/tests/Android.bp
+++ b/libs/shaders/tests/Android.bp
@@ -23,6 +23,10 @@ package {
 
 cc_test {
     name: "libshaders_test",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "shaders_test.cpp",
@@ -31,8 +35,6 @@ cc_test {
         "libtonemap_headers",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.graphics.common@1.2",
         "libnativewindow",
     ],
diff --git a/libs/tonemap/Android.bp b/libs/tonemap/Android.bp
index eca051d215..8c8815d0e4 100644
--- a/libs/tonemap/Android.bp
+++ b/libs/tonemap/Android.bp
@@ -23,13 +23,15 @@ package {
 
 cc_library_static {
     name: "libtonemap",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     vendor_available: true,
 
     local_include_dirs: ["include"],
 
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "liblog",
         "libnativewindow",
     ],
diff --git a/libs/tonemap/tests/Android.bp b/libs/tonemap/tests/Android.bp
index 0002d3a935..2abf51563c 100644
--- a/libs/tonemap/tests/Android.bp
+++ b/libs/tonemap/tests/Android.bp
@@ -23,6 +23,10 @@ package {
 
 cc_test {
     name: "libtonemap_test",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "tonemap_test.cpp",
@@ -31,8 +35,6 @@ cc_test {
         "libtonemap_headers",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "libnativewindow",
     ],
     static_libs: [
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 98d9b94322..d33dd34d4e 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -127,7 +127,6 @@ cc_library_shared {
         "DebugUtils.cpp",
         "DeviceProductInfo.cpp",
         "DisplayIdentification.cpp",
-        "DisplayMode.cpp",
         "DynamicDisplayInfo.cpp",
         "Fence.cpp",
         "FenceTime.cpp",
@@ -139,11 +138,9 @@ cc_library_shared {
         "GraphicBuffer.cpp",
         "GraphicBufferAllocator.cpp",
         "GraphicBufferMapper.cpp",
-        "HdrCapabilities.cpp",
         "PixelFormat.cpp",
         "PublicFormat.cpp",
         "StaticAsserts.cpp",
-        "StaticDisplayInfo.cpp",
     ],
 
     include_dirs: [
@@ -240,10 +237,6 @@ cc_library_shared {
     ],
 
     afdo: true,
-
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 cc_library_headers {
diff --git a/libs/ui/DeviceProductInfo.cpp b/libs/ui/DeviceProductInfo.cpp
index 04d9d3c989..6ae27dee1d 100644
--- a/libs/ui/DeviceProductInfo.cpp
+++ b/libs/ui/DeviceProductInfo.cpp
@@ -14,74 +14,43 @@
  * limitations under the License.
  */
 
+#include <ftl/match.h>
 #include <ui/DeviceProductInfo.h>
 
 #include <android-base/stringprintf.h>
-#include <ui/FlattenableHelpers.h>
-#include <utils/Log.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
 
 namespace android {
 
-using base::StringAppendF;
-
-size_t DeviceProductInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(name) +
-            FlattenableHelpers::getFlattenedSize(manufacturerPnpId) +
-            FlattenableHelpers::getFlattenedSize(productId) +
-            FlattenableHelpers::getFlattenedSize(manufactureOrModelDate) +
-            FlattenableHelpers::getFlattenedSize(relativeAddress);
-}
-
-status_t DeviceProductInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, name));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, manufacturerPnpId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, productId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, manufactureOrModelDate));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, relativeAddress));
-    return OK;
-}
-
-status_t DeviceProductInfo::unflatten(void const* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &name));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &manufacturerPnpId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &productId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &manufactureOrModelDate));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &relativeAddress));
-    return OK;
-}
-
-void DeviceProductInfo::dump(std::string& result) const {
-    StringAppendF(&result, "{name=\"%s\", ", name.c_str());
-    StringAppendF(&result, "manufacturerPnpId=%s, ", manufacturerPnpId.data());
-    StringAppendF(&result, "productId=%s, ", productId.c_str());
-
-    if (const auto* model = std::get_if<ModelYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "modelYear=%u, ", model->year);
-    } else if (const auto* manufactureWeekAndYear =
-                       std::get_if<ManufactureWeekAndYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "manufactureWeek=%u, ", manufactureWeekAndYear->week);
-        StringAppendF(&result, "manufactureYear=%d, ", manufactureWeekAndYear->year);
-    } else if (const auto* manufactureYear =
-                       std::get_if<ManufactureYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "manufactureYear=%d, ", manufactureYear->year);
-    } else {
-        ALOGE("Unknown alternative for variant DeviceProductInfo::ManufactureOrModelDate");
-    }
+std::string to_string(const DeviceProductInfo& info) {
+    using base::StringAppendF;
+
+    std::string result;
+    StringAppendF(&result, "{name=\"%s\", ", info.name.c_str());
+    StringAppendF(&result, "manufacturerPnpId=%s, ", info.manufacturerPnpId.data());
+    StringAppendF(&result, "productId=%s, ", info.productId.c_str());
+
+    ftl::match(
+            info.manufactureOrModelDate,
+            [&](DeviceProductInfo::ModelYear model) {
+                StringAppendF(&result, "modelYear=%u, ", model.year);
+            },
+            [&](DeviceProductInfo::ManufactureWeekAndYear manufacture) {
+                StringAppendF(&result, "manufactureWeek=%u, ", manufacture.week);
+                StringAppendF(&result, "manufactureYear=%d, ", manufacture.year);
+            },
+            [&](DeviceProductInfo::ManufactureYear manufacture) {
+                StringAppendF(&result, "manufactureYear=%d, ", manufacture.year);
+            });
 
     result.append("relativeAddress=[");
-    for (size_t i = 0; i < relativeAddress.size(); i++) {
+    for (size_t i = 0; i < info.relativeAddress.size(); i++) {
         if (i != 0) {
             result.append(", ");
         }
-        StringAppendF(&result, "%u", relativeAddress[i]);
+        StringAppendF(&result, "%u", info.relativeAddress[i]);
     }
     result.append("]}");
+    return result;
 }
 
 } // namespace android
diff --git a/libs/ui/DisplayMode.cpp b/libs/ui/DisplayMode.cpp
deleted file mode 100644
index cf05dbfb05..0000000000
--- a/libs/ui/DisplayMode.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/DisplayMode.h>
-
-#include <cstdint>
-
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
-namespace android::ui {
-
-size_t DisplayMode::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(id) +
-            FlattenableHelpers::getFlattenedSize(resolution) +
-            FlattenableHelpers::getFlattenedSize(xDpi) +
-            FlattenableHelpers::getFlattenedSize(yDpi) +
-            FlattenableHelpers::getFlattenedSize(refreshRate) +
-            FlattenableHelpers::getFlattenedSize(appVsyncOffset) +
-            FlattenableHelpers::getFlattenedSize(sfVsyncOffset) +
-            FlattenableHelpers::getFlattenedSize(presentationDeadline) +
-            FlattenableHelpers::getFlattenedSize(group);
-}
-
-status_t DisplayMode::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, id));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, resolution));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, xDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, yDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, refreshRate));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, appVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, sfVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, presentationDeadline));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, group));
-    return OK;
-}
-
-status_t DisplayMode::unflatten(const void* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &id));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &resolution));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &xDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &yDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &refreshRate));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &appVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &sfVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &presentationDeadline));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &group));
-    return OK;
-}
-
-} // namespace android::ui
diff --git a/libs/ui/DynamicDisplayInfo.cpp b/libs/ui/DynamicDisplayInfo.cpp
index 78ba9965b6..f5feea925d 100644
--- a/libs/ui/DynamicDisplayInfo.cpp
+++ b/libs/ui/DynamicDisplayInfo.cpp
@@ -18,11 +18,6 @@
 
 #include <cstdint>
 
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
 namespace android::ui {
 
 std::optional<ui::DisplayMode> DynamicDisplayInfo::getActiveDisplayMode() const {
@@ -34,42 +29,4 @@ std::optional<ui::DisplayMode> DynamicDisplayInfo::getActiveDisplayMode() const
     return {};
 }
 
-size_t DynamicDisplayInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(supportedDisplayModes) +
-            FlattenableHelpers::getFlattenedSize(activeDisplayModeId) +
-            FlattenableHelpers::getFlattenedSize(supportedColorModes) +
-            FlattenableHelpers::getFlattenedSize(activeColorMode) +
-            FlattenableHelpers::getFlattenedSize(hdrCapabilities) +
-            FlattenableHelpers::getFlattenedSize(autoLowLatencyModeSupported) +
-            FlattenableHelpers::getFlattenedSize(gameContentTypeSupported) +
-            FlattenableHelpers::getFlattenedSize(preferredBootDisplayMode);
-}
-
-status_t DynamicDisplayInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, supportedDisplayModes));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, activeDisplayModeId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, supportedColorModes));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, activeColorMode));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, hdrCapabilities));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, autoLowLatencyModeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, gameContentTypeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, preferredBootDisplayMode));
-    return OK;
-}
-
-status_t DynamicDisplayInfo::unflatten(const void* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &supportedDisplayModes));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &activeDisplayModeId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &supportedColorModes));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &activeColorMode));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &hdrCapabilities));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &autoLowLatencyModeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &gameContentTypeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &preferredBootDisplayMode));
-    return OK;
-}
-
 } // namespace android::ui
diff --git a/libs/ui/HdrCapabilities.cpp b/libs/ui/HdrCapabilities.cpp
deleted file mode 100644
index aec2fac780..0000000000
--- a/libs/ui/HdrCapabilities.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/HdrCapabilities.h>
-
-namespace android {
-
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wundefined-reinterpret-cast"
-#endif
-
-size_t HdrCapabilities::getFlattenedSize() const {
-    return  sizeof(mMaxLuminance) +
-            sizeof(mMaxAverageLuminance) +
-            sizeof(mMinLuminance) +
-            sizeof(int32_t) +
-            mSupportedHdrTypes.size() * sizeof(ui::Hdr);
-}
-
-status_t HdrCapabilities::flatten(void* buffer, size_t size) const {
-
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    int32_t* const buf = static_cast<int32_t*>(buffer);
-    reinterpret_cast<float&>(buf[0]) = mMaxLuminance;
-    reinterpret_cast<float&>(buf[1]) = mMaxAverageLuminance;
-    reinterpret_cast<float&>(buf[2]) = mMinLuminance;
-    buf[3] = static_cast<int32_t>(mSupportedHdrTypes.size());
-    for (size_t i = 0, c = mSupportedHdrTypes.size(); i < c; ++i) {
-        buf[4 + i] = static_cast<int32_t>(mSupportedHdrTypes[i]);
-    }
-    return NO_ERROR;
-}
-
-status_t HdrCapabilities::unflatten(void const* buffer, size_t size) {
-
-    size_t minSize = sizeof(mMaxLuminance) +
-                     sizeof(mMaxAverageLuminance) +
-                     sizeof(mMinLuminance) +
-                     sizeof(int32_t);
-
-    if (size < minSize) {
-        return NO_MEMORY;
-    }
-
-    int32_t const * const buf = static_cast<int32_t const *>(buffer);
-    const size_t itemCount = size_t(buf[3]);
-
-    // check the buffer is large enough
-    if (size < minSize + itemCount * sizeof(int32_t)) {
-        return BAD_VALUE;
-    }
-
-    mMaxLuminance        = reinterpret_cast<float const&>(buf[0]);
-    mMaxAverageLuminance = reinterpret_cast<float const&>(buf[1]);
-    mMinLuminance        = reinterpret_cast<float const&>(buf[2]);
-    if (itemCount) {
-        mSupportedHdrTypes.resize(itemCount);
-        for (size_t i = 0; i < itemCount; ++i) {
-            mSupportedHdrTypes[i] = static_cast<ui::Hdr>(buf[4 + i]);
-        }
-    }
-    return NO_ERROR;
-}
-
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#endif
-
-} // namespace android
diff --git a/libs/ui/StaticDisplayInfo.cpp b/libs/ui/StaticDisplayInfo.cpp
deleted file mode 100644
index 03d15e4694..0000000000
--- a/libs/ui/StaticDisplayInfo.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/StaticDisplayInfo.h>
-
-#include <cstdint>
-
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
-namespace android::ui {
-
-size_t StaticDisplayInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(connectionType) +
-            FlattenableHelpers::getFlattenedSize(density) +
-            FlattenableHelpers::getFlattenedSize(secure) +
-            FlattenableHelpers::getFlattenedSize(deviceProductInfo) +
-            FlattenableHelpers::getFlattenedSize(installOrientation);
-}
-
-status_t StaticDisplayInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, connectionType));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, density));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, secure));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, deviceProductInfo));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, installOrientation));
-    return OK;
-}
-
-status_t StaticDisplayInfo::unflatten(void const* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &connectionType));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &density));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &secure));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &deviceProductInfo));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &installOrientation));
-    return OK;
-}
-
-} // namespace android::ui
diff --git a/libs/ui/include/ui/ColorMode.h b/libs/ui/include/ui/ColorMode.h
new file mode 100644
index 0000000000..a47eaed171
--- /dev/null
+++ b/libs/ui/include/ui/ColorMode.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include <ui/GraphicTypes.h>
+
+namespace android::ui {
+
+using ColorModes = std::vector<ColorMode>;
+
+inline bool isWideColorMode(ColorMode colorMode) {
+    switch (colorMode) {
+        case ColorMode::DISPLAY_P3:
+        case ColorMode::ADOBE_RGB:
+        case ColorMode::DCI_P3:
+        case ColorMode::BT2020:
+        case ColorMode::DISPLAY_BT2020:
+        case ColorMode::BT2100_PQ:
+        case ColorMode::BT2100_HLG:
+            return true;
+        case ColorMode::NATIVE:
+        case ColorMode::STANDARD_BT601_625:
+        case ColorMode::STANDARD_BT601_625_UNADJUSTED:
+        case ColorMode::STANDARD_BT601_525:
+        case ColorMode::STANDARD_BT601_525_UNADJUSTED:
+        case ColorMode::STANDARD_BT709:
+        case ColorMode::SRGB:
+            return false;
+    }
+}
+
+inline Dataspace pickDataspaceFor(ColorMode colorMode) {
+    switch (colorMode) {
+        case ColorMode::DISPLAY_P3:
+        case ColorMode::BT2100_PQ:
+        case ColorMode::BT2100_HLG:
+        case ColorMode::DISPLAY_BT2020:
+            return Dataspace::DISPLAY_P3;
+        default:
+            return Dataspace::V0_SRGB;
+    }
+}
+
+} // namespace android::ui
diff --git a/libs/ui/include/ui/DeviceProductInfo.h b/libs/ui/include/ui/DeviceProductInfo.h
index 807a5d96a3..4229cf1507 100644
--- a/libs/ui/include/ui/DeviceProductInfo.h
+++ b/libs/ui/include/ui/DeviceProductInfo.h
@@ -24,8 +24,6 @@
 #include <variant>
 #include <vector>
 
-#include <utils/Flattenable.h>
-
 namespace android {
 
 // NUL-terminated plug and play ID.
@@ -34,7 +32,7 @@ using PnpId = std::array<char, 4>;
 // Product-specific information about the display or the directly connected device on the
 // display chain. For example, if the display is transitively connected, this field may contain
 // product information about the intermediate device.
-struct DeviceProductInfo : LightFlattenable<DeviceProductInfo> {
+struct DeviceProductInfo {
     struct ModelYear {
         uint32_t year;
     };
@@ -63,13 +61,8 @@ struct DeviceProductInfo : LightFlattenable<DeviceProductInfo> {
     // address is unavailable.
     // For example, for HDMI connected device this will be the physical address.
     std::vector<uint8_t> relativeAddress;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
-
-    void dump(std::string& result) const;
 };
 
+std::string to_string(const DeviceProductInfo&);
+
 } // namespace android
diff --git a/libs/ui/include/ui/DisplayId.h b/libs/ui/include/ui/DisplayId.h
index 9120972a42..3a31fa0848 100644
--- a/libs/ui/include/ui/DisplayId.h
+++ b/libs/ui/include/ui/DisplayId.h
@@ -17,9 +17,11 @@
 #pragma once
 
 #include <cstdint>
-#include <optional>
+#include <ostream>
 #include <string>
 
+#include <ftl/optional.h>
+
 namespace android {
 
 // ID of a physical or a virtual display. This class acts as a type safe wrapper around uint64_t.
@@ -66,9 +68,14 @@ inline std::string to_string(DisplayId displayId) {
     return std::to_string(displayId.value);
 }
 
+// For tests.
+inline std::ostream& operator<<(std::ostream& stream, DisplayId displayId) {
+    return stream << "DisplayId{" << displayId.value << '}';
+}
+
 // DisplayId of a physical display, such as the internal display or externally connected display.
 struct PhysicalDisplayId : DisplayId {
-    static constexpr std::optional<PhysicalDisplayId> tryCast(DisplayId id) {
+    static constexpr ftl::Optional<PhysicalDisplayId> tryCast(DisplayId id) {
         if (id.value & FLAG_VIRTUAL) {
             return std::nullopt;
         }
diff --git a/libs/ui/include/ui/DisplayMode.h b/libs/ui/include/ui/DisplayMode.h
index 56f68e7bb2..65a8769c98 100644
--- a/libs/ui/include/ui/DisplayMode.h
+++ b/libs/ui/include/ui/DisplayMode.h
@@ -19,6 +19,7 @@
 #include <cstdint>
 #include <type_traits>
 
+#include <ui/GraphicTypes.h>
 #include <ui/Size.h>
 #include <utils/Flattenable.h>
 #include <utils/Timers.h>
@@ -29,22 +30,18 @@ namespace android::ui {
 using DisplayModeId = int32_t;
 
 // Mode supported by physical display.
-struct DisplayMode : LightFlattenable<DisplayMode> {
+struct DisplayMode {
     DisplayModeId id;
     ui::Size resolution;
     float xDpi = 0;
     float yDpi = 0;
+    std::vector<ui::Hdr> supportedHdrTypes;
 
     float refreshRate = 0;
     nsecs_t appVsyncOffset = 0;
     nsecs_t sfVsyncOffset = 0;
     nsecs_t presentationDeadline = 0;
     int32_t group = -1;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(const void* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/libs/ui/include/ui/DynamicDisplayInfo.h b/libs/ui/include/ui/DynamicDisplayInfo.h
index ce75a65214..0b77754455 100644
--- a/libs/ui/include/ui/DynamicDisplayInfo.h
+++ b/libs/ui/include/ui/DynamicDisplayInfo.h
@@ -24,18 +24,18 @@
 
 #include <ui/GraphicTypes.h>
 #include <ui/HdrCapabilities.h>
-#include <utils/Flattenable.h>
 
 namespace android::ui {
 
 // Information about a physical display which may change on hotplug reconnect.
-struct DynamicDisplayInfo : LightFlattenable<DynamicDisplayInfo> {
+struct DynamicDisplayInfo {
     std::vector<ui::DisplayMode> supportedDisplayModes;
 
     // This struct is going to be serialized over binder, so
     // we can't use size_t because it may have different width
     // in the client process.
     ui::DisplayModeId activeDisplayModeId;
+    float renderFrameRate;
 
     std::vector<ui::ColorMode> supportedColorModes;
     ui::ColorMode activeColorMode;
@@ -53,11 +53,6 @@ struct DynamicDisplayInfo : LightFlattenable<DynamicDisplayInfo> {
     ui::DisplayModeId preferredBootDisplayMode;
 
     std::optional<ui::DisplayMode> getActiveDisplayMode() const;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(const void* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/FenceResult.h b/libs/ui/include/ui/FenceResult.h
index 0ce263b930..6d63fc9973 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/FenceResult.h
+++ b/libs/ui/include/ui/FenceResult.h
@@ -20,30 +20,14 @@
 #include <utils/Errors.h>
 #include <utils/StrongPointer.h>
 
-// TODO(b/232535621): Pull this file to <ui/FenceResult.h> so that RenderEngine::drawLayers returns
-// FenceResult rather than RenderEngineResult.
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-#include <renderengine/RenderEngine.h>
-#pragma clang diagnostic pop
-
 namespace android {
 
 class Fence;
 
 using FenceResult = base::expected<sp<Fence>, status_t>;
 
-// TODO(b/232535621): Prevent base::unexpected(NO_ERROR) from being a valid FenceResult.
 inline status_t fenceStatus(const FenceResult& fenceResult) {
     return fenceResult.ok() ? NO_ERROR : fenceResult.error();
 }
 
-inline FenceResult toFenceResult(renderengine::RenderEngineResult&& result) {
-    if (auto [status, fence] = std::move(result); fence.ok()) {
-        return sp<Fence>::make(std::move(fence));
-    } else {
-        return base::unexpected(status);
-    }
-}
-
 } // namespace android
diff --git a/libs/ui/include/ui/GraphicBuffer.h b/libs/ui/include/ui/GraphicBuffer.h
index 57be686592..dbe475b805 100644
--- a/libs/ui/include/ui/GraphicBuffer.h
+++ b/libs/ui/include/ui/GraphicBuffer.h
@@ -270,7 +270,7 @@ private:
 
     // Send a callback when a GraphicBuffer dies.
     //
-    // This is used for BufferStateLayer caching. GraphicBuffers are refcounted per process. When
+    // This is used for layer caching. GraphicBuffers are refcounted per process. When
     // A GraphicBuffer doesn't have any more sp<> in a process, it is destroyed. This causes
     // problems when trying to implicitcly cache across process boundaries. Ideally, both sides
     // of the cache would hold onto wp<> references. When an app dropped its sp<>, the GraphicBuffer
diff --git a/libs/ui/include/ui/GraphicTypes.h b/libs/ui/include/ui/GraphicTypes.h
index 8661c36676..1775d390f0 100644
--- a/libs/ui/include/ui/GraphicTypes.h
+++ b/libs/ui/include/ui/GraphicTypes.h
@@ -20,6 +20,7 @@
 #include <aidl/android/hardware/graphics/common/ChromaSiting.h>
 #include <aidl/android/hardware/graphics/common/Compression.h>
 #include <aidl/android/hardware/graphics/common/Cta861_3.h>
+#include <aidl/android/hardware/graphics/common/Hdr.h>
 #include <aidl/android/hardware/graphics/common/Interlaced.h>
 #include <aidl/android/hardware/graphics/common/PlaneLayout.h>
 #include <aidl/android/hardware/graphics/common/Smpte2086.h>
@@ -42,7 +43,6 @@ namespace ui {
 using android::hardware::graphics::common::V1_1::RenderIntent;
 using android::hardware::graphics::common::V1_2::ColorMode;
 using android::hardware::graphics::common::V1_2::Dataspace;
-using android::hardware::graphics::common::V1_2::Hdr;
 using android::hardware::graphics::common::V1_2::PixelFormat;
 
 /**
@@ -50,6 +50,7 @@ using android::hardware::graphics::common::V1_2::PixelFormat;
  */
 using aidl::android::hardware::graphics::common::BlendMode;
 using aidl::android::hardware::graphics::common::Cta861_3;
+using aidl::android::hardware::graphics::common::Hdr;
 using aidl::android::hardware::graphics::common::PlaneLayout;
 using aidl::android::hardware::graphics::common::Smpte2086;
 
diff --git a/libs/ui/include/ui/HdrCapabilities.h b/libs/ui/include/ui/HdrCapabilities.h
index 813addeca6..ae54223585 100644
--- a/libs/ui/include/ui/HdrCapabilities.h
+++ b/libs/ui/include/ui/HdrCapabilities.h
@@ -22,12 +22,10 @@
 #include <vector>
 
 #include <ui/GraphicTypes.h>
-#include <utils/Flattenable.h>
 
 namespace android {
 
-class HdrCapabilities : public LightFlattenable<HdrCapabilities>
-{
+class HdrCapabilities {
 public:
     HdrCapabilities(const std::vector<ui::Hdr>& types,
             float maxLuminance, float maxAverageLuminance, float minLuminance)
@@ -49,12 +47,6 @@ public:
     float getDesiredMaxAverageLuminance() const { return mMaxAverageLuminance; }
     float getDesiredMinLuminance() const { return mMinLuminance; }
 
-    // Flattenable protocol
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
-
 private:
     std::vector<ui::Hdr> mSupportedHdrTypes;
     float mMaxLuminance;
diff --git a/libs/ui/include/ui/Rotation.h b/libs/ui/include/ui/Rotation.h
index 83d431dea3..c1d60f4f6c 100644
--- a/libs/ui/include/ui/Rotation.h
+++ b/libs/ui/include/ui/Rotation.h
@@ -20,7 +20,14 @@
 
 namespace android::ui {
 
-enum class Rotation { Rotation0 = 0, Rotation90 = 1, Rotation180 = 2, Rotation270 = 3 };
+enum class Rotation {
+    Rotation0 = 0,
+    Rotation90 = 1,
+    Rotation180 = 2,
+    Rotation270 = 3,
+
+    ftl_last = Rotation270
+};
 
 // Equivalent to Surface.java constants.
 constexpr auto ROTATION_0 = Rotation::Rotation0;
diff --git a/libs/ui/include/ui/StaticDisplayInfo.h b/libs/ui/include/ui/StaticDisplayInfo.h
index cc7c869b3b..83da821f37 100644
--- a/libs/ui/include/ui/StaticDisplayInfo.h
+++ b/libs/ui/include/ui/StaticDisplayInfo.h
@@ -20,24 +20,18 @@
 
 #include <ui/DeviceProductInfo.h>
 #include <ui/Rotation.h>
-#include <utils/Flattenable.h>
 
 namespace android::ui {
 
-enum class DisplayConnectionType { Internal, External };
+enum class DisplayConnectionType { Internal, External, ftl_last = External };
 
 // Immutable information about physical display.
-struct StaticDisplayInfo : LightFlattenable<StaticDisplayInfo> {
+struct StaticDisplayInfo {
     DisplayConnectionType connectionType = DisplayConnectionType::Internal;
     float density = 0.f;
     bool secure = false;
     std::optional<DeviceProductInfo> deviceProductInfo;
     Rotation installOrientation = ROTATION_0;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/libs/vibrator/ExternalVibration.cpp b/libs/vibrator/ExternalVibration.cpp
index ec906458a3..80e911c65d 100644
--- a/libs/vibrator/ExternalVibration.cpp
+++ b/libs/vibrator/ExternalVibration.cpp
@@ -22,15 +22,6 @@
 #include <log/log.h>
 #include <utils/Errors.h>
 
-
-// To guarantee if HapticScale enum has the same value as IExternalVibratorService
-static_assert(static_cast<int>(android::os::HapticScale::MUTE) == static_cast<int>(android::os::IExternalVibratorService::SCALE_MUTE));
-static_assert(static_cast<int>(android::os::HapticScale::VERY_LOW) == static_cast<int>(android::os::IExternalVibratorService::SCALE_VERY_LOW));
-static_assert(static_cast<int>(android::os::HapticScale::LOW) == static_cast<int>(android::os::IExternalVibratorService::SCALE_LOW));
-static_assert(static_cast<int>(android::os::HapticScale::NONE) == static_cast<int>(android::os::IExternalVibratorService::SCALE_NONE));
-static_assert(static_cast<int>(android::os::HapticScale::HIGH) == static_cast<int>(android::os::IExternalVibratorService::SCALE_HIGH));
-static_assert(static_cast<int>(android::os::HapticScale::VERY_HIGH) == static_cast<int>(android::os::IExternalVibratorService::SCALE_VERY_HIGH));
-
 void writeAudioAttributes(const audio_attributes_t& attrs, android::Parcel* out) {
     out->writeInt32(attrs.usage);
     out->writeInt32(attrs.content_type);
@@ -74,5 +65,25 @@ inline bool ExternalVibration::operator==(const ExternalVibration& rhs) const {
     return mToken == rhs.mToken;
 }
 
+os::HapticScale ExternalVibration::externalVibrationScaleToHapticScale(int externalVibrationScale) {
+    switch (externalVibrationScale) {
+        case IExternalVibratorService::SCALE_MUTE:
+            return os::HapticScale::MUTE;
+        case IExternalVibratorService::SCALE_VERY_LOW:
+            return os::HapticScale::VERY_LOW;
+        case IExternalVibratorService::SCALE_LOW:
+            return os::HapticScale::LOW;
+        case IExternalVibratorService::SCALE_NONE:
+            return os::HapticScale::NONE;
+        case IExternalVibratorService::SCALE_HIGH:
+            return os::HapticScale::HIGH;
+        case IExternalVibratorService::SCALE_VERY_HIGH:
+            return os::HapticScale::VERY_HIGH;
+        default:
+          ALOGE("Unknown ExternalVibrationScale %d, not applying scaling", externalVibrationScale);
+          return os::HapticScale::NONE;
+      }
+}
+
 } // namespace os
 } // namespace android
diff --git a/libs/vibrator/include/vibrator/ExternalVibration.h b/libs/vibrator/include/vibrator/ExternalVibration.h
index 760dbce149..00cd3cd256 100644
--- a/libs/vibrator/include/vibrator/ExternalVibration.h
+++ b/libs/vibrator/include/vibrator/ExternalVibration.h
@@ -23,6 +23,7 @@
 #include <binder/Parcelable.h>
 #include <system/audio.h>
 #include <utils/RefBase.h>
+#include <vibrator/ExternalVibrationUtils.h>
 
 namespace android {
 namespace os {
@@ -44,6 +45,10 @@ public :
     audio_attributes_t getAudioAttributes() const { return mAttrs; }
     sp<IExternalVibrationController> getController() { return mController; }
 
+    /* Converts the scale from non-public ExternalVibrationService into the HapticScale
+     * used by the utils.
+     */
+    static os::HapticScale externalVibrationScaleToHapticScale(int externalVibrationScale);
 
 private:
     int32_t mUid;
@@ -53,7 +58,7 @@ private:
     sp<IBinder> mToken = new BBinder();
 };
 
-} // namespace android
 } // namespace os
+} // namespace android
 
 #endif // ANDROID_EXTERNAL_VIBRATION_H
diff --git a/libs/vibrator/include/vibrator/ExternalVibrationUtils.h b/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
index c588bfdedd..ca219d3cbf 100644
--- a/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
+++ b/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
@@ -19,8 +19,6 @@
 
 namespace android::os {
 
-// Copied from frameworks/base/core/java/android/os/IExternalVibratorService.aidl
-// The values are checked in ExternalVibration.cpp
 enum class HapticScale {
     MUTE = -100,
     VERY_LOW = -2,
diff --git a/opengl/libs/EGL/egl_angle_platform.cpp b/opengl/libs/EGL/egl_angle_platform.cpp
index d38f2eff01..f1122fd098 100644
--- a/opengl/libs/EGL/egl_angle_platform.cpp
+++ b/opengl/libs/EGL/egl_angle_platform.cpp
@@ -68,9 +68,9 @@ static void logInfo(PlatformMethods* /*platform*/, const char* infoMessage) {
 
 static TraceEventHandle addTraceEvent(
         PlatformMethods* /**platform*/, char phase, const unsigned char* /*category_group_enabled*/,
-        const char* name, unsigned long long /*id*/, double /*timestamp*/, int /*num_args*/,
-        const char** /*arg_names*/, const unsigned char* /*arg_types*/,
-        const unsigned long long* /*arg_values*/, unsigned char /*flags*/) {
+        const char* name, unsigned long long /*id*/, double /*timestamp*/, int num_args,
+        const char** arg_names, const unsigned char* /*arg_types*/,
+        const unsigned long long* arg_values, unsigned char /*flags*/) {
     switch (phase) {
         case 'B': {
             ATRACE_BEGIN(name);
@@ -84,6 +84,13 @@ static TraceEventHandle addTraceEvent(
             ATRACE_NAME(name);
             break;
         }
+       case 'C': {
+             for(int i=0; i<num_args ; i++)
+             {
+                 ATRACE_INT(arg_names[i],arg_values[i]);
+             }
+             break;
+        }
         default:
             // Could handle other event types here
             break;
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index efa67dbc1c..8348d6cb0a 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -28,7 +28,7 @@
 // Cache size limits.
 static const size_t maxKeySize = 12 * 1024;
 static const size_t maxValueSize = 64 * 1024;
-static const size_t maxTotalSize = 2 * 1024 * 1024;
+static const size_t maxTotalSize = 32 * 1024 * 1024;
 
 // The time in seconds to wait before saving newly inserted cache entries.
 static const unsigned int deferredSaveDelay = 4;
diff --git a/opengl/tests/lib/WindowSurface.cpp b/opengl/tests/lib/WindowSurface.cpp
index fd4522e757..e94b565f11 100644
--- a/opengl/tests/lib/WindowSurface.cpp
+++ b/opengl/tests/lib/WindowSurface.cpp
@@ -36,7 +36,14 @@ WindowSurface::WindowSurface() {
         return;
     }
 
-    const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    if (ids.empty()) {
+        fprintf(stderr, "Failed to get ID for any displays.\n");
+        return;
+    }
+
+    // display 0 is picked for now, can extend to support all displays if needed
+    const auto displayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     if (displayToken == nullptr) {
         fprintf(stderr, "ERROR: no display\n");
         return;
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp
index ae1bb1a0d0..3ef5049230 100644
--- a/services/audiomanager/IAudioManager.cpp
+++ b/services/audiomanager/IAudioManager.cpp
@@ -87,12 +87,12 @@ public:
     }
 
     virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event,
-            audio_port_handle_t deviceId) {
+            audio_port_handle_t eventId) {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
         data.writeInt32((int32_t) piid);
         data.writeInt32((int32_t) event);
-        data.writeInt32((int32_t) deviceId);
+        data.writeInt32((int32_t) eventId);
         return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
@@ -141,6 +141,17 @@ public:
         data.writeInt32((int32_t) sessionId);
         return remote()->transact(PLAYER_SESSION_ID, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual status_t portEvent(audio_port_handle_t portId, player_state_t event,
+            const std::unique_ptr<os::PersistableBundle>& extras) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32((int32_t) portId);
+        data.writeInt32((int32_t) event);
+        // TODO: replace PersistableBundle with own struct
+        data.writeNullableParcelable(extras);
+        return remote()->transact(PORT_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService");
diff --git a/services/batteryservice/Android.bp b/services/batteryservice/Android.bp
index 1e3799185e..9b783916d3 100644
--- a/services/batteryservice/Android.bp
+++ b/services/batteryservice/Android.bp
@@ -9,6 +9,7 @@ package {
 
 cc_library_headers {
     name: "libbatteryservice_headers",
+    host_supported: true,
     vendor_available: true,
     recovery_available: true,
     export_include_dirs: ["include"],
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 18d670ae38..b8854352ad 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -38,9 +38,12 @@ cc_defaults {
         "-Wshadow",
         "-Wshadow-field-in-constructor-modified",
         "-Wshadow-uncaptured-local",
+        "-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
     ],
     sanitize: {
-        misc_undefined: ["bounds"],
+        misc_undefined: [
+            "bounds",
+        ],
     },
     tidy: true,
     tidy_checks: [
@@ -56,11 +59,10 @@ cc_defaults {
 filegroup {
     name: "libinputflinger_sources",
     srcs: [
-        "InputClassifier.cpp",
         "InputCommonConverter.cpp",
+        "InputProcessor.cpp",
         "PreferStylusOverTouchBlocker.cpp",
         "UnwantedInteractionBlocker.cpp",
-        "InputManager.cpp",
     ],
 }
 
@@ -76,21 +78,35 @@ cc_defaults {
         "libcrypto",
         "libcutils",
         "libhidlbase",
-        "libinput",
         "libkll",
         "liblog",
         "libprotobuf-cpp-lite",
         "libstatslog",
-        "libstatspull",
-        "libstatssocket",
         "libutils",
-        "libui",
         "server_configurable_flags",
     ],
     static_libs: [
         "libattestation",
         "libpalmrejection",
+        "libui-types",
     ],
+    target: {
+        android: {
+            shared_libs: [
+                "libgui",
+                "libinput",
+                "libstatspull",
+                "libstatssocket",
+            ],
+        },
+        host: {
+            static_libs: [
+                "libinput",
+                "libstatspull",
+                "libstatssocket",
+            ],
+        },
+    },
 }
 
 cc_library_shared {
@@ -99,6 +115,10 @@ cc_library_shared {
         "inputflinger_defaults",
         "libinputflinger_defaults",
     ],
+    srcs: [
+        "InputManager.cpp",
+        // other sources are added via "defaults"
+    ],
     cflags: [
         // TODO(b/23084678): Move inputflinger to its own process and mark it hidden
         //-fvisibility=hidden
@@ -107,9 +127,8 @@ cc_library_shared {
         // This should consist only of dependencies from inputflinger. Other dependencies should be
         // in cc_defaults so that they are included in the tests.
         "libinputflinger_base",
-        "libinputreporter",
         "libinputreader",
-        "libgui",
+        "libinputreporter",
     ],
     static_libs: [
         "libinputdispatcher",
@@ -129,6 +148,7 @@ cc_library_shared {
 
 cc_library_headers {
     name: "libinputflinger_headers",
+    host_supported: true,
     export_include_dirs: ["include"],
 }
 
@@ -138,6 +158,7 @@ filegroup {
         "InputListener.cpp",
         "InputReaderBase.cpp",
         "InputThread.cpp",
+        "NotifyArgs.cpp",
         "VibrationElement.cpp",
     ],
 }
@@ -149,18 +170,30 @@ cc_defaults {
         "libbase",
         "libbinder",
         "libcutils",
-        "libinput",
         "liblog",
-        "libui",
         "libutils",
     ],
     header_libs: [
         "libinputflinger_headers",
     ],
+    target: {
+        android: {
+            shared_libs: [
+                "libinput",
+            ],
+        },
+        host: {
+            static_libs: [
+                "libinput",
+                "libui-types",
+            ],
+        },
+    },
 }
 
 cc_library_shared {
     name: "libinputflinger_base",
+    host_supported: true,
     defaults: [
         "inputflinger_defaults",
         "libinputflinger_base_defaults",
@@ -169,3 +202,48 @@ cc_library_shared {
         "libinputflinger_headers",
     ],
 }
+
+// This target will build everything 'input-related'. This could be useful for
+// large refactorings of the input code. This is similar to 'm checkbuild', but
+// just for input code.
+// Use 'm checkinput' to build, and then (optionally) use 'm installclean' to
+// remove any of the installed artifacts that you may not want on your actual
+// build.
+phony {
+    name: "checkinput",
+    required: [
+        // native targets
+        "libinput",
+        "libinputflinger",
+        "inputflinger_tests",
+        "inputflinger_benchmarks",
+        "libinput_tests",
+        "libpalmrejection_test",
+        "libandroid_runtime",
+        "libinputservice_test",
+        "Bug-115739809",
+        "StructLayout_test",
+
+        // native fuzzers
+        "inputflinger_latencytracker_fuzzer",
+        "inputflinger_cursor_input_fuzzer",
+        "inputflinger_keyboard_input_fuzzer",
+        "inputflinger_multitouch_input_fuzzer",
+        "inputflinger_switch_input_fuzzer",
+        "inputflinger_input_reader_fuzzer",
+        "inputflinger_blocking_queue_fuzzer",
+        "inputflinger_input_classifier_fuzzer",
+
+        // Java/Kotlin targets
+        "CtsWindowManagerDeviceTestCases",
+        "InputTests",
+        "CtsHardwareTestCases",
+        "CtsInputTestCases",
+        "CtsViewTestCases",
+        "CtsWidgetTestCases",
+        "FrameworksCoreTests",
+        "FrameworksServicesTests",
+        "CtsSecurityTestCases",
+        "CtsSecurityBulletinHostTestCases",
+    ],
+}
diff --git a/services/inputflinger/BlockingQueue.h b/services/inputflinger/BlockingQueue.h
index 8300e8a3da..fe3728789d 100644
--- a/services/inputflinger/BlockingQueue.h
+++ b/services/inputflinger/BlockingQueue.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_BLOCKING_QUEUE_H
-#define _UI_INPUT_BLOCKING_QUEUE_H
+#pragma once
 
 #include "android-base/thread_annotations.h"
 #include <condition_variable>
@@ -106,6 +105,4 @@ private:
     std::vector<T> mQueue GUARDED_BY(mLock);
 };
 
-
 } // namespace android
-#endif
diff --git a/services/inputflinger/InputCommonConverter.cpp b/services/inputflinger/InputCommonConverter.cpp
index 8aee39fd0b..628ce6fc9a 100644
--- a/services/inputflinger/InputCommonConverter.cpp
+++ b/services/inputflinger/InputCommonConverter.cpp
@@ -263,6 +263,11 @@ static_assert(static_cast<common::Axis>(AMOTION_EVENT_AXIS_GENERIC_13) == common
 static_assert(static_cast<common::Axis>(AMOTION_EVENT_AXIS_GENERIC_14) == common::Axis::GENERIC_14);
 static_assert(static_cast<common::Axis>(AMOTION_EVENT_AXIS_GENERIC_15) == common::Axis::GENERIC_15);
 static_assert(static_cast<common::Axis>(AMOTION_EVENT_AXIS_GENERIC_16) == common::Axis::GENERIC_16);
+// TODO(hcutts): add GESTURE_X_OFFSET and GESTURE_Y_OFFSET.
+// If you added a new axis, consider whether this should also be exposed as a HAL axis. Update the
+// static_assert below and add the new axis here, or leave a comment summarizing your decision.
+static_assert(static_cast<common::Axis>(AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE) ==
+              static_cast<common::Axis>(AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET));
 
 static common::VideoFrame getHalVideoFrame(const TouchVideoFrame& frame) {
     common::VideoFrame out;
@@ -299,8 +304,8 @@ static void getHalPropertiesAndCoords(const NotifyMotionArgs& args,
         common::PointerCoords coords;
         // OK to copy bits because we have static_assert for pointerCoords axes
         coords.bits = args.pointerCoords[i].bits;
-        coords.values = std::vector<float>(args.pointerCoords[i].values,
-                                           args.pointerCoords[i].values +
+        coords.values = std::vector<float>(args.pointerCoords[i].values.cbegin(),
+                                           args.pointerCoords[i].values.cbegin() +
                                                    BitSet64::count(args.pointerCoords[i].bits));
         outPointerCoords.push_back(coords);
     }
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index dce327ed18..d33b29888f 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -31,308 +31,34 @@ using android::base::StringPrintf;
 
 namespace android {
 
-// --- NotifyConfigurationChangedArgs ---
-
-NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime)
-      : NotifyArgs(id, eventTime) {}
-
-NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
-        const NotifyConfigurationChangedArgs& other)
-      : NotifyArgs(other.id, other.eventTime) {}
-
-bool NotifyConfigurationChangedArgs::operator==(const NotifyConfigurationChangedArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime;
-}
-
-void NotifyConfigurationChangedArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyConfigurationChanged(this);
-}
-
-// --- NotifyKeyArgs ---
-
-NotifyKeyArgs::NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                             uint32_t source, int32_t displayId, uint32_t policyFlags,
-                             int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
-                             int32_t metaState, nsecs_t downTime)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        displayId(displayId),
-        policyFlags(policyFlags),
-        action(action),
-        flags(flags),
-        keyCode(keyCode),
-        scanCode(scanCode),
-        metaState(metaState),
-        downTime(downTime),
-        readTime(readTime) {}
-
-NotifyKeyArgs::NotifyKeyArgs(const NotifyKeyArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        displayId(other.displayId),
-        policyFlags(other.policyFlags),
-        action(other.action),
-        flags(other.flags),
-        keyCode(other.keyCode),
-        scanCode(other.scanCode),
-        metaState(other.metaState),
-        downTime(other.downTime),
-        readTime(other.readTime) {}
-
-bool NotifyKeyArgs::operator==(const NotifyKeyArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
-            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
-            policyFlags == rhs.policyFlags && action == rhs.action && flags == rhs.flags &&
-            keyCode == rhs.keyCode && scanCode == rhs.scanCode && metaState == rhs.metaState &&
-            downTime == rhs.downTime;
-}
-
-void NotifyKeyArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyKey(this);
-}
-
-// --- NotifyMotionArgs ---
-
-NotifyMotionArgs::NotifyMotionArgs(
-        int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId, uint32_t source,
-        int32_t displayId, uint32_t policyFlags, int32_t action, int32_t actionButton,
-        int32_t flags, int32_t metaState, int32_t buttonState, MotionClassification classification,
-        int32_t edgeFlags, uint32_t pointerCount, const PointerProperties* pointerProperties,
-        const PointerCoords* pointerCoords, float xPrecision, float yPrecision,
-        float xCursorPosition, float yCursorPosition, nsecs_t downTime,
-        const std::vector<TouchVideoFrame>& videoFrames)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        displayId(displayId),
-        policyFlags(policyFlags),
-        action(action),
-        actionButton(actionButton),
-        flags(flags),
-        metaState(metaState),
-        buttonState(buttonState),
-        classification(classification),
-        edgeFlags(edgeFlags),
-        pointerCount(pointerCount),
-        xPrecision(xPrecision),
-        yPrecision(yPrecision),
-        xCursorPosition(xCursorPosition),
-        yCursorPosition(yCursorPosition),
-        downTime(downTime),
-        readTime(readTime),
-        videoFrames(videoFrames) {
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        this->pointerProperties[i].copyFrom(pointerProperties[i]);
-        this->pointerCoords[i].copyFrom(pointerCoords[i]);
-    }
-}
-
-NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        displayId(other.displayId),
-        policyFlags(other.policyFlags),
-        action(other.action),
-        actionButton(other.actionButton),
-        flags(other.flags),
-        metaState(other.metaState),
-        buttonState(other.buttonState),
-        classification(other.classification),
-        edgeFlags(other.edgeFlags),
-        pointerCount(other.pointerCount),
-        xPrecision(other.xPrecision),
-        yPrecision(other.yPrecision),
-        xCursorPosition(other.xCursorPosition),
-        yCursorPosition(other.yCursorPosition),
-        downTime(other.downTime),
-        readTime(other.readTime),
-        videoFrames(other.videoFrames) {
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        pointerProperties[i].copyFrom(other.pointerProperties[i]);
-        pointerCoords[i].copyFrom(other.pointerCoords[i]);
-    }
-}
-
-static inline bool isCursorPositionEqual(float lhs, float rhs) {
-    return (isnan(lhs) && isnan(rhs)) || lhs == rhs;
-}
-
-bool NotifyMotionArgs::operator==(const NotifyMotionArgs& rhs) const {
-    bool equal = id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
-            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
-            policyFlags == rhs.policyFlags && action == rhs.action &&
-            actionButton == rhs.actionButton && flags == rhs.flags && metaState == rhs.metaState &&
-            buttonState == rhs.buttonState && classification == rhs.classification &&
-            edgeFlags == rhs.edgeFlags &&
-            pointerCount == rhs.pointerCount
-            // PointerProperties and PointerCoords are compared separately below
-            && xPrecision == rhs.xPrecision && yPrecision == rhs.yPrecision &&
-            isCursorPositionEqual(xCursorPosition, rhs.xCursorPosition) &&
-            isCursorPositionEqual(yCursorPosition, rhs.yCursorPosition) &&
-            downTime == rhs.downTime && videoFrames == rhs.videoFrames;
-    if (!equal) {
-        return false;
-    }
-
-    for (size_t i = 0; i < pointerCount; i++) {
-        equal =
-                pointerProperties[i] == rhs.pointerProperties[i]
-                && pointerCoords[i] == rhs.pointerCoords[i];
-        if (!equal) {
-            return false;
-        }
-    }
-    return true;
-}
-
-std::string NotifyMotionArgs::dump() const {
-    std::string coords;
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        if (!coords.empty()) {
-            coords += ", ";
-        }
-        coords += StringPrintf("{%" PRIu32 ": ", i);
-        coords +=
-                StringPrintf("id=%" PRIu32 " x=%.1f y=%.1f pressure=%.1f", pointerProperties[i].id,
-                             pointerCoords[i].getX(), pointerCoords[i].getY(),
-                             pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
-        const int32_t toolType = pointerProperties[i].toolType;
-        if (toolType != AMOTION_EVENT_TOOL_TYPE_FINGER) {
-            coords += StringPrintf(" toolType=%s", motionToolTypeToString(toolType));
-        }
-        const float major = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR);
-        const float minor = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR);
-        const float orientation = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
-        if (major != 0 || minor != 0) {
-            coords += StringPrintf(" major=%.1f minor=%.1f orientation=%.1f", major, minor,
-                                   orientation);
-        }
-        coords += "}";
-    }
-    return StringPrintf("NotifyMotionArgs(id=%" PRId32 ", eventTime=%" PRId64 ", deviceId=%" PRId32
-                        ", source=%s, action=%s, pointerCount=%" PRIu32
-                        " pointers=%s, flags=0x%08x)",
-                        id, eventTime, deviceId, inputEventSourceToString(source).c_str(),
-                        MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str(),
-                        flags);
-}
-
-void NotifyMotionArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyMotion(this);
-}
-
-// --- NotifySwitchArgs ---
-
-NotifySwitchArgs::NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags,
-                                   uint32_t switchValues, uint32_t switchMask)
-      : NotifyArgs(id, eventTime),
-        policyFlags(policyFlags),
-        switchValues(switchValues),
-        switchMask(switchMask) {}
-
-NotifySwitchArgs::NotifySwitchArgs(const NotifySwitchArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        policyFlags(other.policyFlags),
-        switchValues(other.switchValues),
-        switchMask(other.switchMask) {}
-
-bool NotifySwitchArgs::operator==(const NotifySwitchArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && policyFlags == rhs.policyFlags &&
-            switchValues == rhs.switchValues && switchMask == rhs.switchMask;
-}
-
-void NotifySwitchArgs::notify(InputListenerInterface& listener) const {
-    listener.notifySwitch(this);
-}
-
-// --- NotifySensorArgs ---
-
-NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
-                                   InputDeviceSensorType sensorType,
-                                   InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
-                                   nsecs_t hwTimestamp, std::vector<float> values)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        sensorType(sensorType),
-        accuracy(accuracy),
-        accuracyChanged(accuracyChanged),
-        hwTimestamp(hwTimestamp),
-        values(std::move(values)) {}
-
-NotifySensorArgs::NotifySensorArgs(const NotifySensorArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        sensorType(other.sensorType),
-        accuracy(other.accuracy),
-        accuracyChanged(other.accuracyChanged),
-        hwTimestamp(other.hwTimestamp),
-        values(other.values) {}
-
-bool NotifySensorArgs::operator==(const NotifySensorArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && sensorType == rhs.sensorType &&
-            accuracy == rhs.accuracy && accuracyChanged == rhs.accuracyChanged &&
-            hwTimestamp == rhs.hwTimestamp && values == rhs.values;
-}
-
-void NotifySensorArgs::notify(InputListenerInterface& listener) const {
-    listener.notifySensor(this);
-}
-
-// --- NotifyVibratorStateArgs ---
-
-NotifyVibratorStateArgs::NotifyVibratorStateArgs(int32_t id, nsecs_t eventTime, int32_t deviceId,
-                                                 bool isOn)
-      : NotifyArgs(id, eventTime), deviceId(deviceId), isOn(isOn) {}
-
-NotifyVibratorStateArgs::NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other)
-      : NotifyArgs(other.id, other.eventTime), deviceId(other.deviceId), isOn(other.isOn) {}
-
-bool NotifyVibratorStateArgs::operator==(const NotifyVibratorStateArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && deviceId == rhs.deviceId &&
-            isOn == rhs.isOn;
-}
-
-void NotifyVibratorStateArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyVibratorState(this);
-}
-
-// --- NotifyDeviceResetArgs ---
-
-NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
-      : NotifyArgs(id, eventTime), deviceId(deviceId) {}
-
-NotifyDeviceResetArgs::NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other)
-      : NotifyArgs(other.id, other.eventTime), deviceId(other.deviceId) {}
-
-bool NotifyDeviceResetArgs::operator==(const NotifyDeviceResetArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && deviceId == rhs.deviceId;
-}
-
-void NotifyDeviceResetArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyDeviceReset(this);
-}
-
-// --- NotifyPointerCaptureChangedArgs ---
-
-NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
-        int32_t id, nsecs_t eventTime, const PointerCaptureRequest& request)
-      : NotifyArgs(id, eventTime), request(request) {}
-
-NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
-        const NotifyPointerCaptureChangedArgs& other)
-      : NotifyArgs(other.id, other.eventTime), request(other.request) {}
-
-bool NotifyPointerCaptureChangedArgs::operator==(const NotifyPointerCaptureChangedArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && request == rhs.request;
-}
-
-void NotifyPointerCaptureChangedArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyPointerCaptureChanged(this);
+std::list<NotifyArgs>& operator+=(std::list<NotifyArgs>& keep, std::list<NotifyArgs>&& consume) {
+    keep.splice(keep.end(), consume);
+    return keep;
+}
+
+// --- InputListenerInterface ---
+
+// Helper to std::visit with lambdas.
+template <typename... V>
+struct Visitor : V... {};
+// explicit deduction guide (not needed as of C++20)
+template <typename... V>
+Visitor(V...) -> Visitor<V...>;
+
+void InputListenerInterface::notify(const NotifyArgs& generalArgs) {
+    Visitor v{
+            [&](const NotifyConfigurationChangedArgs& args) { notifyConfigurationChanged(&args); },
+            [&](const NotifyKeyArgs& args) { notifyKey(&args); },
+            [&](const NotifyMotionArgs& args) { notifyMotion(&args); },
+            [&](const NotifySwitchArgs& args) { notifySwitch(&args); },
+            [&](const NotifySensorArgs& args) { notifySensor(&args); },
+            [&](const NotifyVibratorStateArgs& args) { notifyVibratorState(&args); },
+            [&](const NotifyDeviceResetArgs& args) { notifyDeviceReset(&args); },
+            [&](const NotifyPointerCaptureChangedArgs& args) {
+                notifyPointerCaptureChanged(&args);
+            },
+    };
+    std::visit(v, generalArgs);
 }
 
 // --- QueuedInputListener ---
@@ -350,47 +76,47 @@ QueuedInputListener::QueuedInputListener(InputListenerInterface& innerListener)
 void QueuedInputListener::notifyConfigurationChanged(
         const NotifyConfigurationChangedArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyConfigurationChangedArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyKey(const NotifyKeyArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyKeyArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyMotion(const NotifyMotionArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyMotionArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifySwitch(const NotifySwitchArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifySwitchArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifySensor(const NotifySensorArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifySensorArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyVibratorState(const NotifyVibratorStateArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyVibratorStateArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyDeviceResetArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyPointerCaptureChangedArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::flush() {
-    for (const std::unique_ptr<NotifyArgs>& args : mArgsQueue) {
-        args->notify(mInnerListener);
+    for (const NotifyArgs& args : mArgsQueue) {
+        mInnerListener.notify(args);
     }
     mArgsQueue.clear();
 }
diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index 9767cd9b71..9182503692 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -55,14 +55,14 @@ static int32_t exceptionCodeFromStatusT(status_t status) {
 
 /**
  * The event flow is via the "InputListener" interface, as follows:
- * InputReader -> UnwantedInteractionBlocker -> InputClassifier -> InputDispatcher
+ * InputReader -> UnwantedInteractionBlocker -> InputProcessor -> InputDispatcher
  */
 InputManager::InputManager(
         const sp<InputReaderPolicyInterface>& readerPolicy,
         const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
     mDispatcher = createInputDispatcher(dispatcherPolicy);
-    mClassifier = std::make_unique<InputClassifier>(*mDispatcher);
-    mBlocker = std::make_unique<UnwantedInteractionBlocker>(*mClassifier);
+    mProcessor = std::make_unique<InputProcessor>(*mDispatcher);
+    mBlocker = std::make_unique<UnwantedInteractionBlocker>(*mProcessor);
     mReader = createInputReader(readerPolicy, *mBlocker);
 }
 
@@ -110,12 +110,12 @@ InputReaderInterface& InputManager::getReader() {
     return *mReader;
 }
 
-UnwantedInteractionBlockerInterface& InputManager::getUnwantedInteractionBlocker() {
+UnwantedInteractionBlockerInterface& InputManager::getBlocker() {
     return *mBlocker;
 }
 
-InputClassifierInterface& InputManager::getClassifier() {
-    return *mClassifier;
+InputProcessorInterface& InputManager::getProcessor() {
+    return *mProcessor;
 }
 
 InputDispatcherInterface& InputManager::getDispatcher() {
@@ -125,7 +125,7 @@ InputDispatcherInterface& InputManager::getDispatcher() {
 void InputManager::monitor() {
     mReader->monitor();
     mBlocker->monitor();
-    mClassifier->monitor();
+    mProcessor->monitor();
     mDispatcher->monitor();
 }
 
diff --git a/services/inputflinger/InputManager.h b/services/inputflinger/InputManager.h
index 8aad35bf1e..11371934c2 100644
--- a/services/inputflinger/InputManager.h
+++ b/services/inputflinger/InputManager.h
@@ -14,14 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_MANAGER_H
-#define _UI_INPUT_MANAGER_H
+#pragma once
 
 /**
  * Native input manager.
  */
 
-#include "InputClassifier.h"
+#include "InputProcessor.h"
 #include "InputReaderBase.h"
 #include "include/UnwantedInteractionBlockerInterface.h"
 
@@ -52,10 +51,11 @@ class InputDispatcherThread;
  *    this could be a palm on the screen. This stage would alter the event stream to remove either
  *    partially (some of the pointers) or fully (all touches) the unwanted interaction. The events
  *    are processed on the InputReader thread, without any additional queue. The events are then
- *    posted to the queue managed by the InputClassifier.
- * 3. The InputClassifier class starts a thread to communicate with the device-specific
- *    classifiers. It then waits on the queue of events from UnwantedInteractionBlocker, applies
- *    a classification to them, and queues them for the InputDispatcher.
+ *    posted to the queue managed by the InputProcessor.
+ * 3. The InputProcessor class starts a thread to communicate with the device-specific
+ *    IInputProcessor HAL. It then waits on the queue of events from UnwantedInteractionBlocker,
+ *    processes the events (for example, applies a classification to the events), and queues them
+ *    for the InputDispatcher.
  * 4. The InputDispatcher class starts a thread that waits for new events on the
  *    previous queue and asynchronously dispatches them to applications.
  *
@@ -83,10 +83,10 @@ public:
     virtual InputReaderInterface& getReader() = 0;
 
     /* Gets the unwanted interaction blocker. */
-    virtual UnwantedInteractionBlockerInterface& getUnwantedInteractionBlocker() = 0;
+    virtual UnwantedInteractionBlockerInterface& getBlocker() = 0;
 
-    /* Gets the input classifier */
-    virtual InputClassifierInterface& getClassifier() = 0;
+    /* Gets the input processor */
+    virtual InputProcessorInterface& getProcessor() = 0;
 
     /* Gets the input dispatcher. */
     virtual InputDispatcherInterface& getDispatcher() = 0;
@@ -108,8 +108,8 @@ public:
     status_t stop() override;
 
     InputReaderInterface& getReader() override;
-    UnwantedInteractionBlockerInterface& getUnwantedInteractionBlocker() override;
-    InputClassifierInterface& getClassifier() override;
+    UnwantedInteractionBlockerInterface& getBlocker() override;
+    InputProcessorInterface& getProcessor() override;
     InputDispatcherInterface& getDispatcher() override;
     void monitor() override;
 
@@ -123,11 +123,9 @@ private:
 
     std::unique_ptr<UnwantedInteractionBlockerInterface> mBlocker;
 
-    std::unique_ptr<InputClassifierInterface> mClassifier;
+    std::unique_ptr<InputProcessorInterface> mProcessor;
 
     std::unique_ptr<InputDispatcherInterface> mDispatcher;
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_MANAGER_H
diff --git a/services/inputflinger/InputClassifier.cpp b/services/inputflinger/InputProcessor.cpp
index 8ce2f35d7b..02d62bffb2 100644
--- a/services/inputflinger/InputClassifier.cpp
+++ b/services/inputflinger/InputProcessor.cpp
@@ -14,20 +14,21 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "InputClassifier"
+#define LOG_TAG "InputProcessor"
 
-#include "InputClassifier.h"
+#include "InputProcessor.h"
 #include "InputCommonConverter.h"
 
 #include <android-base/stringprintf.h>
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
+#include <input/Input.h>
 #include <inttypes.h>
 #include <log/log.h>
 #include <algorithm>
 #include <cmath>
 #if defined(__linux__)
-    #include <pthread.h>
+#include <pthread.h>
 #endif
 #include <unordered_set>
 
@@ -44,10 +45,10 @@ using aidl::android::hardware::input::processor::IInputProcessor;
 
 namespace android {
 
-//Max number of elements to store in mEvents.
+// Max number of elements to store in mEvents.
 static constexpr size_t MAX_EVENTS = 5;
 
-template<class K, class V>
+template <class K, class V>
 static V getValueForKey(const std::unordered_map<K, V>& map, K key, V defaultValue) {
     auto it = map.find(key);
     if (it == map.end()) {
@@ -123,40 +124,38 @@ ScopedDeathRecipient::~ScopedDeathRecipient() {
 
 // --- ClassifierEvent ---
 
-ClassifierEvent::ClassifierEvent(std::unique_ptr<NotifyMotionArgs> args) :
-        type(ClassifierEventType::MOTION), args(std::move(args)) { };
-ClassifierEvent::ClassifierEvent(std::unique_ptr<NotifyDeviceResetArgs> args) :
-        type(ClassifierEventType::DEVICE_RESET), args(std::move(args)) { };
-ClassifierEvent::ClassifierEvent(ClassifierEventType type, std::unique_ptr<NotifyArgs> args) :
-        type(type), args(std::move(args)) { };
+ClassifierEvent::ClassifierEvent(const NotifyMotionArgs& args)
+      : type(ClassifierEventType::MOTION), args(args){};
 
-ClassifierEvent::ClassifierEvent(ClassifierEvent&& other) :
-        type(other.type), args(std::move(other.args)) { };
+ClassifierEvent::ClassifierEvent(const NotifyDeviceResetArgs& args)
+      : type(ClassifierEventType::DEVICE_RESET), args(args){};
+
+ClassifierEvent::ClassifierEvent(ClassifierEventType type, std::optional<NotifyArgs> args)
+      : type(type), args(args){};
 
 ClassifierEvent& ClassifierEvent::operator=(ClassifierEvent&& other) {
     type = other.type;
-    args = std::move(other.args);
+    args = other.args;
     return *this;
 }
 
 ClassifierEvent ClassifierEvent::createHalResetEvent() {
-    return ClassifierEvent(ClassifierEventType::HAL_RESET, nullptr);
+    return ClassifierEvent(ClassifierEventType::HAL_RESET, std::nullopt);
 }
 
 ClassifierEvent ClassifierEvent::createExitEvent() {
-    return ClassifierEvent(ClassifierEventType::EXIT, nullptr);
+    return ClassifierEvent(ClassifierEventType::EXIT, std::nullopt);
 }
 
 std::optional<int32_t> ClassifierEvent::getDeviceId() const {
     switch (type) {
         case ClassifierEventType::MOTION: {
-            NotifyMotionArgs* motionArgs = static_cast<NotifyMotionArgs*>(args.get());
-            return motionArgs->deviceId;
+            const NotifyMotionArgs& motionArgs = std::get<NotifyMotionArgs>(*args);
+            return motionArgs.deviceId;
         }
         case ClassifierEventType::DEVICE_RESET: {
-            NotifyDeviceResetArgs* deviceResetArgs =
-                    static_cast<NotifyDeviceResetArgs*>(args.get());
-            return deviceResetArgs->deviceId;
+            const NotifyDeviceResetArgs& deviceResetArgs = std::get<NotifyDeviceResetArgs>(*args);
+            return deviceResetArgs.deviceId;
         }
         case ClassifierEventType::HAL_RESET: {
             return std::nullopt;
@@ -180,7 +179,7 @@ MotionClassifier::MotionClassifier(std::shared_ptr<IInputProcessor> service)
     mHalThread = std::thread(&MotionClassifier::processEvents, this);
 #if defined(__linux__)
     // Set the thread name for debugging
-    pthread_setname_np(mHalThread.native_handle(), "InputClassifier");
+    pthread_setname_np(mHalThread.native_handle(), "InputProcessor");
 #endif
 }
 
@@ -198,7 +197,7 @@ MotionClassifier::~MotionClassifier() {
 
 /**
  * Obtain the classification from the HAL for a given MotionEvent.
- * Should only be called from the InputClassifier thread (mHalThread).
+ * Should only be called from the InputProcessor thread (mHalThread).
  * Should not be called from the thread that notifyMotion runs on.
  *
  * There is no way to provide a timeout for a HAL call. So if the HAL takes too long
@@ -212,12 +211,12 @@ void MotionClassifier::processEvents() {
         bool halResponseOk = true;
         switch (event.type) {
             case ClassifierEventType::MOTION: {
-                NotifyMotionArgs* motionArgs = static_cast<NotifyMotionArgs*>(event.args.get());
-                common::MotionEvent motionEvent = notifyMotionArgsToHalMotionEvent(*motionArgs);
+                NotifyMotionArgs& motionArgs = std::get<NotifyMotionArgs>(*event.args);
+                common::MotionEvent motionEvent = notifyMotionArgsToHalMotionEvent(motionArgs);
                 common::Classification classification;
                 ndk::ScopedAStatus response = mService->classify(motionEvent, &classification);
                 if (response.isOk()) {
-                    updateClassification(motionArgs->deviceId, motionArgs->eventTime,
+                    updateClassification(motionArgs.deviceId, motionArgs.eventTime,
                                          getMotionClassification(classification));
                 }
                 break;
@@ -239,8 +238,8 @@ void MotionClassifier::processEvents() {
             }
         }
         if (!halResponseOk) {
-            ALOGE("Error communicating with InputClassifier HAL. "
-                    "Exiting MotionClassifier HAL thread");
+            ALOGE("Error communicating with InputProcessor HAL. "
+                  "Exiting MotionClassifier HAL thread");
             clearClassifications();
             return;
         }
@@ -262,14 +261,14 @@ void MotionClassifier::requestExit() {
 }
 
 void MotionClassifier::updateClassification(int32_t deviceId, nsecs_t eventTime,
-        MotionClassification classification) {
+                                            MotionClassification classification) {
     std::scoped_lock lock(mLock);
     const nsecs_t lastDownTime = getValueForKey(mLastDownTimes, deviceId, static_cast<nsecs_t>(0));
     if (eventTime < lastDownTime) {
         // HAL just finished processing an event that belonged to an earlier gesture,
         // but new gesture is already in progress. Drop this classification.
         ALOGW("Received late classification. Late by at least %" PRId64 " ms.",
-                nanoseconds_to_milliseconds(lastDownTime - eventTime));
+              nanoseconds_to_milliseconds(lastDownTime - eventTime));
         return;
     }
     mClassifications[deviceId] = classification;
@@ -307,8 +306,7 @@ MotionClassification MotionClassifier::classify(const NotifyMotionArgs& args) {
         updateLastDownTime(args.deviceId, args.downTime);
     }
 
-    ClassifierEvent event(std::make_unique<NotifyMotionArgs>(args));
-    enqueueEvent(std::move(event));
+    enqueueEvent(args);
     return getClassification(args.deviceId);
 }
 
@@ -319,66 +317,66 @@ void MotionClassifier::reset() {
 
 /**
  * Per-device reset. Clear the outstanding events that are going to be sent to HAL.
- * Request InputClassifier thread to call resetDevice for this particular device.
+ * Request InputProcessor thread to call resetDevice for this particular device.
  */
 void MotionClassifier::reset(const NotifyDeviceResetArgs& args) {
     int32_t deviceId = args.deviceId;
     // Clear the pending events right away, to avoid unnecessary work done by the HAL.
     mEvents.erase([deviceId](const ClassifierEvent& event) {
-            std::optional<int32_t> eventDeviceId = event.getDeviceId();
-            return eventDeviceId && (*eventDeviceId == deviceId);
+        std::optional<int32_t> eventDeviceId = event.getDeviceId();
+        return eventDeviceId && (*eventDeviceId == deviceId);
     });
-    enqueueEvent(std::make_unique<NotifyDeviceResetArgs>(args));
-}
-
-const char* MotionClassifier::getServiceStatus() REQUIRES(mLock) {
-    if (!mService) {
-        return "null";
-    }
-
-    if (AIBinder_ping(mService->asBinder().get()) == STATUS_OK) {
-        return "running";
-    }
-    return "not responding";
+    enqueueEvent(args);
 }
 
 void MotionClassifier::dump(std::string& dump) {
     std::scoped_lock lock(mLock);
-    dump += StringPrintf(INDENT2 "mService status: %s\n", getServiceStatus());
-    dump += StringPrintf(INDENT2 "mEvents: %zu element(s) (max=%zu)\n",
-            mEvents.size(), MAX_EVENTS);
+    dump += StringPrintf(INDENT2 "mService connected: %s\n", mService ? "true" : "false");
+    dump += StringPrintf(INDENT2 "mEvents: %zu element(s) (max=%zu)\n", mEvents.size(), MAX_EVENTS);
     dump += INDENT2 "mClassifications, mLastDownTimes:\n";
     dump += INDENT3 "Device Id\tClassification\tLast down time";
     // Combine mClassifications and mLastDownTimes into a single table.
     // Create a superset of device ids.
     std::unordered_set<int32_t> deviceIds;
     std::for_each(mClassifications.begin(), mClassifications.end(),
-            [&deviceIds](auto pair){ deviceIds.insert(pair.first); });
+                  [&deviceIds](auto pair) { deviceIds.insert(pair.first); });
     std::for_each(mLastDownTimes.begin(), mLastDownTimes.end(),
-            [&deviceIds](auto pair){ deviceIds.insert(pair.first); });
-    for(int32_t deviceId : deviceIds) {
+                  [&deviceIds](auto pair) { deviceIds.insert(pair.first); });
+    for (int32_t deviceId : deviceIds) {
         const MotionClassification classification =
                 getValueForKey(mClassifications, deviceId, MotionClassification::NONE);
         const nsecs_t downTime = getValueForKey(mLastDownTimes, deviceId, static_cast<nsecs_t>(0));
-        dump += StringPrintf("\n" INDENT4 "%" PRId32 "\t%s\t%" PRId64,
-                deviceId, motionClassificationToString(classification), downTime);
+        dump += StringPrintf("\n" INDENT4 "%" PRId32 "\t%s\t%" PRId64, deviceId,
+                             motionClassificationToString(classification), downTime);
     }
 }
 
-// --- InputClassifier ---
+void MotionClassifier::monitor() {
+    std::scoped_lock lock(mLock);
+    if (mService) {
+        // Ping the HAL service to ensure it is alive and not blocked.
+        const binder_status_t status = AIBinder_ping(mService->asBinder().get());
+        if (status != STATUS_OK) {
+            ALOGW("IInputProcessor HAL is not responding; binder ping result: %s",
+                  AStatus_getDescription(AStatus_fromStatus(status)));
+        }
+    }
+}
+
+// --- InputProcessor ---
 
-InputClassifier::InputClassifier(InputListenerInterface& listener) : mQueuedListener(listener) {}
+InputProcessor::InputProcessor(InputListenerInterface& listener) : mQueuedListener(listener) {}
 
-void InputClassifier::onBinderDied(void* cookie) {
-    InputClassifier* classifier = static_cast<InputClassifier*>(cookie);
-    if (classifier == nullptr) {
+void InputProcessor::onBinderDied(void* cookie) {
+    InputProcessor* processor = static_cast<InputProcessor*>(cookie);
+    if (processor == nullptr) {
         LOG_ALWAYS_FATAL("Cookie is not valid");
         return;
     }
-    classifier->setMotionClassifierEnabled(false);
+    processor->setMotionClassifierEnabled(false);
 }
 
-void InputClassifier::setMotionClassifierEnabled(bool enabled) {
+void InputProcessor::setMotionClassifierEnabled(bool enabled) {
     std::scoped_lock lock(mLock);
     if (enabled) {
         ALOGI("Enabling motion classifier");
@@ -391,7 +389,7 @@ void InputClassifier::setMotionClassifierEnabled(bool enabled) {
                  * and we can't continue because 'mInitializeMotionClassifier' will block in its
                  * destructor.
                  */
-                LOG_ALWAYS_FATAL("The thread to load IInputClassifier is stuck!");
+                LOG_ALWAYS_FATAL("The thread to load IInputProcessor is stuck!");
             }
         }
         mInitializeMotionClassifier = std::async(std::launch::async, [this] {
@@ -415,19 +413,19 @@ void InputClassifier::setMotionClassifierEnabled(bool enabled) {
     }
 }
 
-void InputClassifier::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
+void InputProcessor::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
     // pass through
     mQueuedListener.notifyConfigurationChanged(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyKey(const NotifyKeyArgs* args) {
+void InputProcessor::notifyKey(const NotifyKeyArgs* args) {
     // pass through
     mQueuedListener.notifyKey(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyMotion(const NotifyMotionArgs* args) {
+void InputProcessor::notifyMotion(const NotifyMotionArgs* args) {
     { // acquire lock
         std::scoped_lock lock(mLock);
         // MotionClassifier is only used for touch events, for now
@@ -436,32 +434,38 @@ void InputClassifier::notifyMotion(const NotifyMotionArgs* args) {
             mQueuedListener.notifyMotion(args);
         } else {
             NotifyMotionArgs newArgs(*args);
-            newArgs.classification = mMotionClassifier->classify(newArgs);
+            const MotionClassification newClassification = mMotionClassifier->classify(newArgs);
+            LOG_ALWAYS_FATAL_IF(args->classification != MotionClassification::NONE &&
+                                        newClassification != MotionClassification::NONE,
+                                "Conflicting classifications %s (new) and %s (old)!",
+                                motionClassificationToString(newClassification),
+                                motionClassificationToString(args->classification));
+            newArgs.classification = newClassification;
             mQueuedListener.notifyMotion(&newArgs);
         }
     } // release lock
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifySensor(const NotifySensorArgs* args) {
+void InputProcessor::notifySensor(const NotifySensorArgs* args) {
     // pass through
     mQueuedListener.notifySensor(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyVibratorState(const NotifyVibratorStateArgs* args) {
+void InputProcessor::notifyVibratorState(const NotifyVibratorStateArgs* args) {
     // pass through
     mQueuedListener.notifyVibratorState(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifySwitch(const NotifySwitchArgs* args) {
+void InputProcessor::notifySwitch(const NotifySwitchArgs* args) {
     // pass through
     mQueuedListener.notifySwitch(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
+void InputProcessor::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
     { // acquire lock
         std::scoped_lock lock(mLock);
         if (mMotionClassifier) {
@@ -474,13 +478,13 @@ void InputClassifier::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
+void InputProcessor::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
     // pass through
     mQueuedListener.notifyPointerCaptureChanged(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::setMotionClassifierLocked(
+void InputProcessor::setMotionClassifierLocked(
         std::unique_ptr<MotionClassifierInterface> motionClassifier) REQUIRES(mLock) {
     if (motionClassifier == nullptr) {
         // Destroy the ScopedDeathRecipient object, which will cause it to unlinkToDeath.
@@ -490,9 +494,9 @@ void InputClassifier::setMotionClassifierLocked(
     mMotionClassifier = std::move(motionClassifier);
 }
 
-void InputClassifier::dump(std::string& dump) {
+void InputProcessor::dump(std::string& dump) {
     std::scoped_lock lock(mLock);
-    dump += "Input Classifier State:\n";
+    dump += "Input Processor State:\n";
     dump += INDENT1 "Motion Classifier:\n";
     if (mMotionClassifier) {
         mMotionClassifier->dump(dump);
@@ -502,11 +506,11 @@ void InputClassifier::dump(std::string& dump) {
     dump += "\n";
 }
 
-void InputClassifier::monitor() {
+void InputProcessor::monitor() {
     std::scoped_lock lock(mLock);
+    if (mMotionClassifier) mMotionClassifier->monitor();
 }
 
-InputClassifier::~InputClassifier() {
-}
+InputProcessor::~InputProcessor() {}
 
 } // namespace android
diff --git a/services/inputflinger/InputClassifier.h b/services/inputflinger/InputProcessor.h
index 56cf760256..f4d02b6f30 100644
--- a/services/inputflinger/InputClassifier.h
+++ b/services/inputflinger/InputProcessor.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_CLASSIFIER_H
-#define _UI_INPUT_CLASSIFIER_H
+#pragma once
 
 #include <android-base/thread_annotations.h>
 #include <future>
@@ -36,12 +35,12 @@ enum class ClassifierEventType : uint8_t {
 
 struct ClassifierEvent {
     ClassifierEventType type;
-    std::unique_ptr<NotifyArgs> args;
+    std::optional<NotifyArgs> args;
 
-    ClassifierEvent(ClassifierEventType type, std::unique_ptr<NotifyArgs> args);
-    ClassifierEvent(std::unique_ptr<NotifyMotionArgs> args);
-    ClassifierEvent(std::unique_ptr<NotifyDeviceResetArgs> args);
-    ClassifierEvent(ClassifierEvent&& other);
+    ClassifierEvent(ClassifierEventType type, std::optional<NotifyArgs> args);
+    ClassifierEvent(const NotifyMotionArgs& args);
+    ClassifierEvent(const NotifyDeviceResetArgs& args);
+    ClassifierEvent(ClassifierEvent&& other) = default;
     ClassifierEvent& operator=(ClassifierEvent&& other);
 
     // Convenience function to create a HAL_RESET event
@@ -61,8 +60,8 @@ struct ClassifierEvent {
  */
 class MotionClassifierInterface {
 public:
-    MotionClassifierInterface() { }
-    virtual ~MotionClassifierInterface() { }
+    MotionClassifierInterface() {}
+    virtual ~MotionClassifierInterface() {}
     /**
      * Based on the motion event described by NotifyMotionArgs,
      * provide a MotionClassification for the current gesture.
@@ -78,16 +77,21 @@ public:
     virtual void reset(const NotifyDeviceResetArgs& args) = 0;
 
     /**
-     * Dump the state of the motion classifier
+     * Dump the state of the motion classifier.
      */
     virtual void dump(std::string& dump) = 0;
+
+    /**
+     * Called by the heartbeat to ensure the HAL is still processing normally.
+     */
+    virtual void monitor() = 0;
 };
 
 /**
  * Base interface for an InputListener stage.
  * Provides classification to events.
  */
-class InputClassifierInterface : public InputListenerInterface {
+class InputProcessorInterface : public InputListenerInterface {
 public:
     virtual void setMotionClassifierEnabled(bool enabled) = 0;
     /**
@@ -96,11 +100,11 @@ public:
      */
     virtual void dump(std::string& dump) = 0;
 
-    /* Called by the heatbeat to ensures that the classifier has not deadlocked. */
+    /** Called by the heartbeat to ensure that the classifier has not deadlocked. */
     virtual void monitor() = 0;
 
-    InputClassifierInterface() { }
-    virtual ~InputClassifierInterface() { }
+    InputProcessorInterface() {}
+    virtual ~InputProcessorInterface() {}
 };
 
 // --- Implementations ---
@@ -119,10 +123,10 @@ private:
 };
 
 /**
- * Implementation of MotionClassifierInterface that calls the InputClassifier HAL
+ * Implementation of MotionClassifierInterface that calls the InputProcessor HAL
  * in order to determine the classification for the current gesture.
  *
- * The InputClassifier HAL may keep track of the entire gesture in order to determine
+ * The InputProcessor HAL may keep track of the entire gesture in order to determine
  * the classification, and may be hardware-specific. It may use the data in
  * NotifyMotionArgs::videoFrames field to drive the classification decisions.
  * The HAL is called from a separate thread.
@@ -155,33 +159,34 @@ public:
     virtual void reset(const NotifyDeviceResetArgs& args) override;
 
     virtual void dump(std::string& dump) override;
+    virtual void monitor() override;
 
 private:
     friend class MotionClassifierTest; // to create MotionClassifier with a test HAL implementation
     explicit MotionClassifier(
             std::shared_ptr<aidl::android::hardware::input::processor::IInputProcessor> service);
 
-    // The events that need to be sent to the HAL.
+    /** The events that need to be sent to the HAL. */
     BlockingQueue<ClassifierEvent> mEvents;
     /**
      * Add an event to the queue mEvents.
      */
     void enqueueEvent(ClassifierEvent&& event);
     /**
-     * Thread that will communicate with InputClassifier HAL.
-     * This should be the only thread that communicates with InputClassifier HAL,
+     * Thread that will communicate with InputProcessor HAL.
+     * This should be the only thread that communicates with InputProcessor HAL,
      * because this thread is allowed to block on the HAL calls.
      */
     std::thread mHalThread;
     /**
-     * Process events and call the InputClassifier HAL
+     * Process events and call the InputProcessor HAL
      */
     void processEvents();
     /**
      * Access to the InputProcessor HAL. May be null if init() hasn't completed yet.
      * When init() successfully completes, mService is guaranteed to remain non-null and to not
      * change its value until MotionClassifier is destroyed.
-     * This variable is *not* guarded by mLock in the InputClassifier thread, because
+     * This variable is *not* guarded by mLock in the InputProcessor thread, because
      * that thread knows exactly when this variable is initialized.
      * When accessed in any other thread, mService is checked for nullness with a lock.
      */
@@ -191,8 +196,8 @@ private:
      * Per-device input classifications. Should only be accessed using the
      * getClassification / setClassification methods.
      */
-    std::unordered_map<int32_t /*deviceId*/, MotionClassification>
-            mClassifications GUARDED_BY(mLock);
+    std::unordered_map<int32_t /*deviceId*/, MotionClassification> mClassifications
+            GUARDED_BY(mLock);
     /**
      * Set the current classification for a given device.
      */
@@ -202,7 +207,7 @@ private:
      */
     MotionClassification getClassification(int32_t deviceId);
     void updateClassification(int32_t deviceId, nsecs_t eventTime,
-            MotionClassification classification);
+                              MotionClassification classification);
     /**
      * Clear all current classifications
      */
@@ -211,7 +216,7 @@ private:
      * Per-device times when the last ACTION_DOWN was received.
      * Used to reject late classifications that do not belong to the current gesture.
      *
-     * Accessed indirectly by both InputClassifier thread and the thread that receives notifyMotion.
+     * Accessed indirectly by both InputProcessor thread and the thread that receives notifyMotion.
      */
     std::unordered_map<int32_t /*deviceId*/, nsecs_t /*downTime*/> mLastDownTimes GUARDED_BY(mLock);
 
@@ -220,7 +225,7 @@ private:
     void clearDeviceState(int32_t deviceId);
 
     /**
-     * Exit the InputClassifier HAL thread.
+     * Exit the InputProcessor HAL thread.
      * Useful for tests to ensure proper cleanup.
      */
     void requestExit();
@@ -231,14 +236,14 @@ private:
 };
 
 /**
- * Implementation of the InputClassifierInterface.
+ * Implementation of the InputProcessorInterface.
  * Represents a separate stage of input processing. All of the input events go through this stage.
  * Acts as a passthrough for all input events except for motion events.
  * The events of motion type are sent to MotionClassifier.
  */
-class InputClassifier : public InputClassifierInterface {
+class InputProcessor : public InputProcessorInterface {
 public:
-    explicit InputClassifier(InputListenerInterface& listener);
+    explicit InputProcessor(InputListenerInterface& listener);
 
     void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
     void notifyKey(const NotifyKeyArgs* args) override;
@@ -252,7 +257,7 @@ public:
     void dump(std::string& dump) override;
     void monitor() override;
 
-    ~InputClassifier();
+    ~InputProcessor();
 
     // Called from InputManager
     void setMotionClassifierEnabled(bool enabled) override;
@@ -282,4 +287,3 @@ private:
 };
 
 } // namespace android
-#endif
diff --git a/services/inputflinger/InputThread.cpp b/services/inputflinger/InputThread.cpp
index b87f7a1243..e74f258168 100644
--- a/services/inputflinger/InputThread.cpp
+++ b/services/inputflinger/InputThread.cpp
@@ -41,7 +41,7 @@ private:
 
 InputThread::InputThread(std::string name, std::function<void()> loop, std::function<void()> wake)
       : mName(name), mThreadWake(wake) {
-    mThread = new InputThreadImpl(loop);
+    mThread = sp<InputThreadImpl>::make(loop);
     mThread->run(mName.c_str(), ANDROID_PRIORITY_URGENT_DISPLAY);
 }
 
@@ -54,7 +54,13 @@ InputThread::~InputThread() {
 }
 
 bool InputThread::isCallingThread() {
+#if defined(__ANDROID__)
     return gettid() == mThread->getTid();
+#else
+    // Assume that the caller is doing everything correctly,
+    // since thread information is not available on host
+    return false;
+#endif
 }
 
 } // namespace android
\ No newline at end of file
diff --git a/services/inputflinger/NotifyArgs.cpp b/services/inputflinger/NotifyArgs.cpp
new file mode 100644
index 0000000000..b192ad73c3
--- /dev/null
+++ b/services/inputflinger/NotifyArgs.cpp
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "NotifyArgs"
+
+#define ATRACE_TAG ATRACE_TAG_INPUT
+
+#include "NotifyArgs.h"
+
+#include <android-base/stringprintf.h>
+#include <android/log.h>
+#include <math.h>
+#include <utils/Trace.h>
+
+using android::base::StringPrintf;
+
+namespace android {
+
+// --- NotifyConfigurationChangedArgs ---
+
+NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime)
+      : id(id), eventTime(eventTime) {}
+
+// --- NotifyKeyArgs ---
+
+NotifyKeyArgs::NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                             uint32_t source, int32_t displayId, uint32_t policyFlags,
+                             int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
+                             int32_t metaState, nsecs_t downTime)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        displayId(displayId),
+        policyFlags(policyFlags),
+        action(action),
+        flags(flags),
+        keyCode(keyCode),
+        scanCode(scanCode),
+        metaState(metaState),
+        downTime(downTime),
+        readTime(readTime) {}
+
+// --- NotifyMotionArgs ---
+
+NotifyMotionArgs::NotifyMotionArgs(
+        int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId, uint32_t source,
+        int32_t displayId, uint32_t policyFlags, int32_t action, int32_t actionButton,
+        int32_t flags, int32_t metaState, int32_t buttonState, MotionClassification classification,
+        int32_t edgeFlags, uint32_t pointerCount, const PointerProperties* pointerProperties,
+        const PointerCoords* pointerCoords, float xPrecision, float yPrecision,
+        float xCursorPosition, float yCursorPosition, nsecs_t downTime,
+        const std::vector<TouchVideoFrame>& videoFrames)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        displayId(displayId),
+        policyFlags(policyFlags),
+        action(action),
+        actionButton(actionButton),
+        flags(flags),
+        metaState(metaState),
+        buttonState(buttonState),
+        classification(classification),
+        edgeFlags(edgeFlags),
+        pointerCount(pointerCount),
+        xPrecision(xPrecision),
+        yPrecision(yPrecision),
+        xCursorPosition(xCursorPosition),
+        yCursorPosition(yCursorPosition),
+        downTime(downTime),
+        readTime(readTime),
+        videoFrames(videoFrames) {
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        this->pointerProperties[i].copyFrom(pointerProperties[i]);
+        this->pointerCoords[i].copyFrom(pointerCoords[i]);
+    }
+}
+
+NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other)
+      : id(other.id),
+        eventTime(other.eventTime),
+        deviceId(other.deviceId),
+        source(other.source),
+        displayId(other.displayId),
+        policyFlags(other.policyFlags),
+        action(other.action),
+        actionButton(other.actionButton),
+        flags(other.flags),
+        metaState(other.metaState),
+        buttonState(other.buttonState),
+        classification(other.classification),
+        edgeFlags(other.edgeFlags),
+        pointerCount(other.pointerCount),
+        xPrecision(other.xPrecision),
+        yPrecision(other.yPrecision),
+        xCursorPosition(other.xCursorPosition),
+        yCursorPosition(other.yCursorPosition),
+        downTime(other.downTime),
+        readTime(other.readTime),
+        videoFrames(other.videoFrames) {
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].copyFrom(other.pointerProperties[i]);
+        pointerCoords[i].copyFrom(other.pointerCoords[i]);
+    }
+}
+
+static inline bool isCursorPositionEqual(float lhs, float rhs) {
+    return (isnan(lhs) && isnan(rhs)) || lhs == rhs;
+}
+
+bool NotifyMotionArgs::operator==(const NotifyMotionArgs& rhs) const {
+    bool equal = id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
+            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
+            policyFlags == rhs.policyFlags && action == rhs.action &&
+            actionButton == rhs.actionButton && flags == rhs.flags && metaState == rhs.metaState &&
+            buttonState == rhs.buttonState && classification == rhs.classification &&
+            edgeFlags == rhs.edgeFlags &&
+            pointerCount == rhs.pointerCount
+            // PointerProperties and PointerCoords are compared separately below
+            && xPrecision == rhs.xPrecision && yPrecision == rhs.yPrecision &&
+            isCursorPositionEqual(xCursorPosition, rhs.xCursorPosition) &&
+            isCursorPositionEqual(yCursorPosition, rhs.yCursorPosition) &&
+            downTime == rhs.downTime && videoFrames == rhs.videoFrames;
+    if (!equal) {
+        return false;
+    }
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        equal = pointerProperties[i] == rhs.pointerProperties[i] &&
+                pointerCoords[i] == rhs.pointerCoords[i];
+        if (!equal) {
+            return false;
+        }
+    }
+    return true;
+}
+
+std::string NotifyMotionArgs::dump() const {
+    std::string coords;
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        if (!coords.empty()) {
+            coords += ", ";
+        }
+        coords += StringPrintf("{%" PRIu32 ": ", i);
+        coords +=
+                StringPrintf("id=%" PRIu32 " x=%.1f y=%.1f pressure=%.1f", pointerProperties[i].id,
+                             pointerCoords[i].getX(), pointerCoords[i].getY(),
+                             pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+        const int32_t toolType = pointerProperties[i].toolType;
+        if (toolType != AMOTION_EVENT_TOOL_TYPE_FINGER) {
+            coords += StringPrintf(" toolType=%s", motionToolTypeToString(toolType));
+        }
+        const float major = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR);
+        const float minor = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR);
+        const float orientation = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
+        if (major != 0 || minor != 0) {
+            coords += StringPrintf(" major=%.1f minor=%.1f orientation=%.1f", major, minor,
+                                   orientation);
+        }
+        coords += "}";
+    }
+    return StringPrintf("NotifyMotionArgs(id=%" PRId32 ", eventTime=%" PRId64 ", deviceId=%" PRId32
+                        ", source=%s, action=%s, pointerCount=%" PRIu32
+                        " pointers=%s, flags=0x%08x)",
+                        id, eventTime, deviceId, inputEventSourceToString(source).c_str(),
+                        MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str(),
+                        flags);
+}
+
+// --- NotifySwitchArgs ---
+
+NotifySwitchArgs::NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags,
+                                   uint32_t switchValues, uint32_t switchMask)
+      : id(id),
+        eventTime(eventTime),
+        policyFlags(policyFlags),
+        switchValues(switchValues),
+        switchMask(switchMask) {}
+
+// --- NotifySensorArgs ---
+
+NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+                                   InputDeviceSensorType sensorType,
+                                   InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+                                   nsecs_t hwTimestamp, std::vector<float> values)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        sensorType(sensorType),
+        accuracy(accuracy),
+        accuracyChanged(accuracyChanged),
+        hwTimestamp(hwTimestamp),
+        values(std::move(values)) {}
+
+// --- NotifyVibratorStateArgs ---
+
+NotifyVibratorStateArgs::NotifyVibratorStateArgs(int32_t id, nsecs_t eventTime, int32_t deviceId,
+                                                 bool isOn)
+      : id(id), eventTime(eventTime), deviceId(deviceId), isOn(isOn) {}
+
+// --- NotifyDeviceResetArgs ---
+
+NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
+      : id(id), eventTime(eventTime), deviceId(deviceId) {}
+
+// --- NotifyPointerCaptureChangedArgs ---
+
+NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
+        int32_t id, nsecs_t eventTime, const PointerCaptureRequest& request)
+      : id(id), eventTime(eventTime), request(request) {}
+
+// Helper to std::visit with lambdas.
+template <typename... V>
+struct Visitor : V... {};
+// explicit deduction guide (not needed as of C++20)
+template <typename... V>
+Visitor(V...) -> Visitor<V...>;
+
+const char* toString(const NotifyArgs& args) {
+    Visitor toStringVisitor{
+            [&](const NotifyConfigurationChangedArgs&) { return "NotifyConfigurationChangedArgs"; },
+            [&](const NotifyKeyArgs&) { return "NotifyKeyArgs"; },
+            [&](const NotifyMotionArgs&) { return "NotifyMotionArgs"; },
+            [&](const NotifySensorArgs&) { return "NotifySensorArgs"; },
+            [&](const NotifySwitchArgs&) { return "NotifySwitchArgs"; },
+            [&](const NotifyDeviceResetArgs&) { return "NotifyDeviceResetArgs"; },
+            [&](const NotifyPointerCaptureChangedArgs&) {
+                return "NotifyPointerCaptureChangedArgs";
+            },
+            [&](const NotifyVibratorStateArgs&) { return "NotifyVibratorStateArgs"; },
+    };
+    return std::visit(toStringVisitor, args);
+}
+
+} // namespace android
diff --git a/services/inputflinger/PreferStylusOverTouchBlocker.cpp b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
index beec2e162e..ddd514676b 100644
--- a/services/inputflinger/PreferStylusOverTouchBlocker.cpp
+++ b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
@@ -25,8 +25,7 @@ static std::pair<bool, bool> checkToolType(const NotifyMotionArgs& args) {
     for (size_t i = 0; i < args.pointerCount; i++) {
         // Make sure we are canceling stylus pointers
         const int32_t toolType = args.pointerProperties[i].toolType;
-        if (toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
-            toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+        if (isStylusToolType(toolType)) {
             hasStylus = true;
         }
         if (toolType == AMOTION_EVENT_TOOL_TYPE_FINGER) {
diff --git a/services/inputflinger/TEST_MAPPING b/services/inputflinger/TEST_MAPPING
index 8d5d8839e8..3d7242e9ea 100644
--- a/services/inputflinger/TEST_MAPPING
+++ b/services/inputflinger/TEST_MAPPING
@@ -41,13 +41,111 @@
       "name": "CtsViewTestCases",
       "options": [
         {
+          "include-filter": "android.view.cts.input",
           "include-filter": "android.view.cts.MotionEventTest",
           "include-filter": "android.view.cts.PointerCaptureTest",
+          "include-filter": "android.view.cts.TooltipTest",
           "include-filter": "android.view.cts.VerifyInputEventTest"
         }
       ]
     },
     {
+      "name": "CtsWidgetTestCases",
+      "options": [
+        {
+          "include-filter": "android.widget.cts.NumberPickerTest"
+        }
+      ]
+    },
+    {
+      "name": "FrameworksCoreTests",
+      "options": [
+        {
+          "include-filter": "android.view.VerifiedKeyEventTest",
+          "include-filter": "android.view.VerifiedMotionEventTest"
+        }
+      ]
+    },
+    {
+      "name": "FrameworksServicesTests",
+      "options": [
+        {
+          "include-filter": "com.android.server.input"
+        }
+      ]
+    },
+    {
+      "name": "CtsSecurityTestCases",
+      "options": [
+        {
+          "include-filter": "android.security.cts.MotionEventTest"
+        }
+      ]
+    },
+    {
+      "name": "CtsSecurityBulletinHostTestCases",
+      "options": [
+        {
+          "include-filter": "android.security.cts.Poc19_03#testPocBug_115739809"
+        }
+      ]
+    }
+  ],
+  "hwasan-postsubmit": [
+    {
+      "name": "CtsWindowManagerDeviceTestCases",
+      "options": [
+        {
+          "include-filter": "android.server.wm.WindowInputTests"
+        }
+      ]
+    },
+    {
+      "name": "libinput_tests"
+    },
+    {
+      "name": "inputflinger_tests"
+    },
+    {
+      "name": "libpalmrejection_test"
+    },
+    {
+      "name": "InputTests"
+    },
+    {
+      "name": "libinputservice_test"
+    },
+    {
+      "name": "CtsHardwareTestCases",
+      "options": [
+        {
+          "include-filter": "android.hardware.input.cts.tests"
+        }
+      ]
+    },
+    {
+      "name": "CtsInputTestCases"
+    },
+    {
+      "name": "CtsViewTestCases",
+      "options": [
+        {
+          "include-filter": "android.view.cts.MotionEventTest",
+          "include-filter": "android.view.cts.PointerCaptureTest",
+          "include-filter": "android.view.cts.TooltipTest",
+          "include-filter": "android.view.cts.VerifyInputEventTest"
+        }
+      ]
+    },
+    {
+      "name": "CtsWidgetTestCases",
+      "options": [
+        {
+          "include-filter": "android.widget.cts.NumberPickerTest"
+        }
+      ]
+    },
+    {
       "name": "FrameworksCoreTests",
       "options": [
         {
diff --git a/services/inputflinger/UnwantedInteractionBlocker.cpp b/services/inputflinger/UnwantedInteractionBlocker.cpp
index ec41025e9d..c170b81475 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.cpp
+++ b/services/inputflinger/UnwantedInteractionBlocker.cpp
@@ -99,14 +99,17 @@ static bool isPalmRejectionEnabled() {
 }
 
 static int getLinuxToolCode(int toolType) {
-    if (toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS) {
-        return BTN_TOOL_PEN;
+    switch (toolType) {
+        case AMOTION_EVENT_TOOL_TYPE_STYLUS:
+            return BTN_TOOL_PEN;
+        case AMOTION_EVENT_TOOL_TYPE_ERASER:
+            return BTN_TOOL_RUBBER;
+        case AMOTION_EVENT_TOOL_TYPE_FINGER:
+            return BTN_TOOL_FINGER;
+        default:
+            ALOGW("Got tool type %" PRId32 ", converting to BTN_TOOL_FINGER", toolType);
+            return BTN_TOOL_FINGER;
     }
-    if (toolType == AMOTION_EVENT_TOOL_TYPE_FINGER) {
-        return BTN_TOOL_FINGER;
-    }
-    ALOGW("Got tool type %" PRId32 ", converting to BTN_TOOL_FINGER", toolType);
-    return BTN_TOOL_FINGER;
 }
 
 static int32_t getActionUpForPointerId(const NotifyMotionArgs& args, int32_t pointerId) {
@@ -195,7 +198,7 @@ NotifyMotionArgs removePointerIds(const NotifyMotionArgs& args,
 static std::optional<NotifyMotionArgs> removeStylusPointerIds(const NotifyMotionArgs& args) {
     std::set<int32_t> stylusPointerIds;
     for (uint32_t i = 0; i < args.pointerCount; i++) {
-        if (args.pointerProperties[i].toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS) {
+        if (isStylusToolType(args.pointerProperties[i].toolType)) {
             stylusPointerIds.insert(args.pointerProperties[i].id);
         }
     }
diff --git a/services/inputflinger/benchmarks/Android.bp b/services/inputflinger/benchmarks/Android.bp
index 75071d55ac..4e2a6fbf87 100644
--- a/services/inputflinger/benchmarks/Android.bp
+++ b/services/inputflinger/benchmarks/Android.bp
@@ -21,12 +21,10 @@ cc_benchmark {
         "libbinder",
         "libcrypto",
         "libcutils",
-        "libinput",
         "libinputflinger_base",
         "libinputreporter",
         "liblog",
         "libstatslog",
-        "libui",
         "libutils",
     ],
     static_libs: [
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index a2e60c4e6f..3d4dd7eabb 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -82,8 +82,6 @@ private:
 
     void notifyVibratorState(int32_t deviceId, bool isOn) override {}
 
-    void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
-
     void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
         *outConfig = mConfig;
     }
@@ -260,14 +258,15 @@ static NotifyMotionArgs generateMotionArgs() {
 
 static void benchmarkNotifyMotion(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window that will receive motion events
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     dispatcher.setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -294,14 +293,15 @@ static void benchmarkNotifyMotion(benchmark::State& state) {
 
 static void benchmarkInjectMotion(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window that will receive motion events
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     dispatcher.setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -327,14 +327,15 @@ static void benchmarkInjectMotion(benchmark::State& state) {
 
 static void benchmarkOnWindowInfosChanged(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     std::vector<gui::WindowInfo> windowInfos{*window->getInfo()};
     gui::DisplayInfo info;
diff --git a/services/inputflinger/dispatcher/Android.bp b/services/inputflinger/dispatcher/Android.bp
index cdad9c93fd..ab5c5ef99c 100644
--- a/services/inputflinger/dispatcher/Android.bp
+++ b/services/inputflinger/dispatcher/Android.bp
@@ -23,6 +23,7 @@ package {
 
 cc_library_headers {
     name: "libinputdispatcher_headers",
+    host_supported: true,
     export_include_dirs: [
         "include",
     ],
@@ -33,6 +34,7 @@ filegroup {
     srcs: [
         "AnrTracker.cpp",
         "Connection.cpp",
+        "DragState.cpp",
         "Entry.cpp",
         "FocusResolver.cpp",
         "InjectionState.cpp",
@@ -44,8 +46,8 @@ filegroup {
         "LatencyAggregator.cpp",
         "LatencyTracker.cpp",
         "Monitor.cpp",
+        "TouchedWindow.cpp",
         "TouchState.cpp",
-        "DragState.cpp",
     ],
 }
 
@@ -56,21 +58,34 @@ cc_defaults {
         "libbase",
         "libcrypto",
         "libcutils",
-        "libinput",
         "libkll",
         "liblog",
         "libprotobuf-cpp-lite",
         "libstatslog",
-        "libstatspull",
-        "libstatssocket",
-        "libui",
-        "libgui",
         "libutils",
         "server_configurable_flags",
     ],
     static_libs: [
         "libattestation",
+        "libgui_window_info_static",
     ],
+    target: {
+        android: {
+            shared_libs: [
+                "libgui",
+                "libinput",
+                "libstatspull",
+                "libstatssocket",
+            ],
+        },
+        host: {
+            static_libs: [
+                "libinput",
+                "libstatspull",
+                "libstatssocket",
+            ],
+        },
+    },
     header_libs: [
         "libinputdispatcher_headers",
     ],
@@ -85,8 +100,8 @@ cc_library_static {
     shared_libs: [
         // This should consist only of dependencies from inputflinger. Other dependencies should be
         // in cc_defaults so that they are included in the tests.
-        "libinputreporter",
         "libinputflinger_base",
+        "libinputreporter",
     ],
     export_header_lib_headers: [
         "libinputdispatcher_headers",
diff --git a/services/inputflinger/dispatcher/AnrTracker.cpp b/services/inputflinger/dispatcher/AnrTracker.cpp
index c3f611e7db..a18063f299 100644
--- a/services/inputflinger/dispatcher/AnrTracker.cpp
+++ b/services/inputflinger/dispatcher/AnrTracker.cpp
@@ -54,7 +54,7 @@ bool AnrTracker::empty() const {
 }
 
 // If empty() is false, return the time at which the next connection should cause an ANR
-// If empty() is true, return LONG_LONG_MAX
+// If empty() is true, return LLONG_MAX
 nsecs_t AnrTracker::firstTimeout() const {
     if (mAnrTimeouts.empty()) {
         return std::numeric_limits<nsecs_t>::max();
diff --git a/services/inputflinger/dispatcher/AnrTracker.h b/services/inputflinger/dispatcher/AnrTracker.h
index 097dba5bea..cff5d00e4b 100644
--- a/services/inputflinger/dispatcher/AnrTracker.h
+++ b/services/inputflinger/dispatcher/AnrTracker.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
-#define _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
+#pragma once
 
 #include <binder/IBinder.h>
 #include <utils/Timers.h>
@@ -36,7 +35,7 @@ public:
 
     bool empty() const;
     // If empty() is false, return the time at which the next connection should cause an ANR
-    // If empty() is true, return LONG_LONG_MAX
+    // If empty() is true, return LLONG_MAX
     nsecs_t firstTimeout() const;
     // Return the token of the next connection that should cause an ANR.
     // Do not call this unless empty() is false, you will encounter undefined behaviour.
@@ -56,5 +55,3 @@ private:
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
diff --git a/services/inputflinger/dispatcher/CancelationOptions.h b/services/inputflinger/dispatcher/CancelationOptions.h
index 99e2108dbf..512cb6e692 100644
--- a/services/inputflinger/dispatcher/CancelationOptions.h
+++ b/services/inputflinger/dispatcher/CancelationOptions.h
@@ -14,16 +14,17 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
-#define _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
+#pragma once
 
+#include <utils/BitSet.h>
 #include <optional>
 
-namespace android::inputdispatcher {
+namespace android {
+namespace inputdispatcher {
 
 /* Specifies which events are to be canceled and why. */
 struct CancelationOptions {
-    enum Mode {
+    enum class Mode {
         CANCEL_ALL_EVENTS = 0,
         CANCEL_POINTER_EVENTS = 1,
         CANCEL_NON_POINTER_EVENTS = 2,
@@ -45,9 +46,11 @@ struct CancelationOptions {
     // The specific display id of events to cancel, or nullopt to cancel events on any display.
     std::optional<int32_t> displayId = std::nullopt;
 
+    // The specific pointers to cancel, or nullopt to cancel all pointer events
+    std::optional<BitSet32> pointerIds = std::nullopt;
+
     CancelationOptions(Mode mode, const char* reason) : mode(mode), reason(reason) {}
 };
 
-} // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
+} // namespace inputdispatcher
+} // namespace android
diff --git a/services/inputflinger/dispatcher/Connection.h b/services/inputflinger/dispatcher/Connection.h
index dc6a081ff6..6040e9b078 100644
--- a/services/inputflinger/dispatcher/Connection.h
+++ b/services/inputflinger/dispatcher/Connection.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
-#define _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
+#pragma once
 
 #include "InputState.h"
 
@@ -74,5 +73,3 @@ public:
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
diff --git a/services/inputflinger/dispatcher/DebugConfig.h b/services/inputflinger/dispatcher/DebugConfig.h
index 9a2aea69ec..d2ad40754a 100644
--- a/services/inputflinger/dispatcher/DebugConfig.h
+++ b/services/inputflinger/dispatcher/DebugConfig.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
-#define _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
+#pragma once
 
 #define LOG_TAG "InputDispatcher"
 
@@ -92,5 +91,3 @@ const bool DEBUG_APP_SWITCH =
 const bool DEBUG_HOVER =
         __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Hover", ANDROID_LOG_INFO);
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
\ No newline at end of file
diff --git a/services/inputflinger/dispatcher/DragState.h b/services/inputflinger/dispatcher/DragState.h
index d1c8b8a10e..9809148853 100644
--- a/services/inputflinger/dispatcher/DragState.h
+++ b/services/inputflinger/dispatcher/DragState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
+#pragma once
 
 #include <gui/WindowInfo.h>
 #include <utils/StrongPointer.h>
@@ -44,5 +43,3 @@ struct DragState {
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
\ No newline at end of file
diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index 8046bbe25c..7bbfb95b88 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -166,7 +166,7 @@ KeyEntry::KeyEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t sou
         repeatCount(repeatCount),
         downTime(downTime),
         syntheticRepeat(false),
-        interceptKeyResult(KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN),
+        interceptKeyResult(KeyEntry::InterceptKeyResult::UNKNOWN),
         interceptKeyWakeupTime(0) {}
 
 KeyEntry::~KeyEntry() {}
@@ -189,15 +189,16 @@ void KeyEntry::recycle() {
 
     dispatchInProgress = false;
     syntheticRepeat = false;
-    interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+    interceptKeyResult = KeyEntry::InterceptKeyResult::UNKNOWN;
     interceptKeyWakeupTime = 0;
 }
 
 // --- TouchModeEntry ---
 
-TouchModeEntry::TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode)
+TouchModeEntry::TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode, int displayId)
       : EventEntry(id, Type::TOUCH_MODE_CHANGED, eventTime, POLICY_FLAG_PASS_TO_USER),
-        inTouchMode(inTouchMode) {}
+        inTouchMode(inTouchMode),
+        displayId(displayId) {}
 
 TouchModeEntry::~TouchModeEntry() {}
 
@@ -307,7 +308,8 @@ std::string SensorEntry::getDescription() const {
 
 volatile int32_t DispatchEntry::sNextSeqAtomic;
 
-DispatchEntry::DispatchEntry(std::shared_ptr<EventEntry> eventEntry, int32_t targetFlags,
+DispatchEntry::DispatchEntry(std::shared_ptr<EventEntry> eventEntry,
+                             ftl::Flags<InputTarget::Flags> targetFlags,
                              const ui::Transform& transform, const ui::Transform& rawTransform,
                              float globalScaleFactor)
       : seq(nextSeq()),
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index 0f792967eb..3799814f67 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_ENTRY_H
-#define _UI_INPUT_INPUTDISPATCHER_ENTRY_H
+#pragma once
 
 #include "InjectionState.h"
 #include "InputTarget.h"
@@ -141,11 +140,11 @@ struct KeyEntry : EventEntry {
 
     bool syntheticRepeat; // set to true for synthetic key repeats
 
-    enum InterceptKeyResult {
-        INTERCEPT_KEY_RESULT_UNKNOWN,
-        INTERCEPT_KEY_RESULT_SKIP,
-        INTERCEPT_KEY_RESULT_CONTINUE,
-        INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER,
+    enum class InterceptKeyResult {
+        UNKNOWN,
+        SKIP,
+        CONTINUE,
+        TRY_AGAIN_LATER,
     };
     InterceptKeyResult interceptKeyResult; // set based on the interception result
     nsecs_t interceptKeyWakeupTime;        // used with INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER
@@ -211,8 +210,9 @@ struct SensorEntry : EventEntry {
 
 struct TouchModeEntry : EventEntry {
     bool inTouchMode;
+    int32_t displayId;
 
-    TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode);
+    TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode, int32_t displayId);
     std::string getDescription() const override;
 
     ~TouchModeEntry() override;
@@ -223,7 +223,7 @@ struct DispatchEntry {
     const uint32_t seq; // unique sequence number, never 0
 
     std::shared_ptr<EventEntry> eventEntry; // the event to dispatch
-    int32_t targetFlags;
+    ftl::Flags<InputTarget::Flags> targetFlags;
     ui::Transform transform;
     ui::Transform rawTransform;
     float globalScaleFactor;
@@ -238,13 +238,15 @@ struct DispatchEntry {
     int32_t resolvedAction;
     int32_t resolvedFlags;
 
-    DispatchEntry(std::shared_ptr<EventEntry> eventEntry, int32_t targetFlags,
-                  const ui::Transform& transform, const ui::Transform& rawTransform,
-                  float globalScaleFactor);
+    DispatchEntry(std::shared_ptr<EventEntry> eventEntry,
+                  ftl::Flags<InputTarget::Flags> targetFlags, const ui::Transform& transform,
+                  const ui::Transform& rawTransform, float globalScaleFactor);
 
-    inline bool hasForegroundTarget() const { return targetFlags & InputTarget::FLAG_FOREGROUND; }
+    inline bool hasForegroundTarget() const {
+        return targetFlags.test(InputTarget::Flags::FOREGROUND);
+    }
 
-    inline bool isSplit() const { return targetFlags & InputTarget::FLAG_SPLIT; }
+    inline bool isSplit() const { return targetFlags.test(InputTarget::Flags::SPLIT); }
 
 private:
     static volatile int32_t sNextSeqAtomic;
@@ -257,5 +259,3 @@ VerifiedMotionEvent verifiedMotionEventFromMotionEntry(const MotionEntry& entry,
                                                        const ui::Transform& rawTransform);
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_ENTRY_H
diff --git a/services/inputflinger/dispatcher/FocusResolver.cpp b/services/inputflinger/dispatcher/FocusResolver.cpp
index a02b3e8779..4da846bcf8 100644
--- a/services/inputflinger/dispatcher/FocusResolver.cpp
+++ b/services/inputflinger/dispatcher/FocusResolver.cpp
@@ -13,24 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-#define LOG_TAG "FocusResolver"
+#define LOG_TAG "InputDispatcher"
 #define ATRACE_TAG ATRACE_TAG_INPUT
 
 #define INDENT "  "
 #define INDENT2 "    "
 
-// Log debug messages about input focus tracking.
-static constexpr bool DEBUG_FOCUS = false;
-
 #include <inttypes.h>
 
 #include <android-base/stringprintf.h>
 #include <binder/Binder.h>
 #include <ftl/enum.h>
 #include <gui/WindowInfo.h>
-#include <log/log.h>
 
+#include "DebugConfig.h"
 #include "FocusResolver.h"
 
 using android::gui::FocusRequest;
diff --git a/services/inputflinger/dispatcher/InjectionState.h b/services/inputflinger/dispatcher/InjectionState.h
index 90cf150ac3..d9e27ba50b 100644
--- a/services/inputflinger/dispatcher/InjectionState.h
+++ b/services/inputflinger/dispatcher/InjectionState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
+#pragma once
 
 #include <stdint.h>
 #include "InputDispatcherInterface.h"
@@ -41,5 +40,3 @@ private:
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index eb97a68a9a..4aac377b42 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -25,8 +25,11 @@
 #include <android/os/IInputConstants.h>
 #include <binder/Binder.h>
 #include <ftl/enum.h>
+#if defined(__ANDROID__)
 #include <gui/SurfaceComposerClient.h>
+#endif
 #include <input/InputDevice.h>
+#include <input/PrintTools.h>
 #include <powermanager/PowerManager.h>
 #include <unistd.h>
 #include <utils/Trace.h>
@@ -48,6 +51,7 @@
 #define INDENT3 "      "
 #define INDENT4 "        "
 
+using namespace android::ftl::flag_operators;
 using android::base::HwTimeoutMultiplier;
 using android::base::Result;
 using android::base::StringPrintf;
@@ -56,8 +60,6 @@ using android::gui::FocusRequest;
 using android::gui::TouchOcclusionMode;
 using android::gui::WindowInfo;
 using android::gui::WindowInfoHandle;
-using android::os::BlockUntrustedTouchesMode;
-using android::os::IInputConstants;
 using android::os::InputEventInjectionResult;
 using android::os::InputEventInjectionSync;
 
@@ -146,21 +148,23 @@ bool validateKeyEvent(int32_t action) {
 }
 
 bool isValidMotionAction(int32_t action, int32_t actionButton, int32_t pointerCount) {
-    switch (action & AMOTION_EVENT_ACTION_MASK) {
+    switch (MotionEvent::getActionMasked(action)) {
         case AMOTION_EVENT_ACTION_DOWN:
         case AMOTION_EVENT_ACTION_UP:
-        case AMOTION_EVENT_ACTION_CANCEL:
+            return pointerCount == 1;
         case AMOTION_EVENT_ACTION_MOVE:
-        case AMOTION_EVENT_ACTION_OUTSIDE:
         case AMOTION_EVENT_ACTION_HOVER_ENTER:
         case AMOTION_EVENT_ACTION_HOVER_MOVE:
         case AMOTION_EVENT_ACTION_HOVER_EXIT:
+            return pointerCount >= 1;
+        case AMOTION_EVENT_ACTION_CANCEL:
+        case AMOTION_EVENT_ACTION_OUTSIDE:
         case AMOTION_EVENT_ACTION_SCROLL:
             return true;
         case AMOTION_EVENT_ACTION_POINTER_DOWN:
         case AMOTION_EVENT_ACTION_POINTER_UP: {
-            int32_t index = getMotionEventActionPointerIndex(action);
-            return index >= 0 && index < pointerCount;
+            const int32_t index = MotionEvent::getActionIndex(action);
+            return index >= 0 && index < pointerCount && pointerCount > 1;
         }
         case AMOTION_EVENT_ACTION_BUTTON_PRESS:
         case AMOTION_EVENT_ACTION_BUTTON_RELEASE:
@@ -240,9 +244,9 @@ std::string dumpQueue(const std::deque<DispatchEntry*>& queue, nsecs_t currentTi
         }
         dump.append(INDENT4);
         dump += entry.eventEntry->getDescription();
-        dump += StringPrintf(", seq=%" PRIu32
-                             ", targetFlags=0x%08x, resolvedAction=%d, age=%" PRId64 "ms",
-                             entry.seq, entry.targetFlags, entry.resolvedAction,
+        dump += StringPrintf(", seq=%" PRIu32 ", targetFlags=%s, resolvedAction=%d, age=%" PRId64
+                             "ms",
+                             entry.seq, entry.targetFlags.string().c_str(), entry.resolvedAction,
                              ns2ms(currentTime - entry.eventEntry->eventTime));
         if (entry.deliveryTime != 0) {
             // This entry was delivered, so add information on how long we've been waiting
@@ -287,9 +291,9 @@ bool haveSameApplicationToken(const WindowInfo* first, const WindowInfo* second)
             first->applicationInfo.token == second->applicationInfo.token;
 }
 
-std::unique_ptr<DispatchEntry> createDispatchEntry(const InputTarget& inputTarget,
-                                                   std::shared_ptr<EventEntry> eventEntry,
-                                                   int32_t inputTargetFlags) {
+std::unique_ptr<DispatchEntry> createDispatchEntry(
+        const InputTarget& inputTarget, std::shared_ptr<EventEntry> eventEntry,
+        ftl::Flags<InputTarget::Flags> inputTargetFlags) {
     if (inputTarget.useDefaultPointerTransform()) {
         const ui::Transform& transform = inputTarget.getDefaultPointerTransform();
         return std::make_unique<DispatchEntry>(eventEntry, inputTargetFlags, transform,
@@ -478,15 +482,14 @@ bool windowAcceptsTouchAt(const WindowInfo& windowInfo, int32_t displayId, int32
 
 bool isPointerFromStylus(const MotionEntry& entry, int32_t pointerIndex) {
     return isFromSource(entry.source, AINPUT_SOURCE_STYLUS) &&
-            (entry.pointerProperties[pointerIndex].toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
-             entry.pointerProperties[pointerIndex].toolType == AMOTION_EVENT_TOOL_TYPE_ERASER);
+            isStylusToolType(entry.pointerProperties[pointerIndex].toolType);
 }
 
-// Determines if the given window can be targeted as InputTarget::FLAG_FOREGROUND.
+// Determines if the given window can be targeted as InputTarget::Flags::FOREGROUND.
 // Foreground events are only sent to "foreground targetable" windows, but not all gestures sent to
 // such window are necessarily targeted with the flag. For example, an event with ACTION_OUTSIDE can
 // be sent to such a window, but it is not a foreground event and doesn't use
-// InputTarget::FLAG_FOREGROUND.
+// InputTarget::Flags::FOREGROUND.
 bool canReceiveForegroundTouches(const WindowInfo& info) {
     // A non-touchable window can still receive touch events (e.g. in the case of
     // STYLUS_INTERCEPTOR), so prevent such windows from receiving foreground events for touches.
@@ -525,6 +528,32 @@ std::optional<std::string> verifyTargetedInjection(const sp<WindowInfoHandle>& w
     return {};
 }
 
+Point resolveTouchedPosition(const MotionEntry& entry) {
+    const bool isFromMouse = isFromSource(entry.source, AINPUT_SOURCE_MOUSE);
+    // Always dispatch mouse events to cursor position.
+    if (isFromMouse) {
+        return Point(static_cast<int32_t>(entry.xCursorPosition),
+                     static_cast<int32_t>(entry.yCursorPosition));
+    }
+
+    const int32_t pointerIndex = getMotionEventActionPointerIndex(entry.action);
+    return Point(static_cast<int32_t>(
+                         entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X)),
+                 static_cast<int32_t>(
+                         entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y)));
+}
+
+std::optional<nsecs_t> getDownTime(const EventEntry& eventEntry) {
+    if (eventEntry.type == EventEntry::Type::KEY) {
+        const KeyEntry& keyEntry = static_cast<const KeyEntry&>(eventEntry);
+        return keyEntry.downTime;
+    } else if (eventEntry.type == EventEntry::Type::MOTION) {
+        const MotionEntry& motionEntry = static_cast<const MotionEntry&>(eventEntry);
+        return motionEntry.downTime;
+    }
+    return std::nullopt;
+}
+
 } // namespace
 
 // --- InputDispatcher ---
@@ -539,30 +568,26 @@ InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& polic
         mLastDropReason(DropReason::NOT_DROPPED),
         mIdGenerator(IdGenerator::Source::INPUT_DISPATCHER),
         mAppSwitchSawKeyDown(false),
-        mAppSwitchDueTime(LONG_LONG_MAX),
+        mAppSwitchDueTime(LLONG_MAX),
         mNextUnblockedEvent(nullptr),
         mMonitorDispatchingTimeout(DEFAULT_INPUT_DISPATCHING_TIMEOUT),
         mDispatchEnabled(false),
         mDispatchFrozen(false),
         mInputFilterEnabled(false),
-        // mInTouchMode will be initialized by the WindowManager to the default device config.
-        // To avoid leaking stack in case that call never comes, and for tests,
-        // initialize it here anyways.
-        mInTouchMode(kDefaultInTouchMode),
         mMaximumObscuringOpacityForTouch(1.0f),
         mFocusedDisplayId(ADISPLAY_ID_DEFAULT),
         mWindowTokenWithPointerCapture(nullptr),
         mStaleEventTimeout(staleEventTimeout),
         mLatencyAggregator(),
         mLatencyTracker(&mLatencyAggregator) {
-    mLooper = new Looper(false);
+    mLooper = sp<Looper>::make(false);
     mReporter = createInputReporter();
 
-    mWindowInfoListener = new DispatcherWindowListener(*this);
+    mWindowInfoListener = sp<DispatcherWindowListener>::make(*this);
+#if defined(__ANDROID__)
     SurfaceComposerClient::getDefault()->addWindowInfosListener(mWindowInfoListener);
-
+#endif
     mKeyRepeatState.lastKeyEntry = nullptr;
-
     policy->getDispatcherConfiguration(&mConfig);
 }
 
@@ -600,7 +625,7 @@ status_t InputDispatcher::stop() {
 }
 
 void InputDispatcher::dispatchOnce() {
-    nsecs_t nextWakeupTime = LONG_LONG_MAX;
+    nsecs_t nextWakeupTime = LLONG_MAX;
     { // acquire lock
         std::scoped_lock _l(mLock);
         mDispatcherIsAlive.notify_all();
@@ -614,7 +639,7 @@ void InputDispatcher::dispatchOnce() {
         // Run all pending commands if there are any.
         // If any commands were run then force the next poll to wake up immediately.
         if (runCommandsLockedInterruptable()) {
-            nextWakeupTime = LONG_LONG_MIN;
+            nextWakeupTime = LLONG_MIN;
         }
 
         // If we are still waiting for ack on some events,
@@ -624,7 +649,7 @@ void InputDispatcher::dispatchOnce() {
 
         // We are about to enter an infinitely long sleep, because we have no commands or
         // pending or queued events
-        if (nextWakeupTime == LONG_LONG_MAX) {
+        if (nextWakeupTime == LLONG_MAX) {
             mDispatcherEnteredIdle.notify_all();
         }
     } // release lock
@@ -669,14 +694,14 @@ void InputDispatcher::processNoFocusedWindowAnrLocked() {
  */
 nsecs_t InputDispatcher::processAnrsLocked() {
     const nsecs_t currentTime = now();
-    nsecs_t nextAnrCheck = LONG_LONG_MAX;
+    nsecs_t nextAnrCheck = LLONG_MAX;
     // Check if we are waiting for a focused window to appear. Raise ANR if waited too long
     if (mNoFocusedWindowTimeoutTime.has_value() && mAwaitedFocusedApplication != nullptr) {
         if (currentTime >= *mNoFocusedWindowTimeoutTime) {
             processNoFocusedWindowAnrLocked();
             mAwaitedFocusedApplication.reset();
             mNoFocusedWindowTimeoutTime = std::nullopt;
-            return LONG_LONG_MIN;
+            return LLONG_MIN;
         } else {
             // Keep waiting. We will drop the event when mNoFocusedWindowTimeoutTime comes.
             nextAnrCheck = *mNoFocusedWindowTimeoutTime;
@@ -699,7 +724,7 @@ nsecs_t InputDispatcher::processAnrsLocked() {
     // Stop waking up for this unresponsive connection
     mAnrTracker.eraseToken(connection->inputChannel->getConnectionToken());
     onAnrLocked(connection);
-    return LONG_LONG_MIN;
+    return LLONG_MIN;
 }
 
 std::chrono::nanoseconds InputDispatcher::getDispatchingTimeoutLocked(
@@ -906,7 +931,7 @@ void InputDispatcher::dispatchOnceInnerLocked(nsecs_t* nextWakeupTime) {
         mLastDropReason = dropReason;
 
         releasePendingEventLocked();
-        *nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
+        *nextWakeupTime = LLONG_MIN; // force next poll to wake up immediately
     }
 }
 
@@ -927,13 +952,10 @@ bool InputDispatcher::shouldPruneInboundQueueLocked(const MotionEntry& motionEnt
     // If the application takes too long to catch up then we drop all events preceding
     // the touch into the other window.
     if (isPointerDownEvent && mAwaitedFocusedApplication != nullptr) {
-        int32_t displayId = motionEntry.displayId;
-        int32_t x = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-        int32_t y = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
-
+        const int32_t displayId = motionEntry.displayId;
+        const auto [x, y] = resolveTouchedPosition(motionEntry);
         const bool isStylus = isPointerFromStylus(motionEntry, 0 /*pointerIndex*/);
+
         sp<WindowInfoHandle> touchedWindowHandle =
                 findTouchedWindowAtLocked(displayId, x, y, nullptr, isStylus);
         if (touchedWindowHandle != nullptr &&
@@ -1012,8 +1034,8 @@ bool InputDispatcher::enqueueInboundEventLocked(std::unique_ptr<EventEntry> newE
                 KeyEntry& pendingKey = static_cast<KeyEntry&>(*mPendingEvent);
                 if (pendingKey.keyCode == keyEntry.keyCode &&
                     pendingKey.interceptKeyResult ==
-                            KeyEntry::INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER) {
-                    pendingKey.interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+                            KeyEntry::InterceptKeyResult::TRY_AGAIN_LATER) {
+                    pendingKey.interceptKeyResult = KeyEntry::InterceptKeyResult::UNKNOWN;
                     pendingKey.interceptKeyWakeupTime = 0;
                     needWake = true;
                 }
@@ -1062,7 +1084,7 @@ sp<WindowInfoHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayI
                                                                 int32_t y, TouchState* touchState,
                                                                 bool isStylus,
                                                                 bool addOutsideTargets,
-                                                                bool ignoreDragWindow) {
+                                                                bool ignoreDragWindow) const {
     if (addOutsideTargets && touchState == nullptr) {
         LOG_ALWAYS_FATAL("Must provide a valid touch state if adding outside targets");
     }
@@ -1080,7 +1102,7 @@ sp<WindowInfoHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayI
 
         if (addOutsideTargets &&
             info.inputConfig.test(WindowInfo::InputConfig::WATCH_OUTSIDE_TOUCH)) {
-            touchState->addOrUpdateWindow(windowHandle, InputTarget::FLAG_DISPATCH_AS_OUTSIDE,
+            touchState->addOrUpdateWindow(windowHandle, InputTarget::Flags::DISPATCH_AS_OUTSIDE,
                                           BitSet32(0));
         }
     }
@@ -1148,17 +1170,18 @@ void InputDispatcher::dropInboundEventLocked(const EventEntry& entry, DropReason
 
     switch (entry.type) {
         case EventEntry::Type::KEY: {
-            CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS, reason);
             synthesizeCancelationEventsForAllConnectionsLocked(options);
             break;
         }
         case EventEntry::Type::MOTION: {
             const MotionEntry& motionEntry = static_cast<const MotionEntry&>(entry);
             if (motionEntry.source & AINPUT_SOURCE_CLASS_POINTER) {
-                CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS, reason);
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS, reason);
                 synthesizeCancelationEventsForAllConnectionsLocked(options);
             } else {
-                CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
+                                           reason);
                 synthesizeCancelationEventsForAllConnectionsLocked(options);
             }
             break;
@@ -1192,11 +1215,11 @@ bool InputDispatcher::isAppSwitchKeyEvent(const KeyEntry& keyEntry) {
 }
 
 bool InputDispatcher::isAppSwitchPendingLocked() {
-    return mAppSwitchDueTime != LONG_LONG_MAX;
+    return mAppSwitchDueTime != LLONG_MAX;
 }
 
 void InputDispatcher::resetPendingAppSwitchLocked(bool handled) {
-    mAppSwitchDueTime = LONG_LONG_MAX;
+    mAppSwitchDueTime = LLONG_MAX;
 
     if (DEBUG_APP_SWITCH) {
         if (handled) {
@@ -1313,7 +1336,7 @@ bool InputDispatcher::dispatchDeviceResetLocked(nsecs_t currentTime,
         resetKeyRepeatLocked();
     }
 
-    CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS, "device was reset");
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS, "device was reset");
     options.deviceId = entry.deviceId;
     synthesizeCancelationEventsForAllConnectionsLocked(options);
     return true;
@@ -1351,7 +1374,7 @@ void InputDispatcher::dispatchFocusLocked(nsecs_t currentTime, std::shared_ptr<F
     }
     InputTarget target;
     target.inputChannel = channel;
-    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    target.flags = InputTarget::Flags::DISPATCH_AS_IS;
     entry->dispatchInProgress = true;
     std::string message = std::string("Focus ") + (entry->hasFocus ? "entering " : "leaving ") +
             channel->getName();
@@ -1425,7 +1448,7 @@ void InputDispatcher::dispatchPointerCaptureChangedLocked(
     }
     InputTarget target;
     target.inputChannel = channel;
-    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    target.flags = InputTarget::Flags::DISPATCH_AS_IS;
     entry->dispatchInProgress = true;
     dispatchEventLocked(currentTime, entry, {target});
 
@@ -1435,7 +1458,7 @@ void InputDispatcher::dispatchPointerCaptureChangedLocked(
 void InputDispatcher::dispatchTouchModeChangeLocked(nsecs_t currentTime,
                                                     const std::shared_ptr<TouchModeEntry>& entry) {
     const std::vector<sp<WindowInfoHandle>>& windowHandles =
-            getWindowHandlesLocked(mFocusedDisplayId);
+            getWindowHandlesLocked(entry->displayId);
     if (windowHandles.empty()) {
         return;
     }
@@ -1452,7 +1475,6 @@ std::vector<InputTarget> InputDispatcher::getInputTargetsFromWindowHandlesLocked
         const std::vector<sp<WindowInfoHandle>>& windowHandles) const {
     std::vector<InputTarget> inputTargets;
     for (const sp<WindowInfoHandle>& handle : windowHandles) {
-        // TODO(b/193718270): Due to performance concerns, consider notifying visible windows only.
         const sp<IBinder>& token = handle->getToken();
         if (token == nullptr) {
             continue;
@@ -1463,7 +1485,7 @@ std::vector<InputTarget> InputDispatcher::getInputTargetsFromWindowHandlesLocked
         }
         InputTarget target;
         target.inputChannel = channel;
-        target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+        target.flags = InputTarget::Flags::DISPATCH_AS_IS;
         inputTargets.push_back(target);
     }
     return inputTargets;
@@ -1490,7 +1512,7 @@ bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<Key
                 // stop the key repeat on current device.
                 entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
                 resetKeyRepeatLocked();
-                mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
+                mKeyRepeatState.nextRepeatTime = LLONG_MAX; // don't generate repeats ourselves
             } else {
                 // Not a repeat.  Save key down state in case we do see a repeat later.
                 resetKeyRepeatLocked();
@@ -1519,19 +1541,19 @@ bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<Key
     }
 
     // Handle case where the policy asked us to try again later last time.
-    if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER) {
+    if (entry->interceptKeyResult == KeyEntry::InterceptKeyResult::TRY_AGAIN_LATER) {
         if (currentTime < entry->interceptKeyWakeupTime) {
             if (entry->interceptKeyWakeupTime < *nextWakeupTime) {
                 *nextWakeupTime = entry->interceptKeyWakeupTime;
             }
             return false; // wait until next wakeup
         }
-        entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
+        entry->interceptKeyResult = KeyEntry::InterceptKeyResult::UNKNOWN;
         entry->interceptKeyWakeupTime = 0;
     }
 
     // Give the policy a chance to intercept the key.
-    if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
+    if (entry->interceptKeyResult == KeyEntry::InterceptKeyResult::UNKNOWN) {
         if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
             sp<IBinder> focusedWindowToken =
                     mFocusResolver.getFocusedWindowToken(getTargetDisplayId(*entry));
@@ -1542,9 +1564,9 @@ bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<Key
             postCommandLocked(std::move(command));
             return false; // wait for the command to run
         } else {
-            entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+            entry->interceptKeyResult = KeyEntry::InterceptKeyResult::CONTINUE;
         }
-    } else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
+    } else if (entry->interceptKeyResult == KeyEntry::InterceptKeyResult::SKIP) {
         if (*dropReason == DropReason::NOT_DROPPED) {
             *dropReason = DropReason::POLICY;
         }
@@ -1560,9 +1582,10 @@ bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<Key
     }
 
     // Identify targets.
-    std::vector<InputTarget> inputTargets;
-    InputEventInjectionResult injectionResult =
-            findFocusedWindowTargetsLocked(currentTime, *entry, inputTargets, nextWakeupTime);
+    InputEventInjectionResult injectionResult;
+    sp<WindowInfoHandle> focusedWindow =
+            findFocusedWindowTargetLocked(currentTime, *entry, nextWakeupTime,
+                                          /*byref*/ injectionResult);
     if (injectionResult == InputEventInjectionResult::PENDING) {
         return false;
     }
@@ -1571,6 +1594,12 @@ bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<Key
     if (injectionResult != InputEventInjectionResult::SUCCEEDED) {
         return true;
     }
+    LOG_ALWAYS_FATAL_IF(focusedWindow == nullptr);
+
+    std::vector<InputTarget> inputTargets;
+    addWindowTargetLocked(focusedWindow,
+                          InputTarget::Flags::FOREGROUND | InputTarget::Flags::DISPATCH_AS_IS,
+                          BitSet32(0), getDownTime(*entry), inputTargets);
 
     // Add monitor channels from event's or focused display.
     addGlobalMonitoringTargetsLocked(inputTargets, getTargetDisplayId(*entry));
@@ -1658,13 +1687,34 @@ bool InputDispatcher::dispatchMotionLocked(nsecs_t currentTime, std::shared_ptr<
     InputEventInjectionResult injectionResult;
     if (isPointerEvent) {
         // Pointer event.  (eg. touchscreen)
-        injectionResult =
-                findTouchedWindowTargetsLocked(currentTime, *entry, inputTargets, nextWakeupTime,
-                                               &conflictingPointerActions);
+
+        if (mDragState &&
+            (entry->action & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_POINTER_DOWN) {
+            // If drag and drop ongoing and pointer down occur: pilfer drag window pointers
+            pilferPointersLocked(mDragState->dragWindow->getToken());
+        }
+
+        std::vector<TouchedWindow> touchedWindows =
+                findTouchedWindowTargetsLocked(currentTime, *entry, &conflictingPointerActions,
+                                               /*byref*/ injectionResult);
+        for (const TouchedWindow& touchedWindow : touchedWindows) {
+            LOG_ALWAYS_FATAL_IF(injectionResult != InputEventInjectionResult::SUCCEEDED,
+                                "Shouldn't be adding window if the injection didn't succeed.");
+            addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
+                                  touchedWindow.pointerIds, touchedWindow.firstDownTimeInTarget,
+                                  inputTargets);
+        }
     } else {
         // Non touch event.  (eg. trackball)
-        injectionResult =
-                findFocusedWindowTargetsLocked(currentTime, *entry, inputTargets, nextWakeupTime);
+        sp<WindowInfoHandle> focusedWindow =
+                findFocusedWindowTargetLocked(currentTime, *entry, nextWakeupTime, injectionResult);
+        if (injectionResult == InputEventInjectionResult::SUCCEEDED) {
+            LOG_ALWAYS_FATAL_IF(focusedWindow == nullptr);
+            addWindowTargetLocked(focusedWindow,
+                                  InputTarget::Flags::FOREGROUND |
+                                          InputTarget::Flags::DISPATCH_AS_IS,
+                                  BitSet32(0), getDownTime(*entry), inputTargets);
+        }
     }
     if (injectionResult == InputEventInjectionResult::PENDING) {
         return false;
@@ -1675,9 +1725,9 @@ bool InputDispatcher::dispatchMotionLocked(nsecs_t currentTime, std::shared_ptr<
         return true;
     }
     if (injectionResult != InputEventInjectionResult::SUCCEEDED) {
-        CancelationOptions::Mode mode(isPointerEvent
-                                              ? CancelationOptions::CANCEL_POINTER_EVENTS
-                                              : CancelationOptions::CANCEL_NON_POINTER_EVENTS);
+        CancelationOptions::Mode mode(
+                isPointerEvent ? CancelationOptions::Mode::CANCEL_POINTER_EVENTS
+                               : CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS);
         CancelationOptions options(mode, "input event injection failed");
         synthesizeCancelationEventsForMonitorsLocked(options);
         return true;
@@ -1688,7 +1738,7 @@ bool InputDispatcher::dispatchMotionLocked(nsecs_t currentTime, std::shared_ptr<
 
     // Dispatch the motion.
     if (conflictingPointerActions) {
-        CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                    "conflicting pointer actions");
         synthesizeCancelationEventsForAllConnectionsLocked(options);
     }
@@ -1714,22 +1764,23 @@ void InputDispatcher::dispatchDragLocked(nsecs_t currentTime, std::shared_ptr<Dr
     }
     InputTarget target;
     target.inputChannel = channel;
-    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    target.flags = InputTarget::Flags::DISPATCH_AS_IS;
     entry->dispatchInProgress = true;
     dispatchEventLocked(currentTime, entry, {target});
 }
 
 void InputDispatcher::logOutboundMotionDetails(const char* prefix, const MotionEntry& entry) {
     if (DEBUG_OUTBOUND_EVENT_DETAILS) {
-        ALOGD("%seventTime=%" PRId64 ", deviceId=%d, source=0x%x, displayId=%" PRId32
+        ALOGD("%seventTime=%" PRId64 ", deviceId=%d, source=%s, displayId=%" PRId32
               ", policyFlags=0x%x, "
               "action=%s, actionButton=0x%x, flags=0x%x, "
               "metaState=0x%x, buttonState=0x%x,"
               "edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%" PRId64,
-              prefix, entry.eventTime, entry.deviceId, entry.source, entry.displayId,
-              entry.policyFlags, MotionEvent::actionToString(entry.action).c_str(),
-              entry.actionButton, entry.flags, entry.metaState, entry.buttonState, entry.edgeFlags,
-              entry.xPrecision, entry.yPrecision, entry.downTime);
+              prefix, entry.eventTime, entry.deviceId,
+              inputEventSourceToString(entry.source).c_str(), entry.displayId, entry.policyFlags,
+              MotionEvent::actionToString(entry.action).c_str(), entry.actionButton, entry.flags,
+              entry.metaState, entry.buttonState, entry.edgeFlags, entry.xPrecision,
+              entry.yPrecision, entry.downTime);
 
         for (uint32_t i = 0; i < entry.pointerCount; i++) {
             ALOGD("  Pointer %d: id=%d, toolType=%d, "
@@ -1788,7 +1839,7 @@ void InputDispatcher::cancelEventsForAnrLocked(const sp<Connection>& connection)
     ALOGW("Canceling events for %s because it is unresponsive",
           connection->inputChannel->getName().c_str());
     if (connection->status == Connection::Status::NORMAL) {
-        CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS,
                                    "application not responding");
         synthesizeCancelationEventsForConnectionLocked(connection, options);
     }
@@ -1866,10 +1917,11 @@ bool InputDispatcher::shouldWaitToSendKeyLocked(nsecs_t currentTime,
     return false;
 }
 
-InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
-        nsecs_t currentTime, const EventEntry& entry, std::vector<InputTarget>& inputTargets,
-        nsecs_t* nextWakeupTime) {
+sp<WindowInfoHandle> InputDispatcher::findFocusedWindowTargetLocked(
+        nsecs_t currentTime, const EventEntry& entry, nsecs_t* nextWakeupTime,
+        InputEventInjectionResult& outInjectionResult) {
     std::string reason;
+    outInjectionResult = InputEventInjectionResult::FAILED; // Default result
 
     int32_t displayId = getTargetDisplayId(entry);
     sp<WindowInfoHandle> focusedWindowHandle = getFocusedWindowHandleLocked(displayId);
@@ -1882,12 +1934,12 @@ InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
         ALOGI("Dropping %s event because there is no focused window or focused application in "
               "display %" PRId32 ".",
               ftl::enum_string(entry.type).c_str(), displayId);
-        return InputEventInjectionResult::FAILED;
+        return nullptr;
     }
 
     // Drop key events if requested by input feature
     if (focusedWindowHandle != nullptr && shouldDropInput(entry, focusedWindowHandle)) {
-        return InputEventInjectionResult::FAILED;
+        return nullptr;
     }
 
     // Compatibility behavior: raise ANR if there is a focused application, but no focused window.
@@ -1907,15 +1959,17 @@ InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
                   "window when it finishes starting up. Will wait for %" PRId64 "ms",
                   mAwaitedFocusedApplication->getName().c_str(), millis(timeout));
             *nextWakeupTime = *mNoFocusedWindowTimeoutTime;
-            return InputEventInjectionResult::PENDING;
+            outInjectionResult = InputEventInjectionResult::PENDING;
+            return nullptr;
         } else if (currentTime > *mNoFocusedWindowTimeoutTime) {
             // Already raised ANR. Drop the event
             ALOGE("Dropping %s event because there is no focused window",
                   ftl::enum_string(entry.type).c_str());
-            return InputEventInjectionResult::FAILED;
+            return nullptr;
         } else {
             // Still waiting for the focused window
-            return InputEventInjectionResult::PENDING;
+            outInjectionResult = InputEventInjectionResult::PENDING;
+            return nullptr;
         }
     }
 
@@ -1925,13 +1979,15 @@ InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
     // Verify targeted injection.
     if (const auto err = verifyTargetedInjection(focusedWindowHandle, entry); err) {
         ALOGW("Dropping injected event: %s", (*err).c_str());
-        return InputEventInjectionResult::TARGET_MISMATCH;
+        outInjectionResult = InputEventInjectionResult::TARGET_MISMATCH;
+        return nullptr;
     }
 
     if (focusedWindowHandle->getInfo()->inputConfig.test(
                 WindowInfo::InputConfig::PAUSE_DISPATCHING)) {
         ALOGI("Waiting because %s is paused", focusedWindowHandle->getName().c_str());
-        return InputEventInjectionResult::PENDING;
+        outInjectionResult = InputEventInjectionResult::PENDING;
+        return nullptr;
     }
 
     // If the event is a key event, then we must wait for all previous events to
@@ -1948,17 +2004,13 @@ InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
     if (entry.type == EventEntry::Type::KEY) {
         if (shouldWaitToSendKeyLocked(currentTime, focusedWindowHandle->getName().c_str())) {
             *nextWakeupTime = *mKeyIsWaitingForEventsTimeout;
-            return InputEventInjectionResult::PENDING;
+            outInjectionResult = InputEventInjectionResult::PENDING;
+            return nullptr;
         }
     }
 
-    // Success!  Output targets.
-    addWindowTargetLocked(focusedWindowHandle,
-                          InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_DISPATCH_AS_IS,
-                          BitSet32(0), inputTargets);
-
-    // Done.
-    return InputEventInjectionResult::SUCCEEDED;
+    outInjectionResult = InputEventInjectionResult::SUCCEEDED;
+    return focusedWindowHandle;
 }
 
 /**
@@ -1987,11 +2039,42 @@ std::vector<Monitor> InputDispatcher::selectResponsiveMonitorsLocked(
     return responsiveMonitors;
 }
 
-InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
-        nsecs_t currentTime, const MotionEntry& entry, std::vector<InputTarget>& inputTargets,
-        nsecs_t* nextWakeupTime, bool* outConflictingPointerActions) {
+/**
+ * In general, touch should be always split between windows. Some exceptions:
+ * 1. Don't split touch is if we have an active pointer down, and a new pointer is going down that's
+ * from the same device, *and* the window that's receiving the current pointer does not support
+ * split touch.
+ * 2. Don't split mouse events
+ */
+bool InputDispatcher::shouldSplitTouch(const TouchState& touchState,
+                                       const MotionEntry& entry) const {
+    if (isFromSource(entry.source, AINPUT_SOURCE_MOUSE)) {
+        // We should never split mouse events
+        return false;
+    }
+    for (const TouchedWindow& touchedWindow : touchState.windows) {
+        if (touchedWindow.windowHandle->getInfo()->isSpy()) {
+            // Spy windows should not affect whether or not touch is split.
+            continue;
+        }
+        if (touchedWindow.windowHandle->getInfo()->supportsSplitTouch()) {
+            continue;
+        }
+        // Eventually, touchedWindow will contain the deviceId of each pointer that's currently
+        // being sent there. For now, use deviceId from touch state.
+        if (entry.deviceId == touchState.deviceId && !touchedWindow.pointerIds.isEmpty()) {
+            return false;
+        }
+    }
+    return true;
+}
+
+std::vector<TouchedWindow> InputDispatcher::findTouchedWindowTargetsLocked(
+        nsecs_t currentTime, const MotionEntry& entry, bool* outConflictingPointerActions,
+        InputEventInjectionResult& outInjectionResult) {
     ATRACE_CALL();
 
+    std::vector<TouchedWindow> touchedWindows;
     // For security reasons, we defer updating the touch state until we are sure that
     // event injection will be allowed.
     const int32_t displayId = entry.displayId;
@@ -1999,7 +2082,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
     const int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
 
     // Update the touch state as needed based on the properties of the touch event.
-    InputEventInjectionResult injectionResult = InputEventInjectionResult::PENDING;
+    outInjectionResult = InputEventInjectionResult::PENDING;
     sp<WindowInfoHandle> newHoverWindowHandle(mLastHoverWindowHandle);
     sp<WindowInfoHandle> newTouchedWindowHandle;
 
@@ -2013,10 +2096,9 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
         tempTouchState = *oldState;
     }
 
-    bool isSplit = tempTouchState.split;
-    bool switchedDevice = tempTouchState.deviceId >= 0 && tempTouchState.displayId >= 0 &&
-            (tempTouchState.deviceId != entry.deviceId || tempTouchState.source != entry.source ||
-             tempTouchState.displayId != displayId);
+    bool isSplit = shouldSplitTouch(tempTouchState, entry);
+    const bool switchedDevice = (oldState != nullptr) &&
+            (oldState->deviceId != entry.deviceId || oldState->source != entry.source);
 
     const bool isHoverAction = (maskedAction == AMOTION_EVENT_ACTION_HOVER_MOVE ||
                                 maskedAction == AMOTION_EVENT_ACTION_HOVER_ENTER ||
@@ -2024,50 +2106,34 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
     const bool newGesture = (maskedAction == AMOTION_EVENT_ACTION_DOWN ||
                              maskedAction == AMOTION_EVENT_ACTION_SCROLL || isHoverAction);
     const bool isFromMouse = isFromSource(entry.source, AINPUT_SOURCE_MOUSE);
-    bool wrongDevice = false;
+
     if (newGesture) {
         bool down = maskedAction == AMOTION_EVENT_ACTION_DOWN;
-        if (switchedDevice && tempTouchState.down && !down && !isHoverAction) {
+        if (switchedDevice && tempTouchState.isDown() && !down && !isHoverAction) {
             ALOGI("Dropping event because a pointer for a different device is already down "
                   "in display %" PRId32,
                   displayId);
             // TODO: test multiple simultaneous input streams.
-            injectionResult = InputEventInjectionResult::FAILED;
-            switchedDevice = false;
-            wrongDevice = true;
-            goto Failed;
+            outInjectionResult = InputEventInjectionResult::FAILED;
+            return touchedWindows; // wrong device
         }
         tempTouchState.reset();
-        tempTouchState.down = down;
         tempTouchState.deviceId = entry.deviceId;
         tempTouchState.source = entry.source;
-        tempTouchState.displayId = displayId;
         isSplit = false;
     } else if (switchedDevice && maskedAction == AMOTION_EVENT_ACTION_MOVE) {
         ALOGI("Dropping move event because a pointer for a different device is already active "
               "in display %" PRId32,
               displayId);
         // TODO: test multiple simultaneous input streams.
-        injectionResult = InputEventInjectionResult::FAILED;
-        switchedDevice = false;
-        wrongDevice = true;
-        goto Failed;
+        outInjectionResult = InputEventInjectionResult::FAILED;
+        return touchedWindows; // wrong device
     }
 
     if (newGesture || (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
         /* Case 1: New splittable pointer going down, or need target for hover or scroll. */
-
-        int32_t x;
-        int32_t y;
+        const auto [x, y] = resolveTouchedPosition(entry);
         const int32_t pointerIndex = getMotionEventActionPointerIndex(action);
-        // Always dispatch mouse events to cursor position.
-        if (isFromMouse) {
-            x = int32_t(entry.xCursorPosition);
-            y = int32_t(entry.yCursorPosition);
-        } else {
-            x = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X));
-            y = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y));
-        }
         const bool isDown = maskedAction == AMOTION_EVENT_ACTION_DOWN;
         const bool isStylus = isPointerFromStylus(entry, pointerIndex);
         newTouchedWindowHandle = findTouchedWindowAtLocked(displayId, x, y, &tempTouchState,
@@ -2084,7 +2150,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
         // Verify targeted injection.
         if (const auto err = verifyTargetedInjection(newTouchedWindowHandle, entry); err) {
             ALOGW("Dropping injected touch event: %s", (*err).c_str());
-            injectionResult = os::InputEventInjectionResult::TARGET_MISMATCH;
+            outInjectionResult = os::InputEventInjectionResult::TARGET_MISMATCH;
             newTouchedWindowHandle = nullptr;
             goto Failed;
         }
@@ -2103,7 +2169,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
             // No window is touched, so set split to true. This will allow the next pointer down to
             // be delivered to a new window which supports split touch. Pointers from a mouse device
             // should never be split.
-            tempTouchState.split = isSplit = !isFromMouse;
+            isSplit = !isFromMouse;
         }
 
         // Update hover state.
@@ -2125,91 +2191,58 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
         if (newTouchedWindows.empty()) {
             ALOGI("Dropping event because there is no touchable window at (%d, %d) on display %d.",
                   x, y, displayId);
-            injectionResult = InputEventInjectionResult::FAILED;
+            outInjectionResult = InputEventInjectionResult::FAILED;
             goto Failed;
         }
 
         for (const sp<WindowInfoHandle>& windowHandle : newTouchedWindows) {
-            const WindowInfo& info = *windowHandle->getInfo();
-
-            // Skip spy window targets that are not valid for targeted injection.
-            if (const auto err = verifyTargetedInjection(windowHandle, entry); err) {
-                continue;
-            }
-
-            if (info.inputConfig.test(WindowInfo::InputConfig::PAUSE_DISPATCHING)) {
-                ALOGI("Not sending touch event to %s because it is paused",
-                      windowHandle->getName().c_str());
-                continue;
-            }
-
-            // Ensure the window has a connection and the connection is responsive
-            const bool isResponsive = hasResponsiveConnectionLocked(*windowHandle);
-            if (!isResponsive) {
-                ALOGW("Not sending touch gesture to %s because it is not responsive",
-                      windowHandle->getName().c_str());
-                continue;
-            }
-
-            // Drop events that can't be trusted due to occlusion
-            if (mBlockUntrustedTouchesMode != BlockUntrustedTouchesMode::DISABLED) {
-                TouchOcclusionInfo occlusionInfo =
-                        computeTouchOcclusionInfoLocked(windowHandle, x, y);
-                if (!isTouchTrustedLocked(occlusionInfo)) {
-                    if (DEBUG_TOUCH_OCCLUSION) {
-                        ALOGD("Stack of obscuring windows during untrusted touch (%d, %d):", x, y);
-                        for (const auto& log : occlusionInfo.debugInfo) {
-                            ALOGD("%s", log.c_str());
-                        }
-                    }
-                    sendUntrustedTouchCommandLocked(occlusionInfo.obscuringPackage);
-                    if (mBlockUntrustedTouchesMode == BlockUntrustedTouchesMode::BLOCK) {
-                        ALOGW("Dropping untrusted touch event due to %s/%d",
-                              occlusionInfo.obscuringPackage.c_str(), occlusionInfo.obscuringUid);
-                        continue;
-                    }
-                }
-            }
-
-            // Drop touch events if requested by input feature
-            if (shouldDropInput(entry, windowHandle)) {
+            if (!canWindowReceiveMotionLocked(windowHandle, entry)) {
                 continue;
             }
 
             // Set target flags.
-            int32_t targetFlags = InputTarget::FLAG_DISPATCH_AS_IS;
+            ftl::Flags<InputTarget::Flags> targetFlags = InputTarget::Flags::DISPATCH_AS_IS;
 
             if (canReceiveForegroundTouches(*windowHandle->getInfo())) {
                 // There should only be one touched window that can be "foreground" for the pointer.
-                targetFlags |= InputTarget::FLAG_FOREGROUND;
+                targetFlags |= InputTarget::Flags::FOREGROUND;
             }
 
             if (isSplit) {
-                targetFlags |= InputTarget::FLAG_SPLIT;
+                targetFlags |= InputTarget::Flags::SPLIT;
             }
             if (isWindowObscuredAtPointLocked(windowHandle, x, y)) {
-                targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+                targetFlags |= InputTarget::Flags::WINDOW_IS_OBSCURED;
             } else if (isWindowObscuredLocked(windowHandle)) {
-                targetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
+                targetFlags |= InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED;
             }
 
             // Update the temporary touch state.
             BitSet32 pointerIds;
             pointerIds.markBit(entry.pointerProperties[pointerIndex].id);
 
-            tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds);
+            tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds,
+                                             entry.eventTime);
         }
+
+        // If any existing window is pilfering pointers from newly added window, remove it
+        BitSet32 canceledPointers = BitSet32(0);
+        for (const TouchedWindow& window : tempTouchState.windows) {
+            if (window.isPilferingPointers) {
+                canceledPointers |= window.pointerIds;
+            }
+        }
+        tempTouchState.cancelPointersForNonPilferingWindows(canceledPointers);
     } else {
         /* Case 2: Pointer move, up, cancel or non-splittable pointer down. */
 
         // If the pointer is not currently down, then ignore the event.
-        if (!tempTouchState.down) {
-            if (DEBUG_FOCUS) {
-                ALOGD("Dropping event because the pointer is not down or we previously "
-                      "dropped the pointer down event in display %" PRId32,
-                      displayId);
-            }
-            injectionResult = InputEventInjectionResult::FAILED;
+        if (!tempTouchState.isDown()) {
+            ALOGD_IF(DEBUG_FOCUS,
+                     "Dropping event because the pointer is not down or we previously "
+                     "dropped the pointer down event in display %" PRId32 ": %s",
+                     displayId, entry.getDescription().c_str());
+            outInjectionResult = InputEventInjectionResult::FAILED;
             goto Failed;
         }
 
@@ -2218,9 +2251,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
         // Check whether touches should slip outside of the current foreground window.
         if (maskedAction == AMOTION_EVENT_ACTION_MOVE && entry.pointerCount == 1 &&
             tempTouchState.isSlippery()) {
-            const int32_t x = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-            const int32_t y = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
-
+            const auto [x, y] = resolveTouchedPosition(entry);
             const bool isStylus = isPointerFromStylus(entry, 0 /*pointerIndex*/);
             sp<WindowInfoHandle> oldTouchedWindowHandle =
                     tempTouchState.getFirstForegroundWindowHandle();
@@ -2230,7 +2261,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
             // Verify targeted injection.
             if (const auto err = verifyTargetedInjection(newTouchedWindowHandle, entry); err) {
                 ALOGW("Dropping injected event: %s", (*err).c_str());
-                injectionResult = os::InputEventInjectionResult::TARGET_MISMATCH;
+                outInjectionResult = os::InputEventInjectionResult::TARGET_MISMATCH;
                 newTouchedWindowHandle = nullptr;
                 goto Failed;
             }
@@ -2250,7 +2281,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                 }
                 // Make a slippery exit from the old window.
                 tempTouchState.addOrUpdateWindow(oldTouchedWindowHandle,
-                                                 InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT,
+                                                 InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT,
                                                  BitSet32(0));
 
                 // Make a slippery entrance into the new window.
@@ -2258,22 +2289,24 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                     isSplit = !isFromMouse;
                 }
 
-                int32_t targetFlags = InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER;
+                ftl::Flags<InputTarget::Flags> targetFlags =
+                        InputTarget::Flags::DISPATCH_AS_SLIPPERY_ENTER;
                 if (canReceiveForegroundTouches(*newTouchedWindowHandle->getInfo())) {
-                    targetFlags |= InputTarget::FLAG_FOREGROUND;
+                    targetFlags |= InputTarget::Flags::FOREGROUND;
                 }
                 if (isSplit) {
-                    targetFlags |= InputTarget::FLAG_SPLIT;
+                    targetFlags |= InputTarget::Flags::SPLIT;
                 }
                 if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
-                    targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+                    targetFlags |= InputTarget::Flags::WINDOW_IS_OBSCURED;
                 } else if (isWindowObscuredLocked(newTouchedWindowHandle)) {
-                    targetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
+                    targetFlags |= InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED;
                 }
 
                 BitSet32 pointerIds;
                 pointerIds.markBit(entry.pointerProperties[0].id);
-                tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds);
+                tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds,
+                                                 entry.eventTime);
             }
         }
 
@@ -2304,7 +2337,8 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                       mLastHoverWindowHandle->getName().c_str());
             }
             tempTouchState.addOrUpdateWindow(mLastHoverWindowHandle,
-                                             InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT, BitSet32(0));
+                                             InputTarget::Flags::DISPATCH_AS_HOVER_EXIT,
+                                             BitSet32(0));
         }
 
         // Let the new window know that the hover sequence is starting, unless we already did it
@@ -2317,7 +2351,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                       newHoverWindowHandle->getName().c_str());
             }
             tempTouchState.addOrUpdateWindow(newHoverWindowHandle,
-                                             InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER,
+                                             InputTarget::Flags::DISPATCH_AS_HOVER_ENTER,
                                              BitSet32(0));
         }
     }
@@ -2330,11 +2364,11 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                      [](const TouchedWindow& touchedWindow) {
                          return !canReceiveForegroundTouches(
                                         *touchedWindow.windowHandle->getInfo()) ||
-                                 (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) != 0;
+                                 touchedWindow.targetFlags.test(InputTarget::Flags::FOREGROUND);
                      })) {
         ALOGI("Dropping event because there is no touched window on display %d to receive it: %s",
               displayId, entry.getDescription().c_str());
-        injectionResult = InputEventInjectionResult::FAILED;
+        outInjectionResult = InputEventInjectionResult::FAILED;
         goto Failed;
     }
 
@@ -2342,7 +2376,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
     if (entry.injectionState != nullptr) {
         std::string errs;
         for (const TouchedWindow& touchedWindow : tempTouchState.windows) {
-            if (touchedWindow.targetFlags & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+            if (touchedWindow.targetFlags.test(InputTarget::Flags::DISPATCH_AS_OUTSIDE)) {
                 // Allow ACTION_OUTSIDE events generated by targeted injection to be
                 // dispatched to any uid, since the coords will be zeroed out later.
                 continue;
@@ -2354,7 +2388,7 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
             ALOGW("Dropping targeted injection: At least one touched window is not owned by uid "
                   "%d:%s",
                   *entry.injectionState->targetUid, errs.c_str());
-            injectionResult = InputEventInjectionResult::TARGET_MISMATCH;
+            outInjectionResult = InputEventInjectionResult::TARGET_MISMATCH;
             goto Failed;
         }
     }
@@ -2367,11 +2401,11 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
         if (foregroundWindowHandle) {
             const int32_t foregroundWindowUid = foregroundWindowHandle->getInfo()->ownerUid;
             for (const TouchedWindow& touchedWindow : tempTouchState.windows) {
-                if (touchedWindow.targetFlags & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+                if (touchedWindow.targetFlags.test(InputTarget::Flags::DISPATCH_AS_OUTSIDE)) {
                     sp<WindowInfoHandle> windowInfoHandle = touchedWindow.windowHandle;
                     if (windowInfoHandle->getInfo()->ownerUid != foregroundWindowUid) {
                         tempTouchState.addOrUpdateWindow(windowInfoHandle,
-                                                         InputTarget::FLAG_ZERO_COORDS,
+                                                         InputTarget::Flags::ZERO_COORDS,
                                                          BitSet32(0));
                     }
                 }
@@ -2400,25 +2434,20 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
                             WindowInfo::InputConfig::IS_WALLPAPER)) {
                     BitSet32 pointerIds;
                     pointerIds.markBit(entry.pointerProperties[0].id);
-                    tempTouchState
-                            .addOrUpdateWindow(windowHandle,
-                                               InputTarget::FLAG_WINDOW_IS_OBSCURED |
-                                                       InputTarget::
-                                                               FLAG_WINDOW_IS_PARTIALLY_OBSCURED |
-                                                       InputTarget::FLAG_DISPATCH_AS_IS,
-                                               pointerIds);
+                    tempTouchState.addOrUpdateWindow(windowHandle,
+                                                     InputTarget::Flags::WINDOW_IS_OBSCURED |
+                                                             InputTarget::Flags::
+                                                                     WINDOW_IS_PARTIALLY_OBSCURED |
+                                                             InputTarget::Flags::DISPATCH_AS_IS,
+                                                     pointerIds, entry.eventTime);
                 }
             }
         }
     }
 
     // Success!  Output targets.
-    injectionResult = InputEventInjectionResult::SUCCEEDED;
-
-    for (const TouchedWindow& touchedWindow : tempTouchState.windows) {
-        addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
-                              touchedWindow.pointerIds, inputTargets);
-    }
+    touchedWindows = tempTouchState.windows;
+    outInjectionResult = InputEventInjectionResult::SUCCEEDED;
 
     // Drop the outside or hover touch windows since we will not care about them
     // in the next iteration.
@@ -2426,73 +2455,70 @@ InputEventInjectionResult InputDispatcher::findTouchedWindowTargetsLocked(
 
 Failed:
     // Update final pieces of touch state if the injector had permission.
-    if (!wrongDevice) {
-        if (switchedDevice) {
-            if (DEBUG_FOCUS) {
-                ALOGD("Conflicting pointer actions: Switched to a different device.");
-            }
-            *outConflictingPointerActions = true;
+    if (switchedDevice) {
+        if (DEBUG_FOCUS) {
+            ALOGD("Conflicting pointer actions: Switched to a different device.");
         }
+        *outConflictingPointerActions = true;
+    }
 
-        if (isHoverAction) {
-            // Started hovering, therefore no longer down.
-            if (oldState && oldState->down) {
-                if (DEBUG_FOCUS) {
-                    ALOGD("Conflicting pointer actions: Hover received while pointer was "
-                          "down.");
-                }
-                *outConflictingPointerActions = true;
-            }
-            tempTouchState.reset();
-            if (maskedAction == AMOTION_EVENT_ACTION_HOVER_ENTER ||
-                maskedAction == AMOTION_EVENT_ACTION_HOVER_MOVE) {
-                tempTouchState.deviceId = entry.deviceId;
-                tempTouchState.source = entry.source;
-                tempTouchState.displayId = displayId;
-            }
-        } else if (maskedAction == AMOTION_EVENT_ACTION_UP ||
-                   maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
-            // All pointers up or canceled.
-            tempTouchState.reset();
-        } else if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
-            // First pointer went down.
-            if (oldState && oldState->down) {
-                if (DEBUG_FOCUS) {
-                    ALOGD("Conflicting pointer actions: Down received while already down.");
-                }
-                *outConflictingPointerActions = true;
-            }
-        } else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
-            // One pointer went up.
-            int32_t pointerIndex = getMotionEventActionPointerIndex(action);
-            uint32_t pointerId = entry.pointerProperties[pointerIndex].id;
+    if (isHoverAction) {
+        // Started hovering, therefore no longer down.
+        if (oldState && oldState->isDown()) {
+            ALOGD_IF(DEBUG_FOCUS,
+                     "Conflicting pointer actions: Hover received while pointer was down.");
+            *outConflictingPointerActions = true;
+        }
+        tempTouchState.reset();
+        if (maskedAction == AMOTION_EVENT_ACTION_HOVER_ENTER ||
+            maskedAction == AMOTION_EVENT_ACTION_HOVER_MOVE) {
+            tempTouchState.deviceId = entry.deviceId;
+            tempTouchState.source = entry.source;
+        }
+    } else if (maskedAction == AMOTION_EVENT_ACTION_UP ||
+               maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
+        // All pointers up or canceled.
+        tempTouchState.reset();
+    } else if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
+        // First pointer went down.
+        if (oldState && oldState->isDown()) {
+            ALOGD("Conflicting pointer actions: Down received while already down.");
+            *outConflictingPointerActions = true;
+        }
+    } else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
+        // One pointer went up.
+        int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+        uint32_t pointerId = entry.pointerProperties[pointerIndex].id;
 
-            for (size_t i = 0; i < tempTouchState.windows.size();) {
-                TouchedWindow& touchedWindow = tempTouchState.windows[i];
-                touchedWindow.pointerIds.clearBit(pointerId);
-                if (touchedWindow.pointerIds.isEmpty()) {
-                    tempTouchState.windows.erase(tempTouchState.windows.begin() + i);
-                    continue;
-                }
-                i += 1;
+        for (size_t i = 0; i < tempTouchState.windows.size();) {
+            TouchedWindow& touchedWindow = tempTouchState.windows[i];
+            touchedWindow.pointerIds.clearBit(pointerId);
+            if (touchedWindow.pointerIds.isEmpty()) {
+                tempTouchState.windows.erase(tempTouchState.windows.begin() + i);
+                continue;
             }
+            i += 1;
         }
+    }
 
-        // Save changes unless the action was scroll in which case the temporary touch
-        // state was only valid for this one action.
-        if (maskedAction != AMOTION_EVENT_ACTION_SCROLL) {
-            if (tempTouchState.displayId >= 0) {
-                mTouchStatesByDisplay[displayId] = tempTouchState;
-            } else {
-                mTouchStatesByDisplay.erase(displayId);
-            }
+    // Save changes unless the action was scroll in which case the temporary touch
+    // state was only valid for this one action.
+    if (maskedAction != AMOTION_EVENT_ACTION_SCROLL) {
+        if (displayId >= 0) {
+            mTouchStatesByDisplay[displayId] = tempTouchState;
+        } else {
+            mTouchStatesByDisplay.erase(displayId);
         }
+    }
 
-        // Update hover state.
-        mLastHoverWindowHandle = newHoverWindowHandle;
+    if (tempTouchState.windows.empty()) {
+        mTouchStatesByDisplay.erase(displayId);
     }
 
-    return injectionResult;
+    // Update hover state.
+    mLastHoverWindowHandle = newHoverWindowHandle;
+
+    return touchedWindows;
 }
 
 void InputDispatcher::finishDragAndDrop(int32_t displayId, float x, float y) {
@@ -2597,8 +2623,10 @@ void InputDispatcher::addDragEventLocked(const MotionEntry& entry) {
 }
 
 void InputDispatcher::addWindowTargetLocked(const sp<WindowInfoHandle>& windowHandle,
-                                            int32_t targetFlags, BitSet32 pointerIds,
-                                            std::vector<InputTarget>& inputTargets) {
+                                            ftl::Flags<InputTarget::Flags> targetFlags,
+                                            BitSet32 pointerIds,
+                                            std::optional<nsecs_t> firstDownTimeInTarget,
+                                            std::vector<InputTarget>& inputTargets) const {
     std::vector<InputTarget>::iterator it =
             std::find_if(inputTargets.begin(), inputTargets.end(),
                          [&windowHandle](const InputTarget& inputTarget) {
@@ -2619,6 +2647,7 @@ void InputDispatcher::addWindowTargetLocked(const sp<WindowInfoHandle>& windowHa
         inputTarget.inputChannel = inputChannel;
         inputTarget.flags = targetFlags;
         inputTarget.globalScaleFactor = windowInfo->globalScaleFactor;
+        inputTarget.firstDownTimeInTarget = firstDownTimeInTarget;
         const auto& displayInfoIt = mDisplayInfos.find(windowInfo->displayId);
         if (displayInfoIt != mDisplayInfos.end()) {
             inputTarget.displayTransform = displayInfoIt->second.transform;
@@ -2643,7 +2672,9 @@ void InputDispatcher::addGlobalMonitoringTargetsLocked(std::vector<InputTarget>&
     for (const Monitor& monitor : selectResponsiveMonitorsLocked(monitorsIt->second)) {
         InputTarget target;
         target.inputChannel = monitor.inputChannel;
-        target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+        target.flags = InputTarget::Flags::DISPATCH_AS_IS;
+        // target.firstDownTimeInTarget is not set for global monitors. It is only required in split
+        // touch and global monitoring works as intended even without setting firstDownTimeInTarget
         if (const auto& it = mDisplayInfos.find(displayId); it != mDisplayInfos.end()) {
             target.displayTransform = it->second.transform;
         }
@@ -2673,7 +2704,7 @@ static bool canBeObscuredBy(const sp<WindowInfoHandle>& windowHandle,
         // We do want to potentially flag touchable windows even if they have 0
         // opacity, since they can consume touches and alter the effects of the
         // user interaction (eg. apps that rely on
-        // FLAG_WINDOW_IS_PARTIALLY_OBSCURED should still be told about those
+        // Flags::WINDOW_IS_PARTIALLY_OBSCURED should still be told about those
         // windows), hence we also check for FLAG_NOT_TOUCHABLE.
         return false;
     } else if (info->ownerUid == otherInfo->ownerUid) {
@@ -2902,9 +2933,9 @@ void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
         ATRACE_NAME(message.c_str());
     }
     if (DEBUG_DISPATCH_CYCLE) {
-        ALOGD("channel '%s' ~ prepareDispatchCycle - flags=0x%08x, "
+        ALOGD("channel '%s' ~ prepareDispatchCycle - flags=%s, "
               "globalScaleFactor=%f, pointerIds=0x%x %s",
-              connection->getInputChannelName().c_str(), inputTarget.flags,
+              connection->getInputChannelName().c_str(), inputTarget.flags.string().c_str(),
               inputTarget.globalScaleFactor, inputTarget.pointerIds.value,
               inputTarget.getPointerInfoString().c_str());
     }
@@ -2921,15 +2952,19 @@ void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
     }
 
     // Split a motion event if needed.
-    if (inputTarget.flags & InputTarget::FLAG_SPLIT) {
+    if (inputTarget.flags.test(InputTarget::Flags::SPLIT)) {
         LOG_ALWAYS_FATAL_IF(eventEntry->type != EventEntry::Type::MOTION,
-                            "Entry type %s should not have FLAG_SPLIT",
+                            "Entry type %s should not have Flags::SPLIT",
                             ftl::enum_string(eventEntry->type).c_str());
 
         const MotionEntry& originalMotionEntry = static_cast<const MotionEntry&>(*eventEntry);
         if (inputTarget.pointerIds.count() != originalMotionEntry.pointerCount) {
+            LOG_ALWAYS_FATAL_IF(!inputTarget.firstDownTimeInTarget.has_value(),
+                                "Splitting motion events requires a down time to be set for the "
+                                "target");
             std::unique_ptr<MotionEntry> splitMotionEntry =
-                    splitMotionEvent(originalMotionEntry, inputTarget.pointerIds);
+                    splitMotionEvent(originalMotionEntry, inputTarget.pointerIds,
+                                     inputTarget.firstDownTimeInTarget.value());
             if (!splitMotionEntry) {
                 return; // split event was dropped
             }
@@ -2963,22 +2998,24 @@ void InputDispatcher::enqueueDispatchEntriesLocked(nsecs_t currentTime,
                              connection->getInputChannelName().c_str(), eventEntry->id);
         ATRACE_NAME(message.c_str());
     }
+    LOG_ALWAYS_FATAL_IF(!inputTarget.flags.any(InputTarget::DISPATCH_MASK),
+                        "No dispatch flags are set for %s", eventEntry->getDescription().c_str());
 
-    bool wasEmpty = connection->outboundQueue.empty();
+    const bool wasEmpty = connection->outboundQueue.empty();
 
     // Enqueue dispatch entries for the requested modes.
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT);
+                               InputTarget::Flags::DISPATCH_AS_HOVER_EXIT);
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_OUTSIDE);
+                               InputTarget::Flags::DISPATCH_AS_OUTSIDE);
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER);
+                               InputTarget::Flags::DISPATCH_AS_HOVER_ENTER);
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_IS);
+                               InputTarget::Flags::DISPATCH_AS_IS);
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT);
+                               InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT);
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
-                               InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER);
+                               InputTarget::Flags::DISPATCH_AS_SLIPPERY_ENTER);
 
     // If the outbound queue was previously empty, start the dispatch cycle going.
     if (wasEmpty && !connection->outboundQueue.empty()) {
@@ -2989,18 +3026,20 @@ void InputDispatcher::enqueueDispatchEntriesLocked(nsecs_t currentTime,
 void InputDispatcher::enqueueDispatchEntryLocked(const sp<Connection>& connection,
                                                  std::shared_ptr<EventEntry> eventEntry,
                                                  const InputTarget& inputTarget,
-                                                 int32_t dispatchMode) {
+                                                 ftl::Flags<InputTarget::Flags> dispatchMode) {
     if (ATRACE_ENABLED()) {
         std::string message = StringPrintf("enqueueDispatchEntry(inputChannel=%s, dispatchMode=%s)",
                                            connection->getInputChannelName().c_str(),
-                                           dispatchModeToString(dispatchMode).c_str());
+                                           dispatchMode.string().c_str());
         ATRACE_NAME(message.c_str());
     }
-    int32_t inputTargetFlags = inputTarget.flags;
-    if (!(inputTargetFlags & dispatchMode)) {
+    ftl::Flags<InputTarget::Flags> inputTargetFlags = inputTarget.flags;
+    if (!inputTargetFlags.any(dispatchMode)) {
         return;
     }
-    inputTargetFlags = (inputTargetFlags & ~InputTarget::FLAG_DISPATCH_MASK) | dispatchMode;
+
+    inputTargetFlags.clear(InputTarget::DISPATCH_MASK);
+    inputTargetFlags |= dispatchMode;
 
     // This is a new event.
     // Enqueue a new dispatch entry onto the outbound queue for this connection.
@@ -3037,15 +3076,15 @@ void InputDispatcher::enqueueDispatchEntryLocked(const sp<Connection>& connectio
             constexpr int32_t DEFAULT_RESOLVED_EVENT_ID =
                     static_cast<int32_t>(IdGenerator::Source::OTHER);
             dispatchEntry->resolvedEventId = DEFAULT_RESOLVED_EVENT_ID;
-            if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+            if (dispatchMode.test(InputTarget::Flags::DISPATCH_AS_OUTSIDE)) {
                 dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_OUTSIDE;
-            } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT) {
+            } else if (dispatchMode.test(InputTarget::Flags::DISPATCH_AS_HOVER_EXIT)) {
                 dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_EXIT;
-            } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER) {
+            } else if (dispatchMode.test(InputTarget::Flags::DISPATCH_AS_HOVER_ENTER)) {
                 dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_ENTER;
-            } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
+            } else if (dispatchMode.test(InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT)) {
                 dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_CANCEL;
-            } else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER) {
+            } else if (dispatchMode.test(InputTarget::Flags::DISPATCH_AS_SLIPPERY_ENTER)) {
                 dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_DOWN;
             } else {
                 dispatchEntry->resolvedAction = motionEntry.action;
@@ -3065,10 +3104,10 @@ void InputDispatcher::enqueueDispatchEntryLocked(const sp<Connection>& connectio
             }
 
             dispatchEntry->resolvedFlags = motionEntry.flags;
-            if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
+            if (dispatchEntry->targetFlags.test(InputTarget::Flags::WINDOW_IS_OBSCURED)) {
                 dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
             }
-            if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED) {
+            if (dispatchEntry->targetFlags.test(InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED)) {
                 dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
             }
 
@@ -3168,8 +3207,7 @@ void InputDispatcher::updateInteractionTokensLocked(const EventEntry& entry,
     std::unordered_set<sp<IBinder>, StrongPointerHash<IBinder>> newConnectionTokens;
     std::vector<sp<Connection>> newConnections;
     for (const InputTarget& target : targets) {
-        if ((target.flags & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) ==
-            InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
+        if (target.flags.test(InputTarget::Flags::DISPATCH_AS_OUTSIDE)) {
             continue; // Skip windows that receive ACTION_OUTSIDE
         }
 
@@ -3218,6 +3256,55 @@ void InputDispatcher::dispatchPointerDownOutsideFocus(uint32_t source, int32_t a
     postCommandLocked(std::move(command));
 }
 
+status_t InputDispatcher::publishMotionEvent(Connection& connection,
+                                             DispatchEntry& dispatchEntry) const {
+    const EventEntry& eventEntry = *(dispatchEntry.eventEntry);
+    const MotionEntry& motionEntry = static_cast<const MotionEntry&>(eventEntry);
+
+    PointerCoords scaledCoords[MAX_POINTERS];
+    const PointerCoords* usingCoords = motionEntry.pointerCoords;
+
+    // Set the X and Y offset and X and Y scale depending on the input source.
+    if ((motionEntry.source & AINPUT_SOURCE_CLASS_POINTER) &&
+        !(dispatchEntry.targetFlags.test(InputTarget::Flags::ZERO_COORDS))) {
+        float globalScaleFactor = dispatchEntry.globalScaleFactor;
+        if (globalScaleFactor != 1.0f) {
+            for (uint32_t i = 0; i < motionEntry.pointerCount; i++) {
+                scaledCoords[i] = motionEntry.pointerCoords[i];
+                // Don't apply window scale here since we don't want scale to affect raw
+                // coordinates. The scale will be sent back to the client and applied
+                // later when requesting relative coordinates.
+                scaledCoords[i].scale(globalScaleFactor, 1 /* windowXScale */,
+                                      1 /* windowYScale */);
+            }
+            usingCoords = scaledCoords;
+        }
+    } else if (dispatchEntry.targetFlags.test(InputTarget::Flags::ZERO_COORDS)) {
+        // We don't want the dispatch target to know the coordinates
+        for (uint32_t i = 0; i < motionEntry.pointerCount; i++) {
+            scaledCoords[i].clear();
+        }
+        usingCoords = scaledCoords;
+    }
+
+    std::array<uint8_t, 32> hmac = getSignature(motionEntry, dispatchEntry);
+
+    // Publish the motion event.
+    return connection.inputPublisher
+            .publishMotionEvent(dispatchEntry.seq, dispatchEntry.resolvedEventId,
+                                motionEntry.deviceId, motionEntry.source, motionEntry.displayId,
+                                std::move(hmac), dispatchEntry.resolvedAction,
+                                motionEntry.actionButton, dispatchEntry.resolvedFlags,
+                                motionEntry.edgeFlags, motionEntry.metaState,
+                                motionEntry.buttonState, motionEntry.classification,
+                                dispatchEntry.transform, motionEntry.xPrecision,
+                                motionEntry.yPrecision, motionEntry.xCursorPosition,
+                                motionEntry.yCursorPosition, dispatchEntry.rawTransform,
+                                motionEntry.downTime, motionEntry.eventTime,
+                                motionEntry.pointerCount, motionEntry.pointerProperties,
+                                usingCoords);
+}
+
 void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
                                                const sp<Connection>& connection) {
     if (ATRACE_ENABLED()) {
@@ -3257,58 +3344,7 @@ void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
             }
 
             case EventEntry::Type::MOTION: {
-                const MotionEntry& motionEntry = static_cast<const MotionEntry&>(eventEntry);
-
-                PointerCoords scaledCoords[MAX_POINTERS];
-                const PointerCoords* usingCoords = motionEntry.pointerCoords;
-
-                // Set the X and Y offset and X and Y scale depending on the input source.
-                if ((motionEntry.source & AINPUT_SOURCE_CLASS_POINTER) &&
-                    !(dispatchEntry->targetFlags & InputTarget::FLAG_ZERO_COORDS)) {
-                    float globalScaleFactor = dispatchEntry->globalScaleFactor;
-                    if (globalScaleFactor != 1.0f) {
-                        for (uint32_t i = 0; i < motionEntry.pointerCount; i++) {
-                            scaledCoords[i] = motionEntry.pointerCoords[i];
-                            // Don't apply window scale here since we don't want scale to affect raw
-                            // coordinates. The scale will be sent back to the client and applied
-                            // later when requesting relative coordinates.
-                            scaledCoords[i].scale(globalScaleFactor, 1 /* windowXScale */,
-                                                  1 /* windowYScale */);
-                        }
-                        usingCoords = scaledCoords;
-                    }
-                } else {
-                    // We don't want the dispatch target to know.
-                    if (dispatchEntry->targetFlags & InputTarget::FLAG_ZERO_COORDS) {
-                        for (uint32_t i = 0; i < motionEntry.pointerCount; i++) {
-                            scaledCoords[i].clear();
-                        }
-                        usingCoords = scaledCoords;
-                    }
-                }
-
-                std::array<uint8_t, 32> hmac = getSignature(motionEntry, *dispatchEntry);
-
-                // Publish the motion event.
-                status = connection->inputPublisher
-                                 .publishMotionEvent(dispatchEntry->seq,
-                                                     dispatchEntry->resolvedEventId,
-                                                     motionEntry.deviceId, motionEntry.source,
-                                                     motionEntry.displayId, std::move(hmac),
-                                                     dispatchEntry->resolvedAction,
-                                                     motionEntry.actionButton,
-                                                     dispatchEntry->resolvedFlags,
-                                                     motionEntry.edgeFlags, motionEntry.metaState,
-                                                     motionEntry.buttonState,
-                                                     motionEntry.classification,
-                                                     dispatchEntry->transform,
-                                                     motionEntry.xPrecision, motionEntry.yPrecision,
-                                                     motionEntry.xCursorPosition,
-                                                     motionEntry.yCursorPosition,
-                                                     dispatchEntry->rawTransform,
-                                                     motionEntry.downTime, motionEntry.eventTime,
-                                                     motionEntry.pointerCount,
-                                                     motionEntry.pointerProperties, usingCoords);
+                status = publishMotionEvent(*connection, *dispatchEntry);
                 break;
             }
 
@@ -3645,7 +3681,7 @@ void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
         target.globalScaleFactor = windowInfo->globalScaleFactor;
     }
     target.inputChannel = connection->inputChannel;
-    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    target.flags = InputTarget::Flags::DISPATCH_AS_IS;
 
     const bool wasEmpty = connection->outboundQueue.empty();
 
@@ -3680,7 +3716,7 @@ void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
         }
 
         enqueueDispatchEntryLocked(connection, std::move(cancelationEventEntry), target,
-                                   InputTarget::FLAG_DISPATCH_AS_IS);
+                                   InputTarget::Flags::DISPATCH_AS_IS);
     }
 
     // If the outbound queue was previously empty, start the dispatch cycle going.
@@ -3690,15 +3726,13 @@ void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
 }
 
 void InputDispatcher::synthesizePointerDownEventsForConnectionLocked(
-        const sp<Connection>& connection) {
+        const nsecs_t downTime, const sp<Connection>& connection) {
     if (connection->status == Connection::Status::BROKEN) {
         return;
     }
 
-    nsecs_t currentTime = now();
-
     std::vector<std::unique_ptr<EventEntry>> downEvents =
-            connection->inputState.synthesizePointerDownEvents(currentTime);
+            connection->inputState.synthesizePointerDownEvents(downTime);
 
     if (downEvents.empty()) {
         return;
@@ -3718,10 +3752,9 @@ void InputDispatcher::synthesizePointerDownEventsForConnectionLocked(
         target.globalScaleFactor = windowInfo->globalScaleFactor;
     }
     target.inputChannel = connection->inputChannel;
-    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    target.flags = InputTarget::Flags::DISPATCH_AS_IS;
 
     const bool wasEmpty = connection->outboundQueue.empty();
-
     for (std::unique_ptr<EventEntry>& downEventEntry : downEvents) {
         switch (downEventEntry->type) {
             case EventEntry::Type::MOTION: {
@@ -3745,16 +3778,17 @@ void InputDispatcher::synthesizePointerDownEventsForConnectionLocked(
         }
 
         enqueueDispatchEntryLocked(connection, std::move(downEventEntry), target,
-                                   InputTarget::FLAG_DISPATCH_AS_IS);
+                                   InputTarget::Flags::DISPATCH_AS_IS);
     }
+
     // If the outbound queue was previously empty, start the dispatch cycle going.
     if (wasEmpty && !connection->outboundQueue.empty()) {
-        startDispatchCycleLocked(currentTime, connection);
+        startDispatchCycleLocked(downTime, connection);
     }
 }
 
 std::unique_ptr<MotionEntry> InputDispatcher::splitMotionEvent(
-        const MotionEntry& originalMotionEntry, BitSet32 pointerIds) {
+        const MotionEntry& originalMotionEntry, BitSet32 pointerIds, nsecs_t splitDownTime) {
     ALOG_ASSERT(pointerIds.value != 0);
 
     uint32_t splitPointerIndexMap[MAX_POINTERS];
@@ -3822,6 +3856,13 @@ std::unique_ptr<MotionEntry> InputDispatcher::splitMotionEvent(
         }
     }
 
+    if (action == AMOTION_EVENT_ACTION_DOWN) {
+        LOG_ALWAYS_FATAL_IF(splitDownTime != originalMotionEntry.eventTime,
+                            "Split motion event has mismatching downTime and eventTime for "
+                            "ACTION_DOWN, motionEntry=%s, splitDownTime=%" PRId64 "ms",
+                            originalMotionEntry.getDescription().c_str(), ns2ms(splitDownTime));
+    }
+
     int32_t newId = mIdGenerator.nextId();
     if (ATRACE_ENABLED()) {
         std::string message = StringPrintf("Split MotionEvent(id=0x%" PRIx32
@@ -3842,9 +3883,9 @@ std::unique_ptr<MotionEntry> InputDispatcher::splitMotionEvent(
                                           originalMotionEntry.xPrecision,
                                           originalMotionEntry.yPrecision,
                                           originalMotionEntry.xCursorPosition,
-                                          originalMotionEntry.yCursorPosition,
-                                          originalMotionEntry.downTime, splitPointerCount,
-                                          splitPointerProperties, splitPointerCoords);
+                                          originalMotionEntry.yCursorPosition, splitDownTime,
+                                          splitPointerCount, splitPointerProperties,
+                                          splitPointerCoords);
 
     if (originalMotionEntry.injectionState) {
         splitMotionEntry->injectionState = originalMotionEntry.injectionState;
@@ -3992,13 +4033,14 @@ void InputDispatcher::notifyMotion(const NotifyMotionArgs* args) {
     if (DEBUG_INBOUND_EVENT_DETAILS) {
         ALOGD("notifyMotion - id=%" PRIx32 " eventTime=%" PRId64 ", deviceId=%d, source=0x%x, "
               "displayId=%" PRId32 ", policyFlags=0x%x, "
-              "action=0x%x, actionButton=0x%x, flags=0x%x, metaState=0x%x, buttonState=0x%x, "
+              "action=%s, actionButton=0x%x, flags=0x%x, metaState=0x%x, buttonState=0x%x, "
               "edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, xCursorPosition=%f, "
               "yCursorPosition=%f, downTime=%" PRId64,
               args->id, args->eventTime, args->deviceId, args->source, args->displayId,
-              args->policyFlags, args->action, args->actionButton, args->flags, args->metaState,
-              args->buttonState, args->edgeFlags, args->xPrecision, args->yPrecision,
-              args->xCursorPosition, args->yCursorPosition, args->downTime);
+              args->policyFlags, MotionEvent::actionToString(args->action).c_str(),
+              args->actionButton, args->flags, args->metaState, args->buttonState, args->edgeFlags,
+              args->xPrecision, args->yPrecision, args->xCursorPosition, args->yCursorPosition,
+              args->downTime);
         for (uint32_t i = 0; i < args->pointerCount; i++) {
             ALOGD("  Pointer %d: id=%d, toolType=%d, "
                   "x=%f, y=%f, pressure=%f, size=%f, "
@@ -4016,10 +4058,9 @@ void InputDispatcher::notifyMotion(const NotifyMotionArgs* args) {
                   args->pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION));
         }
     }
-    if (!validateMotionEvent(args->action, args->actionButton, args->pointerCount,
-                             args->pointerProperties)) {
-        return;
-    }
+    LOG_ALWAYS_FATAL_IF(!validateMotionEvent(args->action, args->actionButton, args->pointerCount,
+                                             args->pointerProperties),
+                        "Invalid event: %s", args->dump().c_str());
 
     uint32_t policyFlags = args->policyFlags;
     policyFlags |= POLICY_FLAG_TRUSTED;
@@ -4582,26 +4623,58 @@ sp<WindowInfoHandle> InputDispatcher::getFocusedWindowHandleLocked(int displayId
     return getWindowHandleLocked(focusedToken, displayId);
 }
 
-bool InputDispatcher::hasResponsiveConnectionLocked(WindowInfoHandle& windowHandle) const {
-    sp<Connection> connection = getConnectionLocked(windowHandle.getToken());
-    const bool noInputChannel =
-            windowHandle.getInfo()->inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL);
-    if (connection != nullptr && noInputChannel) {
-        ALOGW("%s has feature NO_INPUT_CHANNEL, but it matched to connection %s",
-              windowHandle.getName().c_str(), connection->inputChannel->getName().c_str());
+bool InputDispatcher::canWindowReceiveMotionLocked(const sp<WindowInfoHandle>& window,
+                                                   const MotionEntry& motionEntry) const {
+    const WindowInfo& info = *window->getInfo();
+
+    // Skip spy window targets that are not valid for targeted injection.
+    if (const auto err = verifyTargetedInjection(window, motionEntry); err) {
         return false;
     }
 
+    if (info.inputConfig.test(WindowInfo::InputConfig::PAUSE_DISPATCHING)) {
+        ALOGI("Not sending touch event to %s because it is paused", window->getName().c_str());
+        return false;
+    }
+
+    if (info.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL)) {
+        ALOGW("Not sending touch gesture to %s because it has config NO_INPUT_CHANNEL",
+              window->getName().c_str());
+        return false;
+    }
+
+    sp<Connection> connection = getConnectionLocked(window->getToken());
     if (connection == nullptr) {
-        if (!noInputChannel) {
-            ALOGI("Could not find connection for %s", windowHandle.getName().c_str());
-        }
+        ALOGW("Not sending touch to %s because there's no corresponding connection",
+              window->getName().c_str());
         return false;
     }
+
     if (!connection->responsive) {
-        ALOGW("Window %s is not responsive", windowHandle.getName().c_str());
+        ALOGW("Not sending touch to %s because it is not responsive", window->getName().c_str());
         return false;
     }
+
+    // Drop events that can't be trusted due to occlusion
+    const auto [x, y] = resolveTouchedPosition(motionEntry);
+    TouchOcclusionInfo occlusionInfo = computeTouchOcclusionInfoLocked(window, x, y);
+    if (!isTouchTrustedLocked(occlusionInfo)) {
+        if (DEBUG_TOUCH_OCCLUSION) {
+            ALOGD("Stack of obscuring windows during untrusted touch (%d, %d):", x, y);
+            for (const auto& log : occlusionInfo.debugInfo) {
+                ALOGD("%s", log.c_str());
+            }
+        }
+        ALOGW("Dropping untrusted touch event due to %s/%d", occlusionInfo.obscuringPackage.c_str(),
+              occlusionInfo.obscuringUid);
+        return false;
+    }
+
+    // Drop touch events if requested by input feature
+    if (shouldDropInput(motionEntry, window)) {
+        return false;
+    }
+
     return true;
 }
 
@@ -4765,12 +4838,12 @@ void InputDispatcher::setInputWindowsLocked(
                 std::shared_ptr<InputChannel> touchedInputChannel =
                         getInputChannelLocked(touchedWindow.windowHandle->getToken());
                 if (touchedInputChannel != nullptr) {
-                    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                    CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                                "touched window was removed");
                     synthesizeCancelationEventsForInputChannelLocked(touchedInputChannel, options);
                     // Since we are about to drop the touch, cancel the events for the wallpaper as
                     // well.
-                    if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND &&
+                    if (touchedWindow.targetFlags.test(InputTarget::Flags::FOREGROUND) &&
                         touchedWindow.windowHandle->getInfo()->inputConfig.test(
                                 gui::WindowInfo::InputConfig::DUPLICATE_TOUCH_TO_WALLPAPER)) {
                         sp<WindowInfoHandle> wallpaper = state.getWallpaperWindow();
@@ -4811,7 +4884,7 @@ void InputDispatcher::setInputWindowsLocked(
             std::shared_ptr<InputChannel> inputChannel =
                     getInputChannelLocked(newWindowHandle->getToken());
             if (inputChannel != nullptr) {
-                CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                            "touched window's orientation changed");
                 synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
             }
@@ -4892,7 +4965,7 @@ void InputDispatcher::setFocusedDisplay(int32_t displayId) {
                         getInputChannelLocked(oldFocusedWindowToken);
                 if (inputChannel != nullptr) {
                     CancelationOptions
-                            options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+                            options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
                                     "The display which contains this window no longer has focus.");
                     options.displayId = ADISPLAY_ID_NONE;
                     synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
@@ -4912,10 +4985,6 @@ void InputDispatcher::setFocusedDisplay(int32_t displayId) {
                 }
             }
         }
-
-        if (DEBUG_FOCUS) {
-            logDispatchStateLocked();
-        }
     } // release lock
 
     // Wake up poll loop since it may need to make new input dispatching choices.
@@ -4946,10 +5015,6 @@ void InputDispatcher::setInputDispatchMode(bool enabled, bool frozen) {
         } else {
             changed = false;
         }
-
-        if (DEBUG_FOCUS) {
-            logDispatchStateLocked();
-        }
     } // release lock
 
     if (changed) {
@@ -4978,19 +5043,23 @@ void InputDispatcher::setInputFilterEnabled(bool enabled) {
     mLooper->wake();
 }
 
-bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid,
-                                     bool hasPermission) {
+bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                                     int32_t displayId) {
     bool needWake = false;
     {
         std::scoped_lock lock(mLock);
-        if (mInTouchMode == inTouchMode) {
+        ALOGD_IF(DEBUG_TOUCH_MODE,
+                 "Request to change touch mode to %s (calling pid=%d, uid=%d, "
+                 "hasPermission=%s, target displayId=%d, mTouchModePerDisplay[displayId]=%s)",
+                 toString(inTouchMode), pid, uid, toString(hasPermission), displayId,
+                 mTouchModePerDisplay.count(displayId) == 0
+                         ? "not set"
+                         : std::to_string(mTouchModePerDisplay[displayId]).c_str());
+
+        auto touchModeIt = mTouchModePerDisplay.find(displayId);
+        if (touchModeIt != mTouchModePerDisplay.end() && touchModeIt->second == inTouchMode) {
             return false;
         }
-        if (DEBUG_TOUCH_MODE) {
-            ALOGD("Request to change touch mode from %s to %s (calling pid=%d, uid=%d, "
-                  "hasPermission=%s)",
-                  toString(mInTouchMode), toString(inTouchMode), pid, uid, toString(hasPermission));
-        }
         if (!hasPermission) {
             if (!focusedWindowIsOwnedByLocked(pid, uid) &&
                 !recentWindowsAreOwnedByLocked(pid, uid)) {
@@ -5000,11 +5069,9 @@ bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid,
                 return false;
             }
         }
-
-        // TODO(b/198499018): Store touch mode per display.
-        mInTouchMode = inTouchMode;
-
-        auto entry = std::make_unique<TouchModeEntry>(mIdGenerator.nextId(), now(), inTouchMode);
+        mTouchModePerDisplay[displayId] = inTouchMode;
+        auto entry = std::make_unique<TouchModeEntry>(mIdGenerator.nextId(), now(), inTouchMode,
+                                                      displayId);
         needWake = enqueueInboundEventLocked(std::move(entry));
     } // release lock
 
@@ -5042,21 +5109,16 @@ void InputDispatcher::setMaximumObscuringOpacityForTouch(float opacity) {
     mMaximumObscuringOpacityForTouch = opacity;
 }
 
-void InputDispatcher::setBlockUntrustedTouchesMode(BlockUntrustedTouchesMode mode) {
-    std::scoped_lock lock(mLock);
-    mBlockUntrustedTouchesMode = mode;
-}
-
-std::pair<TouchState*, TouchedWindow*> InputDispatcher::findTouchStateAndWindowLocked(
-        const sp<IBinder>& token) {
+std::tuple<TouchState*, TouchedWindow*, int32_t /*displayId*/>
+InputDispatcher::findTouchStateWindowAndDisplayLocked(const sp<IBinder>& token) {
     for (auto& [displayId, state] : mTouchStatesByDisplay) {
         for (TouchedWindow& w : state.windows) {
             if (w.windowHandle->getToken() == token) {
-                return std::make_pair(&state, &w);
+                return std::make_tuple(&state, &w, displayId);
             }
         }
     }
-    return std::make_pair(nullptr, nullptr);
+    return std::make_tuple(nullptr, nullptr, ADISPLAY_ID_DEFAULT);
 }
 
 bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken,
@@ -5072,13 +5134,12 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
         std::scoped_lock _l(mLock);
 
         // Find the target touch state and touched window by fromToken.
-        auto [state, touchedWindow] = findTouchStateAndWindowLocked(fromToken);
+        auto [state, touchedWindow, displayId] = findTouchStateWindowAndDisplayLocked(fromToken);
         if (state == nullptr || touchedWindow == nullptr) {
             ALOGD("Focus transfer failed because from window is not being touched.");
             return false;
         }
 
-        const int32_t displayId = state->displayId;
         sp<WindowInfoHandle> toWindowHandle = getWindowHandleLocked(toToken, displayId);
         if (toWindowHandle == nullptr) {
             ALOGW("Cannot transfer focus because to window not found.");
@@ -5092,17 +5153,18 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
         }
 
         // Erase old window.
-        int32_t oldTargetFlags = touchedWindow->targetFlags;
+        ftl::Flags<InputTarget::Flags> oldTargetFlags = touchedWindow->targetFlags;
         BitSet32 pointerIds = touchedWindow->pointerIds;
         state->removeWindowByToken(fromToken);
 
         // Add new window.
-        int32_t newTargetFlags =
-                oldTargetFlags & (InputTarget::FLAG_SPLIT | InputTarget::FLAG_DISPATCH_AS_IS);
+        nsecs_t downTimeInTarget = now();
+        ftl::Flags<InputTarget::Flags> newTargetFlags =
+                oldTargetFlags & (InputTarget::Flags::SPLIT | InputTarget::Flags::DISPATCH_AS_IS);
         if (canReceiveForegroundTouches(*toWindowHandle->getInfo())) {
-            newTargetFlags |= InputTarget::FLAG_FOREGROUND;
+            newTargetFlags |= InputTarget::Flags::FOREGROUND;
         }
-        state->addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds);
+        state->addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds, downTimeInTarget);
 
         // Store the dragging window.
         if (isDragDrop) {
@@ -5122,14 +5184,10 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
         if (fromConnection != nullptr && toConnection != nullptr) {
             fromConnection->inputState.mergePointerStateTo(toConnection->inputState);
             CancelationOptions
-                    options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                    options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                             "transferring touch focus from this window to another window");
             synthesizeCancelationEventsForConnectionLocked(fromConnection, options);
-            synthesizePointerDownEventsForConnectionLocked(toConnection);
-        }
-
-        if (DEBUG_FOCUS) {
-            logDispatchStateLocked();
+            synthesizePointerDownEventsForConnectionLocked(downTimeInTarget, toConnection);
         }
     } // release lock
 
@@ -5154,7 +5212,7 @@ sp<WindowInfoHandle> InputDispatcher::findTouchedForegroundWindowLocked(int32_t
     sp<WindowInfoHandle> touchedForegroundWindow;
     // If multiple foreground windows are touched, return nullptr
     for (const TouchedWindow& window : state.windows) {
-        if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
+        if (window.targetFlags.test(InputTarget::Flags::FOREGROUND)) {
             if (touchedForegroundWindow != nullptr) {
                 ALOGI("Two or more foreground windows: %s and %s",
                       touchedForegroundWindow->getName().c_str(),
@@ -5196,7 +5254,7 @@ void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
         ALOGD("Resetting and dropping all events (%s).", reason);
     }
 
-    CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS, reason);
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS, reason);
     synthesizeCancelationEventsForAllConnectionsLocked(options);
 
     resetKeyRepeatLocked();
@@ -5266,23 +5324,9 @@ void InputDispatcher::dumpDispatchStateLocked(std::string& dump) {
 
     if (!mTouchStatesByDisplay.empty()) {
         dump += StringPrintf(INDENT "TouchStatesByDisplay:\n");
-        for (const std::pair<int32_t, TouchState>& pair : mTouchStatesByDisplay) {
-            const TouchState& state = pair.second;
-            dump += StringPrintf(INDENT2 "%d: down=%s, split=%s, deviceId=%d, source=0x%08x\n",
-                                 state.displayId, toString(state.down), toString(state.split),
-                                 state.deviceId, state.source);
-            if (!state.windows.empty()) {
-                dump += INDENT3 "Windows:\n";
-                for (size_t i = 0; i < state.windows.size(); i++) {
-                    const TouchedWindow& touchedWindow = state.windows[i];
-                    dump += StringPrintf(INDENT4
-                                         "%zu: name='%s', pointerIds=0x%0x, targetFlags=0x%x\n",
-                                         i, touchedWindow.windowHandle->getName().c_str(),
-                                         touchedWindow.pointerIds.value, touchedWindow.targetFlags);
-                }
-            } else {
-                dump += INDENT3 "Windows: <none>\n";
-            }
+        for (const auto& [displayId, state] : mTouchStatesByDisplay) {
+            std::string touchStateDump = addLinePrefix(state.dump(), INDENT2);
+            dump += INDENT2 + std::to_string(displayId) + " : " + touchStateDump;
         }
     } else {
         dump += INDENT "TouchStates: <no displays touched>\n";
@@ -5391,9 +5435,7 @@ void InputDispatcher::dumpDispatchStateLocked(std::string& dump) {
 
     if (!mReplacedKeys.empty()) {
         dump += INDENT "ReplacedKeys:\n";
-        for (const std::pair<KeyReplacement, int32_t>& pair : mReplacedKeys) {
-            const KeyReplacement& replacement = pair.first;
-            int32_t newKeyCode = pair.second;
+        for (const auto& [replacement, newKeyCode] : mReplacedKeys) {
             dump += StringPrintf(INDENT2 "originalKeyCode=%d, deviceId=%d -> newKeyCode=%d\n",
                                  replacement.keyCode, replacement.deviceId, newKeyCode);
         }
@@ -5446,6 +5488,16 @@ void InputDispatcher::dumpDispatchStateLocked(std::string& dump) {
         dump += INDENT "AppSwitch: not pending\n";
     }
 
+    if (!mTouchModePerDisplay.empty()) {
+        dump += INDENT "TouchModePerDisplay:\n";
+        for (const auto& [displayId, touchMode] : mTouchModePerDisplay) {
+            dump += StringPrintf(INDENT2 "Display: %" PRId32 " TouchMode: %s\n", displayId,
+                                 std::to_string(touchMode).c_str());
+        }
+    } else {
+        dump += INDENT "TouchModePerDisplay: <none>\n";
+    }
+
     dump += INDENT "Configuration:\n";
     dump += StringPrintf(INDENT2 "KeyRepeatDelay: %" PRId64 "ms\n", ns2ms(mConfig.keyRepeatDelay));
     dump += StringPrintf(INDENT2 "KeyRepeatTimeout: %" PRId64 "ms\n",
@@ -5491,7 +5543,7 @@ Result<std::unique_ptr<InputChannel>> InputDispatcher::createInputChannel(const
         const sp<IBinder>& token = serverChannel->getConnectionToken();
         int fd = serverChannel->getFd();
         sp<Connection> connection =
-                new Connection(std::move(serverChannel), false /*monitor*/, mIdGenerator);
+                sp<Connection>::make(std::move(serverChannel), false /*monitor*/, mIdGenerator);
 
         if (mConnectionsByToken.find(token) != mConnectionsByToken.end()) {
             ALOGE("Created a new connection, but the token %p is already known", token.get());
@@ -5501,7 +5553,8 @@ Result<std::unique_ptr<InputChannel>> InputDispatcher::createInputChannel(const
         std::function<int(int events)> callback = std::bind(&InputDispatcher::handleReceiveCallback,
                                                             this, std::placeholders::_1, token);
 
-        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, new LooperEventCallback(callback), nullptr);
+        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, sp<LooperEventCallback>::make(callback),
+                       nullptr);
     } // release lock
 
     // Wake the looper because some connections have changed.
@@ -5527,7 +5580,8 @@ Result<std::unique_ptr<InputChannel>> InputDispatcher::createInputMonitor(int32_
                                           << " without a specified display.";
         }
 
-        sp<Connection> connection = new Connection(serverChannel, true /*monitor*/, mIdGenerator);
+        sp<Connection> connection =
+                sp<Connection>::make(serverChannel, true /*monitor*/, mIdGenerator);
         const sp<IBinder>& token = serverChannel->getConnectionToken();
         const int fd = serverChannel->getFd();
 
@@ -5540,7 +5594,8 @@ Result<std::unique_ptr<InputChannel>> InputDispatcher::createInputMonitor(int32_
 
         mGlobalMonitorsByDisplay[displayId].emplace_back(serverChannel, pid);
 
-        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, new LooperEventCallback(callback), nullptr);
+        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, sp<LooperEventCallback>::make(callback),
+                       nullptr);
     }
 
     // Wake the looper because some connections have changed.
@@ -5604,31 +5659,35 @@ void InputDispatcher::removeMonitorChannelLocked(const sp<IBinder>& connectionTo
 
 status_t InputDispatcher::pilferPointers(const sp<IBinder>& token) {
     std::scoped_lock _l(mLock);
+    return pilferPointersLocked(token);
+}
 
+status_t InputDispatcher::pilferPointersLocked(const sp<IBinder>& token) {
     const std::shared_ptr<InputChannel> requestingChannel = getInputChannelLocked(token);
     if (!requestingChannel) {
         ALOGW("Attempted to pilfer pointers from an un-registered channel or invalid token");
         return BAD_VALUE;
     }
 
-    auto [statePtr, windowPtr] = findTouchStateAndWindowLocked(token);
-    if (statePtr == nullptr || windowPtr == nullptr || !statePtr->down) {
+    auto [statePtr, windowPtr, displayId] = findTouchStateWindowAndDisplayLocked(token);
+    if (statePtr == nullptr || windowPtr == nullptr || windowPtr->pointerIds.isEmpty()) {
         ALOGW("Attempted to pilfer points from a channel without any on-going pointer streams."
               " Ignoring.");
         return BAD_VALUE;
     }
 
     TouchState& state = *statePtr;
-
+    TouchedWindow& window = *windowPtr;
     // Send cancel events to all the input channels we're stealing from.
-    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                "input channel stole pointer stream");
     options.deviceId = state.deviceId;
-    options.displayId = state.displayId;
+    options.displayId = displayId;
+    options.pointerIds = window.pointerIds;
     std::string canceledWindows;
-    for (const TouchedWindow& window : state.windows) {
+    for (const TouchedWindow& w : state.windows) {
         const std::shared_ptr<InputChannel> channel =
-                getInputChannelLocked(window.windowHandle->getToken());
+                getInputChannelLocked(w.windowHandle->getToken());
         if (channel != nullptr && channel->getConnectionToken() != token) {
             synthesizeCancelationEventsForInputChannelLocked(channel, options);
             canceledWindows += canceledWindows.empty() ? "[" : ", ";
@@ -5640,8 +5699,10 @@ status_t InputDispatcher::pilferPointers(const sp<IBinder>& token) {
           canceledWindows.c_str());
 
     // Prevent the gesture from being sent to any other windows.
-    state.filterWindowsExcept(token);
-    state.preventNewTargets = true;
+    // This only blocks relevant pointers to be sent to other windows
+    window.isPilferingPointers = true;
+
+    state.cancelPointersForWindowsExcept(window.pointerIds, token);
     return OK;
 }
 
@@ -5813,14 +5874,6 @@ void InputDispatcher::sendDropWindowCommandLocked(const sp<IBinder>& token, floa
     postCommandLocked(std::move(command));
 }
 
-void InputDispatcher::sendUntrustedTouchCommandLocked(const std::string& obscuringPackage) {
-    auto command = [this, obscuringPackage]() REQUIRES(mLock) {
-        scoped_unlock unlock(mLock);
-        mPolicy->notifyUntrustedTouch(obscuringPackage);
-    };
-    postCommandLocked(std::move(command));
-}
-
 void InputDispatcher::onAnrLocked(const sp<Connection>& connection) {
     if (connection == nullptr) {
         LOG_ALWAYS_FATAL("Caller must check for nullness");
@@ -5912,11 +5965,11 @@ void InputDispatcher::doInterceptKeyBeforeDispatchingCommand(const sp<IBinder>&
     } // acquire lock
 
     if (delay < 0) {
-        entry.interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_SKIP;
+        entry.interceptKeyResult = KeyEntry::InterceptKeyResult::SKIP;
     } else if (delay == 0) {
-        entry.interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
+        entry.interceptKeyResult = KeyEntry::InterceptKeyResult::CONTINUE;
     } else {
-        entry.interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_TRY_AGAIN_LATER;
+        entry.interceptKeyResult = KeyEntry::InterceptKeyResult::TRY_AGAIN_LATER;
         entry.interceptKeyWakeupTime = now() + delay;
     }
 }
@@ -6026,7 +6079,7 @@ bool InputDispatcher::afterKeyEventLockedInterruptable(const sp<Connection>& con
 
             // Cancel the fallback key.
             if (fallbackKeyCode != AKEYCODE_UNKNOWN) {
-                CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS,
                                            "application handled the original non-fallback key "
                                            "or is no longer a foreground target, "
                                            "canceling previously dispatched fallback key");
@@ -6103,7 +6156,7 @@ bool InputDispatcher::afterKeyEventLockedInterruptable(const sp<Connection>& con
                 }
             }
 
-            CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS,
                                        "canceling fallback, policy no longer desires it");
             options.keyCode = fallbackKeyCode;
             synthesizeCancelationEventsForConnectionLocked(connection, options);
@@ -6256,7 +6309,7 @@ void InputDispatcher::onFocusChangedLocked(const FocusResolver::FocusChanges& ch
     if (changes.oldFocus) {
         std::shared_ptr<InputChannel> focusedInputChannel = getInputChannelLocked(changes.oldFocus);
         if (focusedInputChannel) {
-            CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
                                        "focus left window");
             synthesizeCancelationEventsForInputChannelLocked(focusedInputChannel, options);
             enqueueFocusEventLocked(changes.oldFocus, false /*hasFocus*/, changes.reason);
@@ -6330,6 +6383,8 @@ void InputDispatcher::displayRemoved(int32_t displayId) {
         mFocusResolver.displayRemoved(displayId);
         // Reset pointer capture eligibility, regardless of previous state.
         std::erase(mIneligibleDisplaysForPointerCapture, displayId);
+        // Remove the associated touch mode state.
+        mTouchModePerDisplay.erase(displayId);
     } // release lock
 
     // Wake up poll loop since it may need to make new input dispatching choices.
@@ -6343,7 +6398,7 @@ void InputDispatcher::onWindowInfosChanged(const std::vector<WindowInfo>& window
     std::unordered_map<int32_t, std::vector<sp<WindowInfoHandle>>> handlesPerDisplay;
     for (const auto& info : windowInfos) {
         handlesPerDisplay.emplace(info.displayId, std::vector<sp<WindowInfoHandle>>());
-        handlesPerDisplay[info.displayId].push_back(new WindowInfoHandle(info));
+        handlesPerDisplay[info.displayId].push_back(sp<WindowInfoHandle>::make(info));
     }
 
     { // acquire lock
@@ -6394,7 +6449,7 @@ void InputDispatcher::cancelCurrentTouch() {
     {
         std::scoped_lock _l(mLock);
         ALOGD("Canceling all ongoing pointer gestures on all displays.");
-        CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                    "cancel current touch");
         synthesizeCancelationEventsForAllConnectionsLocked(options);
 
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index ed89ed0b0f..5efb39e0f2 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_DISPATCHER_H
-#define _UI_INPUT_DISPATCHER_H
+#pragma once
 
 #include "AnrTracker.h"
 #include "CancelationOptions.h"
@@ -42,7 +41,6 @@
 #include <input/InputTransport.h>
 #include <limits.h>
 #include <stddef.h>
-#include <ui/Region.h>
 #include <unistd.h>
 #include <utils/BitSet.h>
 #include <utils/Looper.h>
@@ -119,9 +117,9 @@ public:
     void setFocusedDisplay(int32_t displayId) override;
     void setInputDispatchMode(bool enabled, bool frozen) override;
     void setInputFilterEnabled(bool enabled) override;
-    bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) override;
+    bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                        int32_t displayId) override;
     void setMaximumObscuringOpacityForTouch(float opacity) override;
-    void setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode mode) override;
 
     bool transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken,
                             bool isDragDrop = false) override;
@@ -241,7 +239,7 @@ private:
 
     sp<android::gui::WindowInfoHandle> findTouchedWindowAtLocked(
             int32_t displayId, int32_t x, int32_t y, TouchState* touchState, bool isStylus = false,
-            bool addOutsideTargets = false, bool ignoreDragWindow = false) REQUIRES(mLock);
+            bool addOutsideTargets = false, bool ignoreDragWindow = false) const REQUIRES(mLock);
 
     std::vector<sp<android::gui::WindowInfoHandle>> findTouchedSpyWindowsAtLocked(
             int32_t displayId, int32_t x, int32_t y, bool isStylus) const REQUIRES(mLock);
@@ -256,6 +254,8 @@ private:
 
     void removeConnectionLocked(const sp<Connection>& connection) REQUIRES(mLock);
 
+    status_t pilferPointersLocked(const sp<IBinder>& token) REQUIRES(mLock);
+
     template <typename T>
     struct StrongPointerHash {
         std::size_t operator()(const sp<T>& b) const { return std::hash<T*>{}(b.get()); }
@@ -342,9 +342,12 @@ private:
     bool mDispatchEnabled GUARDED_BY(mLock);
     bool mDispatchFrozen GUARDED_BY(mLock);
     bool mInputFilterEnabled GUARDED_BY(mLock);
-    bool mInTouchMode GUARDED_BY(mLock);
     float mMaximumObscuringOpacityForTouch GUARDED_BY(mLock);
-    android::os::BlockUntrustedTouchesMode mBlockUntrustedTouchesMode GUARDED_BY(mLock);
+
+    // This map is not really needed, but it helps a lot with debugging (dumpsys input).
+    // In the java layer, touch mode states are spread across multiple DisplayContent objects,
+    // making harder to snapshot and retrieve them.
+    std::map<int32_t /*displayId*/, bool /*inTouchMode*/> mTouchModePerDisplay GUARDED_BY(mLock);
 
     class DispatcherWindowListener : public gui::WindowInfosListener {
     public:
@@ -381,10 +384,10 @@ private:
             REQUIRES(mLock);
     sp<android::gui::WindowInfoHandle> getFocusedWindowHandleLocked(int displayId) const
             REQUIRES(mLock);
-    bool hasResponsiveConnectionLocked(android::gui::WindowInfoHandle& windowHandle) const
-            REQUIRES(mLock);
+    bool canWindowReceiveMotionLocked(const sp<android::gui::WindowInfoHandle>& window,
+                                      const MotionEntry& motionEntry) const REQUIRES(mLock);
 
-    // Gets all the input targets (with their respective input channels) from the window handles
+    // Returns all the input targets (with their respective input channels) from the window handles
     // passed as argument.
     std::vector<InputTarget> getInputTargetsFromWindowHandlesLocked(
             const std::vector<sp<android::gui::WindowInfoHandle>>& windowHandles) const
@@ -538,19 +541,21 @@ private:
     // shade is pulled down while we are counting down the timeout).
     void resetNoFocusedWindowTimeoutLocked() REQUIRES(mLock);
 
+    bool shouldSplitTouch(const TouchState& touchState, const MotionEntry& entry) const;
     int32_t getTargetDisplayId(const EventEntry& entry);
-    android::os::InputEventInjectionResult findFocusedWindowTargetsLocked(
-            nsecs_t currentTime, const EventEntry& entry, std::vector<InputTarget>& inputTargets,
-            nsecs_t* nextWakeupTime) REQUIRES(mLock);
-    android::os::InputEventInjectionResult findTouchedWindowTargetsLocked(
-            nsecs_t currentTime, const MotionEntry& entry, std::vector<InputTarget>& inputTargets,
-            nsecs_t* nextWakeupTime, bool* outConflictingPointerActions) REQUIRES(mLock);
+    sp<android::gui::WindowInfoHandle> findFocusedWindowTargetLocked(
+            nsecs_t currentTime, const EventEntry& entry, nsecs_t* nextWakeupTime,
+            android::os::InputEventInjectionResult& outInjectionResult) REQUIRES(mLock);
+    std::vector<TouchedWindow> findTouchedWindowTargetsLocked(
+            nsecs_t currentTime, const MotionEntry& entry, bool* outConflictingPointerActions,
+            android::os::InputEventInjectionResult& outInjectionResult) REQUIRES(mLock);
     std::vector<Monitor> selectResponsiveMonitorsLocked(
             const std::vector<Monitor>& gestureMonitors) const REQUIRES(mLock);
 
     void addWindowTargetLocked(const sp<android::gui::WindowInfoHandle>& windowHandle,
-                               int32_t targetFlags, BitSet32 pointerIds,
-                               std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
+                               ftl::Flags<InputTarget::Flags> targetFlags, BitSet32 pointerIds,
+                               std::optional<nsecs_t> firstDownTimeInTarget,
+                               std::vector<InputTarget>& inputTargets) const REQUIRES(mLock);
     void addGlobalMonitoringTargetsLocked(std::vector<InputTarget>& inputTargets, int32_t displayId)
             REQUIRES(mLock);
     void pokeUserActivityLocked(const EventEntry& eventEntry) REQUIRES(mLock);
@@ -595,8 +600,9 @@ private:
                                       std::shared_ptr<EventEntry>, const InputTarget& inputTarget)
             REQUIRES(mLock);
     void enqueueDispatchEntryLocked(const sp<Connection>& connection, std::shared_ptr<EventEntry>,
-                                    const InputTarget& inputTarget, int32_t dispatchMode)
-            REQUIRES(mLock);
+                                    const InputTarget& inputTarget,
+                                    ftl::Flags<InputTarget::Flags> dispatchMode) REQUIRES(mLock);
+    status_t publishMotionEvent(Connection& connection, DispatchEntry& dispatchEntry) const;
     void startDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection)
             REQUIRES(mLock);
     void finishDispatchCycleLocked(nsecs_t currentTime, const sp<Connection>& connection,
@@ -621,12 +627,14 @@ private:
                                                         const CancelationOptions& options)
             REQUIRES(mLock);
 
-    void synthesizePointerDownEventsForConnectionLocked(const sp<Connection>& connection)
+    void synthesizePointerDownEventsForConnectionLocked(const nsecs_t downTime,
+                                                        const sp<Connection>& connection)
             REQUIRES(mLock);
 
-    // Splitting motion events across windows.
+    // Splitting motion events across windows. When splitting motion event for a target,
+    // splitDownTime refers to the time of first 'down' event on that particular target
     std::unique_ptr<MotionEntry> splitMotionEvent(const MotionEntry& originalMotionEntry,
-                                                  BitSet32 pointerIds);
+                                                  BitSet32 pointerIds, nsecs_t splitDownTime);
 
     // Reset and drop everything the dispatcher is doing.
     void resetAndDropEverythingLocked(const char* reason) REQUIRES(mLock);
@@ -652,7 +660,6 @@ private:
     void sendFocusChangedCommandLocked(const sp<IBinder>& oldToken, const sp<IBinder>& newToken)
             REQUIRES(mLock);
     void sendDropWindowCommandLocked(const sp<IBinder>& token, float x, float y) REQUIRES(mLock);
-    void sendUntrustedTouchCommandLocked(const std::string& obscuringPackage) REQUIRES(mLock);
     void onAnrLocked(const sp<Connection>& connection) REQUIRES(mLock);
     void onAnrLocked(std::shared_ptr<InputApplicationHandle> application) REQUIRES(mLock);
     void updateLastAnrStateLocked(const sp<android::gui::WindowInfoHandle>& window,
@@ -669,8 +676,8 @@ private:
                                              bool handled) REQUIRES(mLock);
 
     // Find touched state and touched window by token.
-    std::pair<TouchState*, TouchedWindow*> findTouchStateAndWindowLocked(const sp<IBinder>& token)
-            REQUIRES(mLock);
+    std::tuple<TouchState*, TouchedWindow*, int32_t /*displayId*/>
+    findTouchStateWindowAndDisplayLocked(const sp<IBinder>& token) REQUIRES(mLock);
 
     // Statistics gathering.
     LatencyAggregator mLatencyAggregator GUARDED_BY(mLock);
@@ -687,5 +694,3 @@ private:
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_DISPATCHER_H
diff --git a/services/inputflinger/dispatcher/InputEventTimeline.h b/services/inputflinger/dispatcher/InputEventTimeline.h
index 77b8472f89..daf375d918 100644
--- a/services/inputflinger/dispatcher/InputEventTimeline.h
+++ b/services/inputflinger/dispatcher/InputEventTimeline.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
+#pragma once
 
 #include <binder/IBinder.h>
 #include <input/Input.h>
@@ -104,5 +103,3 @@ public:
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
diff --git a/services/inputflinger/dispatcher/InputState.cpp b/services/inputflinger/dispatcher/InputState.cpp
index f46a8bce7e..563868d10e 100644
--- a/services/inputflinger/dispatcher/InputState.cpp
+++ b/services/inputflinger/dispatcher/InputState.cpp
@@ -286,19 +286,30 @@ std::vector<std::unique_ptr<EventEntry>> InputState::synthesizeCancelationEvents
 
     for (const MotionMemento& memento : mMotionMementos) {
         if (shouldCancelMotion(memento, options)) {
-            const int32_t action = memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT
-                                                    : AMOTION_EVENT_ACTION_CANCEL;
-            events.push_back(
-                    std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
-                                                  memento.deviceId, memento.source,
-                                                  memento.displayId, memento.policyFlags, action,
-                                                  0 /*actionButton*/, memento.flags, AMETA_NONE,
-                                                  0 /*buttonState*/, MotionClassification::NONE,
-                                                  AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
-                                                  memento.yPrecision, memento.xCursorPosition,
-                                                  memento.yCursorPosition, memento.downTime,
-                                                  memento.pointerCount, memento.pointerProperties,
-                                                  memento.pointerCoords));
+            if (options.pointerIds == std::nullopt) {
+                const int32_t action = memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT
+                                                        : AMOTION_EVENT_ACTION_CANCEL;
+                events.push_back(
+                        std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
+                                                      memento.deviceId, memento.source,
+                                                      memento.displayId, memento.policyFlags,
+                                                      action, 0 /*actionButton*/, memento.flags,
+                                                      AMETA_NONE, 0 /*buttonState*/,
+                                                      MotionClassification::NONE,
+                                                      AMOTION_EVENT_EDGE_FLAG_NONE,
+                                                      memento.xPrecision, memento.yPrecision,
+                                                      memento.xCursorPosition,
+                                                      memento.yCursorPosition, memento.downTime,
+                                                      memento.pointerCount,
+                                                      memento.pointerProperties,
+                                                      memento.pointerCoords));
+            } else {
+                std::vector<std::unique_ptr<MotionEntry>> pointerCancelEvents =
+                        synthesizeCancelationEventsForPointers(memento, options.pointerIds.value(),
+                                                               currentTime);
+                events.insert(events.end(), std::make_move_iterator(pointerCancelEvents.begin()),
+                              std::make_move_iterator(pointerCancelEvents.end()));
+            }
         }
     }
     return events;
@@ -359,6 +370,73 @@ std::vector<std::unique_ptr<EventEntry>> InputState::synthesizePointerDownEvents
     return events;
 }
 
+std::vector<std::unique_ptr<MotionEntry>> InputState::synthesizeCancelationEventsForPointers(
+        const MotionMemento& memento, const BitSet32 pointerIds, nsecs_t currentTime) {
+    std::vector<std::unique_ptr<MotionEntry>> events;
+    std::vector<uint32_t> canceledPointerIndices;
+    std::vector<PointerProperties> pointerProperties(MAX_POINTERS);
+    std::vector<PointerCoords> pointerCoords(MAX_POINTERS);
+    for (uint32_t pointerIdx = 0; pointerIdx < memento.pointerCount; pointerIdx++) {
+        uint32_t pointerId = uint32_t(memento.pointerProperties[pointerIdx].id);
+        pointerProperties[pointerIdx].copyFrom(memento.pointerProperties[pointerIdx]);
+        pointerCoords[pointerIdx].copyFrom(memento.pointerCoords[pointerIdx]);
+        if (pointerIds.hasBit(pointerId)) {
+            canceledPointerIndices.push_back(pointerIdx);
+        }
+    }
+
+    if (canceledPointerIndices.size() == memento.pointerCount) {
+        const int32_t action =
+                memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT : AMOTION_EVENT_ACTION_CANCEL;
+        events.push_back(
+                std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime, memento.deviceId,
+                                              memento.source, memento.displayId,
+                                              memento.policyFlags, action, 0 /*actionButton*/,
+                                              memento.flags, AMETA_NONE, 0 /*buttonState*/,
+                                              MotionClassification::NONE,
+                                              AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
+                                              memento.yPrecision, memento.xCursorPosition,
+                                              memento.yCursorPosition, memento.downTime,
+                                              memento.pointerCount, memento.pointerProperties,
+                                              memento.pointerCoords));
+    } else {
+        // If we aren't canceling all pointers, we need to generated ACTION_POINTER_UP with
+        // FLAG_CANCELED for each of the canceled pointers. For each event, we must remove the
+        // previously canceled pointers from PointerProperties and PointerCoords, and update
+        // pointerCount appropriately. For convenience, sort the canceled pointer indices so that we
+        // can just slide the remaining pointers to the beginning of the array when a pointer is
+        // canceled.
+        std::sort(canceledPointerIndices.begin(), canceledPointerIndices.end(),
+                  std::greater<uint32_t>());
+
+        uint32_t pointerCount = memento.pointerCount;
+        for (const uint32_t pointerIdx : canceledPointerIndices) {
+            const int32_t action = pointerCount == 1 ? AMOTION_EVENT_ACTION_CANCEL
+                                                     : AMOTION_EVENT_ACTION_POINTER_UP |
+                            (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+            events.push_back(
+                    std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
+                                                  memento.deviceId, memento.source,
+                                                  memento.displayId, memento.policyFlags, action,
+                                                  0 /*actionButton*/,
+                                                  memento.flags | AMOTION_EVENT_FLAG_CANCELED,
+                                                  AMETA_NONE, 0 /*buttonState*/,
+                                                  MotionClassification::NONE,
+                                                  AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
+                                                  memento.yPrecision, memento.xCursorPosition,
+                                                  memento.yCursorPosition, memento.downTime,
+                                                  pointerCount, pointerProperties.data(),
+                                                  pointerCoords.data()));
+
+            // Cleanup pointer information
+            pointerProperties.erase(pointerProperties.begin() + pointerIdx);
+            pointerCoords.erase(pointerCoords.begin() + pointerIdx);
+            pointerCount--;
+        }
+    }
+    return events;
+}
+
 void InputState::clear() {
     mKeyMementos.clear();
     mMotionMementos.clear();
@@ -422,10 +500,10 @@ bool InputState::shouldCancelKey(const KeyMemento& memento, const CancelationOpt
     }
 
     switch (options.mode) {
-        case CancelationOptions::CANCEL_ALL_EVENTS:
-        case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_ALL_EVENTS:
+        case CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS:
             return true;
-        case CancelationOptions::CANCEL_FALLBACK_EVENTS:
+        case CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS:
             return memento.flags & AKEY_EVENT_FLAG_FALLBACK;
         default:
             return false;
@@ -443,11 +521,11 @@ bool InputState::shouldCancelMotion(const MotionMemento& memento,
     }
 
     switch (options.mode) {
-        case CancelationOptions::CANCEL_ALL_EVENTS:
+        case CancelationOptions::Mode::CANCEL_ALL_EVENTS:
             return true;
-        case CancelationOptions::CANCEL_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_POINTER_EVENTS:
             return memento.source & AINPUT_SOURCE_CLASS_POINTER;
-        case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS:
             return !(memento.source & AINPUT_SOURCE_CLASS_POINTER);
         default:
             return false;
diff --git a/services/inputflinger/dispatcher/InputState.h b/services/inputflinger/dispatcher/InputState.h
index 74ae21f76a..6ab48c9273 100644
--- a/services/inputflinger/dispatcher/InputState.h
+++ b/services/inputflinger/dispatcher/InputState.h
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
+#pragma once
 
 #include "CancelationOptions.h"
 #include "Entry.h"
 
 #include <utils/Timers.h>
 
-namespace android::inputdispatcher {
+namespace android {
+namespace inputdispatcher {
 
 static constexpr int32_t INVALID_POINTER_INDEX = -1;
 
@@ -125,8 +125,11 @@ private:
 
     static bool shouldCancelKey(const KeyMemento& memento, const CancelationOptions& options);
     static bool shouldCancelMotion(const MotionMemento& memento, const CancelationOptions& options);
-};
 
-} // namespace android::inputdispatcher
+    // Synthesizes pointer cancel events for a particular set of pointers.
+    std::vector<std::unique_ptr<MotionEntry>> synthesizeCancelationEventsForPointers(
+            const MotionMemento& memento, const BitSet32 pointerIds, nsecs_t currentTime);
+};
 
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
+} // namespace inputdispatcher
+} // namespace android
diff --git a/services/inputflinger/dispatcher/InputTarget.cpp b/services/inputflinger/dispatcher/InputTarget.cpp
index 2df97d9a12..2f39480555 100644
--- a/services/inputflinger/dispatcher/InputTarget.cpp
+++ b/services/inputflinger/dispatcher/InputTarget.cpp
@@ -24,24 +24,6 @@ using android::base::StringPrintf;
 
 namespace android::inputdispatcher {
 
-std::string dispatchModeToString(int32_t dispatchMode) {
-    switch (dispatchMode) {
-        case InputTarget::FLAG_DISPATCH_AS_IS:
-            return "DISPATCH_AS_IS";
-        case InputTarget::FLAG_DISPATCH_AS_OUTSIDE:
-            return "DISPATCH_AS_OUTSIDE";
-        case InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER:
-            return "DISPATCH_AS_HOVER_ENTER";
-        case InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT:
-            return "DISPATCH_AS_HOVER_EXIT";
-        case InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT:
-            return "DISPATCH_AS_SLIPPERY_EXIT";
-        case InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER:
-            return "DISPATCH_AS_SLIPPERY_ENTER";
-    }
-    return StringPrintf("%" PRId32, dispatchMode);
-}
-
 void InputTarget::addPointers(BitSet32 newPointerIds, const ui::Transform& transform) {
     // The pointerIds can be empty, but still a valid InputTarget. This can happen when there is no
     // valid pointer property from the input event.
diff --git a/services/inputflinger/dispatcher/InputTarget.h b/services/inputflinger/dispatcher/InputTarget.h
index 0725389ed6..61b07feb3a 100644
--- a/services/inputflinger/dispatcher/InputTarget.h
+++ b/services/inputflinger/dispatcher/InputTarget.h
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
+#pragma once
 
+#include <ftl/flags.h>
 #include <gui/constants.h>
 #include <input/InputTransport.h>
 #include <ui/Transform.h>
@@ -31,70 +31,70 @@ namespace android::inputdispatcher {
  * window area.
  */
 struct InputTarget {
-    enum {
+    enum class Flags : uint32_t {
         /* This flag indicates that the event is being delivered to a foreground application. */
-        FLAG_FOREGROUND = 1 << 0,
+        FOREGROUND = 1 << 0,
 
         /* This flag indicates that the MotionEvent falls within the area of the target
          * obscured by another visible window above it.  The motion event should be
          * delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
-        FLAG_WINDOW_IS_OBSCURED = 1 << 1,
+        WINDOW_IS_OBSCURED = 1 << 1,
 
         /* This flag indicates that a motion event is being split across multiple windows. */
-        FLAG_SPLIT = 1 << 2,
+        SPLIT = 1 << 2,
 
         /* This flag indicates that the pointer coordinates dispatched to the application
          * will be zeroed out to avoid revealing information to an application. This is
          * used in conjunction with FLAG_DISPATCH_AS_OUTSIDE to prevent apps not sharing
          * the same UID from watching all touches. */
-        FLAG_ZERO_COORDS = 1 << 3,
+        ZERO_COORDS = 1 << 3,
 
         /* This flag indicates that the event should be sent as is.
          * Should always be set unless the event is to be transmuted. */
-        FLAG_DISPATCH_AS_IS = 1 << 8,
+        DISPATCH_AS_IS = 1 << 8,
 
         /* This flag indicates that a MotionEvent with AMOTION_EVENT_ACTION_DOWN falls outside
          * of the area of this target and so should instead be delivered as an
          * AMOTION_EVENT_ACTION_OUTSIDE to this target. */
-        FLAG_DISPATCH_AS_OUTSIDE = 1 << 9,
+        DISPATCH_AS_OUTSIDE = 1 << 9,
 
         /* This flag indicates that a hover sequence is starting in the given window.
          * The event is transmuted into ACTION_HOVER_ENTER. */
-        FLAG_DISPATCH_AS_HOVER_ENTER = 1 << 10,
+        DISPATCH_AS_HOVER_ENTER = 1 << 10,
 
         /* This flag indicates that a hover event happened outside of a window which handled
          * previous hover events, signifying the end of the current hover sequence for that
          * window.
          * The event is transmuted into ACTION_HOVER_ENTER. */
-        FLAG_DISPATCH_AS_HOVER_EXIT = 1 << 11,
+        DISPATCH_AS_HOVER_EXIT = 1 << 11,
 
         /* This flag indicates that the event should be canceled.
          * It is used to transmute ACTION_MOVE into ACTION_CANCEL when a touch slips
          * outside of a window. */
-        FLAG_DISPATCH_AS_SLIPPERY_EXIT = 1 << 12,
+        DISPATCH_AS_SLIPPERY_EXIT = 1 << 12,
 
         /* This flag indicates that the event should be dispatched as an initial down.
          * It is used to transmute ACTION_MOVE into ACTION_DOWN when a touch slips
          * into a new window. */
-        FLAG_DISPATCH_AS_SLIPPERY_ENTER = 1 << 13,
-
-        /* Mask for all dispatch modes. */
-        FLAG_DISPATCH_MASK = FLAG_DISPATCH_AS_IS | FLAG_DISPATCH_AS_OUTSIDE |
-                FLAG_DISPATCH_AS_HOVER_ENTER | FLAG_DISPATCH_AS_HOVER_EXIT |
-                FLAG_DISPATCH_AS_SLIPPERY_EXIT | FLAG_DISPATCH_AS_SLIPPERY_ENTER,
+        DISPATCH_AS_SLIPPERY_ENTER = 1 << 13,
 
         /* This flag indicates that the target of a MotionEvent is partly or wholly
          * obscured by another visible window above it.  The motion event should be
          * delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED. */
-        FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 1 << 14,
-
+        WINDOW_IS_PARTIALLY_OBSCURED = 1 << 14,
     };
 
+    /* Mask for all dispatch modes. */
+    static constexpr const ftl::Flags<InputTarget::Flags> DISPATCH_MASK =
+            ftl::Flags<InputTarget::Flags>() | Flags::DISPATCH_AS_IS | Flags::DISPATCH_AS_OUTSIDE |
+            Flags::DISPATCH_AS_HOVER_ENTER | Flags::DISPATCH_AS_HOVER_EXIT |
+            Flags::DISPATCH_AS_SLIPPERY_EXIT | Flags::DISPATCH_AS_SLIPPERY_ENTER;
+
     // The input channel to be targeted.
     std::shared_ptr<InputChannel> inputChannel;
 
     // Flags for the input target.
-    int32_t flags = 0;
+    ftl::Flags<Flags> flags;
 
     // Scaling factor to apply to MotionEvent as it is delivered.
     // (ignored for KeyEvents)
@@ -106,6 +106,9 @@ struct InputTarget {
     // The subset of pointer ids to include in motion events dispatched to this input target
     // if FLAG_SPLIT is set.
     BitSet32 pointerIds;
+    // Event time for the first motion event (ACTION_DOWN) dispatched to this input target if
+    // FLAG_SPLIT is set.
+    std::optional<nsecs_t> firstDownTimeInTarget;
     // The data is stored by the pointerId. Use the bit position of pointerIds to look up
     // Transform per pointerId.
     ui::Transform pointerTransforms[MAX_POINTERS];
@@ -133,5 +136,3 @@ struct InputTarget {
 std::string dispatchModeToString(int32_t dispatchMode);
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
diff --git a/services/inputflinger/dispatcher/LatencyAggregator.h b/services/inputflinger/dispatcher/LatencyAggregator.h
index ed5731f8d9..accfc29d8e 100644
--- a/services/inputflinger/dispatcher/LatencyAggregator.h
+++ b/services/inputflinger/dispatcher/LatencyAggregator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
-#define _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
+#pragma once
 
 #include <kll.h>
 #include <statslog.h>
@@ -86,5 +85,3 @@ private:
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
diff --git a/services/inputflinger/dispatcher/LatencyTracker.h b/services/inputflinger/dispatcher/LatencyTracker.h
index 4b0c618590..64dfeef20d 100644
--- a/services/inputflinger/dispatcher/LatencyTracker.h
+++ b/services/inputflinger/dispatcher/LatencyTracker.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
-#define _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
+#pragma once
 
 #include <map>
 #include <unordered_map>
@@ -81,5 +80,3 @@ private:
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
diff --git a/services/inputflinger/dispatcher/Monitor.h b/services/inputflinger/dispatcher/Monitor.h
index 365d5bee4c..7b511915d0 100644
--- a/services/inputflinger/dispatcher/Monitor.h
+++ b/services/inputflinger/dispatcher/Monitor.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_MONITOR_H
-#define _UI_INPUT_INPUTDISPATCHER_MONITOR_H
+#pragma once
 
 #include <input/InputTransport.h>
 
@@ -30,5 +29,3 @@ struct Monitor {
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_MONITOR_H
diff --git a/services/inputflinger/dispatcher/TouchState.cpp b/services/inputflinger/dispatcher/TouchState.cpp
index 61e78ccbe4..c21af9e0b5 100644
--- a/services/inputflinger/dispatcher/TouchState.cpp
+++ b/services/inputflinger/dispatcher/TouchState.cpp
@@ -14,12 +14,14 @@
  * limitations under the License.
  */
 
+#include <android-base/stringprintf.h>
 #include <gui/WindowInfo.h>
 
 #include "InputTarget.h"
-
 #include "TouchState.h"
 
+using namespace android::ftl::flag_operators;
+using android::base::StringPrintf;
 using android::gui::WindowInfo;
 using android::gui::WindowInfoHandle;
 
@@ -29,30 +31,31 @@ void TouchState::reset() {
     *this = TouchState();
 }
 
-void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle, int32_t targetFlags,
-                                   BitSet32 pointerIds) {
-    if (targetFlags & InputTarget::FLAG_SPLIT) {
-        split = true;
-    }
-
-    for (size_t i = 0; i < windows.size(); i++) {
-        TouchedWindow& touchedWindow = windows[i];
+void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle,
+                                   ftl::Flags<InputTarget::Flags> targetFlags, BitSet32 pointerIds,
+                                   std::optional<nsecs_t> eventTime) {
+    for (TouchedWindow& touchedWindow : windows) {
         if (touchedWindow.windowHandle == windowHandle) {
             touchedWindow.targetFlags |= targetFlags;
-            if (targetFlags & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
-                touchedWindow.targetFlags &= ~InputTarget::FLAG_DISPATCH_AS_IS;
+            if (targetFlags.test(InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT)) {
+                touchedWindow.targetFlags.clear(InputTarget::Flags::DISPATCH_AS_IS);
             }
+            // For cases like hover enter/exit or DISPATCH_AS_OUTSIDE a touch window might not have
+            // downTime set initially. Need to update existing window when an pointer is down for
+            // the window.
             touchedWindow.pointerIds.value |= pointerIds.value;
+            if (!touchedWindow.firstDownTimeInTarget.has_value()) {
+                touchedWindow.firstDownTimeInTarget = eventTime;
+            }
             return;
         }
     }
 
-    if (preventNewTargets) return; // Don't add new TouchedWindows.
-
     TouchedWindow touchedWindow;
     touchedWindow.windowHandle = windowHandle;
     touchedWindow.targetFlags = targetFlags;
     touchedWindow.pointerIds = pointerIds;
+    touchedWindow.firstDownTimeInTarget = eventTime;
     windows.push_back(touchedWindow);
 }
 
@@ -68,10 +71,10 @@ void TouchState::removeWindowByToken(const sp<IBinder>& token) {
 void TouchState::filterNonAsIsTouchWindows() {
     for (size_t i = 0; i < windows.size();) {
         TouchedWindow& window = windows[i];
-        if (window.targetFlags &
-            (InputTarget::FLAG_DISPATCH_AS_IS | InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER)) {
-            window.targetFlags &= ~InputTarget::FLAG_DISPATCH_MASK;
-            window.targetFlags |= InputTarget::FLAG_DISPATCH_AS_IS;
+        if (window.targetFlags.any(InputTarget::Flags::DISPATCH_AS_IS |
+                                   InputTarget::Flags::DISPATCH_AS_SLIPPERY_ENTER)) {
+            window.targetFlags.clear(InputTarget::DISPATCH_MASK);
+            window.targetFlags |= InputTarget::Flags::DISPATCH_AS_IS;
             i += 1;
         } else {
             windows.erase(windows.begin() + i);
@@ -79,15 +82,31 @@ void TouchState::filterNonAsIsTouchWindows() {
     }
 }
 
-void TouchState::filterWindowsExcept(const sp<IBinder>& token) {
-    std::erase_if(windows,
-                  [&token](const TouchedWindow& w) { return w.windowHandle->getToken() != token; });
+void TouchState::cancelPointersForWindowsExcept(const BitSet32 pointerIds,
+                                                const sp<IBinder>& token) {
+    if (pointerIds.isEmpty()) return;
+    std::for_each(windows.begin(), windows.end(), [&pointerIds, &token](TouchedWindow& w) {
+        if (w.windowHandle->getToken() != token) {
+            w.pointerIds &= BitSet32(~pointerIds.value);
+        }
+    });
+    std::erase_if(windows, [](const TouchedWindow& w) { return w.pointerIds.isEmpty(); });
+}
+
+void TouchState::cancelPointersForNonPilferingWindows(const BitSet32 pointerIds) {
+    if (pointerIds.isEmpty()) return;
+    std::for_each(windows.begin(), windows.end(), [&pointerIds](TouchedWindow& w) {
+        if (!w.isPilferingPointers) {
+            w.pointerIds &= BitSet32(~pointerIds.value);
+        }
+    });
+    std::erase_if(windows, [](const TouchedWindow& w) { return w.pointerIds.isEmpty(); });
 }
 
 sp<WindowInfoHandle> TouchState::getFirstForegroundWindowHandle() const {
     for (size_t i = 0; i < windows.size(); i++) {
         const TouchedWindow& window = windows[i];
-        if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
+        if (window.targetFlags.test(InputTarget::Flags::FOREGROUND)) {
             return window.windowHandle;
         }
     }
@@ -98,7 +117,7 @@ bool TouchState::isSlippery() const {
     // Must have exactly one foreground window.
     bool haveSlipperyForegroundWindow = false;
     for (const TouchedWindow& window : windows) {
-        if (window.targetFlags & InputTarget::FLAG_FOREGROUND) {
+        if (window.targetFlags.test(InputTarget::Flags::FOREGROUND)) {
             if (haveSlipperyForegroundWindow ||
                 !window.windowHandle->getInfo()->inputConfig.test(
                         WindowInfo::InputConfig::SLIPPERY)) {
@@ -121,14 +140,25 @@ sp<WindowInfoHandle> TouchState::getWallpaperWindow() const {
     return nullptr;
 }
 
-sp<WindowInfoHandle> TouchState::getWindow(const sp<IBinder>& token) const {
-    for (const TouchedWindow& touchedWindow : windows) {
-        const auto& windowHandle = touchedWindow.windowHandle;
-        if (windowHandle->getToken() == token) {
-            return windowHandle;
+bool TouchState::isDown() const {
+    return std::any_of(windows.begin(), windows.end(),
+                       [](const TouchedWindow& window) { return !window.pointerIds.isEmpty(); });
+}
+
+std::string TouchState::dump() const {
+    std::string out;
+    out += StringPrintf("deviceId=%d, source=%s\n", deviceId,
+                        inputEventSourceToString(source).c_str());
+    if (!windows.empty()) {
+        out += "  Windows:\n";
+        for (size_t i = 0; i < windows.size(); i++) {
+            const TouchedWindow& touchedWindow = windows[i];
+            out += StringPrintf("    %zu : ", i) + touchedWindow.dump();
         }
+    } else {
+        out += "  Windows: <none>\n";
     }
-    return nullptr;
+    return out;
 }
 
 } // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/TouchState.h b/services/inputflinger/dispatcher/TouchState.h
index 9efb2808c5..77c1cdf50a 100644
--- a/services/inputflinger/dispatcher/TouchState.h
+++ b/services/inputflinger/dispatcher/TouchState.h
@@ -14,10 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
+#pragma once
 
-#include "Monitor.h"
 #include "TouchedWindow.h"
 
 namespace android {
@@ -29,16 +27,10 @@ class WindowInfoHandle;
 namespace inputdispatcher {
 
 struct TouchState {
-    bool down = false;
-    bool split = false;
-    bool preventNewTargets = false;
-
     // id of the device that is currently down, others are rejected
     int32_t deviceId = -1;
     // source of the device that is current down, others are rejected
     uint32_t source = 0;
-    // id to the display that currently has a touch, others are rejected
-    int32_t displayId = ADISPLAY_ID_NONE;
 
     std::vector<TouchedWindow> windows;
 
@@ -48,17 +40,24 @@ struct TouchState {
 
     void reset();
     void addOrUpdateWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
-                           int32_t targetFlags, BitSet32 pointerIds);
+                           ftl::Flags<InputTarget::Flags> targetFlags, BitSet32 pointerIds,
+                           std::optional<nsecs_t> eventTime = std::nullopt);
     void removeWindowByToken(const sp<IBinder>& token);
     void filterNonAsIsTouchWindows();
-    void filterWindowsExcept(const sp<IBinder>& token);
+
+    // Cancel pointers for current set of windows except the window with particular binder token.
+    void cancelPointersForWindowsExcept(const BitSet32 pointerIds, const sp<IBinder>& token);
+    // Cancel pointers for current set of non-pilfering windows i.e. windows with isPilferingWindow
+    // set to false.
+    void cancelPointersForNonPilferingWindows(const BitSet32 pointerIds);
+
     sp<android::gui::WindowInfoHandle> getFirstForegroundWindowHandle() const;
     bool isSlippery() const;
     sp<android::gui::WindowInfoHandle> getWallpaperWindow() const;
-    sp<android::gui::WindowInfoHandle> getWindow(const sp<IBinder>&) const;
+    // Whether any of the windows are currently being touched
+    bool isDown() const;
+    std::string dump() const;
 };
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
diff --git a/services/inputflinger/dispatcher/TouchedWindow.cpp b/services/inputflinger/dispatcher/TouchedWindow.cpp
new file mode 100644
index 0000000000..af745988ad
--- /dev/null
+++ b/services/inputflinger/dispatcher/TouchedWindow.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TouchedWindow.h"
+
+#include <android-base/stringprintf.h>
+#include <input/PrintTools.h>
+
+using android::base::StringPrintf;
+
+namespace android {
+
+namespace inputdispatcher {
+
+std::string TouchedWindow::dump() const {
+    return StringPrintf("name='%s', pointerIds=0x%0x, "
+                        "targetFlags=%s, firstDownTimeInTarget=%s\n",
+                        windowHandle->getName().c_str(), pointerIds.value,
+                        targetFlags.string().c_str(), toString(firstDownTimeInTarget).c_str());
+}
+
+} // namespace inputdispatcher
+} // namespace android
diff --git a/services/inputflinger/dispatcher/TouchedWindow.h b/services/inputflinger/dispatcher/TouchedWindow.h
index 6783022ca1..dd08323dd4 100644
--- a/services/inputflinger/dispatcher/TouchedWindow.h
+++ b/services/inputflinger/dispatcher/TouchedWindow.h
@@ -14,25 +14,27 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
-#define _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
+#pragma once
 
-namespace android {
+#include <gui/WindowInfo.h>
+#include <utils/BitSet.h>
+#include "InputTarget.h"
 
-namespace gui {
-class WindowInfoHandle;
-}
+namespace android {
 
 namespace inputdispatcher {
 
 // Focus tracking for touch.
 struct TouchedWindow {
     sp<gui::WindowInfoHandle> windowHandle;
-    int32_t targetFlags;
+    ftl::Flags<InputTarget::Flags> targetFlags;
     BitSet32 pointerIds;
+    bool isPilferingPointers = false;
+    // Time at which the first action down occurred on this window.
+    // NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE scenario.
+    std::optional<nsecs_t> firstDownTimeInTarget;
+    std::string dump() const;
 };
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h b/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
index 00abf47cd2..5eb3a32ef9 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
+#pragma once
 
 #include <utils/Timers.h>
 
@@ -40,5 +39,3 @@ struct InputDispatcherConfiguration {
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherFactory.h b/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
index 38d0c32529..5247d8eabb 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
+#pragma once
 
 #include <utils/StrongPointer.h>
 
@@ -29,5 +28,3 @@ std::unique_ptr<InputDispatcherInterface> createInputDispatcher(
         const sp<InputDispatcherPolicyInterface>& policy);
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 67fed8b4f1..76dce63aac 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -14,13 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
+#pragma once
 
 #include <InputListener.h>
 #include <android-base/result.h>
 #include <android/gui/FocusRequest.h>
-#include <android/os/BlockUntrustedTouchesMode.h>
+
 #include <android/os/InputEventInjectionResult.h>
 #include <android/os/InputEventInjectionSync.h>
 #include <gui/InputApplication.h>
@@ -126,13 +125,17 @@ public:
 
     /**
      * Set the touch mode state.
-     * Touch mode is a global state that apps may enter / exit based on specific
-     * user interactions with input devices.
-     * If true, the device is in touch mode.
+     * Touch mode is a per display state that apps may enter / exit based on specific user
+     * interactions with input devices. If <code>inTouchMode</code> is set to true, the display
+     * identified by <code>displayId</code> will be changed to touch mode. Performs a permission
+     * check if hasPermission is set to false.
+     *
+     * This method also enqueues a a TouchModeEntry message for dispatching.
      *
      * Returns true when changing touch mode state.
      */
-    virtual bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) = 0;
+    virtual bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                                int32_t displayId) = 0;
 
     /**
      * Sets the maximum allowed obscuring opacity by UID to propagate touches.
@@ -142,13 +145,6 @@ public:
      */
     virtual void setMaximumObscuringOpacityForTouch(float opacity) = 0;
 
-    /**
-     * Sets the mode of the block untrusted touches feature.
-     *
-     * TODO(b/169067926): Clean-up feature modes.
-     */
-    virtual void setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode mode) = 0;
-
     /* Transfers touch focus from one window to another window.
      *
      * Returns true on success.  False if the window did not actually have touch focus.
@@ -232,5 +228,3 @@ public:
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index 575b3d7059..7843923a1f 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
+#pragma once
 
 #include "InputDispatcherConfiguration.h"
 
@@ -75,9 +74,6 @@ public:
                                       InputDeviceSensorAccuracy accuracy) = 0;
     virtual void notifyVibratorState(int32_t deviceId, bool isOn) = 0;
 
-    /* Notifies the system that an untrusted touch occurred. */
-    virtual void notifyUntrustedTouch(const std::string& obscuringPackage) = 0;
-
     /* Gets the input dispatcher configuration. */
     virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) = 0;
 
@@ -143,5 +139,3 @@ public:
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
diff --git a/services/inputflinger/host/InputDriver.cpp b/services/inputflinger/host/InputDriver.cpp
index 2ebdbcfcc4..97d57e4bd0 100644
--- a/services/inputflinger/host/InputDriver.cpp
+++ b/services/inputflinger/host/InputDriver.cpp
@@ -240,19 +240,16 @@ input_property_map_t* InputDriver::inputGetDevicePropertyMap(input_device_identi
     return nullptr;
 }
 
-input_property_t* InputDriver::inputGetDeviceProperty(input_property_map_t* map,
-        const char* key) {
-    String8 keyString(key);
+input_property_t* InputDriver::inputGetDeviceProperty(input_property_map_t* map, const char* key) {
     if (map != nullptr) {
-        if (map->propertyMap->hasProperty(keyString)) {
-            auto prop = new input_property_t();
-            if (!map->propertyMap->tryGetProperty(keyString, prop->value)) {
-                delete prop;
-                return nullptr;
-            }
-            prop->key = keyString;
-            return prop;
+        std::string value;
+        auto prop = std::make_unique<input_property_t>();
+        if (!map->propertyMap->tryGetProperty(key, value)) {
+            return nullptr;
         }
+        prop->key = key;
+        prop->value = value.c_str();
+        return prop.release();
     }
     return nullptr;
 }
diff --git a/services/inputflinger/host/InputDriver.h b/services/inputflinger/host/InputDriver.h
index e56673b4d3..b4c90943a8 100644
--- a/services/inputflinger/host/InputDriver.h
+++ b/services/inputflinger/host/InputDriver.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_DRIVER_H
-#define ANDROID_INPUT_DRIVER_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -192,4 +191,3 @@ void input_free_device_property_map(input_host_t* host, input_property_map_t* ma
 }
 
 } // namespace android
-#endif // ANDROID_INPUT_DRIVER_H
diff --git a/services/inputflinger/host/InputFlinger.h b/services/inputflinger/host/InputFlinger.h
index 3cf1b2b797..388988bfce 100644
--- a/services/inputflinger/host/InputFlinger.h
+++ b/services/inputflinger/host/InputFlinger.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_FLINGER_H
-#define ANDROID_INPUT_FLINGER_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -58,5 +57,3 @@ private:
 };
 
 } // namespace android
-
-#endif // ANDROID_INPUT_FLINGER_H
diff --git a/services/inputflinger/host/InputHost.h b/services/inputflinger/host/InputHost.h
index eda4a89c73..bdc4225738 100644
--- a/services/inputflinger/host/InputHost.h
+++ b/services/inputflinger/host/InputHost.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_HOST_H
-#define ANDROID_INPUT_HOST_H
+#pragma once
 
 #include <vector>
 
@@ -55,4 +54,3 @@ private:
 };
 
 } // namespace android
-#endif // ANDRIOD_INPUT_HOST_H
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index d9822ce156..1bb19686e7 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -14,237 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_LISTENER_H
-#define _UI_INPUT_LISTENER_H
+#pragma once
 
 #include <vector>
 
 #include <input/Input.h>
 #include <input/InputDevice.h>
 #include <input/TouchVideoFrame.h>
+#include "NotifyArgs.h"
 
 namespace android {
 
-class InputListenerInterface;
-
-
-/* Superclass of all input event argument objects */
-struct NotifyArgs {
-    int32_t id;
-    nsecs_t eventTime;
-
-    inline NotifyArgs() : id(0), eventTime(0) {}
-
-    inline explicit NotifyArgs(int32_t id, nsecs_t eventTime) : id(id), eventTime(eventTime) {}
-
-    virtual ~NotifyArgs() { }
-
-    virtual void notify(InputListenerInterface& listener) const = 0;
-};
-
-
-/* Describes a configuration change event. */
-struct NotifyConfigurationChangedArgs : public NotifyArgs {
-
-    inline NotifyConfigurationChangedArgs() { }
-
-    bool operator==(const NotifyConfigurationChangedArgs& rhs) const;
-
-    NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime);
-
-    NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
-
-    virtual ~NotifyConfigurationChangedArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a key event. */
-struct NotifyKeyArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    int32_t displayId;
-    uint32_t policyFlags;
-    int32_t action;
-    int32_t flags;
-    int32_t keyCode;
-    int32_t scanCode;
-    int32_t metaState;
-    nsecs_t downTime;
-    nsecs_t readTime;
-
-    inline NotifyKeyArgs() { }
-
-    NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                  uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
-                  int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
-                  nsecs_t downTime);
-
-    bool operator==(const NotifyKeyArgs& rhs) const;
-
-    NotifyKeyArgs(const NotifyKeyArgs& other);
-
-    virtual ~NotifyKeyArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a motion event. */
-struct NotifyMotionArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    int32_t displayId;
-    uint32_t policyFlags;
-    int32_t action;
-    int32_t actionButton;
-    int32_t flags;
-    int32_t metaState;
-    int32_t buttonState;
-    /**
-     * Classification of the current touch gesture
-     */
-    MotionClassification classification;
-    int32_t edgeFlags;
-
-    uint32_t pointerCount;
-    PointerProperties pointerProperties[MAX_POINTERS];
-    PointerCoords pointerCoords[MAX_POINTERS];
-    float xPrecision;
-    float yPrecision;
-    /**
-     * Mouse cursor position when this event is reported relative to the origin of the specified
-     * display. Only valid if this is a mouse event (originates from a mouse or from a trackpad in
-     * gestures enabled mode.
-     */
-    float xCursorPosition;
-    float yCursorPosition;
-    nsecs_t downTime;
-    nsecs_t readTime;
-    std::vector<TouchVideoFrame> videoFrames;
-
-    inline NotifyMotionArgs() { }
-
-    NotifyMotionArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                     uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
-                     int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
-                     MotionClassification classification, int32_t edgeFlags, uint32_t pointerCount,
-                     const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
-                     float xPrecision, float yPrecision, float xCursorPosition,
-                     float yCursorPosition, nsecs_t downTime,
-                     const std::vector<TouchVideoFrame>& videoFrames);
-
-    NotifyMotionArgs(const NotifyMotionArgs& other);
-
-    virtual ~NotifyMotionArgs() { }
-
-    bool operator==(const NotifyMotionArgs& rhs) const;
-
-    void notify(InputListenerInterface& listener) const override;
-
-    std::string dump() const;
-};
-
-/* Describes a sensor event. */
-struct NotifySensorArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    InputDeviceSensorType sensorType;
-    InputDeviceSensorAccuracy accuracy;
-    bool accuracyChanged;
-    nsecs_t hwTimestamp;
-    std::vector<float> values;
-
-    inline NotifySensorArgs() {}
-
-    NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
-                     InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
-                     bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
-
-    NotifySensorArgs(const NotifySensorArgs& other);
-
-    bool operator==(const NotifySensorArgs rhs) const;
-
-    ~NotifySensorArgs() override {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a switch event. */
-struct NotifySwitchArgs : public NotifyArgs {
-    uint32_t policyFlags;
-    uint32_t switchValues;
-    uint32_t switchMask;
-
-    inline NotifySwitchArgs() { }
-
-    NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags, uint32_t switchValues,
-                     uint32_t switchMask);
-
-    NotifySwitchArgs(const NotifySwitchArgs& other);
-
-    bool operator==(const NotifySwitchArgs rhs) const;
-
-    virtual ~NotifySwitchArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a device reset event, such as when a device is added,
- * reconfigured, or removed. */
-struct NotifyDeviceResetArgs : public NotifyArgs {
-    int32_t deviceId;
-
-    inline NotifyDeviceResetArgs() { }
-
-    NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId);
-
-    NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
-
-    bool operator==(const NotifyDeviceResetArgs& rhs) const;
-
-    virtual ~NotifyDeviceResetArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a change in the state of Pointer Capture. */
-struct NotifyPointerCaptureChangedArgs : public NotifyArgs {
-    // The sequence number of the Pointer Capture request, if enabled.
-    PointerCaptureRequest request;
-
-    inline NotifyPointerCaptureChangedArgs() {}
-
-    NotifyPointerCaptureChangedArgs(int32_t id, nsecs_t eventTime, const PointerCaptureRequest&);
-
-    NotifyPointerCaptureChangedArgs(const NotifyPointerCaptureChangedArgs& other);
-
-    bool operator==(const NotifyPointerCaptureChangedArgs& rhs) const;
-
-    virtual ~NotifyPointerCaptureChangedArgs() {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a vibrator state event. */
-struct NotifyVibratorStateArgs : public NotifyArgs {
-    int32_t deviceId;
-    bool isOn;
-
-    inline NotifyVibratorStateArgs() {}
-
-    NotifyVibratorStateArgs(int32_t id, nsecs_t eventTIme, int32_t deviceId, bool isOn);
-
-    NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other);
-
-    bool operator==(const NotifyVibratorStateArgs rhs) const;
-
-    virtual ~NotifyVibratorStateArgs() {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
+std::list<NotifyArgs>& operator+=(std::list<NotifyArgs>& keep, std::list<NotifyArgs>&& consume);
 
 /*
  * The interface used by the InputReader to notify the InputListener about input events.
@@ -264,6 +45,8 @@ public:
     virtual void notifyVibratorState(const NotifyVibratorStateArgs* args) = 0;
     virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
     virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) = 0;
+
+    void notify(const NotifyArgs& args);
 };
 
 /*
@@ -288,9 +71,7 @@ public:
 
 private:
     InputListenerInterface& mInnerListener;
-    std::vector<std::unique_ptr<NotifyArgs>> mArgsQueue;
+    std::vector<NotifyArgs> mArgsQueue;
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_LISTENER_H
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 41ecef365d..b8a6dade34 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_READER_BASE_H
-#define _UI_INPUT_READER_BASE_H
+#pragma once
 
 #include <android/os/IInputConstants.h>
 #include <input/DisplayViewport.h>
@@ -24,6 +23,7 @@
 #include <input/VelocityControl.h>
 #include <input/VelocityTracker.h>
 #include <stddef.h>
+#include <ui/Rotation.h>
 #include <unistd.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
@@ -88,6 +88,9 @@ public:
     virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
             int32_t sw) = 0;
 
+    virtual void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode,
+                                 int32_t toKeyCode) const = 0;
+
     virtual int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const = 0;
 
     /* Toggle Caps Lock */
@@ -95,7 +98,7 @@ public:
 
     /* Determine whether physical keys exist for the given framework-domain key codes. */
     virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
-            size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
+                         const std::vector<int32_t>& keyCodes, uint8_t* outFlags) = 0;
 
     /* Requests that a reconfiguration of all input devices.
      * The changes flag is a bitfield that indicates what has changed and whether
@@ -114,6 +117,8 @@ public:
     virtual std::optional<int32_t> getBatteryCapacity(int32_t deviceId) = 0;
     /* Get battery status of a particular input device. */
     virtual std::optional<int32_t> getBatteryStatus(int32_t deviceId) = 0;
+    /* Get the device path for the battery of an input device. */
+    virtual std::optional<std::string> getBatteryDevicePath(int32_t deviceId) = 0;
 
     virtual std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) = 0;
 
@@ -141,6 +146,9 @@ public:
     virtual std::optional<int32_t> getLightColor(int32_t deviceId, int32_t lightId) = 0;
     /* Get light player ID */
     virtual std::optional<int32_t> getLightPlayerId(int32_t deviceId, int32_t lightId) = 0;
+
+    /* Get the Bluetooth address of an input device, if known. */
+    virtual std::optional<std::string> getBluetoothAddress(int32_t deviceId) const = 0;
 };
 
 // --- InputReaderConfiguration ---
@@ -391,9 +399,9 @@ public:
 
     /* Gets the affine calibration associated with the specified device. */
     virtual TouchAffineTransformation getTouchAffineTransformation(
-            const std::string& inputDeviceDescriptor, int32_t surfaceRotation) = 0;
+            const std::string& inputDeviceDescriptor, ui::Rotation surfaceRotation) = 0;
+    /* Notifies the input reader policy that a stylus gesture has started. */
+    virtual void notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) = 0;
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_READER_COMMON_H
diff --git a/services/inputflinger/include/InputThread.h b/services/inputflinger/include/InputThread.h
index 407365a269..5e75027056 100644
--- a/services/inputflinger/include/InputThread.h
+++ b/services/inputflinger/include/InputThread.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_THREAD_H
-#define _UI_INPUT_THREAD_H
+#pragma once
 
 #include <utils/Thread.h>
 
@@ -42,5 +41,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_THREAD_H
\ No newline at end of file
diff --git a/services/inputflinger/include/NotifyArgs.h b/services/inputflinger/include/NotifyArgs.h
new file mode 100644
index 0000000000..c46f90501f
--- /dev/null
+++ b/services/inputflinger/include/NotifyArgs.h
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include <input/Input.h>
+#include <input/InputDevice.h>
+#include <input/TouchVideoFrame.h>
+
+namespace android {
+
+/* Describes a configuration change event. */
+struct NotifyConfigurationChangedArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    inline NotifyConfigurationChangedArgs() {}
+
+    NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime);
+
+    bool operator==(const NotifyConfigurationChangedArgs& rhs) const = default;
+
+    NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other) = default;
+};
+
+/* Describes a key event. */
+struct NotifyKeyArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    int32_t displayId;
+    uint32_t policyFlags;
+    int32_t action;
+    int32_t flags;
+    int32_t keyCode;
+    int32_t scanCode;
+    int32_t metaState;
+    nsecs_t downTime;
+    nsecs_t readTime;
+
+    inline NotifyKeyArgs() {}
+
+    NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                  uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
+                  int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+                  nsecs_t downTime);
+
+    bool operator==(const NotifyKeyArgs& rhs) const = default;
+
+    NotifyKeyArgs(const NotifyKeyArgs& other) = default;
+};
+
+/* Describes a motion event. */
+struct NotifyMotionArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    int32_t displayId;
+    uint32_t policyFlags;
+    int32_t action;
+    int32_t actionButton;
+    int32_t flags;
+    int32_t metaState;
+    int32_t buttonState;
+    /**
+     * Classification of the current touch gesture
+     */
+    MotionClassification classification;
+    int32_t edgeFlags;
+
+    uint32_t pointerCount;
+    PointerProperties pointerProperties[MAX_POINTERS];
+    PointerCoords pointerCoords[MAX_POINTERS];
+    float xPrecision;
+    float yPrecision;
+    /**
+     * Mouse cursor position when this event is reported relative to the origin of the specified
+     * display. Only valid if this is a mouse event (originates from a mouse or from a trackpad in
+     * gestures enabled mode.
+     */
+    float xCursorPosition;
+    float yCursorPosition;
+    nsecs_t downTime;
+    nsecs_t readTime;
+    std::vector<TouchVideoFrame> videoFrames;
+
+    inline NotifyMotionArgs() {}
+
+    NotifyMotionArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                     uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
+                     int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+                     MotionClassification classification, int32_t edgeFlags, uint32_t pointerCount,
+                     const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
+                     float xPrecision, float yPrecision, float xCursorPosition,
+                     float yCursorPosition, nsecs_t downTime,
+                     const std::vector<TouchVideoFrame>& videoFrames);
+
+    NotifyMotionArgs(const NotifyMotionArgs& other);
+
+    NotifyMotionArgs& operator=(const android::NotifyMotionArgs&) = default;
+
+    bool operator==(const NotifyMotionArgs& rhs) const;
+
+    std::string dump() const;
+};
+
+/* Describes a sensor event. */
+struct NotifySensorArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    InputDeviceSensorType sensorType;
+    InputDeviceSensorAccuracy accuracy;
+    bool accuracyChanged;
+    nsecs_t hwTimestamp;
+    std::vector<float> values;
+
+    inline NotifySensorArgs() {}
+
+    NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+                     InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+                     bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
+
+    NotifySensorArgs(const NotifySensorArgs& other) = default;
+};
+
+/* Describes a switch event. */
+struct NotifySwitchArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    uint32_t policyFlags;
+    uint32_t switchValues;
+    uint32_t switchMask;
+
+    inline NotifySwitchArgs() {}
+
+    NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags, uint32_t switchValues,
+                     uint32_t switchMask);
+
+    NotifySwitchArgs(const NotifySwitchArgs& other) = default;
+
+    bool operator==(const NotifySwitchArgs& rhs) const = default;
+};
+
+/* Describes a device reset event, such as when a device is added,
+ * reconfigured, or removed. */
+struct NotifyDeviceResetArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+
+    inline NotifyDeviceResetArgs() {}
+
+    NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId);
+
+    NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other) = default;
+
+    bool operator==(const NotifyDeviceResetArgs& rhs) const = default;
+};
+
+/* Describes a change in the state of Pointer Capture. */
+struct NotifyPointerCaptureChangedArgs {
+    // The sequence number of the Pointer Capture request, if enabled.
+    int32_t id;
+    nsecs_t eventTime;
+
+    PointerCaptureRequest request;
+
+    inline NotifyPointerCaptureChangedArgs() {}
+
+    NotifyPointerCaptureChangedArgs(int32_t id, nsecs_t eventTime, const PointerCaptureRequest&);
+
+    NotifyPointerCaptureChangedArgs(const NotifyPointerCaptureChangedArgs& other) = default;
+};
+
+/* Describes a vibrator state event. */
+struct NotifyVibratorStateArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    bool isOn;
+
+    inline NotifyVibratorStateArgs() {}
+
+    NotifyVibratorStateArgs(int32_t id, nsecs_t eventTIme, int32_t deviceId, bool isOn);
+
+    NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other) = default;
+};
+
+using NotifyArgs = std::variant<NotifyConfigurationChangedArgs, NotifyKeyArgs, NotifyMotionArgs,
+                                NotifySensorArgs, NotifySwitchArgs, NotifyDeviceResetArgs,
+                                NotifyPointerCaptureChangedArgs, NotifyVibratorStateArgs>;
+
+const char* toString(const NotifyArgs& args);
+
+} // namespace android
diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index db4228d862..7e0c1c77eb 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
-#define _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
+#pragma once
 
 #include <input/DisplayViewport.h>
 #include <input/Input.h>
@@ -80,6 +79,8 @@ public:
         POINTER,
         // Show spots and a spot anchor in place of the mouse pointer.
         SPOT,
+
+        ftl_last = SPOT,
     };
 
     /* Sets the mode of the pointer controller. */
@@ -108,5 +109,3 @@ public:
 };
 
 } // namespace android
-
-#endif // _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
diff --git a/services/inputflinger/include/VibrationElement.h b/services/inputflinger/include/VibrationElement.h
index 736041e7fd..04c2e394c8 100644
--- a/services/inputflinger/include/VibrationElement.h
+++ b/services/inputflinger/include/VibrationElement.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _VIBRATION_ELEMENT_H
-#define _VIBRATION_ELEMENT_H
+#pragma once
 
 #include <array>
 #include <chrono>
@@ -71,5 +70,3 @@ struct VibrationSequence {
 };
 
 } // namespace android
-
-#endif // _VIBRATION_ELEMENT_H
diff --git a/services/inputflinger/reader/Android.bp b/services/inputflinger/reader/Android.bp
index 01146a3c8b..f37f0fa70e 100644
--- a/services/inputflinger/reader/Android.bp
+++ b/services/inputflinger/reader/Android.bp
@@ -23,6 +23,7 @@ package {
 
 cc_library_headers {
     name: "libinputreader_headers",
+    host_supported: true,
     export_include_dirs: [
         "controller",
         "include",
@@ -36,11 +37,9 @@ filegroup {
     srcs: [
         "EventHub.cpp",
         "InputDevice.cpp",
+        "InputReader.cpp",
+        "TouchVideoDevice.cpp",
         "controller/PeripheralController.cpp",
-        "mapper/accumulator/CursorButtonAccumulator.cpp",
-        "mapper/accumulator/CursorScrollAccumulator.cpp",
-        "mapper/accumulator/SingleTouchMotionAccumulator.cpp",
-        "mapper/accumulator/TouchButtonAccumulator.cpp",
         "mapper/CursorInputMapper.cpp",
         "mapper/ExternalStylusInputMapper.cpp",
         "mapper/InputMapper.cpp",
@@ -51,10 +50,17 @@ filegroup {
         "mapper/SensorInputMapper.cpp",
         "mapper/SingleTouchInputMapper.cpp",
         "mapper/SwitchInputMapper.cpp",
+        "mapper/TouchCursorInputMapperCommon.cpp",
         "mapper/TouchInputMapper.cpp",
+        "mapper/TouchpadInputMapper.cpp",
         "mapper/VibratorInputMapper.cpp",
-        "InputReader.cpp",
-        "TouchVideoDevice.cpp",
+        "mapper/accumulator/CursorButtonAccumulator.cpp",
+        "mapper/accumulator/CursorScrollAccumulator.cpp",
+        "mapper/accumulator/HidUsageAccumulator.cpp",
+        "mapper/accumulator/MultiTouchMotionAccumulator.cpp",
+        "mapper/accumulator/SingleTouchMotionAccumulator.cpp",
+        "mapper/accumulator/TouchButtonAccumulator.cpp",
+        "mapper/gestures/GesturesLogging.cpp",
     ],
 }
 
@@ -66,24 +72,59 @@ cc_defaults {
         "libcap",
         "libcrypto",
         "libcutils",
-        "libinput",
+        "libjsoncpp",
         "liblog",
+        "libPlatformProperties",
         "libstatslog",
-        "libui",
         "libutils",
-        "libPlatformProperties",
     ],
     static_libs: [
         "libc++fs",
+        "libchrome-gestures",
+        "libui-types",
     ],
     header_libs: [
         "libbatteryservice_headers",
+        "libchrome-gestures_headers",
         "libinputreader_headers",
     ],
+    target: {
+        android: {
+            shared_libs: [
+                "libinput",
+            ],
+        },
+        host: {
+            static_libs: [
+                "libinput",
+                "libbinder",
+            ],
+        },
+    },
+}
+
+cc_library_static {
+    name: "libinputreader_static",
+    defaults: [
+        "inputflinger_defaults",
+        "libinputreader_defaults",
+    ],
+    shared_libs: [
+        "libinputflinger_base",
+    ],
+    export_header_lib_headers: [
+        "libbatteryservice_headers",
+        "libchrome-gestures_headers",
+        "libinputreader_headers",
+    ],
+    whole_static_libs: [
+        "libchrome-gestures",
+    ],
 }
 
 cc_library_shared {
     name: "libinputreader",
+    host_supported: true,
     defaults: [
         "inputflinger_defaults",
         "libinputreader_defaults",
@@ -95,11 +136,21 @@ cc_library_shared {
         // This should consist only of dependencies from inputflinger. Other dependencies should be
         // in cc_defaults so that they are included in the tests.
         "libinputflinger_base",
+        "libjsoncpp",
     ],
     export_header_lib_headers: [
         "libinputreader_headers",
     ],
+    target: {
+        host: {
+            include_dirs: [
+                "bionic/libc/kernel/android/uapi/",
+                "bionic/libc/kernel/uapi",
+            ],
+        },
+    },
     static_libs: [
         "libc++fs",
+        "libchrome-gestures",
     ],
 }
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index 20baa42a20..e26bc8c6dc 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -19,6 +19,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
+#include <linux/ioctl.h>
 #include <memory.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -28,7 +29,6 @@
 #include <sys/epoll.h>
 #include <sys/inotify.h>
 #include <sys/ioctl.h>
-#include <sys/limits.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>
 #include <unistd.h>
@@ -43,6 +43,7 @@
 #include <ftl/enum.h>
 #include <input/KeyCharacterMap.h>
 #include <input/KeyLayoutMap.h>
+#include <input/PrintTools.h>
 #include <input/VirtualKeyMap.h>
 #include <openssl/sha.h>
 #include <statslog.h>
@@ -52,6 +53,7 @@
 
 #include <filesystem>
 #include <regex>
+#include <utility>
 
 #include "EventHub.h"
 
@@ -60,6 +62,7 @@
 #define INDENT3 "      "
 
 using android::base::StringPrintf;
+using android::hardware::input::InputDeviceCountryCode;
 
 namespace android {
 
@@ -74,6 +77,8 @@ static constexpr size_t OBFUSCATED_LENGTH = 8;
 static constexpr int32_t FF_STRONG_MAGNITUDE_CHANNEL_IDX = 0;
 static constexpr int32_t FF_WEAK_MAGNITUDE_CHANNEL_IDX = 1;
 
+static constexpr size_t EVENT_BUFFER_SIZE = 256;
+
 // Mapping for input battery class node IDs lookup.
 // https://www.kernel.org/doc/Documentation/power/power_supply_class.txt
 static const std::unordered_map<std::string, InputBatteryClass> BATTERY_CLASSES =
@@ -115,7 +120,8 @@ static const std::unordered_map<std::string, InputLightClass> LIGHT_CLASSES =
          {"brightness", InputLightClass::BRIGHTNESS},
          {"multi_index", InputLightClass::MULTI_INDEX},
          {"multi_intensity", InputLightClass::MULTI_INTENSITY},
-         {"max_brightness", InputLightClass::MAX_BRIGHTNESS}};
+         {"max_brightness", InputLightClass::MAX_BRIGHTNESS},
+         {"kbd_backlight", InputLightClass::KEYBOARD_BACKLIGHT}};
 
 // Mapping for input multicolor led class node names.
 // https://www.kernel.org/doc/html/latest/leds/leds-class-multicolor.html
@@ -129,10 +135,6 @@ const std::unordered_map<std::string, LightColor> LIGHT_COLORS = {{"red", LightC
                                                                   {"green", LightColor::GREEN},
                                                                   {"blue", LightColor::BLUE}};
 
-static inline const char* toString(bool value) {
-    return value ? "true" : "false";
-}
-
 static std::string sha1(const std::string& in) {
     SHA_CTX ctx;
     SHA1_Init(&ctx);
@@ -147,6 +149,14 @@ static std::string sha1(const std::string& in) {
     return out;
 }
 
+/* The set of all Android key codes that correspond to buttons (bit-switches) on a stylus. */
+static constexpr std::array<int32_t, 4> STYLUS_BUTTON_KEYCODES = {
+        AKEYCODE_STYLUS_BUTTON_PRIMARY,
+        AKEYCODE_STYLUS_BUTTON_SECONDARY,
+        AKEYCODE_STYLUS_BUTTON_TERTIARY,
+        AKEYCODE_STYLUS_BUTTON_TAIL,
+};
+
 /**
  * Return true if name matches "v4l-touch*"
  */
@@ -187,14 +197,13 @@ static nsecs_t processEventTimestamp(const struct input_event& event) {
     // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a
     // system call that also queries ktime_get_ts().
 
-    const nsecs_t inputEventTime = seconds_to_nanoseconds(event.time.tv_sec) +
-            microseconds_to_nanoseconds(event.time.tv_usec);
+    const nsecs_t inputEventTime = seconds_to_nanoseconds(event.input_event_sec) +
+            microseconds_to_nanoseconds(event.input_event_usec);
     return inputEventTime;
 }
 
 /**
- * Returns the sysfs root path of the input device
- *
+ * Returns the sysfs root path of the input device.
  */
 static std::optional<std::filesystem::path> getSysfsRootPath(const char* devicePath) {
     std::error_code errorCode;
@@ -301,6 +310,112 @@ static std::optional<std::array<LightColor, COLOR_NUM>> getColorIndexArray(
     return colors;
 }
 
+/**
+ * Read country code information exposed through the sysfs path.
+ */
+static InputDeviceCountryCode readCountryCodeLocked(const std::filesystem::path& sysfsRootPath) {
+    // Check the sysfs root path
+    int hidCountryCode = static_cast<int>(InputDeviceCountryCode::INVALID);
+    std::string str;
+    if (base::ReadFileToString(sysfsRootPath / "country", &str)) {
+        hidCountryCode = std::stoi(str, nullptr, 16);
+        LOG_ALWAYS_FATAL_IF(hidCountryCode > 35 || hidCountryCode < 0,
+                            "HID country code should be in range [0, 35]. Found country code "
+                            "to be %d",
+                            hidCountryCode);
+    }
+
+    return static_cast<InputDeviceCountryCode>(hidCountryCode);
+}
+
+/**
+ * Read information about batteries exposed through the sysfs path.
+ */
+static std::unordered_map<int32_t /*batteryId*/, RawBatteryInfo> readBatteryConfiguration(
+        const std::filesystem::path& sysfsRootPath) {
+    std::unordered_map<int32_t, RawBatteryInfo> batteryInfos;
+    int32_t nextBatteryId = 0;
+    // Check if device has any battery.
+    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::POWER_SUPPLY);
+    for (const auto& nodePath : paths) {
+        RawBatteryInfo info;
+        info.id = ++nextBatteryId;
+        info.path = nodePath;
+        info.name = nodePath.filename();
+
+        // Scan the path for all the files
+        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
+        const auto& files = allFilesInPath(nodePath);
+        for (const auto& file : files) {
+            const auto it = BATTERY_CLASSES.find(file.filename().string());
+            if (it != BATTERY_CLASSES.end()) {
+                info.flags |= it->second;
+            }
+        }
+        batteryInfos.insert_or_assign(info.id, info);
+        ALOGD("configureBatteryLocked rawBatteryId %d name %s", info.id, info.name.c_str());
+    }
+    return batteryInfos;
+}
+
+/**
+ *  Read information about lights exposed through the sysfs path.
+ */
+static std::unordered_map<int32_t /*lightId*/, RawLightInfo> readLightsConfiguration(
+        const std::filesystem::path& sysfsRootPath) {
+    std::unordered_map<int32_t, RawLightInfo> lightInfos;
+    int32_t nextLightId = 0;
+    // Check if device has any lights.
+    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::LEDS);
+    for (const auto& nodePath : paths) {
+        RawLightInfo info;
+        info.id = ++nextLightId;
+        info.path = nodePath;
+        info.name = nodePath.filename();
+        info.maxBrightness = std::nullopt;
+
+        // Light name should follow the naming pattern <name>:<color>:<function>
+        // Refer kernel docs /leds/leds-class.html for valid supported LED names.
+        std::regex indexPattern("([a-zA-Z0-9_.:]*:)?([a-zA-Z0-9_.]*):([a-zA-Z0-9_.]*)");
+        std::smatch results;
+
+        if (std::regex_match(info.name, results, indexPattern)) {
+            // regex_match will return full match at index 0 and <name> at index 1. For RawLightInfo
+            // we only care about sections <color> and <function> which will be at index 2 and 3.
+            for (int i = 2; i <= 3; i++) {
+                const auto it = LIGHT_CLASSES.find(results.str(i));
+                if (it != LIGHT_CLASSES.end()) {
+                    info.flags |= it->second;
+                }
+            }
+
+            // Set name of the raw light to <function> which represents playerIDs for LEDs that
+            // turn on/off based on the current player ID (Refer to PeripheralController.cpp for
+            // player ID logic)
+            info.name = results.str(3);
+        }
+        // Scan the path for all the files
+        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
+        const auto& files = allFilesInPath(nodePath);
+        for (const auto& file : files) {
+            const auto it = LIGHT_CLASSES.find(file.filename().string());
+            if (it != LIGHT_CLASSES.end()) {
+                info.flags |= it->second;
+                // If the node has maximum brightness, read it
+                if (it->second == InputLightClass::MAX_BRIGHTNESS) {
+                    std::string str;
+                    if (base::ReadFileToString(file, &str)) {
+                        info.maxBrightness = std::stoi(str);
+                    }
+                }
+            }
+        }
+        lightInfos.insert_or_assign(info.id, info);
+        ALOGD("configureLightsLocked rawLightId %d name %s", info.id, info.name.c_str());
+    }
+    return lightInfos;
+}
+
 // --- Global Functions ---
 
 ftl::Flags<InputDeviceClass> getAbsAxisUsage(int32_t axis,
@@ -357,18 +472,18 @@ ftl::Flags<InputDeviceClass> getAbsAxisUsage(int32_t axis,
 
 // --- EventHub::Device ---
 
-EventHub::Device::Device(int fd, int32_t id, const std::string& path,
-                         const InputDeviceIdentifier& identifier)
+EventHub::Device::Device(int fd, int32_t id, std::string path, InputDeviceIdentifier identifier,
+                         std::shared_ptr<const AssociatedDevice> assocDev)
       : fd(fd),
         id(id),
-        path(path),
-        identifier(identifier),
+        path(std::move(path)),
+        identifier(std::move(identifier)),
         classes(0),
         configuration(nullptr),
         virtualKeyMap(nullptr),
         ffEffectPlaying(false),
         ffEffectId(-1),
-        associatedDevice(nullptr),
+        associatedDevice(std::move(assocDev)),
         controllerNumber(0),
         enabled(true),
         isVirtual(fd < 0) {}
@@ -502,7 +617,7 @@ status_t EventHub::Device::loadKeyMapLocked() {
 bool EventHub::Device::isExternalDeviceLocked() {
     if (configuration) {
         bool value;
-        if (configuration->tryGetProperty(String8("device.internal"), value)) {
+        if (configuration->tryGetProperty("device.internal", value)) {
             return !value;
         }
     }
@@ -512,7 +627,7 @@ bool EventHub::Device::isExternalDeviceLocked() {
 bool EventHub::Device::deviceHasMicLocked() {
     if (configuration) {
         bool value;
-        if (configuration->tryGetProperty(String8("audio.mic"), value)) {
+        if (configuration->tryGetProperty("audio.mic", value)) {
             return value;
         }
     }
@@ -523,8 +638,8 @@ void EventHub::Device::setLedStateLocked(int32_t led, bool on) {
     int32_t sc;
     if (hasValidFd() && mapLed(led, &sc) != NAME_NOT_FOUND) {
         struct input_event ev;
-        ev.time.tv_sec = 0;
-        ev.time.tv_usec = 0;
+        ev.input_event_sec = 0;
+        ev.input_event_usec = 0;
         ev.type = EV_LED;
         ev.code = sc;
         ev.value = on ? 1 : 0;
@@ -557,75 +672,6 @@ status_t EventHub::Device::mapLed(int32_t led, int32_t* outScanCode) const {
     return NAME_NOT_FOUND;
 }
 
-// Check the sysfs path for any input device batteries, returns true if battery found.
-bool EventHub::AssociatedDevice::configureBatteryLocked() {
-    nextBatteryId = 0;
-    // Check if device has any battery.
-    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::POWER_SUPPLY);
-    for (const auto& nodePath : paths) {
-        RawBatteryInfo info;
-        info.id = ++nextBatteryId;
-        info.path = nodePath;
-        info.name = nodePath.filename();
-
-        // Scan the path for all the files
-        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
-        const auto& files = allFilesInPath(nodePath);
-        for (const auto& file : files) {
-            const auto it = BATTERY_CLASSES.find(file.filename().string());
-            if (it != BATTERY_CLASSES.end()) {
-                info.flags |= it->second;
-            }
-        }
-        batteryInfos.insert_or_assign(info.id, info);
-        ALOGD("configureBatteryLocked rawBatteryId %d name %s", info.id, info.name.c_str());
-    }
-    return !batteryInfos.empty();
-}
-
-// Check the sysfs path for any input device lights, returns true if lights found.
-bool EventHub::AssociatedDevice::configureLightsLocked() {
-    nextLightId = 0;
-    // Check if device has any lights.
-    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::LEDS);
-    for (const auto& nodePath : paths) {
-        RawLightInfo info;
-        info.id = ++nextLightId;
-        info.path = nodePath;
-        info.name = nodePath.filename();
-        info.maxBrightness = std::nullopt;
-        size_t nameStart = info.name.rfind(":");
-        if (nameStart != std::string::npos) {
-            // Trim the name to color name
-            info.name = info.name.substr(nameStart + 1);
-            // Set InputLightClass flag for colors
-            const auto it = LIGHT_CLASSES.find(info.name);
-            if (it != LIGHT_CLASSES.end()) {
-                info.flags |= it->second;
-            }
-        }
-        // Scan the path for all the files
-        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
-        const auto& files = allFilesInPath(nodePath);
-        for (const auto& file : files) {
-            const auto it = LIGHT_CLASSES.find(file.filename().string());
-            if (it != LIGHT_CLASSES.end()) {
-                info.flags |= it->second;
-                // If the node has maximum brightness, read it
-                if (it->second == InputLightClass::MAX_BRIGHTNESS) {
-                    std::string str;
-                    if (base::ReadFileToString(file, &str)) {
-                        info.maxBrightness = std::stoi(str);
-                    }
-                }
-            }
-        }
-        lightInfos.insert_or_assign(info.id, info);
-        ALOGD("configureLightsLocked rawLightId %d name %s", info.id, info.name.c_str());
-    }
-    return !lightInfos.empty();
-}
-
 /**
  * Get the capabilities for the current process.
  * Crashes the system if unable to create / check / destroy the capabilities object.
@@ -687,6 +733,7 @@ EventHub::EventHub(void)
     LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance: %s", strerror(errno));
 
     mINotifyFd = inotify_init1(IN_CLOEXEC);
+    LOG_ALWAYS_FATAL_IF(mINotifyFd < 0, "Could not create inotify instance: %s", strerror(errno));
 
     std::error_code errorCode;
     bool isDeviceInotifyAdded = false;
@@ -905,15 +952,19 @@ int32_t EventHub::getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKey
             device->getKeyCharacterMap()->mapKey(scanCodes[0], 0 /*usageCode*/, &outKeyCode);
     switch (mapKeyRes) {
         case OK:
-            return outKeyCode;
+            break;
         case NAME_NOT_FOUND:
             // key character map doesn't re-map this scanCode, hence the keyCode remains the same
-            return locationKeyCode;
+            outKeyCode = locationKeyCode;
+            break;
         default:
             ALOGW("Failed to get key code for key location: Key character map returned error %s",
                   statusToString(mapKeyRes).c_str());
-            return AKEYCODE_UNKNOWN;
+            outKeyCode = AKEYCODE_UNKNOWN;
+            break;
     }
+    // Remap if there is a Key remapping added to the KCM and return the remapped key
+    return device->getKeyCharacterMap()->applyKeyRemapping(outKeyCode);
 }
 
 int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
@@ -952,20 +1003,20 @@ status_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t*
     return -1;
 }
 
-bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+bool EventHub::markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                      uint8_t* outFlags) const {
     std::scoped_lock _l(mLock);
 
     Device* device = getDeviceLocked(deviceId);
     if (device != nullptr && device->keyMap.haveKeyLayout()) {
-        for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
+        for (size_t codeIndex = 0; codeIndex < keyCodes.size(); codeIndex++) {
             std::vector<int32_t> scanCodes =
                     device->keyMap.keyLayoutMap->findScanCodesForKey(keyCodes[codeIndex]);
 
             // check the possible scan codes identified by the layout map against the
             // map of codes actually emitted by the driver
-            for (size_t sc = 0; sc < scanCodes.size(); sc++) {
-                if (device->keyBitmask.test(scanCodes[sc])) {
+            for (const int32_t scanCode : scanCodes) {
+                if (device->keyBitmask.test(scanCode)) {
                     outFlags[codeIndex] = 1;
                     break;
                 }
@@ -976,6 +1027,18 @@ bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const in
     return false;
 }
 
+void EventHub::addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const {
+    std::scoped_lock _l(mLock);
+    Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr) {
+        return;
+    }
+    const std::shared_ptr<KeyCharacterMap> kcm = device->getKeyCharacterMap();
+    if (kcm) {
+        kcm->addKeyRemapping(fromKeyCode, toKeyCode);
+    }
+}
+
 status_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
                           int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const {
     std::scoped_lock _l(mLock);
@@ -1001,7 +1064,13 @@ status_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
 
         if (status == NO_ERROR) {
             if (kcm) {
-                kcm->tryRemapKey(*outKeycode, metaState, outKeycode, outMetaState);
+                // Remap keys based on user-defined key remappings and key behavior defined in the
+                // corresponding kcm file
+                *outKeycode = kcm->applyKeyRemapping(*outKeycode);
+
+                // Remap keys based on Key behavior defined in KCM file
+                std::tie(*outKeycode, *outMetaState) =
+                        kcm->applyKeyBehavior(*outKeycode, metaState);
             } else {
                 *outMetaState = metaState;
             }
@@ -1033,7 +1102,7 @@ status_t EventHub::mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxis
 }
 
 base::Result<std::pair<InputDeviceSensorType, int32_t>> EventHub::mapSensor(int32_t deviceId,
-                                                                            int32_t absCode) {
+                                                                            int32_t absCode) const {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
 
@@ -1055,18 +1124,19 @@ const std::unordered_map<int32_t, RawBatteryInfo>& EventHub::getBatteryInfoLocke
     return device->associatedDevice->batteryInfos;
 }
 
-const std::vector<int32_t> EventHub::getRawBatteryIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getRawBatteryIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> batteryIds;
 
-    for (const auto [id, info] : getBatteryInfoLocked(deviceId)) {
+    for (const auto& [id, info] : getBatteryInfoLocked(deviceId)) {
         batteryIds.push_back(id);
     }
 
     return batteryIds;
 }
 
-std::optional<RawBatteryInfo> EventHub::getRawBatteryInfo(int32_t deviceId, int32_t batteryId) {
+std::optional<RawBatteryInfo> EventHub::getRawBatteryInfo(int32_t deviceId,
+                                                          int32_t batteryId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getBatteryInfoLocked(deviceId);
@@ -1080,7 +1150,7 @@ std::optional<RawBatteryInfo> EventHub::getRawBatteryInfo(int32_t deviceId, int3
 }
 
 // Gets the light info map from light ID to RawLightInfo of the miscellaneous device associated
-// with the deivice ID. Returns an empty map if no miscellaneous device found.
+// with the device ID. Returns an empty map if no miscellaneous device found.
 const std::unordered_map<int32_t, RawLightInfo>& EventHub::getLightInfoLocked(
         int32_t deviceId) const {
     static const std::unordered_map<int32_t, RawLightInfo> EMPTY_LIGHT_INFO = {};
@@ -1091,18 +1161,18 @@ const std::unordered_map<int32_t, RawLightInfo>& EventHub::getLightInfoLocked(
     return device->associatedDevice->lightInfos;
 }
 
-const std::vector<int32_t> EventHub::getRawLightIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getRawLightIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> lightIds;
 
-    for (const auto [id, info] : getLightInfoLocked(deviceId)) {
+    for (const auto& [id, info] : getLightInfoLocked(deviceId)) {
         lightIds.push_back(id);
     }
 
     return lightIds;
 }
 
-std::optional<RawLightInfo> EventHub::getRawLightInfo(int32_t deviceId, int32_t lightId) {
+std::optional<RawLightInfo> EventHub::getRawLightInfo(int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1115,7 +1185,7 @@ std::optional<RawLightInfo> EventHub::getRawLightInfo(int32_t deviceId, int32_t
     return std::nullopt;
 }
 
-std::optional<int32_t> EventHub::getLightBrightness(int32_t deviceId, int32_t lightId) {
+std::optional<int32_t> EventHub::getLightBrightness(int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1132,7 +1202,7 @@ std::optional<int32_t> EventHub::getLightBrightness(int32_t deviceId, int32_t li
 }
 
 std::optional<std::unordered_map<LightColor, int32_t>> EventHub::getLightIntensities(
-        int32_t deviceId, int32_t lightId) {
+        int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1228,6 +1298,15 @@ void EventHub::setLightIntensities(int32_t deviceId, int32_t lightId,
     }
 }
 
+InputDeviceCountryCode EventHub::getCountryCode(int32_t deviceId) const {
+    std::scoped_lock _l(mLock);
+    Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr || !device->associatedDevice) {
+        return InputDeviceCountryCode::INVALID;
+    }
+    return device->associatedDevice->countryCode;
+}
+
 void EventHub::setExcludedDevices(const std::vector<std::string>& devices) {
     std::scoped_lock _l(mLock);
 
@@ -1357,6 +1436,39 @@ void EventHub::assignDescriptorLocked(InputDeviceIdentifier& identifier) {
           identifier.descriptor.c_str());
 }
 
+std::shared_ptr<const EventHub::AssociatedDevice> EventHub::obtainAssociatedDeviceLocked(
+        const std::filesystem::path& devicePath) const {
+    const std::optional<std::filesystem::path> sysfsRootPathOpt =
+            getSysfsRootPath(devicePath.c_str());
+    if (!sysfsRootPathOpt) {
+        return nullptr;
+    }
+
+    const auto& path = *sysfsRootPathOpt;
+
+    std::shared_ptr<const AssociatedDevice> associatedDevice = std::make_shared<AssociatedDevice>(
+            AssociatedDevice{.sysfsRootPath = path,
+                             .countryCode = readCountryCodeLocked(path),
+                             .batteryInfos = readBatteryConfiguration(path),
+                             .lightInfos = readLightsConfiguration(path)});
+
+    bool associatedDeviceChanged = false;
+    for (const auto& [id, dev] : mDevices) {
+        if (dev->associatedDevice && dev->associatedDevice->sysfsRootPath == path) {
+            if (*associatedDevice != *dev->associatedDevice) {
+                associatedDeviceChanged = true;
+                dev->associatedDevice = associatedDevice;
+            }
+            associatedDevice = dev->associatedDevice;
+        }
+    }
+    ALOGI_IF(associatedDeviceChanged,
+             "The AssociatedDevice changed for path '%s'. Using new AssociatedDevice: %s",
+             path.c_str(), associatedDevice->dump().c_str());
+
+    return associatedDevice;
+}
+
 void EventHub::vibrate(int32_t deviceId, const VibrationElement& element) {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
@@ -1378,8 +1490,8 @@ void EventHub::vibrate(int32_t deviceId, const VibrationElement& element) {
         device->ffEffectId = effect.id;
 
         struct input_event ev;
-        ev.time.tv_sec = 0;
-        ev.time.tv_usec = 0;
+        ev.input_event_sec = 0;
+        ev.input_event_usec = 0;
         ev.type = EV_FF;
         ev.code = device->ffEffectId;
         ev.value = 1;
@@ -1400,8 +1512,8 @@ void EventHub::cancelVibrate(int32_t deviceId) {
             device->ffEffectPlaying = false;
 
             struct input_event ev;
-            ev.time.tv_sec = 0;
-            ev.time.tv_usec = 0;
+            ev.input_event_sec = 0;
+            ev.input_event_usec = 0;
             ev.type = EV_FF;
             ev.code = device->ffEffectId;
             ev.value = 0;
@@ -1414,7 +1526,7 @@ void EventHub::cancelVibrate(int32_t deviceId) {
     }
 }
 
-std::vector<int32_t> EventHub::getVibratorIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getVibratorIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> vibrators;
     Device* device = getDeviceLocked(deviceId);
@@ -1495,7 +1607,7 @@ std::optional<int32_t> EventHub::getBatteryCapacity(int32_t deviceId, int32_t ba
         // the lock to prevent event processing from being blocked by this call.
         std::scoped_lock _l(mLock);
 
-        const auto infos = getBatteryInfoLocked(deviceId);
+        const auto& infos = getBatteryInfoLocked(deviceId);
         auto it = infos.find(batteryId);
         if (it == infos.end()) {
             return std::nullopt;
@@ -1536,7 +1648,7 @@ std::optional<int32_t> EventHub::getBatteryStatus(int32_t deviceId, int32_t batt
         // the lock to prevent event processing from being blocked by this call.
         std::scoped_lock _l(mLock);
 
-        const auto infos = getBatteryInfoLocked(deviceId);
+        const auto& infos = getBatteryInfoLocked(deviceId);
         auto it = infos.find(batteryId);
         if (it == infos.end()) {
             return std::nullopt;
@@ -1561,15 +1673,12 @@ std::optional<int32_t> EventHub::getBatteryStatus(int32_t deviceId, int32_t batt
     return std::nullopt;
 }
 
-size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) {
-    ALOG_ASSERT(bufferSize >= 1);
-
+std::vector<RawEvent> EventHub::getEvents(int timeoutMillis) {
     std::scoped_lock _l(mLock);
 
-    struct input_event readBuffer[bufferSize];
+    std::array<input_event, EVENT_BUFFER_SIZE> readBuffer;
 
-    RawEvent* event = buffer;
-    size_t capacity = bufferSize;
+    std::vector<RawEvent> events;
     bool awoken = false;
     for (;;) {
         nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
@@ -1589,15 +1698,17 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
         for (auto it = mClosingDevices.begin(); it != mClosingDevices.end();) {
             std::unique_ptr<Device> device = std::move(*it);
             ALOGV("Reporting device closed: id=%d, name=%s\n", device->id, device->path.c_str());
-            event->when = now;
-            event->deviceId = (device->id == mBuiltInKeyboardId)
+            const int32_t deviceId = (device->id == mBuiltInKeyboardId)
                     ? ReservedInputDeviceId::BUILT_IN_KEYBOARD_ID
                     : device->id;
-            event->type = DEVICE_REMOVED;
-            event += 1;
+            events.push_back({
+                    .when = now,
+                    .deviceId = deviceId,
+                    .type = DEVICE_REMOVED,
+            });
             it = mClosingDevices.erase(it);
             mNeedToSendFinishedDeviceScan = true;
-            if (--capacity == 0) {
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
@@ -1612,10 +1723,12 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
             std::unique_ptr<Device> device = std::move(*mOpeningDevices.rbegin());
             mOpeningDevices.pop_back();
             ALOGV("Reporting device opened: id=%d, name=%s\n", device->id, device->path.c_str());
-            event->when = now;
-            event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
-            event->type = DEVICE_ADDED;
-            event += 1;
+            const int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+            events.push_back({
+                    .when = now,
+                    .deviceId = deviceId,
+                    .type = DEVICE_ADDED,
+            });
 
             // Try to find a matching video device by comparing device names
             for (auto it = mUnattachedVideoDevices.begin(); it != mUnattachedVideoDevices.end();
@@ -1633,17 +1746,18 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
                 ALOGW("Device id %d exists, replaced.", device->id);
             }
             mNeedToSendFinishedDeviceScan = true;
-            if (--capacity == 0) {
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
 
         if (mNeedToSendFinishedDeviceScan) {
             mNeedToSendFinishedDeviceScan = false;
-            event->when = now;
-            event->type = FINISHED_DEVICE_SCAN;
-            event += 1;
-            if (--capacity == 0) {
+            events.push_back({
+                    .when = now,
+                    .type = FINISHED_DEVICE_SCAN,
+            });
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
@@ -1707,12 +1821,13 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
             // This must be an input event
             if (eventItem.events & EPOLLIN) {
                 int32_t readSize =
-                        read(device->fd, readBuffer, sizeof(struct input_event) * capacity);
+                        read(device->fd, readBuffer.data(),
+                             sizeof(decltype(readBuffer)::value_type) * readBuffer.size());
                 if (readSize == 0 || (readSize < 0 && errno == ENODEV)) {
                     // Device was removed before INotify noticed.
                     ALOGW("could not get event, removed? (fd: %d size: %" PRId32
-                          " bufferSize: %zu capacity: %zu errno: %d)\n",
-                          device->fd, readSize, bufferSize, capacity, errno);
+                          " capacity: %zu errno: %d)\n",
+                          device->fd, readSize, readBuffer.size(), errno);
                     deviceChanged = true;
                     closeDeviceLocked(*device);
                 } else if (readSize < 0) {
@@ -1722,21 +1837,21 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
                 } else if ((readSize % sizeof(struct input_event)) != 0) {
                     ALOGE("could not get event (wrong size: %d)", readSize);
                 } else {
-                    int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+                    const int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
 
-                    size_t count = size_t(readSize) / sizeof(struct input_event);
+                    const size_t count = size_t(readSize) / sizeof(struct input_event);
                     for (size_t i = 0; i < count; i++) {
                         struct input_event& iev = readBuffer[i];
-                        event->when = processEventTimestamp(iev);
-                        event->readTime = systemTime(SYSTEM_TIME_MONOTONIC);
-                        event->deviceId = deviceId;
-                        event->type = iev.type;
-                        event->code = iev.code;
-                        event->value = iev.value;
-                        event += 1;
-                        capacity -= 1;
+                        events.push_back({
+                                .when = processEventTimestamp(iev),
+                                .readTime = systemTime(SYSTEM_TIME_MONOTONIC),
+                                .deviceId = deviceId,
+                                .type = iev.type,
+                                .code = iev.code,
+                                .value = iev.value,
+                        });
                     }
-                    if (capacity == 0) {
+                    if (events.size() >= EVENT_BUFFER_SIZE) {
                         // The result buffer is full.  Reset the pending event index
                         // so we will try to read the device again on the next iteration.
                         mPendingEventIndex -= 1;
@@ -1759,7 +1874,10 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
         // before closing the devices.
         if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) {
             mPendingINotify = false;
-            readNotifyLocked();
+            const auto res = readNotifyLocked();
+            if (!res.ok()) {
+                ALOGW("Failed to read from inotify: %s", res.error().message().c_str());
+            }
             deviceChanged = true;
         }
 
@@ -1769,7 +1887,7 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
         }
 
         // Return now if we have collected any events or if we were explicitly awoken.
-        if (event != buffer || awoken) {
+        if (!events.empty() || awoken) {
             break;
         }
 
@@ -1815,7 +1933,7 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
     }
 
     // All done, return the number of events we read.
-    return event - buffer;
+    return events;
 }
 
 std::vector<TouchVideoFrame> EventHub::getVideoFrames(int32_t deviceId) {
@@ -2037,12 +2155,25 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
         identifier.uniqueId = buffer;
     }
 
+    // Attempt to get the bluetooth address of an input device from the uniqueId.
+    if (identifier.bus == BUS_BLUETOOTH &&
+        std::regex_match(identifier.uniqueId,
+                         std::regex("^[A-Fa-f0-9]{2}(?::[A-Fa-f0-9]{2}){5}$"))) {
+        identifier.bluetoothAddress = identifier.uniqueId;
+        // The Bluetooth stack requires alphabetic characters to be uppercase in a valid address.
+        for (auto& c : *identifier.bluetoothAddress) {
+            c = ::toupper(c);
+        }
+    }
+
     // Fill in the descriptor.
     assignDescriptorLocked(identifier);
 
     // Allocate device.  (The device object takes ownership of the fd at this point.)
     int32_t deviceId = mNextDeviceId++;
-    std::unique_ptr<Device> device = std::make_unique<Device>(fd, deviceId, devicePath, identifier);
+    std::unique_ptr<Device> device =
+            std::make_unique<Device>(fd, deviceId, devicePath, identifier,
+                                     obtainAssociatedDeviceLocked(devicePath));
 
     ALOGV("add device %d: %s\n", deviceId, devicePath.c_str());
     ALOGV("  bus:        %04x\n"
@@ -2060,27 +2191,6 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
     // Load the configuration file for the device.
     device->loadConfigurationLocked();
 
-    bool hasBattery = false;
-    bool hasLights = false;
-    // Check the sysfs root path
-    std::optional<std::filesystem::path> sysfsRootPath = getSysfsRootPath(devicePath.c_str());
-    if (sysfsRootPath.has_value()) {
-        std::shared_ptr<AssociatedDevice> associatedDevice;
-        for (const auto& [id, dev] : mDevices) {
-            if (device->identifier.descriptor == dev->identifier.descriptor &&
-                !dev->associatedDevice) {
-                associatedDevice = dev->associatedDevice;
-            }
-        }
-        if (!associatedDevice) {
-            associatedDevice = std::make_shared<AssociatedDevice>(sysfsRootPath.value());
-        }
-        hasBattery = associatedDevice->configureBatteryLocked();
-        hasLights = associatedDevice->configureLightsLocked();
-
-        device->associatedDevice = associatedDevice;
-    }
-
     // Figure out the kinds of events the device reports.
     device->readDeviceBitMask(EVIOCGBIT(EV_KEY, 0), device->keyBitmask);
     device->readDeviceBitMask(EVIOCGBIT(EV_ABS, 0), device->absBitmask);
@@ -2091,13 +2201,15 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
     device->readDeviceBitMask(EVIOCGBIT(EV_MSC, 0), device->mscBitmask);
     device->readDeviceBitMask(EVIOCGPROP(0), device->propBitmask);
 
-    // See if this is a keyboard.  Ignore everything in the button range except for
-    // joystick and gamepad buttons which are handled like keyboards for the most part.
+    // See if this is a device with keys. This could be full keyboard, or other devices like
+    // gamepads, joysticks, and styluses with buttons that should generate key presses.
     bool haveKeyboardKeys =
             device->keyBitmask.any(0, BTN_MISC) || device->keyBitmask.any(BTN_WHEEL, KEY_MAX + 1);
     bool haveGamepadButtons = device->keyBitmask.any(BTN_MISC, BTN_MOUSE) ||
             device->keyBitmask.any(BTN_JOYSTICK, BTN_DIGI);
-    if (haveKeyboardKeys || haveGamepadButtons) {
+    bool haveStylusButtons = device->keyBitmask.test(BTN_STYLUS) ||
+            device->keyBitmask.test(BTN_STYLUS2) || device->keyBitmask.test(BTN_STYLUS3);
+    if (haveKeyboardKeys || haveGamepadButtons || haveStylusButtons) {
         device->classes |= InputDeviceClass::KEYBOARD;
     }
 
@@ -2107,12 +2219,13 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
         device->classes |= InputDeviceClass::CURSOR;
     }
 
-    // See if this is a rotary encoder type device.
-    String8 deviceType = String8();
-    if (device->configuration &&
-        device->configuration->tryGetProperty(String8("device.type"), deviceType)) {
-        if (!deviceType.compare(String8("rotaryEncoder"))) {
+    // See if the device is specially configured to be of a certain type.
+    std::string deviceType;
+    if (device->configuration && device->configuration->tryGetProperty("device.type", deviceType)) {
+        if (deviceType == "rotaryEncoder") {
             device->classes |= InputDeviceClass::ROTARY_ENCODER;
+        } else if (deviceType == "externalStylus") {
+            device->classes |= InputDeviceClass::EXTERNAL_STYLUS;
         }
     }
 
@@ -2124,19 +2237,19 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
         // a touch screen.
         if (device->keyBitmask.test(BTN_TOUCH) || !haveGamepadButtons) {
             device->classes |= (InputDeviceClass::TOUCH | InputDeviceClass::TOUCH_MT);
+            if (device->propBitmask.test(INPUT_PROP_POINTER) &&
+                !device->keyBitmask.any(BTN_TOOL_PEN, BTN_TOOL_FINGER) && !haveStylusButtons) {
+                device->classes |= InputDeviceClass::TOUCHPAD;
+            }
         }
         // Is this an old style single-touch driver?
     } else if (device->keyBitmask.test(BTN_TOUCH) && device->absBitmask.test(ABS_X) &&
                device->absBitmask.test(ABS_Y)) {
         device->classes |= InputDeviceClass::TOUCH;
-        // Is this a BT stylus?
+        // Is this a stylus that reports contact/pressure independently of touch coordinates?
     } else if ((device->absBitmask.test(ABS_PRESSURE) || device->keyBitmask.test(BTN_TOUCH)) &&
                !device->absBitmask.test(ABS_X) && !device->absBitmask.test(ABS_Y)) {
         device->classes |= InputDeviceClass::EXTERNAL_STYLUS;
-        // Keyboard will try to claim some of the buttons but we really want to reserve those so we
-        // can fuse it with the touch screen data, so just take them back. Note this means an
-        // external stylus cannot also be a keyboard device.
-        device->classes &= ~InputDeviceClass::KEYBOARD;
     }
 
     // See if this device is a joystick.
@@ -2221,6 +2334,16 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
                 break;
             }
         }
+
+        // See if this device has any stylus buttons that we would want to fuse with touch data.
+        if (!device->classes.any(InputDeviceClass::TOUCH | InputDeviceClass::TOUCH_MT)) {
+            for (int32_t keycode : STYLUS_BUTTON_KEYCODES) {
+                if (device->hasKeycodeLocked(keycode)) {
+                    device->classes |= InputDeviceClass::EXTERNAL_STYLUS;
+                    break;
+                }
+            }
+        }
     }
 
     // If the device isn't recognized as something we handle, don't monitor it.
@@ -2231,12 +2354,12 @@ void EventHub::openDeviceLocked(const std::string& devicePath) {
     }
 
     // Classify InputDeviceClass::BATTERY.
-    if (hasBattery) {
+    if (device->associatedDevice && !device->associatedDevice->batteryInfos.empty()) {
         device->classes |= InputDeviceClass::BATTERY;
     }
 
     // Classify InputDeviceClass::LIGHT.
-    if (hasLights) {
+    if (device->associatedDevice && !device->associatedDevice->lightInfos.empty()) {
         device->classes |= InputDeviceClass::LIGHT;
     }
 
@@ -2304,7 +2427,7 @@ bool EventHub::tryAddVideoDeviceLocked(EventHub::Device& device,
     return true;
 }
 
-bool EventHub::isDeviceEnabled(int32_t deviceId) {
+bool EventHub::isDeviceEnabled(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
     if (device == nullptr) {
@@ -2359,7 +2482,7 @@ void EventHub::createVirtualKeyboardLocked() {
 
     std::unique_ptr<Device> device =
             std::make_unique<Device>(-1, ReservedInputDeviceId::VIRTUAL_KEYBOARD_ID, "<virtual>",
-                                     identifier);
+                                     identifier, nullptr /*associatedDevice*/);
     device->classes = InputDeviceClass::KEYBOARD | InputDeviceClass::ALPHAKEY |
             InputDeviceClass::DPAD | InputDeviceClass::VIRTUAL;
     device->loadKeyMapLocked();
@@ -2449,53 +2572,56 @@ void EventHub::closeDeviceLocked(Device& device) {
     mDevices.erase(device.id);
 }
 
-status_t EventHub::readNotifyLocked() {
-    int res;
-    char event_buf[512];
-    int event_size;
-    int event_pos = 0;
-    struct inotify_event* event;
+base::Result<void> EventHub::readNotifyLocked() {
+    static constexpr auto EVENT_SIZE = static_cast<ssize_t>(sizeof(inotify_event));
+    uint8_t eventBuffer[512];
+    ssize_t sizeRead;
 
     ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd);
-    res = read(mINotifyFd, event_buf, sizeof(event_buf));
-    if (res < (int)sizeof(*event)) {
-        if (errno == EINTR) return 0;
-        ALOGW("could not get event, %s\n", strerror(errno));
-        return -1;
-    }
-
-    while (res >= (int)sizeof(*event)) {
-        event = (struct inotify_event*)(event_buf + event_pos);
-        if (event->len) {
-            if (event->wd == mDeviceInputWd) {
-                std::string filename = std::string(DEVICE_INPUT_PATH) + "/" + event->name;
-                if (event->mask & IN_CREATE) {
-                    openDeviceLocked(filename);
-                } else {
-                    ALOGI("Removing device '%s' due to inotify event\n", filename.c_str());
-                    closeDeviceByPathLocked(filename);
-                }
-            } else if (event->wd == mDeviceWd) {
-                if (isV4lTouchNode(event->name)) {
-                    std::string filename = std::string(DEVICE_PATH) + "/" + event->name;
-                    if (event->mask & IN_CREATE) {
-                        openVideoDeviceLocked(filename);
-                    } else {
-                        ALOGI("Removing video device '%s' due to inotify event", filename.c_str());
-                        closeVideoDeviceByPathLocked(filename);
-                    }
-                } else if (strcmp(event->name, "input") == 0 && event->mask & IN_CREATE) {
-                    addDeviceInputInotify();
-                }
+    do {
+        sizeRead = read(mINotifyFd, eventBuffer, sizeof(eventBuffer));
+    } while (sizeRead < 0 && errno == EINTR);
+
+    if (sizeRead < EVENT_SIZE) return Errorf("could not get event, %s", strerror(errno));
+
+    for (ssize_t eventPos = 0; sizeRead >= EVENT_SIZE;) {
+        const inotify_event* event;
+        event = (const inotify_event*)(eventBuffer + eventPos);
+        if (event->len == 0) continue;
+
+        handleNotifyEventLocked(*event);
+
+        const ssize_t eventSize = EVENT_SIZE + event->len;
+        sizeRead -= eventSize;
+        eventPos += eventSize;
+    }
+    return {};
+}
+
+void EventHub::handleNotifyEventLocked(const inotify_event& event) {
+    if (event.wd == mDeviceInputWd) {
+        std::string filename = std::string(DEVICE_INPUT_PATH) + "/" + event.name;
+        if (event.mask & IN_CREATE) {
+            openDeviceLocked(filename);
+        } else {
+            ALOGI("Removing device '%s' due to inotify event\n", filename.c_str());
+            closeDeviceByPathLocked(filename);
+        }
+    } else if (event.wd == mDeviceWd) {
+        if (isV4lTouchNode(event.name)) {
+            std::string filename = std::string(DEVICE_PATH) + "/" + event.name;
+            if (event.mask & IN_CREATE) {
+                openVideoDeviceLocked(filename);
             } else {
-                LOG_ALWAYS_FATAL("Unexpected inotify event, wd = %i", event->wd);
+                ALOGI("Removing video device '%s' due to inotify event", filename.c_str());
+                closeVideoDeviceByPathLocked(filename);
             }
+        } else if (strcmp(event.name, "input") == 0 && event.mask & IN_CREATE) {
+            addDeviceInputInotify();
         }
-        event_size = sizeof(*event) + event->len;
-        res -= event_size;
-        event_pos += event_size;
+    } else {
+        LOG_ALWAYS_FATAL("Unexpected inotify event, wd = %i", event.wd);
     }
-    return 0;
 }
 
 status_t EventHub::scanDirLocked(const std::string& dirname) {
@@ -2525,7 +2651,7 @@ void EventHub::requestReopenDevices() {
     mNeedToReopenDevices = true;
 }
 
-void EventHub::dump(std::string& dump) {
+void EventHub::dump(std::string& dump) const {
     dump += "Event Hub State:\n";
 
     { // acquire lock
@@ -2551,21 +2677,26 @@ void EventHub::dump(std::string& dump) {
             dump += StringPrintf(INDENT3 "ControllerNumber: %d\n", device->controllerNumber);
             dump += StringPrintf(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.c_str());
             dump += StringPrintf(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, "
-                                         "product=0x%04x, version=0x%04x\n",
+                                         "product=0x%04x, version=0x%04x, bluetoothAddress=%s\n",
                                  device->identifier.bus, device->identifier.vendor,
-                                 device->identifier.product, device->identifier.version);
+                                 device->identifier.product, device->identifier.version,
+                                 toString(device->identifier.bluetoothAddress).c_str());
             dump += StringPrintf(INDENT3 "KeyLayoutFile: %s\n",
                                  device->keyMap.keyLayoutFile.c_str());
             dump += StringPrintf(INDENT3 "KeyCharacterMapFile: %s\n",
                                  device->keyMap.keyCharacterMapFile.c_str());
+            dump += StringPrintf(INDENT3 "CountryCode: %d\n",
+                                 device->associatedDevice ? device->associatedDevice->countryCode
+                                                          : InputDeviceCountryCode::INVALID);
             dump += StringPrintf(INDENT3 "ConfigurationFile: %s\n",
                                  device->configurationFile.c_str());
-            dump += INDENT3 "VideoDevice: ";
-            if (device->videoDevice) {
-                dump += device->videoDevice->dump() + "\n";
-            } else {
-                dump += "<none>\n";
-            }
+            dump += StringPrintf(INDENT3 "VideoDevice: %s\n",
+                                 device->videoDevice ? device->videoDevice->dump().c_str()
+                                                     : "<none>");
+            dump += StringPrintf(INDENT3 "SysfsDevicePath: %s\n",
+                                 device->associatedDevice
+                                         ? device->associatedDevice->sysfsRootPath.c_str()
+                                         : "<none>");
         }
 
         dump += INDENT "Unattached video devices:\n";
@@ -2578,9 +2709,14 @@ void EventHub::dump(std::string& dump) {
     } // release lock
 }
 
-void EventHub::monitor() {
+void EventHub::monitor() const {
     // Acquire and release the lock to ensure that the event hub has not deadlocked.
     std::unique_lock<std::mutex> lock(mLock);
 }
 
-}; // namespace android
+std::string EventHub::AssociatedDevice::dump() const {
+    return StringPrintf("path=%s, numBatteries=%zu, numLight=%zu", sysfsRootPath.c_str(),
+                        batteryInfos.size(), lightInfos.size());
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 3f26aaaebe..11b5209b0f 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -20,6 +20,7 @@
 
 #include <algorithm>
 
+#include <android/sysprop/InputProperties.sysprop.h>
 #include <ftl/flags.h>
 
 #include "CursorInputMapper.h"
@@ -33,8 +34,11 @@
 #include "SensorInputMapper.h"
 #include "SingleTouchInputMapper.h"
 #include "SwitchInputMapper.h"
+#include "TouchpadInputMapper.h"
 #include "VibratorInputMapper.h"
 
+using android::hardware::input::InputDeviceCountryCode;
+
 namespace android {
 
 InputDevice::InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
@@ -63,7 +67,8 @@ bool InputDevice::isEnabled() {
     return enabled;
 }
 
-void InputDevice::setEnabled(bool enabled, nsecs_t when) {
+std::list<NotifyArgs> InputDevice::setEnabled(bool enabled, nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (enabled && mAssociatedDisplayPort && !mAssociatedViewport) {
         ALOGW("Cannot enable input device %s because it is associated with port %" PRIu8 ", "
               "but the corresponding viewport is not found",
@@ -72,7 +77,7 @@ void InputDevice::setEnabled(bool enabled, nsecs_t when) {
     }
 
     if (isEnabled() == enabled) {
-        return;
+        return out;
     }
 
     // When resetting some devices, the driver needs to be queried to ensure that a proper reset is
@@ -80,13 +85,14 @@ void InputDevice::setEnabled(bool enabled, nsecs_t when) {
     // but before disabling the device. See MultiTouchMotionAccumulator::reset for more information.
     if (enabled) {
         for_each_subdevice([](auto& context) { context.enableDevice(); });
-        reset(when);
+        out += reset(when);
     } else {
-        reset(when);
+        out += reset(when);
         for_each_subdevice([](auto& context) { context.disableDevice(); });
     }
     // Must change generation to flag this device as changed
     bumpGeneration();
+    return out;
 }
 
 void InputDevice::dump(std::string& dump, const std::string& eventHubDevStr) {
@@ -204,7 +210,12 @@ void InputDevice::addEventHubDevice(int32_t eventHubId, bool populateMappers) {
     }
 
     // Touchscreens and touchpad devices.
-    if (classes.test(InputDeviceClass::TOUCH_MT)) {
+    static const bool ENABLE_TOUCHPAD_GESTURES_LIBRARY =
+            sysprop::InputProperties::enable_touchpad_gestures_library().value_or(false);
+    if (ENABLE_TOUCHPAD_GESTURES_LIBRARY && classes.test(InputDeviceClass::TOUCHPAD) &&
+        classes.test(InputDeviceClass::TOUCH_MT)) {
+        mappers.push_back(std::make_unique<TouchpadInputMapper>(*contextPtr));
+    } else if (classes.test(InputDeviceClass::TOUCH_MT)) {
         mappers.push_back(std::make_unique<MultiTouchInputMapper>(*contextPtr));
     } else if (classes.test(InputDeviceClass::TOUCH)) {
         mappers.push_back(std::make_unique<SingleTouchInputMapper>(*contextPtr));
@@ -239,11 +250,13 @@ void InputDevice::removeEventHubDevice(int32_t eventHubId) {
     mDevices.erase(eventHubId);
 }
 
-void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config,
-                            uint32_t changes) {
+std::list<NotifyArgs> InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config,
+                                             uint32_t changes) {
+    std::list<NotifyArgs> out;
     mSources = 0;
     mClasses = ftl::Flags<InputDeviceClass>(0);
     mControllerNumber = 0;
+    mCountryCode = InputDeviceCountryCode::INVALID;
 
     for_each_subdevice([this](InputDeviceContext& context) {
         mClasses |= context.getDeviceClasses();
@@ -255,6 +268,16 @@ void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config
             }
             mControllerNumber = controllerNumber;
         }
+
+        InputDeviceCountryCode countryCode = context.getCountryCode();
+        if (countryCode != InputDeviceCountryCode::INVALID) {
+            if (mCountryCode != InputDeviceCountryCode::INVALID && mCountryCode != countryCode) {
+                ALOGW("InputDevice::configure(): %s device contains multiple unique country "
+                      "codes",
+                      getName().c_str());
+            }
+            mCountryCode = countryCode;
+        }
     });
 
     mIsExternal = mClasses.test(InputDeviceClass::EXTERNAL);
@@ -297,10 +320,13 @@ void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config
             }
         }
 
-        if (!changes || (changes & InputReaderConfiguration::CHANGE_ENABLED_STATE)) {
+        if (changes & InputReaderConfiguration::CHANGE_ENABLED_STATE) {
+            // Do not execute this code on the first configure, because 'setEnabled' would call
+            // InputMapper::reset, and you can't reset a mapper before it has been configured.
+            // The mappers are configured for the first time at the bottom of this function.
             auto it = config->disabledDevices.find(mId);
             bool enabled = it == config->disabledDevices.end();
-            setEnabled(enabled, when);
+            out += setEnabled(enabled, when);
         }
 
         if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
@@ -353,37 +379,42 @@ void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config
                 // For first-time configuration, only allow device to be disabled after mappers have
                 // finished configuring. This is because we need to read some of the properties from
                 // the device's open fd.
-                setEnabled(enabled, when);
+                out += setEnabled(enabled, when);
             }
         }
 
-        for_each_mapper([this, when, config, changes](InputMapper& mapper) {
-            mapper.configure(when, config, changes);
+        for_each_mapper([this, when, &config, changes, &out](InputMapper& mapper) {
+            out += mapper.configure(when, config, changes);
             mSources |= mapper.getSources();
         });
 
         // If a device is just plugged but it might be disabled, we need to update some info like
         // axis range of touch from each InputMapper first, then disable it.
         if (!changes) {
-            setEnabled(config->disabledDevices.find(mId) == config->disabledDevices.end(), when);
+            out += setEnabled(config->disabledDevices.find(mId) == config->disabledDevices.end(),
+                              when);
         }
     }
+    return out;
 }
 
-void InputDevice::reset(nsecs_t when) {
-    for_each_mapper([when](InputMapper& mapper) { mapper.reset(when); });
+std::list<NotifyArgs> InputDevice::reset(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.reset(when); });
 
     mContext->updateGlobalMetaState();
 
-    notifyReset(when);
+    out.push_back(notifyReset(when));
+    return out;
 }
 
-void InputDevice::process(const RawEvent* rawEvents, size_t count) {
+std::list<NotifyArgs> InputDevice::process(const RawEvent* rawEvents, size_t count) {
     // Process all of the events in order for each mapper.
     // We cannot simply ask each mapper to process them in bulk because mappers may
     // have side-effects that must be interleaved.  For example, joystick movement events and
     // gamepad button presses are handled by different mappers but they should be dispatched
     // in the order received.
+    std::list<NotifyArgs> out;
     for (const RawEvent* rawEvent = rawEvents; count != 0; rawEvent++) {
         if (DEBUG_RAW_EVENTS) {
             ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%" PRId64,
@@ -405,28 +436,33 @@ void InputDevice::process(const RawEvent* rawEvents, size_t count) {
         } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_DROPPED) {
             ALOGI("Detected input event buffer overrun for device %s.", getName().c_str());
             mDropUntilNextSync = true;
-            reset(rawEvent->when);
+            out += reset(rawEvent->when);
         } else {
-            for_each_mapper_in_subdevice(rawEvent->deviceId, [rawEvent](InputMapper& mapper) {
-                mapper.process(rawEvent);
+            for_each_mapper_in_subdevice(rawEvent->deviceId, [&](InputMapper& mapper) {
+                out += mapper.process(rawEvent);
             });
         }
         --count;
     }
+    return out;
 }
 
-void InputDevice::timeoutExpired(nsecs_t when) {
-    for_each_mapper([when](InputMapper& mapper) { mapper.timeoutExpired(when); });
+std::list<NotifyArgs> InputDevice::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.timeoutExpired(when); });
+    return out;
 }
 
-void InputDevice::updateExternalStylusState(const StylusState& state) {
-    for_each_mapper([state](InputMapper& mapper) { mapper.updateExternalStylusState(state); });
+std::list<NotifyArgs> InputDevice::updateExternalStylusState(const StylusState& state) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.updateExternalStylusState(state); });
+    return out;
 }
 
 InputDeviceInfo InputDevice::getDeviceInfo() {
     InputDeviceInfo outDeviceInfo;
     outDeviceInfo.initialize(mId, mGeneration, mControllerNumber, mIdentifier, mAlias, mIsExternal,
-                             mHasMic);
+                             mHasMic, mCountryCode);
     for_each_mapper(
             [&outDeviceInfo](InputMapper& mapper) { mapper.populateDeviceInfo(&outDeviceInfo); });
 
@@ -470,12 +506,12 @@ int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc ge
     return result;
 }
 
-bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                        const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                        uint8_t* outFlags) {
     bool result = false;
-    for_each_mapper([&result, sourceMask, numCodes, keyCodes, outFlags](InputMapper& mapper) {
+    for_each_mapper([&result, sourceMask, keyCodes, outFlags](InputMapper& mapper) {
         if (sourcesMatchMask(mapper.getSources(), sourceMask)) {
-            result |= mapper.markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+            result |= mapper.markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
         }
     });
     return result;
@@ -498,14 +534,17 @@ int32_t InputDevice::getKeyCodeForKeyLocation(int32_t locationKeyCode) const {
     return *result;
 }
 
-void InputDevice::vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) {
-    for_each_mapper([sequence, repeat, token](InputMapper& mapper) {
-        mapper.vibrate(sequence, repeat, token);
-    });
+std::list<NotifyArgs> InputDevice::vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                           int32_t token) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.vibrate(sequence, repeat, token); });
+    return out;
 }
 
-void InputDevice::cancelVibrate(int32_t token) {
-    for_each_mapper([token](InputMapper& mapper) { mapper.cancelVibrate(token); });
+std::list<NotifyArgs> InputDevice::cancelVibrate(int32_t token) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.cancelVibrate(token); });
+    return out;
 }
 
 bool InputDevice::isVibrating() {
@@ -548,8 +587,10 @@ void InputDevice::flushSensor(InputDeviceSensorType sensorType) {
     for_each_mapper([sensorType](InputMapper& mapper) { mapper.flushSensor(sensorType); });
 }
 
-void InputDevice::cancelTouch(nsecs_t when, nsecs_t readTime) {
-    for_each_mapper([when, readTime](InputMapper& mapper) { mapper.cancelTouch(when, readTime); });
+std::list<NotifyArgs> InputDevice::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.cancelTouch(when, readTime); });
+    return out;
 }
 
 bool InputDevice::setLightColor(int32_t lightId, int32_t color) {
@@ -584,13 +625,18 @@ void InputDevice::updateMetaState(int32_t keyCode) {
     });
 }
 
+void InputDevice::addKeyRemapping(int32_t fromKeyCode, int32_t toKeyCode) {
+    for_each_subdevice([fromKeyCode, toKeyCode](auto& context) {
+        context.addKeyRemapping(fromKeyCode, toKeyCode);
+    });
+}
+
 void InputDevice::bumpGeneration() {
     mGeneration = mContext->bumpGeneration();
 }
 
-void InputDevice::notifyReset(nsecs_t when) {
-    NotifyDeviceResetArgs args(mContext->getNextId(), when, mId);
-    mContext->getListener().notifyDeviceReset(&args);
+NotifyDeviceResetArgs InputDevice::notifyReset(nsecs_t when) {
+    return NotifyDeviceResetArgs(mContext->getNextId(), when, mId);
 }
 
 std::optional<int32_t> InputDevice::getAssociatedDisplayId() {
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 905b348caa..57f679c022 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -58,6 +58,17 @@ static bool isSubDevice(const InputDeviceIdentifier& identifier1,
             identifier1.location == identifier2.location);
 }
 
+static bool isStylusPointerGestureStart(const NotifyMotionArgs& motionArgs) {
+    const auto actionMasked = MotionEvent::getActionMasked(motionArgs.action);
+    if (actionMasked != AMOTION_EVENT_ACTION_HOVER_ENTER &&
+        actionMasked != AMOTION_EVENT_ACTION_DOWN &&
+        actionMasked != AMOTION_EVENT_ACTION_POINTER_DOWN) {
+        return false;
+    }
+    const auto actionIndex = MotionEvent::getActionIndex(motionArgs.action);
+    return isStylusToolType(motionArgs.pointerProperties[actionIndex].toolType);
+}
+
 // --- InputReader ---
 
 InputReader::InputReader(std::shared_ptr<EventHubInterface> eventHub,
@@ -101,8 +112,10 @@ status_t InputReader::stop() {
 void InputReader::loopOnce() {
     int32_t oldGeneration;
     int32_t timeoutMillis;
+    // Copy some state so that we can access it outside the lock later.
     bool inputDevicesChanged = false;
     std::vector<InputDeviceInfo> inputDevices;
+    std::list<NotifyArgs> notifyArgs;
     { // acquire lock
         std::scoped_lock _l(mLock);
 
@@ -120,14 +133,14 @@ void InputReader::loopOnce() {
         }
     } // release lock
 
-    size_t count = mEventHub->getEvents(timeoutMillis, mEventBuffer, EVENT_BUFFER_SIZE);
+    std::vector<RawEvent> events = mEventHub->getEvents(timeoutMillis);
 
     { // acquire lock
         std::scoped_lock _l(mLock);
         mReaderIsAliveCondition.notify_all();
 
-        if (count) {
-            processEventsLocked(mEventBuffer, count);
+        if (!events.empty()) {
+            notifyArgs += processEventsLocked(events.data(), events.size());
         }
 
         if (mNextTimeout != LLONG_MAX) {
@@ -137,7 +150,7 @@ void InputReader::loopOnce() {
                     ALOGD("Timeout expired, latency=%0.3fms", (now - mNextTimeout) * 0.000001f);
                 }
                 mNextTimeout = LLONG_MAX;
-                timeoutExpiredLocked(now);
+                notifyArgs += timeoutExpiredLocked(now);
             }
         }
 
@@ -152,6 +165,16 @@ void InputReader::loopOnce() {
         mPolicy->notifyInputDevicesChanged(inputDevices);
     }
 
+    // Notify the policy of the start of every new stylus gesture outside the lock.
+    for (const auto& args : notifyArgs) {
+        const auto* motionArgs = std::get_if<NotifyMotionArgs>(&args);
+        if (motionArgs != nullptr && isStylusPointerGestureStart(*motionArgs)) {
+            mPolicy->notifyStylusGestureStarted(motionArgs->deviceId, motionArgs->eventTime);
+        }
+    }
+
+    notifyAll(std::move(notifyArgs));
+
     // Flush queued events out to the listener.
     // This must happen outside of the lock because the listener could potentially call
     // back into the InputReader's methods, such as getScanCodeState, or become blocked
@@ -162,7 +185,8 @@ void InputReader::loopOnce() {
     mQueuedListener.flush();
 }
 
-void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
+std::list<NotifyArgs> InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
+    std::list<NotifyArgs> out;
     for (const RawEvent* rawEvent = rawEvents; count;) {
         int32_t type = rawEvent->type;
         size_t batchSize = 1;
@@ -178,7 +202,7 @@ void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
             if (DEBUG_RAW_EVENTS) {
                 ALOGD("BatchSize: %zu Count: %zu", batchSize, count);
             }
-            processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
+            out += processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
         } else {
             switch (rawEvent->type) {
                 case EventHubInterface::DEVICE_ADDED:
@@ -198,6 +222,7 @@ void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
         count -= batchSize;
         rawEvent += batchSize;
     }
+    return out;
 }
 
 void InputReader::addDeviceLocked(nsecs_t when, int32_t eventHubId) {
@@ -208,8 +233,9 @@ void InputReader::addDeviceLocked(nsecs_t when, int32_t eventHubId) {
 
     InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(eventHubId);
     std::shared_ptr<InputDevice> device = createDeviceLocked(eventHubId, identifier);
-    device->configure(when, &mConfig, 0);
-    device->reset(when);
+
+    notifyAll(device->configure(when, &mConfig, 0));
+    notifyAll(device->reset(when));
 
     if (device->isIgnored()) {
         ALOGI("Device added: id=%d, eventHubId=%d, name='%s', descriptor='%s' "
@@ -282,10 +308,12 @@ void InputReader::removeDeviceLocked(nsecs_t when, int32_t eventHubId) {
         notifyExternalStylusPresenceChangedLocked();
     }
 
+    std::list<NotifyArgs> resetEvents;
     if (device->hasEventHubDevices()) {
-        device->configure(when, &mConfig, 0);
+        resetEvents += device->configure(when, &mConfig, 0);
     }
-    device->reset(when);
+    resetEvents += device->reset(when);
+    notifyAll(std::move(resetEvents));
 }
 
 std::shared_ptr<InputDevice> InputReader::createDeviceLocked(
@@ -308,21 +336,22 @@ std::shared_ptr<InputDevice> InputReader::createDeviceLocked(
     return device;
 }
 
-void InputReader::processEventsForDeviceLocked(int32_t eventHubId, const RawEvent* rawEvents,
-                                               size_t count) {
+std::list<NotifyArgs> InputReader::processEventsForDeviceLocked(int32_t eventHubId,
+                                                                const RawEvent* rawEvents,
+                                                                size_t count) {
     auto deviceIt = mDevices.find(eventHubId);
     if (deviceIt == mDevices.end()) {
         ALOGW("Discarding event for unknown eventHubId %d.", eventHubId);
-        return;
+        return {};
     }
 
     std::shared_ptr<InputDevice>& device = deviceIt->second;
     if (device->isIgnored()) {
         // ALOGD("Discarding event for ignored deviceId %d.", deviceId);
-        return;
+        return {};
     }
 
-    device->process(rawEvents, count);
+    return device->process(rawEvents, count);
 }
 
 InputDevice* InputReader::findInputDeviceLocked(int32_t deviceId) const {
@@ -336,13 +365,15 @@ InputDevice* InputReader::findInputDeviceLocked(int32_t deviceId) const {
     return nullptr;
 }
 
-void InputReader::timeoutExpiredLocked(nsecs_t when) {
+std::list<NotifyArgs> InputReader::timeoutExpiredLocked(nsecs_t when) {
+    std::list<NotifyArgs> out;
     for (auto& devicePair : mDevices) {
         std::shared_ptr<InputDevice>& device = devicePair.second;
         if (!device->isIgnored()) {
-            device->timeoutExpired(when);
+            out += device->timeoutExpired(when);
         }
     }
+    return out;
 }
 
 int32_t InputReader::nextInputDeviceIdLocked() {
@@ -377,7 +408,7 @@ void InputReader::refreshConfigurationLocked(uint32_t changes) {
     } else {
         for (auto& devicePair : mDevices) {
             std::shared_ptr<InputDevice>& device = devicePair.second;
-            device->configure(now, &mConfig, changes);
+            notifyAll(device->configure(now, &mConfig, changes));
         }
     }
 
@@ -394,6 +425,12 @@ void InputReader::refreshConfigurationLocked(uint32_t changes) {
     }
 }
 
+void InputReader::notifyAll(std::list<NotifyArgs>&& argsList) {
+    for (const NotifyArgs& args : argsList) {
+        mQueuedListener.notify(args);
+    }
+}
+
 void InputReader::updateGlobalMetaStateLocked() {
     mGlobalMetaState = 0;
 
@@ -432,11 +469,13 @@ void InputReader::getExternalStylusDevicesLocked(std::vector<InputDeviceInfo>& o
     }
 }
 
-void InputReader::dispatchExternalStylusStateLocked(const StylusState& state) {
+std::list<NotifyArgs> InputReader::dispatchExternalStylusStateLocked(const StylusState& state) {
+    std::list<NotifyArgs> out;
     for (auto& devicePair : mDevices) {
         std::shared_ptr<InputDevice>& device = devicePair.second;
-        device->updateExternalStylusState(state);
+        out += device->updateExternalStylusState(state);
     }
+    return out;
 }
 
 void InputReader::disableVirtualKeysUntilLocked(nsecs_t time) {
@@ -583,34 +622,43 @@ void InputReader::toggleCapsLockState(int32_t deviceId) {
     device->updateMetaState(AKEYCODE_CAPS_LOCK);
 }
 
-bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
-                          const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
+                          const std::vector<int32_t>& keyCodes, uint8_t* outFlags) {
     std::scoped_lock _l(mLock);
 
-    memset(outFlags, 0, numCodes);
-    return markSupportedKeyCodesLocked(deviceId, sourceMask, numCodes, keyCodes, outFlags);
+    memset(outFlags, 0, keyCodes.size());
+    return markSupportedKeyCodesLocked(deviceId, sourceMask, keyCodes, outFlags);
 }
 
 bool InputReader::markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
-                                              size_t numCodes, const int32_t* keyCodes,
+                                              const std::vector<int32_t>& keyCodes,
                                               uint8_t* outFlags) {
     bool result = false;
     if (deviceId >= 0) {
         InputDevice* device = findInputDeviceLocked(deviceId);
         if (device && !device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
-            result = device->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+            result = device->markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
         }
     } else {
         for (auto& devicePair : mDevices) {
             std::shared_ptr<InputDevice>& device = devicePair.second;
             if (!device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
-                result |= device->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+                result |= device->markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
             }
         }
     }
     return result;
 }
 
+void InputReader::addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const {
+    std::scoped_lock _l(mLock);
+
+    InputDevice* device = findInputDeviceLocked(deviceId);
+    if (device != nullptr) {
+        device->addKeyRemapping(fromKeyCode, toKeyCode);
+    }
+}
+
 int32_t InputReader::getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const {
     std::scoped_lock _l(mLock);
 
@@ -642,7 +690,7 @@ void InputReader::vibrate(int32_t deviceId, const VibrationSequence& sequence, s
 
     InputDevice* device = findInputDeviceLocked(deviceId);
     if (device) {
-        device->vibrate(sequence, repeat, token);
+        notifyAll(device->vibrate(sequence, repeat, token));
     }
 }
 
@@ -651,7 +699,7 @@ void InputReader::cancelVibrate(int32_t deviceId, int32_t token) {
 
     InputDevice* device = findInputDeviceLocked(deviceId);
     if (device) {
-        device->cancelVibrate(token);
+        notifyAll(device->cancelVibrate(token));
     }
 }
 
@@ -721,7 +769,10 @@ std::optional<int32_t> InputReader::getBatteryCapacity(int32_t deviceId) {
 
     if (!eventHubId) return {};
     const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
-    if (batteryIds.empty()) return {};
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
     return mEventHub->getBatteryCapacity(*eventHubId, batteryIds.front());
 }
 
@@ -741,10 +792,35 @@ std::optional<int32_t> InputReader::getBatteryStatus(int32_t deviceId) {
 
     if (!eventHubId) return {};
     const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
-    if (batteryIds.empty()) return {};
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
     return mEventHub->getBatteryStatus(*eventHubId, batteryIds.front());
 }
 
+std::optional<std::string> InputReader::getBatteryDevicePath(int32_t deviceId) {
+    std::scoped_lock _l(mLock);
+
+    InputDevice* device = findInputDeviceLocked(deviceId);
+    if (!device) return {};
+
+    std::optional<int32_t> eventHubId = device->getBatteryEventHubId();
+    if (!eventHubId) return {};
+    const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
+    const auto batteryInfo = mEventHub->getRawBatteryInfo(*eventHubId, batteryIds.front());
+    if (!batteryInfo) {
+        ALOGW("%s: Failed to get RawBatteryInfo for battery %d of EventHub device %d", __func__,
+              batteryIds.front(), *eventHubId);
+        return {};
+    }
+    return batteryInfo->path;
+}
+
 std::vector<InputDeviceLightInfo> InputReader::getLights(int32_t deviceId) {
     std::scoped_lock _l(mLock);
 
@@ -807,6 +883,16 @@ std::optional<int32_t> InputReader::getLightPlayerId(int32_t deviceId, int32_t l
     return std::nullopt;
 }
 
+std::optional<std::string> InputReader::getBluetoothAddress(int32_t deviceId) const {
+    std::scoped_lock _l(mLock);
+
+    InputDevice* device = findInputDeviceLocked(deviceId);
+    if (device) {
+        return device->getBluetoothAddress();
+    }
+    return std::nullopt;
+}
+
 bool InputReader::isInputDeviceEnabled(int32_t deviceId) {
     std::scoped_lock _l(mLock);
 
@@ -987,18 +1073,15 @@ void InputReader::ContextImpl::getExternalStylusDevices(std::vector<InputDeviceI
     mReader->getExternalStylusDevicesLocked(outDevices);
 }
 
-void InputReader::ContextImpl::dispatchExternalStylusState(const StylusState& state) {
-    mReader->dispatchExternalStylusStateLocked(state);
+std::list<NotifyArgs> InputReader::ContextImpl::dispatchExternalStylusState(
+        const StylusState& state) {
+    return mReader->dispatchExternalStylusStateLocked(state);
 }
 
 InputReaderPolicyInterface* InputReader::ContextImpl::getPolicy() {
     return mReader->mPolicy.get();
 }
 
-InputListenerInterface& InputReader::ContextImpl::getListener() {
-    return mReader->mQueuedListener;
-}
-
 EventHubInterface* InputReader::ContextImpl::getEventHub() {
     return mReader->mEventHub.get();
 }
diff --git a/services/inputflinger/reader/Macros.h b/services/inputflinger/reader/Macros.h
index d8376894f6..e107d882b7 100644
--- a/services/inputflinger/reader/Macros.h
+++ b/services/inputflinger/reader/Macros.h
@@ -14,33 +14,70 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_MACROS_H
-#define _UI_INPUTREADER_MACROS_H
+#pragma once
 
 #define LOG_TAG "InputReader"
 
 //#define LOG_NDEBUG 0
+#include <log/log.h>
+#include <log/log_event_list.h>
 
-// Log debug messages for each raw event received from the EventHub.
-static constexpr bool DEBUG_RAW_EVENTS = false;
+namespace android {
+/**
+ * Log debug messages for each raw event received from the EventHub.
+ * Enable this via "adb shell setprop log.tag.InputReaderRawEvents DEBUG" (requires restart)
+ */
+const bool DEBUG_RAW_EVENTS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "RawEvents", ANDROID_LOG_INFO);
 
-// Log debug messages about virtual key processing.
-static constexpr bool DEBUG_VIRTUAL_KEYS = false;
+/**
+ * Log debug messages about virtual key processing.
+ * Enable this via "adb shell setprop log.tag.InputReaderVirtualKeys DEBUG" (requires restart)
+ */
+const bool DEBUG_VIRTUAL_KEYS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "VirtualKeys", ANDROID_LOG_INFO);
 
-// Log debug messages about pointers.
-static constexpr bool DEBUG_POINTERS = false;
+/**
+ * Log debug messages about pointers.
+ * Enable this via "adb shell setprop log.tag.InputReaderPointers DEBUG" (requires restart)
+ */
+const bool DEBUG_POINTERS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Pointers", ANDROID_LOG_INFO);
 
-// Log debug messages about pointer assignment calculations.
-static constexpr bool DEBUG_POINTER_ASSIGNMENT = false;
+/**
+ * Log debug messages about pointer assignment calculations.
+ * Enable this via "adb shell setprop log.tag.InputReaderPointerAssignment DEBUG" (requires restart)
+ */
+const bool DEBUG_POINTER_ASSIGNMENT =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "PointerAssignment", ANDROID_LOG_INFO);
+/**
+ * Log debug messages about gesture detection.
+ * Enable this via "adb shell setprop log.tag.InputReaderGestures DEBUG" (requires restart)
+ */
+const bool DEBUG_GESTURES =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Gestures", ANDROID_LOG_INFO);
 
-// Log debug messages about gesture detection.
-static constexpr bool DEBUG_GESTURES = false;
+/**
+ * Log debug messages about the vibrator.
+ * Enable this via "adb shell setprop log.tag.InputReaderVibrator DEBUG" (requires restart)
+ */
+const bool DEBUG_VIBRATOR =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Vibrator", ANDROID_LOG_INFO);
 
-// Log debug messages about the vibrator.
-static constexpr bool DEBUG_VIBRATOR = false;
+/**
+ * Log debug messages about fusing stylus data.
+ * Enable this via "adb shell setprop log.tag.InputReaderStylusFusion DEBUG" (requires restart)
+ */
+const bool DEBUG_STYLUS_FUSION =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "StylusFusion", ANDROID_LOG_INFO);
 
-// Log debug messages about fusing stylus data.
-static constexpr bool DEBUG_STYLUS_FUSION = false;
+/**
+ * Log detailed debug messages about input device lights.
+ * Enable this via "adb shell setprop log.tag.InputReaderLightDetails DEBUG" (requires restart)
+ */
+const bool DEBUG_LIGHT_DETAILS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "LightDetails", ANDROID_LOG_INFO);
+} // namespace android
 
 #define INDENT "  "
 #define INDENT2 "    "
@@ -77,5 +114,3 @@ static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {
 }
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_MACROS_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/TouchVideoDevice.cpp b/services/inputflinger/reader/TouchVideoDevice.cpp
index 2f8138b832..627dcba9cf 100644
--- a/services/inputflinger/reader/TouchVideoDevice.cpp
+++ b/services/inputflinger/reader/TouchVideoDevice.cpp
@@ -198,8 +198,9 @@ std::optional<TouchVideoFrame> TouchVideoDevice::readFrame() {
     if ((buf.flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) != V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC) {
         // We use CLOCK_MONOTONIC for input events, so if the clocks don't match,
         // we can't compare timestamps. Just log a warning, since this is a driver issue
-        ALOGW("The timestamp %ld.%ld was not acquired using CLOCK_MONOTONIC", buf.timestamp.tv_sec,
-              buf.timestamp.tv_usec);
+        ALOGW("The timestamp %lld.%lld was not acquired using CLOCK_MONOTONIC",
+              static_cast<long long>(buf.timestamp.tv_sec),
+              static_cast<long long>(buf.timestamp.tv_usec));
     }
     std::vector<int16_t> data(mHeight * mWidth);
     const int16_t* readFrom = mReadLocations[buf.index];
diff --git a/services/inputflinger/reader/controller/PeripheralController.cpp b/services/inputflinger/reader/controller/PeripheralController.cpp
index 8065f57524..cedbacb046 100644
--- a/services/inputflinger/reader/controller/PeripheralController.cpp
+++ b/services/inputflinger/reader/controller/PeripheralController.cpp
@@ -16,15 +16,13 @@
 
 #include <locale>
 #include <regex>
+#include <set>
 
 #include <ftl/enum.h>
 
 #include "../Macros.h"
 #include "PeripheralController.h"
 
-// Log detailed debug messages about input device lights.
-static constexpr bool DEBUG_LIGHT_DETAILS = false;
-
 namespace android {
 
 static inline int32_t getAlpha(int32_t color) {
@@ -73,7 +71,7 @@ std::optional<std::int32_t> PeripheralController::Light::getRawLightBrightness(i
 
     // If the light node doesn't have max brightness, use the default max brightness.
     int rawMaxBrightness = rawInfoOpt->maxBrightness.value_or(MAX_BRIGHTNESS);
-    float ratio = MAX_BRIGHTNESS / rawMaxBrightness;
+    float ratio = static_cast<float>(MAX_BRIGHTNESS) / rawMaxBrightness;
     // Scale the returned brightness in [0, rawMaxBrightness] to [0, 255]
     if (rawMaxBrightness != MAX_BRIGHTNESS) {
         brightness = brightness * ratio;
@@ -92,7 +90,7 @@ void PeripheralController::Light::setRawLightBrightness(int32_t rawLightId, int3
     }
     // If the light node doesn't have max brightness, use the default max brightness.
     int rawMaxBrightness = rawInfo->maxBrightness.value_or(MAX_BRIGHTNESS);
-    float ratio = MAX_BRIGHTNESS / rawMaxBrightness;
+    float ratio = static_cast<float>(MAX_BRIGHTNESS) / rawMaxBrightness;
     // Scale the requested brightness in [0, 255] to [0, rawMaxBrightness]
     if (rawMaxBrightness != MAX_BRIGHTNESS) {
         brightness = ceil(brightness / ratio);
@@ -274,7 +272,8 @@ void PeripheralController::populateDeviceInfo(InputDeviceInfo* deviceInfo) {
 
     for (const auto& [lightId, light] : mLights) {
         // Input device light doesn't support ordinal, always pass 1.
-        InputDeviceLightInfo lightInfo(light->name, light->id, light->type, 1 /* ordinal */);
+        InputDeviceLightInfo lightInfo(light->name, light->id, light->type, light->capabilityFlags,
+                                       1 /* ordinal */);
         deviceInfo->addLightInfo(lightInfo);
     }
 }
@@ -287,6 +286,8 @@ void PeripheralController::dump(std::string& dump) {
             dump += StringPrintf(INDENT4 "Id: %d", lightId);
             dump += StringPrintf(INDENT4 "Name: %s", light->name.c_str());
             dump += StringPrintf(INDENT4 "Type: %s", ftl::enum_string(light->type).c_str());
+            dump += StringPrintf(INDENT4 "Capability flags: %s",
+                                 light->capabilityFlags.string().c_str());
             light->dump(dump);
         }
     }
@@ -366,6 +367,8 @@ void PeripheralController::configureLights() {
     std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds;
     // Map from player Id to raw light Id
     std::unordered_map<int32_t, int32_t> playerIdLightIds;
+    // Set of Keyboard backlights
+    std::set<int32_t> keyboardBacklightIds;
 
     // Check raw lights
     const std::vector<int32_t> rawLightIds = getDeviceContext().getRawLightIds();
@@ -394,6 +397,10 @@ void PeripheralController::configureLights() {
                 }
             }
         }
+        // Check if this is a Keyboard backlight
+        if (rawInfo->flags.test(InputLightClass::KEYBOARD_BACKLIGHT)) {
+            keyboardBacklightIds.insert(rawId);
+        }
         // Check if this is an LED of RGB light
         if (rawInfo->flags.test(InputLightClass::RED)) {
             hasRedLed = true;
@@ -434,8 +441,21 @@ void PeripheralController::configureLights() {
             ALOGD("Rgb light ids [%d, %d, %d] \n", rawRgbIds.at(LightColor::RED),
                   rawRgbIds.at(LightColor::GREEN), rawRgbIds.at(LightColor::BLUE));
         }
+        bool isKeyboardBacklight = keyboardBacklightIds.find(rawRgbIds.at(LightColor::RED)) !=
+                        keyboardBacklightIds.end() &&
+                keyboardBacklightIds.find(rawRgbIds.at(LightColor::GREEN)) !=
+                        keyboardBacklightIds.end() &&
+                keyboardBacklightIds.find(rawRgbIds.at(LightColor::BLUE)) !=
+                        keyboardBacklightIds.end() &&
+                (!rawGlobalId.has_value() ||
+                 keyboardBacklightIds.find(rawGlobalId.value()) != keyboardBacklightIds.end());
+
         std::unique_ptr<Light> light =
-                std::make_unique<RgbLight>(getDeviceContext(), ++mNextId, rawRgbIds, rawGlobalId);
+                std::make_unique<RgbLight>(getDeviceContext(), ++mNextId,
+                                           isKeyboardBacklight
+                                                   ? InputDeviceLightType::KEYBOARD_BACKLIGHT
+                                                   : InputDeviceLightType::INPUT,
+                                           rawRgbIds, rawGlobalId);
         mLights.insert_or_assign(light->id, std::move(light));
         // Remove from raw light info as they've been composed a RBG light.
         rawInfos.erase(rawRgbIds.at(LightColor::RED));
@@ -448,6 +468,10 @@ void PeripheralController::configureLights() {
 
     // Check the rest of raw light infos
     for (const auto& [rawId, rawInfo] : rawInfos) {
+        InputDeviceLightType type = keyboardBacklightIds.find(rawId) != keyboardBacklightIds.end()
+                ? InputDeviceLightType::KEYBOARD_BACKLIGHT
+                : InputDeviceLightType::INPUT;
+
         // If the node is multi-color led, construct a MULTI_COLOR light
         if (rawInfo.flags.test(InputLightClass::MULTI_INDEX) &&
             rawInfo.flags.test(InputLightClass::MULTI_INTENSITY)) {
@@ -456,7 +480,7 @@ void PeripheralController::configureLights() {
             }
             std::unique_ptr<Light> light =
                     std::make_unique<MultiColorLight>(getDeviceContext(), rawInfo.name, ++mNextId,
-                                                      rawInfo.id);
+                                                      type, rawInfo.id);
             mLights.insert_or_assign(light->id, std::move(light));
             continue;
         }
@@ -465,7 +489,7 @@ void PeripheralController::configureLights() {
             ALOGD("Mono light Id %d name %s \n", rawInfo.id, rawInfo.name.c_str());
         }
         std::unique_ptr<Light> light = std::make_unique<MonoLight>(getDeviceContext(), rawInfo.name,
-                                                                   ++mNextId, rawInfo.id);
+                                                                   ++mNextId, type, rawInfo.id);
 
         mLights.insert_or_assign(light->id, std::move(light));
     }
diff --git a/services/inputflinger/reader/controller/PeripheralController.h b/services/inputflinger/reader/controller/PeripheralController.h
index ac951ebe2a..8ac42c3792 100644
--- a/services/inputflinger/reader/controller/PeripheralController.h
+++ b/services/inputflinger/reader/controller/PeripheralController.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_LIGHT_CONTROLLER_H
-#define _UI_INPUTREADER_LIGHT_CONTROLLER_H
+#pragma once
 
 #include "PeripheralControllerInterface.h"
 
@@ -68,6 +67,7 @@ private:
         std::string name;
         int32_t id;
         InputDeviceLightType type;
+        ftl::Flags<InputDeviceLightCapability> capabilityFlags;
 
         virtual bool setLightColor(int32_t color) { return false; }
         virtual std::optional<int32_t> getLightColor() { return std::nullopt; }
@@ -82,8 +82,10 @@ private:
 
     struct MonoLight : public Light {
         explicit MonoLight(InputDeviceContext& context, const std::string& name, int32_t id,
-                           int32_t rawId)
-              : Light(context, name, id, InputDeviceLightType::MONO), rawId(rawId) {}
+                           InputDeviceLightType type, int32_t rawId)
+              : Light(context, name, id, type), rawId(rawId) {
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+        }
         int32_t rawId;
 
         bool setLightColor(int32_t color) override;
@@ -92,15 +94,15 @@ private:
     };
 
     struct RgbLight : public Light {
-        explicit RgbLight(InputDeviceContext& context, int32_t id,
+        explicit RgbLight(InputDeviceContext& context, int32_t id, InputDeviceLightType type,
                           const std::unordered_map<LightColor, int32_t>& rawRgbIds,
                           std::optional<int32_t> rawGlobalId)
-              : Light(context, "RGB", id, InputDeviceLightType::RGB),
-                rawRgbIds(rawRgbIds),
-                rawGlobalId(rawGlobalId) {
+              : Light(context, "RGB", id, type), rawRgbIds(rawRgbIds), rawGlobalId(rawGlobalId) {
             brightness = rawGlobalId.has_value()
                     ? getRawLightBrightness(rawGlobalId.value()).value_or(MAX_BRIGHTNESS)
                     : MAX_BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::RGB;
         }
         // Map from color to raw light id.
         std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds;
@@ -115,8 +117,11 @@ private:
 
     struct MultiColorLight : public Light {
         explicit MultiColorLight(InputDeviceContext& context, const std::string& name, int32_t id,
-                                 int32_t rawId)
-              : Light(context, name, id, InputDeviceLightType::MULTI_COLOR), rawId(rawId) {}
+                                 InputDeviceLightType type, int32_t rawId)
+              : Light(context, name, id, type), rawId(rawId) {
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::RGB;
+        }
         int32_t rawId;
 
         bool setLightColor(int32_t color) override;
@@ -132,7 +137,7 @@ private:
         // Map from player Id to raw light Id
         std::unordered_map<int32_t, int32_t> rawLightIds;
 
-        bool setLightPlayerId(int32_t palyerId) override;
+        bool setLightPlayerId(int32_t playerId) override;
         std::optional<int32_t> getLightPlayerId() override;
         void dump(std::string& dump) override;
     };
@@ -150,5 +155,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_LIGHT_CONTROLLER_H
diff --git a/services/inputflinger/reader/controller/PeripheralControllerInterface.h b/services/inputflinger/reader/controller/PeripheralControllerInterface.h
index 306e36119b..76ed1ca038 100644
--- a/services/inputflinger/reader/controller/PeripheralControllerInterface.h
+++ b/services/inputflinger/reader/controller/PeripheralControllerInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_CONTROLLER_H
-#define _UI_INPUTREADER_INPUT_CONTROLLER_H
+#pragma once
 
 #include "EventHub.h"
 #include "InputDevice.h"
@@ -50,5 +49,3 @@ public:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_CONTROLLER_H
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 54c6810a33..8a844b2088 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _RUNTIME_EVENT_HUB_H
-#define _RUNTIME_EVENT_HUB_H
+#pragma once
 
 #include <bitset>
 #include <climits>
 #include <filesystem>
 #include <unordered_map>
+#include <utility>
 #include <vector>
 
 #include <batteryservice/BatteryService.h>
@@ -36,13 +36,15 @@
 #include <sys/epoll.h>
 #include <utils/BitSet.h>
 #include <utils/Errors.h>
-#include <utils/KeyedVector.h>
 #include <utils/List.h>
 #include <utils/Log.h>
 #include <utils/Mutex.h>
 
 #include "TouchVideoDevice.h"
 #include "VibrationElement.h"
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
+struct inotify_event;
 
 namespace android {
 
@@ -65,22 +67,15 @@ struct RawEvent {
 
 /* Describes an absolute axis. */
 struct RawAbsoluteAxisInfo {
-    bool valid; // true if the information is valid, false otherwise
-
-    int32_t minValue;   // minimum value
-    int32_t maxValue;   // maximum value
-    int32_t flat;       // center flat position, eg. flat == 8 means center is between -8 and 8
-    int32_t fuzz;       // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
-    int32_t resolution; // resolution in units per mm or radians per mm
-
-    inline void clear() {
-        valid = false;
-        minValue = 0;
-        maxValue = 0;
-        flat = 0;
-        fuzz = 0;
-        resolution = 0;
-    }
+    bool valid{false}; // true if the information is valid, false otherwise
+
+    int32_t minValue{};   // minimum value
+    int32_t maxValue{};   // maximum value
+    int32_t flat{};       // center flat position, eg. flat == 8 means center is between -8 and 8
+    int32_t fuzz{};       // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+    int32_t resolution{}; // resolution in units per mm or radians per mm
+
+    inline void clear() { *this = RawAbsoluteAxisInfo(); }
 };
 
 /*
@@ -99,7 +94,7 @@ enum class InputDeviceClass : uint32_t {
     /* The input device is a cursor device such as a trackball or mouse. */
     CURSOR = 0x00000008,
 
-    /* The input device is a multi-touch touchscreen. */
+    /* The input device is a multi-touch touchscreen or touchpad. */
     TOUCH_MT = 0x00000010,
 
     /* The input device is a directional pad (implies keyboard, has DPAD keys). */
@@ -135,6 +130,9 @@ enum class InputDeviceClass : uint32_t {
     /* The input device has sysfs controllable lights */
     LIGHT = 0x00008000,
 
+    /* The input device is a touchpad, requiring an on-screen cursor. */
+    TOUCHPAD = 0x00010000,
+
     /* The input device is virtual (not a real device, not part of UI configuration). */
     VIRTUAL = 0x40000000,
 
@@ -172,6 +170,8 @@ enum class InputLightClass : uint32_t {
     MULTI_INTENSITY = 0x00000040,
     /* The input light has max brightness node. */
     MAX_BRIGHTNESS = 0x00000080,
+    /* The input light has kbd_backlight name */
+    KEYBOARD_BACKLIGHT = 0x00000100,
 };
 
 enum class InputBatteryClass : uint32_t {
@@ -191,6 +191,9 @@ struct RawLightInfo {
     ftl::Flags<InputLightClass> flags;
     std::array<int32_t, COLOR_NUM> rgbIndex;
     std::filesystem::path path;
+
+    bool operator==(const RawLightInfo&) const = default;
+    bool operator!=(const RawLightInfo&) const = default;
 };
 
 /* Describes a raw battery. */
@@ -199,6 +202,9 @@ struct RawBatteryInfo {
     std::string name;
     ftl::Flags<InputBatteryClass> flags;
     std::filesystem::path path;
+
+    bool operator==(const RawBatteryInfo&) const = default;
+    bool operator!=(const RawBatteryInfo&) const = default;
 };
 
 /*
@@ -256,6 +262,9 @@ public:
 
     virtual bool hasMscEvent(int32_t deviceId, int mscEvent) const = 0;
 
+    virtual void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode,
+                                 int32_t toKeyCode) const = 0;
+
     virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
                             int32_t metaState, int32_t* outKeycode, int32_t* outMetaState,
                             uint32_t* outFlags) const = 0;
@@ -278,29 +287,30 @@ public:
      *
      * Returns the number of events obtained, or 0 if the timeout expired.
      */
-    virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
+    virtual std::vector<RawEvent> getEvents(int timeoutMillis) = 0;
     virtual std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) = 0;
-    virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
-                                                                              int32_t absCode) = 0;
+    virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const = 0;
     // Raw batteries are sysfs power_supply nodes we found from the EventHub device sysfs node,
     // containing the raw info of the sysfs node structure.
-    virtual const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) = 0;
+    virtual std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const = 0;
     virtual std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
-                                                            int32_t BatteryId) = 0;
+                                                            int32_t BatteryId) const = 0;
 
     // Raw lights are sysfs led light nodes we found from the EventHub device sysfs node,
     // containing the raw info of the sysfs node structure.
-    virtual const std::vector<int32_t> getRawLightIds(int32_t deviceId) = 0;
-    virtual std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) = 0;
-    virtual std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) = 0;
+    virtual std::vector<int32_t> getRawLightIds(int32_t deviceId) const = 0;
+    virtual std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId,
+                                                        int32_t lightId) const = 0;
+    virtual std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const = 0;
     virtual void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) = 0;
     virtual std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) = 0;
+            int32_t deviceId, int32_t lightId) const = 0;
     virtual void setLightIntensities(int32_t deviceId, int32_t lightId,
                                      std::unordered_map<LightColor, int32_t> intensities) = 0;
-    /*
-     * Query current input state.
-     */
+    /* Query Country code associated with the input device. */
+    virtual hardware::input::InputDeviceCountryCode getCountryCode(int32_t deviceId) const = 0;
+    /* Query current input state. */
     virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0;
     virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0;
     virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0;
@@ -311,7 +321,7 @@ public:
     /*
      * Examine key input devices for specific framework keycode support
      */
-    virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+    virtual bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                        uint8_t* outFlags) const = 0;
 
     virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const = 0;
@@ -331,7 +341,7 @@ public:
     /* Control the vibrator. */
     virtual void vibrate(int32_t deviceId, const VibrationElement& effect) = 0;
     virtual void cancelVibrate(int32_t deviceId) = 0;
-    virtual std::vector<int32_t> getVibratorIds(int32_t deviceId) = 0;
+    virtual std::vector<int32_t> getVibratorIds(int32_t deviceId) const = 0;
 
     /* Query battery level. */
     virtual std::optional<int32_t> getBatteryCapacity(int32_t deviceId,
@@ -347,13 +357,13 @@ public:
     virtual void wake() = 0;
 
     /* Dump EventHub state to a string. */
-    virtual void dump(std::string& dump) = 0;
+    virtual void dump(std::string& dump) const = 0;
 
     /* Called by the heatbeat to ensures that the reader has not deadlocked. */
-    virtual void monitor() = 0;
+    virtual void monitor() const = 0;
 
     /* Return true if the device is enabled. */
-    virtual bool isDeviceEnabled(int32_t deviceId) = 0;
+    virtual bool isDeviceEnabled(int32_t deviceId) const = 0;
 
     /* Enable an input device */
     virtual status_t enableDevice(int32_t deviceId) = 0;
@@ -453,6 +463,9 @@ public:
 
     bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
 
+    void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode,
+                         int32_t toKeyCode) const override final;
+
     status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
                     int32_t* outKeycode, int32_t* outMetaState,
                     uint32_t* outFlags) const override final;
@@ -461,23 +474,27 @@ public:
                      AxisInfo* outAxisInfo) const override final;
 
     base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
-            int32_t deviceId, int32_t absCode) override final;
+            int32_t deviceId, int32_t absCode) const override final;
 
-    const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) override final;
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override final;
     std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
-                                                    int32_t BatteryId) override final;
+                                                    int32_t BatteryId) const override final;
 
-    const std::vector<int32_t> getRawLightIds(int32_t deviceId) override final;
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override final;
 
-    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) override final;
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId,
+                                                int32_t lightId) const override final;
 
-    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) override final;
+    std::optional<int32_t> getLightBrightness(int32_t deviceId,
+                                              int32_t lightId) const override final;
     void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override final;
     std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) override final;
+            int32_t deviceId, int32_t lightId) const override final;
     void setLightIntensities(int32_t deviceId, int32_t lightId,
                              std::unordered_map<LightColor, int32_t> intensities) override final;
 
+    hardware::input::InputDeviceCountryCode getCountryCode(int32_t deviceId) const override final;
+
     void setExcludedDevices(const std::vector<std::string>& devices) override final;
 
     int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override final;
@@ -488,10 +505,10 @@ public:
     status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
                                   int32_t* outValue) const override final;
 
-    bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) const override final;
 
-    size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) override final;
+    std::vector<RawEvent> getEvents(int timeoutMillis) override final;
     std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override final;
 
     bool hasScanCode(int32_t deviceId, int32_t scanCode) const override final;
@@ -510,15 +527,15 @@ public:
 
     void vibrate(int32_t deviceId, const VibrationElement& effect) override final;
     void cancelVibrate(int32_t deviceId) override final;
-    std::vector<int32_t> getVibratorIds(int32_t deviceId) override final;
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override final;
 
     void requestReopenDevices() override final;
 
     void wake() override final;
 
-    void dump(std::string& dump) override final;
+    void dump(std::string& dump) const override final;
 
-    void monitor() override final;
+    void monitor() const override final;
 
     std::optional<int32_t> getBatteryCapacity(int32_t deviceId,
                                               int32_t batteryId) const override final;
@@ -526,7 +543,7 @@ public:
     std::optional<int32_t> getBatteryStatus(int32_t deviceId,
                                             int32_t batteryId) const override final;
 
-    bool isDeviceEnabled(int32_t deviceId) override final;
+    bool isDeviceEnabled(int32_t deviceId) const override final;
 
     status_t enableDevice(int32_t deviceId) override final;
 
@@ -535,20 +552,17 @@ public:
     ~EventHub() override;
 
 private:
+    // Holds information about the sysfs device associated with the Device.
     struct AssociatedDevice {
-        // The device descriptor from evdev device the misc device associated with.
-        std::string descriptor;
         // The sysfs root path of the misc device.
         std::filesystem::path sysfsRootPath;
+        hardware::input::InputDeviceCountryCode countryCode;
+        std::unordered_map<int32_t /*batteryId*/, RawBatteryInfo> batteryInfos;
+        std::unordered_map<int32_t /*lightId*/, RawLightInfo> lightInfos;
 
-        int32_t nextBatteryId;
-        int32_t nextLightId;
-        std::unordered_map<int32_t, RawBatteryInfo> batteryInfos;
-        std::unordered_map<int32_t, RawLightInfo> lightInfos;
-        explicit AssociatedDevice(std::filesystem::path sysfsRootPath)
-              : sysfsRootPath(sysfsRootPath), nextBatteryId(0), nextLightId(0) {}
-        bool configureBatteryLocked();
-        bool configureLightsLocked();
+        bool operator==(const AssociatedDevice&) const = default;
+        bool operator!=(const AssociatedDevice&) const = default;
+        std::string dump() const;
     };
 
     struct Device {
@@ -581,13 +595,13 @@ private:
         int16_t ffEffectId; // initially -1
 
         // A shared_ptr of a device associated with the input device.
-        // The input devices with same descriptor has the same associated device.
-        std::shared_ptr<AssociatedDevice> associatedDevice;
+        // The input devices that have the same sysfs path have the same associated device.
+        std::shared_ptr<const AssociatedDevice> associatedDevice;
 
         int32_t controllerNumber;
 
-        Device(int fd, int32_t id, const std::string& path,
-               const InputDeviceIdentifier& identifier);
+        Device(int fd, int32_t id, std::string path, InputDeviceIdentifier identifier,
+               std::shared_ptr<const AssociatedDevice> assocDev);
         ~Device();
 
         void close();
@@ -632,6 +646,8 @@ private:
     void createVirtualKeyboardLocked() REQUIRES(mLock);
     void addDeviceLocked(std::unique_ptr<Device> device) REQUIRES(mLock);
     void assignDescriptorLocked(InputDeviceIdentifier& identifier) REQUIRES(mLock);
+    std::shared_ptr<const AssociatedDevice> obtainAssociatedDeviceLocked(
+            const std::filesystem::path& devicePath) const REQUIRES(mLock);
 
     void closeDeviceByPathLocked(const std::string& devicePath) REQUIRES(mLock);
     void closeVideoDeviceByPathLocked(const std::string& devicePath) REQUIRES(mLock);
@@ -648,7 +664,8 @@ private:
     status_t scanDirLocked(const std::string& dirname) REQUIRES(mLock);
     status_t scanVideoDirLocked(const std::string& dirname) REQUIRES(mLock);
     void scanDevicesLocked() REQUIRES(mLock);
-    status_t readNotifyLocked() REQUIRES(mLock);
+    base::Result<void> readNotifyLocked() REQUIRES(mLock);
+    void handleNotifyEventLocked(const inotify_event&) REQUIRES(mLock);
 
     Device* getDeviceLocked(int32_t deviceId) const REQUIRES(mLock);
     Device* getDeviceByPathLocked(const std::string& devicePath) const REQUIRES(mLock);
@@ -728,5 +745,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _RUNTIME_EVENT_HUB_H
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index b3a24af8a9..6fa21e5362 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_DEVICE_H
-#define _UI_INPUTREADER_INPUT_DEVICE_H
+#pragma once
 
 #include <ftl/flags.h>
 #include <input/DisplayViewport.h>
@@ -30,6 +29,7 @@
 #include "EventHub.h"
 #include "InputReaderBase.h"
 #include "InputReaderContext.h"
+#include "NotifyArgs.h"
 
 namespace android {
 
@@ -51,6 +51,9 @@ public:
     inline int32_t getGeneration() const { return mGeneration; }
     inline const std::string getName() const { return mIdentifier.name; }
     inline const std::string getDescriptor() { return mIdentifier.descriptor; }
+    inline std::optional<std::string> getBluetoothAddress() const {
+        return mIdentifier.bluetoothAddress;
+    }
     inline ftl::Flags<InputDeviceClass> getClasses() const { return mClasses; }
     inline uint32_t getSources() const { return mSources; }
     inline bool hasEventHubDevices() const { return !mDevices.empty(); }
@@ -70,29 +73,32 @@ public:
     inline bool isIgnored() { return !getMapperCount(); }
 
     bool isEnabled();
-    void setEnabled(bool enabled, nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> setEnabled(bool enabled, nsecs_t when);
 
     void dump(std::string& dump, const std::string& eventHubDevStr);
     void addEventHubDevice(int32_t eventHubId, bool populateMappers = true);
     void removeEventHubDevice(int32_t eventHubId);
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    void reset(nsecs_t when);
-    void process(const RawEvent* rawEvents, size_t count);
-    void timeoutExpired(nsecs_t when);
-    void updateExternalStylusState(const StylusState& state);
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes);
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvents, size_t count);
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> updateExternalStylusState(const StylusState& state);
 
     InputDeviceInfo getDeviceInfo();
     int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
     int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
     int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
     int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const;
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags);
-    void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token);
-    void cancelVibrate(int32_t token);
+    [[nodiscard]] std::list<NotifyArgs> vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                                int32_t token);
+    [[nodiscard]] std::list<NotifyArgs> cancelVibrate(int32_t token);
     bool isVibrating();
     std::vector<int32_t> getVibratorIds();
-    void cancelTouch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime);
     bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
                       std::chrono::microseconds maxBatchReportLatency);
     void disableSensor(InputDeviceSensorType sensorType);
@@ -108,9 +114,11 @@ public:
     int32_t getMetaState();
     void updateMetaState(int32_t keyCode);
 
+    void addKeyRemapping(int32_t fromKeyCode, int32_t toKeyCode);
+
     void bumpGeneration();
 
-    void notifyReset(nsecs_t when);
+    [[nodiscard]] NotifyDeviceResetArgs notifyReset(nsecs_t when);
 
     inline const PropertyMap& getConfiguration() { return mConfiguration; }
     inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
@@ -155,6 +163,7 @@ private:
     int32_t mId;
     int32_t mGeneration;
     int32_t mControllerNumber;
+    hardware::input::InputDeviceCountryCode mCountryCode;
     InputDeviceIdentifier mIdentifier;
     std::string mAlias;
     ftl::Flags<InputDeviceClass> mClasses;
@@ -271,6 +280,10 @@ public:
 
     inline bool hasMscEvent(int mscEvent) const { return mEventHub->hasMscEvent(mId, mscEvent); }
 
+    inline void addKeyRemapping(int32_t fromKeyCode, int32_t toKeyCode) const {
+        mEventHub->addKeyRemapping(mId, fromKeyCode, toKeyCode);
+    }
+
     inline status_t mapKey(int32_t scanCode, int32_t usageCode, int32_t metaState,
                            int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const {
         return mEventHub->mapKey(mId, scanCode, usageCode, metaState, outKeycode, outMetaState,
@@ -308,6 +321,9 @@ public:
     }
 
     inline std::vector<TouchVideoFrame> getVideoFrames() { return mEventHub->getVideoFrames(mId); }
+    inline hardware::input::InputDeviceCountryCode getCountryCode() const {
+        return mEventHub->getCountryCode(mId);
+    }
     inline int32_t getScanCodeState(int32_t scanCode) const {
         return mEventHub->getScanCodeState(mId, scanCode);
     }
@@ -321,9 +337,9 @@ public:
     inline status_t getAbsoluteAxisValue(int32_t code, int32_t* outValue) const {
         return mEventHub->getAbsoluteAxisValue(mId, code, outValue);
     }
-    inline bool markSupportedKeyCodes(size_t numCodes, const int32_t* keyCodes,
+    inline bool markSupportedKeyCodes(const std::vector<int32_t>& keyCodes,
                                       uint8_t* outFlags) const {
-        return mEventHub->markSupportedKeyCodes(mId, numCodes, keyCodes, outFlags);
+        return mEventHub->markSupportedKeyCodes(mId, keyCodes, outFlags);
     }
     inline bool hasScanCode(int32_t scanCode) const {
         return mEventHub->hasScanCode(mId, scanCode);
@@ -368,8 +384,11 @@ public:
         mEventHub->getAbsoluteAxisInfo(mId, code, &info);
         return info.valid;
     }
-    inline bool isKeyPressed(int32_t code) const {
-        return mEventHub->getScanCodeState(mId, code) == AKEY_STATE_DOWN;
+    inline bool isKeyPressed(int32_t scanCode) const {
+        return mEventHub->getScanCodeState(mId, scanCode) == AKEY_STATE_DOWN;
+    }
+    inline bool isKeyCodePressed(int32_t keyCode) const {
+        return mEventHub->getKeyCodeState(mId, keyCode) == AKEY_STATE_DOWN;
     }
     inline int32_t getAbsoluteAxisValue(int32_t code) const {
         int32_t value;
@@ -392,7 +411,9 @@ public:
     inline std::optional<DisplayViewport> getAssociatedViewport() const {
         return mDevice.getAssociatedViewport();
     }
-    inline void cancelTouch(nsecs_t when, nsecs_t readTime) { mDevice.cancelTouch(when, readTime); }
+    [[nodiscard]] inline std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime) {
+        return mDevice.cancelTouch(when, readTime);
+    }
     inline void bumpGeneration() { mDevice.bumpGeneration(); }
     inline const PropertyMap& getConfiguration() { return mDevice.getConfiguration(); }
 
@@ -405,5 +426,3 @@ private:
 };
 
 } // namespace android
-
-#endif //_UI_INPUTREADER_INPUT_DEVICE_H
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index daeaa1dbe3..e9c989a224 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_READER_H
-#define _UI_INPUTREADER_INPUT_READER_H
+#pragma once
 
 #include <PointerControllerInterface.h>
 #include <android-base/thread_annotations.h>
@@ -69,11 +68,13 @@ public:
     int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask, int32_t keyCode) override;
     int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t sw) override;
 
+    void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const override;
+
     int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override;
 
     void toggleCapsLockState(int32_t deviceId) override;
 
-    bool hasKeys(int32_t deviceId, uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool hasKeys(int32_t deviceId, uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                  uint8_t* outFlags) override;
 
     void requestRefreshConfiguration(uint32_t changes) override;
@@ -100,6 +101,8 @@ public:
 
     std::optional<int32_t> getBatteryStatus(int32_t deviceId) override;
 
+    std::optional<std::string> getBatteryDevicePath(int32_t deviceId) override;
+
     std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) override;
 
     std::vector<InputDeviceSensorInfo> getSensors(int32_t deviceId) override;
@@ -112,6 +115,8 @@ public:
 
     std::optional<int32_t> getLightPlayerId(int32_t deviceId, int32_t lightId) override;
 
+    std::optional<std::string> getBluetoothAddress(int32_t deviceId) const override;
+
 protected:
     // These members are protected so they can be instrumented by test cases.
     virtual std::shared_ptr<InputDevice> createDeviceLocked(int32_t deviceId,
@@ -141,10 +146,9 @@ protected:
         int32_t bumpGeneration() NO_THREAD_SAFETY_ANALYSIS override;
         void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices)
                 REQUIRES(mReader->mLock) override;
-        void dispatchExternalStylusState(const StylusState& outState)
+        [[nodiscard]] std::list<NotifyArgs> dispatchExternalStylusState(const StylusState& outState)
                 REQUIRES(mReader->mLock) override;
         InputReaderPolicyInterface* getPolicy() REQUIRES(mReader->mLock) override;
-        InputListenerInterface& getListener() REQUIRES(mReader->mLock) override;
         EventHubInterface* getEventHub() REQUIRES(mReader->mLock) override;
         int32_t getNextId() NO_THREAD_SAFETY_ANALYSIS override;
         void updateLedMetaState(int32_t metaState) REQUIRES(mReader->mLock) override;
@@ -169,10 +173,6 @@ private:
 
     InputReaderConfiguration mConfig GUARDED_BY(mLock);
 
-    // The event queue.
-    static const int EVENT_BUFFER_SIZE = 256;
-    RawEvent mEventBuffer[EVENT_BUFFER_SIZE] GUARDED_BY(mLock);
-
     // An input device can represent a collection of EventHub devices. This map provides a way
     // to lookup the input device instance from the EventHub device id.
     std::unordered_map<int32_t /*eventHubId*/, std::shared_ptr<InputDevice>> mDevices
@@ -184,13 +184,15 @@ private:
             mDeviceToEventHubIdsMap GUARDED_BY(mLock);
 
     // low-level input event decoding and device management
-    void processEventsLocked(const RawEvent* rawEvents, size_t count) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> processEventsLocked(const RawEvent* rawEvents, size_t count)
+            REQUIRES(mLock);
 
     void addDeviceLocked(nsecs_t when, int32_t eventHubId) REQUIRES(mLock);
     void removeDeviceLocked(nsecs_t when, int32_t eventHubId) REQUIRES(mLock);
-    void processEventsForDeviceLocked(int32_t eventHubId, const RawEvent* rawEvents, size_t count)
-            REQUIRES(mLock);
-    void timeoutExpiredLocked(nsecs_t when) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> processEventsForDeviceLocked(int32_t eventHubId,
+                                                                     const RawEvent* rawEvents,
+                                                                     size_t count) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpiredLocked(nsecs_t when) REQUIRES(mLock);
 
     void handleConfigurationChangedLocked(nsecs_t when) REQUIRES(mLock);
 
@@ -204,7 +206,8 @@ private:
 
     void notifyExternalStylusPresenceChangedLocked() REQUIRES(mLock);
     void getExternalStylusDevicesLocked(std::vector<InputDeviceInfo>& outDevices) REQUIRES(mLock);
-    void dispatchExternalStylusStateLocked(const StylusState& state) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> dispatchExternalStylusStateLocked(const StylusState& state)
+            REQUIRES(mLock);
 
     // The PointerController that is shared among all the input devices that need it.
     std::weak_ptr<PointerControllerInterface> mPointerController;
@@ -231,19 +234,20 @@ private:
     uint32_t mConfigurationChangesToRefresh GUARDED_BY(mLock);
     void refreshConfigurationLocked(uint32_t changes) REQUIRES(mLock);
 
+    void notifyAll(std::list<NotifyArgs>&& argsList);
+
     PointerCaptureRequest mCurrentPointerCaptureRequest GUARDED_BY(mLock);
 
     // state queries
     typedef int32_t (InputDevice::*GetStateFunc)(uint32_t sourceMask, int32_t code);
     int32_t getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
                            GetStateFunc getStateFunc) REQUIRES(mLock);
-    bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
-                                     const int32_t* keyCodes, uint8_t* outFlags) REQUIRES(mLock);
+    bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
+                                     const std::vector<int32_t>& keyCodes, uint8_t* outFlags)
+            REQUIRES(mLock);
 
     // find an InputDevice from an InputDevice id
     InputDevice* findInputDeviceLocked(int32_t deviceId) const REQUIRES(mLock);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_READER_H
diff --git a/services/inputflinger/reader/include/InputReaderContext.h b/services/inputflinger/reader/include/InputReaderContext.h
index 823d160f86..0beace19ab 100644
--- a/services/inputflinger/reader/include/InputReaderContext.h
+++ b/services/inputflinger/reader/include/InputReaderContext.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_READER_CONTEXT_H
-#define _UI_INPUTREADER_INPUT_READER_CONTEXT_H
+#pragma once
 
 #include <input/InputDevice.h>
+#include "NotifyArgs.h"
 
 #include <vector>
 
@@ -52,10 +52,10 @@ public:
     virtual int32_t bumpGeneration() = 0;
 
     virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) = 0;
-    virtual void dispatchExternalStylusState(const StylusState& outState) = 0;
+    [[nodiscard]] virtual std::list<NotifyArgs> dispatchExternalStylusState(
+            const StylusState& outState) = 0;
 
     virtual InputReaderPolicyInterface* getPolicy() = 0;
-    virtual InputListenerInterface& getListener() = 0;
     virtual EventHubInterface* getEventHub() = 0;
 
     virtual int32_t getNextId() = 0;
@@ -65,5 +65,3 @@ public:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_READER_CONTEXT_H
diff --git a/services/inputflinger/reader/include/StylusState.h b/services/inputflinger/reader/include/StylusState.h
index 17f158c9e1..ff15e0c660 100644
--- a/services/inputflinger/reader/include/StylusState.h
+++ b/services/inputflinger/reader/include/StylusState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_STYLUS_STATE_H
-#define _UI_INPUTREADER_STYLUS_STATE_H
+#pragma once
 
 #include <input/Input.h>
 
@@ -25,29 +24,19 @@ namespace android {
 
 struct StylusState {
     /* Time the stylus event was received. */
-    nsecs_t when;
-    /* Pressure as reported by the stylus, normalized to the range [0, 1.0]. */
-    float pressure;
+    nsecs_t when{};
+    /*
+     * Pressure as reported by the stylus if supported, normalized to the range [0, 1.0].
+     * The presence of a pressure value indicates that the stylus is able to tell whether it is
+     * touching the display.
+     */
+    std::optional<float> pressure{};
     /* The state of the stylus buttons as a bitfield (e.g. AMOTION_EVENT_BUTTON_SECONDARY). */
-    uint32_t buttons;
+    uint32_t buttons{};
     /* Which tool type the stylus is currently using (e.g. AMOTION_EVENT_TOOL_TYPE_ERASER). */
-    int32_t toolType;
+    int32_t toolType{AMOTION_EVENT_TOOL_TYPE_UNKNOWN};
 
-    void copyFrom(const StylusState& other) {
-        when = other.when;
-        pressure = other.pressure;
-        buttons = other.buttons;
-        toolType = other.toolType;
-    }
-
-    void clear() {
-        when = LLONG_MAX;
-        pressure = 0.f;
-        buttons = 0;
-        toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
-    }
+    void clear() { *this = StylusState{}; }
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_STYLUS_STATE_H
diff --git a/services/inputflinger/reader/include/TouchVideoDevice.h b/services/inputflinger/reader/include/TouchVideoDevice.h
index 7de9b830b2..08eba31199 100644
--- a/services/inputflinger/reader/include/TouchVideoDevice.h
+++ b/services/inputflinger/reader/include/TouchVideoDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
-#define _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
+#pragma once
 
 #include <android-base/unique_fd.h>
 #include <input/TouchVideoFrame.h>
@@ -123,5 +122,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index f4f3ae95a1..13e4d0cfbe 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -67,7 +67,7 @@ void CursorMotionAccumulator::finishSync() {
 // --- CursorInputMapper ---
 
 CursorInputMapper::CursorInputMapper(InputDeviceContext& deviceContext)
-      : InputMapper(deviceContext) {}
+      : InputMapper(deviceContext), mLastEventTime(std::numeric_limits<nsecs_t>::min()) {}
 
 CursorInputMapper::~CursorInputMapper() {
     if (mPointerController != nullptr) {
@@ -117,6 +117,10 @@ void CursorInputMapper::dump(std::string& dump) {
                          toString(mCursorScrollAccumulator.haveRelativeVWheel()));
     dump += StringPrintf(INDENT3 "HaveHWheel: %s\n",
                          toString(mCursorScrollAccumulator.haveRelativeHWheel()));
+    dump += StringPrintf(INDENT3 "WheelYVelocityControlParameters: %s",
+                         mWheelYVelocityControl.getParameters().dump().c_str());
+    dump += StringPrintf(INDENT3 "WheelXVelocityControlParameters: %s",
+                         mWheelXVelocityControl.getParameters().dump().c_str());
     dump += StringPrintf(INDENT3 "VWheelScale: %0.3f\n", mVWheelScale);
     dump += StringPrintf(INDENT3 "HWheelScale: %0.3f\n", mHWheelScale);
     dump += StringPrintf(INDENT3 "DisplayId: %s\n", toString(mDisplayId).c_str());
@@ -126,9 +130,10 @@ void CursorInputMapper::dump(std::string& dump) {
     dump += StringPrintf(INDENT3 "DownTime: %" PRId64 "\n", mDownTime);
 }
 
-void CursorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                  uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> CursorInputMapper::configure(nsecs_t when,
+                                                   const InputReaderConfiguration* config,
+                                                   uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         mCursorScrollAccumulator.configure(getDeviceContext());
@@ -187,8 +192,7 @@ void CursorInputMapper::configure(nsecs_t when, const InputReaderConfiguration*
         }
         bumpGeneration();
         if (changes) {
-            NotifyDeviceResetArgs args(getContext()->getNextId(), when, getDeviceId());
-            getListener().notifyDeviceReset(&args);
+            out.push_back(NotifyDeviceResetArgs(getContext()->getNextId(), when, getDeviceId()));
         }
     }
 
@@ -223,7 +227,7 @@ void CursorInputMapper::configure(nsecs_t when, const InputReaderConfiguration*
             mDisplayId = mPointerController->getDisplayId();
         }
 
-        mOrientation = DISPLAY_ORIENTATION_0;
+        mOrientation = ui::ROTATION_0;
         const bool isOrientedDevice =
                 (mParameters.orientationAware && mParameters.hasAssociatedDisplay);
         // InputReader works in the un-rotated display coordinate space, so we don't need to do
@@ -241,22 +245,22 @@ void CursorInputMapper::configure(nsecs_t when, const InputReaderConfiguration*
 
         bumpGeneration();
     }
+    return out;
 }
 
 void CursorInputMapper::configureParameters() {
     mParameters.mode = Parameters::Mode::POINTER;
-    String8 cursorModeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("cursor.mode"),
-                                                             cursorModeString)) {
+    std::string cursorModeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("cursor.mode", cursorModeString)) {
         if (cursorModeString == "navigation") {
             mParameters.mode = Parameters::Mode::NAVIGATION;
         } else if (cursorModeString != "pointer" && cursorModeString != "default") {
-            ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
+            ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.c_str());
         }
     }
 
     mParameters.orientationAware = false;
-    getDeviceContext().getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
+    getDeviceContext().getConfiguration().tryGetProperty("cursor.orientationAware",
                                                          mParameters.orientationAware);
 
     mParameters.hasAssociatedDisplay = false;
@@ -273,9 +277,10 @@ void CursorInputMapper::dumpParameters(std::string& dump) {
     dump += StringPrintf(INDENT4 "OrientationAware: %s\n", toString(mParameters.orientationAware));
 }
 
-void CursorInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> CursorInputMapper::reset(nsecs_t when) {
     mButtonState = 0;
     mDownTime = 0;
+    mLastEventTime = std::numeric_limits<nsecs_t>::min();
 
     mPointerVelocityControl.reset();
     mWheelXVelocityControl.reset();
@@ -285,23 +290,31 @@ void CursorInputMapper::reset(nsecs_t when) {
     mCursorMotionAccumulator.reset(getDeviceContext());
     mCursorScrollAccumulator.reset(getDeviceContext());
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void CursorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> CursorInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mCursorButtonAccumulator.process(rawEvent);
     mCursorMotionAccumulator.process(rawEvent);
     mCursorScrollAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        const auto [eventTime, readTime] =
+                applyBluetoothTimestampSmoothening(getDeviceContext().getDeviceIdentifier(),
+                                                   rawEvent->when, rawEvent->readTime,
+                                                   mLastEventTime);
+        out += sync(eventTime, readTime);
+        mLastEventTime = eventTime;
     }
+    return out;
 }
 
-void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     if (!mDisplayId) {
         // Ignore events when there is no target display configured.
-        return;
+        return out;
     }
 
     int32_t lastButtonState = mButtonState;
@@ -392,8 +405,9 @@ void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
     }
 
     // Synthesize key down from buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
-                         mSource, *mDisplayId, policyFlags, lastButtonState, currentButtonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
+                                mSource, *mDisplayId, policyFlags, lastButtonState,
+                                currentButtonState);
 
     // Send motion event.
     if (downChanged || moved || scrolled || buttonsChanged) {
@@ -413,40 +427,38 @@ void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
             while (!released.isEmpty()) {
                 int32_t actionButton = BitSet32::valueForBit(released.clearFirstMarkedBit());
                 buttonState &= ~actionButton;
-                NotifyMotionArgs releaseArgs(getContext()->getNextId(), when, readTime,
-                                             getDeviceId(), mSource, *mDisplayId, policyFlags,
-                                             AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
-                                             metaState, buttonState, MotionClassification::NONE,
-                                             AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                             &pointerCoords, mXPrecision, mYPrecision,
-                                             xCursorPosition, yCursorPosition, downTime,
-                                             /* videoFrames */ {});
-                getListener().notifyMotion(&releaseArgs);
+                out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime,
+                                               getDeviceId(), mSource, *mDisplayId, policyFlags,
+                                               AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
+                                               metaState, buttonState, MotionClassification::NONE,
+                                               AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                               &pointerCoords, mXPrecision, mYPrecision,
+                                               xCursorPosition, yCursorPosition, downTime,
+                                               /* videoFrames */ {}));
             }
         }
 
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              *mDisplayId, policyFlags, motionEventAction, 0, 0, metaState,
-                              currentButtonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords,
-                              mXPrecision, mYPrecision, xCursorPosition, yCursorPosition, downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, *mDisplayId, policyFlags, motionEventAction, 0, 0,
+                                       metaState, currentButtonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                       &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
+                                       yCursorPosition, downTime,
+                                       /* videoFrames */ {}));
 
         if (buttonsPressed) {
             BitSet32 pressed(buttonsPressed);
             while (!pressed.isEmpty()) {
                 int32_t actionButton = BitSet32::valueForBit(pressed.clearFirstMarkedBit());
                 buttonState |= actionButton;
-                NotifyMotionArgs pressArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                           mSource, *mDisplayId, policyFlags,
-                                           AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0,
-                                           metaState, buttonState, MotionClassification::NONE,
-                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                           &pointerCoords, mXPrecision, mYPrecision,
-                                           xCursorPosition, yCursorPosition, downTime,
-                                           /* videoFrames */ {});
-                getListener().notifyMotion(&pressArgs);
+                out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime,
+                                               getDeviceId(), mSource, *mDisplayId, policyFlags,
+                                               AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0,
+                                               metaState, buttonState, MotionClassification::NONE,
+                                               AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                               &pointerCoords, mXPrecision, mYPrecision,
+                                               xCursorPosition, yCursorPosition, downTime,
+                                               /* videoFrames */ {}));
             }
         }
 
@@ -454,14 +466,14 @@ void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
 
         // Send hover move after UP to tell the application that the mouse is hovering now.
         if (motionEventAction == AMOTION_EVENT_ACTION_UP && (mSource == AINPUT_SOURCE_MOUSE)) {
-            NotifyMotionArgs hoverArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                       mSource, *mDisplayId, policyFlags,
-                                       AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
-                                       currentButtonState, MotionClassification::NONE,
-                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                       &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
-                                       yCursorPosition, downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&hoverArgs);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, *mDisplayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
+                                           currentButtonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                           &pointerCoords, mXPrecision, mYPrecision,
+                                           xCursorPosition, yCursorPosition, downTime,
+                                           /* videoFrames */ {}));
         }
 
         // Send scroll events.
@@ -469,23 +481,25 @@ void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
             pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
             pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
 
-            NotifyMotionArgs scrollArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                        mSource, *mDisplayId, policyFlags,
-                                        AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
-                                        currentButtonState, MotionClassification::NONE,
-                                        AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                        &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
-                                        yCursorPosition, downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&scrollArgs);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, *mDisplayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
+                                           currentButtonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                           &pointerCoords, mXPrecision, mYPrecision,
+                                           xCursorPosition, yCursorPosition, downTime,
+                                           /* videoFrames */ {}));
         }
     }
 
     // Synthesize key up from buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(), mSource,
-                         *mDisplayId, policyFlags, lastButtonState, currentButtonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(),
+                                mSource, *mDisplayId, policyFlags, lastButtonState,
+                                currentButtonState);
 
     mCursorMotionAccumulator.finishSync();
     mCursorScrollAccumulator.finishSync();
+    return out;
 }
 
 int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.h b/services/inputflinger/reader/mapper/CursorInputMapper.h
index 60b3dd9ee0..939cceb6b0 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.h
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
+#pragma once
 
 #include "CursorButtonAccumulator.h"
 #include "CursorScrollAccumulator.h"
@@ -23,6 +22,7 @@
 
 #include <PointerControllerInterface.h>
 #include <input/VelocityControl.h>
+#include <ui/Rotation.h>
 
 namespace android {
 
@@ -59,10 +59,11 @@ public:
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
 
@@ -115,19 +116,18 @@ private:
     // ADISPLAY_ID_NONE to target the focused display. If there is no display target (i.e.
     // std::nullopt), all events will be ignored.
     std::optional<int32_t> mDisplayId;
-    int32_t mOrientation;
+    ui::Rotation mOrientation;
 
     std::shared_ptr<PointerControllerInterface> mPointerController;
 
     int32_t mButtonState;
     nsecs_t mDownTime;
+    nsecs_t mLastEventTime;
 
     void configureParameters();
     void dumpParameters(std::string& dump);
 
-    void sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
index 6b5d37f8d5..2809939c86 100644
--- a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
@@ -24,7 +24,7 @@
 namespace android {
 
 ExternalStylusInputMapper::ExternalStylusInputMapper(InputDeviceContext& deviceContext)
-      : InputMapper(deviceContext) {}
+      : InputMapper(deviceContext), mTouchButtonAccumulator(deviceContext) {}
 
 uint32_t ExternalStylusInputMapper::getSources() const {
     return AINPUT_SOURCE_STYLUS;
@@ -32,8 +32,10 @@ uint32_t ExternalStylusInputMapper::getSources() const {
 
 void ExternalStylusInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
     InputMapper::populateDeviceInfo(info);
-    info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, AINPUT_SOURCE_STYLUS, 0.0f, 1.0f, 0.0f, 0.0f,
-                         0.0f);
+    if (mRawPressureAxis.valid) {
+        info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, AINPUT_SOURCE_STYLUS, 0.0f, 1.0f, 0.0f,
+                             0.0f, 0.0f);
+    }
 }
 
 void ExternalStylusInputMapper::dump(std::string& dump) {
@@ -44,28 +46,32 @@ void ExternalStylusInputMapper::dump(std::string& dump) {
     dumpStylusState(dump, mStylusState);
 }
 
-void ExternalStylusInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                          uint32_t changes) {
+std::list<NotifyArgs> ExternalStylusInputMapper::configure(nsecs_t when,
+                                                           const InputReaderConfiguration* config,
+                                                           uint32_t changes) {
     getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPressureAxis);
-    mTouchButtonAccumulator.configure(getDeviceContext());
+    mTouchButtonAccumulator.configure();
+    return {};
 }
 
-void ExternalStylusInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> ExternalStylusInputMapper::reset(nsecs_t when) {
     mSingleTouchMotionAccumulator.reset(getDeviceContext());
-    mTouchButtonAccumulator.reset(getDeviceContext());
-    InputMapper::reset(when);
+    mTouchButtonAccumulator.reset();
+    return InputMapper::reset(when);
 }
 
-void ExternalStylusInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> ExternalStylusInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mSingleTouchMotionAccumulator.process(rawEvent);
     mTouchButtonAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when);
+        out += sync(rawEvent->when);
     }
+    return out;
 }
 
-void ExternalStylusInputMapper::sync(nsecs_t when) {
+std::list<NotifyArgs> ExternalStylusInputMapper::sync(nsecs_t when) {
     mStylusState.clear();
 
     mStylusState.when = when;
@@ -75,18 +81,17 @@ void ExternalStylusInputMapper::sync(nsecs_t when) {
         mStylusState.toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     }
 
-    int32_t pressure = mSingleTouchMotionAccumulator.getAbsolutePressure();
     if (mRawPressureAxis.valid) {
-        mStylusState.pressure = float(pressure) / mRawPressureAxis.maxValue;
-    } else if (mTouchButtonAccumulator.isToolActive()) {
-        mStylusState.pressure = 1.0f;
-    } else {
-        mStylusState.pressure = 0.0f;
+        auto rawPressure = static_cast<float>(mSingleTouchMotionAccumulator.getAbsolutePressure());
+        mStylusState.pressure = (rawPressure - mRawPressureAxis.minValue) /
+                static_cast<float>(mRawPressureAxis.maxValue - mRawPressureAxis.minValue);
+    } else if (mTouchButtonAccumulator.hasButtonTouch()) {
+        mStylusState.pressure = mTouchButtonAccumulator.isHovering() ? 0.0f : 1.0f;
     }
 
     mStylusState.buttons = mTouchButtonAccumulator.getButtonState();
 
-    getContext()->dispatchExternalStylusState(mStylusState);
+    return getContext()->dispatchExternalStylusState(mStylusState);
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
index 516aa51a14..b6c9055cb7 100644
--- a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
+++ b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
-#define _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -30,13 +29,14 @@ public:
     explicit ExternalStylusInputMapper(InputDeviceContext& deviceContext);
     virtual ~ExternalStylusInputMapper() = default;
 
-    virtual uint32_t getSources() const override;
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    uint32_t getSources() const override;
+    void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+    void dump(std::string& dump) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     SingleTouchMotionAccumulator mSingleTouchMotionAccumulator;
@@ -45,9 +45,7 @@ private:
 
     StylusState mStylusState;
 
-    void sync(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 7b185e029c..8e3539c3a6 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -19,6 +19,7 @@
 #include "InputMapper.h"
 
 #include "InputDevice.h"
+#include "input/PrintTools.h"
 
 namespace android {
 
@@ -32,12 +33,18 @@ void InputMapper::populateDeviceInfo(InputDeviceInfo* info) {
 
 void InputMapper::dump(std::string& dump) {}
 
-void InputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                            uint32_t changes) {}
+std::list<NotifyArgs> InputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
+                                             uint32_t changes) {
+    return {};
+}
 
-void InputMapper::reset(nsecs_t when) {}
+std::list<NotifyArgs> InputMapper::reset(nsecs_t when) {
+    return {};
+}
 
-void InputMapper::timeoutExpired(nsecs_t when) {}
+std::list<NotifyArgs> InputMapper::timeoutExpired(nsecs_t when) {
+    return {};
+}
 
 int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
     return AKEY_STATE_UNKNOWN;
@@ -55,14 +62,19 @@ int32_t InputMapper::getKeyCodeForKeyLocation(int32_t locationKeyCode) const {
     return AKEYCODE_UNKNOWN;
 }
 
-bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                        const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                        uint8_t* outFlags) {
     return false;
 }
 
-void InputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) {}
+std::list<NotifyArgs> InputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                           int32_t token) {
+    return {};
+}
 
-void InputMapper::cancelVibrate(int32_t token) {}
+std::list<NotifyArgs> InputMapper::cancelVibrate(int32_t token) {
+    return {};
+}
 
 bool InputMapper::isVibrating() {
     return false;
@@ -72,7 +84,9 @@ std::vector<int32_t> InputMapper::getVibratorIds() {
     return {};
 }
 
-void InputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {}
+std::list<NotifyArgs> InputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    return {};
+}
 
 bool InputMapper::enableSensor(InputDeviceSensorType sensorType,
                                std::chrono::microseconds samplingPeriod,
@@ -92,7 +106,9 @@ bool InputMapper::updateMetaState(int32_t keyCode) {
     return false;
 }
 
-void InputMapper::updateExternalStylusState(const StylusState& state) {}
+std::list<NotifyArgs> InputMapper::updateExternalStylusState(const StylusState& state) {
+    return {};
+}
 
 status_t InputMapper::getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo) {
     return getDeviceContext().getAbsoluteAxisInfo(axis, axisInfo);
@@ -114,7 +130,7 @@ void InputMapper::dumpRawAbsoluteAxisInfo(std::string& dump, const RawAbsoluteAx
 
 void InputMapper::dumpStylusState(std::string& dump, const StylusState& state) {
     dump += StringPrintf(INDENT4 "When: %" PRId64 "\n", state.when);
-    dump += StringPrintf(INDENT4 "Pressure: %f\n", state.pressure);
+    dump += StringPrintf(INDENT4 "Pressure: %s\n", toString(state.pressure).c_str());
     dump += StringPrintf(INDENT4 "Button State: 0x%08x\n", state.buttons);
     dump += StringPrintf(INDENT4 "Tool Type: %" PRId32 "\n", state.toolType);
 }
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index fce6409b3f..104305b730 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_MAPPER_H
-#define _UI_INPUTREADER_INPUT_MAPPER_H
+#pragma once
 
 #include "EventHub.h"
 #include "InputDevice.h"
 #include "InputListener.h"
 #include "InputReaderContext.h"
+#include "NotifyArgs.h"
 #include "StylusState.h"
 #include "VibrationElement.h"
 
@@ -49,28 +49,30 @@ public:
     inline const std::string getDeviceName() const { return mDeviceContext.getName(); }
     inline InputReaderContext* getContext() { return mDeviceContext.getContext(); }
     inline InputReaderPolicyInterface* getPolicy() { return getContext()->getPolicy(); }
-    inline InputListenerInterface& getListener() { return getContext()->getListener(); }
 
     virtual uint32_t getSources() const = 0;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
     virtual void dump(std::string& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent) = 0;
-    virtual void timeoutExpired(nsecs_t when);
+    [[nodiscard]] virtual std::list<NotifyArgs> configure(nsecs_t when,
+                                                          const InputReaderConfiguration* config,
+                                                          uint32_t changes);
+    [[nodiscard]] virtual std::list<NotifyArgs> reset(nsecs_t when);
+    [[nodiscard]] virtual std::list<NotifyArgs> process(const RawEvent* rawEvent) = 0;
+    [[nodiscard]] virtual std::list<NotifyArgs> timeoutExpired(nsecs_t when);
 
     virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
     virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
     virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const;
 
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags);
-    virtual void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token);
-    virtual void cancelVibrate(int32_t token);
+    virtual bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                       uint8_t* outFlags);
+    [[nodiscard]] virtual std::list<NotifyArgs> vibrate(const VibrationSequence& sequence,
+                                                        ssize_t repeat, int32_t token);
+    [[nodiscard]] virtual std::list<NotifyArgs> cancelVibrate(int32_t token);
     virtual bool isVibrating();
     virtual std::vector<int32_t> getVibratorIds();
-    virtual void cancelTouch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] virtual std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime);
     virtual bool enableSensor(InputDeviceSensorType sensorType,
                               std::chrono::microseconds samplingPeriod,
                               std::chrono::microseconds maxBatchReportLatency);
@@ -92,7 +94,7 @@ public:
      */
     virtual bool updateMetaState(int32_t keyCode);
 
-    virtual void updateExternalStylusState(const StylusState& state);
+    [[nodiscard]] virtual std::list<NotifyArgs> updateExternalStylusState(const StylusState& state);
 
     virtual std::optional<int32_t> getAssociatedDisplayId() { return std::nullopt; }
     virtual void updateLedState(bool reset) {}
@@ -109,5 +111,3 @@ protected:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
index 7d30d0c1eb..929bf18ffe 100644
--- a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
@@ -103,9 +103,10 @@ void JoystickInputMapper::dump(std::string& dump) {
     }
 }
 
-void JoystickInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                    uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> JoystickInputMapper::configure(nsecs_t when,
+                                                     const InputReaderConfiguration* config,
+                                                     uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         // Collect all axes.
@@ -145,12 +146,12 @@ void JoystickInputMapper::configure(nsecs_t when, const InputReaderConfiguration
         for (auto it = mAxes.begin(); it != mAxes.end(); /*increment it inside loop*/) {
             Axis& axis = it->second;
             if (axis.axisInfo.axis < 0) {
-                while (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16 &&
+                while (nextGenericAxisId <= AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE &&
                        haveAxis(nextGenericAxisId)) {
                     nextGenericAxisId += 1;
                 }
 
-                if (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16) {
+                if (nextGenericAxisId <= AMOTION_EVENT_MAXIMUM_VALID_AXIS_VALUE) {
                     axis.axisInfo.axis = nextGenericAxisId;
                     nextGenericAxisId += 1;
                 } else {
@@ -164,6 +165,7 @@ void JoystickInputMapper::configure(nsecs_t when, const InputReaderConfiguration
             it++;
         }
     }
+    return out;
 }
 
 JoystickInputMapper::Axis JoystickInputMapper::createAxis(const AxisInfo& axisInfo,
@@ -246,17 +248,18 @@ bool JoystickInputMapper::isCenteredAxis(int32_t axis) {
     }
 }
 
-void JoystickInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> JoystickInputMapper::reset(nsecs_t when) {
     // Recenter all axes.
     for (std::pair<const int32_t, Axis>& pair : mAxes) {
         Axis& axis = pair.second;
         axis.resetValue();
     }
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void JoystickInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> JoystickInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_ABS: {
             auto it = mAxes.find(rawEvent->code);
@@ -298,16 +301,18 @@ void JoystickInputMapper::process(const RawEvent* rawEvent) {
         case EV_SYN:
             switch (rawEvent->code) {
                 case SYN_REPORT:
-                    sync(rawEvent->when, rawEvent->readTime, false /*force*/);
+                    out += sync(rawEvent->when, rawEvent->readTime, false /*force*/);
                     break;
             }
             break;
     }
+    return out;
 }
 
-void JoystickInputMapper::sync(nsecs_t when, nsecs_t readTime, bool force) {
+std::list<NotifyArgs> JoystickInputMapper::sync(nsecs_t when, nsecs_t readTime, bool force) {
+    std::list<NotifyArgs> out;
     if (!filterAxes(force)) {
-        return;
+        return out;
     }
 
     int32_t metaState = getContext()->getGlobalMetaState();
@@ -340,13 +345,14 @@ void JoystickInputMapper::sync(nsecs_t when, nsecs_t readTime, bool force) {
         displayId = getDeviceContext().getAssociatedViewport()->displayId;
     }
 
-    NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(),
-                          AINPUT_SOURCE_JOYSTICK, displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE,
-                          0, 0, metaState, buttonState, MotionClassification::NONE,
-                          AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords, 0, 0,
-                          AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                          AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {});
-    getListener().notifyMotion(&args);
+    out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                   AINPUT_SOURCE_JOYSTICK, displayId, policyFlags,
+                                   AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, buttonState,
+                                   MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                   &pointerProperties, &pointerCoords, 0, 0,
+                                   AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                   AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {}));
+    return out;
 }
 
 void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords, int32_t axis,
diff --git a/services/inputflinger/reader/mapper/JoystickInputMapper.h b/services/inputflinger/reader/mapper/JoystickInputMapper.h
index 307bf5b38b..72b8a528b5 100644
--- a/services/inputflinger/reader/mapper/JoystickInputMapper.h
+++ b/services/inputflinger/reader/mapper/JoystickInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
-#define _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -29,10 +28,11 @@ public:
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     struct Axis {
@@ -92,7 +92,7 @@ private:
     // Axes indexed by raw ABS_* axis index.
     std::unordered_map<int32_t, Axis> mAxes;
 
-    void sync(nsecs_t when, nsecs_t readTime, bool force);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime, bool force);
 
     bool haveAxis(int32_t axisId);
     void pruneAxes(bool ignoreExplicitlyMappedAxes);
@@ -111,5 +111,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index 2ac81781fa..44f0dfe3b6 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -20,71 +20,75 @@
 
 #include "KeyboardInputMapper.h"
 
+#include <ui/Rotation.h>
+
 namespace android {
 
 // --- Static Definitions ---
 
-static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation,
-                                           const int32_t map[][4], size_t mapSize) {
-    if (orientation != DISPLAY_ORIENTATION_0) {
-        for (size_t i = 0; i < mapSize; i++) {
-            if (value == map[i][0]) {
-                return map[i][orientation];
+static int32_t rotateKeyCode(int32_t keyCode, ui::Rotation orientation) {
+    static constexpr int32_t KEYCODE_ROTATION_MAP[][4] = {
+            // key codes enumerated counter-clockwise with the original (unrotated) key first
+            // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation
+            {AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT},
+            {AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN},
+            {AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT},
+            {AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP},
+            {AKEYCODE_SYSTEM_NAVIGATION_DOWN, AKEYCODE_SYSTEM_NAVIGATION_RIGHT,
+             AKEYCODE_SYSTEM_NAVIGATION_UP, AKEYCODE_SYSTEM_NAVIGATION_LEFT},
+            {AKEYCODE_SYSTEM_NAVIGATION_RIGHT, AKEYCODE_SYSTEM_NAVIGATION_UP,
+             AKEYCODE_SYSTEM_NAVIGATION_LEFT, AKEYCODE_SYSTEM_NAVIGATION_DOWN},
+            {AKEYCODE_SYSTEM_NAVIGATION_UP, AKEYCODE_SYSTEM_NAVIGATION_LEFT,
+             AKEYCODE_SYSTEM_NAVIGATION_DOWN, AKEYCODE_SYSTEM_NAVIGATION_RIGHT},
+            {AKEYCODE_SYSTEM_NAVIGATION_LEFT, AKEYCODE_SYSTEM_NAVIGATION_DOWN,
+             AKEYCODE_SYSTEM_NAVIGATION_RIGHT, AKEYCODE_SYSTEM_NAVIGATION_UP},
+    };
+
+    if (orientation != ui::ROTATION_0) {
+        for (const auto& rotation : KEYCODE_ROTATION_MAP) {
+            if (rotation[static_cast<size_t>(ui::ROTATION_0)] == keyCode) {
+                return rotation[static_cast<size_t>(orientation)];
             }
         }
     }
-    return value;
+    return keyCode;
 }
 
-static const int32_t keyCodeRotationMap[][4] = {
-        // key codes enumerated counter-clockwise with the original (unrotated) key first
-        // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation
-        {AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT},
-        {AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN},
-        {AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT},
-        {AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP},
-        {AKEYCODE_SYSTEM_NAVIGATION_DOWN, AKEYCODE_SYSTEM_NAVIGATION_RIGHT,
-         AKEYCODE_SYSTEM_NAVIGATION_UP, AKEYCODE_SYSTEM_NAVIGATION_LEFT},
-        {AKEYCODE_SYSTEM_NAVIGATION_RIGHT, AKEYCODE_SYSTEM_NAVIGATION_UP,
-         AKEYCODE_SYSTEM_NAVIGATION_LEFT, AKEYCODE_SYSTEM_NAVIGATION_DOWN},
-        {AKEYCODE_SYSTEM_NAVIGATION_UP, AKEYCODE_SYSTEM_NAVIGATION_LEFT,
-         AKEYCODE_SYSTEM_NAVIGATION_DOWN, AKEYCODE_SYSTEM_NAVIGATION_RIGHT},
-        {AKEYCODE_SYSTEM_NAVIGATION_LEFT, AKEYCODE_SYSTEM_NAVIGATION_DOWN,
-         AKEYCODE_SYSTEM_NAVIGATION_RIGHT, AKEYCODE_SYSTEM_NAVIGATION_UP},
-};
-
-static const size_t keyCodeRotationMapSize =
-        sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
-
-static int32_t rotateStemKey(int32_t value, int32_t orientation, const int32_t map[][2],
-                             size_t mapSize) {
-    if (orientation == DISPLAY_ORIENTATION_180) {
-        for (size_t i = 0; i < mapSize; i++) {
-            if (value == map[i][0]) {
-                return map[i][1];
-            }
-        }
-    }
-    return value;
+static bool isSupportedScanCode(int32_t scanCode) {
+    // KeyboardInputMapper handles keys from keyboards, gamepads, and styluses.
+    return scanCode < BTN_MOUSE || (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI) ||
+            scanCode == BTN_STYLUS || scanCode == BTN_STYLUS2 || scanCode == BTN_STYLUS3 ||
+            scanCode >= BTN_WHEEL;
 }
 
-// The mapping can be defined using input device configuration properties keyboard.rotated.stem_X
-static int32_t stemKeyRotationMap[][2] = {
-        // key codes enumerated with the original (unrotated) key first
-        // no rotation,           180 degree rotation
-        {AKEYCODE_STEM_PRIMARY, AKEYCODE_STEM_PRIMARY},
-        {AKEYCODE_STEM_1, AKEYCODE_STEM_1},
-        {AKEYCODE_STEM_2, AKEYCODE_STEM_2},
-        {AKEYCODE_STEM_3, AKEYCODE_STEM_3},
-};
-
-static const size_t stemKeyRotationMapSize =
-        sizeof(stemKeyRotationMap) / sizeof(stemKeyRotationMap[0]);
-
-static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
-    keyCode = rotateStemKey(keyCode, orientation, stemKeyRotationMap, stemKeyRotationMapSize);
-    return rotateValueUsingRotationMap(keyCode, orientation, keyCodeRotationMap,
-                                       keyCodeRotationMapSize);
+static bool isMediaKey(int32_t keyCode) {
+    switch (keyCode) {
+        case AKEYCODE_MEDIA_PLAY:
+        case AKEYCODE_MEDIA_PAUSE:
+        case AKEYCODE_MEDIA_PLAY_PAUSE:
+        case AKEYCODE_MUTE:
+        case AKEYCODE_HEADSETHOOK:
+        case AKEYCODE_MEDIA_STOP:
+        case AKEYCODE_MEDIA_NEXT:
+        case AKEYCODE_MEDIA_PREVIOUS:
+        case AKEYCODE_MEDIA_REWIND:
+        case AKEYCODE_MEDIA_RECORD:
+        case AKEYCODE_MEDIA_FAST_FORWARD:
+        case AKEYCODE_MEDIA_SKIP_FORWARD:
+        case AKEYCODE_MEDIA_SKIP_BACKWARD:
+        case AKEYCODE_MEDIA_STEP_FORWARD:
+        case AKEYCODE_MEDIA_STEP_BACKWARD:
+        case AKEYCODE_MEDIA_AUDIO_TRACK:
+        case AKEYCODE_VOLUME_UP:
+        case AKEYCODE_VOLUME_DOWN:
+        case AKEYCODE_VOLUME_MUTE:
+        case AKEYCODE_TV_AUDIO_DESCRIPTION:
+        case AKEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP:
+        case AKEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN:
+            return true;
+        default:
+            return false;
+    }
 }
 
 // --- KeyboardInputMapper ---
@@ -93,17 +97,15 @@ KeyboardInputMapper::KeyboardInputMapper(InputDeviceContext& deviceContext, uint
                                          int32_t keyboardType)
       : InputMapper(deviceContext), mSource(source), mKeyboardType(keyboardType) {}
 
-KeyboardInputMapper::~KeyboardInputMapper() {}
-
 uint32_t KeyboardInputMapper::getSources() const {
     return mSource;
 }
 
-int32_t KeyboardInputMapper::getOrientation() {
+ui::Rotation KeyboardInputMapper::getOrientation() {
     if (mViewport) {
         return mViewport->orientation;
     }
-    return DISPLAY_ORIENTATION_0;
+    return ui::ROTATION_0;
 }
 
 int32_t KeyboardInputMapper::getDisplayId() {
@@ -127,11 +129,10 @@ void KeyboardInputMapper::dump(std::string& dump) {
     dump += StringPrintf(INDENT3 "Orientation: %d\n", getOrientation());
     dump += StringPrintf(INDENT3 "KeyDowns: %zu keys currently down\n", mKeyDowns.size());
     dump += StringPrintf(INDENT3 "MetaState: 0x%0x\n", mMetaState);
-    dump += StringPrintf(INDENT3 "DownTime: %" PRId64 "\n", mDownTime);
 }
 
 std::optional<DisplayViewport> KeyboardInputMapper::findViewport(
-        nsecs_t when, const InputReaderConfiguration* config) {
+        const InputReaderConfiguration* config) {
     if (getDeviceContext().getAssociatedViewport()) {
         return getDeviceContext().getAssociatedViewport();
     }
@@ -144,9 +145,10 @@ std::optional<DisplayViewport> KeyboardInputMapper::findViewport(
     return std::nullopt;
 }
 
-void KeyboardInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                    uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> KeyboardInputMapper::configure(nsecs_t when,
+                                                     const InputReaderConfiguration* config,
+                                                     uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         // Configure basic parameters.
@@ -154,122 +156,59 @@ void KeyboardInputMapper::configure(nsecs_t when, const InputReaderConfiguration
     }
 
     if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
-        mViewport = findViewport(when, config);
-    }
-}
-
-static void mapStemKey(int32_t keyCode, const PropertyMap& config, char const* property) {
-    int32_t mapped = 0;
-    if (config.tryGetProperty(String8(property), mapped) && mapped > 0) {
-        for (size_t i = 0; i < stemKeyRotationMapSize; i++) {
-            if (stemKeyRotationMap[i][0] == keyCode) {
-                stemKeyRotationMap[i][1] = mapped;
-                return;
-            }
-        }
+        mViewport = findViewport(config);
     }
+    return out;
 }
 
 void KeyboardInputMapper::configureParameters() {
     mParameters.orientationAware = false;
     const PropertyMap& config = getDeviceContext().getConfiguration();
-    config.tryGetProperty(String8("keyboard.orientationAware"), mParameters.orientationAware);
-
-    if (mParameters.orientationAware) {
-        mapStemKey(AKEYCODE_STEM_PRIMARY, config, "keyboard.rotated.stem_primary");
-        mapStemKey(AKEYCODE_STEM_1, config, "keyboard.rotated.stem_1");
-        mapStemKey(AKEYCODE_STEM_2, config, "keyboard.rotated.stem_2");
-        mapStemKey(AKEYCODE_STEM_3, config, "keyboard.rotated.stem_3");
-    }
+    config.tryGetProperty("keyboard.orientationAware", mParameters.orientationAware);
 
     mParameters.handlesKeyRepeat = false;
-    config.tryGetProperty(String8("keyboard.handlesKeyRepeat"), mParameters.handlesKeyRepeat);
+    config.tryGetProperty("keyboard.handlesKeyRepeat", mParameters.handlesKeyRepeat);
 
     mParameters.doNotWakeByDefault = false;
-    config.tryGetProperty(String8("keyboard.doNotWakeByDefault"), mParameters.doNotWakeByDefault);
+    config.tryGetProperty("keyboard.doNotWakeByDefault", mParameters.doNotWakeByDefault);
 }
 
-void KeyboardInputMapper::dumpParameters(std::string& dump) {
+void KeyboardInputMapper::dumpParameters(std::string& dump) const {
     dump += INDENT3 "Parameters:\n";
     dump += StringPrintf(INDENT4 "OrientationAware: %s\n", toString(mParameters.orientationAware));
     dump += StringPrintf(INDENT4 "HandlesKeyRepeat: %s\n", toString(mParameters.handlesKeyRepeat));
 }
 
-void KeyboardInputMapper::reset(nsecs_t when) {
-    mMetaState = AMETA_NONE;
-    mDownTime = 0;
-    mKeyDowns.clear();
-    mCurrentHidUsage = 0;
+std::list<NotifyArgs> KeyboardInputMapper::reset(nsecs_t when) {
+    std::list<NotifyArgs> out = cancelAllDownKeys(when);
+    mHidUsageAccumulator.reset();
 
     resetLedState();
 
-    InputMapper::reset(when);
+    out += InputMapper::reset(when);
+    return out;
 }
 
-void KeyboardInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> KeyboardInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
+    mHidUsageAccumulator.process(*rawEvent);
     switch (rawEvent->type) {
         case EV_KEY: {
             int32_t scanCode = rawEvent->code;
-            int32_t usageCode = mCurrentHidUsage;
-            mCurrentHidUsage = 0;
 
-            if (isKeyboardOrGamepadKey(scanCode)) {
-                processKey(rawEvent->when, rawEvent->readTime, rawEvent->value != 0, scanCode,
-                           usageCode);
+            if (isSupportedScanCode(scanCode)) {
+                out += processKey(rawEvent->when, rawEvent->readTime, rawEvent->value != 0,
+                                  scanCode, mHidUsageAccumulator.consumeCurrentHidUsage());
             }
             break;
         }
-        case EV_MSC: {
-            if (rawEvent->code == MSC_SCAN) {
-                mCurrentHidUsage = rawEvent->value;
-            }
-            break;
-        }
-        case EV_SYN: {
-            if (rawEvent->code == SYN_REPORT) {
-                mCurrentHidUsage = 0;
-            }
-        }
     }
+    return out;
 }
 
-bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
-    return scanCode < BTN_MOUSE || scanCode >= BTN_WHEEL ||
-            (scanCode >= BTN_MISC && scanCode < BTN_MOUSE) ||
-            (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI);
-}
-
-bool KeyboardInputMapper::isMediaKey(int32_t keyCode) {
-    switch (keyCode) {
-        case AKEYCODE_MEDIA_PLAY:
-        case AKEYCODE_MEDIA_PAUSE:
-        case AKEYCODE_MEDIA_PLAY_PAUSE:
-        case AKEYCODE_MUTE:
-        case AKEYCODE_HEADSETHOOK:
-        case AKEYCODE_MEDIA_STOP:
-        case AKEYCODE_MEDIA_NEXT:
-        case AKEYCODE_MEDIA_PREVIOUS:
-        case AKEYCODE_MEDIA_REWIND:
-        case AKEYCODE_MEDIA_RECORD:
-        case AKEYCODE_MEDIA_FAST_FORWARD:
-        case AKEYCODE_MEDIA_SKIP_FORWARD:
-        case AKEYCODE_MEDIA_SKIP_BACKWARD:
-        case AKEYCODE_MEDIA_STEP_FORWARD:
-        case AKEYCODE_MEDIA_STEP_BACKWARD:
-        case AKEYCODE_MEDIA_AUDIO_TRACK:
-        case AKEYCODE_VOLUME_UP:
-        case AKEYCODE_VOLUME_DOWN:
-        case AKEYCODE_VOLUME_MUTE:
-        case AKEYCODE_TV_AUDIO_DESCRIPTION:
-        case AKEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP:
-        case AKEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN:
-            return true;
-    }
-    return false;
-}
-
-void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down, int32_t scanCode,
-                                     int32_t usageCode) {
+std::list<NotifyArgs> KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
+                                                      int32_t scanCode, int32_t usageCode) {
+    std::list<NotifyArgs> out;
     int32_t keyCode;
     int32_t keyMetaState;
     uint32_t policyFlags;
@@ -281,6 +220,8 @@ void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
         policyFlags = 0;
     }
 
+    nsecs_t downTime = when;
+    std::optional<size_t> keyDownIndex = findKeyDownIndex(scanCode);
     if (down) {
         // Rotate key codes according to orientation if needed.
         if (mParameters.orientationAware) {
@@ -288,40 +229,39 @@ void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
         }
 
         // Add key down.
-        ssize_t keyDownIndex = findKeyDown(scanCode);
-        if (keyDownIndex >= 0) {
+        if (keyDownIndex) {
             // key repeat, be sure to use same keycode as before in case of rotation
-            keyCode = mKeyDowns[keyDownIndex].keyCode;
+            keyCode = mKeyDowns[*keyDownIndex].keyCode;
+            downTime = mKeyDowns[*keyDownIndex].downTime;
         } else {
             // key down
             if ((policyFlags & POLICY_FLAG_VIRTUAL) &&
                 getContext()->shouldDropVirtualKey(when, keyCode, scanCode)) {
-                return;
+                return out;
             }
             if (policyFlags & POLICY_FLAG_GESTURE) {
-                getDeviceContext().cancelTouch(when, readTime);
+                out += getDeviceContext().cancelTouch(when, readTime);
             }
 
             KeyDown keyDown;
             keyDown.keyCode = keyCode;
             keyDown.scanCode = scanCode;
+            keyDown.downTime = when;
             mKeyDowns.push_back(keyDown);
         }
-
-        mDownTime = when;
     } else {
         // Remove key down.
-        ssize_t keyDownIndex = findKeyDown(scanCode);
-        if (keyDownIndex >= 0) {
+        if (keyDownIndex) {
             // key up, be sure to use same keycode as before in case of rotation
-            keyCode = mKeyDowns[keyDownIndex].keyCode;
-            mKeyDowns.erase(mKeyDowns.begin() + (size_t)keyDownIndex);
+            keyCode = mKeyDowns[*keyDownIndex].keyCode;
+            downTime = mKeyDowns[*keyDownIndex].downTime;
+            mKeyDowns.erase(mKeyDowns.begin() + *keyDownIndex);
         } else {
             // key was not actually down
             ALOGI("Dropping key up from device %s because the key was not down.  "
                   "keyCode=%d, scanCode=%d",
                   getDeviceName().c_str(), keyCode, scanCode);
-            return;
+            return out;
         }
     }
 
@@ -333,8 +273,6 @@ void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
         keyMetaState = mMetaState;
     }
 
-    nsecs_t downTime = mDownTime;
-
     // Key down on external an keyboard should wake the device.
     // We don't do this for internal keyboards to prevent them from waking up in your pocket.
     // For internal keyboards and devices for which the default wake behavior is explicitly
@@ -350,21 +288,22 @@ void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
         policyFlags |= POLICY_FLAG_DISABLE_KEY_REPEAT;
     }
 
-    NotifyKeyArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                       getDisplayId(), policyFlags,
-                       down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
-                       AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState, downTime);
-    getListener().notifyKey(&args);
+    out.emplace_back(NotifyKeyArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                   mSource, getDisplayId(), policyFlags,
+                                   down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+                                   AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState,
+                                   downTime));
+    return out;
 }
 
-ssize_t KeyboardInputMapper::findKeyDown(int32_t scanCode) {
+std::optional<size_t> KeyboardInputMapper::findKeyDownIndex(int32_t scanCode) {
     size_t n = mKeyDowns.size();
     for (size_t i = 0; i < n; i++) {
         if (mKeyDowns[i].scanCode == scanCode) {
             return i;
         }
     }
-    return -1;
+    return {};
 }
 
 int32_t KeyboardInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
@@ -379,9 +318,10 @@ int32_t KeyboardInputMapper::getKeyCodeForKeyLocation(int32_t locationKeyCode) c
     return getDeviceContext().getKeyCodeForKeyLocation(locationKeyCode);
 }
 
-bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                                const int32_t* keyCodes, uint8_t* outFlags) {
-    return getDeviceContext().markSupportedKeyCodes(numCodes, keyCodes, outFlags);
+bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                                const std::vector<int32_t>& keyCodes,
+                                                uint8_t* outFlags) {
+    return getDeviceContext().markSupportedKeyCodes(keyCodes, outFlags);
 }
 
 int32_t KeyboardInputMapper::getMetaState() {
@@ -433,13 +373,12 @@ void KeyboardInputMapper::updateLedState(bool reset) {
     mMetaState |= getContext()->getLedMetaState();
 
     constexpr int32_t META_NUM = 3;
-    const std::array<int32_t, META_NUM> keyCodes = {AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
-                                                    AKEYCODE_SCROLL_LOCK};
+    const std::vector<int32_t> keyCodes{AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
+                                        AKEYCODE_SCROLL_LOCK};
     const std::array<int32_t, META_NUM> metaCodes = {AMETA_CAPS_LOCK_ON, AMETA_NUM_LOCK_ON,
                                                      AMETA_SCROLL_LOCK_ON};
     std::array<uint8_t, META_NUM> flags = {0, 0, 0};
-    bool hasKeyLayout =
-            getDeviceContext().markSupportedKeyCodes(META_NUM, keyCodes.data(), flags.data());
+    bool hasKeyLayout = getDeviceContext().markSupportedKeyCodes(keyCodes, flags.data());
     // If the device doesn't have the physical meta key it shouldn't generate the corresponding
     // meta state.
     if (hasKeyLayout) {
@@ -473,4 +412,20 @@ std::optional<int32_t> KeyboardInputMapper::getAssociatedDisplayId() {
     return std::nullopt;
 }
 
+std::list<NotifyArgs> KeyboardInputMapper::cancelAllDownKeys(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    size_t n = mKeyDowns.size();
+    for (size_t i = 0; i < n; i++) {
+        out.emplace_back(NotifyKeyArgs(getContext()->getNextId(), when,
+                                       systemTime(SYSTEM_TIME_MONOTONIC), getDeviceId(), mSource,
+                                       getDisplayId(), 0 /*policyFlags*/, AKEY_EVENT_ACTION_UP,
+                                       AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_CANCELED,
+                                       mKeyDowns[i].keyCode, mKeyDowns[i].scanCode, AMETA_NONE,
+                                       mKeyDowns[i].downTime));
+    }
+    mKeyDowns.clear();
+    mMetaState = AMETA_NONE;
+    return out;
+}
+
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 378769639e..0526fd89de 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
-#define _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
+#pragma once
 
+#include "HidUsageAccumulator.h"
 #include "InputMapper.h"
 
 namespace android {
@@ -24,82 +24,79 @@ namespace android {
 class KeyboardInputMapper : public InputMapper {
 public:
     KeyboardInputMapper(InputDeviceContext& deviceContext, uint32_t source, int32_t keyboardType);
-    virtual ~KeyboardInputMapper();
-
-    virtual uint32_t getSources() const override;
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
-
-    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags) override;
-    virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
-
-    virtual int32_t getMetaState() override;
-    virtual bool updateMetaState(int32_t keyCode) override;
-    virtual std::optional<int32_t> getAssociatedDisplayId() override;
-    virtual void updateLedState(bool reset);
+    ~KeyboardInputMapper() override = default;
+
+    uint32_t getSources() const override;
+    void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+    void dump(std::string& dump) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
+
+    int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
+    int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                               uint8_t* outFlags) override;
+    int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
+
+    int32_t getMetaState() override;
+    bool updateMetaState(int32_t keyCode) override;
+    std::optional<int32_t> getAssociatedDisplayId() override;
+    void updateLedState(bool reset) override;
 
 private:
     // The current viewport.
-    std::optional<DisplayViewport> mViewport;
+    std::optional<DisplayViewport> mViewport{};
 
     struct KeyDown {
-        int32_t keyCode;
-        int32_t scanCode;
+        nsecs_t downTime{};
+        int32_t keyCode{};
+        int32_t scanCode{};
     };
 
-    uint32_t mSource;
-    int32_t mKeyboardType;
+    uint32_t mSource{};
+    int32_t mKeyboardType{};
 
-    std::vector<KeyDown> mKeyDowns; // keys that are down
-    int32_t mMetaState;
-    nsecs_t mDownTime; // time of most recent key down
+    std::vector<KeyDown> mKeyDowns{}; // keys that are down
+    int32_t mMetaState{};
 
-    int32_t mCurrentHidUsage; // most recent HID usage seen this packet, or 0 if none
+    HidUsageAccumulator mHidUsageAccumulator;
 
     struct LedState {
-        bool avail; // led is available
-        bool on;    // we think the led is currently on
+        bool avail{}; // led is available
+        bool on{};    // we think the led is currently on
     };
-    LedState mCapsLockLedState;
-    LedState mNumLockLedState;
-    LedState mScrollLockLedState;
+    LedState mCapsLockLedState{};
+    LedState mNumLockLedState{};
+    LedState mScrollLockLedState{};
 
     // Immutable configuration parameters.
     struct Parameters {
-        bool orientationAware;
-        bool handlesKeyRepeat;
-        bool doNotWakeByDefault;
-    } mParameters;
+        bool orientationAware{};
+        bool handlesKeyRepeat{};
+        bool doNotWakeByDefault{};
+    } mParameters{};
 
     void configureParameters();
-    void dumpParameters(std::string& dump);
+    void dumpParameters(std::string& dump) const;
 
-    int32_t getOrientation();
+    ui::Rotation getOrientation();
     int32_t getDisplayId();
 
-    bool isKeyboardOrGamepadKey(int32_t scanCode);
-    bool isMediaKey(int32_t keyCode);
-
-    void processKey(nsecs_t when, nsecs_t readTime, bool down, int32_t scanCode, int32_t usageCode);
+    [[nodiscard]] std::list<NotifyArgs> processKey(nsecs_t when, nsecs_t readTime, bool down,
+                                                   int32_t scanCode, int32_t usageCode);
 
     bool updateMetaStateIfNeeded(int32_t keyCode, bool down);
 
-    ssize_t findKeyDown(int32_t scanCode);
+    std::optional<size_t> findKeyDownIndex(int32_t scanCode);
 
     void resetLedState();
     void initializeLedState(LedState& ledState, int32_t led);
     void updateLedStateForModifier(LedState& ledState, int32_t led, int32_t modifier, bool reset);
-    std::optional<DisplayViewport> findViewport(nsecs_t when,
-                                                const InputReaderConfiguration* config);
+    std::optional<DisplayViewport> findViewport(const InputReaderConfiguration* config);
+    [[nodiscard]] std::list<NotifyArgs> cancelAllDownKeys(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
index cc323ad42e..633efc6047 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
@@ -16,9 +16,8 @@
 
 #include "../Macros.h"
 
-#include "MultiTouchInputMapper.h"
-
 #include <android/sysprop/InputProperties.sysprop.h>
+#include "MultiTouchInputMapper.h"
 
 namespace android {
 
@@ -27,196 +26,6 @@ namespace android {
 // Maximum number of slots supported when using the slot-based Multitouch Protocol B.
 static constexpr size_t MAX_SLOTS = 32;
 
-// --- MultiTouchMotionAccumulator ---
-
-MultiTouchMotionAccumulator::MultiTouchMotionAccumulator()
-      : mCurrentSlot(-1),
-        mSlots(nullptr),
-        mSlotCount(0),
-        mUsingSlotsProtocol(false),
-        mHaveStylus(false) {}
-
-MultiTouchMotionAccumulator::~MultiTouchMotionAccumulator() {
-    delete[] mSlots;
-}
-
-void MultiTouchMotionAccumulator::configure(InputDeviceContext& deviceContext, size_t slotCount,
-                                            bool usingSlotsProtocol) {
-    mSlotCount = slotCount;
-    mUsingSlotsProtocol = usingSlotsProtocol;
-    mHaveStylus = deviceContext.hasAbsoluteAxis(ABS_MT_TOOL_TYPE);
-
-    delete[] mSlots;
-    mSlots = new Slot[slotCount];
-
-    mCurrentSlot = -1;
-    if (mUsingSlotsProtocol) {
-        // Query the driver for the current slot index and use it as the initial slot
-        // before we start reading events from the device.  It is possible that the
-        // current slot index will not be the same as it was when the first event was
-        // written into the evdev buffer, which means the input mapper could start
-        // out of sync with the initial state of the events in the evdev buffer.
-        // In the extremely unlikely case that this happens, the data from
-        // two slots will be confused until the next ABS_MT_SLOT event is received.
-        // This can cause the touch point to "jump", but at least there will be
-        // no stuck touches.
-        int32_t initialSlot;
-        if (const auto status = deviceContext.getAbsoluteAxisValue(ABS_MT_SLOT, &initialSlot);
-            status == OK) {
-            mCurrentSlot = initialSlot;
-        } else {
-            ALOGD("Could not retrieve current multi-touch slot index. status=%d", status);
-        }
-    }
-}
-
-void MultiTouchMotionAccumulator::resetSlots() {
-    if (mSlots) {
-        for (size_t i = 0; i < mSlotCount; i++) {
-            mSlots[i].clear();
-        }
-    }
-    mCurrentSlot = -1;
-}
-
-void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
-    if (rawEvent->type == EV_ABS) {
-        bool newSlot = false;
-        if (mUsingSlotsProtocol) {
-            if (rawEvent->code == ABS_MT_SLOT) {
-                mCurrentSlot = rawEvent->value;
-                newSlot = true;
-            }
-        } else if (mCurrentSlot < 0) {
-            mCurrentSlot = 0;
-        }
-
-        if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlotCount) {
-            if (DEBUG_POINTERS) {
-                if (newSlot) {
-                    ALOGW("MultiTouch device emitted invalid slot index %d but it "
-                          "should be between 0 and %zd; ignoring this slot.",
-                          mCurrentSlot, mSlotCount - 1);
-                }
-            }
-        } else {
-            Slot* slot = &mSlots[mCurrentSlot];
-            // If mUsingSlotsProtocol is true, it means the raw pointer has axis info of
-            // ABS_MT_TRACKING_ID and ABS_MT_SLOT, so driver should send a valid trackingId while
-            // updating the slot.
-            if (!mUsingSlotsProtocol) {
-                slot->mInUse = true;
-            }
-
-            switch (rawEvent->code) {
-                case ABS_MT_POSITION_X:
-                    slot->mAbsMTPositionX = rawEvent->value;
-                    warnIfNotInUse(*rawEvent, *slot);
-                    break;
-                case ABS_MT_POSITION_Y:
-                    slot->mAbsMTPositionY = rawEvent->value;
-                    warnIfNotInUse(*rawEvent, *slot);
-                    break;
-                case ABS_MT_TOUCH_MAJOR:
-                    slot->mAbsMTTouchMajor = rawEvent->value;
-                    break;
-                case ABS_MT_TOUCH_MINOR:
-                    slot->mAbsMTTouchMinor = rawEvent->value;
-                    slot->mHaveAbsMTTouchMinor = true;
-                    break;
-                case ABS_MT_WIDTH_MAJOR:
-                    slot->mAbsMTWidthMajor = rawEvent->value;
-                    break;
-                case ABS_MT_WIDTH_MINOR:
-                    slot->mAbsMTWidthMinor = rawEvent->value;
-                    slot->mHaveAbsMTWidthMinor = true;
-                    break;
-                case ABS_MT_ORIENTATION:
-                    slot->mAbsMTOrientation = rawEvent->value;
-                    break;
-                case ABS_MT_TRACKING_ID:
-                    if (mUsingSlotsProtocol && rawEvent->value < 0) {
-                        // The slot is no longer in use but it retains its previous contents,
-                        // which may be reused for subsequent touches.
-                        slot->mInUse = false;
-                    } else {
-                        slot->mInUse = true;
-                        slot->mAbsMTTrackingId = rawEvent->value;
-                    }
-                    break;
-                case ABS_MT_PRESSURE:
-                    slot->mAbsMTPressure = rawEvent->value;
-                    break;
-                case ABS_MT_DISTANCE:
-                    slot->mAbsMTDistance = rawEvent->value;
-                    break;
-                case ABS_MT_TOOL_TYPE:
-                    slot->mAbsMTToolType = rawEvent->value;
-                    slot->mHaveAbsMTToolType = true;
-                    break;
-            }
-        }
-    } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_MT_REPORT) {
-        // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
-        mCurrentSlot += 1;
-    }
-}
-
-void MultiTouchMotionAccumulator::finishSync() {
-    if (!mUsingSlotsProtocol) {
-        resetSlots();
-    }
-}
-
-bool MultiTouchMotionAccumulator::hasStylus() const {
-    return mHaveStylus;
-}
-
-void MultiTouchMotionAccumulator::warnIfNotInUse(const RawEvent& event, const Slot& slot) {
-    if (!slot.mInUse) {
-        ALOGW("Received unexpected event (0x%0x, 0x%0x) for slot %i with tracking id %i",
-              event.code, event.value, mCurrentSlot, slot.mAbsMTTrackingId);
-    }
-}
-
-// --- MultiTouchMotionAccumulator::Slot ---
-
-MultiTouchMotionAccumulator::Slot::Slot() {
-    clear();
-}
-
-void MultiTouchMotionAccumulator::Slot::clear() {
-    mInUse = false;
-    mHaveAbsMTTouchMinor = false;
-    mHaveAbsMTWidthMinor = false;
-    mHaveAbsMTToolType = false;
-    mAbsMTPositionX = 0;
-    mAbsMTPositionY = 0;
-    mAbsMTTouchMajor = 0;
-    mAbsMTTouchMinor = 0;
-    mAbsMTWidthMajor = 0;
-    mAbsMTWidthMinor = 0;
-    mAbsMTOrientation = 0;
-    mAbsMTTrackingId = -1;
-    mAbsMTPressure = 0;
-    mAbsMTDistance = 0;
-    mAbsMTToolType = 0;
-}
-
-int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
-    if (mHaveAbsMTToolType) {
-        switch (mAbsMTToolType) {
-            case MT_TOOL_FINGER:
-                return AMOTION_EVENT_TOOL_TYPE_FINGER;
-            case MT_TOOL_PEN:
-                return AMOTION_EVENT_TOOL_TYPE_STYLUS;
-            case MT_TOOL_PALM:
-                return AMOTION_EVENT_TOOL_TYPE_PALM;
-        }
-    }
-    return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
-}
-
 // --- MultiTouchInputMapper ---
 
 MultiTouchInputMapper::MultiTouchInputMapper(InputDeviceContext& deviceContext)
@@ -224,20 +33,21 @@ MultiTouchInputMapper::MultiTouchInputMapper(InputDeviceContext& deviceContext)
 
 MultiTouchInputMapper::~MultiTouchInputMapper() {}
 
-void MultiTouchInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> MultiTouchInputMapper::reset(nsecs_t when) {
     // The evdev multi-touch protocol does not allow userspace applications to query the initial or
     // current state of the pointers at any time. This means if we clear our accumulated state when
     // resetting the input mapper, there's no way to rebuild the full initial state of the pointers.
     // We can only wait for updates to all the pointers and axes. Rather than clearing the state and
     // rebuilding the state from scratch, we work around this kernel API limitation by never
     // fully clearing any state specific to the multi-touch protocol.
-    TouchInputMapper::reset(when);
+    return TouchInputMapper::reset(when);
 }
 
-void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
-    TouchInputMapper::process(rawEvent);
+std::list<NotifyArgs> MultiTouchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out = TouchInputMapper::process(rawEvent);
 
     mMultiTouchMotionAccumulator.process(rawEvent);
+    return out;
 }
 
 std::optional<int32_t> MultiTouchInputMapper::getActiveBitId(
@@ -261,14 +71,14 @@ void MultiTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
     mHavePointerIds = true;
 
     for (size_t inIndex = 0; inIndex < inCount; inIndex++) {
-        const MultiTouchMotionAccumulator::Slot* inSlot =
+        const MultiTouchMotionAccumulator::Slot& inSlot =
                 mMultiTouchMotionAccumulator.getSlot(inIndex);
-        if (!inSlot->isInUse()) {
+        if (!inSlot.isInUse()) {
             continue;
         }
 
-        if (inSlot->getToolType() == AMOTION_EVENT_TOOL_TYPE_PALM) {
-            std::optional<int32_t> id = getActiveBitId(*inSlot);
+        if (inSlot.getToolType() == AMOTION_EVENT_TOOL_TYPE_PALM) {
+            std::optional<int32_t> id = getActiveBitId(inSlot);
             if (id) {
                 outState->rawPointerData.canceledIdBits.markBit(id.value());
             }
@@ -289,24 +99,36 @@ void MultiTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
         }
 
         RawPointerData::Pointer& outPointer = outState->rawPointerData.pointers[outCount];
-        outPointer.x = inSlot->getX();
-        outPointer.y = inSlot->getY();
-        outPointer.pressure = inSlot->getPressure();
-        outPointer.touchMajor = inSlot->getTouchMajor();
-        outPointer.touchMinor = inSlot->getTouchMinor();
-        outPointer.toolMajor = inSlot->getToolMajor();
-        outPointer.toolMinor = inSlot->getToolMinor();
-        outPointer.orientation = inSlot->getOrientation();
-        outPointer.distance = inSlot->getDistance();
+        outPointer.x = inSlot.getX();
+        outPointer.y = inSlot.getY();
+        outPointer.pressure = inSlot.getPressure();
+        outPointer.touchMajor = inSlot.getTouchMajor();
+        outPointer.touchMinor = inSlot.getTouchMinor();
+        outPointer.toolMajor = inSlot.getToolMajor();
+        outPointer.toolMinor = inSlot.getToolMinor();
+        outPointer.orientation = inSlot.getOrientation();
+        outPointer.distance = inSlot.getDistance();
         outPointer.tiltX = 0;
         outPointer.tiltY = 0;
 
-        outPointer.toolType = inSlot->getToolType();
+        outPointer.toolType = inSlot.getToolType();
         if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
             outPointer.toolType = mTouchButtonAccumulator.getToolType();
             if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
                 outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
             }
+        } else if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS && !mStylusMtToolSeen) {
+            mStylusMtToolSeen = true;
+            // The multi-touch device produced a stylus event with MT_TOOL_PEN. Dynamically
+            // re-configure this input device so that we add SOURCE_STYLUS if we haven't already.
+            // This is to cover the case where we cannot reliably detect whether a multi-touch
+            // device will ever produce stylus events when it is initially being configured.
+            if (!isFromSource(mSource, AINPUT_SOURCE_STYLUS)) {
+                // Add the stylus source immediately so that it is included in any events generated
+                // before we have a chance to re-configure the device.
+                mSource |= AINPUT_SOURCE_STYLUS;
+                bumpGeneration();
+            }
         }
         if (shouldSimulateStylusWithTouch() &&
             outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER) {
@@ -315,12 +137,12 @@ void MultiTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
 
         bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE &&
                 (mTouchButtonAccumulator.isHovering() ||
-                 (mRawPointerAxes.pressure.valid && inSlot->getPressure() <= 0));
+                 (mRawPointerAxes.pressure.valid && inSlot.getPressure() <= 0));
         outPointer.isHovering = isHovering;
 
         // Assign pointer id using tracking id if available.
         if (mHavePointerIds) {
-            int32_t trackingId = inSlot->getTrackingId();
+            int32_t trackingId = inSlot.getTrackingId();
             int32_t id = -1;
             if (trackingId >= 0) {
                 for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty();) {
@@ -388,7 +210,7 @@ void MultiTouchInputMapper::configureRawPointerAxes() {
 }
 
 bool MultiTouchInputMapper::hasStylus() const {
-    return mMultiTouchMotionAccumulator.hasStylus() || mTouchButtonAccumulator.hasStylus() ||
+    return mStylusMtToolSeen || mTouchButtonAccumulator.hasStylus() ||
             shouldSimulateStylusWithTouch();
 }
 
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
index e7d935082a..5f8bccf9e6 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
@@ -14,88 +14,20 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include "TouchInputMapper.h"
+#include "accumulator/MultiTouchMotionAccumulator.h"
 
 namespace android {
 
-/* Keeps track of the state of multi-touch protocol. */
-class MultiTouchMotionAccumulator {
-public:
-    class Slot {
-    public:
-        inline bool isInUse() const { return mInUse; }
-        inline int32_t getX() const { return mAbsMTPositionX; }
-        inline int32_t getY() const { return mAbsMTPositionY; }
-        inline int32_t getTouchMajor() const { return mAbsMTTouchMajor; }
-        inline int32_t getTouchMinor() const {
-            return mHaveAbsMTTouchMinor ? mAbsMTTouchMinor : mAbsMTTouchMajor;
-        }
-        inline int32_t getToolMajor() const { return mAbsMTWidthMajor; }
-        inline int32_t getToolMinor() const {
-            return mHaveAbsMTWidthMinor ? mAbsMTWidthMinor : mAbsMTWidthMajor;
-        }
-        inline int32_t getOrientation() const { return mAbsMTOrientation; }
-        inline int32_t getTrackingId() const { return mAbsMTTrackingId; }
-        inline int32_t getPressure() const { return mAbsMTPressure; }
-        inline int32_t getDistance() const { return mAbsMTDistance; }
-        inline int32_t getToolType() const;
-
-    private:
-        friend class MultiTouchMotionAccumulator;
-
-        bool mInUse;
-        bool mHaveAbsMTTouchMinor;
-        bool mHaveAbsMTWidthMinor;
-        bool mHaveAbsMTToolType;
-
-        int32_t mAbsMTPositionX;
-        int32_t mAbsMTPositionY;
-        int32_t mAbsMTTouchMajor;
-        int32_t mAbsMTTouchMinor;
-        int32_t mAbsMTWidthMajor;
-        int32_t mAbsMTWidthMinor;
-        int32_t mAbsMTOrientation;
-        int32_t mAbsMTTrackingId;
-        int32_t mAbsMTPressure;
-        int32_t mAbsMTDistance;
-        int32_t mAbsMTToolType;
-
-        Slot();
-        void clear();
-    };
-
-    MultiTouchMotionAccumulator();
-    ~MultiTouchMotionAccumulator();
-
-    void configure(InputDeviceContext& deviceContext, size_t slotCount, bool usingSlotsProtocol);
-    void process(const RawEvent* rawEvent);
-    void finishSync();
-    bool hasStylus() const;
-
-    inline size_t getSlotCount() const { return mSlotCount; }
-    inline const Slot* getSlot(size_t index) const { return &mSlots[index]; }
-
-private:
-    int32_t mCurrentSlot;
-    Slot* mSlots;
-    size_t mSlotCount;
-    bool mUsingSlotsProtocol;
-    bool mHaveStylus;
-
-    void resetSlots();
-    void warnIfNotInUse(const RawEvent& event, const Slot& slot);
-};
-
 class MultiTouchInputMapper : public TouchInputMapper {
 public:
     explicit MultiTouchInputMapper(InputDeviceContext& deviceContext);
     ~MultiTouchInputMapper() override;
 
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 protected:
     void syncTouch(nsecs_t when, RawState* outState) override;
@@ -118,8 +50,8 @@ private:
     // Specifies the pointer id bits that are in use, and their associated tracking id.
     BitSet32 mPointerIdBits;
     int32_t mPointerTrackingIdMap[MAX_POINTER_ID + 1];
+
+    bool mStylusMtToolSeen{false};
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
index eca25f6e6a..19a79d7751 100644
--- a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
@@ -25,7 +25,7 @@
 namespace android {
 
 RotaryEncoderInputMapper::RotaryEncoderInputMapper(InputDeviceContext& deviceContext)
-      : InputMapper(deviceContext), mOrientation(DISPLAY_ORIENTATION_0) {
+      : InputMapper(deviceContext), mOrientation(ui::ROTATION_0) {
     mSource = AINPUT_SOURCE_ROTARY_ENCODER;
 }
 
@@ -40,10 +40,10 @@ void RotaryEncoderInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
 
     if (mRotaryEncoderScrollAccumulator.haveRelativeVWheel()) {
         float res = 0.0f;
-        if (!getDeviceContext().getConfiguration().tryGetProperty(String8("device.res"), res)) {
+        if (!getDeviceContext().getConfiguration().tryGetProperty("device.res", res)) {
             ALOGW("Rotary Encoder device configuration file didn't specify resolution!\n");
         }
-        if (!getDeviceContext().getConfiguration().tryGetProperty(String8("device.scalingFactor"),
+        if (!getDeviceContext().getConfiguration().tryGetProperty("device.scalingFactor",
                                                                   mScalingFactor)) {
             ALOGW("Rotary Encoder device configuration file didn't specify scaling factor,"
                   "default to 1.0!\n");
@@ -60,9 +60,10 @@ void RotaryEncoderInputMapper::dump(std::string& dump) {
                          toString(mRotaryEncoderScrollAccumulator.haveRelativeVWheel()));
 }
 
-void RotaryEncoderInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                         uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> RotaryEncoderInputMapper::configure(nsecs_t when,
+                                                          const InputReaderConfiguration* config,
+                                                          uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
     if (!changes) {
         mRotaryEncoderScrollAccumulator.configure(getDeviceContext());
     }
@@ -72,65 +73,69 @@ void RotaryEncoderInputMapper::configure(nsecs_t when, const InputReaderConfigur
         if (internalViewport) {
             mOrientation = internalViewport->orientation;
         } else {
-            mOrientation = DISPLAY_ORIENTATION_0;
+            mOrientation = ui::ROTATION_0;
         }
     }
+    return out;
 }
 
-void RotaryEncoderInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> RotaryEncoderInputMapper::reset(nsecs_t when) {
     mRotaryEncoderScrollAccumulator.reset(getDeviceContext());
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void RotaryEncoderInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> RotaryEncoderInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mRotaryEncoderScrollAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        out += sync(rawEvent->when, rawEvent->readTime);
     }
+    return out;
 }
 
-void RotaryEncoderInputMapper::sync(nsecs_t when, nsecs_t readTime) {
-    PointerCoords pointerCoords;
-    pointerCoords.clear();
-
-    PointerProperties pointerProperties;
-    pointerProperties.clear();
-    pointerProperties.id = 0;
-    pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+std::list<NotifyArgs> RotaryEncoderInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
 
     float scroll = mRotaryEncoderScrollAccumulator.getRelativeVWheel();
     bool scrolled = scroll != 0;
 
-    // This is not a pointer, so it's not associated with a display.
-    int32_t displayId = ADISPLAY_ID_NONE;
-
-    // Moving the rotary encoder should wake the device (if specified).
-    uint32_t policyFlags = 0;
-    if (scrolled && getDeviceContext().isExternal()) {
-        policyFlags |= POLICY_FLAG_WAKE;
-    }
-
-    if (mOrientation == DISPLAY_ORIENTATION_180) {
-        scroll = -scroll;
-    }
-
     // Send motion event.
     if (scrolled) {
         int32_t metaState = getContext()->getGlobalMetaState();
+        // This is not a pointer, so it's not associated with a display.
+        int32_t displayId = ADISPLAY_ID_NONE;
+
+        if (mOrientation == ui::ROTATION_180) {
+            scroll = -scroll;
+        }
+
+        PointerCoords pointerCoords;
+        pointerCoords.clear();
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll * mScalingFactor);
 
-        NotifyMotionArgs scrollArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                    mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0,
-                                    0, metaState, /* buttonState */ 0, MotionClassification::NONE,
-                                    AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                    &pointerCoords, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                                    AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {});
-        getListener().notifyMotion(&scrollArgs);
+        PointerProperties pointerProperties;
+        pointerProperties.clear();
+        pointerProperties.id = 0;
+        pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+
+        uint32_t policyFlags = 0;
+        if (getDeviceContext().isExternal()) {
+            policyFlags |= POLICY_FLAG_WAKE;
+        }
+
+        out.push_back(
+                NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
+                                 displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0,
+                                 metaState, /* buttonState */ 0, MotionClassification::NONE,
+                                 AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                 &pointerCoords, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                 AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {}));
     }
 
     mRotaryEncoderScrollAccumulator.finishSync();
+    return out;
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
index 1859355a93..cb5fd88209 100644
--- a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
+++ b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
@@ -14,8 +14,9 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
-#define _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
+#pragma once
+
+#include <ui/Rotation.h>
 
 #include "CursorScrollAccumulator.h"
 #include "InputMapper.h"
@@ -30,21 +31,20 @@ public:
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     CursorScrollAccumulator mRotaryEncoderScrollAccumulator;
 
     int32_t mSource;
     float mScalingFactor;
-    int32_t mOrientation;
+    ui::Rotation mOrientation;
 
-    void sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.cpp b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
index b01c2bc13f..d81022f6e5 100644
--- a/services/inputflinger/reader/mapper/SensorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
@@ -64,7 +64,7 @@ uint32_t SensorInputMapper::getSources() const {
 template <typename T>
 bool SensorInputMapper::tryGetProperty(std::string keyName, T& outValue) {
     const auto& config = getDeviceContext().getConfiguration();
-    return config.tryGetProperty(String8(keyName.c_str()), outValue);
+    return config.tryGetProperty(keyName, outValue);
 }
 
 void SensorInputMapper::parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
@@ -122,9 +122,10 @@ void SensorInputMapper::dump(std::string& dump) {
     }
 }
 
-void SensorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                  uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> SensorInputMapper::configure(nsecs_t when,
+                                                   const InputReaderConfiguration* config,
+                                                   uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         mDeviceEnabled = true;
@@ -158,6 +159,7 @@ void SensorInputMapper::configure(nsecs_t when, const InputReaderConfiguration*
             }
         }
     }
+    return out;
 }
 
 SensorInputMapper::Axis SensorInputMapper::createAxis(const AxisInfo& axisInfo,
@@ -185,7 +187,7 @@ SensorInputMapper::Axis SensorInputMapper::createAxis(const AxisInfo& axisInfo,
     return Axis(rawAxisInfo, axisInfo, scale, offset, min, max, flat, fuzz, resolution, filter);
 }
 
-void SensorInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> SensorInputMapper::reset(nsecs_t when) {
     // Recenter all axes.
     for (std::pair<const int32_t, Axis>& pair : mAxes) {
         Axis& axis = pair.second;
@@ -193,7 +195,7 @@ void SensorInputMapper::reset(nsecs_t when) {
     }
     mHardwareTimestamp = 0;
     mPrevMscTime = 0;
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
 SensorInputMapper::Sensor SensorInputMapper::createSensor(InputDeviceSensorType sensorType,
@@ -256,7 +258,8 @@ void SensorInputMapper::processHardWareTimestamp(nsecs_t evTime, int32_t mscTime
     mPrevMscTime = static_cast<uint32_t>(mscTime);
 }
 
-void SensorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> SensorInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_ABS: {
             auto it = mAxes.find(rawEvent->code);
@@ -274,7 +277,7 @@ void SensorInputMapper::process(const RawEvent* rawEvent) {
                         Axis& axis = pair.second;
                         axis.currentValue = axis.newValue;
                     }
-                    sync(rawEvent->when, false /*force*/);
+                    out += sync(rawEvent->when, false /*force*/);
                     break;
             }
             break;
@@ -287,6 +290,7 @@ void SensorInputMapper::process(const RawEvent* rawEvent) {
                     break;
             }
     }
+    return out;
 }
 
 bool SensorInputMapper::setSensorEnabled(InputDeviceSensorType sensorType, bool enabled) {
@@ -375,7 +379,8 @@ void SensorInputMapper::disableSensor(InputDeviceSensorType sensorType) {
     }
 }
 
-void SensorInputMapper::sync(nsecs_t when, bool force) {
+std::list<NotifyArgs> SensorInputMapper::sync(nsecs_t when, bool force) {
+    std::list<NotifyArgs> out;
     for (auto& [sensorType, sensor] : mSensors) {
         // Skip if sensor not enabled
         if (!sensor.enabled) {
@@ -405,17 +410,17 @@ void SensorInputMapper::sync(nsecs_t when, bool force) {
             // Convert to Android unit
             convertFromLinuxToAndroid(values, sensorType);
             // Notify dispatcher for sensor event
-            NotifySensorArgs args(getContext()->getNextId(), when, getDeviceId(),
-                                  AINPUT_SOURCE_SENSOR, sensorType, sensor.sensorInfo.accuracy,
-                                  sensor.accuracy !=
-                                          sensor.sensorInfo.accuracy /* accuracyChanged */,
-                                  timestamp /* hwTimestamp */, values);
-
-            getListener().notifySensor(&args);
+            out.push_back(NotifySensorArgs(getContext()->getNextId(), when, getDeviceId(),
+                                           AINPUT_SOURCE_SENSOR, sensorType,
+                                           sensor.sensorInfo.accuracy,
+                                           sensor.accuracy !=
+                                                   sensor.sensorInfo.accuracy /* accuracyChanged */,
+                                           timestamp /* hwTimestamp */, values));
             sensor.lastSampleTimeNs = timestamp;
             sensor.accuracy = sensor.sensorInfo.accuracy;
         }
     }
+    return out;
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.h b/services/inputflinger/reader/mapper/SensorInputMapper.h
index 27a61771f2..457567ba7b 100644
--- a/services/inputflinger/reader/mapper/SensorInputMapper.h
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -31,9 +30,11 @@ public:
     uint32_t getSources() const override;
     void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     void dump(std::string& dump) override;
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
     bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
                       std::chrono::microseconds maxBatchReportLatency) override;
     void disableSensor(InputDeviceSensorType sensorType) override;
@@ -117,7 +118,7 @@ private:
     // Sensor list
     std::unordered_map<InputDeviceSensorType, Sensor> mSensors;
 
-    void sync(nsecs_t when, bool force);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, bool force);
 
     template <typename T>
     bool tryGetProperty(std::string keyName, T& outValue);
@@ -133,5 +134,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp b/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
index 4fff9bebb5..13ad224111 100644
--- a/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
@@ -23,16 +23,17 @@ SingleTouchInputMapper::SingleTouchInputMapper(InputDeviceContext& deviceContext
 
 SingleTouchInputMapper::~SingleTouchInputMapper() {}
 
-void SingleTouchInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> SingleTouchInputMapper::reset(nsecs_t when) {
     mSingleTouchMotionAccumulator.reset(getDeviceContext());
 
-    TouchInputMapper::reset(when);
+    return TouchInputMapper::reset(when);
 }
 
-void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
-    TouchInputMapper::process(rawEvent);
+std::list<NotifyArgs> SingleTouchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out = TouchInputMapper::process(rawEvent);
 
     mSingleTouchMotionAccumulator.process(rawEvent);
+    return out;
 }
 
 void SingleTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
diff --git a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
index 9cb3f67f20..662e6bca25 100644
--- a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include "SingleTouchMotionAccumulator.h"
 #include "TouchInputMapper.h"
@@ -27,8 +26,8 @@ public:
     explicit SingleTouchInputMapper(InputDeviceContext& deviceContext);
     ~SingleTouchInputMapper() override;
 
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 protected:
     void syncTouch(nsecs_t when, RawState* outState) override;
@@ -40,5 +39,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SwitchInputMapper.cpp b/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
index ebb5de66ed..c9101cadc6 100644
--- a/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
@@ -29,7 +29,8 @@ uint32_t SwitchInputMapper::getSources() const {
     return AINPUT_SOURCE_SWITCH;
 }
 
-void SwitchInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> SwitchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_SW:
             processSwitch(rawEvent->code, rawEvent->value);
@@ -37,9 +38,10 @@ void SwitchInputMapper::process(const RawEvent* rawEvent) {
 
         case EV_SYN:
             if (rawEvent->code == SYN_REPORT) {
-                sync(rawEvent->when);
+                out += sync(rawEvent->when);
             }
     }
+    return out;
 }
 
 void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
@@ -53,15 +55,16 @@ void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
     }
 }
 
-void SwitchInputMapper::sync(nsecs_t when) {
+std::list<NotifyArgs> SwitchInputMapper::sync(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mUpdatedSwitchMask) {
         uint32_t updatedSwitchValues = mSwitchValues & mUpdatedSwitchMask;
-        NotifySwitchArgs args(getContext()->getNextId(), when, 0 /*policyFlags*/,
-                              updatedSwitchValues, mUpdatedSwitchMask);
-        getListener().notifySwitch(&args);
+        out.push_back(NotifySwitchArgs(getContext()->getNextId(), when, 0 /*policyFlags*/,
+                                       updatedSwitchValues, mUpdatedSwitchMask));
 
         mUpdatedSwitchMask = 0;
     }
+    return out;
 }
 
 int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
diff --git a/services/inputflinger/reader/mapper/SwitchInputMapper.h b/services/inputflinger/reader/mapper/SwitchInputMapper.h
index 64b9aa27b4..06d6504684 100644
--- a/services/inputflinger/reader/mapper/SwitchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SwitchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -27,7 +26,7 @@ public:
     virtual ~SwitchInputMapper();
 
     virtual uint32_t getSources() const override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode) override;
     virtual void dump(std::string& dump) override;
@@ -37,9 +36,7 @@ private:
     uint32_t mUpdatedSwitchMask;
 
     void processSwitch(int32_t switchCode, int32_t switchValue);
-    void sync(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.cpp b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.cpp
new file mode 100644
index 0000000000..c12e95dfa0
--- /dev/null
+++ b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <input/DisplayViewport.h>
+#include <stdint.h>
+#include <ui/Rotation.h>
+
+#include "EventHub.h"
+#include "InputListener.h"
+#include "InputReaderContext.h"
+
+namespace android {
+
+namespace {
+
+[[nodiscard]] std::list<NotifyArgs> synthesizeButtonKey(
+        InputReaderContext* context, int32_t action, nsecs_t when, nsecs_t readTime,
+        int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
+        int32_t lastButtonState, int32_t currentButtonState, int32_t buttonState, int32_t keyCode) {
+    std::list<NotifyArgs> out;
+    if ((action == AKEY_EVENT_ACTION_DOWN && !(lastButtonState & buttonState) &&
+         (currentButtonState & buttonState)) ||
+        (action == AKEY_EVENT_ACTION_UP && (lastButtonState & buttonState) &&
+         !(currentButtonState & buttonState))) {
+        out.push_back(NotifyKeyArgs(context->getNextId(), when, readTime, deviceId, source,
+                                    displayId, policyFlags, action, 0, keyCode, 0,
+                                    context->getGlobalMetaState(), when));
+    }
+    return out;
+}
+
+} // namespace
+
+ui::Rotation getInverseRotation(ui::Rotation orientation) {
+    switch (orientation) {
+        case ui::ROTATION_90:
+            return ui::ROTATION_270;
+        case ui::ROTATION_270:
+            return ui::ROTATION_90;
+        default:
+            return orientation;
+    }
+}
+
+void rotateDelta(ui::Rotation orientation, float* deltaX, float* deltaY) {
+    float temp;
+    switch (orientation) {
+        case ui::ROTATION_90:
+            temp = *deltaX;
+            *deltaX = *deltaY;
+            *deltaY = -temp;
+            break;
+
+        case ui::ROTATION_180:
+            *deltaX = -*deltaX;
+            *deltaY = -*deltaY;
+            break;
+
+        case ui::ROTATION_270:
+            temp = *deltaX;
+            *deltaX = -*deltaY;
+            *deltaY = temp;
+            break;
+
+        default:
+            break;
+    }
+}
+
+bool isPointerDown(int32_t buttonState) {
+    return buttonState &
+            (AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY |
+             AMOTION_EVENT_BUTTON_TERTIARY);
+}
+
+[[nodiscard]] std::list<NotifyArgs> synthesizeButtonKeys(
+        InputReaderContext* context, int32_t action, nsecs_t when, nsecs_t readTime,
+        int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
+        int32_t lastButtonState, int32_t currentButtonState) {
+    std::list<NotifyArgs> out;
+    out += synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId,
+                               policyFlags, lastButtonState, currentButtonState,
+                               AMOTION_EVENT_BUTTON_BACK, AKEYCODE_BACK);
+    out += synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId,
+                               policyFlags, lastButtonState, currentButtonState,
+                               AMOTION_EVENT_BUTTON_FORWARD, AKEYCODE_FORWARD);
+    return out;
+}
+
+std::tuple<nsecs_t /*eventTime*/, nsecs_t /*readTime*/> applyBluetoothTimestampSmoothening(
+        const InputDeviceIdentifier& identifier, nsecs_t currentEventTime, nsecs_t readTime,
+        nsecs_t lastEventTime) {
+    if (identifier.bus != BUS_BLUETOOTH) {
+        return {currentEventTime, readTime};
+    }
+
+    // Assume the fastest rate at which a Bluetooth touch device can report input events is one
+    // every 4 milliseconds, or 250 Hz. Timestamps for successive events from a Bluetooth device
+    // will be separated by at least this amount.
+    constexpr static nsecs_t MIN_BLUETOOTH_TIMESTAMP_DELTA = ms2ns(4);
+    // We define a maximum smoothing time delta so that we don't generate events too far into the
+    // future.
+    constexpr static nsecs_t MAX_BLUETOOTH_SMOOTHING_DELTA = ms2ns(32);
+    const nsecs_t smoothenedEventTime =
+            std::min(std::max(currentEventTime, lastEventTime + MIN_BLUETOOTH_TIMESTAMP_DELTA),
+                     currentEventTime + MAX_BLUETOOTH_SMOOTHING_DELTA);
+    // If we are modifying the event time, treat this event as a synthetically generated event for
+    // latency tracking purposes and use the event time as the read time (zero read latency).
+    const nsecs_t smoothenedReadTime =
+            smoothenedEventTime != currentEventTime ? currentEventTime : readTime;
+    return {smoothenedEventTime, smoothenedReadTime};
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
index 31a3d2e172..3023e686c2 100644
--- a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
+++ b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
-#define _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
+#pragma once
 
 #include <input/DisplayViewport.h>
 #include <stdint.h>
+#include <ui/Rotation.h>
 
 #include "EventHub.h"
 #include "InputListener.h"
@@ -26,78 +26,30 @@
 
 namespace android {
 
-// --- Static Definitions ---
+ui::Rotation getInverseRotation(ui::Rotation orientation);
 
-static int32_t getInverseRotation(int32_t orientation) {
-    switch (orientation) {
-        case DISPLAY_ORIENTATION_90:
-            return DISPLAY_ORIENTATION_270;
-        case DISPLAY_ORIENTATION_270:
-            return DISPLAY_ORIENTATION_90;
-        default:
-            return orientation;
-    }
-}
-
-static void rotateDelta(int32_t orientation, float* deltaX, float* deltaY) {
-    float temp;
-    switch (orientation) {
-        case DISPLAY_ORIENTATION_90:
-            temp = *deltaX;
-            *deltaX = *deltaY;
-            *deltaY = -temp;
-            break;
-
-        case DISPLAY_ORIENTATION_180:
-            *deltaX = -*deltaX;
-            *deltaY = -*deltaY;
-            break;
-
-        case DISPLAY_ORIENTATION_270:
-            temp = *deltaX;
-            *deltaX = -*deltaY;
-            *deltaY = temp;
-            break;
-
-        default:
-            break;
-    }
-}
+void rotateDelta(ui::Rotation orientation, float* deltaX, float* deltaY);
 
 // Returns true if the pointer should be reported as being down given the specified
 // button states.  This determines whether the event is reported as a touch event.
-static bool isPointerDown(int32_t buttonState) {
-    return buttonState &
-            (AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY |
-             AMOTION_EVENT_BUTTON_TERTIARY);
-}
-
-static void synthesizeButtonKey(InputReaderContext* context, int32_t action, nsecs_t when,
-                                nsecs_t readTime, int32_t deviceId, uint32_t source,
-                                int32_t displayId, uint32_t policyFlags, int32_t lastButtonState,
-                                int32_t currentButtonState, int32_t buttonState, int32_t keyCode) {
-    if ((action == AKEY_EVENT_ACTION_DOWN && !(lastButtonState & buttonState) &&
-         (currentButtonState & buttonState)) ||
-        (action == AKEY_EVENT_ACTION_UP && (lastButtonState & buttonState) &&
-         !(currentButtonState & buttonState))) {
-        NotifyKeyArgs args(context->getNextId(), when, readTime, deviceId, source, displayId,
-                           policyFlags, action, 0, keyCode, 0, context->getGlobalMetaState(), when);
-        context->getListener().notifyKey(&args);
-    }
-}
-
-static void synthesizeButtonKeys(InputReaderContext* context, int32_t action, nsecs_t when,
-                                 nsecs_t readTime, int32_t deviceId, uint32_t source,
-                                 int32_t displayId, uint32_t policyFlags, int32_t lastButtonState,
-                                 int32_t currentButtonState) {
-    synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId, policyFlags,
-                        lastButtonState, currentButtonState, AMOTION_EVENT_BUTTON_BACK,
-                        AKEYCODE_BACK);
-    synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId, policyFlags,
-                        lastButtonState, currentButtonState, AMOTION_EVENT_BUTTON_FORWARD,
-                        AKEYCODE_FORWARD);
-}
+bool isPointerDown(int32_t buttonState);
+
+[[nodiscard]] std::list<NotifyArgs> synthesizeButtonKeys(
+        InputReaderContext* context, int32_t action, nsecs_t when, nsecs_t readTime,
+        int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
+        int32_t lastButtonState, int32_t currentButtonState);
+
+// For devices connected over Bluetooth, although they may produce events at a consistent rate,
+// the events might end up reaching Android in a "batched" manner through the Bluetooth
+// stack, where a few events may be clumped together and processed around the same time.
+// In this case, if the input device or its driver does not send or process the actual event
+// generation timestamps, the event time will set to whenever the kernel received the event.
+// When the timestamp deltas are minuscule for these batched events, any changes in x or y
+// coordinates result in extremely large instantaneous velocities, which can negatively impact
+// user experience. To avoid this, we augment the timestamps so that subsequent event timestamps
+// differ by at least a minimum delta value.
+std::tuple<nsecs_t /*eventTime*/, nsecs_t /*readTime*/> applyBluetoothTimestampSmoothening(
+        const InputDeviceIdentifier& identifier, nsecs_t currentEventTime, nsecs_t readTime,
+        nsecs_t lastEventTime);
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index ed3b0eccf0..cefc44ef7a 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -21,31 +21,41 @@
 #include "TouchInputMapper.h"
 
 #include <ftl/enum.h>
+#include <input/PrintTools.h>
 
 #include "CursorButtonAccumulator.h"
 #include "CursorScrollAccumulator.h"
 #include "TouchButtonAccumulator.h"
 #include "TouchCursorInputMapperCommon.h"
+#include "ui/Rotation.h"
 
 namespace android {
 
 // --- Constants ---
 
-// Maximum amount of latency to add to touch events while waiting for data from an
-// external stylus.
-static constexpr nsecs_t EXTERNAL_STYLUS_DATA_TIMEOUT = ms2ns(72);
-
-// Maximum amount of time to wait on touch data before pushing out new pressure data.
-static constexpr nsecs_t TOUCH_DATA_TIMEOUT = ms2ns(20);
-
 // Artificial latency on synthetic events created from stylus data without corresponding touch
 // data.
 static constexpr nsecs_t STYLUS_DATA_LATENCY = ms2ns(10);
 
+// Minimum width between two pointers to determine a gesture as freeform gesture in mm
+static const float MIN_FREEFORM_GESTURE_WIDTH_IN_MILLIMETER = 30;
 // --- Static Definitions ---
 
 static const DisplayViewport kUninitializedViewport;
 
+static std::string toString(const Rect& rect) {
+    return base::StringPrintf("Rect{%d, %d, %d, %d}", rect.left, rect.top, rect.right, rect.bottom);
+}
+
+static std::string toString(const ui::Size& size) {
+    return base::StringPrintf("%dx%d", size.width, size.height);
+}
+
+static bool isPointInRect(const Rect& rect, int32_t x, int32_t y) {
+    // Consider all four sides as "inclusive".
+    return x >= rect.left && x <= rect.right && y >= rect.top && y <= rect.bottom;
+}
+
 template <typename T>
 inline static void swap(T& a, T& b) {
     T temp = a;
@@ -71,53 +81,33 @@ inline static int32_t signExtendNybble(int32_t value) {
     return value >= 8 ? value - 16 : value;
 }
 
-// --- RawPointerAxes ---
-
-RawPointerAxes::RawPointerAxes() {
-    clear();
-}
-
-void RawPointerAxes::clear() {
-    x.clear();
-    y.clear();
-    pressure.clear();
-    touchMajor.clear();
-    touchMinor.clear();
-    toolMajor.clear();
-    toolMinor.clear();
-    orientation.clear();
-    distance.clear();
-    tiltX.clear();
-    tiltY.clear();
-    trackingId.clear();
-    slot.clear();
-}
-
-// --- RawPointerData ---
-
-RawPointerData::RawPointerData() {
-    clear();
-}
-
-void RawPointerData::clear() {
-    pointerCount = 0;
-    clearIdBits();
-}
+static std::tuple<ui::Size /*displayBounds*/, Rect /*physicalFrame*/> getNaturalDisplayInfo(
+        const DisplayViewport& viewport, ui::Rotation naturalOrientation) {
+    ui::Size rotatedDisplaySize{viewport.deviceWidth, viewport.deviceHeight};
+    if (naturalOrientation == ui::ROTATION_90 || naturalOrientation == ui::ROTATION_270) {
+        std::swap(rotatedDisplaySize.width, rotatedDisplaySize.height);
+    }
 
-void RawPointerData::copyFrom(const RawPointerData& other) {
-    pointerCount = other.pointerCount;
-    hoveringIdBits = other.hoveringIdBits;
-    touchingIdBits = other.touchingIdBits;
-    canceledIdBits = other.canceledIdBits;
+    ui::Transform rotate(ui::Transform::toRotationFlags(naturalOrientation),
+                         rotatedDisplaySize.width, rotatedDisplaySize.height);
 
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        pointers[i] = other.pointers[i];
+    Rect physicalFrame{viewport.physicalLeft, viewport.physicalTop, viewport.physicalRight,
+                       viewport.physicalBottom};
+    physicalFrame = rotate.transform(physicalFrame);
 
-        int id = pointers[i].id;
-        idToIndex[id] = other.idToIndex[id];
+    LOG_ALWAYS_FATAL_IF(!physicalFrame.isValid());
+    if (physicalFrame.isEmpty()) {
+        ALOGE("Viewport is not set properly: %s", viewport.toString().c_str());
+        physicalFrame.right =
+                physicalFrame.left + (physicalFrame.width() == 0 ? 1 : physicalFrame.width());
+        physicalFrame.bottom =
+                physicalFrame.top + (physicalFrame.height() == 0 ? 1 : physicalFrame.height());
     }
+    return {rotatedDisplaySize, physicalFrame};
 }
 
+// --- RawPointerData ---
+
 void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) const {
     float x = 0, y = 0;
     uint32_t count = touchingIdBits.count();
@@ -135,48 +125,14 @@ void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) con
     *outY = y;
 }
 
-// --- CookedPointerData ---
-
-CookedPointerData::CookedPointerData() {
-    clear();
-}
-
-void CookedPointerData::clear() {
-    pointerCount = 0;
-    hoveringIdBits.clear();
-    touchingIdBits.clear();
-    canceledIdBits.clear();
-    validIdBits.clear();
-}
-
-void CookedPointerData::copyFrom(const CookedPointerData& other) {
-    pointerCount = other.pointerCount;
-    hoveringIdBits = other.hoveringIdBits;
-    touchingIdBits = other.touchingIdBits;
-    validIdBits = other.validIdBits;
-
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        pointerProperties[i].copyFrom(other.pointerProperties[i]);
-        pointerCoords[i].copyFrom(other.pointerCoords[i]);
-
-        int id = pointerProperties[i].id;
-        idToIndex[id] = other.idToIndex[id];
-    }
-}
-
 // --- TouchInputMapper ---
 
 TouchInputMapper::TouchInputMapper(InputDeviceContext& deviceContext)
       : InputMapper(deviceContext),
+        mTouchButtonAccumulator(deviceContext),
         mSource(0),
         mDeviceMode(DeviceMode::DISABLED),
-        mDisplayWidth(-1),
-        mDisplayHeight(-1),
-        mPhysicalWidth(-1),
-        mPhysicalHeight(-1),
-        mPhysicalLeft(0),
-        mPhysicalTop(0),
-        mInputDeviceOrientation(DISPLAY_ORIENTATION_0) {}
+        mInputDeviceOrientation(ui::ROTATION_0) {}
 
 TouchInputMapper::~TouchInputMapper() {}
 
@@ -187,73 +143,74 @@ uint32_t TouchInputMapper::getSources() const {
 void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
     InputMapper::populateDeviceInfo(info);
 
-    if (mDeviceMode != DeviceMode::DISABLED) {
-        info->addMotionRange(mOrientedRanges.x);
-        info->addMotionRange(mOrientedRanges.y);
-        info->addMotionRange(mOrientedRanges.pressure);
+    if (mDeviceMode == DeviceMode::DISABLED) {
+        return;
+    }
 
-        if (mDeviceMode == DeviceMode::UNSCALED && mSource == AINPUT_SOURCE_TOUCHPAD) {
-            // Populate RELATIVE_X and RELATIVE_Y motion ranges for touchpad capture mode.
-            //
-            // RELATIVE_X and RELATIVE_Y motion ranges should be the largest possible relative
-            // motion, i.e. the hardware dimensions, as the finger could move completely across the
-            // touchpad in one sample cycle.
-            const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
-            const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
-            info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_X, mSource, -x.max, x.max, x.flat,
-                                 x.fuzz, x.resolution);
-            info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_Y, mSource, -y.max, y.max, y.flat,
-                                 y.fuzz, y.resolution);
-        }
+    info->addMotionRange(mOrientedRanges.x);
+    info->addMotionRange(mOrientedRanges.y);
+    info->addMotionRange(mOrientedRanges.pressure);
 
-        if (mOrientedRanges.haveSize) {
-            info->addMotionRange(mOrientedRanges.size);
-        }
+    if (mDeviceMode == DeviceMode::UNSCALED && mSource == AINPUT_SOURCE_TOUCHPAD) {
+        // Populate RELATIVE_X and RELATIVE_Y motion ranges for touchpad capture mode.
+        //
+        // RELATIVE_X and RELATIVE_Y motion ranges should be the largest possible relative
+        // motion, i.e. the hardware dimensions, as the finger could move completely across the
+        // touchpad in one sample cycle.
+        const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
+        const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
+        info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_X, mSource, -x.max, x.max, x.flat, x.fuzz,
+                             x.resolution);
+        info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_Y, mSource, -y.max, y.max, y.flat, y.fuzz,
+                             y.resolution);
+    }
 
-        if (mOrientedRanges.haveTouchSize) {
-            info->addMotionRange(mOrientedRanges.touchMajor);
-            info->addMotionRange(mOrientedRanges.touchMinor);
-        }
+    if (mOrientedRanges.size) {
+        info->addMotionRange(*mOrientedRanges.size);
+    }
 
-        if (mOrientedRanges.haveToolSize) {
-            info->addMotionRange(mOrientedRanges.toolMajor);
-            info->addMotionRange(mOrientedRanges.toolMinor);
-        }
+    if (mOrientedRanges.touchMajor) {
+        info->addMotionRange(*mOrientedRanges.touchMajor);
+        info->addMotionRange(*mOrientedRanges.touchMinor);
+    }
 
-        if (mOrientedRanges.haveOrientation) {
-            info->addMotionRange(mOrientedRanges.orientation);
-        }
+    if (mOrientedRanges.toolMajor) {
+        info->addMotionRange(*mOrientedRanges.toolMajor);
+        info->addMotionRange(*mOrientedRanges.toolMinor);
+    }
 
-        if (mOrientedRanges.haveDistance) {
-            info->addMotionRange(mOrientedRanges.distance);
-        }
+    if (mOrientedRanges.orientation) {
+        info->addMotionRange(*mOrientedRanges.orientation);
+    }
 
-        if (mOrientedRanges.haveTilt) {
-            info->addMotionRange(mOrientedRanges.tilt);
-        }
+    if (mOrientedRanges.distance) {
+        info->addMotionRange(*mOrientedRanges.distance);
+    }
 
-        if (mCursorScrollAccumulator.haveRelativeVWheel()) {
-            info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
-                                 0.0f);
-        }
-        if (mCursorScrollAccumulator.haveRelativeHWheel()) {
-            info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
-                                 0.0f);
-        }
-        if (mCalibration.coverageCalibration == Calibration::CoverageCalibration::BOX) {
-            const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
-            const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
-            info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat,
-                                 x.fuzz, x.resolution);
-            info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat,
-                                 y.fuzz, y.resolution);
-            info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat,
-                                 x.fuzz, x.resolution);
-            info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat,
-                                 y.fuzz, y.resolution);
-        }
-        info->setButtonUnderPad(mParameters.hasButtonUnderPad);
+    if (mOrientedRanges.tilt) {
+        info->addMotionRange(*mOrientedRanges.tilt);
+    }
+
+    if (mCursorScrollAccumulator.haveRelativeVWheel()) {
+        info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
+    }
+    if (mCursorScrollAccumulator.haveRelativeHWheel()) {
+        info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
     }
+    if (mCalibration.coverageCalibration == Calibration::CoverageCalibration::BOX) {
+        const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
+        const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
+        info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat, x.fuzz,
+                             x.resolution);
+        info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat, y.fuzz,
+                             y.resolution);
+        info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat, x.fuzz,
+                             x.resolution);
+        info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat, y.fuzz,
+                             y.resolution);
+    }
+    info->setButtonUnderPad(mParameters.hasButtonUnderPad);
+    info->setSupportsUsi(mParameters.supportsUsi);
 }
 
 void TouchInputMapper::dump(std::string& dump) {
@@ -328,9 +285,12 @@ void TouchInputMapper::dump(std::string& dump) {
     dump += INDENT3 "Stylus Fusion:\n";
     dump += StringPrintf(INDENT4 "ExternalStylusConnected: %s\n",
                          toString(mExternalStylusConnected));
-    dump += StringPrintf(INDENT4 "External Stylus ID: %" PRId64 "\n", mExternalStylusId);
+    dump += StringPrintf(INDENT4 "Fused External Stylus Pointer ID: %s\n",
+                         toString(mFusedStylusPointerId).c_str());
     dump += StringPrintf(INDENT4 "External Stylus Data Timeout: %" PRId64 "\n",
                          mExternalStylusFusionTimeout);
+    dump += StringPrintf(INDENT4 " External Stylus Buttons Applied: 0x%08x",
+                         mExternalStylusButtonsApplied);
     dump += INDENT3 "External Stylus State:\n";
     dumpStylusState(dump, mExternalStylusState);
 
@@ -344,9 +304,10 @@ void TouchInputMapper::dump(std::string& dump) {
     }
 }
 
-void TouchInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                 uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> TouchInputMapper::configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     mConfig = *config;
 
@@ -356,7 +317,7 @@ void TouchInputMapper::configure(nsecs_t when, const InputReaderConfiguration* c
 
         // Configure common accumulators.
         mCursorScrollAccumulator.configure(getDeviceContext());
-        mTouchButtonAccumulator.configure(getDeviceContext());
+        mTouchButtonAccumulator.configure();
 
         // Configure absolute axis information.
         configureRawPointerAxes();
@@ -392,15 +353,13 @@ void TouchInputMapper::configure(nsecs_t when, const InputReaderConfiguration* c
     }
 
     if (changes && resetNeeded) {
-        // If the device needs to be reset, cancel any ongoing gestures and reset the state.
-        cancelTouch(when, when);
-        reset(when);
+        out += reset(when);
 
         // Send reset, unless this is the first time the device has been configured,
         // in which case the reader will call reset itself after all mappers are ready.
-        NotifyDeviceResetArgs args(getContext()->getNextId(), when, getDeviceId());
-        getListener().notifyDeviceReset(&args);
+        out.emplace_back(NotifyDeviceResetArgs(getContext()->getNextId(), when, getDeviceId()));
     }
+    return out;
 }
 
 void TouchInputMapper::resolveExternalStylusPresence() {
@@ -421,15 +380,15 @@ void TouchInputMapper::configureParameters() {
             ? Parameters::GestureMode::SINGLE_TOUCH
             : Parameters::GestureMode::MULTI_TOUCH;
 
-    String8 gestureModeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.gestureMode"),
+    std::string gestureModeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.gestureMode",
                                                              gestureModeString)) {
         if (gestureModeString == "single-touch") {
             mParameters.gestureMode = Parameters::GestureMode::SINGLE_TOUCH;
         } else if (gestureModeString == "multi-touch") {
             mParameters.gestureMode = Parameters::GestureMode::MULTI_TOUCH;
         } else if (gestureModeString != "default") {
-            ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string());
+            ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.c_str());
         }
     }
 
@@ -439,11 +398,6 @@ void TouchInputMapper::configureParameters() {
     } else if (getDeviceContext().hasInputProperty(INPUT_PROP_POINTER)) {
         // The device is a pointing device like a track pad.
         mParameters.deviceType = Parameters::DeviceType::POINTER;
-    } else if (getDeviceContext().hasRelativeAxis(REL_X) ||
-               getDeviceContext().hasRelativeAxis(REL_Y)) {
-        // The device is a cursor device with a touch pad attached.
-        // By default don't use the touch pad to move the pointer.
-        mParameters.deviceType = Parameters::DeviceType::TOUCH_PAD;
     } else {
         // The device is a touch pad of unknown purpose.
         mParameters.deviceType = Parameters::DeviceType::POINTER;
@@ -451,40 +405,38 @@ void TouchInputMapper::configureParameters() {
 
     mParameters.hasButtonUnderPad = getDeviceContext().hasInputProperty(INPUT_PROP_BUTTONPAD);
 
-    String8 deviceTypeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.deviceType"),
+    std::string deviceTypeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.deviceType",
                                                              deviceTypeString)) {
         if (deviceTypeString == "touchScreen") {
             mParameters.deviceType = Parameters::DeviceType::TOUCH_SCREEN;
-        } else if (deviceTypeString == "touchPad") {
-            mParameters.deviceType = Parameters::DeviceType::TOUCH_PAD;
         } else if (deviceTypeString == "touchNavigation") {
             mParameters.deviceType = Parameters::DeviceType::TOUCH_NAVIGATION;
         } else if (deviceTypeString == "pointer") {
             mParameters.deviceType = Parameters::DeviceType::POINTER;
         } else if (deviceTypeString != "default") {
-            ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
+            ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.c_str());
         }
     }
 
     mParameters.orientationAware = mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN;
-    getDeviceContext().getConfiguration().tryGetProperty(String8("touch.orientationAware"),
+    getDeviceContext().getConfiguration().tryGetProperty("touch.orientationAware",
                                                          mParameters.orientationAware);
 
-    mParameters.orientation = Parameters::Orientation::ORIENTATION_0;
-    String8 orientationString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.orientation"),
+    mParameters.orientation = ui::ROTATION_0;
+    std::string orientationString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.orientation",
                                                              orientationString)) {
         if (mParameters.deviceType != Parameters::DeviceType::TOUCH_SCREEN) {
             ALOGW("The configuration 'touch.orientation' is only supported for touchscreens.");
         } else if (orientationString == "ORIENTATION_90") {
-            mParameters.orientation = Parameters::Orientation::ORIENTATION_90;
+            mParameters.orientation = ui::ROTATION_90;
         } else if (orientationString == "ORIENTATION_180") {
-            mParameters.orientation = Parameters::Orientation::ORIENTATION_180;
+            mParameters.orientation = ui::ROTATION_180;
         } else if (orientationString == "ORIENTATION_270") {
-            mParameters.orientation = Parameters::Orientation::ORIENTATION_270;
+            mParameters.orientation = ui::ROTATION_270;
         } else if (orientationString != "ORIENTATION_0") {
-            ALOGW("Invalid value for touch.orientation: '%s'", orientationString.string());
+            ALOGW("Invalid value for touch.orientation: '%s'", orientationString.c_str());
         }
     }
 
@@ -496,8 +448,8 @@ void TouchInputMapper::configureParameters() {
         mParameters.hasAssociatedDisplay = true;
         if (mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN) {
             mParameters.associatedDisplayIsExternal = getDeviceContext().isExternal();
-            String8 uniqueDisplayId;
-            getDeviceContext().getConfiguration().tryGetProperty(String8("touch.displayId"),
+            std::string uniqueDisplayId;
+            getDeviceContext().getConfiguration().tryGetProperty("touch.displayId",
                                                                  uniqueDisplayId);
             mParameters.uniqueDisplayId = uniqueDisplayId.c_str();
         }
@@ -510,7 +462,15 @@ void TouchInputMapper::configureParameters() {
     // Normally we don't do this for internal touch screens to prevent them from waking
     // up in your pocket but you can enable it using the input device configuration.
     mParameters.wake = getDeviceContext().isExternal();
-    getDeviceContext().getConfiguration().tryGetProperty(String8("touch.wake"), mParameters.wake);
+    getDeviceContext().getConfiguration().tryGetProperty("touch.wake", mParameters.wake);
+
+    mParameters.supportsUsi = false;
+    getDeviceContext().getConfiguration().tryGetProperty("touch.supportsUsi",
+                                                         mParameters.supportsUsi);
+
+    mParameters.enableForInactiveViewport = false;
+    getDeviceContext().getConfiguration().tryGetProperty("touch.enableForInactiveViewport",
+                                                         mParameters.enableForInactiveViewport);
 }
 
 void TouchInputMapper::dumpParameters(std::string& dump) {
@@ -527,6 +487,9 @@ void TouchInputMapper::dumpParameters(std::string& dump) {
                          mParameters.uniqueDisplayId.c_str());
     dump += StringPrintf(INDENT4 "OrientationAware: %s\n", toString(mParameters.orientationAware));
     dump += INDENT4 "Orientation: " + ftl::enum_string(mParameters.orientation) + "\n";
+    dump += StringPrintf(INDENT4 "SupportsUsi: %s\n", toString(mParameters.supportsUsi));
+    dump += StringPrintf(INDENT4 "EnableForInactiveViewport: %s\n",
+                         toString(mParameters.enableForInactiveViewport));
 }
 
 void TouchInputMapper::configureRawPointerAxes() {
@@ -634,7 +597,7 @@ void TouchInputMapper::initializeSizeRanges() {
     }
 
     // Size of diagonal axis.
-    const float diagonalSize = hypotf(mDisplayWidth, mDisplayHeight);
+    const float diagonalSize = hypotf(mDisplayBounds.width, mDisplayBounds.height);
 
     // Size factors.
     if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.touchMajor.maxValue != 0) {
@@ -645,57 +608,58 @@ void TouchInputMapper::initializeSizeRanges() {
         mSizeScale = 0.0f;
     }
 
-    mOrientedRanges.haveTouchSize = true;
-    mOrientedRanges.haveToolSize = true;
-    mOrientedRanges.haveSize = true;
+    mOrientedRanges.touchMajor = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR,
+            .source = mSource,
+            .min = 0,
+            .max = diagonalSize,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 
-    mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR;
-    mOrientedRanges.touchMajor.source = mSource;
-    mOrientedRanges.touchMajor.min = 0;
-    mOrientedRanges.touchMajor.max = diagonalSize;
-    mOrientedRanges.touchMajor.flat = 0;
-    mOrientedRanges.touchMajor.fuzz = 0;
-    mOrientedRanges.touchMajor.resolution = 0;
     if (mRawPointerAxes.touchMajor.valid) {
         mRawPointerAxes.touchMajor.resolution =
                 clampResolution("touchMajor", mRawPointerAxes.touchMajor.resolution);
-        mOrientedRanges.touchMajor.resolution = mRawPointerAxes.touchMajor.resolution;
+        mOrientedRanges.touchMajor->resolution = mRawPointerAxes.touchMajor.resolution;
     }
 
     mOrientedRanges.touchMinor = mOrientedRanges.touchMajor;
-    mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
+    mOrientedRanges.touchMinor->axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
     if (mRawPointerAxes.touchMinor.valid) {
         mRawPointerAxes.touchMinor.resolution =
                 clampResolution("touchMinor", mRawPointerAxes.touchMinor.resolution);
-        mOrientedRanges.touchMinor.resolution = mRawPointerAxes.touchMinor.resolution;
-    }
-
-    mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR;
-    mOrientedRanges.toolMajor.source = mSource;
-    mOrientedRanges.toolMajor.min = 0;
-    mOrientedRanges.toolMajor.max = diagonalSize;
-    mOrientedRanges.toolMajor.flat = 0;
-    mOrientedRanges.toolMajor.fuzz = 0;
-    mOrientedRanges.toolMajor.resolution = 0;
+        mOrientedRanges.touchMinor->resolution = mRawPointerAxes.touchMinor.resolution;
+    }
+
+    mOrientedRanges.toolMajor = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_TOOL_MAJOR,
+            .source = mSource,
+            .min = 0,
+            .max = diagonalSize,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
     if (mRawPointerAxes.toolMajor.valid) {
         mRawPointerAxes.toolMajor.resolution =
                 clampResolution("toolMajor", mRawPointerAxes.toolMajor.resolution);
-        mOrientedRanges.toolMajor.resolution = mRawPointerAxes.toolMajor.resolution;
+        mOrientedRanges.toolMajor->resolution = mRawPointerAxes.toolMajor.resolution;
     }
 
     mOrientedRanges.toolMinor = mOrientedRanges.toolMajor;
-    mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
+    mOrientedRanges.toolMinor->axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
     if (mRawPointerAxes.toolMinor.valid) {
         mRawPointerAxes.toolMinor.resolution =
                 clampResolution("toolMinor", mRawPointerAxes.toolMinor.resolution);
-        mOrientedRanges.toolMinor.resolution = mRawPointerAxes.toolMinor.resolution;
+        mOrientedRanges.toolMinor->resolution = mRawPointerAxes.toolMinor.resolution;
     }
 
     if (mCalibration.sizeCalibration == Calibration::SizeCalibration::GEOMETRIC) {
-        mOrientedRanges.touchMajor.resolution *= mGeometricScale;
-        mOrientedRanges.touchMinor.resolution *= mGeometricScale;
-        mOrientedRanges.toolMajor.resolution *= mGeometricScale;
-        mOrientedRanges.toolMinor.resolution *= mGeometricScale;
+        mOrientedRanges.touchMajor->resolution *= mGeometricScale;
+        mOrientedRanges.touchMinor->resolution *= mGeometricScale;
+        mOrientedRanges.toolMajor->resolution *= mGeometricScale;
+        mOrientedRanges.toolMinor->resolution *= mGeometricScale;
     } else {
         // Support for other calibrations can be added here.
         ALOGW("%s calibration is not supported for size ranges at the moment. "
@@ -703,19 +667,21 @@ void TouchInputMapper::initializeSizeRanges() {
               ftl::enum_string(mCalibration.sizeCalibration).c_str());
     }
 
-    mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE;
-    mOrientedRanges.size.source = mSource;
-    mOrientedRanges.size.min = 0;
-    mOrientedRanges.size.max = 1.0;
-    mOrientedRanges.size.flat = 0;
-    mOrientedRanges.size.fuzz = 0;
-    mOrientedRanges.size.resolution = 0;
+    mOrientedRanges.size = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_SIZE,
+            .source = mSource,
+            .min = 0,
+            .max = 1.0,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 }
 
 void TouchInputMapper::initializeOrientedRanges() {
     // Configure X and Y factors.
-    mXScale = float(mDisplayWidth) / mRawPointerAxes.getRawWidth();
-    mYScale = float(mDisplayHeight) / mRawPointerAxes.getRawHeight();
+    mXScale = float(mDisplayBounds.width) / mRawPointerAxes.getRawWidth();
+    mYScale = float(mDisplayBounds.height) / mRawPointerAxes.getRawHeight();
     mXPrecision = 1.0f / mXScale;
     mYPrecision = 1.0f / mYScale;
 
@@ -736,21 +702,23 @@ void TouchInputMapper::initializeOrientedRanges() {
     float pressureMax = 1.0;
     if (mCalibration.pressureCalibration == Calibration::PressureCalibration::PHYSICAL ||
         mCalibration.pressureCalibration == Calibration::PressureCalibration::AMPLITUDE) {
-        if (mCalibration.havePressureScale) {
-            mPressureScale = mCalibration.pressureScale;
+        if (mCalibration.pressureScale) {
+            mPressureScale = *mCalibration.pressureScale;
             pressureMax = mPressureScale * mRawPointerAxes.pressure.maxValue;
         } else if (mRawPointerAxes.pressure.valid && mRawPointerAxes.pressure.maxValue != 0) {
             mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue;
         }
     }
 
-    mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE;
-    mOrientedRanges.pressure.source = mSource;
-    mOrientedRanges.pressure.min = 0;
-    mOrientedRanges.pressure.max = pressureMax;
-    mOrientedRanges.pressure.flat = 0;
-    mOrientedRanges.pressure.fuzz = 0;
-    mOrientedRanges.pressure.resolution = 0;
+    mOrientedRanges.pressure = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_PRESSURE,
+            .source = mSource,
+            .min = 0,
+            .max = pressureMax,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 
     // Tilt
     mTiltXCenter = 0;
@@ -771,29 +739,30 @@ void TouchInputMapper::initializeOrientedRanges() {
             mTiltYScale = 1.0 / mRawPointerAxes.tiltY.resolution;
         }
 
-        mOrientedRanges.haveTilt = true;
-
-        mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT;
-        mOrientedRanges.tilt.source = mSource;
-        mOrientedRanges.tilt.min = 0;
-        mOrientedRanges.tilt.max = M_PI_2;
-        mOrientedRanges.tilt.flat = 0;
-        mOrientedRanges.tilt.fuzz = 0;
-        mOrientedRanges.tilt.resolution = 0;
+        mOrientedRanges.tilt = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_TILT,
+                .source = mSource,
+                .min = 0,
+                .max = M_PI_2,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
     }
 
     // Orientation
     mOrientationScale = 0;
     if (mHaveTilt) {
-        mOrientedRanges.haveOrientation = true;
-
-        mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
-        mOrientedRanges.orientation.source = mSource;
-        mOrientedRanges.orientation.min = -M_PI;
-        mOrientedRanges.orientation.max = M_PI;
-        mOrientedRanges.orientation.flat = 0;
-        mOrientedRanges.orientation.fuzz = 0;
-        mOrientedRanges.orientation.resolution = 0;
+        mOrientedRanges.orientation = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_ORIENTATION,
+                .source = mSource,
+                .min = -M_PI,
+                .max = M_PI,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
+
     } else if (mCalibration.orientationCalibration != Calibration::OrientationCalibration::NONE) {
         if (mCalibration.orientationCalibration ==
             Calibration::OrientationCalibration::INTERPOLATED) {
@@ -808,56 +777,53 @@ void TouchInputMapper::initializeOrientedRanges() {
             }
         }
 
-        mOrientedRanges.haveOrientation = true;
-
-        mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
-        mOrientedRanges.orientation.source = mSource;
-        mOrientedRanges.orientation.min = -M_PI_2;
-        mOrientedRanges.orientation.max = M_PI_2;
-        mOrientedRanges.orientation.flat = 0;
-        mOrientedRanges.orientation.fuzz = 0;
-        mOrientedRanges.orientation.resolution = 0;
+        mOrientedRanges.orientation = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_ORIENTATION,
+                .source = mSource,
+                .min = -M_PI_2,
+                .max = M_PI_2,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
     }
 
     // Distance
     mDistanceScale = 0;
     if (mCalibration.distanceCalibration != Calibration::DistanceCalibration::NONE) {
         if (mCalibration.distanceCalibration == Calibration::DistanceCalibration::SCALED) {
-            if (mCalibration.haveDistanceScale) {
-                mDistanceScale = mCalibration.distanceScale;
-            } else {
-                mDistanceScale = 1.0f;
-            }
+            mDistanceScale = mCalibration.distanceScale.value_or(1.0f);
         }
 
-        mOrientedRanges.haveDistance = true;
+        mOrientedRanges.distance = InputDeviceInfo::MotionRange{
 
-        mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE;
-        mOrientedRanges.distance.source = mSource;
-        mOrientedRanges.distance.min = mRawPointerAxes.distance.minValue * mDistanceScale;
-        mOrientedRanges.distance.max = mRawPointerAxes.distance.maxValue * mDistanceScale;
-        mOrientedRanges.distance.flat = 0;
-        mOrientedRanges.distance.fuzz = mRawPointerAxes.distance.fuzz * mDistanceScale;
-        mOrientedRanges.distance.resolution = 0;
+                .axis = AMOTION_EVENT_AXIS_DISTANCE,
+                .source = mSource,
+                .min = mRawPointerAxes.distance.minValue * mDistanceScale,
+                .max = mRawPointerAxes.distance.maxValue * mDistanceScale,
+                .flat = 0,
+                .fuzz = mRawPointerAxes.distance.fuzz * mDistanceScale,
+                .resolution = 0,
+        };
     }
 
     // Compute oriented precision, scales and ranges.
     // Note that the maximum value reported is an inclusive maximum value so it is one
     // unit less than the total width or height of the display.
     switch (mInputDeviceOrientation) {
-        case DISPLAY_ORIENTATION_90:
-        case DISPLAY_ORIENTATION_270:
+        case ui::ROTATION_90:
+        case ui::ROTATION_270:
             mOrientedXPrecision = mYPrecision;
             mOrientedYPrecision = mXPrecision;
 
             mOrientedRanges.x.min = 0;
-            mOrientedRanges.x.max = mDisplayHeight - 1;
+            mOrientedRanges.x.max = mDisplayBounds.height - 1;
             mOrientedRanges.x.flat = 0;
             mOrientedRanges.x.fuzz = 0;
             mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale;
 
             mOrientedRanges.y.min = 0;
-            mOrientedRanges.y.max = mDisplayWidth - 1;
+            mOrientedRanges.y.max = mDisplayBounds.width - 1;
             mOrientedRanges.y.flat = 0;
             mOrientedRanges.y.fuzz = 0;
             mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale;
@@ -868,13 +834,13 @@ void TouchInputMapper::initializeOrientedRanges() {
             mOrientedYPrecision = mYPrecision;
 
             mOrientedRanges.x.min = 0;
-            mOrientedRanges.x.max = mDisplayWidth - 1;
+            mOrientedRanges.x.max = mDisplayBounds.width - 1;
             mOrientedRanges.x.flat = 0;
             mOrientedRanges.x.fuzz = 0;
             mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale;
 
             mOrientedRanges.y.min = 0;
-            mOrientedRanges.y.max = mDisplayHeight - 1;
+            mOrientedRanges.y.max = mDisplayBounds.height - 1;
             mOrientedRanges.y.flat = 0;
             mOrientedRanges.y.fuzz = 0;
             mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale;
@@ -894,6 +860,8 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
         mDeviceMode = DeviceMode::POINTER;
         if (hasStylus()) {
             mSource |= AINPUT_SOURCE_STYLUS;
+        } else {
+            mSource |= AINPUT_SOURCE_TOUCHPAD;
         }
     } else if (isTouchScreen()) {
         mSource = AINPUT_SOURCE_TOUCHSCREEN;
@@ -926,15 +894,19 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
               "becomes available.",
               getDeviceName().c_str());
         mDeviceMode = DeviceMode::DISABLED;
-    } else if (!newViewportOpt->isActive) {
+    } else if (!mParameters.enableForInactiveViewport && !newViewportOpt->isActive) {
         ALOGI("Disabling %s (device %i) because the associated viewport is not active",
               getDeviceName().c_str(), getDeviceId());
         mDeviceMode = DeviceMode::DISABLED;
     }
 
     // Raw width and height in the natural orientation.
-    const int32_t rawWidth = mRawPointerAxes.getRawWidth();
-    const int32_t rawHeight = mRawPointerAxes.getRawHeight();
+    const ui::Size rawSize{mRawPointerAxes.getRawWidth(), mRawPointerAxes.getRawHeight()};
+    const int32_t rawXResolution = mRawPointerAxes.x.resolution;
+    const int32_t rawYResolution = mRawPointerAxes.y.resolution;
+    // Calculate the mean resolution when both x and y resolution are set, otherwise set it to 0.
+    const float rawMeanResolution =
+            (rawXResolution > 0 && rawYResolution > 0) ? (rawXResolution + rawYResolution) / 2 : 0;
 
     const DisplayViewport& newViewport = newViewportOpt.value_or(kUninitializedViewport);
     const bool viewportChanged = mViewport != newViewport;
@@ -945,67 +917,16 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
         mViewport = newViewport;
 
         if (mDeviceMode == DeviceMode::DIRECT || mDeviceMode == DeviceMode::POINTER) {
-            // Convert rotated viewport to the natural orientation.
-            int32_t naturalPhysicalWidth, naturalPhysicalHeight;
-            int32_t naturalPhysicalLeft, naturalPhysicalTop;
-            int32_t naturalDeviceWidth, naturalDeviceHeight;
+            const auto oldDisplayBounds = mDisplayBounds;
 
             // Apply the inverse of the input device orientation so that the input device is
             // configured in the same orientation as the viewport. The input device orientation will
             // be re-applied by mInputDeviceOrientation.
-            const int32_t naturalDeviceOrientation =
-                    (mViewport.orientation - static_cast<int32_t>(mParameters.orientation) + 4) % 4;
-            switch (naturalDeviceOrientation) {
-                case DISPLAY_ORIENTATION_90:
-                    naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
-                    naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
-                    naturalPhysicalTop = mViewport.physicalLeft;
-                    naturalDeviceWidth = mViewport.deviceHeight;
-                    naturalDeviceHeight = mViewport.deviceWidth;
-                    break;
-                case DISPLAY_ORIENTATION_180:
-                    naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
-                    naturalPhysicalLeft = mViewport.deviceWidth - mViewport.physicalRight;
-                    naturalPhysicalTop = mViewport.deviceHeight - mViewport.physicalBottom;
-                    naturalDeviceWidth = mViewport.deviceWidth;
-                    naturalDeviceHeight = mViewport.deviceHeight;
-                    break;
-                case DISPLAY_ORIENTATION_270:
-                    naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
-                    naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalLeft = mViewport.physicalTop;
-                    naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
-                    naturalDeviceWidth = mViewport.deviceHeight;
-                    naturalDeviceHeight = mViewport.deviceWidth;
-                    break;
-                case DISPLAY_ORIENTATION_0:
-                default:
-                    naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
-                    naturalPhysicalLeft = mViewport.physicalLeft;
-                    naturalPhysicalTop = mViewport.physicalTop;
-                    naturalDeviceWidth = mViewport.deviceWidth;
-                    naturalDeviceHeight = mViewport.deviceHeight;
-                    break;
-            }
-
-            if (naturalPhysicalHeight == 0 || naturalPhysicalWidth == 0) {
-                ALOGE("Viewport is not set properly: %s", mViewport.toString().c_str());
-                naturalPhysicalHeight = naturalPhysicalHeight == 0 ? 1 : naturalPhysicalHeight;
-                naturalPhysicalWidth = naturalPhysicalWidth == 0 ? 1 : naturalPhysicalWidth;
-            }
-
-            mPhysicalWidth = naturalPhysicalWidth;
-            mPhysicalHeight = naturalPhysicalHeight;
-            mPhysicalLeft = naturalPhysicalLeft;
-            mPhysicalTop = naturalPhysicalTop;
+            const ui::Rotation naturalDeviceOrientation =
+                    mViewport.orientation - mParameters.orientation;
 
-            const int32_t oldDisplayWidth = mDisplayWidth;
-            const int32_t oldDisplayHeight = mDisplayHeight;
-            mDisplayWidth = naturalDeviceWidth;
-            mDisplayHeight = naturalDeviceHeight;
+            std::tie(mDisplayBounds, mPhysicalFrameInDisplay) =
+                    getNaturalDisplayInfo(mViewport, naturalDeviceOrientation);
 
             // InputReader works in the un-rotated display coordinate space, so we don't need to do
             // anything if the device is already orientation-aware. If the device is not
@@ -1013,28 +934,20 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
             // when the display rotation is applied later as a part of the per-window transform, we
             // get the expected screen coordinates.
             mInputDeviceOrientation = mParameters.orientationAware
-                    ? DISPLAY_ORIENTATION_0
+                    ? ui::ROTATION_0
                     : getInverseRotation(mViewport.orientation);
             // For orientation-aware devices that work in the un-rotated coordinate space, the
             // viewport update should be skipped if it is only a change in the orientation.
-            skipViewportUpdate = mParameters.orientationAware && mDisplayWidth == oldDisplayWidth &&
-                    mDisplayHeight == oldDisplayHeight && viewportOrientationChanged;
+            skipViewportUpdate = !viewportDisplayIdChanged && mParameters.orientationAware &&
+                    mDisplayBounds == oldDisplayBounds && viewportOrientationChanged;
 
             // Apply the input device orientation for the device.
-            mInputDeviceOrientation =
-                    (mInputDeviceOrientation + static_cast<int32_t>(mParameters.orientation)) % 4;
+            mInputDeviceOrientation = mInputDeviceOrientation + mParameters.orientation;
         } else {
-            mPhysicalWidth = rawWidth;
-            mPhysicalHeight = rawHeight;
-            mPhysicalLeft = 0;
-            mPhysicalTop = 0;
-
-            mDisplayWidth = rawWidth;
-            mDisplayHeight = rawHeight;
-            mInputDeviceOrientation = DISPLAY_ORIENTATION_0;
+            mDisplayBounds = rawSize;
+            mPhysicalFrameInDisplay = Rect{mDisplayBounds};
+            mInputDeviceOrientation = ui::ROTATION_0;
         }
-        // If displayId changed, do not skip viewport update.
-        skipViewportUpdate &= !viewportDisplayIdChanged;
     }
 
     // If moving between pointer modes, need to reset some state.
@@ -1064,9 +977,9 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
     }
 
     if ((viewportChanged && !skipViewportUpdate) || deviceModeChanged) {
-        ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, "
+        ALOGI("Device reconfigured: id=%d, name='%s', size %s, orientation %d, mode %d, "
               "display id %d",
-              getDeviceId(), getDeviceName().c_str(), mDisplayWidth, mDisplayHeight,
+              getDeviceId(), getDeviceName().c_str(), toString(mDisplayBounds).c_str(),
               mInputDeviceOrientation, mDeviceMode, mViewport.displayId);
 
         configureVirtualKeys();
@@ -1078,8 +991,8 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
 
         if (mDeviceMode == DeviceMode::POINTER) {
             // Compute pointer gesture detection parameters.
-            float rawDiagonal = hypotf(rawWidth, rawHeight);
-            float displayDiagonal = hypotf(mDisplayWidth, mDisplayHeight);
+            float rawDiagonal = hypotf(rawSize.width, rawSize.height);
+            float displayDiagonal = hypotf(mDisplayBounds.width, mDisplayBounds.height);
 
             // Scale movements such that one whole swipe of the touch pad covers a
             // given area relative to the diagonal size of the display when no acceleration
@@ -1097,10 +1010,14 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
                     mConfig.pointerGestureZoomSpeedRatio * displayDiagonal / rawDiagonal;
             mPointerYZoomScale = mPointerXZoomScale;
 
-            // Max width between pointers to detect a swipe gesture is more than some fraction
-            // of the diagonal axis of the touch pad.  Touches that are wider than this are
-            // translated into freeform gestures.
-            mPointerGestureMaxSwipeWidth = mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal;
+            // Calculate the min freeform gesture width. It will be 0 when the resolution of any
+            // axis is non positive value.
+            const float minFreeformGestureWidth =
+                    rawMeanResolution * MIN_FREEFORM_GESTURE_WIDTH_IN_MILLIMETER;
+
+            mPointerGestureMaxSwipeWidth =
+                    std::max(mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal,
+                             minFreeformGestureWidth);
         }
 
         // Inform the dispatcher about the changes.
@@ -1111,12 +1028,8 @@ void TouchInputMapper::configureInputDevice(nsecs_t when, bool* outResetNeeded)
 
 void TouchInputMapper::dumpDisplay(std::string& dump) {
     dump += StringPrintf(INDENT3 "%s\n", mViewport.toString().c_str());
-    dump += StringPrintf(INDENT3 "DisplayWidth: %dpx\n", mDisplayWidth);
-    dump += StringPrintf(INDENT3 "DisplayHeight: %dpx\n", mDisplayHeight);
-    dump += StringPrintf(INDENT3 "PhysicalWidth: %dpx\n", mPhysicalWidth);
-    dump += StringPrintf(INDENT3 "PhysicalHeight: %dpx\n", mPhysicalHeight);
-    dump += StringPrintf(INDENT3 "PhysicalLeft: %d\n", mPhysicalLeft);
-    dump += StringPrintf(INDENT3 "PhysicalTop: %d\n", mPhysicalTop);
+    dump += StringPrintf(INDENT3 "DisplayBounds: %s\n", toString(mDisplayBounds).c_str());
+    dump += StringPrintf(INDENT3 "PhysicalFrame: %s\n", toString(mPhysicalFrameInDisplay).c_str());
     dump += StringPrintf(INDENT3 "InputDeviceOrientation: %d\n", mInputDeviceOrientation);
 }
 
@@ -1155,17 +1068,17 @@ void TouchInputMapper::configureVirtualKeys() {
         int32_t halfWidth = virtualKeyDefinition.width / 2;
         int32_t halfHeight = virtualKeyDefinition.height / 2;
 
-        virtualKey.hitLeft =
-                (virtualKeyDefinition.centerX - halfWidth) * touchScreenWidth / mDisplayWidth +
+        virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth) * touchScreenWidth /
+                        mDisplayBounds.width +
                 touchScreenLeft;
-        virtualKey.hitRight =
-                (virtualKeyDefinition.centerX + halfWidth) * touchScreenWidth / mDisplayWidth +
+        virtualKey.hitRight = (virtualKeyDefinition.centerX + halfWidth) * touchScreenWidth /
+                        mDisplayBounds.width +
                 touchScreenLeft;
-        virtualKey.hitTop =
-                (virtualKeyDefinition.centerY - halfHeight) * touchScreenHeight / mDisplayHeight +
+        virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight) * touchScreenHeight /
+                        mDisplayBounds.height +
                 touchScreenTop;
-        virtualKey.hitBottom =
-                (virtualKeyDefinition.centerY + halfHeight) * touchScreenHeight / mDisplayHeight +
+        virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight) * touchScreenHeight /
+                        mDisplayBounds.height +
                 touchScreenTop;
         mVirtualKeys.push_back(virtualKey);
     }
@@ -1191,8 +1104,8 @@ void TouchInputMapper::parseCalibration() {
 
     // Size
     out.sizeCalibration = Calibration::SizeCalibration::DEFAULT;
-    String8 sizeCalibrationString;
-    if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
+    std::string sizeCalibrationString;
+    if (in.tryGetProperty("touch.size.calibration", sizeCalibrationString)) {
         if (sizeCalibrationString == "none") {
             out.sizeCalibration = Calibration::SizeCalibration::NONE;
         } else if (sizeCalibrationString == "geometric") {
@@ -1204,18 +1117,28 @@ void TouchInputMapper::parseCalibration() {
         } else if (sizeCalibrationString == "area") {
             out.sizeCalibration = Calibration::SizeCalibration::AREA;
         } else if (sizeCalibrationString != "default") {
-            ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.string());
+            ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.c_str());
         }
     }
 
-    out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"), out.sizeScale);
-    out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"), out.sizeBias);
-    out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"), out.sizeIsSummed);
+    float sizeScale;
+
+    if (in.tryGetProperty("touch.size.scale", sizeScale)) {
+        out.sizeScale = sizeScale;
+    }
+    float sizeBias;
+    if (in.tryGetProperty("touch.size.bias", sizeBias)) {
+        out.sizeBias = sizeBias;
+    }
+    bool sizeIsSummed;
+    if (in.tryGetProperty("touch.size.isSummed", sizeIsSummed)) {
+        out.sizeIsSummed = sizeIsSummed;
+    }
 
     // Pressure
     out.pressureCalibration = Calibration::PressureCalibration::DEFAULT;
-    String8 pressureCalibrationString;
-    if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
+    std::string pressureCalibrationString;
+    if (in.tryGetProperty("touch.pressure.calibration", pressureCalibrationString)) {
         if (pressureCalibrationString == "none") {
             out.pressureCalibration = Calibration::PressureCalibration::NONE;
         } else if (pressureCalibrationString == "physical") {
@@ -1224,16 +1147,19 @@ void TouchInputMapper::parseCalibration() {
             out.pressureCalibration = Calibration::PressureCalibration::AMPLITUDE;
         } else if (pressureCalibrationString != "default") {
             ALOGW("Invalid value for touch.pressure.calibration: '%s'",
-                  pressureCalibrationString.string());
+                  pressureCalibrationString.c_str());
         }
     }
 
-    out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"), out.pressureScale);
+    float pressureScale;
+    if (in.tryGetProperty("touch.pressure.scale", pressureScale)) {
+        out.pressureScale = pressureScale;
+    }
 
     // Orientation
     out.orientationCalibration = Calibration::OrientationCalibration::DEFAULT;
-    String8 orientationCalibrationString;
-    if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
+    std::string orientationCalibrationString;
+    if (in.tryGetProperty("touch.orientation.calibration", orientationCalibrationString)) {
         if (orientationCalibrationString == "none") {
             out.orientationCalibration = Calibration::OrientationCalibration::NONE;
         } else if (orientationCalibrationString == "interpolated") {
@@ -1242,36 +1168,39 @@ void TouchInputMapper::parseCalibration() {
             out.orientationCalibration = Calibration::OrientationCalibration::VECTOR;
         } else if (orientationCalibrationString != "default") {
             ALOGW("Invalid value for touch.orientation.calibration: '%s'",
-                  orientationCalibrationString.string());
+                  orientationCalibrationString.c_str());
         }
     }
 
     // Distance
     out.distanceCalibration = Calibration::DistanceCalibration::DEFAULT;
-    String8 distanceCalibrationString;
-    if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) {
+    std::string distanceCalibrationString;
+    if (in.tryGetProperty("touch.distance.calibration", distanceCalibrationString)) {
         if (distanceCalibrationString == "none") {
             out.distanceCalibration = Calibration::DistanceCalibration::NONE;
         } else if (distanceCalibrationString == "scaled") {
             out.distanceCalibration = Calibration::DistanceCalibration::SCALED;
         } else if (distanceCalibrationString != "default") {
             ALOGW("Invalid value for touch.distance.calibration: '%s'",
-                  distanceCalibrationString.string());
+                  distanceCalibrationString.c_str());
         }
     }
 
-    out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"), out.distanceScale);
+    float distanceScale;
+    if (in.tryGetProperty("touch.distance.scale", distanceScale)) {
+        out.distanceScale = distanceScale;
+    }
 
     out.coverageCalibration = Calibration::CoverageCalibration::DEFAULT;
-    String8 coverageCalibrationString;
-    if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) {
+    std::string coverageCalibrationString;
+    if (in.tryGetProperty("touch.coverage.calibration", coverageCalibrationString)) {
         if (coverageCalibrationString == "none") {
             out.coverageCalibration = Calibration::CoverageCalibration::NONE;
         } else if (coverageCalibrationString == "box") {
             out.coverageCalibration = Calibration::CoverageCalibration::BOX;
         } else if (coverageCalibrationString != "default") {
             ALOGW("Invalid value for touch.coverage.calibration: '%s'",
-                  coverageCalibrationString.string());
+                  coverageCalibrationString.c_str());
         }
     }
 }
@@ -1325,17 +1254,17 @@ void TouchInputMapper::dumpCalibration(std::string& dump) {
     dump += INDENT4 "touch.size.calibration: ";
     dump += ftl::enum_string(mCalibration.sizeCalibration) + "\n";
 
-    if (mCalibration.haveSizeScale) {
-        dump += StringPrintf(INDENT4 "touch.size.scale: %0.3f\n", mCalibration.sizeScale);
+    if (mCalibration.sizeScale) {
+        dump += StringPrintf(INDENT4 "touch.size.scale: %0.3f\n", *mCalibration.sizeScale);
     }
 
-    if (mCalibration.haveSizeBias) {
-        dump += StringPrintf(INDENT4 "touch.size.bias: %0.3f\n", mCalibration.sizeBias);
+    if (mCalibration.sizeBias) {
+        dump += StringPrintf(INDENT4 "touch.size.bias: %0.3f\n", *mCalibration.sizeBias);
     }
 
-    if (mCalibration.haveSizeIsSummed) {
+    if (mCalibration.sizeIsSummed) {
         dump += StringPrintf(INDENT4 "touch.size.isSummed: %s\n",
-                             toString(mCalibration.sizeIsSummed));
+                             toString(*mCalibration.sizeIsSummed));
     }
 
     // Pressure
@@ -1353,8 +1282,8 @@ void TouchInputMapper::dumpCalibration(std::string& dump) {
             ALOG_ASSERT(false);
     }
 
-    if (mCalibration.havePressureScale) {
-        dump += StringPrintf(INDENT4 "touch.pressure.scale: %0.3f\n", mCalibration.pressureScale);
+    if (mCalibration.pressureScale) {
+        dump += StringPrintf(INDENT4 "touch.pressure.scale: %0.3f\n", *mCalibration.pressureScale);
     }
 
     // Orientation
@@ -1384,8 +1313,8 @@ void TouchInputMapper::dumpCalibration(std::string& dump) {
             ALOG_ASSERT(false);
     }
 
-    if (mCalibration.haveDistanceScale) {
-        dump += StringPrintf(INDENT4 "touch.distance.scale: %0.3f\n", mCalibration.distanceScale);
+    if (mCalibration.distanceScale) {
+        dump += StringPrintf(INDENT4 "touch.distance.scale: %0.3f\n", *mCalibration.distanceScale);
     }
 
     switch (mCalibration.coverageCalibration) {
@@ -1416,10 +1345,13 @@ void TouchInputMapper::updateAffineTransformation() {
                                                                  mInputDeviceOrientation);
 }
 
-void TouchInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> TouchInputMapper::reset(nsecs_t when) {
+    std::list<NotifyArgs> out = cancelTouch(when, when);
+    updateTouchSpots();
+
     mCursorButtonAccumulator.reset(getDeviceContext());
     mCursorScrollAccumulator.reset(getDeviceContext());
-    mTouchButtonAccumulator.reset(getDeviceContext());
+    mTouchButtonAccumulator.reset();
 
     mPointerVelocityControl.reset();
     mWheelXVelocityControl.reset();
@@ -1447,14 +1379,15 @@ void TouchInputMapper::reset(nsecs_t when) {
         mPointerController->clearSpots();
     }
 
-    InputMapper::reset(when);
+    return out += InputMapper::reset(when);
 }
 
 void TouchInputMapper::resetExternalStylus() {
     mExternalStylusState.clear();
-    mExternalStylusId = -1;
+    mFusedStylusPointerId.reset();
     mExternalStylusFusionTimeout = LLONG_MAX;
     mExternalStylusDataPending = false;
+    mExternalStylusButtonsApplied = 0;
 }
 
 void TouchInputMapper::clearStylusDataPendingFlags() {
@@ -1462,17 +1395,20 @@ void TouchInputMapper::clearStylusDataPendingFlags() {
     mExternalStylusFusionTimeout = LLONG_MAX;
 }
 
-void TouchInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> TouchInputMapper::process(const RawEvent* rawEvent) {
     mCursorButtonAccumulator.process(rawEvent);
     mCursorScrollAccumulator.process(rawEvent);
     mTouchButtonAccumulator.process(rawEvent);
 
+    std::list<NotifyArgs> out;
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        out += sync(rawEvent->when, rawEvent->readTime);
     }
+    return out;
 }
 
-void TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     if (mDeviceMode == DeviceMode::DISABLED) {
         // Only save the last pending state when the device is disabled.
         mRawStatesPending.clear();
@@ -1501,19 +1437,22 @@ void TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
     const RawState& last =
             mRawStatesPending.size() == 1 ? mCurrentRawState : mRawStatesPending.rbegin()[1];
 
+    std::tie(next.when, next.readTime) =
+            applyBluetoothTimestampSmoothening(getDeviceContext().getDeviceIdentifier(), when,
+                                               readTime, last.when);
+
     // Assign pointer ids.
     if (!mHavePointerIds) {
         assignPointerIds(last, next);
     }
 
-    if (DEBUG_RAW_EVENTS) {
-        ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
-              "hovering ids 0x%08x -> 0x%08x, canceled ids 0x%08x",
-              last.rawPointerData.pointerCount, next.rawPointerData.pointerCount,
-              last.rawPointerData.touchingIdBits.value, next.rawPointerData.touchingIdBits.value,
-              last.rawPointerData.hoveringIdBits.value, next.rawPointerData.hoveringIdBits.value,
-              next.rawPointerData.canceledIdBits.value);
-    }
+    ALOGD_IF(DEBUG_RAW_EVENTS,
+             "syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
+             "hovering ids 0x%08x -> 0x%08x, canceled ids 0x%08x",
+             last.rawPointerData.pointerCount, next.rawPointerData.pointerCount,
+             last.rawPointerData.touchingIdBits.value, next.rawPointerData.touchingIdBits.value,
+             last.rawPointerData.hoveringIdBits.value, next.rawPointerData.hoveringIdBits.value,
+             next.rawPointerData.canceledIdBits.value);
 
     if (!next.rawPointerData.touchingIdBits.isEmpty() &&
         !next.rawPointerData.hoveringIdBits.isEmpty() &&
@@ -1522,16 +1461,15 @@ void TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
               next.rawPointerData.hoveringIdBits.value);
     }
 
-    processRawTouches(false /*timeout*/);
+    out += processRawTouches(false /*timeout*/);
+    return out;
 }
 
-void TouchInputMapper::processRawTouches(bool timeout) {
+std::list<NotifyArgs> TouchInputMapper::processRawTouches(bool timeout) {
+    std::list<NotifyArgs> out;
     if (mDeviceMode == DeviceMode::DISABLED) {
-        // Drop all input if the device is disabled.
-        cancelTouch(mCurrentRawState.when, mCurrentRawState.readTime);
-        mCurrentCookedState.clear();
-        updateTouchSpots();
-        return;
+        // Do not process raw event while the device is disabled.
+        return out;
     }
 
     // Drain any pending touch states. The invariant here is that the mCurrentRawState is always
@@ -1551,12 +1489,12 @@ void TouchInputMapper::processRawTouches(bool timeout) {
 
         // All ready to go.
         clearStylusDataPendingFlags();
-        mCurrentRawState.copyFrom(next);
+        mCurrentRawState = next;
         if (mCurrentRawState.when < mLastRawState.when) {
             mCurrentRawState.when = mLastRawState.when;
             mCurrentRawState.readTime = mLastRawState.readTime;
         }
-        cookAndDispatch(mCurrentRawState.when, mCurrentRawState.readTime);
+        out += cookAndDispatch(mCurrentRawState.when, mCurrentRawState.readTime);
     }
     if (count != 0) {
         mRawStatesPending.erase(mRawStatesPending.begin(), mRawStatesPending.begin() + count);
@@ -1566,20 +1504,21 @@ void TouchInputMapper::processRawTouches(bool timeout) {
         if (timeout) {
             nsecs_t when = mExternalStylusFusionTimeout - STYLUS_DATA_LATENCY;
             clearStylusDataPendingFlags();
-            mCurrentRawState.copyFrom(mLastRawState);
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Timeout expired, synthesizing event with new stylus data");
-            }
+            mCurrentRawState = mLastRawState;
+            ALOGD_IF(DEBUG_STYLUS_FUSION,
+                     "Timeout expired, synthesizing event with new stylus data");
             const nsecs_t readTime = when; // consider this synthetic event to be zero latency
-            cookAndDispatch(when, readTime);
+            out += cookAndDispatch(when, readTime);
         } else if (mExternalStylusFusionTimeout == LLONG_MAX) {
             mExternalStylusFusionTimeout = mExternalStylusState.when + TOUCH_DATA_TIMEOUT;
             getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
         }
     }
+    return out;
 }
 
-void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     // Always start with a clean state.
     mCurrentCookedState.clear();
 
@@ -1605,7 +1544,9 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
 
     // Consume raw off-screen touches before cooking pointer data.
     // If touches are consumed, subsequent code will not receive any pointer data.
-    if (consumeRawTouches(when, readTime, policyFlags)) {
+    bool consumed;
+    out += consumeRawTouches(when, readTime, policyFlags, consumed /*byref*/);
+    if (consumed) {
         mCurrentRawState.rawPointerData.clear();
     }
 
@@ -1618,9 +1559,9 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
     applyExternalStylusTouchState(when);
 
     // Synthesize key down from raw buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
-                         mSource, mViewport.displayId, policyFlags, mLastCookedState.buttonState,
-                         mCurrentCookedState.buttonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
+                                mSource, mViewport.displayId, policyFlags,
+                                mLastCookedState.buttonState, mCurrentCookedState.buttonState);
 
     // Dispatch the touches either directly or by translation through a pointer on screen.
     if (mDeviceMode == DeviceMode::POINTER) {
@@ -1628,8 +1569,7 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
             uint32_t id = idBits.clearFirstMarkedBit();
             const RawPointerData::Pointer& pointer =
                     mCurrentRawState.rawPointerData.pointerForId(id);
-            if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
-                pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+            if (isStylusToolType(pointer.toolType)) {
                 mCurrentCookedState.stylusIdBits.markBit(id);
             } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER ||
                        pointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
@@ -1642,8 +1582,7 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
             uint32_t id = idBits.clearFirstMarkedBit();
             const RawPointerData::Pointer& pointer =
                     mCurrentRawState.rawPointerData.pointerForId(id);
-            if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
-                pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+            if (isStylusToolType(pointer.toolType)) {
                 mCurrentCookedState.stylusIdBits.markBit(id);
             }
         }
@@ -1662,15 +1601,15 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
             pointerUsage = PointerUsage::GESTURES;
         }
 
-        dispatchPointerUsage(when, readTime, policyFlags, pointerUsage);
+        out += dispatchPointerUsage(when, readTime, policyFlags, pointerUsage);
     } else {
         if (!mCurrentMotionAborted) {
             updateTouchSpots();
-            dispatchButtonRelease(when, readTime, policyFlags);
-            dispatchHoverExit(when, readTime, policyFlags);
-            dispatchTouches(when, readTime, policyFlags);
-            dispatchHoverEnterAndMove(when, readTime, policyFlags);
-            dispatchButtonPress(when, readTime, policyFlags);
+            out += dispatchButtonRelease(when, readTime, policyFlags);
+            out += dispatchHoverExit(when, readTime, policyFlags);
+            out += dispatchTouches(when, readTime, policyFlags);
+            out += dispatchHoverEnterAndMove(when, readTime, policyFlags);
+            out += dispatchButtonPress(when, readTime, policyFlags);
         }
 
         if (mCurrentCookedState.cookedPointerData.pointerCount == 0) {
@@ -1679,17 +1618,18 @@ void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
     }
 
     // Synthesize key up from raw buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(), mSource,
-                         mViewport.displayId, policyFlags, mLastCookedState.buttonState,
-                         mCurrentCookedState.buttonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(),
+                                mSource, mViewport.displayId, policyFlags,
+                                mLastCookedState.buttonState, mCurrentCookedState.buttonState);
 
     // Clear some transient state.
     mCurrentRawState.rawVScroll = 0;
     mCurrentRawState.rawHScroll = 0;
 
     // Copy current touch to last touch in preparation for the next cycle.
-    mLastRawState.copyFrom(mCurrentRawState);
-    mLastCookedState.copyFrom(mCurrentCookedState);
+    mLastRawState = mCurrentRawState;
+    mLastCookedState = mCurrentCookedState;
+    return out;
 }
 
 void TouchInputMapper::updateTouchSpots() {
@@ -1708,8 +1648,8 @@ void TouchInputMapper::updateTouchSpots() {
     mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
 
     mPointerController->setButtonState(mCurrentRawState.buttonState);
-    mPointerController->setSpots(mCurrentCookedState.cookedPointerData.pointerCoords,
-                                 mCurrentCookedState.cookedPointerData.idToIndex,
+    mPointerController->setSpots(mCurrentCookedState.cookedPointerData.pointerCoords.cbegin(),
+                                 mCurrentCookedState.cookedPointerData.idToIndex.cbegin(),
                                  mCurrentCookedState.cookedPointerData.touchingIdBits,
                                  mViewport.displayId);
 }
@@ -1720,29 +1660,41 @@ bool TouchInputMapper::isTouchScreen() {
 }
 
 void TouchInputMapper::applyExternalStylusButtonState(nsecs_t when) {
-    if (mDeviceMode == DeviceMode::DIRECT && hasExternalStylus() && mExternalStylusId != -1) {
-        mCurrentRawState.buttonState |= mExternalStylusState.buttons;
+    if (mDeviceMode == DeviceMode::DIRECT && hasExternalStylus()) {
+        // If any of the external buttons are already pressed by the touch device, ignore them.
+        const int32_t pressedButtons = ~mCurrentRawState.buttonState & mExternalStylusState.buttons;
+        const int32_t releasedButtons =
+                mExternalStylusButtonsApplied & ~mExternalStylusState.buttons;
+
+        mCurrentRawState.buttonState |= pressedButtons;
+        mCurrentRawState.buttonState &= ~releasedButtons;
+
+        mExternalStylusButtonsApplied |= pressedButtons;
+        mExternalStylusButtonsApplied &= ~releasedButtons;
     }
 }
 
 void TouchInputMapper::applyExternalStylusTouchState(nsecs_t when) {
     CookedPointerData& currentPointerData = mCurrentCookedState.cookedPointerData;
     const CookedPointerData& lastPointerData = mLastCookedState.cookedPointerData;
+    if (!mFusedStylusPointerId || !currentPointerData.isTouching(*mFusedStylusPointerId)) {
+        return;
+    }
 
-    if (mExternalStylusId != -1 && currentPointerData.isTouching(mExternalStylusId)) {
-        float pressure = mExternalStylusState.pressure;
-        if (pressure == 0.0f && lastPointerData.isTouching(mExternalStylusId)) {
-            const PointerCoords& coords = lastPointerData.pointerCoordsForId(mExternalStylusId);
-            pressure = coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE);
-        }
-        PointerCoords& coords = currentPointerData.editPointerCoordsWithId(mExternalStylusId);
-        coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
+    float pressure = lastPointerData.isTouching(*mFusedStylusPointerId)
+            ? lastPointerData.pointerCoordsForId(*mFusedStylusPointerId)
+                      .getAxisValue(AMOTION_EVENT_AXIS_PRESSURE)
+            : 0.f;
+    if (mExternalStylusState.pressure && *mExternalStylusState.pressure > 0.f) {
+        pressure = *mExternalStylusState.pressure;
+    }
+    PointerCoords& coords = currentPointerData.editPointerCoordsWithId(*mFusedStylusPointerId);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
 
+    if (mExternalStylusState.toolType != AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
         PointerProperties& properties =
-                currentPointerData.editPointerPropertiesWithId(mExternalStylusId);
-        if (mExternalStylusState.toolType != AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
-            properties.toolType = mExternalStylusState.toolType;
-        }
+                currentPointerData.editPointerPropertiesWithId(*mFusedStylusPointerId);
+        properties.toolType = mExternalStylusState.toolType;
     }
 }
 
@@ -1751,86 +1703,103 @@ bool TouchInputMapper::assignExternalStylusId(const RawState& state, bool timeou
         return false;
     }
 
+    // Check if the stylus pointer has gone up.
+    if (mFusedStylusPointerId &&
+        !state.rawPointerData.touchingIdBits.hasBit(*mFusedStylusPointerId)) {
+        ALOGD_IF(DEBUG_STYLUS_FUSION, "Stylus pointer is going up");
+        mFusedStylusPointerId.reset();
+        return false;
+    }
+
     const bool initialDown = mLastRawState.rawPointerData.pointerCount == 0 &&
             state.rawPointerData.pointerCount != 0;
-    if (initialDown) {
-        if (mExternalStylusState.pressure != 0.0f) {
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Have both stylus and touch data, beginning fusion");
-            }
-            mExternalStylusId = state.rawPointerData.touchingIdBits.firstMarkedBit();
-        } else if (timeout) {
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Timeout expired, assuming touch is not a stylus.");
-            }
-            resetExternalStylus();
-        } else {
-            if (mExternalStylusFusionTimeout == LLONG_MAX) {
-                mExternalStylusFusionTimeout = state.when + EXTERNAL_STYLUS_DATA_TIMEOUT;
-            }
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("No stylus data but stylus is connected, requesting timeout "
-                      "(%" PRId64 "ms)",
-                      mExternalStylusFusionTimeout);
-            }
-            getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
-            return true;
-        }
+    if (!initialDown) {
+        return false;
     }
 
-    // Check if the stylus pointer has gone up.
-    if (mExternalStylusId != -1 && !state.rawPointerData.touchingIdBits.hasBit(mExternalStylusId)) {
-        if (DEBUG_STYLUS_FUSION) {
-            ALOGD("Stylus pointer is going up");
-        }
-        mExternalStylusId = -1;
+    if (!mExternalStylusState.pressure) {
+        ALOGD_IF(DEBUG_STYLUS_FUSION, "Stylus does not support pressure, no pointer fusion needed");
+        return false;
+    }
+
+    if (*mExternalStylusState.pressure != 0.0f) {
+        ALOGD_IF(DEBUG_STYLUS_FUSION, "Have both stylus and touch data, beginning fusion");
+        mFusedStylusPointerId = state.rawPointerData.touchingIdBits.firstMarkedBit();
+        return false;
     }
 
-    return false;
+    if (timeout) {
+        ALOGD_IF(DEBUG_STYLUS_FUSION, "Timeout expired, assuming touch is not a stylus.");
+        mFusedStylusPointerId.reset();
+        mExternalStylusFusionTimeout = LLONG_MAX;
+        return false;
+    }
+
+    // We are waiting for the external stylus to report a pressure value. Withhold touches from
+    // being processed until we either get pressure data or timeout.
+    if (mExternalStylusFusionTimeout == LLONG_MAX) {
+        mExternalStylusFusionTimeout = state.when + EXTERNAL_STYLUS_DATA_TIMEOUT;
+    }
+    ALOGD_IF(DEBUG_STYLUS_FUSION,
+             "No stylus data but stylus is connected, requesting timeout (%" PRId64 "ms)",
+             mExternalStylusFusionTimeout);
+    getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
+    return true;
 }
 
-void TouchInputMapper::timeoutExpired(nsecs_t when) {
+std::list<NotifyArgs> TouchInputMapper::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mDeviceMode == DeviceMode::POINTER) {
         if (mPointerUsage == PointerUsage::GESTURES) {
             // Since this is a synthetic event, we can consider its latency to be zero
             const nsecs_t readTime = when;
-            dispatchPointerGestures(when, readTime, 0 /*policyFlags*/, true /*isTimeout*/);
+            out += dispatchPointerGestures(when, readTime, 0 /*policyFlags*/, true /*isTimeout*/);
         }
     } else if (mDeviceMode == DeviceMode::DIRECT) {
-        if (mExternalStylusFusionTimeout < when) {
-            processRawTouches(true /*timeout*/);
+        if (mExternalStylusFusionTimeout <= when) {
+            out += processRawTouches(true /*timeout*/);
         } else if (mExternalStylusFusionTimeout != LLONG_MAX) {
             getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
         }
     }
+    return out;
 }
 
-void TouchInputMapper::updateExternalStylusState(const StylusState& state) {
-    mExternalStylusState.copyFrom(state);
-    if (mExternalStylusId != -1 || mExternalStylusFusionTimeout != LLONG_MAX) {
-        // We're either in the middle of a fused stream of data or we're waiting on data before
-        // dispatching the initial down, so go ahead and dispatch now that we have fresh stylus
-        // data.
+std::list<NotifyArgs> TouchInputMapper::updateExternalStylusState(const StylusState& state) {
+    std::list<NotifyArgs> out;
+    const bool buttonsChanged = mExternalStylusState.buttons != state.buttons;
+    mExternalStylusState = state;
+    if (mFusedStylusPointerId || mExternalStylusFusionTimeout != LLONG_MAX || buttonsChanged) {
+        // The following three cases are handled here:
+        // - We're in the middle of a fused stream of data;
+        // - We're waiting on external stylus data before dispatching the initial down; or
+        // - Only the button state, which is not reported through a specific pointer, has changed.
+        // Go ahead and dispatch now that we have fresh stylus data.
         mExternalStylusDataPending = true;
-        processRawTouches(false /*timeout*/);
+        out += processRawTouches(false /*timeout*/);
     }
+    return out;
 }
 
-bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags, bool& outConsumed) {
+    outConsumed = false;
+    std::list<NotifyArgs> out;
     // Check for release of a virtual key.
     if (mCurrentVirtualKey.down) {
         if (mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) {
             // Pointer went up while virtual key was down.
             mCurrentVirtualKey.down = false;
             if (!mCurrentVirtualKey.ignored) {
-                if (DEBUG_VIRTUAL_KEYS) {
-                    ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
-                          mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-                }
-                dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
-                                   AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+                ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                         "VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+                         mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                out.push_back(dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
+                                                 AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                         AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY));
             }
-            return true;
+            outConsumed = true;
+            return out;
         }
 
         if (mCurrentRawState.rawPointerData.touchingIdBits.count() == 1) {
@@ -1840,7 +1809,8 @@ bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_
             const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
             if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) {
                 // Pointer is still within the space of the virtual key.
-                return true;
+                outConsumed = true;
+                return out;
             }
         }
 
@@ -1850,13 +1820,12 @@ bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_
         // into the main display surface.
         mCurrentVirtualKey.down = false;
         if (!mCurrentVirtualKey.ignored) {
-            if (DEBUG_VIRTUAL_KEYS) {
-                ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
-                      mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-            }
-            dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
-                               AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY |
-                                       AKEY_EVENT_FLAG_CANCELED);
+            ALOGD_IF(DEBUG_VIRTUAL_KEYS, "VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+                     mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+            out.push_back(dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
+                                             AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                     AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY |
+                                                     AKEY_EVENT_FLAG_CANCELED));
         }
     }
 
@@ -1883,17 +1852,18 @@ bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_
                                                                virtualKey->scanCode);
 
                     if (!mCurrentVirtualKey.ignored) {
-                        if (DEBUG_VIRTUAL_KEYS) {
-                            ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
-                                  mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-                        }
-                        dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_DOWN,
-                                           AKEY_EVENT_FLAG_FROM_SYSTEM |
-                                                   AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+                        ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                                 "VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+                                 mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                        out.push_back(dispatchVirtualKey(when, readTime, policyFlags,
+                                                         AKEY_EVENT_ACTION_DOWN,
+                                                         AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                                 AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY));
                     }
                 }
             }
-            return true;
+            outConsumed = true;
+            return out;
         }
     }
 
@@ -1915,43 +1885,80 @@ bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_
         !mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) {
         getContext()->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime);
     }
-    return false;
+    return out;
 }
 
-void TouchInputMapper::dispatchVirtualKey(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                          int32_t keyEventAction, int32_t keyEventFlags) {
+NotifyKeyArgs TouchInputMapper::dispatchVirtualKey(nsecs_t when, nsecs_t readTime,
+                                                   uint32_t policyFlags, int32_t keyEventAction,
+                                                   int32_t keyEventFlags) {
     int32_t keyCode = mCurrentVirtualKey.keyCode;
     int32_t scanCode = mCurrentVirtualKey.scanCode;
     nsecs_t downTime = mCurrentVirtualKey.downTime;
     int32_t metaState = getContext()->getGlobalMetaState();
     policyFlags |= POLICY_FLAG_VIRTUAL;
 
-    NotifyKeyArgs args(getContext()->getNextId(), when, readTime, getDeviceId(),
-                       AINPUT_SOURCE_KEYBOARD, mViewport.displayId, policyFlags, keyEventAction,
-                       keyEventFlags, keyCode, scanCode, metaState, downTime);
-    getListener().notifyKey(&args);
+    return NotifyKeyArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                         AINPUT_SOURCE_KEYBOARD, mViewport.displayId, policyFlags, keyEventAction,
+                         keyEventFlags, keyCode, scanCode, metaState, downTime);
 }
 
-void TouchInputMapper::abortTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortTouches(nsecs_t when, nsecs_t readTime,
+                                                     uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mCurrentMotionAborted) {
         // Current motion event was already aborted.
-        return;
+        return out;
     }
     BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits;
     if (!currentIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         int32_t buttonState = mCurrentCookedState.buttonState;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_CANCEL, 0, AMOTION_EVENT_FLAG_CANCELED,
+                                     metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits,
+                                     -1, mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
         mCurrentMotionAborted = true;
     }
+    return out;
+}
+
+// Updates pointer coords and properties for pointers with specified ids that have moved.
+// Returns true if any of them changed.
+static bool updateMovedPointers(const PropertiesArray& inProperties, CoordsArray& inCoords,
+                                const IdToIndexArray& inIdToIndex, PropertiesArray& outProperties,
+                                CoordsArray& outCoords, IdToIndexArray& outIdToIndex,
+                                BitSet32 idBits) {
+    bool changed = false;
+    while (!idBits.isEmpty()) {
+        uint32_t id = idBits.clearFirstMarkedBit();
+        uint32_t inIndex = inIdToIndex[id];
+        uint32_t outIndex = outIdToIndex[id];
+
+        const PointerProperties& curInProperties = inProperties[inIndex];
+        const PointerCoords& curInCoords = inCoords[inIndex];
+        PointerProperties& curOutProperties = outProperties[outIndex];
+        PointerCoords& curOutCoords = outCoords[outIndex];
+
+        if (curInProperties != curOutProperties) {
+            curOutProperties.copyFrom(curInProperties);
+            changed = true;
+        }
+
+        if (curInCoords != curOutCoords) {
+            curOutCoords.copyFrom(curInCoords);
+            changed = true;
+        }
+    }
+    return changed;
 }
 
-void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime,
+                                                        uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits;
     BitSet32 lastIdBits = mLastCookedState.cookedPointerData.touchingIdBits;
     int32_t metaState = getContext()->getGlobalMetaState();
@@ -1961,12 +1968,14 @@ void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t
         if (!currentIdBits.isEmpty()) {
             // No pointer id changes so this is a move event.
             // The listener takes care of batching moves so we don't have to deal with that here.
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0,
-                           metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(
+                    dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE,
+                                   0, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                   mCurrentCookedState.cookedPointerData.pointerProperties,
+                                   mCurrentCookedState.cookedPointerData.pointerCoords,
+                                   mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits,
+                                   -1, mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                   MotionClassification::NONE));
         }
     } else {
         // There may be pointers going up and pointers going down and pointers moving
@@ -1996,12 +2005,16 @@ void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t
             if (isCanceled) {
                 ALOGI("Canceling pointer %d for the palm event was detected.", upId);
             }
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0,
-                           isCanceled ? AMOTION_EVENT_FLAG_CANCELED : 0, metaState, buttonState, 0,
-                           mLastCookedState.cookedPointerData.pointerProperties,
-                           mLastCookedState.cookedPointerData.pointerCoords,
-                           mLastCookedState.cookedPointerData.idToIndex, dispatchedIdBits, upId,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_POINTER_UP, 0,
+                                         isCanceled ? AMOTION_EVENT_FLAG_CANCELED : 0, metaState,
+                                         buttonState, 0,
+                                         mLastCookedState.cookedPointerData.pointerProperties,
+                                         mLastCookedState.cookedPointerData.pointerCoords,
+                                         mLastCookedState.cookedPointerData.idToIndex,
+                                         dispatchedIdBits, upId, mOrientedXPrecision,
+                                         mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
             dispatchedIdBits.clearBit(upId);
             mCurrentCookedState.cookedPointerData.canceledIdBits.clearBit(upId);
         }
@@ -2011,12 +2024,14 @@ void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t
         // events, they do not generally handle them except when presented in a move event.
         if (moveNeeded && !moveIdBits.isEmpty()) {
             ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value);
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0,
-                           metaState, buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, buttonState, 0,
+                                         mCurrentCookedState.cookedPointerData.pointerProperties,
+                                         mCurrentCookedState.cookedPointerData.pointerCoords,
+                                         mCurrentCookedState.cookedPointerData.idToIndex,
+                                         dispatchedIdBits, -1, mOrientedXPrecision,
+                                         mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
         }
 
         // Dispatch pointer down events using the new pointer locations.
@@ -2029,59 +2044,75 @@ void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t
                 mDownTime = when;
             }
 
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN,
-                           0, 0, metaState, buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits,
-                           downId, mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(
+                    dispatchMotion(when, readTime, policyFlags, mSource,
+                                   AMOTION_EVENT_ACTION_POINTER_DOWN, 0, 0, metaState, buttonState,
+                                   0, mCurrentCookedState.cookedPointerData.pointerProperties,
+                                   mCurrentCookedState.cookedPointerData.pointerCoords,
+                                   mCurrentCookedState.cookedPointerData.idToIndex,
+                                   dispatchedIdBits, downId, mOrientedXPrecision,
+                                   mOrientedYPrecision, mDownTime, MotionClassification::NONE));
         }
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchHoverExit(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchHoverExit(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mSentHoverEnter &&
         (mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty() ||
          !mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty())) {
         int32_t metaState = getContext()->getGlobalMetaState();
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0,
-                       metaState, mLastCookedState.buttonState, 0,
-                       mLastCookedState.cookedPointerData.pointerProperties,
-                       mLastCookedState.cookedPointerData.pointerCoords,
-                       mLastCookedState.cookedPointerData.idToIndex,
-                       mLastCookedState.cookedPointerData.hoveringIdBits, -1, mOrientedXPrecision,
-                       mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState,
+                                     mLastCookedState.buttonState, 0,
+                                     mLastCookedState.cookedPointerData.pointerProperties,
+                                     mLastCookedState.cookedPointerData.pointerCoords,
+                                     mLastCookedState.cookedPointerData.idToIndex,
+                                     mLastCookedState.cookedPointerData.hoveringIdBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
         mSentHoverEnter = false;
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
-                                                 uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
+                                                                  uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty() &&
         !mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         if (!mSentHoverEnter) {
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                           0, 0, metaState, mCurrentRawState.buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex,
-                           mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
+                                         mCurrentRawState.buttonState, 0,
+                                         mCurrentCookedState.cookedPointerData.pointerProperties,
+                                         mCurrentCookedState.cookedPointerData.pointerCoords,
+                                         mCurrentCookedState.cookedPointerData.idToIndex,
+                                         mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
+                                         mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
             mSentHoverEnter = true;
         }
 
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
-                       metaState, mCurrentRawState.buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex,
-                       mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
+                                     mCurrentRawState.buttonState, 0,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex,
+                                     mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchButtonRelease(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchButtonRelease(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 releasedButtons(mLastCookedState.buttonState & ~mCurrentCookedState.buttonState);
     const BitSet32& idBits = findActiveIdBits(mLastCookedState.cookedPointerData);
     const int32_t metaState = getContext()->getGlobalMetaState();
@@ -2089,16 +2120,21 @@ void TouchInputMapper::dispatchButtonRelease(nsecs_t when, nsecs_t readTime, uin
     while (!releasedButtons.isEmpty()) {
         int32_t actionButton = BitSet32::valueForBit(releasedButtons.clearFirstMarkedBit());
         buttonState &= ~actionButton;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_RELEASE,
-                       actionButton, 0, metaState, buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
+                                     metaState, buttonState, 0,
+                                     mLastCookedState.cookedPointerData.pointerProperties,
+                                     mLastCookedState.cookedPointerData.pointerCoords,
+                                     mLastCookedState.cookedPointerData.idToIndex, idBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchButtonPress(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchButtonPress(nsecs_t when, nsecs_t readTime,
+                                                            uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 pressedButtons(mCurrentCookedState.buttonState & ~mLastCookedState.buttonState);
     const BitSet32& idBits = findActiveIdBits(mCurrentCookedState.cookedPointerData);
     const int32_t metaState = getContext()->getGlobalMetaState();
@@ -2106,13 +2142,16 @@ void TouchInputMapper::dispatchButtonPress(nsecs_t when, nsecs_t readTime, uint3
     while (!pressedButtons.isEmpty()) {
         int32_t actionButton = BitSet32::valueForBit(pressedButtons.clearFirstMarkedBit());
         buttonState |= actionButton;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_PRESS,
-                       actionButton, 0, metaState, buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0, metaState,
+                                     buttonState, 0,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
 const BitSet32& TouchInputMapper::findActiveIdBits(const CookedPointerData& cookedPointerData) {
@@ -2182,7 +2221,7 @@ void TouchInputMapper::cookPointerData() {
                     size = 0;
                 }
 
-                if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) {
+                if (mCalibration.sizeIsSummed && *mCalibration.sizeIsSummed) {
                     uint32_t touchingCount = mCurrentRawState.rawPointerData.touchingIdBits.count();
                     if (touchingCount > 1) {
                         touchMajor /= touchingCount;
@@ -2208,13 +2247,16 @@ void TouchInputMapper::cookPointerData() {
                     toolMinor = toolMajor;
                 }
 
-                mCalibration.applySizeScaleAndBias(&touchMajor);
-                mCalibration.applySizeScaleAndBias(&touchMinor);
-                mCalibration.applySizeScaleAndBias(&toolMajor);
-                mCalibration.applySizeScaleAndBias(&toolMinor);
+                mCalibration.applySizeScaleAndBias(touchMajor);
+                mCalibration.applySizeScaleAndBias(touchMinor);
+                mCalibration.applySizeScaleAndBias(toolMajor);
+                mCalibration.applySizeScaleAndBias(toolMinor);
                 size *= mSizeScale;
                 break;
-            default:
+            case Calibration::SizeCalibration::DEFAULT:
+                LOG_ALWAYS_FATAL("Resolution should not be 'DEFAULT' at this point");
+                break;
+            case Calibration::SizeCalibration::NONE:
                 touchMajor = 0;
                 touchMinor = 0;
                 toolMajor = 0;
@@ -2305,40 +2347,37 @@ void TouchInputMapper::cookPointerData() {
         float left, top, right, bottom;
 
         switch (mInputDeviceOrientation) {
-            case DISPLAY_ORIENTATION_90:
+            case ui::ROTATION_90:
                 left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale;
                 right = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale;
                 bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale;
                 top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale;
                 orientation -= M_PI_2;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation < mOrientedRanges.orientation.min) {
+                if (mOrientedRanges.orientation && orientation < mOrientedRanges.orientation->min) {
                     orientation +=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
-            case DISPLAY_ORIENTATION_180:
+            case ui::ROTATION_180:
                 left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale;
                 right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale;
                 bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale;
                 top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale;
                 orientation -= M_PI;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation < mOrientedRanges.orientation.min) {
+                if (mOrientedRanges.orientation && orientation < mOrientedRanges.orientation->min) {
                     orientation +=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
-            case DISPLAY_ORIENTATION_270:
+            case ui::ROTATION_270:
                 left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale;
                 right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale;
                 bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale;
                 top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale;
                 orientation += M_PI_2;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation > mOrientedRanges.orientation.max) {
+                if (mOrientedRanges.orientation && orientation > mOrientedRanges.orientation->max) {
                     orientation -=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
             default:
@@ -2394,54 +2433,62 @@ void TouchInputMapper::cookPointerData() {
     }
 }
 
-void TouchInputMapper::dispatchPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                            PointerUsage pointerUsage) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags,
+                                                             PointerUsage pointerUsage) {
+    std::list<NotifyArgs> out;
     if (pointerUsage != mPointerUsage) {
-        abortPointerUsage(when, readTime, policyFlags);
+        out += abortPointerUsage(when, readTime, policyFlags);
         mPointerUsage = pointerUsage;
     }
 
     switch (mPointerUsage) {
         case PointerUsage::GESTURES:
-            dispatchPointerGestures(when, readTime, policyFlags, false /*isTimeout*/);
+            out += dispatchPointerGestures(when, readTime, policyFlags, false /*isTimeout*/);
             break;
         case PointerUsage::STYLUS:
-            dispatchPointerStylus(when, readTime, policyFlags);
+            out += dispatchPointerStylus(when, readTime, policyFlags);
             break;
         case PointerUsage::MOUSE:
-            dispatchPointerMouse(when, readTime, policyFlags);
+            out += dispatchPointerMouse(when, readTime, policyFlags);
             break;
         case PointerUsage::NONE:
             break;
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     switch (mPointerUsage) {
         case PointerUsage::GESTURES:
-            abortPointerGestures(when, readTime, policyFlags);
+            out += abortPointerGestures(when, readTime, policyFlags);
             break;
         case PointerUsage::STYLUS:
-            abortPointerStylus(when, readTime, policyFlags);
+            out += abortPointerStylus(when, readTime, policyFlags);
             break;
         case PointerUsage::MOUSE:
-            abortPointerMouse(when, readTime, policyFlags);
+            out += abortPointerMouse(when, readTime, policyFlags);
             break;
         case PointerUsage::NONE:
             break;
     }
 
     mPointerUsage = PointerUsage::NONE;
+    return out;
 }
 
-void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                               bool isTimeout) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                                uint32_t policyFlags,
+                                                                bool isTimeout) {
+    std::list<NotifyArgs> out;
     // Update current gesture coordinates.
     bool cancelPreviousGesture, finishPreviousGesture;
     bool sendEvents =
             preparePointerGestures(when, &cancelPreviousGesture, &finishPreviousGesture, isTimeout);
     if (!sendEvents) {
-        return;
+        return {};
     }
     if (finishPreviousGesture) {
         cancelPreviousGesture = false;
@@ -2455,8 +2502,8 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
         }
 
         if (mPointerGesture.currentGestureMode == PointerGesture::Mode::FREEFORM) {
-            mPointerController->setSpots(mPointerGesture.currentGestureCoords,
-                                         mPointerGesture.currentGestureIdToIndex,
+            mPointerController->setSpots(mPointerGesture.currentGestureCoords.cbegin(),
+                                         mPointerGesture.currentGestureIdToIndex.cbegin(),
                                          mPointerGesture.currentGestureIdBits,
                                          mPointerController->getDisplayId());
         }
@@ -2498,6 +2545,10 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
     // Send events!
     int32_t metaState = getContext()->getGlobalMetaState();
     int32_t buttonState = mCurrentCookedState.buttonState;
+    const MotionClassification classification =
+            mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE
+            ? MotionClassification::TWO_FINGER_SWIPE
+            : MotionClassification::NONE;
 
     uint32_t flags = 0;
 
@@ -2534,11 +2585,15 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
     BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits);
     if (!dispatchedGestureIdBits.isEmpty()) {
         if (cancelPreviousGesture) {
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0,
-                           flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                           mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords,
-                           mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0,
-                           mPointerGesture.downTime);
+            const uint32_t cancelFlags = flags | AMOTION_EVENT_FLAG_CANCELED;
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_CANCEL, 0, cancelFlags, metaState,
+                                         buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                         mPointerGesture.lastGestureProperties,
+                                         mPointerGesture.lastGestureCoords,
+                                         mPointerGesture.lastGestureIdToIndex,
+                                         dispatchedGestureIdBits, -1, 0, 0,
+                                         mPointerGesture.downTime, classification));
 
             dispatchedGestureIdBits.clear();
         } else {
@@ -2552,12 +2607,14 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
             while (!upGestureIdBits.isEmpty()) {
                 uint32_t id = upGestureIdBits.clearFirstMarkedBit();
 
-                dispatchMotion(when, readTime, policyFlags, mSource,
-                               AMOTION_EVENT_ACTION_POINTER_UP, 0, flags, metaState, buttonState,
-                               AMOTION_EVENT_EDGE_FLAG_NONE, mPointerGesture.lastGestureProperties,
-                               mPointerGesture.lastGestureCoords,
-                               mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, id, 0,
-                               0, mPointerGesture.downTime);
+                out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                             AMOTION_EVENT_ACTION_POINTER_UP, 0, flags, metaState,
+                                             buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                             mPointerGesture.lastGestureProperties,
+                                             mPointerGesture.lastGestureCoords,
+                                             mPointerGesture.lastGestureIdToIndex,
+                                             dispatchedGestureIdBits, id, 0, 0,
+                                             mPointerGesture.downTime, classification));
 
                 dispatchedGestureIdBits.clearBit(id);
             }
@@ -2566,12 +2623,13 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
 
     // Send motion events for all pointers that moved.
     if (moveNeeded) {
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, flags,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.currentGestureProperties,
-                       mPointerGesture.currentGestureCoords,
-                       mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0,
-                       mPointerGesture.downTime);
+        out.push_back(
+                dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0,
+                               flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                               mPointerGesture.currentGestureProperties,
+                               mPointerGesture.currentGestureCoords,
+                               mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, -1,
+                               0, 0, mPointerGesture.downTime, classification));
     }
 
     // Send motion events for all pointers that went down.
@@ -2586,23 +2644,26 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
                 mPointerGesture.downTime = when;
             }
 
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN,
-                           0, flags, metaState, buttonState, 0,
-                           mPointerGesture.currentGestureProperties,
-                           mPointerGesture.currentGestureCoords,
-                           mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, id, 0,
-                           0, mPointerGesture.downTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_POINTER_DOWN, 0, flags, metaState,
+                                         buttonState, 0, mPointerGesture.currentGestureProperties,
+                                         mPointerGesture.currentGestureCoords,
+                                         mPointerGesture.currentGestureIdToIndex,
+                                         dispatchedGestureIdBits, id, 0, 0,
+                                         mPointerGesture.downTime, classification));
         }
     }
 
     // Send motion events for hover.
     if (mPointerGesture.currentGestureMode == PointerGesture::Mode::HOVER) {
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
-                       flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.currentGestureProperties,
-                       mPointerGesture.currentGestureCoords,
-                       mPointerGesture.currentGestureIdToIndex,
-                       mPointerGesture.currentGestureIdBits, -1, 0, 0, mPointerGesture.downTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags, metaState,
+                                     buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mPointerGesture.currentGestureProperties,
+                                     mPointerGesture.currentGestureCoords,
+                                     mPointerGesture.currentGestureIdToIndex,
+                                     mPointerGesture.currentGestureIdBits, -1, 0, 0,
+                                     mPointerGesture.downTime, MotionClassification::NONE));
     } else if (dispatchedGestureIdBits.isEmpty() && !mPointerGesture.lastGestureIdBits.isEmpty()) {
         // Synthesize a hover move event after all pointers go up to indicate that
         // the pointer is hovering again even if the user is not currently touching
@@ -2622,12 +2683,13 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
 
         const int32_t displayId = mPointerController->getDisplayId();
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags,
-                              metaState, buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords,
-                              0, 0, x, y, mPointerGesture.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags,
+                                       AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags, metaState,
+                                       buttonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                       &pointerCoords, 0, 0, x, y, mPointerGesture.downTime,
+                                       /* videoFrames */ {}));
     }
 
     // Update state.
@@ -2646,18 +2708,28 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, u
             mPointerGesture.lastGestureIdToIndex[id] = index;
         }
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags) {
+    const MotionClassification classification =
+            mPointerGesture.lastGestureMode == PointerGesture::Mode::SWIPE
+            ? MotionClassification::TWO_FINGER_SWIPE
+            : MotionClassification::NONE;
+    std::list<NotifyArgs> out;
     // Cancel previously dispatches pointers.
     if (!mPointerGesture.lastGestureIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         int32_t buttonState = mCurrentRawState.buttonState;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords,
-                       mPointerGesture.lastGestureIdToIndex, mPointerGesture.lastGestureIdBits, -1,
-                       0, 0, mPointerGesture.downTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_CANCEL, 0, AMOTION_EVENT_FLAG_CANCELED,
+                                     metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mPointerGesture.lastGestureProperties,
+                                     mPointerGesture.lastGestureCoords,
+                                     mPointerGesture.lastGestureIdToIndex,
+                                     mPointerGesture.lastGestureIdBits, -1, 0, 0,
+                                     mPointerGesture.downTime, classification));
     }
 
     // Reset the current pointer gesture.
@@ -2669,6 +2741,7 @@ void TouchInputMapper::abortPointerGestures(nsecs_t when, nsecs_t readTime, uint
         mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         mPointerController->clearSpots();
     }
+    return out;
 }
 
 bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture,
@@ -2678,9 +2751,7 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
 
     // Handle TAP timeout.
     if (isTimeout) {
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: Processing timeout");
-        }
+        ALOGD_IF(DEBUG_GESTURES, "Gestures: Processing timeout");
 
         if (mPointerGesture.lastGestureMode == PointerGesture::Mode::TAP) {
             if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
@@ -2689,9 +2760,7 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
                                                    mConfig.pointerGestureTapDragInterval);
             } else {
                 // The tap is finished.
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: TAP finished");
-                }
+                ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP finished");
                 *outFinishPreviousGesture = true;
 
                 mPointerGesture.activeGestureId = -1;
@@ -2712,17 +2781,18 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
 
     // Update the velocity tracker.
     {
-        std::vector<VelocityTracker::Position> positions;
+        std::vector<float> positionsX;
+        std::vector<float> positionsY;
         for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) {
             uint32_t id = idBits.clearFirstMarkedBit();
             const RawPointerData::Pointer& pointer =
                     mCurrentRawState.rawPointerData.pointerForId(id);
-            float x = pointer.x * mPointerXMovementScale;
-            float y = pointer.y * mPointerYMovementScale;
-            positions.push_back({x, y});
+            positionsX.push_back(pointer.x * mPointerXMovementScale);
+            positionsY.push_back(pointer.y * mPointerYMovementScale);
         }
         mPointerGesture.velocityTracker.addMovement(when, mCurrentCookedState.fingerIdBits,
-                                                    positions);
+                                                    {{AMOTION_EVENT_AXIS_X, positionsX},
+                                                     {AMOTION_EVENT_AXIS_Y, positionsY}});
     }
 
     // If the gesture ever enters a mode other than TAP, HOVER or TAP_DRAG, without first returning
@@ -2738,60 +2808,24 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
     // Otherwise choose an arbitrary remaining pointer.
     // This guarantees we always have an active touch id when there is at least one pointer.
     // We keep the same active touch id for as long as possible.
-    int32_t lastActiveTouchId = mPointerGesture.activeTouchId;
-    int32_t activeTouchId = lastActiveTouchId;
-    if (activeTouchId < 0) {
+    if (mPointerGesture.activeTouchId < 0) {
         if (!mCurrentCookedState.fingerIdBits.isEmpty()) {
-            activeTouchId = mPointerGesture.activeTouchId =
-                    mCurrentCookedState.fingerIdBits.firstMarkedBit();
+            mPointerGesture.activeTouchId = mCurrentCookedState.fingerIdBits.firstMarkedBit();
             mPointerGesture.firstTouchTime = when;
         }
-    } else if (!mCurrentCookedState.fingerIdBits.hasBit(activeTouchId)) {
-        if (!mCurrentCookedState.fingerIdBits.isEmpty()) {
-            activeTouchId = mPointerGesture.activeTouchId =
-                    mCurrentCookedState.fingerIdBits.firstMarkedBit();
-        } else {
-            activeTouchId = mPointerGesture.activeTouchId = -1;
-        }
-    }
-
-    // Determine whether we are in quiet time.
-    bool isQuietTime = false;
-    if (activeTouchId < 0) {
-        mPointerGesture.resetQuietTime();
-    } else {
-        isQuietTime = when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval;
-        if (!isQuietTime) {
-            if ((mPointerGesture.lastGestureMode == PointerGesture::Mode::PRESS ||
-                 mPointerGesture.lastGestureMode == PointerGesture::Mode::SWIPE ||
-                 mPointerGesture.lastGestureMode == PointerGesture::Mode::FREEFORM) &&
-                currentFingerCount < 2) {
-                // Enter quiet time when exiting swipe or freeform state.
-                // This is to prevent accidentally entering the hover state and flinging the
-                // pointer when finishing a swipe and there is still one pointer left onscreen.
-                isQuietTime = true;
-            } else if (mPointerGesture.lastGestureMode ==
-                               PointerGesture::Mode::BUTTON_CLICK_OR_DRAG &&
-                       currentFingerCount >= 2 && !isPointerDown(mCurrentRawState.buttonState)) {
-                // Enter quiet time when releasing the button and there are still two or more
-                // fingers down.  This may indicate that one finger was used to press the button
-                // but it has not gone up yet.
-                isQuietTime = true;
-            }
-            if (isQuietTime) {
-                mPointerGesture.quietTime = when;
-            }
-        }
+    } else if (!mCurrentCookedState.fingerIdBits.hasBit(mPointerGesture.activeTouchId)) {
+        mPointerGesture.activeTouchId = !mCurrentCookedState.fingerIdBits.isEmpty()
+                ? mCurrentCookedState.fingerIdBits.firstMarkedBit()
+                : -1;
     }
+    const int32_t& activeTouchId = mPointerGesture.activeTouchId;
 
     // Switch states based on button and pointer state.
-    if (isQuietTime) {
+    if (checkForTouchpadQuietTime(when)) {
         // Case 1: Quiet time. (QUIET)
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: QUIET for next %0.3fms",
-                  (mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval - when) *
-                          0.000001f);
-        }
+        ALOGD_IF(DEBUG_GESTURES, "Gestures: QUIET for next %0.3fms",
+                 (mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval - when) *
+                         0.000001f);
         if (mPointerGesture.lastGestureMode != PointerGesture::Mode::QUIET) {
             *outFinishPreviousGesture = true;
         }
@@ -2815,11 +2849,9 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
         // active.  If the user first puts one finger down to click then adds another
         // finger to drag then the active pointer should switch to the finger that is
         // being dragged.
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, "
-                  "currentFingerCount=%d",
-                  activeTouchId, currentFingerCount);
-        }
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, currentFingerCount=%d",
+                 activeTouchId, currentFingerCount);
         // Reset state when just starting.
         if (mPointerGesture.lastGestureMode != PointerGesture::Mode::BUTTON_CLICK_OR_DRAG) {
             *outFinishPreviousGesture = true;
@@ -2829,45 +2861,20 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
         // Switch pointers if needed.
         // Find the fastest pointer and follow it.
         if (activeTouchId >= 0 && currentFingerCount > 1) {
-            int32_t bestId = -1;
-            float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
-            for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) {
-                uint32_t id = idBits.clearFirstMarkedBit();
-                float vx, vy;
-                if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) {
-                    float speed = hypotf(vx, vy);
-                    if (speed > bestSpeed) {
-                        bestId = id;
-                        bestSpeed = speed;
-                    }
-                }
-            }
+            const auto [bestId, bestSpeed] = getFastestFinger();
             if (bestId >= 0 && bestId != activeTouchId) {
-                mPointerGesture.activeTouchId = activeTouchId = bestId;
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, "
-                          "bestId=%d, bestSpeed=%0.3f",
-                          bestId, bestSpeed);
-                }
+                mPointerGesture.activeTouchId = bestId;
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: BUTTON_CLICK_OR_DRAG switched pointers, bestId=%d, "
+                         "bestSpeed=%0.3f",
+                         bestId, bestSpeed);
             }
         }
 
-        float deltaX = 0, deltaY = 0;
         if (activeTouchId >= 0 && mLastCookedState.fingerIdBits.hasBit(activeTouchId)) {
-            const RawPointerData::Pointer& currentPointer =
-                    mCurrentRawState.rawPointerData.pointerForId(activeTouchId);
-            const RawPointerData::Pointer& lastPointer =
-                    mLastRawState.rawPointerData.pointerForId(activeTouchId);
-            deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
-            deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            // Move the pointer using a relative motion.
             // When using spots, the click will occur at the position of the anchor
             // spot and all other spots will move there.
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, activeTouchId);
         } else {
             mPointerVelocityControl.reset();
         }
@@ -2903,9 +2910,7 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
                 mPointerController->getPosition(&x, &y);
                 if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop &&
                     fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: TAP");
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP");
 
                     mPointerGesture.tapUpTime = when;
                     getContext()->requestTimeoutAtTime(when +
@@ -2931,10 +2936,8 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
 
                     tapped = true;
                 } else {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f", x - mPointerGesture.tapX,
-                              y - mPointerGesture.tapY);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP, deltaX=%f, deltaY=%f",
+                             x - mPointerGesture.tapX, y - mPointerGesture.tapY);
                 }
             } else {
                 if (DEBUG_GESTURES) {
@@ -2951,9 +2954,7 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
         mPointerVelocityControl.reset();
 
         if (!tapped) {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: NEUTRAL");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: NEUTRAL");
             mPointerGesture.activeGestureId = -1;
             mPointerGesture.currentGestureMode = PointerGesture::Mode::NEUTRAL;
             mPointerGesture.currentGestureIdBits.clear();
@@ -2974,50 +2975,30 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
                     fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
                     mPointerGesture.currentGestureMode = PointerGesture::Mode::TAP_DRAG;
                 } else {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
-                              x - mPointerGesture.tapX, y - mPointerGesture.tapY);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
+                             x - mPointerGesture.tapX, y - mPointerGesture.tapY);
                 }
             } else {
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up",
-                          (when - mPointerGesture.tapUpTime) * 0.000001f);
-                }
+                ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP_DRAG, %0.3fms time since up",
+                         (when - mPointerGesture.tapUpTime) * 0.000001f);
             }
         } else if (mPointerGesture.lastGestureMode == PointerGesture::Mode::TAP_DRAG) {
             mPointerGesture.currentGestureMode = PointerGesture::Mode::TAP_DRAG;
         }
 
-        float deltaX = 0, deltaY = 0;
         if (mLastCookedState.fingerIdBits.hasBit(activeTouchId)) {
-            const RawPointerData::Pointer& currentPointer =
-                    mCurrentRawState.rawPointerData.pointerForId(activeTouchId);
-            const RawPointerData::Pointer& lastPointer =
-                    mLastRawState.rawPointerData.pointerForId(activeTouchId);
-            deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
-            deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            // Move the pointer using a relative motion.
             // When using spots, the hover or drag will occur at the position of the anchor spot.
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, activeTouchId);
         } else {
             mPointerVelocityControl.reset();
         }
 
         bool down;
         if (mPointerGesture.currentGestureMode == PointerGesture::Mode::TAP_DRAG) {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: TAP_DRAG");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP_DRAG");
             down = true;
         } else {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: HOVER");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: HOVER");
             if (mPointerGesture.lastGestureMode != PointerGesture::Mode::HOVER) {
                 *outFinishPreviousGesture = true;
             }
@@ -3048,391 +3029,453 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPrevi
         }
     } else {
         // Case 5. At least two fingers down, button is not pressed. (PRESS, SWIPE or FREEFORM)
-        // We need to provide feedback for each finger that goes down so we cannot wait
-        // for the fingers to move before deciding what to do.
-        //
-        // The ambiguous case is deciding what to do when there are two fingers down but they
-        // have not moved enough to determine whether they are part of a drag or part of a
-        // freeform gesture, or just a press or long-press at the pointer location.
-        //
-        // When there are two fingers we start with the PRESS hypothesis and we generate a
-        // down at the pointer location.
-        //
-        // When the two fingers move enough or when additional fingers are added, we make
-        // a decision to transition into SWIPE or FREEFORM mode accordingly.
-        ALOG_ASSERT(activeTouchId >= 0);
+        prepareMultiFingerPointerGestures(when, outCancelPreviousGesture, outFinishPreviousGesture);
+    }
 
-        bool settled = when >=
-                mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval;
-        if (mPointerGesture.lastGestureMode != PointerGesture::Mode::PRESS &&
-            mPointerGesture.lastGestureMode != PointerGesture::Mode::SWIPE &&
-            mPointerGesture.lastGestureMode != PointerGesture::Mode::FREEFORM) {
-            *outFinishPreviousGesture = true;
-        } else if (!settled && currentFingerCount > lastFingerCount) {
-            // Additional pointers have gone down but not yet settled.
-            // Reset the gesture.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: Resetting gesture since additional pointers went down for "
-                      "MULTITOUCH, settle time remaining %0.3fms",
-                      (mPointerGesture.firstTouchTime +
-                       mConfig.pointerGestureMultitouchSettleInterval - when) *
-                              0.000001f);
-            }
-            *outCancelPreviousGesture = true;
-        } else {
-            // Continue previous gesture.
-            mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode;
+    mPointerController->setButtonState(mCurrentRawState.buttonState);
+
+    if (DEBUG_GESTURES) {
+        ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, "
+              "currentGestureMode=%d, currentGestureIdBits=0x%08x, "
+              "lastGestureMode=%d, lastGestureIdBits=0x%08x",
+              toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture),
+              mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value,
+              mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value);
+        for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty();) {
+            uint32_t id = idBits.clearFirstMarkedBit();
+            uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
+            const PointerProperties& properties = mPointerGesture.currentGestureProperties[index];
+            const PointerCoords& coords = mPointerGesture.currentGestureCoords[index];
+            ALOGD("  currentGesture[%d]: index=%d, toolType=%d, "
+                  "x=%0.3f, y=%0.3f, pressure=%0.3f",
+                  id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X),
+                  coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
+                  coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
         }
+        for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty();) {
+            uint32_t id = idBits.clearFirstMarkedBit();
+            uint32_t index = mPointerGesture.lastGestureIdToIndex[id];
+            const PointerProperties& properties = mPointerGesture.lastGestureProperties[index];
+            const PointerCoords& coords = mPointerGesture.lastGestureCoords[index];
+            ALOGD("  lastGesture[%d]: index=%d, toolType=%d, "
+                  "x=%0.3f, y=%0.3f, pressure=%0.3f",
+                  id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X),
+                  coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
+                  coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+        }
+    }
+    return true;
+}
 
-        if (*outFinishPreviousGesture || *outCancelPreviousGesture) {
-            mPointerGesture.currentGestureMode = PointerGesture::Mode::PRESS;
-            mPointerGesture.activeGestureId = 0;
-            mPointerGesture.referenceIdBits.clear();
-            mPointerVelocityControl.reset();
+bool TouchInputMapper::checkForTouchpadQuietTime(nsecs_t when) {
+    if (mPointerGesture.activeTouchId < 0) {
+        mPointerGesture.resetQuietTime();
+        return false;
+    }
+
+    if (when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval) {
+        return true;
+    }
+
+    const uint32_t currentFingerCount = mCurrentCookedState.fingerIdBits.count();
+    bool isQuietTime = false;
+    if ((mPointerGesture.lastGestureMode == PointerGesture::Mode::PRESS ||
+         mPointerGesture.lastGestureMode == PointerGesture::Mode::SWIPE ||
+         mPointerGesture.lastGestureMode == PointerGesture::Mode::FREEFORM) &&
+        currentFingerCount < 2) {
+        // Enter quiet time when exiting swipe or freeform state.
+        // This is to prevent accidentally entering the hover state and flinging the
+        // pointer when finishing a swipe and there is still one pointer left onscreen.
+        isQuietTime = true;
+    } else if (mPointerGesture.lastGestureMode == PointerGesture::Mode::BUTTON_CLICK_OR_DRAG &&
+               currentFingerCount >= 2 && !isPointerDown(mCurrentRawState.buttonState)) {
+        // Enter quiet time when releasing the button and there are still two or more
+        // fingers down.  This may indicate that one finger was used to press the button
+        // but it has not gone up yet.
+        isQuietTime = true;
+    }
+    if (isQuietTime) {
+        mPointerGesture.quietTime = when;
+    }
+    return isQuietTime;
+}
 
-            // Use the centroid and pointer location as the reference points for the gesture.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: Using centroid as reference for MULTITOUCH, "
-                      "settle time remaining %0.3fms",
-                      (mPointerGesture.firstTouchTime +
-                       mConfig.pointerGestureMultitouchSettleInterval - when) *
-                              0.000001f);
+std::pair<int32_t, float> TouchInputMapper::getFastestFinger() {
+    int32_t bestId = -1;
+    float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
+    for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) {
+        uint32_t id = idBits.clearFirstMarkedBit();
+        std::optional<float> vx =
+                mPointerGesture.velocityTracker.getVelocity(AMOTION_EVENT_AXIS_X, id);
+        std::optional<float> vy =
+                mPointerGesture.velocityTracker.getVelocity(AMOTION_EVENT_AXIS_Y, id);
+        if (vx && vy) {
+            float speed = hypotf(*vx, *vy);
+            if (speed > bestSpeed) {
+                bestId = id;
+                bestSpeed = speed;
             }
-            mCurrentRawState.rawPointerData
-                    .getCentroidOfTouchingPointers(&mPointerGesture.referenceTouchX,
-                                                   &mPointerGesture.referenceTouchY);
-            mPointerController->getPosition(&mPointerGesture.referenceGestureX,
-                                            &mPointerGesture.referenceGestureY);
         }
+    }
+    return std::make_pair(bestId, bestSpeed);
+}
 
-        // Clear the reference deltas for fingers not yet included in the reference calculation.
-        for (BitSet32 idBits(mCurrentCookedState.fingerIdBits.value &
-                             ~mPointerGesture.referenceIdBits.value);
-             !idBits.isEmpty();) {
-            uint32_t id = idBits.clearFirstMarkedBit();
-            mPointerGesture.referenceDeltas[id].dx = 0;
-            mPointerGesture.referenceDeltas[id].dy = 0;
+void TouchInputMapper::prepareMultiFingerPointerGestures(nsecs_t when, bool* cancelPreviousGesture,
+                                                         bool* finishPreviousGesture) {
+    // We need to provide feedback for each finger that goes down so we cannot wait for the fingers
+    // to move before deciding what to do.
+    //
+    // The ambiguous case is deciding what to do when there are two fingers down but they have not
+    // moved enough to determine whether they are part of a drag or part of a freeform gesture, or
+    // just a press or long-press at the pointer location.
+    //
+    // When there are two fingers we start with the PRESS hypothesis and we generate a down at the
+    // pointer location.
+    //
+    // When the two fingers move enough or when additional fingers are added, we make a decision to
+    // transition into SWIPE or FREEFORM mode accordingly.
+    const int32_t activeTouchId = mPointerGesture.activeTouchId;
+    ALOG_ASSERT(activeTouchId >= 0);
+
+    const uint32_t currentFingerCount = mCurrentCookedState.fingerIdBits.count();
+    const uint32_t lastFingerCount = mLastCookedState.fingerIdBits.count();
+    bool settled =
+            when >= mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval;
+    if (mPointerGesture.lastGestureMode != PointerGesture::Mode::PRESS &&
+        mPointerGesture.lastGestureMode != PointerGesture::Mode::SWIPE &&
+        mPointerGesture.lastGestureMode != PointerGesture::Mode::FREEFORM) {
+        *finishPreviousGesture = true;
+    } else if (!settled && currentFingerCount > lastFingerCount) {
+        // Additional pointers have gone down but not yet settled.
+        // Reset the gesture.
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: Resetting gesture since additional pointers went down for "
+                 "MULTITOUCH, settle time remaining %0.3fms",
+                 (mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval -
+                  when) * 0.000001f);
+        *cancelPreviousGesture = true;
+    } else {
+        // Continue previous gesture.
+        mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode;
+    }
+
+    if (*finishPreviousGesture || *cancelPreviousGesture) {
+        mPointerGesture.currentGestureMode = PointerGesture::Mode::PRESS;
+        mPointerGesture.activeGestureId = 0;
+        mPointerGesture.referenceIdBits.clear();
+        mPointerVelocityControl.reset();
+
+        // Use the centroid and pointer location as the reference points for the gesture.
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: Using centroid as reference for MULTITOUCH, settle time remaining "
+                 "%0.3fms",
+                 (mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval -
+                  when) * 0.000001f);
+        mCurrentRawState.rawPointerData
+                .getCentroidOfTouchingPointers(&mPointerGesture.referenceTouchX,
+                                               &mPointerGesture.referenceTouchY);
+        mPointerController->getPosition(&mPointerGesture.referenceGestureX,
+                                        &mPointerGesture.referenceGestureY);
+    }
+
+    // Clear the reference deltas for fingers not yet included in the reference calculation.
+    for (BitSet32 idBits(mCurrentCookedState.fingerIdBits.value &
+                         ~mPointerGesture.referenceIdBits.value);
+         !idBits.isEmpty();) {
+        uint32_t id = idBits.clearFirstMarkedBit();
+        mPointerGesture.referenceDeltas[id].dx = 0;
+        mPointerGesture.referenceDeltas[id].dy = 0;
+    }
+    mPointerGesture.referenceIdBits = mCurrentCookedState.fingerIdBits;
+
+    // Add delta for all fingers and calculate a common movement delta.
+    int32_t commonDeltaRawX = 0, commonDeltaRawY = 0;
+    BitSet32 commonIdBits(mLastCookedState.fingerIdBits.value &
+                          mCurrentCookedState.fingerIdBits.value);
+    for (BitSet32 idBits(commonIdBits); !idBits.isEmpty();) {
+        bool first = (idBits == commonIdBits);
+        uint32_t id = idBits.clearFirstMarkedBit();
+        const RawPointerData::Pointer& cpd = mCurrentRawState.rawPointerData.pointerForId(id);
+        const RawPointerData::Pointer& lpd = mLastRawState.rawPointerData.pointerForId(id);
+        PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
+        delta.dx += cpd.x - lpd.x;
+        delta.dy += cpd.y - lpd.y;
+
+        if (first) {
+            commonDeltaRawX = delta.dx;
+            commonDeltaRawY = delta.dy;
+        } else {
+            commonDeltaRawX = calculateCommonVector(commonDeltaRawX, delta.dx);
+            commonDeltaRawY = calculateCommonVector(commonDeltaRawY, delta.dy);
         }
-        mPointerGesture.referenceIdBits = mCurrentCookedState.fingerIdBits;
+    }
 
-        // Add delta for all fingers and calculate a common movement delta.
-        float commonDeltaX = 0, commonDeltaY = 0;
-        BitSet32 commonIdBits(mLastCookedState.fingerIdBits.value &
-                              mCurrentCookedState.fingerIdBits.value);
-        for (BitSet32 idBits(commonIdBits); !idBits.isEmpty();) {
-            bool first = (idBits == commonIdBits);
+    // Consider transitions from PRESS to SWIPE or MULTITOUCH.
+    if (mPointerGesture.currentGestureMode == PointerGesture::Mode::PRESS) {
+        float dist[MAX_POINTER_ID + 1];
+        int32_t distOverThreshold = 0;
+        for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) {
             uint32_t id = idBits.clearFirstMarkedBit();
-            const RawPointerData::Pointer& cpd = mCurrentRawState.rawPointerData.pointerForId(id);
-            const RawPointerData::Pointer& lpd = mLastRawState.rawPointerData.pointerForId(id);
             PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
-            delta.dx += cpd.x - lpd.x;
-            delta.dy += cpd.y - lpd.y;
-
-            if (first) {
-                commonDeltaX = delta.dx;
-                commonDeltaY = delta.dy;
-            } else {
-                commonDeltaX = calculateCommonVector(commonDeltaX, delta.dx);
-                commonDeltaY = calculateCommonVector(commonDeltaY, delta.dy);
+            dist[id] = hypotf(delta.dx * mPointerXZoomScale, delta.dy * mPointerYZoomScale);
+            if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) {
+                distOverThreshold += 1;
             }
         }
 
-        // Consider transitions from PRESS to SWIPE or MULTITOUCH.
-        if (mPointerGesture.currentGestureMode == PointerGesture::Mode::PRESS) {
-            float dist[MAX_POINTER_ID + 1];
-            int32_t distOverThreshold = 0;
-            for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) {
-                uint32_t id = idBits.clearFirstMarkedBit();
-                PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
-                dist[id] = hypotf(delta.dx * mPointerXZoomScale, delta.dy * mPointerYZoomScale);
-                if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) {
-                    distOverThreshold += 1;
-                }
-            }
-
-            // Only transition when at least two pointers have moved further than
-            // the minimum distance threshold.
-            if (distOverThreshold >= 2) {
-                if (currentFingerCount > 2) {
-                    // There are more than two pointers, switch to FREEFORM.
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
-                              currentFingerCount);
-                    }
-                    *outCancelPreviousGesture = true;
+        // Only transition when at least two pointers have moved further than
+        // the minimum distance threshold.
+        if (distOverThreshold >= 2) {
+            if (currentFingerCount > 2) {
+                // There are more than two pointers, switch to FREEFORM.
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
+                         currentFingerCount);
+                *cancelPreviousGesture = true;
+                mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
+            } else {
+                // There are exactly two pointers.
+                BitSet32 idBits(mCurrentCookedState.fingerIdBits);
+                uint32_t id1 = idBits.clearFirstMarkedBit();
+                uint32_t id2 = idBits.firstMarkedBit();
+                const RawPointerData::Pointer& p1 =
+                        mCurrentRawState.rawPointerData.pointerForId(id1);
+                const RawPointerData::Pointer& p2 =
+                        mCurrentRawState.rawPointerData.pointerForId(id2);
+                float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y);
+                if (mutualDistance > mPointerGestureMaxSwipeWidth) {
+                    // There are two pointers but they are too far apart for a SWIPE,
+                    // switch to FREEFORM.
+                    ALOGD_IF(DEBUG_GESTURES,
+                             "Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f",
+                             mutualDistance, mPointerGestureMaxSwipeWidth);
+                    *cancelPreviousGesture = true;
                     mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
                 } else {
-                    // There are exactly two pointers.
-                    BitSet32 idBits(mCurrentCookedState.fingerIdBits);
-                    uint32_t id1 = idBits.clearFirstMarkedBit();
-                    uint32_t id2 = idBits.firstMarkedBit();
-                    const RawPointerData::Pointer& p1 =
-                            mCurrentRawState.rawPointerData.pointerForId(id1);
-                    const RawPointerData::Pointer& p2 =
-                            mCurrentRawState.rawPointerData.pointerForId(id2);
-                    float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y);
-                    if (mutualDistance > mPointerGestureMaxSwipeWidth) {
-                        // There are two pointers but they are too far apart for a SWIPE,
-                        // switch to FREEFORM.
-                        if (DEBUG_GESTURES) {
-                            ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > "
-                                  "%0.3f",
-                                  mutualDistance, mPointerGestureMaxSwipeWidth);
-                        }
-                        *outCancelPreviousGesture = true;
-                        mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
-                    } else {
-                        // There are two pointers.  Wait for both pointers to start moving
-                        // before deciding whether this is a SWIPE or FREEFORM gesture.
-                        float dist1 = dist[id1];
-                        float dist2 = dist[id2];
-                        if (dist1 >= mConfig.pointerGestureMultitouchMinDistance &&
-                            dist2 >= mConfig.pointerGestureMultitouchMinDistance) {
-                            // Calculate the dot product of the displacement vectors.
-                            // When the vectors are oriented in approximately the same direction,
-                            // the angle betweeen them is near zero and the cosine of the angle
-                            // approches 1.0.  Recall that dot(v1, v2) = cos(angle) * mag(v1) *
-                            // mag(v2).
-                            PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1];
-                            PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2];
-                            float dx1 = delta1.dx * mPointerXZoomScale;
-                            float dy1 = delta1.dy * mPointerYZoomScale;
-                            float dx2 = delta2.dx * mPointerXZoomScale;
-                            float dy2 = delta2.dy * mPointerYZoomScale;
-                            float dot = dx1 * dx2 + dy1 * dy2;
-                            float cosine = dot / (dist1 * dist2); // denominator always > 0
-                            if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
-                                // Pointers are moving in the same direction.  Switch to SWIPE.
-                                if (DEBUG_GESTURES) {
-                                    ALOGD("Gestures: PRESS transitioned to SWIPE, "
-                                          "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
-                                          "cosine %0.3f >= %0.3f",
-                                          dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
-                                          mConfig.pointerGestureMultitouchMinDistance, cosine,
-                                          mConfig.pointerGestureSwipeTransitionAngleCosine);
-                                }
-                                mPointerGesture.currentGestureMode = PointerGesture::Mode::SWIPE;
-                            } else {
-                                // Pointers are moving in different directions.  Switch to FREEFORM.
-                                if (DEBUG_GESTURES) {
-                                    ALOGD("Gestures: PRESS transitioned to FREEFORM, "
-                                          "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
-                                          "cosine %0.3f < %0.3f",
-                                          dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
-                                          mConfig.pointerGestureMultitouchMinDistance, cosine,
-                                          mConfig.pointerGestureSwipeTransitionAngleCosine);
-                                }
-                                *outCancelPreviousGesture = true;
-                                mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
-                            }
+                    // There are two pointers.  Wait for both pointers to start moving
+                    // before deciding whether this is a SWIPE or FREEFORM gesture.
+                    float dist1 = dist[id1];
+                    float dist2 = dist[id2];
+                    if (dist1 >= mConfig.pointerGestureMultitouchMinDistance &&
+                        dist2 >= mConfig.pointerGestureMultitouchMinDistance) {
+                        // Calculate the dot product of the displacement vectors.
+                        // When the vectors are oriented in approximately the same direction,
+                        // the angle betweeen them is near zero and the cosine of the angle
+                        // approaches 1.0.  Recall that dot(v1, v2) = cos(angle) * mag(v1) *
+                        // mag(v2).
+                        PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1];
+                        PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2];
+                        float dx1 = delta1.dx * mPointerXZoomScale;
+                        float dy1 = delta1.dy * mPointerYZoomScale;
+                        float dx2 = delta2.dx * mPointerXZoomScale;
+                        float dy2 = delta2.dy * mPointerYZoomScale;
+                        float dot = dx1 * dx2 + dy1 * dy2;
+                        float cosine = dot / (dist1 * dist2); // denominator always > 0
+                        if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
+                            // Pointers are moving in the same direction.  Switch to SWIPE.
+                            ALOGD_IF(DEBUG_GESTURES,
+                                     "Gestures: PRESS transitioned to SWIPE, "
+                                     "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+                                     "cosine %0.3f >= %0.3f",
+                                     dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
+                                     mConfig.pointerGestureMultitouchMinDistance, cosine,
+                                     mConfig.pointerGestureSwipeTransitionAngleCosine);
+                            mPointerGesture.currentGestureMode = PointerGesture::Mode::SWIPE;
+                        } else {
+                            // Pointers are moving in different directions.  Switch to FREEFORM.
+                            ALOGD_IF(DEBUG_GESTURES,
+                                     "Gestures: PRESS transitioned to FREEFORM, "
+                                     "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+                                     "cosine %0.3f < %0.3f",
+                                     dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
+                                     mConfig.pointerGestureMultitouchMinDistance, cosine,
+                                     mConfig.pointerGestureSwipeTransitionAngleCosine);
+                            *cancelPreviousGesture = true;
+                            mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
                         }
                     }
                 }
             }
-        } else if (mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
-            // Switch from SWIPE to FREEFORM if additional pointers go down.
-            // Cancel previous gesture.
-            if (currentFingerCount > 2) {
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
-                          currentFingerCount);
-                }
-                *outCancelPreviousGesture = true;
-                mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
-            }
         }
+    } else if (mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
+        // Switch from SWIPE to FREEFORM if additional pointers go down.
+        // Cancel previous gesture.
+        if (currentFingerCount > 2) {
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
+                     currentFingerCount);
+            *cancelPreviousGesture = true;
+            mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
+        }
+    }
 
-        // Move the reference points based on the overall group motion of the fingers
-        // except in PRESS mode while waiting for a transition to occur.
-        if (mPointerGesture.currentGestureMode != PointerGesture::Mode::PRESS &&
-            (commonDeltaX || commonDeltaY)) {
-            for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) {
-                uint32_t id = idBits.clearFirstMarkedBit();
-                PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
-                delta.dx = 0;
-                delta.dy = 0;
-            }
+    // Move the reference points based on the overall group motion of the fingers
+    // except in PRESS mode while waiting for a transition to occur.
+    if (mPointerGesture.currentGestureMode != PointerGesture::Mode::PRESS &&
+        (commonDeltaRawX || commonDeltaRawY)) {
+        for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) {
+            uint32_t id = idBits.clearFirstMarkedBit();
+            PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
+            delta.dx = 0;
+            delta.dy = 0;
+        }
 
-            mPointerGesture.referenceTouchX += commonDeltaX;
-            mPointerGesture.referenceTouchY += commonDeltaY;
+        mPointerGesture.referenceTouchX += commonDeltaRawX;
+        mPointerGesture.referenceTouchY += commonDeltaRawY;
 
-            commonDeltaX *= mPointerXMovementScale;
-            commonDeltaY *= mPointerYMovementScale;
+        float commonDeltaX = commonDeltaRawX * mPointerXMovementScale;
+        float commonDeltaY = commonDeltaRawY * mPointerYMovementScale;
 
-            rotateDelta(mInputDeviceOrientation, &commonDeltaX, &commonDeltaY);
-            mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY);
+        rotateDelta(mInputDeviceOrientation, &commonDeltaX, &commonDeltaY);
+        mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY);
 
-            mPointerGesture.referenceGestureX += commonDeltaX;
-            mPointerGesture.referenceGestureY += commonDeltaY;
-        }
+        mPointerGesture.referenceGestureX += commonDeltaX;
+        mPointerGesture.referenceGestureY += commonDeltaY;
+    }
 
-        // Report gestures.
-        if (mPointerGesture.currentGestureMode == PointerGesture::Mode::PRESS ||
-            mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
-            // PRESS or SWIPE mode.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d,"
-                      "activeGestureId=%d, currentTouchPointerCount=%d",
-                      activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
-            }
-            ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
+    // Report gestures.
+    if (mPointerGesture.currentGestureMode == PointerGesture::Mode::PRESS ||
+        mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
+        // PRESS or SWIPE mode.
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: PRESS or SWIPE activeTouchId=%d, activeGestureId=%d, "
+                 "currentTouchPointerCount=%d",
+                 activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
+        ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
 
-            mPointerGesture.currentGestureIdBits.clear();
-            mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
-            mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
-            mPointerGesture.currentGestureProperties[0].clear();
-            mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
-            mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
-            mPointerGesture.currentGestureCoords[0].clear();
-            mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X,
-                                                                 mPointerGesture.referenceGestureX);
-            mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y,
-                                                                 mPointerGesture.referenceGestureY);
-            mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
-        } else if (mPointerGesture.currentGestureMode == PointerGesture::Mode::FREEFORM) {
-            // FREEFORM mode.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: FREEFORM activeTouchId=%d,"
-                      "activeGestureId=%d, currentTouchPointerCount=%d",
-                      activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
-            }
-            ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
+        mPointerGesture.currentGestureIdBits.clear();
+        mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
+        mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
+        mPointerGesture.currentGestureProperties[0].clear();
+        mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
+        mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+        mPointerGesture.currentGestureCoords[0].clear();
+        mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X,
+                                                             mPointerGesture.referenceGestureX);
+        mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                             mPointerGesture.referenceGestureY);
+        mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
+        if (mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
+            float xOffset = static_cast<float>(commonDeltaRawX) /
+                    (mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue);
+            float yOffset = static_cast<float>(commonDeltaRawY) /
+                    (mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue);
+            mPointerGesture.currentGestureCoords[0]
+                    .setAxisValue(AMOTION_EVENT_AXIS_GESTURE_X_OFFSET, xOffset);
+            mPointerGesture.currentGestureCoords[0]
+                    .setAxisValue(AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET, yOffset);
+        }
+    } else if (mPointerGesture.currentGestureMode == PointerGesture::Mode::FREEFORM) {
+        // FREEFORM mode.
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: FREEFORM activeTouchId=%d, activeGestureId=%d, "
+                 "currentTouchPointerCount=%d",
+                 activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
+        ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
 
-            mPointerGesture.currentGestureIdBits.clear();
+        mPointerGesture.currentGestureIdBits.clear();
 
-            BitSet32 mappedTouchIdBits;
-            BitSet32 usedGestureIdBits;
-            if (mPointerGesture.lastGestureMode != PointerGesture::Mode::FREEFORM) {
-                // Initially, assign the active gesture id to the active touch point
-                // if there is one.  No other touch id bits are mapped yet.
-                if (!*outCancelPreviousGesture) {
-                    mappedTouchIdBits.markBit(activeTouchId);
-                    usedGestureIdBits.markBit(mPointerGesture.activeGestureId);
-                    mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] =
-                            mPointerGesture.activeGestureId;
-                } else {
-                    mPointerGesture.activeGestureId = -1;
-                }
+        BitSet32 mappedTouchIdBits;
+        BitSet32 usedGestureIdBits;
+        if (mPointerGesture.lastGestureMode != PointerGesture::Mode::FREEFORM) {
+            // Initially, assign the active gesture id to the active touch point
+            // if there is one.  No other touch id bits are mapped yet.
+            if (!*cancelPreviousGesture) {
+                mappedTouchIdBits.markBit(activeTouchId);
+                usedGestureIdBits.markBit(mPointerGesture.activeGestureId);
+                mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] =
+                        mPointerGesture.activeGestureId;
             } else {
-                // Otherwise, assume we mapped all touches from the previous frame.
-                // Reuse all mappings that are still applicable.
-                mappedTouchIdBits.value = mLastCookedState.fingerIdBits.value &
-                        mCurrentCookedState.fingerIdBits.value;
-                usedGestureIdBits = mPointerGesture.lastGestureIdBits;
-
-                // Check whether we need to choose a new active gesture id because the
-                // current went went up.
-                for (BitSet32 upTouchIdBits(mLastCookedState.fingerIdBits.value &
-                                            ~mCurrentCookedState.fingerIdBits.value);
-                     !upTouchIdBits.isEmpty();) {
-                    uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit();
-                    uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId];
-                    if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) {
-                        mPointerGesture.activeGestureId = -1;
-                        break;
-                    }
-                }
-            }
-
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: FREEFORM follow up "
-                      "mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
-                      "activeGestureId=%d",
-                      mappedTouchIdBits.value, usedGestureIdBits.value,
-                      mPointerGesture.activeGestureId);
+                mPointerGesture.activeGestureId = -1;
             }
-
-            BitSet32 idBits(mCurrentCookedState.fingerIdBits);
-            for (uint32_t i = 0; i < currentFingerCount; i++) {
-                uint32_t touchId = idBits.clearFirstMarkedBit();
-                uint32_t gestureId;
-                if (!mappedTouchIdBits.hasBit(touchId)) {
-                    gestureId = usedGestureIdBits.markFirstUnmarkedBit();
-                    mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: FREEFORM "
-                              "new mapping for touch id %d -> gesture id %d",
-                              touchId, gestureId);
-                    }
-                } else {
-                    gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: FREEFORM "
-                              "existing mapping for touch id %d -> gesture id %d",
-                              touchId, gestureId);
-                    }
+        } else {
+            // Otherwise, assume we mapped all touches from the previous frame.
+            // Reuse all mappings that are still applicable.
+            mappedTouchIdBits.value =
+                    mLastCookedState.fingerIdBits.value & mCurrentCookedState.fingerIdBits.value;
+            usedGestureIdBits = mPointerGesture.lastGestureIdBits;
+
+            // Check whether we need to choose a new active gesture id because the
+            // current went went up.
+            for (BitSet32 upTouchIdBits(mLastCookedState.fingerIdBits.value &
+                                        ~mCurrentCookedState.fingerIdBits.value);
+                 !upTouchIdBits.isEmpty();) {
+                uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit();
+                uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId];
+                if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) {
+                    mPointerGesture.activeGestureId = -1;
+                    break;
                 }
-                mPointerGesture.currentGestureIdBits.markBit(gestureId);
-                mPointerGesture.currentGestureIdToIndex[gestureId] = i;
-
-                const RawPointerData::Pointer& pointer =
-                        mCurrentRawState.rawPointerData.pointerForId(touchId);
-                float deltaX = (pointer.x - mPointerGesture.referenceTouchX) * mPointerXZoomScale;
-                float deltaY = (pointer.y - mPointerGesture.referenceTouchY) * mPointerYZoomScale;
-                rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-
-                mPointerGesture.currentGestureProperties[i].clear();
-                mPointerGesture.currentGestureProperties[i].id = gestureId;
-                mPointerGesture.currentGestureProperties[i].toolType =
-                        AMOTION_EVENT_TOOL_TYPE_FINGER;
-                mPointerGesture.currentGestureCoords[i].clear();
-                mPointerGesture.currentGestureCoords[i]
-                        .setAxisValue(AMOTION_EVENT_AXIS_X,
-                                      mPointerGesture.referenceGestureX + deltaX);
-                mPointerGesture.currentGestureCoords[i]
-                        .setAxisValue(AMOTION_EVENT_AXIS_Y,
-                                      mPointerGesture.referenceGestureY + deltaY);
-                mPointerGesture.currentGestureCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
-                                                                     1.0f);
             }
+        }
 
-            if (mPointerGesture.activeGestureId < 0) {
-                mPointerGesture.activeGestureId =
-                        mPointerGesture.currentGestureIdBits.firstMarkedBit();
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: FREEFORM new activeGestureId=%d",
-                          mPointerGesture.activeGestureId);
-                }
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: FREEFORM follow up mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
+                 "activeGestureId=%d",
+                 mappedTouchIdBits.value, usedGestureIdBits.value, mPointerGesture.activeGestureId);
+
+        BitSet32 idBits(mCurrentCookedState.fingerIdBits);
+        for (uint32_t i = 0; i < currentFingerCount; i++) {
+            uint32_t touchId = idBits.clearFirstMarkedBit();
+            uint32_t gestureId;
+            if (!mappedTouchIdBits.hasBit(touchId)) {
+                gestureId = usedGestureIdBits.markFirstUnmarkedBit();
+                mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: FREEFORM new mapping for touch id %d -> gesture id %d", touchId,
+                         gestureId);
+            } else {
+                gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: FREEFORM existing mapping for touch id %d -> gesture id %d",
+                         touchId, gestureId);
             }
-        }
-    }
+            mPointerGesture.currentGestureIdBits.markBit(gestureId);
+            mPointerGesture.currentGestureIdToIndex[gestureId] = i;
 
-    mPointerController->setButtonState(mCurrentRawState.buttonState);
+            const RawPointerData::Pointer& pointer =
+                    mCurrentRawState.rawPointerData.pointerForId(touchId);
+            float deltaX = (pointer.x - mPointerGesture.referenceTouchX) * mPointerXZoomScale;
+            float deltaY = (pointer.y - mPointerGesture.referenceTouchY) * mPointerYZoomScale;
+            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
 
-    if (DEBUG_GESTURES) {
-        ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, "
-              "currentGestureMode=%d, currentGestureIdBits=0x%08x, "
-              "lastGestureMode=%d, lastGestureIdBits=0x%08x",
-              toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture),
-              mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value,
-              mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value);
-        for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty();) {
-            uint32_t id = idBits.clearFirstMarkedBit();
-            uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
-            const PointerProperties& properties = mPointerGesture.currentGestureProperties[index];
-            const PointerCoords& coords = mPointerGesture.currentGestureCoords[index];
-            ALOGD("  currentGesture[%d]: index=%d, toolType=%d, "
-                  "x=%0.3f, y=%0.3f, pressure=%0.3f",
-                  id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X),
-                  coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
-                  coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+            mPointerGesture.currentGestureProperties[i].clear();
+            mPointerGesture.currentGestureProperties[i].id = gestureId;
+            mPointerGesture.currentGestureProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+            mPointerGesture.currentGestureCoords[i].clear();
+            mPointerGesture.currentGestureCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X,
+                                                                 mPointerGesture.referenceGestureX +
+                                                                         deltaX);
+            mPointerGesture.currentGestureCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                                 mPointerGesture.referenceGestureY +
+                                                                         deltaY);
+            mPointerGesture.currentGestureCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
         }
-        for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty();) {
-            uint32_t id = idBits.clearFirstMarkedBit();
-            uint32_t index = mPointerGesture.lastGestureIdToIndex[id];
-            const PointerProperties& properties = mPointerGesture.lastGestureProperties[index];
-            const PointerCoords& coords = mPointerGesture.lastGestureCoords[index];
-            ALOGD("  lastGesture[%d]: index=%d, toolType=%d, "
-                  "x=%0.3f, y=%0.3f, pressure=%0.3f",
-                  id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X),
-                  coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
-                  coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+
+        if (mPointerGesture.activeGestureId < 0) {
+            mPointerGesture.activeGestureId = mPointerGesture.currentGestureIdBits.firstMarkedBit();
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: FREEFORM new activeGestureId=%d",
+                     mPointerGesture.activeGestureId);
         }
     }
-    return true;
 }
 
-void TouchInputMapper::dispatchPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+void TouchInputMapper::moveMousePointerFromPointerDelta(nsecs_t when, uint32_t pointerId) {
+    const RawPointerData::Pointer& currentPointer =
+            mCurrentRawState.rawPointerData.pointerForId(pointerId);
+    const RawPointerData::Pointer& lastPointer =
+            mLastRawState.rawPointerData.pointerForId(pointerId);
+    float deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
+    float deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
+
+    rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
+    mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+    mPointerController->move(deltaX, deltaY);
+}
+
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags) {
     mPointerSimple.currentCoords.clear();
     mPointerSimple.currentProperties.clear();
 
@@ -3461,35 +3504,24 @@ void TouchInputMapper::dispatchPointerStylus(nsecs_t when, nsecs_t readTime, uin
         hovering = false;
     }
 
-    dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
+    return dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
 }
 
-void TouchInputMapper::abortPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
-    abortPointerSimple(when, readTime, policyFlags);
+std::list<NotifyArgs> TouchInputMapper::abortPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags) {
+    return abortPointerSimple(when, readTime, policyFlags);
 }
 
-void TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags) {
     mPointerSimple.currentCoords.clear();
     mPointerSimple.currentProperties.clear();
 
     bool down, hovering;
     if (!mCurrentCookedState.mouseIdBits.isEmpty()) {
         uint32_t id = mCurrentCookedState.mouseIdBits.firstMarkedBit();
-        uint32_t currentIndex = mCurrentRawState.rawPointerData.idToIndex[id];
-        float deltaX = 0, deltaY = 0;
         if (mLastCookedState.mouseIdBits.hasBit(id)) {
-            uint32_t lastIndex = mCurrentRawState.rawPointerData.idToIndex[id];
-            deltaX = (mCurrentRawState.rawPointerData.pointers[currentIndex].x -
-                      mLastRawState.rawPointerData.pointers[lastIndex].x) *
-                    mPointerXMovementScale;
-            deltaY = (mCurrentRawState.rawPointerData.pointers[currentIndex].y -
-                      mLastRawState.rawPointerData.pointers[lastIndex].y) *
-                    mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, id);
         } else {
             mPointerVelocityControl.reset();
         }
@@ -3499,6 +3531,7 @@ void TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint
 
         float x, y;
         mPointerController->getPosition(&x, &y);
+        uint32_t currentIndex = mCurrentRawState.rawPointerData.idToIndex[id];
         mPointerSimple.currentCoords.copyFrom(
                 mCurrentCookedState.cookedPointerData.pointerCoords[currentIndex]);
         mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
@@ -3515,19 +3548,24 @@ void TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint
         hovering = false;
     }
 
-    dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
+    return dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
 }
 
-void TouchInputMapper::abortPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
-    abortPointerSimple(when, readTime, policyFlags);
+std::list<NotifyArgs> TouchInputMapper::abortPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out = abortPointerSimple(when, readTime, policyFlags);
 
     mPointerVelocityControl.reset();
+
+    return out;
 }
 
-void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                             bool down, bool hovering) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags, bool down,
+                                                              bool hovering) {
     LOG_ALWAYS_FATAL_IF(mDeviceMode != DeviceMode::POINTER,
                         "%s cannot be used when the device is not in POINTER mode.", __func__);
+    std::list<NotifyArgs> out;
     int32_t metaState = getContext()->getGlobalMetaState();
 
     if (down || hovering) {
@@ -3547,28 +3585,29 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uin
         mPointerSimple.down = false;
 
         // Send up.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_UP, 0, 0, metaState,
-                              mLastRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.lastProperties,
-                              &mPointerSimple.lastCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_UP, 0,
+                                       0, metaState, mLastRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     if (mPointerSimple.hovering && !hovering) {
         mPointerSimple.hovering = false;
 
         // Send hover exit.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0,
-                              metaState, mLastRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.lastProperties,
-                              &mPointerSimple.lastCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags,
+                                       AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState,
+                                       mLastRawState.buttonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     if (down) {
@@ -3577,25 +3616,26 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uin
             mPointerSimple.downTime = when;
 
             // Send down.
-            NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                                  displayId, policyFlags, AMOTION_EVENT_ACTION_DOWN, 0, 0,
-                                  metaState, mCurrentRawState.buttonState,
-                                  MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
-                                  &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
-                                  mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
-                                  yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&args);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, displayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_DOWN, 0, 0, metaState,
+                                           mCurrentRawState.buttonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                           &mPointerSimple.currentProperties,
+                                           &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                           mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                           mPointerSimple.downTime, /* videoFrames */ {}));
         }
 
         // Send move.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState,
-                              mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &mPointerSimple.currentCoords, mOrientedXPrecision,
-                              mOrientedYPrecision, xCursorPosition, yCursorPosition,
-                              mPointerSimple.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE,
+                                       0, 0, metaState, mCurrentRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.currentProperties,
+                                       &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                       mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                       mPointerSimple.downTime, /* videoFrames */ {}));
     }
 
     if (hovering) {
@@ -3603,25 +3643,26 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uin
             mPointerSimple.hovering = true;
 
             // Send hover enter.
-            NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                                  displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0,
-                                  metaState, mCurrentRawState.buttonState,
-                                  MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
-                                  &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
-                                  mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
-                                  yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&args);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, displayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
+                                           mCurrentRawState.buttonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                           &mPointerSimple.currentProperties,
+                                           &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                           mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                           mPointerSimple.downTime, /* videoFrames */ {}));
         }
 
         // Send hover move.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
-                              metaState, mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &mPointerSimple.currentCoords, mOrientedXPrecision,
-                              mOrientedYPrecision, xCursorPosition, yCursorPosition,
-                              mPointerSimple.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(
+                NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
+                                 displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
+                                 metaState, mCurrentRawState.buttonState,
+                                 MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                 &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+                                 mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                 yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {}));
     }
 
     if (mCurrentRawState.rawVScroll || mCurrentRawState.rawHScroll) {
@@ -3636,14 +3677,14 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uin
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
 
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
-                              mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &pointerCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL,
+                                       0, 0, metaState, mCurrentRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.currentProperties, &pointerCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     // Save state.
@@ -3657,38 +3698,38 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uin
     } else {
         mPointerSimple.reset();
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
-    mPointerSimple.currentCoords.clear();
-    mPointerSimple.currentProperties.clear();
-
+std::list<NotifyArgs> TouchInputMapper::abortPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mPointerSimple.down || mPointerSimple.hovering) {
         int32_t metaState = getContext()->getGlobalMetaState();
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(),
-                              mPointerSimple.source, mPointerSimple.displayId, policyFlags,
-                              AMOTION_EVENT_ACTION_CANCEL, 0, AMOTION_EVENT_FLAG_CANCELED,
-                              metaState, mLastRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.lastProperties,
-                              &mPointerSimple.lastCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              mPointerSimple.lastCursorX, mPointerSimple.lastCursorY,
-                              mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mPointerSimple.source, mPointerSimple.displayId, policyFlags,
+                                       AMOTION_EVENT_ACTION_CANCEL, 0, AMOTION_EVENT_FLAG_CANCELED,
+                                       metaState, mLastRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision,
+                                       mPointerSimple.lastCursorX, mPointerSimple.lastCursorY,
+                                       mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
         if (mPointerController != nullptr) {
             mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         }
     }
     mPointerSimple.reset();
+    return out;
 }
 
-void TouchInputMapper::dispatchMotion(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                      uint32_t source, int32_t action, int32_t actionButton,
-                                      int32_t flags, int32_t metaState, int32_t buttonState,
-                                      int32_t edgeFlags, const PointerProperties* properties,
-                                      const PointerCoords* coords, const uint32_t* idToIndex,
-                                      BitSet32 idBits, int32_t changedId, float xPrecision,
-                                      float yPrecision, nsecs_t downTime) {
+NotifyMotionArgs TouchInputMapper::dispatchMotion(
+        nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source, int32_t action,
+        int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+        int32_t edgeFlags, const PropertiesArray& properties, const CoordsArray& coords,
+        const IdToIndexArray& idToIndex, BitSet32 idBits, int32_t changedId, float xPrecision,
+        float yPrecision, nsecs_t downTime, MotionClassification classification) {
     PointerCoords pointerCoords[MAX_POINTERS];
     PointerProperties pointerProperties[MAX_POINTERS];
     uint32_t pointerCount = 0;
@@ -3734,47 +3775,18 @@ void TouchInputMapper::dispatchMotion(nsecs_t when, nsecs_t readTime, uint32_t p
     std::vector<TouchVideoFrame> frames = getDeviceContext().getVideoFrames();
     std::for_each(frames.begin(), frames.end(),
                   [this](TouchVideoFrame& frame) { frame.rotate(this->mInputDeviceOrientation); });
-    NotifyMotionArgs args(getContext()->getNextId(), when, readTime, deviceId, source, displayId,
-                          policyFlags, action, actionButton, flags, metaState, buttonState,
-                          MotionClassification::NONE, edgeFlags, pointerCount, pointerProperties,
-                          pointerCoords, xPrecision, yPrecision, xCursorPosition, yCursorPosition,
-                          downTime, std::move(frames));
-    getListener().notifyMotion(&args);
-}
-
-bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties,
-                                           const PointerCoords* inCoords,
-                                           const uint32_t* inIdToIndex,
-                                           PointerProperties* outProperties,
-                                           PointerCoords* outCoords, const uint32_t* outIdToIndex,
-                                           BitSet32 idBits) const {
-    bool changed = false;
-    while (!idBits.isEmpty()) {
-        uint32_t id = idBits.clearFirstMarkedBit();
-        uint32_t inIndex = inIdToIndex[id];
-        uint32_t outIndex = outIdToIndex[id];
-
-        const PointerProperties& curInProperties = inProperties[inIndex];
-        const PointerCoords& curInCoords = inCoords[inIndex];
-        PointerProperties& curOutProperties = outProperties[outIndex];
-        PointerCoords& curOutCoords = outCoords[outIndex];
-
-        if (curInProperties != curOutProperties) {
-            curOutProperties.copyFrom(curInProperties);
-            changed = true;
-        }
-
-        if (curInCoords != curOutCoords) {
-            curOutCoords.copyFrom(curInCoords);
-            changed = true;
-        }
-    }
-    return changed;
+    return NotifyMotionArgs(getContext()->getNextId(), when, readTime, deviceId, source, displayId,
+                            policyFlags, action, actionButton, flags, metaState, buttonState,
+                            classification, edgeFlags, pointerCount, pointerProperties,
+                            pointerCoords, xPrecision, yPrecision, xCursorPosition, yCursorPosition,
+                            downTime, std::move(frames));
 }
 
-void TouchInputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
-    abortPointerUsage(when, readTime, 0 /*policyFlags*/);
-    abortTouches(when, readTime, 0 /* policyFlags*/);
+std::list<NotifyArgs> TouchInputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
+    out += abortPointerUsage(when, readTime, 0 /*policyFlags*/);
+    out += abortTouches(when, readTime, 0 /* policyFlags*/);
+    return out;
 }
 
 // Transform input device coordinates to display panel coordinates.
@@ -3791,19 +3803,19 @@ void TouchInputMapper::rotateAndScale(float& x, float& y) const {
     // 180 - reverse x, y.
     // 270 - swap x/y and reverse x.
     switch (mInputDeviceOrientation) {
-        case DISPLAY_ORIENTATION_0:
+        case ui::ROTATION_0:
             x = xScaled;
             y = yScaled;
             break;
-        case DISPLAY_ORIENTATION_90:
+        case ui::ROTATION_90:
             y = xScaledMax;
             x = yScaled;
             break;
-        case DISPLAY_ORIENTATION_180:
+        case ui::ROTATION_180:
             x = xScaledMax;
             y = yScaledMax;
             break;
-        case DISPLAY_ORIENTATION_270:
+        case ui::ROTATION_270:
             y = xScaled;
             x = yScaledMax;
             break;
@@ -3817,19 +3829,17 @@ bool TouchInputMapper::isPointInsidePhysicalFrame(int32_t x, int32_t y) const {
     const float yScaled = (y - mRawPointerAxes.y.minValue) * mYScale;
 
     return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue &&
-            xScaled >= mPhysicalLeft && xScaled <= (mPhysicalLeft + mPhysicalWidth) &&
             y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue &&
-            yScaled >= mPhysicalTop && yScaled <= (mPhysicalTop + mPhysicalHeight);
+            isPointInRect(mPhysicalFrameInDisplay, xScaled, yScaled);
 }
 
 const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
     for (const VirtualKey& virtualKey : mVirtualKeys) {
-        if (DEBUG_VIRTUAL_KEYS) {
-            ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
-                  "left=%d, top=%d, right=%d, bottom=%d",
-                  x, y, virtualKey.keyCode, virtualKey.scanCode, virtualKey.hitLeft,
-                  virtualKey.hitTop, virtualKey.hitRight, virtualKey.hitBottom);
-        }
+        ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                 "VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+                 "left=%d, top=%d, right=%d, bottom=%d",
+                 x, y, virtualKey.keyCode, virtualKey.scanCode, virtualKey.hitLeft,
+                 virtualKey.hitTop, virtualKey.hitRight, virtualKey.hitBottom);
 
         if (virtualKey.isHit(x, y)) {
             return &virtualKey;
@@ -4000,11 +4010,10 @@ void TouchInputMapper::assignPointerIds(const RawState& last, RawState& current)
                                                      currentPointerIndex));
             usedIdBits.markBit(id);
 
-            if (DEBUG_POINTER_ASSIGNMENT) {
-                ALOGD("assignPointerIds - matched: cur=%" PRIu32 ", last=%" PRIu32 ", id=%" PRIu32
-                      ", distance=%" PRIu64,
-                      lastPointerIndex, currentPointerIndex, id, heap[0].distance);
-            }
+            ALOGD_IF(DEBUG_POINTER_ASSIGNMENT,
+                     "assignPointerIds - matched: cur=%" PRIu32 ", last=%" PRIu32 ", id=%" PRIu32
+                     ", distance=%" PRIu64,
+                     lastPointerIndex, currentPointerIndex, id, heap[0].distance);
             break;
         }
     }
@@ -4019,10 +4028,9 @@ void TouchInputMapper::assignPointerIds(const RawState& last, RawState& current)
         current.rawPointerData.markIdBit(id,
                                          current.rawPointerData.isHovering(currentPointerIndex));
 
-        if (DEBUG_POINTER_ASSIGNMENT) {
-            ALOGD("assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex,
-                  id);
-        }
+        ALOGD_IF(DEBUG_POINTER_ASSIGNMENT,
+                 "assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex,
+                 id);
     }
 }
 
@@ -4054,10 +4062,11 @@ int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode
     return AKEY_STATE_UNKNOWN;
 }
 
-bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                             const int32_t* keyCodes, uint8_t* outFlags) {
+bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                             const std::vector<int32_t>& keyCodes,
+                                             uint8_t* outFlags) {
     for (const VirtualKey& virtualKey : mVirtualKeys) {
-        for (size_t i = 0; i < numCodes; i++) {
+        for (size_t i = 0; i < keyCodes.size(); i++) {
             if (virtualKey.keyCode == keyCodes[i]) {
                 outFlags[i] = 1;
             }
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index 2937bf88d4..34ba62515f 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include <stdint.h>
+#include <ui/Rotation.h>
 
 #include "CursorButtonAccumulator.h"
 #include "CursorScrollAccumulator.h"
@@ -28,55 +28,65 @@
 
 namespace android {
 
+// Maximum amount of latency to add to touch events while waiting for data from an
+// external stylus.
+static constexpr nsecs_t EXTERNAL_STYLUS_DATA_TIMEOUT = ms2ns(72);
+
+// Maximum amount of time to wait on touch data before pushing out new pressure data.
+static constexpr nsecs_t TOUCH_DATA_TIMEOUT = ms2ns(20);
+
 /* Raw axis information from the driver. */
 struct RawPointerAxes {
-    RawAbsoluteAxisInfo x;
-    RawAbsoluteAxisInfo y;
-    RawAbsoluteAxisInfo pressure;
-    RawAbsoluteAxisInfo touchMajor;
-    RawAbsoluteAxisInfo touchMinor;
-    RawAbsoluteAxisInfo toolMajor;
-    RawAbsoluteAxisInfo toolMinor;
-    RawAbsoluteAxisInfo orientation;
-    RawAbsoluteAxisInfo distance;
-    RawAbsoluteAxisInfo tiltX;
-    RawAbsoluteAxisInfo tiltY;
-    RawAbsoluteAxisInfo trackingId;
-    RawAbsoluteAxisInfo slot;
-
-    RawPointerAxes();
+    RawAbsoluteAxisInfo x{};
+    RawAbsoluteAxisInfo y{};
+    RawAbsoluteAxisInfo pressure{};
+    RawAbsoluteAxisInfo touchMajor{};
+    RawAbsoluteAxisInfo touchMinor{};
+    RawAbsoluteAxisInfo toolMajor{};
+    RawAbsoluteAxisInfo toolMinor{};
+    RawAbsoluteAxisInfo orientation{};
+    RawAbsoluteAxisInfo distance{};
+    RawAbsoluteAxisInfo tiltX{};
+    RawAbsoluteAxisInfo tiltY{};
+    RawAbsoluteAxisInfo trackingId{};
+    RawAbsoluteAxisInfo slot{};
+
     inline int32_t getRawWidth() const { return x.maxValue - x.minValue + 1; }
     inline int32_t getRawHeight() const { return y.maxValue - y.minValue + 1; }
-    void clear();
+    inline void clear() { *this = RawPointerAxes(); }
 };
 
+using PropertiesArray = std::array<PointerProperties, MAX_POINTERS>;
+using CoordsArray = std::array<PointerCoords, MAX_POINTERS>;
+using IdToIndexArray = std::array<uint32_t, MAX_POINTER_ID + 1>;
+
 /* Raw data for a collection of pointers including a pointer id mapping table. */
 struct RawPointerData {
     struct Pointer {
-        uint32_t id;
-        int32_t x;
-        int32_t y;
-        int32_t pressure;
-        int32_t touchMajor;
-        int32_t touchMinor;
-        int32_t toolMajor;
-        int32_t toolMinor;
-        int32_t orientation;
-        int32_t distance;
-        int32_t tiltX;
-        int32_t tiltY;
-        int32_t toolType; // a fully decoded AMOTION_EVENT_TOOL_TYPE constant
-        bool isHovering;
+        uint32_t id{0xFFFFFFFF};
+        int32_t x{};
+        int32_t y{};
+        int32_t pressure{};
+        int32_t touchMajor{};
+        int32_t touchMinor{};
+        int32_t toolMajor{};
+        int32_t toolMinor{};
+        int32_t orientation{};
+        int32_t distance{};
+        int32_t tiltX{};
+        int32_t tiltY{};
+        // A fully decoded AMOTION_EVENT_TOOL_TYPE constant.
+        int32_t toolType{AMOTION_EVENT_TOOL_TYPE_UNKNOWN};
+        bool isHovering{false};
     };
 
-    uint32_t pointerCount;
-    Pointer pointers[MAX_POINTERS];
-    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits;
-    uint32_t idToIndex[MAX_POINTER_ID + 1];
+    uint32_t pointerCount{};
+    std::array<Pointer, MAX_POINTERS> pointers{};
+    BitSet32 hoveringIdBits{}, touchingIdBits{}, canceledIdBits{};
+    IdToIndexArray idToIndex{};
+
+    inline void clear() { *this = RawPointerData(); }
 
-    RawPointerData();
-    void clear();
-    void copyFrom(const RawPointerData& other);
     void getCentroidOfTouchingPointers(float* outX, float* outY) const;
 
     inline void markIdBit(uint32_t id, bool isHovering) {
@@ -100,15 +110,13 @@ struct RawPointerData {
 
 /* Cooked data for a collection of pointers including a pointer id mapping table. */
 struct CookedPointerData {
-    uint32_t pointerCount;
-    PointerProperties pointerProperties[MAX_POINTERS];
-    PointerCoords pointerCoords[MAX_POINTERS];
-    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits, validIdBits;
-    uint32_t idToIndex[MAX_POINTER_ID + 1];
+    uint32_t pointerCount{};
+    PropertiesArray pointerProperties{};
+    CoordsArray pointerCoords{};
+    BitSet32 hoveringIdBits{}, touchingIdBits{}, canceledIdBits{}, validIdBits{};
+    IdToIndexArray idToIndex{};
 
-    CookedPointerData();
-    void clear();
-    void copyFrom(const CookedPointerData& other);
+    inline void clear() { *this = CookedPointerData(); }
 
     inline const PointerCoords& pointerCoordsForId(uint32_t id) const {
         return pointerCoords[idToIndex[id]];
@@ -141,18 +149,21 @@ public:
     uint32_t getSources() const override;
     void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     void dump(std::string& dump) override;
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
     int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) override;
 
-    void cancelTouch(nsecs_t when, nsecs_t readTime) override;
-    void timeoutExpired(nsecs_t when) override;
-    void updateExternalStylusState(const StylusState& state) override;
+    [[nodiscard]] std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime) override;
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> updateExternalStylusState(
+            const StylusState& state) override;
     std::optional<int32_t> getAssociatedDisplayId() override;
 
 protected:
@@ -197,7 +208,6 @@ protected:
     struct Parameters {
         enum class DeviceType {
             TOUCH_SCREEN,
-            TOUCH_PAD,
             TOUCH_NAVIGATION,
             POINTER,
 
@@ -209,15 +219,7 @@ protected:
         bool associatedDisplayIsExternal;
         bool orientationAware;
 
-        enum class Orientation : int32_t {
-            ORIENTATION_0 = DISPLAY_ORIENTATION_0,
-            ORIENTATION_90 = DISPLAY_ORIENTATION_90,
-            ORIENTATION_180 = DISPLAY_ORIENTATION_180,
-            ORIENTATION_270 = DISPLAY_ORIENTATION_270,
-
-            ftl_last = ORIENTATION_270
-        };
-        Orientation orientation;
+        ui::Rotation orientation;
 
         bool hasButtonUnderPad;
         std::string uniqueDisplayId;
@@ -231,6 +233,12 @@ protected:
         GestureMode gestureMode;
 
         bool wake;
+
+        // Whether the device supports the Universal Stylus Initiative (USI) protocol for styluses.
+        bool supportsUsi;
+
+        // Allows touches while the display is off.
+        bool enableForInactiveViewport;
     } mParameters;
 
     // Immutable calibration parameters in parsed form.
@@ -248,12 +256,9 @@ protected:
 
         SizeCalibration sizeCalibration;
 
-        bool haveSizeScale;
-        float sizeScale;
-        bool haveSizeBias;
-        float sizeBias;
-        bool haveSizeIsSummed;
-        bool sizeIsSummed;
+        std::optional<float> sizeScale;
+        std::optional<float> sizeBias;
+        std::optional<bool> sizeIsSummed;
 
         // Pressure
         enum class PressureCalibration {
@@ -264,8 +269,7 @@ protected:
         };
 
         PressureCalibration pressureCalibration;
-        bool havePressureScale;
-        float pressureScale;
+        std::optional<float> pressureScale;
 
         // Orientation
         enum class OrientationCalibration {
@@ -285,8 +289,7 @@ protected:
         };
 
         DistanceCalibration distanceCalibration;
-        bool haveDistanceScale;
-        float distanceScale;
+        std::optional<float> distanceScale;
 
         enum class CoverageCalibration {
             DEFAULT,
@@ -296,15 +299,15 @@ protected:
 
         CoverageCalibration coverageCalibration;
 
-        inline void applySizeScaleAndBias(float* outSize) const {
-            if (haveSizeScale) {
-                *outSize *= sizeScale;
+        inline void applySizeScaleAndBias(float& outSize) const {
+            if (sizeScale) {
+                outSize *= *sizeScale;
             }
-            if (haveSizeBias) {
-                *outSize += sizeBias;
+            if (sizeBias) {
+                outSize += *sizeBias;
             }
-            if (*outSize < 0) {
-                *outSize = 0;
+            if (outSize < 0) {
+                outSize = 0;
             }
         }
     } mCalibration;
@@ -315,65 +318,33 @@ protected:
     RawPointerAxes mRawPointerAxes;
 
     struct RawState {
-        nsecs_t when;
-        nsecs_t readTime;
+        nsecs_t when{std::numeric_limits<nsecs_t>::min()};
+        nsecs_t readTime{};
 
         // Raw pointer sample data.
-        RawPointerData rawPointerData;
+        RawPointerData rawPointerData{};
 
-        int32_t buttonState;
+        int32_t buttonState{};
 
         // Scroll state.
-        int32_t rawVScroll;
-        int32_t rawHScroll;
-
-        explicit inline RawState() { clear(); }
-
-        void copyFrom(const RawState& other) {
-            when = other.when;
-            readTime = other.readTime;
-            rawPointerData.copyFrom(other.rawPointerData);
-            buttonState = other.buttonState;
-            rawVScroll = other.rawVScroll;
-            rawHScroll = other.rawHScroll;
-        }
+        int32_t rawVScroll{};
+        int32_t rawHScroll{};
 
-        void clear() {
-            when = 0;
-            readTime = 0;
-            rawPointerData.clear();
-            buttonState = 0;
-            rawVScroll = 0;
-            rawHScroll = 0;
-        }
+        inline void clear() { *this = RawState(); }
     };
 
     struct CookedState {
         // Cooked pointer sample data.
-        CookedPointerData cookedPointerData;
+        CookedPointerData cookedPointerData{};
 
         // Id bits used to differentiate fingers, stylus and mouse tools.
-        BitSet32 fingerIdBits;
-        BitSet32 stylusIdBits;
-        BitSet32 mouseIdBits;
-
-        int32_t buttonState;
-
-        void copyFrom(const CookedState& other) {
-            cookedPointerData.copyFrom(other.cookedPointerData);
-            fingerIdBits = other.fingerIdBits;
-            stylusIdBits = other.stylusIdBits;
-            mouseIdBits = other.mouseIdBits;
-            buttonState = other.buttonState;
-        }
+        BitSet32 fingerIdBits{};
+        BitSet32 stylusIdBits{};
+        BitSet32 mouseIdBits{};
 
-        void clear() {
-            cookedPointerData.clear();
-            fingerIdBits.clear();
-            stylusIdBits.clear();
-            mouseIdBits.clear();
-            buttonState = 0;
-        }
+        int32_t buttonState{};
+
+        inline void clear() { *this = CookedState(); }
     };
 
     std::vector<RawState> mRawStatesPending;
@@ -384,9 +355,14 @@ protected:
 
     // State provided by an external stylus
     StylusState mExternalStylusState;
-    int64_t mExternalStylusId;
+    // If an external stylus is capable of reporting pointer-specific data like pressure, we will
+    // attempt to fuse the pointer data reported by the stylus to the first touch pointer. This is
+    // the id of the pointer to which the external stylus data is fused.
+    std::optional<uint32_t> mFusedStylusPointerId;
     nsecs_t mExternalStylusFusionTimeout;
     bool mExternalStylusDataPending;
+    // A subset of the buttons in mCurrentRawState that came from an external stylus.
+    int32_t mExternalStylusButtonsApplied;
 
     // True if we sent a HOVER_ENTER event.
     bool mSentHoverEnter;
@@ -429,22 +405,19 @@ private:
     // The components of the viewport are specified in the display's rotated orientation.
     DisplayViewport mViewport;
 
-    // The width and height are obtained from the viewport and are specified
-    // in the natural orientation.
-    int32_t mDisplayWidth;
-    int32_t mDisplayHeight;
+    // We refer to the display as being in the "natural orientation" when there is no rotation
+    // applied. The display size obtained from the viewport in the natural orientation.
+    // Always starts at (0, 0).
+    ui::Size mDisplayBounds{ui::kInvalidSize};
 
-    // The physical frame is the rectangle in the display's coordinate space that maps to the
+    // The physical frame is the rectangle in the natural display's coordinate space that maps to
     // the logical display frame.
-    int32_t mPhysicalWidth;
-    int32_t mPhysicalHeight;
-    int32_t mPhysicalLeft;
-    int32_t mPhysicalTop;
+    Rect mPhysicalFrameInDisplay{Rect::INVALID_RECT};
 
     // The orientation of the input device relative to that of the display panel. It specifies
     // the rotation of the input device coordinates required to produce the display panel
     // orientation, so it will depend on whether the device is orientation aware.
-    int32_t mInputDeviceOrientation;
+    ui::Rotation mInputDeviceOrientation;
 
     // Translation and scaling factors, orientation-independent.
     float mXScale;
@@ -477,35 +450,29 @@ private:
         InputDeviceInfo::MotionRange y;
         InputDeviceInfo::MotionRange pressure;
 
-        bool haveSize;
-        InputDeviceInfo::MotionRange size;
-
-        bool haveTouchSize;
-        InputDeviceInfo::MotionRange touchMajor;
-        InputDeviceInfo::MotionRange touchMinor;
+        std::optional<InputDeviceInfo::MotionRange> size;
 
-        bool haveToolSize;
-        InputDeviceInfo::MotionRange toolMajor;
-        InputDeviceInfo::MotionRange toolMinor;
+        std::optional<InputDeviceInfo::MotionRange> touchMajor;
+        std::optional<InputDeviceInfo::MotionRange> touchMinor;
 
-        bool haveOrientation;
-        InputDeviceInfo::MotionRange orientation;
+        std::optional<InputDeviceInfo::MotionRange> toolMajor;
+        std::optional<InputDeviceInfo::MotionRange> toolMinor;
 
-        bool haveDistance;
-        InputDeviceInfo::MotionRange distance;
+        std::optional<InputDeviceInfo::MotionRange> orientation;
 
-        bool haveTilt;
-        InputDeviceInfo::MotionRange tilt;
+        std::optional<InputDeviceInfo::MotionRange> distance;
 
-        OrientedRanges() { clear(); }
+        std::optional<InputDeviceInfo::MotionRange> tilt;
 
         void clear() {
-            haveSize = false;
-            haveTouchSize = false;
-            haveToolSize = false;
-            haveOrientation = false;
-            haveDistance = false;
-            haveTilt = false;
+            size = std::nullopt;
+            touchMajor = std::nullopt;
+            touchMinor = std::nullopt;
+            toolMajor = std::nullopt;
+            toolMinor = std::nullopt;
+            orientation = std::nullopt;
+            distance = std::nullopt;
+            tilt = std::nullopt;
         }
     } mOrientedRanges;
 
@@ -529,13 +496,15 @@ private:
     float mPointerXZoomScale;
     float mPointerYZoomScale;
 
-    // The maximum swipe width.
+    // The maximum swipe width between pointers to detect a swipe gesture
+    // in the number of pixels.Touches that are wider than this are translated
+    // into freeform gestures.
     float mPointerGestureMaxSwipeWidth;
 
     struct PointerDistanceHeapElement {
-        uint32_t currentPointerIndex : 8;
-        uint32_t lastPointerIndex : 8;
-        uint64_t distance : 48; // squared distance
+        uint32_t currentPointerIndex : 8 {};
+        uint32_t lastPointerIndex : 8 {};
+        uint64_t distance : 48 {}; // squared distance
     };
 
     enum class PointerUsage {
@@ -632,15 +601,15 @@ private:
         // Pointer coords and ids for the current and previous pointer gesture.
         Mode currentGestureMode;
         BitSet32 currentGestureIdBits;
-        uint32_t currentGestureIdToIndex[MAX_POINTER_ID + 1];
-        PointerProperties currentGestureProperties[MAX_POINTERS];
-        PointerCoords currentGestureCoords[MAX_POINTERS];
+        IdToIndexArray currentGestureIdToIndex{};
+        PropertiesArray currentGestureProperties{};
+        CoordsArray currentGestureCoords{};
 
         Mode lastGestureMode;
         BitSet32 lastGestureIdBits;
-        uint32_t lastGestureIdToIndex[MAX_POINTER_ID + 1];
-        PointerProperties lastGestureProperties[MAX_POINTERS];
-        PointerCoords lastGestureCoords[MAX_POINTERS];
+        IdToIndexArray lastGestureIdToIndex{};
+        PropertiesArray lastGestureProperties{};
+        CoordsArray lastGestureCoords{};
 
         // Time the pointer gesture last went down.
         nsecs_t downTime;
@@ -749,43 +718,75 @@ private:
     void initializeOrientedRanges();
     void initializeSizeRanges();
 
-    void sync(nsecs_t when, nsecs_t readTime);
-
-    bool consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void processRawTouches(bool timeout);
-    void cookAndDispatch(nsecs_t when, nsecs_t readTime);
-    void dispatchVirtualKey(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                            int32_t keyEventAction, int32_t keyEventFlags);
-
-    void dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchHoverExit(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchButtonRelease(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchButtonPress(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
+
+    [[nodiscard]] std::list<NotifyArgs> consumeRawTouches(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags, bool& outConsumed);
+    [[nodiscard]] std::list<NotifyArgs> processRawTouches(bool timeout);
+    [[nodiscard]] std::list<NotifyArgs> cookAndDispatch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] NotifyKeyArgs dispatchVirtualKey(nsecs_t when, nsecs_t readTime,
+                                                   uint32_t policyFlags, int32_t keyEventAction,
+                                                   int32_t keyEventFlags);
+
+    [[nodiscard]] std::list<NotifyArgs> dispatchTouches(nsecs_t when, nsecs_t readTime,
+                                                        uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchHoverExit(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
+                                                                  uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchButtonRelease(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchButtonPress(nsecs_t when, nsecs_t readTime,
+                                                            uint32_t policyFlags);
     const BitSet32& findActiveIdBits(const CookedPointerData& cookedPointerData);
     void cookPointerData();
-    void abortTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-
-    void dispatchPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                              PointerUsage pointerUsage);
-    void abortPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-
-    void dispatchPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                 bool isTimeout);
-    void abortPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortTouches(nsecs_t when, nsecs_t readTime,
+                                                     uint32_t policyFlags);
+
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags,
+                                                             PointerUsage pointerUsage);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
+
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                                uint32_t policyFlags,
+                                                                bool isTimeout);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags);
     bool preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture,
                                 bool* outFinishPreviousGesture, bool isTimeout);
 
-    void dispatchPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void abortPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    // Returns true if we're in a period of "quiet time" when touchpad gestures should be ignored.
+    bool checkForTouchpadQuietTime(nsecs_t when);
+
+    std::pair<int32_t, float> getFastestFinger();
+
+    void prepareMultiFingerPointerGestures(nsecs_t when, bool* outCancelPreviousGesture,
+                                           bool* outFinishPreviousGesture);
 
-    void dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void abortPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    // Moves the on-screen mouse pointer based on the movement of the pointer of the given ID
+    // between the last and current events. Uses a relative motion.
+    void moveMousePointerFromPointerDelta(nsecs_t when, uint32_t pointerId);
 
-    void dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags, bool down,
-                               bool hovering);
-    void abortPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags);
 
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
+
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags, bool down,
+                                                              bool hovering);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags);
+
+    // Attempts to assign a pointer id to the external stylus. Returns true if the state should be
+    // withheld from further processing while waiting for data from the stylus.
     bool assignExternalStylusId(const RawState& state, bool timeout);
     void applyExternalStylusButtonState(nsecs_t when);
     void applyExternalStylusTouchState(nsecs_t when);
@@ -794,18 +795,12 @@ private:
     // If the changedId is >= 0 and the action is POINTER_DOWN or POINTER_UP, the
     // method will take care of setting the index and transmuting the action to DOWN or UP
     // it is the first / last pointer to go down / up.
-    void dispatchMotion(nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source,
-                        int32_t action, int32_t actionButton, int32_t flags, int32_t metaState,
-                        int32_t buttonState, int32_t edgeFlags, const PointerProperties* properties,
-                        const PointerCoords* coords, const uint32_t* idToIndex, BitSet32 idBits,
-                        int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime);
-
-    // Updates pointer coords and properties for pointers with specified ids that have moved.
-    // Returns true if any of them changed.
-    bool updateMovedPointers(const PointerProperties* inProperties, const PointerCoords* inCoords,
-                             const uint32_t* inIdToIndex, PointerProperties* outProperties,
-                             PointerCoords* outCoords, const uint32_t* outIdToIndex,
-                             BitSet32 idBits) const;
+    [[nodiscard]] NotifyMotionArgs dispatchMotion(
+            nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source, int32_t action,
+            int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+            int32_t edgeFlags, const PropertiesArray& properties, const CoordsArray& coords,
+            const IdToIndexArray& idToIndex, BitSet32 idBits, int32_t changedId, float xPrecision,
+            float yPrecision, nsecs_t downTime, MotionClassification classification);
 
     // Returns if this touch device is a touch screen with an associated display.
     bool isTouchScreen();
@@ -818,10 +813,7 @@ private:
 
     static void assignPointerIds(const RawState& last, RawState& current);
 
-    const char* modeToString(DeviceMode deviceMode);
     void rotateAndScale(float& x, float& y) const;
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
new file mode 100644
index 0000000000..de6e4b0193
--- /dev/null
+++ b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
@@ -0,0 +1,365 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "../Macros.h"
+
+#include <chrono>
+
+#include <android/input.h>
+#include <log/log_main.h>
+#include "TouchCursorInputMapperCommon.h"
+#include "TouchpadInputMapper.h"
+
+namespace android {
+
+namespace {
+
+short getMaxTouchCount(const InputDeviceContext& context) {
+    if (context.hasKeyCode(BTN_TOOL_QUINTTAP)) return 5;
+    if (context.hasKeyCode(BTN_TOOL_QUADTAP)) return 4;
+    if (context.hasKeyCode(BTN_TOOL_TRIPLETAP)) return 3;
+    if (context.hasKeyCode(BTN_TOOL_DOUBLETAP)) return 2;
+    if (context.hasKeyCode(BTN_TOOL_FINGER)) return 1;
+    return 0;
+}
+
+HardwareProperties createHardwareProperties(const InputDeviceContext& context) {
+    HardwareProperties props;
+    RawAbsoluteAxisInfo absMtPositionX;
+    context.getAbsoluteAxisInfo(ABS_MT_POSITION_X, &absMtPositionX);
+    props.left = absMtPositionX.minValue;
+    props.right = absMtPositionX.maxValue;
+    props.res_x = absMtPositionX.resolution;
+
+    RawAbsoluteAxisInfo absMtPositionY;
+    context.getAbsoluteAxisInfo(ABS_MT_POSITION_Y, &absMtPositionY);
+    props.top = absMtPositionY.minValue;
+    props.bottom = absMtPositionY.maxValue;
+    props.res_y = absMtPositionY.resolution;
+
+    RawAbsoluteAxisInfo absMtOrientation;
+    context.getAbsoluteAxisInfo(ABS_MT_ORIENTATION, &absMtOrientation);
+    props.orientation_minimum = absMtOrientation.minValue;
+    props.orientation_maximum = absMtOrientation.maxValue;
+
+    RawAbsoluteAxisInfo absMtSlot;
+    context.getAbsoluteAxisInfo(ABS_MT_SLOT, &absMtSlot);
+    props.max_finger_cnt = absMtSlot.maxValue - absMtSlot.minValue + 1;
+    props.max_touch_cnt = getMaxTouchCount(context);
+
+    // T5R2 ("Track 5, Report 2") is a feature of some old Synaptics touchpads that could track 5
+    // fingers but only report the coordinates of 2 of them. We don't know of any external touchpads
+    // that did this, so assume false.
+    props.supports_t5r2 = false;
+
+    props.support_semi_mt = context.hasInputProperty(INPUT_PROP_SEMI_MT);
+    props.is_button_pad = context.hasInputProperty(INPUT_PROP_BUTTONPAD);
+
+    // Mouse-only properties, which will always be false.
+    props.has_wheel = false;
+    props.wheel_is_hi_res = false;
+
+    // Linux Kernel haptic touchpad support isn't merged yet, so for now assume that no touchpads
+    // are haptic.
+    props.is_haptic_pad = false;
+    return props;
+}
+
+void gestureInterpreterCallback(void* clientData, const Gesture* gesture) {
+    TouchpadInputMapper* mapper = static_cast<TouchpadInputMapper*>(clientData);
+    mapper->consumeGesture(gesture);
+}
+
+uint32_t gesturesButtonToMotionEventButton(uint32_t gesturesButton) {
+    switch (gesturesButton) {
+        case GESTURES_BUTTON_LEFT:
+            return AMOTION_EVENT_BUTTON_PRIMARY;
+        case GESTURES_BUTTON_MIDDLE:
+            return AMOTION_EVENT_BUTTON_TERTIARY;
+        case GESTURES_BUTTON_RIGHT:
+            return AMOTION_EVENT_BUTTON_SECONDARY;
+        case GESTURES_BUTTON_BACK:
+            return AMOTION_EVENT_BUTTON_BACK;
+        case GESTURES_BUTTON_FORWARD:
+            return AMOTION_EVENT_BUTTON_FORWARD;
+        default:
+            return 0;
+    }
+}
+
+} // namespace
+
+TouchpadInputMapper::TouchpadInputMapper(InputDeviceContext& deviceContext)
+      : InputMapper(deviceContext),
+        mGestureInterpreter(NewGestureInterpreter(), DeleteGestureInterpreter),
+        mPointerController(getContext()->getPointerController(getDeviceId())),
+        mTouchButtonAccumulator(deviceContext) {
+    mGestureInterpreter->Initialize(GESTURES_DEVCLASS_TOUCHPAD);
+    mGestureInterpreter->SetHardwareProperties(createHardwareProperties(deviceContext));
+    // Even though we don't explicitly delete copy/move semantics, it's safe to
+    // give away a pointer to TouchpadInputMapper here because
+    // 1) mGestureInterpreter's lifecycle is determined by TouchpadInputMapper, and
+    // 2) TouchpadInputMapper is stored as a unique_ptr and not moved.
+    mGestureInterpreter->SetCallback(gestureInterpreterCallback, this);
+    // TODO(b/251196347): set a property provider, so we can change gesture properties.
+    // TODO(b/251196347): set a timer provider, so the library can use timers.
+
+    RawAbsoluteAxisInfo slotAxisInfo;
+    getAbsoluteAxisInfo(ABS_MT_SLOT, &slotAxisInfo);
+    if (!slotAxisInfo.valid || slotAxisInfo.maxValue <= 0) {
+        ALOGW("Touchpad \"%s\" doesn't have a valid ABS_MT_SLOT axis, and probably won't work "
+              "properly.",
+              getDeviceName().c_str());
+    }
+    mMotionAccumulator.configure(getDeviceContext(), slotAxisInfo.maxValue + 1, true);
+    mTouchButtonAccumulator.configure();
+}
+
+TouchpadInputMapper::~TouchpadInputMapper() {
+    if (mPointerController != nullptr) {
+        mPointerController->fade(PointerControllerInterface::Transition::IMMEDIATE);
+    }
+}
+
+uint32_t TouchpadInputMapper::getSources() const {
+    return AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD;
+}
+
+std::list<NotifyArgs> TouchpadInputMapper::reset(nsecs_t when) {
+    mCursorButtonAccumulator.reset(getDeviceContext());
+    mTouchButtonAccumulator.reset();
+    mMscTimestamp = 0;
+
+    mButtonState = 0;
+    return InputMapper::reset(when);
+}
+
+std::list<NotifyArgs> TouchpadInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out = {};
+    if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
+        out = sync(rawEvent->when, rawEvent->readTime);
+    }
+    if (rawEvent->type == EV_MSC && rawEvent->code == MSC_TIMESTAMP) {
+        mMscTimestamp = rawEvent->value;
+    }
+    mCursorButtonAccumulator.process(rawEvent);
+    mMotionAccumulator.process(rawEvent);
+    mTouchButtonAccumulator.process(rawEvent);
+    return out;
+}
+
+std::list<NotifyArgs> TouchpadInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    HardwareState hwState;
+    // The gestures library uses doubles to represent timestamps in seconds.
+    hwState.timestamp = std::chrono::duration<stime_t>(std::chrono::nanoseconds(when)).count();
+    hwState.msc_timestamp =
+            std::chrono::duration<stime_t>(std::chrono::microseconds(mMscTimestamp)).count();
+
+    hwState.buttons_down = 0;
+    if (mCursorButtonAccumulator.isLeftPressed()) {
+        hwState.buttons_down |= GESTURES_BUTTON_LEFT;
+    }
+    if (mCursorButtonAccumulator.isMiddlePressed()) {
+        hwState.buttons_down |= GESTURES_BUTTON_MIDDLE;
+    }
+    if (mCursorButtonAccumulator.isRightPressed()) {
+        hwState.buttons_down |= GESTURES_BUTTON_RIGHT;
+    }
+    if (mCursorButtonAccumulator.isBackPressed() || mCursorButtonAccumulator.isSidePressed()) {
+        hwState.buttons_down |= GESTURES_BUTTON_BACK;
+    }
+    if (mCursorButtonAccumulator.isForwardPressed() || mCursorButtonAccumulator.isExtraPressed()) {
+        hwState.buttons_down |= GESTURES_BUTTON_FORWARD;
+    }
+
+    std::vector<FingerState> fingers;
+    for (size_t i = 0; i < mMotionAccumulator.getSlotCount(); i++) {
+        MultiTouchMotionAccumulator::Slot slot = mMotionAccumulator.getSlot(i);
+        if (slot.isInUse()) {
+            FingerState& fingerState = fingers.emplace_back();
+            fingerState = {};
+            fingerState.touch_major = slot.getTouchMajor();
+            fingerState.touch_minor = slot.getTouchMinor();
+            fingerState.width_major = slot.getToolMajor();
+            fingerState.width_minor = slot.getToolMinor();
+            fingerState.pressure = slot.getPressure();
+            fingerState.orientation = slot.getOrientation();
+            fingerState.position_x = slot.getX();
+            fingerState.position_y = slot.getY();
+            fingerState.tracking_id = slot.getTrackingId();
+        }
+    }
+    hwState.fingers = fingers.data();
+    hwState.finger_cnt = fingers.size();
+    hwState.touch_cnt = mTouchButtonAccumulator.getTouchCount();
+
+    mProcessing = true;
+    mGestureInterpreter->PushHardwareState(&hwState);
+    mProcessing = false;
+
+    std::list<NotifyArgs> out = processGestures(when, readTime);
+
+    mMotionAccumulator.finishSync();
+    mMscTimestamp = 0;
+    return out;
+}
+
+void TouchpadInputMapper::consumeGesture(const Gesture* gesture) {
+    ALOGD("Gesture ready: %s", gesture->String().c_str());
+    if (!mProcessing) {
+        ALOGE("Received gesture outside of the normal processing flow; ignoring it.");
+        return;
+    }
+    mGesturesToProcess.push_back(*gesture);
+}
+
+std::list<NotifyArgs> TouchpadInputMapper::processGestures(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out = {};
+    for (Gesture& gesture : mGesturesToProcess) {
+        switch (gesture.type) {
+            case kGestureTypeMove:
+                out.push_back(handleMove(when, readTime, gesture));
+                break;
+            case kGestureTypeButtonsChange:
+                out += handleButtonsChange(when, readTime, gesture);
+                break;
+            default:
+                // TODO(b/251196347): handle more gesture types.
+                break;
+        }
+    }
+    mGesturesToProcess.clear();
+    return out;
+}
+
+NotifyArgs TouchpadInputMapper::handleMove(nsecs_t when, nsecs_t readTime, const Gesture& gesture) {
+    PointerProperties props;
+    props.clear();
+    props.id = 0;
+    props.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+    mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
+    mPointerController->move(gesture.details.move.dx, gesture.details.move.dy);
+    mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
+    float xCursorPosition, yCursorPosition;
+    mPointerController->getPosition(&xCursorPosition, &yCursorPosition);
+
+    PointerCoords coords;
+    coords.clear();
+    coords.setAxisValue(AMOTION_EVENT_AXIS_X, xCursorPosition);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_Y, yCursorPosition);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, gesture.details.move.dx);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, gesture.details.move.dy);
+    const bool down = isPointerDown(mButtonState);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, down ? 1.0f : 0.0f);
+
+    const int32_t action = down ? AMOTION_EVENT_ACTION_MOVE : AMOTION_EVENT_ACTION_HOVER_MOVE;
+    return makeMotionArgs(when, readTime, action, /* actionButton= */ 0, mButtonState,
+                          /* pointerCount= */ 1, &props, &coords, xCursorPosition, yCursorPosition);
+}
+
+std::list<NotifyArgs> TouchpadInputMapper::handleButtonsChange(nsecs_t when, nsecs_t readTime,
+                                                               const Gesture& gesture) {
+    std::list<NotifyArgs> out = {};
+
+    mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
+    mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
+
+    PointerProperties props;
+    props.clear();
+    props.id = 0;
+    props.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+    float xCursorPosition, yCursorPosition;
+    mPointerController->getPosition(&xCursorPosition, &yCursorPosition);
+
+    PointerCoords coords;
+    coords.clear();
+    coords.setAxisValue(AMOTION_EVENT_AXIS_X, xCursorPosition);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_Y, yCursorPosition);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0);
+    const uint32_t buttonsPressed = gesture.details.buttons.down;
+    bool pointerDown = isPointerDown(mButtonState) ||
+            buttonsPressed &
+                    (GESTURES_BUTTON_LEFT | GESTURES_BUTTON_MIDDLE | GESTURES_BUTTON_RIGHT);
+    coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pointerDown ? 1.0f : 0.0f);
+
+    uint32_t newButtonState = mButtonState;
+    std::list<NotifyArgs> pressEvents = {};
+    for (uint32_t button = 1; button <= GESTURES_BUTTON_FORWARD; button <<= 1) {
+        if (buttonsPressed & button) {
+            uint32_t actionButton = gesturesButtonToMotionEventButton(button);
+            newButtonState |= actionButton;
+            pressEvents.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_BUTTON_PRESS,
+                                                 actionButton, newButtonState,
+                                                 /* pointerCount= */ 1, &props, &coords,
+                                                 xCursorPosition, yCursorPosition));
+        }
+    }
+    if (!isPointerDown(mButtonState) && isPointerDown(newButtonState)) {
+        mDownTime = when;
+        out.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_DOWN,
+                                     /* actionButton= */ 0, newButtonState, /* pointerCount= */ 1,
+                                     &props, &coords, xCursorPosition, yCursorPosition));
+    }
+    out.splice(out.end(), pressEvents);
+
+    // The same button may be in both down and up in the same gesture, in which case we should treat
+    // it as having gone down and then up. So, we treat a single button change gesture as two state
+    // changes: a set of buttons going down, followed by a set of buttons going up.
+    mButtonState = newButtonState;
+
+    const uint32_t buttonsReleased = gesture.details.buttons.up;
+    for (uint32_t button = 1; button <= GESTURES_BUTTON_FORWARD; button <<= 1) {
+        if (buttonsReleased & button) {
+            uint32_t actionButton = gesturesButtonToMotionEventButton(button);
+            newButtonState &= ~actionButton;
+            out.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_BUTTON_RELEASE,
+                                         actionButton, newButtonState, /* pointerCount= */ 1,
+                                         &props, &coords, xCursorPosition, yCursorPosition));
+        }
+    }
+    if (isPointerDown(mButtonState) && !isPointerDown(newButtonState)) {
+        coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.0f);
+        out.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_UP, /* actionButton= */ 0,
+                                     newButtonState, /* pointerCount= */ 1, &props, &coords,
+                                     xCursorPosition, yCursorPosition));
+    }
+    mButtonState = newButtonState;
+    return out;
+}
+
+NotifyMotionArgs TouchpadInputMapper::makeMotionArgs(nsecs_t when, nsecs_t readTime, int32_t action,
+                                                     int32_t actionButton, int32_t buttonState,
+                                                     uint32_t pointerCount,
+                                                     const PointerProperties* pointerProperties,
+                                                     const PointerCoords* pointerCoords,
+                                                     float xCursorPosition, float yCursorPosition) {
+    // TODO(b/260226362): consider what the appropriate source for these events is.
+    const uint32_t source = AINPUT_SOURCE_MOUSE;
+
+    return NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(), source,
+                            mPointerController->getDisplayId(), /* policyFlags= */ 0, action,
+                            /* actionButton= */ actionButton, /* flags= */ 0,
+                            getContext()->getGlobalMetaState(), buttonState,
+                            MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, pointerCount,
+                            pointerProperties, pointerCoords,
+                            /* xPrecision= */ 1.0f, /* yPrecision= */ 1.0f, xCursorPosition,
+                            yCursorPosition, /* downTime= */ mDownTime, /* videoFrames= */ {});
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/TouchpadInputMapper.h b/services/inputflinger/reader/mapper/TouchpadInputMapper.h
new file mode 100644
index 0000000000..fe6b1fe759
--- /dev/null
+++ b/services/inputflinger/reader/mapper/TouchpadInputMapper.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <PointerControllerInterface.h>
+
+#include "EventHub.h"
+#include "InputDevice.h"
+#include "InputMapper.h"
+#include "NotifyArgs.h"
+#include "accumulator/CursorButtonAccumulator.h"
+#include "accumulator/MultiTouchMotionAccumulator.h"
+#include "accumulator/TouchButtonAccumulator.h"
+
+#include "include/gestures.h"
+
+namespace android {
+
+class TouchpadInputMapper : public InputMapper {
+public:
+    explicit TouchpadInputMapper(InputDeviceContext& deviceContext);
+    ~TouchpadInputMapper();
+
+    uint32_t getSources() const override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
+
+    void consumeGesture(const Gesture* gesture);
+
+private:
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> processGestures(nsecs_t when, nsecs_t readTime);
+    NotifyArgs handleMove(nsecs_t when, nsecs_t readTime, const Gesture& gesture);
+    [[nodiscard]] std::list<NotifyArgs> handleButtonsChange(nsecs_t when, nsecs_t readTime,
+                                                            const Gesture& gesture);
+
+    NotifyMotionArgs makeMotionArgs(nsecs_t when, nsecs_t readTime, int32_t action,
+                                    int32_t actionButton, int32_t buttonState,
+                                    uint32_t pointerCount,
+                                    const PointerProperties* pointerProperties,
+                                    const PointerCoords* pointerCoords, float xCursorPosition,
+                                    float yCursorPosition);
+
+    std::unique_ptr<gestures::GestureInterpreter, void (*)(gestures::GestureInterpreter*)>
+            mGestureInterpreter;
+    std::shared_ptr<PointerControllerInterface> mPointerController;
+
+    CursorButtonAccumulator mCursorButtonAccumulator;
+    MultiTouchMotionAccumulator mMotionAccumulator;
+    TouchButtonAccumulator mTouchButtonAccumulator;
+    int32_t mMscTimestamp = 0;
+
+    bool mProcessing = false;
+    std::vector<Gesture> mGesturesToProcess;
+
+    // The current button state according to the gestures library, but converted into MotionEvent
+    // button values (AMOTION_EVENT_BUTTON_...).
+    uint32_t mButtonState = 0;
+    nsecs_t mDownTime = 0;
+};
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/VibratorInputMapper.cpp b/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
index 33db527db1..7645b12f1b 100644
--- a/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
@@ -35,16 +35,18 @@ void VibratorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
     info->setVibrator(true);
 }
 
-void VibratorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> VibratorInputMapper::process(const RawEvent* rawEvent) {
     // TODO: Handle FF_STATUS, although it does not seem to be widely supported.
+    return {};
 }
 
-void VibratorInputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat,
-                                  int32_t token) {
+std::list<NotifyArgs> VibratorInputMapper::vibrate(const VibrationSequence& sequence,
+                                                   ssize_t repeat, int32_t token) {
     if (DEBUG_VIBRATOR) {
         ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%zd, token=%d", getDeviceId(),
               sequence.toString().c_str(), repeat, token);
     }
+    std::list<NotifyArgs> out;
 
     mVibrating = true;
     mSequence = sequence;
@@ -53,19 +55,22 @@ void VibratorInputMapper::vibrate(const VibrationSequence& sequence, ssize_t rep
     mIndex = -1;
 
     // Request InputReader to notify InputManagerService for vibration started.
-    NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), true);
-    getListener().notifyVibratorState(&args);
-    nextStep();
+    out.push_back(
+            NotifyVibratorStateArgs(getContext()->getNextId(), systemTime(), getDeviceId(), true));
+    out += nextStep();
+    return out;
 }
 
-void VibratorInputMapper::cancelVibrate(int32_t token) {
+std::list<NotifyArgs> VibratorInputMapper::cancelVibrate(int32_t token) {
     if (DEBUG_VIBRATOR) {
         ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
     }
+    std::list<NotifyArgs> out;
 
     if (mVibrating && mToken == token) {
-        stopVibrating();
+        out.push_back(stopVibrating());
     }
+    return out;
 }
 
 bool VibratorInputMapper::isVibrating() {
@@ -76,26 +81,29 @@ std::vector<int32_t> VibratorInputMapper::getVibratorIds() {
     return getDeviceContext().getVibratorIds();
 }
 
-void VibratorInputMapper::timeoutExpired(nsecs_t when) {
+std::list<NotifyArgs> VibratorInputMapper::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mVibrating) {
         if (when >= mNextStepTime) {
-            nextStep();
+            out += nextStep();
         } else {
             getContext()->requestTimeoutAtTime(mNextStepTime);
         }
     }
+    return out;
 }
 
-void VibratorInputMapper::nextStep() {
+std::list<NotifyArgs> VibratorInputMapper::nextStep() {
     if (DEBUG_VIBRATOR) {
         ALOGD("nextStep: index=%d, vibrate deviceId=%d", (int)mIndex, getDeviceId());
     }
+    std::list<NotifyArgs> out;
     mIndex += 1;
     if (size_t(mIndex) >= mSequence.pattern.size()) {
         if (mRepeat < 0) {
             // We are done.
-            stopVibrating();
-            return;
+            out.push_back(stopVibrating());
+            return out;
         }
         mIndex = mRepeat;
     }
@@ -122,9 +130,10 @@ void VibratorInputMapper::nextStep() {
     if (DEBUG_VIBRATOR) {
         ALOGD("nextStep: scheduled timeout in %lldms", element.duration.count());
     }
+    return out;
 }
 
-void VibratorInputMapper::stopVibrating() {
+NotifyVibratorStateArgs VibratorInputMapper::stopVibrating() {
     mVibrating = false;
     if (DEBUG_VIBRATOR) {
         ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
@@ -132,8 +141,7 @@ void VibratorInputMapper::stopVibrating() {
     getDeviceContext().cancelVibrate();
 
     // Request InputReader to notify InputManagerService for vibration complete.
-    NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), false);
-    getListener().notifyVibratorState(&args);
+    return NotifyVibratorStateArgs(getContext()->getNextId(), systemTime(), getDeviceId(), false);
 }
 
 void VibratorInputMapper::dump(std::string& dump) {
diff --git a/services/inputflinger/reader/mapper/VibratorInputMapper.h b/services/inputflinger/reader/mapper/VibratorInputMapper.h
index d3c22b60a8..e98f63a8b4 100644
--- a/services/inputflinger/reader/mapper/VibratorInputMapper.h
+++ b/services/inputflinger/reader/mapper/VibratorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -28,13 +27,14 @@ public:
 
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
-    virtual void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) override;
-    virtual void cancelVibrate(int32_t token) override;
+    [[nodiscard]] std::list<NotifyArgs> vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                                int32_t token) override;
+    [[nodiscard]] std::list<NotifyArgs> cancelVibrate(int32_t token) override;
     virtual bool isVibrating() override;
     virtual std::vector<int32_t> getVibratorIds() override;
-    virtual void timeoutExpired(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when) override;
     virtual void dump(std::string& dump) override;
 
 private:
@@ -45,10 +45,8 @@ private:
     ssize_t mIndex;
     nsecs_t mNextStepTime;
 
-    void nextStep();
-    void stopVibrating();
+    [[nodiscard]] std::list<NotifyArgs> nextStep();
+    [[nodiscard]] NotifyVibratorStateArgs stopVibrating();
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h b/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
index 9e159064fa..138060483d 100644
--- a/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
-#define _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -33,6 +32,14 @@ public:
     void process(const RawEvent* rawEvent);
 
     uint32_t getButtonState() const;
+    inline bool isLeftPressed() const { return mBtnLeft; }
+    inline bool isRightPressed() const { return mBtnRight; }
+    inline bool isMiddlePressed() const { return mBtnMiddle; }
+    inline bool isBackPressed() const { return mBtnBack; }
+    inline bool isSidePressed() const { return mBtnSide; }
+    inline bool isForwardPressed() const { return mBtnForward; }
+    inline bool isExtraPressed() const { return mBtnExtra; }
+    inline bool isTaskPressed() const { return mBtnTask; }
 
 private:
     bool mBtnLeft;
@@ -48,5 +55,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h b/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
index 16495599d7..ae1b7a32f4 100644
--- a/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
-#define _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -56,5 +55,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/HidUsageAccumulator.cpp b/services/inputflinger/reader/mapper/accumulator/HidUsageAccumulator.cpp
new file mode 100644
index 0000000000..2da1d814fa
--- /dev/null
+++ b/services/inputflinger/reader/mapper/accumulator/HidUsageAccumulator.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "HidUsageAccumulator.h"
+
+namespace android {
+
+void HidUsageAccumulator::process(const RawEvent& rawEvent) {
+    if (rawEvent.type == EV_MSC && rawEvent.code == MSC_SCAN) {
+        mCurrentHidUsage = rawEvent.value;
+        return;
+    }
+
+    if (rawEvent.type == EV_SYN && rawEvent.code == SYN_REPORT) {
+        reset();
+        return;
+    }
+}
+
+int32_t HidUsageAccumulator::consumeCurrentHidUsage() {
+    const int32_t currentHidUsage = mCurrentHidUsage;
+    reset();
+    return currentHidUsage;
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/ContainerLayer.h b/services/inputflinger/reader/mapper/accumulator/HidUsageAccumulator.h
index 9b7bab1e1d..740a710483 100644
--- a/services/surfaceflinger/ContainerLayer.h
+++ b/services/inputflinger/reader/mapper/accumulator/HidUsageAccumulator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 The Android Open Source Project
+ * Copyright (C) 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,29 +13,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #pragma once
 
-#include <sys/types.h>
+#include "EventHub.h"
 
 #include <cstdint>
 
-#include "Layer.h"
-
 namespace android {
 
-class ContainerLayer : public Layer {
+/* Keeps track of the state of currently reported HID usage code. */
+class HidUsageAccumulator {
 public:
-    explicit ContainerLayer(const LayerCreationArgs&);
-    ~ContainerLayer() override;
+    explicit HidUsageAccumulator() = default;
+    inline void reset() { *this = HidUsageAccumulator(); }
 
-    const char* getType() const override { return "ContainerLayer"; }
-    bool isVisible() const override;
+    void process(const RawEvent& rawEvent);
 
-    bool isCreatedFromMainThread() const override { return true; }
+    /* This must be called when processing the `EV_KEY` event. Returns 0 if invalid. */
+    int32_t consumeCurrentHidUsage();
 
-protected:
-    bool canDrawShadows() const override { return false; }
-    sp<Layer> createClone() override;
+private:
+    int32_t mCurrentHidUsage{};
 };
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.cpp b/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.cpp
new file mode 100644
index 0000000000..8746729425
--- /dev/null
+++ b/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.cpp
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// clang-format off
+#include "../Macros.h"
+// clang-format on
+#include "MultiTouchMotionAccumulator.h"
+
+namespace android {
+
+// --- MultiTouchMotionAccumulator ---
+
+MultiTouchMotionAccumulator::MultiTouchMotionAccumulator()
+      : mCurrentSlot(-1), mUsingSlotsProtocol(false) {}
+
+void MultiTouchMotionAccumulator::configure(InputDeviceContext& deviceContext, size_t slotCount,
+                                            bool usingSlotsProtocol) {
+    mUsingSlotsProtocol = usingSlotsProtocol;
+    mSlots = std::vector<Slot>(slotCount);
+
+    mCurrentSlot = -1;
+    if (mUsingSlotsProtocol) {
+        // Query the driver for the current slot index and use it as the initial slot before we
+        // start reading events from the device.  It is possible that the current slot index will
+        // not be the same as it was when the first event was written into the evdev buffer, which
+        // means the input mapper could start out of sync with the initial state of the events in
+        // the evdev buffer. In the extremely unlikely case that this happens, the data from two
+        // slots will be confused until the next ABS_MT_SLOT event is received. This can cause the
+        // touch point to "jump", but at least there will be no stuck touches.
+        int32_t initialSlot;
+        if (const auto status = deviceContext.getAbsoluteAxisValue(ABS_MT_SLOT, &initialSlot);
+            status == OK) {
+            mCurrentSlot = initialSlot;
+        } else {
+            ALOGD("Could not retrieve current multi-touch slot index. status=%d", status);
+        }
+    }
+}
+
+void MultiTouchMotionAccumulator::resetSlots() {
+    for (Slot& slot : mSlots) {
+        slot.clear();
+    }
+    mCurrentSlot = -1;
+}
+
+void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
+    if (rawEvent->type == EV_ABS) {
+        bool newSlot = false;
+        if (mUsingSlotsProtocol) {
+            if (rawEvent->code == ABS_MT_SLOT) {
+                mCurrentSlot = rawEvent->value;
+                newSlot = true;
+            }
+        } else if (mCurrentSlot < 0) {
+            mCurrentSlot = 0;
+        }
+
+        if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlots.size()) {
+            if (newSlot) {
+                ALOGW_IF(DEBUG_POINTERS,
+                         "MultiTouch device emitted invalid slot index %d but it "
+                         "should be between 0 and %zd; ignoring this slot.",
+                         mCurrentSlot, mSlots.size() - 1);
+            }
+        } else {
+            Slot& slot = mSlots[mCurrentSlot];
+            // If mUsingSlotsProtocol is true, it means the raw pointer has axis info of
+            // ABS_MT_TRACKING_ID and ABS_MT_SLOT, so driver should send a valid trackingId while
+            // updating the slot.
+            if (!mUsingSlotsProtocol) {
+                slot.mInUse = true;
+            }
+
+            switch (rawEvent->code) {
+                case ABS_MT_POSITION_X:
+                    slot.mAbsMtPositionX = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, slot);
+                    break;
+                case ABS_MT_POSITION_Y:
+                    slot.mAbsMtPositionY = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, slot);
+                    break;
+                case ABS_MT_TOUCH_MAJOR:
+                    slot.mAbsMtTouchMajor = rawEvent->value;
+                    break;
+                case ABS_MT_TOUCH_MINOR:
+                    slot.mAbsMtTouchMinor = rawEvent->value;
+                    slot.mHaveAbsMtTouchMinor = true;
+                    break;
+                case ABS_MT_WIDTH_MAJOR:
+                    slot.mAbsMtWidthMajor = rawEvent->value;
+                    break;
+                case ABS_MT_WIDTH_MINOR:
+                    slot.mAbsMtWidthMinor = rawEvent->value;
+                    slot.mHaveAbsMtWidthMinor = true;
+                    break;
+                case ABS_MT_ORIENTATION:
+                    slot.mAbsMtOrientation = rawEvent->value;
+                    break;
+                case ABS_MT_TRACKING_ID:
+                    if (mUsingSlotsProtocol && rawEvent->value < 0) {
+                        // The slot is no longer in use but it retains its previous contents,
+                        // which may be reused for subsequent touches.
+                        slot.mInUse = false;
+                    } else {
+                        slot.mInUse = true;
+                        slot.mAbsMtTrackingId = rawEvent->value;
+                    }
+                    break;
+                case ABS_MT_PRESSURE:
+                    slot.mAbsMtPressure = rawEvent->value;
+                    break;
+                case ABS_MT_DISTANCE:
+                    slot.mAbsMtDistance = rawEvent->value;
+                    break;
+                case ABS_MT_TOOL_TYPE:
+                    slot.mAbsMtToolType = rawEvent->value;
+                    slot.mHaveAbsMtToolType = true;
+                    break;
+            }
+        }
+    } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_MT_REPORT) {
+        // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
+        mCurrentSlot += 1;
+    }
+}
+
+void MultiTouchMotionAccumulator::finishSync() {
+    if (!mUsingSlotsProtocol) {
+        resetSlots();
+    }
+}
+
+void MultiTouchMotionAccumulator::warnIfNotInUse(const RawEvent& event, const Slot& slot) {
+    if (!slot.mInUse) {
+        ALOGW("Received unexpected event (0x%0x, 0x%0x) for slot %i with tracking id %i",
+              event.code, event.value, mCurrentSlot, slot.mAbsMtTrackingId);
+    }
+}
+
+// --- MultiTouchMotionAccumulator::Slot ---
+
+int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
+    if (mHaveAbsMtToolType) {
+        switch (mAbsMtToolType) {
+            case MT_TOOL_FINGER:
+                return AMOTION_EVENT_TOOL_TYPE_FINGER;
+            case MT_TOOL_PEN:
+                return AMOTION_EVENT_TOOL_TYPE_STYLUS;
+            case MT_TOOL_PALM:
+                return AMOTION_EVENT_TOOL_TYPE_PALM;
+        }
+    }
+    return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.h b/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.h
new file mode 100644
index 0000000000..62bc780df5
--- /dev/null
+++ b/services/inputflinger/reader/mapper/accumulator/MultiTouchMotionAccumulator.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <linux/input-event-codes.h>
+#include <stdint.h>
+#include <vector>
+
+#include "EventHub.h"
+#include "InputDevice.h"
+
+namespace android {
+
+/* Keeps track of the state of multi-touch protocol. */
+class MultiTouchMotionAccumulator {
+public:
+    class Slot {
+    public:
+        inline bool isInUse() const { return mInUse; }
+        inline int32_t getX() const { return mAbsMtPositionX; }
+        inline int32_t getY() const { return mAbsMtPositionY; }
+        inline int32_t getTouchMajor() const { return mAbsMtTouchMajor; }
+        inline int32_t getTouchMinor() const {
+            return mHaveAbsMtTouchMinor ? mAbsMtTouchMinor : mAbsMtTouchMajor;
+        }
+        inline int32_t getToolMajor() const { return mAbsMtWidthMajor; }
+        inline int32_t getToolMinor() const {
+            return mHaveAbsMtWidthMinor ? mAbsMtWidthMinor : mAbsMtWidthMajor;
+        }
+        inline int32_t getOrientation() const { return mAbsMtOrientation; }
+        inline int32_t getTrackingId() const { return mAbsMtTrackingId; }
+        inline int32_t getPressure() const { return mAbsMtPressure; }
+        inline int32_t getDistance() const { return mAbsMtDistance; }
+        int32_t getToolType() const;
+
+    private:
+        friend class MultiTouchMotionAccumulator;
+
+        bool mInUse = false;
+        bool mHaveAbsMtTouchMinor = false;
+        bool mHaveAbsMtWidthMinor = false;
+        bool mHaveAbsMtToolType = false;
+
+        int32_t mAbsMtPositionX = 0;
+        int32_t mAbsMtPositionY = 0;
+        int32_t mAbsMtTouchMajor = 0;
+        int32_t mAbsMtTouchMinor = 0;
+        int32_t mAbsMtWidthMajor = 0;
+        int32_t mAbsMtWidthMinor = 0;
+        int32_t mAbsMtOrientation = 0;
+        int32_t mAbsMtTrackingId = -1;
+        int32_t mAbsMtPressure = 0;
+        int32_t mAbsMtDistance = 0;
+        int32_t mAbsMtToolType = 0;
+
+        void clear() { *this = Slot(); }
+    };
+
+    MultiTouchMotionAccumulator();
+
+    void configure(InputDeviceContext& deviceContext, size_t slotCount, bool usingSlotsProtocol);
+    void process(const RawEvent* rawEvent);
+    void finishSync();
+
+    inline size_t getSlotCount() const { return mSlots.size(); }
+    inline const Slot& getSlot(size_t index) const {
+        LOG_ALWAYS_FATAL_IF(index < 0 || index >= mSlots.size(), "Invalid index: %zu", index);
+        return mSlots[index];
+    }
+
+private:
+    int32_t mCurrentSlot;
+    std::vector<Slot> mSlots;
+    bool mUsingSlotsProtocol;
+
+    void resetSlots();
+    void warnIfNotInUse(const RawEvent& event, const Slot& slot);
+};
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h b/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
index 4c011f16a7..93056f06e6 100644
--- a/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
-#define _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -53,5 +52,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
index 86153d3f5e..66017024eb 100644
--- a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
+++ b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.cpp
@@ -21,55 +21,40 @@
 
 namespace android {
 
-TouchButtonAccumulator::TouchButtonAccumulator() : mHaveBtnTouch(false), mHaveStylus(false) {
-    clearButtons();
+void TouchButtonAccumulator::configure() {
+    mHaveBtnTouch = mDeviceContext.hasScanCode(BTN_TOUCH);
+    mHaveStylus = mDeviceContext.hasScanCode(BTN_TOOL_PEN) ||
+            mDeviceContext.hasScanCode(BTN_TOOL_RUBBER) ||
+            mDeviceContext.hasScanCode(BTN_TOOL_BRUSH) ||
+            mDeviceContext.hasScanCode(BTN_TOOL_PENCIL) ||
+            mDeviceContext.hasScanCode(BTN_TOOL_AIRBRUSH);
 }
 
-void TouchButtonAccumulator::configure(InputDeviceContext& deviceContext) {
-    mHaveBtnTouch = deviceContext.hasScanCode(BTN_TOUCH);
-    mHaveStylus = deviceContext.hasScanCode(BTN_TOOL_PEN) ||
-            deviceContext.hasScanCode(BTN_TOOL_RUBBER) ||
-            deviceContext.hasScanCode(BTN_TOOL_BRUSH) ||
-            deviceContext.hasScanCode(BTN_TOOL_PENCIL) ||
-            deviceContext.hasScanCode(BTN_TOOL_AIRBRUSH);
-}
-
-void TouchButtonAccumulator::reset(InputDeviceContext& deviceContext) {
-    mBtnTouch = deviceContext.isKeyPressed(BTN_TOUCH);
-    mBtnStylus = deviceContext.isKeyPressed(BTN_STYLUS);
+void TouchButtonAccumulator::reset() {
+    mBtnTouch = mDeviceContext.isKeyPressed(BTN_TOUCH);
+    mBtnStylus = mDeviceContext.isKeyPressed(BTN_STYLUS) ||
+            mDeviceContext.isKeyCodePressed(AKEYCODE_STYLUS_BUTTON_PRIMARY);
     // BTN_0 is what gets mapped for the HID usage Digitizers.SecondaryBarrelSwitch
-    mBtnStylus2 = deviceContext.isKeyPressed(BTN_STYLUS2) || deviceContext.isKeyPressed(BTN_0);
-    mBtnToolFinger = deviceContext.isKeyPressed(BTN_TOOL_FINGER);
-    mBtnToolPen = deviceContext.isKeyPressed(BTN_TOOL_PEN);
-    mBtnToolRubber = deviceContext.isKeyPressed(BTN_TOOL_RUBBER);
-    mBtnToolBrush = deviceContext.isKeyPressed(BTN_TOOL_BRUSH);
-    mBtnToolPencil = deviceContext.isKeyPressed(BTN_TOOL_PENCIL);
-    mBtnToolAirbrush = deviceContext.isKeyPressed(BTN_TOOL_AIRBRUSH);
-    mBtnToolMouse = deviceContext.isKeyPressed(BTN_TOOL_MOUSE);
-    mBtnToolLens = deviceContext.isKeyPressed(BTN_TOOL_LENS);
-    mBtnToolDoubleTap = deviceContext.isKeyPressed(BTN_TOOL_DOUBLETAP);
-    mBtnToolTripleTap = deviceContext.isKeyPressed(BTN_TOOL_TRIPLETAP);
-    mBtnToolQuadTap = deviceContext.isKeyPressed(BTN_TOOL_QUADTAP);
-}
-
-void TouchButtonAccumulator::clearButtons() {
-    mBtnTouch = 0;
-    mBtnStylus = 0;
-    mBtnStylus2 = 0;
-    mBtnToolFinger = 0;
-    mBtnToolPen = 0;
-    mBtnToolRubber = 0;
-    mBtnToolBrush = 0;
-    mBtnToolPencil = 0;
-    mBtnToolAirbrush = 0;
-    mBtnToolMouse = 0;
-    mBtnToolLens = 0;
-    mBtnToolDoubleTap = 0;
-    mBtnToolTripleTap = 0;
-    mBtnToolQuadTap = 0;
+    mBtnStylus2 = mDeviceContext.isKeyPressed(BTN_STYLUS2) || mDeviceContext.isKeyPressed(BTN_0) ||
+            mDeviceContext.isKeyCodePressed(AKEYCODE_STYLUS_BUTTON_SECONDARY);
+    mBtnToolFinger = mDeviceContext.isKeyPressed(BTN_TOOL_FINGER);
+    mBtnToolPen = mDeviceContext.isKeyPressed(BTN_TOOL_PEN);
+    mBtnToolRubber = mDeviceContext.isKeyPressed(BTN_TOOL_RUBBER);
+    mBtnToolBrush = mDeviceContext.isKeyPressed(BTN_TOOL_BRUSH);
+    mBtnToolPencil = mDeviceContext.isKeyPressed(BTN_TOOL_PENCIL);
+    mBtnToolAirbrush = mDeviceContext.isKeyPressed(BTN_TOOL_AIRBRUSH);
+    mBtnToolMouse = mDeviceContext.isKeyPressed(BTN_TOOL_MOUSE);
+    mBtnToolLens = mDeviceContext.isKeyPressed(BTN_TOOL_LENS);
+    mBtnToolDoubleTap = mDeviceContext.isKeyPressed(BTN_TOOL_DOUBLETAP);
+    mBtnToolTripleTap = mDeviceContext.isKeyPressed(BTN_TOOL_TRIPLETAP);
+    mBtnToolQuadTap = mDeviceContext.isKeyPressed(BTN_TOOL_QUADTAP);
+    mBtnToolQuintTap = mDeviceContext.isKeyPressed(BTN_TOOL_QUINTTAP);
+    mHidUsageAccumulator.reset();
 }
 
 void TouchButtonAccumulator::process(const RawEvent* rawEvent) {
+    mHidUsageAccumulator.process(*rawEvent);
+
     if (rawEvent->type == EV_KEY) {
         switch (rawEvent->code) {
             case BTN_TOUCH:
@@ -116,7 +101,32 @@ void TouchButtonAccumulator::process(const RawEvent* rawEvent) {
             case BTN_TOOL_QUADTAP:
                 mBtnToolQuadTap = rawEvent->value;
                 break;
+            case BTN_TOOL_QUINTTAP:
+                mBtnToolQuintTap = rawEvent->value;
+                break;
+            default:
+                processMappedKey(rawEvent->code, rawEvent->value);
         }
+        return;
+    }
+}
+
+void TouchButtonAccumulator::processMappedKey(int32_t scanCode, bool down) {
+    int32_t keyCode, metaState;
+    uint32_t flags;
+    if (mDeviceContext.mapKey(scanCode, mHidUsageAccumulator.consumeCurrentHidUsage(),
+                              0 /*metaState*/, &keyCode, &metaState, &flags) != OK) {
+        return;
+    }
+    switch (keyCode) {
+        case AKEYCODE_STYLUS_BUTTON_PRIMARY:
+            mBtnStylus = down;
+            break;
+        case AKEYCODE_STYLUS_BUTTON_SECONDARY:
+            mBtnStylus2 = down;
+            break;
+        default:
+            break;
     }
 }
 
@@ -141,7 +151,8 @@ int32_t TouchButtonAccumulator::getToolType() const {
     if (mBtnToolPen || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush) {
         return AMOTION_EVENT_TOOL_TYPE_STYLUS;
     }
-    if (mBtnToolFinger || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap) {
+    if (mBtnToolFinger || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap ||
+        mBtnToolQuintTap) {
         return AMOTION_EVENT_TOOL_TYPE_FINGER;
     }
     return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
@@ -150,7 +161,7 @@ int32_t TouchButtonAccumulator::getToolType() const {
 bool TouchButtonAccumulator::isToolActive() const {
     return mBtnTouch || mBtnToolFinger || mBtnToolPen || mBtnToolRubber || mBtnToolBrush ||
             mBtnToolPencil || mBtnToolAirbrush || mBtnToolMouse || mBtnToolLens ||
-            mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap;
+            mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap || mBtnToolQuintTap;
 }
 
 bool TouchButtonAccumulator::isHovering() const {
@@ -161,4 +172,19 @@ bool TouchButtonAccumulator::hasStylus() const {
     return mHaveStylus;
 }
 
+bool TouchButtonAccumulator::hasButtonTouch() const {
+    return mHaveBtnTouch;
+}
+
+int TouchButtonAccumulator::getTouchCount() const {
+    if (mBtnTouch) {
+        if (mBtnToolQuintTap) return 5;
+        if (mBtnToolQuadTap) return 4;
+        if (mBtnToolTripleTap) return 3;
+        if (mBtnToolDoubleTap) return 2;
+        if (mBtnToolFinger) return 1;
+    }
+    return 0;
+}
+
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
index 22ebb720d5..2e70e2e50d 100644
--- a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
-#define _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
+#pragma once
 
-#include <stdint.h>
+#include <cstdint>
+#include "HidUsageAccumulator.h"
 
 namespace android {
 
@@ -27,9 +27,11 @@ struct RawEvent;
 /* Keeps track of the state of touch, stylus and tool buttons. */
 class TouchButtonAccumulator {
 public:
-    TouchButtonAccumulator();
-    void configure(InputDeviceContext& deviceContext);
-    void reset(InputDeviceContext& deviceContext);
+    explicit TouchButtonAccumulator(InputDeviceContext& deviceContext)
+          : mDeviceContext(deviceContext){};
+
+    void configure();
+    void reset();
 
     void process(const RawEvent* rawEvent);
 
@@ -38,29 +40,34 @@ public:
     bool isToolActive() const;
     bool isHovering() const;
     bool hasStylus() const;
+    bool hasButtonTouch() const;
+    int getTouchCount() const;
 
 private:
-    bool mHaveBtnTouch;
-    bool mHaveStylus;
+    bool mHaveBtnTouch{};
+    bool mHaveStylus{};
+
+    bool mBtnTouch{};
+    bool mBtnStylus{};
+    bool mBtnStylus2{};
+    bool mBtnToolFinger{};
+    bool mBtnToolPen{};
+    bool mBtnToolRubber{};
+    bool mBtnToolBrush{};
+    bool mBtnToolPencil{};
+    bool mBtnToolAirbrush{};
+    bool mBtnToolMouse{};
+    bool mBtnToolLens{};
+    bool mBtnToolDoubleTap{};
+    bool mBtnToolTripleTap{};
+    bool mBtnToolQuadTap{};
+    bool mBtnToolQuintTap{};
 
-    bool mBtnTouch;
-    bool mBtnStylus;
-    bool mBtnStylus2;
-    bool mBtnToolFinger;
-    bool mBtnToolPen;
-    bool mBtnToolRubber;
-    bool mBtnToolBrush;
-    bool mBtnToolPencil;
-    bool mBtnToolAirbrush;
-    bool mBtnToolMouse;
-    bool mBtnToolLens;
-    bool mBtnToolDoubleTap;
-    bool mBtnToolTripleTap;
-    bool mBtnToolQuadTap;
+    HidUsageAccumulator mHidUsageAccumulator{};
 
-    void clearButtons();
+    InputDeviceContext& mDeviceContext;
+
+    void processMappedKey(int32_t scanCode, bool down);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/gestures/GesturesLogging.cpp b/services/inputflinger/reader/mapper/gestures/GesturesLogging.cpp
new file mode 100644
index 0000000000..81b4968df8
--- /dev/null
+++ b/services/inputflinger/reader/mapper/gestures/GesturesLogging.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LOG_TAG
+#define LOG_TAG "Gestures"
+#endif
+
+#include <stdio.h>
+
+#include <log/log.h>
+
+#include "include/gestures.h"
+
+extern "C" {
+
+void gestures_log(int verb, const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    if (verb == GESTURES_LOG_ERROR) {
+        LOG_PRI_VA(ANDROID_LOG_ERROR, LOG_TAG, fmt, args);
+    } else if (verb == GESTURES_LOG_INFO) {
+        LOG_PRI_VA(ANDROID_LOG_INFO, LOG_TAG, fmt, args);
+    } else {
+        LOG_PRI_VA(ANDROID_LOG_DEBUG, LOG_TAG, fmt, args);
+    }
+    va_end(args);
+}
+}
diff --git a/services/inputflinger/reporter/Android.bp b/services/inputflinger/reporter/Android.bp
index 74307310c5..693ff063b1 100644
--- a/services/inputflinger/reporter/Android.bp
+++ b/services/inputflinger/reporter/Android.bp
@@ -23,13 +23,14 @@ package {
 
 cc_library_headers {
     name: "libinputreporter_headers",
+    host_supported: true,
     export_include_dirs: ["."],
 }
 
 filegroup {
     name: "libinputreporter_sources",
     srcs: [
-            "InputReporter.cpp",
+        "InputReporter.cpp",
     ],
 }
 
diff --git a/services/inputflinger/reporter/InputReporter.cpp b/services/inputflinger/reporter/InputReporter.cpp
index b591d3f909..6f1eef653c 100644
--- a/services/inputflinger/reporter/InputReporter.cpp
+++ b/services/inputflinger/reporter/InputReporter.cpp
@@ -35,7 +35,7 @@ void InputReporter::reportDroppedKey(uint32_t sequenceNum) {
 }
 
 sp<InputReporterInterface> createInputReporter() {
-    return new InputReporter();
+    return sp<InputReporter>::make();
 }
 
 } // namespace android
diff --git a/services/inputflinger/reporter/InputReporterInterface.h b/services/inputflinger/reporter/InputReporterInterface.h
index e5d360609f..72a4aeb13b 100644
--- a/services/inputflinger/reporter/InputReporterInterface.h
+++ b/services/inputflinger/reporter/InputReporterInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_REPORTER_INTERFACE_H
-#define _UI_INPUT_REPORTER_INTERFACE_H
+#pragma once
 
 #include <utils/RefBase.h>
 
@@ -49,5 +48,3 @@ public:
 sp<InputReporterInterface> createInputReporter();
 
 } // namespace android
-
-#endif // _UI_INPUT_REPORTER_INTERFACE_H
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index 75cd9da782..53d821f197 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -23,6 +23,7 @@ package {
 
 cc_test {
     name: "inputflinger_tests",
+    host_supported: true,
     defaults: [
         "inputflinger_defaults",
         // For all targets inside inputflinger, these tests build all of their sources using their
@@ -39,14 +40,18 @@ cc_test {
         "AnrTracker_test.cpp",
         "BlockingQueue_test.cpp",
         "EventHub_test.cpp",
+        "FakeEventHub.cpp",
+        "FakeInputReaderPolicy.cpp",
+        "FakePointerController.cpp",
         "FocusResolver_test.cpp",
-        "IInputFlingerQuery.aidl",
-        "InputClassifier_test.cpp",
-        "InputClassifierConverter_test.cpp",
+        "InputMapperTest.cpp",
+        "InputProcessor_test.cpp",
+        "InputProcessorConverter_test.cpp",
         "InputDispatcher_test.cpp",
         "InputReader_test.cpp",
-        "InputFlingerService_test.cpp",
+        "InstrumentedInputReader.cpp",
         "LatencyTracker_test.cpp",
+        "NotifyArgs_test.cpp",
         "PreferStylusOverTouch_test.cpp",
         "TestInputListener.cpp",
         "UinputDevice.cpp",
@@ -58,10 +63,33 @@ cc_test {
             "frameworks/native/libs/input",
         ],
     },
+    target: {
+        android: {
+            shared_libs: [
+                "libinput",
+                "libvintf",
+            ],
+        },
+        host: {
+            include_dirs: [
+                "bionic/libc/kernel/android/uapi/",
+                "bionic/libc/kernel/uapi",
+            ],
+            cflags: [
+                "-D__ANDROID_HOST__",
+            ],
+            static_libs: [
+                "libinput",
+            ],
+        },
+    },
     static_libs: [
         "libc++fs",
         "libgmock",
     ],
     require_root: true,
+    test_options: {
+        unit_test: true,
+    },
     test_suites: ["device-tests"],
 }
diff --git a/services/inputflinger/tests/AnrTracker_test.cpp b/services/inputflinger/tests/AnrTracker_test.cpp
index b561da107d..25adeea48f 100644
--- a/services/inputflinger/tests/AnrTracker_test.cpp
+++ b/services/inputflinger/tests/AnrTracker_test.cpp
@@ -40,8 +40,8 @@ TEST(AnrTrackerTest, SingleEntry_First) {
 TEST(AnrTrackerTest, MultipleEntries_RemoveToken) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(1, token1);
     tracker.insert(2, token2);
@@ -90,8 +90,8 @@ TEST(AnrTrackerTest, SingleToken_MaintainsOrder) {
 TEST(AnrTrackerTest, MultipleTokens_MaintainsOrder) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(5, token2);
@@ -104,8 +104,8 @@ TEST(AnrTrackerTest, MultipleTokens_MaintainsOrder) {
 TEST(AnrTrackerTest, MultipleTokens_IdenticalTimes) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(2, token2);
@@ -119,8 +119,8 @@ TEST(AnrTrackerTest, MultipleTokens_IdenticalTimes) {
 TEST(AnrTrackerTest, MultipleTokens_IdenticalTimesRemove) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(2, token2);
@@ -137,7 +137,7 @@ TEST(AnrTrackerTest, Empty_DoesntCrash) {
 
     ASSERT_TRUE(tracker.empty());
 
-    ASSERT_EQ(LONG_LONG_MAX, tracker.firstTimeout());
+    ASSERT_EQ(LLONG_MAX, tracker.firstTimeout());
     // Can't call firstToken() if tracker.empty()
 }
 
@@ -152,12 +152,12 @@ TEST(AnrTrackerTest, RemoveInvalidItem_DoesntCrash) {
     ASSERT_EQ(nullptr, tracker.firstToken());
 
     // Remove with non-matching token
-    tracker.erase(1, new BBinder());
+    tracker.erase(1, sp<BBinder>::make());
     ASSERT_EQ(1, tracker.firstTimeout());
     ASSERT_EQ(nullptr, tracker.firstToken());
 
     // Remove with both non-matching
-    tracker.erase(2, new BBinder());
+    tracker.erase(2, sp<BBinder>::make());
     ASSERT_EQ(1, tracker.firstTimeout());
     ASSERT_EQ(nullptr, tracker.firstToken());
 }
diff --git a/services/inputflinger/tests/EventHub_test.cpp b/services/inputflinger/tests/EventHub_test.cpp
index 6ef6e4498c..2e296daa22 100644
--- a/services/inputflinger/tests/EventHub_test.cpp
+++ b/services/inputflinger/tests/EventHub_test.cpp
@@ -68,12 +68,18 @@ protected:
     int32_t mDeviceId;
 
     virtual void SetUp() override {
+#if !defined(__ANDROID__)
+        GTEST_SKIP() << "It's only possible to interact with uinput on device";
+#endif
         mEventHub = std::make_unique<EventHub>();
         consumeInitialDeviceAddedEvents();
         mKeyboard = createUinputDevice<UinputHomeKey>();
         ASSERT_NO_FATAL_FAILURE(mDeviceId = waitForDeviceCreation());
     }
     virtual void TearDown() override {
+#if !defined(__ANDROID__)
+        return;
+#endif
         mKeyboard.reset();
         waitForDeviceClose(mDeviceId);
         assertNoMoreEvents();
@@ -99,8 +105,6 @@ protected:
 };
 
 std::vector<RawEvent> EventHubTest::getEvents(std::optional<size_t> expectedEvents) {
-    static constexpr size_t EVENT_BUFFER_SIZE = 256;
-    std::array<RawEvent, EVENT_BUFFER_SIZE> eventBuffer;
     std::vector<RawEvent> events;
 
     while (true) {
@@ -108,12 +112,12 @@ std::vector<RawEvent> EventHubTest::getEvents(std::optional<size_t> expectedEven
         if (expectedEvents) {
             timeout = 2s;
         }
-        const size_t count =
-                mEventHub->getEvents(timeout.count(), eventBuffer.data(), eventBuffer.size());
-        if (count == 0) {
+
+        std::vector<RawEvent> newEvents = mEventHub->getEvents(timeout.count());
+        if (newEvents.empty()) {
             break;
         }
-        events.insert(events.end(), eventBuffer.begin(), eventBuffer.begin() + count);
+        events.insert(events.end(), newEvents.begin(), newEvents.end());
         if (expectedEvents && events.size() >= *expectedEvents) {
             break;
         }
diff --git a/services/inputflinger/tests/FakeEventHub.cpp b/services/inputflinger/tests/FakeEventHub.cpp
new file mode 100644
index 0000000000..289a7809cc
--- /dev/null
+++ b/services/inputflinger/tests/FakeEventHub.cpp
@@ -0,0 +1,596 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FakeEventHub.h"
+
+#include <android-base/thread_annotations.h>
+#include <gtest/gtest.h>
+#include <linux/input-event-codes.h>
+
+#include "TestConstants.h"
+
+namespace android {
+
+const std::string FakeEventHub::BATTERY_DEVPATH = "/sys/devices/mydevice/power_supply/mybattery";
+
+FakeEventHub::~FakeEventHub() {
+    for (size_t i = 0; i < mDevices.size(); i++) {
+        delete mDevices.valueAt(i);
+    }
+}
+
+void FakeEventHub::addDevice(int32_t deviceId, const std::string& name,
+                             ftl::Flags<InputDeviceClass> classes, int bus) {
+    Device* device = new Device(classes);
+    device->identifier.name = name;
+    device->identifier.bus = bus;
+    mDevices.add(deviceId, device);
+
+    enqueueEvent(ARBITRARY_TIME, READ_TIME, deviceId, EventHubInterface::DEVICE_ADDED, 0, 0);
+}
+
+void FakeEventHub::removeDevice(int32_t deviceId) {
+    delete mDevices.valueFor(deviceId);
+    mDevices.removeItem(deviceId);
+
+    enqueueEvent(ARBITRARY_TIME, READ_TIME, deviceId, EventHubInterface::DEVICE_REMOVED, 0, 0);
+}
+
+bool FakeEventHub::isDeviceEnabled(int32_t deviceId) const {
+    Device* device = getDevice(deviceId);
+    if (device == nullptr) {
+        ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
+        return false;
+    }
+    return device->enabled;
+}
+
+status_t FakeEventHub::enableDevice(int32_t deviceId) {
+    status_t result;
+    Device* device = getDevice(deviceId);
+    if (device == nullptr) {
+        ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
+        return BAD_VALUE;
+    }
+    if (device->enabled) {
+        ALOGW("Duplicate call to %s, device %" PRId32 " already enabled", __func__, deviceId);
+        return OK;
+    }
+    result = device->enable();
+    return result;
+}
+
+status_t FakeEventHub::disableDevice(int32_t deviceId) {
+    Device* device = getDevice(deviceId);
+    if (device == nullptr) {
+        ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
+        return BAD_VALUE;
+    }
+    if (!device->enabled) {
+        ALOGW("Duplicate call to %s, device %" PRId32 " already disabled", __func__, deviceId);
+        return OK;
+    }
+    return device->disable();
+}
+
+void FakeEventHub::finishDeviceScan() {
+    enqueueEvent(ARBITRARY_TIME, READ_TIME, 0, EventHubInterface::FINISHED_DEVICE_SCAN, 0, 0);
+}
+
+void FakeEventHub::addConfigurationProperty(int32_t deviceId, const char* key, const char* value) {
+    getDevice(deviceId)->configuration.addProperty(key, value);
+}
+
+void FakeEventHub::addConfigurationMap(int32_t deviceId, const PropertyMap* configuration) {
+    getDevice(deviceId)->configuration.addAll(configuration);
+}
+
+void FakeEventHub::addAbsoluteAxis(int32_t deviceId, int axis, int32_t minValue, int32_t maxValue,
+                                   int flat, int fuzz, int resolution) {
+    Device* device = getDevice(deviceId);
+
+    RawAbsoluteAxisInfo info;
+    info.valid = true;
+    info.minValue = minValue;
+    info.maxValue = maxValue;
+    info.flat = flat;
+    info.fuzz = fuzz;
+    info.resolution = resolution;
+    device->absoluteAxes.add(axis, info);
+}
+
+void FakeEventHub::addRelativeAxis(int32_t deviceId, int32_t axis) {
+    getDevice(deviceId)->relativeAxes.add(axis, true);
+}
+
+void FakeEventHub::setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state) {
+    getDevice(deviceId)->keyCodeStates.replaceValueFor(keyCode, state);
+}
+
+void FakeEventHub::setCountryCode(int32_t deviceId, InputDeviceCountryCode countryCode) {
+    getDevice(deviceId)->countryCode = countryCode;
+}
+
+void FakeEventHub::setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state) {
+    getDevice(deviceId)->scanCodeStates.replaceValueFor(scanCode, state);
+}
+
+void FakeEventHub::setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state) {
+    getDevice(deviceId)->switchStates.replaceValueFor(switchCode, state);
+}
+
+void FakeEventHub::setAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t value) {
+    getDevice(deviceId)->absoluteAxisValue.replaceValueFor(axis, value);
+}
+
+void FakeEventHub::addKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t keyCode,
+                          uint32_t flags) {
+    Device* device = getDevice(deviceId);
+    KeyInfo info;
+    info.keyCode = keyCode;
+    info.flags = flags;
+    if (scanCode) {
+        device->keysByScanCode.add(scanCode, info);
+    }
+    if (usageCode) {
+        device->keysByUsageCode.add(usageCode, info);
+    }
+}
+
+void FakeEventHub::addKeyCodeMapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) {
+    getDevice(deviceId)->keyCodeMapping.insert_or_assign(fromKeyCode, toKeyCode);
+}
+
+void FakeEventHub::addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const {
+    Device* device = getDevice(deviceId);
+    device->keyRemapping.insert_or_assign(fromKeyCode, toKeyCode);
+}
+
+void FakeEventHub::addLed(int32_t deviceId, int32_t led, bool initialState) {
+    getDevice(deviceId)->leds.add(led, initialState);
+}
+
+void FakeEventHub::addSensorAxis(int32_t deviceId, int32_t absCode,
+                                 InputDeviceSensorType sensorType, int32_t sensorDataIndex) {
+    SensorInfo info;
+    info.sensorType = sensorType;
+    info.sensorDataIndex = sensorDataIndex;
+    getDevice(deviceId)->sensorsByAbsCode.emplace(absCode, info);
+}
+
+void FakeEventHub::setMscEvent(int32_t deviceId, int32_t mscEvent) {
+    typename BitArray<MSC_MAX>::Buffer buffer;
+    buffer[mscEvent / 32] = 1 << mscEvent % 32;
+    getDevice(deviceId)->mscBitmask.loadFromBuffer(buffer);
+}
+
+void FakeEventHub::addRawLightInfo(int32_t rawId, RawLightInfo&& info) {
+    mRawLightInfos.emplace(rawId, std::move(info));
+}
+
+void FakeEventHub::fakeLightBrightness(int32_t rawId, int32_t brightness) {
+    mLightBrightness.emplace(rawId, brightness);
+}
+
+void FakeEventHub::fakeLightIntensities(int32_t rawId,
+                                        const std::unordered_map<LightColor, int32_t> intensities) {
+    mLightIntensities.emplace(rawId, std::move(intensities));
+}
+
+bool FakeEventHub::getLedState(int32_t deviceId, int32_t led) {
+    return getDevice(deviceId)->leds.valueFor(led);
+}
+
+std::vector<std::string>& FakeEventHub::getExcludedDevices() {
+    return mExcludedDevices;
+}
+
+void FakeEventHub::addVirtualKeyDefinition(int32_t deviceId,
+                                           const VirtualKeyDefinition& definition) {
+    getDevice(deviceId)->virtualKeys.push_back(definition);
+}
+
+void FakeEventHub::enqueueEvent(nsecs_t when, nsecs_t readTime, int32_t deviceId, int32_t type,
+                                int32_t code, int32_t value) {
+    std::scoped_lock<std::mutex> lock(mLock);
+    RawEvent event;
+    event.when = when;
+    event.readTime = readTime;
+    event.deviceId = deviceId;
+    event.type = type;
+    event.code = code;
+    event.value = value;
+    mEvents.push_back(event);
+
+    if (type == EV_ABS) {
+        setAbsoluteAxisValue(deviceId, code, value);
+    }
+}
+
+void FakeEventHub::setVideoFrames(
+        std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> videoFrames) {
+    mVideoFrames = std::move(videoFrames);
+}
+
+void FakeEventHub::assertQueueIsEmpty() {
+    std::unique_lock<std::mutex> lock(mLock);
+    base::ScopedLockAssertion assumeLocked(mLock);
+    const bool queueIsEmpty =
+            mEventsCondition.wait_for(lock, WAIT_TIMEOUT,
+                                      [this]() REQUIRES(mLock) { return mEvents.size() == 0; });
+    if (!queueIsEmpty) {
+        FAIL() << "Timed out waiting for EventHub queue to be emptied.";
+    }
+}
+
+FakeEventHub::Device* FakeEventHub::getDevice(int32_t deviceId) const {
+    ssize_t index = mDevices.indexOfKey(deviceId);
+    return index >= 0 ? mDevices.valueAt(index) : nullptr;
+}
+
+ftl::Flags<InputDeviceClass> FakeEventHub::getDeviceClasses(int32_t deviceId) const {
+    Device* device = getDevice(deviceId);
+    return device ? device->classes : ftl::Flags<InputDeviceClass>(0);
+}
+
+InputDeviceIdentifier FakeEventHub::getDeviceIdentifier(int32_t deviceId) const {
+    Device* device = getDevice(deviceId);
+    return device ? device->identifier : InputDeviceIdentifier();
+}
+
+int32_t FakeEventHub::getDeviceControllerNumber(int32_t) const {
+    return 0;
+}
+
+void FakeEventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        *outConfiguration = device->configuration;
+    }
+}
+
+status_t FakeEventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis,
+                                           RawAbsoluteAxisInfo* outAxisInfo) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->absoluteAxes.indexOfKey(axis);
+        if (index >= 0) {
+            *outAxisInfo = device->absoluteAxes.valueAt(index);
+            return OK;
+        }
+    }
+    outAxisInfo->clear();
+    return -1;
+}
+
+bool FakeEventHub::hasRelativeAxis(int32_t deviceId, int axis) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        return device->relativeAxes.indexOfKey(axis) >= 0;
+    }
+    return false;
+}
+
+bool FakeEventHub::hasInputProperty(int32_t, int) const {
+    return false;
+}
+
+bool FakeEventHub::hasMscEvent(int32_t deviceId, int mscEvent) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        return mscEvent >= 0 && mscEvent <= MSC_MAX ? device->mscBitmask.test(mscEvent) : false;
+    }
+    return false;
+}
+
+status_t FakeEventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+                              int32_t metaState, int32_t* outKeycode, int32_t* outMetaState,
+                              uint32_t* outFlags) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        const KeyInfo* key = getKey(device, scanCode, usageCode);
+        if (key) {
+            if (outKeycode) {
+                auto it = device->keyRemapping.find(key->keyCode);
+                *outKeycode = it != device->keyRemapping.end() ? it->second : key->keyCode;
+            }
+            if (outFlags) {
+                *outFlags = key->flags;
+            }
+            if (outMetaState) {
+                *outMetaState = metaState;
+            }
+            return OK;
+        }
+    }
+    return NAME_NOT_FOUND;
+}
+
+const FakeEventHub::KeyInfo* FakeEventHub::getKey(Device* device, int32_t scanCode,
+                                                  int32_t usageCode) const {
+    if (usageCode) {
+        ssize_t index = device->keysByUsageCode.indexOfKey(usageCode);
+        if (index >= 0) {
+            return &device->keysByUsageCode.valueAt(index);
+        }
+    }
+    if (scanCode) {
+        ssize_t index = device->keysByScanCode.indexOfKey(scanCode);
+        if (index >= 0) {
+            return &device->keysByScanCode.valueAt(index);
+        }
+    }
+    return nullptr;
+}
+
+status_t FakeEventHub::mapAxis(int32_t, int32_t, AxisInfo*) const {
+    return NAME_NOT_FOUND;
+}
+
+base::Result<std::pair<InputDeviceSensorType, int32_t>> FakeEventHub::mapSensor(
+        int32_t deviceId, int32_t absCode) const {
+    Device* device = getDevice(deviceId);
+    if (!device) {
+        return Errorf("Sensor device not found.");
+    }
+    auto it = device->sensorsByAbsCode.find(absCode);
+    if (it == device->sensorsByAbsCode.end()) {
+        return Errorf("Sensor map not found.");
+    }
+    const SensorInfo& info = it->second;
+    return std::make_pair(info.sensorType, info.sensorDataIndex);
+}
+
+void FakeEventHub::setExcludedDevices(const std::vector<std::string>& devices) {
+    mExcludedDevices = devices;
+}
+
+std::vector<RawEvent> FakeEventHub::getEvents(int) {
+    std::scoped_lock lock(mLock);
+
+    std::vector<RawEvent> buffer;
+    std::swap(buffer, mEvents);
+
+    mEventsCondition.notify_all();
+    return buffer;
+}
+
+std::vector<TouchVideoFrame> FakeEventHub::getVideoFrames(int32_t deviceId) {
+    auto it = mVideoFrames.find(deviceId);
+    if (it != mVideoFrames.end()) {
+        std::vector<TouchVideoFrame> frames = std::move(it->second);
+        mVideoFrames.erase(deviceId);
+        return frames;
+    }
+    return {};
+}
+
+int32_t FakeEventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->scanCodeStates.indexOfKey(scanCode);
+        if (index >= 0) {
+            return device->scanCodeStates.valueAt(index);
+        }
+    }
+    return AKEY_STATE_UNKNOWN;
+}
+
+InputDeviceCountryCode FakeEventHub::getCountryCode(int32_t deviceId) const {
+    Device* device = getDevice(deviceId);
+    return device ? device->countryCode : InputDeviceCountryCode::INVALID;
+}
+
+int32_t FakeEventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->keyCodeStates.indexOfKey(keyCode);
+        if (index >= 0) {
+            return device->keyCodeStates.valueAt(index);
+        }
+    }
+    return AKEY_STATE_UNKNOWN;
+}
+
+int32_t FakeEventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->switchStates.indexOfKey(sw);
+        if (index >= 0) {
+            return device->switchStates.valueAt(index);
+        }
+    }
+    return AKEY_STATE_UNKNOWN;
+}
+
+status_t FakeEventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
+                                            int32_t* outValue) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->absoluteAxisValue.indexOfKey(axis);
+        if (index >= 0) {
+            *outValue = device->absoluteAxisValue.valueAt(index);
+            return OK;
+        }
+    }
+    *outValue = 0;
+    return -1;
+}
+
+int32_t FakeEventHub::getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const {
+    Device* device = getDevice(deviceId);
+    if (!device) {
+        return AKEYCODE_UNKNOWN;
+    }
+    auto it = device->keyCodeMapping.find(locationKeyCode);
+    return it != device->keyCodeMapping.end() ? it->second : locationKeyCode;
+}
+
+// Return true if the device has non-empty key layout.
+bool FakeEventHub::markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
+                                         uint8_t* outFlags) const {
+    Device* device = getDevice(deviceId);
+    if (!device) return false;
+
+    bool result = device->keysByScanCode.size() > 0 || device->keysByUsageCode.size() > 0;
+    for (size_t i = 0; i < keyCodes.size(); i++) {
+        for (size_t j = 0; j < device->keysByScanCode.size(); j++) {
+            if (keyCodes[i] == device->keysByScanCode.valueAt(j).keyCode) {
+                outFlags[i] = 1;
+            }
+        }
+        for (size_t j = 0; j < device->keysByUsageCode.size(); j++) {
+            if (keyCodes[i] == device->keysByUsageCode.valueAt(j).keyCode) {
+                outFlags[i] = 1;
+            }
+        }
+    }
+    return result;
+}
+
+bool FakeEventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->keysByScanCode.indexOfKey(scanCode);
+        return index >= 0;
+    }
+    return false;
+}
+
+bool FakeEventHub::hasKeyCode(int32_t deviceId, int32_t keyCode) const {
+    Device* device = getDevice(deviceId);
+    if (!device) {
+        return false;
+    }
+    for (size_t i = 0; i < device->keysByScanCode.size(); i++) {
+        if (keyCode == device->keysByScanCode.valueAt(i).keyCode) {
+            return true;
+        }
+    }
+    for (size_t j = 0; j < device->keysByUsageCode.size(); j++) {
+        if (keyCode == device->keysByUsageCode.valueAt(j).keyCode) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool FakeEventHub::hasLed(int32_t deviceId, int32_t led) const {
+    Device* device = getDevice(deviceId);
+    return device && device->leds.indexOfKey(led) >= 0;
+}
+
+void FakeEventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
+    Device* device = getDevice(deviceId);
+    if (device) {
+        ssize_t index = device->leds.indexOfKey(led);
+        if (index >= 0) {
+            device->leds.replaceValueAt(led, on);
+        } else {
+            ADD_FAILURE() << "Attempted to set the state of an LED that the EventHub declared "
+                             "was not present.  led="
+                          << led;
+        }
+    }
+}
+
+void FakeEventHub::getVirtualKeyDefinitions(
+        int32_t deviceId, std::vector<VirtualKeyDefinition>& outVirtualKeys) const {
+    outVirtualKeys.clear();
+
+    Device* device = getDevice(deviceId);
+    if (device) {
+        outVirtualKeys = device->virtualKeys;
+    }
+}
+
+const std::shared_ptr<KeyCharacterMap> FakeEventHub::getKeyCharacterMap(int32_t) const {
+    return nullptr;
+}
+
+bool FakeEventHub::setKeyboardLayoutOverlay(int32_t, std::shared_ptr<KeyCharacterMap>) {
+    return false;
+}
+
+std::vector<int32_t> FakeEventHub::getVibratorIds(int32_t deviceId) const {
+    return mVibrators;
+}
+
+std::optional<int32_t> FakeEventHub::getBatteryCapacity(int32_t, int32_t) const {
+    return BATTERY_CAPACITY;
+}
+
+std::optional<int32_t> FakeEventHub::getBatteryStatus(int32_t, int32_t) const {
+    return BATTERY_STATUS;
+}
+
+std::vector<int32_t> FakeEventHub::getRawBatteryIds(int32_t deviceId) const {
+    return {DEFAULT_BATTERY};
+}
+
+std::optional<RawBatteryInfo> FakeEventHub::getRawBatteryInfo(int32_t deviceId,
+                                                              int32_t batteryId) const {
+    if (batteryId != DEFAULT_BATTERY) return {};
+    static const auto BATTERY_INFO = RawBatteryInfo{.id = DEFAULT_BATTERY,
+                                                    .name = "default battery",
+                                                    .flags = InputBatteryClass::CAPACITY,
+                                                    .path = BATTERY_DEVPATH};
+    return BATTERY_INFO;
+}
+
+std::vector<int32_t> FakeEventHub::getRawLightIds(int32_t deviceId) const {
+    std::vector<int32_t> ids;
+    for (const auto& [rawId, info] : mRawLightInfos) {
+        ids.push_back(rawId);
+    }
+    return ids;
+}
+
+std::optional<RawLightInfo> FakeEventHub::getRawLightInfo(int32_t deviceId, int32_t lightId) const {
+    auto it = mRawLightInfos.find(lightId);
+    if (it == mRawLightInfos.end()) {
+        return std::nullopt;
+    }
+    return it->second;
+}
+
+void FakeEventHub::setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) {
+    mLightBrightness.emplace(lightId, brightness);
+}
+
+void FakeEventHub::setLightIntensities(int32_t deviceId, int32_t lightId,
+                                       std::unordered_map<LightColor, int32_t> intensities) {
+    mLightIntensities.emplace(lightId, intensities);
+};
+
+std::optional<int32_t> FakeEventHub::getLightBrightness(int32_t deviceId, int32_t lightId) const {
+    auto lightIt = mLightBrightness.find(lightId);
+    if (lightIt == mLightBrightness.end()) {
+        return std::nullopt;
+    }
+    return lightIt->second;
+}
+
+std::optional<std::unordered_map<LightColor, int32_t>> FakeEventHub::getLightIntensities(
+        int32_t deviceId, int32_t lightId) const {
+    auto lightIt = mLightIntensities.find(lightId);
+    if (lightIt == mLightIntensities.end()) {
+        return std::nullopt;
+    }
+    return lightIt->second;
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/FakeEventHub.h b/services/inputflinger/tests/FakeEventHub.h
new file mode 100644
index 0000000000..fb3c8596c7
--- /dev/null
+++ b/services/inputflinger/tests/FakeEventHub.h
@@ -0,0 +1,226 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <condition_variable>
+#include <mutex>
+#include <optional>
+#include <unordered_map>
+#include <vector>
+
+#include <EventHub.h>
+#include <InputDevice.h>
+#include <ftl/flags.h>
+#include <input/PropertyMap.h>
+#include <input/VirtualKeyMap.h>
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
+using android::hardware::input::InputDeviceCountryCode;
+
+namespace android {
+
+class FakeEventHub : public EventHubInterface {
+    struct KeyInfo {
+        int32_t keyCode;
+        uint32_t flags;
+    };
+
+    struct SensorInfo {
+        InputDeviceSensorType sensorType;
+        int32_t sensorDataIndex;
+    };
+
+    struct Device {
+        InputDeviceIdentifier identifier;
+        ftl::Flags<InputDeviceClass> classes;
+        PropertyMap configuration;
+        KeyedVector<int, RawAbsoluteAxisInfo> absoluteAxes;
+        KeyedVector<int, bool> relativeAxes;
+        KeyedVector<int32_t, int32_t> keyCodeStates;
+        KeyedVector<int32_t, int32_t> scanCodeStates;
+        KeyedVector<int32_t, int32_t> switchStates;
+        KeyedVector<int32_t, int32_t> absoluteAxisValue;
+        KeyedVector<int32_t, KeyInfo> keysByScanCode;
+        KeyedVector<int32_t, KeyInfo> keysByUsageCode;
+        std::unordered_map<int32_t, int32_t> keyRemapping;
+        KeyedVector<int32_t, bool> leds;
+        // fake mapping which would normally come from keyCharacterMap
+        std::unordered_map<int32_t, int32_t> keyCodeMapping;
+        std::unordered_map<int32_t, SensorInfo> sensorsByAbsCode;
+        BitArray<MSC_MAX> mscBitmask;
+        std::vector<VirtualKeyDefinition> virtualKeys;
+        bool enabled;
+        InputDeviceCountryCode countryCode;
+
+        status_t enable() {
+            enabled = true;
+            return OK;
+        }
+
+        status_t disable() {
+            enabled = false;
+            return OK;
+        }
+
+        explicit Device(ftl::Flags<InputDeviceClass> classes) : classes(classes), enabled(true) {}
+    };
+
+    std::mutex mLock;
+    std::condition_variable mEventsCondition;
+
+    KeyedVector<int32_t, Device*> mDevices;
+    std::vector<std::string> mExcludedDevices;
+    std::vector<RawEvent> mEvents GUARDED_BY(mLock);
+    std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> mVideoFrames;
+    std::vector<int32_t> mVibrators = {0, 1};
+    std::unordered_map<int32_t, RawLightInfo> mRawLightInfos;
+    // Simulates a device light brightness, from light id to light brightness.
+    std::unordered_map<int32_t /* lightId */, int32_t /* brightness*/> mLightBrightness;
+    // Simulates a device light intensities, from light id to light intensities map.
+    std::unordered_map<int32_t /* lightId */, std::unordered_map<LightColor, int32_t>>
+            mLightIntensities;
+
+public:
+    static constexpr int32_t DEFAULT_BATTERY = 1;
+    static constexpr int32_t BATTERY_STATUS = 4;
+    static constexpr int32_t BATTERY_CAPACITY = 66;
+    static const std::string BATTERY_DEVPATH;
+
+    virtual ~FakeEventHub();
+    FakeEventHub() {}
+
+    void addDevice(int32_t deviceId, const std::string& name, ftl::Flags<InputDeviceClass> classes,
+                   int bus = 0);
+    void removeDevice(int32_t deviceId);
+
+    bool isDeviceEnabled(int32_t deviceId) const override;
+    status_t enableDevice(int32_t deviceId) override;
+    status_t disableDevice(int32_t deviceId) override;
+
+    void finishDeviceScan();
+
+    void addConfigurationProperty(int32_t deviceId, const char* key, const char* value);
+    void addConfigurationMap(int32_t deviceId, const PropertyMap* configuration);
+
+    void addAbsoluteAxis(int32_t deviceId, int axis, int32_t minValue, int32_t maxValue, int flat,
+                         int fuzz, int resolution = 0);
+    void addRelativeAxis(int32_t deviceId, int32_t axis);
+    void setAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t value);
+
+    void setCountryCode(int32_t deviceId, InputDeviceCountryCode countryCode);
+
+    void setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state);
+    void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state);
+    void setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state);
+
+    void addKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t keyCode,
+                uint32_t flags);
+    void addKeyCodeMapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode);
+    void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const;
+    void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition);
+
+    void addSensorAxis(int32_t deviceId, int32_t absCode, InputDeviceSensorType sensorType,
+                       int32_t sensorDataIndex);
+
+    void setMscEvent(int32_t deviceId, int32_t mscEvent);
+
+    void addLed(int32_t deviceId, int32_t led, bool initialState);
+    void addRawLightInfo(int32_t rawId, RawLightInfo&& info);
+    void fakeLightBrightness(int32_t rawId, int32_t brightness);
+    void fakeLightIntensities(int32_t rawId,
+                              const std::unordered_map<LightColor, int32_t> intensities);
+    bool getLedState(int32_t deviceId, int32_t led);
+
+    std::vector<std::string>& getExcludedDevices();
+
+    void setVideoFrames(
+            std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> videoFrames);
+
+    void enqueueEvent(nsecs_t when, nsecs_t readTime, int32_t deviceId, int32_t type, int32_t code,
+                      int32_t value);
+    void assertQueueIsEmpty();
+
+private:
+    Device* getDevice(int32_t deviceId) const;
+
+    ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override;
+    InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override;
+    int32_t getDeviceControllerNumber(int32_t) const override;
+    void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const override;
+    status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+                                 RawAbsoluteAxisInfo* outAxisInfo) const override;
+    bool hasRelativeAxis(int32_t deviceId, int axis) const override;
+    bool hasInputProperty(int32_t, int) const override;
+    bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
+    status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
+                    int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override;
+    const KeyInfo* getKey(Device* device, int32_t scanCode, int32_t usageCode) const;
+
+    status_t mapAxis(int32_t, int32_t, AxisInfo*) const override;
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const override;
+    void setExcludedDevices(const std::vector<std::string>& devices) override;
+    std::vector<RawEvent> getEvents(int) override;
+    std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override;
+    int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override;
+    InputDeviceCountryCode getCountryCode(int32_t deviceId) const override;
+    int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override;
+    int32_t getSwitchState(int32_t deviceId, int32_t sw) const override;
+    status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const override;
+    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override;
+
+    // Return true if the device has non-empty key layout.
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
+                               uint8_t* outFlags) const override;
+    bool hasScanCode(int32_t deviceId, int32_t scanCode) const override;
+    bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override;
+    bool hasLed(int32_t deviceId, int32_t led) const override;
+    void setLedState(int32_t deviceId, int32_t led, bool on) override;
+    void getVirtualKeyDefinitions(int32_t deviceId,
+                                  std::vector<VirtualKeyDefinition>& outVirtualKeys) const override;
+    const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t) const override;
+    bool setKeyboardLayoutOverlay(int32_t, std::shared_ptr<KeyCharacterMap>) override;
+
+    void vibrate(int32_t, const VibrationElement&) override {}
+    void cancelVibrate(int32_t) override {}
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override;
+
+    std::optional<int32_t> getBatteryCapacity(int32_t, int32_t) const override;
+    std::optional<int32_t> getBatteryStatus(int32_t, int32_t) const override;
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override;
+    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
+                                                    int32_t batteryId) const override;
+
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override;
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override;
+    void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override;
+    void setLightIntensities(int32_t deviceId, int32_t lightId,
+                             std::unordered_map<LightColor, int32_t> intensities) override;
+    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override;
+    std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
+            int32_t deviceId, int32_t lightId) const override;
+
+    void dump(std::string&) const override {}
+    void monitor() const override {}
+    void requestReopenDevices() override {}
+    void wake() override {}
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.cpp b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
new file mode 100644
index 0000000000..3af4298434
--- /dev/null
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
@@ -0,0 +1,237 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FakeInputReaderPolicy.h"
+
+#include <android-base/thread_annotations.h>
+#include <gtest/gtest.h>
+
+#include "TestConstants.h"
+#include "ui/Rotation.h"
+
+namespace android {
+
+void FakeInputReaderPolicy::assertInputDevicesChanged() {
+    waitForInputDevices([](bool devicesChanged) {
+        if (!devicesChanged) {
+            FAIL() << "Timed out waiting for notifyInputDevicesChanged() to be called.";
+        }
+    });
+}
+
+void FakeInputReaderPolicy::assertInputDevicesNotChanged() {
+    waitForInputDevices([](bool devicesChanged) {
+        if (devicesChanged) {
+            FAIL() << "Expected notifyInputDevicesChanged() to not be called.";
+        }
+    });
+}
+
+void FakeInputReaderPolicy::assertStylusGestureNotified(int32_t deviceId) {
+    std::scoped_lock lock(mLock);
+    ASSERT_TRUE(mStylusGestureNotified);
+    ASSERT_EQ(deviceId, *mStylusGestureNotified);
+    mStylusGestureNotified.reset();
+}
+
+void FakeInputReaderPolicy::assertStylusGestureNotNotified() {
+    std::scoped_lock lock(mLock);
+    ASSERT_FALSE(mStylusGestureNotified);
+}
+
+void FakeInputReaderPolicy::clearViewports() {
+    mViewports.clear();
+    mConfig.setDisplayViewports(mViewports);
+}
+
+std::optional<DisplayViewport> FakeInputReaderPolicy::getDisplayViewportByUniqueId(
+        const std::string& uniqueId) const {
+    return mConfig.getDisplayViewportByUniqueId(uniqueId);
+}
+std::optional<DisplayViewport> FakeInputReaderPolicy::getDisplayViewportByType(
+        ViewportType type) const {
+    return mConfig.getDisplayViewportByType(type);
+}
+
+std::optional<DisplayViewport> FakeInputReaderPolicy::getDisplayViewportByPort(
+        uint8_t displayPort) const {
+    return mConfig.getDisplayViewportByPort(displayPort);
+}
+
+void FakeInputReaderPolicy::addDisplayViewport(DisplayViewport viewport) {
+    mViewports.push_back(std::move(viewport));
+    mConfig.setDisplayViewports(mViewports);
+}
+
+void FakeInputReaderPolicy::addDisplayViewport(int32_t displayId, int32_t width, int32_t height,
+                                               ui::Rotation orientation, bool isActive,
+                                               const std::string& uniqueId,
+                                               std::optional<uint8_t> physicalPort,
+                                               ViewportType type) {
+    const bool isRotated = orientation == ui::ROTATION_90 || orientation == ui::ROTATION_270;
+    DisplayViewport v;
+    v.displayId = displayId;
+    v.orientation = orientation;
+    v.logicalLeft = 0;
+    v.logicalTop = 0;
+    v.logicalRight = isRotated ? height : width;
+    v.logicalBottom = isRotated ? width : height;
+    v.physicalLeft = 0;
+    v.physicalTop = 0;
+    v.physicalRight = isRotated ? height : width;
+    v.physicalBottom = isRotated ? width : height;
+    v.deviceWidth = isRotated ? height : width;
+    v.deviceHeight = isRotated ? width : height;
+    v.isActive = isActive;
+    v.uniqueId = uniqueId;
+    v.physicalPort = physicalPort;
+    v.type = type;
+
+    addDisplayViewport(v);
+}
+
+bool FakeInputReaderPolicy::updateViewport(const DisplayViewport& viewport) {
+    size_t count = mViewports.size();
+    for (size_t i = 0; i < count; i++) {
+        const DisplayViewport& currentViewport = mViewports[i];
+        if (currentViewport.displayId == viewport.displayId) {
+            mViewports[i] = viewport;
+            mConfig.setDisplayViewports(mViewports);
+            return true;
+        }
+    }
+    // no viewport found.
+    return false;
+}
+
+void FakeInputReaderPolicy::addExcludedDeviceName(const std::string& deviceName) {
+    mConfig.excludedDeviceNames.push_back(deviceName);
+}
+
+void FakeInputReaderPolicy::addInputPortAssociation(const std::string& inputPort,
+                                                    uint8_t displayPort) {
+    mConfig.portAssociations.insert({inputPort, displayPort});
+}
+
+void FakeInputReaderPolicy::addInputUniqueIdAssociation(const std::string& inputUniqueId,
+                                                        const std::string& displayUniqueId) {
+    mConfig.uniqueIdAssociations.insert({inputUniqueId, displayUniqueId});
+}
+
+void FakeInputReaderPolicy::addDisabledDevice(int32_t deviceId) {
+    mConfig.disabledDevices.insert(deviceId);
+}
+
+void FakeInputReaderPolicy::removeDisabledDevice(int32_t deviceId) {
+    mConfig.disabledDevices.erase(deviceId);
+}
+
+void FakeInputReaderPolicy::setPointerController(
+        std::shared_ptr<FakePointerController> controller) {
+    mPointerController = std::move(controller);
+}
+
+const InputReaderConfiguration* FakeInputReaderPolicy::getReaderConfiguration() const {
+    return &mConfig;
+}
+
+const std::vector<InputDeviceInfo>& FakeInputReaderPolicy::getInputDevices() const {
+    return mInputDevices;
+}
+
+TouchAffineTransformation FakeInputReaderPolicy::getTouchAffineTransformation(
+        const std::string& inputDeviceDescriptor, ui::Rotation surfaceRotation) {
+    return transform;
+}
+
+void FakeInputReaderPolicy::setTouchAffineTransformation(const TouchAffineTransformation t) {
+    transform = t;
+}
+
+PointerCaptureRequest FakeInputReaderPolicy::setPointerCapture(bool enabled) {
+    mConfig.pointerCaptureRequest = {enabled, mNextPointerCaptureSequenceNumber++};
+    return mConfig.pointerCaptureRequest;
+}
+
+void FakeInputReaderPolicy::setShowTouches(bool enabled) {
+    mConfig.showTouches = enabled;
+}
+
+void FakeInputReaderPolicy::setDefaultPointerDisplayId(int32_t pointerDisplayId) {
+    mConfig.defaultPointerDisplayId = pointerDisplayId;
+}
+
+void FakeInputReaderPolicy::setPointerGestureEnabled(bool enabled) {
+    mConfig.pointerGesturesEnabled = enabled;
+}
+
+float FakeInputReaderPolicy::getPointerGestureMovementSpeedRatio() {
+    return mConfig.pointerGestureMovementSpeedRatio;
+}
+
+float FakeInputReaderPolicy::getPointerGestureZoomSpeedRatio() {
+    return mConfig.pointerGestureZoomSpeedRatio;
+}
+
+void FakeInputReaderPolicy::setVelocityControlParams(const VelocityControlParameters& params) {
+    mConfig.pointerVelocityControlParameters = params;
+    mConfig.wheelVelocityControlParameters = params;
+}
+
+void FakeInputReaderPolicy::getReaderConfiguration(InputReaderConfiguration* outConfig) {
+    *outConfig = mConfig;
+}
+
+std::shared_ptr<PointerControllerInterface> FakeInputReaderPolicy::obtainPointerController(
+        int32_t /*deviceId*/) {
+    return mPointerController;
+}
+
+void FakeInputReaderPolicy::notifyInputDevicesChanged(
+        const std::vector<InputDeviceInfo>& inputDevices) {
+    std::scoped_lock<std::mutex> lock(mLock);
+    mInputDevices = inputDevices;
+    mInputDevicesChanged = true;
+    mDevicesChangedCondition.notify_all();
+}
+
+std::shared_ptr<KeyCharacterMap> FakeInputReaderPolicy::getKeyboardLayoutOverlay(
+        const InputDeviceIdentifier&) {
+    return nullptr;
+}
+
+std::string FakeInputReaderPolicy::getDeviceAlias(const InputDeviceIdentifier&) {
+    return "";
+}
+
+void FakeInputReaderPolicy::waitForInputDevices(std::function<void(bool)> processDevicesChanged) {
+    std::unique_lock<std::mutex> lock(mLock);
+    base::ScopedLockAssertion assumeLocked(mLock);
+
+    const bool devicesChanged =
+            mDevicesChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
+                return mInputDevicesChanged;
+            });
+    ASSERT_NO_FATAL_FAILURE(processDevicesChanged(devicesChanged));
+    mInputDevicesChanged = false;
+}
+
+void FakeInputReaderPolicy::notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) {
+    std::scoped_lock<std::mutex> lock(mLock);
+    mStylusGestureNotified = deviceId;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.h b/services/inputflinger/tests/FakeInputReaderPolicy.h
new file mode 100644
index 0000000000..c16cda404e
--- /dev/null
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <condition_variable>
+#include <memory>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <vector>
+
+#include <InputDevice.h>
+#include <InputReaderBase.h>
+
+#include "FakePointerController.h"
+#include "input/DisplayViewport.h"
+#include "input/InputDevice.h"
+
+namespace android {
+
+class FakeInputReaderPolicy : public InputReaderPolicyInterface {
+protected:
+    virtual ~FakeInputReaderPolicy() {}
+
+public:
+    FakeInputReaderPolicy() {}
+
+    void assertInputDevicesChanged();
+    void assertInputDevicesNotChanged();
+    void assertStylusGestureNotified(int32_t deviceId);
+    void assertStylusGestureNotNotified();
+
+    virtual void clearViewports();
+    std::optional<DisplayViewport> getDisplayViewportByUniqueId(const std::string& uniqueId) const;
+    std::optional<DisplayViewport> getDisplayViewportByType(ViewportType type) const;
+    std::optional<DisplayViewport> getDisplayViewportByPort(uint8_t displayPort) const;
+    void addDisplayViewport(DisplayViewport viewport);
+    void addDisplayViewport(int32_t displayId, int32_t width, int32_t height,
+                            ui::Rotation orientation, bool isActive, const std::string& uniqueId,
+                            std::optional<uint8_t> physicalPort, ViewportType type);
+    bool updateViewport(const DisplayViewport& viewport);
+    void addExcludedDeviceName(const std::string& deviceName);
+    void addInputPortAssociation(const std::string& inputPort, uint8_t displayPort);
+    void addInputUniqueIdAssociation(const std::string& inputUniqueId,
+                                     const std::string& displayUniqueId);
+    void addDisabledDevice(int32_t deviceId);
+    void removeDisabledDevice(int32_t deviceId);
+    void setPointerController(std::shared_ptr<FakePointerController> controller);
+    const InputReaderConfiguration* getReaderConfiguration() const;
+    const std::vector<InputDeviceInfo>& getInputDevices() const;
+    TouchAffineTransformation getTouchAffineTransformation(const std::string& inputDeviceDescriptor,
+                                                           ui::Rotation surfaceRotation);
+    void setTouchAffineTransformation(const TouchAffineTransformation t);
+    PointerCaptureRequest setPointerCapture(bool enabled);
+    void setShowTouches(bool enabled);
+    void setDefaultPointerDisplayId(int32_t pointerDisplayId);
+    void setPointerGestureEnabled(bool enabled);
+    float getPointerGestureMovementSpeedRatio();
+    float getPointerGestureZoomSpeedRatio();
+    void setVelocityControlParams(const VelocityControlParameters& params);
+
+private:
+    void getReaderConfiguration(InputReaderConfiguration* outConfig) override;
+    std::shared_ptr<PointerControllerInterface> obtainPointerController(
+            int32_t /*deviceId*/) override;
+    void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) override;
+    std::shared_ptr<KeyCharacterMap> getKeyboardLayoutOverlay(
+            const InputDeviceIdentifier&) override;
+    std::string getDeviceAlias(const InputDeviceIdentifier&) override;
+    void waitForInputDevices(std::function<void(bool)> processDevicesChanged);
+    void notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) override;
+
+    std::mutex mLock;
+    std::condition_variable mDevicesChangedCondition;
+
+    InputReaderConfiguration mConfig;
+    std::shared_ptr<FakePointerController> mPointerController;
+    std::vector<InputDeviceInfo> mInputDevices GUARDED_BY(mLock);
+    bool mInputDevicesChanged GUARDED_BY(mLock){false};
+    std::vector<DisplayViewport> mViewports;
+    TouchAffineTransformation transform;
+    std::optional<int32_t /*deviceId*/> mStylusGestureNotified GUARDED_BY(mLock){};
+
+    uint32_t mNextPointerCaptureSequenceNumber{0};
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/FakePointerController.cpp b/services/inputflinger/tests/FakePointerController.cpp
new file mode 100644
index 0000000000..635366bff2
--- /dev/null
+++ b/services/inputflinger/tests/FakePointerController.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FakePointerController.h"
+
+namespace android {
+
+void FakePointerController::setBounds(float minX, float minY, float maxX, float maxY) {
+    mHaveBounds = true;
+    mMinX = minX;
+    mMinY = minY;
+    mMaxX = maxX;
+    mMaxY = maxY;
+}
+
+const std::map<int32_t, std::vector<int32_t>>& FakePointerController::getSpots() {
+    return mSpotsByDisplay;
+}
+
+void FakePointerController::setPosition(float x, float y) {
+    mX = x;
+    mY = y;
+}
+
+void FakePointerController::setButtonState(int32_t buttonState) {
+    mButtonState = buttonState;
+}
+
+int32_t FakePointerController::getButtonState() const {
+    return mButtonState;
+}
+
+void FakePointerController::getPosition(float* outX, float* outY) const {
+    *outX = mX;
+    *outY = mY;
+}
+
+int32_t FakePointerController::getDisplayId() const {
+    return mDisplayId;
+}
+
+void FakePointerController::setDisplayViewport(const DisplayViewport& viewport) {
+    mDisplayId = viewport.displayId;
+}
+
+bool FakePointerController::getBounds(float* outMinX, float* outMinY, float* outMaxX,
+                                      float* outMaxY) const {
+    *outMinX = mMinX;
+    *outMinY = mMinY;
+    *outMaxX = mMaxX;
+    *outMaxY = mMaxY;
+    return mHaveBounds;
+}
+
+void FakePointerController::move(float deltaX, float deltaY) {
+    mX += deltaX;
+    if (mX < mMinX) mX = mMinX;
+    if (mX > mMaxX) mX = mMaxX;
+    mY += deltaY;
+    if (mY < mMinY) mY = mMinY;
+    if (mY > mMaxY) mY = mMaxY;
+}
+
+void FakePointerController::setSpots(const PointerCoords*, const uint32_t*, BitSet32 spotIdBits,
+                                     int32_t displayId) {
+    std::vector<int32_t> newSpots;
+    // Add spots for fingers that are down.
+    for (BitSet32 idBits(spotIdBits); !idBits.isEmpty();) {
+        uint32_t id = idBits.clearFirstMarkedBit();
+        newSpots.push_back(id);
+    }
+
+    mSpotsByDisplay[displayId] = newSpots;
+}
+
+void FakePointerController::clearSpots() {
+    mSpotsByDisplay.clear();
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/FakePointerController.h b/services/inputflinger/tests/FakePointerController.h
new file mode 100644
index 0000000000..f00870f13c
--- /dev/null
+++ b/services/inputflinger/tests/FakePointerController.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <PointerControllerInterface.h>
+#include <gui/constants.h>
+#include <input/DisplayViewport.h>
+#include <input/Input.h>
+#include <utils/BitSet.h>
+
+namespace android {
+
+class FakePointerController : public PointerControllerInterface {
+public:
+    virtual ~FakePointerController() {}
+
+    void setBounds(float minX, float minY, float maxX, float maxY);
+    const std::map<int32_t, std::vector<int32_t>>& getSpots();
+
+    void setPosition(float x, float y) override;
+    void setButtonState(int32_t buttonState) override;
+    int32_t getButtonState() const override;
+    void getPosition(float* outX, float* outY) const override;
+    int32_t getDisplayId() const override;
+    void setDisplayViewport(const DisplayViewport& viewport) override;
+
+private:
+    bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const override;
+    void move(float deltaX, float deltaY) override;
+    void fade(Transition) override {}
+    void unfade(Transition) override {}
+    void setPresentation(Presentation) override {}
+    void setSpots(const PointerCoords*, const uint32_t*, BitSet32 spotIdBits,
+                  int32_t displayId) override;
+    void clearSpots() override;
+
+    bool mHaveBounds{false};
+    float mMinX{0}, mMinY{0}, mMaxX{0}, mMaxY{0};
+    float mX{0}, mY{0};
+    int32_t mButtonState{0};
+    int32_t mDisplayId{ADISPLAY_ID_DEFAULT};
+
+    std::map<int32_t, std::vector<int32_t>> mSpotsByDisplay;
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/FocusResolver_test.cpp b/services/inputflinger/tests/FocusResolver_test.cpp
index 91be4a30bf..5d5cf9c108 100644
--- a/services/inputflinger/tests/FocusResolver_test.cpp
+++ b/services/inputflinger/tests/FocusResolver_test.cpp
@@ -50,16 +50,16 @@ public:
 };
 
 TEST(FocusResolverTest, SetFocusedWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
-    sp<IBinder> invisibleWindowToken = new BBinder();
-    sp<IBinder> unfocusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
+    sp<IBinder> unfocusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Focusable", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
-    windows.push_back(new FakeWindowHandle("Invisible", invisibleWindowToken, true /* focusable */,
-                                           false /* visible */));
-    windows.push_back(new FakeWindowHandle("unfocusable", unfocusableWindowToken,
-                                           false /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Focusable", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Invisible", invisibleWindowToken,
+                                                 true /* focusable */, false /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("unfocusable", unfocusableWindowToken,
+                                                 false /* focusable */, true /* visible */));
 
     // focusable window can get focused
     FocusRequest request;
@@ -85,10 +85,10 @@ TEST(FocusResolverTest, SetFocusedWindow) {
 }
 
 TEST(FocusResolverTest, RemoveFocusFromFocusedWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Focusable", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Focusable", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
 
     FocusRequest request;
     request.displayId = 42;
@@ -109,24 +109,24 @@ TEST(FocusResolverTest, RemoveFocusFromFocusedWindow) {
 }
 
 TEST(FocusResolverTest, SetFocusedMirroredWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
-    sp<IBinder> invisibleWindowToken = new BBinder();
-    sp<IBinder> unfocusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
+    sp<IBinder> unfocusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Mirror1", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror1", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror1", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror1", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
 
-    windows.push_back(new FakeWindowHandle("Mirror2Visible", invisibleWindowToken,
-                                           true /* focusable */, true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror2Invisible", invisibleWindowToken,
-                                           true /* focusable */, false /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror2Visible", invisibleWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror2Invisible", invisibleWindowToken,
+                                                 true /* focusable */, false /* visible */));
 
-    windows.push_back(new FakeWindowHandle("Mirror3Focusable", unfocusableWindowToken,
-                                           true /* focusable */, true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror3Unfocusable", unfocusableWindowToken,
-                                           false /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror3Focusable", unfocusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror3Unfocusable", unfocusableWindowToken,
+                                                 false /* focusable */, true /* visible */));
 
     // mirrored window can get focused
     FocusRequest request;
@@ -149,10 +149,11 @@ TEST(FocusResolverTest, SetFocusedMirroredWindow) {
 }
 
 TEST(FocusResolverTest, SetInputWindows) {
-    sp<IBinder> focusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Focusable", focusableWindowToken,
-                                                       true /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Focusable", focusableWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     // focusable window can get focused
@@ -171,12 +172,12 @@ TEST(FocusResolverTest, SetInputWindows) {
 }
 
 TEST(FocusResolverTest, FocusRequestsCanBePending) {
-    sp<IBinder> invisibleWindowToken = new BBinder();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
     sp<FakeWindowHandle> invisibleWindow =
-            new FakeWindowHandle("Invisible", invisibleWindowToken, true /* focusable */,
-                                 false /* visible */);
+            sp<FakeWindowHandle>::make("Invisible", invisibleWindowToken, true /* focusable */,
+                                       false /* visible */);
     windows.push_back(invisibleWindow);
 
     // invisible window cannot get focused
@@ -195,11 +196,12 @@ TEST(FocusResolverTest, FocusRequestsCanBePending) {
 }
 
 TEST(FocusResolverTest, FocusRequestsArePersistent) {
-    sp<IBinder> windowToken = new BBinder();
+    sp<IBinder> windowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Test Window", windowToken,
-                                                       false /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Test Window", windowToken, false /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     // non-focusable window cannot get focused
@@ -236,17 +238,17 @@ TEST(FocusResolverTest, FocusRequestsArePersistent) {
 }
 
 TEST(FocusResolverTest, ConditionalFocusRequestsAreNotPersistent) {
-    sp<IBinder> hostWindowToken = new BBinder();
+    sp<IBinder> hostWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
     sp<FakeWindowHandle> hostWindow =
-            new FakeWindowHandle("Host Window", hostWindowToken, true /* focusable */,
-                                 true /* visible */);
+            sp<FakeWindowHandle>::make("Host Window", hostWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(hostWindow);
-    sp<IBinder> embeddedWindowToken = new BBinder();
+    sp<IBinder> embeddedWindowToken = sp<BBinder>::make();
     sp<FakeWindowHandle> embeddedWindow =
-            new FakeWindowHandle("Embedded Window", embeddedWindowToken, true /* focusable */,
-                                 true /* visible */);
+            sp<FakeWindowHandle>::make("Embedded Window", embeddedWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(embeddedWindow);
 
     FocusRequest request;
@@ -287,11 +289,12 @@ TEST(FocusResolverTest, ConditionalFocusRequestsAreNotPersistent) {
     ASSERT_FALSE(changes);
 }
 TEST(FocusResolverTest, FocusRequestsAreClearedWhenWindowIsRemoved) {
-    sp<IBinder> windowToken = new BBinder();
+    sp<IBinder> windowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Test Window", windowToken,
-                                                       true /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Test Window", windowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     FocusRequest request;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index fce0f999b5..41c174a1f7 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -22,6 +22,7 @@
 #include <android-base/thread_annotations.h>
 #include <binder/Binder.h>
 #include <fcntl.h>
+#include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <input/Input.h>
 #include <linux/input.h>
@@ -43,6 +44,7 @@ using android::os::InputEventInjectionSync;
 namespace android::inputdispatcher {
 
 using namespace ftl::flag_operators;
+using testing::AllOf;
 
 // An arbitrary time value.
 static constexpr nsecs_t ARBITRARY_TIME = 1234;
@@ -58,13 +60,19 @@ static constexpr int32_t POINTER_1_DOWN =
         AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 static constexpr int32_t POINTER_2_DOWN =
         AMOTION_EVENT_ACTION_POINTER_DOWN | (2 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+static constexpr int32_t POINTER_3_DOWN =
+        AMOTION_EVENT_ACTION_POINTER_DOWN | (3 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 static constexpr int32_t POINTER_1_UP =
         AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 
-// The default pid and uid for windows created by the test.
+// The default pid and uid for windows created on the primary display by the test.
 static constexpr int32_t WINDOW_PID = 999;
 static constexpr int32_t WINDOW_UID = 1001;
 
+// The default pid and uid for the windows created on the secondary display by the test.
+static constexpr int32_t SECONDARY_WINDOW_PID = 1010;
+static constexpr int32_t SECONDARY_WINDOW_UID = 1012;
+
 // The default policy flags to use for event injection by tests.
 static constexpr uint32_t DEFAULT_POLICY_FLAGS = POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER;
 
@@ -96,6 +104,39 @@ static void assertMotionAction(int32_t expectedAction, int32_t receivedAction) {
             << MotionEvent::actionToString(receivedAction);
 }
 
+MATCHER_P(WithMotionAction, action, "MotionEvent with specified action") {
+    bool matches = action == arg.getAction();
+    if (!matches) {
+        *result_listener << "expected action " << MotionEvent::actionToString(action)
+                         << ", but got " << MotionEvent::actionToString(arg.getAction());
+    }
+    if (action == AMOTION_EVENT_ACTION_DOWN) {
+        if (!matches) {
+            *result_listener << "; ";
+        }
+        *result_listener << "downTime should match eventTime for ACTION_DOWN events";
+        matches &= arg.getDownTime() == arg.getEventTime();
+    }
+    if (action == AMOTION_EVENT_ACTION_CANCEL) {
+        if (!matches) {
+            *result_listener << "; ";
+        }
+        *result_listener << "expected FLAG_CANCELED to be set with ACTION_CANCEL, but was not set";
+        matches &= (arg.getFlags() & AMOTION_EVENT_FLAG_CANCELED) != 0;
+    }
+    return matches;
+}
+
+MATCHER_P(WithDownTime, downTime, "InputEvent with specified downTime") {
+    return arg.getDownTime() == downTime;
+}
+
+MATCHER_P(WithSource, source, "InputEvent with specified source") {
+    *result_listener << "expected source " << inputEventSourceToString(source) << ", but got "
+                     << inputEventSourceToString(arg.getSource());
+    return arg.getSource() == source;
+}
+
 // --- FakeInputDispatcherPolicy ---
 
 class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface {
@@ -412,7 +453,6 @@ private:
 
     void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
 
-    void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
     void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
                            InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
                            const std::vector<float>& values) override {}
@@ -509,7 +549,7 @@ protected:
     std::unique_ptr<InputDispatcher> mDispatcher;
 
     void SetUp() override {
-        mFakePolicy = new FakeInputDispatcherPolicy();
+        mFakePolicy = sp<FakeInputDispatcherPolicy>::make();
         mDispatcher = std::make_unique<InputDispatcher>(mFakePolicy, STALE_EVENT_TIMEOUT);
         mDispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
         // Start InputDispatcher thread
@@ -746,7 +786,7 @@ class FakeApplicationHandle : public InputApplicationHandle {
 public:
     FakeApplicationHandle() {
         mInfo.name = "Fake Application";
-        mInfo.token = new BBinder();
+        mInfo.token = sp<BBinder>::make();
         mInfo.dispatchingTimeoutMillis =
                 std::chrono::duration_cast<std::chrono::milliseconds>(DISPATCHING_TIMEOUT).count();
     }
@@ -1022,8 +1062,8 @@ public:
             const std::shared_ptr<InputApplicationHandle>& inputApplicationHandle,
             const std::unique_ptr<InputDispatcher>& dispatcher, int32_t displayId) {
         sp<FakeWindowHandle> handle =
-                new FakeWindowHandle(inputApplicationHandle, dispatcher, mInfo.name + "(Mirror)",
-                                     displayId, mInfo.token);
+                sp<FakeWindowHandle>::make(inputApplicationHandle, dispatcher,
+                                           mInfo.name + "(Mirror)", displayId, mInfo.token);
         return handle;
     }
 
@@ -1181,6 +1221,7 @@ public:
     void consumeMotionOutsideWithZeroedCoords(int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
                                               int32_t expectedFlags = 0) {
         InputEvent* event = consume();
+        ASSERT_NE(nullptr, event);
         ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType());
         const MotionEvent& motionEvent = static_cast<MotionEvent&>(*event);
         EXPECT_EQ(AMOTION_EVENT_ACTION_OUTSIDE, motionEvent.getActionMasked());
@@ -1200,6 +1241,12 @@ public:
         mInputReceiver->consumeCaptureEvent(hasCapture);
     }
 
+    void consumeMotionEvent(const ::testing::Matcher<MotionEvent>& matcher) {
+        MotionEvent* motionEvent = consumeMotion();
+        ASSERT_NE(nullptr, motionEvent) << "Did not get a motion event, but expected " << matcher;
+        ASSERT_THAT(*motionEvent, matcher);
+    }
+
     void consumeEvent(int32_t expectedEventType, int32_t expectedAction,
                       std::optional<int32_t> expectedDisplayId,
                       std::optional<int32_t> expectedFlags) {
@@ -1557,8 +1604,8 @@ static NotifyPointerCaptureChangedArgs generatePointerCaptureChangedArgs(
 TEST_F(InputDispatcherTest, WhenInputChannelBreaks_PolicyIsNotified) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window that breaks its input channel",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher,
+                                       "Window that breaks its input channel", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -1569,8 +1616,8 @@ TEST_F(InputDispatcherTest, WhenInputChannelBreaks_PolicyIsNotified) {
 
 TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1583,8 +1630,8 @@ TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
 
 TEST_F(InputDispatcherTest, WhenDisplayNotSpecified_InjectMotionToDefaultDisplay) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     // Inject a MotionEvent to an unknown display.
@@ -1603,8 +1650,8 @@ TEST_F(InputDispatcherTest, WhenDisplayNotSpecified_InjectMotionToDefaultDisplay
  */
 TEST_F(InputDispatcherTest, SetInputWindowOnceWithSingleTouchWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -1622,8 +1669,8 @@ TEST_F(InputDispatcherTest, SetInputWindowOnceWithSingleTouchWindow) {
  */
 TEST_F(InputDispatcherTest, SetInputWindowTwice_SingleWindowTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -1641,9 +1688,9 @@ TEST_F(InputDispatcherTest, SetInputWindowTwice_SingleWindowTouch) {
 TEST_F(InputDispatcherTest, SetInputWindow_MultiWindowsTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1665,10 +1712,10 @@ TEST_F(InputDispatcherTest, SetInputWindow_MultiWindowsTouch) {
 TEST_F(InputDispatcherTest, WhenForegroundWindowDisappears_WallpaperTouchIsCanceled) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> foregroundWindow =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
     foregroundWindow->setDupTouchToWallpaper(true);
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1709,10 +1756,10 @@ TEST_F(InputDispatcherTest, WhenForegroundWindowDisappears_WallpaperTouchIsCance
 TEST_F(InputDispatcherTest, WhenWallpaperDisappears_NoCrash) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> foregroundWindow =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
     foregroundWindow->setDupTouchToWallpaper(true);
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1753,11 +1800,11 @@ TEST_F(InputDispatcherTest, WhenWallpaperDisappears_NoCrash) {
 TEST_F(InputDispatcherTest, WallpaperWindow_ReceivesMultiTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     window->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1808,17 +1855,17 @@ TEST_F(InputDispatcherTest, WallpaperWindow_ReceivesMultiTouch) {
 TEST_F(InputDispatcherTest, TwoWindows_SplitWallpaperTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> leftWindow =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     leftWindow->setFrame(Rect(0, 0, 200, 200));
     leftWindow->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> rightWindow =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     rightWindow->setFrame(Rect(200, 0, 400, 200));
     rightWindow->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setFrame(Rect(0, 0, 400, 200));
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
@@ -1953,7 +2000,7 @@ TEST_F(InputDispatcherTest, WallpaperWindowReceivesMultiTouch) {
 TEST_F(InputDispatcherTest, SplitWorksWhenEmptyAreaIsTouched) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", DISPLAY_ID);
 
     mDispatcher->setInputWindows({{DISPLAY_ID, {window}}});
     NotifyMotionArgs args;
@@ -1977,11 +2024,11 @@ TEST_F(InputDispatcherTest, SplitWorksWhenEmptyAreaIsTouched) {
 TEST_F(InputDispatcherTest, SplitWorksWhenNonTouchableWindowIsTouched) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window1 =
-            new FakeWindowHandle(application, mDispatcher, "Window1", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window1", DISPLAY_ID);
     window1->setTouchableRegion(Region{{0, 0, 100, 100}});
     window1->setTouchable(false);
     sp<FakeWindowHandle> window2 =
-            new FakeWindowHandle(application, mDispatcher, "Window2", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window2", DISPLAY_ID);
     window2->setTouchableRegion(Region{{100, 0, 200, 100}});
 
     mDispatcher->setInputWindows({{DISPLAY_ID, {window1, window2}}});
@@ -2000,13 +2047,78 @@ TEST_F(InputDispatcherTest, SplitWorksWhenNonTouchableWindowIsTouched) {
     window2->consumeMotionDown();
 }
 
+/**
+ * When splitting touch events the downTime should be adjusted such that the downTime corresponds
+ * to the event time of the first ACTION_DOWN sent to the particular window.
+ */
+TEST_F(InputDispatcherTest, SplitTouchesSendCorrectActionDownTime) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> window1 =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window1", DISPLAY_ID);
+    window1->setTouchableRegion(Region{{0, 0, 100, 100}});
+    sp<FakeWindowHandle> window2 =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window2", DISPLAY_ID);
+    window2->setTouchableRegion(Region{{100, 0, 200, 100}});
+
+    mDispatcher->setInputWindows({{DISPLAY_ID, {window1, window2}}});
+
+    NotifyMotionArgs args;
+    // Touch down on the first window
+    mDispatcher->notifyMotion(&(args = generateTouchArgs(AMOTION_EVENT_ACTION_DOWN, {{50, 50}})));
+
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent1 = window1->consume();
+    ASSERT_NE(inputEvent1, nullptr);
+    window2->assertNoEvents();
+    MotionEvent& motionEvent1 = static_cast<MotionEvent&>(*inputEvent1);
+    nsecs_t downTimeForWindow1 = motionEvent1.getDownTime();
+    ASSERT_EQ(motionEvent1.getDownTime(), motionEvent1.getEventTime());
+
+    // Now touch down on the window with another pointer
+    mDispatcher->notifyMotion(&(args = generateTouchArgs(POINTER_1_DOWN, {{50, 50}, {150, 50}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent2 = window2->consume();
+    ASSERT_NE(inputEvent2, nullptr);
+    MotionEvent& motionEvent2 = static_cast<MotionEvent&>(*inputEvent2);
+    nsecs_t downTimeForWindow2 = motionEvent2.getDownTime();
+    ASSERT_NE(downTimeForWindow1, downTimeForWindow2);
+    ASSERT_EQ(motionEvent2.getDownTime(), motionEvent2.getEventTime());
+
+    // Now move the pointer on the second window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(AMOTION_EVENT_ACTION_MOVE, {{50, 50}, {151, 51}})));
+    mDispatcher->waitForIdle();
+    window2->consumeMotionEvent(WithDownTime(downTimeForWindow2));
+
+    // Now add new touch down on the second window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(POINTER_2_DOWN, {{50, 50}, {151, 51}, {150, 50}})));
+    mDispatcher->waitForIdle();
+    window2->consumeMotionEvent(WithDownTime(downTimeForWindow2));
+
+    // TODO(b/232530217): do not send the unnecessary MOVE event and delete the next line
+    window1->consumeMotionMove();
+    window1->assertNoEvents();
+
+    // Now move the pointer on the first window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(AMOTION_EVENT_ACTION_MOVE, {{51, 51}, {151, 51}})));
+    mDispatcher->waitForIdle();
+    window1->consumeMotionEvent(WithDownTime(downTimeForWindow1));
+
+    mDispatcher->notifyMotion(&(
+            args = generateTouchArgs(POINTER_3_DOWN, {{51, 51}, {151, 51}, {150, 50}, {50, 50}})));
+    mDispatcher->waitForIdle();
+    window1->consumeMotionEvent(WithDownTime(downTimeForWindow1));
+}
+
 TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowLeft =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     windowLeft->setFrame(Rect(0, 0, 600, 800));
     sp<FakeWindowHandle> windowRight =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     windowRight->setFrame(Rect(600, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2022,10 +2134,8 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
                                                          .x(900)
                                                          .y(400))
                                         .build()));
-    windowRight->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                              ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowRight->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_MOVE,
-                              ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowRight->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER));
+    windowRight->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE));
 
     // Move cursor into left window
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -2036,12 +2146,9 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    windowRight->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_EXIT,
-                              ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowLeft->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                             ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowLeft->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_MOVE,
-                             ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowRight->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT));
+    windowLeft->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER));
+    windowLeft->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE));
 
     // Inject a series of mouse events for a mouse click
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -2064,8 +2171,7 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    windowLeft->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_BUTTON_PRESS,
-                             ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowLeft->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS));
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher,
@@ -2077,8 +2183,7 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    windowLeft->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_BUTTON_RELEASE,
-                             ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowLeft->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE));
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher,
@@ -2099,12 +2204,47 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
                                                          .x(900)
                                                          .y(400))
                                         .build()));
-    windowLeft->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_EXIT,
-                             ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowRight->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                              ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowRight->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_MOVE,
-                              ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowLeft->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT));
+    windowRight->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER));
+    windowRight->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE));
+
+    // No more events
+    windowLeft->assertNoEvents();
+    windowRight->assertNoEvents();
+}
+
+TEST_F(InputDispatcherTest, HoverWithSpyWindows) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+
+    sp<FakeWindowHandle> spyWindow =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
+    spyWindow->setFrame(Rect(0, 0, 600, 800));
+    spyWindow->setTrustedOverlay(true);
+    spyWindow->setSpy(true);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+    window->setFrame(Rect(0, 0, 600, 800));
+
+    mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spyWindow, window}}});
+
+    // Send mouse cursor to the window
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher,
+                                MotionEventBuilder(AMOTION_EVENT_ACTION_HOVER_ENTER,
+                                                   AINPUT_SOURCE_MOUSE)
+                                        .pointer(PointerBuilder(0, AMOTION_EVENT_TOOL_TYPE_MOUSE)
+                                                         .x(100)
+                                                         .y(100))
+                                        .build()));
+
+    window->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                                     WithSource(AINPUT_SOURCE_MOUSE)));
+    spyWindow->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                                        WithSource(AINPUT_SOURCE_MOUSE)));
+
+    window->assertNoEvents();
+    spyWindow->assertNoEvents();
 }
 
 // This test is different from the test above that HOVER_ENTER and HOVER_EXIT events are injected
@@ -2112,7 +2252,7 @@ TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
 TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2127,8 +2267,7 @@ TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    window->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                         ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    window->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER));
 
     // Inject a series of mouse events for a mouse click
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -2151,8 +2290,7 @@ TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    window->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_BUTTON_PRESS,
-                         ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    window->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS));
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher,
@@ -2164,8 +2302,7 @@ TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    window->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_BUTTON_RELEASE,
-                         ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    window->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE));
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher,
@@ -2185,8 +2322,49 @@ TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
                                                          .x(300)
                                                          .y(400))
                                         .build()));
-    window->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_EXIT,
-                         ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    window->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT));
+}
+
+/**
+ * Inject a mouse hover event followed by a tap from touchscreen.
+ * In the current implementation, the tap does not cause a HOVER_EXIT event.
+ */
+TEST_F(InputDispatcherTest, MouseHoverAndTouchTap) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+    window->setFrame(Rect(0, 0, 100, 100));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
+
+    // Inject a hover_move from mouse.
+    NotifyMotionArgs motionArgs =
+            generateMotionArgs(AMOTION_EVENT_ACTION_HOVER_MOVE, AINPUT_SOURCE_MOUSE,
+                               ADISPLAY_ID_DEFAULT, {{50, 50}});
+    motionArgs.xCursorPosition = 50;
+    motionArgs.yCursorPosition = 50;
+    mDispatcher->notifyMotion(&motionArgs);
+    ASSERT_NO_FATAL_FAILURE(
+            window->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                                             WithSource(AINPUT_SOURCE_MOUSE))));
+    ASSERT_NO_FATAL_FAILURE(
+            window->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                                             WithSource(AINPUT_SOURCE_MOUSE))));
+
+    // Tap on the window
+    motionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+                                    ADISPLAY_ID_DEFAULT, {{10, 10}});
+    mDispatcher->notifyMotion(&motionArgs);
+    ASSERT_NO_FATAL_FAILURE(
+            window->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                                             WithSource(AINPUT_SOURCE_TOUCHSCREEN))));
+
+    motionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+                                    ADISPLAY_ID_DEFAULT, {{10, 10}});
+    mDispatcher->notifyMotion(&motionArgs);
+    ASSERT_NO_FATAL_FAILURE(
+            window->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                                             WithSource(AINPUT_SOURCE_TOUCHSCREEN))));
 }
 
 TEST_F(InputDispatcherTest, HoverEnterMoveRemoveWindowsInSecondDisplay) {
@@ -2214,14 +2392,13 @@ TEST_F(InputDispatcherTest, HoverEnterMoveRemoveWindowsInSecondDisplay) {
                                                          .x(300)
                                                          .y(600))
                                         .build()));
-    windowDefaultDisplay->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                                       ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
-    windowDefaultDisplay->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_MOVE,
-                                       ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowDefaultDisplay->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER));
+    windowDefaultDisplay->consumeMotionEvent(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE));
 
     // Remove all windows in secondary display and check that no event happens on window in
     // primary display.
-    mDispatcher->setInputWindows({{SECOND_DISPLAY_ID, {}}});
+    mDispatcher->setInputWindows(
+            {{ADISPLAY_ID_DEFAULT, {windowDefaultDisplay}}, {SECOND_DISPLAY_ID, {}}});
     windowDefaultDisplay->assertNoEvents();
 
     // Move cursor position in window in default display and check that only hover move
@@ -2237,8 +2414,9 @@ TEST_F(InputDispatcherTest, HoverEnterMoveRemoveWindowsInSecondDisplay) {
                                                          .x(400)
                                                          .y(700))
                                         .build()));
-    windowDefaultDisplay->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_HOVER_MOVE,
-                                       ADISPLAY_ID_DEFAULT, 0 /* expectedFlag */);
+    windowDefaultDisplay->consumeMotionEvent(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE)));
     windowDefaultDisplay->assertNoEvents();
 }
 
@@ -2246,10 +2424,10 @@ TEST_F(InputDispatcherTest, DispatchMouseEventsUnderCursor) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> windowLeft =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     windowLeft->setFrame(Rect(0, 0, 600, 800));
     sp<FakeWindowHandle> windowRight =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     windowRight->setFrame(Rect(600, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2267,8 +2445,8 @@ TEST_F(InputDispatcherTest, DispatchMouseEventsUnderCursor) {
 
 TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsKeyStream) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2292,8 +2470,8 @@ TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsKeyStream) {
 
 TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsMotionStream) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -2315,8 +2493,8 @@ TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsMotionStream) {
 
 TEST_F(InputDispatcherTest, InterceptKeyByPolicy) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2337,8 +2515,8 @@ TEST_F(InputDispatcherTest, InterceptKeyByPolicy) {
 
 TEST_F(InputDispatcherTest, InterceptKeyIfKeyUp) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2365,15 +2543,17 @@ TEST_F(InputDispatcherTest, InterceptKeyIfKeyUp) {
 TEST_F(InputDispatcherTest, ActionOutsideSentOnlyWhenAWindowIsTouched) {
     // There are three windows that do not overlap. `window` wants to WATCH_OUTSIDE_TOUCH.
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "First Window", ADISPLAY_ID_DEFAULT);
     window->setWatchOutsideTouch(true);
     window->setFrame(Rect{0, 0, 100, 100});
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect{100, 100, 200, 200});
     sp<FakeWindowHandle> thirdWindow =
-            new FakeWindowHandle(application, mDispatcher, "Third Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Third Window",
+                                       ADISPLAY_ID_DEFAULT);
     thirdWindow->setFrame(Rect{200, 200, 300, 300});
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window, secondWindow, thirdWindow}}});
 
@@ -2406,8 +2586,8 @@ TEST_F(InputDispatcherTest, ActionOutsideSentOnlyWhenAWindowIsTouched) {
 
 TEST_F(InputDispatcherTest, OnWindowInfosChanged_RemoveAllWindowsOnDisplay) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->onWindowInfosChanged({*window->getInfo()}, {});
@@ -2512,13 +2692,14 @@ public:
 
         // Add two windows to the display. Their frames are represented in the display space.
         sp<FakeWindowHandle> firstWindow =
-                new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                           ADISPLAY_ID_DEFAULT);
         firstWindow->setFrame(Rect(0, 0, 100, 200), displayTransform);
         addWindow(firstWindow);
 
         sp<FakeWindowHandle> secondWindow =
-                new FakeWindowHandle(application, mDispatcher, "Second Window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                           ADISPLAY_ID_DEFAULT);
         secondWindow->setFrame(Rect(100, 200, 200, 400), displayTransform);
         addWindow(secondWindow);
         return {std::move(firstWindow), std::move(secondWindow)};
@@ -2619,9 +2800,11 @@ TEST_P(TransferTouchFixture, TransferTouch_OnePointer) {
 
     // Create a couple of windows
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
@@ -2670,13 +2853,13 @@ TEST_P(TransferTouchFixture, TransferTouch_MultipleWindowsWithSpy) {
 
     // Create a couple of windows + a spy window
     sp<FakeWindowHandle> spyWindow =
-            new FakeWindowHandle(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
     spyWindow->setTrustedOverlay(true);
     spyWindow->setSpy(true);
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spyWindow, firstWindow, secondWindow}}});
@@ -2717,10 +2900,12 @@ TEST_P(TransferTouchFixture, TransferTouch_TwoPointersNonSplitTouch) {
 
     // Create a couple of windows
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setPreventSplitting(true);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setPreventSplitting(true);
 
     // Add the windows to the dispatcher
@@ -2792,11 +2977,13 @@ TEST_F(InputDispatcherTest, TransferTouchFocus_TwoPointersSplitTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -2856,11 +3043,13 @@ TEST_F(InputDispatcherTest, TransferTouch_TwoPointersSplitTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -2921,10 +3110,10 @@ TEST_F(InputDispatcherTest, TransferTouch_TwoPointersSplitTouch) {
 TEST_F(InputDispatcherTest, TransferTouchFocus_CloneSurface) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> firstWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
     firstWindowInPrimary->setFrame(Rect(0, 0, 100, 100));
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFrame(Rect(100, 0, 200, 100));
 
     sp<FakeWindowHandle> mirrorWindowInPrimary =
@@ -2980,10 +3169,10 @@ TEST_F(InputDispatcherTest, TransferTouchFocus_CloneSurface) {
 TEST_F(InputDispatcherTest, TransferTouch_CloneSurface) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> firstWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
     firstWindowInPrimary->setFrame(Rect(0, 0, 100, 100));
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFrame(Rect(100, 0, 200, 100));
 
     sp<FakeWindowHandle> mirrorWindowInPrimary =
@@ -3035,8 +3224,8 @@ TEST_F(InputDispatcherTest, TransferTouch_CloneSurface) {
 
 TEST_F(InputDispatcherTest, FocusedWindow_ReceivesFocusEventAndKeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -3053,8 +3242,8 @@ TEST_F(InputDispatcherTest, FocusedWindow_ReceivesFocusEventAndKeyEvent) {
 
 TEST_F(InputDispatcherTest, UnfocusedWindow_DoesNotReceiveFocusEventOrKeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -3068,8 +3257,8 @@ TEST_F(InputDispatcherTest, UnfocusedWindow_DoesNotReceiveFocusEventOrKeyEvent)
 // If a window is touchable, but does not have focus, it should receive motion events, but not keys
 TEST_F(InputDispatcherTest, UnfocusedWindow_ReceivesMotionsButNotKeys) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -3091,11 +3280,13 @@ TEST_F(InputDispatcherTest, PointerCancel_SendCancelWhenSplitTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -3146,7 +3337,7 @@ TEST_F(InputDispatcherTest, SendTimeline_DoesNotCrashDispatcher) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     std::array<nsecs_t, GraphicsTimeline::SIZE> graphicsTimeline;
     graphicsTimeline[GraphicsTimeline::GPU_COMPLETED_TIME] = 2;
@@ -3236,7 +3427,7 @@ using InputDispatcherMonitorTest = InputDispatcherTest;
 TEST_F(InputDispatcherMonitorTest, MonitorTouchIsCanceledWhenForegroundWindowDisappears) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
 
@@ -3276,8 +3467,8 @@ TEST_F(InputDispatcherMonitorTest, MonitorTouchIsCanceledWhenForegroundWindowDis
 
 TEST_F(InputDispatcherMonitorTest, ReceivesMotionEvents) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
@@ -3293,8 +3484,8 @@ TEST_F(InputDispatcherMonitorTest, MonitorCannotPilferPointers) {
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
 
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -3318,8 +3509,8 @@ TEST_F(InputDispatcherMonitorTest, MonitorCannotPilferPointers) {
 
 TEST_F(InputDispatcherMonitorTest, NoWindowTransform) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->setWindowOffset(20, 40);
     window->setWindowTransform(0, 1, -1, 0);
@@ -3347,8 +3538,8 @@ TEST_F(InputDispatcherMonitorTest, InjectionFailsWithNoWindow) {
 
 TEST_F(InputDispatcherTest, TestMoveEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -3378,8 +3569,8 @@ TEST_F(InputDispatcherTest, TestMoveEvent) {
  */
 TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     const WindowInfo& windowInfo = *window->getInfo();
 
     // Set focused application.
@@ -3398,7 +3589,7 @@ TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
 
     SCOPED_TRACE("Disable touch mode");
     mDispatcher->setInTouchMode(false, windowInfo.ownerPid, windowInfo.ownerUid,
-                                /* hasPermission */ true);
+                                true /*hasPermission*/, ADISPLAY_ID_DEFAULT);
     window->consumeTouchModeEvent(false);
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -3412,7 +3603,7 @@ TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
 
     SCOPED_TRACE("Enable touch mode again");
     mDispatcher->setInTouchMode(true, windowInfo.ownerPid, windowInfo.ownerUid,
-                                /* hasPermission */ true);
+                                true /*hasPermission*/, ADISPLAY_ID_DEFAULT);
     window->consumeTouchModeEvent(true);
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -3424,8 +3615,8 @@ TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
 
 TEST_F(InputDispatcherTest, VerifyInputEvent_KeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocusable(true);
@@ -3463,8 +3654,8 @@ TEST_F(InputDispatcherTest, VerifyInputEvent_KeyEvent) {
 
 TEST_F(InputDispatcherTest, VerifyInputEvent_MotionEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
@@ -3568,9 +3759,9 @@ TEST_F(InputDispatcherTest, GeneratedHmac_ChangesWhenFieldsChange) {
 TEST_F(InputDispatcherTest, SetFocusedWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     // Top window is also focusable but is not granted focus.
@@ -3591,7 +3782,7 @@ TEST_F(InputDispatcherTest, SetFocusedWindow) {
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestInvalidChannel) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     window->setFocusable(true);
@@ -3611,7 +3802,7 @@ TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestInvalidChannel) {
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestNoFocusableWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     window->setFocusable(false);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
@@ -3629,9 +3820,9 @@ TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestNoFocusableWindow) {
 TEST_F(InputDispatcherTest, SetFocusedWindow_CheckFocusedToken) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     windowTop->setFocusable(true);
@@ -3654,9 +3845,9 @@ TEST_F(InputDispatcherTest, SetFocusedWindow_CheckFocusedToken) {
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestFocusTokenNotFocused) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     windowTop->setFocusable(true);
@@ -3675,10 +3866,10 @@ TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestFocusTokenNotFocused) {
 TEST_F(InputDispatcherTest, SetFocusedWindow_DeferInvisibleWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> previousFocusedWindow =
-            new FakeWindowHandle(application, mDispatcher, "previousFocusedWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "previousFocusedWindow",
+                                       ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     window->setFocusable(true);
@@ -3713,7 +3904,7 @@ TEST_F(InputDispatcherTest, SetFocusedWindow_DeferInvisibleWindow) {
 TEST_F(InputDispatcherTest, DisplayRemoved) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     // window is granted focus.
@@ -3758,7 +3949,7 @@ TEST_F(InputDispatcherTest, SlipperyWindow_SetsFlagPartiallyObscured) {
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     sp<FakeWindowHandle> slipperyExitWindow =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     slipperyExitWindow->setSlippery(true);
     // Make sure this one overlaps the bottom window
     slipperyExitWindow->setFrame(Rect(25, 25, 75, 75));
@@ -3767,7 +3958,7 @@ TEST_F(InputDispatcherTest, SlipperyWindow_SetsFlagPartiallyObscured) {
     slipperyExitWindow->setOwnerInfo(SLIPPERY_PID, SLIPPERY_UID);
 
     sp<FakeWindowHandle> slipperyEnterWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     slipperyExitWindow->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows(
@@ -3801,7 +3992,7 @@ protected:
     sp<FakeWindowHandle> mWindow;
 
     virtual void SetUp() override {
-        mFakePolicy = new FakeInputDispatcherPolicy();
+        mFakePolicy = sp<FakeInputDispatcherPolicy>::make();
         mFakePolicy->setKeyRepeatConfiguration(KEY_REPEAT_TIMEOUT, KEY_REPEAT_DELAY);
         mDispatcher = std::make_unique<InputDispatcher>(mFakePolicy);
         mDispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
@@ -3812,7 +4003,7 @@ protected:
 
     void setUpWindow() {
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
         mWindow->setFocusable(true);
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow}}});
@@ -3949,7 +4140,7 @@ public:
 
         application1 = std::make_shared<FakeApplicationHandle>();
         windowInPrimary =
-                new FakeWindowHandle(application1, mDispatcher, "D_1", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application1, mDispatcher, "D_1", ADISPLAY_ID_DEFAULT);
 
         // Set focus window for primary display, but focused display would be second one.
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
@@ -3960,7 +4151,7 @@ public:
 
         application2 = std::make_shared<FakeApplicationHandle>();
         windowInSecondary =
-                new FakeWindowHandle(application2, mDispatcher, "D_2", SECOND_DISPLAY_ID);
+                sp<FakeWindowHandle>::make(application2, mDispatcher, "D_2", SECOND_DISPLAY_ID);
         // Set focus to second display window.
         // Set focus display to second one.
         mDispatcher->setFocusedDisplay(SECOND_DISPLAY_ID);
@@ -4089,7 +4280,7 @@ TEST_F(InputDispatcherFocusOnTwoDisplaysTest, MonitorKeyEvent_MultiDisplay) {
 
 TEST_F(InputDispatcherFocusOnTwoDisplaysTest, CanFocusWindowOnUnfocusedDisplay) {
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application1, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application1, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowInPrimary, secondWindowInPrimary}}});
     setFocusedWindow(secondWindowInPrimary);
@@ -4258,8 +4449,8 @@ protected:
 
         std::shared_ptr<InputApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
-        mWindow =
-                new FakeWindowHandle(application, mDispatcher, "Test Window", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(application, mDispatcher, "Test Window",
+                                             ADISPLAY_ID_DEFAULT);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
         mWindow->setFocusable(true);
@@ -4363,11 +4554,11 @@ class InputDispatcherOnPointerDownOutsideFocus : public InputDispatcherTest {
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         mUnfocusedWindow =
-                new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
         mUnfocusedWindow->setFrame(Rect(0, 0, 30, 30));
 
         mFocusedWindow =
-                new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
         mFocusedWindow->setFrame(Rect(50, 50, 100, 100));
 
         // Set focused application.
@@ -4473,12 +4664,12 @@ class InputDispatcherMultiWindowSameTokenTests : public InputDispatcherTest {
 
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
-        mWindow1 = new FakeWindowHandle(application, mDispatcher, "Fake Window 1",
-                                        ADISPLAY_ID_DEFAULT);
+        mWindow1 = sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window 1",
+                                              ADISPLAY_ID_DEFAULT);
         mWindow1->setFrame(Rect(0, 0, 100, 100));
 
-        mWindow2 = new FakeWindowHandle(application, mDispatcher, "Fake Window 2",
-                                        ADISPLAY_ID_DEFAULT, mWindow1->getToken());
+        mWindow2 = sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window 2",
+                                              ADISPLAY_ID_DEFAULT, mWindow1->getToken());
         mWindow2->setFrame(Rect(100, 100, 200, 200));
 
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow1, mWindow2}}});
@@ -4508,6 +4699,7 @@ protected:
 
         const MotionEvent& motionEvent = static_cast<const MotionEvent&>(*event);
         assertMotionAction(expectedAction, motionEvent.getAction());
+        ASSERT_EQ(points.size(), motionEvent.getPointerCount());
 
         for (size_t i = 0; i < points.size(); i++) {
             float expectedX = points[i].x;
@@ -4660,8 +4852,8 @@ class InputDispatcherSingleWindowAnr : public InputDispatcherTest {
 
         mApplication = std::make_shared<FakeApplicationHandle>();
         mApplication->setDispatchingTimeout(20ms);
-        mWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "TestWindow",
+                                             ADISPLAY_ID_DEFAULT);
         mWindow->setFrame(Rect(0, 0, 30, 30));
         mWindow->setDispatchingTimeout(30ms);
         mWindow->setFocusable(true);
@@ -4695,7 +4887,7 @@ protected:
 
     sp<FakeWindowHandle> addSpyWindow() {
         sp<FakeWindowHandle> spy =
-                new FakeWindowHandle(mApplication, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
         spy->setTrustedOverlay(true);
         spy->setFocusable(false);
         spy->setSpy(true);
@@ -5141,14 +5333,14 @@ class InputDispatcherMultiWindowAnr : public InputDispatcherTest {
 
         mApplication = std::make_shared<FakeApplicationHandle>();
         mApplication->setDispatchingTimeout(10ms);
-        mUnfocusedWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "Unfocused", ADISPLAY_ID_DEFAULT);
+        mUnfocusedWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Unfocused",
+                                                      ADISPLAY_ID_DEFAULT);
         mUnfocusedWindow->setFrame(Rect(0, 0, 30, 30));
         // Adding FLAG_WATCH_OUTSIDE_TOUCH to receive ACTION_OUTSIDE when another window is tapped
         mUnfocusedWindow->setWatchOutsideTouch(true);
 
-        mFocusedWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "Focused", ADISPLAY_ID_DEFAULT);
+        mFocusedWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Focused",
+                                                    ADISPLAY_ID_DEFAULT);
         mFocusedWindow->setDispatchingTimeout(30ms);
         mFocusedWindow->setFrame(Rect(50, 50, 100, 100));
 
@@ -5515,16 +5707,16 @@ class InputDispatcherMultiWindowOcclusionTests : public InputDispatcherTest {
         InputDispatcherTest::SetUp();
 
         mApplication = std::make_shared<FakeApplicationHandle>();
-        mNoInputWindow = new FakeWindowHandle(mApplication, mDispatcher,
-                                              "Window without input channel", ADISPLAY_ID_DEFAULT,
-                                              std::make_optional<sp<IBinder>>(nullptr) /*token*/);
-
+        mNoInputWindow =
+                sp<FakeWindowHandle>::make(mApplication, mDispatcher,
+                                           "Window without input channel", ADISPLAY_ID_DEFAULT,
+                                           std::make_optional<sp<IBinder>>(nullptr) /*token*/);
         mNoInputWindow->setNoInputChannel(true);
         mNoInputWindow->setFrame(Rect(0, 0, 100, 100));
         // It's perfectly valid for this window to not have an associated input channel
 
-        mBottomWindow = new FakeWindowHandle(mApplication, mDispatcher, "Bottom window",
-                                             ADISPLAY_ID_DEFAULT);
+        mBottomWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Bottom window",
+                                                   ADISPLAY_ID_DEFAULT);
         mBottomWindow->setFrame(Rect(0, 0, 100, 100));
 
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mNoInputWindow, mBottomWindow}}});
@@ -5557,9 +5749,9 @@ TEST_F(InputDispatcherMultiWindowOcclusionTests, NoInputChannelFeature_DropsTouc
  */
 TEST_F(InputDispatcherMultiWindowOcclusionTests,
        NoInputChannelFeature_DropsTouchesWithValidChannel) {
-    mNoInputWindow = new FakeWindowHandle(mApplication, mDispatcher,
-                                          "Window with input channel and NO_INPUT_CHANNEL",
-                                          ADISPLAY_ID_DEFAULT);
+    mNoInputWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher,
+                                                "Window with input channel and NO_INPUT_CHANNEL",
+                                                ADISPLAY_ID_DEFAULT);
 
     mNoInputWindow->setNoInputChannel(true);
     mNoInputWindow->setFrame(Rect(0, 0, 100, 100));
@@ -5585,9 +5777,9 @@ protected:
     virtual void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
-        mMirror = new FakeWindowHandle(mApp, mDispatcher, "TestWindowMirror", ADISPLAY_ID_DEFAULT,
-                                       mWindow->getToken());
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mMirror = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindowMirror",
+                                             ADISPLAY_ID_DEFAULT, mWindow->getToken());
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
         mWindow->setFocusable(true);
         mMirror->setFocusable(true);
@@ -5729,9 +5921,10 @@ protected:
     void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFocusable(true);
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFocusable(true);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
@@ -5892,7 +6085,6 @@ protected:
     virtual void SetUp() override {
         InputDispatcherTest::SetUp();
         mTouchWindow = getWindow(TOUCHED_APP_UID, "Touched");
-        mDispatcher->setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode::BLOCK);
         mDispatcher->setMaximumObscuringOpacityForTouch(MAXIMUM_OBSCURING_OPACITY);
     }
 
@@ -5913,7 +6105,7 @@ protected:
     sp<FakeWindowHandle> getWindow(int32_t uid, std::string name) {
         std::shared_ptr<FakeApplicationHandle> app = std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(app, mDispatcher, name, ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(app, mDispatcher, name, ADISPLAY_ID_DEFAULT);
         // Generate an arbitrary PID based on the UID
         window->setOwnerInfo(1777 + (uid % 10000), uid);
         return window;
@@ -6273,20 +6465,28 @@ protected:
     sp<FakeWindowHandle> mWindow;
     sp<FakeWindowHandle> mSecondWindow;
     sp<FakeWindowHandle> mDragWindow;
+    sp<FakeWindowHandle> mSpyWindow;
     // Mouse would force no-split, set the id as non-zero to verify if drag state could track it.
     static constexpr int32_t MOUSE_POINTER_ID = 1;
 
     void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFrame(Rect(0, 0, 100, 100));
 
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFrame(Rect(100, 0, 200, 100));
 
+        mSpyWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "SpyWindow", ADISPLAY_ID_DEFAULT);
+        mSpyWindow->setSpy(true);
+        mSpyWindow->setTrustedOverlay(true);
+        mSpyWindow->setFrame(Rect(0, 0, 200, 100));
+
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
-        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mSpyWindow, mWindow, mSecondWindow}}});
     }
 
     void injectDown(int fromSource = AINPUT_SOURCE_TOUCHSCREEN) {
@@ -6327,6 +6527,8 @@ protected:
 
         // Window should receive motion event.
         mWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+        // Spy window should also receive motion event
+        mSpyWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
     }
 
     // Start performing drag, we will create a drag window and transfer touch to it.
@@ -6338,9 +6540,11 @@ protected:
         }
 
         // The drag window covers the entire display
-        mDragWindow = new FakeWindowHandle(mApp, mDispatcher, "DragWindow", ADISPLAY_ID_DEFAULT);
+        mDragWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "DragWindow", ADISPLAY_ID_DEFAULT);
+        mDragWindow->setTouchableRegion(Region{{0, 0, 0, 0}});
         mDispatcher->setInputWindows(
-                {{ADISPLAY_ID_DEFAULT, {mDragWindow, mWindow, mSecondWindow}}});
+                {{ADISPLAY_ID_DEFAULT, {mDragWindow, mSpyWindow, mWindow, mSecondWindow}}});
 
         // Transfer touch focus to the drag window
         bool transferred =
@@ -6392,6 +6596,30 @@ TEST_F(InputDispatcherDragTests, DragEnterAndDragExit) {
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherDragTests, DragEnterAndPointerDownPilfersPointers) {
+    startDrag();
+
+    // No cancel event after drag start
+    mSpyWindow->assertNoEvents();
+
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(60).y(60))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+
+    // Receives cancel for first pointer after next pointer down
+    mSpyWindow->consumeMotionCancel();
+    mSpyWindow->consumeMotionDown();
+
+    mSpyWindow->assertNoEvents();
+}
+
 TEST_F(InputDispatcherDragTests, DragAndDrop) {
     startDrag();
 
@@ -6598,7 +6826,7 @@ TEST_F(InputDispatcherDragTests, DragAndDropWhenMultiDisplays) {
 
     // Update window of second display.
     sp<FakeWindowHandle> windowInSecondary =
-            new FakeWindowHandle(mApp, mDispatcher, "D_2", SECOND_DISPLAY_ID);
+            sp<FakeWindowHandle>::make(mApp, mDispatcher, "D_2", SECOND_DISPLAY_ID);
     mDispatcher->setInputWindows({{SECOND_DISPLAY_ID, {windowInSecondary}}});
 
     // Let second display has a touch state.
@@ -6698,8 +6926,8 @@ class InputDispatcherDropInputFeatureTest : public InputDispatcherTest {};
 
 TEST_F(InputDispatcherDropInputFeatureTest, WindowDropsInput) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInput(true);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocusable(true);
@@ -6737,14 +6965,14 @@ TEST_F(InputDispatcherDropInputFeatureTest, ObscuredWindowDropsInput) {
     std::shared_ptr<FakeApplicationHandle> obscuringApplication =
             std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> obscuringWindow =
-            new FakeWindowHandle(obscuringApplication, mDispatcher, "obscuringWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(obscuringApplication, mDispatcher, "obscuringWindow",
+                                       ADISPLAY_ID_DEFAULT);
     obscuringWindow->setFrame(Rect(0, 0, 50, 50));
     obscuringWindow->setOwnerInfo(111, 111);
     obscuringWindow->setTouchable(false);
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInputIfObscured(true);
     window->setOwnerInfo(222, 222);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -6783,14 +7011,14 @@ TEST_F(InputDispatcherDropInputFeatureTest, UnobscuredWindowGetsInput) {
     std::shared_ptr<FakeApplicationHandle> obscuringApplication =
             std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> obscuringWindow =
-            new FakeWindowHandle(obscuringApplication, mDispatcher, "obscuringWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(obscuringApplication, mDispatcher, "obscuringWindow",
+                                       ADISPLAY_ID_DEFAULT);
     obscuringWindow->setFrame(Rect(0, 0, 50, 50));
     obscuringWindow->setOwnerInfo(111, 111);
     obscuringWindow->setTouchable(false);
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInputIfObscured(true);
     window->setOwnerInfo(222, 222);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -6827,42 +7055,67 @@ TEST_F(InputDispatcherDropInputFeatureTest, UnobscuredWindowGetsInput) {
 class InputDispatcherTouchModeChangedTests : public InputDispatcherTest {
 protected:
     std::shared_ptr<FakeApplicationHandle> mApp;
+    std::shared_ptr<FakeApplicationHandle> mSecondaryApp;
     sp<FakeWindowHandle> mWindow;
     sp<FakeWindowHandle> mSecondWindow;
+    sp<FakeWindowHandle> mThirdWindow;
 
     void SetUp() override {
         InputDispatcherTest::SetUp();
 
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mSecondaryApp = std::make_shared<FakeApplicationHandle>();
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFocusable(true);
         setFocusedWindow(mWindow);
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFocusable(true);
+        mThirdWindow =
+                sp<FakeWindowHandle>::make(mSecondaryApp, mDispatcher,
+                                           "TestWindow3_SecondaryDisplay", SECOND_DISPLAY_ID);
+        mThirdWindow->setFocusable(true);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
-        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}},
+                                      {SECOND_DISPLAY_ID, {mThirdWindow}}});
+        mThirdWindow->setOwnerInfo(SECONDARY_WINDOW_PID, SECONDARY_WINDOW_UID);
         mWindow->consumeFocusEvent(true);
 
-        // Set initial touch mode to InputDispatcher::kDefaultInTouchMode.
+        // Set main display initial touch mode to InputDispatcher::kDefaultInTouchMode.
         if (mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, WINDOW_PID,
-                                        WINDOW_UID, /* hasPermission */ true)) {
+                                        WINDOW_UID, true /* hasPermission */,
+                                        ADISPLAY_ID_DEFAULT)) {
             mWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
             mSecondWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
+            mThirdWindow->assertNoEvents();
+        }
+
+        // Set secondary display initial touch mode to InputDispatcher::kDefaultInTouchMode.
+        if (mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, SECONDARY_WINDOW_PID,
+                                        SECONDARY_WINDOW_UID, true /* hasPermission */,
+                                        SECOND_DISPLAY_ID)) {
+            mWindow->assertNoEvents();
+            mSecondWindow->assertNoEvents();
+            mThirdWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
         }
     }
 
-    void changeAndVerifyTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) {
-        ASSERT_TRUE(mDispatcher->setInTouchMode(inTouchMode, pid, uid, hasPermission));
+    void changeAndVerifyTouchModeInMainDisplayOnly(bool inTouchMode, int32_t pid, int32_t uid,
+                                                   bool hasPermission) {
+        ASSERT_TRUE(mDispatcher->setInTouchMode(inTouchMode, pid, uid, hasPermission,
+                                                ADISPLAY_ID_DEFAULT));
         mWindow->consumeTouchModeEvent(inTouchMode);
         mSecondWindow->consumeTouchModeEvent(inTouchMode);
+        mThirdWindow->assertNoEvents();
     }
 };
 
 TEST_F(InputDispatcherTouchModeChangedTests, FocusedWindowCanChangeTouchMode) {
     const WindowInfo& windowInfo = *mWindow->getInfo();
-    changeAndVerifyTouchMode(!InputDispatcher::kDefaultInTouchMode, windowInfo.ownerPid,
-                             windowInfo.ownerUid, /* hasPermission */ false);
+    changeAndVerifyTouchModeInMainDisplayOnly(!InputDispatcher::kDefaultInTouchMode,
+                                              windowInfo.ownerPid, windowInfo.ownerUid,
+                                              false /*  hasPermission */);
 }
 
 TEST_F(InputDispatcherTouchModeChangedTests, NonFocusedWindowOwnerCannotChangeTouchMode) {
@@ -6871,7 +7124,8 @@ TEST_F(InputDispatcherTouchModeChangedTests, NonFocusedWindowOwnerCannotChangeTo
     int32_t ownerUid = windowInfo.ownerUid;
     mWindow->setOwnerInfo(/* pid */ -1, /* uid */ -1);
     ASSERT_FALSE(mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, ownerPid,
-                                             ownerUid, /* hasPermission */ false));
+                                             ownerUid, false /*hasPermission*/,
+                                             ADISPLAY_ID_DEFAULT));
     mWindow->assertNoEvents();
     mSecondWindow->assertNoEvents();
 }
@@ -6881,19 +7135,29 @@ TEST_F(InputDispatcherTouchModeChangedTests, NonWindowOwnerMayChangeTouchModeOnP
     int32_t ownerPid = windowInfo.ownerPid;
     int32_t ownerUid = windowInfo.ownerUid;
     mWindow->setOwnerInfo(/* pid */ -1, /* uid */ -1);
-    changeAndVerifyTouchMode(!InputDispatcher::kDefaultInTouchMode, ownerPid, ownerUid,
-                             /* hasPermission */ true);
+    changeAndVerifyTouchModeInMainDisplayOnly(!InputDispatcher::kDefaultInTouchMode, ownerPid,
+                                              ownerUid, true /*hasPermission*/);
 }
 
 TEST_F(InputDispatcherTouchModeChangedTests, EventIsNotGeneratedIfNotChangingTouchMode) {
     const WindowInfo& windowInfo = *mWindow->getInfo();
     ASSERT_FALSE(mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode,
                                              windowInfo.ownerPid, windowInfo.ownerUid,
-                                             /* hasPermission */ true));
+                                             true /*hasPermission*/, ADISPLAY_ID_DEFAULT));
     mWindow->assertNoEvents();
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherTouchModeChangedTests, ChangeTouchOnSecondaryDisplayOnly) {
+    const WindowInfo& windowInfo = *mThirdWindow->getInfo();
+    ASSERT_TRUE(mDispatcher->setInTouchMode(!InputDispatcher::kDefaultInTouchMode,
+                                            windowInfo.ownerPid, windowInfo.ownerUid,
+                                            true /*hasPermission*/, SECOND_DISPLAY_ID));
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+    mThirdWindow->consumeTouchModeEvent(!InputDispatcher::kDefaultInTouchMode);
+}
+
 TEST_F(InputDispatcherTouchModeChangedTests, CanChangeTouchModeWhenOwningLastInteractedWindow) {
     // Interact with the window first.
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyDown(mDispatcher, ADISPLAY_ID_DEFAULT))
@@ -6908,7 +7172,7 @@ TEST_F(InputDispatcherTouchModeChangedTests, CanChangeTouchModeWhenOwningLastInt
     const WindowInfo& windowInfo = *mWindow->getInfo();
     ASSERT_TRUE(mDispatcher->setInTouchMode(!InputDispatcher::kDefaultInTouchMode,
                                             windowInfo.ownerPid, windowInfo.ownerUid,
-                                            /* hasPermission= */ false));
+                                            false /*hasPermission*/, ADISPLAY_ID_DEFAULT));
 }
 
 class InputDispatcherSpyWindowTest : public InputDispatcherTest {
@@ -6918,8 +7182,8 @@ public:
                 std::make_shared<FakeApplicationHandle>();
         std::string name = "Fake Spy ";
         name += std::to_string(mSpyCount++);
-        sp<FakeWindowHandle> spy =
-                new FakeWindowHandle(application, mDispatcher, name.c_str(), ADISPLAY_ID_DEFAULT);
+        sp<FakeWindowHandle> spy = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                              name.c_str(), ADISPLAY_ID_DEFAULT);
         spy->setSpy(true);
         spy->setTrustedOverlay(true);
         return spy;
@@ -6929,7 +7193,8 @@ public:
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setFocusable(true);
         return window;
     }
@@ -7013,8 +7278,8 @@ TEST_F(InputDispatcherSpyWindowTest, ReceivesInputInOrder) {
             break; // epoll_wait timed out
         }
         for (int i = 0; i < nFds; i++) {
-            ASSERT_EQ(EPOLLIN, events[i].events);
-            eventOrder.push_back(events[i].data.u64);
+            ASSERT_EQ(static_cast<uint32_t>(EPOLLIN), events[i].events);
+            eventOrder.push_back(static_cast<size_t>(events[i].data.u64));
             channels[i]->consumeMotionDown();
         }
     }
@@ -7097,10 +7362,146 @@ TEST_F(InputDispatcherSpyWindowTest, WatchOutsideTouches) {
 }
 
 /**
- * A spy window can pilfer pointers. When this happens, touch gestures that are currently sent to
- * any other windows - including other spy windows - will also be cancelled.
+ * Even when a spy window spans over multiple foreground windows, the spy should receive all
+ * pointers that are down within its bounds.
+ */
+TEST_F(InputDispatcherSpyWindowTest, ReceivesMultiplePointers) {
+    auto windowLeft = createForeground();
+    windowLeft->setFrame({0, 0, 100, 200});
+    auto windowRight = createForeground();
+    windowRight->setFrame({100, 0, 200, 200});
+    auto spy = createSpy();
+    spy->setFrame({0, 0, 200, 200});
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, windowLeft, windowRight}}});
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {50, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    windowLeft->consumeMotionDown();
+    spy->consumeMotionDown();
+
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(
+                            PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(150).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    windowRight->consumeMotionDown();
+    spy->consumeMotionPointerDown(1 /*pointerIndex*/);
+}
+
+/**
+ * When the first pointer lands outside the spy window and the second pointer lands inside it, the
+ * the spy should receive the second pointer with ACTION_DOWN.
+ */
+TEST_F(InputDispatcherSpyWindowTest, ReceivesSecondPointerAsDown) {
+    auto window = createForeground();
+    window->setFrame({0, 0, 200, 200});
+    auto spyRight = createSpy();
+    spyRight->setFrame({100, 0, 200, 200});
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spyRight, window}}});
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {50, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    spyRight->assertNoEvents();
+
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(
+                            PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(150).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionPointerDown(1 /*pointerIndex*/);
+    spyRight->consumeMotionDown();
+}
+
+/**
+ * The spy window should not be able to affect whether or not touches are split. Only the foreground
+ * windows should be allowed to control split touch.
+ */
+TEST_F(InputDispatcherSpyWindowTest, SplitIfNoForegroundWindowTouched) {
+    // This spy window prevents touch splitting. However, we still expect to split touches
+    // because a foreground window has not disabled splitting.
+    auto spy = createSpy();
+    spy->setPreventSplitting(true);
+
+    auto window = createForeground();
+    window->setFrame(Rect(0, 0, 100, 100));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down, no window touched.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {100, 200}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    window->assertNoEvents();
+
+    // Second finger down on window, the window should receive touch down.
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(100)
+                                     .y(200))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+
+    window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    spy->consumeMotionPointerDown(1 /* pointerIndex */);
+}
+
+/**
+ * A spy window will usually be implemented as an un-focusable window. Verify that these windows
+ * do not receive key events.
  */
-TEST_F(InputDispatcherSpyWindowTest, PilferPointers) {
+TEST_F(InputDispatcherSpyWindowTest, UnfocusableSpyDoesNotReceiveKeyEvents) {
+    auto spy = createSpy();
+    spy->setFocusable(false);
+
+    auto window = createForeground();
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+    setFocusedWindow(window);
+    window->consumeFocusEvent(true);
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyDown(mDispatcher))
+            << "Inject key event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeKeyDown(ADISPLAY_ID_NONE);
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyUp(mDispatcher))
+            << "Inject key event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeKeyUp(ADISPLAY_ID_NONE);
+
+    spy->assertNoEvents();
+}
+
+using InputDispatcherPilferPointersTest = InputDispatcherSpyWindowTest;
+
+/**
+ * A spy window can pilfer pointers. When this happens, touch gestures used by the spy window that
+ * are currently sent to any other windows - including other spy windows - will also be cancelled.
+ */
+TEST_F(InputDispatcherPilferPointersTest, PilferPointers) {
     auto window = createForeground();
     auto spy1 = createSpy();
     auto spy2 = createSpy();
@@ -7133,7 +7534,7 @@ TEST_F(InputDispatcherSpyWindowTest, PilferPointers) {
  * A spy window can pilfer pointers for a gesture even after the foreground window has been removed
  * in the middle of the gesture.
  */
-TEST_F(InputDispatcherSpyWindowTest, CanPilferAfterWindowIsRemovedMidStream) {
+TEST_F(InputDispatcherPilferPointersTest, CanPilferAfterWindowIsRemovedMidStream) {
     auto window = createForeground();
     auto spy = createSpy();
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
@@ -7158,7 +7559,7 @@ TEST_F(InputDispatcherSpyWindowTest, CanPilferAfterWindowIsRemovedMidStream) {
  * After a spy window pilfers pointers, new pointers that go down in its bounds should be sent to
  * the spy, but not to any other windows.
  */
-TEST_F(InputDispatcherSpyWindowTest, ContinuesToReceiveGestureAfterPilfer) {
+TEST_F(InputDispatcherPilferPointersTest, ContinuesToReceiveGestureAfterPilfer) {
     auto spy = createSpy();
     auto window = createForeground();
 
@@ -7214,136 +7615,154 @@ TEST_F(InputDispatcherSpyWindowTest, ContinuesToReceiveGestureAfterPilfer) {
 }
 
 /**
- * Even when a spy window spans over multiple foreground windows, the spy should receive all
- * pointers that are down within its bounds.
+ * After a spy window pilfers pointers, only the pointers used by the spy should be canceled
  */
-TEST_F(InputDispatcherSpyWindowTest, ReceivesMultiplePointers) {
-    auto windowLeft = createForeground();
-    windowLeft->setFrame({0, 0, 100, 200});
-    auto windowRight = createForeground();
-    windowRight->setFrame({100, 0, 200, 200});
+TEST_F(InputDispatcherPilferPointersTest, PartiallyPilferRequiredPointers) {
     auto spy = createSpy();
-    spy->setFrame({0, 0, 200, 200});
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, windowLeft, windowRight}}});
+    spy->setFrame(Rect(0, 0, 100, 100));
+    auto window = createForeground();
+    window->setFrame(Rect(0, 0, 200, 200));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
 
+    // First finger down on the window only
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
-                               {50, 50}))
+                               {150, 150}))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    windowLeft->consumeMotionDown();
-    spy->consumeMotionDown();
+    window->consumeMotionDown();
 
+    // Second finger down on the spy and window
     const MotionEvent secondFingerDownEvent =
             MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
                     .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
-                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
-                    .pointer(
-                            PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(150).y(50))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
                     .build();
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
                                 InputEventInjectionSync::WAIT_FOR_RESULT))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    windowRight->consumeMotionDown();
-    spy->consumeMotionPointerDown(1 /*pointerIndex*/);
+    spy->consumeMotionDown();
+    window->consumeMotionPointerDown(1);
+
+    // Third finger down on the spy and window
+    const MotionEvent thirdFingerDownEvent =
+            MotionEventBuilder(POINTER_2_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 2, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, thirdFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionPointerDown(1);
+    window->consumeMotionPointerDown(2);
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionPointerUp(/* idx */ 2, ADISPLAY_ID_DEFAULT, AMOTION_EVENT_FLAG_CANCELED);
+    window->consumeMotionPointerUp(/* idx */ 1, ADISPLAY_ID_DEFAULT, AMOTION_EVENT_FLAG_CANCELED);
+
+    spy->assertNoEvents();
+    window->assertNoEvents();
 }
 
 /**
- * When the first pointer lands outside the spy window and the second pointer lands inside it, the
- * the spy should receive the second pointer with ACTION_DOWN.
+ * After a spy window pilfers pointers, all pilfered pointers that have already been dispatched to
+ * other windows should be canceled. If this results in the cancellation of all pointers for some
+ * window, then that window should receive ACTION_CANCEL.
  */
-TEST_F(InputDispatcherSpyWindowTest, ReceivesSecondPointerAsDown) {
+TEST_F(InputDispatcherPilferPointersTest, PilferAllRequiredPointers) {
+    auto spy = createSpy();
+    spy->setFrame(Rect(0, 0, 100, 100));
     auto window = createForeground();
-    window->setFrame({0, 0, 200, 200});
-    auto spyRight = createSpy();
-    spyRight->setFrame({100, 0, 200, 200});
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spyRight, window}}});
+    window->setFrame(Rect(0, 0, 200, 200));
 
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down on both spy and window
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
-                               {50, 50}))
+                               {10, 10}))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
     window->consumeMotionDown();
-    spyRight->assertNoEvents();
+    spy->consumeMotionDown();
 
+    // Second finger down on the spy and window
     const MotionEvent secondFingerDownEvent =
             MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
                     .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
-                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
-                    .pointer(
-                            PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(150).y(50))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
                     .build();
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
                                 InputEventInjectionSync::WAIT_FOR_RESULT))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    window->consumeMotionPointerDown(1 /*pointerIndex*/);
-    spyRight->consumeMotionDown();
+    spy->consumeMotionPointerDown(1);
+    window->consumeMotionPointerDown(1);
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionCancel();
+
+    spy->assertNoEvents();
+    window->assertNoEvents();
 }
 
 /**
- * The spy window should not be able to affect whether or not touches are split. Only the foreground
- * windows should be allowed to control split touch.
+ * After a spy window pilfers pointers, new pointers that are not touching the spy window can still
+ * be sent to other windows
  */
-TEST_F(InputDispatcherSpyWindowTest, SplitIfNoForegroundWindowTouched) {
-    // This spy window prevents touch splitting. However, we still expect to split touches
-    // because a foreground window has not disabled splitting.
+TEST_F(InputDispatcherPilferPointersTest, CanReceivePointersAfterPilfer) {
     auto spy = createSpy();
-    spy->setPreventSplitting(true);
-
+    spy->setFrame(Rect(0, 0, 100, 100));
     auto window = createForeground();
-    window->setFrame(Rect(0, 0, 100, 100));
+    window->setFrame(Rect(0, 0, 200, 200));
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
 
-    // First finger down, no window touched.
+    // First finger down on both window and spy
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
-                               {100, 200}))
+                               {10, 10}))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    spy->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    window->assertNoEvents();
+    window->consumeMotionDown();
+    spy->consumeMotionDown();
 
-    // Second finger down on window, the window should receive touch down.
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionCancel();
+
+    // Second finger down on the window only
     const MotionEvent secondFingerDownEvent =
             MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
                     .displayId(ADISPLAY_ID_DEFAULT)
                     .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
-                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
-                                     .x(100)
-                                     .y(200))
-                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
                     .build();
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
                                 InputEventInjectionSync::WAIT_FOR_RESULT))
             << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    window->assertNoEvents();
 
-    window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    spy->consumeMotionPointerDown(1 /* pointerIndex */);
-}
-
-/**
- * A spy window will usually be implemented as an un-focusable window. Verify that these windows
- * do not receive key events.
- */
-TEST_F(InputDispatcherSpyWindowTest, UnfocusableSpyDoesNotReceiveKeyEvents) {
-    auto spy = createSpy();
-    spy->setFocusable(false);
-
-    auto window = createForeground();
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
-    setFocusedWindow(window);
-    window->consumeFocusEvent(true);
-
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyDown(mDispatcher))
-            << "Inject key event should return InputEventInjectionResult::SUCCEEDED";
-    window->consumeKeyDown(ADISPLAY_ID_NONE);
-
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyUp(mDispatcher))
-            << "Inject key event should return InputEventInjectionResult::SUCCEEDED";
-    window->consumeKeyUp(ADISPLAY_ID_NONE);
-
+    // TODO(b/232530217): do not send the unnecessary MOVE event and delete the next line
+    spy->consumeMotionMove();
     spy->assertNoEvents();
 }
 
@@ -7353,8 +7772,8 @@ public:
         std::shared_ptr<FakeApplicationHandle> overlayApplication =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> overlay =
-                new FakeWindowHandle(overlayApplication, mDispatcher, "Stylus interceptor window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(overlayApplication, mDispatcher,
+                                           "Stylus interceptor window", ADISPLAY_ID_DEFAULT);
         overlay->setFocusable(false);
         overlay->setOwnerInfo(111, 111);
         overlay->setTouchable(false);
@@ -7364,8 +7783,8 @@ public:
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(application, mDispatcher, "Application window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Application window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setFocusable(true);
         window->setOwnerInfo(222, 222);
 
@@ -7505,8 +7924,9 @@ struct User {
     sp<FakeWindowHandle> createWindow() const {
         std::shared_ptr<FakeApplicationHandle> overlayApplication =
                 std::make_shared<FakeApplicationHandle>();
-        sp<FakeWindowHandle> window = new FakeWindowHandle(overlayApplication, mDispatcher,
-                                                           "Owned Window", ADISPLAY_ID_DEFAULT);
+        sp<FakeWindowHandle> window =
+                sp<FakeWindowHandle>::make(overlayApplication, mDispatcher, "Owned Window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setOwnerInfo(mPid, mUid);
         return window;
     }
diff --git a/services/inputflinger/tests/InputFlingerService_test.cpp b/services/inputflinger/tests/InputFlingerService_test.cpp
deleted file mode 100644
index 454e531af6..0000000000
--- a/services/inputflinger/tests/InputFlingerService_test.cpp
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <BnInputFlingerQuery.h>
-#include <IInputFlingerQuery.h>
-
-#include <android/os/BnInputFlinger.h>
-#include <android/os/IInputFlinger.h>
-
-#include <binder/Binder.h>
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-#include <binder/Parcel.h>
-#include <binder/ProcessState.h>
-
-#include <input/Input.h>
-#include <input/InputTransport.h>
-
-#include <gtest/gtest.h>
-#include <inttypes.h>
-#include <linux/uinput.h>
-#include <log/log.h>
-#include <ui/Rect.h>
-#include <ui/Region.h>
-#include <chrono>
-#include <thread>
-#include <unordered_map>
-
-#define TAG "InputFlingerServiceTest"
-
-using android::gui::FocusRequest;
-using android::os::BnInputFlinger;
-using android::os::IInputFlinger;
-
-using std::chrono_literals::operator""ms;
-using std::chrono_literals::operator""s;
-
-namespace android {
-
-static const String16 kTestServiceName = String16("InputFlingerService");
-static const String16 kQueryServiceName = String16("InputFlingerQueryService");
-
-// --- InputFlingerServiceTest ---
-class InputFlingerServiceTest : public testing::Test {
-public:
-    void SetUp() override;
-    void TearDown() override;
-
-protected:
-    void InitializeInputFlinger();
-
-    sp<IInputFlinger> mService;
-    sp<IInputFlingerQuery> mQuery;
-
-private:
-    std::unique_ptr<InputChannel> mServerChannel, mClientChannel;
-    std::mutex mLock;
-};
-
-
-class TestInputManager : public BnInputFlinger {
-protected:
-    virtual ~TestInputManager(){};
-
-public:
-    TestInputManager(){};
-
-    binder::Status getInputChannels(std::vector<::android::InputChannel>* channels);
-
-    status_t dump(int fd, const Vector<String16>& args) override;
-
-    binder::Status createInputChannel(const std::string& name, InputChannel* outChannel) override;
-    binder::Status removeInputChannel(const sp<IBinder>& connectionToken) override;
-    binder::Status setFocusedWindow(const FocusRequest&) override;
-
-    void reset();
-
-private:
-    mutable Mutex mLock;
-    std::vector<std::shared_ptr<InputChannel>> mInputChannels;
-};
-
-class TestInputQuery : public BnInputFlingerQuery {
-public:
-    TestInputQuery(sp<android::TestInputManager> manager) : mManager(manager){};
-    binder::Status getInputChannels(std::vector<::android::InputChannel>* channels) override;
-    binder::Status resetInputManager() override;
-
-private:
-    sp<android::TestInputManager> mManager;
-};
-
-binder::Status TestInputQuery::getInputChannels(std::vector<::android::InputChannel>* channels) {
-    return mManager->getInputChannels(channels);
-}
-
-binder::Status TestInputQuery::resetInputManager() {
-    mManager->reset();
-    return binder::Status::ok();
-}
-
-binder::Status TestInputManager::createInputChannel(const std::string& name,
-                                                    InputChannel* outChannel) {
-    AutoMutex _l(mLock);
-    std::unique_ptr<InputChannel> serverChannel;
-    std::unique_ptr<InputChannel> clientChannel;
-    InputChannel::openInputChannelPair(name, serverChannel, clientChannel);
-
-    clientChannel->copyTo(*outChannel);
-
-    mInputChannels.emplace_back(std::move(serverChannel));
-
-    return binder::Status::ok();
-}
-
-binder::Status TestInputManager::removeInputChannel(const sp<IBinder>& connectionToken) {
-    AutoMutex _l(mLock);
-
-    auto it = std::find_if(mInputChannels.begin(), mInputChannels.end(),
-                           [&](std::shared_ptr<InputChannel>& c) {
-                               return c->getConnectionToken() == connectionToken;
-                           });
-    if (it != mInputChannels.end()) {
-        mInputChannels.erase(it);
-    }
-
-    return binder::Status::ok();
-}
-
-status_t TestInputManager::dump(int fd, const Vector<String16>& args) {
-    std::string dump;
-
-    dump += " InputFlinger dump\n";
-
-    ::write(fd, dump.c_str(), dump.size());
-    return NO_ERROR;
-}
-
-binder::Status TestInputManager::getInputChannels(std::vector<::android::InputChannel>* channels) {
-    channels->clear();
-    for (std::shared_ptr<InputChannel>& channel : mInputChannels) {
-        channels->push_back(*channel);
-    }
-    return binder::Status::ok();
-}
-
-binder::Status TestInputManager::setFocusedWindow(const FocusRequest& request) {
-    return binder::Status::ok();
-}
-
-void TestInputManager::reset() {
-    mInputChannels.clear();
-}
-
-void InputFlingerServiceTest::SetUp() {
-    InputChannel::openInputChannelPair("testchannels", mServerChannel, mClientChannel);
-    InitializeInputFlinger();
-}
-
-void InputFlingerServiceTest::TearDown() {
-    mQuery->resetInputManager();
-}
-
-void InputFlingerServiceTest::InitializeInputFlinger() {
-    sp<IBinder> input(defaultServiceManager()->waitForService(kTestServiceName));
-    ASSERT_TRUE(input != nullptr);
-    mService = interface_cast<IInputFlinger>(input);
-
-    input = defaultServiceManager()->waitForService(kQueryServiceName);
-    ASSERT_TRUE(input != nullptr);
-    mQuery = interface_cast<IInputFlingerQuery>(input);
-}
-
-/**
- *  Test InputFlinger service interface createInputChannel
- */
-TEST_F(InputFlingerServiceTest, CreateInputChannelReturnsUnblockedFd) {
-    // Test that the unblocked file descriptor flag is kept across processes over binder
-    // transactions.
-
-    InputChannel channel;
-    ASSERT_TRUE(mService->createInputChannel("testchannels", &channel).isOk());
-
-    const base::unique_fd& fd = channel.getFd();
-    ASSERT_TRUE(fd.ok());
-
-    const int result = fcntl(fd, F_GETFL);
-    EXPECT_NE(result, -1);
-    EXPECT_EQ(result & O_NONBLOCK, O_NONBLOCK);
-}
-
-TEST_F(InputFlingerServiceTest, CreateInputChannel) {
-    InputChannel channel;
-    ASSERT_TRUE(mService->createInputChannel("testchannels", &channel).isOk());
-
-    std::vector<::android::InputChannel> channels;
-    mQuery->getInputChannels(&channels);
-    ASSERT_EQ(channels.size(), 1UL);
-    EXPECT_EQ(channels[0].getConnectionToken(), channel.getConnectionToken());
-
-    mService->removeInputChannel(channel.getConnectionToken());
-    mQuery->getInputChannels(&channels);
-    EXPECT_EQ(channels.size(), 0UL);
-}
-
-} // namespace android
-
-int main(int argc, char** argv) {
-    pid_t forkPid = fork();
-
-    if (forkPid == 0) {
-        // Server process
-        android::sp<android::TestInputManager> manager = new android::TestInputManager();
-        android::sp<android::TestInputQuery> query = new android::TestInputQuery(manager);
-
-        android::defaultServiceManager()->addService(android::kTestServiceName, manager,
-                                                     false /*allowIsolated*/);
-        android::defaultServiceManager()->addService(android::kQueryServiceName, query,
-                                                     false /*allowIsolated*/);
-        android::ProcessState::self()->startThreadPool();
-        android::IPCThreadState::self()->joinThreadPool();
-    } else {
-        android::ProcessState::self()->startThreadPool();
-        ::testing::InitGoogleTest(&argc, argv);
-        int result = RUN_ALL_TESTS();
-        kill(forkPid, SIGKILL);
-        return result;
-    }
-    return 0;
-}
diff --git a/services/inputflinger/tests/InputMapperTest.cpp b/services/inputflinger/tests/InputMapperTest.cpp
new file mode 100644
index 0000000000..3cd7c1b0f2
--- /dev/null
+++ b/services/inputflinger/tests/InputMapperTest.cpp
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "InputMapperTest.h"
+
+#include <InputReaderBase.h>
+#include <gtest/gtest.h>
+#include <ui/Rotation.h>
+
+namespace android {
+
+const char* InputMapperTest::DEVICE_NAME = "device";
+const char* InputMapperTest::DEVICE_LOCATION = "USB1";
+const ftl::Flags<InputDeviceClass> InputMapperTest::DEVICE_CLASSES =
+        ftl::Flags<InputDeviceClass>(0); // not needed for current tests
+
+void InputMapperTest::SetUp(ftl::Flags<InputDeviceClass> classes, int bus) {
+    mFakeEventHub = std::make_unique<FakeEventHub>();
+    mFakePolicy = sp<FakeInputReaderPolicy>::make();
+    mFakeListener = std::make_unique<TestInputListener>();
+    mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy, *mFakeListener);
+    mDevice = newDevice(DEVICE_ID, DEVICE_NAME, DEVICE_LOCATION, EVENTHUB_ID, classes, bus);
+    // Consume the device reset notification generated when adding a new device.
+    mFakeListener->assertNotifyDeviceResetWasCalled();
+}
+
+void InputMapperTest::SetUp() {
+    SetUp(DEVICE_CLASSES);
+}
+
+void InputMapperTest::TearDown() {
+    mFakeListener.reset();
+    mFakePolicy.clear();
+}
+
+void InputMapperTest::addConfigurationProperty(const char* key, const char* value) {
+    mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, key, value);
+}
+
+std::list<NotifyArgs> InputMapperTest::configureDevice(uint32_t changes) {
+    if (!changes ||
+        (changes &
+         (InputReaderConfiguration::CHANGE_DISPLAY_INFO |
+          InputReaderConfiguration::CHANGE_POINTER_CAPTURE))) {
+        mReader->requestRefreshConfiguration(changes);
+        mReader->loopOnce();
+    }
+    std::list<NotifyArgs> out =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
+    // Loop the reader to flush the input listener queue.
+    for (const NotifyArgs& args : out) {
+        mFakeListener->notify(args);
+    }
+    mReader->loopOnce();
+    return out;
+}
+
+std::shared_ptr<InputDevice> InputMapperTest::newDevice(int32_t deviceId, const std::string& name,
+                                                        const std::string& location,
+                                                        int32_t eventHubId,
+                                                        ftl::Flags<InputDeviceClass> classes,
+                                                        int bus) {
+    InputDeviceIdentifier identifier;
+    identifier.name = name;
+    identifier.location = location;
+    identifier.bus = bus;
+    std::shared_ptr<InputDevice> device =
+            std::make_shared<InputDevice>(mReader->getContext(), deviceId, DEVICE_GENERATION,
+                                          identifier);
+    mReader->pushNextDevice(device);
+    mFakeEventHub->addDevice(eventHubId, name, classes, bus);
+    mReader->loopOnce();
+    return device;
+}
+
+void InputMapperTest::setDisplayInfoAndReconfigure(int32_t displayId, int32_t width, int32_t height,
+                                                   ui::Rotation orientation,
+                                                   const std::string& uniqueId,
+                                                   std::optional<uint8_t> physicalPort,
+                                                   ViewportType viewportType) {
+    mFakePolicy->addDisplayViewport(displayId, width, height, orientation, /* isActive= */ true,
+                                    uniqueId, physicalPort, viewportType);
+    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+}
+
+void InputMapperTest::clearViewports() {
+    mFakePolicy->clearViewports();
+}
+
+std::list<NotifyArgs> InputMapperTest::process(InputMapper& mapper, nsecs_t when, nsecs_t readTime,
+                                               int32_t type, int32_t code, int32_t value) {
+    RawEvent event;
+    event.when = when;
+    event.readTime = readTime;
+    event.deviceId = mapper.getDeviceContext().getEventHubId();
+    event.type = type;
+    event.code = code;
+    event.value = value;
+    std::list<NotifyArgs> processArgList = mapper.process(&event);
+    for (const NotifyArgs& args : processArgList) {
+        mFakeListener->notify(args);
+    }
+    // Loop the reader to flush the input listener queue.
+    mReader->loopOnce();
+    return processArgList;
+}
+
+void InputMapperTest::resetMapper(InputMapper& mapper, nsecs_t when) {
+    const auto resetArgs = mapper.reset(when);
+    for (const auto args : resetArgs) {
+        mFakeListener->notify(args);
+    }
+    // Loop the reader to flush the input listener queue.
+    mReader->loopOnce();
+}
+
+std::list<NotifyArgs> InputMapperTest::handleTimeout(InputMapper& mapper, nsecs_t when) {
+    std::list<NotifyArgs> generatedArgs = mapper.timeoutExpired(when);
+    for (const NotifyArgs& args : generatedArgs) {
+        mFakeListener->notify(args);
+    }
+    // Loop the reader to flush the input listener queue.
+    mReader->loopOnce();
+    return generatedArgs;
+}
+
+void InputMapperTest::assertMotionRange(const InputDeviceInfo& info, int32_t axis, uint32_t source,
+                                        float min, float max, float flat, float fuzz) {
+    const InputDeviceInfo::MotionRange* range = info.getMotionRange(axis, source);
+    ASSERT_TRUE(range != nullptr) << "Axis: " << axis << " Source: " << source;
+    ASSERT_EQ(axis, range->axis) << "Axis: " << axis << " Source: " << source;
+    ASSERT_EQ(source, range->source) << "Axis: " << axis << " Source: " << source;
+    ASSERT_NEAR(min, range->min, EPSILON) << "Axis: " << axis << " Source: " << source;
+    ASSERT_NEAR(max, range->max, EPSILON) << "Axis: " << axis << " Source: " << source;
+    ASSERT_NEAR(flat, range->flat, EPSILON) << "Axis: " << axis << " Source: " << source;
+    ASSERT_NEAR(fuzz, range->fuzz, EPSILON) << "Axis: " << axis << " Source: " << source;
+}
+
+void InputMapperTest::assertPointerCoords(const PointerCoords& coords, float x, float y,
+                                          float pressure, float size, float touchMajor,
+                                          float touchMinor, float toolMajor, float toolMinor,
+                                          float orientation, float distance,
+                                          float scaledAxisEpsilon) {
+    ASSERT_NEAR(x, coords.getAxisValue(AMOTION_EVENT_AXIS_X), scaledAxisEpsilon);
+    ASSERT_NEAR(y, coords.getAxisValue(AMOTION_EVENT_AXIS_Y), scaledAxisEpsilon);
+    ASSERT_NEAR(pressure, coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE), EPSILON);
+    ASSERT_NEAR(size, coords.getAxisValue(AMOTION_EVENT_AXIS_SIZE), EPSILON);
+    ASSERT_NEAR(touchMajor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR), scaledAxisEpsilon);
+    ASSERT_NEAR(touchMinor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR), scaledAxisEpsilon);
+    ASSERT_NEAR(toolMajor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR), scaledAxisEpsilon);
+    ASSERT_NEAR(toolMinor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR), scaledAxisEpsilon);
+    ASSERT_NEAR(orientation, coords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION), EPSILON);
+    ASSERT_NEAR(distance, coords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE), EPSILON);
+}
+
+void InputMapperTest::assertPosition(const FakePointerController& controller, float x, float y) {
+    float actualX, actualY;
+    controller.getPosition(&actualX, &actualY);
+    ASSERT_NEAR(x, actualX, 1);
+    ASSERT_NEAR(y, actualY, 1);
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/InputMapperTest.h b/services/inputflinger/tests/InputMapperTest.h
new file mode 100644
index 0000000000..b3401c37e2
--- /dev/null
+++ b/services/inputflinger/tests/InputMapperTest.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <list>
+#include <memory>
+
+#include <InputDevice.h>
+#include <InputMapper.h>
+#include <NotifyArgs.h>
+#include <ftl/flags.h>
+#include <utils/StrongPointer.h>
+
+#include "FakeEventHub.h"
+#include "FakeInputReaderPolicy.h"
+#include "InstrumentedInputReader.h"
+#include "TestConstants.h"
+#include "TestInputListener.h"
+
+namespace android {
+
+class InputMapperTest : public testing::Test {
+protected:
+    static const char* DEVICE_NAME;
+    static const char* DEVICE_LOCATION;
+    static constexpr int32_t DEVICE_ID = END_RESERVED_ID + 1000;
+    static constexpr int32_t DEVICE_GENERATION = 2;
+    static constexpr int32_t DEVICE_CONTROLLER_NUMBER = 0;
+    static const ftl::Flags<InputDeviceClass> DEVICE_CLASSES;
+    static constexpr int32_t EVENTHUB_ID = 1;
+
+    std::shared_ptr<FakeEventHub> mFakeEventHub;
+    sp<FakeInputReaderPolicy> mFakePolicy;
+    std::unique_ptr<TestInputListener> mFakeListener;
+    std::unique_ptr<InstrumentedInputReader> mReader;
+    std::shared_ptr<InputDevice> mDevice;
+
+    virtual void SetUp(ftl::Flags<InputDeviceClass> classes, int bus = 0);
+    void SetUp() override;
+    void TearDown() override;
+
+    void addConfigurationProperty(const char* key, const char* value);
+    std::list<NotifyArgs> configureDevice(uint32_t changes);
+    std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
+                                           const std::string& location, int32_t eventHubId,
+                                           ftl::Flags<InputDeviceClass> classes, int bus = 0);
+    template <class T, typename... Args>
+    T& addMapperAndConfigure(Args... args) {
+        T& mapper = mDevice->addMapper<T>(EVENTHUB_ID, args...);
+        configureDevice(0);
+        std::list<NotifyArgs> resetArgList = mDevice->reset(ARBITRARY_TIME);
+        resetArgList += mapper.reset(ARBITRARY_TIME);
+        // Loop the reader to flush the input listener queue.
+        for (const NotifyArgs& loopArgs : resetArgList) {
+            mFakeListener->notify(loopArgs);
+        }
+        mReader->loopOnce();
+        return mapper;
+    }
+
+    void setDisplayInfoAndReconfigure(int32_t displayId, int32_t width, int32_t height,
+                                      ui::Rotation orientation, const std::string& uniqueId,
+                                      std::optional<uint8_t> physicalPort,
+                                      ViewportType viewportType);
+    void clearViewports();
+    std::list<NotifyArgs> process(InputMapper& mapper, nsecs_t when, nsecs_t readTime, int32_t type,
+                                  int32_t code, int32_t value);
+    void resetMapper(InputMapper& mapper, nsecs_t when);
+
+    std::list<NotifyArgs> handleTimeout(InputMapper& mapper, nsecs_t when);
+
+    static void assertMotionRange(const InputDeviceInfo& info, int32_t axis, uint32_t source,
+                                  float min, float max, float flat, float fuzz);
+    static void assertPointerCoords(const PointerCoords& coords, float x, float y, float pressure,
+                                    float size, float touchMajor, float touchMinor, float toolMajor,
+                                    float toolMinor, float orientation, float distance,
+                                    float scaledAxisEpsilon = 1.f);
+    static void assertPosition(const FakePointerController& controller, float x, float y);
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/InputClassifierConverter_test.cpp b/services/inputflinger/tests/InputProcessorConverter_test.cpp
index 81ef9b95f0..040c8da309 100644
--- a/services/inputflinger/tests/InputClassifierConverter_test.cpp
+++ b/services/inputflinger/tests/InputProcessorConverter_test.cpp
@@ -24,7 +24,7 @@ using namespace aidl::android::hardware::input;
 
 namespace android {
 
-// --- InputClassifierConverterTest ---
+// --- InputProcessorConverterTest ---
 
 static NotifyMotionArgs generateBasicMotionArgs() {
     // Create a basic motion event for testing
@@ -52,7 +52,7 @@ static NotifyMotionArgs generateBasicMotionArgs() {
 
 static float getMotionEventAxis(common::PointerCoords coords, common::Axis axis) {
     uint32_t index = BitSet64::getIndexOfBit(static_cast<uint64_t>(coords.bits),
-            static_cast<uint64_t>(axis));
+                                             static_cast<uint64_t>(axis));
     return coords.values[index];
 }
 
@@ -60,7 +60,7 @@ static float getMotionEventAxis(common::PointerCoords coords, common::Axis axis)
  * Check that coordinates get converted properly from the framework's PointerCoords
  * to the hidl PointerCoords in input::common.
  */
-TEST(InputClassifierConverterTest, PointerCoordsAxes) {
+TEST(InputProcessorConverterTest, PointerCoordsAxes) {
     const NotifyMotionArgs motionArgs = generateBasicMotionArgs();
     ASSERT_EQ(1, motionArgs.pointerCoords[0].getX());
     ASSERT_EQ(2, motionArgs.pointerCoords[0].getY());
@@ -76,7 +76,7 @@ TEST(InputClassifierConverterTest, PointerCoordsAxes) {
     ASSERT_EQ(getMotionEventAxis(motionEvent.pointerCoords[0], common::Axis::SIZE),
               motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_SIZE));
     ASSERT_EQ(BitSet64::count(motionArgs.pointerCoords[0].bits),
-            BitSet64::count(motionEvent.pointerCoords[0].bits));
+              BitSet64::count(motionEvent.pointerCoords[0].bits));
 }
 
 } // namespace android
diff --git a/services/inputflinger/tests/InputClassifier_test.cpp b/services/inputflinger/tests/InputProcessor_test.cpp
index 3a7712727a..380001c83a 100644
--- a/services/inputflinger/tests/InputClassifier_test.cpp
+++ b/services/inputflinger/tests/InputProcessor_test.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "../InputClassifier.h"
+#include "../InputProcessor.h"
 #include <gtest/gtest.h>
 #include <gui/constants.h>
 
@@ -31,7 +31,7 @@ using aidl::android::hardware::input::processor::IInputProcessor;
 
 namespace android {
 
-// --- InputClassifierTest ---
+// --- InputProcessorTest ---
 
 static NotifyMotionArgs generateBasicMotionArgs() {
     // Create a basic motion event for testing
@@ -56,105 +56,104 @@ static NotifyMotionArgs generateBasicMotionArgs() {
     return motionArgs;
 }
 
-class InputClassifierTest : public testing::Test {
+class InputProcessorTest : public testing::Test {
 protected:
     TestInputListener mTestListener;
-    std::unique_ptr<InputClassifierInterface> mClassifier;
+    std::unique_ptr<InputProcessorInterface> mProcessor;
 
-    void SetUp() override { mClassifier = std::make_unique<InputClassifier>(mTestListener); }
+    void SetUp() override { mProcessor = std::make_unique<InputProcessor>(mTestListener); }
 };
 
 /**
- * Create a basic configuration change and send it to input classifier.
+ * Create a basic configuration change and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyConfigurationChangedArgs) {
-    // Create a basic configuration change and send to classifier
-    NotifyConfigurationChangedArgs args(1/*sequenceNum*/, 2/*eventTime*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifyConfigurationChangedArgs) {
+    // Create a basic configuration change and send to processor
+    NotifyConfigurationChangedArgs args(1 /*sequenceNum*/, 2 /*eventTime*/);
 
-    mClassifier->notifyConfigurationChanged(&args);
+    mProcessor->notifyConfigurationChanged(&args);
     NotifyConfigurationChangedArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyConfigurationChangedWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-TEST_F(InputClassifierTest, SendToNextStage_NotifyKeyArgs) {
-    // Create a basic key event and send to classifier
+TEST_F(InputProcessorTest, SendToNextStage_NotifyKeyArgs) {
+    // Create a basic key event and send to processor
     NotifyKeyArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 21 /*readTime*/, 3 /*deviceId*/,
                        AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, 0 /*policyFlags*/,
                        AKEY_EVENT_ACTION_DOWN, 4 /*flags*/, AKEYCODE_HOME, 5 /*scanCode*/,
                        AMETA_NONE, 6 /*downTime*/);
 
-    mClassifier->notifyKey(&args);
+    mProcessor->notifyKey(&args);
     NotifyKeyArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyKeyWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-
 /**
- * Create a basic motion event and send it to input classifier.
+ * Create a basic motion event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyMotionArgs) {
+TEST_F(InputProcessorTest, SendToNextStage_NotifyMotionArgs) {
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
-    mClassifier->notifyMotion(&motionArgs);
+    mProcessor->notifyMotion(&motionArgs);
     NotifyMotionArgs args;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyMotionWasCalled(&args));
     ASSERT_EQ(motionArgs, args);
 }
 
 /**
- * Create a basic switch event and send it to input classifier.
+ * Create a basic switch event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifySwitchArgs) {
-    NotifySwitchArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*policyFlags*/, 4/*switchValues*/,
-            5/*switchMask*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifySwitchArgs) {
+    NotifySwitchArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*policyFlags*/, 4 /*switchValues*/,
+                          5 /*switchMask*/);
 
-    mClassifier->notifySwitch(&args);
+    mProcessor->notifySwitch(&args);
     NotifySwitchArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifySwitchWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
 /**
- * Create a basic device reset event and send it to input classifier.
+ * Create a basic device reset event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyDeviceResetArgs) {
-    NotifyDeviceResetArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*deviceId*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifyDeviceResetArgs) {
+    NotifyDeviceResetArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*deviceId*/);
 
-    mClassifier->notifyDeviceReset(&args);
+    mProcessor->notifyDeviceReset(&args);
     NotifyDeviceResetArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyDeviceResetWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-TEST_F(InputClassifierTest, SetMotionClassifier_Enabled) {
-    mClassifier->setMotionClassifierEnabled(true);
+TEST_F(InputProcessorTest, SetMotionClassifier_Enabled) {
+    mProcessor->setMotionClassifierEnabled(true);
 }
 
-TEST_F(InputClassifierTest, SetMotionClassifier_Disabled) {
-    mClassifier->setMotionClassifierEnabled(false);
+TEST_F(InputProcessorTest, SetMotionClassifier_Disabled) {
+    mProcessor->setMotionClassifierEnabled(false);
 }
 
 /**
  * Try to break it by calling setMotionClassifierEnabled multiple times.
  */
-TEST_F(InputClassifierTest, SetMotionClassifier_Multiple) {
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(false);
-    mClassifier->setMotionClassifierEnabled(false);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
+TEST_F(InputProcessorTest, SetMotionClassifier_Multiple) {
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(false);
+    mProcessor->setMotionClassifierEnabled(false);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
 }
 
 /**
- * A minimal implementation of IInputClassifier.
+ * A minimal implementation of IInputProcessor.
  */
 class TestHal : public aidl::android::hardware::input::processor::BnInputProcessor {
     ::ndk::ScopedAStatus classify(
@@ -212,7 +211,7 @@ TEST_F(MotionClassifierTest, Classify_OneVideoFrame) {
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
 
     std::vector<int16_t> videoData = {1, 2, 3, 4};
-    timeval timestamp = { 1, 1};
+    timeval timestamp = {1, 1};
     TouchVideoFrame frame(2, 2, std::move(videoData), timestamp);
     motionArgs.videoFrames = {frame};
 
@@ -228,11 +227,11 @@ TEST_F(MotionClassifierTest, Classify_TwoVideoFrames) {
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
 
     std::vector<int16_t> videoData1 = {1, 2, 3, 4};
-    timeval timestamp1 = { 1, 1};
+    timeval timestamp1 = {1, 1};
     TouchVideoFrame frame1(2, 2, std::move(videoData1), timestamp1);
 
     std::vector<int16_t> videoData2 = {6, 6, 6, 6};
-    timeval timestamp2 = { 1, 2};
+    timeval timestamp2 = {1, 2};
     TouchVideoFrame frame2(2, 2, std::move(videoData2), timestamp2);
 
     motionArgs.videoFrames = {frame1, frame2};
@@ -253,7 +252,7 @@ TEST_F(MotionClassifierTest, Reset_DoesNotCrash) {
  * Make sure MotionClassifier does not crash when a device is reset.
  */
 TEST_F(MotionClassifierTest, DeviceReset_DoesNotCrash) {
-    NotifyDeviceResetArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*deviceId*/);
+    NotifyDeviceResetArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*deviceId*/);
     ASSERT_NO_FATAL_FAILURE(mMotionClassifier->reset(args));
 }
 
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 03fbf07b16..4cc48f6fc3 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -31,29 +31,35 @@
 #include <SingleTouchInputMapper.h>
 #include <SwitchInputMapper.h>
 #include <TestInputListener.h>
+#include <TestInputListenerMatchers.h>
 #include <TouchInputMapper.h>
 #include <UinputDevice.h>
 #include <VibratorInputMapper.h>
 #include <android-base/thread_annotations.h>
+#include <ftl/enum.h>
 #include <gtest/gtest.h>
 #include <gui/constants.h>
-
+#include <ui/Rotation.h>
+
+#include <thread>
+#include "FakeEventHub.h"
+#include "FakeInputReaderPolicy.h"
+#include "FakePointerController.h"
+#include "InputMapperTest.h"
+#include "InstrumentedInputReader.h"
+#include "TestConstants.h"
+#include "android/hardware/input/InputDeviceCountryCode.h"
 #include "input/DisplayViewport.h"
 #include "input/Input.h"
 
+using android::hardware::input::InputDeviceCountryCode;
+
 namespace android {
 
 using namespace ftl::flag_operators;
-
+using testing::AllOf;
 using std::chrono_literals::operator""ms;
 
-// Timeout for waiting for an expected event
-static constexpr std::chrono::duration WAIT_TIMEOUT = 100ms;
-
-// An arbitrary time value.
-static constexpr nsecs_t ARBITRARY_TIME = 1234;
-static constexpr nsecs_t READ_TIME = 4321;
-
 // Arbitrary display properties.
 static constexpr int32_t DISPLAY_ID = 0;
 static const std::string DISPLAY_UNIQUE_ID = "local:1";
@@ -74,9 +80,6 @@ static constexpr int32_t INVALID_TRACKING_ID = -1;
 static constexpr int32_t FIRST_TRACKING_ID = 0;
 static constexpr int32_t SECOND_TRACKING_ID = 1;
 static constexpr int32_t THIRD_TRACKING_ID = 2;
-static constexpr int32_t DEFAULT_BATTERY = 1;
-static constexpr int32_t BATTERY_STATUS = 4;
-static constexpr int32_t BATTERY_CAPACITY = 66;
 static constexpr int32_t LIGHT_BRIGHTNESS = 0x55000000;
 static constexpr int32_t LIGHT_COLOR = 0x7F448866;
 static constexpr int32_t LIGHT_PLAYER_ID = 2;
@@ -90,33 +93,10 @@ static constexpr int32_t ACTION_POINTER_1_DOWN =
 static constexpr int32_t ACTION_POINTER_1_UP =
         AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 
-// Error tolerance for floating point assertions.
-static const float EPSILON = 0.001f;
-
-using ::testing::AllOf;
-
-MATCHER_P(WithAction, action, "InputEvent with specified action") {
-    return arg.action == action;
-}
-
-MATCHER_P(WithSource, source, "InputEvent with specified source") {
-    return arg.source == source;
-}
-
-MATCHER_P(WithDisplayId, displayId, "InputEvent with specified displayId") {
-    return arg.displayId == displayId;
-}
-
-MATCHER_P2(WithCoords, x, y, "MotionEvent with specified action") {
-    return arg.pointerCoords[0].getX() == x && arg.pointerCoords[0].getY();
-}
-
-MATCHER_P(WithToolType, toolType, "InputEvent with specified tool type") {
-    const auto argToolType = arg.pointerProperties[0].toolType;
-    *result_listener << "expected tool type " << motionToolTypeToString(toolType) << ", but got "
-                     << motionToolTypeToString(argToolType);
-    return argToolType == toolType;
-}
+// Minimum timestamp separation between subsequent input events from a Bluetooth device.
+static constexpr nsecs_t MIN_BLUETOOTH_TIMESTAMP_DELTA = ms2ns(4);
+// Maximum smoothing time delta so that we don't generate events too far into the future.
+constexpr static nsecs_t MAX_BLUETOOTH_SMOOTHING_DELTA = ms2ns(32);
 
 template<typename T>
 static inline T min(T a, T b) {
@@ -132,12 +112,12 @@ const std::unordered_map<std::string, LightColor> LIGHT_COLORS = {{"red", LightC
                                                                   {"green", LightColor::GREEN},
                                                                   {"blue", LightColor::BLUE}};
 
-static int32_t getInverseRotation(int32_t orientation) {
+static ui::Rotation getInverseRotation(ui::Rotation orientation) {
     switch (orientation) {
-        case DISPLAY_ORIENTATION_90:
-            return DISPLAY_ORIENTATION_270;
-        case DISPLAY_ORIENTATION_270:
-            return DISPLAY_ORIENTATION_90;
+        case ui::ROTATION_90:
+            return ui::ROTATION_270;
+        case ui::ROTATION_270:
+            return ui::ROTATION_90;
         default:
             return orientation;
     }
@@ -161,921 +141,15 @@ static void assertAxisNotPresent(MultiTouchInputMapper& mapper, int axis) {
     ASSERT_EQ(nullptr, motionRange);
 }
 
-// --- FakePointerController ---
-
-class FakePointerController : public PointerControllerInterface {
-    bool mHaveBounds;
-    float mMinX, mMinY, mMaxX, mMaxY;
-    float mX, mY;
-    int32_t mButtonState;
-    int32_t mDisplayId;
-
-public:
-    FakePointerController() :
-        mHaveBounds(false), mMinX(0), mMinY(0), mMaxX(0), mMaxY(0), mX(0), mY(0),
-        mButtonState(0), mDisplayId(ADISPLAY_ID_DEFAULT) {
-    }
-
-    virtual ~FakePointerController() {}
-
-    void setBounds(float minX, float minY, float maxX, float maxY) {
-        mHaveBounds = true;
-        mMinX = minX;
-        mMinY = minY;
-        mMaxX = maxX;
-        mMaxY = maxY;
-    }
-
-    void setPosition(float x, float y) override {
-        mX = x;
-        mY = y;
-    }
-
-    void setButtonState(int32_t buttonState) override { mButtonState = buttonState; }
-
-    int32_t getButtonState() const override { return mButtonState; }
-
-    void getPosition(float* outX, float* outY) const override {
-        *outX = mX;
-        *outY = mY;
-    }
-
-    int32_t getDisplayId() const override { return mDisplayId; }
-
-    void setDisplayViewport(const DisplayViewport& viewport) override {
-        mDisplayId = viewport.displayId;
-    }
-
-    const std::map<int32_t, std::vector<int32_t>>& getSpots() {
-        return mSpotsByDisplay;
-    }
-
-private:
-    bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const override {
-        *outMinX = mMinX;
-        *outMinY = mMinY;
-        *outMaxX = mMaxX;
-        *outMaxY = mMaxY;
-        return mHaveBounds;
-    }
-
-    void move(float deltaX, float deltaY) override {
-        mX += deltaX;
-        if (mX < mMinX) mX = mMinX;
-        if (mX > mMaxX) mX = mMaxX;
-        mY += deltaY;
-        if (mY < mMinY) mY = mMinY;
-        if (mY > mMaxY) mY = mMaxY;
-    }
-
-    void fade(Transition) override {}
-
-    void unfade(Transition) override {}
-
-    void setPresentation(Presentation) override {}
-
-    void setSpots(const PointerCoords*, const uint32_t*, BitSet32 spotIdBits,
-                  int32_t displayId) override {
-        std::vector<int32_t> newSpots;
-        // Add spots for fingers that are down.
-        for (BitSet32 idBits(spotIdBits); !idBits.isEmpty(); ) {
-            uint32_t id = idBits.clearFirstMarkedBit();
-            newSpots.push_back(id);
-        }
-
-        mSpotsByDisplay[displayId] = newSpots;
-    }
-
-    void clearSpots() override { mSpotsByDisplay.clear(); }
-
-    std::map<int32_t, std::vector<int32_t>> mSpotsByDisplay;
-};
-
-
-// --- FakeInputReaderPolicy ---
-
-class FakeInputReaderPolicy : public InputReaderPolicyInterface {
-    std::mutex mLock;
-    std::condition_variable mDevicesChangedCondition;
-
-    InputReaderConfiguration mConfig;
-    std::shared_ptr<FakePointerController> mPointerController;
-    std::vector<InputDeviceInfo> mInputDevices GUARDED_BY(mLock);
-    bool mInputDevicesChanged GUARDED_BY(mLock){false};
-    std::vector<DisplayViewport> mViewports;
-    TouchAffineTransformation transform;
-
-protected:
-    virtual ~FakeInputReaderPolicy() {}
-
-public:
-    FakeInputReaderPolicy() {
-    }
-
-    void assertInputDevicesChanged() {
-        waitForInputDevices([](bool devicesChanged) {
-            if (!devicesChanged) {
-                FAIL() << "Timed out waiting for notifyInputDevicesChanged() to be called.";
-            }
-        });
-    }
-
-    void assertInputDevicesNotChanged() {
-        waitForInputDevices([](bool devicesChanged) {
-            if (devicesChanged) {
-                FAIL() << "Expected notifyInputDevicesChanged() to not be called.";
-            }
-        });
-    }
-
-    virtual void clearViewports() {
-        mViewports.clear();
-        mConfig.setDisplayViewports(mViewports);
-    }
-
-    std::optional<DisplayViewport> getDisplayViewportByUniqueId(const std::string& uniqueId) const {
-        return mConfig.getDisplayViewportByUniqueId(uniqueId);
-    }
-    std::optional<DisplayViewport> getDisplayViewportByType(ViewportType type) const {
-        return mConfig.getDisplayViewportByType(type);
-    }
-
-    std::optional<DisplayViewport> getDisplayViewportByPort(uint8_t displayPort) const {
-        return mConfig.getDisplayViewportByPort(displayPort);
-    }
-
-    void addDisplayViewport(DisplayViewport viewport) {
-        mViewports.push_back(std::move(viewport));
-        mConfig.setDisplayViewports(mViewports);
-    }
-
-    void addDisplayViewport(int32_t displayId, int32_t width, int32_t height, int32_t orientation,
-                            bool isActive, const std::string& uniqueId,
-                            std::optional<uint8_t> physicalPort, ViewportType type) {
-        const bool isRotated =
-                (orientation == DISPLAY_ORIENTATION_90 || orientation == DISPLAY_ORIENTATION_270);
-        DisplayViewport v;
-        v.displayId = displayId;
-        v.orientation = orientation;
-        v.logicalLeft = 0;
-        v.logicalTop = 0;
-        v.logicalRight = isRotated ? height : width;
-        v.logicalBottom = isRotated ? width : height;
-        v.physicalLeft = 0;
-        v.physicalTop = 0;
-        v.physicalRight = isRotated ? height : width;
-        v.physicalBottom = isRotated ? width : height;
-        v.deviceWidth = isRotated ? height : width;
-        v.deviceHeight = isRotated ? width : height;
-        v.isActive = isActive;
-        v.uniqueId = uniqueId;
-        v.physicalPort = physicalPort;
-        v.type = type;
-
-        addDisplayViewport(v);
-    }
-
-    bool updateViewport(const DisplayViewport& viewport) {
-        size_t count = mViewports.size();
-        for (size_t i = 0; i < count; i++) {
-            const DisplayViewport& currentViewport = mViewports[i];
-            if (currentViewport.displayId == viewport.displayId) {
-                mViewports[i] = viewport;
-                mConfig.setDisplayViewports(mViewports);
-                return true;
-            }
-        }
-        // no viewport found.
-        return false;
-    }
-
-    void addExcludedDeviceName(const std::string& deviceName) {
-        mConfig.excludedDeviceNames.push_back(deviceName);
-    }
-
-    void addInputPortAssociation(const std::string& inputPort, uint8_t displayPort) {
-        mConfig.portAssociations.insert({inputPort, displayPort});
-    }
-
-    void addInputUniqueIdAssociation(const std::string& inputUniqueId,
-                                     const std::string& displayUniqueId) {
-        mConfig.uniqueIdAssociations.insert({inputUniqueId, displayUniqueId});
-    }
-
-    void addDisabledDevice(int32_t deviceId) { mConfig.disabledDevices.insert(deviceId); }
-
-    void removeDisabledDevice(int32_t deviceId) { mConfig.disabledDevices.erase(deviceId); }
-
-    void setPointerController(std::shared_ptr<FakePointerController> controller) {
-        mPointerController = std::move(controller);
-    }
-
-    const InputReaderConfiguration* getReaderConfiguration() const {
-        return &mConfig;
-    }
-
-    const std::vector<InputDeviceInfo>& getInputDevices() const {
-        return mInputDevices;
-    }
-
-    TouchAffineTransformation getTouchAffineTransformation(const std::string& inputDeviceDescriptor,
-            int32_t surfaceRotation) {
-        return transform;
-    }
-
-    void setTouchAffineTransformation(const TouchAffineTransformation t) {
-        transform = t;
-    }
-
-    PointerCaptureRequest setPointerCapture(bool enabled) {
-        mConfig.pointerCaptureRequest = {enabled, mNextPointerCaptureSequenceNumber++};
-        return mConfig.pointerCaptureRequest;
-    }
-
-    void setShowTouches(bool enabled) {
-        mConfig.showTouches = enabled;
-    }
-
-    void setDefaultPointerDisplayId(int32_t pointerDisplayId) {
-        mConfig.defaultPointerDisplayId = pointerDisplayId;
-    }
-
-    float getPointerGestureMovementSpeedRatio() { return mConfig.pointerGestureMovementSpeedRatio; }
-
-    void setVelocityControlParams(const VelocityControlParameters& params) {
-        mConfig.pointerVelocityControlParameters = params;
-        mConfig.wheelVelocityControlParameters = params;
-    }
-
-private:
-    uint32_t mNextPointerCaptureSequenceNumber = 0;
-
-    void getReaderConfiguration(InputReaderConfiguration* outConfig) override {
-        *outConfig = mConfig;
-    }
-
-    std::shared_ptr<PointerControllerInterface> obtainPointerController(
-            int32_t /*deviceId*/) override {
-        return mPointerController;
-    }
-
-    void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) override {
-        std::scoped_lock<std::mutex> lock(mLock);
-        mInputDevices = inputDevices;
-        mInputDevicesChanged = true;
-        mDevicesChangedCondition.notify_all();
-    }
-
-    std::shared_ptr<KeyCharacterMap> getKeyboardLayoutOverlay(
-            const InputDeviceIdentifier&) override {
-        return nullptr;
-    }
-
-    std::string getDeviceAlias(const InputDeviceIdentifier&) override { return ""; }
-
-    void waitForInputDevices(std::function<void(bool)> processDevicesChanged) {
-        std::unique_lock<std::mutex> lock(mLock);
-        base::ScopedLockAssertion assumeLocked(mLock);
-
-        const bool devicesChanged =
-                mDevicesChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
-                    return mInputDevicesChanged;
-                });
-        ASSERT_NO_FATAL_FAILURE(processDevicesChanged(devicesChanged));
-        mInputDevicesChanged = false;
-    }
-};
-
-// --- FakeEventHub ---
-
-class FakeEventHub : public EventHubInterface {
-    struct KeyInfo {
-        int32_t keyCode;
-        uint32_t flags;
-    };
-
-    struct SensorInfo {
-        InputDeviceSensorType sensorType;
-        int32_t sensorDataIndex;
-    };
-
-    struct Device {
-        InputDeviceIdentifier identifier;
-        ftl::Flags<InputDeviceClass> classes;
-        PropertyMap configuration;
-        KeyedVector<int, RawAbsoluteAxisInfo> absoluteAxes;
-        KeyedVector<int, bool> relativeAxes;
-        KeyedVector<int32_t, int32_t> keyCodeStates;
-        KeyedVector<int32_t, int32_t> scanCodeStates;
-        KeyedVector<int32_t, int32_t> switchStates;
-        KeyedVector<int32_t, int32_t> absoluteAxisValue;
-        KeyedVector<int32_t, KeyInfo> keysByScanCode;
-        KeyedVector<int32_t, KeyInfo> keysByUsageCode;
-        KeyedVector<int32_t, bool> leds;
-        // fake mapping which would normally come from keyCharacterMap
-        std::unordered_map<int32_t, int32_t> keyCodeMapping;
-        std::unordered_map<int32_t, SensorInfo> sensorsByAbsCode;
-        BitArray<MSC_MAX> mscBitmask;
-        std::vector<VirtualKeyDefinition> virtualKeys;
-        bool enabled;
-
-        status_t enable() {
-            enabled = true;
-            return OK;
-        }
-
-        status_t disable() {
-            enabled = false;
-            return OK;
-        }
-
-        explicit Device(ftl::Flags<InputDeviceClass> classes) : classes(classes), enabled(true) {}
-    };
-
-    std::mutex mLock;
-    std::condition_variable mEventsCondition;
-
-    KeyedVector<int32_t, Device*> mDevices;
-    std::vector<std::string> mExcludedDevices;
-    std::vector<RawEvent> mEvents GUARDED_BY(mLock);
-    std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> mVideoFrames;
-    std::vector<int32_t> mVibrators = {0, 1};
-    std::unordered_map<int32_t, RawLightInfo> mRawLightInfos;
-    // Simulates a device light brightness, from light id to light brightness.
-    std::unordered_map<int32_t /* lightId */, int32_t /* brightness*/> mLightBrightness;
-    // Simulates a device light intensities, from light id to light intensities map.
-    std::unordered_map<int32_t /* lightId */, std::unordered_map<LightColor, int32_t>>
-            mLightIntensities;
-
-public:
-    virtual ~FakeEventHub() {
-        for (size_t i = 0; i < mDevices.size(); i++) {
-            delete mDevices.valueAt(i);
-        }
-    }
-
-    FakeEventHub() { }
-
-    void addDevice(int32_t deviceId, const std::string& name,
-                   ftl::Flags<InputDeviceClass> classes) {
-        Device* device = new Device(classes);
-        device->identifier.name = name;
-        mDevices.add(deviceId, device);
-
-        enqueueEvent(ARBITRARY_TIME, READ_TIME, deviceId, EventHubInterface::DEVICE_ADDED, 0, 0);
-    }
-
-    void removeDevice(int32_t deviceId) {
-        delete mDevices.valueFor(deviceId);
-        mDevices.removeItem(deviceId);
-
-        enqueueEvent(ARBITRARY_TIME, READ_TIME, deviceId, EventHubInterface::DEVICE_REMOVED, 0, 0);
-    }
-
-    bool isDeviceEnabled(int32_t deviceId) {
-        Device* device = getDevice(deviceId);
-        if (device == nullptr) {
-            ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
-            return false;
-        }
-        return device->enabled;
-    }
-
-    status_t enableDevice(int32_t deviceId) {
-        status_t result;
-        Device* device = getDevice(deviceId);
-        if (device == nullptr) {
-            ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
-            return BAD_VALUE;
-        }
-        if (device->enabled) {
-            ALOGW("Duplicate call to %s, device %" PRId32 " already enabled", __func__, deviceId);
-            return OK;
-        }
-        result = device->enable();
-        return result;
-    }
-
-    status_t disableDevice(int32_t deviceId) {
-        Device* device = getDevice(deviceId);
-        if (device == nullptr) {
-            ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
-            return BAD_VALUE;
-        }
-        if (!device->enabled) {
-            ALOGW("Duplicate call to %s, device %" PRId32 " already disabled", __func__, deviceId);
-            return OK;
-        }
-        return device->disable();
-    }
-
-    void finishDeviceScan() {
-        enqueueEvent(ARBITRARY_TIME, READ_TIME, 0, EventHubInterface::FINISHED_DEVICE_SCAN, 0, 0);
-    }
-
-    void addConfigurationProperty(int32_t deviceId, const String8& key, const String8& value) {
-        Device* device = getDevice(deviceId);
-        device->configuration.addProperty(key, value);
-    }
-
-    void addConfigurationMap(int32_t deviceId, const PropertyMap* configuration) {
-        Device* device = getDevice(deviceId);
-        device->configuration.addAll(configuration);
-    }
-
-    void addAbsoluteAxis(int32_t deviceId, int axis,
-            int32_t minValue, int32_t maxValue, int flat, int fuzz, int resolution = 0) {
-        Device* device = getDevice(deviceId);
-
-        RawAbsoluteAxisInfo info;
-        info.valid = true;
-        info.minValue = minValue;
-        info.maxValue = maxValue;
-        info.flat = flat;
-        info.fuzz = fuzz;
-        info.resolution = resolution;
-        device->absoluteAxes.add(axis, info);
-    }
-
-    void addRelativeAxis(int32_t deviceId, int32_t axis) {
-        Device* device = getDevice(deviceId);
-        device->relativeAxes.add(axis, true);
-    }
-
-    void setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state) {
-        Device* device = getDevice(deviceId);
-        device->keyCodeStates.replaceValueFor(keyCode, state);
-    }
-
-    void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state) {
-        Device* device = getDevice(deviceId);
-        device->scanCodeStates.replaceValueFor(scanCode, state);
-    }
-
-    void setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state) {
-        Device* device = getDevice(deviceId);
-        device->switchStates.replaceValueFor(switchCode, state);
-    }
-
-    void setAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t value) {
-        Device* device = getDevice(deviceId);
-        device->absoluteAxisValue.replaceValueFor(axis, value);
-    }
-
-    void addKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
-            int32_t keyCode, uint32_t flags) {
-        Device* device = getDevice(deviceId);
-        KeyInfo info;
-        info.keyCode = keyCode;
-        info.flags = flags;
-        if (scanCode) {
-            device->keysByScanCode.add(scanCode, info);
-        }
-        if (usageCode) {
-            device->keysByUsageCode.add(usageCode, info);
-        }
-    }
-
-    void addKeyCodeMapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) {
-        Device* device = getDevice(deviceId);
-        device->keyCodeMapping.insert_or_assign(fromKeyCode, toKeyCode);
-    }
-
-    void addLed(int32_t deviceId, int32_t led, bool initialState) {
-        Device* device = getDevice(deviceId);
-        device->leds.add(led, initialState);
-    }
-
-    void addSensorAxis(int32_t deviceId, int32_t absCode, InputDeviceSensorType sensorType,
-                       int32_t sensorDataIndex) {
-        Device* device = getDevice(deviceId);
-        SensorInfo info;
-        info.sensorType = sensorType;
-        info.sensorDataIndex = sensorDataIndex;
-        device->sensorsByAbsCode.emplace(absCode, info);
-    }
-
-    void setMscEvent(int32_t deviceId, int32_t mscEvent) {
-        Device* device = getDevice(deviceId);
-        typename BitArray<MSC_MAX>::Buffer buffer;
-        buffer[mscEvent / 32] = 1 << mscEvent % 32;
-        device->mscBitmask.loadFromBuffer(buffer);
-    }
-
-    void addRawLightInfo(int32_t rawId, RawLightInfo&& info) {
-        mRawLightInfos.emplace(rawId, std::move(info));
-    }
-
-    void fakeLightBrightness(int32_t rawId, int32_t brightness) {
-        mLightBrightness.emplace(rawId, brightness);
-    }
-
-    void fakeLightIntensities(int32_t rawId,
-                              const std::unordered_map<LightColor, int32_t> intensities) {
-        mLightIntensities.emplace(rawId, std::move(intensities));
-    }
-
-    bool getLedState(int32_t deviceId, int32_t led) {
-        Device* device = getDevice(deviceId);
-        return device->leds.valueFor(led);
-    }
-
-    std::vector<std::string>& getExcludedDevices() {
-        return mExcludedDevices;
-    }
-
-    void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition) {
-        Device* device = getDevice(deviceId);
-        device->virtualKeys.push_back(definition);
-    }
-
-    void enqueueEvent(nsecs_t when, nsecs_t readTime, int32_t deviceId, int32_t type, int32_t code,
-                      int32_t value) {
-        std::scoped_lock<std::mutex> lock(mLock);
-        RawEvent event;
-        event.when = when;
-        event.readTime = readTime;
-        event.deviceId = deviceId;
-        event.type = type;
-        event.code = code;
-        event.value = value;
-        mEvents.push_back(event);
-
-        if (type == EV_ABS) {
-            setAbsoluteAxisValue(deviceId, code, value);
-        }
-    }
-
-    void setVideoFrames(std::unordered_map<int32_t /*deviceId*/,
-            std::vector<TouchVideoFrame>> videoFrames) {
-        mVideoFrames = std::move(videoFrames);
-    }
-
-    void assertQueueIsEmpty() {
-        std::unique_lock<std::mutex> lock(mLock);
-        base::ScopedLockAssertion assumeLocked(mLock);
-        const bool queueIsEmpty =
-                mEventsCondition.wait_for(lock, WAIT_TIMEOUT,
-                                          [this]() REQUIRES(mLock) { return mEvents.size() == 0; });
-        if (!queueIsEmpty) {
-            FAIL() << "Timed out waiting for EventHub queue to be emptied.";
-        }
-    }
-
-private:
-    Device* getDevice(int32_t deviceId) const {
-        ssize_t index = mDevices.indexOfKey(deviceId);
-        return index >= 0 ? mDevices.valueAt(index) : nullptr;
-    }
-
-    ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override {
-        Device* device = getDevice(deviceId);
-        return device ? device->classes : ftl::Flags<InputDeviceClass>(0);
-    }
-
-    InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override {
-        Device* device = getDevice(deviceId);
-        return device ? device->identifier : InputDeviceIdentifier();
-    }
-
-    int32_t getDeviceControllerNumber(int32_t) const override { return 0; }
-
-    void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            *outConfiguration = device->configuration;
-        }
-    }
-
-    status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
-                                 RawAbsoluteAxisInfo* outAxisInfo) const override {
-        Device* device = getDevice(deviceId);
-        if (device && device->enabled) {
-            ssize_t index = device->absoluteAxes.indexOfKey(axis);
-            if (index >= 0) {
-                *outAxisInfo = device->absoluteAxes.valueAt(index);
-                return OK;
-            }
-        }
-        outAxisInfo->clear();
-        return -1;
-    }
-
-    bool hasRelativeAxis(int32_t deviceId, int axis) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            return device->relativeAxes.indexOfKey(axis) >= 0;
-        }
-        return false;
-    }
-
-    bool hasInputProperty(int32_t, int) const override { return false; }
-
-    bool hasMscEvent(int32_t deviceId, int mscEvent) const override final {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            return mscEvent >= 0 && mscEvent <= MSC_MAX ? device->mscBitmask.test(mscEvent) : false;
-        }
-        return false;
-    }
-
-    status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
-                    int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            const KeyInfo* key = getKey(device, scanCode, usageCode);
-            if (key) {
-                if (outKeycode) {
-                    *outKeycode = key->keyCode;
-                }
-                if (outFlags) {
-                    *outFlags = key->flags;
-                }
-                if (outMetaState) {
-                    *outMetaState = metaState;
-                }
-                return OK;
-            }
-        }
-        return NAME_NOT_FOUND;
-    }
-
-    const KeyInfo* getKey(Device* device, int32_t scanCode, int32_t usageCode) const {
-        if (usageCode) {
-            ssize_t index = device->keysByUsageCode.indexOfKey(usageCode);
-            if (index >= 0) {
-                return &device->keysByUsageCode.valueAt(index);
-            }
-        }
-        if (scanCode) {
-            ssize_t index = device->keysByScanCode.indexOfKey(scanCode);
-            if (index >= 0) {
-                return &device->keysByScanCode.valueAt(index);
-            }
-        }
-        return nullptr;
-    }
-
-    status_t mapAxis(int32_t, int32_t, AxisInfo*) const override { return NAME_NOT_FOUND; }
-
-    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
-                                                                      int32_t absCode) {
-        Device* device = getDevice(deviceId);
-        if (!device) {
-            return Errorf("Sensor device not found.");
-        }
-        auto it = device->sensorsByAbsCode.find(absCode);
-        if (it == device->sensorsByAbsCode.end()) {
-            return Errorf("Sensor map not found.");
-        }
-        const SensorInfo& info = it->second;
-        return std::make_pair(info.sensorType, info.sensorDataIndex);
-    }
-
-    void setExcludedDevices(const std::vector<std::string>& devices) override {
-        mExcludedDevices = devices;
-    }
-
-    size_t getEvents(int, RawEvent* buffer, size_t bufferSize) override {
-        std::scoped_lock lock(mLock);
-
-        const size_t filledSize = std::min(mEvents.size(), bufferSize);
-        std::copy(mEvents.begin(), mEvents.begin() + filledSize, buffer);
-
-        mEvents.erase(mEvents.begin(), mEvents.begin() + filledSize);
-        mEventsCondition.notify_all();
-        return filledSize;
-    }
-
-    std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override {
-        auto it = mVideoFrames.find(deviceId);
-        if (it != mVideoFrames.end()) {
-            std::vector<TouchVideoFrame> frames = std::move(it->second);
-            mVideoFrames.erase(deviceId);
-            return frames;
-        }
-        return {};
-    }
-
-    int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->scanCodeStates.indexOfKey(scanCode);
-            if (index >= 0) {
-                return device->scanCodeStates.valueAt(index);
-            }
-        }
-        return AKEY_STATE_UNKNOWN;
-    }
-
-    int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->keyCodeStates.indexOfKey(keyCode);
-            if (index >= 0) {
-                return device->keyCodeStates.valueAt(index);
-            }
-        }
-        return AKEY_STATE_UNKNOWN;
-    }
-
-    int32_t getSwitchState(int32_t deviceId, int32_t sw) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->switchStates.indexOfKey(sw);
-            if (index >= 0) {
-                return device->switchStates.valueAt(index);
-            }
-        }
-        return AKEY_STATE_UNKNOWN;
-    }
-
-    status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
-                                  int32_t* outValue) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->absoluteAxisValue.indexOfKey(axis);
-            if (index >= 0) {
-                *outValue = device->absoluteAxisValue.valueAt(index);
-                return OK;
-            }
-        }
-        *outValue = 0;
-        return -1;
-    }
-
-    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override {
-        Device* device = getDevice(deviceId);
-        if (!device) {
-            return AKEYCODE_UNKNOWN;
-        }
-        auto it = device->keyCodeMapping.find(locationKeyCode);
-        return it != device->keyCodeMapping.end() ? it->second : locationKeyCode;
-    }
-
-    // Return true if the device has non-empty key layout.
-    bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
-                               uint8_t* outFlags) const override {
-        bool result = false;
-        Device* device = getDevice(deviceId);
-        if (device) {
-            result = device->keysByScanCode.size() > 0 || device->keysByUsageCode.size() > 0;
-            for (size_t i = 0; i < numCodes; i++) {
-                for (size_t j = 0; j < device->keysByScanCode.size(); j++) {
-                    if (keyCodes[i] == device->keysByScanCode.valueAt(j).keyCode) {
-                        outFlags[i] = 1;
-                    }
-                }
-                for (size_t j = 0; j < device->keysByUsageCode.size(); j++) {
-                    if (keyCodes[i] == device->keysByUsageCode.valueAt(j).keyCode) {
-                        outFlags[i] = 1;
-                    }
-                }
-            }
-        }
-        return result;
-    }
-
-    bool hasScanCode(int32_t deviceId, int32_t scanCode) const override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->keysByScanCode.indexOfKey(scanCode);
-            return index >= 0;
-        }
-        return false;
-    }
-
-    bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override {
-        Device* device = getDevice(deviceId);
-        if (!device) {
-            return false;
-        }
-        for (size_t i = 0; i < device->keysByScanCode.size(); i++) {
-            if (keyCode == device->keysByScanCode.valueAt(i).keyCode) {
-                return true;
-            }
-        }
-        for (size_t j = 0; j < device->keysByUsageCode.size(); j++) {
-            if (keyCode == device->keysByUsageCode.valueAt(j).keyCode) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    bool hasLed(int32_t deviceId, int32_t led) const override {
-        Device* device = getDevice(deviceId);
-        return device && device->leds.indexOfKey(led) >= 0;
-    }
-
-    void setLedState(int32_t deviceId, int32_t led, bool on) override {
-        Device* device = getDevice(deviceId);
-        if (device) {
-            ssize_t index = device->leds.indexOfKey(led);
-            if (index >= 0) {
-                device->leds.replaceValueAt(led, on);
-            } else {
-                ADD_FAILURE()
-                        << "Attempted to set the state of an LED that the EventHub declared "
-                        "was not present.  led=" << led;
-            }
-        }
-    }
-
-    void getVirtualKeyDefinitions(
-            int32_t deviceId, std::vector<VirtualKeyDefinition>& outVirtualKeys) const override {
-        outVirtualKeys.clear();
-
-        Device* device = getDevice(deviceId);
-        if (device) {
-            outVirtualKeys = device->virtualKeys;
-        }
-    }
-
-    const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t) const override {
-        return nullptr;
-    }
-
-    bool setKeyboardLayoutOverlay(int32_t, std::shared_ptr<KeyCharacterMap>) override {
-        return false;
-    }
-
-    void vibrate(int32_t, const VibrationElement&) override {}
-
-    void cancelVibrate(int32_t) override {}
-
-    std::vector<int32_t> getVibratorIds(int32_t deviceId) override { return mVibrators; };
-
-    std::optional<int32_t> getBatteryCapacity(int32_t, int32_t) const override {
-        return BATTERY_CAPACITY;
-    }
-
-    std::optional<int32_t> getBatteryStatus(int32_t, int32_t) const override {
-        return BATTERY_STATUS;
+[[maybe_unused]] static void dumpReader(InputReader& reader) {
+    std::string dump;
+    reader.dump(dump);
+    std::istringstream iss(dump);
+    for (std::string line; std::getline(iss, line);) {
+        ALOGE("%s", line.c_str());
+        std::this_thread::sleep_for(std::chrono::milliseconds(1));
     }
-
-    const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) override {
-        return {DEFAULT_BATTERY};
-    }
-
-    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId, int32_t batteryId) {
-        return std::nullopt;
-    }
-
-    const std::vector<int32_t> getRawLightIds(int32_t deviceId) override {
-        std::vector<int32_t> ids;
-        for (const auto& [rawId, info] : mRawLightInfos) {
-            ids.push_back(rawId);
-        }
-        return ids;
-    }
-
-    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) override {
-        auto it = mRawLightInfos.find(lightId);
-        if (it == mRawLightInfos.end()) {
-            return std::nullopt;
-        }
-        return it->second;
-    }
-
-    void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override {
-        mLightBrightness.emplace(lightId, brightness);
-    }
-
-    void setLightIntensities(int32_t deviceId, int32_t lightId,
-                             std::unordered_map<LightColor, int32_t> intensities) override {
-        mLightIntensities.emplace(lightId, intensities);
-    };
-
-    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) override {
-        auto lightIt = mLightBrightness.find(lightId);
-        if (lightIt == mLightBrightness.end()) {
-            return std::nullopt;
-        }
-        return lightIt->second;
-    }
-
-    std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) override {
-        auto lightIt = mLightIntensities.find(lightId);
-        if (lightIt == mLightIntensities.end()) {
-            return std::nullopt;
-        }
-        return lightIt->second;
-    };
-
-    virtual bool isExternal(int32_t) const {
-        return false;
-    }
-
-    void dump(std::string&) override {}
-
-    void monitor() override {}
-
-    void requestReopenDevices() override {}
-
-    void wake() override {}
-};
+}
 
 // --- FakeInputMapper ---
 
@@ -1191,7 +265,8 @@ private:
         }
     }
 
-    void configure(nsecs_t, const InputReaderConfiguration* config, uint32_t changes) override {
+    std::list<NotifyArgs> configure(nsecs_t, const InputReaderConfiguration* config,
+                                    uint32_t changes) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mConfigureWasCalled = true;
 
@@ -1202,19 +277,22 @@ private:
         }
 
         mStateChangedCondition.notify_all();
+        return {};
     }
 
-    void reset(nsecs_t) override {
+    std::list<NotifyArgs> reset(nsecs_t) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mResetWasCalled = true;
         mStateChangedCondition.notify_all();
+        return {};
     }
 
-    void process(const RawEvent* rawEvent) override {
+    std::list<NotifyArgs> process(const RawEvent* rawEvent) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mLastEvent = *rawEvent;
         mProcessWasCalled = true;
         mStateChangedCondition.notify_all();
+        return {};
     }
 
     int32_t getKeyCodeState(uint32_t, int32_t keyCode) override {
@@ -1238,9 +316,9 @@ private:
     }
 
     // Return true if the device has non-empty key layout.
-    bool markSupportedKeyCodes(uint32_t, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) override {
-        for (size_t i = 0; i < numCodes; i++) {
+        for (size_t i = 0; i < keyCodes.size(); i++) {
             for (size_t j = 0; j < mSupportedKeyCodes.size(); j++) {
                 if (keyCodes[i] == mSupportedKeyCodes[j]) {
                     outFlags[i] = 1;
@@ -1266,98 +344,12 @@ private:
     }
 };
 
-
-// --- InstrumentedInputReader ---
-
-class InstrumentedInputReader : public InputReader {
-    std::queue<std::shared_ptr<InputDevice>> mNextDevices;
-
-public:
-    InstrumentedInputReader(std::shared_ptr<EventHubInterface> eventHub,
-                            const sp<InputReaderPolicyInterface>& policy,
-                            InputListenerInterface& listener)
-          : InputReader(eventHub, policy, listener), mFakeContext(this) {}
-
-    virtual ~InstrumentedInputReader() {}
-
-    void pushNextDevice(std::shared_ptr<InputDevice> device) { mNextDevices.push(device); }
-
-    std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
-                                           const std::string& location = "") {
-        InputDeviceIdentifier identifier;
-        identifier.name = name;
-        identifier.location = location;
-        int32_t generation = deviceId + 1;
-        return std::make_shared<InputDevice>(&mFakeContext, deviceId, generation, identifier);
-    }
-
-    // Make the protected loopOnce method accessible to tests.
-    using InputReader::loopOnce;
-
-protected:
-    virtual std::shared_ptr<InputDevice> createDeviceLocked(int32_t eventHubId,
-                                                            const InputDeviceIdentifier& identifier)
-            REQUIRES(mLock) {
-        if (!mNextDevices.empty()) {
-            std::shared_ptr<InputDevice> device(std::move(mNextDevices.front()));
-            mNextDevices.pop();
-            return device;
-        }
-        return InputReader::createDeviceLocked(eventHubId, identifier);
-    }
-
-    // --- FakeInputReaderContext ---
-    class FakeInputReaderContext : public ContextImpl {
-        int32_t mGlobalMetaState;
-        bool mUpdateGlobalMetaStateWasCalled;
-        int32_t mGeneration;
-
-    public:
-        FakeInputReaderContext(InputReader* reader)
-              : ContextImpl(reader),
-                mGlobalMetaState(0),
-                mUpdateGlobalMetaStateWasCalled(false),
-                mGeneration(1) {}
-
-        virtual ~FakeInputReaderContext() {}
-
-        void assertUpdateGlobalMetaStateWasCalled() {
-            ASSERT_TRUE(mUpdateGlobalMetaStateWasCalled)
-                    << "Expected updateGlobalMetaState() to have been called.";
-            mUpdateGlobalMetaStateWasCalled = false;
-        }
-
-        void setGlobalMetaState(int32_t state) { mGlobalMetaState = state; }
-
-        uint32_t getGeneration() { return mGeneration; }
-
-        void updateGlobalMetaState() override {
-            mUpdateGlobalMetaStateWasCalled = true;
-            ContextImpl::updateGlobalMetaState();
-        }
-
-        int32_t getGlobalMetaState() override {
-            return mGlobalMetaState | ContextImpl::getGlobalMetaState();
-        }
-
-        int32_t bumpGeneration() override {
-            mGeneration = ContextImpl::bumpGeneration();
-            return mGeneration;
-        }
-    } mFakeContext;
-
-    friend class InputReaderTest;
-
-public:
-    FakeInputReaderContext* getContext() { return &mFakeContext; }
-};
-
 // --- InputReaderPolicyTest ---
 class InputReaderPolicyTest : public testing::Test {
 protected:
     sp<FakeInputReaderPolicy> mFakePolicy;
 
-    void SetUp() override { mFakePolicy = new FakeInputReaderPolicy(); }
+    void SetUp() override { mFakePolicy = sp<FakeInputReaderPolicy>::make(); }
     void TearDown() override { mFakePolicy.clear(); }
 };
 
@@ -1377,9 +369,8 @@ TEST_F(InputReaderPolicyTest, Viewports_GetCleared) {
     ASSERT_FALSE(internalViewport);
 
     // Add an internal viewport, then clear it
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId, NO_PORT,
-                                    ViewportType::INTERNAL);
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, uniqueId, NO_PORT, ViewportType::INTERNAL);
 
     // Check matching by uniqueId
     internalViewport = mFakePolicy->getDisplayViewportByUniqueId(uniqueId);
@@ -1408,21 +399,21 @@ TEST_F(InputReaderPolicyTest, Viewports_GetByType) {
     constexpr int32_t virtualDisplayId2 = 3;
 
     // Add an internal viewport
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, internalUniqueId,
-                                    NO_PORT, ViewportType::INTERNAL);
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, internalUniqueId, NO_PORT,
+                                    ViewportType::INTERNAL);
     // Add an external viewport
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, externalUniqueId,
-                                    NO_PORT, ViewportType::EXTERNAL);
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, externalUniqueId, NO_PORT,
+                                    ViewportType::EXTERNAL);
     // Add an virtual viewport
     mFakePolicy->addDisplayViewport(virtualDisplayId1, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, virtualUniqueId1,
-                                    NO_PORT, ViewportType::VIRTUAL);
+                                    ui::ROTATION_0, true /*isActive*/, virtualUniqueId1, NO_PORT,
+                                    ViewportType::VIRTUAL);
     // Add another virtual viewport
     mFakePolicy->addDisplayViewport(virtualDisplayId2, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, virtualUniqueId2,
-                                    NO_PORT, ViewportType::VIRTUAL);
+                                    ui::ROTATION_0, true /*isActive*/, virtualUniqueId2, NO_PORT,
+                                    ViewportType::VIRTUAL);
 
     // Check matching by type for internal
     std::optional<DisplayViewport> internalViewport =
@@ -1470,13 +461,11 @@ TEST_F(InputReaderPolicyTest, Viewports_TwoOfSameType) {
     for (const ViewportType& type : types) {
         mFakePolicy->clearViewports();
         // Add a viewport
-        mFakePolicy->addDisplayViewport(displayId1, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                        DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId1,
-                                        NO_PORT, type);
+        mFakePolicy->addDisplayViewport(displayId1, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                        true /*isActive*/, uniqueId1, NO_PORT, type);
         // Add another viewport
-        mFakePolicy->addDisplayViewport(displayId2, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                        DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId2,
-                                        NO_PORT, type);
+        mFakePolicy->addDisplayViewport(displayId2, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                        true /*isActive*/, uniqueId2, NO_PORT, type);
 
         // Check that correct display viewport was returned by comparing the display IDs.
         std::optional<DisplayViewport> viewport1 =
@@ -1516,10 +505,10 @@ TEST_F(InputReaderPolicyTest, Viewports_ByTypeReturnsDefaultForInternal) {
     // Add the default display first and ensure it gets returned.
     mFakePolicy->clearViewports();
     mFakePolicy->addDisplayViewport(ADISPLAY_ID_DEFAULT, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId1, NO_PORT,
+                                    ui::ROTATION_0, true /*isActive*/, uniqueId1, NO_PORT,
                                     ViewportType::INTERNAL);
     mFakePolicy->addDisplayViewport(nonDefaultDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId2, NO_PORT,
+                                    ui::ROTATION_0, true /*isActive*/, uniqueId2, NO_PORT,
                                     ViewportType::INTERNAL);
 
     std::optional<DisplayViewport> viewport =
@@ -1531,10 +520,10 @@ TEST_F(InputReaderPolicyTest, Viewports_ByTypeReturnsDefaultForInternal) {
     // Add the default display second to make sure order doesn't matter.
     mFakePolicy->clearViewports();
     mFakePolicy->addDisplayViewport(nonDefaultDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId2, NO_PORT,
+                                    ui::ROTATION_0, true /*isActive*/, uniqueId2, NO_PORT,
                                     ViewportType::INTERNAL);
     mFakePolicy->addDisplayViewport(ADISPLAY_ID_DEFAULT, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId1, NO_PORT,
+                                    ui::ROTATION_0, true /*isActive*/, uniqueId1, NO_PORT,
                                     ViewportType::INTERNAL);
 
     viewport = mFakePolicy->getDisplayViewportByType(ViewportType::INTERNAL);
@@ -1558,13 +547,11 @@ TEST_F(InputReaderPolicyTest, Viewports_GetByPort) {
 
     mFakePolicy->clearViewports();
     // Add a viewport that's associated with some display port that's not of interest.
-    mFakePolicy->addDisplayViewport(displayId1, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId1, hdmi3,
-                                    type);
+    mFakePolicy->addDisplayViewport(displayId1, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, uniqueId1, hdmi3, type);
     // Add another viewport, connected to HDMI1 port
-    mFakePolicy->addDisplayViewport(displayId2, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, uniqueId2, hdmi1,
-                                    type);
+    mFakePolicy->addDisplayViewport(displayId2, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, uniqueId2, hdmi1, type);
 
     // Check that correct display viewport was returned by comparing the display ports.
     std::optional<DisplayViewport> hdmi1Viewport = mFakePolicy->getDisplayViewportByPort(hdmi1);
@@ -1595,7 +582,7 @@ protected:
 
     void SetUp() override {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
 
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
@@ -1884,34 +871,37 @@ TEST_F(InputReaderTest, MarkSupportedKeyCodes_ForwardsRequestsToMappers) {
     mapper.addSupportedKeyCode(AKEYCODE_A);
     mapper.addSupportedKeyCode(AKEYCODE_B);
 
-    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2};
     uint8_t flags[4] = { 0, 0, 0, 1 };
 
-    ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, 4, keyCodes, flags))
+    ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, keyCodes, flags))
             << "Should return false when device id is >= 0 but unknown.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_FALSE(mReader->hasKeys(deviceId, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+    ASSERT_FALSE(mReader->hasKeys(deviceId, AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
             << "Should return false when device id is valid but the sources are not supported by "
                "the device.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_TRUE(mReader->hasKeys(deviceId, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4,
+    ASSERT_TRUE(mReader->hasKeys(deviceId, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL,
                                  keyCodes, flags))
             << "Should return value provided by mapper when device id is valid and the device "
                "supports some of the sources.";
     ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
-            << "Should return false when the device id is < 0 but the sources are not supported by any device.";
+    ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
+            << "Should return false when the device id is < 0 but the sources are not supported by "
+               "any device.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_TRUE(mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
-            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+    ASSERT_TRUE(
+            mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
+            << "Should return value provided by mapper when device id is < 0 and one of the "
+               "devices supports some of the sources.";
     ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
 }
 
@@ -2014,11 +1004,10 @@ TEST_F(InputReaderTest, Device_CanDispatchToDisplay) {
 
     // Add default and second display.
     mFakePolicy->clearViewports();
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, "local:0", NO_PORT,
-                                    ViewportType::INTERNAL);
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, "local:0", NO_PORT, ViewportType::INTERNAL);
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, "local:1", hdmi1,
+                                    ui::ROTATION_0, true /*isActive*/, "local:1", hdmi1,
                                     ViewportType::EXTERNAL);
     mReader->requestRefreshConfiguration(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     mReader->loopOnce();
@@ -2217,8 +1206,9 @@ TEST_F(InputReaderTest, BatteryGetCapacity) {
 
     ASSERT_NO_FATAL_FAILURE(addDevice(eventHubId, "fake", deviceClass, nullptr));
 
-    ASSERT_EQ(controller.getBatteryCapacity(DEFAULT_BATTERY), BATTERY_CAPACITY);
-    ASSERT_EQ(mReader->getBatteryCapacity(deviceId), BATTERY_CAPACITY);
+    ASSERT_EQ(controller.getBatteryCapacity(FakeEventHub::DEFAULT_BATTERY),
+              FakeEventHub::BATTERY_CAPACITY);
+    ASSERT_EQ(mReader->getBatteryCapacity(deviceId), FakeEventHub::BATTERY_CAPACITY);
 }
 
 TEST_F(InputReaderTest, BatteryGetStatus) {
@@ -2234,8 +1224,24 @@ TEST_F(InputReaderTest, BatteryGetStatus) {
 
     ASSERT_NO_FATAL_FAILURE(addDevice(eventHubId, "fake", deviceClass, nullptr));
 
-    ASSERT_EQ(controller.getBatteryStatus(DEFAULT_BATTERY), BATTERY_STATUS);
-    ASSERT_EQ(mReader->getBatteryStatus(deviceId), BATTERY_STATUS);
+    ASSERT_EQ(controller.getBatteryStatus(FakeEventHub::DEFAULT_BATTERY),
+              FakeEventHub::BATTERY_STATUS);
+    ASSERT_EQ(mReader->getBatteryStatus(deviceId), FakeEventHub::BATTERY_STATUS);
+}
+
+TEST_F(InputReaderTest, BatteryGetDevicePath) {
+    constexpr int32_t deviceId = END_RESERVED_ID + 1000;
+    ftl::Flags<InputDeviceClass> deviceClass =
+            InputDeviceClass::KEYBOARD | InputDeviceClass::BATTERY;
+    constexpr int32_t eventHubId = 1;
+    const char* DEVICE_LOCATION = "BLUETOOTH";
+    std::shared_ptr<InputDevice> device = mReader->newDevice(deviceId, "fake", DEVICE_LOCATION);
+    device->addController<FakePeripheralController>(eventHubId);
+    mReader->pushNextDevice(device);
+
+    ASSERT_NO_FATAL_FAILURE(addDevice(eventHubId, "fake", deviceClass, nullptr));
+
+    ASSERT_EQ(mReader->getBatteryDevicePath(deviceId), FakeEventHub::BATTERY_DEVPATH);
 }
 
 TEST_F(InputReaderTest, LightGetColor) {
@@ -2279,7 +1285,10 @@ protected:
     std::shared_ptr<FakePointerController> mFakePointerController;
 
     void SetUp() override {
-        mFakePolicy = new FakeInputReaderPolicy();
+#if !defined(__ANDROID__)
+        GTEST_SKIP();
+#endif
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakePointerController = std::make_shared<FakePointerController>();
         mFakePolicy->setPointerController(mFakePointerController);
         mTestListener = std::make_unique<TestInputListener>(2000ms /*eventHappenedTimeout*/,
@@ -2297,18 +1306,30 @@ protected:
     }
 
     void TearDown() override {
+#if !defined(__ANDROID__)
+        return;
+#endif
         ASSERT_EQ(mReader->stop(), OK);
         mReader.reset();
         mTestListener.reset();
         mFakePolicy.clear();
     }
+
+    std::optional<InputDeviceInfo> findDeviceByName(const std::string& name) {
+        const std::vector<InputDeviceInfo> inputDevices = mFakePolicy->getInputDevices();
+        const auto& it = std::find_if(inputDevices.begin(), inputDevices.end(),
+                                      [&name](const InputDeviceInfo& info) {
+                                          return info.getIdentifier().name == name;
+                                      });
+        return it != inputDevices.end() ? std::make_optional(*it) : std::nullopt;
+    }
 };
 
 TEST_F(InputReaderIntegrationTest, TestInvalidDevice) {
     // An invalid input device that is only used for this test.
     class InvalidUinputDevice : public UinputDevice {
     public:
-        InvalidUinputDevice() : UinputDevice("Invalid Device") {}
+        InvalidUinputDevice() : UinputDevice("Invalid Device", 99 /*productId*/) {}
 
     private:
         void configureDevice(int fd, uinput_user_dev* device) override {}
@@ -2337,18 +1358,11 @@ TEST_F(InputReaderIntegrationTest, AddNewDevice) {
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
     ASSERT_EQ(initialNumDevices + 1, mFakePolicy->getInputDevices().size());
 
-    // Find the test device by its name.
-    const std::vector<InputDeviceInfo> inputDevices = mFakePolicy->getInputDevices();
-    const auto& it =
-            std::find_if(inputDevices.begin(), inputDevices.end(),
-                         [&keyboard](const InputDeviceInfo& info) {
-                             return info.getIdentifier().name == keyboard->getName();
-                         });
-
-    ASSERT_NE(it, inputDevices.end());
-    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, it->getKeyboardType());
-    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, it->getSources());
-    ASSERT_EQ(0U, it->getMotionRanges().size());
+    const auto device = findDeviceByName(keyboard->getName());
+    ASSERT_TRUE(device.has_value());
+    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, device->getKeyboardType());
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, device->getSources());
+    ASSERT_EQ(0U, device->getMotionRanges().size());
 
     keyboard.reset();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
@@ -2383,6 +1397,41 @@ TEST_F(InputReaderIntegrationTest, SendsEventsToInputListener) {
     ASSERT_LE(keyArgs.eventTime, keyArgs.readTime);
 }
 
+TEST_F(InputReaderIntegrationTest, ExternalStylusesButtons) {
+    std::unique_ptr<UinputExternalStylus> stylus = createUinputDevice<UinputExternalStylus>();
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+
+    const auto device = findDeviceByName(stylus->getName());
+    ASSERT_TRUE(device.has_value());
+
+    // An external stylus with buttons should also be recognized as a keyboard.
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_STYLUS, device->getSources())
+            << "Unexpected source " << inputEventSourceToString(device->getSources()).c_str();
+    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, device->getKeyboardType());
+
+    const auto DOWN =
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD));
+    const auto UP = AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD));
+
+    stylus->pressAndReleaseKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+
+    stylus->pressAndReleaseKey(BTN_STYLUS2);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_SECONDARY))));
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_SECONDARY))));
+
+    stylus->pressAndReleaseKey(BTN_STYLUS3);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_TERTIARY))));
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+            AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_TERTIARY))));
+}
+
 /**
  * The Steam controller sends BTN_GEAR_DOWN and BTN_GEAR_UP for the two "paddle" buttons
  * on the back. In this test, we make sure that BTN_GEAR_DOWN / BTN_WHEEL and BTN_GEAR_UP
@@ -2405,25 +1454,31 @@ TEST_F(InputReaderIntegrationTest, SendsGearDownAndUpToInputListener) {
     ASSERT_EQ(BTN_GEAR_UP, keyArgs.scanCode);
 }
 
-// --- TouchProcessTest ---
+// --- TouchIntegrationTest ---
+
 class TouchIntegrationTest : public InputReaderIntegrationTest {
 protected:
     const std::string UNIQUE_ID = "local:0";
 
     void SetUp() override {
+#if !defined(__ANDROID__)
+        GTEST_SKIP();
+#endif
         InputReaderIntegrationTest::SetUp();
         // At least add an internal display.
-        setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                     DISPLAY_ORIENTATION_0, UNIQUE_ID, NO_PORT,
-                                     ViewportType::INTERNAL);
+        setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                     UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
 
         mDevice = createUinputDevice<UinputTouchScreen>(Rect(0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT));
         ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
         ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
+        const auto info = findDeviceByName(mDevice->getName());
+        ASSERT_TRUE(info);
+        mDeviceInfo = *info;
     }
 
     void setDisplayInfoAndReconfigure(int32_t displayId, int32_t width, int32_t height,
-                                      int32_t orientation, const std::string& uniqueId,
+                                      ui::Rotation orientation, const std::string& uniqueId,
                                       std::optional<uint8_t> physicalPort,
                                       ViewportType viewportType) {
         mFakePolicy->addDisplayViewport(displayId, width, height, orientation, true /*isActive*/,
@@ -2443,8 +1498,17 @@ protected:
     }
 
     std::unique_ptr<UinputTouchScreen> mDevice;
+    InputDeviceInfo mDeviceInfo;
 };
 
+TEST_F(TouchIntegrationTest, MultiTouchDeviceSource) {
+    // The UinputTouchScreen is an MT device that supports MT_TOOL_TYPE and also supports stylus
+    // buttons. It should show up as a touchscreen, stylus, and keyboard (for reporting button
+    // presses).
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD,
+              mDeviceInfo.getSources());
+}
+
 TEST_F(TouchIntegrationTest, InputEvent_ProcessSingleTouch) {
     NotifyMotionArgs args;
     const Point centerPoint = mDevice->getCenterPoint();
@@ -2659,6 +1723,466 @@ TEST_F(TouchIntegrationTest, InputEvent_ProcessPalm) {
     ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
 }
 
+TEST_F(TouchIntegrationTest, NotifiesPolicyWhenStylusGestureStarted) {
+    const Point centerPoint = mDevice->getCenterPoint();
+
+    // Send down with the pen tool selected. The policy should be notified of the stylus presence.
+    mDevice->sendSlot(FIRST_SLOT);
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_PEN);
+    mDevice->sendDown(centerPoint);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertStylusGestureNotified(mDeviceInfo.getId()));
+
+    // Release the stylus touch.
+    mDevice->sendUp();
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(
+            mTestListener->assertNotifyMotionWasCalled(WithMotionAction(AMOTION_EVENT_ACTION_UP)));
+
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertStylusGestureNotNotified());
+
+    // Touch down with the finger, without the pen tool selected. The policy is not notified.
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_FINGER);
+    mDevice->sendDown(centerPoint);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER))));
+
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertStylusGestureNotNotified());
+
+    mDevice->sendUp();
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(
+            mTestListener->assertNotifyMotionWasCalled(WithMotionAction(AMOTION_EVENT_ACTION_UP)));
+
+    // Send a move event with the stylus tool without BTN_TOUCH to generate a hover enter.
+    // The policy should be notified of the stylus presence.
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_PEN);
+    mDevice->sendMove(centerPoint);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertStylusGestureNotified(mDeviceInfo.getId()));
+}
+
+// --- StylusButtonIntegrationTest ---
+
+// Verify the behavior of button presses reported by various kinds of styluses, including buttons
+// reported by the touchscreen's device, by a fused external stylus, and by an un-fused external
+// stylus.
+template <typename UinputStylusDevice>
+class StylusButtonIntegrationTest : public TouchIntegrationTest {
+protected:
+    void SetUp() override {
+#if !defined(__ANDROID__)
+        GTEST_SKIP();
+#endif
+        TouchIntegrationTest::SetUp();
+        mTouchscreen = mDevice.get();
+        mTouchscreenInfo = mDeviceInfo;
+
+        setUpStylusDevice();
+    }
+
+    UinputStylusDevice* mStylus{nullptr};
+    InputDeviceInfo mStylusInfo{};
+
+    UinputTouchScreen* mTouchscreen{nullptr};
+    InputDeviceInfo mTouchscreenInfo{};
+
+private:
+    // When we are attempting to test stylus button events that are sent from the touchscreen,
+    // use the same Uinput device for the touchscreen and the stylus.
+    template <typename T = UinputStylusDevice>
+    std::enable_if_t<std::is_same_v<UinputTouchScreen, T>, void> setUpStylusDevice() {
+        mStylus = mDevice.get();
+        mStylusInfo = mDeviceInfo;
+    }
+
+    // When we are attempting to stylus buttons from an external stylus being merged with touches
+    // from a touchscreen, create a new Uinput device through which stylus buttons can be injected.
+    template <typename T = UinputStylusDevice>
+    std::enable_if_t<!std::is_same_v<UinputTouchScreen, T>, void> setUpStylusDevice() {
+        mStylusDeviceLifecycleTracker = createUinputDevice<T>();
+        mStylus = mStylusDeviceLifecycleTracker.get();
+        ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+        ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
+        const auto info = findDeviceByName(mStylus->getName());
+        ASSERT_TRUE(info);
+        mStylusInfo = *info;
+    }
+
+    std::unique_ptr<UinputStylusDevice> mStylusDeviceLifecycleTracker{};
+
+    // Hide the base class's device to expose it with a different name for readability.
+    using TouchIntegrationTest::mDevice;
+    using TouchIntegrationTest::mDeviceInfo;
+};
+
+using StylusButtonIntegrationTestTypes =
+        ::testing::Types<UinputTouchScreen, UinputExternalStylus, UinputExternalStylusWithPressure>;
+TYPED_TEST_SUITE(StylusButtonIntegrationTest, StylusButtonIntegrationTestTypes);
+
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsGenerateKeyEvents) {
+    const auto stylusId = TestFixture::mStylusInfo.getId();
+
+    TestFixture::mStylus->pressKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+
+    TestFixture::mStylus->releaseKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+}
+
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsSurroundingTouchGesture) {
+    const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
+    const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
+    const auto stylusId = TestFixture::mStylusInfo.getId();
+
+    // Press the stylus button.
+    TestFixture::mStylus->pressKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+
+    // Start and finish a stylus gesture.
+    TestFixture::mTouchscreen->sendSlot(FIRST_SLOT);
+    TestFixture::mTouchscreen->sendTrackingId(FIRST_TRACKING_ID);
+    TestFixture::mTouchscreen->sendToolType(MT_TOOL_PEN);
+    TestFixture::mTouchscreen->sendDown(centerPoint);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY),
+                  WithDeviceId(touchscreenId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY),
+                  WithDeviceId(touchscreenId))));
+
+    TestFixture::mTouchscreen->sendTrackingId(INVALID_TRACKING_ID);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+
+    // Release the stylus button.
+    TestFixture::mStylus->releaseKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+}
+
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsSurroundingHoveringTouchGesture) {
+    const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
+    const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
+    const auto stylusId = TestFixture::mStylusInfo.getId();
+    auto toolTypeDevice =
+            AllOf(WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithDeviceId(touchscreenId));
+
+    // Press the stylus button.
+    TestFixture::mStylus->pressKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+
+    // Start hovering with the stylus.
+    TestFixture::mTouchscreen->sendSlot(FIRST_SLOT);
+    TestFixture::mTouchscreen->sendTrackingId(FIRST_TRACKING_ID);
+    TestFixture::mTouchscreen->sendToolType(MT_TOOL_PEN);
+    TestFixture::mTouchscreen->sendMove(centerPoint);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    // Touch down with the stylus.
+    TestFixture::mTouchscreen->sendTrackingId(FIRST_TRACKING_ID);
+    TestFixture::mTouchscreen->sendToolType(MT_TOOL_PEN);
+    TestFixture::mTouchscreen->sendDown(centerPoint);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    // Stop touching with the stylus, and start hovering.
+    TestFixture::mTouchscreen->sendUp();
+    TestFixture::mTouchscreen->sendTrackingId(FIRST_TRACKING_ID);
+    TestFixture::mTouchscreen->sendToolType(MT_TOOL_PEN);
+    TestFixture::mTouchscreen->sendMove(centerPoint);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    // Stop hovering.
+    TestFixture::mTouchscreen->sendTrackingId(INVALID_TRACKING_ID);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
+                  WithButtonState(0))));
+    // TODO(b/257971675): Fix inconsistent button state when exiting hover.
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeDevice, WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    // Release the stylus button.
+    TestFixture::mStylus->releaseKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+}
+
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsWithinTouchGesture) {
+    const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
+    const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
+    const auto stylusId = TestFixture::mStylusInfo.getId();
+
+    // Start a stylus gesture.
+    TestFixture::mTouchscreen->sendSlot(FIRST_SLOT);
+    TestFixture::mTouchscreen->sendTrackingId(FIRST_TRACKING_ID);
+    TestFixture::mTouchscreen->sendToolType(MT_TOOL_PEN);
+    TestFixture::mTouchscreen->sendDown(centerPoint);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+
+    // Press and release a stylus button. Each change in button state also generates a MOVE event.
+    TestFixture::mStylus->pressKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY),
+                  WithDeviceId(touchscreenId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY),
+                  WithDeviceId(touchscreenId))));
+
+    TestFixture::mStylus->releaseKey(BTN_STYLUS);
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyKeyWasCalled(
+            AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD),
+                  WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+
+    // Finish the stylus gesture.
+    TestFixture::mTouchscreen->sendTrackingId(INVALID_TRACKING_ID);
+    TestFixture::mTouchscreen->sendSync();
+    ASSERT_NO_FATAL_FAILURE(TestFixture::mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId))));
+}
+
+// --- ExternalStylusIntegrationTest ---
+
+// Verify the behavior of an external stylus. An external stylus can report pressure or button
+// data independently of the touchscreen, which is then sent as a MotionEvent as part of an
+// ongoing stylus gesture that is being emitted by the touchscreen.
+using ExternalStylusIntegrationTest = TouchIntegrationTest;
+
+TEST_F(ExternalStylusIntegrationTest, FusedExternalStylusPressureReported) {
+    const Point centerPoint = mDevice->getCenterPoint();
+
+    // Create an external stylus capable of reporting pressure data that
+    // should be fused with a touch pointer.
+    std::unique_ptr<UinputExternalStylusWithPressure> stylus =
+            createUinputDevice<UinputExternalStylusWithPressure>();
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
+    const auto stylusInfo = findDeviceByName(stylus->getName());
+    ASSERT_TRUE(stylusInfo);
+
+    ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
+
+    const auto touchscreenId = mDeviceInfo.getId();
+
+    // Set a pressure value on the stylus. It doesn't generate any events.
+    const auto& RAW_PRESSURE_MAX = UinputExternalStylusWithPressure::RAW_PRESSURE_MAX;
+    stylus->setPressure(100);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+
+    // Start a finger gesture, and ensure it shows up as stylus gesture
+    // with the pressure set by the external stylus.
+    mDevice->sendSlot(FIRST_SLOT);
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_FINGER);
+    mDevice->sendDown(centerPoint);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId), WithPressure(100.f / RAW_PRESSURE_MAX))));
+
+    // Change the pressure on the external stylus, and ensure the touchscreen generates a MOVE
+    // event with the updated pressure.
+    stylus->setPressure(200);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId), WithPressure(200.f / RAW_PRESSURE_MAX))));
+
+    // The external stylus did not generate any events.
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(ExternalStylusIntegrationTest, FusedExternalStylusPressureNotReported) {
+    const Point centerPoint = mDevice->getCenterPoint();
+
+    // Create an external stylus capable of reporting pressure data that
+    // should be fused with a touch pointer.
+    std::unique_ptr<UinputExternalStylusWithPressure> stylus =
+            createUinputDevice<UinputExternalStylusWithPressure>();
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
+    const auto stylusInfo = findDeviceByName(stylus->getName());
+    ASSERT_TRUE(stylusInfo);
+
+    ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
+
+    const auto touchscreenId = mDeviceInfo.getId();
+
+    // Set a pressure value of 0 on the stylus. It doesn't generate any events.
+    const auto& RAW_PRESSURE_MAX = UinputExternalStylusWithPressure::RAW_PRESSURE_MAX;
+    // Send a non-zero value first to prevent the kernel from consuming the zero event.
+    stylus->setPressure(100);
+    stylus->setPressure(0);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+
+    // Start a finger gesture. The touch device will withhold generating any touches for
+    // up to 72 milliseconds while waiting for pressure data from the external stylus.
+    mDevice->sendSlot(FIRST_SLOT);
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_FINGER);
+    mDevice->sendDown(centerPoint);
+    auto waitUntil = std::chrono::system_clock::now() +
+            std::chrono::milliseconds(ns2ms(EXTERNAL_STYLUS_DATA_TIMEOUT));
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled(waitUntil));
+
+    // Since the external stylus did not report a pressure value within the timeout,
+    // it shows up as a finger pointer.
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER), WithDeviceId(touchscreenId),
+                  WithPressure(1.f))));
+
+    // Change the pressure on the external stylus. Since the pressure was not present at the start
+    // of the gesture, it is ignored for now.
+    stylus->setPressure(200);
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+
+    // Finish the finger gesture.
+    mDevice->sendTrackingId(INVALID_TRACKING_ID);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER))));
+
+    // Start a new gesture. Since we have a valid pressure value, it shows up as a stylus.
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_FINGER);
+    mDevice->sendDown(centerPoint);
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS), WithButtonState(0),
+                  WithDeviceId(touchscreenId), WithPressure(200.f / RAW_PRESSURE_MAX))));
+
+    // The external stylus did not generate any events.
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(ExternalStylusIntegrationTest, UnfusedExternalStylus) {
+    const Point centerPoint = mDevice->getCenterPoint();
+
+    // Create an external stylus device that does not support pressure. It should not affect any
+    // touch pointers.
+    std::unique_ptr<UinputExternalStylus> stylus = createUinputDevice<UinputExternalStylus>();
+    ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
+    const auto stylusInfo = findDeviceByName(stylus->getName());
+    ASSERT_TRUE(stylusInfo);
+
+    ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
+
+    const auto touchscreenId = mDeviceInfo.getId();
+
+    // Start a finger gesture and ensure a finger pointer is generated for it, without waiting for
+    // pressure data from the external stylus.
+    mDevice->sendSlot(FIRST_SLOT);
+    mDevice->sendTrackingId(FIRST_TRACKING_ID);
+    mDevice->sendToolType(MT_TOOL_FINGER);
+    mDevice->sendDown(centerPoint);
+    auto waitUntil = std::chrono::system_clock::now() +
+            std::chrono::milliseconds(ns2ms(EXTERNAL_STYLUS_DATA_TIMEOUT));
+    mDevice->sendSync();
+    ASSERT_NO_FATAL_FAILURE(
+            mTestListener
+                    ->assertNotifyMotionWasCalled(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                                                        WithToolType(
+                                                                AMOTION_EVENT_TOOL_TYPE_FINGER),
+                                                        WithButtonState(0),
+                                                        WithDeviceId(touchscreenId),
+                                                        WithPressure(1.f)),
+                                                  waitUntil));
+
+    // The external stylus did not generate any events.
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasNotCalled());
+}
+
 // --- InputDeviceTest ---
 class InputDeviceTest : public testing::Test {
 protected:
@@ -2669,6 +2193,7 @@ protected:
     static const int32_t DEVICE_CONTROLLER_NUMBER;
     static const ftl::Flags<InputDeviceClass> DEVICE_CLASSES;
     static const int32_t EVENTHUB_ID;
+    static const std::string DEVICE_BLUETOOTH_ADDRESS;
 
     std::shared_ptr<FakeEventHub> mFakeEventHub;
     sp<FakeInputReaderPolicy> mFakePolicy;
@@ -2678,13 +2203,14 @@ protected:
 
     void SetUp() override {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
                                                             *mFakeListener);
         InputDeviceIdentifier identifier;
         identifier.name = DEVICE_NAME;
         identifier.location = DEVICE_LOCATION;
+        identifier.bluetoothAddress = DEVICE_BLUETOOTH_ADDRESS;
         mDevice = std::make_shared<InputDevice>(mReader->getContext(), DEVICE_ID, DEVICE_GENERATION,
                                                 identifier);
         mReader->pushNextDevice(mDevice);
@@ -2706,6 +2232,7 @@ const int32_t InputDeviceTest::DEVICE_CONTROLLER_NUMBER = 0;
 const ftl::Flags<InputDeviceClass> InputDeviceTest::DEVICE_CLASSES =
         InputDeviceClass::KEYBOARD | InputDeviceClass::TOUCH | InputDeviceClass::JOYSTICK;
 const int32_t InputDeviceTest::EVENTHUB_ID = 1;
+const std::string InputDeviceTest::DEVICE_BLUETOOTH_ADDRESS = "11:AA:22:BB:33:CC";
 
 TEST_F(InputDeviceTest, ImmutableProperties) {
     ASSERT_EQ(DEVICE_ID, mDevice->getId());
@@ -2713,6 +2240,17 @@ TEST_F(InputDeviceTest, ImmutableProperties) {
     ASSERT_EQ(ftl::Flags<InputDeviceClass>(0), mDevice->getClasses());
 }
 
+TEST_F(InputDeviceTest, CountryCodeCorrectlyMapped) {
+    mFakeEventHub->setCountryCode(EVENTHUB_ID, InputDeviceCountryCode::INTERNATIONAL);
+
+    // Configuration
+    mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
+    InputReaderConfiguration config;
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
+
+    ASSERT_EQ(InputDeviceCountryCode::INTERNATIONAL, mDevice->getDeviceInfo().getCountryCode());
+}
+
 TEST_F(InputDeviceTest, WhenDeviceCreated_EnabledIsFalse) {
     ASSERT_EQ(mDevice->isEnabled(), false);
 }
@@ -2720,10 +2258,10 @@ TEST_F(InputDeviceTest, WhenDeviceCreated_EnabledIsFalse) {
 TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
     // Configuration.
     InputReaderConfiguration config;
-    mDevice->configure(ARBITRARY_TIME, &config, 0);
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
 
     // Reset.
-    mDevice->reset(ARBITRARY_TIME);
+    unused += mDevice->reset(ARBITRARY_TIME);
 
     NotifyDeviceResetArgs resetArgs;
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
@@ -2750,9 +2288,9 @@ TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
     ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 0))
             << "Ignored device should return unknown switch state.";
 
-    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B};
     uint8_t flags[2] = { 0, 1 };
-    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 2, keyCodes, flags))
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, keyCodes, flags))
             << "Ignored device should never mark any key codes.";
     ASSERT_EQ(0, flags[0]) << "Flag for unsupported key should be unchanged.";
     ASSERT_EQ(1, flags[1]) << "Flag for unsupported key should be unchanged.";
@@ -2760,7 +2298,7 @@ TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
 
 TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRequestsToMappers) {
     // Configuration.
-    mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, String8("key"), String8("value"));
+    mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, "key", "value");
 
     FakeInputMapper& mapper1 =
             mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
@@ -2779,18 +2317,18 @@ TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRe
     mapper2.setMetaState(AMETA_SHIFT_ON);
 
     InputReaderConfiguration config;
-    mDevice->configure(ARBITRARY_TIME, &config, 0);
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
 
-    String8 propertyValue;
-    ASSERT_TRUE(mDevice->getConfiguration().tryGetProperty(String8("key"), propertyValue))
+    std::string propertyValue;
+    ASSERT_TRUE(mDevice->getConfiguration().tryGetProperty("key", propertyValue))
             << "Device should have read configuration during configuration phase.";
-    ASSERT_STREQ("value", propertyValue.string());
+    ASSERT_EQ("value", propertyValue);
 
     ASSERT_NO_FATAL_FAILURE(mapper1.assertConfigureWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertConfigureWasCalled());
 
     // Reset
-    mDevice->reset(ARBITRARY_TIME);
+    unused += mDevice->reset(ARBITRARY_TIME);
     ASSERT_NO_FATAL_FAILURE(mapper1.assertResetWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertResetWasCalled());
 
@@ -2827,16 +2365,16 @@ TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRe
     ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 4))
             << "Should query mapper when source is supported.";
 
-    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2};
     uint8_t flags[4] = { 0, 0, 0, 1 };
-    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
             << "Should do nothing when source is unsupported.";
     ASSERT_EQ(0, flags[0]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(0, flags[1]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(0, flags[2]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(1, flags[3]) << "Flag should be unchanged when source is unsupported.";
 
-    ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 4, keyCodes, flags))
+    ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, keyCodes, flags))
             << "Should query mapper when source is supported.";
     ASSERT_EQ(1, flags[0]) << "Flag for supported key should be set.";
     ASSERT_EQ(1, flags[1]) << "Flag for supported key should be set.";
@@ -2846,7 +2384,7 @@ TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRe
     // Event handling.
     RawEvent event;
     event.deviceId = EVENTHUB_ID;
-    mDevice->process(&event, 1);
+    unused += mDevice->process(&event, 1);
 
     ASSERT_NO_FATAL_FAILURE(mapper1.assertProcessWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertProcessWasCalled());
@@ -2859,7 +2397,8 @@ TEST_F(InputDeviceTest, Configure_AssignsDisplayPort) {
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_TOUCHSCREEN);
 
     // First Configuration.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
 
     // Device should be enabled by default.
     ASSERT_TRUE(mDevice->isEnabled());
@@ -2869,29 +2408,29 @@ TEST_F(InputDeviceTest, Configure_AssignsDisplayPort) {
     const std::string UNIQUE_ID = "local:1";
 
     mFakePolicy->addInputPortAssociation(DEVICE_LOCATION, hdmi);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     // Device should be disabled because it is associated with a specific display via
     // input port <-> display port association, but the corresponding display is not found
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Prepare displays.
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, UNIQUE_ID, hdmi,
+                                    ui::ROTATION_0, true /*isActive*/, UNIQUE_ID, hdmi,
                                     ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled after set disable.
     mFakePolicy->addDisabledDevice(mDevice->getId());
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_ENABLED_STATE);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_ENABLED_STATE);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should still be disabled even found the associated display.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 }
 
@@ -2899,47 +2438,49 @@ TEST_F(InputDeviceTest, Configure_AssignsDisplayUniqueId) {
     // Device should be enabled by default.
     mFakePolicy->clearViewports();
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled because it is associated with a specific display, but the
     // corresponding display is not found.
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, DISPLAY_UNIQUE_ID);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should be enabled when a display is found.
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
+                                    ui::ROTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
                                     NO_PORT, ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled after set disable.
     mFakePolicy->addDisabledDevice(mDevice->getId());
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_ENABLED_STATE);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_ENABLED_STATE);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should still be disabled even found the associated display.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 }
 
 TEST_F(InputDeviceTest, Configure_UniqueId_CorrectlyMatches) {
     mFakePolicy->clearViewports();
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
 
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, DISPLAY_UNIQUE_ID);
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
+                                    ui::ROTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
                                     NO_PORT, ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_EQ(DISPLAY_UNIQUE_ID, mDevice->getAssociatedDisplayUniqueId());
 }
 
@@ -2958,161 +2499,11 @@ TEST_F(InputDeviceTest, DumpDoesNotCrash) {
     device.dump(dumpStr, eventHubDevStr);
 }
 
-// --- InputMapperTest ---
-
-class InputMapperTest : public testing::Test {
-protected:
-    static const char* DEVICE_NAME;
-    static const char* DEVICE_LOCATION;
-    static const int32_t DEVICE_ID;
-    static const int32_t DEVICE_GENERATION;
-    static const int32_t DEVICE_CONTROLLER_NUMBER;
-    static const ftl::Flags<InputDeviceClass> DEVICE_CLASSES;
-    static const int32_t EVENTHUB_ID;
-
-    std::shared_ptr<FakeEventHub> mFakeEventHub;
-    sp<FakeInputReaderPolicy> mFakePolicy;
-    std::unique_ptr<TestInputListener> mFakeListener;
-    std::unique_ptr<InstrumentedInputReader> mReader;
-    std::shared_ptr<InputDevice> mDevice;
-
-    virtual void SetUp(ftl::Flags<InputDeviceClass> classes) {
-        mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
-        mFakeListener = std::make_unique<TestInputListener>();
-        mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
-                                                            *mFakeListener);
-        mDevice = newDevice(DEVICE_ID, DEVICE_NAME, DEVICE_LOCATION, EVENTHUB_ID, classes);
-        // Consume the device reset notification generated when adding a new device.
-        mFakeListener->assertNotifyDeviceResetWasCalled();
-    }
-
-    void SetUp() override {
-        SetUp(DEVICE_CLASSES);
-    }
-
-    void TearDown() override {
-        mFakeListener.reset();
-        mFakePolicy.clear();
-    }
-
-    void addConfigurationProperty(const char* key, const char* value) {
-        mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, String8(key), String8(value));
-    }
-
-    void configureDevice(uint32_t changes) {
-        if (!changes ||
-            (changes &
-             (InputReaderConfiguration::CHANGE_DISPLAY_INFO |
-              InputReaderConfiguration::CHANGE_POINTER_CAPTURE))) {
-            mReader->requestRefreshConfiguration(changes);
-            mReader->loopOnce();
-        }
-        mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
-        // Loop the reader to flush the input listener queue.
-        mReader->loopOnce();
-    }
-
-    std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
-                                           const std::string& location, int32_t eventHubId,
-                                           ftl::Flags<InputDeviceClass> classes) {
-        InputDeviceIdentifier identifier;
-        identifier.name = name;
-        identifier.location = location;
-        std::shared_ptr<InputDevice> device =
-                std::make_shared<InputDevice>(mReader->getContext(), deviceId, DEVICE_GENERATION,
-                                              identifier);
-        mReader->pushNextDevice(device);
-        mFakeEventHub->addDevice(eventHubId, name, classes);
-        mReader->loopOnce();
-        return device;
-    }
-
-    template <class T, typename... Args>
-    T& addMapperAndConfigure(Args... args) {
-        T& mapper = mDevice->addMapper<T>(EVENTHUB_ID, args...);
-        configureDevice(0);
-        mDevice->reset(ARBITRARY_TIME);
-        mapper.reset(ARBITRARY_TIME);
-        // Loop the reader to flush the input listener queue.
-        mReader->loopOnce();
-        return mapper;
-    }
-
-    void setDisplayInfoAndReconfigure(int32_t displayId, int32_t width, int32_t height,
-            int32_t orientation, const std::string& uniqueId,
-            std::optional<uint8_t> physicalPort, ViewportType viewportType) {
-        mFakePolicy->addDisplayViewport(displayId, width, height, orientation, true /*isActive*/,
-                                        uniqueId, physicalPort, viewportType);
-        configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
-    }
-
-    void clearViewports() {
-        mFakePolicy->clearViewports();
-    }
-
-    void process(InputMapper& mapper, nsecs_t when, nsecs_t readTime, int32_t type, int32_t code,
-                 int32_t value) {
-        RawEvent event;
-        event.when = when;
-        event.readTime = readTime;
-        event.deviceId = mapper.getDeviceContext().getEventHubId();
-        event.type = type;
-        event.code = code;
-        event.value = value;
-        mapper.process(&event);
-        // Loop the reader to flush the input listener queue.
-        mReader->loopOnce();
-    }
-
-    static void assertMotionRange(const InputDeviceInfo& info,
-            int32_t axis, uint32_t source, float min, float max, float flat, float fuzz) {
-        const InputDeviceInfo::MotionRange* range = info.getMotionRange(axis, source);
-        ASSERT_TRUE(range != nullptr) << "Axis: " << axis << " Source: " << source;
-        ASSERT_EQ(axis, range->axis) << "Axis: " << axis << " Source: " << source;
-        ASSERT_EQ(source, range->source) << "Axis: " << axis << " Source: " << source;
-        ASSERT_NEAR(min, range->min, EPSILON) << "Axis: " << axis << " Source: " << source;
-        ASSERT_NEAR(max, range->max, EPSILON) << "Axis: " << axis << " Source: " << source;
-        ASSERT_NEAR(flat, range->flat, EPSILON) << "Axis: " << axis << " Source: " << source;
-        ASSERT_NEAR(fuzz, range->fuzz, EPSILON) << "Axis: " << axis << " Source: " << source;
-    }
-
-    static void assertPointerCoords(const PointerCoords& coords, float x, float y, float pressure,
-                                    float size, float touchMajor, float touchMinor, float toolMajor,
-                                    float toolMinor, float orientation, float distance,
-                                    float scaledAxisEpsilon = 1.f) {
-        ASSERT_NEAR(x, coords.getAxisValue(AMOTION_EVENT_AXIS_X), scaledAxisEpsilon);
-        ASSERT_NEAR(y, coords.getAxisValue(AMOTION_EVENT_AXIS_Y), scaledAxisEpsilon);
-        ASSERT_NEAR(pressure, coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE), EPSILON);
-        ASSERT_NEAR(size, coords.getAxisValue(AMOTION_EVENT_AXIS_SIZE), EPSILON);
-        ASSERT_NEAR(touchMajor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
-                    scaledAxisEpsilon);
-        ASSERT_NEAR(touchMinor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
-                    scaledAxisEpsilon);
-        ASSERT_NEAR(toolMajor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
-                    scaledAxisEpsilon);
-        ASSERT_NEAR(toolMinor, coords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
-                    scaledAxisEpsilon);
-        ASSERT_NEAR(orientation, coords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION), EPSILON);
-        ASSERT_NEAR(distance, coords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE), EPSILON);
-    }
-
-    static void assertPosition(const FakePointerController& controller, float x, float y) {
-        float actualX, actualY;
-        controller.getPosition(&actualX, &actualY);
-        ASSERT_NEAR(x, actualX, 1);
-        ASSERT_NEAR(y, actualY, 1);
-    }
-};
-
-const char* InputMapperTest::DEVICE_NAME = "device";
-const char* InputMapperTest::DEVICE_LOCATION = "USB1";
-const int32_t InputMapperTest::DEVICE_ID = END_RESERVED_ID + 1000;
-const int32_t InputMapperTest::DEVICE_GENERATION = 2;
-const int32_t InputMapperTest::DEVICE_CONTROLLER_NUMBER = 0;
-const ftl::Flags<InputDeviceClass> InputMapperTest::DEVICE_CLASSES =
-        ftl::Flags<InputDeviceClass>(0); // not needed for current tests
-const int32_t InputMapperTest::EVENTHUB_ID = 1;
+TEST_F(InputDeviceTest, GetBluetoothAddress) {
+    const auto& address = mReader->getBluetoothAddress(DEVICE_ID);
+    ASSERT_TRUE(address);
+    ASSERT_EQ(DEVICE_BLUETOOTH_ADDRESS, *address);
+}
 
 // --- SwitchInputMapperTest ---
 
@@ -3138,14 +2529,17 @@ TEST_F(SwitchInputMapperTest, GetSwitchState) {
 
 TEST_F(SwitchInputMapperTest, Process) {
     SwitchInputMapper& mapper = addMapperAndConfigure<SwitchInputMapper>();
-
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_LID, 1);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_JACK_PHYSICAL_INSERT, 1);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_HEADPHONE_INSERT, 0);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
-
-    NotifySwitchArgs args;
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySwitchWasCalled(&args));
+    std::list<NotifyArgs> out;
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_LID, 1);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_JACK_PHYSICAL_INSERT, 1);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_HEADPHONE_INSERT, 0);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
+
+    ASSERT_EQ(1u, out.size());
+    const NotifySwitchArgs& args = std::get<NotifySwitchArgs>(*out.begin());
     ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
     ASSERT_EQ((1U << SW_LID) | (1U << SW_JACK_PHYSICAL_INSERT), args.switchValues);
     ASSERT_EQ((1U << SW_LID) | (1U << SW_JACK_PHYSICAL_INSERT) | (1 << SW_HEADPHONE_INSERT),
@@ -3192,22 +2586,23 @@ TEST_F(VibratorInputMapperTest, Vibrate) {
 
     ASSERT_FALSE(mapper.isVibrating());
     // Start vibrating
-    mapper.vibrate(sequence, -1 /* repeat */, VIBRATION_TOKEN);
+    std::list<NotifyArgs> out = mapper.vibrate(sequence, -1 /* repeat */, VIBRATION_TOKEN);
     ASSERT_TRUE(mapper.isVibrating());
     // Verify vibrator state listener was notified.
     mReader->loopOnce();
-    NotifyVibratorStateArgs args;
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyVibratorStateWasCalled(&args));
-    ASSERT_EQ(DEVICE_ID, args.deviceId);
-    ASSERT_TRUE(args.isOn);
+    ASSERT_EQ(1u, out.size());
+    const NotifyVibratorStateArgs& vibrateArgs = std::get<NotifyVibratorStateArgs>(*out.begin());
+    ASSERT_EQ(DEVICE_ID, vibrateArgs.deviceId);
+    ASSERT_TRUE(vibrateArgs.isOn);
     // Stop vibrating
-    mapper.cancelVibrate(VIBRATION_TOKEN);
+    out = mapper.cancelVibrate(VIBRATION_TOKEN);
     ASSERT_FALSE(mapper.isVibrating());
     // Verify vibrator state listener was notified.
     mReader->loopOnce();
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyVibratorStateWasCalled(&args));
-    ASSERT_EQ(DEVICE_ID, args.deviceId);
-    ASSERT_FALSE(args.isOn);
+    ASSERT_EQ(1u, out.size());
+    const NotifyVibratorStateArgs& cancelArgs = std::get<NotifyVibratorStateArgs>(*out.begin());
+    ASSERT_EQ(DEVICE_ID, cancelArgs.deviceId);
+    ASSERT_FALSE(cancelArgs.isOn);
 }
 
 // --- SensorInputMapperTest ---
@@ -3369,7 +2764,7 @@ class KeyboardInputMapperTest : public InputMapperTest {
 protected:
     const std::string UNIQUE_ID = "local:0";
 
-    void prepareDisplay(int32_t orientation);
+    void prepareDisplay(ui::Rotation orientation);
 
     void testDPadKeyRotation(KeyboardInputMapper& mapper, int32_t originalScanCode,
                              int32_t originalKeyCode, int32_t rotatedKeyCode,
@@ -3379,7 +2774,7 @@ protected:
 /* Similar to setDisplayInfoAndReconfigure, but pre-populates all parameters except for the
  * orientation.
  */
-void KeyboardInputMapperTest::prepareDisplay(int32_t orientation) {
+void KeyboardInputMapperTest::prepareDisplay(ui::Rotation orientation) {
     setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, orientation, UNIQUE_ID,
                                  NO_PORT, ViewportType::INTERNAL);
 }
@@ -3517,6 +2912,27 @@ TEST_F(KeyboardInputMapperTest, Process_SimpleKeyPress) {
     ASSERT_EQ(ARBITRARY_TIME, args.downTime);
 }
 
+TEST_F(KeyboardInputMapperTest, Process_KeyRemapping) {
+    mFakeEventHub->addKey(EVENTHUB_ID, KEY_A, 0, AKEYCODE_A, 0);
+    mFakeEventHub->addKey(EVENTHUB_ID, KEY_B, 0, AKEYCODE_B, 0);
+    mFakeEventHub->addKeyRemapping(EVENTHUB_ID, AKEYCODE_A, AKEYCODE_B);
+
+    KeyboardInputMapper& mapper =
+            addMapperAndConfigure<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD,
+                                                       AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+
+    // Key down by scan code.
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_A, 1);
+    NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEYCODE_B, args.keyCode);
+
+    // Key up by scan code.
+    process(mapper, ARBITRARY_TIME + 1, READ_TIME, EV_KEY, KEY_A, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEYCODE_B, args.keyCode);
+}
+
 /**
  * Ensure that the readTime is set to the time when the EV_KEY is received.
  */
@@ -3591,7 +3007,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenNotOrientationAware_ShouldNotRotateD
             addMapperAndConfigure<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD,
                                                        AINPUT_KEYBOARD_TYPE_ALPHABETIC);
 
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
             KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP));
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
@@ -3613,7 +3029,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
             addMapperAndConfigure<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD,
                                                        AINPUT_KEYBOARD_TYPE_ALPHABETIC);
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     ASSERT_NO_FATAL_FAILURE(
             testDPadKeyRotation(mapper, KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP, DISPLAY_ID));
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper, KEY_RIGHT, AKEYCODE_DPAD_RIGHT,
@@ -3624,7 +3040,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
                                                 AKEYCODE_DPAD_LEFT, DISPLAY_ID));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     ASSERT_NO_FATAL_FAILURE(
             testDPadKeyRotation(mapper, KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, DISPLAY_ID));
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper, KEY_RIGHT, AKEYCODE_DPAD_RIGHT,
@@ -3635,7 +3051,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
                                                 AKEYCODE_DPAD_DOWN, DISPLAY_ID));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_180);
+    prepareDisplay(ui::ROTATION_180);
     ASSERT_NO_FATAL_FAILURE(
             testDPadKeyRotation(mapper, KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN, DISPLAY_ID));
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper, KEY_RIGHT, AKEYCODE_DPAD_RIGHT,
@@ -3646,7 +3062,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
                                                 AKEYCODE_DPAD_RIGHT, DISPLAY_ID));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_270);
+    prepareDisplay(ui::ROTATION_270);
     ASSERT_NO_FATAL_FAILURE(
             testDPadKeyRotation(mapper, KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_RIGHT, DISPLAY_ID));
     ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper, KEY_RIGHT, AKEYCODE_DPAD_RIGHT,
@@ -3660,7 +3076,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
     // in the key up as we did in the key down.
     NotifyKeyArgs args;
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_270);
+    prepareDisplay(ui::ROTATION_270);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 1);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
     ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
@@ -3668,7 +3084,7 @@ TEST_F(KeyboardInputMapperTest, Process_WhenOrientationAware_ShouldRotateDPad) {
     ASSERT_EQ(AKEYCODE_DPAD_RIGHT, args.keyCode);
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_180);
+    prepareDisplay(ui::ROTATION_180);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 0);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
     ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
@@ -3693,7 +3109,7 @@ TEST_F(KeyboardInputMapperTest, DisplayIdConfigurationChange_NotOrientationAware
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
     ASSERT_EQ(ADISPLAY_ID_NONE, args.displayId);
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 1);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 0);
@@ -3715,7 +3131,7 @@ TEST_F(KeyboardInputMapperTest, DisplayIdConfigurationChange_OrientationAware) {
     // Display id should be ADISPLAY_ID_NONE without any display configuration.
     // ^--- already checked by the previous test
 
-    setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0,
+    setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
                                  UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 1);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
@@ -3725,7 +3141,7 @@ TEST_F(KeyboardInputMapperTest, DisplayIdConfigurationChange_OrientationAware) {
 
     constexpr int32_t newDisplayId = 2;
     clearViewports();
-    setDisplayInfoAndReconfigure(newDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0,
+    setDisplayInfoAndReconfigure(newDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
                                  UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UP, 1);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
@@ -3778,9 +3194,8 @@ TEST_F(KeyboardInputMapperTest, MarkSupportedKeyCodes) {
 
     mFakeEventHub->addKey(EVENTHUB_ID, KEY_A, 0, AKEYCODE_A, 0);
 
-    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
     uint8_t flags[2] = { 0, 0 };
-    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, 1, keyCodes, flags));
+    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, {AKEYCODE_A, AKEYCODE_B}, flags));
     ASSERT_TRUE(flags[0]);
     ASSERT_FALSE(flags[1]);
 }
@@ -3864,7 +3279,7 @@ TEST_F(KeyboardInputMapperTest, NoMetaStateWhenMetaKeysNotPresent) {
                                                        AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC);
 
     // Meta state should be AMETA_NONE after reset
-    mapper.reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
     ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
     // Meta state should be AMETA_NONE with update, as device doesn't have the keys.
     mapper.updateMetaState(AKEYCODE_NUM_LOCK);
@@ -3916,8 +3331,10 @@ TEST_F(KeyboardInputMapperTest, Configure_AssignsDisplayPort) {
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Prepared displays and associated info.
     constexpr uint8_t hdmi1 = 0;
@@ -3928,19 +3345,19 @@ TEST_F(KeyboardInputMapperTest, Configure_AssignsDisplayPort) {
     mFakePolicy->addInputPortAssociation(USB2, hdmi2);
 
     // No associated display viewport found, should disable the device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(device2->isEnabled());
 
     // Prepare second display.
     constexpr int32_t newDisplayId = 2;
-    setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0,
+    setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
                                  UNIQUE_ID, hdmi1, ViewportType::INTERNAL);
-    setDisplayInfoAndReconfigure(newDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0,
+    setDisplayInfoAndReconfigure(newDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
                                  SECONDARY_UNIQUE_ID, hdmi2, ViewportType::EXTERNAL);
     // Default device will reconfigure above, need additional reconfiguration for another device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
 
     // Device should be enabled after the associated display is found.
     ASSERT_TRUE(mDevice->isEnabled());
@@ -4024,8 +3441,10 @@ TEST_F(KeyboardInputMapperTest, Process_LockedKeysShouldToggleAfterReattach) {
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     ASSERT_TRUE(mFakeEventHub->getLedState(SECOND_EVENTHUB_ID, LED_CAPSL));
     ASSERT_TRUE(mFakeEventHub->getLedState(SECOND_EVENTHUB_ID, LED_NUML));
@@ -4083,8 +3502,10 @@ TEST_F(KeyboardInputMapperTest, Process_LockedKeysShouldToggleInMultiDevices) {
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Initial metastate is AMETA_NONE.
     ASSERT_EQ(AMETA_NONE, mapper1.getMetaState());
@@ -4130,6 +3551,37 @@ TEST_F(KeyboardInputMapperTest, Process_LockedKeysShouldToggleInMultiDevices) {
     ASSERT_EQ(AMETA_NONE, mapper2.getMetaState());
 }
 
+TEST_F(KeyboardInputMapperTest, Process_DisabledDevice) {
+    const int32_t USAGE_A = 0x070004;
+    mFakeEventHub->addKey(EVENTHUB_ID, KEY_HOME, 0, AKEYCODE_HOME, POLICY_FLAG_WAKE);
+    mFakeEventHub->addKey(EVENTHUB_ID, 0, USAGE_A, AKEYCODE_A, POLICY_FLAG_WAKE);
+
+    KeyboardInputMapper& mapper =
+            addMapperAndConfigure<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD,
+                                                       AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    // Key down by scan code.
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_HOME, 1);
+    NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+
+    // Disable device, it should synthesize cancellation events for down events.
+    mFakePolicy->addDisabledDevice(DEVICE_ID);
+    configureDevice(InputReaderConfiguration::CHANGE_ENABLED_STATE);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_CANCELED, args.flags);
+}
+
 // --- KeyboardInputMapperTest_ExternalDevice ---
 
 class KeyboardInputMapperTest_ExternalDevice : public InputMapperTest {
@@ -4232,14 +3684,14 @@ protected:
     void testMotionRotation(CursorInputMapper& mapper, int32_t originalX, int32_t originalY,
                             int32_t rotatedX, int32_t rotatedY);
 
-    void prepareDisplay(int32_t orientation) {
+    void prepareDisplay(ui::Rotation orientation) {
         setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, orientation,
                                      DISPLAY_UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
     }
 
     void prepareSecondaryDisplay() {
         setDisplayInfoAndReconfigure(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                     DISPLAY_ORIENTATION_0, SECONDARY_DISPLAY_UNIQUE_ID, NO_PORT,
+                                     ui::ROTATION_0, SECONDARY_DISPLAY_UNIQUE_ID, NO_PORT,
                                      ViewportType::EXTERNAL);
     }
 
@@ -4524,7 +3976,7 @@ TEST_F(CursorInputMapperTest, Process_WhenOrientationAware_ShouldNotRotateMotion
     addConfigurationProperty("cursor.orientationAware", "1");
     CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
 
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0,  1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1,  1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  1,  0));
@@ -4543,7 +3995,7 @@ TEST_F(CursorInputMapperTest, Process_WhenNotOrientationAware_ShouldRotateMotion
     CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0,  1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1,  1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  1,  0));
@@ -4554,7 +4006,7 @@ TEST_F(CursorInputMapperTest, Process_WhenNotOrientationAware_ShouldRotateMotion
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1, -1,  1));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1, -1,  0));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1, -1,  1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  0,  1));
@@ -4565,7 +4017,7 @@ TEST_F(CursorInputMapperTest, Process_WhenNotOrientationAware_ShouldRotateMotion
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1, -1, -1));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_180);
+    prepareDisplay(ui::ROTATION_180);
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0, -1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1, -1, -1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0, -1,  0));
@@ -4576,7 +4028,7 @@ TEST_F(CursorInputMapperTest, Process_WhenNotOrientationAware_ShouldRotateMotion
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1,  1, -1));
 
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_270);
+    prepareDisplay(ui::ROTATION_270);
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  1,  0));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1, -1));
     ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  0, -1));
@@ -5040,7 +4492,7 @@ TEST_F(CursorInputMapperTest, PointerCaptureDisablesOrientationChanges) {
     ASSERT_EQ(DEVICE_ID, resetArgs.deviceId);
 
     // Ensure the display is rotated.
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
 
     NotifyMotionArgs args;
 
@@ -5076,7 +4528,7 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_NoAssociatedViewport) {
     CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
 
     // Set up the default display.
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
 
     // Set up the secondary display as the display on which the pointer should be shown.
     // The InputDevice is not associated with any display.
@@ -5093,8 +4545,9 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_NoAssociatedViewport) {
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_Y, 20);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_HOVER_MOVE), WithSource(AINPUT_SOURCE_MOUSE),
-                  WithDisplayId(SECONDARY_DISPLAY_ID), WithCoords(110.0f, 220.0f))));
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE), WithDisplayId(SECONDARY_DISPLAY_ID),
+                  WithCoords(110.0f, 220.0f))));
     ASSERT_NO_FATAL_FAILURE(assertPosition(*mFakePointerController, 110.0f, 220.0f));
 }
 
@@ -5102,7 +4555,7 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_WithAssociatedViewport) {
     CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
 
     // Set up the default display.
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
 
     // Set up the secondary display as the display on which the pointer should be shown,
     // and associate the InputDevice with the secondary display.
@@ -5119,8 +4572,9 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_WithAssociatedViewport) {
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_Y, 20);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_HOVER_MOVE), WithSource(AINPUT_SOURCE_MOUSE),
-                  WithDisplayId(SECONDARY_DISPLAY_ID), WithCoords(110.0f, 220.0f))));
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE), WithDisplayId(SECONDARY_DISPLAY_ID),
+                  WithCoords(110.0f, 220.0f))));
     ASSERT_NO_FATAL_FAILURE(assertPosition(*mFakePointerController, 110.0f, 220.0f));
 }
 
@@ -5128,7 +4582,7 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_IgnoresEventsForMismatchedPoint
     CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
 
     // Set up the default display as the display on which the pointer should be shown.
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     mFakePolicy->setDefaultPointerDisplayId(DISPLAY_ID);
 
     // Associate the InputDevice with the secondary display.
@@ -5144,6 +4598,106 @@ TEST_F(CursorInputMapperTest, ConfigureDisplayId_IgnoresEventsForMismatchedPoint
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 }
 
+// --- BluetoothCursorInputMapperTest ---
+
+class BluetoothCursorInputMapperTest : public CursorInputMapperTest {
+protected:
+    void SetUp() override {
+        InputMapperTest::SetUp(DEVICE_CLASSES | InputDeviceClass::EXTERNAL, BUS_BLUETOOTH);
+
+        mFakePointerController = std::make_shared<FakePointerController>();
+        mFakePolicy->setPointerController(mFakePointerController);
+    }
+};
+
+TEST_F(BluetoothCursorInputMapperTest, TimestampSmoothening) {
+    addConfigurationProperty("cursor.mode", "pointer");
+    CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
+
+    nsecs_t kernelEventTime = ARBITRARY_TIME;
+    nsecs_t expectedEventTime = ARBITRARY_TIME;
+    process(mapper, kernelEventTime, READ_TIME, EV_REL, REL_X, 1);
+    process(mapper, kernelEventTime, READ_TIME, EV_SYN, SYN_REPORT, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithEventTime(expectedEventTime))));
+
+    // Process several events that come in quick succession, according to their timestamps.
+    for (int i = 0; i < 3; i++) {
+        constexpr static nsecs_t delta = ms2ns(1);
+        static_assert(delta < MIN_BLUETOOTH_TIMESTAMP_DELTA);
+        kernelEventTime += delta;
+        expectedEventTime += MIN_BLUETOOTH_TIMESTAMP_DELTA;
+
+        process(mapper, kernelEventTime, READ_TIME, EV_REL, REL_X, 1);
+        process(mapper, kernelEventTime, READ_TIME, EV_SYN, SYN_REPORT, 0);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                      WithEventTime(expectedEventTime))));
+    }
+}
+
+TEST_F(BluetoothCursorInputMapperTest, TimestampSmootheningIsCapped) {
+    addConfigurationProperty("cursor.mode", "pointer");
+    CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
+
+    nsecs_t expectedEventTime = ARBITRARY_TIME;
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_X, 1);
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithEventTime(expectedEventTime))));
+
+    // Process several events with the same timestamp from the kernel.
+    // Ensure that we do not generate events too far into the future.
+    constexpr static int32_t numEvents =
+            MAX_BLUETOOTH_SMOOTHING_DELTA / MIN_BLUETOOTH_TIMESTAMP_DELTA;
+    for (int i = 0; i < numEvents; i++) {
+        expectedEventTime += MIN_BLUETOOTH_TIMESTAMP_DELTA;
+
+        process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_X, 1);
+        process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                      WithEventTime(expectedEventTime))));
+    }
+
+    // By processing more events with the same timestamp, we should not generate events with a
+    // timestamp that is more than the specified max time delta from the timestamp at its injection.
+    const nsecs_t cappedEventTime = ARBITRARY_TIME + MAX_BLUETOOTH_SMOOTHING_DELTA;
+    for (int i = 0; i < 3; i++) {
+        process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_X, 1);
+        process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                      WithEventTime(cappedEventTime))));
+    }
+}
+
+TEST_F(BluetoothCursorInputMapperTest, TimestampSmootheningNotUsed) {
+    addConfigurationProperty("cursor.mode", "pointer");
+    CursorInputMapper& mapper = addMapperAndConfigure<CursorInputMapper>();
+
+    nsecs_t kernelEventTime = ARBITRARY_TIME;
+    nsecs_t expectedEventTime = ARBITRARY_TIME;
+    process(mapper, kernelEventTime, READ_TIME, EV_REL, REL_X, 1);
+    process(mapper, kernelEventTime, READ_TIME, EV_SYN, SYN_REPORT, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithEventTime(expectedEventTime))));
+
+    // If the next event has a timestamp that is sufficiently spaced out so that Bluetooth timestamp
+    // smoothening is not needed, its timestamp is not affected.
+    kernelEventTime += MAX_BLUETOOTH_SMOOTHING_DELTA + ms2ns(1);
+    expectedEventTime = kernelEventTime;
+
+    process(mapper, kernelEventTime, READ_TIME, EV_REL, REL_X, 1);
+    process(mapper, kernelEventTime, READ_TIME, EV_SYN, SYN_REPORT, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithEventTime(expectedEventTime))));
+}
+
 // --- TouchInputMapperTest ---
 
 class TouchInputMapperTest : public InputMapperTest {
@@ -5195,9 +4749,9 @@ protected:
         TOOL_TYPE = 1 << 10,
     };
 
-    void prepareDisplay(int32_t orientation, std::optional<uint8_t> port = NO_PORT);
+    void prepareDisplay(ui::Rotation orientation, std::optional<uint8_t> port = NO_PORT);
     void prepareSecondaryDisplay(ViewportType type, std::optional<uint8_t> port = NO_PORT);
-    void prepareVirtualDisplay(int32_t orientation);
+    void prepareVirtualDisplay(ui::Rotation orientation);
     void prepareVirtualKeys();
     void prepareLocationCalibration();
     int32_t toRawX(float displayX);
@@ -5251,17 +4805,17 @@ const VirtualKeyDefinition TouchInputMapperTest::VIRTUAL_KEYS[2] = {
         { KEY_MENU, DISPLAY_HEIGHT - 60, DISPLAY_WIDTH + 15, 20, 20 },
 };
 
-void TouchInputMapperTest::prepareDisplay(int32_t orientation, std::optional<uint8_t> port) {
+void TouchInputMapperTest::prepareDisplay(ui::Rotation orientation, std::optional<uint8_t> port) {
     setDisplayInfoAndReconfigure(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, orientation, UNIQUE_ID,
                                  port, ViewportType::INTERNAL);
 }
 
 void TouchInputMapperTest::prepareSecondaryDisplay(ViewportType type, std::optional<uint8_t> port) {
     setDisplayInfoAndReconfigure(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-            DISPLAY_ORIENTATION_0, SECONDARY_UNIQUE_ID, port, type);
+                                 ui::ROTATION_0, SECONDARY_UNIQUE_ID, port, type);
 }
 
-void TouchInputMapperTest::prepareVirtualDisplay(int32_t orientation) {
+void TouchInputMapperTest::prepareVirtualDisplay(ui::Rotation orientation) {
     setDisplayInfoAndReconfigure(VIRTUAL_DISPLAY_ID, VIRTUAL_DISPLAY_WIDTH, VIRTUAL_DISPLAY_HEIGHT,
                                  orientation, VIRTUAL_DISPLAY_UNIQUE_ID, NO_PORT,
                                  ViewportType::VIRTUAL);
@@ -5414,26 +4968,7 @@ TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsNotSpecifiedAndNot
     prepareAxes(POSITION);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
 
-    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
-}
-
-TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsNotSpecifiedAndIsACursor_ReturnsTouchPad) {
-    mFakeEventHub->addRelativeAxis(EVENTHUB_ID, REL_X);
-    mFakeEventHub->addRelativeAxis(EVENTHUB_ID, REL_Y);
-    prepareButtons();
-    prepareAxes(POSITION);
-    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-
-    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
-}
-
-TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchPad_ReturnsTouchPad) {
-    prepareButtons();
-    prepareAxes(POSITION);
-    addConfigurationProperty("touch.deviceType", "touchPad");
-    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-
-    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 }
 
 TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchScreen_ReturnsTouchScreen) {
@@ -5447,7 +4982,7 @@ TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchScreen_Return
 
 TEST_F(SingleTouchInputMapperTest, GetKeyCodeState) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5475,7 +5010,7 @@ TEST_F(SingleTouchInputMapperTest, GetKeyCodeState) {
 
 TEST_F(SingleTouchInputMapperTest, GetScanCodeState) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5503,22 +5038,22 @@ TEST_F(SingleTouchInputMapperTest, GetScanCodeState) {
 
 TEST_F(SingleTouchInputMapperTest, MarkSupportedKeyCodes) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
 
-    const int32_t keys[2] = { AKEYCODE_HOME, AKEYCODE_A };
     uint8_t flags[2] = { 0, 0 };
-    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, 2, keys, flags));
+    ASSERT_TRUE(
+            mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, {AKEYCODE_HOME, AKEYCODE_A}, flags));
     ASSERT_TRUE(flags[0]);
     ASSERT_FALSE(flags[1]);
 }
 
 TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndReleasedNormally_SendsKeyDownAndKeyUp) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5568,7 +5103,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndReleasedNor
 
 TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndMovedOutOfBounds_SendsKeyDownAndKeyCancel) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5689,7 +5224,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndMovedOutOfB
 
 TEST_F(SingleTouchInputMapperTest, Process_WhenTouchStartsOutsideDisplayAndMovesIn_SendsDownAsTouchEntersDisplay) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5764,7 +5299,7 @@ TEST_F(SingleTouchInputMapperTest, Process_NormalSingleTouchGesture_VirtualDispl
     addConfigurationProperty("touch.deviceType", "touchScreen");
     addConfigurationProperty("touch.displayId", VIRTUAL_DISPLAY_UNIQUE_ID);
 
-    prepareVirtualDisplay(DISPLAY_ORIENTATION_0);
+    prepareVirtualDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5860,7 +5395,7 @@ TEST_F(SingleTouchInputMapperTest, Process_NormalSingleTouchGesture_VirtualDispl
 
 TEST_F(SingleTouchInputMapperTest, Process_NormalSingleTouchGesture) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     prepareVirtualKeys();
@@ -5959,7 +5494,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationAware_DoesNotRotateMot
     NotifyMotionArgs args;
 
     // Rotation 90.
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     processDown(mapper, toRawX(50), toRawY(75));
     processSync(mapper);
 
@@ -5985,7 +5520,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenNotOrientationAware_RotatesMotion
 
     // Rotation 0.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     processDown(mapper, toRawX(50), toRawY(75));
     processSync(mapper);
 
@@ -5999,7 +5534,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenNotOrientationAware_RotatesMotion
 
     // Rotation 90.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     processDown(mapper, toRawX(75), RAW_Y_MAX - toRawY(50) + RAW_Y_MIN);
     processSync(mapper);
 
@@ -6013,7 +5548,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenNotOrientationAware_RotatesMotion
 
     // Rotation 180.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_180);
+    prepareDisplay(ui::ROTATION_180);
     processDown(mapper, RAW_X_MAX - toRawX(50) + RAW_X_MIN, RAW_Y_MAX - toRawY(75) + RAW_Y_MIN);
     processSync(mapper);
 
@@ -6027,7 +5562,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenNotOrientationAware_RotatesMotion
 
     // Rotation 270.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_270);
+    prepareDisplay(ui::ROTATION_270);
     processDown(mapper, RAW_X_MAX - toRawX(75) + RAW_X_MIN, toRawY(50));
     processSync(mapper);
 
@@ -6047,7 +5582,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientation0_RotatesMotions) {
     addConfigurationProperty("touch.orientationAware", "1");
     addConfigurationProperty("touch.orientation", "ORIENTATION_0");
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     auto& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
     NotifyMotionArgs args;
 
@@ -6071,7 +5606,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientation90_RotatesMotions) {
     addConfigurationProperty("touch.orientationAware", "1");
     addConfigurationProperty("touch.orientation", "ORIENTATION_90");
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     auto& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
     NotifyMotionArgs args;
 
@@ -6095,7 +5630,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientation180_RotatesMotions) {
     addConfigurationProperty("touch.orientationAware", "1");
     addConfigurationProperty("touch.orientation", "ORIENTATION_180");
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     auto& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
     NotifyMotionArgs args;
 
@@ -6119,7 +5654,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientation270_RotatesMotions) {
     addConfigurationProperty("touch.orientationAware", "1");
     addConfigurationProperty("touch.orientation", "ORIENTATION_270");
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     auto& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
     NotifyMotionArgs args;
 
@@ -6150,7 +5685,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationSpecified_RotatesMotio
 
     // Orientation 90, Rotation 0.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     processDown(mapper, RAW_X_MAX - toRotatedRawX(75) + RAW_X_MIN, toRotatedRawY(50));
     processSync(mapper);
 
@@ -6164,7 +5699,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationSpecified_RotatesMotio
 
     // Orientation 90, Rotation 90.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     processDown(mapper, toRotatedRawX(50), toRotatedRawY(75));
     processSync(mapper);
 
@@ -6178,7 +5713,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationSpecified_RotatesMotio
 
     // Orientation 90, Rotation 180.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_180);
+    prepareDisplay(ui::ROTATION_180);
     processDown(mapper, toRotatedRawX(75), RAW_Y_MAX - toRotatedRawY(50) + RAW_Y_MIN);
     processSync(mapper);
 
@@ -6192,7 +5727,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationSpecified_RotatesMotio
 
     // Orientation 90, Rotation 270.
     clearViewports();
-    prepareDisplay(DISPLAY_ORIENTATION_270);
+    prepareDisplay(ui::ROTATION_270);
     processDown(mapper, RAW_X_MAX - toRotatedRawX(50) + RAW_X_MIN,
                 RAW_Y_MAX - toRotatedRawY(75) + RAW_Y_MIN);
     processSync(mapper);
@@ -6208,7 +5743,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenOrientationSpecified_RotatesMotio
 
 TEST_F(SingleTouchInputMapperTest, Process_AllAxes_DefaultCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION | PRESSURE | TOOL | DISTANCE | TILT);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
@@ -6252,7 +5787,7 @@ TEST_F(SingleTouchInputMapperTest, Process_AllAxes_DefaultCalibration) {
 
 TEST_F(SingleTouchInputMapperTest, Process_XYAxes_AffineCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareLocationCalibration();
     prepareButtons();
     prepareAxes(POSITION);
@@ -6275,7 +5810,7 @@ TEST_F(SingleTouchInputMapperTest, Process_XYAxes_AffineCalibration) {
 
 TEST_F(SingleTouchInputMapperTest, Process_ShouldHandleAllButtons) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
@@ -6518,7 +6053,7 @@ TEST_F(SingleTouchInputMapperTest, Process_ShouldHandleAllButtons) {
 
 TEST_F(SingleTouchInputMapperTest, Process_ShouldHandleAllToolTypes) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
@@ -6653,7 +6188,7 @@ TEST_F(SingleTouchInputMapperTest, Process_ShouldHandleAllToolTypes) {
 
 TEST_F(SingleTouchInputMapperTest, Process_WhenBtnTouchPresent_HoversIfItsValueIsZero) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOOL_FINGER, 0, AKEYCODE_UNKNOWN, 0);
@@ -6725,7 +6260,7 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenBtnTouchPresent_HoversIfItsValueI
 
 TEST_F(SingleTouchInputMapperTest, Process_WhenAbsPressureIsPresent_HoversIfItsValueIsZero) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION | PRESSURE);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
@@ -6794,13 +6329,34 @@ TEST_F(SingleTouchInputMapperTest, Process_WhenAbsPressureIsPresent_HoversIfItsV
             toDisplayX(150), toDisplayY(250), 0, 0, 0, 0, 0, 0, 0, 0));
 }
 
+TEST_F(SingleTouchInputMapperTest, Reset_CancelsOngoingGesture) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(ui::ROTATION_0);
+    prepareButtons();
+    prepareAxes(POSITION | PRESSURE);
+    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
+
+    // Touch down.
+    processDown(mapper, 100, 200);
+    processPressure(mapper, 1);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
+
+    // Reset the mapper. This should cancel the ongoing gesture.
+    resetMapper(mapper, ARBITRARY_TIME);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_CANCEL)));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
 TEST_F(SingleTouchInputMapperTest, Reset_RecreatesTouchState) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION | PRESSURE);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-    NotifyMotionArgs motionArgs;
 
     // Set the initial state for the touch pointer.
     mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_X, 100);
@@ -6809,80 +6365,30 @@ TEST_F(SingleTouchInputMapperTest, Reset_RecreatesTouchState) {
     mFakeEventHub->setScanCodeState(EVENTHUB_ID, BTN_TOUCH, 1);
 
     // Reset the mapper. When the mapper is reset, we expect it to attempt to recreate the touch
-    // state by reading the current axis values.
-    mapper.reset(ARBITRARY_TIME);
+    // state by reading the current axis values. Since there was no ongoing gesture, calling reset
+    // does not generate any events.
+    resetMapper(mapper, ARBITRARY_TIME);
 
     // Send a sync to simulate an empty touch frame where nothing changes. The mapper should use
     // the recreated touch state to generate a down event.
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
-
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
-}
-
-TEST_F(SingleTouchInputMapperTest, WhenViewportActiveStatusChanged_PointerGestureIsReset) {
-    std::shared_ptr<FakePointerController> fakePointerController =
-            std::make_shared<FakePointerController>();
-    fakePointerController->setBounds(0, 0, DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1);
-    fakePointerController->setPosition(100, 200);
-    fakePointerController->setButtonState(0);
-    mFakePolicy->setPointerController(fakePointerController);
-
-    addConfigurationProperty("touch.deviceType", "pointer");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
-    prepareButtons();
-    mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOOL_PEN, 0, AKEYCODE_UNKNOWN, 0);
-    prepareAxes(POSITION);
-    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled());
-
-    // Start a stylus gesture.
-    processKey(mapper, BTN_TOOL_PEN, 1);
-    processDown(mapper, 100, 200);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_DOWN),
-                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
-                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
-    // TODO(b/257078296): Pointer mode generates extra event.
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_MOVE),
-                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
-                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithPressure(1.f))));
 
-    // Make the viewport inactive. This will put the device in disabled mode, and the ongoing stylus
-    // gesture should be disabled.
-    auto viewport = mFakePolicy->getDisplayViewportByType(ViewportType::INTERNAL);
-    viewport->isActive = false;
-    mFakePolicy->updateViewport(*viewport);
-    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_CANCEL),
-                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
-                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
-    // TODO(b/257078296): Pointer mode generates extra event.
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_CANCEL),
-                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
-                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 }
 
 TEST_F(SingleTouchInputMapperTest,
        Process_WhenViewportDisplayIdChanged_TouchIsCanceledAndDeviceIsReset) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
     NotifyMotionArgs motionArgs;
 
     // Down.
-    int32_t x = 100;
-    int32_t y = 200;
-    processDown(mapper, x, y);
+    processDown(mapper, 100, 200);
     processSync(mapper);
 
     // We should receive a down event
@@ -6903,7 +6409,7 @@ TEST_F(SingleTouchInputMapperTest,
 TEST_F(SingleTouchInputMapperTest,
        Process_WhenViewportActiveStatusChanged_TouchIsCanceledAndDeviceIsReset) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareButtons();
     prepareAxes(POSITION);
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
@@ -6953,14 +6459,52 @@ TEST_F(SingleTouchInputMapperTest,
 
     // In the next sync, the touch state that was recreated when the device was reset is reported.
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
 
     // No more events.
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasNotCalled());
 }
 
+TEST_F(SingleTouchInputMapperTest, ButtonIsReleasedOnTouchUp) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(ui::ROTATION_0);
+    prepareButtons();
+    prepareAxes(POSITION);
+    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled());
+
+    // Press a stylus button.
+    processKey(mapper, BTN_STYLUS, 1);
+    processSync(mapper);
+
+    // Start a touch gesture and ensure the BUTTON_PRESS event is generated.
+    processDown(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithCoords(toDisplayX(100), toDisplayY(200)),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithCoords(toDisplayX(100), toDisplayY(200)),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    // Release the touch gesture. Ensure that the BUTTON_RELEASE event is generated even though
+    // the button has not actually been released, since there will be no pointers through which the
+    // button state can be reported. The event is generated at the location of the pointer before
+    // it went up.
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
+                  WithCoords(toDisplayX(100), toDisplayY(200)), WithButtonState(0))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithCoords(toDisplayX(100), toDisplayY(200)), WithButtonState(0))));
+}
+
 // --- TouchDisplayProjectionTest ---
 
 class TouchDisplayProjectionTest : public SingleTouchInputMapperTest {
@@ -6968,27 +6512,25 @@ public:
     // The values inside DisplayViewport are expected to be pre-rotated. This updates the current
     // DisplayViewport to pre-rotate the values. The viewport's physical display will be set to the
     // rotated equivalent of the given un-rotated physical display bounds.
-    void configurePhysicalDisplay(int32_t orientation, Rect naturalPhysicalDisplay) {
+    void configurePhysicalDisplay(ui::Rotation orientation, Rect naturalPhysicalDisplay) {
         uint32_t inverseRotationFlags;
         auto width = DISPLAY_WIDTH;
         auto height = DISPLAY_HEIGHT;
         switch (orientation) {
-            case DISPLAY_ORIENTATION_90:
+            case ui::ROTATION_90:
                 inverseRotationFlags = ui::Transform::ROT_270;
                 std::swap(width, height);
                 break;
-            case DISPLAY_ORIENTATION_180:
+            case ui::ROTATION_180:
                 inverseRotationFlags = ui::Transform::ROT_180;
                 break;
-            case DISPLAY_ORIENTATION_270:
+            case ui::ROTATION_270:
                 inverseRotationFlags = ui::Transform::ROT_90;
                 std::swap(width, height);
                 break;
-            case DISPLAY_ORIENTATION_0:
+            case ui::ROTATION_0:
                 inverseRotationFlags = ui::Transform::ROT_0;
                 break;
-            default:
-                FAIL() << "Invalid orientation: " << orientation;
         }
 
         const ui::Transform rotation(inverseRotationFlags, width, height);
@@ -7032,7 +6574,7 @@ public:
 
 TEST_F(TouchDisplayProjectionTest, IgnoresTouchesOutsidePhysicalDisplay) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
 
     prepareButtons();
     prepareAxes(POSITION);
@@ -7047,8 +6589,7 @@ TEST_F(TouchDisplayProjectionTest, IgnoresTouchesOutsidePhysicalDisplay) {
     static const std::array<Point, 6> kPointsOutsidePhysicalDisplay{
             {{-10, -10}, {0, 0}, {5, 100}, {50, 15}, {75, 100}, {50, 165}}};
 
-    for (auto orientation : {DISPLAY_ORIENTATION_0, DISPLAY_ORIENTATION_90, DISPLAY_ORIENTATION_180,
-                             DISPLAY_ORIENTATION_270}) {
+    for (auto orientation : {ui::ROTATION_0, ui::ROTATION_90, ui::ROTATION_180, ui::ROTATION_270}) {
         configurePhysicalDisplay(orientation, kPhysicalDisplay);
 
         // Touches outside the physical display should be ignored, and should not generate any
@@ -7068,7 +6609,7 @@ TEST_F(TouchDisplayProjectionTest, IgnoresTouchesOutsidePhysicalDisplay) {
 
 TEST_F(TouchDisplayProjectionTest, EmitsTouchDownAfterEnteringPhysicalDisplay) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
 
     prepareButtons();
     prepareAxes(POSITION);
@@ -7081,8 +6622,7 @@ TEST_F(TouchDisplayProjectionTest, EmitsTouchDownAfterEnteringPhysicalDisplay) {
     // points (10, 20) and (70, 160) inside the display space, which is of the size 400 x 800.
     static const Rect kPhysicalDisplay{10, 20, 70, 160};
 
-    for (auto orientation : {DISPLAY_ORIENTATION_0, DISPLAY_ORIENTATION_90, DISPLAY_ORIENTATION_180,
-                             DISPLAY_ORIENTATION_270}) {
+    for (auto orientation : {ui::ROTATION_0, ui::ROTATION_90, ui::ROTATION_180, ui::ROTATION_270}) {
         configurePhysicalDisplay(orientation, kPhysicalDisplay);
 
         // Touches that start outside the physical display should be ignored until it enters the
@@ -7127,6 +6667,360 @@ TEST_F(TouchDisplayProjectionTest, EmitsTouchDownAfterEnteringPhysicalDisplay) {
     }
 }
 
+// --- ExternalStylusFusionTest ---
+
+class ExternalStylusFusionTest : public SingleTouchInputMapperTest {
+public:
+    SingleTouchInputMapper& initializeInputMapperWithExternalStylus() {
+        addConfigurationProperty("touch.deviceType", "touchScreen");
+        prepareDisplay(ui::ROTATION_0);
+        prepareButtons();
+        prepareAxes(POSITION);
+        auto& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
+
+        mStylusState.when = ARBITRARY_TIME;
+        mStylusState.pressure = 0.f;
+        mStylusState.toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+        mReader->getContext()->setExternalStylusDevices({mExternalStylusDeviceInfo});
+        configureDevice(InputReaderConfiguration::CHANGE_EXTERNAL_STYLUS_PRESENCE);
+        processExternalStylusState(mapper);
+        return mapper;
+    }
+
+    std::list<NotifyArgs> processExternalStylusState(InputMapper& mapper) {
+        std::list<NotifyArgs> generatedArgs = mapper.updateExternalStylusState(mStylusState);
+        for (const NotifyArgs& args : generatedArgs) {
+            mFakeListener->notify(args);
+        }
+        // Loop the reader to flush the input listener queue.
+        mReader->loopOnce();
+        return generatedArgs;
+    }
+
+protected:
+    StylusState mStylusState{};
+    static constexpr uint32_t EXPECTED_SOURCE =
+            AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_BLUETOOTH_STYLUS;
+
+    void testStartFusedStylusGesture(SingleTouchInputMapper& mapper) {
+        auto toolTypeSource =
+                AllOf(WithSource(EXPECTED_SOURCE), WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS));
+
+        // The first pointer is withheld.
+        processDown(mapper, 100, 200);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasRequested(
+                ARBITRARY_TIME + EXTERNAL_STYLUS_DATA_TIMEOUT));
+
+        // The external stylus reports pressure. The withheld finger pointer is released as a
+        // stylus.
+        mStylusState.pressure = 1.f;
+        processExternalStylusState(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_DOWN))));
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+        // Subsequent pointer events are not withheld.
+        processMove(mapper, 101, 201);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE))));
+
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    }
+
+    void testSuccessfulFusionGesture(SingleTouchInputMapper& mapper) {
+        ASSERT_NO_FATAL_FAILURE(testStartFusedStylusGesture(mapper));
+
+        // Releasing the touch pointer ends the gesture.
+        processUp(mapper);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP), WithSource(EXPECTED_SOURCE),
+                      WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+
+        mStylusState.pressure = 0.f;
+        processExternalStylusState(mapper);
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    }
+
+    void testUnsuccessfulFusionGesture(SingleTouchInputMapper& mapper) {
+        auto toolTypeSource =
+                AllOf(WithSource(EXPECTED_SOURCE), WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER));
+
+        // The first pointer is withheld when an external stylus is connected,
+        // and a timeout is requested.
+        processDown(mapper, 100, 200);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasRequested(
+                ARBITRARY_TIME + EXTERNAL_STYLUS_DATA_TIMEOUT));
+
+        // If the timeout expires early, it is requested again.
+        handleTimeout(mapper, ARBITRARY_TIME + 1);
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasRequested(
+                ARBITRARY_TIME + EXTERNAL_STYLUS_DATA_TIMEOUT));
+
+        // When the timeout expires, the withheld touch is released as a finger pointer.
+        handleTimeout(mapper, ARBITRARY_TIME + EXTERNAL_STYLUS_DATA_TIMEOUT);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_DOWN))));
+
+        // Subsequent pointer events are not withheld.
+        processMove(mapper, 101, 201);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE))));
+        processUp(mapper);
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_UP))));
+
+        ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    }
+
+private:
+    InputDeviceInfo mExternalStylusDeviceInfo{};
+};
+
+TEST_F(ExternalStylusFusionTest, UsesBluetoothStylusSource) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    ASSERT_EQ(EXPECTED_SOURCE, mapper.getSources());
+}
+
+TEST_F(ExternalStylusFusionTest, UnsuccessfulFusion) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    ASSERT_NO_FATAL_FAILURE(testUnsuccessfulFusionGesture(mapper));
+}
+
+TEST_F(ExternalStylusFusionTest, SuccessfulFusion_TouchFirst) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    ASSERT_NO_FATAL_FAILURE(testSuccessfulFusionGesture(mapper));
+}
+
+// Test a successful stylus fusion gesture where the pressure is reported by the external
+// before the touch is reported by the touchscreen.
+TEST_F(ExternalStylusFusionTest, SuccessfulFusion_PressureFirst) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    auto toolTypeSource =
+            AllOf(WithSource(EXPECTED_SOURCE), WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS));
+
+    // The external stylus reports pressure first. It is ignored for now.
+    mStylusState.pressure = 1.f;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // When the touch goes down afterwards, it is reported as a stylus pointer.
+    processDown(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_DOWN))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    processMove(mapper, 101, 201);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE))));
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_UP))));
+
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(ExternalStylusFusionTest, FusionIsRepeatedForEachNewGesture) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+
+    ASSERT_NO_FATAL_FAILURE(testSuccessfulFusionGesture(mapper));
+    ASSERT_NO_FATAL_FAILURE(testUnsuccessfulFusionGesture(mapper));
+
+    ASSERT_NO_FATAL_FAILURE(testSuccessfulFusionGesture(mapper));
+    ASSERT_NO_FATAL_FAILURE(testSuccessfulFusionGesture(mapper));
+    ASSERT_NO_FATAL_FAILURE(testUnsuccessfulFusionGesture(mapper));
+    ASSERT_NO_FATAL_FAILURE(testUnsuccessfulFusionGesture(mapper));
+}
+
+TEST_F(ExternalStylusFusionTest, FusedPointerReportsPressureChanges) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    auto toolTypeSource =
+            AllOf(WithSource(EXPECTED_SOURCE), WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS));
+
+    mStylusState.pressure = 0.8f;
+    processExternalStylusState(mapper);
+    processDown(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithPressure(0.8f))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // The external stylus reports a pressure change. We wait for some time for a touch event.
+    mStylusState.pressure = 0.6f;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is reported within the timeout, it reports the updated pressure.
+    processMove(mapper, 101, 201);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithPressure(0.6f))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // There is another pressure change.
+    mStylusState.pressure = 0.5f;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is not reported within the timeout, a move event is generated to report
+    // the new pressure.
+    handleTimeout(mapper, ARBITRARY_TIME + TOUCH_DATA_TIMEOUT);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithPressure(0.5f))));
+
+    // If a zero pressure is reported before the touch goes up, the previous pressure value is
+    // repeated indefinitely.
+    mStylusState.pressure = 0.0f;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+    processMove(mapper, 102, 202);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithPressure(0.5f))));
+    processMove(mapper, 103, 203);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithPressure(0.5f))));
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP), WithSource(EXPECTED_SOURCE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(ExternalStylusFusionTest, FusedPointerReportsToolTypeChanges) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    auto source = WithSource(EXPECTED_SOURCE);
+
+    mStylusState.pressure = 1.f;
+    mStylusState.toolType = AMOTION_EVENT_TOOL_TYPE_ERASER;
+    processExternalStylusState(mapper);
+    processDown(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(source, WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_ERASER))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // The external stylus reports a tool change. We wait for some time for a touch event.
+    mStylusState.toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is reported within the timeout, it reports the updated pressure.
+    processMove(mapper, 101, 201);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(source, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // There is another tool type change.
+    mStylusState.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is not reported within the timeout, a move event is generated to report
+    // the new tool type.
+    handleTimeout(mapper, ARBITRARY_TIME + TOUCH_DATA_TIMEOUT);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(source, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER))));
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(source, WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_FINGER))));
+
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(ExternalStylusFusionTest, FusedPointerReportsButtons) {
+    SingleTouchInputMapper& mapper = initializeInputMapperWithExternalStylus();
+    auto toolTypeSource =
+            AllOf(WithSource(EXPECTED_SOURCE), WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS));
+
+    ASSERT_NO_FATAL_FAILURE(testStartFusedStylusGesture(mapper));
+
+    // The external stylus reports a button change. We wait for some time for a touch event.
+    mStylusState.buttons = AMOTION_EVENT_BUTTON_STYLUS_PRIMARY;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is reported within the timeout, it reports the updated button state.
+    processMove(mapper, 101, 201);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+
+    // The button is now released.
+    mStylusState.buttons = 0;
+    processExternalStylusState(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(
+            mReader->getContext()->assertTimeoutWasRequested(ARBITRARY_TIME + TOUCH_DATA_TIMEOUT));
+
+    // If a touch is not reported within the timeout, a move event is generated to report
+    // the new button state.
+    handleTimeout(mapper, ARBITRARY_TIME + TOUCH_DATA_TIMEOUT);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
+                  WithButtonState(0))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithButtonState(0))));
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(toolTypeSource, WithMotionAction(AMOTION_EVENT_ACTION_UP), WithButtonState(0))));
+
+    ASSERT_NO_FATAL_FAILURE(mReader->getContext()->assertTimeoutWasNotRequested());
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
 // --- MultiTouchInputMapperTest ---
 
 class MultiTouchInputMapperTest : public TouchInputMapperTest {
@@ -7145,8 +7039,10 @@ protected:
     void processSlot(MultiTouchInputMapper& mapper, int32_t slot);
     void processToolType(MultiTouchInputMapper& mapper, int32_t toolType);
     void processKey(MultiTouchInputMapper& mapper, int32_t code, int32_t value);
+    void processHidUsage(MultiTouchInputMapper& mapper, int32_t usageCode, int32_t value);
     void processMTSync(MultiTouchInputMapper& mapper);
-    void processSync(MultiTouchInputMapper& mapper);
+    void processSync(MultiTouchInputMapper& mapper, nsecs_t eventTime = ARBITRARY_TIME,
+                     nsecs_t readTime = READ_TIME);
 };
 
 void MultiTouchInputMapperTest::prepareAxes(int axes) {
@@ -7249,17 +7145,24 @@ void MultiTouchInputMapperTest::processKey(MultiTouchInputMapper& mapper, int32_
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, code, value);
 }
 
+void MultiTouchInputMapperTest::processHidUsage(MultiTouchInputMapper& mapper, int32_t usageCode,
+                                                int32_t value) {
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_MSC, MSC_SCAN, usageCode);
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_UNKNOWN, value);
+}
+
 void MultiTouchInputMapperTest::processMTSync(MultiTouchInputMapper& mapper) {
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_MT_REPORT, 0);
 }
 
-void MultiTouchInputMapperTest::processSync(MultiTouchInputMapper& mapper) {
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
+void MultiTouchInputMapperTest::processSync(MultiTouchInputMapper& mapper, nsecs_t eventTime,
+                                            nsecs_t readTime) {
+    process(mapper, eventTime, readTime, EV_SYN, SYN_REPORT, 0);
 }
 
 TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithoutTrackingIds) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION);
     prepareVirtualKeys();
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -7531,7 +7434,7 @@ TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithoutTrackin
 
 TEST_F(MultiTouchInputMapperTest, AxisResolution_IsPopulated) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
 
     mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX, /*flat*/ 0,
                                    /*fuzz*/ 0, /*resolution*/ 10);
@@ -7561,7 +7464,7 @@ TEST_F(MultiTouchInputMapperTest, AxisResolution_IsPopulated) {
 
 TEST_F(MultiTouchInputMapperTest, TouchMajorAndMinorAxes_DoNotAppearIfNotSupported) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
 
     mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX, /*flat*/ 0,
                                    /*fuzz*/ 0, /*resolution*/ 10);
@@ -7582,7 +7485,7 @@ TEST_F(MultiTouchInputMapperTest, TouchMajorAndMinorAxes_DoNotAppearIfNotSupport
 
 TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithTrackingIds) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID);
     prepareVirtualKeys();
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -7753,7 +7656,7 @@ TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithTrackingId
 
 TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithSlots) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     prepareVirtualKeys();
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -7919,7 +7822,7 @@ TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithSlots) {
 
 TEST_F(MultiTouchInputMapperTest, Process_AllAxes_WithDefaultCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | TOUCH | TOOL | PRESSURE | ORIENTATION | ID | MINOR | DISTANCE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -7968,7 +7871,7 @@ TEST_F(MultiTouchInputMapperTest, Process_AllAxes_WithDefaultCalibration) {
 
 TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_GeometricCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | TOUCH | TOOL | MINOR);
     addConfigurationProperty("touch.size.calibration", "geometric");
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -8005,7 +7908,7 @@ TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_GeometricCalibration)
 
 TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_SummedLinearCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | TOUCH | TOOL);
     addConfigurationProperty("touch.size.calibration", "diameter");
     addConfigurationProperty("touch.size.scale", "10");
@@ -8056,7 +7959,7 @@ TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_SummedLinearCalibrati
 
 TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_AreaCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | TOUCH | TOOL);
     addConfigurationProperty("touch.size.calibration", "area");
     addConfigurationProperty("touch.size.scale", "43");
@@ -8089,7 +7992,7 @@ TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_AreaCalibration) {
 
 TEST_F(MultiTouchInputMapperTest, Process_PressureAxis_AmplitudeCalibration) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | PRESSURE);
     addConfigurationProperty("touch.pressure.calibration", "amplitude");
     addConfigurationProperty("touch.pressure.scale", "0.01");
@@ -8123,7 +8026,7 @@ TEST_F(MultiTouchInputMapperTest, Process_PressureAxis_AmplitudeCalibration) {
 
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleAllButtons) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -8364,9 +8267,66 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleAllButtons) {
     ASSERT_EQ(0, motionArgs.buttonState);
 }
 
+TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleMappedStylusButtons) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(ui::ROTATION_0);
+    prepareAxes(POSITION | ID | SLOT);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_A, 0, AKEYCODE_STYLUS_BUTTON_PRIMARY, 0);
+    mFakeEventHub->addKey(EVENTHUB_ID, 0, 0xabcd, AKEYCODE_STYLUS_BUTTON_SECONDARY, 0);
+
+    // Touch down.
+    processId(mapper, 1);
+    processPosition(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithButtonState(0))));
+
+    // Press and release button mapped to the primary stylus button.
+    processKey(mapper, BTN_A, 1);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY))));
+
+    processKey(mapper, BTN_A, 0);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE), WithButtonState(0))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE), WithButtonState(0))));
+
+    // Press and release the HID usage mapped to the secondary stylus button.
+    processHidUsage(mapper, 0xabcd, 1);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_SECONDARY))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
+                  WithButtonState(AMOTION_EVENT_BUTTON_STYLUS_SECONDARY))));
+
+    processHidUsage(mapper, 0xabcd, 0);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE), WithButtonState(0))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE), WithButtonState(0))));
+
+    // Release touch.
+    processId(mapper, -1);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP), WithButtonState(0))));
+}
+
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleAllToolTypes) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -8516,7 +8476,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleAllToolTypes) {
 
 TEST_F(MultiTouchInputMapperTest, Process_WhenBtnTouchPresent_HoversIfItsValueIsZero) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -8587,7 +8547,7 @@ TEST_F(MultiTouchInputMapperTest, Process_WhenBtnTouchPresent_HoversIfItsValueIs
 
 TEST_F(MultiTouchInputMapperTest, Process_WhenAbsMTPressureIsPresent_HoversIfItsValueIsZero) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | PRESSURE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -8687,7 +8647,7 @@ TEST_F(MultiTouchInputMapperTest, Configure_AssignsDisplayPort) {
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 
     // Add viewport for display 1 on hdmi1
-    prepareDisplay(DISPLAY_ORIENTATION_0, hdmi1);
+    prepareDisplay(ui::ROTATION_0, hdmi1);
     // Send a touch event again
     processPosition(mapper, 100, 100);
     processSync(mapper);
@@ -8704,8 +8664,8 @@ TEST_F(MultiTouchInputMapperTest, Configure_AssignsDisplayUniqueId) {
 
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, VIRTUAL_DISPLAY_UNIQUE_ID);
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
-    prepareVirtualDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
+    prepareVirtualDisplay(ui::ROTATION_0);
 
     // Send a touch event
     processPosition(mapper, 100, 100);
@@ -8728,12 +8688,12 @@ TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShouldHandleDisplayId) {
     mFakePolicy->setDefaultPointerDisplayId(SECONDARY_DISPLAY_ID);
     prepareSecondaryDisplay(ViewportType::EXTERNAL);
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    // Check source is mouse that would obtain the PointerController.
-    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
+    // Check source is a touchpad that would obtain the PointerController.
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 
     NotifyMotionArgs motionArgs;
     processPosition(mapper, 100, 100);
@@ -8752,7 +8712,7 @@ TEST_F(MultiTouchInputMapperTest, Process_SendsReadTime) {
     prepareAxes(POSITION);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     process(mapper, 10, 11 /*readTime*/, EV_ABS, ABS_MT_TRACKING_ID, 1);
     process(mapper, 15, 16 /*readTime*/, EV_ABS, ABS_MT_POSITION_X, 100);
     process(mapper, 20, 21 /*readTime*/, EV_ABS, ABS_MT_POSITION_Y, 100);
@@ -8776,9 +8736,9 @@ TEST_F(MultiTouchInputMapperTest, Process_SendsReadTime) {
  */
 TEST_F(MultiTouchInputMapperTest, WhenViewportIsNotActive_TouchesAreDropped) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, false /*isActive*/, UNIQUE_ID, NO_PORT,
-                                    ViewportType::INTERNAL);
+    // Don't set touch.enableForInactiveViewport to verify the default behavior.
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    false /*isActive*/, UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
     configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     prepareAxes(POSITION);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
@@ -8790,11 +8750,32 @@ TEST_F(MultiTouchInputMapperTest, WhenViewportIsNotActive_TouchesAreDropped) {
     mFakeListener->assertNotifyMotionWasNotCalled();
 }
 
+/**
+ * When the viewport is not active (isActive=false) and touch.enableForInactiveViewport is true,
+ * the touch mapper can process the events and the events can be delivered to the listener.
+ */
+TEST_F(MultiTouchInputMapperTest, WhenViewportIsNotActive_TouchesAreProcessed) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    addConfigurationProperty("touch.enableForInactiveViewport", "1");
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    false /*isActive*/, UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
+    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    prepareAxes(POSITION);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    NotifyMotionArgs motionArgs;
+    processPosition(mapper, 100, 100);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    EXPECT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+}
+
 TEST_F(MultiTouchInputMapperTest, Process_DeactivateViewport_AbortTouches) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                    DISPLAY_ORIENTATION_0, true /*isActive*/, UNIQUE_ID, NO_PORT,
-                                    ViewportType::INTERNAL);
+    addConfigurationProperty("touch.enableForInactiveViewport", "0");
+    mFakePolicy->addDisplayViewport(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, ui::ROTATION_0,
+                                    true /*isActive*/, UNIQUE_ID, NO_PORT, ViewportType::INTERNAL);
     std::optional<DisplayViewport> optionalDisplayViewport =
             mFakePolicy->getDisplayViewportByUniqueId(UNIQUE_ID);
     ASSERT_TRUE(optionalDisplayViewport.has_value());
@@ -8870,8 +8851,10 @@ TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShowTouches) {
 
     // Setup the second touch screen device.
     MultiTouchInputMapper& mapper2 = device2->addMapper<MultiTouchInputMapper>(SECOND_EVENTHUB_ID);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Setup PointerController.
     std::shared_ptr<FakePointerController> fakePointerController =
@@ -8886,13 +8869,13 @@ TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShowTouches) {
     mFakePolicy->setShowTouches(true);
 
     // Create displays.
-    prepareDisplay(DISPLAY_ORIENTATION_0, hdmi1);
+    prepareDisplay(ui::ROTATION_0, hdmi1);
     prepareSecondaryDisplay(ViewportType::EXTERNAL, hdmi2);
 
     // Default device will reconfigure above, need additional reconfiguration for another device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO |
-                               InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO |
+                                         InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
 
     // Two fingers down at default display.
     int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
@@ -8922,8 +8905,8 @@ TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShowTouches) {
 
     // Disable the show touches configuration and ensure the spots are cleared.
     mFakePolicy->setShowTouches(false);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
 
     ASSERT_TRUE(fakePointerController->getSpots().empty());
 }
@@ -8931,7 +8914,7 @@ TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShowTouches) {
 TEST_F(MultiTouchInputMapperTest, VideoFrames_ReceivedByListener) {
     prepareAxes(POSITION);
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
     NotifyMotionArgs motionArgs;
@@ -8962,8 +8945,7 @@ TEST_F(MultiTouchInputMapperTest, VideoFrames_AreNotRotated) {
     NotifyMotionArgs motionArgs;
 
     // Test all 4 orientations
-    for (int32_t orientation : {DISPLAY_ORIENTATION_0, DISPLAY_ORIENTATION_90,
-                                DISPLAY_ORIENTATION_180, DISPLAY_ORIENTATION_270}) {
+    for (ui::Rotation orientation : ftl::enum_range<ui::Rotation>()) {
         SCOPED_TRACE("Orientation " + StringPrintf("%i", orientation));
         clearViewports();
         prepareDisplay(orientation);
@@ -8988,8 +8970,7 @@ TEST_F(MultiTouchInputMapperTest, VideoFrames_WhenNotOrientationAware_AreRotated
     NotifyMotionArgs motionArgs;
 
     // Test all 4 orientations
-    for (int32_t orientation : {DISPLAY_ORIENTATION_0, DISPLAY_ORIENTATION_90,
-             DISPLAY_ORIENTATION_180, DISPLAY_ORIENTATION_270}) {
+    for (ui::Rotation orientation : ftl::enum_range<ui::Rotation>()) {
         SCOPED_TRACE("Orientation " + StringPrintf("%i", orientation));
         clearViewports();
         prepareDisplay(orientation);
@@ -9023,7 +9004,7 @@ TEST_F(MultiTouchInputMapperTest, VideoFrames_MultipleFramesAreNotRotated) {
     std::vector<TouchVideoFrame> frames{frame1, frame2, frame3};
     NotifyMotionArgs motionArgs;
 
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     mFakeEventHub->setVideoFrames({{EVENTHUB_ID, frames}});
     processPosition(mapper, 100, 200);
     processSync(mapper);
@@ -9046,7 +9027,7 @@ TEST_F(MultiTouchInputMapperTest, VideoFrames_WhenNotOrientationAware_MultipleFr
     std::vector<TouchVideoFrame> frames{frame1, frame2, frame3};
     NotifyMotionArgs motionArgs;
 
-    prepareDisplay(DISPLAY_ORIENTATION_90);
+    prepareDisplay(ui::ROTATION_90);
     mFakeEventHub->setVideoFrames({{EVENTHUB_ID, frames}});
     processPosition(mapper, 100, 200);
     processSync(mapper);
@@ -9056,7 +9037,7 @@ TEST_F(MultiTouchInputMapperTest, VideoFrames_WhenNotOrientationAware_MultipleFr
         // compared to the display. This is so that when the window transform (which contains the
         // display rotation) is applied later by InputDispatcher, the coordinates end up in the
         // window's coordinate space.
-        frame.rotate(getInverseRotation(DISPLAY_ORIENTATION_90));
+        frame.rotate(getInverseRotation(ui::ROTATION_90));
     });
     ASSERT_EQ(frames, motionArgs.videoFrames);
 }
@@ -9093,7 +9074,7 @@ TEST_F(MultiTouchInputMapperTest, Configure_EnabledForAssociatedDisplay) {
 
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleSingleTouch) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9138,7 +9119,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleSingleTouch) {
  */
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_SinglePointer) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9186,7 +9167,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_SinglePointer
  */
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_TwoPointers) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9261,7 +9242,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_TwoPointers)
  */
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_ShouldCancelWhenAllTouchIsPalm) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9359,7 +9340,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_ShouldCancelW
  */
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_KeepFirstPointer) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | TOOL_TYPE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9431,7 +9412,7 @@ TEST_F(MultiTouchInputMapperTest, Process_ShouldHandlePalmToolType_KeepFirstPoin
  */
 TEST_F(MultiTouchInputMapperTest, Process_MultiTouch_WithInvalidTrackingId) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | PRESSURE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
@@ -9488,19 +9469,17 @@ TEST_F(MultiTouchInputMapperTest, Process_MultiTouch_WithInvalidTrackingId) {
 
 TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | PRESSURE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    NotifyMotionArgs motionArgs;
-
     // First finger down.
     processId(mapper, FIRST_TRACKING_ID);
     processPosition(mapper, 100, 200);
     processPressure(mapper, RAW_PRESSURE_MAX);
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
 
     // Second finger down.
     processSlot(mapper, SECOND_SLOT);
@@ -9509,50 +9488,47 @@ TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState) {
     processPressure(mapper, RAW_PRESSURE_MAX);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(
-            mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
+            mFakeListener->assertNotifyMotionWasCalled(WithMotionAction(ACTION_POINTER_1_DOWN)));
 
     // Reset the mapper. When the mapper is reset, we expect the current multi-touch state to be
-    // preserved. Resetting should not generate any events.
-    mapper.reset(ARBITRARY_TIME);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+    // preserved. Resetting should cancel the ongoing gesture.
+    resetMapper(mapper, ARBITRARY_TIME);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_CANCEL)));
 
     // Send a sync to simulate an empty touch frame where nothing changes. The mapper should use
     // the existing touch state to generate a down event.
     processPosition(mapper, 301, 302);
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithPressure(1.f))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(ACTION_POINTER_1_DOWN), WithPressure(1.f))));
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 }
 
 TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState_NoPointersDown) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT | PRESSURE);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    NotifyMotionArgs motionArgs;
-
     // First finger touches down and releases.
     processId(mapper, FIRST_TRACKING_ID);
     processPosition(mapper, 100, 200);
     processPressure(mapper, RAW_PRESSURE_MAX);
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
     processId(mapper, INVALID_TRACKING_ID);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(
-            mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+            mFakeListener->assertNotifyMotionWasCalled(WithMotionAction(AMOTION_EVENT_ACTION_UP)));
 
     // Reset the mapper. When the mapper is reset, we expect it to restore the latest
     // raw state where no pointers are down.
-    mapper.reset(ARBITRARY_TIME);
+    resetMapper(mapper, ARBITRARY_TIME);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 
     // Send an empty sync frame. Since there are no pointers, no events are generated.
@@ -9560,6 +9536,54 @@ TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState_NoPointersDown)
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 }
 
+TEST_F(MultiTouchInputMapperTest, StylusSourceIsAddedDynamicallyFromToolType) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(ui::ROTATION_0);
+    prepareAxes(POSITION | ID | SLOT | PRESSURE | TOOL_TYPE);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled());
+
+    // Even if the device supports reporting the ABS_MT_TOOL_TYPE axis, which could give it the
+    // ability to report MT_TOOL_PEN, we do not report the device as coming from a stylus source.
+    // Due to limitations in the evdev protocol, we cannot say for certain that a device is capable
+    // of reporting stylus events just because it supports ABS_MT_TOOL_TYPE.
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, mapper.getSources());
+
+    // However, if the device ever ends up reporting an event with MT_TOOL_PEN, it should be
+    // reported with the stylus source.
+    processId(mapper, FIRST_TRACKING_ID);
+    processToolType(mapper, MT_TOOL_PEN);
+    processPosition(mapper, 100, 200);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithSource(AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+
+    // Now that we know the device supports styluses, ensure that the device is re-configured with
+    // the stylus source.
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_STYLUS, mapper.getSources());
+    {
+        const auto& devices = mReader->getInputDevices();
+        auto deviceInfo =
+                std::find_if(devices.begin(), devices.end(),
+                             [](const InputDeviceInfo& info) { return info.getId() == DEVICE_ID; });
+        LOG_ALWAYS_FATAL_IF(deviceInfo == devices.end(), "Cannot find InputDevice");
+        ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_STYLUS, deviceInfo->getSources());
+    }
+
+    // Ensure the device was not reset to prevent interruptions of any ongoing gestures.
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasNotCalled());
+
+    processId(mapper, INVALID_TRACKING_ID);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithSource(AINPUT_SOURCE_TOUCHSCREEN | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+}
+
 // --- MultiTouchInputMapperTest_ExternalDevice ---
 
 class MultiTouchInputMapperTest_ExternalDevice : public MultiTouchInputMapperTest {
@@ -9573,7 +9597,7 @@ protected:
 TEST_F(MultiTouchInputMapperTest_ExternalDevice, Viewports_Fallback) {
     prepareAxes(POSITION);
     addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
     ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, mapper.getSources());
@@ -9604,7 +9628,7 @@ TEST_F(MultiTouchInputMapperTest, Process_TouchpadCapture) {
     fakePointerController->setButtonState(0);
 
     // prepare device and capture
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
@@ -9739,11 +9763,11 @@ TEST_F(MultiTouchInputMapperTest, Process_TouchpadCapture) {
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
     ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
 
-    // non captured touchpad should be a mouse source
+    // A non captured touchpad should have a mouse and touchpad source.
     mFakePolicy->setPointerCapture(false);
     configureDevice(InputReaderConfiguration::CHANGE_POINTER_CAPTURE);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
-    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 }
 
 TEST_F(MultiTouchInputMapperTest, Process_UnCapturedTouchpadPointer) {
@@ -9754,7 +9778,7 @@ TEST_F(MultiTouchInputMapperTest, Process_UnCapturedTouchpadPointer) {
     fakePointerController->setButtonState(0);
 
     // prepare device and capture
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
@@ -9795,22 +9819,418 @@ TEST_F(MultiTouchInputMapperTest, WhenCapturedAndNotCaptured_GetSources) {
     std::shared_ptr<FakePointerController> fakePointerController =
             std::make_shared<FakePointerController>();
 
-    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareDisplay(ui::ROTATION_0);
     prepareAxes(POSITION | ID | SLOT);
     mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
     mFakePolicy->setPointerController(fakePointerController);
     mFakePolicy->setPointerCapture(false);
     MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    // uncaptured touchpad should be a pointer device
-    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
+    // An uncaptured touchpad should be a pointer device, with additional touchpad source.
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 
-    // captured touchpad should be a touchpad device
+    // A captured touchpad should just have a touchpad source.
     mFakePolicy->setPointerCapture(true);
     configureDevice(InputReaderConfiguration::CHANGE_POINTER_CAPTURE);
     ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 }
 
+// --- BluetoothMultiTouchInputMapperTest ---
+
+class BluetoothMultiTouchInputMapperTest : public MultiTouchInputMapperTest {
+protected:
+    void SetUp() override {
+        InputMapperTest::SetUp(DEVICE_CLASSES | InputDeviceClass::EXTERNAL, BUS_BLUETOOTH);
+    }
+};
+
+TEST_F(BluetoothMultiTouchInputMapperTest, TimestampSmoothening) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(ui::ROTATION_0);
+    prepareAxes(POSITION | ID | SLOT | PRESSURE);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    nsecs_t kernelEventTime = ARBITRARY_TIME;
+    nsecs_t expectedEventTime = ARBITRARY_TIME;
+    // Touch down.
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, 100, 200);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper, ARBITRARY_TIME);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithEventTime(ARBITRARY_TIME))));
+
+    // Process several events that come in quick succession, according to their timestamps.
+    for (int i = 0; i < 3; i++) {
+        constexpr static nsecs_t delta = ms2ns(1);
+        static_assert(delta < MIN_BLUETOOTH_TIMESTAMP_DELTA);
+        kernelEventTime += delta;
+        expectedEventTime += MIN_BLUETOOTH_TIMESTAMP_DELTA;
+
+        processPosition(mapper, 101 + i, 201 + i);
+        processSync(mapper, kernelEventTime);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+                AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                      WithEventTime(expectedEventTime))));
+    }
+
+    // Release the touch.
+    processId(mapper, INVALID_TRACKING_ID);
+    processPressure(mapper, RAW_PRESSURE_MIN);
+    processSync(mapper, ARBITRARY_TIME + ms2ns(50));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_UP),
+                  WithEventTime(ARBITRARY_TIME + ms2ns(50)))));
+}
+
+// --- MultiTouchPointerModeTest ---
+
+class MultiTouchPointerModeTest : public MultiTouchInputMapperTest {
+protected:
+    float mPointerMovementScale;
+    float mPointerXZoomScale;
+    void preparePointerMode(int xAxisResolution, int yAxisResolution) {
+        addConfigurationProperty("touch.deviceType", "pointer");
+        std::shared_ptr<FakePointerController> fakePointerController =
+                std::make_shared<FakePointerController>();
+        fakePointerController->setBounds(0, 0, DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1);
+        fakePointerController->setPosition(0, 0);
+        fakePointerController->setButtonState(0);
+        prepareDisplay(ui::ROTATION_0);
+
+        prepareAxes(POSITION);
+        prepareAbsoluteAxisResolution(xAxisResolution, yAxisResolution);
+        // In order to enable swipe and freeform gesture in pointer mode, pointer capture
+        // needs to be disabled, and the pointer gesture needs to be enabled.
+        mFakePolicy->setPointerCapture(false);
+        mFakePolicy->setPointerGestureEnabled(true);
+        mFakePolicy->setPointerController(fakePointerController);
+
+        float rawDiagonal = hypotf(RAW_X_MAX - RAW_X_MIN, RAW_Y_MAX - RAW_Y_MIN);
+        float displayDiagonal = hypotf(DISPLAY_WIDTH, DISPLAY_HEIGHT);
+        mPointerMovementScale =
+                mFakePolicy->getPointerGestureMovementSpeedRatio() * displayDiagonal / rawDiagonal;
+        mPointerXZoomScale =
+                mFakePolicy->getPointerGestureZoomSpeedRatio() * displayDiagonal / rawDiagonal;
+    }
+
+    void prepareAbsoluteAxisResolution(int xAxisResolution, int yAxisResolution) {
+        mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX,
+                                       /*flat*/ 0,
+                                       /*fuzz*/ 0, /*resolution*/ xAxisResolution);
+        mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_Y, RAW_Y_MIN, RAW_Y_MAX,
+                                       /*flat*/ 0,
+                                       /*fuzz*/ 0, /*resolution*/ yAxisResolution);
+    }
+};
+
+/**
+ * Two fingers down on a pointer mode touch pad. The width
+ * of the two finger is larger than 1/4 of the touch pack diagnal length. However, it
+ * is smaller than the fixed min physical length 30mm. Two fingers' distance must
+ * be greater than the both value to be freeform gesture, so that after two
+ * fingers start to move downwards, the gesture should be swipe.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthSwipe) {
+    // The min freeform gesture width is 25units/mm x 30mm = 750
+    // which is greater than fraction of the diagnal length of the touchpad (349).
+    // Thus, MaxSwipWidth is 750.
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    // The two fingers are 450 units apart, expects the current gesture to be PRESS
+    // Pointer's initial position is used the [0,0] coordinate.
+    int32_t x1 = 100, y1 = 125, x2 = 550, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // It should be recognized as a SWIPE gesture when two fingers start to move down,
+    // that there should be 1 pointer.
+    int32_t movingDistance = 200;
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::TWO_FINGER_SWIPE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], 0,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+}
+
+/**
+ * Two fingers down on a pointer mode touch pad. The width of the two finger is larger
+ * than the minimum freeform gesture width, 30mm. However, it is smaller than 1/4 of
+ * the touch pack diagnal length. Two fingers' distance must be greater than the both
+ * value to be freeform gesture, so that after two fingers start to move downwards,
+ * the gesture should be swipe.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthLowResolutionSwipe) {
+    // The min freeform gesture width is 5units/mm x 30mm = 150
+    // which is greater than fraction of the diagnal length of the touchpad (349).
+    // Thus, MaxSwipWidth is the fraction of the diagnal length, 349.
+    preparePointerMode(5 /*xResolution*/, 5 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    // The two fingers are 250 units apart, expects the current gesture to be PRESS
+    // Pointer's initial position is used the [0,0] coordinate.
+    int32_t x1 = 100, y1 = 125, x2 = 350, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // It should be recognized as a SWIPE gesture when two fingers start to move down,
+    // and there should be 1 pointer.
+    int32_t movingDistance = 200;
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::TWO_FINGER_SWIPE, motionArgs.classification);
+    // New coordinate is the scaled relative coordinate from the initial coordinate.
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], 0,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+}
+
+/**
+ * Touch the touch pad with two fingers with a distance wider than the minimum freeform
+ * gesture width and 1/4 of the diagnal length of the touchpad. Expect to receive
+ * freeform gestures after two fingers start to move downwards.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthFreeform) {
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once. Wider than the max swipe width.
+    // The gesture is expected to be PRESS, then transformed to FREEFORM
+    int32_t x1 = 100, y1 = 125, x2 = 900, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    // One pointer for PRESS, and its coordinate is used as the origin for pointer coordinates.
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    int32_t movingDistance = 200;
+
+    // Move two fingers down, expect a cancel event because gesture is changing to freeform,
+    // then two down events for two pointers.
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    // The previous PRESS gesture is cancelled, because it is transformed to freeform
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_CANCEL, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_EQ(2U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN, motionArgs.action & AMOTION_EVENT_ACTION_MASK);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    // Two pointers' scaled relative coordinates from their initial centroid.
+    // Initial y coordinates are 0 as y1 and y2 have the same value.
+    float cookedX1 = (x1 - x2) / 2 * mPointerXZoomScale;
+    float cookedX2 = (x2 - x1) / 2 * mPointerXZoomScale;
+    // When pointers move,  the new coordinates equal to the initial coordinates plus
+    // scaled moving distance.
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], cookedX1,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1], cookedX2,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+
+    // Move two fingers down again, expect one MOVE motion event.
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(2U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], cookedX1,
+                                                movingDistance * 2 * mPointerMovementScale, 1, 0, 0,
+                                                0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1], cookedX2,
+                                                movingDistance * 2 * mPointerMovementScale, 1, 0, 0,
+                                                0, 0, 0, 0, 0));
+}
+
+TEST_F(MultiTouchPointerModeTest, TwoFingerSwipeOffsets) {
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    NotifyMotionArgs motionArgs;
+
+    // Place two fingers down.
+    int32_t x1 = 100, y1 = 125, x2 = 550, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_EQ(0, motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_GESTURE_X_OFFSET));
+    ASSERT_EQ(0, motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET));
+
+    // Move the two fingers down and to the left.
+    int32_t movingDistance = 200;
+    x1 -= movingDistance;
+    y1 += movingDistance;
+    x2 -= movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(MotionClassification::TWO_FINGER_SWIPE, motionArgs.classification);
+    ASSERT_LT(motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_GESTURE_X_OFFSET), 0);
+    ASSERT_GT(motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_GESTURE_Y_OFFSET), 0);
+}
+
+TEST_F(MultiTouchPointerModeTest, WhenViewportActiveStatusChanged_PointerGestureIsReset) {
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOOL_PEN, 0, AKEYCODE_UNKNOWN, 0);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled());
+
+    // Start a stylus gesture.
+    processKey(mapper, BTN_TOOL_PEN, 1);
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, 100, 200);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN),
+                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+    // TODO(b/257078296): Pointer mode generates extra event.
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+
+    // Make the viewport inactive. This will put the device in disabled mode, and the ongoing stylus
+    // gesture should be disabled.
+    auto viewport = mFakePolicy->getDisplayViewportByType(ViewportType::INTERNAL);
+    viewport->isActive = false;
+    mFakePolicy->updateViewport(*viewport);
+    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_CANCEL),
+                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+    // TODO(b/257078296): Pointer mode generates extra event.
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_CANCEL),
+                  WithSource(AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS),
+                  WithToolType(AMOTION_EVENT_TOOL_TYPE_STYLUS))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
 // --- JoystickInputMapperTest ---
 
 class JoystickInputMapperTest : public InputMapperTest {
@@ -9836,7 +10256,7 @@ protected:
         process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
     }
 
-    void prepareVirtualDisplay(int32_t orientation) {
+    void prepareVirtualDisplay(ui::Rotation orientation) {
         setDisplayInfoAndReconfigure(VIRTUAL_DISPLAY_ID, VIRTUAL_DISPLAY_WIDTH,
                                      VIRTUAL_DISPLAY_HEIGHT, orientation, VIRTUAL_DISPLAY_UNIQUE_ID,
                                      NO_PORT, ViewportType::VIRTUAL);
@@ -9854,7 +10274,7 @@ TEST_F(JoystickInputMapperTest, Configure_AssignsDisplayUniqueId) {
 
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, VIRTUAL_DISPLAY_UNIQUE_ID);
 
-    prepareVirtualDisplay(DISPLAY_ORIENTATION_0);
+    prepareVirtualDisplay(ui::ROTATION_0);
 
     // Send an axis event
     processAxis(mapper, ABS_X, 100);
@@ -9892,7 +10312,7 @@ protected:
 
     virtual void SetUp(ftl::Flags<InputDeviceClass> classes) {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
                                                             *mFakeListener);
@@ -9906,12 +10326,12 @@ protected:
         mFakePolicy.clear();
     }
 
-    void configureDevice(uint32_t changes) {
+    std::list<NotifyArgs> configureDevice(uint32_t changes) {
         if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
             mReader->requestRefreshConfiguration(changes);
             mReader->loopOnce();
         }
-        mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
+        return mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
     }
 
     std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
@@ -9957,15 +10377,17 @@ protected:
 TEST_F(BatteryControllerTest, GetBatteryCapacity) {
     PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
 
-    ASSERT_TRUE(controller.getBatteryCapacity(DEFAULT_BATTERY));
-    ASSERT_EQ(controller.getBatteryCapacity(DEFAULT_BATTERY).value_or(-1), BATTERY_CAPACITY);
+    ASSERT_TRUE(controller.getBatteryCapacity(FakeEventHub::DEFAULT_BATTERY));
+    ASSERT_EQ(controller.getBatteryCapacity(FakeEventHub::DEFAULT_BATTERY).value_or(-1),
+              FakeEventHub::BATTERY_CAPACITY);
 }
 
 TEST_F(BatteryControllerTest, GetBatteryStatus) {
     PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
 
-    ASSERT_TRUE(controller.getBatteryStatus(DEFAULT_BATTERY));
-    ASSERT_EQ(controller.getBatteryStatus(DEFAULT_BATTERY).value_or(-1), BATTERY_STATUS);
+    ASSERT_TRUE(controller.getBatteryStatus(FakeEventHub::DEFAULT_BATTERY));
+    ASSERT_EQ(controller.getBatteryStatus(FakeEventHub::DEFAULT_BATTERY).value_or(-1),
+              FakeEventHub::BATTERY_STATUS);
 }
 
 // --- LightControllerTest ---
@@ -9978,7 +10400,7 @@ protected:
 
 TEST_F(LightControllerTest, MonoLight) {
     RawLightInfo infoMono = {.id = 1,
-                             .name = "Mono",
+                             .name = "mono_light",
                              .maxBrightness = 255,
                              .flags = InputLightClass::BRIGHTNESS,
                              .path = ""};
@@ -9989,7 +10411,29 @@ TEST_F(LightControllerTest, MonoLight) {
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::MONO, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_BRIGHTNESS));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_BRIGHTNESS);
+}
+
+TEST_F(LightControllerTest, MonoKeyboardBacklight) {
+    RawLightInfo infoMono = {.id = 1,
+                             .name = "mono_keyboard_backlight",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS |
+                                     InputLightClass::KEYBOARD_BACKLIGHT,
+                             .path = ""};
+    mFakeEventHub->addRawLightInfo(infoMono.id, std::move(infoMono));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_BRIGHTNESS));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_BRIGHTNESS);
@@ -10020,7 +10464,85 @@ TEST_F(LightControllerTest, RGBLight) {
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::RGB, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, CorrectRGBKeyboardBacklight) {
+    RawLightInfo infoRed = {.id = 1,
+                            .name = "red_keyboard_backlight",
+                            .maxBrightness = 255,
+                            .flags = InputLightClass::BRIGHTNESS | InputLightClass::RED |
+                                    InputLightClass::KEYBOARD_BACKLIGHT,
+                            .path = ""};
+    RawLightInfo infoGreen = {.id = 2,
+                              .name = "green_keyboard_backlight",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS | InputLightClass::GREEN |
+                                      InputLightClass::KEYBOARD_BACKLIGHT,
+                              .path = ""};
+    RawLightInfo infoBlue = {.id = 3,
+                             .name = "blue_keyboard_backlight",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS | InputLightClass::BLUE |
+                                     InputLightClass::KEYBOARD_BACKLIGHT,
+                             .path = ""};
+    mFakeEventHub->addRawLightInfo(infoRed.id, std::move(infoRed));
+    mFakeEventHub->addRawLightInfo(infoGreen.id, std::move(infoGreen));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoBlue));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, IncorrectRGBKeyboardBacklight) {
+    RawLightInfo infoRed = {.id = 1,
+                            .name = "red",
+                            .maxBrightness = 255,
+                            .flags = InputLightClass::BRIGHTNESS | InputLightClass::RED,
+                            .path = ""};
+    RawLightInfo infoGreen = {.id = 2,
+                              .name = "green",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS | InputLightClass::GREEN,
+                              .path = ""};
+    RawLightInfo infoBlue = {.id = 3,
+                             .name = "blue",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS | InputLightClass::BLUE,
+                             .path = ""};
+    RawLightInfo infoGlobal = {.id = 3,
+                               .name = "global_keyboard_backlight",
+                               .maxBrightness = 255,
+                               .flags = InputLightClass::BRIGHTNESS | InputLightClass::GLOBAL |
+                                       InputLightClass::KEYBOARD_BACKLIGHT,
+                               .path = ""};
+    mFakeEventHub->addRawLightInfo(infoRed.id, std::move(infoRed));
+    mFakeEventHub->addRawLightInfo(infoGreen.id, std::move(infoGreen));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoBlue));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoGlobal));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
@@ -10028,7 +10550,7 @@ TEST_F(LightControllerTest, RGBLight) {
 
 TEST_F(LightControllerTest, MultiColorRGBLight) {
     RawLightInfo infoColor = {.id = 1,
-                              .name = "red",
+                              .name = "multi_color",
                               .maxBrightness = 255,
                               .flags = InputLightClass::BRIGHTNESS |
                                       InputLightClass::MULTI_INTENSITY |
@@ -10042,7 +10564,34 @@ TEST_F(LightControllerTest, MultiColorRGBLight) {
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::MULTI_COLOR, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, MultiColorRGBKeyboardBacklight) {
+    RawLightInfo infoColor = {.id = 1,
+                              .name = "multi_color_keyboard_backlight",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS |
+                                      InputLightClass::MULTI_INTENSITY |
+                                      InputLightClass::MULTI_INDEX |
+                                      InputLightClass::KEYBOARD_BACKLIGHT,
+                              .path = ""};
+
+    mFakeEventHub->addRawLightInfo(infoColor.id, std::move(infoColor));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
@@ -10080,6 +10629,8 @@ TEST_F(LightControllerTest, PlayerIdLight) {
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
     ASSERT_EQ(InputDeviceLightType::PLAYER_ID, lights[0].type);
+    ASSERT_FALSE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_FALSE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_FALSE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_TRUE(controller.setLightPlayerId(lights[0].id, LIGHT_PLAYER_ID));
diff --git a/services/inputflinger/tests/InstrumentedInputReader.cpp b/services/inputflinger/tests/InstrumentedInputReader.cpp
new file mode 100644
index 0000000000..1f8cd12b75
--- /dev/null
+++ b/services/inputflinger/tests/InstrumentedInputReader.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "InstrumentedInputReader.h"
+
+namespace android {
+
+InstrumentedInputReader::InstrumentedInputReader(std::shared_ptr<EventHubInterface> eventHub,
+                                                 const sp<InputReaderPolicyInterface>& policy,
+                                                 InputListenerInterface& listener)
+      : InputReader(eventHub, policy, listener), mFakeContext(this) {}
+
+void InstrumentedInputReader::pushNextDevice(std::shared_ptr<InputDevice> device) {
+    mNextDevices.push(device);
+}
+
+std::shared_ptr<InputDevice> InstrumentedInputReader::newDevice(int32_t deviceId,
+                                                                const std::string& name,
+                                                                const std::string& location) {
+    InputDeviceIdentifier identifier;
+    identifier.name = name;
+    identifier.location = location;
+    int32_t generation = deviceId + 1;
+    return std::make_shared<InputDevice>(&mFakeContext, deviceId, generation, identifier);
+}
+
+std::shared_ptr<InputDevice> InstrumentedInputReader::createDeviceLocked(
+        int32_t eventHubId, const InputDeviceIdentifier& identifier) REQUIRES(mLock) {
+    if (!mNextDevices.empty()) {
+        std::shared_ptr<InputDevice> device(std::move(mNextDevices.front()));
+        mNextDevices.pop();
+        return device;
+    }
+    return InputReader::createDeviceLocked(eventHubId, identifier);
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/InstrumentedInputReader.h b/services/inputflinger/tests/InstrumentedInputReader.h
new file mode 100644
index 0000000000..7f8d5562ef
--- /dev/null
+++ b/services/inputflinger/tests/InstrumentedInputReader.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+#include <queue>
+#include <string>
+
+#include <InputDevice.h>
+#include <InputReader.h>
+#include <gtest/gtest.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+class InstrumentedInputReader : public InputReader {
+public:
+    InstrumentedInputReader(std::shared_ptr<EventHubInterface> eventHub,
+                            const sp<InputReaderPolicyInterface>& policy,
+                            InputListenerInterface& listener);
+    virtual ~InstrumentedInputReader() {}
+
+    void pushNextDevice(std::shared_ptr<InputDevice> device);
+
+    std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
+                                           const std::string& location = "");
+
+    // Make the protected loopOnce method accessible to tests.
+    using InputReader::loopOnce;
+
+protected:
+    virtual std::shared_ptr<InputDevice> createDeviceLocked(
+            int32_t eventHubId, const InputDeviceIdentifier& identifier);
+
+    class FakeInputReaderContext : public ContextImpl {
+    public:
+        FakeInputReaderContext(InputReader* reader)
+              : ContextImpl(reader),
+                mGlobalMetaState(0),
+                mUpdateGlobalMetaStateWasCalled(false),
+                mGeneration(1) {}
+
+        virtual ~FakeInputReaderContext() {}
+
+        void assertUpdateGlobalMetaStateWasCalled() {
+            ASSERT_TRUE(mUpdateGlobalMetaStateWasCalled)
+                    << "Expected updateGlobalMetaState() to have been called.";
+            mUpdateGlobalMetaStateWasCalled = false;
+        }
+
+        void setGlobalMetaState(int32_t state) { mGlobalMetaState = state; }
+
+        uint32_t getGeneration() { return mGeneration; }
+
+        void updateGlobalMetaState() override {
+            mUpdateGlobalMetaStateWasCalled = true;
+            ContextImpl::updateGlobalMetaState();
+        }
+
+        int32_t getGlobalMetaState() override {
+            return mGlobalMetaState | ContextImpl::getGlobalMetaState();
+        }
+
+        int32_t bumpGeneration() override {
+            mGeneration = ContextImpl::bumpGeneration();
+            return mGeneration;
+        }
+
+        void requestTimeoutAtTime(nsecs_t when) override { mRequestedTimeout = when; }
+
+        void assertTimeoutWasRequested(nsecs_t when) {
+            ASSERT_TRUE(mRequestedTimeout) << "Expected timeout at time " << when
+                                           << " but there was no timeout requested.";
+            ASSERT_EQ(when, *mRequestedTimeout);
+            mRequestedTimeout.reset();
+        }
+
+        void assertTimeoutWasNotRequested() {
+            ASSERT_FALSE(mRequestedTimeout) << "Expected no timeout to have been requested,"
+                                               " but one was requested at time "
+                                            << *mRequestedTimeout;
+        }
+
+        void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) override {
+            outDevices = mExternalStylusDevices;
+        }
+
+        void setExternalStylusDevices(std::vector<InputDeviceInfo>&& devices) {
+            mExternalStylusDevices = devices;
+        }
+
+    private:
+        int32_t mGlobalMetaState;
+        bool mUpdateGlobalMetaStateWasCalled;
+        int32_t mGeneration;
+        std::optional<nsecs_t> mRequestedTimeout;
+        std::vector<InputDeviceInfo> mExternalStylusDevices;
+    } mFakeContext;
+
+    friend class InputReaderTest;
+
+public:
+    FakeInputReaderContext* getContext() { return &mFakeContext; }
+
+private:
+    std::queue<std::shared_ptr<InputDevice>> mNextDevices;
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/LatencyTracker_test.cpp b/services/inputflinger/tests/LatencyTracker_test.cpp
index 89c0741dfd..1f4b2486bd 100644
--- a/services/inputflinger/tests/LatencyTracker_test.cpp
+++ b/services/inputflinger/tests/LatencyTracker_test.cpp
@@ -44,7 +44,7 @@ InputEventTimeline getTestTimeline() {
     graphicsTimeline[GraphicsTimeline::GPU_COMPLETED_TIME] = 9;
     graphicsTimeline[GraphicsTimeline::PRESENT_TIME] = 10;
     expectedCT.setGraphicsTimeline(std::move(graphicsTimeline));
-    t.connectionTimelines.emplace(new BBinder(), std::move(expectedCT));
+    t.connectionTimelines.emplace(sp<BBinder>::make(), std::move(expectedCT));
     return t;
 }
 
@@ -56,8 +56,8 @@ protected:
     sp<IBinder> connection2;
 
     void SetUp() override {
-        connection1 = new BBinder();
-        connection2 = new BBinder();
+        connection1 = sp<BBinder>::make();
+        connection2 = sp<BBinder>::make();
 
         mTracker = std::make_unique<LatencyTracker>(this);
     }
diff --git a/services/inputflinger/tests/NotifyArgs_test.cpp b/services/inputflinger/tests/NotifyArgs_test.cpp
new file mode 100644
index 0000000000..671558509d
--- /dev/null
+++ b/services/inputflinger/tests/NotifyArgs_test.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <NotifyArgs.h>
+#include <utils/Timers.h>
+
+#include <gtest/gtest.h>
+#include "android/input.h"
+#include "input/Input.h"
+#include "input/TouchVideoFrame.h"
+
+namespace android {
+
+// --- NotifyArgsTest ---
+
+/**
+ * Validate basic copy assignment.
+ */
+TEST(NotifyMotionArgsTest, TestCopyAssignmentOperator) {
+    int32_t id = 123;
+    nsecs_t downTime = systemTime();
+    nsecs_t eventTime = downTime++;
+    nsecs_t readTime = downTime++;
+    int32_t deviceId = 7;
+    uint32_t source = AINPUT_SOURCE_TOUCHSCREEN;
+    int32_t displayId = 42;
+    uint32_t policyFlags = POLICY_FLAG_GESTURE;
+    int32_t action = AMOTION_EVENT_ACTION_HOVER_MOVE;
+    int32_t actionButton = AMOTION_EVENT_BUTTON_PRIMARY;
+    int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
+    int32_t metaState = AMETA_SCROLL_LOCK_ON;
+    uint32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY;
+    MotionClassification classification = MotionClassification::DEEP_PRESS;
+    int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
+    uint32_t pointerCount = 2;
+    PointerProperties pointerProperties[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+    float x = 0;
+    float y = 10;
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].clear();
+        pointerProperties[i].id = i;
+        pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+        pointerCoords[i].clear();
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, x++);
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, y++);
+    }
+
+    float xPrecision = 1.2f;
+    float yPrecision = 3.4f;
+    float xCursorPosition = 5.6f;
+    float yCursorPosition = 7.8f;
+
+    std::vector<int16_t> videoData = {1, 2, 3, 4};
+    timeval timestamp = {5, 6};
+    TouchVideoFrame frame(2, 2, std::move(videoData), timestamp);
+    std::vector<TouchVideoFrame> videoFrames = {frame};
+    const NotifyMotionArgs args(id, eventTime, readTime, deviceId, source, displayId, policyFlags,
+                                action, actionButton, flags, metaState, buttonState, classification,
+                                edgeFlags, pointerCount, pointerProperties, pointerCoords,
+                                xPrecision, yPrecision, xCursorPosition, yCursorPosition, downTime,
+                                videoFrames);
+
+    NotifyMotionArgs otherArgs{};
+    otherArgs = args;
+
+    EXPECT_EQ(args, otherArgs);
+}
+
+} // namespace android
\ No newline at end of file
diff --git a/services/inputflinger/tests/PreferStylusOverTouch_test.cpp b/services/inputflinger/tests/PreferStylusOverTouch_test.cpp
index 8e2ab88e80..bd053603df 100644
--- a/services/inputflinger/tests/PreferStylusOverTouch_test.cpp
+++ b/services/inputflinger/tests/PreferStylusOverTouch_test.cpp
@@ -33,14 +33,8 @@ static constexpr int32_t POINTER_1_DOWN =
 constexpr int32_t TOUCHSCREEN = AINPUT_SOURCE_TOUCHSCREEN;
 constexpr int32_t STYLUS = AINPUT_SOURCE_STYLUS;
 
-struct PointerData {
-    float x;
-    float y;
-};
-
 static NotifyMotionArgs generateMotionArgs(nsecs_t downTime, nsecs_t eventTime, int32_t action,
-                                           const std::vector<PointerData>& points,
-                                           uint32_t source) {
+                                           const std::vector<Point>& points, uint32_t source) {
     size_t pointerCount = points.size();
     if (action == DOWN || action == UP) {
         EXPECT_EQ(1U, pointerCount) << "Actions DOWN and UP can only contain a single pointer";
diff --git a/libs/gui/include/gui/TransactionTracing.h b/services/inputflinger/tests/TestConstants.h
index 9efba47a18..27881f6f49 100644
--- a/libs/gui/include/gui/TransactionTracing.h
+++ b/services/inputflinger/tests/TestConstants.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,26 +16,18 @@
 
 #pragma once
 
-#include <android/gui/BnTransactionTraceListener.h>
-#include <utils/Mutex.h>
-
 namespace android {
 
-class TransactionTraceListener : public gui::BnTransactionTraceListener {
-    static std::mutex sMutex;
-    static sp<TransactionTraceListener> sInstance;
-
-    TransactionTraceListener();
-
-public:
-    static sp<TransactionTraceListener> getInstance();
+using std::chrono_literals::operator""ms;
 
-    binder::Status onToggled(bool enabled) override;
+// Timeout for waiting for an expected event
+static constexpr std::chrono::duration WAIT_TIMEOUT = 100ms;
 
-    bool isTracingEnabled();
+// An arbitrary time value.
+static constexpr nsecs_t ARBITRARY_TIME = 1234;
+static constexpr nsecs_t READ_TIME = 4321;
 
-private:
-    bool mTracingEnabled = false;
-};
+// Error tolerance for floating point assertions.
+static const float EPSILON = 0.001f;
 
 } // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.cpp b/services/inputflinger/tests/TestInputListener.cpp
index 57b382c718..2801072b6a 100644
--- a/services/inputflinger/tests/TestInputListener.cpp
+++ b/services/inputflinger/tests/TestInputListener.cpp
@@ -59,26 +59,34 @@ void TestInputListener::assertNotifyKeyWasCalled(NotifyKeyArgs* outEventArgs) {
             assertCalled<NotifyKeyArgs>(outEventArgs, "Expected notifyKey() to have been called."));
 }
 
+void TestInputListener::assertNotifyKeyWasCalled(const ::testing::Matcher<NotifyKeyArgs>& matcher) {
+    NotifyKeyArgs outEventArgs;
+    ASSERT_NO_FATAL_FAILURE(assertNotifyKeyWasCalled(&outEventArgs));
+    ASSERT_THAT(outEventArgs, matcher);
+}
+
 void TestInputListener::assertNotifyKeyWasNotCalled() {
     ASSERT_NO_FATAL_FAILURE(assertNotCalled<NotifyKeyArgs>("notifyKey() should not be called."));
 }
 
-void TestInputListener::assertNotifyMotionWasCalled(NotifyMotionArgs* outEventArgs) {
+void TestInputListener::assertNotifyMotionWasCalled(NotifyMotionArgs* outEventArgs,
+                                                    std::optional<TimePoint> waitUntil) {
     ASSERT_NO_FATAL_FAILURE(
             assertCalled<NotifyMotionArgs>(outEventArgs,
-                                           "Expected notifyMotion() to have been called."));
+                                           "Expected notifyMotion() to have been called.",
+                                           waitUntil));
 }
 
 void TestInputListener::assertNotifyMotionWasCalled(
-        const ::testing::Matcher<NotifyMotionArgs>& matcher) {
+        const ::testing::Matcher<NotifyMotionArgs>& matcher, std::optional<TimePoint> waitUntil) {
     NotifyMotionArgs outEventArgs;
-    ASSERT_NO_FATAL_FAILURE(assertNotifyMotionWasCalled(&outEventArgs));
+    ASSERT_NO_FATAL_FAILURE(assertNotifyMotionWasCalled(&outEventArgs, waitUntil));
     ASSERT_THAT(outEventArgs, matcher);
 }
 
-void TestInputListener::assertNotifyMotionWasNotCalled() {
+void TestInputListener::assertNotifyMotionWasNotCalled(std::optional<TimePoint> waitUntil) {
     ASSERT_NO_FATAL_FAILURE(
-            assertNotCalled<NotifyMotionArgs>("notifyMotion() should not be called."));
+            assertNotCalled<NotifyMotionArgs>("notifyMotion() should not be called.", waitUntil));
 }
 
 void TestInputListener::assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs) {
@@ -113,15 +121,18 @@ void TestInputListener::assertNotifyCaptureWasNotCalled() {
 }
 
 template <class NotifyArgsType>
-void TestInputListener::assertCalled(NotifyArgsType* outEventArgs, std::string message) {
+void TestInputListener::assertCalled(NotifyArgsType* outEventArgs, std::string message,
+                                     std::optional<TimePoint> waitUntil) {
     std::unique_lock<std::mutex> lock(mLock);
     base::ScopedLockAssertion assumeLocked(mLock);
 
     std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
     if (queue.empty()) {
-        const bool eventReceived =
-                mCondition.wait_for(lock, mEventHappenedTimeout,
-                                    [&queue]() REQUIRES(mLock) { return !queue.empty(); });
+        const auto time =
+                waitUntil.value_or(std::chrono::system_clock::now() + mEventHappenedTimeout);
+        const bool eventReceived = mCondition.wait_until(lock, time, [&queue]() REQUIRES(mLock) {
+            return !queue.empty();
+        });
         if (!eventReceived) {
             FAIL() << "Timed out waiting for event: " << message.c_str();
         }
@@ -133,21 +144,23 @@ void TestInputListener::assertCalled(NotifyArgsType* outEventArgs, std::string m
 }
 
 template <class NotifyArgsType>
-void TestInputListener::assertNotCalled(std::string message) {
+void TestInputListener::assertNotCalled(std::string message, std::optional<TimePoint> waitUntil) {
     std::unique_lock<std::mutex> lock(mLock);
     base::ScopedLockAssertion assumeLocked(mLock);
 
     std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
-    const bool eventReceived =
-            mCondition.wait_for(lock, mEventDidNotHappenTimeout,
-                                [&queue]() REQUIRES(mLock) { return !queue.empty(); });
+    const auto time =
+            waitUntil.value_or(std::chrono::system_clock::now() + mEventDidNotHappenTimeout);
+    const bool eventReceived = mCondition.wait_until(lock, time, [&queue]() REQUIRES(mLock) {
+        return !queue.empty();
+    });
     if (eventReceived) {
         FAIL() << "Unexpected event: " << message.c_str();
     }
 }
 
 template <class NotifyArgsType>
-void TestInputListener::notify(const NotifyArgsType* args) {
+void TestInputListener::addToQueue(const NotifyArgsType* args) {
     std::scoped_lock<std::mutex> lock(mLock);
 
     std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
@@ -156,35 +169,35 @@ void TestInputListener::notify(const NotifyArgsType* args) {
 }
 
 void TestInputListener::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
-    notify<NotifyConfigurationChangedArgs>(args);
+    addToQueue<NotifyConfigurationChangedArgs>(args);
 }
 
 void TestInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
-    notify<NotifyDeviceResetArgs>(args);
+    addToQueue<NotifyDeviceResetArgs>(args);
 }
 
 void TestInputListener::notifyKey(const NotifyKeyArgs* args) {
-    notify<NotifyKeyArgs>(args);
+    addToQueue<NotifyKeyArgs>(args);
 }
 
 void TestInputListener::notifyMotion(const NotifyMotionArgs* args) {
-    notify<NotifyMotionArgs>(args);
+    addToQueue<NotifyMotionArgs>(args);
 }
 
 void TestInputListener::notifySwitch(const NotifySwitchArgs* args) {
-    notify<NotifySwitchArgs>(args);
+    addToQueue<NotifySwitchArgs>(args);
 }
 
 void TestInputListener::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
-    notify<NotifyPointerCaptureChangedArgs>(args);
+    addToQueue<NotifyPointerCaptureChangedArgs>(args);
 }
 
 void TestInputListener::notifySensor(const NotifySensorArgs* args) {
-    notify<NotifySensorArgs>(args);
+    addToQueue<NotifySensorArgs>(args);
 }
 
 void TestInputListener::notifyVibratorState(const NotifyVibratorStateArgs* args) {
-    notify<NotifyVibratorStateArgs>(args);
+    addToQueue<NotifyVibratorStateArgs>(args);
 }
 
 } // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.h b/services/inputflinger/tests/TestInputListener.h
index 0bdfc6b9fb..9665f702a1 100644
--- a/services/inputflinger/tests/TestInputListener.h
+++ b/services/inputflinger/tests/TestInputListener.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_TEST_INPUT_LISTENER_H
-#define _UI_TEST_INPUT_LISTENER_H
+#pragma once
 
 #include <android-base/thread_annotations.h>
 #include <gmock/gmock.h>
@@ -34,6 +33,8 @@ public:
                       std::chrono::milliseconds eventDidNotHappenTimeout = 0ms);
     virtual ~TestInputListener();
 
+    using TimePoint = std::chrono::time_point<std::chrono::system_clock>;
+
     void assertNotifyConfigurationChangedWasCalled(
             NotifyConfigurationChangedArgs* outEventArgs = nullptr);
 
@@ -45,13 +46,17 @@ public:
 
     void assertNotifyKeyWasCalled(NotifyKeyArgs* outEventArgs = nullptr);
 
+    void assertNotifyKeyWasCalled(const ::testing::Matcher<NotifyKeyArgs>& matcher);
+
     void assertNotifyKeyWasNotCalled();
 
-    void assertNotifyMotionWasCalled(NotifyMotionArgs* outEventArgs = nullptr);
+    void assertNotifyMotionWasCalled(NotifyMotionArgs* outEventArgs = nullptr,
+                                     std::optional<TimePoint> waitUntil = {});
 
-    void assertNotifyMotionWasCalled(const ::testing::Matcher<NotifyMotionArgs>& matcher);
+    void assertNotifyMotionWasCalled(const ::testing::Matcher<NotifyMotionArgs>& matcher,
+                                     std::optional<TimePoint> waitUntil = {});
 
-    void assertNotifyMotionWasNotCalled();
+    void assertNotifyMotionWasNotCalled(std::optional<TimePoint> waitUntil = {});
 
     void assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs = nullptr);
 
@@ -62,13 +67,14 @@ public:
 
 private:
     template <class NotifyArgsType>
-    void assertCalled(NotifyArgsType* outEventArgs, std::string message);
+    void assertCalled(NotifyArgsType* outEventArgs, std::string message,
+                      std::optional<TimePoint> waitUntil = {});
 
     template <class NotifyArgsType>
-    void assertNotCalled(std::string message);
+    void assertNotCalled(std::string message, std::optional<TimePoint> timeout = {});
 
     template <class NotifyArgsType>
-    void notify(const NotifyArgsType* args);
+    void addToQueue(const NotifyArgsType* args);
 
     virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
 
@@ -103,4 +109,3 @@ private:
 };
 
 } // namespace android
-#endif
diff --git a/services/inputflinger/tests/TestInputListenerMatchers.h b/services/inputflinger/tests/TestInputListenerMatchers.h
new file mode 100644
index 0000000000..9db34227f5
--- /dev/null
+++ b/services/inputflinger/tests/TestInputListenerMatchers.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/input.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <input/Input.h>
+
+namespace android {
+
+MATCHER_P(WithMotionAction, action, "MotionEvent with specified action") {
+    bool matches = action == arg.action;
+    if (!matches) {
+        *result_listener << "expected action " << MotionEvent::actionToString(action)
+                         << ", but got " << MotionEvent::actionToString(arg.action);
+    }
+    if (action == AMOTION_EVENT_ACTION_CANCEL) {
+        if (!matches) {
+            *result_listener << "; ";
+        }
+        *result_listener << "expected FLAG_CANCELED to be set with ACTION_CANCEL, but was not set";
+        matches &= (arg.flags & AMOTION_EVENT_FLAG_CANCELED) != 0;
+    }
+    return matches;
+}
+
+MATCHER_P(WithKeyAction, action, "KeyEvent with specified action") {
+    *result_listener << "expected action " << KeyEvent::actionToString(action) << ", but got "
+                     << KeyEvent::actionToString(arg.action);
+    return arg.action == action;
+}
+
+MATCHER_P(WithSource, source, "InputEvent with specified source") {
+    *result_listener << "expected source " << inputEventSourceToString(source) << ", but got "
+                     << inputEventSourceToString(arg.source);
+    return arg.source == source;
+}
+
+MATCHER_P(WithDisplayId, displayId, "InputEvent with specified displayId") {
+    *result_listener << "expected displayId " << displayId << ", but got " << arg.displayId;
+    return arg.displayId == displayId;
+}
+
+MATCHER_P(WithDeviceId, deviceId, "InputEvent with specified deviceId") {
+    *result_listener << "expected deviceId " << deviceId << ", but got " << arg.deviceId;
+    return arg.deviceId == deviceId;
+}
+
+MATCHER_P(WithKeyCode, keyCode, "KeyEvent with specified key code") {
+    *result_listener << "expected key code " << keyCode << ", but got " << arg.keyCode;
+    return arg.keyCode == keyCode;
+}
+
+MATCHER_P2(WithCoords, x, y, "InputEvent with specified coords") {
+    const auto argX = arg.pointerCoords[0].getX();
+    const auto argY = arg.pointerCoords[0].getY();
+    *result_listener << "expected coords (" << x << ", " << y << "), but got (" << argX << ", "
+                     << argY << ")";
+    return argX == x && argY == y;
+}
+
+MATCHER_P(WithPressure, pressure, "InputEvent with specified pressure") {
+    const auto argPressure = arg.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE);
+    *result_listener << "expected pressure " << pressure << ", but got " << argPressure;
+    return argPressure == pressure;
+}
+
+MATCHER_P(WithToolType, toolType, "InputEvent with specified tool type") {
+    const auto argToolType = arg.pointerProperties[0].toolType;
+    *result_listener << "expected tool type " << motionToolTypeToString(toolType) << ", but got "
+                     << motionToolTypeToString(argToolType);
+    return argToolType == toolType;
+}
+
+MATCHER_P(WithFlags, flags, "InputEvent with specified flags") {
+    *result_listener << "expected flags " << flags << ", but got " << arg.flags;
+    return arg.flags == flags;
+}
+
+MATCHER_P(WithButtonState, buttons, "InputEvent with specified button state") {
+    *result_listener << "expected button state " << buttons << ", but got " << arg.buttonState;
+    return arg.buttonState == buttons;
+}
+
+MATCHER_P(WithEventTime, eventTime, "InputEvent with specified eventTime") {
+    *result_listener << "expected event time " << eventTime << ", but got " << arg.eventTime;
+    return arg.eventTime == eventTime;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/UinputDevice.cpp b/services/inputflinger/tests/UinputDevice.cpp
index 9c939198f3..97a26141e0 100644
--- a/services/inputflinger/tests/UinputDevice.cpp
+++ b/services/inputflinger/tests/UinputDevice.cpp
@@ -17,13 +17,15 @@
 #include "UinputDevice.h"
 
 #include <android-base/stringprintf.h>
+#include <cutils/memory.h>
 #include <fcntl.h>
 
 namespace android {
 
 // --- UinputDevice ---
 
-UinputDevice::UinputDevice(const char* name) : mName(name) {}
+UinputDevice::UinputDevice(const char* name, int16_t productId)
+      : mName(name), mProductId(productId) {}
 
 UinputDevice::~UinputDevice() {
     if (ioctl(mDeviceFd, UI_DEV_DESTROY)) {
@@ -42,7 +44,7 @@ void UinputDevice::init() {
     strlcpy(device.name, mName, UINPUT_MAX_NAME_SIZE);
     device.id.bustype = BUS_USB;
     device.id.vendor = 0x01;
-    device.id.product = 0x01;
+    device.id.product = mProductId;
     device.id.version = 1;
 
     ASSERT_NO_FATAL_FAILURE(configureDevice(mDeviceFd, &device));
@@ -58,11 +60,11 @@ void UinputDevice::init() {
 }
 
 void UinputDevice::injectEvent(uint16_t type, uint16_t code, int32_t value) {
+    // uinput ignores the timestamp
     struct input_event event = {};
     event.type = type;
     event.code = code;
     event.value = value;
-    event.time = {}; // uinput ignores the timestamp
 
     if (write(mDeviceFd, &event, sizeof(input_event)) < 0) {
         std::string msg = base::StringPrintf("Could not write event %" PRIu16 " %" PRIu16
@@ -75,8 +77,8 @@ void UinputDevice::injectEvent(uint16_t type, uint16_t code, int32_t value) {
 
 // --- UinputKeyboard ---
 
-UinputKeyboard::UinputKeyboard(std::initializer_list<int> keys)
-      : UinputDevice(UinputKeyboard::KEYBOARD_NAME), mKeys(keys.begin(), keys.end()) {}
+UinputKeyboard::UinputKeyboard(const char* name, int16_t productId, std::initializer_list<int> keys)
+      : UinputDevice(name, productId), mKeys(keys.begin(), keys.end()) {}
 
 void UinputKeyboard::configureDevice(int fd, uinput_user_dev* device) {
     // enable key press/release event
@@ -120,22 +122,52 @@ void UinputKeyboard::pressAndReleaseKey(int key) {
 
 // --- UinputHomeKey ---
 
-UinputHomeKey::UinputHomeKey() : UinputKeyboard({KEY_HOME}) {}
+UinputHomeKey::UinputHomeKey() : UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {KEY_HOME}) {}
 
 void UinputHomeKey::pressAndReleaseHomeKey() {
     pressAndReleaseKey(KEY_HOME);
 }
 
-// --- UinputSteamController
-UinputSteamController::UinputSteamController() : UinputKeyboard({BTN_GEAR_DOWN, BTN_GEAR_UP}) {}
+// --- UinputSteamController ---
+
+UinputSteamController::UinputSteamController()
+      : UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {BTN_GEAR_DOWN, BTN_GEAR_UP}) {}
+
+// --- UinputExternalStylus ---
+
+UinputExternalStylus::UinputExternalStylus()
+      : UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {BTN_STYLUS, BTN_STYLUS2, BTN_STYLUS3}) {}
+
+// --- UinputExternalStylusWithPressure ---
+
+UinputExternalStylusWithPressure::UinputExternalStylusWithPressure()
+      : UinputKeyboard(DEVICE_NAME, PRODUCT_ID, {BTN_STYLUS, BTN_STYLUS2, BTN_STYLUS3}) {}
+
+void UinputExternalStylusWithPressure::configureDevice(int fd, uinput_user_dev* device) {
+    UinputKeyboard::configureDevice(fd, device);
+
+    ioctl(fd, UI_SET_EVBIT, EV_ABS);
+    ioctl(fd, UI_SET_ABSBIT, ABS_PRESSURE);
+    device->absmin[ABS_PRESSURE] = RAW_PRESSURE_MIN;
+    device->absmax[ABS_PRESSURE] = RAW_PRESSURE_MAX;
+}
+
+void UinputExternalStylusWithPressure::setPressure(int32_t pressure) {
+    injectEvent(EV_ABS, ABS_PRESSURE, pressure);
+    injectEvent(EV_SYN, SYN_REPORT, 0);
+}
 
 // --- UinputTouchScreen ---
-UinputTouchScreen::UinputTouchScreen(const Rect* size)
-      : UinputDevice(UinputTouchScreen::DEVICE_NAME), mSize(*size) {}
+
+UinputTouchScreen::UinputTouchScreen(const Rect& size)
+      : UinputKeyboard(DEVICE_NAME, PRODUCT_ID,
+                       {BTN_TOUCH, BTN_TOOL_PEN, BTN_STYLUS, BTN_STYLUS2, BTN_STYLUS3}),
+        mSize(size) {}
 
 void UinputTouchScreen::configureDevice(int fd, uinput_user_dev* device) {
+    UinputKeyboard::configureDevice(fd, device);
+
     // Setup the touch screen device
-    ioctl(fd, UI_SET_EVBIT, EV_KEY);
     ioctl(fd, UI_SET_EVBIT, EV_REL);
     ioctl(fd, UI_SET_EVBIT, EV_ABS);
     ioctl(fd, UI_SET_ABSBIT, ABS_MT_SLOT);
@@ -145,7 +177,6 @@ void UinputTouchScreen::configureDevice(int fd, uinput_user_dev* device) {
     ioctl(fd, UI_SET_ABSBIT, ABS_MT_TRACKING_ID);
     ioctl(fd, UI_SET_ABSBIT, ABS_MT_TOOL_TYPE);
     ioctl(fd, UI_SET_PROPBIT, INPUT_PROP_DIRECT);
-    ioctl(fd, UI_SET_KEYBIT, BTN_TOUCH);
 
     device->absmin[ABS_MT_SLOT] = RAW_SLOT_MIN;
     device->absmax[ABS_MT_SLOT] = RAW_SLOT_MAX;
@@ -157,6 +188,8 @@ void UinputTouchScreen::configureDevice(int fd, uinput_user_dev* device) {
     device->absmax[ABS_MT_POSITION_Y] = mSize.bottom - 1;
     device->absmin[ABS_MT_TRACKING_ID] = RAW_ID_MIN;
     device->absmax[ABS_MT_TRACKING_ID] = RAW_ID_MAX;
+    device->absmin[ABS_MT_TOOL_TYPE] = MT_TOOL_FINGER;
+    device->absmax[ABS_MT_TOOL_TYPE] = MT_TOOL_MAX;
 }
 
 void UinputTouchScreen::sendSlot(int32_t slot) {
diff --git a/services/inputflinger/tests/UinputDevice.h b/services/inputflinger/tests/UinputDevice.h
index a37fc2b790..51e331df8f 100644
--- a/services/inputflinger/tests/UinputDevice.h
+++ b/services/inputflinger/tests/UinputDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_TEST_INPUT_UINPUT_INJECTOR_H
-#define _UI_TEST_INPUT_UINPUT_INJECTOR_H
+#pragma once
 
 #include <android-base/unique_fd.h>
 #include <gtest/gtest.h>
@@ -33,7 +32,7 @@ namespace android {
 template <class D, class... Ts>
 std::unique_ptr<D> createUinputDevice(Ts... args) {
     // Using `new` to access non-public constructors.
-    std::unique_ptr<D> dev(new D(&args...));
+    std::unique_ptr<D> dev(new D(args...));
     EXPECT_NO_FATAL_FAILURE(dev->init());
     return dev;
 }
@@ -52,8 +51,9 @@ public:
 
 protected:
     const char* mName;
+    const int16_t mProductId;
 
-    UinputDevice(const char* name);
+    explicit UinputDevice(const char* name, int16_t productId);
 
     // Signals which types of events this device supports before it is created.
     // This must be overridden by subclasses.
@@ -72,7 +72,8 @@ private:
 
 class UinputKeyboard : public UinputDevice {
 public:
-    static constexpr const char* KEYBOARD_NAME = "Test Keyboard Device";
+    static constexpr const char* KEYBOARD_NAME = "Test Uinput Keyboard Device";
+    static constexpr int16_t PRODUCT_ID = 42;
 
     // Injects key press and sync.
     void pressKey(int key);
@@ -85,11 +86,12 @@ public:
     friend std::unique_ptr<D> createUinputDevice(Ts... args);
 
 protected:
-    UinputKeyboard(std::initializer_list<int> keys = {});
+    explicit UinputKeyboard(const char* name, int16_t productId = PRODUCT_ID,
+                            std::initializer_list<int> keys = {});
 
-private:
     void configureDevice(int fd, uinput_user_dev* device) override;
 
+private:
     std::set<int> mKeys;
 };
 
@@ -98,6 +100,9 @@ private:
 // A keyboard device that has a single HOME key.
 class UinputHomeKey : public UinputKeyboard {
 public:
+    static constexpr const char* DEVICE_NAME = "Test Uinput Home Key";
+    static constexpr int16_t PRODUCT_ID = 43;
+
     // Injects 4 events: key press, sync, key release, and sync.
     void pressAndReleaseHomeKey();
 
@@ -105,24 +110,69 @@ public:
     friend std::unique_ptr<D> createUinputDevice(Ts... args);
 
 private:
-    UinputHomeKey();
+    explicit UinputHomeKey();
 };
 
+// --- UinputSteamController ---
+
 // A joystick device that sends a BTN_GEAR_DOWN / BTN_WHEEL key.
 class UinputSteamController : public UinputKeyboard {
 public:
+    static constexpr const char* DEVICE_NAME = "Test Uinput Steam Controller";
+    static constexpr int16_t PRODUCT_ID = 44;
+
+    template <class D, class... Ts>
+    friend std::unique_ptr<D> createUinputDevice(Ts... args);
+
+private:
+    explicit UinputSteamController();
+};
+
+// --- UinputExternalStylus ---
+
+// A stylus that reports button presses.
+class UinputExternalStylus : public UinputKeyboard {
+public:
+    static constexpr const char* DEVICE_NAME = "Test Uinput External Stylus";
+    static constexpr int16_t PRODUCT_ID = 45;
+
+    template <class D, class... Ts>
+    friend std::unique_ptr<D> createUinputDevice(Ts... args);
+
+private:
+    explicit UinputExternalStylus();
+};
+
+// --- UinputExternalStylusWithPressure ---
+
+// A stylus that reports button presses and pressure values.
+class UinputExternalStylusWithPressure : public UinputKeyboard {
+public:
+    static constexpr const char* DEVICE_NAME = "Test Uinput External Stylus With Pressure";
+    static constexpr int16_t PRODUCT_ID = 46;
+
+    static constexpr int32_t RAW_PRESSURE_MIN = 0;
+    static constexpr int32_t RAW_PRESSURE_MAX = 255;
+
+    void setPressure(int32_t pressure);
+
     template <class D, class... Ts>
     friend std::unique_ptr<D> createUinputDevice(Ts... args);
 
 private:
-    UinputSteamController();
+    void configureDevice(int fd, uinput_user_dev* device) override;
+
+    explicit UinputExternalStylusWithPressure();
 };
 
 // --- UinputTouchScreen ---
-// A touch screen device with specific size.
-class UinputTouchScreen : public UinputDevice {
+
+// A multi-touch touchscreen device with specific size that also supports styluses.
+class UinputTouchScreen : public UinputKeyboard {
 public:
-    static constexpr const char* DEVICE_NAME = "Test Touch Screen";
+    static constexpr const char* DEVICE_NAME = "Test Uinput Touch Screen";
+    static constexpr int16_t PRODUCT_ID = 47;
+
     static const int32_t RAW_TOUCH_MIN = 0;
     static const int32_t RAW_TOUCH_MAX = 31;
     static const int32_t RAW_ID_MIN = 0;
@@ -147,7 +197,7 @@ public:
     const Point getCenterPoint();
 
 protected:
-    UinputTouchScreen(const Rect* size);
+    explicit UinputTouchScreen(const Rect& size);
 
 private:
     void configureDevice(int fd, uinput_user_dev* device) override;
@@ -155,5 +205,3 @@ private:
 };
 
 } // namespace android
-
-#endif // _UI_TEST_INPUT_UINPUT_INJECTOR_H
diff --git a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
index 29fa001185..4c84160a1d 100644
--- a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
+++ b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
@@ -24,6 +24,7 @@
 #include "ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter.h"
 
 #include "TestInputListener.h"
+#include "TestInputListenerMatchers.h"
 
 using ::testing::AllOf;
 
@@ -55,21 +56,6 @@ constexpr int CANCEL = AMOTION_EVENT_ACTION_CANCEL;
 
 constexpr int32_t FLAG_CANCELED = AMOTION_EVENT_FLAG_CANCELED;
 
-MATCHER_P(WithAction, action, "MotionEvent with specified action") {
-    bool result = true;
-    if (action == CANCEL) {
-        result &= (arg.flags & FLAG_CANCELED) != 0;
-    }
-    result &= arg.action == action;
-    *result_listener << "expected to receive " << MotionEvent::actionToString(action)
-                     << " but received " << MotionEvent::actionToString(arg.action) << " instead.";
-    return result;
-}
-
-MATCHER_P(WithFlags, flags, "MotionEvent with specified flags") {
-    return arg.flags == flags;
-}
-
 static nsecs_t toNs(std::chrono::nanoseconds duration) {
     return duration.count();
 }
@@ -428,11 +414,11 @@ protected:
 };
 
 /**
- * Create a basic configuration change and send it to input classifier.
+ * Create a basic configuration change and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
 TEST_F(UnwantedInteractionBlockerTest, ConfigurationChangedIsPassedToNextListener) {
-    // Create a basic configuration change and send to classifier
+    // Create a basic configuration change and send to blocker
     NotifyConfigurationChangedArgs args(1 /*sequenceNum*/, 2 /*eventTime*/);
 
     mBlocker->notifyConfigurationChanged(&args);
@@ -446,7 +432,7 @@ TEST_F(UnwantedInteractionBlockerTest, ConfigurationChangedIsPassedToNextListene
  * to next stage unmodified.
  */
 TEST_F(UnwantedInteractionBlockerTest, KeyIsPassedToNextListener) {
-    // Create a basic key event and send to classifier
+    // Create a basic key event and send to blocker
     NotifyKeyArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 21 /*readTime*/, 3 /*deviceId*/,
                        AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, 0 /*policyFlags*/,
                        AKEY_EVENT_ACTION_DOWN, 4 /*flags*/, AKEYCODE_HOME, 5 /*scanCode*/,
@@ -605,19 +591,19 @@ TEST_F(UnwantedInteractionBlockerTest, HeuristicFilterWorks) {
     // Small touch down
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Large touch oval on the next move
     NotifyMotionArgs args2 =
             generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, MOVE, {{4, 5, 200}});
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the touch to force the model to decide on whether it's a palm
     NotifyMotionArgs args3 =
             generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(CANCEL));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(CANCEL));
 }
 
 /**
@@ -633,14 +619,14 @@ TEST_F(UnwantedInteractionBlockerTest, StylusIsNotBlocked) {
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     args1.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Move the stylus, setting large TOUCH_MAJOR/TOUCH_MINOR dimensions
     NotifyMotionArgs args2 =
             generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, MOVE, {{4, 5, 200}});
     args2.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the stylus. If it were a touch event, this would force the model to decide on whether
     // it's a palm.
@@ -648,7 +634,7 @@ TEST_F(UnwantedInteractionBlockerTest, StylusIsNotBlocked) {
             generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
     args3.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(UP));
 }
 
 /**
@@ -664,21 +650,21 @@ TEST_F(UnwantedInteractionBlockerTest, TouchIsBlockedWhenMixedWithStylus) {
     // Touch down
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Stylus pointer down
     NotifyMotionArgs args2 = generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, POINTER_1_DOWN,
                                                 {{1, 2, 3}, {10, 20, 30}});
     args2.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(POINTER_1_DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(POINTER_1_DOWN));
 
     // Large touch oval on the next finger move
     NotifyMotionArgs args3 = generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, MOVE,
                                                 {{1, 2, 300}, {11, 21, 30}});
     args3.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the finger pointer. It should be canceled due to the heuristic filter.
     NotifyMotionArgs args4 = generateMotionArgs(0 /*downTime*/, 3 * RESAMPLE_PERIOD, POINTER_0_UP,
@@ -686,14 +672,14 @@ TEST_F(UnwantedInteractionBlockerTest, TouchIsBlockedWhenMixedWithStylus) {
     args4.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args4);
     mTestListener.assertNotifyMotionWasCalled(
-            AllOf(WithAction(POINTER_0_UP), WithFlags(FLAG_CANCELED)));
+            AllOf(WithMotionAction(POINTER_0_UP), WithFlags(FLAG_CANCELED)));
 
     NotifyMotionArgs args5 =
             generateMotionArgs(0 /*downTime*/, 4 * RESAMPLE_PERIOD, MOVE, {{12, 22, 30}});
     args5.pointerProperties[0].id = args4.pointerProperties[1].id;
     args5.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args5);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the stylus pointer
     NotifyMotionArgs args6 =
@@ -701,7 +687,7 @@ TEST_F(UnwantedInteractionBlockerTest, TouchIsBlockedWhenMixedWithStylus) {
     args6.pointerProperties[0].id = args4.pointerProperties[1].id;
     args6.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args6);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(UP));
 }
 
 using UnwantedInteractionBlockerTestDeathTest = UnwantedInteractionBlockerTest;
diff --git a/services/inputflinger/tests/fuzzers/Android.bp b/services/inputflinger/tests/fuzzers/Android.bp
index 455a1e2133..55c2db6c91 100644
--- a/services/inputflinger/tests/fuzzers/Android.bp
+++ b/services/inputflinger/tests/fuzzers/Android.bp
@@ -21,7 +21,6 @@ package {
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-
 cc_fuzz {
     name: "inputflinger_latencytracker_fuzzer",
     defaults: [
@@ -34,7 +33,6 @@ cc_fuzz {
         "libbase",
         "libbinder",
         "liblog",
-        "libui",
         "libutils",
         "libinput",
         "libinputflinger",
@@ -43,6 +41,107 @@ cc_fuzz {
         "LatencyTrackerFuzzer.cpp",
     ],
     fuzz_config: {
-       cc: ["android-framework-input@google.com"],
+        cc: ["android-framework-input@google.com"],
     },
 }
+
+cc_defaults {
+    name: "inputflinger_fuzz_defaults",
+    defaults: [
+        "inputflinger_defaults",
+    ],
+    include_dirs: [
+        "frameworks/native/services/inputflinger",
+    ],
+    shared_libs: [
+        "android.hardware.input.classifier@1.0",
+        "android.hardware.input.processor-V1-ndk",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "liblog",
+        "libutils",
+        "libinput",
+        "libinputflinger",
+        "libinputreader",
+        "libinputflinger_base",
+        "libstatslog",
+    ],
+    header_libs: [
+        "libbatteryservice_headers",
+        "libinputreader_headers",
+    ],
+    fuzz_config: {
+        cc: ["android-framework-input@google.com"],
+    },
+}
+
+cc_fuzz {
+    name: "inputflinger_cursor_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "CursorInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_keyboard_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "KeyboardInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_multitouch_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "MultiTouchInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_switch_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "SwitchInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_input_reader_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "InputReaderFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_blocking_queue_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "BlockingQueueFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_input_classifier_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "InputClassifierFuzzer.cpp",
+    ],
+}
diff --git a/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp b/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp
new file mode 100644
index 0000000000..d2595bfc9d
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fuzzer/FuzzedDataProvider.h>
+#include <thread>
+#include "BlockingQueue.h"
+
+// Chosen to be a number large enough for variation in fuzzer runs, but not consume too much memory.
+static constexpr size_t MAX_CAPACITY = 1024;
+
+namespace android {
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+    size_t capacity = fdp.ConsumeIntegralInRange<size_t>(1, MAX_CAPACITY);
+    size_t filled = 0;
+    BlockingQueue<int32_t> queue(capacity);
+
+    while (fdp.remaining_bytes() > 0) {
+        fdp.PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    size_t numPushes = fdp.ConsumeIntegralInRange<size_t>(0, capacity + 1);
+                    for (size_t i = 0; i < numPushes; i++) {
+                        queue.push(fdp.ConsumeIntegral<int32_t>());
+                    }
+                    filled = std::min(capacity, filled + numPushes);
+                },
+                [&]() -> void {
+                    // Pops blocks if it is empty, so only pop up to num elements inserted.
+                    size_t numPops = fdp.ConsumeIntegralInRange<size_t>(0, filled);
+                    for (size_t i = 0; i < numPops; i++) {
+                        queue.pop();
+                    }
+                    filled > numPops ? filled -= numPops : filled = 0;
+                },
+                [&]() -> void {
+                    queue.clear();
+                    filled = 0;
+                },
+                [&]() -> void {
+                    int32_t eraseElement = fdp.ConsumeIntegral<int32_t>();
+                    queue.erase([&](int32_t element) {
+                        if (element == eraseElement) {
+                            filled--;
+                            return true;
+                        }
+                        return false;
+                    });
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp
new file mode 100644
index 0000000000..cc523e12cd
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <CursorInputMapper.h>
+#include <FuzzContainer.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("cursor.mode", "pointer"); },
+             [&]() -> void { fuzzer.addProperty("cursor.mode", "navigation"); },
+             [&]() -> void {
+                 fuzzer.addProperty("cursor.mode", fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("cursor.orientationAware",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    CursorInputMapper& mapper = fuzzer.getMapper<CursorInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void {
+                    int32_t type, code;
+                    type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    unused += mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    mapper.getAssociatedDisplayId();
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/FuzzContainer.h b/services/inputflinger/tests/fuzzers/FuzzContainer.h
new file mode 100644
index 0000000000..1e0764f10f
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/FuzzContainer.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <InputDevice.h>
+#include <InputMapper.h>
+#include <InputReader.h>
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+class FuzzContainer {
+    std::shared_ptr<FuzzEventHub> mFuzzEventHub;
+    sp<FuzzInputReaderPolicy> mFuzzPolicy;
+    FuzzInputListener mFuzzListener;
+    std::unique_ptr<FuzzInputReaderContext> mFuzzContext;
+    std::unique_ptr<InputDevice> mFuzzDevice;
+    InputReaderConfiguration mPolicyConfig;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzContainer(std::shared_ptr<FuzzedDataProvider> fdp) : mFdp(fdp) {
+        // Setup parameters.
+        std::string deviceName = mFdp->ConsumeRandomLengthString(16);
+        std::string deviceLocation = mFdp->ConsumeRandomLengthString(12);
+        int32_t deviceID = mFdp->ConsumeIntegralInRange<int32_t>(0, 5);
+        int32_t deviceGeneration = mFdp->ConsumeIntegralInRange<int32_t>(/*from*/ 0, /*to*/ 5);
+
+        // Create mocked objects.
+        mFuzzEventHub = std::make_shared<FuzzEventHub>(mFdp);
+        mFuzzPolicy = sp<FuzzInputReaderPolicy>::make(mFdp);
+        mFuzzContext = std::make_unique<FuzzInputReaderContext>(mFuzzEventHub, mFuzzPolicy,
+                                                                mFuzzListener, mFdp);
+
+        InputDeviceIdentifier identifier;
+        identifier.name = deviceName;
+        identifier.location = deviceLocation;
+        mFuzzDevice = std::make_unique<InputDevice>(mFuzzContext.get(), deviceID, deviceGeneration,
+                                                    identifier);
+        mFuzzPolicy->getReaderConfiguration(&mPolicyConfig);
+    }
+
+    ~FuzzContainer() {}
+
+    void configureDevice() {
+        nsecs_t arbitraryTime = mFdp->ConsumeIntegral<nsecs_t>();
+        std::list<NotifyArgs> out;
+        out += mFuzzDevice->configure(arbitraryTime, &mPolicyConfig, 0);
+        out += mFuzzDevice->reset(arbitraryTime);
+        for (const NotifyArgs& args : out) {
+            mFuzzListener.notify(args);
+        }
+    }
+
+    void addProperty(std::string key, std::string value) {
+        mFuzzEventHub->addProperty(key, value);
+        configureDevice();
+    }
+
+    InputReaderConfiguration& getPolicyConfig() { return mPolicyConfig; }
+
+    template <class T, typename... Args>
+    T& getMapper(Args... args) {
+        T& mapper = mFuzzDevice->addMapper<T>(mFdp->ConsumeIntegral<int32_t>(), args...);
+        configureDevice();
+        return mapper;
+    }
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp b/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp
new file mode 100644
index 0000000000..c407cffdbf
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include "InputCommonConverter.h"
+#include "InputProcessor.h"
+
+namespace android {
+
+static constexpr int32_t MAX_AXES = 64;
+
+// Used by two fuzz operations and a bit lengthy, so pulled out into a function.
+NotifyMotionArgs generateFuzzedMotionArgs(FuzzedDataProvider &fdp) {
+    // Create a basic motion event for testing
+    PointerProperties properties;
+    properties.id = 0;
+    properties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+    PointerCoords coords;
+    coords.clear();
+    for (int32_t i = 0; i < fdp.ConsumeIntegralInRange<int32_t>(0, MAX_AXES); i++) {
+        coords.setAxisValue(fdp.ConsumeIntegral<int32_t>(), fdp.ConsumeFloatingPoint<float>());
+    }
+
+    const nsecs_t downTime = 2;
+    const nsecs_t readTime = downTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8);
+    NotifyMotionArgs motionArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                downTime /*eventTime*/, readTime,
+                                fdp.ConsumeIntegral<int32_t>() /*deviceId*/, AINPUT_SOURCE_ANY,
+                                ADISPLAY_ID_DEFAULT,
+                                fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                AMOTION_EVENT_ACTION_DOWN,
+                                fdp.ConsumeIntegral<int32_t>() /*actionButton*/,
+                                fdp.ConsumeIntegral<int32_t>() /*flags*/, AMETA_NONE,
+                                fdp.ConsumeIntegral<int32_t>() /*buttonState*/,
+                                MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                1 /*pointerCount*/, &properties, &coords,
+                                fdp.ConsumeFloatingPoint<float>() /*xPrecision*/,
+                                fdp.ConsumeFloatingPoint<float>() /*yPrecision*/,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime,
+                                {} /*videoFrames*/);
+    return motionArgs;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+
+    std::unique_ptr<FuzzInputListener> mFuzzListener = std::make_unique<FuzzInputListener>();
+    std::unique_ptr<InputProcessorInterface> mClassifier =
+            std::make_unique<InputProcessor>(*mFuzzListener);
+
+    while (fdp.remaining_bytes() > 0) {
+        fdp.PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    // SendToNextStage_NotifyConfigurationChangedArgs
+                    NotifyConfigurationChangedArgs
+                            args(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                 fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/);
+                    mClassifier->notifyConfigurationChanged(&args);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyKeyArgs
+                    const nsecs_t eventTime = fdp.ConsumeIntegral<nsecs_t>();
+                    const nsecs_t readTime =
+                            eventTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8);
+                    NotifyKeyArgs keyArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                          eventTime, readTime,
+                                          fdp.ConsumeIntegral<int32_t>() /*deviceId*/,
+                                          AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT,
+                                          fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                          AKEY_EVENT_ACTION_DOWN,
+                                          fdp.ConsumeIntegral<int32_t>() /*flags*/, AKEYCODE_HOME,
+                                          fdp.ConsumeIntegral<int32_t>() /*scanCode*/, AMETA_NONE,
+                                          fdp.ConsumeIntegral<nsecs_t>() /*downTime*/);
+
+                    mClassifier->notifyKey(&keyArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyMotionArgs
+                    NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp);
+                    mClassifier->notifyMotion(&motionArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifySwitchArgs
+                    NotifySwitchArgs switchArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                                fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*switchValues*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*switchMask*/);
+
+                    mClassifier->notifySwitch(&switchArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyDeviceResetArgs
+                    NotifyDeviceResetArgs resetArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                                    fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/,
+                                                    fdp.ConsumeIntegral<int32_t>() /*deviceId*/);
+
+                    mClassifier->notifyDeviceReset(&resetArgs);
+                },
+                [&]() -> void {
+                    // InputClassifierConverterTest
+                    const NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp);
+                    aidl::android::hardware::input::common::MotionEvent motionEvent =
+                            notifyMotionArgsToHalMotionEvent(motionArgs);
+                },
+        })();
+    }
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp b/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp
new file mode 100644
index 0000000000..057c15d6b8
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp
@@ -0,0 +1,292 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <InputReader.h>
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <input/InputDevice.h>
+#include <chrono>
+#include <thread>
+
+namespace android {
+
+constexpr InputDeviceSensorType kInputDeviceSensorType[] = {
+        InputDeviceSensorType::ACCELEROMETER,
+        InputDeviceSensorType::MAGNETIC_FIELD,
+        InputDeviceSensorType::ORIENTATION,
+        InputDeviceSensorType::GYROSCOPE,
+        InputDeviceSensorType::LIGHT,
+        InputDeviceSensorType::PRESSURE,
+        InputDeviceSensorType::TEMPERATURE,
+        InputDeviceSensorType::PROXIMITY,
+        InputDeviceSensorType::GRAVITY,
+        InputDeviceSensorType::LINEAR_ACCELERATION,
+        InputDeviceSensorType::ROTATION_VECTOR,
+        InputDeviceSensorType::RELATIVE_HUMIDITY,
+        InputDeviceSensorType::AMBIENT_TEMPERATURE,
+        InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED,
+        InputDeviceSensorType::GAME_ROTATION_VECTOR,
+        InputDeviceSensorType::GYROSCOPE_UNCALIBRATED,
+        InputDeviceSensorType::SIGNIFICANT_MOTION,
+};
+
+class FuzzInputReader : public InputReaderInterface {
+public:
+    FuzzInputReader(std::shared_ptr<EventHubInterface> fuzzEventHub,
+                    const sp<InputReaderPolicyInterface>& fuzzPolicy,
+                    InputListenerInterface& fuzzListener) {
+        reader = std::make_unique<InputReader>(fuzzEventHub, fuzzPolicy, fuzzListener);
+    }
+
+    void dump(std::string& dump) { reader->dump(dump); }
+
+    void monitor() { reader->monitor(); }
+
+    bool isInputDeviceEnabled(int32_t deviceId) { return reader->isInputDeviceEnabled(deviceId); }
+
+    status_t start() { return reader->start(); }
+
+    status_t stop() { return reader->stop(); }
+
+    std::vector<InputDeviceInfo> getInputDevices() const { return reader->getInputDevices(); }
+
+    int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask, int32_t scanCode) {
+        return reader->getScanCodeState(deviceId, sourceMask, scanCode);
+    }
+
+    int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask, int32_t keyCode) {
+        return reader->getKeyCodeState(deviceId, sourceMask, keyCode);
+    }
+
+    int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t sw) {
+        return reader->getSwitchState(deviceId, sourceMask, sw);
+    }
+
+    void toggleCapsLockState(int32_t deviceId) { reader->toggleCapsLockState(deviceId); }
+
+    bool hasKeys(int32_t deviceId, uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                 uint8_t* outFlags) {
+        return reader->hasKeys(deviceId, sourceMask, keyCodes, outFlags);
+    }
+
+    void requestRefreshConfiguration(uint32_t changes) {
+        reader->requestRefreshConfiguration(changes);
+    }
+
+    void vibrate(int32_t deviceId, const VibrationSequence& sequence, ssize_t repeat,
+                 int32_t token) {
+        reader->vibrate(deviceId, sequence, repeat, token);
+    }
+
+    void cancelVibrate(int32_t deviceId, int32_t token) { reader->cancelVibrate(deviceId, token); }
+
+    bool isVibrating(int32_t deviceId) { return reader->isVibrating(deviceId); }
+
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) {
+        return reader->getVibratorIds(deviceId);
+    }
+
+    std::optional<int32_t> getBatteryCapacity(int32_t deviceId) {
+        return reader->getBatteryCapacity(deviceId);
+    }
+
+    std::optional<int32_t> getBatteryStatus(int32_t deviceId) {
+        return reader->getBatteryStatus(deviceId);
+    }
+
+    std::optional<std::string> getBatteryDevicePath(int32_t deviceId) {
+        return reader->getBatteryDevicePath(deviceId);
+    }
+
+    std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) {
+        return reader->getLights(deviceId);
+    }
+
+    std::vector<InputDeviceSensorInfo> getSensors(int32_t deviceId) {
+        return reader->getSensors(deviceId);
+    }
+
+    bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) {
+        return reader->canDispatchToDisplay(deviceId, displayId);
+    }
+
+    bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+                      std::chrono::microseconds samplingPeriod,
+                      std::chrono::microseconds maxBatchReportLatency) {
+        return reader->enableSensor(deviceId, sensorType, samplingPeriod, maxBatchReportLatency);
+    }
+
+    void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+        return reader->disableSensor(deviceId, sensorType);
+    }
+
+    void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+        return reader->flushSensor(deviceId, sensorType);
+    }
+
+    bool setLightColor(int32_t deviceId, int32_t lightId, int32_t color) {
+        return reader->setLightColor(deviceId, lightId, color);
+    }
+
+    bool setLightPlayerId(int32_t deviceId, int32_t lightId, int32_t playerId) {
+        return reader->setLightPlayerId(deviceId, lightId, playerId);
+    }
+
+    std::optional<int32_t> getLightColor(int32_t deviceId, int32_t lightId) {
+        return reader->getLightColor(deviceId, lightId);
+    }
+
+    std::optional<int32_t> getLightPlayerId(int32_t deviceId, int32_t lightId) {
+        return reader->getLightPlayerId(deviceId, lightId);
+    }
+
+    void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const {
+        reader->addKeyRemapping(deviceId, fromKeyCode, toKeyCode);
+    }
+
+    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const {
+        return reader->getKeyCodeForKeyLocation(deviceId, locationKeyCode);
+    }
+
+    std::optional<std::string> getBluetoothAddress(int32_t deviceId) const {
+        return reader->getBluetoothAddress(deviceId);
+    }
+
+private:
+    std::unique_ptr<InputReaderInterface> reader;
+};
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+
+    FuzzInputListener fuzzListener;
+    sp<FuzzInputReaderPolicy> fuzzPolicy = sp<FuzzInputReaderPolicy>::make(fdp);
+    std::shared_ptr<FuzzEventHub> fuzzEventHub = std::make_shared<FuzzEventHub>(fdp);
+    std::unique_ptr<FuzzInputReader> reader =
+            std::make_unique<FuzzInputReader>(fuzzEventHub, fuzzPolicy, fuzzListener);
+    size_t patternCount = fdp->ConsumeIntegralInRange<size_t>(1, 260);
+    VibrationSequence pattern(patternCount);
+    for (size_t i = 0; i < patternCount; ++i) {
+        VibrationElement element(i);
+        element.addChannel(fdp->ConsumeIntegral<int32_t>() /* vibratorId */,
+                           fdp->ConsumeIntegral<uint8_t>() /* amplitude */);
+        pattern.addElement(element);
+    }
+    reader->vibrate(fdp->ConsumeIntegral<int32_t>(), pattern,
+                    fdp->ConsumeIntegral<ssize_t>() /*repeat*/,
+                    fdp->ConsumeIntegral<int32_t>() /*token*/);
+    reader->start();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    std::string dump;
+                    reader->dump(dump);
+                },
+                [&]() -> void { reader->monitor(); },
+                [&]() -> void { reader->getInputDevices(); },
+                [&]() -> void { reader->isInputDeviceEnabled(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    reader->getScanCodeState(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<uint32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getKeyCodeState(fdp->ConsumeIntegral<int32_t>(),
+                                            fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getSwitchState(fdp->ConsumeIntegral<int32_t>(),
+                                           fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void { reader->toggleCapsLockState(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    size_t count = fdp->ConsumeIntegralInRange<size_t>(1, 1024);
+                    std::vector<uint8_t> outFlags(count);
+                    std::vector<int32_t> keyCodes;
+                    for (size_t i = 0; i < count; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    reader->hasKeys(fdp->ConsumeIntegral<int32_t>(),
+                                    fdp->ConsumeIntegral<uint32_t>(), keyCodes, outFlags.data());
+                },
+                [&]() -> void {
+                    reader->requestRefreshConfiguration(fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    reader->cancelVibrate(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->canDispatchToDisplay(fdp->ConsumeIntegral<int32_t>(),
+                                                 fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getKeyCodeForKeyLocation(fdp->ConsumeIntegral<int32_t>(),
+                                                     fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void { reader->getBatteryCapacity(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getBatteryStatus(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getBatteryDevicePath(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getLights(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getSensors(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    reader->getLightPlayerId(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getLightColor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->setLightPlayerId(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->setLightColor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->flushSensor(fdp->ConsumeIntegral<int32_t>(),
+                                        fdp->PickValueInArray<InputDeviceSensorType>(
+                                                kInputDeviceSensorType));
+                },
+                [&]() -> void {
+                    reader->disableSensor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->PickValueInArray<InputDeviceSensorType>(
+                                                  kInputDeviceSensorType));
+                },
+                [&]() -> void {
+                    reader->enableSensor(fdp->ConsumeIntegral<int32_t>(),
+                                         fdp->PickValueInArray<InputDeviceSensorType>(
+                                                 kInputDeviceSensorType),
+                                         std::chrono::microseconds(fdp->ConsumeIntegral<size_t>()),
+                                         std::chrono::microseconds(fdp->ConsumeIntegral<size_t>()));
+                },
+                [&]() -> void { reader->getBluetoothAddress(fdp->ConsumeIntegral<int32_t>()); },
+        })();
+    }
+
+    reader->stop();
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
new file mode 100644
index 0000000000..e880f55891
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <KeyboardInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+const int32_t kMaxKeycodes = 100;
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("keyboard.orientationAware", "1"); },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.orientationAware",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.doNotWakeByDefault",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.handlesKeyRepeat",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    KeyboardInputMapper& mapper =
+            fuzzer.getMapper<KeyboardInputMapper>(fdp->ConsumeIntegral<uint32_t>(),
+                                                  fdp->ConsumeIntegral<int32_t>());
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void {
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    int32_t type, code;
+                    type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getKeyCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    std::vector<int32_t> keyCodes;
+                    int32_t numBytes = fdp->ConsumeIntegralInRange<int32_t>(0, kMaxKeycodes);
+                    for (int32_t i = 0; i < numBytes; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    mapper.markSupportedKeyCodes(fdp->ConsumeIntegral<uint32_t>(), keyCodes,
+                                                 nullptr);
+                },
+                [&]() -> void { mapper.getMetaState(); },
+                [&]() -> void { mapper.updateMetaState(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { mapper.getAssociatedDisplayId(); },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp b/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
index 4f066ad513..72780fb363 100644
--- a/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
+++ b/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
@@ -42,7 +42,7 @@ static sp<IBinder> getConnectionToken(FuzzedDataProvider& fdp,
     if (useExistingToken) {
         return tokens[fdp.ConsumeIntegralInRange<size_t>(0ul, tokens.size() - 1)];
     }
-    return new BBinder();
+    return sp<BBinder>::make();
 }
 
 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
@@ -54,7 +54,7 @@ extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
     // Make some pre-defined tokens to ensure that some timelines are complete.
     std::array<sp<IBinder> /*token*/, 10> predefinedTokens;
     for (size_t i = 0; i < predefinedTokens.size(); i++) {
-        predefinedTokens[i] = new BBinder();
+        predefinedTokens[i] = sp<BBinder>::make();
     }
 
     // Randomly invoke LatencyTracker api's until randomness is exhausted.
diff --git a/services/inputflinger/tests/fuzzers/MapperHelpers.h b/services/inputflinger/tests/fuzzers/MapperHelpers.h
new file mode 100644
index 0000000000..cd852d668c
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/MapperHelpers.h
@@ -0,0 +1,371 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <InputDevice.h>
+#include <InputMapper.h>
+#include <InputReader.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
+using android::hardware::input::InputDeviceCountryCode;
+
+constexpr size_t kValidTypes[] = {EV_SW,
+                                  EV_SYN,
+                                  SYN_REPORT,
+                                  EV_ABS,
+                                  EV_KEY,
+                                  EV_MSC,
+                                  EV_REL,
+                                  android::EventHubInterface::DEVICE_ADDED,
+                                  android::EventHubInterface::DEVICE_REMOVED,
+                                  android::EventHubInterface::FINISHED_DEVICE_SCAN};
+
+constexpr size_t kValidCodes[] = {
+        SYN_REPORT,
+        ABS_MT_SLOT,
+        SYN_MT_REPORT,
+        ABS_MT_POSITION_X,
+        ABS_MT_POSITION_Y,
+        ABS_MT_TOUCH_MAJOR,
+        ABS_MT_TOUCH_MINOR,
+        ABS_MT_WIDTH_MAJOR,
+        ABS_MT_WIDTH_MINOR,
+        ABS_MT_ORIENTATION,
+        ABS_MT_TRACKING_ID,
+        ABS_MT_PRESSURE,
+        ABS_MT_DISTANCE,
+        ABS_MT_TOOL_TYPE,
+        SYN_MT_REPORT,
+        MSC_SCAN,
+        REL_X,
+        REL_Y,
+        REL_WHEEL,
+        REL_HWHEEL,
+        BTN_LEFT,
+        BTN_RIGHT,
+        BTN_MIDDLE,
+        BTN_BACK,
+        BTN_SIDE,
+        BTN_FORWARD,
+        BTN_EXTRA,
+        BTN_TASK,
+};
+
+constexpr InputDeviceCountryCode kCountryCodes[] = {
+        InputDeviceCountryCode::INVALID,
+        InputDeviceCountryCode::NOT_SUPPORTED,
+        InputDeviceCountryCode::ARABIC,
+        InputDeviceCountryCode::BELGIAN,
+        InputDeviceCountryCode::CANADIAN_BILINGUAL,
+        InputDeviceCountryCode::CANADIAN_FRENCH,
+        InputDeviceCountryCode::CZECH_REPUBLIC,
+        InputDeviceCountryCode::DANISH,
+        InputDeviceCountryCode::FINNISH,
+        InputDeviceCountryCode::FRENCH,
+        InputDeviceCountryCode::GERMAN,
+        InputDeviceCountryCode::GREEK,
+        InputDeviceCountryCode::HEBREW,
+        InputDeviceCountryCode::HUNGARY,
+        InputDeviceCountryCode::INTERNATIONAL,
+        InputDeviceCountryCode::ITALIAN,
+        InputDeviceCountryCode::JAPAN,
+        InputDeviceCountryCode::KOREAN,
+        InputDeviceCountryCode::LATIN_AMERICAN,
+        InputDeviceCountryCode::DUTCH,
+        InputDeviceCountryCode::NORWEGIAN,
+        InputDeviceCountryCode::PERSIAN,
+        InputDeviceCountryCode::POLAND,
+        InputDeviceCountryCode::PORTUGUESE,
+        InputDeviceCountryCode::RUSSIA,
+        InputDeviceCountryCode::SLOVAKIA,
+        InputDeviceCountryCode::SPANISH,
+        InputDeviceCountryCode::SWEDISH,
+        InputDeviceCountryCode::SWISS_FRENCH,
+        InputDeviceCountryCode::SWISS_GERMAN,
+        InputDeviceCountryCode::SWITZERLAND,
+        InputDeviceCountryCode::TAIWAN,
+        InputDeviceCountryCode::TURKISH_Q,
+        InputDeviceCountryCode::UK,
+        InputDeviceCountryCode::US,
+        InputDeviceCountryCode::YUGOSLAVIA,
+        InputDeviceCountryCode::TURKISH_F,
+};
+
+constexpr size_t kMaxSize = 256;
+
+namespace android {
+
+class FuzzEventHub : public EventHubInterface {
+    InputDeviceIdentifier mIdentifier;
+    std::vector<TouchVideoFrame> mVideoFrames;
+    PropertyMap mFuzzConfig;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzEventHub(std::shared_ptr<FuzzedDataProvider> fdp) : mFdp(std::move(fdp)) {}
+    ~FuzzEventHub() {}
+    void addProperty(std::string key, std::string value) { mFuzzConfig.addProperty(key, value); }
+
+    ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override {
+        return ftl::Flags<InputDeviceClass>(mFdp->ConsumeIntegral<uint32_t>());
+    }
+    InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override {
+        return mIdentifier;
+    }
+    int32_t getDeviceControllerNumber(int32_t deviceId) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const override {
+        *outConfiguration = mFuzzConfig;
+    }
+    status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+                                 RawAbsoluteAxisInfo* outAxisInfo) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    bool hasRelativeAxis(int32_t deviceId, int axis) const override { return mFdp->ConsumeBool(); }
+    bool hasInputProperty(int32_t deviceId, int property) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasMscEvent(int32_t deviceId, int mscEvent) const override { return mFdp->ConsumeBool(); }
+    status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
+                    int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    status_t mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    void setExcludedDevices(const std::vector<std::string>& devices) override {}
+    std::vector<RawEvent> getEvents(int timeoutMillis) override {
+        std::vector<RawEvent> events;
+        const size_t count = mFdp->ConsumeIntegralInRange<size_t>(0, kMaxSize);
+        for (size_t i = 0; i < count; ++i) {
+            int32_t type = mFdp->ConsumeBool() ? mFdp->PickValueInArray(kValidTypes)
+                                               : mFdp->ConsumeIntegral<int32_t>();
+            int32_t code = mFdp->ConsumeBool() ? mFdp->PickValueInArray(kValidCodes)
+                                               : mFdp->ConsumeIntegral<int32_t>();
+            events.push_back({
+                    .when = mFdp->ConsumeIntegral<nsecs_t>(),
+                    .readTime = mFdp->ConsumeIntegral<nsecs_t>(),
+                    .deviceId = mFdp->ConsumeIntegral<int32_t>(),
+                    .type = type,
+                    .code = code,
+                    .value = mFdp->ConsumeIntegral<int32_t>(),
+            });
+        }
+        return events;
+    }
+    std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override { return mVideoFrames; }
+
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const override {
+        return base::ResultError("Fuzzer", UNKNOWN_ERROR);
+    };
+    // Raw batteries are sysfs power_supply nodes we found from the EventHub device sysfs node,
+    // containing the raw info of the sysfs node structure.
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override { return {}; }
+    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
+                                                    int32_t BatteryId) const override {
+        return std::nullopt;
+    };
+
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override { return {}; };
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override{};
+    std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
+            int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    void setLightIntensities(int32_t deviceId, int32_t lightId,
+                             std::unordered_map<LightColor, int32_t> intensities) override{};
+
+    InputDeviceCountryCode getCountryCode(int32_t deviceId) const override {
+        return mFdp->PickValueInArray<InputDeviceCountryCode>(kCountryCodes);
+    };
+
+    int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    int32_t getSwitchState(int32_t deviceId, int32_t sw) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    void addKeyRemapping(int32_t deviceId, int32_t fromKeyCode, int32_t toKeyCode) const override {}
+    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
+                                  int32_t* outValue) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
+                               uint8_t* outFlags) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasScanCode(int32_t deviceId, int32_t scanCode) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasLed(int32_t deviceId, int32_t led) const override { return mFdp->ConsumeBool(); }
+    void setLedState(int32_t deviceId, int32_t led, bool on) override {}
+    void getVirtualKeyDefinitions(
+            int32_t deviceId, std::vector<VirtualKeyDefinition>& outVirtualKeys) const override {}
+    const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const override {
+        return nullptr;
+    }
+    bool setKeyboardLayoutOverlay(int32_t deviceId, std::shared_ptr<KeyCharacterMap> map) override {
+        return mFdp->ConsumeBool();
+    }
+    void vibrate(int32_t deviceId, const VibrationElement& effect) override {}
+    void cancelVibrate(int32_t deviceId) override {}
+
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override { return {}; };
+
+    /* Query battery level. */
+    std::optional<int32_t> getBatteryCapacity(int32_t deviceId, int32_t batteryId) const override {
+        return std::nullopt;
+    };
+
+    /* Query battery status. */
+    std::optional<int32_t> getBatteryStatus(int32_t deviceId, int32_t batteryId) const override {
+        return std::nullopt;
+    };
+
+    void requestReopenDevices() override {}
+    void wake() override {}
+    void dump(std::string& dump) const override {}
+    void monitor() const override {}
+    bool isDeviceEnabled(int32_t deviceId) const override { return mFdp->ConsumeBool(); }
+    status_t enableDevice(int32_t deviceId) override { return mFdp->ConsumeIntegral<status_t>(); }
+    status_t disableDevice(int32_t deviceId) override { return mFdp->ConsumeIntegral<status_t>(); }
+};
+
+class FuzzPointerController : public PointerControllerInterface {
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzPointerController(std::shared_ptr<FuzzedDataProvider> mFdp) : mFdp(mFdp) {}
+    ~FuzzPointerController() {}
+    bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const override {
+        return mFdp->ConsumeBool();
+    }
+    void move(float deltaX, float deltaY) override {}
+    void setButtonState(int32_t buttonState) override {}
+    int32_t getButtonState() const override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void setPosition(float x, float y) override {}
+    void getPosition(float* outX, float* outY) const override {}
+    void fade(Transition transition) override {}
+    void unfade(Transition transition) override {}
+    void setPresentation(Presentation presentation) override {}
+    void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
+                  BitSet32 spotIdBits, int32_t displayId) override {}
+    void clearSpots() override {}
+    int32_t getDisplayId() const override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void setDisplayViewport(const DisplayViewport& displayViewport) override {}
+};
+
+class FuzzInputReaderPolicy : public InputReaderPolicyInterface {
+    TouchAffineTransformation mTransform;
+    std::shared_ptr<FuzzPointerController> mPointerController;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+protected:
+    ~FuzzInputReaderPolicy() {}
+
+public:
+    FuzzInputReaderPolicy(std::shared_ptr<FuzzedDataProvider> mFdp) : mFdp(mFdp) {
+        mPointerController = std::make_shared<FuzzPointerController>(mFdp);
+    }
+    void getReaderConfiguration(InputReaderConfiguration* outConfig) override {}
+    std::shared_ptr<PointerControllerInterface> obtainPointerController(int32_t deviceId) override {
+        return mPointerController;
+    }
+    void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) override {}
+    std::shared_ptr<KeyCharacterMap> getKeyboardLayoutOverlay(
+            const InputDeviceIdentifier& identifier) override {
+        return nullptr;
+    }
+    std::string getDeviceAlias(const InputDeviceIdentifier& identifier) {
+        return mFdp->ConsumeRandomLengthString(32);
+    }
+    TouchAffineTransformation getTouchAffineTransformation(const std::string& inputDeviceDescriptor,
+                                                           ui::Rotation surfaceRotation) override {
+        return mTransform;
+    }
+    void setTouchAffineTransformation(const TouchAffineTransformation t) { mTransform = t; }
+    void notifyStylusGestureStarted(int32_t, nsecs_t) {}
+};
+
+class FuzzInputListener : public virtual InputListenerInterface {
+public:
+    void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override {}
+    void notifyKey(const NotifyKeyArgs* args) override {}
+    void notifyMotion(const NotifyMotionArgs* args) override {}
+    void notifySwitch(const NotifySwitchArgs* args) override {}
+    void notifySensor(const NotifySensorArgs* args) override{};
+    void notifyVibratorState(const NotifyVibratorStateArgs* args) override{};
+    void notifyDeviceReset(const NotifyDeviceResetArgs* args) override {}
+    void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override{};
+};
+
+class FuzzInputReaderContext : public InputReaderContext {
+    std::shared_ptr<EventHubInterface> mEventHub;
+    sp<InputReaderPolicyInterface> mPolicy;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzInputReaderContext(std::shared_ptr<EventHubInterface> eventHub,
+                           const sp<InputReaderPolicyInterface>& policy,
+                           InputListenerInterface& listener,
+                           std::shared_ptr<FuzzedDataProvider> mFdp)
+          : mEventHub(eventHub), mPolicy(policy), mFdp(mFdp) {}
+    ~FuzzInputReaderContext() {}
+    void updateGlobalMetaState() override {}
+    int32_t getGlobalMetaState() { return mFdp->ConsumeIntegral<int32_t>(); }
+    void disableVirtualKeysUntil(nsecs_t time) override {}
+    bool shouldDropVirtualKey(nsecs_t now, int32_t keyCode, int32_t scanCode) override {
+        return mFdp->ConsumeBool();
+    }
+    void fadePointer() override {}
+    std::shared_ptr<PointerControllerInterface> getPointerController(int32_t deviceId) override {
+        return mPolicy->obtainPointerController(0);
+    }
+    void requestTimeoutAtTime(nsecs_t when) override {}
+    int32_t bumpGeneration() override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) override {}
+    std::list<NotifyArgs> dispatchExternalStylusState(const StylusState& outState) override {
+        return {};
+    }
+    InputReaderPolicyInterface* getPolicy() override { return mPolicy.get(); }
+    EventHubInterface* getEventHub() override { return mEventHub.get(); }
+    int32_t getNextId() override { return mFdp->ConsumeIntegral<int32_t>(); }
+
+    void updateLedMetaState(int32_t metaState) override{};
+    int32_t getLedMetaState() override { return mFdp->ConsumeIntegral<int32_t>(); };
+    void notifyStylusGestureStarted(int32_t, nsecs_t) {}
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp
new file mode 100644
index 0000000000..99fd0831a9
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <MultiTouchInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+const int32_t kMaxKeycodes = 100;
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("touch.deviceType", "touchScreen"); },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.deviceType", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.scale", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.bias", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.isSummed",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.calibration",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.pressure.scale",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.calibration",
+                                    fdp->ConsumeBool() ? "diameter" : "area");
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.pressure.calibration",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    MultiTouchInputMapper& mapper = fuzzer.getMapper<MultiTouchInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void {
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    int32_t type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    int32_t code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getKeyCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    std::vector<int32_t> keyCodes;
+                    int32_t numBytes = fdp->ConsumeIntegralInRange<int32_t>(0, kMaxKeycodes);
+                    for (int32_t i = 0; i < numBytes; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    mapper.markSupportedKeyCodes(fdp->ConsumeIntegral<uint32_t>(), keyCodes,
+                                                 nullptr);
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.cancelTouch(fdp->ConsumeIntegral<nsecs_t>(),
+                                               fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.timeoutExpired(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    StylusState state{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeFloatingPoint<float>(),
+                                      fdp->ConsumeIntegral<uint32_t>(),
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.updateExternalStylusState(state);
+                },
+                [&]() -> void { mapper.getAssociatedDisplayId(); },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp
new file mode 100644
index 0000000000..7416ce9d47
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <SwitchInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    SwitchInputMapper& mapper = fuzzer.getMapper<SwitchInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    int32_t type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    int32_t code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getSwitchState(fdp->ConsumeIntegral<uint32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/powermanager/Android.bp b/services/powermanager/Android.bp
index 6fbba3f568..7fb33e5dcf 100644
--- a/services/powermanager/Android.bp
+++ b/services/powermanager/Android.bp
@@ -38,7 +38,9 @@ cc_library_shared {
         "libutils",
         "android.hardware.power@1.0",
         "android.hardware.power@1.1",
-        "android.hardware.power-V3-cpp",
+        "android.hardware.power@1.2",
+        "android.hardware.power@1.3",
+        "android.hardware.power-V4-cpp",
     ],
 
     cflags: [
diff --git a/services/powermanager/PowerHalController.cpp b/services/powermanager/PowerHalController.cpp
index 8c225d5d02..f89035fd1c 100644
--- a/services/powermanager/PowerHalController.cpp
+++ b/services/powermanager/PowerHalController.cpp
@@ -33,16 +33,20 @@ namespace power {
 // -------------------------------------------------------------------------------------------------
 
 std::unique_ptr<HalWrapper> HalConnector::connect() {
-    sp<IPower> halAidl = PowerHalLoader::loadAidl();
-    if (halAidl) {
+    if (sp<IPower> halAidl = PowerHalLoader::loadAidl()) {
         return std::make_unique<AidlHalWrapper>(halAidl);
     }
-    sp<V1_0::IPower> halHidlV1_0 = PowerHalLoader::loadHidlV1_0();
-    sp<V1_1::IPower> halHidlV1_1 = PowerHalLoader::loadHidlV1_1();
-    if (halHidlV1_1) {
-        return std::make_unique<HidlHalWrapperV1_1>(halHidlV1_0, halHidlV1_1);
-    }
-    if (halHidlV1_0) {
+    // If V1_0 isn't defined, none of them are
+    if (sp<V1_0::IPower> halHidlV1_0 = PowerHalLoader::loadHidlV1_0()) {
+        if (sp<V1_3::IPower> halHidlV1_3 = PowerHalLoader::loadHidlV1_3()) {
+            return std::make_unique<HidlHalWrapperV1_3>(halHidlV1_3);
+        }
+        if (sp<V1_2::IPower> halHidlV1_2 = PowerHalLoader::loadHidlV1_2()) {
+            return std::make_unique<HidlHalWrapperV1_2>(halHidlV1_2);
+        }
+        if (sp<V1_1::IPower> halHidlV1_1 = PowerHalLoader::loadHidlV1_1()) {
+            return std::make_unique<HidlHalWrapperV1_1>(halHidlV1_1);
+        }
         return std::make_unique<HidlHalWrapperV1_0>(halHidlV1_0);
     }
     return nullptr;
diff --git a/services/powermanager/PowerHalLoader.cpp b/services/powermanager/PowerHalLoader.cpp
index 1f1b43a607..6bd40f8ff2 100644
--- a/services/powermanager/PowerHalLoader.cpp
+++ b/services/powermanager/PowerHalLoader.cpp
@@ -17,6 +17,8 @@
 #define LOG_TAG "PowerHalLoader"
 
 #include <android/hardware/power/1.1/IPower.h>
+#include <android/hardware/power/1.2/IPower.h>
+#include <android/hardware/power/1.3/IPower.h>
 #include <android/hardware/power/IPower.h>
 #include <binder/IServiceManager.h>
 #include <hardware/power.h>
@@ -55,12 +57,16 @@ std::mutex PowerHalLoader::gHalMutex;
 sp<IPower> PowerHalLoader::gHalAidl = nullptr;
 sp<V1_0::IPower> PowerHalLoader::gHalHidlV1_0 = nullptr;
 sp<V1_1::IPower> PowerHalLoader::gHalHidlV1_1 = nullptr;
+sp<V1_2::IPower> PowerHalLoader::gHalHidlV1_2 = nullptr;
+sp<V1_3::IPower> PowerHalLoader::gHalHidlV1_3 = nullptr;
 
 void PowerHalLoader::unloadAll() {
     std::lock_guard<std::mutex> lock(gHalMutex);
     gHalAidl = nullptr;
     gHalHidlV1_0 = nullptr;
     gHalHidlV1_1 = nullptr;
+    gHalHidlV1_2 = nullptr;
+    gHalHidlV1_3 = nullptr;
 }
 
 sp<IPower> PowerHalLoader::loadAidl() {
@@ -82,6 +88,20 @@ sp<V1_1::IPower> PowerHalLoader::loadHidlV1_1() {
     return loadHal<V1_1::IPower>(gHalExists, gHalHidlV1_1, loadFn, "HIDL v1.1");
 }
 
+sp<V1_2::IPower> PowerHalLoader::loadHidlV1_2() {
+    std::lock_guard<std::mutex> lock(gHalMutex);
+    static bool gHalExists = true;
+    static auto loadFn = []() { return V1_2::IPower::castFrom(loadHidlV1_0Locked()); };
+    return loadHal<V1_2::IPower>(gHalExists, gHalHidlV1_2, loadFn, "HIDL v1.2");
+}
+
+sp<V1_3::IPower> PowerHalLoader::loadHidlV1_3() {
+    std::lock_guard<std::mutex> lock(gHalMutex);
+    static bool gHalExists = true;
+    static auto loadFn = []() { return V1_3::IPower::castFrom(loadHidlV1_0Locked()); };
+    return loadHal<V1_3::IPower>(gHalExists, gHalHidlV1_3, loadFn, "HIDL v1.3");
+}
+
 sp<V1_0::IPower> PowerHalLoader::loadHidlV1_0Locked() {
     static bool gHalExists = true;
     static auto loadFn = []() { return V1_0::IPower::getService(); };
diff --git a/services/powermanager/PowerHalWrapper.cpp b/services/powermanager/PowerHalWrapper.cpp
index d74bd23a8d..9e7adf8e5c 100644
--- a/services/powermanager/PowerHalWrapper.cpp
+++ b/services/powermanager/PowerHalWrapper.cpp
@@ -24,8 +24,6 @@
 #include <cinttypes>
 
 using namespace android::hardware::power;
-namespace V1_0 = android::hardware::power::V1_0;
-namespace V1_1 = android::hardware::power::V1_1;
 namespace Aidl = android::hardware::power;
 
 namespace android {
@@ -108,7 +106,7 @@ HalResult<int64_t> EmptyHalWrapper::getHintSessionPreferredRate() {
 
 HalResult<void> HidlHalWrapperV1_0::setBoost(Boost boost, int32_t durationMs) {
     if (boost == Boost::INTERACTION) {
-        return sendPowerHint(V1_0::PowerHint::INTERACTION, durationMs);
+        return sendPowerHint(V1_3::PowerHint::INTERACTION, durationMs);
     } else {
         ALOGV("Skipped setBoost %s because Power HAL AIDL not available", toString(boost).c_str());
         return HalResult<void>::unsupported();
@@ -119,13 +117,13 @@ HalResult<void> HidlHalWrapperV1_0::setMode(Mode mode, bool enabled) {
     uint32_t data = enabled ? 1 : 0;
     switch (mode) {
         case Mode::LAUNCH:
-            return sendPowerHint(V1_0::PowerHint::LAUNCH, data);
+            return sendPowerHint(V1_3::PowerHint::LAUNCH, data);
         case Mode::LOW_POWER:
-            return sendPowerHint(V1_0::PowerHint::LOW_POWER, data);
+            return sendPowerHint(V1_3::PowerHint::LOW_POWER, data);
         case Mode::SUSTAINED_PERFORMANCE:
-            return sendPowerHint(V1_0::PowerHint::SUSTAINED_PERFORMANCE, data);
+            return sendPowerHint(V1_3::PowerHint::SUSTAINED_PERFORMANCE, data);
         case Mode::VR:
-            return sendPowerHint(V1_0::PowerHint::VR_MODE, data);
+            return sendPowerHint(V1_3::PowerHint::VR_MODE, data);
         case Mode::INTERACTIVE:
             return setInteractive(enabled);
         case Mode::DOUBLE_TAP_TO_WAKE:
@@ -137,8 +135,8 @@ HalResult<void> HidlHalWrapperV1_0::setMode(Mode mode, bool enabled) {
     }
 }
 
-HalResult<void> HidlHalWrapperV1_0::sendPowerHint(V1_0::PowerHint hintId, uint32_t data) {
-    auto ret = mHandleV1_0->powerHint(hintId, data);
+HalResult<void> HidlHalWrapperV1_0::sendPowerHint(V1_3::PowerHint hintId, uint32_t data) {
+    auto ret = mHandleV1_0->powerHint(static_cast<V1_0::PowerHint>(hintId), data);
     return HalResult<void>::fromReturn(ret);
 }
 
@@ -152,7 +150,7 @@ HalResult<void> HidlHalWrapperV1_0::setFeature(V1_0::Feature feature, bool enabl
     return HalResult<void>::fromReturn(ret);
 }
 
-HalResult<sp<Aidl::IPowerHintSession>> HidlHalWrapperV1_0::createHintSession(
+HalResult<sp<hardware::power::IPowerHintSession>> HidlHalWrapperV1_0::createHintSession(
         int32_t, int32_t, const std::vector<int32_t>& threadIds, int64_t) {
     ALOGV("Skipped createHintSession(task num=%zu) because Power HAL not available",
           threadIds.size());
@@ -166,8 +164,59 @@ HalResult<int64_t> HidlHalWrapperV1_0::getHintSessionPreferredRate() {
 
 // -------------------------------------------------------------------------------------------------
 
-HalResult<void> HidlHalWrapperV1_1::sendPowerHint(V1_0::PowerHint hintId, uint32_t data) {
-    auto ret = mHandleV1_1->powerHintAsync(hintId, data);
+HalResult<void> HidlHalWrapperV1_1::sendPowerHint(V1_3::PowerHint hintId, uint32_t data) {
+    auto handle = static_cast<V1_1::IPower*>(mHandleV1_0.get());
+    auto ret = handle->powerHintAsync(static_cast<V1_0::PowerHint>(hintId), data);
+    return HalResult<void>::fromReturn(ret);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+HalResult<void> HidlHalWrapperV1_2::sendPowerHint(V1_3::PowerHint hintId, uint32_t data) {
+    auto handle = static_cast<V1_2::IPower*>(mHandleV1_0.get());
+    auto ret = handle->powerHintAsync_1_2(static_cast<V1_2::PowerHint>(hintId), data);
+    return HalResult<void>::fromReturn(ret);
+}
+
+HalResult<void> HidlHalWrapperV1_2::setBoost(Boost boost, int32_t durationMs) {
+    switch (boost) {
+        case Boost::CAMERA_SHOT:
+            return sendPowerHint(V1_3::PowerHint::CAMERA_SHOT, durationMs);
+        case Boost::CAMERA_LAUNCH:
+            return sendPowerHint(V1_3::PowerHint::CAMERA_LAUNCH, durationMs);
+        default:
+            return HidlHalWrapperV1_1::setBoost(boost, durationMs);
+    }
+}
+
+HalResult<void> HidlHalWrapperV1_2::setMode(Mode mode, bool enabled) {
+    uint32_t data = enabled ? 1 : 0;
+    switch (mode) {
+        case Mode::CAMERA_STREAMING_SECURE:
+        case Mode::CAMERA_STREAMING_LOW:
+        case Mode::CAMERA_STREAMING_MID:
+        case Mode::CAMERA_STREAMING_HIGH:
+            return sendPowerHint(V1_3::PowerHint::CAMERA_STREAMING, data);
+        case Mode::AUDIO_STREAMING_LOW_LATENCY:
+            return sendPowerHint(V1_3::PowerHint::AUDIO_LOW_LATENCY, data);
+        default:
+            return HidlHalWrapperV1_1::setMode(mode, enabled);
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+
+HalResult<void> HidlHalWrapperV1_3::setMode(Mode mode, bool enabled) {
+    uint32_t data = enabled ? 1 : 0;
+    if (mode == Mode::EXPENSIVE_RENDERING) {
+        return sendPowerHint(V1_3::PowerHint::EXPENSIVE_RENDERING, data);
+    }
+    return HidlHalWrapperV1_2::setMode(mode, enabled);
+}
+
+HalResult<void> HidlHalWrapperV1_3::sendPowerHint(V1_3::PowerHint hintId, uint32_t data) {
+    auto handle = static_cast<V1_3::IPower*>(mHandleV1_0.get());
+    auto ret = handle->powerHintAsync_1_3(hintId, data);
     return HalResult<void>::fromReturn(ret);
 }
 
diff --git a/services/powermanager/benchmarks/Android.bp b/services/powermanager/benchmarks/Android.bp
index fcb012fc75..4343aec227 100644
--- a/services/powermanager/benchmarks/Android.bp
+++ b/services/powermanager/benchmarks/Android.bp
@@ -38,7 +38,9 @@ cc_benchmark {
         "libutils",
         "android.hardware.power@1.0",
         "android.hardware.power@1.1",
-        "android.hardware.power-V3-cpp",
+        "android.hardware.power@1.2",
+        "android.hardware.power@1.3",
+        "android.hardware.power-V4-cpp",
     ],
     static_libs: [
         "libtestUtil",
diff --git a/services/powermanager/tests/Android.bp b/services/powermanager/tests/Android.bp
index 962784cbae..54dffcf817 100644
--- a/services/powermanager/tests/Android.bp
+++ b/services/powermanager/tests/Android.bp
@@ -31,6 +31,8 @@ cc_test {
         "PowerHalWrapperAidlTest.cpp",
         "PowerHalWrapperHidlV1_0Test.cpp",
         "PowerHalWrapperHidlV1_1Test.cpp",
+        "PowerHalWrapperHidlV1_2Test.cpp",
+        "PowerHalWrapperHidlV1_3Test.cpp",
         "WorkSourceTest.cpp",
     ],
     cflags: [
@@ -47,7 +49,9 @@ cc_test {
         "libutils",
         "android.hardware.power@1.0",
         "android.hardware.power@1.1",
-        "android.hardware.power-V3-cpp",
+        "android.hardware.power@1.2",
+        "android.hardware.power@1.3",
+        "android.hardware.power-V4-cpp",
     ],
     static_libs: [
         "libgmock",
diff --git a/services/powermanager/tests/PowerHalLoaderTest.cpp b/services/powermanager/tests/PowerHalLoaderTest.cpp
index 058e1b5ca8..e36deed042 100644
--- a/services/powermanager/tests/PowerHalLoaderTest.cpp
+++ b/services/powermanager/tests/PowerHalLoaderTest.cpp
@@ -26,6 +26,8 @@
 
 using IPowerV1_0 = android::hardware::power::V1_0::IPower;
 using IPowerV1_1 = android::hardware::power::V1_1::IPower;
+using IPowerV1_2 = android::hardware::power::V1_2::IPower;
+using IPowerV1_3 = android::hardware::power::V1_3::IPower;
 using IPowerAidl = android::hardware::power::IPower;
 
 using namespace android;
@@ -52,6 +54,16 @@ sp<IPowerV1_1> loadHal<IPowerV1_1>() {
     return PowerHalLoader::loadHidlV1_1();
 }
 
+template <>
+sp<IPowerV1_2> loadHal<IPowerV1_2>() {
+    return PowerHalLoader::loadHidlV1_2();
+}
+
+template <>
+sp<IPowerV1_3> loadHal<IPowerV1_3>() {
+    return PowerHalLoader::loadHidlV1_3();
+}
+
 // -------------------------------------------------------------------------------------------------
 
 template <typename T>
@@ -63,7 +75,7 @@ public:
 
 // -------------------------------------------------------------------------------------------------
 
-typedef ::testing::Types<IPowerAidl, IPowerV1_0, IPowerV1_1> PowerHalTypes;
+typedef ::testing::Types<IPowerAidl, IPowerV1_0, IPowerV1_1, IPowerV1_2, IPowerV1_3> PowerHalTypes;
 TYPED_TEST_SUITE(PowerHalLoaderTest, PowerHalTypes);
 
 TYPED_TEST(PowerHalLoaderTest, TestLoadsOnlyOnce) {
diff --git a/services/powermanager/tests/PowerHalWrapperHidlV1_0Test.cpp b/services/powermanager/tests/PowerHalWrapperHidlV1_0Test.cpp
index b54762cf6d..0cd2e22e7e 100644
--- a/services/powermanager/tests/PowerHalWrapperHidlV1_0Test.cpp
+++ b/services/powermanager/tests/PowerHalWrapperHidlV1_0Test.cpp
@@ -87,18 +87,28 @@ TEST_F(PowerHalWrapperHidlV1_0Test, TestSetBoostFailed) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_0Test, TestSetBoostUnsupported) {
+    EXPECT_CALL(*mMockHal.get(), powerHint(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
     auto result = mWrapper->setBoost(Boost::CAMERA_LAUNCH, 10);
     ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::ML_ACC, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::DISPLAY_UPDATE_IMMINENT, 10);
+    ASSERT_TRUE(result.isUnsupported());
 }
 
 TEST_F(PowerHalWrapperHidlV1_0Test, TestSetModeSuccessful) {
     {
         InSequence seq;
-        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::LAUNCH), Eq(1))).Times(Exactly(1));
-        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::LOW_POWER), Eq(0))).Times(Exactly(1));
-        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::SUSTAINED_PERFORMANCE), Eq(1)))
+        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::LAUNCH), Eq(true))).Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::LOW_POWER), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::SUSTAINED_PERFORMANCE), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::VR_MODE), Eq(false)))
                 .Times(Exactly(1));
-        EXPECT_CALL(*mMockHal.get(), powerHint(Eq(PowerHint::VR_MODE), Eq(0))).Times(Exactly(1));
         EXPECT_CALL(*mMockHal.get(), setInteractive(Eq(true))).Times(Exactly(1));
         EXPECT_CALL(*mMockHal.get(),
                     setFeature(Eq(Feature::POWER_FEATURE_DOUBLE_TAP_TO_WAKE), Eq(false)))
@@ -131,6 +141,16 @@ TEST_F(PowerHalWrapperHidlV1_0Test, TestSetModeFailed) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_0Test, TestSetModeIgnored) {
+    EXPECT_CALL(*mMockHal.get(), powerHint(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
     auto result = mWrapper->setMode(Mode::CAMERA_STREAMING_HIGH, true);
     ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::EXPENSIVE_RENDERING, false);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::FIXED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::GAME_LOADING, false);
+    ASSERT_TRUE(result.isUnsupported());
 }
diff --git a/services/powermanager/tests/PowerHalWrapperHidlV1_1Test.cpp b/services/powermanager/tests/PowerHalWrapperHidlV1_1Test.cpp
index d30e8d2c49..32f84e20b6 100644
--- a/services/powermanager/tests/PowerHalWrapperHidlV1_1Test.cpp
+++ b/services/powermanager/tests/PowerHalWrapperHidlV1_1Test.cpp
@@ -31,7 +31,6 @@ using android::hardware::power::Mode;
 using android::hardware::power::V1_0::Feature;
 using android::hardware::power::V1_0::PowerHint;
 using IPowerV1_1 = android::hardware::power::V1_1::IPower;
-using IPowerV1_0 = android::hardware::power::V1_0::IPower;
 
 using namespace android;
 using namespace android::power;
@@ -40,15 +39,6 @@ using namespace testing;
 
 // -------------------------------------------------------------------------------------------------
 
-class MockIPowerV1_0 : public IPowerV1_0 {
-public:
-    MOCK_METHOD(hardware::Return<void>, setInteractive, (bool interactive), (override));
-    MOCK_METHOD(hardware::Return<void>, powerHint, (PowerHint hint, int32_t data), (override));
-    MOCK_METHOD(hardware::Return<void>, setFeature, (Feature feature, bool activate), (override));
-    MOCK_METHOD(hardware::Return<void>, getPlatformLowPowerStats,
-                (getPlatformLowPowerStats_cb _hidl_cb), (override));
-};
-
 class MockIPowerV1_1 : public IPowerV1_1 {
 public:
     MOCK_METHOD(hardware::Return<void>, setInteractive, (bool interactive), (override));
@@ -69,23 +59,22 @@ public:
 
 protected:
     std::unique_ptr<HalWrapper> mWrapper = nullptr;
-    sp<StrictMock<MockIPowerV1_0>> mMockHalV1_0 = nullptr;
-    sp<StrictMock<MockIPowerV1_1>> mMockHalV1_1 = nullptr;
+    sp<StrictMock<MockIPowerV1_1>> mMockHal = nullptr;
 };
 
 // -------------------------------------------------------------------------------------------------
 
 void PowerHalWrapperHidlV1_1Test::SetUp() {
-    mMockHalV1_0 = new StrictMock<MockIPowerV1_0>();
-    mMockHalV1_1 = new StrictMock<MockIPowerV1_1>();
-    mWrapper = std::make_unique<HidlHalWrapperV1_1>(mMockHalV1_0, mMockHalV1_1);
+    mMockHal = new StrictMock<MockIPowerV1_1>();
+    mWrapper = std::make_unique<HidlHalWrapperV1_1>(mMockHal);
     ASSERT_NE(mWrapper, nullptr);
+    EXPECT_CALL(*mMockHal.get(), powerHint(_, _)).Times(0);
 }
 
 // -------------------------------------------------------------------------------------------------
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetBoostSuccessful) {
-    EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::INTERACTION), Eq(1000)))
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::INTERACTION), Eq(1000)))
             .Times(Exactly(1));
 
     auto result = mWrapper->setBoost(Boost::INTERACTION, 1000);
@@ -93,7 +82,7 @@ TEST_F(PowerHalWrapperHidlV1_1Test, TestSetBoostSuccessful) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetBoostFailed) {
-    EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::INTERACTION), Eq(1000)))
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::INTERACTION), Eq(1000)))
             .Times(Exactly(1))
             .WillRepeatedly([](PowerHint, int32_t) {
                 return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
@@ -104,24 +93,31 @@ TEST_F(PowerHalWrapperHidlV1_1Test, TestSetBoostFailed) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetBoostUnsupported) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
     auto result = mWrapper->setBoost(Boost::CAMERA_LAUNCH, 10);
     ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::ML_ACC, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::DISPLAY_UPDATE_IMMINENT, 10);
+    ASSERT_TRUE(result.isUnsupported());
 }
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetMode) {
     {
         InSequence seq;
-        EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::LAUNCH), Eq(1)))
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::LAUNCH), Eq(true)))
                 .Times(Exactly(1));
-        EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::LOW_POWER), Eq(0)))
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::LOW_POWER), Eq(false)))
                 .Times(Exactly(1));
-        EXPECT_CALL(*mMockHalV1_1.get(),
-                    powerHintAsync(Eq(PowerHint::SUSTAINED_PERFORMANCE), Eq(1)))
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::SUSTAINED_PERFORMANCE), Eq(true)))
                 .Times(Exactly(1));
-        EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::VR_MODE), Eq(0)))
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::VR_MODE), Eq(false)))
                 .Times(Exactly(1));
-        EXPECT_CALL(*mMockHalV1_0.get(), setInteractive(Eq(true))).Times(Exactly(1));
-        EXPECT_CALL(*mMockHalV1_0.get(),
+        EXPECT_CALL(*mMockHal.get(), setInteractive(Eq(true))).Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
                     setFeature(Eq(Feature::POWER_FEATURE_DOUBLE_TAP_TO_WAKE), Eq(false)))
                 .Times(Exactly(1));
     }
@@ -141,7 +137,7 @@ TEST_F(PowerHalWrapperHidlV1_1Test, TestSetMode) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetModeFailed) {
-    EXPECT_CALL(*mMockHalV1_1.get(), powerHintAsync(Eq(PowerHint::LAUNCH), Eq(1)))
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(Eq(PowerHint::LAUNCH), Eq(true)))
             .Times(Exactly(1))
             .WillRepeatedly([](PowerHint, int32_t) {
                 return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
@@ -152,6 +148,16 @@ TEST_F(PowerHalWrapperHidlV1_1Test, TestSetModeFailed) {
 }
 
 TEST_F(PowerHalWrapperHidlV1_1Test, TestSetModeIgnored) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
     auto result = mWrapper->setMode(Mode::CAMERA_STREAMING_HIGH, true);
     ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::EXPENSIVE_RENDERING, false);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::FIXED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::GAME_LOADING, false);
+    ASSERT_TRUE(result.isUnsupported());
 }
diff --git a/services/powermanager/tests/PowerHalWrapperHidlV1_2Test.cpp b/services/powermanager/tests/PowerHalWrapperHidlV1_2Test.cpp
new file mode 100644
index 0000000000..cf48409f5f
--- /dev/null
+++ b/services/powermanager/tests/PowerHalWrapperHidlV1_2Test.cpp
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *            http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PowerHalWrapperHidlV1_2Test"
+
+#include <android/hardware/power/1.2/IPower.h>
+#include <android/hardware/power/Boost.h>
+#include <android/hardware/power/IPower.h>
+#include <android/hardware/power/Mode.h>
+#include <binder/IServiceManager.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <powermanager/PowerHalWrapper.h>
+#include <utils/Log.h>
+
+using android::hardware::power::Boost;
+using android::hardware::power::Mode;
+using android::hardware::power::V1_0::Feature;
+using PowerHintV1_0 = android::hardware::power::V1_0::PowerHint;
+using PowerHintV1_2 = android::hardware::power::V1_2::PowerHint;
+
+using IPowerV1_2 = android::hardware::power::V1_2::IPower;
+
+using namespace android;
+using namespace android::power;
+using namespace std::chrono_literals;
+using namespace testing;
+
+// -------------------------------------------------------------------------------------------------
+
+class MockIPowerV1_2 : public IPowerV1_2 {
+public:
+    MOCK_METHOD(hardware::Return<void>, setInteractive, (bool interactive), (override));
+    MOCK_METHOD(hardware::Return<void>, powerHint, (PowerHintV1_0 hint, int32_t data), (override));
+    MOCK_METHOD(hardware::Return<void>, setFeature, (Feature feature, bool activate), (override));
+    MOCK_METHOD(hardware::Return<void>, getPlatformLowPowerStats,
+                (getPlatformLowPowerStats_cb _hidl_cb), (override));
+    MOCK_METHOD(hardware::Return<void>, powerHintAsync, (PowerHintV1_0 hint, int32_t data),
+                (override));
+    MOCK_METHOD(hardware::Return<void>, powerHintAsync_1_2, (PowerHintV1_2 hint, int32_t data),
+                (override));
+    MOCK_METHOD(hardware::Return<void>, getSubsystemLowPowerStats,
+                (getSubsystemLowPowerStats_cb _hidl_cb), (override));
+};
+
+// -------------------------------------------------------------------------------------------------
+
+class PowerHalWrapperHidlV1_2Test : public Test {
+public:
+    void SetUp() override;
+
+protected:
+    std::unique_ptr<HalWrapper> mWrapper = nullptr;
+    sp<StrictMock<MockIPowerV1_2>> mMockHal = nullptr;
+};
+
+// -------------------------------------------------------------------------------------------------
+
+void PowerHalWrapperHidlV1_2Test::SetUp() {
+    mMockHal = new StrictMock<MockIPowerV1_2>();
+    mWrapper = std::make_unique<HidlHalWrapperV1_2>(mMockHal);
+    ASSERT_NE(mWrapper, nullptr);
+    EXPECT_CALL(*mMockHal.get(), powerHint(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(_, _)).Times(0);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetBoostSuccessful) {
+    {
+        InSequence seq;
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::INTERACTION), Eq(1000)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::CAMERA_SHOT), Eq(500)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::CAMERA_LAUNCH), Eq(300)))
+                .Times(Exactly(1));
+    }
+
+    auto result = mWrapper->setBoost(Boost::INTERACTION, 1000);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setBoost(Boost::CAMERA_SHOT, 500);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setBoost(Boost::CAMERA_LAUNCH, 300);
+    ASSERT_TRUE(result.isOk());
+}
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetBoostFailed) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::INTERACTION), Eq(1000)))
+            .Times(Exactly(1))
+            .WillRepeatedly([](PowerHintV1_2, int32_t) {
+                return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
+            });
+
+    auto result = mWrapper->setBoost(Boost::INTERACTION, 1000);
+    ASSERT_TRUE(result.isFailed());
+}
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetBoostUnsupported) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
+    auto result = mWrapper->setBoost(Boost::ML_ACC, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::DISPLAY_UPDATE_IMMINENT, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::AUDIO_LAUNCH, 10);
+    ASSERT_TRUE(result.isUnsupported());
+}
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetMode) {
+    {
+        InSequence seq;
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::LAUNCH), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::LOW_POWER), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_2(Eq(PowerHintV1_2::SUSTAINED_PERFORMANCE), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::VR_MODE), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), setInteractive(Eq(true))).Times(Exactly(true));
+        EXPECT_CALL(*mMockHal.get(),
+                    setFeature(Eq(Feature::POWER_FEATURE_DOUBLE_TAP_TO_WAKE), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_2(Eq(PowerHintV1_2::CAMERA_STREAMING), Eq(true)))
+                .Times(Exactly(2));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_2(Eq(PowerHintV1_2::CAMERA_STREAMING), Eq(false)))
+                .Times(Exactly(2));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_2(Eq(PowerHintV1_2::AUDIO_LOW_LATENCY), Eq(true)))
+                .Times(Exactly(1));
+    }
+
+    auto result = mWrapper->setMode(Mode::LAUNCH, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::LOW_POWER, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::SUSTAINED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::VR, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::INTERACTIVE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::DOUBLE_TAP_TO_WAKE, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_SECURE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_LOW, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_MID, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_HIGH, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::AUDIO_STREAMING_LOW_LATENCY, true);
+    ASSERT_TRUE(result.isOk());
+}
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetModeFailed) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(Eq(PowerHintV1_2::LAUNCH), Eq(1)))
+            .Times(Exactly(1))
+            .WillRepeatedly([](PowerHintV1_2, int32_t) {
+                return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
+            });
+
+    auto result = mWrapper->setMode(Mode::LAUNCH, 1);
+    ASSERT_TRUE(result.isFailed());
+}
+
+TEST_F(PowerHalWrapperHidlV1_2Test, TestSetModeIgnored) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
+    auto result = mWrapper->setMode(Mode::EXPENSIVE_RENDERING, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::DISPLAY_INACTIVE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::FIXED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::GAME_LOADING, false);
+    ASSERT_TRUE(result.isUnsupported());
+}
diff --git a/services/powermanager/tests/PowerHalWrapperHidlV1_3Test.cpp b/services/powermanager/tests/PowerHalWrapperHidlV1_3Test.cpp
new file mode 100644
index 0000000000..2c48537edc
--- /dev/null
+++ b/services/powermanager/tests/PowerHalWrapperHidlV1_3Test.cpp
@@ -0,0 +1,210 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *            http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PowerHalWrapperHidlV1_3Test"
+
+#include <android/hardware/power/1.3/IPower.h>
+#include <android/hardware/power/Boost.h>
+#include <android/hardware/power/IPower.h>
+#include <android/hardware/power/Mode.h>
+#include <binder/IServiceManager.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <powermanager/PowerHalWrapper.h>
+#include <utils/Log.h>
+
+using android::hardware::power::Boost;
+using android::hardware::power::Mode;
+using android::hardware::power::V1_0::Feature;
+using PowerHintV1_0 = android::hardware::power::V1_0::PowerHint;
+using PowerHintV1_2 = android::hardware::power::V1_2::PowerHint;
+using PowerHintV1_3 = android::hardware::power::V1_3::PowerHint;
+
+using IPowerV1_3 = android::hardware::power::V1_3::IPower;
+
+using namespace android;
+using namespace android::power;
+using namespace std::chrono_literals;
+using namespace testing;
+
+// -------------------------------------------------------------------------------------------------
+
+class MockIPowerV1_3 : public IPowerV1_3 {
+public:
+    MOCK_METHOD(hardware::Return<void>, setInteractive, (bool interactive), (override));
+    MOCK_METHOD(hardware::Return<void>, powerHint, (PowerHintV1_0 hint, int32_t data), (override));
+    MOCK_METHOD(hardware::Return<void>, setFeature, (Feature feature, bool activate), (override));
+    MOCK_METHOD(hardware::Return<void>, getPlatformLowPowerStats,
+                (getPlatformLowPowerStats_cb _hidl_cb), (override));
+    MOCK_METHOD(hardware::Return<void>, powerHintAsync, (PowerHintV1_0 hint, int32_t data),
+                (override));
+    MOCK_METHOD(hardware::Return<void>, powerHintAsync_1_2, (PowerHintV1_2 hint, int32_t data),
+                (override));
+    MOCK_METHOD(hardware::Return<void>, powerHintAsync_1_3, (PowerHintV1_3 hint, int32_t data),
+                (override));
+
+    MOCK_METHOD(hardware::Return<void>, getSubsystemLowPowerStats,
+                (getSubsystemLowPowerStats_cb _hidl_cb), (override));
+};
+
+// -------------------------------------------------------------------------------------------------
+
+class PowerHalWrapperHidlV1_3Test : public Test {
+public:
+    void SetUp() override;
+
+protected:
+    std::unique_ptr<HalWrapper> mWrapper = nullptr;
+    sp<StrictMock<MockIPowerV1_3>> mMockHal = nullptr;
+};
+
+// -------------------------------------------------------------------------------------------------
+
+void PowerHalWrapperHidlV1_3Test::SetUp() {
+    mMockHal = new StrictMock<MockIPowerV1_3>();
+    mWrapper = std::make_unique<HidlHalWrapperV1_3>(mMockHal);
+    ASSERT_NE(mWrapper, nullptr);
+    EXPECT_CALL(*mMockHal.get(), powerHint(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_2(_, _)).Times(0);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetBoostSuccessful) {
+    {
+        InSequence seq;
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::INTERACTION), Eq(1000)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::CAMERA_SHOT), Eq(500)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::CAMERA_LAUNCH), Eq(300)))
+                .Times(Exactly(1));
+    }
+
+    auto result = mWrapper->setBoost(Boost::INTERACTION, 1000);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setBoost(Boost::CAMERA_SHOT, 500);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setBoost(Boost::CAMERA_LAUNCH, 300);
+    ASSERT_TRUE(result.isOk());
+}
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetBoostFailed) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::INTERACTION), Eq(1000)))
+            .Times(Exactly(1))
+            .WillRepeatedly([](PowerHintV1_3, int32_t) {
+                return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
+            });
+
+    auto result = mWrapper->setBoost(Boost::INTERACTION, 1000);
+    ASSERT_TRUE(result.isFailed());
+}
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetBoostUnsupported) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
+    auto result = mWrapper->setBoost(Boost::ML_ACC, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::DISPLAY_UPDATE_IMMINENT, 10);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setBoost(Boost::AUDIO_LAUNCH, 10);
+    ASSERT_TRUE(result.isUnsupported());
+}
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetMode) {
+    {
+        InSequence seq;
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::LAUNCH), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::LOW_POWER), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_3(Eq(PowerHintV1_3::SUSTAINED_PERFORMANCE), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::VR_MODE), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), setInteractive(Eq(true))).Times(Exactly(true));
+        EXPECT_CALL(*mMockHal.get(),
+                    setFeature(Eq(Feature::POWER_FEATURE_DOUBLE_TAP_TO_WAKE), Eq(false)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_3(Eq(PowerHintV1_3::CAMERA_STREAMING), Eq(true)))
+                .Times(Exactly(2));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_3(Eq(PowerHintV1_3::CAMERA_STREAMING), Eq(false)))
+                .Times(Exactly(2));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_3(Eq(PowerHintV1_3::AUDIO_LOW_LATENCY), Eq(true)))
+                .Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(),
+                    powerHintAsync_1_3(Eq(PowerHintV1_3::EXPENSIVE_RENDERING), Eq(false)))
+                .Times(Exactly(1));
+    }
+
+    auto result = mWrapper->setMode(Mode::LAUNCH, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::LOW_POWER, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::SUSTAINED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::VR, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::INTERACTIVE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::DOUBLE_TAP_TO_WAKE, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_SECURE, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_LOW, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_MID, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::CAMERA_STREAMING_HIGH, false);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::AUDIO_STREAMING_LOW_LATENCY, true);
+    ASSERT_TRUE(result.isOk());
+    result = mWrapper->setMode(Mode::EXPENSIVE_RENDERING, false);
+    ASSERT_TRUE(result.isOk());
+}
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetModeFailed) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(Eq(PowerHintV1_3::LAUNCH), Eq(1)))
+            .Times(Exactly(1))
+            .WillRepeatedly([](PowerHintV1_3, int32_t) {
+                return hardware::Return<void>(hardware::Status::fromExceptionCode(-1));
+            });
+
+    auto result = mWrapper->setMode(Mode::LAUNCH, 1);
+    ASSERT_TRUE(result.isFailed());
+}
+
+TEST_F(PowerHalWrapperHidlV1_3Test, TestSetModeIgnored) {
+    EXPECT_CALL(*mMockHal.get(), powerHintAsync_1_3(_, _)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setInteractive(_)).Times(0);
+    EXPECT_CALL(*mMockHal.get(), setFeature(_, _)).Times(0);
+
+    auto result = mWrapper->setMode(Mode::GAME, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::DISPLAY_INACTIVE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::FIXED_PERFORMANCE, true);
+    ASSERT_TRUE(result.isUnsupported());
+    result = mWrapper->setMode(Mode::GAME_LOADING, false);
+    ASSERT_TRUE(result.isUnsupported());
+}
diff --git a/services/sensorservice/Android.bp b/services/sensorservice/Android.bp
index a2042d6451..0eeb820b87 100644
--- a/services/sensorservice/Android.bp
+++ b/services/sensorservice/Android.bp
@@ -7,7 +7,7 @@ package {
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-cc_library_shared {
+cc_library {
     name: "libsensorservice",
 
     srcs: [
@@ -91,6 +91,12 @@ cc_library_shared {
     afdo: true,
 }
 
+cc_library_headers {
+    name: "libsensorservice_headers",
+    export_include_dirs: ["."],
+    visibility: ["//frameworks/native/services/sensorservice/fuzzer"],
+}
+
 cc_binary {
     name: "sensorservice",
 
diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index de050e02d0..10ca990f87 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -39,7 +39,6 @@
 #include <thread>
 
 using namespace android::hardware::sensors;
-using android::hardware::Return;
 using android::util::ProtoOutputStream;
 
 namespace android {
diff --git a/services/sensorservice/SensorDirectConnection.cpp b/services/sensorservice/SensorDirectConnection.cpp
index 2dd12e9446..291c770692 100644
--- a/services/sensorservice/SensorDirectConnection.cpp
+++ b/services/sensorservice/SensorDirectConnection.cpp
@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-#include "SensorDevice.h"
 #include "SensorDirectConnection.h"
 #include <android/util/ProtoOutputStream.h>
 #include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <hardware/sensors.h>
+#include "SensorDevice.h"
 
 #define UNUSED(x) (void)(x)
 
@@ -51,7 +51,7 @@ void SensorService::SensorDirectConnection::destroy() {
     stopAll();
     mService->cleanupConnection(this);
     if (mMem.handle != nullptr) {
-        native_handle_close(mMem.handle);
+        native_handle_close_with_tag(mMem.handle);
         native_handle_delete(const_cast<struct native_handle*>(mMem.handle));
     }
     mDestroyed = true;
diff --git a/services/sensorservice/SensorInterface.cpp b/services/sensorservice/SensorInterface.cpp
index 46f00e8329..398cdf9a0e 100644
--- a/services/sensorservice/SensorInterface.cpp
+++ b/services/sensorservice/SensorInterface.cpp
@@ -87,6 +87,42 @@ VirtualSensor::VirtualSensor() :
 
 // ---------------------------------------------------------------------------
 
+RuntimeSensor::RuntimeSensor(const sensor_t& sensor, sp<StateChangeCallback> callback)
+  : BaseSensor(sensor), mCallback(std::move(callback)) {
+}
+
+status_t RuntimeSensor::activate(void*, bool enabled) {
+    if (enabled != mEnabled) {
+        mEnabled = enabled;
+        mCallback->onStateChanged(mEnabled, mSamplingPeriodNs, mBatchReportLatencyNs);
+    }
+    return OK;
+}
+
+status_t RuntimeSensor::batch(void*, int, int, int64_t samplingPeriodNs,
+                              int64_t maxBatchReportLatencyNs) {
+    if (mSamplingPeriodNs != samplingPeriodNs || mBatchReportLatencyNs != maxBatchReportLatencyNs) {
+        mSamplingPeriodNs = samplingPeriodNs;
+        mBatchReportLatencyNs = maxBatchReportLatencyNs;
+        if (mEnabled) {
+            mCallback->onStateChanged(mEnabled, mSamplingPeriodNs, mBatchReportLatencyNs);
+        }
+    }
+    return OK;
+}
+
+status_t RuntimeSensor::setDelay(void*, int, int64_t ns) {
+    if (mSamplingPeriodNs != ns) {
+        mSamplingPeriodNs = ns;
+        if (mEnabled) {
+            mCallback->onStateChanged(mEnabled, mSamplingPeriodNs, mBatchReportLatencyNs);
+        }
+    }
+    return OK;
+}
+
+// ---------------------------------------------------------------------------
+
 ProximitySensor::ProximitySensor(const sensor_t& sensor, SensorService& service)
         : HardwareSensor(sensor), mSensorService(service) {
 }
diff --git a/services/sensorservice/SensorInterface.h b/services/sensorservice/SensorInterface.h
index 57043592c5..5ee5e1224a 100644
--- a/services/sensorservice/SensorInterface.h
+++ b/services/sensorservice/SensorInterface.h
@@ -104,6 +104,32 @@ protected:
 
 // ---------------------------------------------------------------------------
 
+class RuntimeSensor : public BaseSensor {
+public:
+    static constexpr int DEFAULT_DEVICE_ID = 0;
+
+    class StateChangeCallback : public virtual RefBase {
+      public:
+        virtual void onStateChanged(bool enabled, int64_t samplingPeriodNs,
+                                    int64_t batchReportLatencyNs) = 0;
+    };
+    RuntimeSensor(const sensor_t& sensor, sp<StateChangeCallback> callback);
+    virtual status_t activate(void* ident, bool enabled) override;
+    virtual status_t batch(void* ident, int handle, int flags, int64_t samplingPeriodNs,
+                           int64_t maxBatchReportLatencyNs) override;
+    virtual status_t setDelay(void* ident, int handle, int64_t ns) override;
+    virtual bool process(sensors_event_t*, const sensors_event_t&) { return false; }
+    virtual bool isVirtual() const override { return false; }
+
+private:
+    bool mEnabled = false;
+    int64_t mSamplingPeriodNs = 0;
+    int64_t mBatchReportLatencyNs = 0;
+    sp<StateChangeCallback> mCallback;
+};
+
+// ---------------------------------------------------------------------------
+
 class ProximitySensor : public HardwareSensor {
 public:
     explicit ProximitySensor(const sensor_t& sensor, SensorService& service);
diff --git a/services/sensorservice/SensorList.cpp b/services/sensorservice/SensorList.cpp
index 85ce0f0018..6d36b4789b 100644
--- a/services/sensorservice/SensorList.cpp
+++ b/services/sensorservice/SensorList.cpp
@@ -29,12 +29,12 @@ namespace SensorServiceUtil {
 const Sensor SensorList::mNonSensor = Sensor("unknown");
 
 bool SensorList::add(
-        int handle, SensorInterface* si, bool isForDebug, bool isVirtual) {
+        int handle, SensorInterface* si, bool isForDebug, bool isVirtual, int deviceId) {
     std::lock_guard<std::mutex> lk(mLock);
     if (handle == si->getSensor().getHandle() &&
         mUsedHandle.insert(handle).second) {
         // will succeed as the mUsedHandle does not have this handle
-        mHandleMap.emplace(handle, Entry(si, isForDebug, isVirtual));
+        mHandleMap.emplace(handle, Entry(si, isForDebug, isVirtual, deviceId));
         return true;
     }
     // handle exist already or handle mismatch
@@ -79,7 +79,8 @@ const Vector<Sensor> SensorList::getUserSensors() const {
     Vector<Sensor> sensors;
     forEachEntry(
             [&sensors] (const Entry& e) -> bool {
-                if (!e.isForDebug && !e.si->getSensor().isDynamicSensor()) {
+                if (!e.isForDebug && !e.si->getSensor().isDynamicSensor()
+                    && e.deviceId == RuntimeSensor::DEFAULT_DEVICE_ID) {
                     sensors.add(e.si->getSensor());
                 }
                 return true;
@@ -92,7 +93,8 @@ const Vector<Sensor> SensorList::getUserDebugSensors() const {
     Vector<Sensor> sensors;
     forEachEntry(
             [&sensors] (const Entry& e) -> bool {
-                if (!e.si->getSensor().isDynamicSensor()) {
+                if (!e.si->getSensor().isDynamicSensor()
+                    && e.deviceId == RuntimeSensor::DEFAULT_DEVICE_ID) {
                     sensors.add(e.si->getSensor());
                 }
                 return true;
@@ -105,7 +107,8 @@ const Vector<Sensor> SensorList::getDynamicSensors() const {
     Vector<Sensor> sensors;
     forEachEntry(
             [&sensors] (const Entry& e) -> bool {
-                if (!e.isForDebug && e.si->getSensor().isDynamicSensor()) {
+                if (!e.isForDebug && e.si->getSensor().isDynamicSensor()
+                     && e.deviceId == RuntimeSensor::DEFAULT_DEVICE_ID) {
                     sensors.add(e.si->getSensor());
                 }
                 return true;
@@ -118,7 +121,20 @@ const Vector<Sensor> SensorList::getVirtualSensors() const {
     Vector<Sensor> sensors;
     forEachEntry(
             [&sensors] (const Entry& e) -> bool {
-                if (e.isVirtual) {
+                if (e.isVirtual && e.deviceId == RuntimeSensor::DEFAULT_DEVICE_ID) {
+                    sensors.add(e.si->getSensor());
+                }
+                return true;
+            });
+    return sensors;
+}
+
+const Vector<Sensor> SensorList::getRuntimeSensors(int deviceId) const {
+    // lock in forEachEntry
+    Vector<Sensor> sensors;
+    forEachEntry(
+            [&sensors, deviceId] (const Entry& e) -> bool {
+                if (!e.isForDebug && e.deviceId == deviceId) {
                     sensors.add(e.si->getSensor());
                 }
                 return true;
diff --git a/services/sensorservice/SensorList.h b/services/sensorservice/SensorList.h
index 049ae7c855..79f6701922 100644
--- a/services/sensorservice/SensorList.h
+++ b/services/sensorservice/SensorList.h
@@ -40,14 +40,16 @@ public:
         sp<SensorInterface> si;
         const bool isForDebug;
         const bool isVirtual;
-        Entry(SensorInterface* si_, bool debug_, bool virtual_) :
-            si(si_), isForDebug(debug_), isVirtual(virtual_) {
+        const int deviceId;
+        Entry(SensorInterface* si_, bool debug_, bool virtual_, int deviceId_) :
+            si(si_), isForDebug(debug_), isVirtual(virtual_), deviceId(deviceId_) {
         }
     };
 
     // After SensorInterface * is added into SensorList, it can be assumed that SensorList own the
     // object it pointed to and the object should not be released elsewhere.
-    bool add(int handle, SensorInterface* si, bool isForDebug = false, bool isVirtual = false);
+    bool add(int handle, SensorInterface* si, bool isForDebug = false, bool isVirtual = false,
+             int deviceId = RuntimeSensor::DEFAULT_DEVICE_ID);
 
     // After a handle is removed, the object that SensorInterface * pointing to may get deleted if
     // no more sp<> of the same object exist.
@@ -60,6 +62,7 @@ public:
     const Vector<Sensor> getUserDebugSensors() const;
     const Vector<Sensor> getDynamicSensors() const;
     const Vector<Sensor> getVirtualSensors() const;
+    const Vector<Sensor> getRuntimeSensors(int deviceId) const;
 
     String8 getName(int handle) const;
     String8 getStringType(int handle) const;
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index e0a4f034cb..0c9fef5652 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -16,7 +16,6 @@
 #include <android-base/strings.h>
 #include <android/content/pm/IPackageManagerNative.h>
 #include <android/util/ProtoOutputStream.h>
-#include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <binder/ActivityManager.h>
 #include <binder/BinderService.h>
 #include <binder/IServiceManager.h>
@@ -25,6 +24,7 @@
 #include <cutils/ashmem.h>
 #include <cutils/misc.h>
 #include <cutils/properties.h>
+#include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <hardware/sensors.h>
 #include <hardware_legacy/power.h>
 #include <log/log.h>
@@ -102,6 +102,33 @@ static const String16 sDumpPermission("android.permission.DUMP");
 static const String16 sLocationHardwarePermission("android.permission.LOCATION_HARDWARE");
 static const String16 sManageSensorsPermission("android.permission.MANAGE_SENSORS");
 
+namespace {
+
+// TODO(b/259227294): Move the sensor ranges to the HAL.
+int32_t nextRuntimeSensorHandle() {
+    static constexpr int32_t kRuntimeHandleBase = 0x5F000000;
+    static constexpr int32_t kRuntimeHandleEnd = 0x5FFFFFFF;
+    static int32_t nextHandle = kRuntimeHandleBase;
+    if (nextHandle == kRuntimeHandleEnd) {
+        return -1;
+    }
+    return nextHandle++;
+}
+
+class RuntimeSensorCallbackProxy : public RuntimeSensor::StateChangeCallback {
+ public:
+    RuntimeSensorCallbackProxy(sp<SensorService::RuntimeSensorStateChangeCallback> callback)
+        : mCallback(std::move(callback)) {}
+    void onStateChanged(bool enabled, int64_t samplingPeriodNs,
+                        int64_t batchReportLatencyNs) override {
+        mCallback->onStateChanged(enabled, samplingPeriodNs, batchReportLatencyNs);
+    }
+ private:
+    sp<SensorService::RuntimeSensorStateChangeCallback> mCallback;
+};
+
+} // namespace
+
 static bool isAutomotive() {
     sp<IServiceManager> serviceManager = defaultServiceManager();
     if (serviceManager.get() == nullptr) {
@@ -137,6 +164,60 @@ SensorService::SensorService()
     mMicSensorPrivacyPolicy = new MicrophonePrivacyPolicy(this);
 }
 
+int SensorService::registerRuntimeSensor(
+    const sensor_t& sensor, int deviceId, sp<RuntimeSensorStateChangeCallback> callback) {
+    int handle = 0;
+    while (handle == 0 || !mSensors.isNewHandle(handle)) {
+        handle = nextRuntimeSensorHandle();
+        if (handle < 0) {
+            // Ran out of the dedicated range for runtime sensors.
+            return handle;
+        }
+    }
+
+    ALOGI("Registering runtime sensor handle 0x%x, type %d, name %s",
+            handle, sensor.type, sensor.name);
+
+    sp<RuntimeSensor::StateChangeCallback> runtimeSensorCallback(
+        new RuntimeSensorCallbackProxy(std::move(callback)));
+    sensor_t runtimeSensor = sensor;
+    // force the handle to be consistent
+    runtimeSensor.handle = handle;
+    SensorInterface *si = new RuntimeSensor(runtimeSensor, std::move(runtimeSensorCallback));
+
+    Mutex::Autolock _l(mLock);
+    const Sensor& s = registerSensor(si, /* isDebug= */ false, /* isVirtual= */ false, deviceId);
+
+    if (s.getHandle() != handle) {
+        // The registration was unsuccessful.
+        return s.getHandle();
+    }
+    return handle;
+}
+
+status_t SensorService::unregisterRuntimeSensor(int handle) {
+    ALOGI("Unregistering runtime sensor handle 0x%x disconnected", handle);
+    {
+        Mutex::Autolock _l(mLock);
+        if (!unregisterDynamicSensorLocked(handle)) {
+            ALOGE("Runtime sensor release error.");
+            return UNKNOWN_ERROR;
+        }
+    }
+
+    ConnectionSafeAutolock connLock = mConnectionHolder.lock(mLock);
+    for (const sp<SensorEventConnection>& connection : connLock.getActiveConnections()) {
+        connection->removeSensor(handle);
+    }
+    return OK;
+}
+
+status_t SensorService::sendRuntimeSensorEvent(const sensors_event_t& event) {
+    Mutex::Autolock _l(mLock);
+    mRuntimeSensorEventQueue.push(event);
+    return OK;
+}
+
 bool SensorService::initializeHmacKey() {
     int fd = open(SENSOR_SERVICE_HMAC_KEY_FILE, O_RDONLY|O_CLOEXEC);
     if (fd != -1) {
@@ -407,10 +488,11 @@ bool SensorService::hasSensorAccessLocked(uid_t uid, const String16& opPackageNa
         && isUidActive(uid) && !isOperationRestrictedLocked(opPackageName);
 }
 
-const Sensor& SensorService::registerSensor(SensorInterface* s, bool isDebug, bool isVirtual) {
+const Sensor& SensorService::registerSensor(SensorInterface* s, bool isDebug, bool isVirtual,
+                                            int deviceId) {
     int handle = s->getSensor().getHandle();
     int type = s->getSensor().getType();
-    if (mSensors.add(handle, s, isDebug, isVirtual)){
+    if (mSensors.add(handle, s, isDebug, isVirtual, deviceId)) {
         mRecentEvent.emplace(handle, new SensorServiceUtil::RecentEventLogger(type));
         return s->getSensor();
     } else {
@@ -1003,6 +1085,7 @@ bool SensorService::threadLoop() {
         recordLastValueLocked(mSensorEventBuffer, count);
 
         // handle virtual sensors
+        bool bufferNeedsSorting = false;
         if (count && vcount) {
             sensors_event_t const * const event = mSensorEventBuffer;
             if (!mActiveVirtualSensors.empty()) {
@@ -1038,12 +1121,37 @@ bool SensorService::threadLoop() {
                     // record the last synthesized values
                     recordLastValueLocked(&mSensorEventBuffer[count], k);
                     count += k;
-                    // sort the buffer by time-stamps
-                    sortEventBuffer(mSensorEventBuffer, count);
+                    bufferNeedsSorting = true;
                 }
             }
         }
 
+        // handle runtime sensors
+        {
+            size_t k = 0;
+            while (!mRuntimeSensorEventQueue.empty()) {
+                if (count + k >= minBufferSize) {
+                    ALOGE("buffer too small to hold all events: count=%zd, k=%zu, size=%zu",
+                          count, k, minBufferSize);
+                    break;
+                }
+                mSensorEventBuffer[count + k] = mRuntimeSensorEventQueue.front();
+                mRuntimeSensorEventQueue.pop();
+                k++;
+            }
+            if (k) {
+                // record the last synthesized values
+                recordLastValueLocked(&mSensorEventBuffer[count], k);
+                count += k;
+                bufferNeedsSorting = true;
+            }
+        }
+
+        if (bufferNeedsSorting) {
+            // sort the buffer by time-stamps
+            sortEventBuffer(mSensorEventBuffer, count);
+        }
+
         // handle backward compatibility for RotationVector sensor
         if (halVersion < SENSORS_DEVICE_API_VERSION_1_0) {
             for (int i = 0; i < count; i++) {
@@ -1342,19 +1450,37 @@ Vector<Sensor> SensorService::getSensorList(const String16& opPackageName) {
     return accessibleSensorList;
 }
 
+void SensorService::addSensorIfAccessible(const String16& opPackageName, const Sensor& sensor,
+        Vector<Sensor>& accessibleSensorList) {
+    if (canAccessSensor(sensor, "can't see", opPackageName)) {
+        accessibleSensorList.add(sensor);
+    } else if (sensor.getType() != SENSOR_TYPE_HEAD_TRACKER) {
+        ALOGI("Skipped sensor %s because it requires permission %s and app op %" PRId32,
+        sensor.getName().string(), sensor.getRequiredPermission().string(),
+        sensor.getRequiredAppOp());
+    }
+}
+
 Vector<Sensor> SensorService::getDynamicSensorList(const String16& opPackageName) {
     Vector<Sensor> accessibleSensorList;
     mSensors.forEachSensor(
             [this, &opPackageName, &accessibleSensorList] (const Sensor& sensor) -> bool {
                 if (sensor.isDynamicSensor()) {
-                    if (canAccessSensor(sensor, "can't see", opPackageName)) {
-                        accessibleSensorList.add(sensor);
-                    } else if (sensor.getType() != SENSOR_TYPE_HEAD_TRACKER) {
-                        ALOGI("Skipped sensor %s because it requires permission %s and app op %" PRId32,
-                              sensor.getName().string(),
-                              sensor.getRequiredPermission().string(),
-                              sensor.getRequiredAppOp());
-                    }
+                    addSensorIfAccessible(opPackageName, sensor, accessibleSensorList);
+                }
+                return true;
+            });
+    makeUuidsIntoIdsForSensorList(accessibleSensorList);
+    return accessibleSensorList;
+}
+
+Vector<Sensor> SensorService::getRuntimeSensorList(const String16& opPackageName, int deviceId) {
+    Vector<Sensor> accessibleSensorList;
+    mSensors.forEachEntry(
+            [this, &opPackageName, deviceId, &accessibleSensorList] (
+                    const SensorServiceUtil::SensorList::Entry& e) -> bool {
+                if (e.deviceId == deviceId) {
+                    addSensorIfAccessible(opPackageName, e.si->getSensor(), accessibleSensorList);
                 }
                 return true;
             });
@@ -1475,6 +1601,7 @@ sp<ISensorEventConnection> SensorService::createSensorDirectConnection(
     if (!clone) {
         return nullptr;
     }
+    native_handle_set_fdsan_tag(clone);
 
     sp<SensorDirectConnection> conn;
     SensorDevice& dev(SensorDevice::getInstance());
@@ -1488,7 +1615,7 @@ sp<ISensorEventConnection> SensorService::createSensorDirectConnection(
     }
 
     if (conn == nullptr) {
-        native_handle_close(clone);
+        native_handle_close_with_tag(clone);
         native_handle_delete(clone);
     } else {
         // add to list of direct connections
diff --git a/services/sensorservice/SensorService.h b/services/sensorservice/SensorService.h
index 4ba3c51985..e4903987bc 100644
--- a/services/sensorservice/SensorService.h
+++ b/services/sensorservice/SensorService.h
@@ -42,6 +42,7 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <queue>
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
@@ -143,6 +144,14 @@ public:
         virtual void onProximityActive(bool isActive) = 0;
     };
 
+    class RuntimeSensorStateChangeCallback : public virtual RefBase {
+    public:
+        // Note that the callback is invoked from an async thread and can interact with the
+        // SensorService directly.
+        virtual void onStateChanged(bool enabled, int64_t samplingPeriodNanos,
+                                    int64_t batchReportLatencyNanos) = 0;
+    };
+
     static char const* getServiceName() ANDROID_API { return "sensorservice"; }
     SensorService() ANDROID_API;
 
@@ -169,6 +178,11 @@ public:
     status_t addProximityActiveListener(const sp<ProximityActiveListener>& callback) ANDROID_API;
     status_t removeProximityActiveListener(const sp<ProximityActiveListener>& callback) ANDROID_API;
 
+    int registerRuntimeSensor(const sensor_t& sensor, int deviceId,
+                              sp<RuntimeSensorStateChangeCallback> callback) ANDROID_API;
+    status_t unregisterRuntimeSensor(int handle) ANDROID_API;
+    status_t sendRuntimeSensorEvent(const sensors_event_t& event) ANDROID_API;
+
     // Returns true if a sensor should be throttled according to our rate-throttling rules.
     static bool isSensorInCappedSet(int sensorType);
 
@@ -346,6 +360,7 @@ private:
     // ISensorServer interface
     virtual Vector<Sensor> getSensorList(const String16& opPackageName);
     virtual Vector<Sensor> getDynamicSensorList(const String16& opPackageName);
+    virtual Vector<Sensor> getRuntimeSensorList(const String16& opPackageName, int deviceId);
     virtual sp<ISensorEventConnection> createSensorEventConnection(
             const String8& packageName,
             int requestedMode, const String16& opPackageName, const String16& attributionTag);
@@ -364,8 +379,9 @@ private:
     bool isWakeUpSensor(int type) const;
     void recordLastValueLocked(sensors_event_t const* buffer, size_t count);
     static void sortEventBuffer(sensors_event_t* buffer, size_t count);
-    const Sensor& registerSensor(SensorInterface* sensor,
-                                 bool isDebug = false, bool isVirtual = false);
+    const Sensor& registerSensor(SensorInterface* sensor, bool isDebug = false,
+                                 bool isVirtual = false,
+                                 int deviceId = RuntimeSensor::DEFAULT_DEVICE_ID);
     const Sensor& registerVirtualSensor(SensorInterface* sensor, bool isDebug = false);
     const Sensor& registerDynamicSensorLocked(SensorInterface* sensor, bool isDebug = false);
     bool unregisterDynamicSensorLocked(int handle);
@@ -375,6 +391,8 @@ private:
             sensors_event_t const* buffer, const int count);
     bool canAccessSensor(const Sensor& sensor, const char* operation,
             const String16& opPackageName);
+    void addSensorIfAccessible(const String16& opPackageName, const Sensor& sensor,
+            Vector<Sensor>& accessibleSensorList);
     static bool hasPermissionForSensor(const Sensor& sensor);
     static int getTargetSdkVersion(const String16& opPackageName);
     static void resetTargetSdkVersionCache(const String16& opPackageName);
@@ -492,6 +510,7 @@ private:
     wp<const SensorEventConnection> * mMapFlushEventsToConnections;
     std::unordered_map<int, SensorServiceUtil::RecentEventLogger*> mRecentEvent;
     Mode mCurrentOperatingMode;
+    std::queue<sensors_event_t> mRuntimeSensorEventQueue;
 
     // true if the head tracker sensor type is currently restricted to system usage only
     // (can only be unrestricted for testing, via shell cmd)
diff --git a/services/sensorservice/tests/sensorservicetest.cpp b/services/sensorservice/tests/sensorservicetest.cpp
index caf7f03361..b00d1a761b 100644
--- a/services/sensorservice/tests/sensorservicetest.cpp
+++ b/services/sensorservice/tests/sensorservicetest.cpp
@@ -89,6 +89,17 @@ void testInvalidSharedMem_NoCrash(SensorManager &mgr) {
 
     // Should print -22 (BAD_VALUE) and the device runtime shouldn't restart
     printf("createInvalidDirectChannel=%d\n", ret);
+
+    // Secondary test: correct channel creation & destruction (should print 0)
+    ret = mgr.createDirectChannel(kMemSize, ASENSOR_DIRECT_CHANNEL_TYPE_HARDWARE_BUFFER,
+                                  resourceHandle);
+    printf("createValidDirectChannel=%d\n", ret);
+
+    // Third test: double-destroy (should not crash)
+    mgr.destroyDirectChannel(ret);
+    AHardwareBuffer_release(hardwareBuffer);
+    printf("duplicate destroyDirectChannel...\n");
+    mgr.destroyDirectChannel(ret);
 }
 
 int main() {
diff --git a/services/stats/Android.bp b/services/stats/Android.bp
index 7fea6161ff..7d358e1bd2 100644
--- a/services/stats/Android.bp
+++ b/services/stats/Android.bp
@@ -13,10 +13,13 @@ cc_library_shared {
         "StatsAidl.cpp",
         "StatsHal.cpp",
     ],
-    cflags: ["-Wall", "-Werror"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
     shared_libs: [
         "android.frameworks.stats@1.0",
-        "android.frameworks.stats-V1-ndk",
+        "android.frameworks.stats-V2-ndk",
         "libbinder_ndk",
         "libhidlbase",
         "liblog",
@@ -29,10 +32,12 @@ cc_library_shared {
     ],
     export_shared_lib_headers: [
         "android.frameworks.stats@1.0",
-        "android.frameworks.stats-V1-ndk",
+        "android.frameworks.stats-V2-ndk",
     ],
     local_include_dirs: [
         "include/stats",
     ],
-    vintf_fragments: ["android.frameworks.stats@1.0-service.xml"]
+    vintf_fragments: [
+        "android.frameworks.stats-service.xml",
+    ],
 }
diff --git a/services/stats/StatsAidl.cpp b/services/stats/StatsAidl.cpp
index a3b68f1dab..9e13849485 100644
--- a/services/stats/StatsAidl.cpp
+++ b/services/stats/StatsAidl.cpp
@@ -62,6 +62,90 @@ ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
                 AStatsEvent_writeString(event,
                     atomValue.get<VendorAtomValue::stringValue>().c_str());
                 break;
+            case VendorAtomValue::boolValue:
+                AStatsEvent_writeBool(event,
+                    atomValue.get<VendorAtomValue::boolValue>());
+                break;
+            case VendorAtomValue::repeatedIntValue: {
+                const std::optional<std::vector<int>>& repeatedIntValue =
+                        atomValue.get<VendorAtomValue::repeatedIntValue>();
+                if (!repeatedIntValue) {
+                    AStatsEvent_writeInt32Array(event, {}, 0);
+                    break;
+                }
+                AStatsEvent_writeInt32Array(event, repeatedIntValue->data(),
+                                            repeatedIntValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedLongValue: {
+                const std::optional<std::vector<int64_t>>& repeatedLongValue =
+                        atomValue.get<VendorAtomValue::repeatedLongValue>();
+                if (!repeatedLongValue) {
+                    AStatsEvent_writeInt64Array(event, {}, 0);
+                    break;
+                }
+                AStatsEvent_writeInt64Array(event, repeatedLongValue->data(),
+                                            repeatedLongValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedFloatValue: {
+                const std::optional<std::vector<float>>& repeatedFloatValue =
+                        atomValue.get<VendorAtomValue::repeatedFloatValue>();
+                if (!repeatedFloatValue) {
+                    AStatsEvent_writeFloatArray(event, {}, 0);
+                    break;
+                }
+                AStatsEvent_writeFloatArray(event, repeatedFloatValue->data(),
+                                            repeatedFloatValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedStringValue: {
+                const std::optional<std::vector<std::optional<std::string>>>& repeatedStringValue =
+                        atomValue.get<VendorAtomValue::repeatedStringValue>();
+                if (!repeatedStringValue) {
+                    AStatsEvent_writeStringArray(event, {}, 0);
+                    break;
+                }
+                const std::vector<std::optional<std::string>>& repeatedStringVector =
+                        *repeatedStringValue;
+                const char* cStringArray[repeatedStringVector.size()];
+
+                for (int i = 0; i < repeatedStringVector.size(); ++i) {
+                    cStringArray[i] = repeatedStringVector[i].has_value()
+                            ? repeatedStringVector[i]->c_str()
+                            : "";
+                }
+
+                AStatsEvent_writeStringArray(event, cStringArray, repeatedStringVector.size());
+                break;
+            }
+            case VendorAtomValue::repeatedBoolValue: {
+                const std::optional<std::vector<bool>>& repeatedBoolValue =
+                        atomValue.get<VendorAtomValue::repeatedBoolValue>();
+                if (!repeatedBoolValue) {
+                    AStatsEvent_writeBoolArray(event, {}, 0);
+                    break;
+                }
+                const std::vector<bool>& repeatedBoolVector = *repeatedBoolValue;
+                bool boolArray[repeatedBoolValue->size()];
+
+                for (int i = 0; i < repeatedBoolVector.size(); ++i) {
+                    boolArray[i] = repeatedBoolVector[i];
+                }
+
+                AStatsEvent_writeBoolArray(event, boolArray, repeatedBoolVector.size());
+                break;
+            }
+            case VendorAtomValue::byteArrayValue: {
+                const std::optional<std::vector<uint8_t>>& byteArrayValue =
+                        atomValue.get<VendorAtomValue::byteArrayValue>();
+                if (!byteArrayValue) {
+                    AStatsEvent_writeByteArray(event, {}, 0);
+                    break;
+                }
+                AStatsEvent_writeByteArray(event, byteArrayValue->data(), byteArrayValue->size());
+                break;
+            }
         }
     }
     AStatsEvent_build(event);
diff --git a/services/stats/android.frameworks.stats@1.0-service.xml b/services/stats/android.frameworks.stats-service.xml
index c564b7be53..7e2635e406 100644
--- a/services/stats/android.frameworks.stats@1.0-service.xml
+++ b/services/stats/android.frameworks.stats-service.xml
@@ -11,7 +11,7 @@
 
     <hal format="aidl">
         <name>android.frameworks.stats</name>
-        <version>1</version>
+        <version>2</version>
         <fqname>IStats/default</fqname>
     </hal>
 </manifest>
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index cbb95f963c..0a192c5f61 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -18,12 +18,14 @@ cc_defaults {
         "-Wunused",
         "-Wunreachable-code",
         "-Wconversion",
+        "-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
     ],
 }
 
 cc_defaults {
     name: "libsurfaceflinger_defaults",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "surfaceflinger_defaults",
         "skia_renderengine_deps",
     ],
@@ -45,10 +47,9 @@ cc_defaults {
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.3",
-        "android.hardware.power-V2-cpp",
+        "android.hardware.power-V4-cpp",
         "libbase",
         "libbinder",
         "libbinder_ndk",
@@ -83,7 +84,6 @@ cc_defaults {
         "libserviceutils",
         "libshaders",
         "libtonemap",
-        "libtrace_proto",
     ],
     header_libs: [
         "android.hardware.graphics.composer@2.1-command-buffer",
@@ -105,7 +105,6 @@ cc_defaults {
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.3",
         "libhidlbase",
         "libtimestats",
@@ -141,26 +140,27 @@ filegroup {
     name: "libsurfaceflinger_sources",
     srcs: [
         "BackgroundExecutor.cpp",
-        "BufferLayer.cpp",
-        "BufferLayerConsumer.cpp",
-        "BufferQueueLayer.cpp",
-        "BufferStateLayer.cpp",
-        "ClientCache.cpp",
         "Client.cpp",
-        "EffectLayer.cpp",
-        "ContainerLayer.cpp",
+        "ClientCache.cpp",
+        "Display/DisplaySnapshot.cpp",
         "DisplayDevice.cpp",
         "DisplayHardware/AidlComposerHal.cpp",
-        "DisplayHardware/HidlComposerHal.cpp",
         "DisplayHardware/ComposerHal.cpp",
         "DisplayHardware/FramebufferSurface.cpp",
         "DisplayHardware/HWC2.cpp",
         "DisplayHardware/HWComposer.cpp",
+        "DisplayHardware/HidlComposerHal.cpp",
         "DisplayHardware/PowerAdvisor.cpp",
         "DisplayHardware/VirtualDisplaySurface.cpp",
         "DisplayRenderArea.cpp",
         "Effects/Daltonizer.cpp",
         "EventLog/EventLog.cpp",
+        "FrontEnd/LayerCreationArgs.cpp",
+        "FrontEnd/LayerHandle.cpp",
+        "FrontEnd/LayerHierarchy.cpp",
+        "FrontEnd/LayerLifecycleManager.cpp",
+        "FrontEnd/RequestedLayerState.cpp",
+        "FrontEnd/TransactionHandler.cpp",
         "FlagManager.cpp",
         "FpsReporter.cpp",
         "FrameTracer/FrameTracer.cpp",
@@ -168,11 +168,10 @@ filegroup {
         "HdrLayerInfoReporter.cpp",
         "WindowInfosListenerInvoker.cpp",
         "Layer.cpp",
+        "LayerFE.cpp",
         "LayerProtoHelper.cpp",
-        "LayerRejecter.cpp",
         "LayerRenderArea.cpp",
         "LayerVector.cpp",
-        "MonitoredProducer.cpp",
         "NativeWindowSurface.cpp",
         "RefreshRateOverlay.cpp",
         "RegionSamplingThread.cpp",
@@ -184,7 +183,7 @@ filegroup {
         "Scheduler/LayerHistory.cpp",
         "Scheduler/LayerInfo.cpp",
         "Scheduler/MessageQueue.cpp",
-        "Scheduler/RefreshRateConfigs.cpp",
+        "Scheduler/RefreshRateSelector.cpp",
         "Scheduler/Scheduler.cpp",
         "Scheduler/VSyncDispatchTimerQueue.cpp",
         "Scheduler/VSyncPredictor.cpp",
@@ -192,10 +191,10 @@ filegroup {
         "Scheduler/VsyncConfiguration.cpp",
         "Scheduler/VsyncModulator.cpp",
         "Scheduler/VsyncSchedule.cpp",
+        "ScreenCaptureOutput.cpp",
         "StartPropertySetThread.cpp",
         "SurfaceFlinger.cpp",
         "SurfaceFlingerDefaultFactory.cpp",
-        "SurfaceInterceptor.cpp",
         "Tracing/LayerTracing.cpp",
         "Tracing/TransactionTracing.cpp",
         "Tracing/TransactionProtoParser.cpp",
@@ -230,7 +229,6 @@ cc_defaults {
     ],
     static_libs: [
         "libserviceutils",
-        "libtrace_proto",
     ],
 }
 
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
deleted file mode 100644
index d9c89cd821..0000000000
--- a/services/surfaceflinger/BufferLayer.cpp
+++ /dev/null
@@ -1,814 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-//#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "BufferLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "BufferLayer.h"
-
-#include <compositionengine/CompositionEngine.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <compositionengine/OutputLayer.h>
-#include <compositionengine/impl/OutputLayerCompositionState.h>
-#include <cutils/compiler.h>
-#include <cutils/native_handle.h>
-#include <cutils/properties.h>
-#include <gui/BufferItem.h>
-#include <gui/BufferQueue.h>
-#include <gui/GLConsumer.h>
-#include <gui/LayerDebugInfo.h>
-#include <gui/Surface.h>
-#include <renderengine/RenderEngine.h>
-#include <ui/DebugUtils.h>
-#include <utils/Errors.h>
-#include <utils/Log.h>
-#include <utils/NativeHandle.h>
-#include <utils/StopWatch.h>
-#include <utils/Trace.h>
-
-#include <cmath>
-#include <cstdlib>
-#include <mutex>
-#include <sstream>
-
-#include "Colorizer.h"
-#include "DisplayDevice.h"
-#include "FrameTracer/FrameTracer.h"
-#include "LayerRejecter.h"
-#include "TimeStats/TimeStats.h"
-
-namespace android {
-
-using gui::WindowInfo;
-
-static constexpr float defaultMaxLuminance = 1000.0;
-
-BufferLayer::BufferLayer(const LayerCreationArgs& args)
-      : Layer(args),
-        mTextureName(args.textureName),
-        mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {
-    ALOGV("Creating Layer %s", getDebugName());
-
-    mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
-
-    mPotentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
-    mProtectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
-}
-
-BufferLayer::~BufferLayer() {
-    if (!isClone()) {
-        // The original layer and the clone layer share the same texture. Therefore, only one of
-        // the layers, in this case the original layer, needs to handle the deletion. The original
-        // layer and the clone should be removed at the same time so there shouldn't be any issue
-        // with the clone layer trying to use the deleted texture.
-        mFlinger->deleteTextureAsync(mTextureName);
-    }
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->onDestroy(layerId);
-    mFlinger->mFrameTracer->onDestroy(layerId);
-}
-
-void BufferLayer::useSurfaceDamage() {
-    if (mFlinger->mForceFullDamage) {
-        surfaceDamageRegion = Region::INVALID_REGION;
-    } else {
-        surfaceDamageRegion = mBufferInfo.mSurfaceDamage;
-    }
-}
-
-void BufferLayer::useEmptyDamage() {
-    surfaceDamageRegion.clear();
-}
-
-bool BufferLayer::isOpaque(const Layer::State& s) const {
-    // if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
-    // layer's opaque flag.
-    if ((mSidebandStream == nullptr) && (mBufferInfo.mBuffer == nullptr)) {
-        return false;
-    }
-
-    // if the layer has the opaque flag, then we're always opaque,
-    // otherwise we use the current buffer's format.
-    return ((s.flags & layer_state_t::eLayerOpaque) != 0) || getOpacityForFormat(getPixelFormat());
-}
-
-bool BufferLayer::canReceiveInput() const {
-    return !isHiddenByPolicy() && (mBufferInfo.mBuffer == nullptr || getAlpha() > 0.0f);
-}
-
-bool BufferLayer::isVisible() const {
-    return !isHiddenByPolicy() && getAlpha() > 0.0f &&
-            (mBufferInfo.mBuffer != nullptr || mSidebandStream != nullptr);
-}
-
-bool BufferLayer::isFixedSize() const {
-    return getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE;
-}
-
-bool BufferLayer::usesSourceCrop() const {
-    return true;
-}
-
-static constexpr mat4 inverseOrientation(uint32_t transform) {
-    const mat4 flipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-    const mat4 flipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
-    const mat4 rot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-    mat4 tr;
-
-    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        tr = tr * rot90;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
-        tr = tr * flipH;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
-        tr = tr * flipV;
-    }
-    return inverse(tr);
-}
-
-std::optional<compositionengine::LayerFE::LayerSettings> BufferLayer::prepareClientComposition(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    ATRACE_CALL();
-
-    std::optional<compositionengine::LayerFE::LayerSettings> result =
-            Layer::prepareClientComposition(targetSettings);
-    if (!result) {
-        return result;
-    }
-
-    if (CC_UNLIKELY(mBufferInfo.mBuffer == 0) && mSidebandStream != nullptr) {
-        // For surfaceview of tv sideband, there is no activeBuffer
-        // in bufferqueue, we need return LayerSettings.
-        return result;
-    }
-    const bool blackOutLayer = (isProtected() && !targetSettings.supportsProtectedContent) ||
-            ((isSecure() || isProtected()) && !targetSettings.isSecure);
-    const bool bufferCanBeUsedAsHwTexture =
-            mBufferInfo.mBuffer->getUsage() & GraphicBuffer::USAGE_HW_TEXTURE;
-    compositionengine::LayerFE::LayerSettings& layer = *result;
-    if (blackOutLayer || !bufferCanBeUsedAsHwTexture) {
-        ALOGE_IF(!bufferCanBeUsedAsHwTexture, "%s is blacked out as buffer is not gpu readable",
-                 mName.c_str());
-        prepareClearClientComposition(layer, true /* blackout */);
-        return layer;
-    }
-
-    const State& s(getDrawingState());
-    layer.source.buffer.buffer = mBufferInfo.mBuffer;
-    layer.source.buffer.isOpaque = isOpaque(s);
-    layer.source.buffer.fence = mBufferInfo.mFence;
-    layer.source.buffer.textureName = mTextureName;
-    layer.source.buffer.usePremultipliedAlpha = getPremultipledAlpha();
-    layer.source.buffer.isY410BT2020 = isHdrY410();
-    bool hasSmpte2086 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::SMPTE2086;
-    bool hasCta861_3 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::CTA861_3;
-    float maxLuminance = 0.f;
-    if (hasSmpte2086 && hasCta861_3) {
-        maxLuminance = std::min(mBufferInfo.mHdrMetadata.smpte2086.maxLuminance,
-                                mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel);
-    } else if (hasSmpte2086) {
-        maxLuminance = mBufferInfo.mHdrMetadata.smpte2086.maxLuminance;
-    } else if (hasCta861_3) {
-        maxLuminance = mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel;
-    } else {
-        switch (layer.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) {
-            case HAL_DATASPACE_TRANSFER_ST2084:
-            case HAL_DATASPACE_TRANSFER_HLG:
-                // Behavior-match previous releases for HDR content
-                maxLuminance = defaultMaxLuminance;
-                break;
-        }
-    }
-    layer.source.buffer.maxLuminanceNits = maxLuminance;
-    layer.frameNumber = mCurrentFrameNumber;
-    layer.bufferId = mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getId() : 0;
-
-    const bool useFiltering =
-            targetSettings.needsFiltering || mNeedsFiltering || bufferNeedsFiltering();
-
-    // Query the texture matrix given our current filtering mode.
-    float textureMatrix[16];
-    getDrawingTransformMatrix(useFiltering, textureMatrix);
-
-    if (getTransformToDisplayInverse()) {
-        /*
-         * the code below applies the primary display's inverse transform to
-         * the texture transform
-         */
-        uint32_t transform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        mat4 tr = inverseOrientation(transform);
-
-        /**
-         * TODO(b/36727915): This is basically a hack.
-         *
-         * Ensure that regardless of the parent transformation,
-         * this buffer is always transformed from native display
-         * orientation to display orientation. For example, in the case
-         * of a camera where the buffer remains in native orientation,
-         * we want the pixels to always be upright.
-         */
-        sp<Layer> p = mDrawingParent.promote();
-        if (p != nullptr) {
-            const auto parentTransform = p->getTransform();
-            tr = tr * inverseOrientation(parentTransform.getOrientation());
-        }
-
-        // and finally apply it to the original texture matrix
-        const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
-        memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
-    }
-
-    const Rect win{getBounds()};
-    float bufferWidth = getBufferSize(s).getWidth();
-    float bufferHeight = getBufferSize(s).getHeight();
-
-    // BufferStateLayers can have a "buffer size" of [0, 0, -1, -1] when no display frame has
-    // been set and there is no parent layer bounds. In that case, the scale is meaningless so
-    // ignore them.
-    if (!getBufferSize(s).isValid()) {
-        bufferWidth = float(win.right) - float(win.left);
-        bufferHeight = float(win.bottom) - float(win.top);
-    }
-
-    const float scaleHeight = (float(win.bottom) - float(win.top)) / bufferHeight;
-    const float scaleWidth = (float(win.right) - float(win.left)) / bufferWidth;
-    const float translateY = float(win.top) / bufferHeight;
-    const float translateX = float(win.left) / bufferWidth;
-
-    // Flip y-coordinates because GLConsumer expects OpenGL convention.
-    mat4 tr = mat4::translate(vec4(.5, .5, 0, 1)) * mat4::scale(vec4(1, -1, 1, 1)) *
-            mat4::translate(vec4(-.5, -.5, 0, 1)) *
-            mat4::translate(vec4(translateX, translateY, 0, 1)) *
-            mat4::scale(vec4(scaleWidth, scaleHeight, 1.0, 1.0));
-
-    layer.source.buffer.useTextureFiltering = useFiltering;
-    layer.source.buffer.textureTransform = mat4(static_cast<const float*>(textureMatrix)) * tr;
-
-    return layer;
-}
-
-bool BufferLayer::isHdrY410() const {
-    // pixel format is HDR Y410 masquerading as RGBA_1010102
-    return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
-            mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
-            mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
-}
-
-sp<compositionengine::LayerFE> BufferLayer::getCompositionEngineLayerFE() const {
-    return asLayerFE();
-}
-
-compositionengine::LayerFECompositionState* BufferLayer::editCompositionState() {
-    return mCompositionState.get();
-}
-
-const compositionengine::LayerFECompositionState* BufferLayer::getCompositionState() const {
-    return mCompositionState.get();
-}
-
-void BufferLayer::preparePerFrameCompositionState() {
-    Layer::preparePerFrameCompositionState();
-
-    // Sideband layers
-    auto* compositionState = editCompositionState();
-    if (compositionState->sidebandStream.get() && !compositionState->sidebandStreamHasFrame) {
-        compositionState->compositionType =
-                aidl::android::hardware::graphics::composer3::Composition::SIDEBAND;
-        return;
-    } else if ((mDrawingState.flags & layer_state_t::eLayerIsDisplayDecoration) != 0) {
-        compositionState->compositionType =
-                aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION;
-    } else {
-        // Normal buffer layers
-        compositionState->hdrMetadata = mBufferInfo.mHdrMetadata;
-        compositionState->compositionType = mPotentialCursor
-                ? aidl::android::hardware::graphics::composer3::Composition::CURSOR
-                : aidl::android::hardware::graphics::composer3::Composition::DEVICE;
-    }
-
-    compositionState->buffer = getBuffer();
-    compositionState->bufferSlot = (mBufferInfo.mBufferSlot == BufferQueue::INVALID_BUFFER_SLOT)
-            ? 0
-            : mBufferInfo.mBufferSlot;
-    compositionState->acquireFence = mBufferInfo.mFence;
-    compositionState->frameNumber = mBufferInfo.mFrameNumber;
-    compositionState->sidebandStreamHasFrame = false;
-}
-
-bool BufferLayer::onPreComposition(nsecs_t) {
-    return hasReadyFrame();
-}
-namespace {
-TimeStats::SetFrameRateVote frameRateToSetFrameRateVotePayload(Layer::FrameRate frameRate) {
-    using FrameRateCompatibility = TimeStats::SetFrameRateVote::FrameRateCompatibility;
-    using Seamlessness = TimeStats::SetFrameRateVote::Seamlessness;
-    const auto frameRateCompatibility = [frameRate] {
-        switch (frameRate.type) {
-            case Layer::FrameRateCompatibility::Default:
-                return FrameRateCompatibility::Default;
-            case Layer::FrameRateCompatibility::ExactOrMultiple:
-                return FrameRateCompatibility::ExactOrMultiple;
-            default:
-                return FrameRateCompatibility::Undefined;
-        }
-    }();
-
-    const auto seamlessness = [frameRate] {
-        switch (frameRate.seamlessness) {
-            case scheduler::Seamlessness::OnlySeamless:
-                return Seamlessness::ShouldBeSeamless;
-            case scheduler::Seamlessness::SeamedAndSeamless:
-                return Seamlessness::NotRequired;
-            default:
-                return Seamlessness::Undefined;
-        }
-    }();
-
-    return TimeStats::SetFrameRateVote{.frameRate = frameRate.rate.getValue(),
-                                       .frameRateCompatibility = frameRateCompatibility,
-                                       .seamlessness = seamlessness};
-}
-} // namespace
-
-void BufferLayer::onPostComposition(const DisplayDevice* display,
-                                    const std::shared_ptr<FenceTime>& glDoneFence,
-                                    const std::shared_ptr<FenceTime>& presentFence,
-                                    const CompositorTiming& compositorTiming) {
-    // mFrameLatencyNeeded is true when a new frame was latched for the
-    // composition.
-    if (!mBufferInfo.mFrameLatencyNeeded) return;
-
-    // Update mFrameEventHistory.
-    finalizeFrameEventHistory(glDoneFence, compositorTiming);
-
-    // Update mFrameTracker.
-    nsecs_t desiredPresentTime = mBufferInfo.mDesiredPresentTime;
-    mFrameTracker.setDesiredPresentTime(desiredPresentTime);
-
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->setDesiredTime(layerId, mCurrentFrameNumber, desiredPresentTime);
-
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer && outputLayer->requiresClientComposition()) {
-        nsecs_t clientCompositionTimestamp = outputLayer->getState().clientCompositionTimestamp;
-        mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(), mCurrentFrameNumber,
-                                               clientCompositionTimestamp,
-                                               FrameTracer::FrameEvent::FALLBACK_COMPOSITION);
-        // Update the SurfaceFrames in the drawing state
-        if (mDrawingState.bufferSurfaceFrameTX) {
-            mDrawingState.bufferSurfaceFrameTX->setGpuComposition();
-        }
-        for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
-            surfaceFrame->setGpuComposition();
-        }
-    }
-
-    std::shared_ptr<FenceTime> frameReadyFence = mBufferInfo.mFenceTime;
-    if (frameReadyFence->isValid()) {
-        mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));
-    } else {
-        // There was no fence for this frame, so assume that it was ready
-        // to be presented at the desired present time.
-        mFrameTracker.setFrameReadyTime(desiredPresentTime);
-    }
-
-    if (display) {
-        const Fps refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
-        const std::optional<Fps> renderRate =
-                mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
-
-        const auto vote = frameRateToSetFrameRateVotePayload(mDrawingState.frameRate);
-        const auto gameMode = getGameMode();
-
-        if (presentFence->isValid()) {
-            mFlinger->mTimeStats->setPresentFence(layerId, mCurrentFrameNumber, presentFence,
-                                                  refreshRate, renderRate, vote, gameMode);
-            mFlinger->mFrameTracer->traceFence(layerId, getCurrentBufferId(), mCurrentFrameNumber,
-                                               presentFence,
-                                               FrameTracer::FrameEvent::PRESENT_FENCE);
-            mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));
-        } else if (const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-                   displayId && mFlinger->getHwComposer().isConnected(*displayId)) {
-            // The HWC doesn't support present fences, so use the refresh
-            // timestamp instead.
-            const nsecs_t actualPresentTime = display->getRefreshTimestamp();
-            mFlinger->mTimeStats->setPresentTime(layerId, mCurrentFrameNumber, actualPresentTime,
-                                                 refreshRate, renderRate, vote, gameMode);
-            mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(),
-                                                   mCurrentFrameNumber, actualPresentTime,
-                                                   FrameTracer::FrameEvent::PRESENT_FENCE);
-            mFrameTracker.setActualPresentTime(actualPresentTime);
-        }
-    }
-
-    mFrameTracker.advanceFrame();
-    mBufferInfo.mFrameLatencyNeeded = false;
-}
-
-void BufferLayer::gatherBufferInfo() {
-    mBufferInfo.mPixelFormat =
-            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->getPixelFormat();
-    mBufferInfo.mFrameLatencyNeeded = true;
-}
-
-bool BufferLayer::shouldPresentNow(nsecs_t expectedPresentTime) const {
-    // If this is not a valid vsync for the layer's uid, return and try again later
-    const bool isVsyncValidForUid =
-            mFlinger->mScheduler->isVsyncValid(expectedPresentTime, mOwnerUid);
-    if (!isVsyncValidForUid) {
-        ATRACE_NAME("!isVsyncValidForUid");
-        return false;
-    }
-
-    // AutoRefresh layers and sideband streams should always be presented
-    if (getSidebandStreamChanged() || getAutoRefresh()) {
-        return true;
-    }
-
-    // If this layer doesn't have a frame is shouldn't be presented
-    if (!hasFrameUpdate()) {
-        return false;
-    }
-
-    // Defer to the derived class to decide whether the next buffer is due for
-    // presentation.
-    return isBufferDue(expectedPresentTime);
-}
-
-bool BufferLayer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                              nsecs_t expectedPresentTime) {
-    ATRACE_CALL();
-
-    bool refreshRequired = latchSidebandStream(recomputeVisibleRegions);
-
-    if (refreshRequired) {
-        return refreshRequired;
-    }
-
-    // If the head buffer's acquire fence hasn't signaled yet, return and
-    // try again later
-    if (!fenceHasSignaled()) {
-        ATRACE_NAME("!fenceHasSignaled()");
-        mFlinger->onLayerUpdate();
-        return false;
-    }
-
-    // Capture the old state of the layer for comparisons later
-    const State& s(getDrawingState());
-    const bool oldOpacity = isOpaque(s);
-
-    BufferInfo oldBufferInfo = mBufferInfo;
-
-    status_t err = updateTexImage(recomputeVisibleRegions, latchTime, expectedPresentTime);
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    err = updateActiveBuffer();
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    err = updateFrameNumber();
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    gatherBufferInfo();
-
-    if (oldBufferInfo.mBuffer == nullptr) {
-        // the first time we receive a buffer, we need to trigger a
-        // geometry invalidation.
-        recomputeVisibleRegions = true;
-    }
-
-    if ((mBufferInfo.mCrop != oldBufferInfo.mCrop) ||
-        (mBufferInfo.mTransform != oldBufferInfo.mTransform) ||
-        (mBufferInfo.mScaleMode != oldBufferInfo.mScaleMode) ||
-        (mBufferInfo.mTransformToDisplayInverse != oldBufferInfo.mTransformToDisplayInverse)) {
-        recomputeVisibleRegions = true;
-    }
-
-    if (oldBufferInfo.mBuffer != nullptr) {
-        uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-        uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-        if (bufWidth != oldBufferInfo.mBuffer->getWidth() ||
-            bufHeight != oldBufferInfo.mBuffer->getHeight()) {
-            recomputeVisibleRegions = true;
-        }
-    }
-
-    if (oldOpacity != isOpaque(s)) {
-        recomputeVisibleRegions = true;
-    }
-
-    return true;
-}
-
-bool BufferLayer::hasReadyFrame() const {
-    return hasFrameUpdate() || getSidebandStreamChanged() || getAutoRefresh();
-}
-
-uint32_t BufferLayer::getEffectiveScalingMode() const {
-    return mBufferInfo.mScaleMode;
-}
-
-bool BufferLayer::isProtected() const {
-    return (mBufferInfo.mBuffer != nullptr) &&
-            (mBufferInfo.mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
-}
-
-// As documented in libhardware header, formats in the range
-// 0x100 - 0x1FF are specific to the HAL implementation, and
-// are known to have no alpha channel
-// TODO: move definition for device-specific range into
-// hardware.h, instead of using hard-coded values here.
-#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
-
-bool BufferLayer::getOpacityForFormat(PixelFormat format) {
-    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
-        return true;
-    }
-    switch (format) {
-        case PIXEL_FORMAT_RGBA_8888:
-        case PIXEL_FORMAT_BGRA_8888:
-        case PIXEL_FORMAT_RGBA_FP16:
-        case PIXEL_FORMAT_RGBA_1010102:
-        case PIXEL_FORMAT_R_8:
-            return false;
-    }
-    // in all other case, we have no blending (also for unknown formats)
-    return true;
-}
-
-bool BufferLayer::needsFiltering(const DisplayDevice* display) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer == nullptr) {
-        return false;
-    }
-
-    // We need filtering if the sourceCrop rectangle size does not match the
-    // displayframe rectangle size (not a 1:1 render)
-    const auto& compositionState = outputLayer->getState();
-    const auto displayFrame = compositionState.displayFrame;
-    const auto sourceCrop = compositionState.sourceCrop;
-    return sourceCrop.getHeight() != displayFrame.getHeight() ||
-            sourceCrop.getWidth() != displayFrame.getWidth();
-}
-
-bool BufferLayer::needsFilteringForScreenshots(const DisplayDevice* display,
-                                               const ui::Transform& inverseParentTransform) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer == nullptr) {
-        return false;
-    }
-
-    // We need filtering if the sourceCrop rectangle size does not match the
-    // viewport rectangle size (not a 1:1 render)
-    const auto& compositionState = outputLayer->getState();
-    const ui::Transform& displayTransform = display->getTransform();
-    const ui::Transform inverseTransform = inverseParentTransform * displayTransform.inverse();
-    // Undo the transformation of the displayFrame so that we're back into
-    // layer-stack space.
-    const Rect frame = inverseTransform.transform(compositionState.displayFrame);
-    const FloatRect sourceCrop = compositionState.sourceCrop;
-
-    int32_t frameHeight = frame.getHeight();
-    int32_t frameWidth = frame.getWidth();
-    // If the display transform had a rotational component then undo the
-    // rotation so that the orientation matches the source crop.
-    if (displayTransform.getOrientation() & ui::Transform::ROT_90) {
-        std::swap(frameHeight, frameWidth);
-    }
-    return sourceCrop.getHeight() != frameHeight || sourceCrop.getWidth() != frameWidth;
-}
-
-Rect BufferLayer::getBufferSize(const State& s) const {
-    // If we have a sideband stream, or we are scaling the buffer then return the layer size since
-    // we cannot determine the buffer size.
-    if ((s.sidebandStream != nullptr) ||
-        (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
-        return Rect(getActiveWidth(s), getActiveHeight(s));
-    }
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return Rect::INVALID_RECT;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return Rect(bufWidth, bufHeight);
-}
-
-FloatRect BufferLayer::computeSourceBounds(const FloatRect& parentBounds) const {
-    const State& s(getDrawingState());
-
-    // If we have a sideband stream, or we are scaling the buffer then return the layer size since
-    // we cannot determine the buffer size.
-    if ((s.sidebandStream != nullptr) ||
-        (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
-        return FloatRect(0, 0, getActiveWidth(s), getActiveHeight(s));
-    }
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return parentBounds;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return FloatRect(0, 0, bufWidth, bufHeight);
-}
-
-void BufferLayer::latchAndReleaseBuffer() {
-    if (hasReadyFrame()) {
-        bool ignored = false;
-        latchBuffer(ignored, systemTime(), 0 /* expectedPresentTime */);
-    }
-    releasePendingBuffer(systemTime());
-}
-
-PixelFormat BufferLayer::getPixelFormat() const {
-    return mBufferInfo.mPixelFormat;
-}
-
-bool BufferLayer::getTransformToDisplayInverse() const {
-    return mBufferInfo.mTransformToDisplayInverse;
-}
-
-Rect BufferLayer::getBufferCrop() const {
-    // this is the crop rectangle that applies to the buffer
-    // itself (as opposed to the window)
-    if (!mBufferInfo.mCrop.isEmpty()) {
-        // if the buffer crop is defined, we use that
-        return mBufferInfo.mCrop;
-    } else if (mBufferInfo.mBuffer != nullptr) {
-        // otherwise we use the whole buffer
-        return mBufferInfo.mBuffer->getBounds();
-    } else {
-        // if we don't have a buffer yet, we use an empty/invalid crop
-        return Rect();
-    }
-}
-
-uint32_t BufferLayer::getBufferTransform() const {
-    return mBufferInfo.mTransform;
-}
-
-ui::Dataspace BufferLayer::getDataSpace() const {
-    return mBufferInfo.mDataspace;
-}
-
-ui::Dataspace BufferLayer::translateDataspace(ui::Dataspace dataspace) {
-    ui::Dataspace updatedDataspace = dataspace;
-    // translate legacy dataspaces to modern dataspaces
-    switch (dataspace) {
-        case ui::Dataspace::SRGB:
-            updatedDataspace = ui::Dataspace::V0_SRGB;
-            break;
-        case ui::Dataspace::SRGB_LINEAR:
-            updatedDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-            break;
-        case ui::Dataspace::JFIF:
-            updatedDataspace = ui::Dataspace::V0_JFIF;
-            break;
-        case ui::Dataspace::BT601_625:
-            updatedDataspace = ui::Dataspace::V0_BT601_625;
-            break;
-        case ui::Dataspace::BT601_525:
-            updatedDataspace = ui::Dataspace::V0_BT601_525;
-            break;
-        case ui::Dataspace::BT709:
-            updatedDataspace = ui::Dataspace::V0_BT709;
-            break;
-        default:
-            break;
-    }
-
-    return updatedDataspace;
-}
-
-sp<GraphicBuffer> BufferLayer::getBuffer() const {
-    return mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer() : nullptr;
-}
-
-void BufferLayer::getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]) {
-    GLConsumer::computeTransformMatrix(outMatrix,
-                                       mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer()
-                                                           : nullptr,
-                                       mBufferInfo.mCrop, mBufferInfo.mTransform, filteringEnabled);
-}
-
-void BufferLayer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
-    Layer::setInitialValuesForClone(clonedFrom);
-
-    sp<BufferLayer> bufferClonedFrom = static_cast<BufferLayer*>(clonedFrom.get());
-    mPremultipliedAlpha = bufferClonedFrom->mPremultipliedAlpha;
-    mPotentialCursor = bufferClonedFrom->mPotentialCursor;
-    mProtectedByApp = bufferClonedFrom->mProtectedByApp;
-
-    updateCloneBufferInfo();
-}
-
-void BufferLayer::updateCloneBufferInfo() {
-    if (!isClone() || !isClonedFromAlive()) {
-        return;
-    }
-
-    sp<BufferLayer> clonedFrom = static_cast<BufferLayer*>(getClonedFrom().get());
-    mBufferInfo = clonedFrom->mBufferInfo;
-    mSidebandStream = clonedFrom->mSidebandStream;
-    surfaceDamageRegion = clonedFrom->surfaceDamageRegion;
-    mCurrentFrameNumber = clonedFrom->mCurrentFrameNumber.load();
-    mPreviousFrameNumber = clonedFrom->mPreviousFrameNumber;
-
-    // After buffer info is updated, the drawingState from the real layer needs to be copied into
-    // the cloned. This is because some properties of drawingState can change when latchBuffer is
-    // called. However, copying the drawingState would also overwrite the cloned layer's relatives
-    // and touchableRegionCrop. Therefore, temporarily store the relatives so they can be set in
-    // the cloned drawingState again.
-    wp<Layer> tmpZOrderRelativeOf = mDrawingState.zOrderRelativeOf;
-    SortedVector<wp<Layer>> tmpZOrderRelatives = mDrawingState.zOrderRelatives;
-    wp<Layer> tmpTouchableRegionCrop = mDrawingState.touchableRegionCrop;
-    WindowInfo tmpInputInfo = mDrawingState.inputInfo;
-
-    cloneDrawingState(clonedFrom.get());
-
-    mDrawingState.touchableRegionCrop = tmpTouchableRegionCrop;
-    mDrawingState.zOrderRelativeOf = tmpZOrderRelativeOf;
-    mDrawingState.zOrderRelatives = tmpZOrderRelatives;
-    mDrawingState.inputInfo = tmpInputInfo;
-}
-
-void BufferLayer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
-    mTransformHint = getFixedTransformHint();
-    if (mTransformHint == ui::Transform::ROT_INVALID) {
-        mTransformHint = displayTransformHint;
-    }
-}
-
-bool BufferLayer::bufferNeedsFiltering() const {
-    return isFixedSize();
-}
-
-const std::shared_ptr<renderengine::ExternalTexture>& BufferLayer::getExternalTexture() const {
-    return mBufferInfo.mBuffer;
-}
-
-} // namespace android
-
-#if defined(__gl_h_)
-#error "don't include gl/gl.h in this file"
-#endif
-
-#if defined(__gl2_h_)
-#error "don't include gl2/gl2.h in this file"
-#endif
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
deleted file mode 100644
index 4c70eb58bf..0000000000
--- a/services/surfaceflinger/BufferLayer.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <sys/types.h>
-#include <cstdint>
-#include <list>
-
-#include <gui/ISurfaceComposerClient.h>
-#include <gui/LayerState.h>
-#include <renderengine/Image.h>
-#include <renderengine/Mesh.h>
-#include <renderengine/Texture.h>
-#include <system/window.h> // For NATIVE_WINDOW_SCALING_MODE_FREEZE
-#include <ui/FrameStats.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/PixelFormat.h>
-#include <ui/Region.h>
-#include <utils/RefBase.h>
-#include <utils/String8.h>
-#include <utils/Timers.h>
-
-#include "BufferLayerConsumer.h"
-#include "Client.h"
-#include "DisplayHardware/HWComposer.h"
-#include "FrameTimeline.h"
-#include "FrameTracker.h"
-#include "Layer.h"
-#include "LayerVector.h"
-#include "MonitoredProducer.h"
-#include "SurfaceFlinger.h"
-
-namespace android {
-
-class BufferLayer : public Layer {
-public:
-    explicit BufferLayer(const LayerCreationArgs& args);
-    virtual ~BufferLayer() override;
-
-    // Implements Layer.
-    sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const override;
-    compositionengine::LayerFECompositionState* editCompositionState() override;
-
-    // If we have received a new buffer this frame, we will pass its surface
-    // damage down to hardware composer. Otherwise, we must send a region with
-    // one empty rect.
-    void useSurfaceDamage() override;
-    void useEmptyDamage() override;
-
-    bool isOpaque(const Layer::State& s) const override;
-    bool canReceiveInput() const override;
-
-    // isVisible - true if this layer is visible, false otherwise
-    bool isVisible() const override;
-
-    // isProtected - true if the layer may contain protected content in the
-    // GRALLOC_USAGE_PROTECTED sense.
-    bool isProtected() const override;
-
-    // isFixedSize - true if content has a fixed size
-    bool isFixedSize() const override;
-
-    bool usesSourceCrop() const override;
-
-    bool isHdrY410() const override;
-
-    void onPostComposition(const DisplayDevice*, const std::shared_ptr<FenceTime>& glDoneFence,
-                           const std::shared_ptr<FenceTime>& presentFence,
-                           const CompositorTiming&) override;
-
-    // latchBuffer - called each time the screen is redrawn and returns whether
-    // the visible regions need to be recomputed (this is a fairly heavy
-    // operation, so this should be set only if needed). Typically this is used
-    // to figure out if the content or size of a surface has changed.
-    bool latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                     nsecs_t expectedPresentTime) override;
-    bool hasReadyFrame() const override;
-
-    // Returns the current scaling mode
-    uint32_t getEffectiveScalingMode() const override;
-
-    // Calls latchBuffer if the buffer has a frame queued and then releases the buffer.
-    // This is used if the buffer is just latched and releases to free up the buffer
-    // and will not be shown on screen.
-    // Should only be called on the main thread.
-    void latchAndReleaseBuffer() override;
-
-    bool getTransformToDisplayInverse() const override;
-
-    Rect getBufferCrop() const override;
-
-    uint32_t getBufferTransform() const override;
-
-    ui::Dataspace getDataSpace() const override;
-
-    sp<GraphicBuffer> getBuffer() const override;
-    const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const override;
-
-    ui::Transform::RotationFlags getTransformHint() const override { return mTransformHint; }
-
-    // Returns true if the transformed buffer size does not match the layer size and we need
-    // to apply filtering.
-    virtual bool bufferNeedsFiltering() const;
-
-protected:
-    struct BufferInfo {
-        nsecs_t mDesiredPresentTime;
-        std::shared_ptr<FenceTime> mFenceTime;
-        sp<Fence> mFence;
-        uint32_t mTransform{0};
-        ui::Dataspace mDataspace{ui::Dataspace::UNKNOWN};
-        Rect mCrop;
-        uint32_t mScaleMode{NATIVE_WINDOW_SCALING_MODE_FREEZE};
-        Region mSurfaceDamage;
-        HdrMetadata mHdrMetadata;
-        int mApi;
-        PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
-        bool mTransformToDisplayInverse{false};
-
-        std::shared_ptr<renderengine::ExternalTexture> mBuffer;
-        uint64_t mFrameNumber;
-        int mBufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
-
-        bool mFrameLatencyNeeded{false};
-    };
-
-    BufferInfo mBufferInfo;
-    virtual void gatherBufferInfo() = 0;
-
-    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&) override;
-
-    /*
-     * compositionengine::LayerFE overrides
-     */
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    bool onPreComposition(nsecs_t) override;
-    void preparePerFrameCompositionState() override;
-
-    static bool getOpacityForFormat(PixelFormat format);
-
-    // from graphics API
-    const uint32_t mTextureName;
-    ui::Dataspace translateDataspace(ui::Dataspace dataspace);
-    void setInitialValuesForClone(const sp<Layer>& clonedFrom);
-    void updateCloneBufferInfo() override;
-    uint64_t mPreviousFrameNumber = 0;
-
-    void setTransformHint(ui::Transform::RotationFlags displayTransformHint) override;
-
-    // Transform hint provided to the producer. This must be accessed holding
-    // the mStateLock.
-    ui::Transform::RotationFlags mTransformHint = ui::Transform::ROT_0;
-
-    bool getAutoRefresh() const { return mDrawingState.autoRefresh; }
-    bool getSidebandStreamChanged() const { return mSidebandStreamChanged; }
-
-    // Returns true if the next buffer should be presented at the expected present time
-    bool shouldPresentNow(nsecs_t expectedPresentTime) const;
-
-    // Returns true if the next buffer should be presented at the expected present time,
-    // overridden by BufferStateLayer and BufferQueueLayer for implementation
-    // specific logic
-    virtual bool isBufferDue(nsecs_t /*expectedPresentTime*/) const = 0;
-
-    std::atomic<bool> mSidebandStreamChanged{false};
-
-private:
-    virtual bool fenceHasSignaled() const = 0;
-    virtual bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const = 0;
-
-    // Latch sideband stream and returns true if the dirty region should be updated.
-    virtual bool latchSidebandStream(bool& recomputeVisibleRegions) = 0;
-
-    virtual bool hasFrameUpdate() const = 0;
-
-    virtual status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                                    nsecs_t expectedPresentTime) = 0;
-
-    virtual status_t updateActiveBuffer() = 0;
-    virtual status_t updateFrameNumber() = 0;
-
-    // We generate InputWindowHandles for all non-cursor buffered layers regardless of whether they
-    // have an InputChannel. This is to enable the InputDispatcher to do PID based occlusion
-    // detection.
-    bool needsInputInfo() const override { return !mPotentialCursor; }
-
-    // Returns true if this layer requires filtering
-    bool needsFiltering(const DisplayDevice*) const override;
-    bool needsFilteringForScreenshots(const DisplayDevice*,
-                                      const ui::Transform& inverseParentTransform) const override;
-
-    // BufferStateLayers can return Rect::INVALID_RECT if the layer does not have a display frame
-    // and its parent layer is not bounded
-    Rect getBufferSize(const State& s) const override;
-
-    PixelFormat getPixelFormat() const;
-
-    // Computes the transform matrix using the setFilteringEnabled to determine whether the
-    // transform matrix should be computed for use with bilinear filtering.
-    void getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]);
-
-    std::unique_ptr<compositionengine::LayerFECompositionState> mCompositionState;
-
-    FloatRect computeSourceBounds(const FloatRect& parentBounds) const override;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
deleted file mode 100644
index 7361a4fdef..0000000000
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#undef LOG_TAG
-#define LOG_TAG "BufferLayerConsumer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "BufferLayerConsumer.h"
-#include "Layer.h"
-#include "Scheduler/VsyncController.h"
-
-#include <inttypes.h>
-
-#include <cutils/compiler.h>
-
-#include <hardware/hardware.h>
-
-#include <math/mat4.h>
-
-#include <gui/BufferItem.h>
-#include <gui/GLConsumer.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/SurfaceComposerClient.h>
-#include <private/gui/ComposerService.h>
-#include <renderengine/RenderEngine.h>
-#include <renderengine/impl/ExternalTexture.h>
-#include <utils/Log.h>
-#include <utils/String8.h>
-#include <utils/Trace.h>
-
-namespace android {
-
-// Macros for including the BufferLayerConsumer name in log messages
-#define BLC_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
-//#define BLC_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__)
-
-static const mat4 mtxIdentity;
-
-BufferLayerConsumer::BufferLayerConsumer(const sp<IGraphicBufferConsumer>& bq,
-                                         renderengine::RenderEngine& engine, uint32_t tex,
-                                         Layer* layer)
-      : ConsumerBase(bq, false),
-        mCurrentCrop(Rect::EMPTY_RECT),
-        mCurrentTransform(0),
-        mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-        mCurrentFence(Fence::NO_FENCE),
-        mCurrentTimestamp(0),
-        mCurrentDataSpace(ui::Dataspace::UNKNOWN),
-        mCurrentFrameNumber(0),
-        mCurrentTransformToDisplayInverse(false),
-        mCurrentSurfaceDamage(),
-        mCurrentApi(0),
-        mDefaultWidth(1),
-        mDefaultHeight(1),
-        mFilteringEnabled(true),
-        mRE(engine),
-        mTexName(tex),
-        mLayer(layer),
-        mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT) {
-    BLC_LOGV("BufferLayerConsumer");
-
-    memcpy(mCurrentTransformMatrix, mtxIdentity.asArray(), sizeof(mCurrentTransformMatrix));
-
-    mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
-}
-
-status_t BufferLayerConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        BLC_LOGE("setDefaultBufferSize: BufferLayerConsumer is abandoned!");
-        return NO_INIT;
-    }
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return mConsumer->setDefaultBufferSize(w, h);
-}
-
-void BufferLayerConsumer::setContentsChangedListener(const wp<ContentsChangedListener>& listener) {
-    setFrameAvailableListener(listener);
-    Mutex::Autolock lock(mMutex);
-    mContentsChangedListener = listener;
-}
-
-status_t BufferLayerConsumer::updateTexImage(BufferRejecter* rejecter, nsecs_t expectedPresentTime,
-                                             bool* autoRefresh, bool* queuedBuffer,
-                                             uint64_t maxFrameNumber) {
-    ATRACE_CALL();
-    BLC_LOGV("updateTexImage");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        BLC_LOGE("updateTexImage: BufferLayerConsumer is abandoned!");
-        return NO_INIT;
-    }
-
-    BufferItem item;
-
-    // Acquire the next buffer.
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    status_t err = acquireBufferLocked(&item, expectedPresentTime, maxFrameNumber);
-    if (err != NO_ERROR) {
-        if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
-            err = NO_ERROR;
-        } else if (err == BufferQueue::PRESENT_LATER) {
-            // return the error, without logging
-        } else {
-            BLC_LOGE("updateTexImage: acquire failed: %s (%d)", strerror(-err), err);
-        }
-        return err;
-    }
-
-    if (autoRefresh) {
-        *autoRefresh = item.mAutoRefresh;
-    }
-
-    if (queuedBuffer) {
-        *queuedBuffer = item.mQueuedBuffer;
-    }
-
-    // We call the rejecter here, in case the caller has a reason to
-    // not accept this buffer.  This is used by SurfaceFlinger to
-    // reject buffers which have the wrong size
-    int slot = item.mSlot;
-    if (rejecter && rejecter->reject(mSlots[slot].mGraphicBuffer, item)) {
-        releaseBufferLocked(slot, mSlots[slot].mGraphicBuffer);
-        return BUFFER_REJECTED;
-    }
-
-    // Release the previous buffer.
-    err = updateAndReleaseLocked(item, &mPendingRelease);
-    if (err != NO_ERROR) {
-        return err;
-    }
-    return err;
-}
-
-void BufferLayerConsumer::setReleaseFence(const sp<Fence>& fence) {
-    if (!fence->isValid()) {
-        return;
-    }
-
-    auto slot = mPendingRelease.isPending ? mPendingRelease.currentTexture : mCurrentTexture;
-    if (slot == BufferQueue::INVALID_BUFFER_SLOT) {
-        return;
-    }
-
-    auto buffer = mPendingRelease.isPending ? mPendingRelease.graphicBuffer
-                                            : mCurrentTextureBuffer->getBuffer();
-    auto err = addReleaseFence(slot, buffer, fence);
-    if (err != OK) {
-        BLC_LOGE("setReleaseFence: failed to add the fence: %s (%d)", strerror(-err), err);
-    }
-}
-
-bool BufferLayerConsumer::releasePendingBuffer() {
-    if (!mPendingRelease.isPending) {
-        BLC_LOGV("Pending buffer already released");
-        return false;
-    }
-    BLC_LOGV("Releasing pending buffer");
-    Mutex::Autolock lock(mMutex);
-    status_t result =
-            releaseBufferLocked(mPendingRelease.currentTexture, mPendingRelease.graphicBuffer);
-    if (result < NO_ERROR) {
-        BLC_LOGE("releasePendingBuffer failed: %s (%d)", strerror(-result), result);
-    }
-    mPendingRelease = PendingRelease();
-    return true;
-}
-
-sp<Fence> BufferLayerConsumer::getPrevFinalReleaseFence() const {
-    Mutex::Autolock lock(mMutex);
-    return ConsumerBase::mPrevFinalReleaseFence;
-}
-
-status_t BufferLayerConsumer::acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                                  uint64_t maxFrameNumber) {
-    status_t err = ConsumerBase::acquireBufferLocked(item, presentWhen, maxFrameNumber);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    // If item->mGraphicBuffer is not null, this buffer has not been acquired
-    // before, so we need to clean up old references.
-    if (item->mGraphicBuffer != nullptr) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        if (mImages[item->mSlot] == nullptr || mImages[item->mSlot]->getBuffer() == nullptr ||
-            mImages[item->mSlot]->getBuffer()->getId() != item->mGraphicBuffer->getId()) {
-            mImages[item->mSlot] = std::make_shared<
-                    renderengine::impl::ExternalTexture>(item->mGraphicBuffer, mRE,
-                                                         renderengine::impl::ExternalTexture::
-                                                                 Usage::READABLE);
-        }
-    }
-
-    return NO_ERROR;
-}
-
-status_t BufferLayerConsumer::updateAndReleaseLocked(const BufferItem& item,
-                                                     PendingRelease* pendingRelease) {
-    status_t err = NO_ERROR;
-
-    int slot = item.mSlot;
-
-    BLC_LOGV("updateAndRelease: (slot=%d buf=%p) -> (slot=%d buf=%p)", mCurrentTexture,
-             (mCurrentTextureBuffer != nullptr && mCurrentTextureBuffer->getBuffer() != nullptr)
-                     ? mCurrentTextureBuffer->getBuffer()->handle
-                     : 0,
-             slot, mSlots[slot].mGraphicBuffer->handle);
-
-    // Hang onto the pointer so that it isn't freed in the call to
-    // releaseBufferLocked() if we're in shared buffer mode and both buffers are
-    // the same.
-
-    std::shared_ptr<renderengine::ExternalTexture> nextTextureBuffer;
-    {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        nextTextureBuffer = mImages[slot];
-    }
-
-    // release old buffer
-    if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        if (pendingRelease == nullptr) {
-            status_t status =
-                    releaseBufferLocked(mCurrentTexture, mCurrentTextureBuffer->getBuffer());
-            if (status < NO_ERROR) {
-                BLC_LOGE("updateAndRelease: failed to release buffer: %s (%d)", strerror(-status),
-                         status);
-                err = status;
-                // keep going, with error raised [?]
-            }
-        } else {
-            pendingRelease->currentTexture = mCurrentTexture;
-            pendingRelease->graphicBuffer = mCurrentTextureBuffer->getBuffer();
-            pendingRelease->isPending = true;
-        }
-    }
-
-    // Update the BufferLayerConsumer state.
-    mCurrentTexture = slot;
-    mCurrentTextureBuffer = nextTextureBuffer;
-    mCurrentCrop = item.mCrop;
-    mCurrentTransform = item.mTransform;
-    mCurrentScalingMode = item.mScalingMode;
-    mCurrentTimestamp = item.mTimestamp;
-    mCurrentDataSpace = static_cast<ui::Dataspace>(item.mDataSpace);
-    mCurrentHdrMetadata = item.mHdrMetadata;
-    mCurrentFence = item.mFence;
-    mCurrentFenceTime = item.mFenceTime;
-    mCurrentFrameNumber = item.mFrameNumber;
-    mCurrentTransformToDisplayInverse = item.mTransformToDisplayInverse;
-    mCurrentSurfaceDamage = item.mSurfaceDamage;
-    mCurrentApi = item.mApi;
-
-    computeCurrentTransformMatrixLocked();
-
-    return err;
-}
-
-void BufferLayerConsumer::getTransformMatrix(float mtx[16]) {
-    Mutex::Autolock lock(mMutex);
-    memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix));
-}
-
-void BufferLayerConsumer::setFilteringEnabled(bool enabled) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        BLC_LOGE("setFilteringEnabled: BufferLayerConsumer is abandoned!");
-        return;
-    }
-    bool needsRecompute = mFilteringEnabled != enabled;
-    mFilteringEnabled = enabled;
-
-    if (needsRecompute && mCurrentTextureBuffer == nullptr) {
-        BLC_LOGD("setFilteringEnabled called with mCurrentTextureBuffer == nullptr");
-    }
-
-    if (needsRecompute && mCurrentTextureBuffer != nullptr) {
-        computeCurrentTransformMatrixLocked();
-    }
-}
-
-void BufferLayerConsumer::computeCurrentTransformMatrixLocked() {
-    BLC_LOGV("computeCurrentTransformMatrixLocked");
-    if (mCurrentTextureBuffer == nullptr || mCurrentTextureBuffer->getBuffer() == nullptr) {
-        BLC_LOGD("computeCurrentTransformMatrixLocked: "
-                 "mCurrentTextureBuffer is nullptr");
-    }
-    GLConsumer::computeTransformMatrix(mCurrentTransformMatrix,
-                                       mCurrentTextureBuffer == nullptr
-                                               ? nullptr
-                                               : mCurrentTextureBuffer->getBuffer(),
-                                       getCurrentCropLocked(), mCurrentTransform,
-                                       mFilteringEnabled);
-}
-
-nsecs_t BufferLayerConsumer::getTimestamp() {
-    BLC_LOGV("getTimestamp");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTimestamp;
-}
-
-ui::Dataspace BufferLayerConsumer::getCurrentDataSpace() {
-    BLC_LOGV("getCurrentDataSpace");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentDataSpace;
-}
-
-const HdrMetadata& BufferLayerConsumer::getCurrentHdrMetadata() const {
-    BLC_LOGV("getCurrentHdrMetadata");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentHdrMetadata;
-}
-
-uint64_t BufferLayerConsumer::getFrameNumber() {
-    BLC_LOGV("getFrameNumber");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFrameNumber;
-}
-
-bool BufferLayerConsumer::getTransformToDisplayInverse() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTransformToDisplayInverse;
-}
-
-const Region& BufferLayerConsumer::getSurfaceDamage() const {
-    return mCurrentSurfaceDamage;
-}
-
-void BufferLayerConsumer::mergeSurfaceDamage(const Region& damage) {
-    if (damage.bounds() == Rect::INVALID_RECT ||
-        mCurrentSurfaceDamage.bounds() == Rect::INVALID_RECT) {
-        mCurrentSurfaceDamage = Region::INVALID_REGION;
-    } else {
-        mCurrentSurfaceDamage |= damage;
-    }
-}
-
-int BufferLayerConsumer::getCurrentApi() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentApi;
-}
-
-std::shared_ptr<renderengine::ExternalTexture> BufferLayerConsumer::getCurrentBuffer(
-        int* outSlot, sp<Fence>* outFence) const {
-    Mutex::Autolock lock(mMutex);
-
-    if (outSlot != nullptr) {
-        *outSlot = mCurrentTexture;
-    }
-
-    if (outFence != nullptr) {
-        *outFence = mCurrentFence;
-    }
-
-    return mCurrentTextureBuffer == nullptr ? nullptr : mCurrentTextureBuffer;
-}
-
-Rect BufferLayerConsumer::getCurrentCrop() const {
-    Mutex::Autolock lock(mMutex);
-    return getCurrentCropLocked();
-}
-
-Rect BufferLayerConsumer::getCurrentCropLocked() const {
-    uint32_t width = mDefaultWidth;
-    uint32_t height = mDefaultHeight;
-    // If the buffer comes with a rotated bit for 90 (or 270) degrees, switch width/height in order
-    // to scale and crop correctly.
-    if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        width = mDefaultHeight;
-        height = mDefaultWidth;
-    }
-
-    return (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP)
-            ? GLConsumer::scaleDownCrop(mCurrentCrop, width, height)
-            : mCurrentCrop;
-}
-
-uint32_t BufferLayerConsumer::getCurrentTransform() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTransform;
-}
-
-uint32_t BufferLayerConsumer::getCurrentScalingMode() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentScalingMode;
-}
-
-sp<Fence> BufferLayerConsumer::getCurrentFence() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFence;
-}
-
-std::shared_ptr<FenceTime> BufferLayerConsumer::getCurrentFenceTime() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFenceTime;
-}
-
-void BufferLayerConsumer::freeBufferLocked(int slotIndex) {
-    BLC_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    std::lock_guard<std::mutex> lock(mImagesMutex);
-    if (slotIndex == mCurrentTexture) {
-        mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
-    }
-    mImages[slotIndex] = nullptr;
-    ConsumerBase::freeBufferLocked(slotIndex);
-}
-
-void BufferLayerConsumer::onDisconnect() {
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        // Nothing to do if we're already abandoned.
-        return;
-    }
-
-    mLayer->onDisconnect();
-}
-
-void BufferLayerConsumer::onSidebandStreamChanged() {
-    [[maybe_unused]] FrameAvailableListener* unsafeFrameAvailableListener = nullptr;
-    {
-        Mutex::Autolock lock(mFrameAvailableMutex);
-        unsafeFrameAvailableListener = mFrameAvailableListener.unsafe_get();
-    }
-    sp<ContentsChangedListener> listener;
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-        ALOG_ASSERT(unsafeFrameAvailableListener == mContentsChangedListener.unsafe_get());
-        listener = mContentsChangedListener.promote();
-    }
-
-    if (listener != nullptr) {
-        listener->onSidebandStreamChanged();
-    }
-}
-
-void BufferLayerConsumer::onBufferAvailable(const BufferItem& item) {
-    if (item.mGraphicBuffer != nullptr && item.mSlot != BufferQueue::INVALID_BUFFER_SLOT) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        const std::shared_ptr<renderengine::ExternalTexture>& oldImage = mImages[item.mSlot];
-        if (oldImage == nullptr || oldImage->getBuffer() == nullptr ||
-            oldImage->getBuffer()->getId() != item.mGraphicBuffer->getId()) {
-            mImages[item.mSlot] = std::make_shared<
-                    renderengine::impl::ExternalTexture>(item.mGraphicBuffer, mRE,
-                                                         renderengine::impl::ExternalTexture::
-                                                                 Usage::READABLE);
-        }
-    }
-}
-
-void BufferLayerConsumer::abandonLocked() {
-    BLC_LOGV("abandonLocked");
-    mCurrentTextureBuffer = nullptr;
-    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        mImages[i] = nullptr;
-    }
-    ConsumerBase::abandonLocked();
-}
-
-status_t BufferLayerConsumer::setConsumerUsageBits(uint64_t usage) {
-    return ConsumerBase::setConsumerUsageBits(usage | DEFAULT_USAGE_FLAGS);
-}
-
-void BufferLayerConsumer::dumpLocked(String8& result, const char* prefix) const {
-    result.appendFormat("%smTexName=%d mCurrentTexture=%d\n"
-                        "%smCurrentCrop=[%d,%d,%d,%d] mCurrentTransform=%#x\n",
-                        prefix, mTexName, mCurrentTexture, prefix, mCurrentCrop.left,
-                        mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom,
-                        mCurrentTransform);
-
-    ConsumerBase::dumpLocked(result, prefix);
-}
-}; // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferLayerConsumer.h b/services/surfaceflinger/BufferLayerConsumer.h
deleted file mode 100644
index 23ad2a3f91..0000000000
--- a/services/surfaceflinger/BufferLayerConsumer.h
+++ /dev/null
@@ -1,354 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_BUFFERLAYERCONSUMER_H
-#define ANDROID_BUFFERLAYERCONSUMER_H
-
-#include <android-base/thread_annotations.h>
-#include <gui/BufferQueueDefs.h>
-#include <gui/ConsumerBase.h>
-#include <gui/HdrMetadata.h>
-#include <renderengine/ExternalTexture.h>
-#include <ui/FenceTime.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/GraphicTypes.h>
-#include <ui/Region.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class Layer;
-class String8;
-
-namespace renderengine {
-class RenderEngine;
-} // namespace renderengine
-
-/*
- * BufferLayerConsumer consumes buffers of graphics data from a BufferQueue,
- * and makes them available to RenderEngine as a texture.
- *
- * A typical usage pattern is to call updateTexImage() when a new frame is
- * desired.  If a new frame is available, the frame is latched.  If not, the
- * previous contents are retained.  The texture is attached and updated after
- * bindTextureImage() is called.
- *
- * All calls to updateTexImage must be made with RenderEngine being current.
- * The texture is attached to the TEXTURE_EXTERNAL texture target.
- */
-class BufferLayerConsumer : public ConsumerBase {
-public:
-    static const status_t BUFFER_REJECTED = UNKNOWN_ERROR + 8;
-
-    class BufferRejecter {
-        friend class BufferLayerConsumer;
-        virtual bool reject(const sp<GraphicBuffer>& buf, const BufferItem& item) = 0;
-
-    protected:
-        virtual ~BufferRejecter() {}
-    };
-
-    struct ContentsChangedListener : public FrameAvailableListener {
-        virtual void onSidebandStreamChanged() = 0;
-    };
-
-    // BufferLayerConsumer constructs a new BufferLayerConsumer object.  The
-    // tex parameter indicates the name of the RenderEngine texture to which
-    // images are to be streamed.
-    BufferLayerConsumer(const sp<IGraphicBufferConsumer>& bq, renderengine::RenderEngine& engine,
-                        uint32_t tex, Layer* layer);
-
-    // Sets the contents changed listener. This should be used instead of
-    // ConsumerBase::setFrameAvailableListener().
-    void setContentsChangedListener(const wp<ContentsChangedListener>& listener);
-
-    // updateTexImage acquires the most recently queued buffer, and sets the
-    // image contents of the target texture to it.
-    //
-    // This call may only be made while RenderEngine is current.
-    //
-    // This calls doFenceWait to ensure proper synchronization unless native
-    // fence is supported.
-    //
-    // Unlike the GLConsumer version, this version takes a functor that may be
-    // used to reject the newly acquired buffer.  It also does not bind the
-    // RenderEngine texture until bindTextureImage is called.
-    status_t updateTexImage(BufferRejecter* rejecter, nsecs_t expectedPresentTime,
-                            bool* autoRefresh, bool* queuedBuffer, uint64_t maxFrameNumber);
-
-    // setReleaseFence stores a fence that will signal when the current buffer
-    // is no longer being read. This fence will be returned to the producer
-    // when the current buffer is released by updateTexImage(). Multiple
-    // fences can be set for a given buffer; they will be merged into a single
-    // union fence.
-    void setReleaseFence(const sp<Fence>& fence);
-
-    bool releasePendingBuffer();
-
-    sp<Fence> getPrevFinalReleaseFence() const;
-
-    // See GLConsumer::getTransformMatrix.
-    void getTransformMatrix(float mtx[16]);
-
-    // getTimestamp retrieves the timestamp associated with the texture image
-    // set by the most recent call to updateTexImage.
-    //
-    // The timestamp is in nanoseconds, and is monotonically increasing. Its
-    // other semantics (zero point, etc) are source-dependent and should be
-    // documented by the source.
-    int64_t getTimestamp();
-
-    // getDataSpace retrieves the DataSpace associated with the texture image
-    // set by the most recent call to updateTexImage.
-    ui::Dataspace getCurrentDataSpace();
-
-    // getCurrentHdrMetadata retrieves the HDR metadata associated with the
-    // texture image set by the most recent call to updateTexImage.
-    const HdrMetadata& getCurrentHdrMetadata() const;
-
-    // getFrameNumber retrieves the frame number associated with the texture
-    // image set by the most recent call to updateTexImage.
-    //
-    // The frame number is an incrementing counter set to 0 at the creation of
-    // the BufferQueue associated with this consumer.
-    uint64_t getFrameNumber();
-
-    bool getTransformToDisplayInverse() const;
-
-    // must be called from SF main thread
-    const Region& getSurfaceDamage() const;
-
-    // Merge the given damage region into the current damage region value.
-    void mergeSurfaceDamage(const Region& damage);
-
-    // getCurrentApi retrieves the API which queues the current buffer.
-    int getCurrentApi() const;
-
-    // See GLConsumer::setDefaultBufferSize.
-    status_t setDefaultBufferSize(uint32_t width, uint32_t height);
-
-    // setFilteringEnabled sets whether the transform matrix should be computed
-    // for use with bilinear filtering.
-    void setFilteringEnabled(bool enabled);
-
-    // getCurrentBuffer returns the buffer associated with the current image.
-    // When outSlot is not nullptr, the current buffer slot index is also
-    // returned. Simiarly, when outFence is not nullptr, the current output
-    // fence is returned.
-    std::shared_ptr<renderengine::ExternalTexture> getCurrentBuffer(
-            int* outSlot = nullptr, sp<Fence>* outFence = nullptr) const;
-
-    // getCurrentCrop returns the cropping rectangle of the current buffer.
-    Rect getCurrentCrop() const;
-
-    // getCurrentTransform returns the transform of the current buffer.
-    uint32_t getCurrentTransform() const;
-
-    // getCurrentScalingMode returns the scaling mode of the current buffer.
-    uint32_t getCurrentScalingMode() const;
-
-    // getCurrentFence returns the fence indicating when the current buffer is
-    // ready to be read from.
-    sp<Fence> getCurrentFence() const;
-
-    // getCurrentFence returns the FenceTime indicating when the current
-    // buffer is ready to be read from.
-    std::shared_ptr<FenceTime> getCurrentFenceTime() const;
-
-    // setConsumerUsageBits overrides the ConsumerBase method to OR
-    // DEFAULT_USAGE_FLAGS to usage.
-    status_t setConsumerUsageBits(uint64_t usage);
-    void onBufferAvailable(const BufferItem& item) EXCLUDES(mImagesMutex);
-
-protected:
-    // abandonLocked overrides the ConsumerBase method to clear
-    // mCurrentTextureImage in addition to the ConsumerBase behavior.
-    virtual void abandonLocked() EXCLUDES(mImagesMutex);
-
-    // dumpLocked overrides the ConsumerBase method to dump BufferLayerConsumer-
-    // specific info in addition to the ConsumerBase behavior.
-    virtual void dumpLocked(String8& result, const char* prefix) const;
-
-    // See ConsumerBase::acquireBufferLocked
-    virtual status_t acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                         uint64_t maxFrameNumber = 0) override
-            EXCLUDES(mImagesMutex);
-
-    bool canUseImageCrop(const Rect& crop) const;
-
-    struct PendingRelease {
-        PendingRelease() : isPending(false), currentTexture(-1), graphicBuffer() {}
-
-        bool isPending;
-        int currentTexture;
-        sp<GraphicBuffer> graphicBuffer;
-    };
-
-    // This releases the buffer in the slot referenced by mCurrentTexture,
-    // then updates state to refer to the BufferItem, which must be a
-    // newly-acquired buffer. If pendingRelease is not null, the parameters
-    // which would have been passed to releaseBufferLocked upon the successful
-    // completion of the method will instead be returned to the caller, so that
-    // it may call releaseBufferLocked itself later.
-    status_t updateAndReleaseLocked(const BufferItem& item,
-                                    PendingRelease* pendingRelease = nullptr)
-            EXCLUDES(mImagesMutex);
-
-private:
-    // Utility class for managing GraphicBuffer references into renderengine
-    class Image {
-    public:
-        Image(const sp<GraphicBuffer>& graphicBuffer, renderengine::RenderEngine& engine);
-        virtual ~Image();
-        const sp<GraphicBuffer>& graphicBuffer() { return mGraphicBuffer; }
-
-    private:
-        // mGraphicBuffer is the buffer that was used to create this image.
-        sp<GraphicBuffer> mGraphicBuffer;
-        // Back-reference into renderengine to initiate cleanup.
-        renderengine::RenderEngine& mRE;
-        DISALLOW_COPY_AND_ASSIGN(Image);
-    };
-
-    // freeBufferLocked frees up the given buffer slot. If the slot has been
-    // initialized this will release the reference to the GraphicBuffer in
-    // that slot.  Otherwise it has no effect.
-    //
-    // This method must be called with mMutex locked.
-    virtual void freeBufferLocked(int slotIndex) EXCLUDES(mImagesMutex);
-
-    // IConsumerListener interface
-    void onDisconnect() override;
-    void onSidebandStreamChanged() override;
-    void addAndGetFrameTimestamps(const NewFrameEventsEntry*, FrameEventHistoryDelta*) override {}
-
-    // computeCurrentTransformMatrixLocked computes the transform matrix for the
-    // current texture.  It uses mCurrentTransform and the current GraphicBuffer
-    // to compute this matrix and stores it in mCurrentTransformMatrix.
-    // mCurrentTextureImage must not be nullptr.
-    void computeCurrentTransformMatrixLocked();
-
-    // getCurrentCropLocked returns the cropping rectangle of the current buffer.
-    Rect getCurrentCropLocked() const;
-
-    // The default consumer usage flags that BufferLayerConsumer always sets on its
-    // BufferQueue instance; these will be OR:d with any additional flags passed
-    // from the BufferLayerConsumer user. In particular, BufferLayerConsumer will always
-    // consume buffers as hardware textures.
-    static const uint64_t DEFAULT_USAGE_FLAGS = GraphicBuffer::USAGE_HW_TEXTURE;
-
-    // mCurrentTextureBuffer is the buffer containing the current texture. It's
-    // possible that this buffer is not associated with any buffer slot, so we
-    // must track it separately in order to support the getCurrentBuffer method.
-    std::shared_ptr<renderengine::ExternalTexture> mCurrentTextureBuffer;
-
-    // mCurrentCrop is the crop rectangle that applies to the current texture.
-    // It gets set each time updateTexImage is called.
-    Rect mCurrentCrop;
-
-    // mCurrentTransform is the transform identifier for the current texture. It
-    // gets set each time updateTexImage is called.
-    uint32_t mCurrentTransform;
-
-    // mCurrentScalingMode is the scaling mode for the current texture. It gets
-    // set each time updateTexImage is called.
-    uint32_t mCurrentScalingMode;
-
-    // mCurrentFence is the fence received from BufferQueue in updateTexImage.
-    sp<Fence> mCurrentFence;
-
-    // The FenceTime wrapper around mCurrentFence.
-    std::shared_ptr<FenceTime> mCurrentFenceTime{FenceTime::NO_FENCE};
-
-    // mCurrentTransformMatrix is the transform matrix for the current texture.
-    // It gets computed by computeTransformMatrix each time updateTexImage is
-    // called.
-    float mCurrentTransformMatrix[16];
-
-    // mCurrentTimestamp is the timestamp for the current texture. It
-    // gets set each time updateTexImage is called.
-    int64_t mCurrentTimestamp;
-
-    // mCurrentDataSpace is the dataspace for the current texture. It
-    // gets set each time updateTexImage is called.
-    ui::Dataspace mCurrentDataSpace;
-
-    // mCurrentHdrMetadata is the HDR metadata for the current texture. It
-    // gets set each time updateTexImage is called.
-    HdrMetadata mCurrentHdrMetadata;
-
-    // mCurrentFrameNumber is the frame counter for the current texture.
-    // It gets set each time updateTexImage is called.
-    uint64_t mCurrentFrameNumber;
-
-    // Indicates this buffer must be transformed by the inverse transform of the screen
-    // it is displayed onto. This is applied after BufferLayerConsumer::mCurrentTransform.
-    // This must be set/read from SurfaceFlinger's main thread.
-    bool mCurrentTransformToDisplayInverse;
-
-    // The portion of this surface that has changed since the previous frame
-    Region mCurrentSurfaceDamage;
-
-    int mCurrentApi;
-
-    uint32_t mDefaultWidth, mDefaultHeight;
-
-    // mFilteringEnabled indicates whether the transform matrix is computed for
-    // use with bilinear filtering. It defaults to true and is changed by
-    // setFilteringEnabled().
-    bool mFilteringEnabled;
-
-    renderengine::RenderEngine& mRE;
-
-    // mTexName is the name of the RenderEngine texture to which streamed
-    // images will be bound when bindTexImage is called. It is set at
-    // construction time.
-    const uint32_t mTexName;
-
-    // The layer for this BufferLayerConsumer. Always check mAbandoned before accessing.
-    Layer* mLayer GUARDED_BY(mMutex);
-
-    wp<ContentsChangedListener> mContentsChangedListener;
-
-    // mCurrentTexture is the buffer slot index of the buffer that is currently
-    // bound to the RenderEngine texture. It is initialized to INVALID_BUFFER_SLOT,
-    // indicating that no buffer slot is currently bound to the texture. Note,
-    // however, that a value of INVALID_BUFFER_SLOT does not necessarily mean
-    // that no buffer is bound to the texture. A call to setBufferCount will
-    // reset mCurrentTexture to INVALID_BUFFER_SLOT.
-    int mCurrentTexture;
-
-    // Shadow buffer cache for cleaning up renderengine references.
-    std::shared_ptr<renderengine::ExternalTexture>
-            mImages[BufferQueueDefs::NUM_BUFFER_SLOTS] GUARDED_BY(mImagesMutex);
-
-    // Separate mutex guarding the shadow buffer cache.
-    // mImagesMutex can be manipulated with binder threads (e.g. onBuffersAllocated)
-    // which is contentious enough that we can't just use mMutex.
-    mutable std::mutex mImagesMutex;
-
-    // A release that is pending on the receipt of a new release fence from
-    // presentDisplay
-    PendingRelease mPendingRelease;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_BUFFERLAYERCONSUMER_H
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
deleted file mode 100644
index bee4de32a6..0000000000
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ /dev/null
@@ -1,575 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#undef LOG_TAG
-#define LOG_TAG "BufferQueueLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include "BufferQueueLayer.h"
-
-#include <compositionengine/LayerFECompositionState.h>
-#include <gui/BufferQueueConsumer.h>
-#include <system/window.h>
-
-#include "LayerRejecter.h"
-#include "SurfaceInterceptor.h"
-
-#include "FrameTracer/FrameTracer.h"
-#include "Scheduler/LayerHistory.h"
-#include "TimeStats/TimeStats.h"
-
-namespace android {
-using PresentState = frametimeline::SurfaceFrame::PresentState;
-
-BufferQueueLayer::BufferQueueLayer(const LayerCreationArgs& args) : BufferLayer(args) {}
-
-BufferQueueLayer::~BufferQueueLayer() {
-    mContentsChangedListener->abandon();
-    mConsumer->abandon();
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for Layer
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
-    const sp<Fence> releaseFence = futureFenceResult.get().value_or(Fence::NO_FENCE);
-    mConsumer->setReleaseFence(releaseFence);
-
-    // Prevent tracing the same release multiple times.
-    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
-        mFlinger->mFrameTracer->traceFence(getSequence(), mPreviousBufferId, mPreviousFrameNumber,
-                                           std::make_shared<FenceTime>(releaseFence),
-                                           FrameTracer::FrameEvent::RELEASE_FENCE);
-        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
-    }
-}
-
-void BufferQueueLayer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
-    BufferLayer::setTransformHint(displayTransformHint);
-    mConsumer->setTransformHint(mTransformHint);
-}
-
-void BufferQueueLayer::releasePendingBuffer(nsecs_t) {
-    if (!mConsumer->releasePendingBuffer()) {
-        return;
-    }
-}
-
-void BufferQueueLayer::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    mConsumer->setDefaultBufferSize(w, h);
-}
-
-int32_t BufferQueueLayer::getQueuedFrameCount() const {
-    return mQueuedFrames;
-}
-
-bool BufferQueueLayer::isBufferDue(nsecs_t expectedPresentTime) const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    const int64_t addedTime = mQueueItems[0].item.mTimestamp;
-
-    // Ignore timestamps more than a second in the future
-    const bool isPlausible = addedTime < (expectedPresentTime + s2ns(1));
-    ALOGW_IF(!isPlausible,
-             "[%s] Timestamp %" PRId64 " seems implausible "
-             "relative to expectedPresent %" PRId64,
-             getDebugName(), addedTime, expectedPresentTime);
-
-    if (!isPlausible) {
-        mFlinger->mTimeStats->incrementBadDesiredPresent(getSequence());
-    }
-
-    const bool isDue = addedTime < expectedPresentTime;
-    return isDue || !isPlausible;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayer
-// -----------------------------------------------------------------------
-
-bool BufferQueueLayer::fenceHasSignaled() const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-        return true;
-    }
-
-    if (!hasFrameUpdate()) {
-        return true;
-    }
-
-    if (mQueueItems[0].item.mIsDroppable) {
-        // Even though this buffer's fence may not have signaled yet, it could
-        // be replaced by another buffer before it has a chance to, which means
-        // that it's possible to get into a situation where a buffer is never
-        // able to be latched. To avoid this, grab this buffer anyway.
-        return true;
-    }
-    const bool fenceSignaled =
-            mQueueItems[0].item.mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
-    if (!fenceSignaled) {
-        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
-                                                    TimeStats::LatchSkipReason::LateAcquire);
-    }
-
-    return fenceSignaled;
-}
-
-bool BufferQueueLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    if (!hasFrameUpdate() || isRemovedFromCurrentState()) {
-        return true;
-    }
-
-    return mQueueItems[0].item.mTimestamp <= expectedPresentTime;
-}
-
-bool BufferQueueLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
-    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
-    editCompositionState()->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
-
-    bool sidebandStreamChanged = true;
-    if (mSidebandStreamChanged.compare_exchange_strong(sidebandStreamChanged, false)) {
-        // mSidebandStreamChanged was changed to false
-        mSidebandStream = mConsumer->getSidebandStream();
-        auto* layerCompositionState = editCompositionState();
-        layerCompositionState->sidebandStream = mSidebandStream;
-        if (layerCompositionState->sidebandStream != nullptr) {
-            setTransactionFlags(eTransactionNeeded);
-            mFlinger->setTransactionFlags(eTraversalNeeded);
-        }
-        recomputeVisibleRegions = true;
-
-        return true;
-    }
-    return false;
-}
-
-bool BufferQueueLayer::hasFrameUpdate() const {
-    return mQueuedFrames > 0;
-}
-
-status_t BufferQueueLayer::updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                                          nsecs_t expectedPresentTime) {
-    // This boolean is used to make sure that SurfaceFlinger's shadow copy
-    // of the buffer queue isn't modified when the buffer queue is returning
-    // BufferItem's that weren't actually queued. This can happen in shared
-    // buffer mode.
-    bool queuedBuffer = false;
-    const int32_t layerId = getSequence();
-    LayerRejecter r(mDrawingState, getDrawingState(), recomputeVisibleRegions,
-                    getProducerStickyTransform() != 0, mName,
-                    getTransformToDisplayInverse());
-
-    if (isRemovedFromCurrentState()) {
-        expectedPresentTime = 0;
-    }
-
-    // updateTexImage() below might drop the some buffers at the head of the queue if there is a
-    // buffer behind them which is timely to be presented. However this buffer may not be signaled
-    // yet. The code below makes sure that this wouldn't happen by setting maxFrameNumber to the
-    // last buffer that was signaled.
-    uint64_t lastSignaledFrameNumber = mLastFrameNumberReceived;
-    {
-        Mutex::Autolock lock(mQueueItemLock);
-        for (size_t i = 0; i < mQueueItems.size(); i++) {
-            bool fenceSignaled =
-                    mQueueItems[i].item.mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
-            if (!fenceSignaled) {
-                break;
-            }
-            lastSignaledFrameNumber = mQueueItems[i].item.mFrameNumber;
-        }
-    }
-    const uint64_t maxFrameNumberToAcquire =
-            std::min(mLastFrameNumberReceived.load(), lastSignaledFrameNumber);
-
-    bool autoRefresh;
-    status_t updateResult = mConsumer->updateTexImage(&r, expectedPresentTime, &autoRefresh,
-                                                      &queuedBuffer, maxFrameNumberToAcquire);
-    mDrawingState.autoRefresh = autoRefresh;
-    if (updateResult == BufferQueue::PRESENT_LATER) {
-        // Producer doesn't want buffer to be displayed yet.  Signal a
-        // layer update so we check again at the next opportunity.
-        mFlinger->onLayerUpdate();
-        return BAD_VALUE;
-    } else if (updateResult == BufferLayerConsumer::BUFFER_REJECTED) {
-        // If the buffer has been rejected, remove it from the shadow queue
-        // and return early
-        if (queuedBuffer) {
-            Mutex::Autolock lock(mQueueItemLock);
-            if (mQueuedFrames > 0) {
-                mConsumer->mergeSurfaceDamage(mQueueItems[0].item.mSurfaceDamage);
-                mFlinger->mTimeStats->removeTimeRecord(layerId, mQueueItems[0].item.mFrameNumber);
-                if (mQueueItems[0].surfaceFrame) {
-                    addSurfaceFrameDroppedForBuffer(mQueueItems[0].surfaceFrame);
-                }
-                mQueueItems.erase(mQueueItems.begin());
-                mQueuedFrames--;
-            }
-        }
-        return BAD_VALUE;
-    } else if (updateResult != NO_ERROR || mUpdateTexImageFailed) {
-        // This can occur if something goes wrong when trying to create the
-        // EGLImage for this buffer. If this happens, the buffer has already
-        // been released, so we need to clean up the queue and bug out
-        // early.
-        if (queuedBuffer) {
-            Mutex::Autolock lock(mQueueItemLock);
-            for (auto& [item, surfaceFrame] : mQueueItems) {
-                if (surfaceFrame) {
-                    addSurfaceFrameDroppedForBuffer(surfaceFrame);
-                }
-            }
-            mQueueItems.clear();
-            mQueuedFrames = 0;
-            mFlinger->mTimeStats->onDestroy(layerId);
-            mFlinger->mFrameTracer->onDestroy(layerId);
-        }
-
-        // Once we have hit this state, the shadow queue may no longer
-        // correctly reflect the incoming BufferQueue's contents, so even if
-        // updateTexImage starts working, the only safe course of action is
-        // to continue to ignore updates.
-        mUpdateTexImageFailed = true;
-
-        return BAD_VALUE;
-    }
-
-    bool more_frames_pending = false;
-    if (queuedBuffer) {
-        // Autolock scope
-        auto currentFrameNumber = mConsumer->getFrameNumber();
-
-        Mutex::Autolock lock(mQueueItemLock);
-
-        // Remove any stale buffers that have been dropped during
-        // updateTexImage
-        while (mQueuedFrames > 0 && mQueueItems[0].item.mFrameNumber != currentFrameNumber) {
-            mConsumer->mergeSurfaceDamage(mQueueItems[0].item.mSurfaceDamage);
-            mFlinger->mTimeStats->removeTimeRecord(layerId, mQueueItems[0].item.mFrameNumber);
-            if (mQueueItems[0].surfaceFrame) {
-                addSurfaceFrameDroppedForBuffer(mQueueItems[0].surfaceFrame);
-            }
-            mQueueItems.erase(mQueueItems.begin());
-            mQueuedFrames--;
-        }
-
-        uint64_t bufferID = mQueueItems[0].item.mGraphicBuffer->getId();
-        mFlinger->mTimeStats->setLatchTime(layerId, currentFrameNumber, latchTime);
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferID, currentFrameNumber, latchTime,
-                                               FrameTracer::FrameEvent::LATCH);
-
-        if (mQueueItems[0].surfaceFrame) {
-            addSurfaceFramePresentedForBuffer(mQueueItems[0].surfaceFrame,
-                                              mQueueItems[0].item.mFenceTime->getSignalTime(),
-                                              latchTime);
-        }
-        mQueueItems.erase(mQueueItems.begin());
-        more_frames_pending = (mQueuedFrames.fetch_sub(1) > 1);
-    }
-
-    // Decrement the queued-frames count.  Signal another event if we
-    // have more frames pending.
-    if ((queuedBuffer && more_frames_pending) || mDrawingState.autoRefresh) {
-        mFlinger->onLayerUpdate();
-    }
-
-    return NO_ERROR;
-}
-
-status_t BufferQueueLayer::updateActiveBuffer() {
-    // update the active buffer
-    mPreviousBufferId = getCurrentBufferId();
-    mBufferInfo.mBuffer =
-            mConsumer->getCurrentBuffer(&mBufferInfo.mBufferSlot, &mBufferInfo.mFence);
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        // this can only happen if the very first buffer was rejected.
-        return BAD_VALUE;
-    }
-    return NO_ERROR;
-}
-
-status_t BufferQueueLayer::updateFrameNumber() {
-    mPreviousFrameNumber = mCurrentFrameNumber;
-    mCurrentFrameNumber = mConsumer->getFrameNumber();
-    return NO_ERROR;
-}
-
-void BufferQueueLayer::setFrameTimelineInfoForBuffer(const FrameTimelineInfo& frameTimelineInfo) {
-    mFrameTimelineInfo = frameTimelineInfo;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayerConsumer::ContentsChangedListener
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onFrameDequeued(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::DEQUEUE);
-}
-
-void BufferQueueLayer::onFrameDetached(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::DETACH);
-}
-
-void BufferQueueLayer::onFrameCancelled(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::CANCEL);
-}
-
-void BufferQueueLayer::onFrameAvailable(const BufferItem& item) {
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = item.mGraphicBuffer->getId();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, item.mFrameNumber, systemTime(),
-                                           FrameTracer::FrameEvent::QUEUE);
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, item.mFrameNumber,
-                                       std::make_shared<FenceTime>(item.mFence),
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-
-    ATRACE_CALL();
-    // Add this buffer from our internal queue tracker
-    { // Autolock scope
-        const nsecs_t presentTime = item.mIsAutoTimestamp ? 0 : item.mTimestamp;
-
-        using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
-        mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
-
-        Mutex::Autolock lock(mQueueItemLock);
-        // Reset the frame number tracker when we receive the first buffer after
-        // a frame number reset
-        if (item.mFrameNumber == 1) {
-            mLastFrameNumberReceived = 0;
-        }
-
-        // Ensure that callbacks are handled in order
-        while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
-            status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
-            if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", getDebugName());
-                break;
-            }
-        }
-
-        auto surfaceFrame = createSurfaceFrameForBuffer(mFrameTimelineInfo, systemTime(), mName);
-
-        mQueueItems.push_back({item, surfaceFrame});
-        mQueuedFrames++;
-
-        // Wake up any pending callbacks
-        mLastFrameNumberReceived = item.mFrameNumber;
-        mQueueItemCondition.broadcast();
-    }
-
-    mFlinger->mInterceptor->saveBufferUpdate(layerId, item.mGraphicBuffer->getWidth(),
-                                             item.mGraphicBuffer->getHeight(), item.mFrameNumber);
-
-    mFlinger->onLayerUpdate();
-    mConsumer->onBufferAvailable(item);
-}
-
-void BufferQueueLayer::onFrameReplaced(const BufferItem& item) {
-    ATRACE_CALL();
-    { // Autolock scope
-        Mutex::Autolock lock(mQueueItemLock);
-
-        // Ensure that callbacks are handled in order
-        while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
-            status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
-            if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", getDebugName());
-                break;
-            }
-        }
-
-        if (!hasFrameUpdate()) {
-            ALOGE("Can't replace a frame on an empty queue");
-            return;
-        }
-
-        auto surfaceFrame = createSurfaceFrameForBuffer(mFrameTimelineInfo, systemTime(), mName);
-        mQueueItems[mQueueItems.size() - 1].item = item;
-        mQueueItems[mQueueItems.size() - 1].surfaceFrame = std::move(surfaceFrame);
-
-        // Wake up any pending callbacks
-        mLastFrameNumberReceived = item.mFrameNumber;
-        mQueueItemCondition.broadcast();
-    }
-
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = item.mGraphicBuffer->getId();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, item.mFrameNumber, systemTime(),
-                                           FrameTracer::FrameEvent::QUEUE);
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, item.mFrameNumber,
-                                       std::make_shared<FenceTime>(item.mFence),
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-    mConsumer->onBufferAvailable(item);
-}
-
-void BufferQueueLayer::onSidebandStreamChanged() {
-    bool sidebandStreamChanged = false;
-    if (mSidebandStreamChanged.compare_exchange_strong(sidebandStreamChanged, true)) {
-        // mSidebandStreamChanged was changed to true
-        mFlinger->onLayerUpdate();
-    }
-}
-
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onFirstRef() {
-    BufferLayer::onFirstRef();
-
-    // Creates a custom BufferQueue for SurfaceFlingerConsumer to use
-    sp<IGraphicBufferProducer> producer;
-    sp<IGraphicBufferConsumer> consumer;
-    mFlinger->getFactory().createBufferQueue(&producer, &consumer, true);
-    mProducer = mFlinger->getFactory().createMonitoredProducer(producer, mFlinger, this);
-    mConsumer =
-            mFlinger->getFactory().createBufferLayerConsumer(consumer, mFlinger->getRenderEngine(),
-                                                             mTextureName, this);
-    mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
-
-    mContentsChangedListener = new ContentsChangedListener(this);
-    mConsumer->setContentsChangedListener(mContentsChangedListener);
-    mConsumer->setName(String8(mName.data(), mName.size()));
-
-    mProducer->setMaxDequeuedBufferCount(2);
-}
-
-status_t BufferQueueLayer::setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format) {
-    // never allow a surface larger than what our underlying GL implementation
-    // can handle.
-    if (mFlinger->exceedsMaxRenderTargetSize(w, h)) {
-        ALOGE("dimensions too large %" PRIu32 " x %" PRIu32, w, h);
-        return BAD_VALUE;
-    }
-
-    setDefaultBufferSize(w, h);
-    mConsumer->setDefaultBufferFormat(format);
-    mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
-
-    return NO_ERROR;
-}
-
-sp<IGraphicBufferProducer> BufferQueueLayer::getProducer() const {
-    return mProducer;
-}
-
-uint32_t BufferQueueLayer::getProducerStickyTransform() const {
-    int producerStickyTransform = 0;
-    int ret = mProducer->query(NATIVE_WINDOW_STICKY_TRANSFORM, &producerStickyTransform);
-    if (ret != OK) {
-        ALOGW("%s: Error %s (%d) while querying window sticky transform.", __FUNCTION__,
-              strerror(-ret), ret);
-        return 0;
-    }
-    return static_cast<uint32_t>(producerStickyTransform);
-}
-
-void BufferQueueLayer::gatherBufferInfo() {
-    BufferLayer::gatherBufferInfo();
-
-    mBufferInfo.mDesiredPresentTime = mConsumer->getTimestamp();
-    mBufferInfo.mFenceTime = mConsumer->getCurrentFenceTime();
-    mBufferInfo.mFence = mConsumer->getCurrentFence();
-    mBufferInfo.mTransform = mConsumer->getCurrentTransform();
-    mBufferInfo.mDataspace = translateDataspace(mConsumer->getCurrentDataSpace());
-    mBufferInfo.mCrop = mConsumer->getCurrentCrop();
-    mBufferInfo.mScaleMode = mConsumer->getCurrentScalingMode();
-    mBufferInfo.mSurfaceDamage = mConsumer->getSurfaceDamage();
-    mBufferInfo.mHdrMetadata = mConsumer->getCurrentHdrMetadata();
-    mBufferInfo.mApi = mConsumer->getCurrentApi();
-    mBufferInfo.mTransformToDisplayInverse = mConsumer->getTransformToDisplayInverse();
-}
-
-sp<Layer> BufferQueueLayer::createClone() {
-    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
-    args.textureName = mTextureName;
-    sp<BufferQueueLayer> layer = mFlinger->getFactory().createBufferQueueLayer(args);
-    layer->setInitialValuesForClone(this);
-
-    return layer;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayerConsumer::ContentsChangedListener
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::ContentsChangedListener::onFrameAvailable(const BufferItem& item) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameAvailable(item);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameReplaced(const BufferItem& item) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameReplaced(item);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onSidebandStreamChanged() {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onSidebandStreamChanged();
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameDequeued(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameDequeued(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameDetached(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameDetached(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameCancelled(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameCancelled(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::abandon() {
-    Mutex::Autolock lock(mMutex);
-    mBufferQueueLayer = nullptr;
-}
-
-// -----------------------------------------------------------------------
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferQueueLayer.h b/services/surfaceflinger/BufferQueueLayer.h
deleted file mode 100644
index e1c80d581d..0000000000
--- a/services/surfaceflinger/BufferQueueLayer.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "BufferLayer.h"
-
-#include <utils/String8.h>
-
-namespace android {
-
-namespace frametimeline {
-class SurfaceFrame;
-}
-
-/*
- * A new BufferQueue and a new BufferLayerConsumer are created when the
- * BufferLayer is first referenced.
- *
- * This also implements onFrameAvailable(), which notifies SurfaceFlinger
- * that new data has arrived.
- */
-class BufferQueueLayer : public BufferLayer {
-public:
-    // Only call while mStateLock is held
-    explicit BufferQueueLayer(const LayerCreationArgs&);
-    ~BufferQueueLayer() override;
-
-    // Implements Layer.
-    const char* getType() const override { return "BufferQueueLayer"; }
-
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
-
-    // If a buffer was replaced this frame, release the former buffer
-    void releasePendingBuffer(nsecs_t dequeueReadyTime) override;
-
-    void setDefaultBufferSize(uint32_t w, uint32_t h) override;
-
-    int32_t getQueuedFrameCount() const override;
-
-    // Returns true if the next buffer should be presented at the expected present time
-    bool isBufferDue(nsecs_t expectedPresentTime) const override;
-
-    // Implements BufferLayer.
-    bool fenceHasSignaled() const override;
-    bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
-
-    status_t setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format);
-    sp<IGraphicBufferProducer> getProducer() const;
-
-    void setSizeForTest(uint32_t w, uint32_t h) {
-        mDrawingState.active_legacy.w = w;
-        mDrawingState.active_legacy.h = h;
-    }
-
-protected:
-    void gatherBufferInfo() override;
-
-    // -----------------------------------------------------------------------
-    // Interface implementation for BufferLayerConsumer::ContentsChangedListener
-    // -----------------------------------------------------------------------
-    class ContentsChangedListener : public BufferLayerConsumer::ContentsChangedListener {
-    public:
-        ContentsChangedListener(BufferQueueLayer* bufferQueueLayer)
-              : mBufferQueueLayer(bufferQueueLayer) {}
-        void abandon();
-
-    protected:
-        void onFrameAvailable(const BufferItem& item) override;
-        void onFrameReplaced(const BufferItem& item) override;
-        void onSidebandStreamChanged() override;
-        void onFrameDequeued(const uint64_t bufferId) override;
-        void onFrameDetached(const uint64_t bufferId) override;
-        void onFrameCancelled(const uint64_t bufferId) override;
-
-    private:
-        BufferQueueLayer* mBufferQueueLayer = nullptr;
-        Mutex mMutex;
-    };
-
-private:
-
-    bool latchSidebandStream(bool& recomputeVisibleRegions) override;
-    void setTransformHint(ui::Transform::RotationFlags displayTransformHint) override;
-
-    bool hasFrameUpdate() const override;
-
-    status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                            nsecs_t expectedPresentTime) override;
-
-    status_t updateActiveBuffer() override;
-    status_t updateFrameNumber() override;
-    void setFrameTimelineInfoForBuffer(const FrameTimelineInfo& frameTimelineInfo) override;
-
-    sp<Layer> createClone() override;
-
-    void onFirstRef() override;
-
-    void onFrameAvailable(const BufferItem& item);
-    void onFrameReplaced(const BufferItem& item);
-    void onSidebandStreamChanged();
-    void onFrameDequeued(const uint64_t bufferId);
-    void onFrameDetached(const uint64_t bufferId);
-    void onFrameCancelled(const uint64_t bufferId);
-
-    // Temporary - Used only for LEGACY camera mode.
-    uint32_t getProducerStickyTransform() const;
-
-    sp<BufferLayerConsumer> mConsumer;
-    sp<IGraphicBufferProducer> mProducer;
-
-    bool mUpdateTexImageFailed{false};
-
-    uint64_t mPreviousBufferId = 0;
-    uint64_t mPreviousReleasedFrameNumber = 0;
-
-    // Local copy of the queued contents of the incoming BufferQueue
-    mutable Mutex mQueueItemLock;
-    Condition mQueueItemCondition;
-
-    struct BufferData {
-        BufferData(BufferItem item, std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame)
-              : item(item), surfaceFrame(surfaceFrame) {}
-        BufferItem item;
-        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame;
-    };
-    std::vector<BufferData> mQueueItems;
-    std::atomic<uint64_t> mLastFrameNumberReceived{0};
-
-    // thread-safe
-    std::atomic<int32_t> mQueuedFrames{0};
-
-    sp<ContentsChangedListener> mContentsChangedListener;
-
-    // The last vsync info received on this layer. This will be used when we get
-    // a buffer to correlate the buffer with the vsync id. Can only be accessed
-    // with the SF state lock held.
-    FrameTimelineInfo mFrameTimelineInfo;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
deleted file mode 100644
index 3875f151cb..0000000000
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ /dev/null
@@ -1,1085 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "BufferStateLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "BufferStateLayer.h"
-
-#include <limits>
-
-#include <FrameTimeline/FrameTimeline.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <gui/BufferQueue.h>
-#include <private/gui/SyncFeatures.h>
-#include <renderengine/Image.h>
-#include "TunnelModeEnabledReporter.h"
-
-#include "EffectLayer.h"
-#include "FrameTracer/FrameTracer.h"
-#include "TimeStats/TimeStats.h"
-
-#define EARLY_RELEASE_ENABLED false
-
-namespace android {
-
-using PresentState = frametimeline::SurfaceFrame::PresentState;
-namespace {
-void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
-                               const sp<GraphicBuffer>& buffer, uint64_t framenumber,
-                               const sp<Fence>& releaseFence,
-                               uint32_t currentMaxAcquiredBufferCount) {
-    if (!listener) {
-        return;
-    }
-    listener->onReleaseBuffer({buffer->getId(), framenumber},
-                              releaseFence ? releaseFence : Fence::NO_FENCE,
-                              currentMaxAcquiredBufferCount);
-}
-} // namespace
-
-BufferStateLayer::BufferStateLayer(const LayerCreationArgs& args)
-      : BufferLayer(args), mHwcSlotGenerator(new HwcSlotGenerator()) {
-    mDrawingState.dataspace = ui::Dataspace::V0_SRGB;
-}
-
-BufferStateLayer::~BufferStateLayer() {
-    // The original layer and the clone layer share the same texture and buffer. Therefore, only
-    // one of the layers, in this case the original layer, needs to handle the deletion. The
-    // original layer and the clone should be removed at the same time so there shouldn't be any
-    // issue with the clone layer trying to use the texture.
-    if (mBufferInfo.mBuffer != nullptr) {
-        callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFrameNumber,
-                                  mBufferInfo.mFence,
-                                  mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                          mOwnerUid));
-    }
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for Layer
-// -----------------------------------------------------------------------
-void BufferStateLayer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
-    // If we are displayed on multiple displays in a single composition cycle then we would
-    // need to do careful tracking to enable the use of the mLastClientCompositionFence.
-    //  For example we can only use it if all the displays are client comp, and we need
-    //  to merge all the client comp fences. We could do this, but for now we just
-    // disable the optimization when a layer is composed on multiple displays.
-    if (mClearClientCompositionFenceOnLayerDisplayed) {
-        mLastClientCompositionFence = nullptr;
-    } else {
-        mClearClientCompositionFenceOnLayerDisplayed = true;
-    }
-
-    // The previous release fence notifies the client that SurfaceFlinger is done with the previous
-    // buffer that was presented on this layer. The first transaction that came in this frame that
-    // replaced the previous buffer on this layer needs this release fence, because the fence will
-    // let the client know when that previous buffer is removed from the screen.
-    //
-    // Every other transaction on this layer does not need a release fence because no other
-    // Transactions that were set on this layer this frame are going to have their preceeding buffer
-    // removed from the display this frame.
-    //
-    // For example, if we have 3 transactions this frame. The first transaction doesn't contain a
-    // buffer so it doesn't need a previous release fence because the layer still needs the previous
-    // buffer. The second transaction contains a buffer so it needs a previous release fence because
-    // the previous buffer will be released this frame. The third transaction also contains a
-    // buffer. It replaces the buffer in the second transaction. The buffer in the second
-    // transaction will now no longer be presented so it is released immediately and the third
-    // transaction doesn't need a previous release fence.
-    sp<CallbackHandle> ch;
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            ch = handle;
-            break;
-        }
-    }
-
-    // Prevent tracing the same release multiple times.
-    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
-        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
-    }
-
-    if (ch != nullptr) {
-        ch->previousReleaseCallbackId = mPreviousReleaseCallbackId;
-        ch->previousReleaseFences.emplace_back(std::move(futureFenceResult));
-        ch->name = mName;
-    }
-}
-
-void BufferStateLayer::onSurfaceFrameCreated(
-        const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame) {
-    while (mPendingJankClassifications.size() >= kPendingClassificationMaxSurfaceFrames) {
-        // Too many SurfaceFrames pending classification. The front of the deque is probably not
-        // tracked by FrameTimeline and will never be presented. This will only result in a memory
-        // leak.
-        ALOGW("Removing the front of pending jank deque from layer - %s to prevent memory leak",
-              mName.c_str());
-        std::string miniDump = mPendingJankClassifications.front()->miniDump();
-        ALOGD("Head SurfaceFrame mini dump\n%s", miniDump.c_str());
-        mPendingJankClassifications.pop_front();
-    }
-    mPendingJankClassifications.emplace_back(surfaceFrame);
-}
-
-void BufferStateLayer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->transformHint = mTransformHint;
-        handle->dequeueReadyTime = dequeueReadyTime;
-        handle->currentMaxAcquiredBufferCount =
-                mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mOwnerUid);
-    }
-
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            handle->previousReleaseCallbackId = mPreviousReleaseCallbackId;
-            break;
-        }
-    }
-
-    std::vector<JankData> jankData;
-    jankData.reserve(mPendingJankClassifications.size());
-    while (!mPendingJankClassifications.empty()
-            && mPendingJankClassifications.front()->getJankType()) {
-        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame =
-                mPendingJankClassifications.front();
-        mPendingJankClassifications.pop_front();
-        jankData.emplace_back(
-                JankData(surfaceFrame->getToken(), surfaceFrame->getJankType().value()));
-    }
-
-    mFlinger->getTransactionCallbackInvoker().addCallbackHandles(
-            mDrawingState.callbackHandles, jankData);
-
-    sp<Fence> releaseFence = Fence::NO_FENCE;
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            releaseFence =
-                    handle->previousReleaseFence ? handle->previousReleaseFence : Fence::NO_FENCE;
-            break;
-        }
-    }
-
-    mDrawingState.callbackHandles = {};
-}
-
-void BufferStateLayer::finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& glDoneFence,
-                                                 const CompositorTiming& compositorTiming) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->gpuCompositionDoneFence = glDoneFence;
-        handle->compositorTiming = compositorTiming;
-    }
-}
-
-bool BufferStateLayer::willPresentCurrentTransaction() const {
-    // Returns true if the most recent Transaction applied to CurrentState will be presented.
-    return (getSidebandStreamChanged() || getAutoRefresh() ||
-            (mDrawingState.modified &&
-             (mDrawingState.buffer != nullptr || mDrawingState.bgColorLayer != nullptr)));
-}
-
-Rect BufferStateLayer::getCrop(const Layer::State& s) const {
-    return s.crop;
-}
-
-bool BufferStateLayer::setTransform(uint32_t transform) {
-    if (mDrawingState.bufferTransform == transform) return false;
-    mDrawingState.bufferTransform = transform;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setTransformToDisplayInverse(bool transformToDisplayInverse) {
-    if (mDrawingState.transformToDisplayInverse == transformToDisplayInverse) return false;
-    mDrawingState.sequence++;
-    mDrawingState.transformToDisplayInverse = transformToDisplayInverse;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setCrop(const Rect& crop) {
-    if (mDrawingState.crop == crop) return false;
-    mDrawingState.sequence++;
-    mDrawingState.crop = crop;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setBufferCrop(const Rect& bufferCrop) {
-    if (mDrawingState.bufferCrop == bufferCrop) return false;
-
-    mDrawingState.sequence++;
-    mDrawingState.bufferCrop = bufferCrop;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setDestinationFrame(const Rect& destinationFrame) {
-    if (mDrawingState.destinationFrame == destinationFrame) return false;
-
-    mDrawingState.sequence++;
-    mDrawingState.destinationFrame = destinationFrame;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-static bool assignTransform(ui::Transform* dst, ui::Transform& from) {
-    if (*dst == from) {
-        return false;
-    }
-    *dst = from;
-    return true;
-}
-
-// Translate destination frame into scale and position. If a destination frame is not set, use the
-// provided scale and position
-bool BufferStateLayer::updateGeometry() {
-    if ((mDrawingState.flags & layer_state_t::eIgnoreDestinationFrame) ||
-        mDrawingState.destinationFrame.isEmpty()) {
-        // If destination frame is not set, use the requested transform set via
-        // BufferStateLayer::setPosition and BufferStateLayer::setMatrix.
-        return assignTransform(&mDrawingState.transform, mRequestedTransform);
-    }
-
-    Rect destRect = mDrawingState.destinationFrame;
-    int32_t destW = destRect.width();
-    int32_t destH = destRect.height();
-    if (destRect.left < 0) {
-        destRect.left = 0;
-        destRect.right = destW;
-    }
-    if (destRect.top < 0) {
-        destRect.top = 0;
-        destRect.bottom = destH;
-    }
-
-    if (!mDrawingState.buffer) {
-        ui::Transform t;
-        t.set(destRect.left, destRect.top);
-        return assignTransform(&mDrawingState.transform, t);
-    }
-
-    uint32_t bufferWidth = mDrawingState.buffer->getWidth();
-    uint32_t bufferHeight = mDrawingState.buffer->getHeight();
-    // Undo any transformations on the buffer.
-    if (mDrawingState.bufferTransform & ui::Transform::ROT_90) {
-        std::swap(bufferWidth, bufferHeight);
-    }
-    uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-    if (mDrawingState.transformToDisplayInverse) {
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufferWidth, bufferHeight);
-        }
-    }
-
-    float sx = destW / static_cast<float>(bufferWidth);
-    float sy = destH / static_cast<float>(bufferHeight);
-    ui::Transform t;
-    t.set(sx, 0, 0, sy);
-    t.set(destRect.left, destRect.top);
-    return assignTransform(&mDrawingState.transform, t);
-}
-
-bool BufferStateLayer::setMatrix(const layer_state_t::matrix22_t& matrix) {
-    if (mRequestedTransform.dsdx() == matrix.dsdx && mRequestedTransform.dtdy() == matrix.dtdy &&
-        mRequestedTransform.dtdx() == matrix.dtdx && mRequestedTransform.dsdy() == matrix.dsdy) {
-        return false;
-    }
-
-    ui::Transform t;
-    t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mRequestedTransform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mDrawingState.sequence++;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    return true;
-}
-
-bool BufferStateLayer::setPosition(float x, float y) {
-    if (mRequestedTransform.tx() == x && mRequestedTransform.ty() == y) {
-        return false;
-    }
-
-    mRequestedTransform.set(x, y);
-
-    mDrawingState.sequence++;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    return true;
-}
-
-bool BufferStateLayer::setBuffer(std::shared_ptr<renderengine::ExternalTexture>& buffer,
-                                 const BufferData& bufferData, nsecs_t postTime,
-                                 nsecs_t desiredPresentTime, bool isAutoTimestamp,
-                                 std::optional<nsecs_t> dequeueTime,
-                                 const FrameTimelineInfo& info) {
-    ATRACE_CALL();
-
-    if (!buffer) {
-        return false;
-    }
-
-    const bool frameNumberChanged =
-            bufferData.flags.test(BufferData::BufferDataChange::frameNumberChanged);
-    const uint64_t frameNumber =
-            frameNumberChanged ? bufferData.frameNumber : mDrawingState.frameNumber + 1;
-
-    if (mDrawingState.buffer) {
-        mReleasePreviousBuffer = true;
-        if (!mBufferInfo.mBuffer ||
-            (!mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer) ||
-             mDrawingState.frameNumber != mBufferInfo.mFrameNumber)) {
-            // If mDrawingState has a buffer, and we are about to update again
-            // before swapping to drawing state, then the first buffer will be
-            // dropped and we should decrement the pending buffer count and
-            // call any release buffer callbacks if set.
-            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
-                                      mDrawingState.acquireFence,
-                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                              mOwnerUid));
-            decrementPendingBufferCount();
-            if (mDrawingState.bufferSurfaceFrameTX != nullptr &&
-                mDrawingState.bufferSurfaceFrameTX->getPresentState() != PresentState::Presented) {
-              addSurfaceFrameDroppedForBuffer(mDrawingState.bufferSurfaceFrameTX);
-              mDrawingState.bufferSurfaceFrameTX.reset();
-            }
-        } else if (EARLY_RELEASE_ENABLED && mLastClientCompositionFence != nullptr) {
-            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
-                                      mLastClientCompositionFence,
-                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                              mOwnerUid));
-            mLastClientCompositionFence = nullptr;
-        }
-    }
-
-    mDrawingState.frameNumber = frameNumber;
-    mDrawingState.releaseBufferListener = bufferData.releaseBufferListener;
-    mDrawingState.buffer = std::move(buffer);
-    mDrawingState.clientCacheId = bufferData.cachedBuffer;
-
-    mDrawingState.acquireFence = bufferData.flags.test(BufferData::BufferDataChange::fenceChanged)
-            ? bufferData.acquireFence
-            : Fence::NO_FENCE;
-    mDrawingState.acquireFenceTime = std::make_unique<FenceTime>(mDrawingState.acquireFence);
-    if (mDrawingState.acquireFenceTime->getSignalTime() == Fence::SIGNAL_TIME_PENDING) {
-        // We latched this buffer unsiganled, so we need to pass the acquire fence
-        // on the callback instead of just the acquire time, since it's unknown at
-        // this point.
-        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFence;
-    } else {
-        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFenceTime->getSignalTime();
-    }
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->setPostTime(layerId, mDrawingState.frameNumber, getName().c_str(),
-                                      mOwnerUid, postTime, getGameMode());
-    mDrawingState.desiredPresentTime = desiredPresentTime;
-    mDrawingState.isAutoTimestamp = isAutoTimestamp;
-
-    const nsecs_t presentTime = [&] {
-        if (!isAutoTimestamp) return desiredPresentTime;
-
-        const auto prediction =
-                mFlinger->mFrameTimeline->getTokenManager()->getPredictionsForToken(info.vsyncId);
-        if (prediction.has_value()) return prediction->presentTime;
-
-        return static_cast<nsecs_t>(0);
-    }();
-
-    using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
-    mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
-
-    setFrameTimelineVsyncForBufferTransaction(info, postTime);
-
-    if (dequeueTime && *dequeueTime != 0) {
-        const uint64_t bufferId = mDrawingState.buffer->getId();
-        mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, *dequeueTime,
-                                               FrameTracer::FrameEvent::DEQUEUE);
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, postTime,
-                                               FrameTracer::FrameEvent::QUEUE);
-    }
-
-    mDrawingState.width = mDrawingState.buffer->getWidth();
-    mDrawingState.height = mDrawingState.buffer->getHeight();
-    mDrawingState.releaseBufferEndpoint = bufferData.releaseBufferEndpoint;
-    return true;
-}
-
-bool BufferStateLayer::setDataspace(ui::Dataspace dataspace) {
-    if (mDrawingState.dataspace == dataspace) return false;
-    mDrawingState.dataspace = dataspace;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setHdrMetadata(const HdrMetadata& hdrMetadata) {
-    if (mDrawingState.hdrMetadata == hdrMetadata) return false;
-    mDrawingState.hdrMetadata = hdrMetadata;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setSurfaceDamageRegion(const Region& surfaceDamage) {
-    mDrawingState.surfaceDamageRegion = surfaceDamage;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setApi(int32_t api) {
-    if (mDrawingState.api == api) return false;
-    mDrawingState.api = api;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setSidebandStream(const sp<NativeHandle>& sidebandStream) {
-    if (mDrawingState.sidebandStream == sidebandStream) return false;
-
-    if (mDrawingState.sidebandStream != nullptr && sidebandStream == nullptr) {
-        mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
-    } else if (sidebandStream != nullptr) {
-        mFlinger->mTunnelModeEnabledReporter->incrementTunnelModeCount();
-    }
-
-    mDrawingState.sidebandStream = sidebandStream;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    if (!mSidebandStreamChanged.exchange(true)) {
-        // mSidebandStreamChanged was false
-        mFlinger->onLayerUpdate();
-    }
-    return true;
-}
-
-bool BufferStateLayer::setTransactionCompletedListeners(
-        const std::vector<sp<CallbackHandle>>& handles) {
-    // If there is no handle, we will not send a callback so reset mReleasePreviousBuffer and return
-    if (handles.empty()) {
-        mReleasePreviousBuffer = false;
-        return false;
-    }
-
-    const bool willPresent = willPresentCurrentTransaction();
-
-    for (const auto& handle : handles) {
-        // If this transaction set a buffer on this layer, release its previous buffer
-        handle->releasePreviousBuffer = mReleasePreviousBuffer;
-
-        // If this layer will be presented in this frame
-        if (willPresent) {
-            // If this transaction set an acquire fence on this layer, set its acquire time
-            handle->acquireTimeOrFence = mCallbackHandleAcquireTimeOrFence;
-            handle->frameNumber = mDrawingState.frameNumber;
-
-            // Store so latched time and release fence can be set
-            mDrawingState.callbackHandles.push_back(handle);
-
-        } else { // If this layer will NOT need to be relatched and presented this frame
-            // Notify the transaction completed thread this handle is done
-            mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
-        }
-    }
-
-    mReleasePreviousBuffer = false;
-    mCallbackHandleAcquireTimeOrFence = -1;
-
-    return willPresent;
-}
-
-bool BufferStateLayer::setTransparentRegionHint(const Region& transparent) {
-    mDrawingState.sequence++;
-    mDrawingState.transparentRegionHint = transparent;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-Rect BufferStateLayer::getBufferSize(const State& /*s*/) const {
-    // for buffer state layers we use the display frame size as the buffer size.
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return Rect::INVALID_RECT;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return Rect(0, 0, static_cast<int32_t>(bufWidth), static_cast<int32_t>(bufHeight));
-}
-
-FloatRect BufferStateLayer::computeSourceBounds(const FloatRect& parentBounds) const {
-    if (mBufferInfo.mBuffer == nullptr) {
-        return parentBounds;
-    }
-
-    return getBufferSize(getDrawingState()).toFloatRect();
-}
-
-// -----------------------------------------------------------------------
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayer
-// -----------------------------------------------------------------------
-bool BufferStateLayer::fenceHasSignaled() const {
-    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-        return true;
-    }
-
-    const bool fenceSignaled =
-            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
-    if (!fenceSignaled) {
-        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
-                                                    TimeStats::LatchSkipReason::LateAcquire);
-    }
-
-    return fenceSignaled;
-}
-
-bool BufferStateLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
-    if (!hasFrameUpdate() || isRemovedFromCurrentState()) {
-        return true;
-    }
-
-    return mDrawingState.isAutoTimestamp || mDrawingState.desiredPresentTime <= expectedPresentTime;
-}
-
-bool BufferStateLayer::onPreComposition(nsecs_t refreshStartTime) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->refreshStartTime = refreshStartTime;
-    }
-    return BufferLayer::onPreComposition(refreshStartTime);
-}
-
-void BufferStateLayer::setAutoRefresh(bool autoRefresh) {
-    mDrawingState.autoRefresh = autoRefresh;
-}
-
-bool BufferStateLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
-    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
-    editCompositionState()->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
-
-    if (mSidebandStreamChanged.exchange(false)) {
-        const State& s(getDrawingState());
-        // mSidebandStreamChanged was true
-        mSidebandStream = s.sidebandStream;
-        editCompositionState()->sidebandStream = mSidebandStream;
-        if (mSidebandStream != nullptr) {
-            setTransactionFlags(eTransactionNeeded);
-            mFlinger->setTransactionFlags(eTraversalNeeded);
-        }
-        recomputeVisibleRegions = true;
-
-        return true;
-    }
-    return false;
-}
-
-bool BufferStateLayer::hasFrameUpdate() const {
-    const State& c(getDrawingState());
-    return (mDrawingStateModified || mDrawingState.modified) && (c.buffer != nullptr || c.bgColorLayer != nullptr);
-}
-
-status_t BufferStateLayer::updateTexImage(bool& /*recomputeVisibleRegions*/, nsecs_t latchTime,
-                                          nsecs_t /*expectedPresentTime*/) {
-    const State& s(getDrawingState());
-
-    if (!s.buffer) {
-        if (s.bgColorLayer) {
-            for (auto& handle : mDrawingState.callbackHandles) {
-                handle->latchTime = latchTime;
-            }
-        }
-        return NO_ERROR;
-    }
-
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->frameNumber == mDrawingState.frameNumber) {
-            handle->latchTime = latchTime;
-        }
-    }
-
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = mDrawingState.buffer->getId();
-    const uint64_t frameNumber = mDrawingState.frameNumber;
-    const auto acquireFence = std::make_shared<FenceTime>(mDrawingState.acquireFence);
-    mFlinger->mTimeStats->setAcquireFence(layerId, frameNumber, acquireFence);
-    mFlinger->mTimeStats->setLatchTime(layerId, frameNumber, latchTime);
-
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, frameNumber, acquireFence,
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, latchTime,
-                                           FrameTracer::FrameEvent::LATCH);
-
-    auto& bufferSurfaceFrame = mDrawingState.bufferSurfaceFrameTX;
-    if (bufferSurfaceFrame != nullptr &&
-        bufferSurfaceFrame->getPresentState() != PresentState::Presented) {
-        // Update only if the bufferSurfaceFrame wasn't already presented. A Presented
-        // bufferSurfaceFrame could be seen here if a pending state was applied successfully and we
-        // are processing the next state.
-        addSurfaceFramePresentedForBuffer(bufferSurfaceFrame,
-                                          mDrawingState.acquireFenceTime->getSignalTime(),
-                                          latchTime);
-        mDrawingState.bufferSurfaceFrameTX.reset();
-    }
-
-    std::deque<sp<CallbackHandle>> remainingHandles;
-    mFlinger->getTransactionCallbackInvoker()
-            .addOnCommitCallbackHandles(mDrawingState.callbackHandles, remainingHandles);
-    mDrawingState.callbackHandles = remainingHandles;
-
-    mDrawingStateModified = false;
-
-    return NO_ERROR;
-}
-
-status_t BufferStateLayer::updateActiveBuffer() {
-    const State& s(getDrawingState());
-
-    if (s.buffer == nullptr) {
-        return BAD_VALUE;
-    }
-
-    if (!mBufferInfo.mBuffer || !s.buffer->hasSameBuffer(*mBufferInfo.mBuffer)) {
-        decrementPendingBufferCount();
-    }
-
-    mPreviousReleaseCallbackId = {getCurrentBufferId(), mBufferInfo.mFrameNumber};
-    mBufferInfo.mBuffer = s.buffer;
-    mBufferInfo.mFence = s.acquireFence;
-    mBufferInfo.mFrameNumber = s.frameNumber;
-
-    return NO_ERROR;
-}
-
-status_t BufferStateLayer::updateFrameNumber() {
-    // TODO(marissaw): support frame history events
-    mPreviousFrameNumber = mCurrentFrameNumber;
-    mCurrentFrameNumber = mDrawingState.frameNumber;
-    return NO_ERROR;
-}
-
-void BufferStateLayer::HwcSlotGenerator::bufferErased(const client_cache_t& clientCacheId) {
-    std::lock_guard lock(mMutex);
-    if (!clientCacheId.isValid()) {
-        ALOGE("invalid process, failed to erase buffer");
-        return;
-    }
-    eraseBufferLocked(clientCacheId);
-}
-
-int BufferStateLayer::HwcSlotGenerator::getHwcCacheSlot(const client_cache_t& clientCacheId) {
-    std::lock_guard<std::mutex> lock(mMutex);
-    auto itr = mCachedBuffers.find(clientCacheId);
-    if (itr == mCachedBuffers.end()) {
-        return addCachedBuffer(clientCacheId);
-    }
-    auto& [hwcCacheSlot, counter] = itr->second;
-    counter = mCounter++;
-    return hwcCacheSlot;
-}
-
-int BufferStateLayer::HwcSlotGenerator::addCachedBuffer(const client_cache_t& clientCacheId)
-        REQUIRES(mMutex) {
-    if (!clientCacheId.isValid()) {
-        ALOGE("invalid process, returning invalid slot");
-        return BufferQueue::INVALID_BUFFER_SLOT;
-    }
-
-    ClientCache::getInstance().registerErasedRecipient(clientCacheId, wp<ErasedRecipient>(this));
-
-    int hwcCacheSlot = getFreeHwcCacheSlot();
-    mCachedBuffers[clientCacheId] = {hwcCacheSlot, mCounter++};
-    return hwcCacheSlot;
-}
-
-int BufferStateLayer::HwcSlotGenerator::getFreeHwcCacheSlot() REQUIRES(mMutex) {
-    if (mFreeHwcCacheSlots.empty()) {
-        evictLeastRecentlyUsed();
-    }
-
-    int hwcCacheSlot = mFreeHwcCacheSlots.top();
-    mFreeHwcCacheSlots.pop();
-    return hwcCacheSlot;
-}
-
-void BufferStateLayer::HwcSlotGenerator::evictLeastRecentlyUsed() REQUIRES(mMutex) {
-    uint64_t minCounter = UINT_MAX;
-    client_cache_t minClientCacheId = {};
-    for (const auto& [clientCacheId, slotCounter] : mCachedBuffers) {
-        const auto& [hwcCacheSlot, counter] = slotCounter;
-        if (counter < minCounter) {
-            minCounter = counter;
-            minClientCacheId = clientCacheId;
-        }
-    }
-    eraseBufferLocked(minClientCacheId);
-
-    ClientCache::getInstance().unregisterErasedRecipient(minClientCacheId, this);
-}
-
-void BufferStateLayer::HwcSlotGenerator::eraseBufferLocked(const client_cache_t& clientCacheId)
-        REQUIRES(mMutex) {
-    auto itr = mCachedBuffers.find(clientCacheId);
-    if (itr == mCachedBuffers.end()) {
-        return;
-    }
-    auto& [hwcCacheSlot, counter] = itr->second;
-
-    // TODO send to hwc cache and resources
-
-    mFreeHwcCacheSlots.push(hwcCacheSlot);
-    mCachedBuffers.erase(clientCacheId);
-}
-
-void BufferStateLayer::gatherBufferInfo() {
-    BufferLayer::gatherBufferInfo();
-
-    const State& s(getDrawingState());
-    mBufferInfo.mDesiredPresentTime = s.desiredPresentTime;
-    mBufferInfo.mFenceTime = std::make_shared<FenceTime>(s.acquireFence);
-    mBufferInfo.mFence = s.acquireFence;
-    mBufferInfo.mTransform = s.bufferTransform;
-    auto lastDataspace = mBufferInfo.mDataspace;
-    mBufferInfo.mDataspace = translateDataspace(s.dataspace);
-    if (lastDataspace != mBufferInfo.mDataspace) {
-        mFlinger->mSomeDataspaceChanged = true;
-    }
-    mBufferInfo.mCrop = computeBufferCrop(s);
-    mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
-    mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
-    mBufferInfo.mHdrMetadata = s.hdrMetadata;
-    mBufferInfo.mApi = s.api;
-    mBufferInfo.mTransformToDisplayInverse = s.transformToDisplayInverse;
-    mBufferInfo.mBufferSlot = mHwcSlotGenerator->getHwcCacheSlot(s.clientCacheId);
-}
-
-uint32_t BufferStateLayer::getEffectiveScalingMode() const {
-   return NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
-}
-
-Rect BufferStateLayer::computeBufferCrop(const State& s) {
-    if (s.buffer && !s.bufferCrop.isEmpty()) {
-        Rect bufferCrop;
-        s.buffer->getBounds().intersect(s.bufferCrop, &bufferCrop);
-        return bufferCrop;
-    } else if (s.buffer) {
-        return s.buffer->getBounds();
-    } else {
-        return s.bufferCrop;
-    }
-}
-
-sp<Layer> BufferStateLayer::createClone() {
-    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
-    args.textureName = mTextureName;
-    sp<BufferStateLayer> layer = mFlinger->getFactory().createBufferStateLayer(args);
-    layer->mHwcSlotGenerator = mHwcSlotGenerator;
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-bool BufferStateLayer::bufferNeedsFiltering() const {
-    const State& s(getDrawingState());
-    if (!s.buffer) {
-        return false;
-    }
-
-    int32_t bufferWidth = static_cast<int32_t>(s.buffer->getWidth());
-    int32_t bufferHeight = static_cast<int32_t>(s.buffer->getHeight());
-
-    // Undo any transformations on the buffer and return the result.
-    if (s.bufferTransform & ui::Transform::ROT_90) {
-        std::swap(bufferWidth, bufferHeight);
-    }
-
-    if (s.transformToDisplayInverse) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufferWidth, bufferHeight);
-        }
-    }
-
-    const Rect layerSize{getBounds()};
-    return layerSize.width() != bufferWidth || layerSize.height() != bufferHeight;
-}
-
-void BufferStateLayer::decrementPendingBufferCount() {
-    int32_t pendingBuffers = --mPendingBufferTransactions;
-    tracePendingBufferCount(pendingBuffers);
-}
-
-void BufferStateLayer::tracePendingBufferCount(int32_t pendingBuffers) {
-    ATRACE_INT(mBlastTransactionName.c_str(), pendingBuffers);
-}
-
-
-/*
- * We don't want to send the layer's transform to input, but rather the
- * parent's transform. This is because BufferStateLayer's transform is
- * information about how the buffer is placed on screen. The parent's
- * transform makes more sense to send since it's information about how the
- * layer is placed on screen. This transform is used by input to determine
- * how to go from screen space back to window space.
- */
-ui::Transform BufferStateLayer::getInputTransform() const {
-    sp<Layer> parent = mDrawingParent.promote();
-    if (parent == nullptr) {
-        return ui::Transform();
-    }
-
-    return parent->getTransform();
-}
-
-/**
- * Similar to getInputTransform, we need to update the bounds to include the transform.
- * This is because bounds for BSL doesn't include buffer transform, where the input assumes
- * that's already included.
- */
-Rect BufferStateLayer::getInputBounds() const {
-    Rect bufferBounds = getCroppedBufferSize(getDrawingState());
-    if (mDrawingState.transform.getType() == ui::Transform::IDENTITY || !bufferBounds.isValid()) {
-        return bufferBounds;
-    }
-    return mDrawingState.transform.transform(bufferBounds);
-}
-
-bool BufferStateLayer::simpleBufferUpdate(const layer_state_t& s) const {
-    const uint64_t requiredFlags = layer_state_t::eBufferChanged;
-
-    const uint64_t deniedFlags = layer_state_t::eProducerDisconnect | layer_state_t::eLayerChanged |
-            layer_state_t::eRelativeLayerChanged | layer_state_t::eTransparentRegionChanged |
-            layer_state_t::eFlagsChanged | layer_state_t::eBlurRegionsChanged |
-            layer_state_t::eLayerStackChanged | layer_state_t::eAutoRefreshChanged |
-            layer_state_t::eReparent;
-
-    const uint64_t allowedFlags = layer_state_t::eHasListenerCallbacksChanged |
-            layer_state_t::eFrameRateSelectionPriority | layer_state_t::eFrameRateChanged |
-            layer_state_t::eSurfaceDamageRegionChanged | layer_state_t::eApiChanged |
-            layer_state_t::eMetadataChanged | layer_state_t::eDropInputModeChanged |
-            layer_state_t::eInputInfoChanged;
-
-    if ((s.what & requiredFlags) != requiredFlags) {
-        ALOGV("%s: false [missing required flags 0x%" PRIx64 "]", __func__,
-              (s.what | requiredFlags) & ~s.what);
-        return false;
-    }
-
-    if (s.what & deniedFlags) {
-        ALOGV("%s: false [has denied flags 0x%" PRIx64 "]", __func__, s.what & deniedFlags);
-        return false;
-    }
-
-    if (s.what & allowedFlags) {
-        ALOGV("%s: [has allowed flags 0x%" PRIx64 "]", __func__, s.what & allowedFlags);
-    }
-
-    if (s.what & layer_state_t::ePositionChanged) {
-        if (mRequestedTransform.tx() != s.x || mRequestedTransform.ty() != s.y) {
-            ALOGV("%s: false [ePositionChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eAlphaChanged) {
-        if (mDrawingState.color.a != s.alpha) {
-            ALOGV("%s: false [eAlphaChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eColorTransformChanged) {
-        if (mDrawingState.colorTransform != s.colorTransform) {
-            ALOGV("%s: false [eColorTransformChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBackgroundColorChanged) {
-        if (mDrawingState.bgColorLayer || s.bgColorAlpha != 0) {
-            ALOGV("%s: false [eBackgroundColorChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eMatrixChanged) {
-        if (mRequestedTransform.dsdx() != s.matrix.dsdx ||
-            mRequestedTransform.dtdy() != s.matrix.dtdy ||
-            mRequestedTransform.dtdx() != s.matrix.dtdx ||
-            mRequestedTransform.dsdy() != s.matrix.dsdy) {
-            ALOGV("%s: false [eMatrixChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eCornerRadiusChanged) {
-        if (mDrawingState.cornerRadius != s.cornerRadius) {
-            ALOGV("%s: false [eCornerRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBackgroundBlurRadiusChanged) {
-        if (mDrawingState.backgroundBlurRadius != static_cast<int>(s.backgroundBlurRadius)) {
-            ALOGV("%s: false [eBackgroundBlurRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTransformChanged) {
-        if (mDrawingState.bufferTransform != s.transform) {
-            ALOGV("%s: false [eTransformChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTransformToDisplayInverseChanged) {
-        if (mDrawingState.transformToDisplayInverse != s.transformToDisplayInverse) {
-            ALOGV("%s: false [eTransformToDisplayInverseChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eCropChanged) {
-        if (mDrawingState.crop != s.crop) {
-            ALOGV("%s: false [eCropChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDataspaceChanged) {
-        if (mDrawingState.dataspace != s.dataspace) {
-            ALOGV("%s: false [eDataspaceChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eHdrMetadataChanged) {
-        if (mDrawingState.hdrMetadata != s.hdrMetadata) {
-            ALOGV("%s: false [eHdrMetadataChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eSidebandStreamChanged) {
-        if (mDrawingState.sidebandStream != s.sidebandStream) {
-            ALOGV("%s: false [eSidebandStreamChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eColorSpaceAgnosticChanged) {
-        if (mDrawingState.colorSpaceAgnostic != s.colorSpaceAgnostic) {
-            ALOGV("%s: false [eColorSpaceAgnosticChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eShadowRadiusChanged) {
-        if (mDrawingState.shadowRadius != s.shadowRadius) {
-            ALOGV("%s: false [eShadowRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eFixedTransformHintChanged) {
-        if (mDrawingState.fixedTransformHint != s.fixedTransformHint) {
-            ALOGV("%s: false [eFixedTransformHintChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTrustedOverlayChanged) {
-        if (mDrawingState.isTrustedOverlay != s.isTrustedOverlay) {
-            ALOGV("%s: false [eTrustedOverlayChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eStretchChanged) {
-        StretchEffect temp = s.stretchEffect;
-        temp.sanitize();
-        if (mDrawingState.stretchEffect != temp) {
-            ALOGV("%s: false [eStretchChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBufferCropChanged) {
-        if (mDrawingState.bufferCrop != s.bufferCrop) {
-            ALOGV("%s: false [eBufferCropChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDestinationFrameChanged) {
-        if (mDrawingState.destinationFrame != s.destinationFrame) {
-            ALOGV("%s: false [eDestinationFrameChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDimmingEnabledChanged) {
-        if (mDrawingState.dimmingEnabled != s.dimmingEnabled) {
-            ALOGV("%s: false [eDimmingEnabledChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    ALOGV("%s: true", __func__);
-    return true;
-}
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
deleted file mode 100644
index 3f0dbe4039..0000000000
--- a/services/surfaceflinger/BufferStateLayer.h
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "BufferLayer.h"
-#include "Layer.h"
-
-#include <renderengine/Image.h>
-#include <renderengine/RenderEngine.h>
-#include <system/window.h>
-#include <utils/String8.h>
-
-#include <stack>
-
-namespace android {
-
-class SlotGenerationTest;
-
-class BufferStateLayer : public BufferLayer {
-public:
-    explicit BufferStateLayer(const LayerCreationArgs&);
-
-    ~BufferStateLayer() override;
-
-    // Implements Layer.
-    const char* getType() const override { return "BufferStateLayer"; }
-
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
-
-    void releasePendingBuffer(nsecs_t dequeueReadyTime) override;
-
-    void finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& glDoneFence,
-                                   const CompositorTiming& compositorTiming) override;
-
-    bool isBufferDue(nsecs_t /*expectedPresentTime*/) const override { return true; }
-
-    Region getActiveTransparentRegion(const Layer::State& s) const override {
-        return s.transparentRegionHint;
-    }
-    Rect getCrop(const Layer::State& s) const;
-
-    bool setTransform(uint32_t transform) override;
-    bool setTransformToDisplayInverse(bool transformToDisplayInverse) override;
-    bool setCrop(const Rect& crop) override;
-    bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
-                   const BufferData& bufferData, nsecs_t postTime, nsecs_t desiredPresentTime,
-                   bool isAutoTimestamp, std::optional<nsecs_t> dequeueTime,
-                   const FrameTimelineInfo& info) override;
-    bool setDataspace(ui::Dataspace dataspace) override;
-    bool setHdrMetadata(const HdrMetadata& hdrMetadata) override;
-    bool setSurfaceDamageRegion(const Region& surfaceDamage) override;
-    bool setApi(int32_t api) override;
-    bool setSidebandStream(const sp<NativeHandle>& sidebandStream) override;
-    bool setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) override;
-    bool setPosition(float /*x*/, float /*y*/) override;
-    bool setMatrix(const layer_state_t::matrix22_t& /*matrix*/);
-
-    // Override to ignore legacy layer state properties that are not used by BufferStateLayer
-    bool setSize(uint32_t /*w*/, uint32_t /*h*/) override { return false; }
-    bool setTransparentRegionHint(const Region& transparent) override;
-
-    Rect getBufferSize(const State& s) const override;
-    FloatRect computeSourceBounds(const FloatRect& parentBounds) const override;
-    void setAutoRefresh(bool autoRefresh) override;
-
-    bool setBufferCrop(const Rect& bufferCrop) override;
-    bool setDestinationFrame(const Rect& destinationFrame) override;
-    bool updateGeometry() override;
-
-    // -----------------------------------------------------------------------
-
-    // -----------------------------------------------------------------------
-    // Interface implementation for BufferLayer
-    // -----------------------------------------------------------------------
-    bool fenceHasSignaled() const override;
-    bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
-    bool onPreComposition(nsecs_t refreshStartTime) override;
-    uint32_t getEffectiveScalingMode() const override;
-
-    // See mPendingBufferTransactions
-    void decrementPendingBufferCount();
-    std::atomic<int32_t>* getPendingBufferCounter() override { return &mPendingBufferTransactions; }
-    std::string getPendingBufferCounterName() override { return mBlastTransactionName; }
-
-    bool shouldPresentNow(nsecs_t /*expectedPresentTime*/) const override { return true; }
-
-protected:
-    void gatherBufferInfo() override;
-    void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame);
-    ui::Transform getInputTransform() const override;
-    Rect getInputBounds() const override;
-
-private:
-    friend class SlotGenerationTest;
-    friend class TransactionFrameTracerTest;
-    friend class TransactionSurfaceFrameTest;
-
-    inline void tracePendingBufferCount(int32_t pendingBuffers);
-
-    bool updateFrameEventHistory(const sp<Fence>& acquireFence, nsecs_t postedTime,
-                                 nsecs_t requestedPresentTime);
-
-    bool latchSidebandStream(bool& recomputeVisibleRegions) override;
-
-    bool hasFrameUpdate() const override;
-
-    status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                            nsecs_t expectedPresentTime) override;
-
-    status_t updateActiveBuffer() override;
-    status_t updateFrameNumber() override;
-
-    sp<Layer> createClone() override;
-
-    // Crop that applies to the buffer
-    Rect computeBufferCrop(const State& s);
-
-    bool willPresentCurrentTransaction() const;
-
-    bool bufferNeedsFiltering() const override;
-
-    bool simpleBufferUpdate(const layer_state_t& s) const override;
-
-    ReleaseCallbackId mPreviousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
-    uint64_t mPreviousReleasedFrameNumber = 0;
-
-    uint64_t mPreviousBarrierFrameNumber = 0;
-
-    bool mReleasePreviousBuffer = false;
-
-    // Stores the last set acquire fence signal time used to populate the callback handle's acquire
-    // time.
-    std::variant<nsecs_t, sp<Fence>> mCallbackHandleAcquireTimeOrFence = -1;
-
-    std::deque<std::shared_ptr<android::frametimeline::SurfaceFrame>> mPendingJankClassifications;
-    // An upper bound on the number of SurfaceFrames in the pending classifications deque.
-    static constexpr int kPendingClassificationMaxSurfaceFrames = 25;
-
-    const std::string mBlastTransactionName{"BufferTX - " + mName};
-    // This integer is incremented everytime a buffer arrives at the server for this layer,
-    // and decremented when a buffer is dropped or latched. When changed the integer is exported
-    // to systrace with ATRACE_INT and mBlastTransactionName. This way when debugging perf it is
-    // possible to see when a buffer arrived at the server, and in which frame it latched.
-    //
-    // You can understand the trace this way:
-    //     - If the integer increases, a buffer arrived at the server.
-    //     - If the integer decreases in latchBuffer, that buffer was latched
-    //     - If the integer decreases in setBuffer or doTransaction, a buffer was dropped
-    std::atomic<int32_t> mPendingBufferTransactions{0};
-
-    // Contains requested position and matrix updates. This will be applied if the client does
-    // not specify a destination frame.
-    ui::Transform mRequestedTransform;
-
-    // TODO(marissaw): support sticky transform for LEGACY camera mode
-
-    class HwcSlotGenerator : public ClientCache::ErasedRecipient {
-    public:
-        HwcSlotGenerator() {
-            for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-                mFreeHwcCacheSlots.push(i);
-            }
-        }
-
-        void bufferErased(const client_cache_t& clientCacheId);
-
-        int getHwcCacheSlot(const client_cache_t& clientCacheId);
-
-    private:
-        friend class SlotGenerationTest;
-        int addCachedBuffer(const client_cache_t& clientCacheId) REQUIRES(mMutex);
-        int getFreeHwcCacheSlot() REQUIRES(mMutex);
-        void evictLeastRecentlyUsed() REQUIRES(mMutex);
-        void eraseBufferLocked(const client_cache_t& clientCacheId) REQUIRES(mMutex);
-
-        struct CachedBufferHash {
-            std::size_t operator()(const client_cache_t& clientCacheId) const {
-                return std::hash<uint64_t>{}(clientCacheId.id);
-            }
-        };
-
-        std::mutex mMutex;
-
-        std::unordered_map<client_cache_t, std::pair<int /*HwcCacheSlot*/, uint64_t /*counter*/>,
-                           CachedBufferHash>
-                mCachedBuffers GUARDED_BY(mMutex);
-        std::stack<int /*HwcCacheSlot*/> mFreeHwcCacheSlots GUARDED_BY(mMutex);
-
-        // The cache increments this counter value when a slot is updated or used.
-        // Used to track the least recently-used buffer
-        uint64_t mCounter = 0;
-    };
-
-    sp<HwcSlotGenerator> mHwcSlotGenerator;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/Client.cpp b/services/surfaceflinger/Client.cpp
index 6d7b732b36..bdbc79b8e1 100644
--- a/services/surfaceflinger/Client.cpp
+++ b/services/surfaceflinger/Client.cpp
@@ -21,12 +21,18 @@
 
 #include <private/android_filesystem_config.h>
 
+#include <gui/AidlStatusUtil.h>
+
 #include "Client.h"
+#include "FrontEnd/LayerCreationArgs.h"
+#include "FrontEnd/LayerHandle.h"
 #include "Layer.h"
 #include "SurfaceFlinger.h"
 
 namespace android {
 
+using gui::aidl_utils::binderStatusFromStatusT;
+
 // ---------------------------------------------------------------------------
 
 const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
@@ -42,82 +48,73 @@ status_t Client::initCheck() const {
     return NO_ERROR;
 }
 
-void Client::attachLayer(const sp<IBinder>& handle, const sp<Layer>& layer)
-{
-    Mutex::Autolock _l(mLock);
-    mLayers.add(handle, layer);
-}
-
-void Client::detachLayer(const Layer* layer)
-{
-    Mutex::Autolock _l(mLock);
-    // we do a linear search here, because this doesn't happen often
-    const size_t count = mLayers.size();
-    for (size_t i=0 ; i<count ; i++) {
-        if (mLayers.valueAt(i) == layer) {
-            mLayers.removeItemsAt(i, 1);
-            break;
-        }
-    }
-}
-sp<Layer> Client::getLayerUser(const sp<IBinder>& handle) const
-{
-    Mutex::Autolock _l(mLock);
-    sp<Layer> lbc;
-    wp<Layer> layer(mLayers.valueFor(handle));
-    if (layer != 0) {
-        lbc = layer.promote();
-        ALOGE_IF(lbc==0, "getLayerUser(name=%p) is dead", handle.get());
-    }
-    return lbc;
-}
-
-status_t Client::createSurface(const String8& name, uint32_t /* w */, uint32_t /* h */,
-                               PixelFormat /* format */, uint32_t flags,
-                               const sp<IBinder>& parentHandle, LayerMetadata metadata,
-                               sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* /* gbp */,
-                               int32_t* outLayerId, uint32_t* outTransformHint) {
+binder::Status Client::createSurface(const std::string& name, int32_t flags,
+                                     const sp<IBinder>& parent, const gui::LayerMetadata& metadata,
+                                     gui::CreateSurfaceResult* outResult) {
     // We rely on createLayer to check permissions.
-    LayerCreationArgs args(mFlinger.get(), this, name.c_str(), flags, std::move(metadata));
-    return mFlinger->createLayer(args, outHandle, parentHandle, outLayerId, nullptr,
-                                 outTransformHint);
+    sp<IBinder> handle;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this), name.c_str(),
+                           static_cast<uint32_t>(flags), std::move(metadata));
+    args.parentHandle = parent;
+    const status_t status = mFlinger->createLayer(args, *outResult);
+    return binderStatusFromStatusT(status);
 }
 
-status_t Client::createWithSurfaceParent(const String8& /* name */, uint32_t /* w */,
-                                         uint32_t /* h */, PixelFormat /* format */,
-                                         uint32_t /* flags */,
-                                         const sp<IGraphicBufferProducer>& /* parent */,
-                                         LayerMetadata /* metadata */, sp<IBinder>* /* handle */,
-                                         sp<IGraphicBufferProducer>* /* gbp */,
-                                         int32_t* /* outLayerId */,
-                                         uint32_t* /* outTransformHint */) {
-    // This api does not make sense with blast since SF no longer tracks IGBP. This api should be
-    // removed.
-    return BAD_VALUE;
-}
-
-status_t Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                               int32_t* outLayerId) {
-    LayerCreationArgs args(mFlinger.get(), this, "MirrorRoot", 0 /* flags */, LayerMetadata());
-    return mFlinger->mirrorLayer(args, mirrorFromHandle, outHandle, outLayerId);
-}
-
-status_t Client::clearLayerFrameStats(const sp<IBinder>& handle) const {
-    sp<Layer> layer = getLayerUser(handle);
+binder::Status Client::clearLayerFrameStats(const sp<IBinder>& handle) {
+    status_t status;
+    sp<Layer> layer = LayerHandle::getLayer(handle);
     if (layer == nullptr) {
-        return NAME_NOT_FOUND;
+        status = NAME_NOT_FOUND;
+    } else {
+        layer->clearFrameStats();
+        status = NO_ERROR;
     }
-    layer->clearFrameStats();
-    return NO_ERROR;
+    return binderStatusFromStatusT(status);
 }
 
-status_t Client::getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
-    sp<Layer> layer = getLayerUser(handle);
+binder::Status Client::getLayerFrameStats(const sp<IBinder>& handle, gui::FrameStats* outStats) {
+    status_t status;
+    sp<Layer> layer = LayerHandle::getLayer(handle);
     if (layer == nullptr) {
-        return NAME_NOT_FOUND;
+        status = NAME_NOT_FOUND;
+    } else {
+        FrameStats stats;
+        layer->getFrameStats(&stats);
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.reserve(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.push_back(t);
+        }
+        outStats->actualPresentTimesNano.reserve(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.push_back(t);
+        }
+        outStats->frameReadyTimesNano.reserve(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.push_back(t);
+        }
+        status = NO_ERROR;
     }
-    layer->getFrameStats(outStats);
-    return NO_ERROR;
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle,
+                                     gui::CreateSurfaceResult* outResult) {
+    sp<IBinder> handle;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this), "MirrorRoot",
+                           0 /* flags */, gui::LayerMetadata());
+    status_t status = mFlinger->mirrorLayer(args, mirrorFromHandle, *outResult);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status Client::mirrorDisplay(int64_t displayId, gui::CreateSurfaceResult* outResult) {
+    sp<IBinder> handle;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this),
+                           "MirrorRoot-" + std::to_string(displayId), 0 /* flags */,
+                           gui::LayerMetadata());
+    std::optional<DisplayId> id = DisplayId::fromValue(static_cast<uint64_t>(displayId));
+    status_t status = mFlinger->mirrorDisplay(*id, args, *outResult);
+    return binderStatusFromStatusT(status);
 }
 
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/Client.h b/services/surfaceflinger/Client.h
index 15cd763822..af410ea19c 100644
--- a/services/surfaceflinger/Client.h
+++ b/services/surfaceflinger/Client.h
@@ -24,55 +24,40 @@
 #include <utils/KeyedVector.h>
 #include <utils/Mutex.h>
 
-#include <gui/ISurfaceComposerClient.h>
+#include <android/gui/BnSurfaceComposerClient.h>
 
 namespace android {
 
 class Layer;
 class SurfaceFlinger;
 
-class Client : public BnSurfaceComposerClient
-{
+class Client : public gui::BnSurfaceComposerClient {
 public:
     explicit Client(const sp<SurfaceFlinger>& flinger);
     ~Client() = default;
 
     status_t initCheck() const;
 
-    // protected by SurfaceFlinger::mStateLock
-    void attachLayer(const sp<IBinder>& handle, const sp<Layer>& layer);
-    void detachLayer(const Layer* layer);
-
-    sp<Layer> getLayerUser(const sp<IBinder>& handle) const;
-
 private:
     // ISurfaceComposerClient interface
-    virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
-                                   uint32_t flags, const sp<IBinder>& parent,
-                                   LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                   uint32_t* outTransformHint = nullptr);
 
-    virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
-                                             PixelFormat format, uint32_t flags,
-                                             const sp<IGraphicBufferProducer>& parent,
-                                             LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                             uint32_t* outTransformHint = nullptr);
+    binder::Status createSurface(const std::string& name, int32_t flags, const sp<IBinder>& parent,
+                                 const gui::LayerMetadata& metadata,
+                                 gui::CreateSurfaceResult* outResult) override;
 
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* handle,
-                           int32_t* outLayerId);
+    binder::Status clearLayerFrameStats(const sp<IBinder>& handle) override;
 
-    virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const;
+    binder::Status getLayerFrameStats(const sp<IBinder>& handle,
+                                      gui::FrameStats* outStats) override;
 
-    virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const;
+    binder::Status mirrorSurface(const sp<IBinder>& mirrorFromHandle,
+                                 gui::CreateSurfaceResult* outResult) override;
+
+    binder::Status mirrorDisplay(int64_t displayId, gui::CreateSurfaceResult* outResult) override;
 
     // constant
     sp<SurfaceFlinger> mFlinger;
 
-    // protected by mLock
-    DefaultKeyedVector< wp<IBinder>, wp<Layer> > mLayers;
-
     // thread-safe
     mutable Mutex mLock;
 };
diff --git a/services/surfaceflinger/ClientCache.cpp b/services/surfaceflinger/ClientCache.cpp
index 3c7b9d93aa..09e41ffede 100644
--- a/services/surfaceflinger/ClientCache.cpp
+++ b/services/surfaceflinger/ClientCache.cpp
@@ -22,6 +22,7 @@
 #include <cinttypes>
 
 #include <android-base/stringprintf.h>
+#include <gui/TraceUtils.h>
 #include <renderengine/impl/ExternalTexture.h>
 
 #include "ClientCache.h"
@@ -30,18 +31,18 @@ namespace android {
 
 ANDROID_SINGLETON_STATIC_INSTANCE(ClientCache);
 
-ClientCache::ClientCache() : mDeathRecipient(new CacheDeathRecipient) {}
+ClientCache::ClientCache() : mDeathRecipient(sp<CacheDeathRecipient>::make()) {}
 
 bool ClientCache::getBuffer(const client_cache_t& cacheId,
                             ClientCacheBuffer** outClientCacheBuffer) {
     auto& [processToken, id] = cacheId;
     if (processToken == nullptr) {
-        ALOGE("failed to get buffer, invalid (nullptr) process token");
+        ALOGE_AND_TRACE("ClientCache::getBuffer - invalid (nullptr) process token");
         return false;
     }
     auto it = mBuffers.find(processToken);
     if (it == mBuffers.end()) {
-        ALOGE("failed to get buffer, invalid process token");
+        ALOGE_AND_TRACE("ClientCache::getBuffer - invalid process token");
         return false;
     }
 
@@ -49,7 +50,7 @@ bool ClientCache::getBuffer(const client_cache_t& cacheId,
 
     auto bufItr = processBuffers.find(id);
     if (bufItr == processBuffers.end()) {
-        ALOGV("failed to get buffer, invalid buffer id");
+        ALOGE_AND_TRACE("ClientCache::getBuffer - invalid buffer id");
         return false;
     }
 
@@ -58,16 +59,17 @@ bool ClientCache::getBuffer(const client_cache_t& cacheId,
     return true;
 }
 
-bool ClientCache::add(const client_cache_t& cacheId, const sp<GraphicBuffer>& buffer) {
+base::expected<std::shared_ptr<renderengine::ExternalTexture>, ClientCache::AddError>
+ClientCache::add(const client_cache_t& cacheId, const sp<GraphicBuffer>& buffer) {
     auto& [processToken, id] = cacheId;
     if (processToken == nullptr) {
-        ALOGE("failed to cache buffer: invalid process token");
-        return false;
+        ALOGE_AND_TRACE("ClientCache::add - invalid (nullptr) process token");
+        return base::unexpected(AddError::Unspecified);
     }
 
     if (!buffer) {
-        ALOGE("failed to cache buffer: invalid buffer");
-        return false;
+        ALOGE_AND_TRACE("ClientCache::add - invalid (nullptr) buffer");
+        return base::unexpected(AddError::Unspecified);
     }
 
     std::lock_guard lock(mMutex);
@@ -79,16 +81,16 @@ bool ClientCache::add(const client_cache_t& cacheId, const sp<GraphicBuffer>& bu
     if (it == mBuffers.end()) {
         token = processToken.promote();
         if (!token) {
-            ALOGE("failed to cache buffer: invalid token");
-            return false;
+            ALOGE_AND_TRACE("ClientCache::add - invalid token");
+            return base::unexpected(AddError::Unspecified);
         }
 
         // Only call linkToDeath if not a local binder
         if (token->localBinder() == nullptr) {
             status_t err = token->linkToDeath(mDeathRecipient);
             if (err != NO_ERROR) {
-                ALOGE("failed to cache buffer: could not link to death");
-                return false;
+                ALOGE_AND_TRACE("ClientCache::add - could not link to death");
+                return base::unexpected(AddError::Unspecified);
             }
         }
         auto [itr, success] =
@@ -102,21 +104,22 @@ bool ClientCache::add(const client_cache_t& cacheId, const sp<GraphicBuffer>& bu
     auto& processBuffers = it->second.second;
 
     if (processBuffers.size() > BUFFER_CACHE_MAX_SIZE) {
-        ALOGE("failed to cache buffer: cache is full");
-        return false;
+        ALOGE_AND_TRACE("ClientCache::add - cache is full");
+        return base::unexpected(AddError::CacheFull);
     }
 
     LOG_ALWAYS_FATAL_IF(mRenderEngine == nullptr,
                         "Attempted to build the ClientCache before a RenderEngine instance was "
                         "ready!");
-    processBuffers[id].buffer = std::make_shared<
-            renderengine::impl::ExternalTexture>(buffer, *mRenderEngine,
-                                                 renderengine::impl::ExternalTexture::Usage::
-                                                         READABLE);
-    return true;
+
+    return (processBuffers[id].buffer = std::make_shared<
+                    renderengine::impl::ExternalTexture>(buffer, *mRenderEngine,
+                                                         renderengine::impl::ExternalTexture::
+                                                                 Usage::READABLE));
 }
 
-void ClientCache::erase(const client_cache_t& cacheId) {
+sp<GraphicBuffer> ClientCache::erase(const client_cache_t& cacheId) {
+    sp<GraphicBuffer> buffer;
     auto& [processToken, id] = cacheId;
     std::vector<sp<ErasedRecipient>> pendingErase;
     {
@@ -124,9 +127,11 @@ void ClientCache::erase(const client_cache_t& cacheId) {
         ClientCacheBuffer* buf = nullptr;
         if (!getBuffer(cacheId, &buf)) {
             ALOGE("failed to erase buffer, could not retrieve buffer");
-            return;
+            return nullptr;
         }
 
+        buffer = buf->buffer->getBuffer();
+
         for (auto& recipient : buf->recipients) {
             sp<ErasedRecipient> erasedRecipient = recipient.promote();
             if (erasedRecipient) {
@@ -140,6 +145,7 @@ void ClientCache::erase(const client_cache_t& cacheId) {
     for (auto& recipient : pendingErase) {
         recipient->bufferErased(cacheId);
     }
+    return buffer;
 }
 
 std::shared_ptr<renderengine::ExternalTexture> ClientCache::get(const client_cache_t& cacheId) {
diff --git a/services/surfaceflinger/ClientCache.h b/services/surfaceflinger/ClientCache.h
index a9b8177d70..b56b252d9f 100644
--- a/services/surfaceflinger/ClientCache.h
+++ b/services/surfaceflinger/ClientCache.h
@@ -33,12 +33,27 @@
 
 namespace android {
 
+// This class manages a cache of buffer handles between SurfaceFlinger clients
+// and the SurfaceFlinger process which optimizes away some of the cost of
+// sending buffer handles across processes.
+//
+// Buffers are explicitly cached and uncached by the SurfaceFlinger client. When
+// a buffer is uncached, it is not only purged from this cache, but the buffer
+// ID is also passed down to CompositionEngine to purge it from a similar cache
+// used between SurfaceFlinger and Composer HAL. The buffer ID used to purge
+// both the SurfaceFlinger side of this other cache, as well as Composer HAL's
+// side of the cache.
+//
 class ClientCache : public Singleton<ClientCache> {
 public:
     ClientCache();
 
-    bool add(const client_cache_t& cacheId, const sp<GraphicBuffer>& buffer);
-    void erase(const client_cache_t& cacheId);
+    enum class AddError { CacheFull, Unspecified };
+
+    base::expected<std::shared_ptr<renderengine::ExternalTexture>, AddError> add(
+            const client_cache_t& cacheId, const sp<GraphicBuffer>& buffer);
+
+    sp<GraphicBuffer> erase(const client_cache_t& cacheId);
 
     std::shared_ptr<renderengine::ExternalTexture> get(const client_cache_t& cacheId);
 
diff --git a/services/surfaceflinger/CompositionEngine/Android.bp b/services/surfaceflinger/CompositionEngine/Android.bp
index 11a9e19db8..30d34a581b 100644
--- a/services/surfaceflinger/CompositionEngine/Android.bp
+++ b/services/surfaceflinger/CompositionEngine/Android.bp
@@ -9,7 +9,10 @@ package {
 
 cc_defaults {
     name: "libcompositionengine_defaults",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
+        "surfaceflinger_defaults",
+    ],
     cflags: [
         "-DLOG_TAG=\"CompositionEngine\"",
         "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
@@ -20,10 +23,9 @@ cc_defaults {
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.3",
-        "android.hardware.power-V2-cpp",
+        "android.hardware.power-V4-cpp",
         "libbase",
         "libcutils",
         "libgui",
@@ -40,7 +42,6 @@ cc_defaults {
         "libmath",
         "librenderengine",
         "libtonemap",
-        "libtrace_proto",
         "libaidlcommonsupport",
         "libprocessgroup",
         "libcgrouprc",
@@ -139,6 +140,11 @@ cc_test {
         "libgmock",
         "libgtest",
     ],
+    // For some reason, libvulkan isn't picked up from librenderengine
+    // Probably ASAN related?
+    shared_libs: [
+        "libvulkan",
+    ],
     sanitize: {
         // By using the address sanitizer, we not only uncover any issues
         // with the test, but also any issues with the code under test.
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
index 3faa068c03..7c10fa57ec 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
@@ -18,9 +18,10 @@
 
 #include <TimeStats/TimeStats.h>
 #include <utils/Timers.h>
-
 #include <memory>
 
+#include "Feature.h"
+
 namespace android {
 
 class HWComposer;
@@ -55,9 +56,9 @@ public:
     virtual void setHwComposer(std::unique_ptr<HWComposer>) = 0;
 
     virtual renderengine::RenderEngine& getRenderEngine() const = 0;
-    virtual void setRenderEngine(std::unique_ptr<renderengine::RenderEngine>) = 0;
+    virtual void setRenderEngine(renderengine::RenderEngine*) = 0;
 
-    virtual TimeStats& getTimeStats() const = 0;
+    virtual TimeStats* getTimeStats() const = 0;
     virtual void setTimeStats(const std::shared_ptr<TimeStats>&) = 0;
 
     virtual bool needsAnotherUpdate() const = 0;
@@ -72,6 +73,8 @@ public:
     // TODO(b/121291683): These will become private/internal
     virtual void preComposition(CompositionRefreshArgs&) = 0;
 
+    virtual FeatureFlags getFeatureFlags() const = 0;
+
     // Debugging
     virtual void dump(std::string&) const = 0;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
index f201751d59..415a04113c 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
@@ -32,6 +32,11 @@ namespace android::compositionengine {
 using Layers = std::vector<sp<compositionengine::LayerFE>>;
 using Outputs = std::vector<std::shared_ptr<compositionengine::Output>>;
 
+struct BorderRenderInfo {
+    float width = 0;
+    half4 color;
+    std::vector<int32_t> layerIds;
+};
 /**
  * A parameter object for refreshing a set of outputs
  */
@@ -47,6 +52,9 @@ struct CompositionRefreshArgs {
     // All the layers that have queued updates.
     Layers layersWithQueuedFrames;
 
+    // All graphic buffers that will no longer be used and should be removed from caches.
+    std::vector<uint64_t> bufferIdsToUncache;
+
     // Controls how the color mode is chosen for an output
     OutputColorSetting outputColorSetting{OutputColorSetting::kEnhanced};
 
@@ -90,6 +98,8 @@ struct CompositionRefreshArgs {
 
     // If set, a frame has been scheduled for that time.
     std::optional<std::chrono::steady_clock::time_point> scheduledFrameTime;
+
+    std::vector<BorderRenderInfo> borderInfoList;
 };
 
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/TestUtils.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Feature.h
index c80fde6ead..ee8000ae18 100644
--- a/services/surfaceflinger/CompositionEngine/tests/TestUtils.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Feature.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 The Android Open Source Project
+ * Copyright 2019 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,19 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #pragma once
 
-#include <future>
+#include <ftl/flags.h>
+#include <cstdint>
 
 namespace android::compositionengine {
-namespace {
 
-template <class T>
-std::future<T> futureOf(T obj) {
-    std::promise<T> resultPromise;
-    std::future<T> resultFuture = resultPromise.get_future();
-    resultPromise.set_value(std::move(obj));
-    return resultFuture;
-}
-} // namespace
-} // namespace android::compositionengine
+enum class Feature : int32_t {
+    kSnapshotLayerMetadata = 1 << 0,
+};
+
+using FeatureFlags = ftl::Flags<Feature>;
+
+} // namespace android::compositionengine
\ No newline at end of file
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
index ec610c1b1d..608c53a21a 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
@@ -20,8 +20,6 @@
 #include <ostream>
 #include <unordered_set>
 
-#include <compositionengine/FenceResult.h>
-
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
@@ -33,6 +31,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 #include <ftl/future.h>
+#include <ui/FenceResult.h>
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
@@ -40,6 +39,10 @@ namespace android {
 
 class Fence;
 
+namespace gui {
+struct LayerMetadata;
+}
+
 namespace compositionengine {
 
 struct LayerFECompositionState;
@@ -54,31 +57,8 @@ public:
     // Called before composition starts. Should return true if this layer has
     // pending updates which would require an extra display refresh cycle to
     // process.
-    virtual bool onPreComposition(nsecs_t refreshStartTime) = 0;
-
-    // Used with latchCompositionState()
-    enum class StateSubset {
-        // Gets the basic geometry (bounds, transparent region, visibility,
-        // transforms, alpha) for the layer, for computing visibility and
-        // coverage.
-        BasicGeometry,
-
-        // Gets the full geometry (crops, buffer transforms, metadata) and
-        // content (buffer or color) state for the layer.
-        GeometryAndContent,
-
-        // Gets the per frame content (buffer or color) state for the layer.
-        Content,
-
-        // Gets the cursor state for the layer.
-        Cursor,
-    };
-
-    // Prepares the output-independent composition state for the layer. The
-    // StateSubset argument selects what portion of the state is actually needed
-    // by the CompositionEngine code, since computing everything may be
-    // expensive.
-    virtual void prepareCompositionState(StateSubset) = 0;
+    virtual bool onPreComposition(nsecs_t refreshStartTime,
+                                  bool updatingOutputGeometryThisFrame) = 0;
 
     struct ClientCompositionTargetSettings {
         enum class BlurSetting {
@@ -138,6 +118,9 @@ public:
 
         // Requested white point of the layer in nits
         const float whitePointNits;
+
+        // True if layers with 170M dataspace should be overridden to sRGB.
+        const bool treat170mAsSrgb;
     };
 
     // A superset of LayerSettings required by RenderEngine to compose a layer
@@ -150,11 +133,11 @@ public:
         uint64_t frameNumber = 0;
     };
 
-    // Returns the z-ordered list of LayerSettings to pass to RenderEngine::drawLayers. The list
-    // may contain shadows casted by the layer or the content of the layer itself.  If the layer
-    // does not render then an empty list will be returned.
-    virtual std::vector<LayerSettings> prepareClientCompositionList(
-            ClientCompositionTargetSettings&) = 0;
+    // Returns the LayerSettings to pass to RenderEngine::drawLayers. The state may contain shadows
+    // casted by the layer or the content of the layer itself. If the layer does not render then an
+    // empty optional will be returned.
+    virtual std::optional<LayerSettings> prepareClientComposition(
+            ClientCompositionTargetSettings&) const = 0;
 
     // Called after the layer is displayed to update the presentation fence
     virtual void onLayerDisplayed(ftl::SharedFuture<FenceResult>) = 0;
@@ -168,6 +151,8 @@ public:
     // Whether the layer should be rendered with rounded corners.
     virtual bool hasRoundedCorners() const = 0;
     virtual void setWasClientComposed(const sp<Fence>&) {}
+    virtual const gui::LayerMetadata* getMetadata() const = 0;
+    virtual const gui::LayerMetadata* getRelativeMetadata() const = 0;
 };
 
 // TODO(b/121291683): Specialize std::hash<> for sp<T> so these and others can
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
index 974f7c6134..ad98e93232 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
@@ -163,7 +163,6 @@ struct LayerFECompositionState {
 
     // The buffer and related state
     sp<GraphicBuffer> buffer;
-    int bufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
     sp<Fence> acquireFence = Fence::NO_FENCE;
     Region surfaceDamage;
     uint64_t frameNumber = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
index 2203639b1a..bd43c897a0 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
@@ -23,6 +23,7 @@
 #include <type_traits>
 #include <unordered_map>
 #include <utility>
+#include <vector>
 
 #include <compositionengine/LayerFE.h>
 #include <renderengine/LayerSettings.h>
@@ -262,9 +263,6 @@ public:
     // Presents the output, finalizing all composition details
     virtual void present(const CompositionRefreshArgs&) = 0;
 
-    // Latches the front-end layer state for each output layer
-    virtual void updateLayerStateFromFE(const CompositionRefreshArgs&) const = 0;
-
     // Enables predicting composition strategy to run client composition earlier
     virtual void setPredictCompositionStrategy(bool) = 0;
 
@@ -275,6 +273,7 @@ protected:
     virtual void setDisplayColorProfile(std::unique_ptr<DisplayColorProfile>) = 0;
     virtual void setRenderSurface(std::unique_ptr<RenderSurface>) = 0;
 
+    virtual void uncacheBuffers(const std::vector<uint64_t>&) = 0;
     virtual void rebuildLayerStacks(const CompositionRefreshArgs&, LayerFESet&) = 0;
     virtual void collectVisibleLayers(const CompositionRefreshArgs&, CoverageState&) = 0;
     virtual void ensureOutputLayerIfVisible(sp<LayerFE>&, CoverageState&) = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
index bf5184e997..4dbf8d2fce 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
@@ -19,6 +19,7 @@
 #include <cstdint>
 #include <optional>
 #include <string>
+#include <vector>
 
 #include <ui/Transform.h>
 #include <utils/StrongPointer.h>
@@ -81,6 +82,10 @@ public:
     // TODO(lpique): Make this protected once it is only internally called.
     virtual CompositionState& editState() = 0;
 
+    // Clear the cache entries for a set of buffers that SurfaceFlinger no
+    // longer cares about.
+    virtual void uncacheBuffers(const std::vector<uint64_t>& bufferIdsToUncache) = 0;
+
     // Recalculates the state of the output layer from the output-independent
     // layer. If includeGeometry is false, the geometry state can be skipped.
     // internalDisplayRotationFlags must be set to the rotation flags for the
@@ -126,9 +131,9 @@ public:
     // Returns true if the composition settings scale pixels
     virtual bool needsFiltering() const = 0;
 
-    // Returns a composition list to be used by RenderEngine if the layer has been overridden
+    // Returns LayerSettings to be used by RenderEngine if the layer has been overridden
     // during the composition process
-    virtual std::vector<LayerFE::LayerSettings> getOverrideCompositionList() const = 0;
+    virtual std::optional<LayerFE::LayerSettings> getOverrideCompositionSettings() const = 0;
 
     // Debugging
     virtual void dump(std::string& result) const = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
index 9ee779cca1..585467456c 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
@@ -91,16 +91,9 @@ public:
     // Called after the HWC calls are made to present the display
     virtual void onPresentDisplayCompleted() = 0;
 
-    // Called after the surface has been rendering to signal the surface should
-    // be made ready for displaying
-    virtual void flip() = 0;
-
     // Debugging - Dumps the state of the RenderSurface to a string
     virtual void dump(std::string& result) const = 0;
 
-    // Debugging - gets the page flip count for the RenderSurface
-    virtual std::uint32_t getPageFlipCount() const = 0;
-
     // Returns true if the render surface supports client composition prediction.
     virtual bool supportsCompositionStrategyPrediction() const = 0;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
index 386808d714..c6995576a1 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
@@ -34,9 +34,9 @@ public:
     void setHwComposer(std::unique_ptr<HWComposer>) override;
 
     renderengine::RenderEngine& getRenderEngine() const override;
-    void setRenderEngine(std::unique_ptr<renderengine::RenderEngine>) override;
+    void setRenderEngine(renderengine::RenderEngine*) override;
 
-    TimeStats& getTimeStats() const override;
+    TimeStats* getTimeStats() const override;
     void setTimeStats(const std::shared_ptr<TimeStats>&) override;
 
     bool needsAnotherUpdate() const override;
@@ -48,17 +48,17 @@ public:
 
     void preComposition(CompositionRefreshArgs&) override;
 
+    FeatureFlags getFeatureFlags() const override;
+
     // Debugging
     void dump(std::string&) const override;
 
-    void updateLayerStateFromFE(CompositionRefreshArgs& args);
-
     // Testing
     void setNeedsAnotherUpdateForTest(bool);
 
 private:
     std::unique_ptr<HWComposer> mHwComposer;
-    std::unique_ptr<renderengine::RenderEngine> mRenderEngine;
+    renderengine::RenderEngine* mRenderEngine;
     std::shared_ptr<TimeStats> mTimeStats;
     bool mNeedsAnotherUpdate = false;
     nsecs_t mRefreshStartTime = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/HwcBufferCache.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/HwcBufferCache.h
index fd22aa3a2a..6e9ea6ffd8 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/HwcBufferCache.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/HwcBufferCache.h
@@ -17,7 +17,8 @@
 #pragma once
 
 #include <cstdint>
-#include <vector>
+#include <stack>
+#include <unordered_map>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -37,35 +38,76 @@ class GraphicBuffer;
 
 namespace compositionengine::impl {
 
-// With HIDLized hwcomposer HAL, the HAL can maintain a buffer cache for each
-// HWC display and layer.  When updating a display target or a layer buffer,
-// we have the option to send the buffer handle over or to request the HAL to
-// retrieve it from its cache.  The latter is cheaper since it eliminates the
-// overhead to transfer the handle over the trasport layer, and the overhead
-// for the HAL to clone and retain the handle.
+// The buffer cache returns both a slot and the buffer that should be sent to HWC. In cases
+// where the buffer is already cached, the buffer is a nullptr and will not be sent to HWC as
+// an optimization.
+struct HwcSlotAndBuffer {
+    uint32_t slot;
+    sp<GraphicBuffer> buffer;
+};
+
+//
+// Manages the slot assignments for a buffers stored in Composer HAL's cache.
+//
+// Cache slots are an optimization when communicating buffer handles to Composer
+// HAL. When updating a layer's buffer, we can either send a new buffer handle
+// along with it's slot assignment or request the HAL to reuse a buffer handle
+// that we've already sent by using the slot assignment. The latter is cheaper
+// since it eliminates the overhead to transfer the buffer handle over IPC and
+// the overhead for the HAL to clone the handle.
 //
-// To be able to find out whether a buffer is already in the HAL's cache, we
-// use HWComposerBufferCache to mirror the cache in SF.
 class HwcBufferCache {
+private:
+    static const constexpr size_t kMaxLayerBufferCount = BufferQueue::NUM_BUFFER_SLOTS;
+
 public:
+    // public for testing
+    // Override buffers don't use the normal cache slots because we don't want them to evict client
+    // buffers from the cache. We add an extra slot at the end for the override buffers.
+    static const constexpr size_t kOverrideBufferSlot = kMaxLayerBufferCount;
+
     HwcBufferCache();
-    // Given a buffer, return the HWC cache slot and
-    // buffer to be sent to HWC.
+
+    //
+    // Given a buffer, return the HWC cache slot and buffer to send to HWC.
+    //
+    // If the buffer is already in the cache, the buffer is null to optimize away sending HWC the
+    // buffer handle.
     //
-    // outBuffer is set to buffer when buffer is not in the HWC cache;
-    // otherwise, outBuffer is set to nullptr.
-    void getHwcBuffer(int slot, const sp<GraphicBuffer>& buffer, uint32_t* outSlot,
-                      sp<GraphicBuffer>* outBuffer);
+    HwcSlotAndBuffer getHwcSlotAndBuffer(const sp<GraphicBuffer>& buffer);
+    //
+    // Given a buffer, return the HWC cache slot and buffer to send to HWC.
+    //
+    // A special slot number is used for override buffers.
+    //
+    // If the buffer is already in the cache, the buffer is null to optimize away sending HWC the
+    // buffer handle.
+    //
+    HwcSlotAndBuffer getHwcSlotAndBufferForOverride(const sp<GraphicBuffer>& buffer);
 
-    // Special caching slot for the layer caching feature.
-    static const constexpr size_t FLATTENER_CACHING_SLOT = BufferQueue::NUM_BUFFER_SLOTS;
+    //
+    // When a client process discards a buffer, it needs to be purged from the HWC cache.
+    //
+    // Returns the slot number of the buffer, or UINT32_MAX if it wasn't found in the cache.
+    //
+    uint32_t uncache(uint64_t graphicBufferId);
 
 private:
-    // an array where the index corresponds to a slot and the value corresponds to a (counter,
-    // buffer) pair. "counter" is a unique value that indicates the last time this slot was updated
-    // or used and allows us to keep track of the least-recently used buffer.
-    static const constexpr size_t kMaxLayerBufferCount = BufferQueue::NUM_BUFFER_SLOTS + 1;
-    wp<GraphicBuffer> mBuffers[kMaxLayerBufferCount];
+    uint32_t cache(const sp<GraphicBuffer>& buffer);
+    uint32_t getLeastRecentlyUsedSlot();
+
+    struct Cache {
+        sp<GraphicBuffer> buffer;
+        uint32_t slot;
+        // Cache entries are evicted according to least-recently-used when more than
+        // kMaxLayerBufferCount unique buffers have been sent to a layer.
+        uint64_t lruCounter;
+    };
+
+    std::unordered_map<uint64_t, Cache> mCacheByBufferId;
+    sp<GraphicBuffer> mLastOverrideBuffer;
+    std::stack<uint32_t> mFreeSlots;
+    uint64_t mLeastRecentlyUsedCounter;
 };
 
 } // namespace compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index 428c19fe02..1393e29cc2 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -82,6 +82,7 @@ public:
     void prepare(const CompositionRefreshArgs&, LayerFESet&) override;
     void present(const CompositionRefreshArgs&) override;
 
+    void uncacheBuffers(const std::vector<uint64_t>& bufferIdsToUncache) override;
     void rebuildLayerStacks(const CompositionRefreshArgs&, LayerFESet&) override;
     void collectVisibleLayers(const CompositionRefreshArgs&,
                               compositionengine::Output::CoverageState&) override;
@@ -89,7 +90,6 @@ public:
                                     compositionengine::Output::CoverageState&) override;
     void setReleasedLayers(const compositionengine::CompositionRefreshArgs&) override;
 
-    void updateLayerStateFromFE(const CompositionRefreshArgs&) const override;
     void updateCompositionState(const compositionengine::CompositionRefreshArgs&) override;
     void planComposition() override;
     void writeCompositionState(const compositionengine::CompositionRefreshArgs&) override;
@@ -135,9 +135,11 @@ protected:
     void applyCompositionStrategy(const std::optional<DeviceRequestedChanges>&) override{};
     bool getSkipColorTransform() const override;
     compositionengine::Output::FrameFences presentAndGetFrameFences() override;
+    virtual renderengine::DisplaySettings generateClientCompositionDisplaySettings() const;
     std::vector<LayerFE::LayerSettings> generateClientCompositionRequests(
           bool supportsProtectedContent, ui::Dataspace outputDataspace,
           std::vector<LayerFE*> &outLayerFEs) override;
+    virtual bool layerNeedsFiltering(const OutputLayer*) const;
     void appendRegionFlashRequests(const Region&, std::vector<LayerFE::LayerSettings>&) override;
     void setExpensiveRenderingExpected(bool enabled) override;
     void setHintSessionGpuFence(std::unique_ptr<FenceTime>&& gpuFence) override;
@@ -154,8 +156,11 @@ protected:
 
     bool mustRecompose() const;
 
+    const std::string& getNamePlusId() const { return mNamePlusId; }
+
 private:
     void dirtyEntireOutput();
+    void updateCompositionStateForBorder(const compositionengine::CompositionRefreshArgs&);
     compositionengine::OutputLayer* findLayerRequestingBackgroundComposition() const;
     void finishPrepareFrame();
     ui::Dataspace getBestDataspace(ui::Dataspace*, bool*) const;
@@ -163,6 +168,7 @@ private:
             const compositionengine::CompositionRefreshArgs&) const;
 
     std::string mName;
+    std::string mNamePlusId;
 
     std::unique_ptr<compositionengine::DisplayColorProfile> mDisplayColorProfile;
     std::unique_ptr<compositionengine::RenderSurface> mRenderSurface;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index 7709b967b6..c29165210d 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -33,6 +33,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 #include <compositionengine/ProjectionSpace.h>
+#include <renderengine/BorderRenderInfo.h>
 #include <ui/LayerStack.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
@@ -164,6 +165,8 @@ struct OutputCompositionState {
 
     bool treat170mAsSrgb = false;
 
+    std::vector<renderengine::BorderRenderInfo> borderInfoList;
+
     uint64_t lastOutputLayerHash = 0;
     uint64_t outputLayerHash = 0;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
index ecd432f629..f383392e55 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
@@ -18,7 +18,9 @@
 
 #include <cstdint>
 #include <memory>
+#include <optional>
 #include <string>
+#include <vector>
 
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/OutputLayer.h>
@@ -43,6 +45,8 @@ public:
 
     void setHwcLayer(std::shared_ptr<HWC2::Layer>) override;
 
+    void uncacheBuffers(const std::vector<uint64_t>& bufferIdsToUncache) override;
+
     void updateCompositionState(bool includeGeometry, bool forceClientComposition,
                                 ui::Transform::RotationFlags) override;
     void writeStateToHWC(bool includeGeometry, bool skipLayer, uint32_t z, bool zIsOverridden,
@@ -57,7 +61,7 @@ public:
     void prepareForDeviceLayerRequests() override;
     void applyDeviceLayerRequest(Hwc2::IComposerClient::LayerRequest request) override;
     bool needsFiltering() const override;
-    std::vector<LayerFE::LayerSettings> getOverrideCompositionList() const override;
+    std::optional<LayerFE::LayerSettings> getOverrideCompositionSettings() const override;
 
     void dump(std::string&) const override;
     virtual FloatRect calculateOutputSourceCrop(uint32_t internalDisplayRotationFlags) const;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
index e4cb113645..1c14a43920 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
@@ -62,15 +62,12 @@ public:
             base::unique_fd* bufferFence) override;
     void queueBuffer(base::unique_fd readyFence) override;
     void onPresentDisplayCompleted() override;
-    void flip() override;
     bool supportsCompositionStrategyPrediction() const override;
 
     // Debugging
     void dump(std::string& result) const override;
-    std::uint32_t getPageFlipCount() const override;
 
     // Testing
-    void setPageFlipCountForTest(std::uint32_t);
     void setSizeForTest(const ui::Size&);
     std::shared_ptr<renderengine::ExternalTexture>& mutableTextureForTest();
     base::unique_fd& mutableBufferReadyForTest();
@@ -89,7 +86,6 @@ private:
     ui::Size mSize;
     const size_t mMaxTextureCacheSize;
     bool mProtected{false};
-    std::uint32_t mPageFlipCount{0};
 };
 
 std::unique_ptr<compositionengine::RenderSurface> createRenderSurface(
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
index 5aec7c2e88..e309442220 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/planner/LayerState.h
@@ -72,6 +72,7 @@ enum class LayerStateField : uint32_t {
     SolidColor            = 1u << 16,
     BackgroundBlurRadius  = 1u << 17,
     BlurRegions           = 1u << 18,
+    HasProtectedContent   = 1u << 19,
 };
 // clang-format on
 
@@ -245,9 +246,9 @@ public:
 
     ui::Dataspace getDataspace() const { return mOutputDataspace.get(); }
 
-    bool isProtected() const {
-        return getOutputLayer()->getLayerFE().getCompositionState()->hasProtectedContent;
-    }
+    wp<GraphicBuffer> getBuffer() const { return mBuffer.get(); }
+
+    bool isProtected() const { return mIsProtected.get(); }
 
     bool hasSolidColorCompositionType() const {
         return getOutputLayer()->getLayerFE().getCompositionState()->compositionType ==
@@ -482,7 +483,11 @@ private:
                                       return hash;
                                   }};
 
-    static const constexpr size_t kNumNonUniqueFields = 17;
+    OutputLayerState<bool, LayerStateField::HasProtectedContent> mIsProtected{[](auto layer) {
+        return layer->getLayerFE().getCompositionState()->hasProtectedContent;
+    }};
+
+    static const constexpr size_t kNumNonUniqueFields = 18;
 
     std::array<StateInterface*, kNumNonUniqueFields> getNonUniqueFields() {
         std::array<const StateInterface*, kNumNonUniqueFields> constFields =
@@ -501,7 +506,7 @@ private:
                 &mAlpha,        &mLayerMetadata,  &mVisibleRegion,        &mOutputDataspace,
                 &mPixelFormat,  &mColorTransform, &mCompositionType,      &mSidebandStream,
                 &mBuffer,       &mSolidColor,     &mBackgroundBlurRadius, &mBlurRegions,
-                &mFrameNumber,
+                &mFrameNumber,  &mIsProtected,
         };
     }
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
index f953d0b7d0..9b2387b966 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
@@ -40,9 +40,9 @@ public:
     MOCK_METHOD1(setHwComposer, void(std::unique_ptr<HWComposer>));
 
     MOCK_CONST_METHOD0(getRenderEngine, renderengine::RenderEngine&());
-    MOCK_METHOD1(setRenderEngine, void(std::unique_ptr<renderengine::RenderEngine>));
+    MOCK_METHOD1(setRenderEngine, void(renderengine::RenderEngine*));
 
-    MOCK_CONST_METHOD0(getTimeStats, TimeStats&());
+    MOCK_CONST_METHOD0(getTimeStats, TimeStats*());
     MOCK_METHOD1(setTimeStats, void(const std::shared_ptr<TimeStats>&));
 
     MOCK_CONST_METHOD0(needsAnotherUpdate, bool());
@@ -53,6 +53,8 @@ public:
 
     MOCK_METHOD1(preComposition, void(CompositionRefreshArgs&));
 
+    MOCK_CONST_METHOD0(getFeatureFlags, FeatureFlags());
+
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
index 1c5c10f823..14922a4e0d 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
@@ -42,18 +42,19 @@ public:
 
     MOCK_CONST_METHOD0(getCompositionState, const LayerFECompositionState*());
 
-    MOCK_METHOD1(onPreComposition, bool(nsecs_t));
+    MOCK_METHOD2(onPreComposition, bool(nsecs_t, bool));
 
-    MOCK_METHOD1(prepareCompositionState, void(compositionengine::LayerFE::StateSubset));
-    MOCK_METHOD1(prepareClientCompositionList,
-                 std::vector<compositionengine::LayerFE::LayerSettings>(
-                         compositionengine::LayerFE::ClientCompositionTargetSettings&));
+    MOCK_CONST_METHOD1(prepareClientComposition,
+                       std::optional<compositionengine::LayerFE::LayerSettings>(
+                               compositionengine::LayerFE::ClientCompositionTargetSettings&));
 
     MOCK_METHOD(void, onLayerDisplayed, (ftl::SharedFuture<FenceResult>), (override));
 
     MOCK_CONST_METHOD0(getDebugName, const char*());
     MOCK_CONST_METHOD0(getSequence, int32_t());
     MOCK_CONST_METHOD0(hasRoundedCorners, bool());
+    MOCK_CONST_METHOD0(getMetadata, gui::LayerMetadata*());
+    MOCK_CONST_METHOD0(getRelativeMetadata, gui::LayerMetadata*());
 };
 
 } // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
index 2a04949cff..18e6879bdb 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
@@ -82,6 +82,7 @@ public:
     MOCK_METHOD2(prepare, void(const compositionengine::CompositionRefreshArgs&, LayerFESet&));
     MOCK_METHOD1(present, void(const compositionengine::CompositionRefreshArgs&));
 
+    MOCK_METHOD1(uncacheBuffers, void(const std::vector<uint64_t>&));
     MOCK_METHOD2(rebuildLayerStacks,
                  void(const compositionengine::CompositionRefreshArgs&, LayerFESet&));
     MOCK_METHOD2(collectVisibleLayers,
@@ -91,7 +92,6 @@ public:
                  void(sp<compositionengine::LayerFE>&, compositionengine::Output::CoverageState&));
     MOCK_METHOD1(setReleasedLayers, void(const compositionengine::CompositionRefreshArgs&));
 
-    MOCK_CONST_METHOD1(updateLayerStateFromFE, void(const CompositionRefreshArgs&));
     MOCK_METHOD1(updateCompositionState, void(const CompositionRefreshArgs&));
     MOCK_METHOD0(planComposition, void());
     MOCK_METHOD1(writeCompositionState, void(const CompositionRefreshArgs&));
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
index a6cb811468..5fef63a510 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <optional>
+
 #include <compositionengine/CompositionEngine.h>
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/Output.h>
@@ -33,6 +35,8 @@ public:
 
     MOCK_METHOD1(setHwcLayer, void(std::shared_ptr<HWC2::Layer>));
 
+    MOCK_METHOD1(uncacheBuffers, void(const std::vector<uint64_t>&));
+
     MOCK_CONST_METHOD0(getOutput, const compositionengine::Output&());
     MOCK_CONST_METHOD0(getLayerFE, compositionengine::LayerFE&());
 
@@ -51,7 +55,7 @@ public:
     MOCK_METHOD0(prepareForDeviceLayerRequests, void());
     MOCK_METHOD1(applyDeviceLayerRequest, void(Hwc2::IComposerClient::LayerRequest request));
     MOCK_CONST_METHOD0(needsFiltering, bool());
-    MOCK_CONST_METHOD0(getOverrideCompositionList, std::vector<LayerFE::LayerSettings>());
+    MOCK_CONST_METHOD0(getOverrideCompositionSettings, std::optional<LayerFE::LayerSettings>());
 
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
index e12aebb50c..af8d4bcb0b 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
@@ -42,9 +42,7 @@ public:
     MOCK_METHOD1(dequeueBuffer, std::shared_ptr<renderengine::ExternalTexture>(base::unique_fd*));
     MOCK_METHOD1(queueBuffer, void(base::unique_fd));
     MOCK_METHOD0(onPresentDisplayCompleted, void());
-    MOCK_METHOD0(flip, void());
     MOCK_CONST_METHOD1(dump, void(std::string& result));
-    MOCK_CONST_METHOD0(getPageFlipCount, std::uint32_t());
     MOCK_CONST_METHOD0(supportsCompositionStrategyPrediction, bool());
 };
 
diff --git a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
index 6203dc6737..15fadbc8ee 100644
--- a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
@@ -65,15 +65,15 @@ void CompositionEngine::setHwComposer(std::unique_ptr<HWComposer> hwComposer) {
 }
 
 renderengine::RenderEngine& CompositionEngine::getRenderEngine() const {
-    return *mRenderEngine.get();
+    return *mRenderEngine;
 }
 
-void CompositionEngine::setRenderEngine(std::unique_ptr<renderengine::RenderEngine> renderEngine) {
-    mRenderEngine = std::move(renderEngine);
+void CompositionEngine::setRenderEngine(renderengine::RenderEngine* renderEngine) {
+    mRenderEngine = renderEngine;
 }
 
-TimeStats& CompositionEngine::getTimeStats() const {
-    return *mTimeStats.get();
+TimeStats* CompositionEngine::getTimeStats() const {
+    return mTimeStats.get();
 }
 
 void CompositionEngine::setTimeStats(const std::shared_ptr<TimeStats>& timeStats) {
@@ -105,8 +105,6 @@ void CompositionEngine::present(CompositionRefreshArgs& args) {
         }
     }
 
-    updateLayerStateFromFE(args);
-
     for (const auto& output : args.outputs) {
         output->present(args);
     }
@@ -119,8 +117,6 @@ void CompositionEngine::updateCursorAsync(CompositionRefreshArgs& args) {
     for (const auto& output : args.outputs) {
         for (auto* layer : output->getOutputLayersOrderedByZ()) {
             if (layer->isHardwareCursor()) {
-                // Latch the cursor composition state from each front-end layer.
-                layer->getLayerFE().prepareCompositionState(LayerFE::StateSubset::Cursor);
                 layer->writeCursorPositionToHWC();
             }
         }
@@ -136,7 +132,7 @@ void CompositionEngine::preComposition(CompositionRefreshArgs& args) {
     mRefreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
     for (auto& layer : args.layers) {
-        if (layer->onPreComposition(mRefreshStartTime)) {
+        if (layer->onPreComposition(mRefreshStartTime, args.updatingOutputGeometryThisFrame)) {
             needsAnotherUpdate = true;
         }
     }
@@ -144,6 +140,10 @@ void CompositionEngine::preComposition(CompositionRefreshArgs& args) {
     mNeedsAnotherUpdate = needsAnotherUpdate;
 }
 
+FeatureFlags CompositionEngine::getFeatureFlags() const {
+    return {};
+}
+
 void CompositionEngine::dump(std::string&) const {
     // The base class has no state to dump, but derived classes might.
 }
@@ -152,12 +152,5 @@ void CompositionEngine::setNeedsAnotherUpdateForTest(bool value) {
     mNeedsAnotherUpdate = value;
 }
 
-void CompositionEngine::updateLayerStateFromFE(CompositionRefreshArgs& args) {
-    // Update the composition state from each front-end layer
-    for (const auto& output : args.outputs) {
-        output->updateLayerStateFromFE(args);
-    }
-}
-
 } // namespace impl
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index 163d9a3748..24669c2ff5 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -25,6 +25,7 @@
 #include <compositionengine/impl/DumpHelpers.h>
 #include <compositionengine/impl/OutputLayer.h>
 #include <compositionengine/impl/RenderSurface.h>
+#include <gui/TraceUtils.h>
 
 #include <utils/Trace.h>
 
@@ -196,7 +197,7 @@ void Display::setReleasedLayers(const compositionengine::CompositionRefreshArgs&
                             });
 
         if (hasQueuedFrames) {
-            releasedLayers.emplace_back(layerFE);
+            releasedLayers.emplace_back(wp<LayerFE>::fromExisting(layerFE));
         }
     }
 
@@ -235,7 +236,7 @@ void Display::beginFrame() {
 
 bool Display::chooseCompositionStrategy(
         std::optional<android::HWComposer::DeviceRequestedChanges>* outChanges) {
-    ATRACE_CALL();
+    ATRACE_FORMAT("%s for %s", __func__, getNamePlusId().c_str());
     ALOGV(__FUNCTION__);
 
     if (mIsDisconnected) {
@@ -248,12 +249,17 @@ bool Display::chooseCompositionStrategy(
         return false;
     }
 
-    const nsecs_t startTime = systemTime();
-
     // Get any composition changes requested by the HWC device, and apply them.
     std::optional<android::HWComposer::DeviceRequestedChanges> changes;
     auto& hwc = getCompositionEngine().getHwComposer();
     const bool requiresClientComposition = anyLayersRequireClientComposition();
+
+    if (isPowerHintSessionEnabled()) {
+        mPowerAdvisor->setRequiresClientComposition(mId, requiresClientComposition);
+    }
+
+    const TimePoint hwcValidateStartTime = TimePoint::now();
+
     if (status_t result =
                 hwc.getDeviceCompositionChanges(*halDisplayId, requiresClientComposition,
                                                 getState().earliestPresentTime,
@@ -266,8 +272,10 @@ bool Display::chooseCompositionStrategy(
     }
 
     if (isPowerHintSessionEnabled()) {
-        mPowerAdvisor->setHwcValidateTiming(mId, startTime, systemTime());
-        mPowerAdvisor->setRequiresClientComposition(mId, requiresClientComposition);
+        mPowerAdvisor->setHwcValidateTiming(mId, hwcValidateStartTime, TimePoint::now());
+        if (auto halDisplayId = HalDisplayId::tryCast(mId)) {
+            mPowerAdvisor->setSkippedValidate(mId, hwc.getValidateSkipped(*halDisplayId));
+        }
     }
 
     return true;
@@ -370,7 +378,7 @@ compositionengine::Output::FrameFences Display::presentAndGetFrameFences() {
 
     auto& hwc = getCompositionEngine().getHwComposer();
 
-    const nsecs_t startTime = systemTime();
+    const TimePoint startTime = TimePoint::now();
 
     if (isPowerHintSessionEnabled()) {
         if (!getCompositionEngine().getHwComposer().getComposer()->isSupported(
@@ -384,7 +392,7 @@ compositionengine::Output::FrameFences Display::presentAndGetFrameFences() {
                                    getState().previousPresentFence);
 
     if (isPowerHintSessionEnabled()) {
-        mPowerAdvisor->setHwcPresentTiming(mId, startTime, systemTime());
+        mPowerAdvisor->setHwcPresentTiming(mId, startTime, TimePoint::now());
     }
 
     fences.presentFence = hwc.getPresentFence(*halDisplayIdOpt);
@@ -432,13 +440,6 @@ void Display::finishFrame(const compositionengine::CompositionRefreshArgs& refre
     }
 
     impl::Output::finishFrame(refreshArgs, std::move(result));
-
-    if (isPowerHintSessionEnabled()) {
-        auto& hwc = getCompositionEngine().getHwComposer();
-        if (auto halDisplayId = HalDisplayId::tryCast(mId)) {
-            mPowerAdvisor->setSkippedValidate(mId, hwc.getValidateSkipped(*halDisplayId));
-        }
-    }
 }
 
 } // namespace android::compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/src/HwcBufferCache.cpp b/services/surfaceflinger/CompositionEngine/src/HwcBufferCache.cpp
index f95382d921..d64fd5707c 100644
--- a/services/surfaceflinger/CompositionEngine/src/HwcBufferCache.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/HwcBufferCache.cpp
@@ -16,43 +16,80 @@
 
 #include <compositionengine/impl/HwcBufferCache.h>
 
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
 #include <gui/BufferQueue.h>
 #include <ui/GraphicBuffer.h>
 
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
-
 namespace android::compositionengine::impl {
 
 HwcBufferCache::HwcBufferCache() {
-    std::fill(std::begin(mBuffers), std::end(mBuffers), wp<GraphicBuffer>(nullptr));
+    for (uint32_t i = 0; i < kMaxLayerBufferCount; i++) {
+        mFreeSlots.push(i);
+    }
 }
 
-void HwcBufferCache::getHwcBuffer(int slot, const sp<GraphicBuffer>& buffer, uint32_t* outSlot,
-                                  sp<GraphicBuffer>* outBuffer) {
-    // default is 0
-    if (slot == BufferQueue::INVALID_BUFFER_SLOT || slot < 0 ||
-        slot >= static_cast<int32_t>(kMaxLayerBufferCount)) {
-        *outSlot = 0;
-    } else {
-        *outSlot = static_cast<uint32_t>(slot);
+HwcSlotAndBuffer HwcBufferCache::getHwcSlotAndBuffer(const sp<GraphicBuffer>& buffer) {
+    // TODO(b/261930578): This is for unit tests which don't mock GraphicBuffers but instead send
+    // in nullptrs.
+    if (buffer == nullptr) {
+        return {0, nullptr};
+    }
+    if (auto i = mCacheByBufferId.find(buffer->getId()); i != mCacheByBufferId.end()) {
+        Cache& cache = i->second;
+        // mark this cache slot as more recently used so it won't get evicted anytime soon
+        cache.lruCounter = mLeastRecentlyUsedCounter++;
+        return {cache.slot, nullptr};
     }
+    return {cache(buffer), buffer};
+}
 
-    auto& currentBuffer = mBuffers[*outSlot];
-    wp<GraphicBuffer> weakCopy(buffer);
-    if (currentBuffer == weakCopy) {
-        // already cached in HWC, skip sending the buffer
-        *outBuffer = nullptr;
-    } else {
-        *outBuffer = buffer;
+HwcSlotAndBuffer HwcBufferCache::getHwcSlotAndBufferForOverride(const sp<GraphicBuffer>& buffer) {
+    if (buffer == mLastOverrideBuffer) {
+        return {kOverrideBufferSlot, nullptr};
+    }
+    mLastOverrideBuffer = buffer;
+    return {kOverrideBufferSlot, buffer};
+}
+
+uint32_t HwcBufferCache::uncache(uint64_t bufferId) {
+    if (auto i = mCacheByBufferId.find(bufferId); i != mCacheByBufferId.end()) {
+        uint32_t slot = i->second.slot;
+        mCacheByBufferId.erase(i);
+        mFreeSlots.push(slot);
+        return slot;
+    }
+    if (mLastOverrideBuffer && bufferId == mLastOverrideBuffer->getId()) {
+        mLastOverrideBuffer = nullptr;
+        return kOverrideBufferSlot;
+    }
+    return UINT32_MAX;
+}
+
+uint32_t HwcBufferCache::cache(const sp<GraphicBuffer>& buffer) {
+    Cache cache;
+    cache.slot = getLeastRecentlyUsedSlot();
+    cache.lruCounter = mLeastRecentlyUsedCounter++;
+    cache.buffer = buffer;
+    mCacheByBufferId.emplace(buffer->getId(), cache);
+    return cache.slot;
+}
 
-        // update cache
-        currentBuffer = buffer;
+uint32_t HwcBufferCache::getLeastRecentlyUsedSlot() {
+    if (mFreeSlots.empty()) {
+        assert(!mCacheByBufferId.empty());
+        // evict the least recently used cache entry
+        auto cacheToErase = mCacheByBufferId.begin();
+        for (auto i = cacheToErase; i != mCacheByBufferId.end(); ++i) {
+            if (i->second.lruCounter < cacheToErase->second.lruCounter) {
+                cacheToErase = i;
+            }
+        }
+        uint32_t slot = cacheToErase->second.slot;
+        mCacheByBufferId.erase(cacheToErase);
+        mFreeSlots.push(slot);
     }
+    uint32_t slot = mFreeSlots.top();
+    mFreeSlots.pop();
+    return slot;
 }
 
 } // namespace android::compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
index 6631a2772c..a405c4df88 100644
--- a/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
@@ -106,7 +106,6 @@ void LayerFECompositionState::dump(std::string& out) const {
     dumpVal(out, "composition type", toString(compositionType), compositionType);
 
     out.append("\n      buffer: ");
-    dumpVal(out, "slot", bufferSlot);
     dumpVal(out, "buffer", buffer.get());
 
     out.append("\n      ");
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index d0c5803d42..16ef812d04 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -29,6 +29,7 @@
 #include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <compositionengine/impl/planner/Planner.h>
 #include <ftl/future.h>
+#include <gui/TraceUtils.h>
 
 #include <thread>
 
@@ -116,6 +117,9 @@ const std::string& Output::getName() const {
 
 void Output::setName(const std::string& name) {
     mName = name;
+    auto displayIdOpt = getDisplayId();
+    mNamePlusId = base::StringPrintf("%s (%s)", mName.c_str(),
+                                     displayIdOpt ? to_string(*displayIdOpt).c_str() : "NA");
 }
 
 void Output::setCompositionEnabled(bool enabled) {
@@ -424,10 +428,11 @@ void Output::prepare(const compositionengine::CompositionRefreshArgs& refreshArg
     ALOGV(__FUNCTION__);
 
     rebuildLayerStacks(refreshArgs, geomSnapshots);
+    uncacheBuffers(refreshArgs.bufferIdsToUncache);
 }
 
 void Output::present(const compositionengine::CompositionRefreshArgs& refreshArgs) {
-    ATRACE_CALL();
+    ATRACE_FORMAT("%s for %s", __func__, mNamePlusId.c_str());
     ALOGV(__FUNCTION__);
 
     updateColorProfile(refreshArgs);
@@ -451,6 +456,15 @@ void Output::present(const compositionengine::CompositionRefreshArgs& refreshArg
     renderCachedSets(refreshArgs);
 }
 
+void Output::uncacheBuffers(std::vector<uint64_t> const& bufferIdsToUncache) {
+    if (bufferIdsToUncache.empty()) {
+        return;
+    }
+    for (auto outputLayer : getOutputLayersOrderedByZ()) {
+        outputLayer->uncacheBuffers(bufferIdsToUncache);
+    }
+}
+
 void Output::rebuildLayerStacks(const compositionengine::CompositionRefreshArgs& refreshArgs,
                                 LayerFESet& layerFESet) {
     ATRACE_CALL();
@@ -501,7 +515,6 @@ void Output::ensureOutputLayerIfVisible(sp<compositionengine::LayerFE>& layerFE,
     // appear on multiple outputs.
     if (!coverage.latchedLayers.count(layerFE)) {
         coverage.latchedLayers.insert(layerFE);
-        layerFE->prepareCompositionState(compositionengine::LayerFE::StateSubset::BasicGeometry);
     }
 
     // Only consider the layers on this output
@@ -725,14 +738,6 @@ void Output::setReleasedLayers(const compositionengine::CompositionRefreshArgs&)
     // The base class does nothing with this call.
 }
 
-void Output::updateLayerStateFromFE(const CompositionRefreshArgs& args) const {
-    for (auto* layer : getOutputLayersOrderedByZ()) {
-        layer->getLayerFE().prepareCompositionState(
-                args.updatingGeometryThisFrame ? LayerFE::StateSubset::GeometryAndContent
-                                               : LayerFE::StateSubset::Content);
-    }
-}
-
 void Output::updateCompositionState(const compositionengine::CompositionRefreshArgs& refreshArgs) {
     ATRACE_CALL();
     ALOGV(__FUNCTION__);
@@ -754,6 +759,44 @@ void Output::updateCompositionState(const compositionengine::CompositionRefreshA
             forceClientComposition = false;
         }
     }
+
+    updateCompositionStateForBorder(refreshArgs);
+}
+
+void Output::updateCompositionStateForBorder(
+        const compositionengine::CompositionRefreshArgs& refreshArgs) {
+    std::unordered_map<int32_t, const Region*> layerVisibleRegionMap;
+    // Store a map of layerId to their computed visible region.
+    for (auto* layer : getOutputLayersOrderedByZ()) {
+        int layerId = (layer->getLayerFE()).getSequence();
+        layerVisibleRegionMap[layerId] = &((layer->getState()).visibleRegion);
+    }
+    OutputCompositionState& outputCompositionState = editState();
+    outputCompositionState.borderInfoList.clear();
+    bool clientComposeTopLayer = false;
+    for (const auto& borderInfo : refreshArgs.borderInfoList) {
+        renderengine::BorderRenderInfo info;
+        for (const auto& id : borderInfo.layerIds) {
+            info.combinedRegion.orSelf(*(layerVisibleRegionMap[id]));
+        }
+
+        if (!info.combinedRegion.isEmpty()) {
+            info.width = borderInfo.width;
+            info.color = borderInfo.color;
+            outputCompositionState.borderInfoList.emplace_back(std::move(info));
+            clientComposeTopLayer = true;
+        }
+    }
+
+    // In this situation we must client compose the top layer instead of using hwc
+    // because we want to draw the border above all else.
+    // This could potentially cause a bit of a performance regression if the top
+    // layer would have been rendered using hwc originally.
+    // TODO(b/227656283): Measure system's performance before enabling the border feature
+    if (clientComposeTopLayer) {
+        auto topLayer = getOutputLayerOrderedByZByIndex(getOutputLayerCount() - 1);
+        (topLayer->editState()).forceClientComposition = true;
+    }
 }
 
 void Output::planComposition() {
@@ -871,6 +914,13 @@ ui::Dataspace Output::getBestDataspace(ui::Dataspace* outHdrDataSpace,
     ui::Dataspace bestDataSpace = ui::Dataspace::V0_SRGB;
     *outHdrDataSpace = ui::Dataspace::UNKNOWN;
 
+    // An Output's layers may be stale when it is disabled. As a consequence, the layers returned by
+    // getOutputLayersOrderedByZ may not be in a valid state and it is not safe to access their
+    // properties. Return a default dataspace value in this case.
+    if (!getState().isEnabled) {
+        return ui::Dataspace::V0_SRGB;
+    }
+
     for (const auto* layer : getOutputLayersOrderedByZ()) {
         switch (layer->getLayerFE().getCompositionState()->dataspace) {
             case ui::Dataspace::V0_SCRGB:
@@ -1122,7 +1172,8 @@ void Output::finishFrame(const CompositionRefreshArgs& refreshArgs, GpuCompositi
 
     if (isPowerHintSessionEnabled()) {
         // get fence end time to know when gpu is complete in display
-        setHintSessionGpuFence(std::make_unique<FenceTime>(new Fence(dup(optReadyFence->get()))));
+        setHintSessionGpuFence(
+                std::make_unique<FenceTime>(sp<Fence>::make(dup(optReadyFence->get()))));
     }
     // swap buffers (presentation)
     mRenderSurface->queueBuffer(std::move(*optReadyFence));
@@ -1141,15 +1192,9 @@ void Output::updateProtectedContentState() {
         bool needsProtected = std::any_of(layers.begin(), layers.end(), [](auto* layer) {
             return layer->getLayerFE().getCompositionState()->hasProtectedContent;
         });
-        if (needsProtected != renderEngine.isProtected()) {
-            renderEngine.useProtectedContext(needsProtected);
-        }
-        if (needsProtected != mRenderSurface->isProtected() &&
-            needsProtected == renderEngine.isProtected()) {
+        if (needsProtected != mRenderSurface->isProtected()) {
             mRenderSurface->setProtected(needsProtected);
         }
-    } else if (!outputState.isSecure && renderEngine.isProtected()) {
-        renderEngine.useProtectedContext(false);
     }
 }
 
@@ -1195,33 +1240,8 @@ std::optional<base::unique_fd> Output::composeSurfaces(
 
     ALOGV("hasClientComposition");
 
-    renderengine::DisplaySettings clientCompositionDisplay;
-    clientCompositionDisplay.physicalDisplay = outputState.framebufferSpace.getContent();
-    clientCompositionDisplay.clip = outputState.layerStackSpace.getContent();
-    clientCompositionDisplay.orientation =
-            ui::Transform::toRotationFlags(outputState.displaySpace.getOrientation());
-    clientCompositionDisplay.outputDataspace = mDisplayColorProfile->hasWideColorGamut()
-            ? outputState.dataspace
-            : ui::Dataspace::UNKNOWN;
-
-    // If we have a valid current display brightness use that, otherwise fall back to the
-    // display's max desired
-    clientCompositionDisplay.currentLuminanceNits = outputState.displayBrightnessNits > 0.f
-            ? outputState.displayBrightnessNits
-            : mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
-    clientCompositionDisplay.maxLuminance =
-            mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
-    clientCompositionDisplay.targetLuminanceNits =
-            outputState.clientTargetBrightness * outputState.displayBrightnessNits;
-    clientCompositionDisplay.dimmingStage = outputState.clientTargetDimmingStage;
-    clientCompositionDisplay.renderIntent =
-            static_cast<aidl::android::hardware::graphics::composer3::RenderIntent>(
-                    outputState.renderIntent);
-
-    // Compute the global color transform matrix.
-    clientCompositionDisplay.colorTransform = outputState.colorTransformMatrix;
-    clientCompositionDisplay.deviceHandlesColorTransform =
-            outputState.usesDeviceComposition || getSkipColorTransform();
+    renderengine::DisplaySettings clientCompositionDisplay =
+            generateClientCompositionDisplaySettings();
 
     // Generate the client composition requests for the layers on this output.
     auto& renderEngine = getCompositionEngine().getRenderEngine();
@@ -1284,11 +1304,10 @@ std::optional<base::unique_fd> Output::composeSurfaces(
     // over to RenderEngine, in which case this flag can be removed from the drawLayers interface.
     const bool useFramebufferCache = outputState.layerFilter.toInternalDisplay;
 
-    auto fenceResult =
-            toFenceResult(renderEngine
-                                  .drawLayers(clientCompositionDisplay, clientRenderEngineLayers,
-                                              tex, useFramebufferCache, std::move(fd))
-                                  .get());
+    auto fenceResult = renderEngine
+                               .drawLayers(clientCompositionDisplay, clientRenderEngineLayers, tex,
+                                           useFramebufferCache, std::move(fd))
+                               .get();
 
     if (mClientCompositionRequestCache && fenceStatus(fenceResult) != NO_ERROR) {
         // If rendering was not successful, remove the request from the cache.
@@ -1297,10 +1316,13 @@ std::optional<base::unique_fd> Output::composeSurfaces(
 
     const auto fence = std::move(fenceResult).value_or(Fence::NO_FENCE);
 
-    if (auto& timeStats = getCompositionEngine().getTimeStats(); fence->isValid()) {
-        timeStats.recordRenderEngineDuration(renderEngineStart, std::make_shared<FenceTime>(fence));
-    } else {
-        timeStats.recordRenderEngineDuration(renderEngineStart, systemTime());
+    if (auto timeStats = getCompositionEngine().getTimeStats()) {
+        if (fence->isValid()) {
+            timeStats->recordRenderEngineDuration(renderEngineStart,
+                                                  std::make_shared<FenceTime>(fence));
+        } else {
+            timeStats->recordRenderEngineDuration(renderEngineStart, systemTime());
+        }
     }
 
     for (auto* clientComposedLayer : clientCompositionLayersFE) {
@@ -1310,6 +1332,47 @@ std::optional<base::unique_fd> Output::composeSurfaces(
     return base::unique_fd(fence->dup());
 }
 
+renderengine::DisplaySettings Output::generateClientCompositionDisplaySettings() const {
+    const auto& outputState = getState();
+
+    renderengine::DisplaySettings clientCompositionDisplay;
+    clientCompositionDisplay.namePlusId = mNamePlusId;
+    clientCompositionDisplay.physicalDisplay = outputState.framebufferSpace.getContent();
+    clientCompositionDisplay.clip = outputState.layerStackSpace.getContent();
+    clientCompositionDisplay.orientation =
+            ui::Transform::toRotationFlags(outputState.displaySpace.getOrientation());
+    clientCompositionDisplay.outputDataspace = mDisplayColorProfile->hasWideColorGamut()
+            ? outputState.dataspace
+            : ui::Dataspace::UNKNOWN;
+
+    // If we have a valid current display brightness use that, otherwise fall back to the
+    // display's max desired
+    clientCompositionDisplay.currentLuminanceNits = outputState.displayBrightnessNits > 0.f
+            ? outputState.displayBrightnessNits
+            : mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
+    clientCompositionDisplay.maxLuminance =
+            mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
+    clientCompositionDisplay.targetLuminanceNits =
+            outputState.clientTargetBrightness * outputState.displayBrightnessNits;
+    clientCompositionDisplay.dimmingStage = outputState.clientTargetDimmingStage;
+    clientCompositionDisplay.renderIntent =
+            static_cast<aidl::android::hardware::graphics::composer3::RenderIntent>(
+                    outputState.renderIntent);
+
+    // Compute the global color transform matrix.
+    clientCompositionDisplay.colorTransform = outputState.colorTransformMatrix;
+    for (auto& info : outputState.borderInfoList) {
+        renderengine::BorderRenderInfo borderInfo;
+        borderInfo.width = info.width;
+        borderInfo.color = info.color;
+        borderInfo.combinedRegion = info.combinedRegion;
+        clientCompositionDisplay.borderInfoList.emplace_back(std::move(borderInfo));
+    }
+    clientCompositionDisplay.deviceHandlesColorTransform =
+            outputState.usesDeviceComposition || getSkipColorTransform();
+    return clientCompositionDisplay;
+}
+
 std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
       bool supportsProtectedContent, ui::Dataspace outputDataspace, std::vector<LayerFE*>& outLayerFEs) {
     std::vector<LayerFE::LayerSettings> clientCompositionLayers;
@@ -1320,7 +1383,7 @@ std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
     bool firstLayer = true;
 
     bool disableBlurs = false;
-    sp<GraphicBuffer> previousOverrideBuffer = nullptr;
+    uint64_t previousOverrideBufferId = 0;
 
     for (auto* layer : getOutputLayersOrderedByZ()) {
         const auto& layerState = layer->getState();
@@ -1356,11 +1419,10 @@ std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
                 !layerState.visibleRegion.subtract(layerState.shadowRegion).isEmpty();
 
         if (clientComposition || clearClientComposition) {
-            std::vector<LayerFE::LayerSettings> results;
-            if (layer->getState().overrideInfo.buffer != nullptr) {
-                if (layer->getState().overrideInfo.buffer->getBuffer() != previousOverrideBuffer) {
-                    results = layer->getOverrideCompositionList();
-                    previousOverrideBuffer = layer->getState().overrideInfo.buffer->getBuffer();
+            if (auto overrideSettings = layer->getOverrideCompositionSettings()) {
+                if (overrideSettings->bufferId != previousOverrideBufferId) {
+                    previousOverrideBufferId = overrideSettings->bufferId;
+                    clientCompositionLayers.push_back(std::move(*overrideSettings));
                     ALOGV("Replacing [%s] with override in RE", layer->getLayerFE().getDebugName());
                 } else {
                     ALOGV("Skipping redundant override buffer for [%s] in RE",
@@ -1376,7 +1438,7 @@ std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
                                              Enabled);
                 compositionengine::LayerFE::ClientCompositionTargetSettings
                         targetSettings{.clip = clip,
-                                       .needsFiltering = layer->needsFiltering() ||
+                                       .needsFiltering = layerNeedsFiltering(layer) ||
                                                outputState.needsFiltering,
                                        .isSecure = outputState.isSecure,
                                        .supportsProtectedContent = supportsProtectedContent,
@@ -1385,21 +1447,20 @@ std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
                                        .realContentIsVisible = realContentIsVisible,
                                        .clearContent = !clientComposition,
                                        .blurSetting = blurSetting,
-                                       .whitePointNits = layerState.whitePointNits};
-                results = layerFE.prepareClientCompositionList(targetSettings);
-                if (realContentIsVisible && !results.empty()) {
-                    layer->editState().clientCompositionTimestamp = systemTime();
+                                       .whitePointNits = layerState.whitePointNits,
+                                       .treat170mAsSrgb = outputState.treat170mAsSrgb};
+                if (auto clientCompositionSettings =
+                            layerFE.prepareClientComposition(targetSettings)) {
+                    clientCompositionLayers.push_back(std::move(*clientCompositionSettings));
+                    if (realContentIsVisible) {
+                        layer->editState().clientCompositionTimestamp = systemTime();
+                    }
                 }
             }
 
             if (clientComposition) {
                 outLayerFEs.push_back(&layerFE);
             }
-
-            clientCompositionLayers.insert(clientCompositionLayers.end(),
-                                           std::make_move_iterator(results.begin()),
-                                           std::make_move_iterator(results.end()));
-            results.clear();
         }
 
         firstLayer = false;
@@ -1408,6 +1469,10 @@ std::vector<LayerFE::LayerSettings> Output::generateClientCompositionRequests(
     return clientCompositionLayers;
 }
 
+bool Output::layerNeedsFiltering(const compositionengine::OutputLayer* layer) const {
+    return layer->needsFiltering();
+}
+
 void Output::appendRegionFlashRequests(
         const Region& flashRegion, std::vector<LayerFE::LayerSettings>& clientCompositionLayers) {
     if (flashRegion.isEmpty()) {
@@ -1438,7 +1503,7 @@ bool Output::isPowerHintSessionEnabled() {
 }
 
 void Output::postFramebuffer() {
-    ATRACE_CALL();
+    ATRACE_FORMAT("%s for %s", __func__, mNamePlusId.c_str());
     ALOGV(__FUNCTION__);
 
     if (!getState().isEnabled) {
@@ -1447,7 +1512,6 @@ void Output::postFramebuffer() {
 
     auto& outputState = editState();
     outputState.dirtyRegion.clear();
-    mRenderSurface->flip();
 
     auto frame = presentAndGetFrameFences();
 
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
index 948c0c90bf..c512a1e97f 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
@@ -62,14 +62,18 @@ void OutputCompositionState::dump(std::string& out) const {
     dumpVal(out, "sdrWhitePointNits", sdrWhitePointNits);
     dumpVal(out, "clientTargetBrightness", clientTargetBrightness);
     dumpVal(out, "displayBrightness", displayBrightness);
-
     out.append("\n   ");
     dumpVal(out, "compositionStrategyPredictionState", ftl::enum_string(strategyPrediction));
+    out.append("\n   ");
 
     out.append("\n   ");
     dumpVal(out, "treate170mAsSrgb", treat170mAsSrgb);
 
-    out += '\n';
+    out.append("\n");
+    for (const auto& borderRenderInfo : borderInfoList) {
+        dumpVal(out, "borderRegion", borderRenderInfo.combinedRegion);
+    }
+    out.append("\n");
 }
 
 } // namespace android::compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index 1bb9d0eb63..a7c24b628d 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -610,6 +610,19 @@ void OutputLayer::writeSidebandStateToHWC(HWC2::Layer* hwcLayer,
     }
 }
 
+void OutputLayer::uncacheBuffers(std::vector<uint64_t> const& bufferIdsToUncache) {
+    auto& state = editState();
+    // Skip doing this if there is no HWC interface
+    if (!state.hwc) {
+        return;
+    }
+
+    for (auto bufferId : bufferIdsToUncache) {
+        state.hwc->hwcBufferCache.uncache(bufferId);
+        // TODO(b/258196272): send uncache requests to Composer HAL
+    }
+}
+
 void OutputLayer::writeBufferStateToHWC(HWC2::Layer* hwcLayer,
                                         const LayerFECompositionState& outputIndependentState,
                                         bool skipLayer) {
@@ -622,27 +635,24 @@ void OutputLayer::writeBufferStateToHWC(HWC2::Layer* hwcLayer,
               to_string(error).c_str(), static_cast<int32_t>(error));
     }
 
-    sp<GraphicBuffer> buffer = outputIndependentState.buffer;
-    sp<Fence> acquireFence = outputIndependentState.acquireFence;
-    int slot = outputIndependentState.bufferSlot;
+    HwcSlotAndBuffer hwcSlotAndBuffer;
+    sp<Fence> hwcFence;
+    // Override buffers use a special cache slot so that they don't evict client buffers.
     if (getState().overrideInfo.buffer != nullptr && !skipLayer) {
-        buffer = getState().overrideInfo.buffer->getBuffer();
-        acquireFence = getState().overrideInfo.acquireFence;
-        slot = HwcBufferCache::FLATTENER_CACHING_SLOT;
+        hwcSlotAndBuffer = editState().hwc->hwcBufferCache.getHwcSlotAndBufferForOverride(
+                getState().overrideInfo.buffer->getBuffer());
+        hwcFence = getState().overrideInfo.acquireFence;
+    } else {
+        hwcSlotAndBuffer =
+                editState().hwc->hwcBufferCache.getHwcSlotAndBuffer(outputIndependentState.buffer);
+        hwcFence = outputIndependentState.acquireFence;
     }
 
-    ALOGV("Writing buffer %p", buffer.get());
-
-    uint32_t hwcSlot = 0;
-    sp<GraphicBuffer> hwcBuffer;
-    // We need access to the output-dependent state for the buffer cache there,
-    // though otherwise the buffer is not output-dependent.
-    editState().hwc->hwcBufferCache.getHwcBuffer(slot, buffer, &hwcSlot, &hwcBuffer);
-
-    if (auto error = hwcLayer->setBuffer(hwcSlot, hwcBuffer, acquireFence);
+    if (auto error = hwcLayer->setBuffer(hwcSlotAndBuffer.slot, hwcSlotAndBuffer.buffer, hwcFence);
         error != hal::Error::NONE) {
-        ALOGE("[%s] Failed to set buffer %p: %s (%d)", getLayerFE().getDebugName(), buffer->handle,
-              to_string(error).c_str(), static_cast<int32_t>(error));
+        ALOGE("[%s] Failed to set buffer %p: %s (%d)", getLayerFE().getDebugName(),
+              hwcSlotAndBuffer.buffer->handle, to_string(error).c_str(),
+              static_cast<int32_t>(error));
     }
 }
 
@@ -787,7 +797,7 @@ bool OutputLayer::needsFiltering() const {
             sourceCrop.getWidth() != displayFrame.getWidth();
 }
 
-std::vector<LayerFE::LayerSettings> OutputLayer::getOverrideCompositionList() const {
+std::optional<LayerFE::LayerSettings> OutputLayer::getOverrideCompositionSettings() const {
     if (getState().overrideInfo.buffer == nullptr) {
         return {};
     }
@@ -816,7 +826,7 @@ std::vector<LayerFE::LayerSettings> OutputLayer::getOverrideCompositionList() co
     settings.alpha = 1.0f;
     settings.whitePointNits = getOutput().getState().sdrWhitePointNits;
 
-    return {static_cast<LayerFE::LayerSettings>(settings)};
+    return settings;
 }
 
 void OutputLayer::dump(std::string& out) const {
diff --git a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
index 5a3af7bfea..0fe55db05c 100644
--- a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
@@ -251,10 +251,6 @@ void RenderSurface::onPresentDisplayCompleted() {
     mDisplaySurface->onFrameCommitted();
 }
 
-void RenderSurface::flip() {
-    mPageFlipCount++;
-}
-
 void RenderSurface::dump(std::string& out) const {
     using android::base::StringAppendF;
 
@@ -265,7 +261,6 @@ void RenderSurface::dump(std::string& out) const {
     dumpVal(out, "size", mSize);
     StringAppendF(&out, "ANativeWindow=%p (format %d) ", mNativeWindow.get(),
                   ANativeWindow_getFormat(mNativeWindow.get()));
-    dumpVal(out, "flips", mPageFlipCount);
     out.append("\n");
 
     String8 surfaceDump;
@@ -273,14 +268,6 @@ void RenderSurface::dump(std::string& out) const {
     out.append(surfaceDump);
 }
 
-std::uint32_t RenderSurface::getPageFlipCount() const {
-    return mPageFlipCount;
-}
-
-void RenderSurface::setPageFlipCountForTest(std::uint32_t count) {
-    mPageFlipCount = count;
-}
-
 void RenderSurface::setSizeForTest(const ui::Size& size) {
     mSize = size;
 }
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
index d6f02ee42a..ed9a88d3c4 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
@@ -193,11 +193,11 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
     std::vector<renderengine::LayerSettings> layerSettings;
     renderengine::LayerSettings highlight;
     for (const auto& layer : mLayers) {
-        const auto clientCompositionList =
-                layer.getState()->getOutputLayer()->getLayerFE().prepareClientCompositionList(
-                        targetSettings);
-        layerSettings.insert(layerSettings.end(), clientCompositionList.cbegin(),
-                             clientCompositionList.cend());
+        if (auto clientCompositionSettings =
+                    layer.getState()->getOutputLayer()->getLayerFE().prepareClientComposition(
+                            targetSettings)) {
+            layerSettings.push_back(std::move(*clientCompositionSettings));
+        }
     }
 
     renderengine::LayerSettings blurLayerSettings;
@@ -205,43 +205,40 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
         auto blurSettings = targetSettings;
         blurSettings.blurSetting =
                 LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly;
-        auto clientCompositionList =
-                mBlurLayer->getOutputLayer()->getLayerFE().prepareClientCompositionList(
-                        blurSettings);
-        blurLayerSettings = clientCompositionList.back();
+
+        auto blurLayerSettings =
+                mBlurLayer->getOutputLayer()->getLayerFE().prepareClientComposition(blurSettings);
         // This mimics Layer::prepareClearClientComposition
-        blurLayerSettings.skipContentDraw = true;
-        blurLayerSettings.name = std::string("blur layer");
+        blurLayerSettings->skipContentDraw = true;
+        blurLayerSettings->name = std::string("blur layer");
         // Clear out the shadow settings
-        blurLayerSettings.shadow = {};
-        layerSettings.push_back(blurLayerSettings);
+        blurLayerSettings->shadow = {};
+        layerSettings.push_back(std::move(*blurLayerSettings));
     }
 
-    renderengine::LayerSettings holePunchSettings;
-    renderengine::LayerSettings holePunchBackgroundSettings;
     if (mHolePunchLayer) {
         auto& layerFE = mHolePunchLayer->getOutputLayer()->getLayerFE();
-        auto clientCompositionList = layerFE.prepareClientCompositionList(targetSettings);
-        // Assume that the final layer contains the buffer that we want to
-        // replace with a hole punch.
-        holePunchSettings = clientCompositionList.back();
+
+        auto holePunchSettings = layerFE.prepareClientComposition(targetSettings);
         // This mimics Layer::prepareClearClientComposition
-        holePunchSettings.source.buffer.buffer = nullptr;
-        holePunchSettings.source.solidColor = half3(0.0f, 0.0f, 0.0f);
-        holePunchSettings.disableBlending = true;
-        holePunchSettings.alpha = 0.0f;
-        holePunchSettings.name =
+        holePunchSettings->source.buffer.buffer = nullptr;
+        holePunchSettings->source.solidColor = half3(0.0f, 0.0f, 0.0f);
+        holePunchSettings->disableBlending = true;
+        holePunchSettings->alpha = 0.0f;
+        holePunchSettings->name =
                 android::base::StringPrintf("hole punch layer for %s", layerFE.getDebugName());
-        layerSettings.push_back(holePunchSettings);
 
         // Add a solid background as the first layer in case there is no opaque
         // buffer behind the punch hole
+        renderengine::LayerSettings holePunchBackgroundSettings;
         holePunchBackgroundSettings.alpha = 1.0f;
         holePunchBackgroundSettings.name = std::string("holePunchBackground");
-        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings.geometry.boundaries;
+        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings->geometry.boundaries;
         holePunchBackgroundSettings.geometry.positionTransform =
-                holePunchSettings.geometry.positionTransform;
-        layerSettings.emplace(layerSettings.begin(), holePunchBackgroundSettings);
+                holePunchSettings->geometry.positionTransform;
+        layerSettings.emplace(layerSettings.begin(), std::move(holePunchBackgroundSettings));
+
+        layerSettings.push_back(std::move(*holePunchSettings));
     }
 
     if (sDebugHighlighLayers) {
@@ -276,11 +273,10 @@ void CachedSet::render(renderengine::RenderEngine& renderEngine, TexturePool& te
 
     constexpr bool kUseFramebufferCache = false;
 
-    auto fenceResult =
-            toFenceResult(renderEngine
-                                  .drawLayers(displaySettings, layerSettings, texture->get(),
-                                              kUseFramebufferCache, std::move(bufferFence))
-                                  .get());
+    auto fenceResult = renderEngine
+                               .drawLayers(displaySettings, layerSettings, texture->get(),
+                                           kUseFramebufferCache, std::move(bufferFence))
+                               .get();
 
     if (fenceStatus(fenceResult) == NO_ERROR) {
         mDrawFence = std::move(fenceResult).value_or(Fence::NO_FENCE);
@@ -415,8 +411,8 @@ void CachedSet::dump(std::string& result) const {
 
     if (mLayers.size() == 1) {
         base::StringAppendF(&result, "    Layer [%s]\n", mLayers[0].getName().c_str());
-        if (auto* buffer = mLayers[0].getBuffer().get()) {
-            base::StringAppendF(&result, "    Buffer %p", buffer);
+        if (const sp<GraphicBuffer> buffer = mLayers[0].getState()->getBuffer().promote()) {
+            base::StringAppendF(&result, "    Buffer %p", buffer.get());
             base::StringAppendF(&result, "    Format %s",
                                 decodePixelFormat(buffer->getPixelFormat()).c_str());
         }
@@ -426,8 +422,8 @@ void CachedSet::dump(std::string& result) const {
         result.append("    Cached set of:\n");
         for (const Layer& layer : mLayers) {
             base::StringAppendF(&result, "      Layer [%s]\n", layer.getName().c_str());
-            if (auto* buffer = layer.getBuffer().get()) {
-                base::StringAppendF(&result, "       Buffer %p", buffer);
+            if (const sp<GraphicBuffer> buffer = layer.getState()->getBuffer().promote()) {
+                base::StringAppendF(&result, "       Buffer %p", buffer.get());
                 base::StringAppendF(&result, "    Format[%s]",
                                     decodePixelFormat(buffer->getPixelFormat()).c_str());
             }
diff --git a/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp b/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
index de9de0150d..60ed660c7a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
@@ -62,17 +62,16 @@ TEST_F(CompositionEngineTest, canSetHWComposer) {
 }
 
 TEST_F(CompositionEngineTest, canSetRenderEngine) {
-    renderengine::mock::RenderEngine* renderEngine =
-            new StrictMock<renderengine::mock::RenderEngine>();
-    mEngine.setRenderEngine(std::unique_ptr<renderengine::RenderEngine>(renderEngine));
+    auto renderEngine = std::make_unique<StrictMock<renderengine::mock::RenderEngine>>();
+    mEngine.setRenderEngine(renderEngine.get());
 
-    EXPECT_EQ(renderEngine, &mEngine.getRenderEngine());
+    EXPECT_EQ(renderEngine.get(), &mEngine.getRenderEngine());
 }
 
 TEST_F(CompositionEngineTest, canSetTimeStats) {
     mEngine.setTimeStats(mTimeStats);
 
-    EXPECT_EQ(mTimeStats.get(), &mEngine.getTimeStats());
+    EXPECT_EQ(mTimeStats.get(), mEngine.getTimeStats());
 }
 
 /*
@@ -108,12 +107,6 @@ TEST_F(CompositionEnginePresentTest, worksAsExpected) {
     EXPECT_CALL(*mOutput2, prepare(Ref(mRefreshArgs), _));
     EXPECT_CALL(*mOutput3, prepare(Ref(mRefreshArgs), _));
 
-    // The next step in presenting is to make sure all outputs have the latest
-    // state from the front-end (SurfaceFlinger).
-    EXPECT_CALL(*mOutput1, updateLayerStateFromFE(Ref(mRefreshArgs)));
-    EXPECT_CALL(*mOutput2, updateLayerStateFromFE(Ref(mRefreshArgs)));
-    EXPECT_CALL(*mOutput3, updateLayerStateFromFE(Ref(mRefreshArgs)));
-
     // The last step is to actually present each output.
     EXPECT_CALL(*mOutput1, present(Ref(mRefreshArgs)));
     EXPECT_CALL(*mOutput2, present(Ref(mRefreshArgs)));
@@ -175,21 +168,18 @@ TEST_F(CompositionEngineUpdateCursorAsyncTest, handlesMultipleLayersBeingCursorL
     {
         InSequence seq;
         EXPECT_CALL(mOutput2Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput2Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput2Layer1.outputLayer, writeCursorPositionToHWC());
     }
 
     {
         InSequence seq;
         EXPECT_CALL(mOutput3Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput3Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput3Layer1.outputLayer, writeCursorPositionToHWC());
     }
 
     {
         InSequence seq;
         EXPECT_CALL(mOutput3Layer2.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput3Layer2.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput3Layer2.outputLayer, writeCursorPositionToHWC());
     }
 
@@ -222,9 +212,12 @@ TEST_F(CompositionTestPreComposition, preCompositionInvokesLayerPreCompositionWi
     nsecs_t ts1 = 0;
     nsecs_t ts2 = 0;
     nsecs_t ts3 = 0;
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts1), Return(false)));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts2), Return(false)));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts3), Return(false)));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts1), Return(false)));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts2), Return(false)));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts3), Return(false)));
 
     mRefreshArgs.outputs = {mOutput1};
     mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
@@ -238,9 +231,9 @@ TEST_F(CompositionTestPreComposition, preCompositionInvokesLayerPreCompositionWi
 }
 
 TEST_F(CompositionTestPreComposition, preCompositionDefaultsToNoUpdateNeeded) {
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _)).WillOnce(Return(false));
 
     mEngine.setNeedsAnotherUpdateForTest(true);
 
@@ -255,9 +248,9 @@ TEST_F(CompositionTestPreComposition, preCompositionDefaultsToNoUpdateNeeded) {
 
 TEST_F(CompositionTestPreComposition,
        preCompositionSetsNeedsAnotherUpdateIfAtLeastOneLayerRequestsIt) {
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(true));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _)).WillOnce(Return(true));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _)).WillOnce(Return(false));
 
     mRefreshArgs.outputs = {mOutput1};
     mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
diff --git a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
index 5369642a1b..95459c0499 100644
--- a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
@@ -194,7 +194,7 @@ struct DisplayTestCommon : public testing::Test {
     StrictMock<Hwc2::mock::PowerAdvisor> mPowerAdvisor;
     StrictMock<renderengine::mock::RenderEngine> mRenderEngine;
     StrictMock<mock::CompositionEngine> mCompositionEngine;
-    sp<mock::NativeWindow> mNativeWindow = new StrictMock<mock::NativeWindow>();
+    sp<mock::NativeWindow> mNativeWindow = sp<StrictMock<mock::NativeWindow>>::make();
 };
 
 struct PartialMockDisplayTestCommon : public DisplayTestCommon {
@@ -524,7 +524,7 @@ TEST_F(DisplaySetReleasedLayersTest, doesNothingIfGpuDisplay) {
     auto args = getDisplayCreationArgsForGpuVirtualDisplay();
     std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
 
-    sp<mock::LayerFE> layerXLayerFE = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> layerXLayerFE = sp<StrictMock<mock::LayerFE>>::make();
 
     {
         Output::ReleasedLayers releasedLayers;
@@ -542,7 +542,7 @@ TEST_F(DisplaySetReleasedLayersTest, doesNothingIfGpuDisplay) {
 }
 
 TEST_F(DisplaySetReleasedLayersTest, doesNothingIfNoLayersWithQueuedFrames) {
-    sp<mock::LayerFE> layerXLayerFE = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> layerXLayerFE = sp<StrictMock<mock::LayerFE>>::make();
 
     {
         Output::ReleasedLayers releasedLayers;
@@ -558,7 +558,7 @@ TEST_F(DisplaySetReleasedLayersTest, doesNothingIfNoLayersWithQueuedFrames) {
 }
 
 TEST_F(DisplaySetReleasedLayersTest, setReleasedLayers) {
-    sp<mock::LayerFE> unknownLayer = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> unknownLayer = sp<StrictMock<mock::LayerFE>>::make();
 
     CompositionRefreshArgs refreshArgs;
     refreshArgs.layersWithQueuedFrames.push_back(mLayer1.layerFE);
@@ -897,9 +897,9 @@ TEST_F(DisplayPresentAndGetFrameFencesTest, returnsNoFencesOnGpuDisplay) {
 }
 
 TEST_F(DisplayPresentAndGetFrameFencesTest, returnsPresentAndLayerFences) {
-    sp<Fence> presentFence = new Fence();
-    sp<Fence> layer1Fence = new Fence();
-    sp<Fence> layer2Fence = new Fence();
+    sp<Fence> presentFence = sp<Fence>::make();
+    sp<Fence> layer1Fence = sp<Fence>::make();
+    sp<Fence> layer2Fence = sp<Fence>::make();
 
     EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _, _))
             .Times(1);
@@ -1046,8 +1046,8 @@ struct DisplayFunctionalTest : public testing::Test {
     NiceMock<android::mock::HWComposer> mHwComposer;
     NiceMock<Hwc2::mock::PowerAdvisor> mPowerAdvisor;
     NiceMock<mock::CompositionEngine> mCompositionEngine;
-    sp<mock::NativeWindow> mNativeWindow = new NiceMock<mock::NativeWindow>();
-    sp<mock::DisplaySurface> mDisplaySurface = new NiceMock<mock::DisplaySurface>();
+    sp<mock::NativeWindow> mNativeWindow = sp<NiceMock<mock::NativeWindow>>::make();
+    sp<mock::DisplaySurface> mDisplaySurface = sp<NiceMock<mock::DisplaySurface>>::make();
     std::shared_ptr<Display> mDisplay;
     impl::RenderSurface* mRenderSurface;
 
diff --git a/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp b/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
index 00eafb15f5..cf72e8f8de 100644
--- a/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
@@ -22,64 +22,172 @@
 namespace android::compositionengine {
 namespace {
 
-class TestableHwcBufferCache : public impl::HwcBufferCache {
-public:
-    void getHwcBuffer(int slot, const sp<GraphicBuffer>& buffer, uint32_t* outSlot,
-                      sp<GraphicBuffer>* outBuffer) {
-        HwcBufferCache::getHwcBuffer(slot, buffer, outSlot, outBuffer);
-    }
-};
+using impl::HwcBufferCache;
+using impl::HwcSlotAndBuffer;
 
 class HwcBufferCacheTest : public testing::Test {
 public:
     ~HwcBufferCacheTest() override = default;
 
-    void testSlot(const int inSlot, const uint32_t expectedSlot) {
-        uint32_t outSlot;
-        sp<GraphicBuffer> outBuffer;
-
-        // The first time, the output  is the same as the input
-        mCache.getHwcBuffer(inSlot, mBuffer1, &outSlot, &outBuffer);
-        EXPECT_EQ(expectedSlot, outSlot);
-        EXPECT_EQ(mBuffer1, outBuffer);
-
-        // The second time with the same buffer, the outBuffer is nullptr.
-        mCache.getHwcBuffer(inSlot, mBuffer1, &outSlot, &outBuffer);
-        EXPECT_EQ(expectedSlot, outSlot);
-        EXPECT_EQ(nullptr, outBuffer.get());
-
-        // With a new buffer, the outBuffer is the input.
-        mCache.getHwcBuffer(inSlot, mBuffer2, &outSlot, &outBuffer);
-        EXPECT_EQ(expectedSlot, outSlot);
-        EXPECT_EQ(mBuffer2, outBuffer);
-
-        // Again, the second request with the same buffer sets outBuffer to nullptr.
-        mCache.getHwcBuffer(inSlot, mBuffer2, &outSlot, &outBuffer);
-        EXPECT_EQ(expectedSlot, outSlot);
-        EXPECT_EQ(nullptr, outBuffer.get());
-
-        // Setting a slot to use nullptr lookslike works, but note that
-        // the output values make it look like no new buffer is being set....
-        mCache.getHwcBuffer(inSlot, sp<GraphicBuffer>(), &outSlot, &outBuffer);
-        EXPECT_EQ(expectedSlot, outSlot);
-        EXPECT_EQ(nullptr, outBuffer.get());
+    sp<GraphicBuffer> mBuffer1 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    sp<GraphicBuffer> mBuffer2 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+};
+
+TEST_F(HwcBufferCacheTest, getHwcSlotAndBuffer_returnsUniqueSlotNumberForEachBuffer) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer slotAndBufferFor1 = cache.getHwcSlotAndBuffer(mBuffer1);
+    EXPECT_NE(slotAndBufferFor1.slot, UINT32_MAX);
+    EXPECT_EQ(slotAndBufferFor1.buffer, mBuffer1);
+
+    HwcSlotAndBuffer slotAndBufferFor2 = cache.getHwcSlotAndBuffer(mBuffer2);
+    EXPECT_NE(slotAndBufferFor2.slot, slotAndBufferFor1.slot);
+    EXPECT_NE(slotAndBufferFor2.slot, UINT32_MAX);
+    EXPECT_EQ(slotAndBufferFor2.buffer, mBuffer2);
+}
+
+TEST_F(HwcBufferCacheTest, getHwcSlotAndBuffer_whenCached_returnsSameSlotNumberAndNullBuffer) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer originalSlotAndBuffer = cache.getHwcSlotAndBuffer(mBuffer1);
+    EXPECT_NE(originalSlotAndBuffer.slot, UINT32_MAX);
+    EXPECT_EQ(originalSlotAndBuffer.buffer, mBuffer1);
+
+    HwcSlotAndBuffer finalSlotAndBuffer = cache.getHwcSlotAndBuffer(mBuffer1);
+    EXPECT_EQ(finalSlotAndBuffer.slot, originalSlotAndBuffer.slot);
+    EXPECT_EQ(finalSlotAndBuffer.buffer, nullptr);
+}
+
+TEST_F(HwcBufferCacheTest, getHwcSlotAndBuffer_whenSlotsFull_evictsOldestCachedBuffer) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    sp<GraphicBuffer> graphicBuffers[100];
+    HwcSlotAndBuffer slotsAndBuffers[100];
+    int finalCachedBufferIndex = 0;
+    for (int i = 0; i < 100; ++i) {
+        graphicBuffers[i] = sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+        slotsAndBuffers[i] = cache.getHwcSlotAndBuffer(graphicBuffers[i]);
+        // we fill up the cache when the slot number for the first buffer is reused
+        if (i > 0 && slotsAndBuffers[i].slot == slotsAndBuffers[0].slot) {
+            finalCachedBufferIndex = i;
+            break;
+        }
     }
+    ASSERT_GT(finalCachedBufferIndex, 1);
+    // the final cached buffer has the same slot value as the oldest buffer
+    EXPECT_EQ(slotsAndBuffers[finalCachedBufferIndex].slot, slotsAndBuffers[0].slot);
+    // the oldest buffer is no longer in the cache because it was evicted
+    EXPECT_EQ(cache.uncache(graphicBuffers[0]->getId()), UINT32_MAX);
+}
 
-    impl::HwcBufferCache mCache;
-    sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-};
+TEST_F(HwcBufferCacheTest, uncache_whenCached_returnsSlotNumber) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer slotAndBufferFor1 = cache.getHwcSlotAndBuffer(mBuffer1);
+    ASSERT_NE(slotAndBufferFor1.slot, UINT32_MAX);
 
-TEST_F(HwcBufferCacheTest, cacheWorksForSlotZero) {
-    testSlot(0, 0);
+    HwcSlotAndBuffer slotAndBufferFor2 = cache.getHwcSlotAndBuffer(mBuffer2);
+    ASSERT_NE(slotAndBufferFor2.slot, UINT32_MAX);
+
+    // the 1st buffer should be found in the cache with a slot number
+    EXPECT_EQ(cache.uncache(mBuffer1->getId()), slotAndBufferFor1.slot);
+    // since the 1st buffer has been previously uncached, we should no longer receive a slot number
+    EXPECT_EQ(cache.uncache(mBuffer1->getId()), UINT32_MAX);
+    // the 2nd buffer should be still found in the cache with a slot number
+    EXPECT_EQ(cache.uncache(mBuffer2->getId()), slotAndBufferFor2.slot);
+    // since the 2nd buffer has been previously uncached, we should no longer receive a slot number
+    EXPECT_EQ(cache.uncache(mBuffer2->getId()), UINT32_MAX);
 }
 
-TEST_F(HwcBufferCacheTest, cacheWorksForMaxSlot) {
-    testSlot(BufferQueue::NUM_BUFFER_SLOTS - 1, BufferQueue::NUM_BUFFER_SLOTS - 1);
+TEST_F(HwcBufferCacheTest, uncache_whenUncached_returnsInvalidSlotNumber) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer slotAndBufferFor1 = cache.getHwcSlotAndBuffer(mBuffer1);
+    ASSERT_NE(slotAndBufferFor1.slot, UINT32_MAX);
+
+    EXPECT_EQ(cache.uncache(mBuffer2->getId()), UINT32_MAX);
+}
+
+TEST_F(HwcBufferCacheTest, getHwcSlotAndBufferForOverride_whenCached_returnsSameSlotAndNullBuffer) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer originalSlotAndBuffer = cache.getHwcSlotAndBufferForOverride(mBuffer1);
+    EXPECT_NE(originalSlotAndBuffer.slot, UINT32_MAX);
+    EXPECT_EQ(originalSlotAndBuffer.buffer, mBuffer1);
+
+    HwcSlotAndBuffer finalSlotAndBuffer = cache.getHwcSlotAndBufferForOverride(mBuffer1);
+    EXPECT_EQ(finalSlotAndBuffer.slot, originalSlotAndBuffer.slot);
+    EXPECT_EQ(finalSlotAndBuffer.buffer, nullptr);
+}
+
+TEST_F(HwcBufferCacheTest, getHwcSlotAndBufferForOverride_whenSlotsFull_returnsIndependentSlot) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    sp<GraphicBuffer> graphicBuffers[100];
+    HwcSlotAndBuffer slotsAndBuffers[100];
+    int finalCachedBufferIndex = -1;
+    for (int i = 0; i < 100; ++i) {
+        graphicBuffers[i] = sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+        slotsAndBuffers[i] = cache.getHwcSlotAndBuffer(graphicBuffers[i]);
+        // we fill up the cache when the slot number for the first buffer is reused
+        if (i > 0 && slotsAndBuffers[i].slot == slotsAndBuffers[0].slot) {
+            finalCachedBufferIndex = i;
+            break;
+        }
+    }
+    // expect to have cached at least a few buffers before evicting
+    ASSERT_GT(finalCachedBufferIndex, 1);
+
+    sp<GraphicBuffer> overrideBuffer =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    HwcSlotAndBuffer overrideSlotAndBuffer = cache.getHwcSlotAndBufferForOverride(overrideBuffer);
+    // expect us to have a slot number
+    EXPECT_NE(overrideSlotAndBuffer.slot, UINT32_MAX);
+    // expect this to be the first time we cached the buffer
+    EXPECT_NE(overrideSlotAndBuffer.buffer, nullptr);
+
+    // expect the slot number to not equal any other slot number, even after the slots have been
+    // exhausted, indicating that the override buffer slot is independent from the slots for
+    // non-override buffers
+    for (int i = 0; i < finalCachedBufferIndex; ++i) {
+        EXPECT_NE(overrideSlotAndBuffer.slot, slotsAndBuffers[i].slot);
+    }
+    // the override buffer is independently uncached from the oldest cached buffer
+    // expect to find the override buffer still in the override buffer slot
+    EXPECT_EQ(cache.uncache(overrideBuffer->getId()), overrideSlotAndBuffer.slot);
+    // expect that the first buffer was not evicted from the cache when the override buffer was
+    // cached
+    EXPECT_EQ(cache.uncache(graphicBuffers[1]->getId()), slotsAndBuffers[1].slot);
 }
 
-TEST_F(HwcBufferCacheTest, cacheMapsNegativeSlotToZero) {
-    testSlot(-123, 0);
+TEST_F(HwcBufferCacheTest, uncache_whenOverrideCached_returnsSlotNumber) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer hwcSlotAndBuffer = cache.getHwcSlotAndBufferForOverride(mBuffer1);
+    ASSERT_NE(hwcSlotAndBuffer.slot, UINT32_MAX);
+
+    EXPECT_EQ(cache.uncache(mBuffer1->getId()), hwcSlotAndBuffer.slot);
+    EXPECT_EQ(cache.uncache(mBuffer1->getId()), UINT32_MAX);
+}
+
+TEST_F(HwcBufferCacheTest, uncache_whenOverrideUncached_returnsInvalidSlotNumber) {
+    HwcBufferCache cache;
+    sp<GraphicBuffer> outBuffer;
+
+    HwcSlotAndBuffer hwcSlotAndBuffer = cache.getHwcSlotAndBufferForOverride(mBuffer1);
+    ASSERT_NE(hwcSlotAndBuffer.slot, UINT32_MAX);
+
+    EXPECT_EQ(cache.uncache(mBuffer2->getId()), UINT32_MAX);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index d7704a893d..33caa7a9b8 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -70,6 +70,7 @@ public:
     MOCK_METHOD1(disconnectDisplay, void(HalDisplayId));
     MOCK_CONST_METHOD1(hasDeviceComposition, bool(const std::optional<DisplayId>&));
     MOCK_CONST_METHOD1(getPresentFence, sp<Fence>(HalDisplayId));
+    MOCK_METHOD(nsecs_t, getPresentTimestamp, (PhysicalDisplayId), (const, override));
     MOCK_CONST_METHOD2(getLayerReleaseFence, sp<Fence>(HalDisplayId, HWC2::Layer*));
     MOCK_METHOD3(setOutputBuffer,
                  status_t(HalVirtualDisplayId, const sp<Fence>&, const sp<GraphicBuffer>&));
@@ -138,6 +139,8 @@ public:
     MOCK_METHOD(Hwc2::AidlTransform, getPhysicalDisplayOrientation, (PhysicalDisplayId),
                 (const, override));
     MOCK_METHOD(bool, getValidateSkipped, (HalDisplayId), (const, override));
+    MOCK_METHOD(const aidl::android::hardware::graphics::composer3::OverlayProperties&,
+                getOverlaySupport, (), (const, override));
 };
 
 } // namespace mock
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
index c8bd5e436c..c555b39db1 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
@@ -34,11 +34,11 @@ public:
     MOCK_METHOD(void, setExpensiveRenderingExpected, (DisplayId displayId, bool expected),
                 (override));
     MOCK_METHOD(bool, isUsingExpensiveRendering, (), (override));
-    MOCK_METHOD(void, notifyDisplayUpdateImminent, (), (override));
+    MOCK_METHOD(void, notifyDisplayUpdateImminentAndCpuReset, (), (override));
     MOCK_METHOD(bool, usePowerHintSession, (), (override));
     MOCK_METHOD(bool, supportsPowerHintSession, (), (override));
     MOCK_METHOD(bool, isPowerHintSessionRunning, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
     MOCK_METHOD(void, sendActualWorkDuration, (), (override));
     MOCK_METHOD(void, sendPredictedWorkDuration, (), (override));
     MOCK_METHOD(void, enablePowerHint, (bool enabled), (override));
@@ -46,25 +46,24 @@ public:
     MOCK_METHOD(void, setGpuFenceTime,
                 (DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime), (override));
     MOCK_METHOD(void, setHwcValidateTiming,
-                (DisplayId displayId, nsecs_t valiateStartTime, nsecs_t validateEndTime),
+                (DisplayId displayId, TimePoint validateStartTime, TimePoint validateEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentTiming,
-                (DisplayId displayId, nsecs_t presentStartTime, nsecs_t presentEndTime),
+                (DisplayId displayId, TimePoint presentStartTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setSkippedValidate, (DisplayId displayId, bool skipped), (override));
     MOCK_METHOD(void, setRequiresClientComposition,
                 (DisplayId displayId, bool requiresClientComposition), (override));
-    MOCK_METHOD(void, setExpectedPresentTime, (nsecs_t expectedPresentTime), (override));
-    MOCK_METHOD(void, setSfPresentTiming, (nsecs_t presentFenceTime, nsecs_t presentEndTime),
+    MOCK_METHOD(void, setExpectedPresentTime, (TimePoint expectedPresentTime), (override));
+    MOCK_METHOD(void, setSfPresentTiming, (TimePoint presentFenceTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentDelayedTime,
-                (DisplayId displayId,
-                 std::chrono::steady_clock::time_point earliestFrameStartTime));
-    MOCK_METHOD(void, setFrameDelay, (nsecs_t frameDelayDuration), (override));
-    MOCK_METHOD(void, setCommitStart, (nsecs_t commitStartTime), (override));
-    MOCK_METHOD(void, setCompositeEnd, (nsecs_t compositeEndtime), (override));
+                (DisplayId displayId, TimePoint earliestFrameStartTime));
+    MOCK_METHOD(void, setFrameDelay, (Duration frameDelayDuration), (override));
+    MOCK_METHOD(void, setCommitStart, (TimePoint commitStartTime), (override));
+    MOCK_METHOD(void, setCompositeEnd, (TimePoint compositeEndTime), (override));
     MOCK_METHOD(void, setDisplays, (std::vector<DisplayId> & displayIds), (override));
-    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (Duration targetDuration), (override));
 };
 
 } // namespace mock
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index 5290bd9cba..03cf2927af 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -774,7 +774,7 @@ struct OutputLayerWriteStateToHWCTest : public OutputLayerTest {
     static constexpr ui::Dataspace kOverrideDataspace = static_cast<ui::Dataspace>(72);
     static constexpr int kSupportedPerFrameMetadata = 101;
     static constexpr int kExpectedHwcSlot = 0;
-    static constexpr int kOverrideHwcSlot = impl::HwcBufferCache::FLATTENER_CACHING_SLOT;
+    static constexpr int kOverrideHwcSlot = impl::HwcBufferCache::kOverrideBufferSlot;
     static constexpr bool kLayerGenericMetadata1Mandatory = true;
     static constexpr bool kLayerGenericMetadata2Mandatory = true;
     static constexpr float kWhitePointNits = 200.f;
@@ -823,7 +823,6 @@ struct OutputLayerWriteStateToHWCTest : public OutputLayerTest {
         mLayerFEState.hdrMetadata = kHdrMetadata;
         mLayerFEState.sidebandStream = NativeHandle::create(kSidebandStreamHandle, false);
         mLayerFEState.buffer = kBuffer;
-        mLayerFEState.bufferSlot = BufferQueue::INVALID_BUFFER_SLOT;
         mLayerFEState.acquireFence = kFence;
 
         mOutputState.displayBrightnessNits = kDisplayBrightnessNits;
@@ -955,11 +954,11 @@ native_handle_t* OutputLayerWriteStateToHWCTest::kSidebandStreamHandle =
         reinterpret_cast<native_handle_t*>(1031);
 const sp<GraphicBuffer> OutputLayerWriteStateToHWCTest::kBuffer;
 const sp<GraphicBuffer> OutputLayerWriteStateToHWCTest::kOverrideBuffer =
-        new GraphicBuffer(4, 5, PIXEL_FORMAT_RGBA_8888,
-                          AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
-                                  AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN);
+        sp<GraphicBuffer>::make(4, 5, PIXEL_FORMAT_RGBA_8888,
+                                AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
+                                        AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN);
 const sp<Fence> OutputLayerWriteStateToHWCTest::kFence;
-const sp<Fence> OutputLayerWriteStateToHWCTest::kOverrideFence = new Fence();
+const sp<Fence> OutputLayerWriteStateToHWCTest::kOverrideFence = sp<Fence>::make();
 const std::string OutputLayerWriteStateToHWCTest::kLayerGenericMetadata1Key =
         "com.example.metadata.1";
 const std::vector<uint8_t> OutputLayerWriteStateToHWCTest::kLayerGenericMetadata1Value{{1, 2, 3}};
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index cf12890310..bfd863b88a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -39,7 +39,6 @@
 #include "CallOrderStateMachineHelper.h"
 #include "MockHWC2.h"
 #include "RegionMatcher.h"
-#include "TestUtils.h"
 
 namespace android::compositionengine {
 namespace {
@@ -293,7 +292,7 @@ TEST_F(OutputTest, setLayerCachingEnabled_disablesCachingAndResetsOverrideInfo)
     InjectedLayer layer;
     layer.outputLayerState.overrideInfo.buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), renderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), renderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     injectOutputLayer(layer);
@@ -759,56 +758,6 @@ TEST_F(OutputSetReleasedLayersTest, setReleasedLayersTakesGivenLayers) {
 }
 
 /*
- * Output::updateLayerStateFromFE()
- */
-
-using OutputUpdateLayerStateFromFETest = OutputTest;
-
-TEST_F(OutputUpdateLayerStateFromFETest, handlesNoOutputLayerCase) {
-    CompositionRefreshArgs refreshArgs;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-TEST_F(OutputUpdateLayerStateFromFETest, preparesContentStateForAllContainedLayers) {
-    InjectedLayer layer1;
-    InjectedLayer layer2;
-    InjectedLayer layer3;
-
-    EXPECT_CALL(*layer1.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-    EXPECT_CALL(*layer2.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-    EXPECT_CALL(*layer3.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-
-    injectOutputLayer(layer1);
-    injectOutputLayer(layer2);
-    injectOutputLayer(layer3);
-
-    CompositionRefreshArgs refreshArgs;
-    refreshArgs.updatingGeometryThisFrame = false;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-TEST_F(OutputUpdateLayerStateFromFETest, preparesGeometryAndContentStateForAllContainedLayers) {
-    InjectedLayer layer1;
-    InjectedLayer layer2;
-    InjectedLayer layer3;
-
-    EXPECT_CALL(*layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-    EXPECT_CALL(*layer2.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-    EXPECT_CALL(*layer3.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-
-    injectOutputLayer(layer1);
-    injectOutputLayer(layer2);
-    injectOutputLayer(layer3);
-
-    CompositionRefreshArgs refreshArgs;
-    refreshArgs.updatingGeometryThisFrame = true;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-/*
  * Output::updateAndWriteCompositionState()
  */
 
@@ -1017,7 +966,7 @@ TEST_F(OutputUpdateAndWriteCompositionStateTest, peekThroughLayerChangesOrder) {
 
     std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), renderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), renderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     layer1.outputLayerState.overrideInfo.buffer = buffer;
@@ -1243,14 +1192,49 @@ struct OutputPrepareTest : public testing::Test {
                           compositionengine::LayerFESet&));
     };
 
+    OutputPrepareTest() {
+        EXPECT_CALL(mOutput, getOutputLayerCount()).WillRepeatedly(Return(2u));
+        EXPECT_CALL(mOutput, getOutputLayerOrderedByZByIndex(0))
+                .WillRepeatedly(Return(&mLayer1.outputLayer));
+        EXPECT_CALL(mOutput, getOutputLayerOrderedByZByIndex(1))
+                .WillRepeatedly(Return(&mLayer2.outputLayer));
+
+        mRefreshArgs.layers.push_back(mLayer1.layerFE);
+        mRefreshArgs.layers.push_back(mLayer2.layerFE);
+    }
+
+    struct Layer {
+        StrictMock<mock::OutputLayer> outputLayer;
+        sp<StrictMock<mock::LayerFE>> layerFE = sp<StrictMock<mock::LayerFE>>::make();
+    };
+
     StrictMock<OutputPartialMock> mOutput;
     CompositionRefreshArgs mRefreshArgs;
     LayerFESet mGeomSnapshots;
+    Layer mLayer1;
+    Layer mLayer2;
 };
 
-TEST_F(OutputPrepareTest, justInvokesRebuildLayerStacks) {
+TEST_F(OutputPrepareTest, callsUncacheBuffersOnEachOutputLayerAndThenRebuildsLayerStacks) {
+    InSequence seq;
+
+    mRefreshArgs.bufferIdsToUncache = {1, 3, 5};
+
+    EXPECT_CALL(mOutput, rebuildLayerStacks(Ref(mRefreshArgs), Ref(mGeomSnapshots)));
+    EXPECT_CALL(mLayer1.outputLayer, uncacheBuffers(Ref(mRefreshArgs.bufferIdsToUncache)));
+    EXPECT_CALL(mLayer2.outputLayer, uncacheBuffers(Ref(mRefreshArgs.bufferIdsToUncache)));
+
+    mOutput.prepare(mRefreshArgs, mGeomSnapshots);
+}
+
+TEST_F(OutputPrepareTest, skipsUncacheBuffersIfEmptyAndThenRebuildsLayerStacks) {
     InSequence seq;
+
+    mRefreshArgs.bufferIdsToUncache = {};
+
     EXPECT_CALL(mOutput, rebuildLayerStacks(Ref(mRefreshArgs), Ref(mGeomSnapshots)));
+    EXPECT_CALL(mLayer1.outputLayer, uncacheBuffers(_)).Times(0);
+    EXPECT_CALL(mLayer2.outputLayer, uncacheBuffers(_)).Times(0);
 
     mOutput.prepare(mRefreshArgs, mGeomSnapshots);
 }
@@ -1537,9 +1521,6 @@ const Region OutputEnsureOutputLayerIfVisibleTest::kTransparentRegionHintNegativ
 
 TEST_F(OutputEnsureOutputLayerIfVisibleTest, performsGeomLatchBeforeCheckingIfLayerIncluded) {
     EXPECT_CALL(mOutput, includesLayer(sp<LayerFE>(mLayer.layerFE))).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer.layerFE,
-                prepareCompositionState(compositionengine::LayerFE::StateSubset::BasicGeometry));
-
     mGeomSnapshots.clear();
 
     ensureOutputLayerIfVisible();
@@ -2135,6 +2116,7 @@ struct OutputUpdateColorProfileTest : public testing::Test {
         mOutput.setDisplayColorProfileForTest(
                 std::unique_ptr<DisplayColorProfile>(mDisplayColorProfile));
         mOutput.setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(mRenderSurface));
+        mOutput.editState().isEnabled = true;
 
         EXPECT_CALL(mOutput, getOutputLayerOrderedByZByIndex(0))
                 .WillRepeatedly(Return(&mLayer1.mOutputLayer));
@@ -3227,7 +3209,6 @@ TEST_F(OutputPostFramebufferTest, ifEnabledMustFlipThenPresentThenSendPresentCom
     // setup below are satisfied in the specific order.
     InSequence seq;
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3250,7 +3231,6 @@ TEST_F(OutputPostFramebufferTest, releaseFencesAreSentToLayerFE) {
     frameFences.layerFences.emplace(&mLayer2.hwc2Layer, layer2Fence);
     frameFences.layerFences.emplace(&mLayer3.hwc2Layer, layer3Fence);
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3284,7 +3264,6 @@ TEST_F(OutputPostFramebufferTest, releaseFencesIncludeClientTargetAcquireFence)
     frameFences.layerFences.emplace(&mLayer2.hwc2Layer, sp<Fence>::make());
     frameFences.layerFences.emplace(&mLayer3.hwc2Layer, sp<Fence>::make());
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3320,7 +3299,6 @@ TEST_F(OutputPostFramebufferTest, releasedLayersSentPresentFence) {
     Output::FrameFences frameFences;
     frameFences.presentFence = presentFence;
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3389,8 +3367,7 @@ struct OutputComposeSurfacesTest : public testing::Test {
 
         EXPECT_CALL(mOutput, getCompositionEngine()).WillRepeatedly(ReturnRef(mCompositionEngine));
         EXPECT_CALL(mCompositionEngine, getRenderEngine()).WillRepeatedly(ReturnRef(mRenderEngine));
-        EXPECT_CALL(mCompositionEngine, getTimeStats())
-                .WillRepeatedly(ReturnRef(*mTimeStats.get()));
+        EXPECT_CALL(mCompositionEngine, getTimeStats()).WillRepeatedly(Return(mTimeStats.get()));
         EXPECT_CALL(*mDisplayColorProfile, getHdrCapabilities())
                 .WillRepeatedly(ReturnRef(kHdrCapabilities));
     }
@@ -3449,7 +3426,7 @@ struct OutputComposeSurfacesTest : public testing::Test {
     StrictMock<OutputPartialMock> mOutput;
     std::shared_ptr<renderengine::ExternalTexture> mOutputBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
 
@@ -3531,9 +3508,8 @@ TEST_F(OutputComposeSurfacesTest, handlesZeroCompositionRequests) {
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
     verify().execute().expectAFenceWasReturned();
 }
@@ -3563,9 +3539,8 @@ TEST_F(OutputComposeSurfacesTest, buildsAndRendersRequestList) {
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3598,9 +3573,8 @@ TEST_F(OutputComposeSurfacesTest,
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3626,10 +3600,8 @@ TEST_F(OutputComposeSurfacesTest, renderDuplicateClientCompositionRequestsWithou
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
             .Times(2)
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))))
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     verify().execute().expectAFenceWasReturned();
     EXPECT_FALSE(mOutput.mState.reusedClientComposition);
@@ -3657,8 +3629,7 @@ TEST_F(OutputComposeSurfacesTest, skipDuplicateClientCompositionRequests) {
 
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     EXPECT_CALL(mOutput, setExpensiveRenderingExpected(false));
 
     verify().execute().expectAFenceWasReturned();
@@ -3687,7 +3658,7 @@ TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChanges) {
 
     const auto otherOutputBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_))
@@ -3697,9 +3668,8 @@ TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChanges) {
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3730,11 +3700,9 @@ TEST_F(OutputComposeSurfacesTest, clientCompositionIfRequestChanges) {
 
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r3), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     verify().execute().expectAFenceWasReturned();
     EXPECT_FALSE(mOutput.mState.reusedClientComposition);
@@ -3811,8 +3779,7 @@ struct OutputComposeSurfacesTest_UsesExpectedDisplaySettings : public OutputComp
           : public CallOrderStateMachineHelper<TestType, ExpectDisplaySettingsState> {
         auto thenExpectDisplaySettingsUsed(renderengine::DisplaySettings settings) {
             EXPECT_CALL(getInstance()->mRenderEngine, drawLayers(settings, _, _, false, _))
-                    .WillOnce(Return(ByMove(futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()}))));
+                    .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
             return nextState<ExecuteState>();
         }
     };
@@ -4065,53 +4032,23 @@ struct OutputComposeSurfacesTest_HandlesProtectedContent : public OutputComposeS
                 .WillRepeatedly(Return());
         EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
         EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-                .WillRepeatedly(
-                        [&](const renderengine::DisplaySettings&,
-                            const std::vector<renderengine::LayerSettings>&,
-                            const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                            base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
-                            return futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
-                        });
+                .WillRepeatedly([&](const renderengine::DisplaySettings&,
+                                    const std::vector<renderengine::LayerSettings>&,
+                                    const std::shared_ptr<renderengine::ExternalTexture>&,
+                                    const bool, base::unique_fd&&) -> ftl::Future<FenceResult> {
+                    return ftl::yield<FenceResult>(Fence::NO_FENCE);
+                });
     }
 
     Layer mLayer1;
     Layer mLayer2;
 };
 
-TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifDisplayIsNotSecure) {
-    mOutput.mState.isSecure = false;
-    mLayer2.mLayerFEState.hasProtectedContent = true;
-    EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(false));
-
-    base::unique_fd fd;
-    std::shared_ptr<renderengine::ExternalTexture> tex;
-    mOutput.updateProtectedContentState();
-    mOutput.dequeueRenderBuffer(&fd, &tex);
-    mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs, tex, fd);
-}
-
-TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifRenderEngineDoesNotSupportIt) {
-    mOutput.mState.isSecure = true;
-    mLayer2.mLayerFEState.hasProtectedContent = true;
-    EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(false));
-
-    base::unique_fd fd;
-    std::shared_ptr<renderengine::ExternalTexture> tex;
-    mOutput.updateProtectedContentState();
-    mOutput.dequeueRenderBuffer(&fd, &tex);
-    mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs, tex, fd);
-}
-
 TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifNoProtectedContentLayers) {
     mOutput.mState.isSecure = true;
     mLayer2.mLayerFEState.hasProtectedContent = false;
     EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true)).WillOnce(Return(false));
     EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(true));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(false));
     EXPECT_CALL(*mRenderSurface, setProtected(false));
 
     base::unique_fd fd;
@@ -4129,16 +4066,12 @@ TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifNotEnabled) {
     // For this test, we also check the call order of key functions.
     InSequence seq;
 
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(false));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(true));
     EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(false));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true));
     EXPECT_CALL(*mRenderSurface, setProtected(true));
     // Must happen after setting the protected content state.
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     base::unique_fd fd;
     std::shared_ptr<renderengine::ExternalTexture> tex;
@@ -4151,7 +4084,6 @@ TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifAlreadyEnabledEveryw
     mOutput.mState.isSecure = true;
     mLayer2.mLayerFEState.hasProtectedContent = true;
     EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true));
     EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(true));
 
     base::unique_fd fd;
@@ -4161,43 +4093,11 @@ TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifAlreadyEnabledEveryw
     mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs, tex, fd);
 }
 
-TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifFailsToEnableInRenderEngine) {
-    mOutput.mState.isSecure = true;
-    mLayer2.mLayerFEState.hasProtectedContent = true;
-    EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(false)).WillOnce(Return(false));
-    EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(false));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(true));
-
-    base::unique_fd fd;
-    std::shared_ptr<renderengine::ExternalTexture> tex;
-    mOutput.updateProtectedContentState();
-    mOutput.dequeueRenderBuffer(&fd, &tex);
-    mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs, tex, fd);
-}
-
-TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifAlreadyEnabledInRenderEngine) {
-    mOutput.mState.isSecure = true;
-    mLayer2.mLayerFEState.hasProtectedContent = true;
-    EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(true)).WillOnce(Return(true));
-    EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(false));
-    EXPECT_CALL(*mRenderSurface, setProtected(true));
-
-    base::unique_fd fd;
-    std::shared_ptr<renderengine::ExternalTexture> tex;
-    mOutput.updateProtectedContentState();
-    mOutput.dequeueRenderBuffer(&fd, &tex);
-    mOutput.composeSurfaces(kDebugRegion, kDefaultRefreshArgs, tex, fd);
-}
-
 TEST_F(OutputComposeSurfacesTest_HandlesProtectedContent, ifAlreadyEnabledInRenderSurface) {
     mOutput.mState.isSecure = true;
     mLayer2.mLayerFEState.hasProtectedContent = true;
     EXPECT_CALL(mRenderEngine, supportsProtectedContent()).WillRepeatedly(Return(true));
-    EXPECT_CALL(mRenderEngine, isProtected).WillOnce(Return(false));
     EXPECT_CALL(*mRenderSurface, isProtected).WillOnce(Return(true));
-    EXPECT_CALL(mRenderEngine, useProtectedContext(true));
 
     base::unique_fd fd;
     std::shared_ptr<renderengine::ExternalTexture> tex;
@@ -4230,8 +4130,7 @@ TEST_F(OutputComposeSurfacesTest_SetsExpensiveRendering, IfExepensiveOutputDatas
 
     EXPECT_CALL(mOutput, setExpensiveRenderingExpected(true));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     base::unique_fd fd;
     std::shared_ptr<renderengine::ExternalTexture> tex;
@@ -4254,8 +4153,7 @@ struct OutputComposeSurfacesTest_SetsExpensiveRendering_ForBlur
         EXPECT_CALL(mOutput, generateClientCompositionRequests(_, kDefaultOutputDataspace, _))
                 .WillOnce(Return(std::vector<LayerFE::LayerSettings>{}));
         EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-                .WillOnce(Return(ByMove(futureOf<renderengine::RenderEngineResult>(
-                        {NO_ERROR, base::unique_fd()}))));
+                .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
         EXPECT_CALL(mOutput, getOutputLayerCount()).WillRepeatedly(Return(1u));
         EXPECT_CALL(mOutput, getOutputLayerOrderedByZByIndex(0u))
                 .WillRepeatedly(Return(&mLayer.outputLayer));
@@ -4312,6 +4210,8 @@ struct GenerateClientCompositionRequestsTest : public testing::Test {
 
     struct Layer {
         Layer() {
+            EXPECT_CALL(mOutputLayer, getOverrideCompositionSettings())
+                    .WillRepeatedly(Return(std::nullopt));
             EXPECT_CALL(mOutputLayer, getState()).WillRepeatedly(ReturnRef(mOutputLayerState));
             EXPECT_CALL(mOutputLayer, editState()).WillRepeatedly(ReturnRef(mOutputLayerState));
             EXPECT_CALL(mOutputLayer, getLayerFE()).WillRepeatedly(ReturnRef(*mLayerFE));
@@ -4409,23 +4309,18 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, requiresVisibleRegionA
 }
 
 TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, gathersClientCompositionRequests) {
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[1].mLayerSettings})));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[1].mLayerSettings)));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(3u, requests.size());
+    ASSERT_EQ(2u, requests.size());
     EXPECT_EQ(mLayers[1].mLayerSettings, requests[0]);
-    EXPECT_EQ(mShadowSettings, requests[1]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[2]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
 
     // Check that a timestamp was set for the layers that generated requests
     EXPECT_TRUE(0 == mLayers[0].mOutputLayerState.clientCompositionTimestamp);
@@ -4442,27 +4337,21 @@ MATCHER_P(ClientCompositionTargetSettingsBlurSettingsEq, expectedBlurSetting, ""
 }
 
 TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, overridesBlur) {
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
     mLayers[2].mOutputLayerState.overrideInfo.disableBackgroundBlur = true;
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[1].mLayerSettings})));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[1].mLayerSettings)));
     EXPECT_CALL(*mLayers[2].mLayerFE,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly)))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
-
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(3u, requests.size());
+    ASSERT_EQ(2u, requests.size());
     EXPECT_EQ(mLayers[1].mLayerSettings, requests[0]);
-    EXPECT_EQ(mShadowSettings, requests[1]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[2]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
 
     // Check that a timestamp was set for the layers that generated requests
     EXPECT_TRUE(0 == mLayers[0].mOutputLayerState.clientCompositionTimestamp);
@@ -4484,8 +4373,8 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
     mLayers[1].mLayerFEState.isOpaque = true;
     mLayers[2].mLayerFEState.isOpaque = true;
 
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4507,8 +4396,8 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
     mLayers[1].mLayerFEState.isOpaque = false;
     mLayers[2].mLayerFEState.isOpaque = false;
 
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4546,6 +4435,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, clearsHWCLayersIfOpaqu
             true /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(kDisplayFrame),
@@ -4558,6 +4448,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, clearsHWCLayersIfOpaqu
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
     LayerFE::LayerSettings mBlackoutSettings = mLayers[1].mLayerSettings;
@@ -4566,10 +4457,10 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, clearsHWCLayersIfOpaqu
     mBlackoutSettings.alpha = 0.f;
     mBlackoutSettings.disableBlending = true;
 
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mBlackoutSettings})));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mBlackoutSettings)));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4598,6 +4489,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer1TargetSettings{
             Region(Rect(0, 0, 30, 30)),
@@ -4610,6 +4502,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(Rect(0, 0, 40, 201)),
@@ -4622,14 +4515,15 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4652,6 +4546,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer1TargetSettings{
             Region(kDisplayFrame),
@@ -4664,6 +4559,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(kDisplayFrame),
@@ -4676,14 +4572,15 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4706,6 +4603,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer1TargetSettings{
             Region(kDisplayFrame),
@@ -4718,6 +4616,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(kDisplayFrame),
@@ -4730,14 +4629,15 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4759,6 +4659,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer1TargetSettings{
             Region(kDisplayFrame),
@@ -4771,6 +4672,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(kDisplayFrame),
@@ -4783,14 +4685,15 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4810,6 +4713,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer1TargetSettings{
             Region(kDisplayFrame),
@@ -4822,6 +4726,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
     compositionengine::LayerFE::ClientCompositionTargetSettings layer2TargetSettings{
             Region(kDisplayFrame),
@@ -4834,14 +4739,15 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(mOutput.generateClientCompositionRequestsHelper(true /* supportsProtectedContent */,
                                                                 kDisplayDataspace));
@@ -5018,12 +4924,13 @@ TEST_F(GenerateClientCompositionRequestsTest, handlesLandscapeModeSplitScreenReq
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
     EXPECT_CALL(leftLayer.mOutputLayer, requiresClientComposition()).WillRepeatedly(Return(true));
     EXPECT_CALL(leftLayer.mOutputLayer, needsFiltering()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*leftLayer.mLayerFE, prepareClientCompositionList(Eq(ByRef(leftLayerSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({leftLayer.mLayerSettings})));
+    EXPECT_CALL(*leftLayer.mLayerFE, prepareClientComposition(Eq(ByRef(leftLayerSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(leftLayer.mLayerSettings)));
 
     compositionengine::LayerFE::ClientCompositionTargetSettings rightLayerSettings{
             Region(Rect(1000, 0, 2000, 1000)),
@@ -5036,12 +4943,13 @@ TEST_F(GenerateClientCompositionRequestsTest, handlesLandscapeModeSplitScreenReq
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
     EXPECT_CALL(rightLayer.mOutputLayer, requiresClientComposition()).WillRepeatedly(Return(true));
     EXPECT_CALL(rightLayer.mOutputLayer, needsFiltering()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*rightLayer.mLayerFE, prepareClientCompositionList(Eq(ByRef(rightLayerSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({rightLayer.mLayerSettings})));
+    EXPECT_CALL(*rightLayer.mLayerFE, prepareClientComposition(Eq(ByRef(rightLayerSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(rightLayer.mLayerSettings)));
 
     constexpr bool supportsProtectedContent = true;
     auto requests =
@@ -5069,6 +4977,7 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
     LayerFE::LayerSettings mShadowSettings;
@@ -5079,8 +4988,8 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
 
     EXPECT_CALL(mLayers[0].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mLayers[1].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2Settings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mShadowSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2Settings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mShadowSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -5097,9 +5006,6 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
     const Region kPartialContentWithPartialShadowRegion =
             Region(kContentWithShadow).subtract(Rect(40, 40, 50, 80));
 
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
     mLayers[2].mOutputLayerState.visibleRegion = kPartialContentWithPartialShadowRegion;
     mLayers[2].mOutputLayerState.shadowRegion = kShadowRegion;
 
@@ -5114,20 +5020,19 @@ TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers,
             false /* clearContent */,
             compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
             kLayerWhitePointNits,
+            false /* treat170mAsSrgb */,
     };
 
     EXPECT_CALL(mLayers[0].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mLayers[1].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2Settings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2Settings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(2u, requests.size());
+    ASSERT_EQ(1u, requests.size());
 
-    EXPECT_EQ(mShadowSettings, requests[0]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[0]);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp b/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
index e5f9ebfbeb..83937a679e 100644
--- a/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
@@ -61,8 +61,8 @@ public:
     StrictMock<renderengine::mock::RenderEngine> mRenderEngine;
     StrictMock<mock::CompositionEngine> mCompositionEngine;
     StrictMock<mock::Display> mDisplay;
-    sp<mock::NativeWindow> mNativeWindow = new StrictMock<mock::NativeWindow>();
-    sp<mock::DisplaySurface> mDisplaySurface = new StrictMock<mock::DisplaySurface>();
+    sp<mock::NativeWindow> mNativeWindow = sp<StrictMock<mock::NativeWindow>>::make();
+    sp<mock::DisplaySurface> mDisplaySurface = sp<StrictMock<mock::DisplaySurface>>::make();
     impl::RenderSurface mSurface{mCompositionEngine, mDisplay,
                                  RenderSurfaceCreationArgsBuilder()
                                          .setDisplayWidth(DEFAULT_DISPLAY_WIDTH)
@@ -109,7 +109,7 @@ TEST_F(RenderSurfaceTest, sizeReturnsConstructedSize) {
  */
 
 TEST_F(RenderSurfaceTest, getClientTargetAcquireFenceForwardsCall) {
-    sp<Fence> fence = new Fence();
+    sp<Fence> fence = sp<Fence>::make();
 
     EXPECT_CALL(*mDisplaySurface, getClientTargetAcquireFence()).WillOnce(ReturnRef(fence));
 
@@ -234,7 +234,7 @@ TEST_F(RenderSurfaceTest, prepareFrameHandlesNoComposition) {
  */
 
 TEST_F(RenderSurfaceTest, dequeueBufferObtainsABuffer) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
 
     EXPECT_CALL(*mNativeWindow, dequeueBuffer(_, _))
             .WillOnce(
@@ -253,7 +253,7 @@ TEST_F(RenderSurfaceTest, dequeueBufferObtainsABuffer) {
 TEST_F(RenderSurfaceTest, queueBufferHandlesNoClientComposition) {
     const auto buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     mSurface.mutableTextureForTest() = buffer;
@@ -271,8 +271,9 @@ TEST_F(RenderSurfaceTest, queueBufferHandlesNoClientComposition) {
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesClientComposition) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -290,8 +291,9 @@ TEST_F(RenderSurfaceTest, queueBufferHandlesClientComposition) {
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequest) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -309,7 +311,7 @@ TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequest) {
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequestWithNoBufferYetDequeued) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
 
     impl::OutputCompositionState state;
     state.usesClientComposition = false;
@@ -329,8 +331,9 @@ TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequestWithNoBufferY
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesNativeWindowQueueBufferFailureOnVirtualDisplay) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -359,17 +362,5 @@ TEST_F(RenderSurfaceTest, onPresentDisplayCompletedForwardsSignal) {
     mSurface.onPresentDisplayCompleted();
 }
 
-/*
- * RenderSurface::flip()
- */
-
-TEST_F(RenderSurfaceTest, flipForwardsSignal) {
-    mSurface.setPageFlipCountForTest(500);
-
-    mSurface.flip();
-
-    EXPECT_EQ(501u, mSurface.getPageFlipCount());
-}
-
 } // namespace
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
index 0e9db369e8..d5d688e705 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
@@ -28,8 +28,6 @@
 #include <utils/Errors.h>
 #include <memory>
 
-#include "tests/TestUtils.h"
-
 namespace android::compositionengine {
 using namespace std::chrono_literals;
 
@@ -345,19 +343,18 @@ TEST_F(CachedSetTest, renderUnsecureOutput) {
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -365,15 +362,13 @@ TEST_F(CachedSetTest, renderUnsecureOutput) {
         EXPECT_EQ(0.5f, layers[0].alpha);
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
-            .WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
-            .WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = false;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -397,19 +392,18 @@ TEST_F(CachedSetTest, renderSecureOutput) {
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -418,15 +412,13 @@ TEST_F(CachedSetTest, renderSecureOutput) {
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
-            .WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
-            .WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -450,31 +442,30 @@ TEST_F(CachedSetTest, renderWhitePoint) {
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
 
     mOutputState.displayBrightnessNits = 400.f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>&,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>&,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.displayBrightnessNits, displaySettings.targetLuminanceNits);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -501,31 +492,30 @@ TEST_F(CachedSetTest, renderWhitePointNoColorTransform) {
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
 
     mOutputState.displayBrightnessNits = 400.f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>&,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>&,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.displayBrightnessNits, displaySettings.targetLuminanceNits);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, false);
@@ -549,21 +539,20 @@ TEST_F(CachedSetTest, rendersWithOffsetFramebufferContent) {
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
     mOutputState.framebufferSpace = ProjectionSpace(ui::Size(10, 20), Rect(2, 3, 10, 5));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -572,11 +561,11 @@ TEST_F(CachedSetTest, rendersWithOffsetFramebufferContent) {
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
     expectReadyBuffer(cachedSet);
@@ -773,28 +762,27 @@ TEST_F(CachedSetTest, addHolePunch) {
 
     cachedSet.addHolePunchLayerIfFeasible(layer3, true);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
 
-    clientCompList3[0].source.buffer.buffer =
+    clientComp3->source.buffer.buffer =
             std::make_shared<renderengine::mock::FakeExternalTexture>(1U /*width*/, 1U /*height*/,
                                                                       1ULL /* bufferId */,
                                                                       HAL_PIXEL_FORMAT_RGBA_8888,
                                                                       0ULL /*usage*/);
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
-    EXPECT_CALL(*layerFE3, prepareClientCompositionList(_)).WillOnce(Return(clientCompList3));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
+    EXPECT_CALL(*layerFE3, prepareClientComposition(_)).WillOnce(Return(clientComp3));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 4u);
@@ -814,7 +802,7 @@ TEST_F(CachedSetTest, addHolePunch) {
             EXPECT_EQ(1.0f, holePunchBackgroundSettings.alpha);
         }
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
@@ -822,7 +810,7 @@ TEST_F(CachedSetTest, addHolePunch) {
 }
 
 TEST_F(CachedSetTest, addHolePunch_noBuffer) {
-    // Same as addHolePunch, except that clientCompList3 does not contain a
+    // Same as addHolePunch, except that clientComp3 does not contain a
     // buffer. This imitates the case where the buffer had protected content, so
     // BufferLayer did not add it to the LayerSettings. This should not assert.
     mTestLayers[0]->outputLayerCompositionState.displayFrame = Rect(0, 0, 5, 5);
@@ -840,22 +828,21 @@ TEST_F(CachedSetTest, addHolePunch_noBuffer) {
 
     cachedSet.addHolePunchLayerIfFeasible(layer3, true);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
-
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
-    EXPECT_CALL(*layerFE3, prepareClientCompositionList(_)).WillOnce(Return(clientCompList3));
-
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
+
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
+    EXPECT_CALL(*layerFE3, prepareClientComposition(_)).WillOnce(Return(clientComp3));
+
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 4u);
@@ -876,7 +863,7 @@ TEST_F(CachedSetTest, addHolePunch_noBuffer) {
             EXPECT_EQ(1.0f, holePunchBackgroundSettings.alpha);
         }
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
@@ -974,40 +961,39 @@ TEST_F(CachedSetTest, addBlur) {
 
     cachedSet.addBackgroundBlurLayer(layer3);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
 
-    clientCompList3[0].source.buffer.buffer =
+    clientComp3->source.buffer.buffer =
             std::make_shared<renderengine::mock::FakeExternalTexture>(1U /*width*/, 1U /*height*/,
                                                                       1ULL /* bufferId */,
                                                                       HAL_PIXEL_FORMAT_RGBA_8888,
                                                                       0ULL /*usage*/);
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 Enabled)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 Enabled)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(*layerFE3,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 BackgroundBlurOnly)))
-            .WillOnce(Return(clientCompList3));
+            .WillOnce(Return(clientComp3));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 3u);
@@ -1016,7 +1002,7 @@ TEST_F(CachedSetTest, addBlur) {
         EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), blurSettings.source.solidColor);
         EXPECT_EQ(0.0f, blurSettings.alpha);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
index 96021ec104..86cfee6f0a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
@@ -27,8 +27,6 @@
 #include <renderengine/mock/RenderEngine.h>
 #include <chrono>
 
-#include "tests/TestUtils.h"
-
 namespace android::compositionengine {
 using namespace std::chrono_literals;
 using impl::planner::CachedSet;
@@ -108,11 +106,12 @@ void FlattenerTest::SetUp() {
         testLayer->outputLayerCompositionState.visibleRegion =
                 Region(Rect(pos + 1, pos + 1, pos + 2, pos + 2));
 
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                      GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE);
         testLayer->layerFECompositionState.buffer =
-                new GraphicBuffer(100, 100, HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                  GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                          GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE,
-                                  "output");
+                sp<GraphicBuffer>::make(100u, 100u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags,
+                                        "output");
 
         testLayer->layerFE = sp<mock::LayerFE>::make();
 
@@ -123,12 +122,11 @@ void FlattenerTest::SetUp() {
         EXPECT_CALL(*testLayer->layerFE, getCompositionState)
                 .WillRepeatedly(Return(&testLayer->layerFECompositionState));
 
-        std::vector<LayerFE::LayerSettings> clientCompositionList = {
-                LayerFE::LayerSettings{},
-        };
+        std::optional<LayerFE::LayerSettings> clientComposition;
+        clientComposition.emplace();
 
-        EXPECT_CALL(*testLayer->layerFE, prepareClientCompositionList)
-                .WillRepeatedly(Return(clientCompositionList));
+        EXPECT_CALL(*testLayer->layerFE, prepareClientComposition)
+                .WillRepeatedly(Return(clientComposition));
         EXPECT_CALL(testLayer->outputLayer, getLayerFE)
                 .WillRepeatedly(ReturnRef(*testLayer->layerFE));
         EXPECT_CALL(testLayer->outputLayer, getState)
@@ -171,8 +169,7 @@ void FlattenerTest::initializeFlattener(const std::vector<const LayerState*>& la
 void FlattenerTest::expectAllLayersFlattened(const std::vector<const LayerState*>& layers) {
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -423,8 +420,7 @@ TEST_F(FlattenerTest, flattenLayers_BufferUpdateToFlatten) {
     layerState1->resetFramesSinceBufferUpdate();
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -447,8 +443,7 @@ TEST_F(FlattenerTest, flattenLayers_BufferUpdateToFlatten) {
     mTime += 200ms;
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -500,8 +495,7 @@ TEST_F(FlattenerTest, flattenLayers_BufferUpdateForMiddleLayer) {
     layerState3->resetFramesSinceBufferUpdate();
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -515,8 +509,7 @@ TEST_F(FlattenerTest, flattenLayers_BufferUpdateForMiddleLayer) {
 
     // Layers 1 and 2 will be flattened a new drawFrame would be called for Layer4 and Layer5
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -545,8 +538,7 @@ TEST_F(FlattenerTest, flattenLayers_BufferUpdateForMiddleLayer) {
     layerState3->incrementFramesSinceBufferUpdate();
     mTime += 200ms;
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -601,8 +593,7 @@ TEST_F(FlattenerTest, flattenLayers_pipRequiresRoundedCorners) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -637,16 +628,15 @@ TEST_F(FlattenerTest, flattenLayers_pip) {
 
     EXPECT_CALL(*mTestLayers[2]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[2]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[2]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[2]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState1.get(),
@@ -667,8 +657,7 @@ TEST_F(FlattenerTest, flattenLayers_pip) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -711,16 +700,15 @@ TEST_F(FlattenerTest, flattenLayers_holePunchSingleLayer) {
 
     EXPECT_CALL(*mTestLayers[1]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[1]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState0.get(),
@@ -741,8 +729,7 @@ TEST_F(FlattenerTest, flattenLayers_holePunchSingleLayer) {
     // This will render a CachedSet of layer 0. Though it is just one layer, it satisfies the
     // exception that there would be a hole punch above it.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -783,16 +770,15 @@ TEST_F(FlattenerTest, flattenLayers_holePunchSingleColorLayer) {
 
     EXPECT_CALL(*mTestLayers[1]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[1]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState0.get(),
@@ -813,8 +799,7 @@ TEST_F(FlattenerTest, flattenLayers_holePunchSingleColorLayer) {
     // This will render a CachedSet of layer 0. Though it is just one layer, it satisfies the
     // exception that there would be a hole punch above it.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -865,8 +850,7 @@ TEST_F(FlattenerTest, flattenLayers_flattensBlurBehindRunIfFirstRun) {
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -911,8 +895,7 @@ TEST_F(FlattenerTest, flattenLayers_doesNotFlattenBlurBehindRun) {
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillRepeatedly(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillRepeatedly(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -965,8 +948,7 @@ TEST_F(FlattenerTest, flattenLayers_flattenSkipsLayerWithBlurBehind) {
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1014,8 +996,7 @@ TEST_F(FlattenerTest, flattenLayers_whenBlurLayerIsChanging_appliesBlurToInactiv
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1057,8 +1038,7 @@ TEST_F(FlattenerTest, flattenLayers_renderCachedSets_doesNotRenderTwice) {
     mTime += 200ms;
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1125,8 +1105,7 @@ TEST_F(FlattenerRenderSchedulingTest, flattenLayers_renderCachedSets_defersUpToM
     }
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState,
                                  std::chrono::steady_clock::now() -
                                          (kCachedSetRenderDuration + 10ms),
@@ -1162,8 +1141,7 @@ TEST_F(FlattenerTest, flattenLayers_skipsBT601_625) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1213,8 +1191,7 @@ TEST_F(FlattenerTest, flattenLayers_skipsHDR) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1264,8 +1241,7 @@ TEST_F(FlattenerTest, flattenLayers_skipsHDR2) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1318,8 +1294,7 @@ TEST_F(FlattenerTest, flattenLayers_skipsColorLayers) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1371,8 +1346,7 @@ TEST_F(FlattenerTest, flattenLayers_includes_DISPLAY_DECORATION) {
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
index 5c6e8da58c..47b682059f 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
@@ -112,6 +112,9 @@ struct LayerStateTest : public testing::Test {
     sp<mock::LayerFE> mLayerFE = sp<mock::LayerFE>::make();
     mock::OutputLayer mOutputLayer;
     std::unique_ptr<LayerState> mLayerState;
+
+    static constexpr auto kUsageFlags = static_cast<uint32_t>(
+            AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN);
 };
 
 TEST_F(LayerStateTest, getOutputLayer) {
@@ -346,7 +349,7 @@ TEST_F(LayerStateTest, compareCompositionType) {
 TEST_F(LayerStateTest, updateBuffer) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -354,7 +357,7 @@ TEST_F(LayerStateTest, updateBuffer) {
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     ftl::Flags<LayerStateField> updates = mLayerState->update(&newOutputLayer);
@@ -364,7 +367,7 @@ TEST_F(LayerStateTest, updateBuffer) {
 TEST_F(LayerStateTest, updateBufferSingleBufferedLegacy) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -372,7 +375,7 @@ TEST_F(LayerStateTest, updateBufferSingleBufferedLegacy) {
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
 
@@ -388,7 +391,7 @@ TEST_F(LayerStateTest, updateBufferSingleBufferedLegacy) {
 TEST_F(LayerStateTest, updateBufferSingleBufferedUsage) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -396,7 +399,7 @@ TEST_F(LayerStateTest, updateBufferSingleBufferedUsage) {
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateTwo.buffer->usage = static_cast<uint64_t>(BufferUsage::FRONT_BUFFER);
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
@@ -412,14 +415,14 @@ TEST_F(LayerStateTest, updateBufferSingleBufferedUsage) {
 TEST_F(LayerStateTest, compareBuffer) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
@@ -720,10 +723,7 @@ TEST_F(LayerStateTest, updatePixelFormat) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
     layerFECompositionState.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer1");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, kUsageFlags, "buffer1");
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -732,10 +732,7 @@ TEST_F(LayerStateTest, updatePixelFormat) {
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
     layerFECompositionStateTwo.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBX_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer2");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBX_8888, kUsageFlags, "buffer2");
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     ftl::Flags<LayerStateField> updates = mLayerState->update(&newOutputLayer);
@@ -748,10 +745,7 @@ TEST_F(LayerStateTest, comparePixelFormat) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
     layerFECompositionState.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer1");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, kUsageFlags, "buffer1");
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -759,10 +753,7 @@ TEST_F(LayerStateTest, comparePixelFormat) {
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
     layerFECompositionStateTwo.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBX_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer2");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBX_8888, kUsageFlags, "buffer2");
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
@@ -1069,7 +1060,7 @@ TEST_F(LayerStateTest, getNonBufferHash_isIdempotent) {
 TEST_F(LayerStateTest, getNonBufferHash_filtersOutBuffers) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -1077,7 +1068,7 @@ TEST_F(LayerStateTest, getNonBufferHash_filtersOutBuffers) {
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
index 68c72e0945..35d0ffb6e9 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
@@ -228,7 +228,7 @@ TEST_F(LayerStackTest, getApproximateMatch_doesNotMatchManyDifferences) {
 }
 
 TEST_F(LayerStackTest, getApproximateMatch_exactMatchesSameBuffer) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
     mock::OutputLayer outputLayerOne;
     sp<mock::LayerFE> layerFEOne = sp<mock::LayerFE>::make();
     OutputLayerCompositionState outputLayerCompositionStateOne;
@@ -268,7 +268,7 @@ TEST_F(LayerStackTest, getApproximateMatch_alwaysMatchesClientComposition) {
             .dataspace = ui::Dataspace::SRGB,
     };
     LayerFECompositionState layerFECompositionStateOne;
-    layerFECompositionStateOne.buffer = new GraphicBuffer();
+    layerFECompositionStateOne.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateOne.alpha = sAlphaOne;
     layerFECompositionStateOne.colorTransformIsIdentity = true;
     setupMocksForLayer(outputLayerOne, *layerFEOne, outputLayerCompositionStateOne,
@@ -285,7 +285,7 @@ TEST_F(LayerStackTest, getApproximateMatch_alwaysMatchesClientComposition) {
             .dataspace = ui::Dataspace::DISPLAY_P3,
     };
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateTwo.alpha = sAlphaTwo;
     layerFECompositionStateTwo.colorTransformIsIdentity = false;
     layerFECompositionStateTwo.colorTransform = sMat4One;
@@ -310,7 +310,7 @@ TEST_F(LayerStackTest, getApproximateMatch_doesNotMatchMultipleApproximations) {
             .sourceCrop = sFloatRectOne,
     };
     LayerFECompositionState layerFECompositionStateOne;
-    layerFECompositionStateOne.buffer = new GraphicBuffer();
+    layerFECompositionStateOne.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(outputLayerOne, *layerFEOne, outputLayerCompositionStateOne,
                        layerFECompositionStateOne);
     LayerState layerStateOne(&outputLayerOne);
@@ -321,7 +321,7 @@ TEST_F(LayerStackTest, getApproximateMatch_doesNotMatchMultipleApproximations) {
             .sourceCrop = sFloatRectTwo,
     };
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(outputLayerTwo, *layerFETwo, outputLayerCompositionStateTwo,
                        layerFECompositionStateTwo);
     LayerState layerStateTwo(&outputLayerTwo);
diff --git a/services/surfaceflinger/ContainerLayer.cpp b/services/surfaceflinger/ContainerLayer.cpp
deleted file mode 100644
index 3ccc229261..0000000000
--- a/services/surfaceflinger/ContainerLayer.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-// #define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "ContainerLayer"
-
-#include "ContainerLayer.h"
-
-namespace android {
-
-ContainerLayer::ContainerLayer(const LayerCreationArgs& args) : Layer(args) {}
-
-ContainerLayer::~ContainerLayer() = default;
-
-bool ContainerLayer::isVisible() const {
-    return false;
-}
-
-sp<Layer> ContainerLayer::createClone() {
-    sp<ContainerLayer> layer = mFlinger->getFactory().createContainerLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata()));
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/Display/DisplayMap.h b/services/surfaceflinger/Display/DisplayMap.h
new file mode 100644
index 0000000000..0d5970676e
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplayMap.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <ftl/small_map.h>
+#include <ftl/small_vector.h>
+
+namespace android::display {
+
+// The static capacities were chosen to exceed a typical number of physical and/or virtual displays.
+
+template <typename Key, typename Value>
+using DisplayMap = ftl::SmallMap<Key, Value, 5>;
+
+template <typename Key, typename Value>
+using PhysicalDisplayMap = ftl::SmallMap<Key, Value, 3>;
+
+template <typename T>
+using PhysicalDisplayVector = ftl::SmallVector<T, 3>;
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/DisplayModeRequest.h b/services/surfaceflinger/Display/DisplayModeRequest.h
new file mode 100644
index 0000000000..d07cdf55d2
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplayModeRequest.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <ftl/non_null.h>
+
+#include <scheduler/FrameRateMode.h>
+
+namespace android::display {
+
+struct DisplayModeRequest {
+    scheduler::FrameRateMode mode;
+
+    // Whether to emit DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE.
+    bool emitEvent = false;
+};
+
+inline bool operator==(const DisplayModeRequest& lhs, const DisplayModeRequest& rhs) {
+    return lhs.mode == rhs.mode && lhs.emitEvent == rhs.emitEvent;
+}
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/DisplaySnapshot.cpp b/services/surfaceflinger/Display/DisplaySnapshot.cpp
new file mode 100644
index 0000000000..0c7a58ee71
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplaySnapshot.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <algorithm>
+#include <functional>
+#include <utility>
+
+#include <ftl/algorithm.h>
+#include <ftl/enum.h>
+#include <ui/DebugUtils.h>
+
+#include "DisplaySnapshot.h"
+
+namespace android::display {
+
+DisplaySnapshot::DisplaySnapshot(PhysicalDisplayId displayId,
+                                 ui::DisplayConnectionType connectionType,
+                                 DisplayModes&& displayModes, ui::ColorModes&& colorModes,
+                                 std::optional<DeviceProductInfo>&& deviceProductInfo)
+      : mDisplayId(displayId),
+        mConnectionType(connectionType),
+        mDisplayModes(std::move(displayModes)),
+        mColorModes(std::move(colorModes)),
+        mDeviceProductInfo(std::move(deviceProductInfo)) {}
+
+std::optional<DisplayModeId> DisplaySnapshot::translateModeId(hal::HWConfigId hwcId) const {
+    return ftl::find_if(mDisplayModes,
+                        [hwcId](const DisplayModes::value_type& pair) {
+                            return pair.second->getHwcId() == hwcId;
+                        })
+            .transform(&ftl::to_key<DisplayModes>);
+}
+
+ui::ColorModes DisplaySnapshot::filterColorModes(bool supportsWideColor) const {
+    ui::ColorModes modes = mColorModes;
+
+    // If the display is internal and the configuration claims it's not wide color capable, filter
+    // out all wide color modes. The typical reason why this happens is that the hardware is not
+    // good enough to support GPU composition of wide color, and thus the OEMs choose to disable
+    // this capability.
+    if (mConnectionType == ui::DisplayConnectionType::Internal && !supportsWideColor) {
+        const auto it = std::remove_if(modes.begin(), modes.end(), ui::isWideColorMode);
+        modes.erase(it, modes.end());
+    }
+
+    return modes;
+}
+
+void DisplaySnapshot::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
+
+    dumper.dump("connectionType"sv, ftl::enum_string(mConnectionType));
+
+    dumper.dump("colorModes"sv);
+    {
+        utils::Dumper::Indent indent(dumper);
+        for (const auto mode : mColorModes) {
+            dumper.dump({}, decodeColorMode(mode));
+        }
+    }
+
+    dumper.dump("deviceProductInfo"sv, mDeviceProductInfo);
+}
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/DisplaySnapshot.h b/services/surfaceflinger/Display/DisplaySnapshot.h
new file mode 100644
index 0000000000..23471f5d8e
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplaySnapshot.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <optional>
+
+#include <ui/ColorMode.h>
+#include <ui/DisplayId.h>
+#include <ui/StaticDisplayInfo.h>
+
+#include "DisplayHardware/DisplayMode.h"
+#include "Utils/Dumper.h"
+
+namespace android::display {
+
+// Immutable state of a physical display, captured on hotplug.
+class DisplaySnapshot {
+public:
+    DisplaySnapshot(PhysicalDisplayId, ui::DisplayConnectionType, DisplayModes&&, ui::ColorModes&&,
+                    std::optional<DeviceProductInfo>&&);
+
+    DisplaySnapshot(const DisplaySnapshot&) = delete;
+    DisplaySnapshot(DisplaySnapshot&&) = default;
+
+    PhysicalDisplayId displayId() const { return mDisplayId; }
+    ui::DisplayConnectionType connectionType() const { return mConnectionType; }
+
+    std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const;
+
+    const auto& displayModes() const { return mDisplayModes; }
+    const auto& colorModes() const { return mColorModes; }
+    const auto& deviceProductInfo() const { return mDeviceProductInfo; }
+
+    ui::ColorModes filterColorModes(bool supportsWideColor) const;
+
+    void dump(utils::Dumper&) const;
+
+private:
+    const PhysicalDisplayId mDisplayId;
+    const ui::DisplayConnectionType mConnectionType;
+
+    // Effectively const except in move constructor.
+    DisplayModes mDisplayModes;
+    ui::ColorModes mColorModes;
+    std::optional<DeviceProductInfo> mDeviceProductInfo;
+};
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/PhysicalDisplay.h b/services/surfaceflinger/Display/PhysicalDisplay.h
new file mode 100644
index 0000000000..cba10146b7
--- /dev/null
+++ b/services/surfaceflinger/Display/PhysicalDisplay.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <utility>
+
+#include <binder/IBinder.h>
+#include <ui/DisplayId.h>
+#include <utils/StrongPointer.h>
+
+#include "DisplayMap.h"
+#include "DisplaySnapshot.h"
+
+namespace android::display {
+
+// TODO(b/229877597): Replace with AIDL type.
+using DisplayToken = IBinder;
+
+class PhysicalDisplay {
+public:
+    template <typename... Args>
+    PhysicalDisplay(sp<DisplayToken> token, Args&&... args)
+          : mToken(std::move(token)), mSnapshot(std::forward<Args>(args)...) {}
+
+    PhysicalDisplay(const PhysicalDisplay&) = delete;
+    PhysicalDisplay(PhysicalDisplay&&) = default;
+
+    const sp<DisplayToken>& token() const { return mToken; }
+    const DisplaySnapshot& snapshot() const { return mSnapshot; }
+
+    // Transformers for PhysicalDisplays::get.
+
+    using SnapshotRef = std::reference_wrapper<const DisplaySnapshot>;
+    SnapshotRef snapshotRef() const { return std::cref(mSnapshot); }
+
+    bool isInternal() const {
+        return mSnapshot.connectionType() == ui::DisplayConnectionType::Internal;
+    }
+
+    // Predicate for ftl::find_if on PhysicalDisplays.
+    static constexpr auto hasToken(const sp<DisplayToken>& token) {
+        return [&token](const std::pair<const PhysicalDisplayId, PhysicalDisplay>& pair) {
+            return pair.second.token() == token;
+        };
+    }
+
+private:
+    const sp<DisplayToken> mToken;
+
+    // Effectively const except in move constructor.
+    DisplaySnapshot mSnapshot;
+};
+
+using PhysicalDisplays = PhysicalDisplayMap<PhysicalDisplayId, PhysicalDisplay>;
+
+// Combinator for ftl::Optional<PhysicalDisplayId>::and_then.
+constexpr auto getPhysicalDisplay(const PhysicalDisplays& displays) {
+    return [&](PhysicalDisplayId id) { return displays.get(id); };
+}
+
+} // namespace android::display
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 26fbd55d6e..46b857b189 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -39,7 +39,9 @@
 #include <system/window.h>
 #include <ui/GraphicTypes.h>
 
+#include "Display/DisplaySnapshot.h"
 #include "DisplayDevice.h"
+#include "FrontEnd/DisplayInfo.h"
 #include "Layer.h"
 #include "RefreshRateOverlay.h"
 #include "SurfaceFlinger.h"
@@ -63,14 +65,13 @@ DisplayDevice::DisplayDevice(DisplayDeviceCreationArgs& args)
         mHwComposer(args.hwComposer),
         mDisplayToken(args.displayToken),
         mSequenceId(args.sequenceId),
-        mConnectionType(args.connectionType),
         mCompositionDisplay{args.compositionDisplay},
         mActiveModeFPSTrace("ActiveModeFPS -" + to_string(getId())),
         mActiveModeFPSHwcTrace("ActiveModeFPS_HWC -" + to_string(getId())),
+        mRenderFrameRateFPSTrace("RenderRateFPS -" + to_string(getId())),
         mPhysicalOrientation(args.physicalOrientation),
-        mSupportedModes(std::move(args.supportedModes)),
         mIsPrimary(args.isPrimary),
-        mRefreshRateConfigs(std::move(args.refreshRateConfigs)) {
+        mRefreshRateSelector(std::move(args.refreshRateSelector)) {
     mCompositionDisplay->editState().isSecure = args.isSecure;
     mCompositionDisplay->createRenderSurface(
             compositionengine::RenderSurfaceCreationArgsBuilder()
@@ -104,7 +105,9 @@ DisplayDevice::DisplayDevice(DisplayDeviceCreationArgs& args)
 
     mCompositionDisplay->getRenderSurface()->initialize();
 
-    if (args.initialPowerMode.has_value()) setPowerMode(args.initialPowerMode.value());
+    if (const auto powerModeOpt = args.initialPowerMode) {
+        setPowerMode(*powerModeOpt);
+    }
 
     // initialize the display orientation transform.
     setProjection(ui::ROTATION_0, Rect::INVALID_RECT, Rect::INVALID_RECT);
@@ -132,15 +135,7 @@ void DisplayDevice::setDisplayName(const std::string& displayName) {
     }
 }
 
-void DisplayDevice::setDeviceProductInfo(std::optional<DeviceProductInfo> info) {
-    mDeviceProductInfo = std::move(info);
-}
-
-uint32_t DisplayDevice::getPageFlipCount() const {
-    return mCompositionDisplay->getRenderSurface()->getPageFlipCount();
-}
-
-auto DisplayDevice::getInputInfo() const -> InputInfo {
+auto DisplayDevice::getFrontEndInfo() const -> frontend::DisplayInfo {
     gui::DisplayInfo info;
     info.displayId = getLayerStack().id;
 
@@ -169,7 +164,9 @@ auto DisplayDevice::getInputInfo() const -> InputInfo {
     return {.info = info,
             .transform = displayTransform,
             .receivesInput = receivesInput(),
-            .isSecure = isSecure()};
+            .isSecure = isSecure(),
+            .isPrimary = isPrimary(),
+            .rotationFlags = ui::Transform::toRotationFlags(mOrientation)};
 }
 
 void DisplayDevice::setPowerMode(hal::PowerMode mode) {
@@ -184,8 +181,7 @@ void DisplayDevice::setPowerMode(hal::PowerMode mode) {
 
     mPowerMode = mode;
 
-    getCompositionDisplay()->setCompositionEnabled(mPowerMode.has_value() &&
-                                                   *mPowerMode != hal::PowerMode::OFF);
+    getCompositionDisplay()->setCompositionEnabled(isPoweredOn());
 }
 
 void DisplayDevice::enableLayerCaching(bool enable) {
@@ -200,56 +196,32 @@ bool DisplayDevice::isPoweredOn() const {
     return mPowerMode && *mPowerMode != hal::PowerMode::OFF;
 }
 
-void DisplayDevice::setActiveMode(DisplayModeId id) {
-    const auto mode = getMode(id);
-    LOG_FATAL_IF(!mode, "Cannot set active mode which is not supported.");
-    ATRACE_INT(mActiveModeFPSTrace.c_str(), mode->getFps().getIntValue());
-    mActiveMode = mode;
-    if (mRefreshRateConfigs) {
-        mRefreshRateConfigs->setActiveModeId(mActiveMode->getId());
-    }
+void DisplayDevice::setActiveMode(DisplayModeId modeId, Fps displayFps, Fps renderFps) {
+    ATRACE_INT(mActiveModeFPSTrace.c_str(), displayFps.getIntValue());
+    ATRACE_INT(mRenderFrameRateFPSTrace.c_str(), renderFps.getIntValue());
+
+    mRefreshRateSelector->setActiveMode(modeId, renderFps);
+
     if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->changeRefreshRate(mActiveMode->getFps());
+        mRefreshRateOverlay->changeRefreshRate(displayFps, renderFps);
     }
 }
 
 status_t DisplayDevice::initiateModeChange(const ActiveModeInfo& info,
                                            const hal::VsyncPeriodChangeConstraints& constraints,
                                            hal::VsyncPeriodChangeTimeline* outTimeline) {
-    if (!info.mode || info.mode->getPhysicalDisplayId() != getPhysicalId()) {
+    if (!info.modeOpt || info.modeOpt->modePtr->getPhysicalDisplayId() != getPhysicalId()) {
         ALOGE("Trying to initiate a mode change to invalid mode %s on display %s",
-              info.mode ? std::to_string(info.mode->getId().value()).c_str() : "null",
+              info.modeOpt ? std::to_string(info.modeOpt->modePtr->getId().value()).c_str()
+                           : "null",
               to_string(getId()).c_str());
         return BAD_VALUE;
     }
-    mNumModeSwitchesInPolicy++;
     mUpcomingActiveMode = info;
-    ATRACE_INT(mActiveModeFPSHwcTrace.c_str(), info.mode->getFps().getIntValue());
-    return mHwComposer.setActiveModeWithConstraints(getPhysicalId(), info.mode->getHwcId(),
-                                                    constraints, outTimeline);
-}
-
-const DisplayModePtr& DisplayDevice::getActiveMode() const {
-    return mActiveMode;
-}
-
-const DisplayModes& DisplayDevice::getSupportedModes() const {
-    return mSupportedModes;
-}
-
-DisplayModePtr DisplayDevice::getMode(DisplayModeId modeId) const {
-    const DisplayModePtr nullMode;
-    return mSupportedModes.get(modeId).value_or(std::cref(nullMode));
-}
-
-std::optional<DisplayModeId> DisplayDevice::translateModeId(hal::HWConfigId hwcId) const {
-    const auto it =
-            std::find_if(mSupportedModes.begin(), mSupportedModes.end(),
-                         [hwcId](const auto& pair) { return pair.second->getHwcId() == hwcId; });
-    if (it != mSupportedModes.end()) {
-        return it->second->getId();
-    }
-    return {};
+    ATRACE_INT(mActiveModeFPSHwcTrace.c_str(), info.modeOpt->modePtr->getFps().getIntValue());
+    return mHwComposer.setActiveModeWithConstraints(getPhysicalId(),
+                                                    info.modeOpt->modePtr->getHwcId(), constraints,
+                                                    outTimeline);
 }
 
 nsecs_t DisplayDevice::getVsyncPeriodFromHWC() const {
@@ -264,27 +236,17 @@ nsecs_t DisplayDevice::getVsyncPeriodFromHWC() const {
         return vsyncPeriod;
     }
 
-    return getActiveMode()->getFps().getPeriodNsecs();
-}
-
-nsecs_t DisplayDevice::getRefreshTimestamp() const {
-    const nsecs_t now = systemTime(CLOCK_MONOTONIC);
-    const auto vsyncPeriodNanos = getVsyncPeriodFromHWC();
-    return now - ((now - mLastHwVsync) % vsyncPeriodNanos);
-}
-
-void DisplayDevice::onVsync(nsecs_t timestamp) {
-    mLastHwVsync = timestamp;
+    return refreshRateSelector().getActiveMode().modePtr->getVsyncPeriod();
 }
 
 ui::Dataspace DisplayDevice::getCompositionDataSpace() const {
     return mCompositionDisplay->getState().dataspace;
 }
 
-void DisplayDevice::setLayerStack(ui::LayerStack stack) {
-    mCompositionDisplay->setLayerFilter({stack, isInternal()});
+void DisplayDevice::setLayerFilter(ui::LayerFilter filter) {
+    mCompositionDisplay->setLayerFilter(filter);
     if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->setLayerStack(stack);
+        mRefreshRateOverlay->setLayerStack(filter.layerStack);
     }
 }
 
@@ -353,44 +315,14 @@ ui::Transform::RotationFlags DisplayDevice::getPrimaryDisplayRotationFlags() {
     return sPrimaryDisplayRotationFlags;
 }
 
-std::string DisplayDevice::getDebugName() const {
-    using namespace std::string_literals;
+void DisplayDevice::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
 
-    std::string name = "Display "s + to_string(getId()) + " ("s;
+    dumper.dump("name"sv, '"' + mDisplayName + '"');
+    dumper.dump("powerMode"sv, mPowerMode);
 
-    if (mConnectionType) {
-        name += isInternal() ? "internal"s : "external"s;
-    } else {
-        name += "virtual"s;
-    }
-
-    if (isPrimary()) {
-        name += ", primary"s;
-    }
-
-    return name + ", \""s + mDisplayName + "\")"s;
-}
-
-void DisplayDevice::dump(std::string& result) const {
-    using namespace std::string_literals;
-
-    result += getDebugName();
-
-    if (!isVirtual()) {
-        result += "\n   deviceProductInfo="s;
-        if (mDeviceProductInfo) {
-            mDeviceProductInfo->dump(result);
-        } else {
-            result += "{}"s;
-        }
-    }
-
-    result += "\n   powerMode="s;
-    result += mPowerMode.has_value() ? to_string(mPowerMode.value()) : "OFF(reset)";
-    result += '\n';
-
-    if (mRefreshRateConfigs) {
-        mRefreshRateConfigs->dump(result);
+    if (mRefreshRateSelector) {
+        mRefreshRateSelector->dump(dumper);
     }
 }
 
@@ -478,26 +410,35 @@ HdrCapabilities DisplayDevice::getHdrCapabilities() const {
                            capabilities.getDesiredMinLuminance());
 }
 
-void DisplayDevice::enableRefreshRateOverlay(bool enable, bool showSpinnner) {
+void DisplayDevice::enableRefreshRateOverlay(bool enable, bool showSpinner, bool showRenderRate) {
     if (!enable) {
         mRefreshRateOverlay.reset();
         return;
     }
 
-    const auto fpsRange = mRefreshRateConfigs->getSupportedRefreshRateRange();
-    mRefreshRateOverlay = std::make_unique<RefreshRateOverlay>(fpsRange, showSpinnner);
+    ftl::Flags<RefreshRateOverlay::Features> features;
+    if (showSpinner) {
+        features |= RefreshRateOverlay::Features::Spinner;
+    }
+
+    if (showRenderRate) {
+        features |= RefreshRateOverlay::Features::RenderRate;
+    }
+
+    const auto fpsRange = mRefreshRateSelector->getSupportedRefreshRateRange();
+    mRefreshRateOverlay = std::make_unique<RefreshRateOverlay>(fpsRange, features);
     mRefreshRateOverlay->setLayerStack(getLayerStack());
     mRefreshRateOverlay->setViewport(getSize());
-    mRefreshRateOverlay->changeRefreshRate(getActiveMode()->getFps());
+    mRefreshRateOverlay->changeRefreshRate(getActiveMode().modePtr->getFps(), getActiveMode().fps);
 }
 
 bool DisplayDevice::onKernelTimerChanged(std::optional<DisplayModeId> desiredModeId,
                                          bool timerExpired) {
-    if (mRefreshRateConfigs && mRefreshRateOverlay) {
-        const auto newRefreshRate =
-                mRefreshRateConfigs->onKernelTimerChanged(desiredModeId, timerExpired);
-        if (newRefreshRate) {
-            mRefreshRateOverlay->changeRefreshRate(*newRefreshRate);
+    if (mRefreshRateSelector && mRefreshRateOverlay) {
+        const auto newMode =
+                mRefreshRateSelector->onKernelTimerChanged(desiredModeId, timerExpired);
+        if (newMode) {
+            mRefreshRateOverlay->changeRefreshRate(newMode->modePtr->getFps(), newMode->fps);
             return true;
         }
     }
@@ -511,13 +452,14 @@ void DisplayDevice::animateRefreshRateOverlay() {
     }
 }
 
-bool DisplayDevice::setDesiredActiveMode(const ActiveModeInfo& info) {
+auto DisplayDevice::setDesiredActiveMode(const ActiveModeInfo& info) -> DesiredActiveModeAction {
     ATRACE_CALL();
 
-    LOG_ALWAYS_FATAL_IF(!info.mode, "desired mode not provided");
-    LOG_ALWAYS_FATAL_IF(getPhysicalId() != info.mode->getPhysicalDisplayId(), "DisplayId mismatch");
+    LOG_ALWAYS_FATAL_IF(!info.modeOpt, "desired mode not provided");
+    LOG_ALWAYS_FATAL_IF(getPhysicalId() != info.modeOpt->modePtr->getPhysicalDisplayId(),
+                        "DisplayId mismatch");
 
-    ALOGV("%s(%s)", __func__, to_string(*info.mode).c_str());
+    ALOGV("%s(%s)", __func__, to_string(*info.modeOpt->modePtr).c_str());
 
     std::scoped_lock lock(mActiveModeLock);
     if (mDesiredActiveModeChanged) {
@@ -525,18 +467,25 @@ bool DisplayDevice::setDesiredActiveMode(const ActiveModeInfo& info) {
         const auto prevConfig = mDesiredActiveMode.event;
         mDesiredActiveMode = info;
         mDesiredActiveMode.event = mDesiredActiveMode.event | prevConfig;
-        return false;
+        return DesiredActiveModeAction::None;
     }
 
+    const auto& desiredMode = *info.modeOpt->modePtr;
+
     // Check if we are already at the desired mode
-    if (getActiveMode()->getId() == info.mode->getId()) {
-        return false;
+    if (refreshRateSelector().getActiveMode().modePtr->getId() == desiredMode.getId()) {
+        if (refreshRateSelector().getActiveMode() == info.modeOpt) {
+            return DesiredActiveModeAction::None;
+        }
+
+        setActiveMode(desiredMode.getId(), desiredMode.getFps(), info.modeOpt->fps);
+        return DesiredActiveModeAction::InitiateRenderRateSwitch;
     }
 
     // Initiate a mode change.
     mDesiredActiveModeChanged = true;
     mDesiredActiveMode = info;
-    return true;
+    return DesiredActiveModeAction::InitiateDisplayModeSwitch;
 }
 
 std::optional<DisplayDevice::ActiveModeInfo> DisplayDevice::getDesiredActiveMode() const {
@@ -551,27 +500,6 @@ void DisplayDevice::clearDesiredActiveModeState() {
     mDesiredActiveModeChanged = false;
 }
 
-status_t DisplayDevice::setRefreshRatePolicy(
-        const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy) {
-    const auto oldPolicy = mRefreshRateConfigs->getCurrentPolicy();
-    const status_t setPolicyResult = overridePolicy
-            ? mRefreshRateConfigs->setOverridePolicy(policy)
-            : mRefreshRateConfigs->setDisplayManagerPolicy(*policy);
-
-    if (setPolicyResult == OK) {
-        const int numModeChanges = mNumModeSwitchesInPolicy.exchange(0);
-
-        ALOGI("Display %s policy changed\n"
-              "Previous: {%s}\n"
-              "Current:  {%s}\n"
-              "%d mode changes were performed under the previous policy",
-              to_string(getId()).c_str(), oldPolicy.toString().c_str(),
-              policy ? policy->toString().c_str() : "null", numModeChanges);
-    }
-
-    return setPolicyResult;
-}
-
 std::atomic<int32_t> DisplayDeviceState::sNextSequenceId(1);
 
 }  // namespace android
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index fc24a9ce49..8f9b2a19a6 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -41,13 +41,15 @@
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
+#include "Display/DisplayModeRequest.h"
 #include "DisplayHardware/DisplayMode.h"
 #include "DisplayHardware/Hal.h"
 #include "DisplayHardware/PowerAdvisor.h"
-#include "Scheduler/RefreshRateConfigs.h"
+#include "FrontEnd/DisplayInfo.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "ThreadContext.h"
 #include "TracedOrdinal.h"
-
+#include "Utils/Dumper.h"
 namespace android {
 
 class Fence;
@@ -65,6 +67,10 @@ class Display;
 class DisplaySurface;
 } // namespace compositionengine
 
+namespace display {
+class DisplaySnapshot;
+} // namespace display
+
 class DisplayDevice : public RefBase {
 public:
     constexpr static float sDefaultMinLumiance = 0.0;
@@ -80,11 +86,8 @@ public:
         return mCompositionDisplay;
     }
 
-    std::optional<ui::DisplayConnectionType> getConnectionType() const { return mConnectionType; }
-
-    bool isVirtual() const { return !mConnectionType; }
+    bool isVirtual() const { return VirtualDisplayId::tryCast(getId()).has_value(); }
     bool isPrimary() const { return mIsPrimary; }
-    bool isInternal() const { return mConnectionType == ui::DisplayConnectionType::Internal; }
 
     // isSecure indicates whether this display can be trusted to display
     // secure surfaces.
@@ -94,7 +97,7 @@ public:
     int getHeight() const;
     ui::Size getSize() const { return {getWidth(), getHeight()}; }
 
-    void setLayerStack(ui::LayerStack);
+    void setLayerFilter(ui::LayerFilter);
     void setDisplaySize(int width, int height);
     void setProjection(ui::Rotation orientation, Rect viewport, Rect frame);
     void stageBrightness(float brightness) REQUIRES(kMainThreadContext);
@@ -164,19 +167,7 @@ public:
     void setDisplayName(const std::string& displayName);
     const std::string& getDisplayName() const { return mDisplayName; }
 
-    void setDeviceProductInfo(std::optional<DeviceProductInfo> info);
-    const std::optional<DeviceProductInfo>& getDeviceProductInfo() const {
-        return mDeviceProductInfo;
-    }
-
-    struct InputInfo {
-        gui::DisplayInfo info;
-        ui::Transform transform;
-        bool receivesInput;
-        bool isSecure;
-    };
-
-    InputInfo getInputInfo() const;
+    surfaceflinger::frontend::DisplayInfo getFrontEndInfo() const;
 
     /* ------------------------------------------------------------------------
      * Display power mode management.
@@ -193,113 +184,103 @@ public:
     /* ------------------------------------------------------------------------
      * Display mode management.
      */
-    const DisplayModePtr& getActiveMode() const;
 
+    // TODO(b/241285876): Replace ActiveModeInfo and DisplayModeEvent with DisplayModeRequest.
     struct ActiveModeInfo {
-        DisplayModePtr mode;
-        scheduler::DisplayModeEvent event = scheduler::DisplayModeEvent::None;
+        using Event = scheduler::DisplayModeEvent;
+
+        ActiveModeInfo() = default;
+        ActiveModeInfo(scheduler::FrameRateMode mode, Event event)
+              : modeOpt(std::move(mode)), event(event) {}
+
+        explicit ActiveModeInfo(display::DisplayModeRequest&& request)
+              : ActiveModeInfo(std::move(request.mode),
+                               request.emitEvent ? Event::Changed : Event::None) {}
+
+        ftl::Optional<scheduler::FrameRateMode> modeOpt;
+        Event event = Event::None;
 
         bool operator!=(const ActiveModeInfo& other) const {
-            return mode != other.mode || event != other.event;
+            return modeOpt != other.modeOpt || event != other.event;
         }
     };
 
-    bool setDesiredActiveMode(const ActiveModeInfo&) EXCLUDES(mActiveModeLock);
+    enum class DesiredActiveModeAction {
+        None,
+        InitiateDisplayModeSwitch,
+        InitiateRenderRateSwitch
+    };
+    DesiredActiveModeAction setDesiredActiveMode(const ActiveModeInfo&) EXCLUDES(mActiveModeLock);
     std::optional<ActiveModeInfo> getDesiredActiveMode() const EXCLUDES(mActiveModeLock);
     void clearDesiredActiveModeState() EXCLUDES(mActiveModeLock);
     ActiveModeInfo getUpcomingActiveMode() const REQUIRES(kMainThreadContext) {
         return mUpcomingActiveMode;
     }
 
-    void setActiveMode(DisplayModeId) REQUIRES(kMainThreadContext);
+    scheduler::FrameRateMode getActiveMode() const REQUIRES(kMainThreadContext) {
+        return mRefreshRateSelector->getActiveMode();
+    }
+
+    void setActiveMode(DisplayModeId, Fps displayFps, Fps renderFps);
+
     status_t initiateModeChange(const ActiveModeInfo&,
                                 const hal::VsyncPeriodChangeConstraints& constraints,
                                 hal::VsyncPeriodChangeTimeline* outTimeline)
             REQUIRES(kMainThreadContext);
 
-    // Return the immutable list of supported display modes. The HWC may report different modes
-    // after a hotplug reconnect event, in which case the DisplayDevice object will be recreated.
-    // Hotplug reconnects are common for external displays.
-    const DisplayModes& getSupportedModes() const;
-
-    // Returns nullptr if the given mode ID is not supported. A previously
-    // supported mode may be no longer supported for some devices like TVs and
-    // set-top boxes after a hotplug reconnect.
-    DisplayModePtr getMode(DisplayModeId) const;
-
-    std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const;
+    scheduler::RefreshRateSelector& refreshRateSelector() const { return *mRefreshRateSelector; }
 
-    // Returns the refresh rate configs for this display.
-    scheduler::RefreshRateConfigs& refreshRateConfigs() const { return *mRefreshRateConfigs; }
-
-    // Returns a shared pointer to the refresh rate configs for this display.
-    // Clients can store this refresh rate configs and use it even if the DisplayDevice
-    // is destroyed.
-    std::shared_ptr<scheduler::RefreshRateConfigs> holdRefreshRateConfigs() const {
-        return mRefreshRateConfigs;
+    // Extends the lifetime of the RefreshRateSelector, so it can outlive this DisplayDevice.
+    std::shared_ptr<scheduler::RefreshRateSelector> holdRefreshRateSelector() const {
+        return mRefreshRateSelector;
     }
 
     // Enables an overlay to be displayed with the current refresh rate
-    void enableRefreshRateOverlay(bool enable, bool showSpinner);
+    void enableRefreshRateOverlay(bool enable, bool showSpinner, bool showRenderRate)
+            REQUIRES(kMainThreadContext);
     bool isRefreshRateOverlayEnabled() const { return mRefreshRateOverlay != nullptr; }
     bool onKernelTimerChanged(std::optional<DisplayModeId>, bool timerExpired);
     void animateRefreshRateOverlay();
 
-    void onVsync(nsecs_t timestamp);
     nsecs_t getVsyncPeriodFromHWC() const;
-    nsecs_t getRefreshTimestamp() const;
-
-    status_t setRefreshRatePolicy(
-            const std::optional<scheduler::RefreshRateConfigs::Policy>& policy,
-            bool overridePolicy);
 
     // release HWC resources (if any) for removable displays
     void disconnect();
 
-    /* ------------------------------------------------------------------------
-     * Debugging
-     */
-    uint32_t getPageFlipCount() const;
-    std::string getDebugName() const;
-    void dump(std::string& result) const;
+    void dump(utils::Dumper&) const;
 
 private:
     const sp<SurfaceFlinger> mFlinger;
     HWComposer& mHwComposer;
     const wp<IBinder> mDisplayToken;
     const int32_t mSequenceId;
-    const std::optional<ui::DisplayConnectionType> mConnectionType;
 
     const std::shared_ptr<compositionengine::Display> mCompositionDisplay;
 
     std::string mDisplayName;
     std::string mActiveModeFPSTrace;
     std::string mActiveModeFPSHwcTrace;
+    std::string mRenderFrameRateFPSTrace;
 
     const ui::Rotation mPhysicalOrientation;
     ui::Rotation mOrientation = ui::ROTATION_0;
 
     static ui::Transform::RotationFlags sPrimaryDisplayRotationFlags;
 
-     // allow initial power mode as null.
+    // Allow nullopt as initial power mode.
     std::optional<hardware::graphics::composer::hal::PowerMode> mPowerMode;
-    DisplayModePtr mActiveMode;
-    std::optional<float> mStagedBrightness = std::nullopt;
-    float mBrightness = -1.f;
-    const DisplayModes mSupportedModes;
 
-    std::atomic<nsecs_t> mLastHwVsync = 0;
+    std::optional<float> mStagedBrightness;
+    float mBrightness = -1.f;
 
     // TODO(b/182939859): Remove special cases for primary display.
     const bool mIsPrimary;
 
     uint32_t mFlags = 0;
 
-    std::optional<DeviceProductInfo> mDeviceProductInfo;
-
     std::vector<ui::Hdr> mOverrideHdrTypes;
 
-    std::shared_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs;
+    std::shared_ptr<scheduler::RefreshRateSelector> mRefreshRateSelector;
     std::unique_ptr<RefreshRateOverlay> mRefreshRateOverlay;
 
     mutable std::mutex mActiveModeLock;
@@ -307,21 +288,16 @@ private:
     TracedOrdinal<bool> mDesiredActiveModeChanged
             GUARDED_BY(mActiveModeLock) = {"DesiredActiveModeChanged", false};
     ActiveModeInfo mUpcomingActiveMode GUARDED_BY(kMainThreadContext);
-
-    std::atomic_int mNumModeSwitchesInPolicy = 0;
 };
 
 struct DisplayDeviceState {
     struct Physical {
         PhysicalDisplayId id;
-        ui::DisplayConnectionType type;
         hardware::graphics::composer::hal::HWDisplayId hwcDisplayId;
-        std::optional<DeviceProductInfo> deviceProductInfo;
-        DisplayModes supportedModes;
         DisplayModePtr activeMode;
 
         bool operator==(const Physical& other) const {
-            return id == other.id && type == other.type && hwcDisplayId == other.hwcDisplayId;
+            return id == other.id && hwcDisplayId == other.hwcDisplayId;
         }
     };
 
@@ -354,10 +330,9 @@ struct DisplayDeviceCreationArgs {
     HWComposer& hwComposer;
     const wp<IBinder> displayToken;
     const std::shared_ptr<compositionengine::Display> compositionDisplay;
-    std::shared_ptr<scheduler::RefreshRateConfigs> refreshRateConfigs;
+    std::shared_ptr<scheduler::RefreshRateSelector> refreshRateSelector;
 
     int32_t sequenceId{0};
-    std::optional<ui::DisplayConnectionType> connectionType;
     bool isSecure{false};
     sp<ANativeWindow> nativeWindow;
     sp<compositionengine::DisplaySurface> displaySurface;
@@ -368,7 +343,6 @@ struct DisplayDeviceCreationArgs {
     std::unordered_map<ui::ColorMode, std::vector<ui::RenderIntent>> hwcColorModes;
     std::optional<hardware::graphics::composer::hal::PowerMode> initialPowerMode;
     bool isPrimary{false};
-    DisplayModes supportedModes;
     DisplayModeId activeModeId;
 };
 
diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
index 36512311d1..800e36db48 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
@@ -55,6 +55,7 @@ using AidlDisplayContentSample = aidl::android::hardware::graphics::composer3::D
 using AidlDisplayAttribute = aidl::android::hardware::graphics::composer3::DisplayAttribute;
 using AidlDisplayCapability = aidl::android::hardware::graphics::composer3::DisplayCapability;
 using AidlHdrCapabilities = aidl::android::hardware::graphics::composer3::HdrCapabilities;
+using AidlOverlayProperties = aidl::android::hardware::graphics::composer3::OverlayProperties;
 using AidlPerFrameMetadata = aidl::android::hardware::graphics::composer3::PerFrameMetadata;
 using AidlPerFrameMetadataKey = aidl::android::hardware::graphics::composer3::PerFrameMetadataKey;
 using AidlPerFrameMetadataBlob = aidl::android::hardware::graphics::composer3::PerFrameMetadataBlob;
@@ -229,6 +230,8 @@ AidlComposer::AidlComposer(const std::string& serviceName) {
         return;
     }
 
+    addReader(translate<Display>(kSingleReaderKey));
+
     ALOGI("Loaded AIDL composer3 HAL service");
 }
 
@@ -297,12 +300,19 @@ void AidlComposer::registerCallback(HWC2::ComposerCallback& callback) {
     }
 }
 
-void AidlComposer::resetCommands() {
-    mWriter.reset();
+void AidlComposer::resetCommands(Display display) {
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().reset();
+    }
+    mMutex.unlock_shared();
 }
 
-Error AidlComposer::executeCommands() {
-    return execute();
+Error AidlComposer::executeCommands(Display display) {
+    mMutex.lock_shared();
+    auto error = execute(display);
+    mMutex.unlock_shared();
+    return error;
 }
 
 uint32_t AidlComposer::getMaxVirtualDisplayCount() {
@@ -333,6 +343,7 @@ Error AidlComposer::createVirtualDisplay(uint32_t width, uint32_t height, PixelF
 
     *outDisplay = translate<Display>(virtualDisplay.display);
     *format = static_cast<PixelFormat>(virtualDisplay.format);
+    addDisplay(translate<Display>(virtualDisplay.display));
     return Error::NONE;
 }
 
@@ -342,12 +353,20 @@ Error AidlComposer::destroyVirtualDisplay(Display display) {
         ALOGE("destroyVirtualDisplay failed %s", status.getDescription().c_str());
         return static_cast<Error>(status.getServiceSpecificError());
     }
+    removeDisplay(display);
     return Error::NONE;
 }
 
 Error AidlComposer::acceptDisplayChanges(Display display) {
-    mWriter.acceptDisplayChanges(translate<int64_t>(display));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().acceptDisplayChanges(translate<int64_t>(display));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::createLayer(Display display, Layer* outLayer) {
@@ -387,7 +406,17 @@ Error AidlComposer::getActiveConfig(Display display, Config* outConfig) {
 Error AidlComposer::getChangedCompositionTypes(
         Display display, std::vector<Layer>* outLayers,
         std::vector<aidl::android::hardware::graphics::composer3::Composition>* outTypes) {
-    const auto changedLayers = mReader.takeChangedCompositionTypes(translate<int64_t>(display));
+    std::vector<ChangedCompositionLayer> changedLayers;
+    Error error = Error::NONE;
+    {
+        mMutex.lock_shared();
+        if (auto reader = getReader(display)) {
+            changedLayers = reader->get().takeChangedCompositionTypes(translate<int64_t>(display));
+        } else {
+            error = Error::BAD_DISPLAY;
+        }
+        mMutex.unlock_shared();
+    }
     outLayers->reserve(changedLayers.size());
     outTypes->reserve(changedLayers.size());
 
@@ -395,7 +424,7 @@ Error AidlComposer::getChangedCompositionTypes(
         outLayers->emplace_back(translate<Layer>(layer.layer));
         outTypes->emplace_back(layer.composition);
     }
-    return Error::NONE;
+    return error;
 }
 
 Error AidlComposer::getColorModes(Display display, std::vector<ColorMode>* outModes) {
@@ -447,7 +476,17 @@ Error AidlComposer::getDisplayName(Display display, std::string* outName) {
 Error AidlComposer::getDisplayRequests(Display display, uint32_t* outDisplayRequestMask,
                                        std::vector<Layer>* outLayers,
                                        std::vector<uint32_t>* outLayerRequestMasks) {
-    const auto displayRequests = mReader.takeDisplayRequests(translate<int64_t>(display));
+    Error error = Error::NONE;
+    DisplayRequest displayRequests;
+    {
+        mMutex.lock_shared();
+        if (auto reader = getReader(display)) {
+            displayRequests = reader->get().takeDisplayRequests(translate<int64_t>(display));
+        } else {
+            error = Error::BAD_DISPLAY;
+        }
+        mMutex.unlock_shared();
+    }
     *outDisplayRequestMask = translate<uint32_t>(displayRequests.mask);
     outLayers->reserve(displayRequests.layerRequests.size());
     outLayerRequestMasks->reserve(displayRequests.layerRequests.size());
@@ -456,7 +495,7 @@ Error AidlComposer::getDisplayRequests(Display display, uint32_t* outDisplayRequ
         outLayers->emplace_back(translate<Layer>(layer.layer));
         outLayerRequestMasks->emplace_back(translate<uint32_t>(layer.mask));
     }
-    return Error::NONE;
+    return error;
 }
 
 Error AidlComposer::getDozeSupport(Display display, bool* outSupport) {
@@ -496,16 +535,35 @@ Error AidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTyp
         return static_cast<Error>(status.getServiceSpecificError());
     }
 
-    *outTypes = translate<Hdr>(capabilities.types);
+    *outTypes = capabilities.types;
     *outMaxLuminance = capabilities.maxLuminance;
     *outMaxAverageLuminance = capabilities.maxAverageLuminance;
     *outMinLuminance = capabilities.minLuminance;
     return Error::NONE;
 }
 
+Error AidlComposer::getOverlaySupport(AidlOverlayProperties* outProperties) {
+    const auto status = mAidlComposerClient->getOverlaySupport(outProperties);
+    if (!status.isOk()) {
+        ALOGE("getOverlaySupport failed %s", status.getDescription().c_str());
+        return static_cast<Error>(status.getServiceSpecificError());
+    }
+    return Error::NONE;
+}
+
 Error AidlComposer::getReleaseFences(Display display, std::vector<Layer>* outLayers,
                                      std::vector<int>* outReleaseFences) {
-    auto fences = mReader.takeReleaseFences(translate<int64_t>(display));
+    Error error = Error::NONE;
+    std::vector<ReleaseFences::Layer> fences;
+    {
+        mMutex.lock_shared();
+        if (auto reader = getReader(display)) {
+            fences = reader->get().takeReleaseFences(translate<int64_t>(display));
+        } else {
+            error = Error::BAD_DISPLAY;
+        }
+        mMutex.unlock_shared();
+    }
     outLayers->reserve(fences.size());
     outReleaseFences->reserve(fences.size());
 
@@ -516,19 +574,29 @@ Error AidlComposer::getReleaseFences(Display display, std::vector<Layer>* outLay
         *fence.fence.getR() = -1;
         outReleaseFences->emplace_back(fenceOwner);
     }
-    return Error::NONE;
+    return error;
 }
 
 Error AidlComposer::presentDisplay(Display display, int* outPresentFence) {
     ATRACE_NAME("HwcPresentDisplay");
-    mWriter.presentDisplay(translate<int64_t>(display));
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    auto writer = getWriter(display);
+    auto reader = getReader(display);
+    if (writer && reader) {
+        writer->get().presentDisplay(translate<int64_t>(display));
+        error = execute(display);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
 
-    Error error = execute();
     if (error != Error::NONE) {
+        mMutex.unlock_shared();
         return error;
     }
 
-    auto fence = mReader.takePresentFence(translate<int64_t>(display));
+    auto fence = reader->get().takePresentFence(translate<int64_t>(display));
+    mMutex.unlock_shared();
     // take ownership
     *outPresentFence = fence.get();
     *fence.getR() = -1;
@@ -553,11 +621,19 @@ Error AidlComposer::setClientTarget(Display display, uint32_t slot, const sp<Gra
         handle = target->getNativeBuffer()->handle;
     }
 
-    mWriter.setClientTarget(translate<int64_t>(display), slot, handle, acquireFence,
-                            translate<aidl::android::hardware::graphics::common::Dataspace>(
-                                    dataspace),
-                            translate<AidlRect>(damage));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get()
+                .setClientTarget(translate<int64_t>(display), slot, handle, acquireFence,
+                                 translate<aidl::android::hardware::graphics::common::Dataspace>(
+                                         dataspace),
+                                 translate<AidlRect>(damage));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setColorMode(Display display, ColorMode mode, RenderIntent renderIntent) {
@@ -573,14 +649,28 @@ Error AidlComposer::setColorMode(Display display, ColorMode mode, RenderIntent r
 }
 
 Error AidlComposer::setColorTransform(Display display, const float* matrix) {
-    mWriter.setColorTransform(translate<int64_t>(display), matrix);
-    return Error::NONE;
+    auto error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setColorTransform(translate<int64_t>(display), matrix);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setOutputBuffer(Display display, const native_handle_t* buffer,
                                     int releaseFence) {
-    mWriter.setOutputBuffer(translate<int64_t>(display), 0, buffer, dup(releaseFence));
-    return Error::NONE;
+    auto error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setOutputBuffer(translate<int64_t>(display), 0, buffer, dup(releaseFence));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setPowerMode(Display display, IComposerClient::PowerMode mode) {
@@ -618,16 +708,26 @@ Error AidlComposer::setClientTargetSlotCount(Display display) {
 Error AidlComposer::validateDisplay(Display display, nsecs_t expectedPresentTime,
                                     uint32_t* outNumTypes, uint32_t* outNumRequests) {
     ATRACE_NAME("HwcValidateDisplay");
-    mWriter.validateDisplay(translate<int64_t>(display),
-                            ClockMonotonicTimestamp{expectedPresentTime});
+    const auto displayId = translate<int64_t>(display);
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    auto writer = getWriter(display);
+    auto reader = getReader(display);
+    if (writer && reader) {
+        writer->get().validateDisplay(displayId, ClockMonotonicTimestamp{expectedPresentTime});
+        error = execute(display);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
 
-    Error error = execute();
     if (error != Error::NONE) {
+        mMutex.unlock_shared();
         return error;
     }
 
-    mReader.hasChanges(translate<int64_t>(display), outNumTypes, outNumRequests);
+    reader->get().hasChanges(displayId, outNumTypes, outNumRequests);
 
+    mMutex.unlock_shared();
     return Error::NONE;
 }
 
@@ -635,39 +735,59 @@ Error AidlComposer::presentOrValidateDisplay(Display display, nsecs_t expectedPr
                                              uint32_t* outNumTypes, uint32_t* outNumRequests,
                                              int* outPresentFence, uint32_t* state) {
     ATRACE_NAME("HwcPresentOrValidateDisplay");
-    mWriter.presentOrvalidateDisplay(translate<int64_t>(display),
-                                     ClockMonotonicTimestamp{expectedPresentTime});
+    const auto displayId = translate<int64_t>(display);
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    auto writer = getWriter(display);
+    auto reader = getReader(display);
+    if (writer && reader) {
+        writer->get().presentOrvalidateDisplay(displayId,
+                                               ClockMonotonicTimestamp{expectedPresentTime});
+        error = execute(display);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
 
-    Error error = execute();
     if (error != Error::NONE) {
+        mMutex.unlock_shared();
         return error;
     }
 
-    const auto result = mReader.takePresentOrValidateStage(translate<int64_t>(display));
+    const auto result = reader->get().takePresentOrValidateStage(displayId);
     if (!result.has_value()) {
         *state = translate<uint32_t>(-1);
+        mMutex.unlock_shared();
         return Error::NO_RESOURCES;
     }
 
     *state = translate<uint32_t>(*result);
 
     if (*result == PresentOrValidate::Result::Presented) {
-        auto fence = mReader.takePresentFence(translate<int64_t>(display));
+        auto fence = reader->get().takePresentFence(displayId);
         // take ownership
         *outPresentFence = fence.get();
         *fence.getR() = -1;
     }
 
     if (*result == PresentOrValidate::Result::Validated) {
-        mReader.hasChanges(translate<int64_t>(display), outNumTypes, outNumRequests);
+        reader->get().hasChanges(displayId, outNumTypes, outNumRequests);
     }
 
+    mMutex.unlock_shared();
     return Error::NONE;
 }
 
 Error AidlComposer::setCursorPosition(Display display, Layer layer, int32_t x, int32_t y) {
-    mWriter.setLayerCursorPosition(translate<int64_t>(display), translate<int64_t>(layer), x, y);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerCursorPosition(translate<int64_t>(display), translate<int64_t>(layer),
+                                             x, y);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerBuffer(Display display, Layer layer, uint32_t slot,
@@ -677,90 +797,190 @@ Error AidlComposer::setLayerBuffer(Display display, Layer layer, uint32_t slot,
         handle = buffer->getNativeBuffer()->handle;
     }
 
-    mWriter.setLayerBuffer(translate<int64_t>(display), translate<int64_t>(layer), slot, handle,
-                           acquireFence);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerBuffer(translate<int64_t>(display), translate<int64_t>(layer), slot,
+                                     handle, acquireFence);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerSurfaceDamage(Display display, Layer layer,
                                           const std::vector<IComposerClient::Rect>& damage) {
-    mWriter.setLayerSurfaceDamage(translate<int64_t>(display), translate<int64_t>(layer),
-                                  translate<AidlRect>(damage));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerSurfaceDamage(translate<int64_t>(display), translate<int64_t>(layer),
+                                            translate<AidlRect>(damage));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerBlendMode(Display display, Layer layer,
                                       IComposerClient::BlendMode mode) {
-    mWriter.setLayerBlendMode(translate<int64_t>(display), translate<int64_t>(layer),
-                              translate<BlendMode>(mode));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerBlendMode(translate<int64_t>(display), translate<int64_t>(layer),
+                                        translate<BlendMode>(mode));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerColor(Display display, Layer layer, const Color& color) {
-    mWriter.setLayerColor(translate<int64_t>(display), translate<int64_t>(layer), color);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerColor(translate<int64_t>(display), translate<int64_t>(layer), color);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerCompositionType(
         Display display, Layer layer,
         aidl::android::hardware::graphics::composer3::Composition type) {
-    mWriter.setLayerCompositionType(translate<int64_t>(display), translate<int64_t>(layer), type);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerCompositionType(translate<int64_t>(display),
+                                              translate<int64_t>(layer), type);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerDataspace(Display display, Layer layer, Dataspace dataspace) {
-    mWriter.setLayerDataspace(translate<int64_t>(display), translate<int64_t>(layer),
-                              translate<AidlDataspace>(dataspace));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerDataspace(translate<int64_t>(display), translate<int64_t>(layer),
+                                        translate<AidlDataspace>(dataspace));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerDisplayFrame(Display display, Layer layer,
                                          const IComposerClient::Rect& frame) {
-    mWriter.setLayerDisplayFrame(translate<int64_t>(display), translate<int64_t>(layer),
-                                 translate<AidlRect>(frame));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerDisplayFrame(translate<int64_t>(display), translate<int64_t>(layer),
+                                           translate<AidlRect>(frame));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerPlaneAlpha(Display display, Layer layer, float alpha) {
-    mWriter.setLayerPlaneAlpha(translate<int64_t>(display), translate<int64_t>(layer), alpha);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerPlaneAlpha(translate<int64_t>(display), translate<int64_t>(layer),
+                                         alpha);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerSidebandStream(Display display, Layer layer,
                                            const native_handle_t* stream) {
-    mWriter.setLayerSidebandStream(translate<int64_t>(display), translate<int64_t>(layer), stream);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerSidebandStream(translate<int64_t>(display), translate<int64_t>(layer),
+                                             stream);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerSourceCrop(Display display, Layer layer,
                                        const IComposerClient::FRect& crop) {
-    mWriter.setLayerSourceCrop(translate<int64_t>(display), translate<int64_t>(layer),
-                               translate<AidlFRect>(crop));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerSourceCrop(translate<int64_t>(display), translate<int64_t>(layer),
+                                         translate<AidlFRect>(crop));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerTransform(Display display, Layer layer, Transform transform) {
-    mWriter.setLayerTransform(translate<int64_t>(display), translate<int64_t>(layer),
-                              translate<AidlTransform>(transform));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerTransform(translate<int64_t>(display), translate<int64_t>(layer),
+                                        translate<AidlTransform>(transform));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerVisibleRegion(Display display, Layer layer,
                                           const std::vector<IComposerClient::Rect>& visible) {
-    mWriter.setLayerVisibleRegion(translate<int64_t>(display), translate<int64_t>(layer),
-                                  translate<AidlRect>(visible));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerVisibleRegion(translate<int64_t>(display), translate<int64_t>(layer),
+                                            translate<AidlRect>(visible));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerZOrder(Display display, Layer layer, uint32_t z) {
-    mWriter.setLayerZOrder(translate<int64_t>(display), translate<int64_t>(layer), z);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerZOrder(translate<int64_t>(display), translate<int64_t>(layer), z);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
-Error AidlComposer::execute() {
-    const auto& commands = mWriter.getPendingCommands();
+Error AidlComposer::execute(Display display) {
+    auto writer = getWriter(display);
+    auto reader = getReader(display);
+    if (!writer || !reader) {
+        return Error::BAD_DISPLAY;
+    }
+
+    const auto& commands = writer->get().getPendingCommands();
     if (commands.empty()) {
-        mWriter.reset();
+        writer->get().reset();
         return Error::NONE;
     }
 
@@ -772,9 +992,9 @@ Error AidlComposer::execute() {
             return static_cast<Error>(status.getServiceSpecificError());
         }
 
-        mReader.parse(std::move(results));
+        reader->get().parse(std::move(results));
     }
-    const auto commandErrors = mReader.takeErrors();
+    const auto commandErrors = reader->get().takeErrors();
     Error error = Error::NONE;
     for (const auto& cmdErr : commandErrors) {
         const auto index = static_cast<size_t>(cmdErr.commandIndex);
@@ -792,7 +1012,7 @@ Error AidlComposer::execute() {
         }
     }
 
-    mWriter.reset();
+    writer->get().reset();
 
     return error;
 }
@@ -800,9 +1020,17 @@ Error AidlComposer::execute() {
 Error AidlComposer::setLayerPerFrameMetadata(
         Display display, Layer layer,
         const std::vector<IComposerClient::PerFrameMetadata>& perFrameMetadatas) {
-    mWriter.setLayerPerFrameMetadata(translate<int64_t>(display), translate<int64_t>(layer),
-                                     translate<AidlPerFrameMetadata>(perFrameMetadatas));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerPerFrameMetadata(translate<int64_t>(display),
+                                               translate<int64_t>(layer),
+                                               translate<AidlPerFrameMetadata>(perFrameMetadatas));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 std::vector<IComposerClient::PerFrameMetadataKey> AidlComposer::getPerFrameMetadataKeys(
@@ -862,8 +1090,16 @@ Error AidlComposer::getDisplayIdentificationData(Display display, uint8_t* outPo
 }
 
 Error AidlComposer::setLayerColorTransform(Display display, Layer layer, const float* matrix) {
-    mWriter.setLayerColorTransform(translate<int64_t>(display), translate<int64_t>(layer), matrix);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerColorTransform(translate<int64_t>(display), translate<int64_t>(layer),
+                                             matrix);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
@@ -926,20 +1162,36 @@ Error AidlComposer::getDisplayedContentSample(Display display, uint64_t maxFrame
 Error AidlComposer::setLayerPerFrameMetadataBlobs(
         Display display, Layer layer,
         const std::vector<IComposerClient::PerFrameMetadataBlob>& metadata) {
-    mWriter.setLayerPerFrameMetadataBlobs(translate<int64_t>(display), translate<int64_t>(layer),
-                                          translate<AidlPerFrameMetadataBlob>(metadata));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerPerFrameMetadataBlobs(translate<int64_t>(display),
+                                                    translate<int64_t>(layer),
+                                                    translate<AidlPerFrameMetadataBlob>(metadata));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setDisplayBrightness(Display display, float brightness, float brightnessNits,
                                          const DisplayBrightnessOptions& options) {
-    mWriter.setDisplayBrightness(translate<int64_t>(display), brightness, brightnessNits);
-
-    if (options.applyImmediately) {
-        return execute();
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setDisplayBrightness(translate<int64_t>(display), brightness, brightnessNits);
+
+        if (options.applyImmediately) {
+            error = execute(display);
+            mMutex.unlock_shared();
+            return error;
+        }
+    } else {
+        error = Error::BAD_DISPLAY;
     }
-
-    return Error::NONE;
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::getDisplayCapabilities(Display display,
@@ -1079,20 +1331,43 @@ Error AidlComposer::getPreferredBootDisplayConfig(Display display, Config* confi
 
 Error AidlComposer::getClientTargetProperty(
         Display display, ClientTargetPropertyWithBrightness* outClientTargetProperty) {
-    *outClientTargetProperty = mReader.takeClientTargetProperty(translate<int64_t>(display));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto reader = getReader(display)) {
+        *outClientTargetProperty =
+                reader->get().takeClientTargetProperty(translate<int64_t>(display));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerBrightness(Display display, Layer layer, float brightness) {
-    mWriter.setLayerBrightness(translate<int64_t>(display), translate<int64_t>(layer), brightness);
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerBrightness(translate<int64_t>(display), translate<int64_t>(layer),
+                                         brightness);
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::setLayerBlockingRegion(Display display, Layer layer,
                                            const std::vector<IComposerClient::Rect>& blocking) {
-    mWriter.setLayerBlockingRegion(translate<int64_t>(display), translate<int64_t>(layer),
-                                   translate<AidlRect>(blocking));
-    return Error::NONE;
+    Error error = Error::NONE;
+    mMutex.lock_shared();
+    if (auto writer = getWriter(display)) {
+        writer->get().setLayerBlockingRegion(translate<int64_t>(display), translate<int64_t>(layer),
+                                             translate<AidlRect>(blocking));
+    } else {
+        error = Error::BAD_DISPLAY;
+    }
+    mMutex.unlock_shared();
+    return error;
 }
 
 Error AidlComposer::getDisplayDecorationSupport(Display display,
@@ -1130,5 +1405,88 @@ Error AidlComposer::getPhysicalDisplayOrientation(Display displayId,
     return Error::NONE;
 }
 
+ftl::Optional<std::reference_wrapper<ComposerClientWriter>> AidlComposer::getWriter(Display display)
+        REQUIRES_SHARED(mMutex) {
+    return mWriters.get(display);
+}
+
+ftl::Optional<std::reference_wrapper<ComposerClientReader>> AidlComposer::getReader(Display display)
+        REQUIRES_SHARED(mMutex) {
+    if (mSingleReader) {
+        display = translate<Display>(kSingleReaderKey);
+    }
+    return mReaders.get(display);
+}
+
+void AidlComposer::removeDisplay(Display display) {
+    mMutex.lock();
+    bool wasErased = mWriters.erase(display);
+    ALOGW_IF(!wasErased,
+             "Attempting to remove writer for display %" PRId64 " which is not connected",
+             translate<int64_t>(display));
+    if (!mSingleReader) {
+        removeReader(display);
+    }
+    mMutex.unlock();
+}
+
+void AidlComposer::onHotplugDisconnect(Display display) {
+    removeDisplay(display);
+}
+
+bool AidlComposer::hasMultiThreadedPresentSupport(Display display) {
+    const auto displayId = translate<int64_t>(display);
+    std::vector<AidlDisplayCapability> capabilities;
+    const auto status = mAidlComposerClient->getDisplayCapabilities(displayId, &capabilities);
+    if (!status.isOk()) {
+        ALOGE("getDisplayCapabilities failed %s", status.getDescription().c_str());
+        return false;
+    }
+    return std::find(capabilities.begin(), capabilities.end(),
+                     AidlDisplayCapability::MULTI_THREADED_PRESENT) != capabilities.end();
+}
+
+void AidlComposer::addReader(Display display) {
+    const auto displayId = translate<int64_t>(display);
+    std::optional<int64_t> displayOpt;
+    if (displayId != kSingleReaderKey) {
+        displayOpt.emplace(displayId);
+    }
+    auto [it, added] = mReaders.try_emplace(display, std::move(displayOpt));
+    ALOGW_IF(!added, "Attempting to add writer for display %" PRId64 " which is already connected",
+             displayId);
+}
+
+void AidlComposer::removeReader(Display display) {
+    bool wasErased = mReaders.erase(display);
+    ALOGW_IF(!wasErased,
+             "Attempting to remove reader for display %" PRId64 " which is not connected",
+             translate<int64_t>(display));
+}
+
+void AidlComposer::addDisplay(Display display) {
+    const auto displayId = translate<int64_t>(display);
+    mMutex.lock();
+    auto [it, added] = mWriters.try_emplace(display, displayId);
+    ALOGW_IF(!added, "Attempting to add writer for display %" PRId64 " which is already connected",
+             displayId);
+    if (mSingleReader) {
+        if (hasMultiThreadedPresentSupport(display)) {
+            mSingleReader = false;
+            removeReader(translate<Display>(kSingleReaderKey));
+            // Note that this includes the new display.
+            for (const auto& [existingDisplay, _] : mWriters) {
+                addReader(existingDisplay);
+            }
+        }
+    } else {
+        addReader(display);
+    }
+    mMutex.unlock();
+}
+
+void AidlComposer::onHotplugConnect(Display display) {
+    addDisplay(display);
+}
 } // namespace Hwc2
 } // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
index 18d2242c7e..2a043fd0db 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
@@ -17,10 +17,12 @@
 #pragma once
 
 #include "ComposerHal.h"
+#include <ftl/shared_mutex.h>
+#include <ftl/small_map.h>
 
+#include <functional>
 #include <optional>
 #include <string>
-#include <unordered_map>
 #include <utility>
 #include <vector>
 
@@ -48,6 +50,7 @@ namespace android::Hwc2 {
 using aidl::android::hardware::graphics::common::DisplayDecorationSupport;
 using aidl::android::hardware::graphics::composer3::ComposerClientReader;
 using aidl::android::hardware::graphics::composer3::ComposerClientWriter;
+using aidl::android::hardware::graphics::composer3::OverlayProperties;
 
 class AidlIComposerCallbackWrapper;
 
@@ -69,10 +72,10 @@ public:
 
     // Reset all pending commands in the command buffer. Useful if you want to
     // skip a frame but have already queued some commands.
-    void resetCommands() override;
+    void resetCommands(Display) override;
 
     // Explicitly flush all pending commands in the command buffer.
-    Error executeCommands() override;
+    Error executeCommands(Display) override;
 
     uint32_t getMaxVirtualDisplayCount() override;
     Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
@@ -101,8 +104,9 @@ public:
 
     Error getDozeSupport(Display display, bool* outSupport) override;
     Error hasDisplayIdleTimerCapability(Display display, bool* outSupport) override;
-    Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, float* outMaxLuminance,
+    Error getHdrCapabilities(Display display, std::vector<Hdr>* outHdrTypes, float* outMaxLuminance,
                              float* outMaxAverageLuminance, float* outMinLuminance) override;
+    Error getOverlaySupport(OverlayProperties* outProperties) override;
 
     Error getReleaseFences(Display display, std::vector<Layer>* outLayers,
                            std::vector<int>* outReleaseFences) override;
@@ -226,16 +230,29 @@ public:
 
     Error getPhysicalDisplayOrientation(Display displayId,
                                         AidlTransform* outDisplayOrientation) override;
+    void onHotplugConnect(Display) override;
+    void onHotplugDisconnect(Display) override;
 
 private:
     // Many public functions above simply write a command into the command
     // queue to batch the calls.  validateDisplay and presentDisplay will call
     // this function to execute the command queue.
-    Error execute();
+    Error execute(Display) REQUIRES_SHARED(mMutex);
 
     // returns the default instance name for the given service
     static std::string instance(const std::string& serviceName);
 
+    ftl::Optional<std::reference_wrapper<ComposerClientWriter>> getWriter(Display)
+            REQUIRES_SHARED(mMutex);
+    ftl::Optional<std::reference_wrapper<ComposerClientReader>> getReader(Display)
+            REQUIRES_SHARED(mMutex);
+    void addDisplay(Display) EXCLUDES(mMutex);
+    void removeDisplay(Display) EXCLUDES(mMutex);
+    void addReader(Display) REQUIRES(mMutex);
+    void removeReader(Display) REQUIRES(mMutex);
+
+    bool hasMultiThreadedPresentSupport(Display);
+
     // 64KiB minus a small space for metadata such as read/write pointers
     static constexpr size_t kWriterInitialSize = 64 * 1024 / sizeof(uint32_t) - 16;
     // Max number of buffers that may be cached for a given layer
@@ -243,8 +260,25 @@ private:
     // 1. Tightly coupling this cache to the max size of BufferQueue
     // 2. Adding an additional slot for the layer caching feature in SurfaceFlinger (see: Planner.h)
     static const constexpr uint32_t kMaxLayerBufferCount = BufferQueue::NUM_BUFFER_SLOTS + 1;
-    ComposerClientWriter mWriter;
-    ComposerClientReader mReader;
+
+    // Without DisplayCapability::MULTI_THREADED_PRESENT, we use a single reader
+    // for all displays. With the capability, we use a separate reader for each
+    // display.
+    bool mSingleReader = true;
+    // Invalid displayId used as a key to mReaders when mSingleReader is true.
+    static constexpr int64_t kSingleReaderKey = 0;
+
+    // TODO (b/256881188): Use display::PhysicalDisplayMap instead of hard-coded `3`
+    ftl::SmallMap<Display, ComposerClientWriter, 3> mWriters GUARDED_BY(mMutex);
+    ftl::SmallMap<Display, ComposerClientReader, 3> mReaders GUARDED_BY(mMutex);
+    // Protect access to mWriters and mReaders with a shared_mutex. Adding and
+    // removing a display require exclusive access, since the iterator or the
+    // writer/reader may be invalidated. Other calls need shared access while
+    // using the writer/reader, so they can use their display's writer/reader
+    // without it being deleted or the iterator being invalidated.
+    // TODO (b/257958323): Use std::shared_mutex and RAII once they support
+    // threading annotations.
+    ftl::SharedMutex mMutex;
 
     // Aidl interface
     using AidlIComposer = aidl::android::hardware::graphics::composer3::IComposer;
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index d266d942fb..ec23935dbd 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -38,6 +38,7 @@
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
 #include <aidl/android/hardware/graphics/composer3/IComposerCallback.h>
+#include <aidl/android/hardware/graphics/composer3/OverlayProperties.h>
 
 #include <aidl/android/hardware/graphics/common/Transform.h>
 #include <optional>
@@ -65,7 +66,6 @@ using types::V1_0::Transform;
 using types::V1_1::RenderIntent;
 using types::V1_2::ColorMode;
 using types::V1_2::Dataspace;
-using types::V1_2::Hdr;
 using types::V1_2::PixelFormat;
 
 using V2_1::Config;
@@ -83,6 +83,7 @@ using PerFrameMetadata = IComposerClient::PerFrameMetadata;
 using PerFrameMetadataKey = IComposerClient::PerFrameMetadataKey;
 using PerFrameMetadataBlob = IComposerClient::PerFrameMetadataBlob;
 using AidlTransform = ::aidl::android::hardware::graphics::common::Transform;
+using aidl::android::hardware::graphics::common::Hdr;
 
 class Composer {
 public:
@@ -109,10 +110,10 @@ public:
 
     // Reset all pending commands in the command buffer. Useful if you want to
     // skip a frame but have already queued some commands.
-    virtual void resetCommands() = 0;
+    virtual void resetCommands(Display) = 0;
 
     // Explicitly flush all pending commands in the command buffer.
-    virtual Error executeCommands() = 0;
+    virtual Error executeCommands(Display) = 0;
 
     virtual uint32_t getMaxVirtualDisplayCount() = 0;
     virtual Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat*,
@@ -139,7 +140,7 @@ public:
 
     virtual Error getDozeSupport(Display display, bool* outSupport) = 0;
     virtual Error hasDisplayIdleTimerCapability(Display display, bool* outSupport) = 0;
-    virtual Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes,
+    virtual Error getHdrCapabilities(Display display, std::vector<Hdr>* outHdrTypes,
                                      float* outMaxLuminance, float* outMaxAverageLuminance,
                                      float* outMinLuminance) = 0;
 
@@ -281,6 +282,9 @@ public:
     virtual Error setIdleTimerEnabled(Display displayId, std::chrono::milliseconds timeout) = 0;
     virtual Error getPhysicalDisplayOrientation(Display displayId,
                                                 AidlTransform* outDisplayOrientation) = 0;
+    virtual Error getOverlaySupport(V3_0::OverlayProperties* outProperties) = 0;
+    virtual void onHotplugConnect(Display) = 0;
+    virtual void onHotplugDisconnect(Display) = 0;
 };
 
 } // namespace Hwc2
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
index eb14933a61..ce602a8ad9 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
@@ -72,6 +72,10 @@ FramebufferSurface::FramebufferSurface(HWComposer& hwc, PhysicalDisplayId displa
     mConsumer->setDefaultBufferSize(limitedSize.width, limitedSize.height);
     mConsumer->setMaxAcquiredBufferCount(
             SurfaceFlinger::maxFrameBufferAcquiredBuffers - 1);
+
+    for (size_t i = 0; i < sizeof(mHwcBufferIds) / sizeof(mHwcBufferIds[0]); ++i) {
+        mHwcBufferIds[i] = UINT64_MAX;
+    }
 }
 
 void FramebufferSurface::resizeBuffers(const ui::Size& newSize) {
@@ -88,31 +92,16 @@ status_t FramebufferSurface::prepareFrame(CompositionType /*compositionType*/) {
 }
 
 status_t FramebufferSurface::advanceFrame() {
-    uint32_t slot = 0;
-    sp<GraphicBuffer> buf;
-    sp<Fence> acquireFence(Fence::NO_FENCE);
-    Dataspace dataspace = Dataspace::UNKNOWN;
-    status_t result = nextBuffer(slot, buf, acquireFence, dataspace);
-    mDataSpace = dataspace;
-    if (result != NO_ERROR) {
-        ALOGE("error latching next FramebufferSurface buffer: %s (%d)",
-                strerror(-result), result);
-    }
-    return result;
-}
-
-status_t FramebufferSurface::nextBuffer(uint32_t& outSlot,
-        sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence,
-        Dataspace& outDataspace) {
     Mutex::Autolock lock(mMutex);
 
     BufferItem item;
     status_t err = acquireBufferLocked(&item, 0);
     if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
-        mHwcBufferCache.getHwcBuffer(mCurrentBufferSlot, mCurrentBuffer, &outSlot, &outBuffer);
+        mDataspace = Dataspace::UNKNOWN;
         return NO_ERROR;
     } else if (err != NO_ERROR) {
         ALOGE("error acquiring buffer: %s (%d)", strerror(-err), err);
+        mDataspace = Dataspace::UNKNOWN;
         return err;
     }
 
@@ -133,13 +122,18 @@ status_t FramebufferSurface::nextBuffer(uint32_t& outSlot,
     mCurrentBufferSlot = item.mSlot;
     mCurrentBuffer = mSlots[mCurrentBufferSlot].mGraphicBuffer;
     mCurrentFence = item.mFence;
+    mDataspace = static_cast<Dataspace>(item.mDataSpace);
 
-    outFence = item.mFence;
-    mHwcBufferCache.getHwcBuffer(mCurrentBufferSlot, mCurrentBuffer, &outSlot, &outBuffer);
-    outDataspace = static_cast<Dataspace>(item.mDataSpace);
-    status_t result = mHwc.setClientTarget(mDisplayId, outSlot, outFence, outBuffer, outDataspace);
+    // assume HWC has previously seen the buffer in this slot
+    sp<GraphicBuffer> hwcBuffer = sp<GraphicBuffer>(nullptr);
+    if (mCurrentBuffer->getId() != mHwcBufferIds[mCurrentBufferSlot]) {
+        mHwcBufferIds[mCurrentBufferSlot] = mCurrentBuffer->getId();
+        hwcBuffer = mCurrentBuffer; // HWC hasn't previously seen this buffer in this slot
+    }
+    status_t result = mHwc.setClientTarget(mDisplayId, mCurrentBufferSlot, mCurrentFence, hwcBuffer,
+                                           mDataspace);
     if (result != NO_ERROR) {
-        ALOGE("error posting framebuffer: %d", result);
+        ALOGE("error posting framebuffer: %s (%d)", strerror(-result), result);
         return result;
     }
 
@@ -190,7 +184,7 @@ ui::Size FramebufferSurface::limitSizeInternal(const ui::Size& size, const ui::S
         limitedSize.width = maxSize.height * aspectRatio;
         wasLimited = true;
     }
-    ALOGI_IF(wasLimited, "framebuffer size has been limited to [%dx%d] from [%dx%d]",
+    ALOGI_IF(wasLimited, "Framebuffer size has been limited to [%dx%d] from [%dx%d]",
              limitedSize.width, limitedSize.height, size.width, size.height);
     return limitedSize;
 }
@@ -198,9 +192,9 @@ ui::Size FramebufferSurface::limitSizeInternal(const ui::Size& size, const ui::S
 void FramebufferSurface::dumpAsString(String8& result) const {
     Mutex::Autolock lock(mMutex);
     result.append("   FramebufferSurface\n");
-    result.appendFormat("      mDataSpace=%s (%d)\n",
-                        dataspaceDetails(static_cast<android_dataspace>(mDataSpace)).c_str(),
-                        mDataSpace);
+    result.appendFormat("      mDataspace=%s (%d)\n",
+                        dataspaceDetails(static_cast<android_dataspace>(mDataspace)).c_str(),
+                        mDataspace);
     ConsumerBase::dumpLocked(result, "      ");
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
index d41a856e68..0b863daf47 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
@@ -21,7 +21,7 @@
 #include <sys/types.h>
 
 #include <compositionengine/DisplaySurface.h>
-#include <compositionengine/impl/HwcBufferCache.h>
+#include <gui/BufferQueue.h>
 #include <gui/ConsumerBase.h>
 #include <ui/DisplayId.h>
 #include <ui/Size.h>
@@ -69,12 +69,6 @@ private:
 
     virtual void dumpLocked(String8& result, const char* prefix) const;
 
-    // nextBuffer waits for and then latches the next buffer from the
-    // BufferQueue and releases the previously latched buffer to the
-    // BufferQueue.  The new buffer is returned in the 'buffer' argument.
-    status_t nextBuffer(uint32_t& outSlot, sp<GraphicBuffer>& outBuffer,
-            sp<Fence>& outFence, ui::Dataspace& outDataspace);
-
     const PhysicalDisplayId mDisplayId;
 
     // Framebuffer size has a dimension limitation in pixels based on the graphics capabilities of
@@ -91,7 +85,7 @@ private:
     // compositing. Otherwise it will display the dataspace of the buffer
     // use for compositing which can change as wide-color content is
     // on/off.
-    ui::Dataspace mDataSpace;
+    ui::Dataspace mDataspace;
 
     // mCurrentBuffer is the current buffer or nullptr to indicate that there is
     // no current buffer.
@@ -103,7 +97,9 @@ private:
     // Hardware composer, owned by SurfaceFlinger.
     HWComposer& mHwc;
 
-    compositionengine::impl::HwcBufferCache mHwcBufferCache;
+    // Buffers that HWC has seen before, indexed by slot number.
+    // NOTE: The BufferQueue slot number is the same as the HWC slot number.
+    uint64_t mHwcBufferIds[BufferQueue::NUM_BUFFER_SLOTS];
 
     // Previous buffer to release after getting an updated retire fence
     bool mHasPendingRelease;
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index c52e96d146..d0126d05ff 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -40,6 +40,7 @@ using aidl::android::hardware::graphics::composer3::Color;
 using aidl::android::hardware::graphics::composer3::Composition;
 using AidlCapability = aidl::android::hardware::graphics::composer3::Capability;
 using aidl::android::hardware::graphics::composer3::DisplayCapability;
+using aidl::android::hardware::graphics::composer3::OverlayProperties;
 
 namespace android {
 
@@ -319,20 +320,25 @@ Error Display::getHdrCapabilities(HdrCapabilities* outCapabilities) const
     float maxLuminance = -1.0f;
     float maxAverageLuminance = -1.0f;
     float minLuminance = -1.0f;
-    std::vector<Hwc2::Hdr> types;
-    auto intError = mComposer.getHdrCapabilities(mId, &types,
-            &maxLuminance, &maxAverageLuminance, &minLuminance);
+    std::vector<Hwc2::Hdr> hdrTypes;
+    auto intError = mComposer.getHdrCapabilities(mId, &hdrTypes, &maxLuminance,
+                                                 &maxAverageLuminance, &minLuminance);
     auto error = static_cast<HWC2::Error>(intError);
 
     if (error != Error::NONE) {
         return error;
     }
 
-    *outCapabilities = HdrCapabilities(std::move(types),
-            maxLuminance, maxAverageLuminance, minLuminance);
+    *outCapabilities =
+            HdrCapabilities(std::move(hdrTypes), maxLuminance, maxAverageLuminance, minLuminance);
     return Error::NONE;
 }
 
+Error Display::getOverlaySupport(OverlayProperties* outProperties) const {
+    auto intError = mComposer.getOverlaySupport(outProperties);
+    return static_cast<Error>(intError);
+}
+
 Error Display::getDisplayedContentSamplingAttributes(hal::PixelFormat* outFormat,
                                                      Dataspace* outDataspace,
                                                      uint8_t* outComponentMask) const {
@@ -369,7 +375,7 @@ Error Display::getReleaseFences(std::unordered_map<HWC2::Layer*, sp<Fence>>* out
     for (uint32_t element = 0; element < numElements; ++element) {
         auto layer = getLayerById(layerIds[element]);
         if (layer) {
-            sp<Fence> fence(new Fence(fenceFds[element]));
+            sp<Fence> fence(sp<Fence>::make(fenceFds[element]));
             releaseFences.emplace(layer.get(), fence);
         } else {
             ALOGE("getReleaseFences: invalid layer %" PRIu64
@@ -394,7 +400,7 @@ Error Display::present(sp<Fence>* outPresentFence)
         return error;
     }
 
-    *outPresentFence = new Fence(presentFenceFd);
+    *outPresentFence = sp<Fence>::make(presentFenceFd);
     return Error::NONE;
 }
 
@@ -532,7 +538,7 @@ Error Display::presentOrValidate(nsecs_t expectedPresentTime, uint32_t* outNumTy
     }
 
     if (*state == 1) {
-        *outPresentFence = new Fence(presentFenceFd);
+        *outPresentFence = sp<Fence>::make(presentFenceFd);
     }
 
     if (*state == 0) {
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 24aef9b73c..4971d19cc4 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -43,6 +43,7 @@
 #include <aidl/android/hardware/graphics/composer3/Color.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
+#include <aidl/android/hardware/graphics/composer3/OverlayProperties.h>
 
 namespace android {
 
@@ -70,7 +71,7 @@ namespace hal = android::hardware::graphics::composer::hal;
 struct ComposerCallback {
     virtual void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) = 0;
     virtual void onComposerHalRefresh(hal::HWDisplayId) = 0;
-    virtual void onComposerHalVsync(hal::HWDisplayId, int64_t timestamp,
+    virtual void onComposerHalVsync(hal::HWDisplayId, nsecs_t timestamp,
                                     std::optional<hal::VsyncPeriodNanos>) = 0;
     virtual void onComposerHalVsyncPeriodTimingChanged(hal::HWDisplayId,
                                                        const hal::VsyncPeriodChangeTimeline&) = 0;
@@ -88,7 +89,7 @@ public:
 
     virtual hal::HWDisplayId getId() const = 0;
     virtual bool isConnected() const = 0;
-    virtual void setConnected(bool connected) = 0; // For use by Device only
+    virtual void setConnected(bool connected) = 0; // For use by HWComposer only
     virtual bool hasCapability(
             aidl::android::hardware::graphics::composer3::DisplayCapability) const = 0;
     virtual bool isVsyncPeriodSwitchSupported() const = 0;
@@ -117,6 +118,9 @@ public:
     [[nodiscard]] virtual hal::Error supportsDoze(bool* outSupport) const = 0;
     [[nodiscard]] virtual hal::Error getHdrCapabilities(
             android::HdrCapabilities* outCapabilities) const = 0;
+    [[nodiscard]] virtual hal::Error getOverlaySupport(
+            aidl::android::hardware::graphics::composer3::OverlayProperties* outProperties)
+            const = 0;
     [[nodiscard]] virtual hal::Error getDisplayedContentSamplingAttributes(
             hal::PixelFormat* outFormat, hal::Dataspace* outDataspace,
             uint8_t* outComponentMask) const = 0;
@@ -204,6 +208,8 @@ public:
     hal::Error getConnectionType(ui::DisplayConnectionType*) const override;
     hal::Error supportsDoze(bool* outSupport) const override EXCLUDES(mDisplayCapabilitiesMutex);
     hal::Error getHdrCapabilities(android::HdrCapabilities* outCapabilities) const override;
+    hal::Error getOverlaySupport(aidl::android::hardware::graphics::composer3::OverlayProperties*
+                                         outProperties) const override;
     hal::Error getDisplayedContentSamplingAttributes(hal::PixelFormat* outFormat,
                                                      hal::Dataspace* outDataspace,
                                                      uint8_t* outComponentMask) const override;
@@ -253,7 +259,7 @@ public:
     // Other Display methods
     hal::HWDisplayId getId() const override { return mId; }
     bool isConnected() const override { return mIsConnected; }
-    void setConnected(bool connected) override; // For use by Device only
+    void setConnected(bool connected) override;
     bool hasCapability(aidl::android::hardware::graphics::composer3::DisplayCapability)
             const override EXCLUDES(mDisplayCapabilitiesMutex);
     bool isVsyncPeriodSwitchSupported() const override;
@@ -271,7 +277,7 @@ private:
 
     // Member variables
 
-    // These are references to data owned by HWC2::Device, which will outlive
+    // These are references to data owned by HWComposer, which will outlive
     // this HWC2::Display, so these references are guaranteed to be valid for
     // the lifetime of this object.
     android::Hwc2::Composer& mComposer;
@@ -383,7 +389,7 @@ public:
     hal::Error setBlockingRegion(const android::Region& region) override;
 
 private:
-    // These are references to data owned by HWC2::Device, which will outlive
+    // These are references to data owned by HWComposer, which will outlive
     // this HWC2::Layer, so these references are guaranteed to be valid for
     // the lifetime of this object.
     android::Hwc2::Composer& mComposer;
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index a6aee1f2f5..10fde2af8e 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -96,6 +96,7 @@ HWComposer::~HWComposer() {
 void HWComposer::setCallback(HWC2::ComposerCallback& callback) {
     loadCapabilities();
     loadLayerMetadataSupport();
+    loadOverlayProperties();
 
     if (mRegisteredCallback) {
         ALOGW("Callback already registered. Ignored extra registration attempt.");
@@ -144,7 +145,7 @@ bool HWComposer::updatesDeviceProductInfoOnHotplugReconnect() const {
     return mUpdateDeviceProductInfoOnHotplugReconnect;
 }
 
-bool HWComposer::onVsync(hal::HWDisplayId hwcDisplayId, int64_t timestamp) {
+bool HWComposer::onVsync(hal::HWDisplayId hwcDisplayId, nsecs_t timestamp) {
     const auto displayId = toPhysicalDisplayId(hwcDisplayId);
     if (!displayId) {
         LOG_HWC_DISPLAY_ERROR(hwcDisplayId, "Invalid HWC display");
@@ -160,13 +161,13 @@ bool HWComposer::onVsync(hal::HWDisplayId hwcDisplayId, int64_t timestamp) {
         // with the same timestamp when turning the display off and on. This
         // is a bug in the HWC implementation, but filter the extra events
         // out here so they don't cause havoc downstream.
-        if (timestamp == displayData.lastHwVsync) {
+        if (timestamp == displayData.lastPresentTimestamp) {
             ALOGW("Ignoring duplicate VSYNC event from HWC for display %s (t=%" PRId64 ")",
                   to_string(*displayId).c_str(), timestamp);
             return false;
         }
 
-        displayData.lastHwVsync = timestamp;
+        displayData.lastPresentTimestamp = timestamp;
     }
 
     const auto tag = "HW_VSYNC_" + to_string(*displayId);
@@ -252,11 +253,7 @@ std::shared_ptr<HWC2::Layer> HWComposer::createLayer(HalDisplayId displayId) {
 }
 
 bool HWComposer::isConnected(PhysicalDisplayId displayId) const {
-    if (mDisplayData.count(displayId)) {
-        return mDisplayData.at(displayId).hwcDisplay->isConnected();
-    }
-
-    return false;
+    return mDisplayData.count(displayId) && mDisplayData.at(displayId).hwcDisplay->isConnected();
 }
 
 std::vector<HWComposer::HWCDisplayMode> HWComposer::getModes(PhysicalDisplayId displayId) const {
@@ -286,17 +283,12 @@ std::vector<HWComposer::HWCDisplayMode> HWComposer::getModes(PhysicalDisplayId d
 
 std::optional<hal::HWConfigId> HWComposer::getActiveMode(PhysicalDisplayId displayId) const {
     RETURN_IF_INVALID_DISPLAY(displayId, std::nullopt);
-
     const auto hwcId = *fromPhysicalDisplayId(displayId);
-    ALOGV("[%" PRIu64 "] getActiveMode", hwcId);
-    hal::HWConfigId configId;
-    auto error = static_cast<hal::Error>(mComposer->getActiveConfig(hwcId, &configId));
 
-    if (error == hal::Error::BAD_CONFIG) {
-        LOG_DISPLAY_ERROR(displayId, "No active mode");
-        return std::nullopt;
-    }
+    hal::HWConfigId configId;
+    const auto error = static_cast<hal::Error>(mComposer->getActiveConfig(hwcId, &configId));
 
+    RETURN_IF_HWC_ERROR_FOR("getActiveConfig", error, displayId, std::nullopt);
     return configId;
 }
 
@@ -494,6 +486,11 @@ sp<Fence> HWComposer::getPresentFence(HalDisplayId displayId) const {
     return mDisplayData.at(displayId).lastPresentFence;
 }
 
+nsecs_t HWComposer::getPresentTimestamp(PhysicalDisplayId displayId) const {
+    RETURN_IF_INVALID_DISPLAY(displayId, 0);
+    return mDisplayData.at(displayId).lastPresentTimestamp;
+}
+
 sp<Fence> HWComposer::getLayerReleaseFence(HalDisplayId displayId, HWC2::Layer* layer) const {
     RETURN_IF_INVALID_DISPLAY(displayId, Fence::NO_FENCE);
     const auto& displayFences = mDisplayData.at(displayId).releaseFences;
@@ -517,7 +514,7 @@ status_t HWComposer::presentAndGetReleaseFences(
 
     if (displayData.validateWasSkipped) {
         // explicitly flush all pending commands
-        auto error = static_cast<hal::Error>(mComposer->executeCommands());
+        auto error = static_cast<hal::Error>(mComposer->executeCommands(hwcDisplay->getId()));
         RETURN_IF_HWC_ERROR_FOR("executeCommands", error, displayId, UNKNOWN_ERROR);
         RETURN_IF_HWC_ERROR_FOR("present", displayData.presentError, displayId, UNKNOWN_ERROR);
         return NO_ERROR;
@@ -656,6 +653,11 @@ status_t HWComposer::getHdrCapabilities(HalDisplayId displayId, HdrCapabilities*
     return NO_ERROR;
 }
 
+const aidl::android::hardware::graphics::composer3::OverlayProperties&
+HWComposer::getOverlaySupport() const {
+    return mOverlayProperties;
+}
+
 int32_t HWComposer::getSupportedPerFrameMetadata(HalDisplayId displayId) const {
     RETURN_IF_INVALID_DISPLAY(displayId, 0);
     return mDisplayData.at(displayId).hwcDisplay->getSupportedPerFrameMetadata();
@@ -932,6 +934,8 @@ std::optional<DisplayIdentificationInfo> HWComposer::onHotplugConnect(
                                                                : "Secondary display",
                                              .deviceProductInfo = std::nullopt};
         }();
+
+        mComposer->onHotplugConnect(hwcDisplayId);
     }
 
     if (!isConnected(info->id)) {
@@ -951,18 +955,16 @@ std::optional<DisplayIdentificationInfo> HWComposer::onHotplugDisconnect(
         return {};
     }
 
-    // The display will later be destroyed by a call to
-    // destroyDisplay(). For now we just mark it disconnected.
-    if (isConnected(*displayId)) {
-        mDisplayData[*displayId].hwcDisplay->setConnected(false);
-    } else {
+    if (!isConnected(*displayId)) {
         LOG_HWC_DISPLAY_ERROR(hwcDisplayId, "Already disconnected");
+        return {};
     }
-    // The cleanup of Disconnect is handled through HWComposer::disconnectDisplay
-    // via SurfaceFlinger's onHotplugReceived callback handling
-    return DisplayIdentificationInfo{.id = *displayId,
-                                     .name = std::string(),
-                                     .deviceProductInfo = std::nullopt};
+
+    // The display will later be destroyed by a call to HWComposer::disconnectDisplay. For now, mark
+    // it as disconnected.
+    mDisplayData.at(*displayId).hwcDisplay->setConnected(false);
+    mComposer->onHotplugDisconnect(hwcDisplayId);
+    return DisplayIdentificationInfo{.id = *displayId};
 }
 
 void HWComposer::loadCapabilities() {
@@ -973,6 +975,10 @@ void HWComposer::loadCapabilities() {
     }
 }
 
+void HWComposer::loadOverlayProperties() {
+    mComposer->getOverlaySupport(&mOverlayProperties);
+}
+
 status_t HWComposer::setIdleTimerEnabled(PhysicalDisplayId displayId,
                                          std::chrono::milliseconds timeout) {
     ATRACE_CALL();
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 92a8f30f1b..78d4a68617 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -48,6 +48,7 @@
 #include <aidl/android/hardware/graphics/composer3/ClientTargetPropertyWithBrightness.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
+#include <aidl/android/hardware/graphics/composer3/OverlayProperties.h>
 
 namespace android {
 
@@ -160,8 +161,9 @@ public:
     // reset state when a display is disconnected
     virtual void disconnectDisplay(HalDisplayId) = 0;
 
-    // get the present fence received from the last call to present.
+    // Get the present fence/timestamp received from the last call to present.
     virtual sp<Fence> getPresentFence(HalDisplayId) const = 0;
+    virtual nsecs_t getPresentTimestamp(PhysicalDisplayId) const = 0;
 
     // Get last release fence for the given layer
     virtual sp<Fence> getLayerReleaseFence(HalDisplayId, HWC2::Layer*) const = 0;
@@ -177,6 +179,9 @@ public:
     // Fetches the HDR capabilities of the given display
     virtual status_t getHdrCapabilities(HalDisplayId, HdrCapabilities* outCapabilities) = 0;
 
+    virtual const aidl::android::hardware::graphics::composer3::OverlayProperties&
+    getOverlaySupport() const = 0;
+
     virtual int32_t getSupportedPerFrameMetadata(HalDisplayId) const = 0;
 
     // Returns the available RenderIntent of the given display.
@@ -214,7 +219,7 @@ public:
     // TODO(b/157555476): Remove when the framework has proper support for headless mode
     virtual bool updatesDeviceProductInfoOnHotplugReconnect() const = 0;
 
-    virtual bool onVsync(hal::HWDisplayId, int64_t timestamp) = 0;
+    virtual bool onVsync(hal::HWDisplayId, nsecs_t timestamp) = 0;
     virtual void setVsyncEnabled(PhysicalDisplayId, hal::Vsync enabled) = 0;
 
     virtual bool isConnected(PhysicalDisplayId) const = 0;
@@ -343,8 +348,9 @@ public:
     // reset state when a display is disconnected
     void disconnectDisplay(HalDisplayId) override;
 
-    // get the present fence received from the last call to present.
+    // Get the present fence/timestamp received from the last call to present.
     sp<Fence> getPresentFence(HalDisplayId) const override;
+    nsecs_t getPresentTimestamp(PhysicalDisplayId) const override;
 
     // Get last release fence for the given layer
     sp<Fence> getLayerReleaseFence(HalDisplayId, HWC2::Layer*) const override;
@@ -360,6 +366,9 @@ public:
     // Fetches the HDR capabilities of the given display
     status_t getHdrCapabilities(HalDisplayId, HdrCapabilities* outCapabilities) override;
 
+    const aidl::android::hardware::graphics::composer3::OverlayProperties& getOverlaySupport()
+            const override;
+
     int32_t getSupportedPerFrameMetadata(HalDisplayId) const override;
 
     // Returns the available RenderIntent of the given display.
@@ -387,7 +396,7 @@ public:
 
     bool updatesDeviceProductInfoOnHotplugReconnect() const override;
 
-    bool onVsync(hal::HWDisplayId, int64_t timestamp) override;
+    bool onVsync(hal::HWDisplayId, nsecs_t timestamp) override;
     void setVsyncEnabled(PhysicalDisplayId, hal::Vsync enabled) override;
 
     bool isConnected(PhysicalDisplayId) const override;
@@ -456,7 +465,10 @@ private:
 
     struct DisplayData {
         std::unique_ptr<HWC2::Display> hwcDisplay;
+
         sp<Fence> lastPresentFence = Fence::NO_FENCE; // signals when the last set op retires
+        nsecs_t lastPresentTimestamp = 0;
+
         std::unordered_map<HWC2::Layer*, sp<Fence>> releaseFences;
 
         bool validateWasSkipped;
@@ -466,8 +478,6 @@ private:
 
         std::mutex vsyncEnabledLock;
         hal::Vsync vsyncEnabled GUARDED_BY(vsyncEnabledLock) = hal::Vsync::DISABLE;
-
-        nsecs_t lastHwVsync = 0;
     };
 
     std::optional<DisplayIdentificationInfo> onHotplugConnect(hal::HWDisplayId);
@@ -479,11 +489,13 @@ private:
 
     void loadCapabilities();
     void loadLayerMetadataSupport();
+    void loadOverlayProperties();
 
     std::unordered_map<HalDisplayId, DisplayData> mDisplayData;
 
     std::unique_ptr<android::Hwc2::Composer> mComposer;
     std::unordered_set<aidl::android::hardware::graphics::composer3::Capability> mCapabilities;
+    aidl::android::hardware::graphics::composer3::OverlayProperties mOverlayProperties;
     std::unordered_map<std::string, bool> mSupportedLayerGenericMetadata;
     bool mRegisteredCallback = false;
 
diff --git a/services/surfaceflinger/DisplayHardware/Hal.h b/services/surfaceflinger/DisplayHardware/Hal.h
index 473703423e..537d5450ad 100644
--- a/services/surfaceflinger/DisplayHardware/Hal.h
+++ b/services/surfaceflinger/DisplayHardware/Hal.h
@@ -20,6 +20,7 @@
 #include <android/hardware/graphics/composer/2.4/IComposer.h>
 #include <android/hardware/graphics/composer/2.4/IComposerClient.h>
 
+#include <aidl/android/hardware/graphics/common/Hdr.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
 
@@ -39,7 +40,6 @@ using types::V1_0::Transform;
 using types::V1_1::RenderIntent;
 using types::V1_2::ColorMode;
 using types::V1_2::Dataspace;
-using types::V1_2::Hdr;
 using types::V1_2::PixelFormat;
 
 using V2_1::Error;
@@ -69,6 +69,7 @@ using PerFrameMetadataBlob = IComposerClient::PerFrameMetadataBlob;
 using PowerMode = IComposerClient::PowerMode;
 using Vsync = IComposerClient::Vsync;
 using VsyncPeriodChangeConstraints = IComposerClient::VsyncPeriodChangeConstraints;
+using Hdr = aidl::android::hardware::graphics::common::Hdr;
 
 } // namespace hardware::graphics::composer::hal
 
@@ -177,6 +178,10 @@ inline std::string to_string(hardware::graphics::composer::hal::Error error) {
     return to_string(static_cast<hardware::graphics::composer::hal::V2_4::Error>(error));
 }
 
+// For utils::Dumper ADL.
+namespace hardware::graphics::composer {
+namespace V2_2 {
+
 inline std::string to_string(hardware::graphics::composer::hal::PowerMode mode) {
     switch (mode) {
         case hardware::graphics::composer::hal::PowerMode::OFF:
@@ -194,6 +199,10 @@ inline std::string to_string(hardware::graphics::composer::hal::PowerMode mode)
     }
 }
 
+} // namespace V2_2
+
+namespace V2_1 {
+
 inline std::string to_string(hardware::graphics::composer::hal::Vsync vsync) {
     switch (vsync) {
         case hardware::graphics::composer::hal::Vsync::ENABLE:
@@ -205,4 +214,6 @@ inline std::string to_string(hardware::graphics::composer::hal::Vsync vsync) {
     }
 }
 
+} // namespace V2_1
+} // namespace hardware::graphics::composer
 } // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
index 2597ae6091..b607df0fd3 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
@@ -40,6 +40,7 @@ using aidl::android::hardware::graphics::composer3::Capability;
 using aidl::android::hardware::graphics::composer3::ClientTargetPropertyWithBrightness;
 using aidl::android::hardware::graphics::composer3::DimmingStage;
 using aidl::android::hardware::graphics::composer3::DisplayCapability;
+using aidl::android::hardware::graphics::composer3::OverlayProperties;
 
 namespace android {
 
@@ -272,11 +273,11 @@ void HidlComposer::registerCallback(const sp<IComposerCallback>& callback) {
     }
 }
 
-void HidlComposer::resetCommands() {
+void HidlComposer::resetCommands(Display) {
     mWriter.reset();
 }
 
-Error HidlComposer::executeCommands() {
+Error HidlComposer::executeCommands(Display) {
     return execute();
 }
 
@@ -495,13 +496,13 @@ Error HidlComposer::hasDisplayIdleTimerCapability(Display, bool*) {
                      "OptionalFeature::KernelIdleTimer is not supported on HIDL");
 }
 
-Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTypes,
+Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outHdrTypes,
                                        float* outMaxLuminance, float* outMaxAverageLuminance,
                                        float* outMinLuminance) {
     Error error = kDefaultError;
     if (mClient_2_3) {
         mClient_2_3->getHdrCapabilities_2_3(display,
-                                            [&](const auto& tmpError, const auto& tmpTypes,
+                                            [&](const auto& tmpError, const auto& tmpHdrTypes,
                                                 const auto& tmpMaxLuminance,
                                                 const auto& tmpMaxAverageLuminance,
                                                 const auto& tmpMinLuminance) {
@@ -509,15 +510,15 @@ Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTyp
                                                 if (error != Error::NONE) {
                                                     return;
                                                 }
+                                                *outHdrTypes = translate<ui::Hdr>(tmpHdrTypes);
 
-                                                *outTypes = tmpTypes;
                                                 *outMaxLuminance = tmpMaxLuminance;
                                                 *outMaxAverageLuminance = tmpMaxAverageLuminance;
                                                 *outMinLuminance = tmpMinLuminance;
                                             });
     } else {
         mClient->getHdrCapabilities(display,
-                                    [&](const auto& tmpError, const auto& tmpTypes,
+                                    [&](const auto& tmpError, const auto& tmpHdrTypes,
                                         const auto& tmpMaxLuminance,
                                         const auto& tmpMaxAverageLuminance,
                                         const auto& tmpMinLuminance) {
@@ -525,11 +526,7 @@ Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTyp
                                         if (error != Error::NONE) {
                                             return;
                                         }
-
-                                        outTypes->clear();
-                                        for (auto type : tmpTypes) {
-                                            outTypes->push_back(static_cast<Hdr>(type));
-                                        }
+                                        *outHdrTypes = translate<ui::Hdr>(tmpHdrTypes);
 
                                         *outMaxLuminance = tmpMaxLuminance;
                                         *outMaxAverageLuminance = tmpMaxAverageLuminance;
@@ -540,6 +537,10 @@ Error HidlComposer::getHdrCapabilities(Display display, std::vector<Hdr>* outTyp
     return error;
 }
 
+Error HidlComposer::getOverlaySupport(OverlayProperties* /*outProperties*/) {
+    return Error::NONE;
+}
+
 Error HidlComposer::getReleaseFences(Display display, std::vector<Layer>* outLayers,
                                      std::vector<int>* outReleaseFences) {
     mReader.takeReleaseFences(display, outLayers, outReleaseFences);
@@ -1352,6 +1353,9 @@ void HidlComposer::registerCallback(ComposerCallback& callback) {
     registerCallback(sp<ComposerCallbackBridge>::make(callback, vsyncSwitchingSupported));
 }
 
+void HidlComposer::onHotplugConnect(Display) {}
+void HidlComposer::onHotplugDisconnect(Display) {}
+
 CommandReader::~CommandReader() {
     resetData();
 }
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
index d0d3c2e6d7..3602bbb24e 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
@@ -56,7 +56,6 @@ using types::V1_0::Transform;
 using types::V1_1::RenderIntent;
 using types::V1_2::ColorMode;
 using types::V1_2::Dataspace;
-using types::V1_2::Hdr;
 using types::V1_2::PixelFormat;
 
 using V2_1::Config;
@@ -177,10 +176,10 @@ public:
 
     // Reset all pending commands in the command buffer. Useful if you want to
     // skip a frame but have already queued some commands.
-    void resetCommands() override;
+    void resetCommands(Display) override;
 
     // Explicitly flush all pending commands in the command buffer.
-    Error executeCommands() override;
+    Error executeCommands(Display) override;
 
     uint32_t getMaxVirtualDisplayCount() override;
     Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
@@ -209,8 +208,10 @@ public:
 
     Error getDozeSupport(Display display, bool* outSupport) override;
     Error hasDisplayIdleTimerCapability(Display display, bool* outSupport) override;
-    Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, float* outMaxLuminance,
+    Error getHdrCapabilities(Display display, std::vector<Hdr>* outHdrTypes, float* outMaxLuminance,
                              float* outMaxAverageLuminance, float* outMinLuminance) override;
+    Error getOverlaySupport(aidl::android::hardware::graphics::composer3::OverlayProperties*
+                                    outProperties) override;
 
     Error getReleaseFences(Display display, std::vector<Layer>* outLayers,
                            std::vector<int>* outReleaseFences) override;
@@ -337,6 +338,8 @@ public:
 
     Error getPhysicalDisplayOrientation(Display displayId,
                                         AidlTransform* outDisplayOrientation) override;
+    void onHotplugConnect(Display) override;
+    void onHotplugDisconnect(Display) override;
 
 private:
     class CommandWriter : public CommandWriterBase {
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index a0350b717a..f05223cce0 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -57,10 +57,9 @@ using android::hardware::power::Boost;
 using android::hardware::power::IPower;
 using android::hardware::power::IPowerHintSession;
 using android::hardware::power::Mode;
+using android::hardware::power::SessionHint;
 using android::hardware::power::WorkDuration;
 
-using scheduler::OneShotTimer;
-
 PowerAdvisor::~PowerAdvisor() = default;
 
 namespace {
@@ -142,7 +141,7 @@ void PowerAdvisor::setExpensiveRenderingExpected(DisplayId displayId, bool expec
     }
 }
 
-void PowerAdvisor::notifyDisplayUpdateImminent() {
+void PowerAdvisor::notifyDisplayUpdateImminentAndCpuReset() {
     // Only start sending this notification once the system has booted so we don't introduce an
     // early-boot dependency on Power HAL
     if (!mBootFinished.load()) {
@@ -156,7 +155,7 @@ void PowerAdvisor::notifyDisplayUpdateImminent() {
             return;
         }
 
-        if (!halWrapper->notifyDisplayUpdateImminent()) {
+        if (!halWrapper->notifyDisplayUpdateImminentAndCpuReset()) {
             // The HAL has become unavailable; attempt to reconnect later
             mReconnectPowerHal = true;
             return;
@@ -196,7 +195,7 @@ bool PowerAdvisor::isPowerHintSessionRunning() {
     return mPowerHintSessionRunning;
 }
 
-void PowerAdvisor::setTargetWorkDuration(int64_t targetDuration) {
+void PowerAdvisor::setTargetWorkDuration(Duration targetDuration) {
     if (!usePowerHintSession()) {
         ALOGV("Power hint session target duration cannot be set, skipping");
         return;
@@ -215,13 +214,13 @@ void PowerAdvisor::sendActualWorkDuration() {
         ALOGV("Actual work duration power hint cannot be sent, skipping");
         return;
     }
-    const std::optional<nsecs_t> actualDuration = estimateWorkDuration(false);
+    const std::optional<Duration> actualDuration = estimateWorkDuration(false);
     if (actualDuration.has_value()) {
         std::lock_guard lock(mPowerHalMutex);
         HalWrapper* const halWrapper = getPowerHal();
         if (halWrapper != nullptr) {
-            halWrapper->sendActualWorkDuration(*actualDuration + kTargetSafetyMargin.count(),
-                                               systemTime());
+            halWrapper->sendActualWorkDuration(*actualDuration + kTargetSafetyMargin,
+                                               TimePoint::now());
         }
     }
 }
@@ -232,14 +231,14 @@ void PowerAdvisor::sendPredictedWorkDuration() {
         return;
     }
 
-    const std::optional<nsecs_t> predictedDuration = estimateWorkDuration(true);
+    const std::optional<Duration> predictedDuration = estimateWorkDuration(true);
 
     if (predictedDuration.has_value()) {
         std::lock_guard lock(mPowerHalMutex);
         HalWrapper* const halWrapper = getPowerHal();
         if (halWrapper != nullptr) {
-            halWrapper->sendActualWorkDuration(*predictedDuration + kTargetSafetyMargin.count(),
-                                               systemTime());
+            halWrapper->sendActualWorkDuration(*predictedDuration + kTargetSafetyMargin,
+                                               TimePoint::now());
         }
     }
 }
@@ -281,22 +280,22 @@ void PowerAdvisor::setGpuFenceTime(DisplayId displayId, std::unique_ptr<FenceTim
                 }
             }
             displayData.lastValidGpuStartTime = displayData.gpuStartTime;
-            displayData.lastValidGpuEndTime = signalTime;
+            displayData.lastValidGpuEndTime = TimePoint::fromNs(signalTime);
         }
     }
     displayData.gpuEndFenceTime = std::move(fenceTime);
-    displayData.gpuStartTime = systemTime();
+    displayData.gpuStartTime = TimePoint::now();
 }
 
-void PowerAdvisor::setHwcValidateTiming(DisplayId displayId, nsecs_t validateStartTime,
-                                        nsecs_t validateEndTime) {
+void PowerAdvisor::setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                                        TimePoint validateEndTime) {
     DisplayTimingData& displayData = mDisplayTimingData[displayId];
     displayData.hwcValidateStartTime = validateStartTime;
     displayData.hwcValidateEndTime = validateEndTime;
 }
 
-void PowerAdvisor::setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                                       nsecs_t presentEndTime) {
+void PowerAdvisor::setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                                       TimePoint presentEndTime) {
     DisplayTimingData& displayData = mDisplayTimingData[displayId];
     displayData.hwcPresentStartTime = presentStartTime;
     displayData.hwcPresentEndTime = presentEndTime;
@@ -311,43 +310,41 @@ void PowerAdvisor::setRequiresClientComposition(DisplayId displayId,
     mDisplayTimingData[displayId].usedClientComposition = requiresClientComposition;
 }
 
-void PowerAdvisor::setExpectedPresentTime(nsecs_t expectedPresentTime) {
+void PowerAdvisor::setExpectedPresentTime(TimePoint expectedPresentTime) {
     mExpectedPresentTimes.append(expectedPresentTime);
 }
 
-void PowerAdvisor::setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) {
+void PowerAdvisor::setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) {
     mLastSfPresentEndTime = presentEndTime;
     mLastPresentFenceTime = presentFenceTime;
 }
 
-void PowerAdvisor::setFrameDelay(nsecs_t frameDelayDuration) {
+void PowerAdvisor::setFrameDelay(Duration frameDelayDuration) {
     mFrameDelayDuration = frameDelayDuration;
 }
 
-void PowerAdvisor::setHwcPresentDelayedTime(
-        DisplayId displayId, std::chrono::steady_clock::time_point earliestFrameStartTime) {
-    mDisplayTimingData[displayId].hwcPresentDelayedTime =
-            (earliestFrameStartTime - std::chrono::steady_clock::now()).count() + systemTime();
+void PowerAdvisor::setHwcPresentDelayedTime(DisplayId displayId, TimePoint earliestFrameStartTime) {
+    mDisplayTimingData[displayId].hwcPresentDelayedTime = earliestFrameStartTime;
 }
 
-void PowerAdvisor::setCommitStart(nsecs_t commitStartTime) {
+void PowerAdvisor::setCommitStart(TimePoint commitStartTime) {
     mCommitStartTimes.append(commitStartTime);
 }
 
-void PowerAdvisor::setCompositeEnd(nsecs_t compositeEnd) {
-    mLastPostcompDuration = compositeEnd - mLastSfPresentEndTime;
+void PowerAdvisor::setCompositeEnd(TimePoint compositeEndTime) {
+    mLastPostcompDuration = compositeEndTime - mLastSfPresentEndTime;
 }
 
 void PowerAdvisor::setDisplays(std::vector<DisplayId>& displayIds) {
     mDisplayIds = displayIds;
 }
 
-void PowerAdvisor::setTotalFrameTargetWorkDuration(nsecs_t targetDuration) {
+void PowerAdvisor::setTotalFrameTargetWorkDuration(Duration targetDuration) {
     mTotalFrameTargetDuration = targetDuration;
 }
 
 std::vector<DisplayId> PowerAdvisor::getOrderedDisplayIds(
-        std::optional<nsecs_t> DisplayTimingData::*sortBy) {
+        std::optional<TimePoint> DisplayTimingData::*sortBy) {
     std::vector<DisplayId> sortedDisplays;
     std::copy_if(mDisplayIds.begin(), mDisplayIds.end(), std::back_inserter(sortedDisplays),
                  [&](DisplayId id) {
@@ -360,33 +357,34 @@ std::vector<DisplayId> PowerAdvisor::getOrderedDisplayIds(
     return sortedDisplays;
 }
 
-std::optional<nsecs_t> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
+std::optional<Duration> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
     if (earlyHint && (!mExpectedPresentTimes.isFull() || !mCommitStartTimes.isFull())) {
         return std::nullopt;
     }
 
     // Tracks when we finish presenting to hwc
-    nsecs_t estimatedEndTime = mCommitStartTimes[0];
+    TimePoint estimatedEndTime = mCommitStartTimes[0];
 
     // How long we spent this frame not doing anything, waiting for fences or vsync
-    nsecs_t idleDuration = 0;
+    Duration idleDuration = 0ns;
 
     // Most recent previous gpu end time in the current frame, probably from a prior display, used
     // as the start time for the next gpu operation if it ran over time since it probably blocked
-    std::optional<nsecs_t> previousValidGpuEndTime;
+    std::optional<TimePoint> previousValidGpuEndTime;
 
     // The currently estimated gpu end time for the frame,
     // used to accumulate gpu time as we iterate over the active displays
-    std::optional<nsecs_t> estimatedGpuEndTime;
+    std::optional<TimePoint> estimatedGpuEndTime;
 
     // If we're predicting at the start of the frame, we use last frame as our reference point
     // If we're predicting at the end of the frame, we use the current frame as a reference point
-    nsecs_t referenceFrameStartTime = (earlyHint ? mCommitStartTimes[-1] : mCommitStartTimes[0]);
+    TimePoint referenceFrameStartTime = (earlyHint ? mCommitStartTimes[-1] : mCommitStartTimes[0]);
 
     // When the prior frame should be presenting to the display
     // If we're predicting at the start of the frame, we use last frame's expected present time
     // If we're predicting at the end of the frame, the present fence time is already known
-    nsecs_t lastFramePresentTime = (earlyHint ? mExpectedPresentTimes[-1] : mLastPresentFenceTime);
+    TimePoint lastFramePresentTime =
+            (earlyHint ? mExpectedPresentTimes[-1] : mLastPresentFenceTime);
 
     // The timing info for the previously calculated display, if there was one
     std::optional<DisplayTimeline> previousDisplayReferenceTiming;
@@ -427,10 +425,10 @@ std::optional<nsecs_t> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
         // Track how long we spent waiting for the fence, can be excluded from the timing estimate
         idleDuration += estimatedTiming.probablyWaitsForPresentFence
                 ? lastFramePresentTime - estimatedTiming.presentFenceWaitStartTime
-                : 0;
+                : 0ns;
 
         // Track how long we spent waiting to present, can be excluded from the timing estimate
-        idleDuration += earlyHint ? 0 : referenceTiming.hwcPresentDelayDuration;
+        idleDuration += earlyHint ? 0ns : referenceTiming.hwcPresentDelayDuration;
 
         // Estimate the reference frame's gpu timing
         auto gpuTiming = displayData.estimateGpuTiming(previousValidGpuEndTime);
@@ -438,15 +436,15 @@ std::optional<nsecs_t> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
             previousValidGpuEndTime = gpuTiming->startTime + gpuTiming->duration;
 
             // Estimate the prediction frame's gpu end time from the reference frame
-            estimatedGpuEndTime =
-                    std::max(estimatedTiming.hwcPresentStartTime, estimatedGpuEndTime.value_or(0)) +
+            estimatedGpuEndTime = std::max(estimatedTiming.hwcPresentStartTime,
+                                           estimatedGpuEndTime.value_or(TimePoint{0ns})) +
                     gpuTiming->duration;
         }
         previousDisplayReferenceTiming = referenceTiming;
     }
-    ATRACE_INT64("Idle duration", idleDuration);
+    ATRACE_INT64("Idle duration", idleDuration.ns());
 
-    nsecs_t estimatedFlingerEndTime = earlyHint ? estimatedEndTime : mLastSfPresentEndTime;
+    TimePoint estimatedFlingerEndTime = earlyHint ? estimatedEndTime : mLastSfPresentEndTime;
 
     // Don't count time spent idly waiting in the estimate as we could do more work in that time
     estimatedEndTime -= idleDuration;
@@ -454,21 +452,22 @@ std::optional<nsecs_t> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
 
     // We finish the frame when both present and the gpu are done, so wait for the later of the two
     // Also add the frame delay duration since the target did not move while we were delayed
-    nsecs_t totalDuration = mFrameDelayDuration +
-            std::max(estimatedEndTime, estimatedGpuEndTime.value_or(0)) - mCommitStartTimes[0];
+    Duration totalDuration = mFrameDelayDuration +
+            std::max(estimatedEndTime, estimatedGpuEndTime.value_or(TimePoint{0ns})) -
+            mCommitStartTimes[0];
 
     // We finish SurfaceFlinger when post-composition finishes, so add that in here
-    nsecs_t flingerDuration =
+    Duration flingerDuration =
             estimatedFlingerEndTime + mLastPostcompDuration - mCommitStartTimes[0];
 
     // Combine the two timings into a single normalized one
-    nsecs_t combinedDuration = combineTimingEstimates(totalDuration, flingerDuration);
+    Duration combinedDuration = combineTimingEstimates(totalDuration, flingerDuration);
 
     return std::make_optional(combinedDuration);
 }
 
-nsecs_t PowerAdvisor::combineTimingEstimates(nsecs_t totalDuration, nsecs_t flingerDuration) {
-    nsecs_t targetDuration;
+Duration PowerAdvisor::combineTimingEstimates(Duration totalDuration, Duration flingerDuration) {
+    Duration targetDuration{0ns};
     {
         std::lock_guard lock(mPowerHalMutex);
         targetDuration = *getPowerHal()->getTargetWorkDuration();
@@ -477,17 +476,18 @@ nsecs_t PowerAdvisor::combineTimingEstimates(nsecs_t totalDuration, nsecs_t flin
 
     // Normalize total to the flinger target (vsync period) since that's how often we actually send
     // hints
-    nsecs_t normalizedTotalDuration = (targetDuration * totalDuration) / *mTotalFrameTargetDuration;
+    Duration normalizedTotalDuration = Duration::fromNs((targetDuration.ns() * totalDuration.ns()) /
+                                                        mTotalFrameTargetDuration->ns());
     return std::max(flingerDuration, normalizedTotalDuration);
 }
 
 PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimeline::estimateTimelineFromReference(
-        nsecs_t fenceTime, nsecs_t displayStartTime) {
+        TimePoint fenceTime, TimePoint displayStartTime) {
     DisplayTimeline estimated;
     estimated.hwcPresentStartTime = displayStartTime;
 
     // We don't predict waiting for vsync alignment yet
-    estimated.hwcPresentDelayDuration = 0;
+    estimated.hwcPresentDelayDuration = 0ns;
 
     // How long we expect to run before we start waiting for the fence
     // For now just re-use last frame's post-present duration and assume it will not change much
@@ -502,12 +502,11 @@ PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimeline::estimateTimelineFro
 }
 
 PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimingData::calculateDisplayTimeline(
-        nsecs_t fenceTime) {
+        TimePoint fenceTime) {
     DisplayTimeline timeline;
     // How long between calling hwc present and trying to wait on the fence
-    const nsecs_t fenceWaitStartDelay =
-            (skippedValidate ? kFenceWaitStartDelaySkippedValidate : kFenceWaitStartDelayValidated)
-                    .count();
+    const Duration fenceWaitStartDelay =
+            (skippedValidate ? kFenceWaitStartDelaySkippedValidate : kFenceWaitStartDelayValidated);
 
     // Did our reference frame wait for an appropriate vsync before calling into hwc
     const bool waitedOnHwcPresentTime = hwcPresentDelayedTime.has_value() &&
@@ -522,7 +521,7 @@ PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimingData::calculateDisplayT
 
     // How long hwc present was delayed waiting for the next appropriate vsync
     timeline.hwcPresentDelayDuration =
-            (waitedOnHwcPresentTime ? *hwcPresentDelayedTime - *hwcPresentStartTime : 0);
+            (waitedOnHwcPresentTime ? *hwcPresentDelayedTime - *hwcPresentStartTime : 0ns);
     // When we started waiting for the present fence after calling into hwc present
     timeline.presentFenceWaitStartTime =
             timeline.hwcPresentStartTime + timeline.hwcPresentDelayDuration + fenceWaitStartDelay;
@@ -537,23 +536,26 @@ PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimingData::calculateDisplayT
 }
 
 std::optional<PowerAdvisor::GpuTimeline> PowerAdvisor::DisplayTimingData::estimateGpuTiming(
-        std::optional<nsecs_t> previousEnd) {
+        std::optional<TimePoint> previousEndTime) {
     if (!(usedClientComposition && lastValidGpuStartTime.has_value() && gpuEndFenceTime)) {
         return std::nullopt;
     }
-    const nsecs_t latestGpuStartTime = std::max(previousEnd.value_or(0), *gpuStartTime);
-    const nsecs_t latestGpuEndTime = gpuEndFenceTime->getSignalTime();
-    nsecs_t gpuDuration = 0;
-    if (latestGpuEndTime != Fence::SIGNAL_TIME_INVALID &&
-        latestGpuEndTime != Fence::SIGNAL_TIME_PENDING) {
+    const TimePoint latestGpuStartTime =
+            std::max(previousEndTime.value_or(TimePoint{0ns}), *gpuStartTime);
+    const nsecs_t gpuEndFenceSignal = gpuEndFenceTime->getSignalTime();
+    Duration gpuDuration{0ns};
+    if (gpuEndFenceSignal != Fence::SIGNAL_TIME_INVALID &&
+        gpuEndFenceSignal != Fence::SIGNAL_TIME_PENDING) {
+        const TimePoint latestGpuEndTime = TimePoint::fromNs(gpuEndFenceSignal);
+
         // If we know how long the most recent gpu duration was, use that
         gpuDuration = latestGpuEndTime - latestGpuStartTime;
     } else if (lastValidGpuEndTime.has_value()) {
         // If we don't have the fence data, use the most recent information we do have
         gpuDuration = *lastValidGpuEndTime - *lastValidGpuStartTime;
-        if (latestGpuEndTime == Fence::SIGNAL_TIME_PENDING) {
+        if (gpuEndFenceSignal == Fence::SIGNAL_TIME_PENDING) {
             // If pending but went over the previous duration, use current time as the end
-            gpuDuration = std::max(gpuDuration, systemTime() - latestGpuStartTime);
+            gpuDuration = std::max(gpuDuration, Duration{TimePoint::now() - latestGpuStartTime});
         }
     }
     return GpuTimeline{.duration = gpuDuration, .startTime = latestGpuStartTime};
@@ -598,7 +600,7 @@ public:
         return ret.isOk();
     }
 
-    bool notifyDisplayUpdateImminent() override {
+    bool notifyDisplayUpdateImminentAndCpuReset() override {
         // Power HAL 1.x doesn't have a notification for this
         ALOGV("HIDL notifyUpdateImminent received but can't send");
         return true;
@@ -614,15 +616,15 @@ public:
 
     bool startPowerHintSession() override { return false; }
 
-    void setTargetWorkDuration(int64_t) override {}
+    void setTargetWorkDuration(Duration) override {}
 
-    void sendActualWorkDuration(int64_t, nsecs_t) override {}
+    void sendActualWorkDuration(Duration, TimePoint) override {}
 
     bool shouldReconnectHAL() override { return false; }
 
     std::vector<int32_t> getPowerHintSessionThreadIds() override { return std::vector<int32_t>{}; }
 
-    std::optional<int64_t> getTargetWorkDuration() override { return std::nullopt; }
+    std::optional<Duration> getTargetWorkDuration() override { return std::nullopt; }
 
 private:
     const sp<V1_3::IPower> mPowerHal = nullptr;
@@ -640,9 +642,6 @@ AidlPowerHalWrapper::AidlPowerHalWrapper(sp<IPower> powerHal) : mPowerHal(std::m
     }
 
     mSupportsPowerHint = checkPowerHintSessionSupported();
-
-    // Currently set to 0 to disable rate limiter by default
-    mAllowedActualDeviation = base::GetIntProperty<nsecs_t>("debug.sf.allowed_actual_deviation", 0);
 }
 
 AidlPowerHalWrapper::~AidlPowerHalWrapper() {
@@ -677,8 +676,12 @@ bool AidlPowerHalWrapper::setExpensiveRendering(bool enabled) {
     return ret.isOk();
 }
 
-bool AidlPowerHalWrapper::notifyDisplayUpdateImminent() {
-    ALOGV("AIDL notifyDisplayUpdateImminent");
+bool AidlPowerHalWrapper::notifyDisplayUpdateImminentAndCpuReset() {
+    ALOGV("AIDL notifyDisplayUpdateImminentAndCpuReset");
+    if (isPowerHintSessionRunning()) {
+        mPowerHintSession->sendHint(SessionHint::CPU_LOAD_RESET);
+    }
+
     if (!mHasDisplayUpdateImminent) {
         ALOGV("Skipped sending DISPLAY_UPDATE_IMMINENT because HAL doesn't support it");
         return true;
@@ -730,9 +733,9 @@ bool AidlPowerHalWrapper::startPowerHintSession() {
         ALOGV("Cannot start power hint session, skipping");
         return false;
     }
-    auto ret =
-            mPowerHal->createHintSession(getpid(), static_cast<int32_t>(getuid()),
-                                         mPowerHintThreadIds, mTargetDuration, &mPowerHintSession);
+    auto ret = mPowerHal->createHintSession(getpid(), static_cast<int32_t>(getuid()),
+                                            mPowerHintThreadIds, mTargetDuration.ns(),
+                                            &mPowerHintSession);
     if (!ret.isOk()) {
         ALOGW("Failed to start power hint session with error: %s",
               ret.exceptionToString(ret.exceptionCode()).c_str());
@@ -742,14 +745,14 @@ bool AidlPowerHalWrapper::startPowerHintSession() {
     return isPowerHintSessionRunning();
 }
 
-void AidlPowerHalWrapper::setTargetWorkDuration(int64_t targetDuration) {
+void AidlPowerHalWrapper::setTargetWorkDuration(Duration targetDuration) {
     ATRACE_CALL();
     mTargetDuration = targetDuration;
-    if (sTraceHintSessionData) ATRACE_INT64("Time target", targetDuration);
+    if (sTraceHintSessionData) ATRACE_INT64("Time target", targetDuration.ns());
     if (isPowerHintSessionRunning() && (targetDuration != mLastTargetDurationSent)) {
-        ALOGV("Sending target time: %" PRId64 "ns", targetDuration);
+        ALOGV("Sending target time: %" PRId64 "ns", targetDuration.ns());
         mLastTargetDurationSent = targetDuration;
-        auto ret = mPowerHintSession->updateTargetWorkDuration(targetDuration);
+        auto ret = mPowerHintSession->updateTargetWorkDuration(targetDuration.ns());
         if (!ret.isOk()) {
             ALOGW("Failed to set power hint target work duration with error: %s",
                   ret.exceptionMessage().c_str());
@@ -758,64 +761,40 @@ void AidlPowerHalWrapper::setTargetWorkDuration(int64_t targetDuration) {
     }
 }
 
-bool AidlPowerHalWrapper::shouldReportActualDurations() {
-    // Report if we have never reported before or are approaching a stale session
-    if (!mLastActualDurationSent.has_value() ||
-        (systemTime() - mLastActualReportTimestamp) > kStaleTimeout.count()) {
-        return true;
-    }
-
-    if (!mActualDuration.has_value()) {
-        return false;
-    }
-    // Report if the change in actual duration exceeds the threshold
-    return abs(*mActualDuration - *mLastActualDurationSent) > mAllowedActualDeviation;
-}
-
-void AidlPowerHalWrapper::sendActualWorkDuration(int64_t actualDuration, nsecs_t timestamp) {
+void AidlPowerHalWrapper::sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) {
     ATRACE_CALL();
-
-    if (actualDuration < 0 || !isPowerHintSessionRunning()) {
+    if (actualDuration < 0ns || !isPowerHintSessionRunning()) {
         ALOGV("Failed to send actual work duration, skipping");
         return;
     }
-    const nsecs_t reportedDuration = actualDuration;
-
-    mActualDuration = reportedDuration;
+    mActualDuration = actualDuration;
     WorkDuration duration;
-    duration.durationNanos = reportedDuration;
-    duration.timeStampNanos = timestamp;
+    duration.durationNanos = actualDuration.ns();
+    duration.timeStampNanos = timestamp.ns();
     mPowerHintQueue.push_back(duration);
 
     if (sTraceHintSessionData) {
-        ATRACE_INT64("Measured duration", actualDuration);
-        ATRACE_INT64("Target error term", actualDuration - mTargetDuration);
+        ATRACE_INT64("Measured duration", actualDuration.ns());
+        ATRACE_INT64("Target error term", Duration{actualDuration - mTargetDuration}.ns());
 
-        ATRACE_INT64("Reported duration", reportedDuration);
-        ATRACE_INT64("Reported target", mLastTargetDurationSent);
-        ATRACE_INT64("Reported target error term", reportedDuration - mLastTargetDurationSent);
+        ATRACE_INT64("Reported duration", actualDuration.ns());
+        ATRACE_INT64("Reported target", mLastTargetDurationSent.ns());
+        ATRACE_INT64("Reported target error term",
+                     Duration{actualDuration - mLastTargetDurationSent}.ns());
     }
 
     ALOGV("Sending actual work duration of: %" PRId64 " on reported target: %" PRId64
           " with error: %" PRId64,
-          reportedDuration, mLastTargetDurationSent, reportedDuration - mLastTargetDurationSent);
-
-    // This rate limiter queues similar duration reports to the powerhal into
-    // batches to avoid excessive binder calls. The criteria to send a given batch
-    // are outlined in shouldReportActualDurationsNow()
-    if (shouldReportActualDurations()) {
-        ALOGV("Sending hint update batch");
-        mLastActualReportTimestamp = systemTime();
-        auto ret = mPowerHintSession->reportActualWorkDuration(mPowerHintQueue);
-        if (!ret.isOk()) {
-            ALOGW("Failed to report actual work durations with error: %s",
-                  ret.exceptionMessage().c_str());
-            mShouldReconnectHal = true;
-        }
-        mPowerHintQueue.clear();
-        // We save the actual duration here for rate limiting
-        mLastActualDurationSent = actualDuration;
+          actualDuration.ns(), mLastTargetDurationSent.ns(),
+          Duration{actualDuration - mLastTargetDurationSent}.ns());
+
+    auto ret = mPowerHintSession->reportActualWorkDuration(mPowerHintQueue);
+    if (!ret.isOk()) {
+        ALOGW("Failed to report actual work durations with error: %s",
+              ret.exceptionMessage().c_str());
+        mShouldReconnectHal = true;
     }
+    mPowerHintQueue.clear();
 }
 
 bool AidlPowerHalWrapper::shouldReconnectHAL() {
@@ -826,14 +805,10 @@ std::vector<int32_t> AidlPowerHalWrapper::getPowerHintSessionThreadIds() {
     return mPowerHintThreadIds;
 }
 
-std::optional<int64_t> AidlPowerHalWrapper::getTargetWorkDuration() {
+std::optional<Duration> AidlPowerHalWrapper::getTargetWorkDuration() {
     return mTargetDuration;
 }
 
-void AidlPowerHalWrapper::setAllowedActualDeviation(nsecs_t allowedDeviation) {
-    mAllowedActualDeviation = allowedDeviation;
-}
-
 const bool AidlPowerHalWrapper::sTraceHintSessionData =
         base::GetBoolProperty(std::string("debug.sf.trace_hint_sessions"), false);
 
@@ -844,7 +819,7 @@ PowerAdvisor::HalWrapper* PowerAdvisor::getPowerHal() {
 
     // Grab old hint session values before we destroy any existing wrapper
     std::vector<int32_t> oldPowerHintSessionThreadIds;
-    std::optional<int64_t> oldTargetWorkDuration;
+    std::optional<Duration> oldTargetWorkDuration;
 
     if (mHalWrapper != nullptr) {
         oldPowerHintSessionThreadIds = mHalWrapper->getPowerHintSessionThreadIds();
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
index 6e25f787d7..d45e7cb572 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
@@ -27,6 +27,7 @@
 
 #include <android/hardware/power/IPower.h>
 #include <compositionengine/impl/OutputCompositionState.h>
+#include <scheduler/Time.h>
 #include <ui/DisplayIdentification.h>
 #include "../Scheduler/OneShotTimer.h"
 
@@ -47,13 +48,13 @@ public:
     virtual void onBootFinished() = 0;
     virtual void setExpensiveRenderingExpected(DisplayId displayId, bool expected) = 0;
     virtual bool isUsingExpensiveRendering() = 0;
-    virtual void notifyDisplayUpdateImminent() = 0;
+    virtual void notifyDisplayUpdateImminentAndCpuReset() = 0;
     // Checks both if it supports and if it's enabled
     virtual bool usePowerHintSession() = 0;
     virtual bool supportsPowerHintSession() = 0;
     virtual bool isPowerHintSessionRunning() = 0;
     // Sends a power hint that updates to the target work duration for the frame
-    virtual void setTargetWorkDuration(nsecs_t targetDuration) = 0;
+    virtual void setTargetWorkDuration(Duration targetDuration) = 0;
     // Sends a power hint for the actual known work duration at the end of the frame
     virtual void sendActualWorkDuration() = 0;
     // Sends a power hint for the upcoming frame predicted from previous frame timing
@@ -65,33 +66,33 @@ public:
     // Provides PowerAdvisor with a copy of the gpu fence so it can determine the gpu end time
     virtual void setGpuFenceTime(DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime) = 0;
     // Reports the start and end times of a hwc validate call this frame for a given display
-    virtual void setHwcValidateTiming(DisplayId displayId, nsecs_t validateStartTime,
-                                      nsecs_t validateEndTime) = 0;
+    virtual void setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                                      TimePoint validateEndTime) = 0;
     // Reports the start and end times of a hwc present call this frame for a given display
-    virtual void setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                                     nsecs_t presentEndTime) = 0;
+    virtual void setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                                     TimePoint presentEndTime) = 0;
     // Reports the expected time that the current frame will present to the display
-    virtual void setExpectedPresentTime(nsecs_t expectedPresentTime) = 0;
+    virtual void setExpectedPresentTime(TimePoint expectedPresentTime) = 0;
     // Reports the most recent present fence time and end time once known
-    virtual void setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) = 0;
+    virtual void setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) = 0;
     // Reports whether a display used client composition this frame
     virtual void setRequiresClientComposition(DisplayId displayId,
                                               bool requiresClientComposition) = 0;
     // Reports whether a given display skipped validation this frame
     virtual void setSkippedValidate(DisplayId displayId, bool skipped) = 0;
     // Reports when a hwc present is delayed, and the time that it will resume
-    virtual void setHwcPresentDelayedTime(
-            DisplayId displayId, std::chrono::steady_clock::time_point earliestFrameStartTime) = 0;
+    virtual void setHwcPresentDelayedTime(DisplayId displayId,
+                                          TimePoint earliestFrameStartTime) = 0;
     // Reports the start delay for SurfaceFlinger this frame
-    virtual void setFrameDelay(nsecs_t frameDelayDuration) = 0;
+    virtual void setFrameDelay(Duration frameDelayDuration) = 0;
     // Reports the SurfaceFlinger commit start time this frame
-    virtual void setCommitStart(nsecs_t commitStartTime) = 0;
+    virtual void setCommitStart(TimePoint commitStartTime) = 0;
     // Reports the SurfaceFlinger composite end time this frame
-    virtual void setCompositeEnd(nsecs_t compositeEndTime) = 0;
+    virtual void setCompositeEnd(TimePoint compositeEndTime) = 0;
     // Reports the list of the currently active displays
     virtual void setDisplays(std::vector<DisplayId>& displayIds) = 0;
     // Sets the target duration for the entire pipeline including the gpu
-    virtual void setTotalFrameTargetWorkDuration(nsecs_t targetDuration) = 0;
+    virtual void setTotalFrameTargetWorkDuration(Duration targetDuration) = 0;
 };
 
 namespace impl {
@@ -105,17 +106,17 @@ public:
         virtual ~HalWrapper() = default;
 
         virtual bool setExpensiveRendering(bool enabled) = 0;
-        virtual bool notifyDisplayUpdateImminent() = 0;
+        virtual bool notifyDisplayUpdateImminentAndCpuReset() = 0;
         virtual bool supportsPowerHintSession() = 0;
         virtual bool isPowerHintSessionRunning() = 0;
         virtual void restartPowerHintSession() = 0;
         virtual void setPowerHintSessionThreadIds(const std::vector<int32_t>& threadIds) = 0;
         virtual bool startPowerHintSession() = 0;
-        virtual void setTargetWorkDuration(nsecs_t targetDuration) = 0;
-        virtual void sendActualWorkDuration(nsecs_t actualDuration, nsecs_t timestamp) = 0;
+        virtual void setTargetWorkDuration(Duration targetDuration) = 0;
+        virtual void sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) = 0;
         virtual bool shouldReconnectHAL() = 0;
         virtual std::vector<int32_t> getPowerHintSessionThreadIds() = 0;
-        virtual std::optional<nsecs_t> getTargetWorkDuration() = 0;
+        virtual std::optional<Duration> getTargetWorkDuration() = 0;
     };
 
     PowerAdvisor(SurfaceFlinger& flinger);
@@ -125,33 +126,31 @@ public:
     void onBootFinished() override;
     void setExpensiveRenderingExpected(DisplayId displayId, bool expected) override;
     bool isUsingExpensiveRendering() override { return mNotifiedExpensiveRendering; };
-    void notifyDisplayUpdateImminent() override;
+    void notifyDisplayUpdateImminentAndCpuReset() override;
     bool usePowerHintSession() override;
     bool supportsPowerHintSession() override;
     bool isPowerHintSessionRunning() override;
-    void setTargetWorkDuration(nsecs_t targetDuration) override;
+    void setTargetWorkDuration(Duration targetDuration) override;
     void sendActualWorkDuration() override;
     void sendPredictedWorkDuration() override;
     void enablePowerHint(bool enabled) override;
     bool startPowerHintSession(const std::vector<int32_t>& threadIds) override;
     void setGpuFenceTime(DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime);
-    void setHwcValidateTiming(DisplayId displayId, nsecs_t valiateStartTime,
-                              nsecs_t validateEndTime) override;
-    void setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                             nsecs_t presentEndTime) override;
+    void setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                              TimePoint validateEndTime) override;
+    void setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                             TimePoint presentEndTime) override;
     void setSkippedValidate(DisplayId displayId, bool skipped) override;
     void setRequiresClientComposition(DisplayId displayId, bool requiresClientComposition) override;
-    void setExpectedPresentTime(nsecs_t expectedPresentTime) override;
-    void setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) override;
-    void setHwcPresentDelayedTime(
-            DisplayId displayId,
-            std::chrono::steady_clock::time_point earliestFrameStartTime) override;
-
-    void setFrameDelay(nsecs_t frameDelayDuration) override;
-    void setCommitStart(nsecs_t commitStartTime) override;
-    void setCompositeEnd(nsecs_t compositeEndTime) override;
+    void setExpectedPresentTime(TimePoint expectedPresentTime) override;
+    void setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) override;
+    void setHwcPresentDelayedTime(DisplayId displayId, TimePoint earliestFrameStartTime) override;
+
+    void setFrameDelay(Duration frameDelayDuration) override;
+    void setCommitStart(TimePoint commitStartTime) override;
+    void setCompositeEnd(TimePoint compositeEndTime) override;
     void setDisplays(std::vector<DisplayId>& displayIds) override;
-    void setTotalFrameTargetWorkDuration(nsecs_t targetDuration) override;
+    void setTotalFrameTargetWorkDuration(Duration targetDuration) override;
 
 private:
     friend class PowerAdvisorTest;
@@ -178,44 +177,45 @@ private:
     // Higher-level timing data used for estimation
     struct DisplayTimeline {
         // The start of hwc present, or the start of validate if it happened there instead
-        nsecs_t hwcPresentStartTime = -1;
+        TimePoint hwcPresentStartTime;
         // The end of hwc present or validate, whichever one actually presented
-        nsecs_t hwcPresentEndTime = -1;
+        TimePoint hwcPresentEndTime;
         // How long the actual hwc present was delayed after hwcPresentStartTime
-        nsecs_t hwcPresentDelayDuration = 0;
+        Duration hwcPresentDelayDuration{0ns};
         // When we think we started waiting for the present fence after calling into hwc present and
         // after potentially waiting for the earliest present time
-        nsecs_t presentFenceWaitStartTime = -1;
+        TimePoint presentFenceWaitStartTime;
         // How long we ran after we finished waiting for the fence but before hwc present finished
-        nsecs_t postPresentFenceHwcPresentDuration = 0;
+        Duration postPresentFenceHwcPresentDuration{0ns};
         // Are we likely to have waited for the present fence during composition
         bool probablyWaitsForPresentFence = false;
         // Estimate one frame's timeline from that of a previous frame
-        DisplayTimeline estimateTimelineFromReference(nsecs_t fenceTime, nsecs_t displayStartTime);
+        DisplayTimeline estimateTimelineFromReference(TimePoint fenceTime,
+                                                      TimePoint displayStartTime);
     };
 
     struct GpuTimeline {
-        nsecs_t duration = 0;
-        nsecs_t startTime = -1;
+        Duration duration{0ns};
+        TimePoint startTime;
     };
 
     // Power hint session data recorded from the pipeline
     struct DisplayTimingData {
         std::unique_ptr<FenceTime> gpuEndFenceTime;
-        std::optional<nsecs_t> gpuStartTime;
-        std::optional<nsecs_t> lastValidGpuEndTime;
-        std::optional<nsecs_t> lastValidGpuStartTime;
-        std::optional<nsecs_t> hwcPresentStartTime;
-        std::optional<nsecs_t> hwcPresentEndTime;
-        std::optional<nsecs_t> hwcValidateStartTime;
-        std::optional<nsecs_t> hwcValidateEndTime;
-        std::optional<nsecs_t> hwcPresentDelayedTime;
+        std::optional<TimePoint> gpuStartTime;
+        std::optional<TimePoint> lastValidGpuEndTime;
+        std::optional<TimePoint> lastValidGpuStartTime;
+        std::optional<TimePoint> hwcPresentStartTime;
+        std::optional<TimePoint> hwcPresentEndTime;
+        std::optional<TimePoint> hwcValidateStartTime;
+        std::optional<TimePoint> hwcValidateEndTime;
+        std::optional<TimePoint> hwcPresentDelayedTime;
         bool usedClientComposition = false;
         bool skippedValidate = false;
         // Calculate high-level timing milestones from more granular display timing data
-        DisplayTimeline calculateDisplayTimeline(nsecs_t fenceTime);
+        DisplayTimeline calculateDisplayTimeline(TimePoint fenceTime);
         // Estimate the gpu duration for a given display from previous gpu timing data
-        std::optional<GpuTimeline> estimateGpuTiming(std::optional<nsecs_t> previousEnd);
+        std::optional<GpuTimeline> estimateGpuTiming(std::optional<TimePoint> previousEndTime);
     };
 
     template <class T, size_t N>
@@ -240,30 +240,31 @@ private:
     };
 
     // Filter and sort the display ids by a given property
-    std::vector<DisplayId> getOrderedDisplayIds(std::optional<nsecs_t> DisplayTimingData::*sortBy);
+    std::vector<DisplayId> getOrderedDisplayIds(
+            std::optional<TimePoint> DisplayTimingData::*sortBy);
     // Estimates a frame's total work duration including gpu time.
     // Runs either at the beginning or end of a frame, using the most recent data available
-    std::optional<nsecs_t> estimateWorkDuration(bool earlyHint);
+    std::optional<Duration> estimateWorkDuration(bool earlyHint);
     // There are two different targets and actual work durations we care about,
     // this normalizes them together and takes the max of the two
-    nsecs_t combineTimingEstimates(nsecs_t totalDuration, nsecs_t flingerDuration);
+    Duration combineTimingEstimates(Duration totalDuration, Duration flingerDuration);
 
     std::unordered_map<DisplayId, DisplayTimingData> mDisplayTimingData;
 
     // Current frame's delay
-    nsecs_t mFrameDelayDuration = 0;
+    Duration mFrameDelayDuration{0ns};
     // Last frame's post-composition duration
-    nsecs_t mLastPostcompDuration = 0;
+    Duration mLastPostcompDuration{0ns};
     // Buffer of recent commit start times
-    RingBuffer<nsecs_t, 2> mCommitStartTimes;
+    RingBuffer<TimePoint, 2> mCommitStartTimes;
     // Buffer of recent expected present times
-    RingBuffer<nsecs_t, 2> mExpectedPresentTimes;
-    // Most recent present fence time, set at the end of the frame once known
-    nsecs_t mLastPresentFenceTime = -1;
-    // Most recent present fence time, set at the end of the frame once known
-    nsecs_t mLastSfPresentEndTime = -1;
-    // Target for the entire pipeline including gpu
-    std::optional<nsecs_t> mTotalFrameTargetDuration;
+    RingBuffer<TimePoint, 2> mExpectedPresentTimes;
+    // Most recent present fence time, provided by SF after composition engine finishes presenting
+    TimePoint mLastPresentFenceTime;
+    // Most recent composition engine present end time, returned with the present fence from SF
+    TimePoint mLastSfPresentEndTime;
+    // Target duration for the entire pipeline including gpu
+    std::optional<Duration> mTotalFrameTargetDuration;
     // Updated list of display IDs
     std::vector<DisplayId> mDisplayIds;
 
@@ -273,11 +274,11 @@ private:
 
     // An adjustable safety margin which pads the "actual" value sent to PowerHAL,
     // encouraging more aggressive boosting to give SurfaceFlinger a larger margin for error
-    static constexpr const std::chrono::nanoseconds kTargetSafetyMargin = 1ms;
+    static constexpr const Duration kTargetSafetyMargin{1ms};
 
     // How long we expect hwc to run after the present call until it waits for the fence
-    static constexpr const std::chrono::nanoseconds kFenceWaitStartDelayValidated = 150us;
-    static constexpr const std::chrono::nanoseconds kFenceWaitStartDelaySkippedValidate = 250us;
+    static constexpr const Duration kFenceWaitStartDelayValidated{150us};
+    static constexpr const Duration kFenceWaitStartDelaySkippedValidate{250us};
 };
 
 class AidlPowerHalWrapper : public PowerAdvisor::HalWrapper {
@@ -288,27 +289,23 @@ public:
     static std::unique_ptr<HalWrapper> connect();
 
     bool setExpensiveRendering(bool enabled) override;
-    bool notifyDisplayUpdateImminent() override;
+    bool notifyDisplayUpdateImminentAndCpuReset() override;
     bool supportsPowerHintSession() override;
     bool isPowerHintSessionRunning() override;
     void restartPowerHintSession() override;
     void setPowerHintSessionThreadIds(const std::vector<int32_t>& threadIds) override;
     bool startPowerHintSession() override;
-    void setTargetWorkDuration(nsecs_t targetDuration) override;
-    void sendActualWorkDuration(nsecs_t actualDuration, nsecs_t timestamp) override;
+    void setTargetWorkDuration(Duration targetDuration) override;
+    void sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) override;
     bool shouldReconnectHAL() override;
     std::vector<int32_t> getPowerHintSessionThreadIds() override;
-    std::optional<nsecs_t> getTargetWorkDuration() override;
+    std::optional<Duration> getTargetWorkDuration() override;
 
 private:
     friend class AidlPowerHalWrapperTest;
 
     bool checkPowerHintSessionSupported();
     void closePowerHintSession();
-    bool shouldReportActualDurations();
-
-    // Used for testing
-    void setAllowedActualDeviation(nsecs_t);
 
     const sp<hardware::power::IPower> mPowerHal = nullptr;
     bool mHasExpensiveRendering = false;
@@ -323,24 +320,15 @@ private:
     // Queue of actual durations saved to report
     std::vector<hardware::power::WorkDuration> mPowerHintQueue;
     // The latest values we have received for target and actual
-    nsecs_t mTargetDuration = kDefaultTarget.count();
-    std::optional<nsecs_t> mActualDuration;
+    Duration mTargetDuration = kDefaultTargetDuration;
+    std::optional<Duration> mActualDuration;
     // The list of thread ids, stored so we can restart the session from this class if needed
     std::vector<int32_t> mPowerHintThreadIds;
     bool mSupportsPowerHint = false;
-    // Keep track of the last messages sent for rate limiter change detection
-    std::optional<nsecs_t> mLastActualDurationSent;
-    // Timestamp of the last report we sent, used to avoid stale sessions
-    nsecs_t mLastActualReportTimestamp = 0;
-    nsecs_t mLastTargetDurationSent = kDefaultTarget.count();
-    // Max amount the error term can vary without causing an actual value report
-    nsecs_t mAllowedActualDeviation = -1;
+    Duration mLastTargetDurationSent = kDefaultTargetDuration;
     // Whether we should emit ATRACE_INT data for hint sessions
     static const bool sTraceHintSessionData;
-    static constexpr const std::chrono::nanoseconds kDefaultTarget = 16ms;
-    // Amount of time after the last message was sent before the session goes stale
-    // actually 100ms but we use 80 here to ideally avoid going stale
-    static constexpr const std::chrono::nanoseconds kStaleTimeout = 80ms;
+    static constexpr Duration kDefaultTargetDuration{16ms};
 };
 
 } // namespace impl
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index 3803a78670..d62075ec65 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -103,6 +103,10 @@ VirtualDisplaySurface::VirtualDisplaySurface(HWComposer& hwc, VirtualDisplayId d
     sink->setAsyncMode(true);
     IGraphicBufferProducer::QueueBufferOutput output;
     mSource[SOURCE_SCRATCH]->connect(nullptr, NATIVE_WINDOW_API_EGL, false, &output);
+
+    for (size_t i = 0; i < sizeof(mHwcBufferIds) / sizeof(mHwcBufferIds[0]); ++i) {
+        mHwcBufferIds[i] = UINT64_MAX;
+    }
 }
 
 VirtualDisplaySurface::~VirtualDisplaySurface() {
@@ -197,9 +201,9 @@ status_t VirtualDisplaySurface::advanceFrame() {
         return NO_MEMORY;
     }
 
-    sp<GraphicBuffer> fbBuffer = mFbProducerSlot >= 0 ?
-            mProducerBuffers[mFbProducerSlot] : sp<GraphicBuffer>(nullptr);
-    sp<GraphicBuffer> outBuffer = mProducerBuffers[mOutputProducerSlot];
+    sp<GraphicBuffer> const& fbBuffer =
+            mFbProducerSlot >= 0 ? mProducerBuffers[mFbProducerSlot] : sp<GraphicBuffer>(nullptr);
+    sp<GraphicBuffer> const& outBuffer = mProducerBuffers[mOutputProducerSlot];
     VDS_LOGV("%s: fb=%d(%p) out=%d(%p)", __func__, mFbProducerSlot, fbBuffer.get(),
              mOutputProducerSlot, outBuffer.get());
 
@@ -211,12 +215,14 @@ status_t VirtualDisplaySurface::advanceFrame() {
 
     status_t result = NO_ERROR;
     if (fbBuffer != nullptr) {
-        uint32_t hwcSlot = 0;
-        sp<GraphicBuffer> hwcBuffer;
-        mHwcBufferCache.getHwcBuffer(mFbProducerSlot, fbBuffer, &hwcSlot, &hwcBuffer);
-
+        // assume that HWC has previously seen the buffer in this slot
+        sp<GraphicBuffer> hwcBuffer = sp<GraphicBuffer>(nullptr);
+        if (fbBuffer->getId() != mHwcBufferIds[mFbProducerSlot]) {
+            mHwcBufferIds[mFbProducerSlot] = fbBuffer->getId();
+            hwcBuffer = fbBuffer; // HWC hasn't previously seen this buffer in this slot
+        }
         // TODO: Correctly propagate the dataspace from GL composition
-        result = mHwc.setClientTarget(*halDisplayId, hwcSlot, mFbFence, hwcBuffer,
+        result = mHwc.setClientTarget(*halDisplayId, mFbProducerSlot, mFbFence, hwcBuffer,
                                       ui::Dataspace::UNKNOWN);
     }
 
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
index e21095aa88..be06e2bb10 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
@@ -20,7 +20,7 @@
 #include <string>
 
 #include <compositionengine/DisplaySurface.h>
-#include <compositionengine/impl/HwcBufferCache.h>
+#include <gui/BufferQueue.h>
 #include <gui/ConsumerBase.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <ui/DisplayId.h>
@@ -164,6 +164,10 @@ private:
     sp<IGraphicBufferProducer> mSource[2]; // indexed by SOURCE_*
     uint32_t mDefaultOutputFormat;
 
+    // Buffers that HWC has seen before, indexed by HWC slot number.
+    // NOTE: The BufferQueue slot number is the same as the HWC slot number.
+    uint64_t mHwcBufferIds[BufferQueue::NUM_BUFFER_SLOTS];
+
     //
     // Inter-frame state
     //
@@ -260,8 +264,6 @@ private:
 
     bool mMustRecompose = false;
 
-    compositionengine::impl::HwcBufferCache mHwcBufferCache;
-
     bool mForceHwcCopy;
 };
 
diff --git a/services/surfaceflinger/EffectLayer.cpp b/services/surfaceflinger/EffectLayer.cpp
deleted file mode 100644
index e8c590e3c4..0000000000
--- a/services/surfaceflinger/EffectLayer.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-// #define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "EffectLayer"
-
-#include "EffectLayer.h"
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#include <compositionengine/CompositionEngine.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <renderengine/RenderEngine.h>
-#include <ui/GraphicBuffer.h>
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include "DisplayDevice.h"
-#include "SurfaceFlinger.h"
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-EffectLayer::EffectLayer(const LayerCreationArgs& args)
-      : Layer(args),
-        mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {}
-
-EffectLayer::~EffectLayer() = default;
-
-std::vector<compositionengine::LayerFE::LayerSettings> EffectLayer::prepareClientCompositionList(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    std::vector<compositionengine::LayerFE::LayerSettings> results;
-    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
-            prepareClientComposition(targetSettings);
-    // Nothing to render.
-    if (!layerSettings) {
-        return {};
-    }
-
-    // set the shadow for the layer if needed
-    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
-
-    // If fill bounds are occluded or the fill color is invalid skip the fill settings.
-    if (targetSettings.realContentIsVisible && fillsColor()) {
-        // Set color for color fill settings.
-        layerSettings->source.solidColor = getColor().rgb;
-        results.push_back(*layerSettings);
-    } else if (hasBlur() || drawShadows()) {
-        layerSettings->skipContentDraw = true;
-        results.push_back(*layerSettings);
-    }
-
-    return results;
-}
-
-bool EffectLayer::isVisible() const {
-    return !isHiddenByPolicy() && (getAlpha() > 0.0_hf || hasBlur()) && hasSomethingToDraw();
-}
-
-bool EffectLayer::setColor(const half3& color) {
-    if (mDrawingState.color.r == color.r && mDrawingState.color.g == color.g &&
-        mDrawingState.color.b == color.b) {
-        return false;
-    }
-
-    mDrawingState.sequence++;
-    mDrawingState.color.r = color.r;
-    mDrawingState.color.g = color.g;
-    mDrawingState.color.b = color.b;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool EffectLayer::setDataspace(ui::Dataspace dataspace) {
-    if (mDrawingState.dataspace == dataspace) {
-        return false;
-    }
-
-    mDrawingState.sequence++;
-    mDrawingState.dataspace = dataspace;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-void EffectLayer::preparePerFrameCompositionState() {
-    Layer::preparePerFrameCompositionState();
-
-    auto* compositionState = editCompositionState();
-    compositionState->color = getColor();
-    compositionState->compositionType =
-            aidl::android::hardware::graphics::composer3::Composition::SOLID_COLOR;
-}
-
-sp<compositionengine::LayerFE> EffectLayer::getCompositionEngineLayerFE() const {
-    // There's no need to get a CE Layer if the EffectLayer isn't going to draw anything. In that
-    // case, it acts more like a ContainerLayer so returning a null CE Layer makes more sense
-    if (hasSomethingToDraw()) {
-        return asLayerFE();
-    } else {
-        return nullptr;
-    }
-}
-
-compositionengine::LayerFECompositionState* EffectLayer::editCompositionState() {
-    return mCompositionState.get();
-}
-
-const compositionengine::LayerFECompositionState* EffectLayer::getCompositionState() const {
-    return mCompositionState.get();
-}
-
-bool EffectLayer::isOpaque(const Layer::State& s) const {
-    // Consider the layer to be opaque if its opaque flag is set or its effective
-    // alpha (considering the alpha of its parents as well) is 1.0;
-    return (s.flags & layer_state_t::eLayerOpaque) != 0 || (fillsColor() && getAlpha() == 1.0_hf);
-}
-
-ui::Dataspace EffectLayer::getDataSpace() const {
-    return mDrawingState.dataspace;
-}
-
-sp<Layer> EffectLayer::createClone() {
-    sp<EffectLayer> layer = mFlinger->getFactory().createEffectLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata()));
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-bool EffectLayer::fillsColor() const {
-    return mDrawingState.color.r >= 0.0_hf && mDrawingState.color.g >= 0.0_hf &&
-            mDrawingState.color.b >= 0.0_hf;
-}
-
-bool EffectLayer::hasBlur() const {
-    return getBackgroundBlurRadius() > 0 || getDrawingState().blurRegions.size() > 0;
-}
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/EffectLayer.h b/services/surfaceflinger/EffectLayer.h
deleted file mode 100644
index 1dcb633251..0000000000
--- a/services/surfaceflinger/EffectLayer.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <sys/types.h>
-
-#include <cstdint>
-
-#include "Layer.h"
-
-namespace android {
-
-// A layer that can render a combination of the following effects.
-//   * fill the bounds of the layer with a color
-//   * render a shadow cast by the bounds of the layer
-// If no effects are enabled, the layer is considered to be invisible.
-class EffectLayer : public Layer {
-public:
-    explicit EffectLayer(const LayerCreationArgs&);
-    ~EffectLayer() override;
-
-    sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const override;
-    compositionengine::LayerFECompositionState* editCompositionState() override;
-
-    const char* getType() const override { return "EffectLayer"; }
-    bool isVisible() const override;
-
-    bool setColor(const half3& color) override;
-
-    bool setDataspace(ui::Dataspace dataspace) override;
-
-    ui::Dataspace getDataSpace() const override;
-
-    bool isOpaque(const Layer::State& s) const override;
-
-protected:
-    /*
-     * compositionengine::LayerFE overrides
-     */
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    void preparePerFrameCompositionState() override;
-    std::vector<compositionengine::LayerFE::LayerSettings> prepareClientCompositionList(
-            compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) override;
-
-    std::unique_ptr<compositionengine::LayerFECompositionState> mCompositionState;
-
-    sp<Layer> createClone() override;
-
-private:
-    // Returns true if there is a valid color to fill.
-    bool fillsColor() const;
-    // Returns true if this layer has a blur value.
-    bool hasBlur() const;
-    bool hasSomethingToDraw() const { return fillsColor() || drawShadows() || hasBlur(); }
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/FpsReporter.cpp b/services/surfaceflinger/FpsReporter.cpp
index e12835f0f6..155cf4da58 100644
--- a/services/surfaceflinger/FpsReporter.cpp
+++ b/services/surfaceflinger/FpsReporter.cpp
@@ -56,14 +56,15 @@ void FpsReporter::dispatchLayerFps() {
 
     mFlinger.mCurrentState.traverse([&](Layer* layer) {
         auto& currentState = layer->getDrawingState();
-        if (currentState.metadata.has(METADATA_TASK_ID)) {
-            int32_t taskId = currentState.metadata.getInt32(METADATA_TASK_ID, 0);
+        if (currentState.metadata.has(gui::METADATA_TASK_ID)) {
+            int32_t taskId = currentState.metadata.getInt32(gui::METADATA_TASK_ID, 0);
             if (seenTasks.count(taskId) == 0) {
                 // localListeners is expected to be tiny
                 for (TrackedListener& listener : localListeners) {
                     if (listener.taskId == taskId) {
                         seenTasks.insert(taskId);
-                        listenersAndLayersToReport.push_back({listener, sp<Layer>(layer)});
+                        listenersAndLayersToReport.push_back(
+                                {listener, sp<Layer>::fromExisting(layer)});
                         break;
                     }
                 }
@@ -90,7 +91,7 @@ void FpsReporter::binderDied(const wp<IBinder>& who) {
 
 void FpsReporter::addListener(const sp<gui::IFpsListener>& listener, int32_t taskId) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mMutex);
     mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, taskId});
 }
diff --git a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
index 66beff2953..cd1ba70d84 100644
--- a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
+++ b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
@@ -109,11 +109,11 @@ std::string jankTypeBitmaskToString(int32_t jankType) {
         jankType &= ~JankType::DisplayHAL;
     }
     if (jankType & JankType::SurfaceFlingerCpuDeadlineMissed) {
-        janks.emplace_back("SurfaceFlinger CPU Deadline Missed");
+        janks.emplace_back("SurfaceFlinger deadline missed (while in HWC)");
         jankType &= ~JankType::SurfaceFlingerCpuDeadlineMissed;
     }
     if (jankType & JankType::SurfaceFlingerGpuDeadlineMissed) {
-        janks.emplace_back("SurfaceFlinger GPU Deadline Missed");
+        janks.emplace_back("SurfaceFlinger deadline missed (while in GPU comp)");
         jankType &= ~JankType::SurfaceFlingerGpuDeadlineMissed;
     }
     if (jankType & JankType::AppDeadlineMissed) {
@@ -289,7 +289,7 @@ nsecs_t getMinTime(PredictionState predictionState, TimelineItem predictions,
         minTime = std::min(minTime, actuals.endTime);
     }
     if (actuals.presentTime != 0) {
-        minTime = std::min(minTime, actuals.endTime);
+        minTime = std::min(minTime, actuals.presentTime);
     }
     return minTime;
 }
@@ -892,6 +892,10 @@ void FrameTimeline::DisplayFrame::classifyJank(nsecs_t& deadlineDelta, nsecs_t&
         mJankType = JankType::Unknown;
         deadlineDelta = 0;
         deltaToVsync = 0;
+        if (mSurfaceFlingerActuals.presentTime == Fence::SIGNAL_TIME_INVALID) {
+            mSurfaceFlingerActuals.presentTime = mSurfaceFlingerActuals.endTime;
+        }
+
         return;
     }
 
@@ -986,11 +990,8 @@ void FrameTimeline::DisplayFrame::classifyJank(nsecs_t& deadlineDelta, nsecs_t&
                                     mJankClassificationThresholds.presentThreshold) {
                     // Classify CPU vs GPU if SF wasn't stuffed or if SF was stuffed but this frame
                     // was presented more than a vsync late.
-                    if (mGpuFence != FenceTime::NO_FENCE &&
-                        mSurfaceFlingerActuals.endTime - mSurfaceFlingerActuals.startTime <
-                                mRefreshRate.getPeriodNsecs()) {
-                        // If SF was in GPU composition and the CPU work finished before the vsync
-                        // period, classify it as GPU deadline missed.
+                    if (mGpuFence != FenceTime::NO_FENCE) {
+                        // If SF was in GPU composition, classify it as GPU deadline missed.
                         mJankType = JankType::SurfaceFlingerGpuDeadlineMissed;
                     } else {
                         mJankType = JankType::SurfaceFlingerCpuDeadlineMissed;
@@ -1171,22 +1172,50 @@ float FrameTimeline::computeFps(const std::unordered_set<int32_t>& layerIds) {
             static_cast<float>(totalPresentToPresentWalls);
 }
 
+std::optional<size_t> FrameTimeline::getFirstSignalFenceIndex() const {
+    for (size_t i = 0; i < mPendingPresentFences.size(); i++) {
+        const auto& [fence, _] = mPendingPresentFences[i];
+        if (fence && fence->isValid() && fence->getSignalTime() != Fence::SIGNAL_TIME_PENDING) {
+            return i;
+        }
+    }
+
+    return {};
+}
+
 void FrameTimeline::flushPendingPresentFences() {
+    const auto firstSignaledFence = getFirstSignalFenceIndex();
+    if (!firstSignaledFence.has_value()) {
+        return;
+    }
+
     // Perfetto is using boottime clock to void drifts when the device goes
     // to suspend.
     const auto monoBootOffset = mUseBootTimeClock
             ? (systemTime(SYSTEM_TIME_BOOTTIME) - systemTime(SYSTEM_TIME_MONOTONIC))
             : 0;
 
+    // Present fences are expected to be signaled in order. Mark all the previous
+    // pending fences as errors.
+    for (size_t i = 0; i < firstSignaledFence.value(); i++) {
+        const auto& pendingPresentFence = *mPendingPresentFences.begin();
+        const nsecs_t signalTime = Fence::SIGNAL_TIME_INVALID;
+        auto& displayFrame = pendingPresentFence.second;
+        displayFrame->onPresent(signalTime, mPreviousPresentTime);
+        displayFrame->trace(mSurfaceFlingerPid, monoBootOffset);
+        mPendingPresentFences.erase(mPendingPresentFences.begin());
+    }
+
     for (size_t i = 0; i < mPendingPresentFences.size(); i++) {
         const auto& pendingPresentFence = mPendingPresentFences[i];
         nsecs_t signalTime = Fence::SIGNAL_TIME_INVALID;
         if (pendingPresentFence.first && pendingPresentFence.first->isValid()) {
             signalTime = pendingPresentFence.first->getSignalTime();
             if (signalTime == Fence::SIGNAL_TIME_PENDING) {
-                continue;
+                break;
             }
         }
+
         auto& displayFrame = pendingPresentFence.second;
         displayFrame->onPresent(signalTime, mPreviousPresentTime);
         displayFrame->trace(mSurfaceFlingerPid, monoBootOffset);
diff --git a/services/surfaceflinger/FrameTimeline/FrameTimeline.h b/services/surfaceflinger/FrameTimeline/FrameTimeline.h
index a2305af554..31074b1959 100644
--- a/services/surfaceflinger/FrameTimeline/FrameTimeline.h
+++ b/services/surfaceflinger/FrameTimeline/FrameTimeline.h
@@ -474,6 +474,7 @@ private:
     friend class android::frametimeline::FrameTimelineTest;
 
     void flushPendingPresentFences() REQUIRES(mMutex);
+    std::optional<size_t> getFirstSignalFenceIndex() const REQUIRES(mMutex);
     void finalizeCurrentDisplayFrame() REQUIRES(mMutex);
     void dumpAll(std::string& result);
     void dumpJank(std::string& result);
diff --git a/services/surfaceflinger/FrontEnd/DisplayInfo.h b/services/surfaceflinger/FrontEnd/DisplayInfo.h
new file mode 100644
index 0000000000..0c7b24a2c4
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/DisplayInfo.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <gui/DisplayInfo.h>
+
+namespace android::surfaceflinger::frontend {
+
+// Display information needed to populate input and calculate layer geometry.
+struct DisplayInfo {
+    gui::DisplayInfo info;
+    ui::Transform transform;
+    bool receivesInput;
+    bool isSecure;
+    // TODO(b/238781169) can eliminate once sPrimaryDisplayRotationFlags is removed.
+    bool isPrimary;
+    ui::Transform::RotationFlags rotationFlags;
+};
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp b/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp
new file mode 100644
index 0000000000..6d492c0f4a
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "LayerCreationArgs.h"
+#include <binder/IPCThreadState.h>
+#include <private/android_filesystem_config.h>
+#include "Client.h"
+#include "gui/LayerMetadata.h"
+
+namespace android::surfaceflinger {
+
+std::atomic<uint32_t> LayerCreationArgs::sSequence{1};
+
+LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,
+                                     uint32_t flags, gui::LayerMetadata metadataArg,
+                                     std::optional<uint32_t> id)
+      : flinger(flinger),
+        client(std::move(client)),
+        name(std::move(name)),
+        flags(flags),
+        metadata(std::move(metadataArg)) {
+    IPCThreadState* ipc = IPCThreadState::self();
+    ownerPid = ipc->getCallingPid();
+    uid_t callingUid = ipc->getCallingUid();
+    metadata.setInt32(gui::METADATA_CALLING_UID, static_cast<int32_t>(callingUid));
+    ownerUid = callingUid;
+    if (ownerUid == AID_GRAPHICS || ownerUid == AID_SYSTEM) {
+        // System can override the calling UID/PID since it can create layers on behalf of apps.
+        ownerPid = metadata.getInt32(gui::METADATA_OWNER_PID, ownerPid);
+        ownerUid = static_cast<uid_t>(
+                metadata.getInt32(gui::METADATA_OWNER_UID, static_cast<int32_t>(ownerUid)));
+    }
+
+    if (id) {
+        sequence = *id;
+        sSequence = *id + 1;
+    } else {
+        sequence = sSequence++;
+        if (sequence == UNASSIGNED_LAYER_ID) {
+            ALOGW("Layer sequence id rolled over.");
+            sequence = sSequence++;
+        }
+    }
+}
+
+LayerCreationArgs::LayerCreationArgs(const LayerCreationArgs& args)
+      : LayerCreationArgs(args.flinger, args.client, args.name, args.flags, args.metadata) {}
+
+} // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/LayerCreationArgs.h b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
new file mode 100644
index 0000000000..7b5a157871
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/Binder.h>
+#include <gui/LayerMetadata.h>
+#include <utils/StrongPointer.h>
+#include <cstdint>
+#include <limits>
+#include <optional>
+constexpr uint32_t UNASSIGNED_LAYER_ID = std::numeric_limits<uint32_t>::max();
+
+namespace android {
+class SurfaceFlinger;
+class Client;
+} // namespace android
+
+namespace android::surfaceflinger {
+
+struct LayerCreationArgs {
+    static std::atomic<uint32_t> sSequence;
+
+    LayerCreationArgs(android::SurfaceFlinger*, sp<android::Client>, std::string name,
+                      uint32_t flags, gui::LayerMetadata,
+                      std::optional<uint32_t> id = std::nullopt);
+    LayerCreationArgs(const LayerCreationArgs&);
+
+    android::SurfaceFlinger* flinger;
+    sp<android::Client> client;
+    std::string name;
+    uint32_t flags; // ISurfaceComposerClient flags
+    gui::LayerMetadata metadata;
+    pid_t ownerPid;
+    uid_t ownerUid;
+    uint32_t textureName;
+    uint32_t sequence;
+    bool addToRoot = true;
+    wp<IBinder> parentHandle = nullptr;
+    wp<IBinder> mirrorLayerHandle = nullptr;
+};
+
+} // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/LayerHandle.cpp b/services/surfaceflinger/FrontEnd/LayerHandle.cpp
new file mode 100644
index 0000000000..75e4e3ae11
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerHandle.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "LayerHandle.h"
+#include <cstdint>
+#include "Layer.h"
+#include "LayerCreationArgs.h"
+#include "SurfaceFlinger.h"
+
+namespace android::surfaceflinger {
+
+LayerHandle::LayerHandle(const sp<android::SurfaceFlinger>& flinger,
+                         const sp<android::Layer>& layer)
+      : mFlinger(flinger), mLayer(layer), mLayerId(static_cast<uint32_t>(layer->getSequence())) {}
+
+LayerHandle::~LayerHandle() {
+    if (mFlinger) {
+        mFlinger->onHandleDestroyed(this, mLayer, mLayerId);
+    }
+}
+
+const String16 LayerHandle::kDescriptor = String16("android.Layer.LayerHandle");
+
+sp<LayerHandle> LayerHandle::fromIBinder(const sp<IBinder>& binder) {
+    if (binder == nullptr) {
+        return nullptr;
+    }
+
+    BBinder* b = binder->localBinder();
+    if (b == nullptr || b->getInterfaceDescriptor() != LayerHandle::kDescriptor) {
+        ALOGD("handle does not have a valid descriptor");
+        return nullptr;
+    }
+
+    // We can safely cast this binder since its local and we verified its interface descriptor.
+    return sp<LayerHandle>::cast(binder);
+}
+
+sp<android::Layer> LayerHandle::getLayer(const sp<IBinder>& binder) {
+    sp<LayerHandle> handle = LayerHandle::fromIBinder(binder);
+    return handle ? handle->mLayer : nullptr;
+}
+
+uint32_t LayerHandle::getLayerId(const sp<IBinder>& binder) {
+    sp<LayerHandle> handle = LayerHandle::fromIBinder(binder);
+    return handle ? handle->mLayerId : UNASSIGNED_LAYER_ID;
+}
+
+} // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/LayerHandle.h b/services/surfaceflinger/FrontEnd/LayerHandle.h
new file mode 100644
index 0000000000..5d0f783515
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerHandle.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/Binder.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+class SurfaceFlinger;
+class Layer;
+} // namespace android
+
+namespace android::surfaceflinger {
+
+/*
+ * The layer handle is just a BBinder object passed to the client
+ * (remote process) -- we don't keep any reference on our side such that
+ * the dtor is called when the remote side let go of its reference.
+ *
+ * ~LayerHandle ensures that mFlinger->onLayerDestroyed() is called for
+ * this layer when the handle is destroyed.
+ */
+class LayerHandle : public BBinder {
+public:
+    LayerHandle(const sp<android::SurfaceFlinger>& flinger, const sp<android::Layer>& layer);
+    // for testing
+    LayerHandle(uint32_t layerId) : mFlinger(nullptr), mLayer(nullptr), mLayerId(layerId) {}
+    ~LayerHandle();
+
+    // Static functions to access the layer and layer id safely from an incoming binder.
+    static sp<LayerHandle> fromIBinder(const sp<IBinder>& handle);
+    static sp<android::Layer> getLayer(const sp<IBinder>& handle);
+    static uint32_t getLayerId(const sp<IBinder>& handle);
+    static const String16 kDescriptor;
+
+    const String16& getInterfaceDescriptor() const override { return kDescriptor; }
+
+private:
+    sp<android::SurfaceFlinger> mFlinger;
+    sp<android::Layer> mLayer;
+    const uint32_t mLayerId;
+};
+
+} // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/LayerHierarchy.cpp b/services/surfaceflinger/FrontEnd/LayerHierarchy.cpp
new file mode 100644
index 0000000000..db4e8af484
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerHierarchy.cpp
@@ -0,0 +1,472 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+#undef LOG_TAG
+#define LOG_TAG "LayerHierarchy"
+
+#include "LayerHierarchy.h"
+#include "SwapErase.h"
+
+namespace android::surfaceflinger::frontend {
+
+namespace {
+auto layerZCompare = [](const std::pair<LayerHierarchy*, LayerHierarchy::Variant>& lhs,
+                        const std::pair<LayerHierarchy*, LayerHierarchy::Variant>& rhs) {
+    auto lhsLayer = lhs.first->getLayer();
+    auto rhsLayer = rhs.first->getLayer();
+    if (lhsLayer->layerStack != rhsLayer->layerStack) {
+        return lhsLayer->layerStack.id < rhsLayer->layerStack.id;
+    }
+    if (lhsLayer->z != rhsLayer->z) {
+        return lhsLayer->z < rhsLayer->z;
+    }
+    return lhsLayer->id < rhsLayer->id;
+};
+
+void insertSorted(std::vector<std::pair<LayerHierarchy*, LayerHierarchy::Variant>>& vec,
+                  std::pair<LayerHierarchy*, LayerHierarchy::Variant> value) {
+    auto it = std::upper_bound(vec.begin(), vec.end(), value, layerZCompare);
+    vec.insert(it, std::move(value));
+}
+} // namespace
+
+LayerHierarchy::LayerHierarchy(RequestedLayerState* layer) : mLayer(layer) {}
+
+LayerHierarchy::LayerHierarchy(const LayerHierarchy& hierarchy, bool childrenOnly) {
+    mLayer = (childrenOnly) ? nullptr : hierarchy.mLayer;
+    mChildren = hierarchy.mChildren;
+}
+
+void LayerHierarchy::traverse(const Visitor& visitor,
+                              LayerHierarchy::TraversalPath& traversalPath) const {
+    if (mLayer) {
+        bool breakTraversal = !visitor(*this, traversalPath);
+        if (breakTraversal) {
+            return;
+        }
+    }
+    if (traversalPath.hasRelZLoop()) {
+        LOG_ALWAYS_FATAL("Found relative z loop layerId:%d", traversalPath.invalidRelativeRootId);
+    }
+    for (auto& [child, childVariant] : mChildren) {
+        ScopedAddToTraversalPath addChildToTraversalPath(traversalPath, child->mLayer->id,
+                                                         childVariant);
+        child->traverse(visitor, traversalPath);
+    }
+}
+
+void LayerHierarchy::traverseInZOrder(const Visitor& visitor,
+                                      LayerHierarchy::TraversalPath& traversalPath) const {
+    bool traverseThisLayer = (mLayer != nullptr);
+    for (auto it = mChildren.begin(); it < mChildren.end(); it++) {
+        auto& [child, childVariant] = *it;
+        if (traverseThisLayer && child->getLayer()->z >= 0) {
+            bool breakTraversal = !visitor(*this, traversalPath);
+            if (breakTraversal) {
+                return;
+            }
+            traverseThisLayer = false;
+        }
+        if (childVariant == LayerHierarchy::Variant::Detached) {
+            continue;
+        }
+        ScopedAddToTraversalPath addChildToTraversalPath(traversalPath, child->mLayer->id,
+                                                         childVariant);
+        child->traverseInZOrder(visitor, traversalPath);
+    }
+
+    if (traverseThisLayer) {
+        visitor(*this, traversalPath);
+    }
+}
+
+void LayerHierarchy::addChild(LayerHierarchy* child, LayerHierarchy::Variant variant) {
+    insertSorted(mChildren, {child, variant});
+}
+
+void LayerHierarchy::removeChild(LayerHierarchy* child) {
+    auto it = std::find_if(mChildren.begin(), mChildren.end(),
+                           [child](const std::pair<LayerHierarchy*, Variant>& x) {
+                               return x.first == child;
+                           });
+    if (it == mChildren.end()) {
+        LOG_ALWAYS_FATAL("Could not find child!");
+    }
+    mChildren.erase(it);
+}
+
+void LayerHierarchy::sortChildrenByZOrder() {
+    std::sort(mChildren.begin(), mChildren.end(), layerZCompare);
+}
+
+void LayerHierarchy::updateChild(LayerHierarchy* hierarchy, LayerHierarchy::Variant variant) {
+    auto it = std::find_if(mChildren.begin(), mChildren.end(),
+                           [hierarchy](std::pair<LayerHierarchy*, Variant>& child) {
+                               return child.first == hierarchy;
+                           });
+    if (it == mChildren.end()) {
+        LOG_ALWAYS_FATAL("Could not find child!");
+    } else {
+        it->second = variant;
+    }
+}
+
+const RequestedLayerState* LayerHierarchy::getLayer() const {
+    return mLayer;
+}
+
+std::string LayerHierarchy::getDebugStringShort() const {
+    std::string debug = "LayerHierarchy{";
+    debug += ((mLayer) ? mLayer->getDebugStringShort() : "root") + " ";
+    if (mChildren.empty()) {
+        debug += "no children";
+    } else {
+        debug += std::to_string(mChildren.size()) + " children";
+    }
+    return debug + "}";
+}
+
+std::string LayerHierarchy::getDebugString(const char* prefix) const {
+    std::string debug = prefix + getDebugStringShort();
+    for (auto& [child, childVariant] : mChildren) {
+        std::string childPrefix = "  " + std::string(prefix) + " " + std::to_string(childVariant);
+        debug += "\n" + child->getDebugString(childPrefix.c_str());
+    }
+    return debug;
+}
+
+bool LayerHierarchy::hasRelZLoop(uint32_t& outInvalidRelativeRoot) const {
+    outInvalidRelativeRoot = UNASSIGNED_LAYER_ID;
+    traverse([&outInvalidRelativeRoot](const LayerHierarchy&,
+                                       const LayerHierarchy::TraversalPath& traversalPath) -> bool {
+        if (traversalPath.hasRelZLoop()) {
+            outInvalidRelativeRoot = traversalPath.invalidRelativeRootId;
+            return false;
+        }
+        return true;
+    });
+    return outInvalidRelativeRoot != UNASSIGNED_LAYER_ID;
+}
+
+LayerHierarchyBuilder::LayerHierarchyBuilder(
+        const std::vector<std::unique_ptr<RequestedLayerState>>& layers) {
+    mHierarchies.reserve(layers.size());
+    mLayerIdToHierarchy.reserve(layers.size());
+    for (auto& layer : layers) {
+        mHierarchies.emplace_back(std::make_unique<LayerHierarchy>(layer.get()));
+        mLayerIdToHierarchy[layer->id] = mHierarchies.back().get();
+    }
+    for (const auto& layer : layers) {
+        onLayerAdded(layer.get());
+    }
+    detachHierarchyFromRelativeParent(&mOffscreenRoot);
+}
+
+void LayerHierarchyBuilder::attachToParent(LayerHierarchy* hierarchy) {
+    auto layer = hierarchy->mLayer;
+    LayerHierarchy::Variant type = layer->hasValidRelativeParent()
+            ? LayerHierarchy::Variant::Detached
+            : LayerHierarchy::Variant::Attached;
+
+    LayerHierarchy* parent;
+
+    if (layer->parentId != UNASSIGNED_LAYER_ID) {
+        parent = getHierarchyFromId(layer->parentId);
+    } else if (layer->canBeRoot) {
+        parent = &mRoot;
+    } else {
+        parent = &mOffscreenRoot;
+    }
+    parent->addChild(hierarchy, type);
+    hierarchy->mParent = parent;
+}
+
+void LayerHierarchyBuilder::detachFromParent(LayerHierarchy* hierarchy) {
+    hierarchy->mParent->removeChild(hierarchy);
+    hierarchy->mParent = nullptr;
+}
+
+void LayerHierarchyBuilder::attachToRelativeParent(LayerHierarchy* hierarchy) {
+    auto layer = hierarchy->mLayer;
+    if (!layer->hasValidRelativeParent() || hierarchy->mRelativeParent) {
+        return;
+    }
+
+    if (layer->relativeParentId != UNASSIGNED_LAYER_ID) {
+        hierarchy->mRelativeParent = getHierarchyFromId(layer->relativeParentId);
+    } else {
+        hierarchy->mRelativeParent = &mOffscreenRoot;
+    }
+    hierarchy->mRelativeParent->addChild(hierarchy, LayerHierarchy::Variant::Relative);
+    hierarchy->mParent->updateChild(hierarchy, LayerHierarchy::Variant::Detached);
+}
+
+void LayerHierarchyBuilder::detachFromRelativeParent(LayerHierarchy* hierarchy) {
+    if (hierarchy->mRelativeParent) {
+        hierarchy->mRelativeParent->removeChild(hierarchy);
+    }
+    hierarchy->mRelativeParent = nullptr;
+    hierarchy->mParent->updateChild(hierarchy, LayerHierarchy::Variant::Attached);
+}
+
+void LayerHierarchyBuilder::attachHierarchyToRelativeParent(LayerHierarchy* root) {
+    if (root->mLayer) {
+        attachToRelativeParent(root);
+    }
+    for (auto& [child, childVariant] : root->mChildren) {
+        if (childVariant == LayerHierarchy::Variant::Detached ||
+            childVariant == LayerHierarchy::Variant::Attached) {
+            attachHierarchyToRelativeParent(child);
+        }
+    }
+}
+
+void LayerHierarchyBuilder::detachHierarchyFromRelativeParent(LayerHierarchy* root) {
+    if (root->mLayer) {
+        detachFromRelativeParent(root);
+    }
+    for (auto& [child, childVariant] : root->mChildren) {
+        if (childVariant == LayerHierarchy::Variant::Detached ||
+            childVariant == LayerHierarchy::Variant::Attached) {
+            detachHierarchyFromRelativeParent(child);
+        }
+    }
+}
+
+void LayerHierarchyBuilder::onLayerAdded(RequestedLayerState* layer) {
+    LayerHierarchy* hierarchy = getHierarchyFromId(layer->id);
+    attachToParent(hierarchy);
+    attachToRelativeParent(hierarchy);
+
+    if (layer->mirrorId != UNASSIGNED_LAYER_ID) {
+        LayerHierarchy* mirror = getHierarchyFromId(layer->mirrorId);
+        hierarchy->addChild(mirror, LayerHierarchy::Variant::Mirror);
+    }
+}
+
+void LayerHierarchyBuilder::onLayerDestroyed(RequestedLayerState* layer) {
+    LayerHierarchy* hierarchy = getHierarchyFromId(layer->id, /*crashOnFailure=*/false);
+    if (!hierarchy) {
+        // Layer was never part of the hierarchy if it was created and destroyed in the same
+        // transaction.
+        return;
+    }
+    // detach from parent
+    detachFromRelativeParent(hierarchy);
+    detachFromParent(hierarchy);
+
+    // detach children
+    for (auto& [child, variant] : hierarchy->mChildren) {
+        if (variant == LayerHierarchy::Variant::Attached ||
+            variant == LayerHierarchy::Variant::Detached) {
+            mOffscreenRoot.addChild(child, LayerHierarchy::Variant::Attached);
+            child->mParent = &mOffscreenRoot;
+        } else if (variant == LayerHierarchy::Variant::Relative) {
+            mOffscreenRoot.addChild(child, LayerHierarchy::Variant::Attached);
+            child->mRelativeParent = &mOffscreenRoot;
+        }
+    }
+
+    swapErase(mHierarchies, [hierarchy](std::unique_ptr<LayerHierarchy>& layerHierarchy) {
+        return layerHierarchy.get() == hierarchy;
+    });
+    mLayerIdToHierarchy.erase(layer->id);
+}
+
+void LayerHierarchyBuilder::updateMirrorLayer(RequestedLayerState* layer) {
+    LayerHierarchy* hierarchy = getHierarchyFromId(layer->id);
+    auto it = hierarchy->mChildren.begin();
+    while (it != hierarchy->mChildren.end()) {
+        if (it->second == LayerHierarchy::Variant::Mirror) {
+            hierarchy->mChildren.erase(it);
+            break;
+        }
+        it++;
+    }
+
+    if (layer->mirrorId != UNASSIGNED_LAYER_ID) {
+        hierarchy->addChild(getHierarchyFromId(layer->mirrorId), LayerHierarchy::Variant::Mirror);
+    }
+}
+
+void LayerHierarchyBuilder::update(
+        const std::vector<std::unique_ptr<RequestedLayerState>>& layers,
+        const std::vector<std::unique_ptr<RequestedLayerState>>& destroyedLayers) {
+    // rebuild map
+    for (auto& layer : layers) {
+        if (layer->changes.test(RequestedLayerState::Changes::Created)) {
+            mHierarchies.emplace_back(std::make_unique<LayerHierarchy>(layer.get()));
+            mLayerIdToHierarchy[layer->id] = mHierarchies.back().get();
+        }
+    }
+
+    for (auto& layer : layers) {
+        if (layer->changes.get() == 0) {
+            continue;
+        }
+        if (layer->changes.test(RequestedLayerState::Changes::Created)) {
+            onLayerAdded(layer.get());
+            continue;
+        }
+        LayerHierarchy* hierarchy = getHierarchyFromId(layer->id);
+        if (layer->changes.test(RequestedLayerState::Changes::Parent)) {
+            detachFromParent(hierarchy);
+            attachToParent(hierarchy);
+        }
+        if (layer->changes.test(RequestedLayerState::Changes::RelativeParent)) {
+            detachFromRelativeParent(hierarchy);
+            attachToRelativeParent(hierarchy);
+        }
+        if (layer->changes.test(RequestedLayerState::Changes::Z)) {
+            hierarchy->mParent->sortChildrenByZOrder();
+            if (hierarchy->mRelativeParent) {
+                hierarchy->mRelativeParent->sortChildrenByZOrder();
+            }
+        }
+        if (layer->changes.test(RequestedLayerState::Changes::Mirror)) {
+            updateMirrorLayer(layer.get());
+        }
+    }
+
+    for (auto& layer : destroyedLayers) {
+        onLayerDestroyed(layer.get());
+    }
+    // When moving from onscreen to offscreen and vice versa, we need to attach and detach
+    // from our relative parents. This walks down both trees to do so. We can optimize this
+    // further by tracking onscreen, offscreen state in LayerHierarchy.
+    detachHierarchyFromRelativeParent(&mOffscreenRoot);
+    attachHierarchyToRelativeParent(&mRoot);
+}
+
+const LayerHierarchy& LayerHierarchyBuilder::getHierarchy() const {
+    return mRoot;
+}
+
+const LayerHierarchy& LayerHierarchyBuilder::getOffscreenHierarchy() const {
+    return mOffscreenRoot;
+}
+
+std::string LayerHierarchyBuilder::getDebugString(uint32_t layerId, uint32_t depth) const {
+    if (depth > 10) return "too deep, loop?";
+    if (layerId == UNASSIGNED_LAYER_ID) return "";
+    auto it = mLayerIdToHierarchy.find(layerId);
+    if (it == mLayerIdToHierarchy.end()) return "not found";
+
+    LayerHierarchy* hierarchy = it->second;
+    if (!hierarchy->mLayer) return "none";
+
+    std::string debug =
+            "[" + std::to_string(hierarchy->mLayer->id) + "] " + hierarchy->mLayer->name;
+    if (hierarchy->mRelativeParent) {
+        debug += " Relative:" + hierarchy->mRelativeParent->getDebugStringShort();
+    }
+    if (hierarchy->mParent) {
+        debug += " Parent:" + hierarchy->mParent->getDebugStringShort();
+    }
+    return debug;
+}
+
+LayerHierarchy LayerHierarchyBuilder::getPartialHierarchy(uint32_t layerId,
+                                                          bool childrenOnly) const {
+    auto it = mLayerIdToHierarchy.find(layerId);
+    if (it == mLayerIdToHierarchy.end()) return {nullptr};
+
+    LayerHierarchy hierarchy(*it->second, childrenOnly);
+    return hierarchy;
+}
+
+LayerHierarchy* LayerHierarchyBuilder::getHierarchyFromId(uint32_t layerId, bool crashOnFailure) {
+    auto it = mLayerIdToHierarchy.find(layerId);
+    if (it == mLayerIdToHierarchy.end()) {
+        if (crashOnFailure) {
+            LOG_ALWAYS_FATAL("Could not find hierarchy for layer id %d", layerId);
+        }
+        return nullptr;
+    };
+
+    return it->second;
+}
+
+LayerHierarchy::TraversalPath LayerHierarchy::TraversalPath::ROOT_TRAVERSAL_ID =
+        {.id = UNASSIGNED_LAYER_ID, .variant = LayerHierarchy::Attached};
+
+std::string LayerHierarchy::TraversalPath::toString() const {
+    std::string debugString = "TraversalPath{.id = " + std::to_string(id);
+
+    if (!mirrorRootIds.empty()) {
+        debugString += ", .mirrorRootIds=";
+        for (auto rootId : mirrorRootIds) {
+            debugString += std::to_string(rootId) + ",";
+        }
+    }
+
+    if (!relativeRootIds.empty()) {
+        debugString += ", .relativeRootIds=";
+        for (auto rootId : relativeRootIds) {
+            debugString += std::to_string(rootId) + ",";
+        }
+    }
+
+    if (hasRelZLoop()) {
+        debugString += ", hasRelZLoop=true invalidRelativeRootId=";
+        debugString += std::to_string(invalidRelativeRootId) + ",";
+    }
+
+    debugString += "}";
+    return debugString;
+}
+
+// Helper class to update a passed in TraversalPath when visiting a child. When the object goes out
+// of scope the TraversalPath is reset to its original state.
+LayerHierarchy::ScopedAddToTraversalPath::ScopedAddToTraversalPath(TraversalPath& traversalPath,
+                                                                   uint32_t layerId,
+                                                                   LayerHierarchy::Variant variant)
+      : mTraversalPath(traversalPath),
+        mParentId(traversalPath.id),
+        mParentVariant(traversalPath.variant) {
+    // Update the traversal id with the child layer id and variant. Parent id and variant are
+    // stored to reset the id upon destruction.
+    traversalPath.id = layerId;
+    traversalPath.variant = variant;
+    if (variant == LayerHierarchy::Variant::Mirror) {
+        traversalPath.mirrorRootIds.emplace_back(layerId);
+    }
+    if (variant == LayerHierarchy::Variant::Relative) {
+        if (std::find(traversalPath.relativeRootIds.begin(), traversalPath.relativeRootIds.end(),
+                      layerId) != traversalPath.relativeRootIds.end()) {
+            traversalPath.invalidRelativeRootId = layerId;
+        }
+        traversalPath.relativeRootIds.emplace_back(layerId);
+    }
+}
+LayerHierarchy::ScopedAddToTraversalPath::~ScopedAddToTraversalPath() {
+    // Reset the traversal id to its original parent state using the state that was saved in
+    // the constructor.
+    if (mTraversalPath.variant == LayerHierarchy::Variant::Mirror) {
+        mTraversalPath.mirrorRootIds.pop_back();
+    }
+    if (mTraversalPath.variant == LayerHierarchy::Variant::Relative) {
+        mTraversalPath.relativeRootIds.pop_back();
+    }
+    if (mTraversalPath.invalidRelativeRootId == mTraversalPath.id) {
+        mTraversalPath.invalidRelativeRootId = UNASSIGNED_LAYER_ID;
+    }
+    mTraversalPath.id = mParentId;
+    mTraversalPath.variant = mParentVariant;
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/LayerHierarchy.h b/services/surfaceflinger/FrontEnd/LayerHierarchy.h
new file mode 100644
index 0000000000..f83a859de7
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerHierarchy.h
@@ -0,0 +1,163 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "FrontEnd/LayerCreationArgs.h"
+#include "RequestedLayerState.h"
+#include "ftl/small_vector.h"
+
+namespace android::surfaceflinger::frontend {
+class LayerHierarchyBuilder;
+
+// LayerHierarchy allows us to navigate the layer hierarchy in z-order, or depth first traversal.
+// The hierarchy is created from a set of RequestedLayerStates. The hierarchy itself does not
+// contain additional states. Instead, it is a representation of RequestedLayerStates as a graph.
+//
+// Each node in the hierarchy can be visited by multiple parents (making this a graph). While
+// traversing the hierarchy, a new concept called Variant can be used to understand the
+// relationship of the layer to its parent. The following variants are possible:
+// Attached - child of the parent
+// Detached - child of the parent but currently relative parented to another layer
+// Relative - relative child of the parent
+// Mirror - mirrored from another layer
+//
+// By representing the hierarchy as a graph, we can represent mirrored layer hierarchies without
+// cloning the layer requested state. The mirrored hierarchy and its corresponding
+// RequestedLayerStates are kept in sync because the mirrored hierarchy does not clone any
+// states.
+class LayerHierarchy {
+public:
+    enum Variant {
+        Attached,
+        Detached,
+        Relative,
+        Mirror,
+    };
+    // Represents a unique path to a node.
+    struct TraversalPath {
+        uint32_t id;
+        LayerHierarchy::Variant variant;
+        // Mirrored layers can have a different geometry than their parents so we need to track
+        // the mirror roots in the traversal.
+        ftl::SmallVector<uint32_t, 5> mirrorRootIds;
+        // Relative layers can be visited twice, once by their parent and then once again by
+        // their relative parent. We keep track of the roots here to detect any loops in the
+        // hierarchy. If a relative root already exists in the list while building the
+        // TraversalPath, it means that somewhere in the hierarchy two layers are relatively
+        // parented to each other.
+        ftl::SmallVector<uint32_t, 5> relativeRootIds;
+        // First duplicate relative root id found. If this is a valid layer id that means we are
+        // in a loop.
+        uint32_t invalidRelativeRootId = UNASSIGNED_LAYER_ID;
+        bool hasRelZLoop() const { return invalidRelativeRootId != UNASSIGNED_LAYER_ID; }
+        bool isRelative() { return !relativeRootIds.empty(); }
+
+        bool operator==(const TraversalPath& other) const {
+            return id == other.id && mirrorRootIds == other.mirrorRootIds;
+        }
+        std::string toString() const;
+
+        static TraversalPath ROOT_TRAVERSAL_ID;
+    };
+
+    // Helper class to add nodes to an existing traversal id and removes the
+    // node when it goes out of scope.
+    class ScopedAddToTraversalPath {
+    public:
+        ScopedAddToTraversalPath(TraversalPath& traversalPath, uint32_t layerId,
+                                 LayerHierarchy::Variant variantArg);
+        ~ScopedAddToTraversalPath();
+
+    private:
+        TraversalPath& mTraversalPath;
+        uint32_t mParentId;
+        LayerHierarchy::Variant mParentVariant;
+    };
+    LayerHierarchy(RequestedLayerState* layer);
+
+    // Visitor function that provides the hierarchy node and a traversal id which uniquely
+    // identifies how was visited. The hierarchy contains a pointer to the RequestedLayerState.
+    // Return false to stop traversing down the hierarchy.
+    typedef std::function<bool(const LayerHierarchy& hierarchy,
+                               const LayerHierarchy::TraversalPath& traversalPath)>
+            Visitor;
+
+    // Traverse the hierarchy and visit all child variants.
+    void traverse(const Visitor& visitor) const {
+        traverse(visitor, TraversalPath::ROOT_TRAVERSAL_ID);
+    }
+
+    // Traverse the hierarchy in z-order, skipping children that have relative parents.
+    void traverseInZOrder(const Visitor& visitor) const {
+        traverseInZOrder(visitor, TraversalPath::ROOT_TRAVERSAL_ID);
+    }
+
+    const RequestedLayerState* getLayer() const;
+    std::string getDebugString(const char* prefix = "") const;
+    std::string getDebugStringShort() const;
+    // Traverse the hierarchy and return true if loops are found. The outInvalidRelativeRoot
+    // will contain the first relative root that was visited twice in a traversal.
+    bool hasRelZLoop(uint32_t& outInvalidRelativeRoot) const;
+    std::vector<std::pair<LayerHierarchy*, Variant>> mChildren;
+
+private:
+    friend LayerHierarchyBuilder;
+    LayerHierarchy(const LayerHierarchy& hierarchy, bool childrenOnly);
+    void addChild(LayerHierarchy*, LayerHierarchy::Variant);
+    void removeChild(LayerHierarchy*);
+    void sortChildrenByZOrder();
+    void updateChild(LayerHierarchy*, LayerHierarchy::Variant);
+    void traverseInZOrder(const Visitor& visitor, LayerHierarchy::TraversalPath& parent) const;
+    void traverse(const Visitor& visitor, LayerHierarchy::TraversalPath& parent) const;
+
+    const RequestedLayerState* mLayer;
+    LayerHierarchy* mParent = nullptr;
+    LayerHierarchy* mRelativeParent = nullptr;
+};
+
+// Given a list of RequestedLayerState, this class will build a root hierarchy and an
+// offscreen hierarchy. The builder also has an update method which can update an existing
+// hierarchy from a list of RequestedLayerState and associated change flags.
+class LayerHierarchyBuilder {
+public:
+    LayerHierarchyBuilder(const std::vector<std::unique_ptr<RequestedLayerState>>&);
+    void update(const std::vector<std::unique_ptr<RequestedLayerState>>& layers,
+                const std::vector<std::unique_ptr<RequestedLayerState>>& destroyedLayers);
+    LayerHierarchy getPartialHierarchy(uint32_t, bool childrenOnly) const;
+    const LayerHierarchy& getHierarchy() const;
+    const LayerHierarchy& getOffscreenHierarchy() const;
+    std::string getDebugString(uint32_t layerId, uint32_t depth = 0) const;
+
+private:
+    void onLayerAdded(RequestedLayerState* layer);
+    void attachToParent(LayerHierarchy*);
+    void detachFromParent(LayerHierarchy*);
+    void attachToRelativeParent(LayerHierarchy*);
+    void detachFromRelativeParent(LayerHierarchy*);
+    void attachHierarchyToRelativeParent(LayerHierarchy*);
+    void detachHierarchyFromRelativeParent(LayerHierarchy*);
+
+    void onLayerDestroyed(RequestedLayerState* layer);
+    void updateMirrorLayer(RequestedLayerState* layer);
+    LayerHierarchy* getHierarchyFromId(uint32_t layerId, bool crashOnFailure = true);
+    std::unordered_map<uint32_t, LayerHierarchy*> mLayerIdToHierarchy;
+    std::vector<std::unique_ptr<LayerHierarchy>> mHierarchies;
+    LayerHierarchy mRoot{nullptr};
+    LayerHierarchy mOffscreenRoot{nullptr};
+};
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp
new file mode 100644
index 0000000000..fdf60b3dfc
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp
@@ -0,0 +1,335 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#undef LOG_TAG
+#define LOG_TAG "LayerLifecycleManager"
+
+#include "LayerLifecycleManager.h"
+#include "Layer.h" // temporarily needed for LayerHandle
+#include "LayerHandle.h"
+#include "SwapErase.h"
+
+namespace android::surfaceflinger::frontend {
+
+using namespace ftl::flag_operators;
+
+void LayerLifecycleManager::addLayers(std::vector<std::unique_ptr<RequestedLayerState>> newLayers) {
+    if (newLayers.empty()) {
+        return;
+    }
+
+    mGlobalChanges |= RequestedLayerState::Changes::Hierarchy;
+    for (auto& newLayer : newLayers) {
+        RequestedLayerState& layer = *newLayer.get();
+        auto [it, inserted] = mIdToLayer.try_emplace(layer.id, References{.owner = layer});
+        if (!inserted) {
+            LOG_ALWAYS_FATAL("Duplicate layer id %d found. Existing layer: %s", layer.id,
+                             it->second.owner.getDebugString().c_str());
+        }
+
+        layer.parentId = linkLayer(layer.parentId, layer.id);
+        layer.relativeParentId = linkLayer(layer.relativeParentId, layer.id);
+        layer.mirrorId = linkLayer(layer.mirrorId, layer.id);
+        layer.touchCropId = linkLayer(layer.touchCropId, layer.id);
+
+        mLayers.emplace_back(std::move(newLayer));
+    }
+}
+
+void LayerLifecycleManager::onHandlesDestroyed(const std::vector<uint32_t>& destroyedHandles) {
+    std::vector<uint32_t> layersToBeDestroyed;
+    for (const auto& layerId : destroyedHandles) {
+        auto it = mIdToLayer.find(layerId);
+        if (it == mIdToLayer.end()) {
+            LOG_ALWAYS_FATAL("%s Layerid not found %d", __func__, layerId);
+            continue;
+        }
+        RequestedLayerState& layer = it->second.owner;
+        layer.handleAlive = false;
+        if (!layer.canBeDestroyed()) {
+            continue;
+        }
+        layer.changes |= RequestedLayerState::Changes::Destroyed;
+        layersToBeDestroyed.emplace_back(layerId);
+    }
+
+    if (layersToBeDestroyed.empty()) {
+        return;
+    }
+
+    mGlobalChanges |= RequestedLayerState::Changes::Hierarchy;
+    for (size_t i = 0; i < layersToBeDestroyed.size(); i++) {
+        uint32_t layerId = layersToBeDestroyed[i];
+        auto it = mIdToLayer.find(layerId);
+        if (it == mIdToLayer.end()) {
+            LOG_ALWAYS_FATAL("%s Layer with id %d not found", __func__, layerId);
+            continue;
+        }
+
+        RequestedLayerState& layer = it->second.owner;
+
+        layer.parentId = unlinkLayer(layer.parentId, layer.id);
+        layer.relativeParentId = unlinkLayer(layer.relativeParentId, layer.id);
+        layer.mirrorId = unlinkLayer(layer.mirrorId, layer.id);
+        layer.touchCropId = unlinkLayer(layer.touchCropId, layer.id);
+
+        auto& references = it->second.references;
+        for (uint32_t linkedLayerId : references) {
+            RequestedLayerState* linkedLayer = getLayerFromId(linkedLayerId);
+            if (!linkedLayer) {
+                LOG_ALWAYS_FATAL("%s Layerid reference %d not found for %d", __func__,
+                                 linkedLayerId, layer.id);
+                continue;
+            };
+            if (linkedLayer->parentId == layer.id) {
+                linkedLayer->parentId = UNASSIGNED_LAYER_ID;
+                if (linkedLayer->canBeDestroyed()) {
+                    linkedLayer->changes |= RequestedLayerState::Changes::Destroyed;
+                    layersToBeDestroyed.emplace_back(linkedLayer->id);
+                }
+            }
+            if (linkedLayer->relativeParentId == layer.id) {
+                linkedLayer->relativeParentId = UNASSIGNED_LAYER_ID;
+            }
+            if (linkedLayer->mirrorId == layer.id) {
+                linkedLayer->mirrorId = UNASSIGNED_LAYER_ID;
+            }
+            if (linkedLayer->touchCropId == layer.id) {
+                linkedLayer->touchCropId = UNASSIGNED_LAYER_ID;
+            }
+        }
+        mIdToLayer.erase(it);
+    }
+
+    auto it = mLayers.begin();
+    while (it != mLayers.end()) {
+        RequestedLayerState* layer = it->get();
+        if (layer->changes.test(RequestedLayerState::Changes::Destroyed)) {
+            ALOGV("%s destroyed layer %s", __func__, layer->getDebugStringShort().c_str());
+            std::iter_swap(it, mLayers.end() - 1);
+            mDestroyedLayers.emplace_back(std::move(mLayers.back()));
+            if (it == mLayers.end() - 1) {
+                it = mLayers.erase(mLayers.end() - 1);
+            } else {
+                mLayers.erase(mLayers.end() - 1);
+            }
+        } else {
+            it++;
+        }
+    }
+}
+
+void LayerLifecycleManager::applyTransactions(const std::vector<TransactionState>& transactions) {
+    for (const auto& transaction : transactions) {
+        for (const auto& resolvedComposerState : transaction.states) {
+            const auto& clientState = resolvedComposerState.state;
+            uint32_t layerId = LayerHandle::getLayerId(clientState.surface);
+            if (layerId == UNASSIGNED_LAYER_ID) {
+                ALOGW("%s Handle %p is not valid", __func__, clientState.surface.get());
+                continue;
+            }
+
+            RequestedLayerState* layer = getLayerFromId(layerId);
+            if (layer == nullptr) {
+                LOG_ALWAYS_FATAL("%s Layer with handle %p (layerid=%d) not found", __func__,
+                                 clientState.surface.get(), layerId);
+                continue;
+            }
+
+            if (!layer->handleAlive) {
+                LOG_ALWAYS_FATAL("%s Layer's handle %p (layerid=%d) is not alive. Possible out of "
+                                 "order LayerLifecycleManager updates",
+                                 __func__, clientState.surface.get(), layerId);
+                continue;
+            }
+
+            uint32_t oldParentId = layer->parentId;
+            uint32_t oldRelativeParentId = layer->relativeParentId;
+            uint32_t oldTouchCropId = layer->touchCropId;
+            layer->merge(resolvedComposerState);
+
+            if (layer->what & layer_state_t::eBackgroundColorChanged) {
+                if (layer->bgColorLayerId == UNASSIGNED_LAYER_ID && layer->bgColorAlpha != 0) {
+                    LayerCreationArgs backgroundLayerArgs{nullptr,
+                                                          nullptr,
+                                                          layer->name + "BackgroundColorLayer",
+                                                          ISurfaceComposerClient::eFXSurfaceEffect,
+                                                          {}};
+                    std::vector<std::unique_ptr<RequestedLayerState>> newLayers;
+                    newLayers.emplace_back(
+                            std::make_unique<RequestedLayerState>(backgroundLayerArgs));
+                    RequestedLayerState* backgroundLayer = newLayers.back().get();
+                    backgroundLayer->handleAlive = false;
+                    backgroundLayer->parentId = layer->id;
+                    backgroundLayer->z = std::numeric_limits<int32_t>::min();
+                    backgroundLayer->color.rgb = layer->color.rgb;
+                    backgroundLayer->color.a = layer->bgColorAlpha;
+                    backgroundLayer->dataspace = layer->bgColorDataspace;
+
+                    layer->bgColorLayerId = backgroundLayer->id;
+                    addLayers({std::move(newLayers)});
+                } else if (layer->bgColorLayerId != UNASSIGNED_LAYER_ID &&
+                           layer->bgColorAlpha == 0) {
+                    RequestedLayerState* bgColorLayer = getLayerFromId(layer->bgColorLayerId);
+                    bgColorLayer->parentId = UNASSIGNED_LAYER_ID;
+                    onHandlesDestroyed({layer->bgColorLayerId});
+                } else if (layer->bgColorLayerId != UNASSIGNED_LAYER_ID) {
+                    RequestedLayerState* bgColorLayer = getLayerFromId(layer->bgColorLayerId);
+                    bgColorLayer->color.rgb = layer->color.rgb;
+                    bgColorLayer->color.a = layer->bgColorAlpha;
+                    bgColorLayer->dataspace = layer->bgColorDataspace;
+                    mGlobalChanges |= RequestedLayerState::Changes::Content;
+                }
+            }
+
+            if (oldParentId != layer->parentId) {
+                unlinkLayer(oldParentId, layer->id);
+                layer->parentId = linkLayer(layer->parentId, layer->id);
+            }
+            if (oldRelativeParentId != layer->relativeParentId) {
+                unlinkLayer(oldRelativeParentId, layer->id);
+                layer->relativeParentId = linkLayer(layer->relativeParentId, layer->id);
+            }
+            if (oldTouchCropId != layer->touchCropId) {
+                unlinkLayer(oldTouchCropId, layer->id);
+                layer->touchCropId = linkLayer(layer->touchCropId, layer->id);
+            }
+
+            mGlobalChanges |= layer->changes &
+                    (RequestedLayerState::Changes::Hierarchy |
+                     RequestedLayerState::Changes::Geometry |
+                     RequestedLayerState::Changes::Content);
+        }
+    }
+}
+
+void LayerLifecycleManager::commitChanges() {
+    for (auto& layer : mLayers) {
+        if (layer->changes.test(RequestedLayerState::Changes::Created)) {
+            for (auto listener : mListeners) {
+                listener->onLayerAdded(*layer);
+            }
+        }
+        layer->what = 0;
+        layer->changes.clear();
+    }
+
+    for (auto& destroyedLayer : mDestroyedLayers) {
+        if (destroyedLayer->changes.test(RequestedLayerState::Changes::Created)) {
+            for (auto listener : mListeners) {
+                listener->onLayerAdded(*destroyedLayer);
+            }
+        }
+
+        for (auto listener : mListeners) {
+            listener->onLayerDestroyed(*destroyedLayer);
+        }
+    }
+    mDestroyedLayers.clear();
+    mGlobalChanges.clear();
+}
+
+void LayerLifecycleManager::addLifecycleListener(std::shared_ptr<ILifecycleListener> listener) {
+    mListeners.emplace_back(std::move(listener));
+}
+
+void LayerLifecycleManager::removeLifecycleListener(std::shared_ptr<ILifecycleListener> listener) {
+    swapErase(mListeners, listener);
+}
+
+const std::vector<std::unique_ptr<RequestedLayerState>>& LayerLifecycleManager::getLayers() const {
+    return mLayers;
+}
+
+const std::vector<std::unique_ptr<RequestedLayerState>>& LayerLifecycleManager::getDestroyedLayers()
+        const {
+    return mDestroyedLayers;
+}
+
+const ftl::Flags<RequestedLayerState::Changes> LayerLifecycleManager::getGlobalChanges() const {
+    return mGlobalChanges;
+}
+
+RequestedLayerState* LayerLifecycleManager::getLayerFromId(uint32_t id) {
+    if (id == UNASSIGNED_LAYER_ID) {
+        return nullptr;
+    }
+    auto it = mIdToLayer.find(id);
+    if (it == mIdToLayer.end()) {
+        return nullptr;
+    }
+    return &it->second.owner;
+}
+
+std::vector<uint32_t>* LayerLifecycleManager::getLinkedLayersFromId(uint32_t id) {
+    if (id == UNASSIGNED_LAYER_ID) {
+        return nullptr;
+    }
+    auto it = mIdToLayer.find(id);
+    if (it == mIdToLayer.end()) {
+        return nullptr;
+    }
+    return &it->second.references;
+}
+
+uint32_t LayerLifecycleManager::linkLayer(uint32_t layerId, uint32_t layerToLink) {
+    if (layerId == UNASSIGNED_LAYER_ID) {
+        return UNASSIGNED_LAYER_ID;
+    }
+
+    std::vector<uint32_t>* linkedLayers = getLinkedLayersFromId(layerId);
+    if (!linkedLayers) {
+        ALOGV("Could not find layer id %d to link %d. Parent is probably destroyed", layerId,
+              layerToLink);
+        return UNASSIGNED_LAYER_ID;
+    }
+    linkedLayers->emplace_back(layerToLink);
+    return layerId;
+}
+
+uint32_t LayerLifecycleManager::unlinkLayer(uint32_t layerId, uint32_t linkedLayer) {
+    std::vector<uint32_t>* linkedLayers = getLinkedLayersFromId(layerId);
+    if (!linkedLayers) {
+        return UNASSIGNED_LAYER_ID;
+    }
+    swapErase(*linkedLayers, linkedLayer);
+    return UNASSIGNED_LAYER_ID;
+}
+
+std::string LayerLifecycleManager::References::getDebugString() const {
+    std::string debugInfo = owner.name + "[" + std::to_string(owner.id) + "] refs:";
+    std::for_each(references.begin(), references.end(),
+                  [&debugInfo = debugInfo](const uint32_t& reference) mutable {
+                      debugInfo += std::to_string(reference) + ",";
+                  });
+    return debugInfo;
+}
+
+void LayerLifecycleManager::fixRelativeZLoop(uint32_t relativeRootId) {
+    auto it = mIdToLayer.find(relativeRootId);
+    if (it == mIdToLayer.end()) {
+        return;
+    }
+    RequestedLayerState& layer = it->second.owner;
+    layer.relativeParentId = unlinkLayer(layer.relativeParentId, layer.id);
+    layer.changes |=
+            RequestedLayerState::Changes::Hierarchy | RequestedLayerState::Changes::RelativeParent;
+    mGlobalChanges |= RequestedLayerState::Changes::Hierarchy;
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h
new file mode 100644
index 0000000000..63a7afca4e
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "RequestedLayerState.h"
+#include "TransactionState.h"
+
+namespace android::surfaceflinger::frontend {
+
+// Owns a collection of RequestedLayerStates and manages their lifecycle
+// and state changes.
+//
+// RequestedLayerStates are tracked and destroyed if they have no parent and
+// no handle left to keep them alive. The handle does not keep a reference to
+// the RequestedLayerState but a layer id associated with the RequestedLayerState.
+// If the handle is destroyed and the RequestedLayerState does not have a parent,
+// the LayerLifecycleManager destroys the RequestedLayerState.
+//
+// Threading: This class is not thread safe, it requires external synchronization.
+//
+// Typical usage: Input states (new layers, transactions, destroyed layer handles)
+// are collected in the background passed into the LayerLifecycleManager to update
+// layer lifecycle and layer state at start of composition.
+class LayerLifecycleManager {
+public:
+    // External state changes should be updated in the following order:
+    void addLayers(std::vector<std::unique_ptr<RequestedLayerState>>);
+    void applyTransactions(const std::vector<TransactionState>&);
+    void onHandlesDestroyed(const std::vector<uint32_t>&);
+
+    // Detaches the layer from its relative parent to prevent a loop in the
+    // layer hierarchy. This overrides the RequestedLayerState and leaves
+    // the system in an invalid state. This is always a client error that
+    // needs to be fixed but overriding the state allows us to fail gracefully.
+    void fixRelativeZLoop(uint32_t relativeRootId);
+
+    // Destroys RequestedLayerStates that are marked to be destroyed. Invokes all
+    // ILifecycleListener callbacks and clears any change flags from previous state
+    // updates. This function should be called outside the hot path since it's not
+    // critical to composition.
+    void commitChanges();
+
+    class ILifecycleListener {
+    public:
+        virtual ~ILifecycleListener() = default;
+        // Called on commitChanges when a layer is added. The callback includes
+        // the layer state the client was created with as well as any state updates
+        // until changes were committed.
+        virtual void onLayerAdded(const RequestedLayerState&) = 0;
+        // Called on commitChanges when a layer has been destroyed. The callback
+        // includes the final state before the layer was destroyed.
+        virtual void onLayerDestroyed(const RequestedLayerState&) = 0;
+    };
+    void addLifecycleListener(std::shared_ptr<ILifecycleListener>);
+    void removeLifecycleListener(std::shared_ptr<ILifecycleListener>);
+    const std::vector<std::unique_ptr<RequestedLayerState>>& getLayers() const;
+    const std::vector<std::unique_ptr<RequestedLayerState>>& getDestroyedLayers() const;
+    const ftl::Flags<RequestedLayerState::Changes> getGlobalChanges() const;
+
+private:
+    friend class LayerLifecycleManagerTest;
+    friend class HierarchyBuilderTest;
+    friend class android::SurfaceFlinger;
+
+    RequestedLayerState* getLayerFromId(uint32_t);
+    std::vector<uint32_t>* getLinkedLayersFromId(uint32_t);
+    uint32_t linkLayer(uint32_t layerId, uint32_t layerToLink);
+    uint32_t unlinkLayer(uint32_t layerId, uint32_t linkedLayer);
+
+    struct References {
+        // Lifetime tied to mLayers
+        RequestedLayerState& owner;
+        std::vector<uint32_t> references;
+        std::string getDebugString() const;
+    };
+    std::unordered_map<uint32_t, References> mIdToLayer;
+    // Listeners are invoked once changes are committed.
+    std::vector<std::shared_ptr<ILifecycleListener>> mListeners;
+
+    // Aggregation of changes since last commit.
+    ftl::Flags<RequestedLayerState::Changes> mGlobalChanges;
+    std::vector<std::unique_ptr<RequestedLayerState>> mLayers;
+    // Layers pending destruction. Layers will be destroyed once changes are committed.
+    std::vector<std::unique_ptr<RequestedLayerState>> mDestroyedLayers;
+};
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
new file mode 100644
index 0000000000..054382cd06
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
@@ -0,0 +1,370 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FrontEnd/LayerCreationArgs.h"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+#undef LOG_TAG
+#define LOG_TAG "RequestedLayerState"
+
+#include <private/android_filesystem_config.h>
+#include <sys/types.h>
+
+#include "Layer.h"
+#include "LayerHandle.h"
+#include "RequestedLayerState.h"
+
+namespace android::surfaceflinger::frontend {
+using ftl::Flags;
+using namespace ftl::flag_operators;
+
+namespace {
+uint32_t getLayerIdFromSurfaceControl(sp<SurfaceControl> surfaceControl) {
+    if (!surfaceControl) {
+        return UNASSIGNED_LAYER_ID;
+    }
+
+    return LayerHandle::getLayerId(surfaceControl->getHandle());
+}
+
+std::string layerIdToString(uint32_t layerId) {
+    return layerId == UNASSIGNED_LAYER_ID ? "none" : std::to_string(layerId);
+}
+
+} // namespace
+
+RequestedLayerState::RequestedLayerState(const LayerCreationArgs& args)
+      : id(args.sequence),
+        name(args.name),
+        canBeRoot(args.addToRoot),
+        layerCreationFlags(args.flags),
+        textureName(args.textureName),
+        ownerUid(args.ownerUid),
+        ownerPid(args.ownerPid) {
+    layerId = static_cast<int32_t>(args.sequence);
+    changes |= RequestedLayerState::Changes::Created;
+    metadata.merge(args.metadata);
+    changes |= RequestedLayerState::Changes::Metadata;
+    handleAlive = true;
+    parentId = LayerHandle::getLayerId(args.parentHandle.promote());
+    mirrorId = LayerHandle::getLayerId(args.mirrorLayerHandle.promote());
+    if (mirrorId != UNASSIGNED_LAYER_ID) {
+        changes |= RequestedLayerState::Changes::Mirror;
+    }
+
+    flags = 0;
+    if (args.flags & ISurfaceComposerClient::eHidden) flags |= layer_state_t::eLayerHidden;
+    if (args.flags & ISurfaceComposerClient::eOpaque) flags |= layer_state_t::eLayerOpaque;
+    if (args.flags & ISurfaceComposerClient::eSecure) flags |= layer_state_t::eLayerSecure;
+    if (args.flags & ISurfaceComposerClient::eSkipScreenshot) {
+        flags |= layer_state_t::eLayerSkipScreenshot;
+    }
+    premultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
+    potentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
+    protectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
+    if (args.flags & ISurfaceComposerClient::eNoColorFill) {
+        // Set an invalid color so there is no color fill.
+        // (b/259981098) use an explicit flag instead of relying on invalid values.
+        color.r = -1.0_hf;
+        color.g = -1.0_hf;
+        color.b = -1.0_hf;
+    } else {
+        color.rgb = {0.0_hf, 0.0_hf, 0.0_hf};
+    }
+    color.a = 1.0f;
+
+    crop.makeInvalid();
+    z = 0;
+    layerStack = ui::DEFAULT_LAYER_STACK;
+    transformToDisplayInverse = false;
+    dataspace = ui::Dataspace::UNKNOWN;
+    dataspaceRequested = false;
+    hdrMetadata.validTypes = 0;
+    surfaceDamageRegion = Region::INVALID_REGION;
+    cornerRadius = 0.0f;
+    backgroundBlurRadius = 0;
+    api = -1;
+    hasColorTransform = false;
+    bufferTransform = 0;
+    requestedTransform.reset();
+    bufferData = std::make_shared<BufferData>();
+    bufferData->frameNumber = 0;
+    bufferData->acquireFence = sp<Fence>::make(-1);
+    acquireFenceTime = std::make_shared<FenceTime>(bufferData->acquireFence);
+    colorSpaceAgnostic = false;
+    frameRateSelectionPriority = Layer::PRIORITY_UNSET;
+    shadowRadius = 0.f;
+    fixedTransformHint = ui::Transform::ROT_INVALID;
+    destinationFrame.makeInvalid();
+    isTrustedOverlay = false;
+    dropInputMode = gui::DropInputMode::NONE;
+    dimmingEnabled = true;
+    defaultFrameRateCompatibility =
+            static_cast<int8_t>(scheduler::LayerInfo::FrameRateCompatibility::Default);
+    dataspace = ui::Dataspace::V0_SRGB;
+}
+
+void RequestedLayerState::merge(const ResolvedComposerState& resolvedComposerState) {
+    bool oldFlags = flags;
+    Rect oldBufferSize = getBufferSize();
+    const layer_state_t& clientState = resolvedComposerState.state;
+
+    uint64_t clientChanges = what | layer_state_t::diff(clientState);
+    layer_state_t::merge(clientState);
+    what = clientChanges;
+
+    if (clientState.what & layer_state_t::eFlagsChanged) {
+        if ((oldFlags ^ flags) & layer_state_t::eLayerHidden) {
+            changes |= RequestedLayerState::Changes::Visibility;
+        }
+        if ((oldFlags ^ flags) & layer_state_t::eIgnoreDestinationFrame) {
+            changes |= RequestedLayerState::Changes::Geometry;
+        }
+    }
+    if (clientState.what & layer_state_t::eBufferChanged && oldBufferSize != getBufferSize()) {
+        changes |= RequestedLayerState::Changes::Geometry;
+    }
+    if (clientChanges & layer_state_t::HIERARCHY_CHANGES)
+        changes |= RequestedLayerState::Changes::Hierarchy;
+    if (clientChanges & layer_state_t::CONTENT_CHANGES)
+        changes |= RequestedLayerState::Changes::Content;
+    if (clientChanges & layer_state_t::GEOMETRY_CHANGES)
+        changes |= RequestedLayerState::Changes::Geometry;
+
+    if (clientState.what & layer_state_t::eColorTransformChanged) {
+        static const mat4 identityMatrix = mat4();
+        hasColorTransform = colorTransform != identityMatrix;
+    }
+    if (clientState.what & (layer_state_t::eLayerChanged | layer_state_t::eRelativeLayerChanged)) {
+        changes |= RequestedLayerState::Changes::Z;
+    }
+    if (clientState.what & layer_state_t::eReparent) {
+        changes |= RequestedLayerState::Changes::Parent;
+        parentId = getLayerIdFromSurfaceControl(clientState.parentSurfaceControlForChild);
+        parentSurfaceControlForChild = nullptr;
+        // Once a layer has be reparented, it cannot be placed at the root. It sounds odd
+        // but thats the existing logic and until we make this behavior more explicit, we need
+        // to maintain this logic.
+        canBeRoot = false;
+    }
+    if (clientState.what & layer_state_t::eRelativeLayerChanged) {
+        changes |= RequestedLayerState::Changes::RelativeParent;
+        relativeParentId = getLayerIdFromSurfaceControl(clientState.relativeLayerSurfaceControl);
+        isRelativeOf = true;
+        relativeLayerSurfaceControl = nullptr;
+    }
+    if ((clientState.what & layer_state_t::eLayerChanged ||
+         (clientState.what & layer_state_t::eReparent && parentId == UNASSIGNED_LAYER_ID)) &&
+        isRelativeOf) {
+        // clear out relz data
+        relativeParentId = UNASSIGNED_LAYER_ID;
+        isRelativeOf = false;
+        changes |= RequestedLayerState::Changes::RelativeParent;
+    }
+    if (clientState.what & layer_state_t::eReparent && parentId == relativeParentId) {
+        // provide a hint that we are are now a direct child and not a relative child.
+        changes |= RequestedLayerState::Changes::RelativeParent;
+    }
+    if (clientState.what & layer_state_t::eInputInfoChanged) {
+        wp<IBinder>& touchableRegionCropHandle =
+                windowInfoHandle->editInfo()->touchableRegionCropHandle;
+        touchCropId = LayerHandle::getLayerId(touchableRegionCropHandle.promote());
+        changes |= RequestedLayerState::Changes::Input;
+        touchableRegionCropHandle.clear();
+    }
+    if (clientState.what & layer_state_t::eStretchChanged) {
+        stretchEffect.sanitize();
+    }
+
+    if (clientState.what & layer_state_t::eHasListenerCallbacksChanged) {
+        // TODO(b/238781169) handle callbacks
+    }
+
+    if (clientState.what & layer_state_t::eBufferChanged) {
+        externalTexture = resolvedComposerState.externalTexture;
+    }
+
+    if (clientState.what & layer_state_t::ePositionChanged) {
+        requestedTransform.set(x, y);
+    }
+
+    if (clientState.what & layer_state_t::eMatrixChanged) {
+        requestedTransform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
+    }
+}
+
+ui::Transform RequestedLayerState::getTransform() const {
+    if ((flags & layer_state_t::eIgnoreDestinationFrame) || destinationFrame.isEmpty()) {
+        // If destination frame is not set, use the requested transform set via
+        // Transaction::setPosition and Transaction::setMatrix.
+        return requestedTransform;
+    }
+
+    Rect destRect = destinationFrame;
+    int32_t destW = destRect.width();
+    int32_t destH = destRect.height();
+    if (destRect.left < 0) {
+        destRect.left = 0;
+        destRect.right = destW;
+    }
+    if (destRect.top < 0) {
+        destRect.top = 0;
+        destRect.bottom = destH;
+    }
+
+    if (!externalTexture) {
+        ui::Transform transform;
+        transform.set(static_cast<float>(destRect.left), static_cast<float>(destRect.top));
+        return transform;
+    }
+
+    uint32_t bufferWidth = externalTexture->getWidth();
+    uint32_t bufferHeight = externalTexture->getHeight();
+    // Undo any transformations on the buffer.
+    if (bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+    // TODO(b/238781169) remove dep
+    uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+    if (transformToDisplayInverse) {
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    float sx = static_cast<float>(destW) / static_cast<float>(bufferWidth);
+    float sy = static_cast<float>(destH) / static_cast<float>(bufferHeight);
+    ui::Transform transform;
+    transform.set(sx, 0, 0, sy);
+    transform.set(static_cast<float>(destRect.left), static_cast<float>(destRect.top));
+    return transform;
+}
+
+std::string RequestedLayerState::getDebugString() const {
+    return "[" + std::to_string(id) + "]" + name + ",parent=" + layerIdToString(parentId) +
+            ",relativeParent=" + layerIdToString(relativeParentId) +
+            ",isRelativeOf=" + std::to_string(isRelativeOf) +
+            ",mirrorId=" + layerIdToString(mirrorId) +
+            ",handleAlive=" + std::to_string(handleAlive) + ",z=" + std::to_string(z);
+}
+
+std::string RequestedLayerState::getDebugStringShort() const {
+    return "[" + std::to_string(id) + "]" + name;
+}
+
+bool RequestedLayerState::canBeDestroyed() const {
+    return !handleAlive && parentId == UNASSIGNED_LAYER_ID;
+}
+bool RequestedLayerState::isRoot() const {
+    return canBeRoot && parentId == UNASSIGNED_LAYER_ID;
+}
+bool RequestedLayerState::isHiddenByPolicy() const {
+    return (flags & layer_state_t::eLayerHidden) == layer_state_t::eLayerHidden;
+};
+half4 RequestedLayerState::getColor() const {
+    if ((sidebandStream != nullptr) || (externalTexture != nullptr)) {
+        return {0._hf, 0._hf, 0._hf, color.a};
+    }
+    return color;
+}
+Rect RequestedLayerState::getBufferSize() const {
+    // for buffer state layers we use the display frame size as the buffer size.
+    if (!externalTexture) {
+        return Rect::INVALID_RECT;
+    }
+
+    uint32_t bufWidth = externalTexture->getWidth();
+    uint32_t bufHeight = externalTexture->getHeight();
+
+    // Undo any transformations on the buffer and return the result.
+    if (bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufWidth, bufHeight);
+    }
+
+    if (transformToDisplayInverse) {
+        // TODO(b/238781169) pass in display metrics (would be useful for input info as well
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufWidth, bufHeight);
+        }
+    }
+
+    return Rect(0, 0, static_cast<int32_t>(bufWidth), static_cast<int32_t>(bufHeight));
+}
+
+Rect RequestedLayerState::getCroppedBufferSize() const {
+    Rect size = getBufferSize();
+    if (!crop.isEmpty() && size.isValid()) {
+        size.intersect(crop, &size);
+    } else if (!crop.isEmpty()) {
+        size = crop;
+    }
+    return size;
+}
+
+Rect RequestedLayerState::getBufferCrop() const {
+    // this is the crop rectangle that applies to the buffer
+    // itself (as opposed to the window)
+    if (!bufferCrop.isEmpty()) {
+        // if the buffer crop is defined, we use that
+        return bufferCrop;
+    } else if (externalTexture != nullptr) {
+        // otherwise we use the whole buffer
+        return externalTexture->getBounds();
+    } else {
+        // if we don't have a buffer yet, we use an empty/invalid crop
+        return Rect();
+    }
+}
+
+aidl::android::hardware::graphics::composer3::Composition RequestedLayerState::getCompositionType()
+        const {
+    using aidl::android::hardware::graphics::composer3::Composition;
+    // TODO(b/238781169) check about sidestream ready flag
+    if (sidebandStream.get()) {
+        return Composition::SIDEBAND;
+    }
+    if (!externalTexture) {
+        return Composition::SOLID_COLOR;
+    }
+    if (flags & layer_state_t::eLayerIsDisplayDecoration) {
+        return Composition::DISPLAY_DECORATION;
+    }
+    if (potentialCursor) {
+        return Composition::CURSOR;
+    }
+    return Composition::DEVICE;
+}
+
+Rect RequestedLayerState::reduce(const Rect& win, const Region& exclude) {
+    if (CC_LIKELY(exclude.isEmpty())) {
+        return win;
+    }
+    if (exclude.isRect()) {
+        return win.reduce(exclude.getBounds());
+    }
+    return Region(win).subtract(exclude).getBounds();
+}
+
+// Returns true if the layer has a relative parent that is not its own parent. This is an input
+// error from the client, and this check allows us to handle it gracefully. If both parentId and
+// relativeParentId is unassigned then the layer does not have a valid relative parent.
+// If the relative parentid is unassigned, the layer will be considered relative but won't be
+// reachable.
+bool RequestedLayerState::hasValidRelativeParent() const {
+    return isRelativeOf && parentId != relativeParentId;
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.h b/services/surfaceflinger/FrontEnd/RequestedLayerState.h
new file mode 100644
index 0000000000..78491655be
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/graphics/composer3/Composition.h>
+#include <ftl/flags.h>
+#include <gui/LayerState.h>
+#include <renderengine/ExternalTexture.h>
+
+#include "LayerCreationArgs.h"
+#include "TransactionState.h"
+
+namespace android::surfaceflinger::frontend {
+
+// Stores client requested states for a layer.
+// This struct does not store any other states or states pertaining to
+// other layers. Links to other layers that are part of the client
+// requested state such as parent are translated to layer id so
+// we can avoid extending the lifetime of layer handles.
+struct RequestedLayerState : layer_state_t {
+    // Changes in state after merging with new state. This includes additional state
+    // changes found in layer_state_t::what.
+    enum class Changes : uint32_t {
+        Created = 1u << 0,
+        Destroyed = 1u << 1,
+        Hierarchy = 1u << 2,
+        Geometry = 1u << 3,
+        Content = 1u << 4,
+        Input = 1u << 5,
+        Z = 1u << 6,
+        Mirror = 1u << 7,
+        Parent = 1u << 8,
+        RelativeParent = 1u << 9,
+        Metadata = 1u << 10,
+        Visibility = 1u << 11,
+    };
+    static Rect reduce(const Rect& win, const Region& exclude);
+    RequestedLayerState(const LayerCreationArgs&);
+    void merge(const ResolvedComposerState&);
+    ui::Transform getTransform() const;
+    bool canBeDestroyed() const;
+    bool isRoot() const;
+    bool isHiddenByPolicy() const;
+    half4 getColor() const;
+    Rect getBufferSize() const;
+    Rect getCroppedBufferSize() const;
+    Rect getBufferCrop() const;
+    std::string getDebugString() const;
+    std::string getDebugStringShort() const;
+    aidl::android::hardware::graphics::composer3::Composition getCompositionType() const;
+    bool hasValidRelativeParent() const;
+
+    // Layer serial number.  This gives layers an explicit ordering, so we
+    // have a stable sort order when their layer stack and Z-order are
+    // the same.
+    const uint32_t id;
+    const std::string name;
+    bool canBeRoot = false;
+    const uint32_t layerCreationFlags;
+    const uint32_t textureName;
+    // The owner of the layer. If created from a non system process, it will be the calling uid.
+    // If created from a system process, the value can be passed in.
+    const uid_t ownerUid;
+    // The owner pid of the layer. If created from a non system process, it will be the calling pid.
+    // If created from a system process, the value can be passed in.
+    const pid_t ownerPid;
+    bool dataspaceRequested;
+    bool hasColorTransform;
+    bool premultipliedAlpha{true};
+    // This layer can be a cursor on some displays.
+    bool potentialCursor{false};
+    bool protectedByApp{false}; // application requires protected path to external sink
+    ui::Transform requestedTransform;
+    std::shared_ptr<FenceTime> acquireFenceTime;
+    std::shared_ptr<renderengine::ExternalTexture> externalTexture;
+
+    // book keeping states
+    bool handleAlive = true;
+    bool isRelativeOf = false;
+    uint32_t parentId = UNASSIGNED_LAYER_ID;
+    uint32_t relativeParentId = UNASSIGNED_LAYER_ID;
+    uint32_t mirrorId = UNASSIGNED_LAYER_ID;
+    uint32_t touchCropId = UNASSIGNED_LAYER_ID;
+    uint32_t bgColorLayerId = UNASSIGNED_LAYER_ID;
+    ftl::Flags<RequestedLayerState::Changes> changes;
+};
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/SwapErase.h b/services/surfaceflinger/FrontEnd/SwapErase.h
new file mode 100644
index 0000000000..f672f998d9
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/SwapErase.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+
+namespace android::surfaceflinger::frontend {
+// Erases the first element in vec that matches value. This is a more optimal way to
+// remove an element from a vector that avoids relocating all the elements after the one
+// that is erased.
+template <typename T>
+void swapErase(std::vector<T>& vec, const T& value) {
+    auto it = std::find(vec.begin(), vec.end(), value);
+    if (it != vec.end()) {
+        std::iter_swap(it, vec.end() - 1);
+        vec.erase(vec.end() - 1);
+    }
+}
+
+// Similar to swapErase(std::vector<T>& vec, const T& value) but erases the first element
+// that returns true for predicate.
+template <typename T, class P>
+void swapErase(std::vector<T>& vec, P predicate) {
+    auto it = std::find_if(vec.begin(), vec.end(), predicate);
+    if (it != vec.end()) {
+        std::iter_swap(it, vec.end() - 1);
+        vec.erase(vec.end() - 1);
+    }
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/TransactionHandler.cpp b/services/surfaceflinger/FrontEnd/TransactionHandler.cpp
new file mode 100644
index 0000000000..c2109b3aa5
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/TransactionHandler.cpp
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+#undef LOG_TAG
+#define LOG_TAG "TransactionHandler"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <cutils/trace.h>
+#include <utils/Log.h>
+
+#include "TransactionHandler.h"
+
+namespace android::surfaceflinger::frontend {
+
+void TransactionHandler::queueTransaction(TransactionState&& state) {
+    mLocklessTransactionQueue.push(std::move(state));
+    mPendingTransactionCount.fetch_add(1);
+    ATRACE_INT("TransactionQueue", static_cast<int>(mPendingTransactionCount.load()));
+}
+
+std::vector<TransactionState> TransactionHandler::flushTransactions() {
+    while (!mLocklessTransactionQueue.isEmpty()) {
+        auto maybeTransaction = mLocklessTransactionQueue.pop();
+        if (!maybeTransaction.has_value()) {
+            break;
+        }
+        auto transaction = maybeTransaction.value();
+        mPendingTransactionQueues[transaction.applyToken].emplace(std::move(transaction));
+    }
+
+    // Collect transaction that are ready to be applied.
+    std::vector<TransactionState> transactions;
+    TransactionFlushState flushState;
+    flushState.queueProcessTime = systemTime();
+    // Transactions with a buffer pending on a barrier may be on a different applyToken
+    // than the transaction which satisfies our barrier. In fact this is the exact use case
+    // that the primitive is designed for. This means we may first process
+    // the barrier dependent transaction, determine it ineligible to complete
+    // and then satisfy in a later inner iteration of flushPendingTransactionQueues.
+    // The barrier dependent transaction was eligible to be presented in this frame
+    // but we would have prevented it without case. To fix this we continually
+    // loop through flushPendingTransactionQueues until we perform an iteration
+    // where the number of transactionsPendingBarrier doesn't change. This way
+    // we can continue to resolve dependency chains of barriers as far as possible.
+    int lastTransactionsPendingBarrier = 0;
+    int transactionsPendingBarrier = 0;
+    do {
+        lastTransactionsPendingBarrier = transactionsPendingBarrier;
+        // Collect transactions that are ready to be applied.
+        transactionsPendingBarrier = flushPendingTransactionQueues(transactions, flushState);
+    } while (lastTransactionsPendingBarrier != transactionsPendingBarrier);
+
+    mPendingTransactionCount.fetch_sub(transactions.size());
+    ATRACE_INT("TransactionQueue", static_cast<int>(mPendingTransactionCount.load()));
+    return transactions;
+}
+
+TransactionHandler::TransactionReadiness TransactionHandler::applyFilters(
+        TransactionFlushState& flushState) {
+    auto ready = TransactionReadiness::Ready;
+    for (auto& filter : mTransactionReadyFilters) {
+        auto perFilterReady = filter(flushState);
+        switch (perFilterReady) {
+            case TransactionReadiness::NotReady:
+            case TransactionReadiness::NotReadyBarrier:
+                return perFilterReady;
+
+            case TransactionReadiness::ReadyUnsignaled:
+            case TransactionReadiness::ReadyUnsignaledSingle:
+                // If one of the filters allows latching an unsignaled buffer, latch this ready
+                // state.
+                ready = perFilterReady;
+                break;
+            case TransactionReadiness::Ready:
+                continue;
+        }
+    }
+    return ready;
+}
+
+int TransactionHandler::flushPendingTransactionQueues(std::vector<TransactionState>& transactions,
+                                                      TransactionFlushState& flushState) {
+    int transactionsPendingBarrier = 0;
+    auto it = mPendingTransactionQueues.begin();
+    while (it != mPendingTransactionQueues.end()) {
+        auto& queue = it->second;
+        IBinder* queueToken = it->first.get();
+
+        // if we have already flushed a transaction with an unsignaled buffer then stop queue
+        // processing
+        if (std::find(flushState.queuesWithUnsignaledBuffers.begin(),
+                      flushState.queuesWithUnsignaledBuffers.end(),
+                      queueToken) != flushState.queuesWithUnsignaledBuffers.end()) {
+            continue;
+        }
+
+        while (!queue.empty()) {
+            auto& transaction = queue.front();
+            flushState.transaction = &transaction;
+            auto ready = applyFilters(flushState);
+            if (ready == TransactionReadiness::NotReadyBarrier) {
+                transactionsPendingBarrier++;
+                break;
+            } else if (ready == TransactionReadiness::NotReady) {
+                break;
+            }
+
+            // Transaction is ready move it from the pending queue.
+            flushState.firstTransaction = false;
+            removeFromStalledTransactions(transaction.id);
+            transactions.emplace_back(std::move(transaction));
+            queue.pop();
+
+            // If the buffer is unsignaled, then we don't want to signal other transactions using
+            // the buffer as a barrier.
+            auto& readyToApplyTransaction = transactions.back();
+            if (ready == TransactionReadiness::Ready) {
+                readyToApplyTransaction.traverseStatesWithBuffers([&](const layer_state_t& state) {
+                    const bool frameNumberChanged = state.bufferData->flags.test(
+                            BufferData::BufferDataChange::frameNumberChanged);
+                    if (frameNumberChanged) {
+                        flushState.bufferLayersReadyToPresent
+                                .emplace_or_replace(state.surface.get(),
+                                                    state.bufferData->frameNumber);
+                    } else {
+                        // Barrier function only used for BBQ which always includes a frame number.
+                        // This value only used for barrier logic.
+                        flushState.bufferLayersReadyToPresent
+                                .emplace_or_replace(state.surface.get(),
+                                                    std::numeric_limits<uint64_t>::max());
+                    }
+                });
+            } else if (ready == TransactionReadiness::ReadyUnsignaledSingle) {
+                // Track queues with a flushed unsingaled buffer.
+                flushState.queuesWithUnsignaledBuffers.emplace_back(queueToken);
+                break;
+            }
+        }
+
+        if (queue.empty()) {
+            it = mPendingTransactionQueues.erase(it);
+        } else {
+            it = std::next(it, 1);
+        }
+    }
+    return transactionsPendingBarrier;
+}
+
+void TransactionHandler::addTransactionReadyFilter(TransactionFilter&& filter) {
+    mTransactionReadyFilters.emplace_back(std::move(filter));
+}
+
+bool TransactionHandler::hasPendingTransactions() {
+    return !mPendingTransactionQueues.empty() || !mLocklessTransactionQueue.isEmpty();
+}
+
+void TransactionHandler::onTransactionQueueStalled(uint64_t transactionId,
+                                                   sp<ITransactionCompletedListener>& listener,
+                                                   const std::string& reason) {
+    if (std::find(mStalledTransactions.begin(), mStalledTransactions.end(), transactionId) !=
+        mStalledTransactions.end()) {
+        return;
+    }
+
+    mStalledTransactions.push_back(transactionId);
+    listener->onTransactionQueueStalled(reason);
+}
+
+void TransactionHandler::removeFromStalledTransactions(uint64_t id) {
+    auto it = std::find(mStalledTransactions.begin(), mStalledTransactions.end(), id);
+    if (it != mStalledTransactions.end()) {
+        mStalledTransactions.erase(it);
+    }
+}
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/FrontEnd/TransactionHandler.h b/services/surfaceflinger/FrontEnd/TransactionHandler.h
new file mode 100644
index 0000000000..475ff1b1dc
--- /dev/null
+++ b/services/surfaceflinger/FrontEnd/TransactionHandler.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <semaphore.h>
+#include <cstdint>
+#include <vector>
+
+#include <LocklessQueue.h>
+#include <TransactionState.h>
+#include <android-base/thread_annotations.h>
+#include <ftl/small_map.h>
+#include <ftl/small_vector.h>
+
+namespace android {
+
+class TestableSurfaceFlinger;
+using gui::IListenerHash;
+namespace surfaceflinger::frontend {
+
+class TransactionHandler {
+public:
+    struct TransactionFlushState {
+        const TransactionState* transaction;
+        bool firstTransaction = true;
+        nsecs_t queueProcessTime = 0;
+        // Layer handles that have transactions with buffers that are ready to be applied.
+        ftl::SmallMap<IBinder* /* binder address */, uint64_t /* framenumber */, 15>
+                bufferLayersReadyToPresent = {};
+        ftl::SmallVector<IBinder* /* queueToken */, 15> queuesWithUnsignaledBuffers;
+    };
+    enum class TransactionReadiness {
+        NotReady,
+        NotReadyBarrier,
+        Ready,
+        ReadyUnsignaled,
+        ReadyUnsignaledSingle,
+    };
+    using TransactionFilter = std::function<TransactionReadiness(const TransactionFlushState&)>;
+
+    bool hasPendingTransactions();
+    std::vector<TransactionState> flushTransactions();
+    void addTransactionReadyFilter(TransactionFilter&&);
+    void queueTransaction(TransactionState&&);
+    void onTransactionQueueStalled(uint64_t transactionId, sp<ITransactionCompletedListener>&,
+                                   const std::string& reason);
+    void removeFromStalledTransactions(uint64_t transactionId);
+
+private:
+    // For unit tests
+    friend class ::android::TestableSurfaceFlinger;
+
+    int flushPendingTransactionQueues(std::vector<TransactionState>&, TransactionFlushState&);
+    TransactionReadiness applyFilters(TransactionFlushState&);
+    std::unordered_map<sp<IBinder>, std::queue<TransactionState>, IListenerHash>
+            mPendingTransactionQueues;
+    LocklessQueue<TransactionState> mLocklessTransactionQueue;
+    std::atomic<size_t> mPendingTransactionCount = 0;
+    ftl::SmallVector<TransactionFilter, 2> mTransactionReadyFilters;
+    std::vector<uint64_t> mStalledTransactions;
+};
+} // namespace surfaceflinger::frontend
+} // namespace android
diff --git a/services/surfaceflinger/HdrLayerInfoReporter.cpp b/services/surfaceflinger/HdrLayerInfoReporter.cpp
index c06e300cdc..c88554ee52 100644
--- a/services/surfaceflinger/HdrLayerInfoReporter.cpp
+++ b/services/surfaceflinger/HdrLayerInfoReporter.cpp
@@ -51,7 +51,7 @@ void HdrLayerInfoReporter::binderDied(const wp<IBinder>& who) {
 
 void HdrLayerInfoReporter::addListener(const sp<gui::IHdrLayerInfoListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mMutex);
     mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, HdrLayerInfo{}});
 }
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index c2b0a112d6..b7abd95af8 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -29,6 +29,7 @@
 #include <android-base/stringprintf.h>
 #include <android/native_window.h>
 #include <binder/IPCThreadState.h>
+#include <compositionengine/CompositionEngine.h>
 #include <compositionengine/Display.h>
 #include <compositionengine/LayerFECompositionState.h>
 #include <compositionengine/OutputLayer.h>
@@ -41,6 +42,7 @@
 #include <gui/BufferItem.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
+#include <gui/TraceUtils.h>
 #include <math.h>
 #include <private/android_filesystem_config.h>
 #include <renderengine/RenderEngine.h>
@@ -60,66 +62,103 @@
 
 #include <algorithm>
 #include <mutex>
+#include <optional>
 #include <sstream>
 
-#include "BufferLayer.h"
-#include "Colorizer.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWComposer.h"
-#include "EffectLayer.h"
 #include "FrameTimeline.h"
 #include "FrameTracer/FrameTracer.h"
+#include "FrontEnd/LayerCreationArgs.h"
+#include "FrontEnd/LayerHandle.h"
 #include "LayerProtoHelper.h"
-#include "LayerRejecter.h"
-#include "MonitoredProducer.h"
 #include "SurfaceFlinger.h"
 #include "TimeStats/TimeStats.h"
 #include "TunnelModeEnabledReporter.h"
 
 #define DEBUG_RESIZE 0
+#define EARLY_RELEASE_ENABLED false
 
 namespace android {
 namespace {
 constexpr int kDumpTableRowLength = 159;
+
 const ui::Transform kIdentityTransform;
+
+bool assignTransform(ui::Transform* dst, ui::Transform& from) {
+    if (*dst == from) {
+        return false;
+    }
+    *dst = from;
+    return true;
+}
+
+TimeStats::SetFrameRateVote frameRateToSetFrameRateVotePayload(Layer::FrameRate frameRate) {
+    using FrameRateCompatibility = TimeStats::SetFrameRateVote::FrameRateCompatibility;
+    using Seamlessness = TimeStats::SetFrameRateVote::Seamlessness;
+    const auto frameRateCompatibility = [frameRate] {
+        switch (frameRate.type) {
+            case Layer::FrameRateCompatibility::Default:
+                return FrameRateCompatibility::Default;
+            case Layer::FrameRateCompatibility::ExactOrMultiple:
+                return FrameRateCompatibility::ExactOrMultiple;
+            default:
+                return FrameRateCompatibility::Undefined;
+        }
+    }();
+
+    const auto seamlessness = [frameRate] {
+        switch (frameRate.seamlessness) {
+            case scheduler::Seamlessness::OnlySeamless:
+                return Seamlessness::ShouldBeSeamless;
+            case scheduler::Seamlessness::SeamedAndSeamless:
+                return Seamlessness::NotRequired;
+            default:
+                return Seamlessness::Undefined;
+        }
+    }();
+
+    return TimeStats::SetFrameRateVote{.frameRate = frameRate.rate.getValue(),
+                                       .frameRateCompatibility = frameRateCompatibility,
+                                       .seamlessness = seamlessness};
+}
+
 } // namespace
 
 using namespace ftl::flag_operators;
 
 using base::StringAppendF;
+using gui::GameMode;
+using gui::LayerMetadata;
 using gui::WindowInfo;
 
 using PresentState = frametimeline::SurfaceFrame::PresentState;
 
-std::atomic<int32_t> Layer::sSequence{1};
-
 Layer::Layer(const LayerCreationArgs& args)
-      : sequence(args.sequence.value_or(sSequence++)),
-        mFlinger(args.flinger),
+      : sequence(args.sequence),
+        mFlinger(sp<SurfaceFlinger>::fromExisting(args.flinger)),
         mName(base::StringPrintf("%s#%d", args.name.c_str(), sequence)),
         mClientRef(args.client),
-        mWindowType(static_cast<WindowInfo::Type>(args.metadata.getInt32(METADATA_WINDOW_TYPE, 0))),
-        mLayerCreationFlags(args.flags) {
+        mWindowType(static_cast<WindowInfo::Type>(
+                args.metadata.getInt32(gui::METADATA_WINDOW_TYPE, 0))),
+        mLayerCreationFlags(args.flags),
+        mBorderEnabled(false),
+        mTextureName(args.textureName),
+        mLayerFE(args.flinger->getFactory().createLayerFE(mName)) {
+    ALOGV("Creating Layer %s", getDebugName());
+
     uint32_t layerFlags = 0;
     if (args.flags & ISurfaceComposerClient::eHidden) layerFlags |= layer_state_t::eLayerHidden;
     if (args.flags & ISurfaceComposerClient::eOpaque) layerFlags |= layer_state_t::eLayerOpaque;
     if (args.flags & ISurfaceComposerClient::eSecure) layerFlags |= layer_state_t::eLayerSecure;
     if (args.flags & ISurfaceComposerClient::eSkipScreenshot)
         layerFlags |= layer_state_t::eLayerSkipScreenshot;
-    if (args.sequence) {
-        sSequence = *args.sequence + 1;
-    }
     mDrawingState.flags = layerFlags;
-    mDrawingState.active_legacy.transform.set(0, 0);
     mDrawingState.crop.makeInvalid();
-    mDrawingState.requestedCrop = mDrawingState.crop;
     mDrawingState.z = 0;
     mDrawingState.color.a = 1.0f;
     mDrawingState.layerStack = ui::DEFAULT_LAYER_STACK;
     mDrawingState.sequence = 0;
-    mDrawingState.requested_legacy = mDrawingState.active_legacy;
-    mDrawingState.width = UINT32_MAX;
-    mDrawingState.height = UINT32_MAX;
     mDrawingState.transform.set(0, 0);
     mDrawingState.frameNumber = 0;
     mDrawingState.bufferTransform = 0;
@@ -128,6 +167,7 @@ Layer::Layer(const LayerCreationArgs& args)
     mDrawingState.acquireFence = sp<Fence>::make(-1);
     mDrawingState.acquireFenceTime = std::make_shared<FenceTime>(mDrawingState.acquireFence);
     mDrawingState.dataspace = ui::Dataspace::UNKNOWN;
+    mDrawingState.dataspaceRequested = false;
     mDrawingState.hdrMetadata.validTypes = 0;
     mDrawingState.surfaceDamageRegion = Region::INVALID_REGION;
     mDrawingState.cornerRadius = 0.0f;
@@ -145,6 +185,7 @@ Layer::Layer(const LayerCreationArgs& args)
     mDrawingState.isTrustedOverlay = false;
     mDrawingState.dropInputMode = gui::DropInputMode::NONE;
     mDrawingState.dimmingEnabled = true;
+    mDrawingState.defaultFrameRateCompatibility = FrameRateCompatibility::Default;
 
     if (args.flags & ISurfaceComposerClient::eNoColorFill) {
         // Set an invalid color so there is no color fill.
@@ -152,22 +193,22 @@ Layer::Layer(const LayerCreationArgs& args)
         mDrawingState.color.g = -1.0_hf;
         mDrawingState.color.b = -1.0_hf;
     }
-    CompositorTiming compositorTiming;
-    args.flinger->getCompositorTiming(&compositorTiming);
-    mFrameTracker.setDisplayRefreshPeriod(compositorTiming.interval);
 
-    mCallingPid = args.callingPid;
-    mCallingUid = args.callingUid;
+    mFrameTracker.setDisplayRefreshPeriod(args.flinger->mScheduler->getLeaderVsyncPeriod());
 
-    if (mCallingUid == AID_GRAPHICS || mCallingUid == AID_SYSTEM) {
-        // If the system didn't send an ownerUid, use the callingUid for the ownerUid.
-        mOwnerUid = args.metadata.getInt32(METADATA_OWNER_UID, mCallingUid);
-        mOwnerPid = args.metadata.getInt32(METADATA_OWNER_PID, mCallingPid);
-    } else {
-        // A create layer request from a non system request cannot specify the owner uid
-        mOwnerUid = mCallingUid;
-        mOwnerPid = mCallingPid;
-    }
+    mOwnerUid = args.ownerUid;
+    mOwnerPid = args.ownerPid;
+
+    mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
+    mPotentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
+    mProtectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
+    mDrawingState.dataspace = ui::Dataspace::V0_SRGB;
+
+    mSnapshot->sequence = sequence;
+    mSnapshot->name = getDebugName();
+    mSnapshot->textureName = mTextureName;
+    mSnapshot->premultipliedAlpha = mPremultipliedAlpha;
+    mSnapshot->transform = {};
 }
 
 void Layer::onFirstRef() {
@@ -175,10 +216,27 @@ void Layer::onFirstRef() {
 }
 
 Layer::~Layer() {
-    sp<Client> c(mClientRef.promote());
-    if (c != 0) {
-        c->detachLayer(this);
+    // The original layer and the clone layer share the same texture and buffer. Therefore, only
+    // one of the layers, in this case the original layer, needs to handle the deletion. The
+    // original layer and the clone should be removed at the same time so there shouldn't be any
+    // issue with the clone layer trying to use the texture.
+    if (mBufferInfo.mBuffer != nullptr) {
+        callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFrameNumber,
+                                  mBufferInfo.mFence,
+                                  mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                          mOwnerUid));
+    }
+    if (!isClone()) {
+        // The original layer and the clone layer share the same texture. Therefore, only one of
+        // the layers, in this case the original layer, needs to handle the deletion. The original
+        // layer and the clone should be removed at the same time so there shouldn't be any issue
+        // with the clone layer trying to use the deleted texture.
+        mFlinger->deleteTextureAsync(mTextureName);
     }
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->onDestroy(layerId);
+    mFlinger->mFrameTracer->onDestroy(layerId);
 
     mFrameTracker.logAndResetStats(mName);
     mFlinger->onLayerDestroyed(this);
@@ -191,29 +249,10 @@ Layer::~Layer() {
     }
 }
 
-LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,
-                                     uint32_t flags, LayerMetadata metadata)
-      : flinger(flinger),
-        client(std::move(client)),
-        name(std::move(name)),
-        flags(flags),
-        metadata(std::move(metadata)) {
-    IPCThreadState* ipc = IPCThreadState::self();
-    callingPid = ipc->getCallingPid();
-    callingUid = ipc->getCallingUid();
-}
-
 // ---------------------------------------------------------------------------
 // callbacks
 // ---------------------------------------------------------------------------
 
-/*
- * onLayerDisplayed is only meaningful for BufferLayer, but, is called through
- * Layer.  So, the implementation is done in BufferLayer.  When called on a
- * EffectLayer object, it's essentially a NOP.
- */
-void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult>) {}
-
 void Layer::removeRelativeZ(const std::vector<Layer*>& layersInTree) {
     if (mDrawingState.zOrderRelativeOf == nullptr) {
         return;
@@ -226,7 +265,7 @@ void Layer::removeRelativeZ(const std::vector<Layer*>& layersInTree) {
     }
 
     if (!std::binary_search(layersInTree.begin(), layersInTree.end(), strongRelative.get())) {
-        strongRelative->removeZOrderRelative(this);
+        strongRelative->removeZOrderRelative(wp<Layer>::fromExisting(this));
         mFlinger->setTransactionFlags(eTraversalNeeded);
         setZOrderRelativeOf(nullptr);
     }
@@ -238,13 +277,13 @@ void Layer::removeFromCurrentState() {
         mFlinger->mScheduler->deregisterLayer(this);
     }
 
-    mFlinger->markLayerPendingRemovalLocked(this);
+    mFlinger->markLayerPendingRemovalLocked(sp<Layer>::fromExisting(this));
 }
 
 sp<Layer> Layer::getRootLayer() {
     sp<Layer> parent = getParent();
     if (parent == nullptr) {
-        return this;
+        return sp<Layer>::fromExisting(this);
     }
     return parent->getRootLayer();
 }
@@ -287,7 +326,7 @@ sp<IBinder> Layer::getHandle() {
         return nullptr;
     }
     mGetHandleCalled = true;
-    return new Handle(mFlinger, this);
+    return sp<LayerHandle>::make(mFlinger, sp<Layer>::fromExisting(this));
 }
 
 // ---------------------------------------------------------------------------
@@ -379,6 +418,10 @@ void Layer::computeBounds(FloatRect parentBounds, ui::Transform parentTransform,
     for (const sp<Layer>& child : mDrawingChildren) {
         child->computeBounds(mBounds, mEffectiveTransform, childShadowRadius);
     }
+
+    if (mPotentialCursor) {
+        prepareCursorCompositionState();
+    }
 }
 
 Rect Layer::getCroppedBufferSize(const State& s) const {
@@ -414,40 +457,40 @@ void Layer::prepareBasicGeometryCompositionState() {
                                         : Hwc2::IComposerClient::BlendMode::COVERAGE;
     }
 
-    auto* compositionState = editCompositionState();
-    compositionState->outputFilter = getOutputFilter();
-    compositionState->isVisible = isVisible();
-    compositionState->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
-    compositionState->shadowRadius = mEffectiveShadowRadius;
+    auto* snapshot = editLayerSnapshot();
+    snapshot->outputFilter = getOutputFilter();
+    snapshot->isVisible = isVisible();
+    snapshot->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
+    snapshot->shadowRadius = mEffectiveShadowRadius;
 
-    compositionState->contentDirty = contentDirty;
+    snapshot->contentDirty = contentDirty;
     contentDirty = false;
 
-    compositionState->geomLayerBounds = mBounds;
-    compositionState->geomLayerTransform = getTransform();
-    compositionState->geomInverseLayerTransform = compositionState->geomLayerTransform.inverse();
-    compositionState->transparentRegionHint = getActiveTransparentRegion(drawingState);
-
-    compositionState->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
-    compositionState->alpha = alpha;
-    compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
-    compositionState->blurRegions = drawingState.blurRegions;
-    compositionState->stretchEffect = getStretchEffect();
+    snapshot->geomLayerBounds = mBounds;
+    snapshot->geomLayerTransform = getTransform();
+    snapshot->geomInverseLayerTransform = snapshot->geomLayerTransform.inverse();
+    snapshot->transparentRegionHint = getActiveTransparentRegion(drawingState);
+    snapshot->blurRegionTransform = getActiveTransform(drawingState).inverse();
+    snapshot->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
+    snapshot->alpha = alpha;
+    snapshot->backgroundBlurRadius = drawingState.backgroundBlurRadius;
+    snapshot->blurRegions = drawingState.blurRegions;
+    snapshot->stretchEffect = getStretchEffect();
 }
 
 void Layer::prepareGeometryCompositionState() {
     const auto& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
-    compositionState->geomBufferSize = getBufferSize(drawingState);
-    compositionState->geomContentCrop = getBufferCrop();
-    compositionState->geomCrop = getCrop(drawingState);
-    compositionState->geomBufferTransform = getBufferTransform();
-    compositionState->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
-    compositionState->geomUsesSourceCrop = usesSourceCrop();
-    compositionState->isSecure = isSecure();
+    snapshot->geomBufferSize = getBufferSize(drawingState);
+    snapshot->geomContentCrop = getBufferCrop();
+    snapshot->geomCrop = getCrop(drawingState);
+    snapshot->geomBufferTransform = getBufferTransform();
+    snapshot->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
+    snapshot->geomUsesSourceCrop = usesSourceCrop();
+    snapshot->isSecure = isSecure();
 
-    compositionState->metadata.clear();
+    snapshot->metadata.clear();
     const auto& supportedMetadata = mFlinger->getHwComposer().getSupportedLayerGenericMetadata();
     for (const auto& [key, mandatory] : supportedMetadata) {
         const auto& genericLayerMetadataCompatibilityMap =
@@ -463,50 +506,87 @@ void Layer::prepareGeometryCompositionState() {
             continue;
         }
 
-        compositionState->metadata
-                .emplace(key, compositionengine::GenericLayerMetadataEntry{mandatory, it->second});
+        snapshot->metadata.emplace(key,
+                                   compositionengine::GenericLayerMetadataEntry{mandatory,
+                                                                                it->second});
     }
 }
 
 void Layer::preparePerFrameCompositionState() {
     const auto& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
-    compositionState->forceClientComposition = false;
+    snapshot->forceClientComposition = false;
 
-    compositionState->isColorspaceAgnostic = isColorSpaceAgnostic();
-    compositionState->dataspace = getDataSpace();
-    compositionState->colorTransform = getColorTransform();
-    compositionState->colorTransformIsIdentity = !hasColorTransform();
-    compositionState->surfaceDamage = surfaceDamageRegion;
-    compositionState->hasProtectedContent = isProtected();
-    compositionState->dimmingEnabled = isDimmingEnabled();
+    snapshot->isColorspaceAgnostic = isColorSpaceAgnostic();
+    snapshot->dataspace = getDataSpace();
+    snapshot->colorTransform = getColorTransform();
+    snapshot->colorTransformIsIdentity = !hasColorTransform();
+    snapshot->surfaceDamage = surfaceDamageRegion;
+    snapshot->hasProtectedContent = isProtected();
+    snapshot->dimmingEnabled = isDimmingEnabled();
 
     const bool usesRoundedCorners = hasRoundedCorners();
 
-    compositionState->isOpaque =
-            isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
+    snapshot->isOpaque = isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
 
     // Force client composition for special cases known only to the front-end.
     // Rounded corners no longer force client composition, since we may use a
     // hole punch so that the layer will appear to have rounded corners.
     if (isHdrY410() || drawShadows() || drawingState.blurRegions.size() > 0 ||
-        compositionState->stretchEffect.hasEffect()) {
-        compositionState->forceClientComposition = true;
+        snapshot->stretchEffect.hasEffect()) {
+        snapshot->forceClientComposition = true;
     }
     // If there are no visible region changes, we still need to update blur parameters.
-    compositionState->blurRegions = drawingState.blurRegions;
-    compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
+    snapshot->blurRegions = drawingState.blurRegions;
+    snapshot->backgroundBlurRadius = drawingState.backgroundBlurRadius;
 
     // Layer framerate is used in caching decisions.
     // Retrieve it from the scheduler which maintains an instance of LayerHistory, and store it in
     // LayerFECompositionState where it would be visible to Flattener.
-    compositionState->fps = mFlinger->getLayerFramerate(systemTime(), getSequence());
+    snapshot->fps = mFlinger->getLayerFramerate(systemTime(), getSequence());
+
+    if (hasBufferOrSidebandStream()) {
+        preparePerFrameBufferCompositionState();
+    } else {
+        preparePerFrameEffectsCompositionState();
+    }
+}
+
+void Layer::preparePerFrameBufferCompositionState() {
+    // Sideband layers
+    auto* snapshot = editLayerSnapshot();
+    if (snapshot->sidebandStream.get() && !snapshot->sidebandStreamHasFrame) {
+        snapshot->compositionType =
+                aidl::android::hardware::graphics::composer3::Composition::SIDEBAND;
+        return;
+    } else if ((mDrawingState.flags & layer_state_t::eLayerIsDisplayDecoration) != 0) {
+        snapshot->compositionType =
+                aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION;
+    } else {
+        // Normal buffer layers
+        snapshot->hdrMetadata = mBufferInfo.mHdrMetadata;
+        snapshot->compositionType = mPotentialCursor
+                ? aidl::android::hardware::graphics::composer3::Composition::CURSOR
+                : aidl::android::hardware::graphics::composer3::Composition::DEVICE;
+    }
+
+    snapshot->buffer = getBuffer();
+    snapshot->acquireFence = mBufferInfo.mFence;
+    snapshot->frameNumber = mBufferInfo.mFrameNumber;
+    snapshot->sidebandStreamHasFrame = false;
+}
+
+void Layer::preparePerFrameEffectsCompositionState() {
+    auto* snapshot = editLayerSnapshot();
+    snapshot->color = getColor();
+    snapshot->compositionType =
+            aidl::android::hardware::graphics::composer3::Composition::SOLID_COLOR;
 }
 
 void Layer::prepareCursorCompositionState() {
     const State& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
     // Apply the layer's transform, followed by the display's global transform
     // Here we're guaranteed that the layer's transform preserves rects
@@ -515,52 +595,7 @@ void Layer::prepareCursorCompositionState() {
     Rect bounds = reduce(win, getActiveTransparentRegion(drawingState));
     Rect frame(getTransform().transform(bounds));
 
-    compositionState->cursorFrame = frame;
-}
-
-sp<compositionengine::LayerFE> Layer::asLayerFE() const {
-    return const_cast<compositionengine::LayerFE*>(
-            static_cast<const compositionengine::LayerFE*>(this));
-}
-
-sp<compositionengine::LayerFE> Layer::getCompositionEngineLayerFE() const {
-    return nullptr;
-}
-
-compositionengine::LayerFECompositionState* Layer::editCompositionState() {
-    return nullptr;
-}
-
-const compositionengine::LayerFECompositionState* Layer::getCompositionState() const {
-    return nullptr;
-}
-
-bool Layer::onPreComposition(nsecs_t) {
-    return false;
-}
-
-void Layer::prepareCompositionState(compositionengine::LayerFE::StateSubset subset) {
-    using StateSubset = compositionengine::LayerFE::StateSubset;
-
-    switch (subset) {
-        case StateSubset::BasicGeometry:
-            prepareBasicGeometryCompositionState();
-            break;
-
-        case StateSubset::GeometryAndContent:
-            prepareBasicGeometryCompositionState();
-            prepareGeometryCompositionState();
-            preparePerFrameCompositionState();
-            break;
-
-        case StateSubset::Content:
-            preparePerFrameCompositionState();
-            break;
-
-        case StateSubset::Cursor:
-            prepareCursorCompositionState();
-            break;
-    }
+    snapshot->cursorFrame = frame;
 }
 
 const char* Layer::getDebugName() const {
@@ -571,109 +606,6 @@ const char* Layer::getDebugName() const {
 // drawing...
 // ---------------------------------------------------------------------------
 
-std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientComposition(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    if (!getCompositionState()) {
-        return {};
-    }
-
-    FloatRect bounds = getBounds();
-    half alpha = getAlpha();
-
-    compositionengine::LayerFE::LayerSettings layerSettings;
-    layerSettings.geometry.boundaries = bounds;
-    layerSettings.geometry.positionTransform = getTransform().asMatrix4();
-
-    // skip drawing content if the targetSettings indicate the content will be occluded
-    const bool drawContent = targetSettings.realContentIsVisible || targetSettings.clearContent;
-    layerSettings.skipContentDraw = !drawContent;
-
-    if (hasColorTransform()) {
-        layerSettings.colorTransform = getColorTransform();
-    }
-
-    const auto roundedCornerState = getRoundedCornerState();
-    layerSettings.geometry.roundedCornersRadius = roundedCornerState.radius;
-    layerSettings.geometry.roundedCornersCrop = roundedCornerState.cropRect;
-
-    layerSettings.alpha = alpha;
-    layerSettings.sourceDataspace = getDataSpace();
-
-    // Override the dataspace transfer from 170M to sRGB if the device configuration requests this.
-    // We do this here instead of in buffer info so that dumpsys can still report layers that are
-    // using the 170M transfer.
-    if (mFlinger->mTreat170mAsSrgb &&
-        (layerSettings.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) ==
-                HAL_DATASPACE_TRANSFER_SMPTE_170M) {
-        layerSettings.sourceDataspace = static_cast<ui::Dataspace>(
-                (layerSettings.sourceDataspace & HAL_DATASPACE_STANDARD_MASK) |
-                (layerSettings.sourceDataspace & HAL_DATASPACE_RANGE_MASK) |
-                HAL_DATASPACE_TRANSFER_SRGB);
-    }
-
-    layerSettings.whitePointNits = targetSettings.whitePointNits;
-    switch (targetSettings.blurSetting) {
-        case LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled:
-            layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
-            layerSettings.blurRegions = getBlurRegions();
-            layerSettings.blurRegionTransform =
-                    getActiveTransform(getDrawingState()).inverse().asMatrix4();
-            break;
-        case LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly:
-            layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
-            break;
-        case LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly:
-            layerSettings.blurRegions = getBlurRegions();
-            layerSettings.blurRegionTransform =
-                    getActiveTransform(getDrawingState()).inverse().asMatrix4();
-            break;
-        case LayerFE::ClientCompositionTargetSettings::BlurSetting::Disabled:
-        default:
-            break;
-    }
-    layerSettings.stretchEffect = getStretchEffect();
-    // Record the name of the layer for debugging further down the stack.
-    layerSettings.name = getName();
-    return layerSettings;
-}
-
-void Layer::prepareClearClientComposition(LayerFE::LayerSettings& layerSettings,
-                                          bool blackout) const {
-    layerSettings.source.buffer.buffer = nullptr;
-    layerSettings.source.solidColor = half3(0.0, 0.0, 0.0);
-    layerSettings.disableBlending = true;
-    layerSettings.bufferId = 0;
-    layerSettings.frameNumber = 0;
-
-    // If layer is blacked out, force alpha to 1 so that we draw a black color layer.
-    layerSettings.alpha = blackout ? 1.0f : 0.0f;
-    layerSettings.name = getName();
-}
-
-// TODO(b/188891810): This method now only ever returns 0 or 1 layers so we should return
-// std::optional instead of a vector.  Additionally, we should consider removing
-// this method entirely in favor of calling prepareClientComposition directly.
-std::vector<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCompositionList(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
-            prepareClientComposition(targetSettings);
-    // Nothing to render.
-    if (!layerSettings) {
-        return {};
-    }
-
-    // HWC requests to clear this layer.
-    if (targetSettings.clearContent) {
-        prepareClearClientComposition(*layerSettings, false /* blackout */);
-        return {*layerSettings};
-    }
-
-    // set the shadow for the layer if needed
-    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
-
-    return {*layerSettings};
-}
-
 aidl::android::hardware::graphics::composer3::Composition Layer::getCompositionType(
         const DisplayDevice& display) const {
     const auto outputLayer = findOutputLayerForDisplay(&display);
@@ -721,7 +653,7 @@ uint32_t Layer::doTransaction(uint32_t flags) {
 
     if (s.sequence != mLastCommittedTxSequence) {
         // invalidate and recompute the visible regions if needed
-         mLastCommittedTxSequence = s.sequence;
+        mLastCommittedTxSequence = s.sequence;
         flags |= eVisibleRegion;
         this->contentDirty = true;
 
@@ -729,6 +661,10 @@ uint32_t Layer::doTransaction(uint32_t flags) {
         mNeedsFiltering = getActiveTransform(s).needsBilinearFiltering();
     }
 
+    if (!mPotentialCursor && (flags & Layer::eVisibleRegion)) {
+        mFlinger->mUpdateInputInfo = true;
+    }
+
     commitTransaction(mDrawingState);
 
     return flags;
@@ -758,16 +694,6 @@ void Layer::setTransactionFlags(uint32_t mask) {
     mTransactionFlags |= mask;
 }
 
-bool Layer::setPosition(float x, float y) {
-    if (mDrawingState.transform.tx() == x && mDrawingState.transform.ty() == y) return false;
-    mDrawingState.sequence++;
-    mDrawingState.transform.set(x, y);
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
 bool Layer::setChildLayer(const sp<Layer>& childLayer, int32_t z) {
     ssize_t idx = mCurrentChildren.indexOf(childLayer);
     if (idx < 0) {
@@ -807,7 +733,7 @@ bool Layer::setLayer(int32_t z) {
     if (mDrawingState.zOrderRelativeOf != nullptr) {
         sp<Layer> strongRelative = mDrawingState.zOrderRelativeOf.promote();
         if (strongRelative != nullptr) {
-            strongRelative->removeZOrderRelative(this);
+            strongRelative->removeZOrderRelative(wp<Layer>::fromExisting(this));
         }
         setZOrderRelativeOf(nullptr);
     }
@@ -839,7 +765,7 @@ void Layer::setZOrderRelativeOf(const wp<Layer>& relativeOf) {
 }
 
 bool Layer::setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ) {
-    sp<Layer> relative = fromHandle(relativeToHandle).promote();
+    sp<Layer> relative = LayerHandle::getLayer(relativeToHandle);
     if (relative == nullptr) {
         return false;
     }
@@ -865,10 +791,10 @@ bool Layer::setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relati
 
     auto oldZOrderRelativeOf = mDrawingState.zOrderRelativeOf.promote();
     if (oldZOrderRelativeOf != nullptr) {
-        oldZOrderRelativeOf->removeZOrderRelative(this);
+        oldZOrderRelativeOf->removeZOrderRelative(wp<Layer>::fromExisting(this));
     }
     setZOrderRelativeOf(relative);
-    relative->addZOrderRelative(this);
+    relative->addZOrderRelative(wp<Layer>::fromExisting(this));
 
     setTransactionFlags(eTransactionNeeded);
 
@@ -879,7 +805,7 @@ bool Layer::setTrustedOverlay(bool isTrustedOverlay) {
     if (mDrawingState.isTrustedOverlay == isTrustedOverlay) return false;
     mDrawingState.isTrustedOverlay = isTrustedOverlay;
     mDrawingState.modified = true;
-    mFlinger->mInputInfoChanged = true;
+    mFlinger->mUpdateInputInfo = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
@@ -892,20 +818,6 @@ bool Layer::isTrustedOverlay() const {
     return (p != nullptr) && p->isTrustedOverlay();
 }
 
-bool Layer::setSize(uint32_t w, uint32_t h) {
-    if (mDrawingState.requested_legacy.w == w && mDrawingState.requested_legacy.h == h)
-        return false;
-    mDrawingState.requested_legacy.w = w;
-    mDrawingState.requested_legacy.h = h;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    // record the new size, from this point on, when the client request
-    // a buffer, it'll get the new size.
-    setDefaultBufferSize(mDrawingState.requested_legacy.w, mDrawingState.requested_legacy.h);
-    return true;
-}
-
 bool Layer::setAlpha(float alpha) {
     if (mDrawingState.color.a == alpha) return false;
     mDrawingState.sequence++;
@@ -975,20 +887,10 @@ bool Layer::setBackgroundBlurRadius(int backgroundBlurRadius) {
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
-bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
-    ui::Transform t;
-    t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mDrawingState.sequence++;
-    mDrawingState.transform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-    mDrawingState.modified = true;
-
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
 
 bool Layer::setTransparentRegionHint(const Region& transparent) {
-    mDrawingState.requestedTransparentRegion_legacy = transparent;
+    mDrawingState.sequence++;
+    mDrawingState.transparentRegionHint = transparent;
     mDrawingState.modified = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
@@ -1017,9 +919,8 @@ bool Layer::setFlags(uint32_t flags, uint32_t mask) {
 }
 
 bool Layer::setCrop(const Rect& crop) {
-    if (mDrawingState.requestedCrop == crop) return false;
+    if (mDrawingState.crop == crop) return false;
     mDrawingState.sequence++;
-    mDrawingState.requestedCrop = crop;
     mDrawingState.crop = crop;
 
     mDrawingState.modified = true;
@@ -1087,12 +988,27 @@ int32_t Layer::getFrameRateSelectionPriority() const {
     return Layer::PRIORITY_UNSET;
 }
 
+bool Layer::setDefaultFrameRateCompatibility(FrameRateCompatibility compatibility) {
+    if (mDrawingState.defaultFrameRateCompatibility == compatibility) return false;
+    mDrawingState.defaultFrameRateCompatibility = compatibility;
+    mDrawingState.modified = true;
+    mFlinger->mScheduler->setDefaultFrameRateCompatibility(this);
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+scheduler::LayerInfo::FrameRateCompatibility Layer::getDefaultFrameRateCompatibility() const {
+    return mDrawingState.defaultFrameRateCompatibility;
+}
+
 bool Layer::isLayerFocusedBasedOnPriority(int32_t priority) {
     return priority == PRIORITY_FOCUSED_WITH_MODE || priority == PRIORITY_FOCUSED_WITHOUT_MODE;
 };
 
-ui::LayerStack Layer::getLayerStack() const {
-    if (const auto parent = mDrawingParent.promote()) {
+ui::LayerStack Layer::getLayerStack(LayerVector::StateSet state) const {
+    bool useDrawing = state == LayerVector::StateSet::Drawing;
+    const auto parent = useDrawing ? mDrawingParent.promote() : mCurrentParent.promote();
+    if (parent) {
         return parent->getLayerStack();
     }
     return getDrawingState().layerStack;
@@ -1151,6 +1067,28 @@ StretchEffect Layer::getStretchEffect() const {
     return StretchEffect{};
 }
 
+bool Layer::enableBorder(bool shouldEnable, float width, const half4& color) {
+    if (mBorderEnabled == shouldEnable && mBorderWidth == width && mBorderColor == color) {
+        return false;
+    }
+    mBorderEnabled = shouldEnable;
+    mBorderWidth = width;
+    mBorderColor = color;
+    return true;
+}
+
+bool Layer::isBorderEnabled() {
+    return mBorderEnabled;
+}
+
+float Layer::getBorderWidth() {
+    return mBorderWidth;
+}
+
+const half4& Layer::getBorderColor() {
+    return mBorderColor;
+}
+
 bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* transactionNeeded) {
     // The frame rate for layer tree is this layer's frame rate if present, or the parent frame rate
     const auto frameRate = [&] {
@@ -1181,7 +1119,7 @@ bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* tran
 
     // We return whether this layer ot its children has a vote. We ignore ExactOrMultiple votes for
     // the same reason we are allowing touch boost for those layers. See
-    // RefreshRateConfigs::getBestRefreshRate for more details.
+    // RefreshRateSelector::rankFrameRates for details.
     const auto layerVotedWithDefaultCompatibility =
             frameRate.rate.isValid() && frameRate.type == FrameRateCompatibility::Default;
     const auto layerVotedWithNoVote = frameRate.type == FrameRateCompatibility::NoVote;
@@ -1193,7 +1131,7 @@ bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* tran
 
 void Layer::updateTreeHasFrameRateVote() {
     const auto root = [&]() -> sp<Layer> {
-        sp<Layer> layer = this;
+        sp<Layer> layer = sp<Layer>::fromExisting(this);
         while (auto parent = layer->getParent()) {
             layer = parent;
         }
@@ -1324,7 +1262,6 @@ std::shared_ptr<frametimeline::SurfaceFrame> Layer::createSurfaceFrameForBuffer(
     if (fps) {
         surfaceFrame->setRenderRate(*fps);
     }
-    // TODO(b/178542907): Implement onSurfaceFrameCreated for BQLayer as well.
     onSurfaceFrameCreated(surfaceFrame);
     return surfaceFrame;
 }
@@ -1386,6 +1323,10 @@ uint32_t Layer::getEffectiveUsage(uint32_t usage) const {
     return usage;
 }
 
+void Layer::skipReportingTransformHint() {
+    mSkipReportingTransformHint = true;
+}
+
 void Layer::updateTransformHint(ui::Transform::RotationFlags transformHint) {
     if (mFlinger->mDebugDisableTransformHint || transformHint & ui::Transform::ROT_INVALID) {
         transformHint = ui::Transform::ROT_0;
@@ -1399,16 +1340,15 @@ void Layer::updateTransformHint(ui::Transform::RotationFlags transformHint) {
 // ----------------------------------------------------------------------------
 
 // TODO(marissaw): add new layer state info to layer debugging
-LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
+gui::LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
     using namespace std::string_literals;
 
-    LayerDebugInfo info;
+    gui::LayerDebugInfo info;
     const State& ds = getDrawingState();
     info.mName = getName();
     sp<Layer> parent = mDrawingParent.promote();
     info.mParentName = parent ? parent->getName() : "none"s;
     info.mType = getType();
-    info.mTransparentRegion = ds.activeTransparentRegion_legacy;
 
     info.mVisibleRegion = getVisibleRegion(display);
     info.mSurfaceDamageRegion = surfaceDamageRegion;
@@ -1416,8 +1356,6 @@ LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
     info.mX = ds.transform.tx();
     info.mY = ds.transform.ty();
     info.mZ = ds.z;
-    info.mWidth = ds.width;
-    info.mHeight = ds.height;
     info.mCrop = ds.crop;
     info.mColor = ds.color;
     info.mFlags = ds.flags;
@@ -1530,9 +1468,10 @@ void Layer::getFrameStats(FrameStats* outStats) const {
     mFrameTracker.getStats(outStats);
 }
 
-void Layer::dumpCallingUidPid(std::string& result) const {
-    StringAppendF(&result, "Layer %s (%s) callingPid:%d callingUid:%d ownerUid:%d\n",
-                  getName().c_str(), getType(), mCallingPid, mCallingUid, mOwnerUid);
+void Layer::dumpOffscreenDebugInfo(std::string& result) const {
+    std::string hasBuffer = hasBufferOrSidebandStream() ? " (contains buffer)" : "";
+    StringAppendF(&result, "Layer %s%s pid:%d uid:%d\n", getName().c_str(), hasBuffer.c_str(),
+                  mOwnerPid, mOwnerUid);
 }
 
 void Layer::onDisconnect() {
@@ -1551,8 +1490,9 @@ size_t Layer::getChildrenCount() const {
 
 void Layer::setGameModeForTree(GameMode gameMode) {
     const auto& currentState = getDrawingState();
-    if (currentState.metadata.has(METADATA_GAME_MODE)) {
-        gameMode = static_cast<GameMode>(currentState.metadata.getInt32(METADATA_GAME_MODE, 0));
+    if (currentState.metadata.has(gui::METADATA_GAME_MODE)) {
+        gameMode =
+                static_cast<GameMode>(currentState.metadata.getInt32(gui::METADATA_GAME_MODE, 0));
     }
     setGameMode(gameMode);
     for (const sp<Layer>& child : mCurrentChildren) {
@@ -1565,7 +1505,7 @@ void Layer::addChild(const sp<Layer>& layer) {
     setTransactionFlags(eTransactionNeeded);
 
     mCurrentChildren.add(layer);
-    layer->setParent(this);
+    layer->setParent(sp<Layer>::fromExisting(this));
     layer->setGameModeForTree(mGameMode);
     updateTreeHasFrameRateVote();
 }
@@ -1597,7 +1537,7 @@ void Layer::setChildrenDrawingParent(const sp<Layer>& newParent) {
 bool Layer::reparent(const sp<IBinder>& newParentHandle) {
     sp<Layer> newParent;
     if (newParentHandle != nullptr) {
-        newParent = fromHandle(newParentHandle).promote();
+        newParent = LayerHandle::getLayer(newParentHandle);
         if (newParent == nullptr) {
             ALOGE("Unable to promote Layer handle");
             return false;
@@ -1610,11 +1550,11 @@ bool Layer::reparent(const sp<IBinder>& newParentHandle) {
 
     sp<Layer> parent = getParent();
     if (parent != nullptr) {
-        parent->removeChild(this);
+        parent->removeChild(sp<Layer>::fromExisting(this));
     }
 
     if (newParentHandle != nullptr) {
-        newParent->addChild(this);
+        newParent->addChild(sp<Layer>::fromExisting(this));
         if (!newParent->isRemovedFromCurrentState()) {
             addToCurrentState();
         } else {
@@ -1896,8 +1836,11 @@ half4 Layer::getColor() const {
 }
 
 int32_t Layer::getBackgroundBlurRadius() const {
-    const auto& p = mDrawingParent.promote();
+    if (getDrawingState().backgroundBlurRadius == 0) {
+        return 0;
+    }
 
+    const auto& p = mDrawingParent.promote();
     half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
     return parentAlpha * getDrawingState().backgroundBlurRadius;
 }
@@ -1911,7 +1854,7 @@ const std::vector<BlurRegion> Layer::getBlurRegions() const {
     return regionsCopy;
 }
 
-Layer::RoundedCornerState Layer::getRoundedCornerState() const {
+RoundedCornerState Layer::getRoundedCornerState() const {
     // Get parent settings
     RoundedCornerState parentSettings;
     const auto& parent = mDrawingParent.promote();
@@ -1952,39 +1895,6 @@ Layer::RoundedCornerState Layer::getRoundedCornerState() const {
     return {};
 }
 
-void Layer::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
-                                           const Rect& layerStackRect) {
-    renderengine::ShadowSettings state = mFlinger->mDrawingState.globalShadowSettings;
-
-    // Note: this preserves existing behavior of shadowing the entire layer and not cropping it if
-    // transparent regions are present. This may not be necessary since shadows are only cast by
-    // SurfaceFlinger's EffectLayers, which do not typically use transparent regions.
-    state.boundaries = mBounds;
-
-    // Shift the spot light x-position to the middle of the display and then
-    // offset it by casting layer's screen pos.
-    state.lightPos.x = (layerStackRect.width() / 2.f) - mScreenBounds.left;
-    state.lightPos.y -= mScreenBounds.top;
-
-    state.length = mEffectiveShadowRadius;
-
-    if (state.length > 0.f) {
-        const float casterAlpha = caster.alpha;
-        const bool casterIsOpaque =
-                ((caster.source.buffer.buffer != nullptr) && caster.source.buffer.isOpaque);
-
-        // If the casting layer is translucent, we need to fill in the shadow underneath the layer.
-        // Otherwise the generated shadow will only be shown around the casting layer.
-        state.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
-        state.ambientColor *= casterAlpha;
-        state.spotColor *= casterAlpha;
-
-        if (state.ambientColor.a > 0.f && state.spotColor.a > 0.f) {
-            caster.shadow = state;
-        }
-    }
-}
-
 bool Layer::findInHierarchy(const sp<Layer>& l) {
     if (l == this) {
         return true;
@@ -2012,7 +1922,7 @@ void Layer::commitChildList() {
                   zOrderRelativeOf->mName.c_str());
             ALOGE("Severing rel Z loop, potentially dangerous");
             mDrawingState.isRelativeOf = false;
-            zOrderRelativeOf->removeZOrderRelative(this);
+            zOrderRelativeOf->removeZOrderRelative(wp<Layer>::fromExisting(this));
         }
     }
 }
@@ -2020,9 +1930,10 @@ void Layer::commitChildList() {
 
 void Layer::setInputInfo(const WindowInfo& info) {
     mDrawingState.inputInfo = info;
-    mDrawingState.touchableRegionCrop = fromHandle(info.touchableRegionCropHandle.promote());
+    mDrawingState.touchableRegionCrop =
+            LayerHandle::getLayer(info.touchableRegionCropHandle.promote());
     mDrawingState.modified = true;
-    mFlinger->mInputInfoChanged = true;
+    mFlinger->mUpdateInputInfo = true;
     setTransactionFlags(eTransactionNeeded);
 }
 
@@ -2064,8 +1975,6 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo) {
     layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(getDataSpace())));
     layerInfo->set_queued_frames(getQueuedFrameCount());
     layerInfo->set_curr_frame(mCurrentFrameNumber);
-    layerInfo->set_effective_scaling_mode(getEffectiveScalingMode());
-
     layerInfo->set_requested_corner_radius(getDrawingState().cornerRadius);
     layerInfo->set_corner_radius(
             (getRoundedCornerState().radius.x + getRoundedCornerState().radius.y) / 2.0);
@@ -2114,7 +2023,7 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
         }
     }
 
-    LayerProtoHelper::writeToProto(state.activeTransparentRegion_legacy,
+    LayerProtoHelper::writeToProto(state.transparentRegionHint,
                                    [&]() { return layerInfo->mutable_transparent_region(); });
 
     layerInfo->set_layer_stack(getLayerStack().id);
@@ -2124,9 +2033,6 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
         return layerInfo->mutable_requested_position();
     });
 
-    LayerProtoHelper::writeSizeToProto(state.width, state.height,
-                                       [&]() { return layerInfo->mutable_size(); });
-
     LayerProtoHelper::writeToProto(state.crop, [&]() { return layerInfo->mutable_crop(); });
 
     layerInfo->set_is_opaque(isOpaque(state));
@@ -2186,14 +2092,6 @@ bool Layer::isRemovedFromCurrentState() const  {
     return mRemovedFromDrawingState;
 }
 
-ui::Transform Layer::getInputTransform() const {
-    return getTransform();
-}
-
-Rect Layer::getInputBounds() const {
-    return getCroppedBufferSize(getDrawingState());
-}
-
 // Applies the given transform to the region, while protecting against overflows caused by any
 // offsets. If applying the offset in the transform to any of the Rects in the region would result
 // in an overflow, they are not added to the output Region.
@@ -2292,7 +2190,7 @@ void Layer::fillInputFrameInfo(WindowInfo& info, const ui::Transform& screenToDi
 }
 
 void Layer::fillTouchOcclusionMode(WindowInfo& info) {
-    sp<Layer> p = this;
+    sp<Layer> p = sp<Layer>::fromExisting(this);
     while (p != nullptr && !p->hasInputInfo()) {
         p = p->mDrawingParent.promote();
     }
@@ -2432,7 +2330,7 @@ WindowInfo Layer::fillInputInfo(const InputDisplayArgs& displayArgs) {
     // If the layer is a clone, we need to crop the input region to cloned root to prevent
     // touches from going outside the cloned area.
     if (isClone()) {
-        info.isClone = true;
+        info.inputConfig |= WindowInfo::InputConfig::CLONE;
         if (const sp<Layer> clonedRoot = getClonedRoot()) {
             const Rect rect = displayTransform.transform(Rect{clonedRoot->mScreenBounds});
             info.touchableRegion = info.touchableRegion.intersect(rect);
@@ -2444,7 +2342,7 @@ WindowInfo Layer::fillInputInfo(const InputDisplayArgs& displayArgs) {
 
 sp<Layer> Layer::getClonedRoot() {
     if (mClonedChild != nullptr) {
-        return this;
+        return sp<Layer>::fromExisting(this);
     }
     if (mDrawingParent == nullptr || mDrawingParent.promote() == nullptr) {
         return nullptr;
@@ -2457,10 +2355,6 @@ bool Layer::hasInputInfo() const {
             mDrawingState.inputInfo.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL);
 }
 
-bool Layer::canReceiveInput() const {
-    return !isHiddenByPolicy();
-}
-
 compositionengine::OutputLayer* Layer::findOutputLayerForDisplay(
         const DisplayDevice* display) const {
     if (!display) return nullptr;
@@ -2475,6 +2369,40 @@ Region Layer::getVisibleRegion(const DisplayDevice* display) const {
 void Layer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
     cloneDrawingState(clonedFrom.get());
     mClonedFrom = clonedFrom;
+    mPremultipliedAlpha = clonedFrom->mPremultipliedAlpha;
+    mPotentialCursor = clonedFrom->mPotentialCursor;
+    mProtectedByApp = clonedFrom->mProtectedByApp;
+    updateCloneBufferInfo();
+}
+
+void Layer::updateCloneBufferInfo() {
+    if (!isClone() || !isClonedFromAlive()) {
+        return;
+    }
+
+    sp<Layer> clonedFrom = getClonedFrom();
+    mBufferInfo = clonedFrom->mBufferInfo;
+    mSidebandStream = clonedFrom->mSidebandStream;
+    surfaceDamageRegion = clonedFrom->surfaceDamageRegion;
+    mCurrentFrameNumber = clonedFrom->mCurrentFrameNumber.load();
+    mPreviousFrameNumber = clonedFrom->mPreviousFrameNumber;
+
+    // After buffer info is updated, the drawingState from the real layer needs to be copied into
+    // the cloned. This is because some properties of drawingState can change when latchBuffer is
+    // called. However, copying the drawingState would also overwrite the cloned layer's relatives
+    // and touchableRegionCrop. Therefore, temporarily store the relatives so they can be set in
+    // the cloned drawingState again.
+    wp<Layer> tmpZOrderRelativeOf = mDrawingState.zOrderRelativeOf;
+    SortedVector<wp<Layer>> tmpZOrderRelatives = mDrawingState.zOrderRelatives;
+    wp<Layer> tmpTouchableRegionCrop = mDrawingState.touchableRegionCrop;
+    WindowInfo tmpInputInfo = mDrawingState.inputInfo;
+
+    cloneDrawingState(clonedFrom.get());
+
+    mDrawingState.touchableRegionCrop = tmpTouchableRegionCrop;
+    mDrawingState.zOrderRelativeOf = tmpZOrderRelativeOf;
+    mDrawingState.zOrderRelatives = tmpZOrderRelatives;
+    mDrawingState.inputInfo = tmpInputInfo;
 }
 
 void Layer::updateMirrorInfo() {
@@ -2498,7 +2426,7 @@ void Layer::updateMirrorInfo() {
     }
 
     mClonedChild->updateClonedDrawingState(clonedLayersMap);
-    mClonedChild->updateClonedChildren(this, clonedLayersMap);
+    mClonedChild->updateClonedChildren(sp<Layer>::fromExisting(this), clonedLayersMap);
     mClonedChild->updateClonedRelatives(clonedLayersMap);
 }
 
@@ -2509,7 +2437,7 @@ void Layer::updateClonedDrawingState(std::map<sp<Layer>, sp<Layer>>& clonedLayer
     if (isClonedFromAlive()) {
         sp<Layer> clonedFrom = getClonedFrom();
         cloneDrawingState(clonedFrom.get());
-        clonedLayersMap.emplace(clonedFrom, this);
+        clonedLayersMap.emplace(clonedFrom, sp<Layer>::fromExisting(this));
     }
 
     // The clone layer may have children in drawingState since they may have been created and
@@ -2553,7 +2481,7 @@ void Layer::updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLa
         if (clonedLayersMap.count(cropLayer) == 0) {
             // Real layer had a crop layer but it's not in the cloned hierarchy. Just set to
             // self as crop layer to avoid going outside bounds.
-            mDrawingState.touchableRegionCrop = this;
+            mDrawingState.touchableRegionCrop = wp<Layer>::fromExisting(this);
         } else {
             const sp<Layer>& clonedCropLayer = clonedLayersMap.at(cropLayer);
             mDrawingState.touchableRegionCrop = clonedCropLayer;
@@ -2565,7 +2493,7 @@ void Layer::updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLa
 }
 
 void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
-    mDrawingState.zOrderRelativeOf = nullptr;
+    mDrawingState.zOrderRelativeOf = wp<Layer>();
     mDrawingState.zOrderRelatives.clear();
 
     if (!isClonedFromAlive()) {
@@ -2601,7 +2529,7 @@ void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLa
 
 void Layer::addChildToDrawing(const sp<Layer>& layer) {
     mDrawingChildren.add(layer);
-    layer->mDrawingParent = this;
+    layer->mDrawingParent = sp<Layer>::fromExisting(this);
 }
 
 Layer::FrameRateCompatibility Layer::FrameRate::convertCompatibility(int8_t compatibility) {
@@ -2612,6 +2540,8 @@ Layer::FrameRateCompatibility Layer::FrameRate::convertCompatibility(int8_t comp
             return FrameRateCompatibility::ExactOrMultiple;
         case ANATIVEWINDOW_FRAME_RATE_EXACT:
             return FrameRateCompatibility::Exact;
+        case ANATIVEWINDOW_FRAME_RATE_MIN:
+            return FrameRateCompatibility::Min;
         case ANATIVEWINDOW_FRAME_RATE_NO_VOTE:
             return FrameRateCompatibility::NoVote;
         default:
@@ -2648,23 +2578,6 @@ void Layer::setClonedChild(const sp<Layer>& clonedChild) {
     mFlinger->mNumClones++;
 }
 
-const String16 Layer::Handle::kDescriptor = String16("android.Layer.Handle");
-
-wp<Layer> Layer::fromHandle(const sp<IBinder>& handleBinder) {
-    if (handleBinder == nullptr) {
-        return nullptr;
-    }
-
-    BBinder* b = handleBinder->localBinder();
-    if (b == nullptr || b->getInterfaceDescriptor() != Handle::kDescriptor) {
-        return nullptr;
-    }
-
-    // We can safely cast this binder since its local and we verified its interface descriptor.
-    sp<Handle> handle = static_cast<Handle*>(handleBinder.get());
-    return handle->owner;
-}
-
 bool Layer::setDropInputMode(gui::DropInputMode mode) {
     if (mDrawingState.dropInputMode == mode) {
         return false;
@@ -2680,18 +2593,1401 @@ void Layer::cloneDrawingState(const Layer* from) {
     mDrawingState.callbackHandles = {};
 }
 
+void Layer::callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
+                                      const sp<GraphicBuffer>& buffer, uint64_t framenumber,
+                                      const sp<Fence>& releaseFence,
+                                      uint32_t currentMaxAcquiredBufferCount) {
+    if (!listener) {
+        return;
+    }
+    ATRACE_FORMAT_INSTANT("callReleaseBufferCallback %s - %" PRIu64, getDebugName(), framenumber);
+    std::optional<os::ParcelFileDescriptor> fenceFd;
+    if (releaseFence) {
+        fenceFd = os::ParcelFileDescriptor(base::unique_fd(::dup(releaseFence->get())));
+    }
+    listener->onReleaseBuffer({buffer->getId(), framenumber}, fenceFd,
+                              static_cast<int32_t>(currentMaxAcquiredBufferCount));
+}
+
+void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
+    // If we are displayed on multiple displays in a single composition cycle then we would
+    // need to do careful tracking to enable the use of the mLastClientCompositionFence.
+    //  For example we can only use it if all the displays are client comp, and we need
+    //  to merge all the client comp fences. We could do this, but for now we just
+    // disable the optimization when a layer is composed on multiple displays.
+    if (mClearClientCompositionFenceOnLayerDisplayed) {
+        mLastClientCompositionFence = nullptr;
+    } else {
+        mClearClientCompositionFenceOnLayerDisplayed = true;
+    }
+
+    // The previous release fence notifies the client that SurfaceFlinger is done with the previous
+    // buffer that was presented on this layer. The first transaction that came in this frame that
+    // replaced the previous buffer on this layer needs this release fence, because the fence will
+    // let the client know when that previous buffer is removed from the screen.
+    //
+    // Every other transaction on this layer does not need a release fence because no other
+    // Transactions that were set on this layer this frame are going to have their preceding buffer
+    // removed from the display this frame.
+    //
+    // For example, if we have 3 transactions this frame. The first transaction doesn't contain a
+    // buffer so it doesn't need a previous release fence because the layer still needs the previous
+    // buffer. The second transaction contains a buffer so it needs a previous release fence because
+    // the previous buffer will be released this frame. The third transaction also contains a
+    // buffer. It replaces the buffer in the second transaction. The buffer in the second
+    // transaction will now no longer be presented so it is released immediately and the third
+    // transaction doesn't need a previous release fence.
+    sp<CallbackHandle> ch;
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->releasePreviousBuffer &&
+            mDrawingState.releaseBufferEndpoint == handle->listener) {
+            ch = handle;
+            break;
+        }
+    }
+
+    // Prevent tracing the same release multiple times.
+    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
+        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
+    }
+
+    if (ch != nullptr) {
+        ch->previousReleaseCallbackId = mPreviousReleaseCallbackId;
+        ch->previousReleaseFences.emplace_back(std::move(futureFenceResult));
+        ch->name = mName;
+    }
+}
+
+void Layer::onSurfaceFrameCreated(
+        const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame) {
+    if (!hasBufferOrSidebandStreamInDrawing()) {
+        return;
+    }
+
+    while (mPendingJankClassifications.size() >= kPendingClassificationMaxSurfaceFrames) {
+        // Too many SurfaceFrames pending classification. The front of the deque is probably not
+        // tracked by FrameTimeline and will never be presented. This will only result in a memory
+        // leak.
+        ALOGW("Removing the front of pending jank deque from layer - %s to prevent memory leak",
+              mName.c_str());
+        std::string miniDump = mPendingJankClassifications.front()->miniDump();
+        ALOGD("Head SurfaceFrame mini dump\n%s", miniDump.c_str());
+        mPendingJankClassifications.pop_front();
+    }
+    mPendingJankClassifications.emplace_back(surfaceFrame);
+}
+
+void Layer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->transformHint = mSkipReportingTransformHint
+                ? std::nullopt
+                : std::make_optional<uint32_t>(mTransformHint);
+        handle->dequeueReadyTime = dequeueReadyTime;
+        handle->currentMaxAcquiredBufferCount =
+                mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mOwnerUid);
+        ATRACE_FORMAT_INSTANT("releasePendingBuffer %s - %" PRIu64, getDebugName(),
+                              handle->previousReleaseCallbackId.framenumber);
+    }
+
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->releasePreviousBuffer &&
+            mDrawingState.releaseBufferEndpoint == handle->listener) {
+            handle->previousReleaseCallbackId = mPreviousReleaseCallbackId;
+            break;
+        }
+    }
+
+    std::vector<JankData> jankData;
+    jankData.reserve(mPendingJankClassifications.size());
+    while (!mPendingJankClassifications.empty() &&
+           mPendingJankClassifications.front()->getJankType()) {
+        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame =
+                mPendingJankClassifications.front();
+        mPendingJankClassifications.pop_front();
+        jankData.emplace_back(
+                JankData(surfaceFrame->getToken(), surfaceFrame->getJankType().value()));
+    }
+
+    mFlinger->getTransactionCallbackInvoker().addCallbackHandles(mDrawingState.callbackHandles,
+                                                                 jankData);
+    mDrawingState.callbackHandles = {};
+}
+
+bool Layer::willPresentCurrentTransaction() const {
+    // Returns true if the most recent Transaction applied to CurrentState will be presented.
+    return (getSidebandStreamChanged() || getAutoRefresh() ||
+            (mDrawingState.modified &&
+             (mDrawingState.buffer != nullptr || mDrawingState.bgColorLayer != nullptr)));
+}
+
+bool Layer::setTransform(uint32_t transform) {
+    if (mDrawingState.bufferTransform == transform) return false;
+    mDrawingState.bufferTransform = transform;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setTransformToDisplayInverse(bool transformToDisplayInverse) {
+    if (mDrawingState.transformToDisplayInverse == transformToDisplayInverse) return false;
+    mDrawingState.sequence++;
+    mDrawingState.transformToDisplayInverse = transformToDisplayInverse;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setBufferCrop(const Rect& bufferCrop) {
+    if (mDrawingState.bufferCrop == bufferCrop) return false;
+
+    mDrawingState.sequence++;
+    mDrawingState.bufferCrop = bufferCrop;
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setDestinationFrame(const Rect& destinationFrame) {
+    if (mDrawingState.destinationFrame == destinationFrame) return false;
+
+    mDrawingState.sequence++;
+    mDrawingState.destinationFrame = destinationFrame;
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+// Translate destination frame into scale and position. If a destination frame is not set, use the
+// provided scale and position
+bool Layer::updateGeometry() {
+    if ((mDrawingState.flags & layer_state_t::eIgnoreDestinationFrame) ||
+        mDrawingState.destinationFrame.isEmpty()) {
+        // If destination frame is not set, use the requested transform set via
+        // Layer::setPosition and Layer::setMatrix.
+        return assignTransform(&mDrawingState.transform, mRequestedTransform);
+    }
+
+    Rect destRect = mDrawingState.destinationFrame;
+    int32_t destW = destRect.width();
+    int32_t destH = destRect.height();
+    if (destRect.left < 0) {
+        destRect.left = 0;
+        destRect.right = destW;
+    }
+    if (destRect.top < 0) {
+        destRect.top = 0;
+        destRect.bottom = destH;
+    }
+
+    if (!mDrawingState.buffer) {
+        ui::Transform t;
+        t.set(destRect.left, destRect.top);
+        return assignTransform(&mDrawingState.transform, t);
+    }
+
+    uint32_t bufferWidth = mDrawingState.buffer->getWidth();
+    uint32_t bufferHeight = mDrawingState.buffer->getHeight();
+    // Undo any transformations on the buffer.
+    if (mDrawingState.bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+    uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+    if (mDrawingState.transformToDisplayInverse) {
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    float sx = destW / static_cast<float>(bufferWidth);
+    float sy = destH / static_cast<float>(bufferHeight);
+    ui::Transform t;
+    t.set(sx, 0, 0, sy);
+    t.set(destRect.left, destRect.top);
+    return assignTransform(&mDrawingState.transform, t);
+}
+
+bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
+    if (mRequestedTransform.dsdx() == matrix.dsdx && mRequestedTransform.dtdy() == matrix.dtdy &&
+        mRequestedTransform.dtdx() == matrix.dtdx && mRequestedTransform.dsdy() == matrix.dsdy) {
+        return false;
+    }
+
+    mRequestedTransform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
+
+    mDrawingState.sequence++;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    return true;
+}
+
+bool Layer::setPosition(float x, float y) {
+    if (mRequestedTransform.tx() == x && mRequestedTransform.ty() == y) {
+        return false;
+    }
+
+    mRequestedTransform.set(x, y);
+
+    mDrawingState.sequence++;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    return true;
+}
+
+bool Layer::setBuffer(std::shared_ptr<renderengine::ExternalTexture>& buffer,
+                      const BufferData& bufferData, nsecs_t postTime, nsecs_t desiredPresentTime,
+                      bool isAutoTimestamp, std::optional<nsecs_t> dequeueTime,
+                      const FrameTimelineInfo& info) {
+    ATRACE_FORMAT("setBuffer %s - hasBuffer=%s", getDebugName(), (buffer ? "true" : "false"));
+    if (!buffer) {
+        return false;
+    }
+
+    const bool frameNumberChanged =
+            bufferData.flags.test(BufferData::BufferDataChange::frameNumberChanged);
+    const uint64_t frameNumber =
+            frameNumberChanged ? bufferData.frameNumber : mDrawingState.frameNumber + 1;
+    ATRACE_FORMAT_INSTANT("setBuffer %s - %" PRIu64, getDebugName(), frameNumber);
+
+    if (mDrawingState.buffer) {
+        mReleasePreviousBuffer = true;
+        if (!mBufferInfo.mBuffer ||
+            (!mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer) ||
+             mDrawingState.frameNumber != mBufferInfo.mFrameNumber)) {
+            // If mDrawingState has a buffer, and we are about to update again
+            // before swapping to drawing state, then the first buffer will be
+            // dropped and we should decrement the pending buffer count and
+            // call any release buffer callbacks if set.
+            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
+                                      mDrawingState.acquireFence,
+                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                              mOwnerUid));
+            decrementPendingBufferCount();
+            if (mDrawingState.bufferSurfaceFrameTX != nullptr &&
+                mDrawingState.bufferSurfaceFrameTX->getPresentState() != PresentState::Presented) {
+                addSurfaceFrameDroppedForBuffer(mDrawingState.bufferSurfaceFrameTX);
+                mDrawingState.bufferSurfaceFrameTX.reset();
+            }
+        } else if (EARLY_RELEASE_ENABLED && mLastClientCompositionFence != nullptr) {
+            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
+                                      mLastClientCompositionFence,
+                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                              mOwnerUid));
+            mLastClientCompositionFence = nullptr;
+        }
+    }
+
+    mDrawingState.frameNumber = frameNumber;
+    mDrawingState.releaseBufferListener = bufferData.releaseBufferListener;
+    mDrawingState.buffer = std::move(buffer);
+    mDrawingState.clientCacheId = bufferData.cachedBuffer;
+    mDrawingState.acquireFence = bufferData.flags.test(BufferData::BufferDataChange::fenceChanged)
+            ? bufferData.acquireFence
+            : Fence::NO_FENCE;
+    mDrawingState.acquireFenceTime = std::make_unique<FenceTime>(mDrawingState.acquireFence);
+    if (mDrawingState.acquireFenceTime->getSignalTime() == Fence::SIGNAL_TIME_PENDING) {
+        // We latched this buffer unsiganled, so we need to pass the acquire fence
+        // on the callback instead of just the acquire time, since it's unknown at
+        // this point.
+        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFence;
+    } else {
+        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFenceTime->getSignalTime();
+    }
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->setPostTime(layerId, mDrawingState.frameNumber, getName().c_str(),
+                                      mOwnerUid, postTime, getGameMode());
+    mDrawingState.desiredPresentTime = desiredPresentTime;
+    mDrawingState.isAutoTimestamp = isAutoTimestamp;
+
+    const nsecs_t presentTime = [&] {
+        if (!isAutoTimestamp) return desiredPresentTime;
+
+        const auto prediction =
+                mFlinger->mFrameTimeline->getTokenManager()->getPredictionsForToken(info.vsyncId);
+        if (prediction.has_value()) return prediction->presentTime;
+
+        return static_cast<nsecs_t>(0);
+    }();
+
+    using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
+    mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
+
+    setFrameTimelineVsyncForBufferTransaction(info, postTime);
+
+    if (dequeueTime && *dequeueTime != 0) {
+        const uint64_t bufferId = mDrawingState.buffer->getId();
+        mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
+        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, *dequeueTime,
+                                               FrameTracer::FrameEvent::DEQUEUE);
+        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, postTime,
+                                               FrameTracer::FrameEvent::QUEUE);
+    }
+
+    mDrawingState.releaseBufferEndpoint = bufferData.releaseBufferEndpoint;
+    return true;
+}
+
+bool Layer::setDataspace(ui::Dataspace dataspace) {
+    mDrawingState.dataspaceRequested = true;
+    if (mDrawingState.dataspace == dataspace) return false;
+    mDrawingState.dataspace = dataspace;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setHdrMetadata(const HdrMetadata& hdrMetadata) {
+    if (mDrawingState.hdrMetadata == hdrMetadata) return false;
+    mDrawingState.hdrMetadata = hdrMetadata;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setSurfaceDamageRegion(const Region& surfaceDamage) {
+    mDrawingState.surfaceDamageRegion = surfaceDamage;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setApi(int32_t api) {
+    if (mDrawingState.api == api) return false;
+    mDrawingState.api = api;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setSidebandStream(const sp<NativeHandle>& sidebandStream) {
+    if (mDrawingState.sidebandStream == sidebandStream) return false;
+
+    if (mDrawingState.sidebandStream != nullptr && sidebandStream == nullptr) {
+        mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
+    } else if (sidebandStream != nullptr) {
+        mFlinger->mTunnelModeEnabledReporter->incrementTunnelModeCount();
+    }
+
+    mDrawingState.sidebandStream = sidebandStream;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    if (!mSidebandStreamChanged.exchange(true)) {
+        // mSidebandStreamChanged was false
+        mFlinger->onLayerUpdate();
+    }
+    return true;
+}
+
 bool Layer::setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) {
+    // If there is no handle, we will not send a callback so reset mReleasePreviousBuffer and return
     if (handles.empty()) {
+        mReleasePreviousBuffer = false;
         return false;
     }
 
+    const bool willPresent = willPresentCurrentTransaction();
+
     for (const auto& handle : handles) {
-        mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
+        // If this transaction set a buffer on this layer, release its previous buffer
+        handle->releasePreviousBuffer = mReleasePreviousBuffer;
+
+        // If this layer will be presented in this frame
+        if (willPresent) {
+            // If this transaction set an acquire fence on this layer, set its acquire time
+            handle->acquireTimeOrFence = mCallbackHandleAcquireTimeOrFence;
+            handle->frameNumber = mDrawingState.frameNumber;
+
+            // Store so latched time and release fence can be set
+            mDrawingState.callbackHandles.push_back(handle);
+
+        } else { // If this layer will NOT need to be relatched and presented this frame
+            // Notify the transaction completed thread this handle is done
+            mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
+        }
+    }
+
+    mReleasePreviousBuffer = false;
+    mCallbackHandleAcquireTimeOrFence = -1;
+
+    return willPresent;
+}
+
+Rect Layer::getBufferSize(const State& /*s*/) const {
+    // for buffer state layers we use the display frame size as the buffer size.
+
+    if (mBufferInfo.mBuffer == nullptr) {
+        return Rect::INVALID_RECT;
+    }
+
+    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
+    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
+
+    // Undo any transformations on the buffer and return the result.
+    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
+        std::swap(bufWidth, bufHeight);
+    }
+
+    if (getTransformToDisplayInverse()) {
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufWidth, bufHeight);
+        }
+    }
+
+    return Rect(0, 0, static_cast<int32_t>(bufWidth), static_cast<int32_t>(bufHeight));
+}
+
+FloatRect Layer::computeSourceBounds(const FloatRect& parentBounds) const {
+    if (mBufferInfo.mBuffer == nullptr) {
+        return parentBounds;
+    }
+
+    return getBufferSize(getDrawingState()).toFloatRect();
+}
+
+bool Layer::fenceHasSignaled() const {
+    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
+        return true;
     }
 
+    const bool fenceSignaled =
+            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
+    if (!fenceSignaled) {
+        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
+                                                    TimeStats::LatchSkipReason::LateAcquire);
+    }
+
+    return fenceSignaled;
+}
+
+bool Layer::onPreComposition(nsecs_t refreshStartTime) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->refreshStartTime = refreshStartTime;
+    }
+    return hasReadyFrame();
+}
+
+void Layer::setAutoRefresh(bool autoRefresh) {
+    mDrawingState.autoRefresh = autoRefresh;
+}
+
+bool Layer::latchSidebandStream(bool& recomputeVisibleRegions) {
+    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
+    auto* snapshot = editLayerSnapshot();
+    snapshot->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
+
+    if (mSidebandStreamChanged.exchange(false)) {
+        const State& s(getDrawingState());
+        // mSidebandStreamChanged was true
+        mSidebandStream = s.sidebandStream;
+        snapshot->sidebandStream = mSidebandStream;
+        if (mSidebandStream != nullptr) {
+            setTransactionFlags(eTransactionNeeded);
+            mFlinger->setTransactionFlags(eTraversalNeeded);
+        }
+        recomputeVisibleRegions = true;
+
+        return true;
+    }
+    return false;
+}
+
+bool Layer::hasFrameUpdate() const {
+    const State& c(getDrawingState());
+    return (mDrawingStateModified || mDrawingState.modified) &&
+            (c.buffer != nullptr || c.bgColorLayer != nullptr);
+}
+
+void Layer::updateTexImage(nsecs_t latchTime) {
+    const State& s(getDrawingState());
+
+    if (!s.buffer) {
+        if (s.bgColorLayer) {
+            for (auto& handle : mDrawingState.callbackHandles) {
+                handle->latchTime = latchTime;
+            }
+        }
+        return;
+    }
+
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->frameNumber == mDrawingState.frameNumber) {
+            handle->latchTime = latchTime;
+        }
+    }
+
+    const int32_t layerId = getSequence();
+    const uint64_t bufferId = mDrawingState.buffer->getId();
+    const uint64_t frameNumber = mDrawingState.frameNumber;
+    const auto acquireFence = std::make_shared<FenceTime>(mDrawingState.acquireFence);
+    mFlinger->mTimeStats->setAcquireFence(layerId, frameNumber, acquireFence);
+    mFlinger->mTimeStats->setLatchTime(layerId, frameNumber, latchTime);
+
+    mFlinger->mFrameTracer->traceFence(layerId, bufferId, frameNumber, acquireFence,
+                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
+    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, latchTime,
+                                           FrameTracer::FrameEvent::LATCH);
+
+    auto& bufferSurfaceFrame = mDrawingState.bufferSurfaceFrameTX;
+    if (bufferSurfaceFrame != nullptr &&
+        bufferSurfaceFrame->getPresentState() != PresentState::Presented) {
+        // Update only if the bufferSurfaceFrame wasn't already presented. A Presented
+        // bufferSurfaceFrame could be seen here if a pending state was applied successfully and we
+        // are processing the next state.
+        addSurfaceFramePresentedForBuffer(bufferSurfaceFrame,
+                                          mDrawingState.acquireFenceTime->getSignalTime(),
+                                          latchTime);
+        mDrawingState.bufferSurfaceFrameTX.reset();
+    }
+
+    std::deque<sp<CallbackHandle>> remainingHandles;
+    mFlinger->getTransactionCallbackInvoker()
+            .addOnCommitCallbackHandles(mDrawingState.callbackHandles, remainingHandles);
+    mDrawingState.callbackHandles = remainingHandles;
+
+    mDrawingStateModified = false;
+}
+
+void Layer::gatherBufferInfo() {
+    if (!mBufferInfo.mBuffer || !mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer)) {
+        decrementPendingBufferCount();
+    }
+
+    mPreviousReleaseCallbackId = {getCurrentBufferId(), mBufferInfo.mFrameNumber};
+    mBufferInfo.mBuffer = mDrawingState.buffer;
+    mBufferInfo.mFence = mDrawingState.acquireFence;
+    mBufferInfo.mFrameNumber = mDrawingState.frameNumber;
+    mBufferInfo.mPixelFormat =
+            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->getPixelFormat();
+    mBufferInfo.mFrameLatencyNeeded = true;
+    mBufferInfo.mDesiredPresentTime = mDrawingState.desiredPresentTime;
+    mBufferInfo.mFenceTime = std::make_shared<FenceTime>(mDrawingState.acquireFence);
+    mBufferInfo.mFence = mDrawingState.acquireFence;
+    mBufferInfo.mTransform = mDrawingState.bufferTransform;
+    auto lastDataspace = mBufferInfo.mDataspace;
+    mBufferInfo.mDataspace = translateDataspace(mDrawingState.dataspace);
+    if (lastDataspace != mBufferInfo.mDataspace) {
+        mFlinger->mSomeDataspaceChanged = true;
+    }
+    mBufferInfo.mCrop = computeBufferCrop(mDrawingState);
+    mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
+    mBufferInfo.mSurfaceDamage = mDrawingState.surfaceDamageRegion;
+    mBufferInfo.mHdrMetadata = mDrawingState.hdrMetadata;
+    mBufferInfo.mApi = mDrawingState.api;
+    mBufferInfo.mTransformToDisplayInverse = mDrawingState.transformToDisplayInverse;
+}
+
+Rect Layer::computeBufferCrop(const State& s) {
+    if (s.buffer && !s.bufferCrop.isEmpty()) {
+        Rect bufferCrop;
+        s.buffer->getBounds().intersect(s.bufferCrop, &bufferCrop);
+        return bufferCrop;
+    } else if (s.buffer) {
+        return s.buffer->getBounds();
+    } else {
+        return s.bufferCrop;
+    }
+}
+
+sp<Layer> Layer::createClone() {
+    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
+    args.textureName = mTextureName;
+    sp<Layer> layer = mFlinger->getFactory().createBufferStateLayer(args);
+    layer->setInitialValuesForClone(sp<Layer>::fromExisting(this));
+    return layer;
+}
+
+bool Layer::bufferNeedsFiltering() const {
+    const State& s(getDrawingState());
+    if (!s.buffer) {
+        return false;
+    }
+
+    int32_t bufferWidth = static_cast<int32_t>(s.buffer->getWidth());
+    int32_t bufferHeight = static_cast<int32_t>(s.buffer->getHeight());
+
+    // Undo any transformations on the buffer and return the result.
+    if (s.bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+
+    if (s.transformToDisplayInverse) {
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    const Rect layerSize{getBounds()};
+    int32_t layerWidth = layerSize.getWidth();
+    int32_t layerHeight = layerSize.getHeight();
+
+    // Align the layer orientation with the buffer before comparism
+    if (mTransformHint & ui::Transform::ROT_90) {
+        std::swap(layerWidth, layerHeight);
+    }
+
+    return layerWidth != bufferWidth || layerHeight != bufferHeight;
+}
+
+void Layer::decrementPendingBufferCount() {
+    int32_t pendingBuffers = --mPendingBufferTransactions;
+    tracePendingBufferCount(pendingBuffers);
+}
+
+void Layer::tracePendingBufferCount(int32_t pendingBuffers) {
+    ATRACE_INT(mBlastTransactionName.c_str(), pendingBuffers);
+}
+
+/*
+ * We don't want to send the layer's transform to input, but rather the
+ * parent's transform. This is because Layer's transform is
+ * information about how the buffer is placed on screen. The parent's
+ * transform makes more sense to send since it's information about how the
+ * layer is placed on screen. This transform is used by input to determine
+ * how to go from screen space back to window space.
+ */
+ui::Transform Layer::getInputTransform() const {
+    if (!hasBufferOrSidebandStream()) {
+        return getTransform();
+    }
+    sp<Layer> parent = mDrawingParent.promote();
+    if (parent == nullptr) {
+        return ui::Transform();
+    }
+
+    return parent->getTransform();
+}
+
+/**
+ * Similar to getInputTransform, we need to update the bounds to include the transform.
+ * This is because bounds don't include the buffer transform, where the input assumes
+ * that's already included.
+ */
+Rect Layer::getInputBounds() const {
+    if (!hasBufferOrSidebandStream()) {
+        return getCroppedBufferSize(getDrawingState());
+    }
+
+    Rect bufferBounds = getCroppedBufferSize(getDrawingState());
+    if (mDrawingState.transform.getType() == ui::Transform::IDENTITY || !bufferBounds.isValid()) {
+        return bufferBounds;
+    }
+    return mDrawingState.transform.transform(bufferBounds);
+}
+
+bool Layer::simpleBufferUpdate(const layer_state_t& s) const {
+    const uint64_t requiredFlags = layer_state_t::eBufferChanged;
+
+    const uint64_t deniedFlags = layer_state_t::eProducerDisconnect | layer_state_t::eLayerChanged |
+            layer_state_t::eRelativeLayerChanged | layer_state_t::eTransparentRegionChanged |
+            layer_state_t::eFlagsChanged | layer_state_t::eBlurRegionsChanged |
+            layer_state_t::eLayerStackChanged | layer_state_t::eAutoRefreshChanged |
+            layer_state_t::eReparent;
+
+    const uint64_t allowedFlags = layer_state_t::eHasListenerCallbacksChanged |
+            layer_state_t::eFrameRateSelectionPriority | layer_state_t::eFrameRateChanged |
+            layer_state_t::eSurfaceDamageRegionChanged | layer_state_t::eApiChanged |
+            layer_state_t::eMetadataChanged | layer_state_t::eDropInputModeChanged |
+            layer_state_t::eInputInfoChanged;
+
+    if ((s.what & requiredFlags) != requiredFlags) {
+        ALOGV("%s: false [missing required flags 0x%" PRIx64 "]", __func__,
+              (s.what | requiredFlags) & ~s.what);
+        return false;
+    }
+
+    if (s.what & deniedFlags) {
+        ALOGV("%s: false [has denied flags 0x%" PRIx64 "]", __func__, s.what & deniedFlags);
+        return false;
+    }
+
+    if (s.what & allowedFlags) {
+        ALOGV("%s: [has allowed flags 0x%" PRIx64 "]", __func__, s.what & allowedFlags);
+    }
+
+    if (s.what & layer_state_t::ePositionChanged) {
+        if (mRequestedTransform.tx() != s.x || mRequestedTransform.ty() != s.y) {
+            ALOGV("%s: false [ePositionChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eAlphaChanged) {
+        if (mDrawingState.color.a != s.color.a) {
+            ALOGV("%s: false [eAlphaChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eColorTransformChanged) {
+        if (mDrawingState.colorTransform != s.colorTransform) {
+            ALOGV("%s: false [eColorTransformChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBackgroundColorChanged) {
+        if (mDrawingState.bgColorLayer || s.bgColorAlpha != 0) {
+            ALOGV("%s: false [eBackgroundColorChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eMatrixChanged) {
+        if (mRequestedTransform.dsdx() != s.matrix.dsdx ||
+            mRequestedTransform.dtdy() != s.matrix.dtdy ||
+            mRequestedTransform.dtdx() != s.matrix.dtdx ||
+            mRequestedTransform.dsdy() != s.matrix.dsdy) {
+            ALOGV("%s: false [eMatrixChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eCornerRadiusChanged) {
+        if (mDrawingState.cornerRadius != s.cornerRadius) {
+            ALOGV("%s: false [eCornerRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBackgroundBlurRadiusChanged) {
+        if (mDrawingState.backgroundBlurRadius != static_cast<int>(s.backgroundBlurRadius)) {
+            ALOGV("%s: false [eBackgroundBlurRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBufferTransformChanged) {
+        if (mDrawingState.bufferTransform != s.bufferTransform) {
+            ALOGV("%s: false [eBufferTransformChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eTransformToDisplayInverseChanged) {
+        if (mDrawingState.transformToDisplayInverse != s.transformToDisplayInverse) {
+            ALOGV("%s: false [eTransformToDisplayInverseChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eCropChanged) {
+        if (mDrawingState.crop != s.crop) {
+            ALOGV("%s: false [eCropChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDataspaceChanged) {
+        if (mDrawingState.dataspace != s.dataspace) {
+            ALOGV("%s: false [eDataspaceChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eHdrMetadataChanged) {
+        if (mDrawingState.hdrMetadata != s.hdrMetadata) {
+            ALOGV("%s: false [eHdrMetadataChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eSidebandStreamChanged) {
+        if (mDrawingState.sidebandStream != s.sidebandStream) {
+            ALOGV("%s: false [eSidebandStreamChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eColorSpaceAgnosticChanged) {
+        if (mDrawingState.colorSpaceAgnostic != s.colorSpaceAgnostic) {
+            ALOGV("%s: false [eColorSpaceAgnosticChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eShadowRadiusChanged) {
+        if (mDrawingState.shadowRadius != s.shadowRadius) {
+            ALOGV("%s: false [eShadowRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eFixedTransformHintChanged) {
+        if (mDrawingState.fixedTransformHint != s.fixedTransformHint) {
+            ALOGV("%s: false [eFixedTransformHintChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eTrustedOverlayChanged) {
+        if (mDrawingState.isTrustedOverlay != s.isTrustedOverlay) {
+            ALOGV("%s: false [eTrustedOverlayChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eStretchChanged) {
+        StretchEffect temp = s.stretchEffect;
+        temp.sanitize();
+        if (mDrawingState.stretchEffect != temp) {
+            ALOGV("%s: false [eStretchChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBufferCropChanged) {
+        if (mDrawingState.bufferCrop != s.bufferCrop) {
+            ALOGV("%s: false [eBufferCropChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDestinationFrameChanged) {
+        if (mDrawingState.destinationFrame != s.destinationFrame) {
+            ALOGV("%s: false [eDestinationFrameChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDimmingEnabledChanged) {
+        if (mDrawingState.dimmingEnabled != s.dimmingEnabled) {
+            ALOGV("%s: false [eDimmingEnabledChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    ALOGV("%s: true", __func__);
     return true;
 }
 
+bool Layer::isHdrY410() const {
+    // pixel format is HDR Y410 masquerading as RGBA_1010102
+    return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
+            mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
+            mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
+}
+
+sp<LayerFE> Layer::getCompositionEngineLayerFE() const {
+    // There's no need to get a CE Layer if the layer isn't going to draw anything.
+    return hasSomethingToDraw() ? mLayerFE : nullptr;
+}
+
+const LayerSnapshot* Layer::getLayerSnapshot() const {
+    return mSnapshot.get();
+}
+
+LayerSnapshot* Layer::editLayerSnapshot() {
+    return mSnapshot.get();
+}
+
+const compositionengine::LayerFECompositionState* Layer::getCompositionState() const {
+    return mSnapshot.get();
+}
+
+sp<LayerFE> Layer::copyCompositionEngineLayerFE() const {
+    auto result = mFlinger->getFactory().createLayerFE(mLayerFE->getDebugName());
+    result->mSnapshot = std::make_unique<LayerSnapshot>(*mSnapshot);
+    return result;
+}
+
+void Layer::useSurfaceDamage() {
+    if (mFlinger->mForceFullDamage) {
+        surfaceDamageRegion = Region::INVALID_REGION;
+    } else {
+        surfaceDamageRegion = mBufferInfo.mSurfaceDamage;
+    }
+}
+
+void Layer::useEmptyDamage() {
+    surfaceDamageRegion.clear();
+}
+
+bool Layer::isOpaque(const Layer::State& s) const {
+    // if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
+    // layer's opaque flag.
+    if (!hasSomethingToDraw()) {
+        return false;
+    }
+
+    // if the layer has the opaque flag, then we're always opaque
+    if ((s.flags & layer_state_t::eLayerOpaque) == layer_state_t::eLayerOpaque) {
+        return true;
+    }
+
+    // If the buffer has no alpha channel, then we are opaque
+    if (hasBufferOrSidebandStream() && isOpaqueFormat(getPixelFormat())) {
+        return true;
+    }
+
+    // Lastly consider the layer opaque if drawing a color with alpha == 1.0
+    return fillsColor() && getAlpha() == 1.0_hf;
+}
+
+bool Layer::canReceiveInput() const {
+    return !isHiddenByPolicy() && (mBufferInfo.mBuffer == nullptr || getAlpha() > 0.0f);
+}
+
+bool Layer::isVisible() const {
+    if (!hasSomethingToDraw()) {
+        return false;
+    }
+
+    if (isHiddenByPolicy()) {
+        return false;
+    }
+
+    return getAlpha() > 0.0f || hasBlur();
+}
+
+void Layer::onPostComposition(const DisplayDevice* display,
+                              const std::shared_ptr<FenceTime>& glDoneFence,
+                              const std::shared_ptr<FenceTime>& presentFence,
+                              const CompositorTiming& compositorTiming) {
+    // mFrameLatencyNeeded is true when a new frame was latched for the
+    // composition.
+    if (!mBufferInfo.mFrameLatencyNeeded) return;
+
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->gpuCompositionDoneFence = glDoneFence;
+        handle->compositorTiming = compositorTiming;
+    }
+
+    // Update mFrameTracker.
+    nsecs_t desiredPresentTime = mBufferInfo.mDesiredPresentTime;
+    mFrameTracker.setDesiredPresentTime(desiredPresentTime);
+
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->setDesiredTime(layerId, mCurrentFrameNumber, desiredPresentTime);
+
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer && outputLayer->requiresClientComposition()) {
+        nsecs_t clientCompositionTimestamp = outputLayer->getState().clientCompositionTimestamp;
+        mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(), mCurrentFrameNumber,
+                                               clientCompositionTimestamp,
+                                               FrameTracer::FrameEvent::FALLBACK_COMPOSITION);
+        // Update the SurfaceFrames in the drawing state
+        if (mDrawingState.bufferSurfaceFrameTX) {
+            mDrawingState.bufferSurfaceFrameTX->setGpuComposition();
+        }
+        for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
+            surfaceFrame->setGpuComposition();
+        }
+    }
+
+    std::shared_ptr<FenceTime> frameReadyFence = mBufferInfo.mFenceTime;
+    if (frameReadyFence->isValid()) {
+        mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));
+    } else {
+        // There was no fence for this frame, so assume that it was ready
+        // to be presented at the desired present time.
+        mFrameTracker.setFrameReadyTime(desiredPresentTime);
+    }
+
+    if (display) {
+        const Fps refreshRate = display->refreshRateSelector().getActiveMode().fps;
+        const std::optional<Fps> renderRate =
+                mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
+
+        const auto vote = frameRateToSetFrameRateVotePayload(mDrawingState.frameRate);
+        const auto gameMode = getGameMode();
+
+        if (presentFence->isValid()) {
+            mFlinger->mTimeStats->setPresentFence(layerId, mCurrentFrameNumber, presentFence,
+                                                  refreshRate, renderRate, vote, gameMode);
+            mFlinger->mFrameTracer->traceFence(layerId, getCurrentBufferId(), mCurrentFrameNumber,
+                                               presentFence,
+                                               FrameTracer::FrameEvent::PRESENT_FENCE);
+            mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));
+        } else if (const auto displayId = PhysicalDisplayId::tryCast(display->getId());
+                   displayId && mFlinger->getHwComposer().isConnected(*displayId)) {
+            // The HWC doesn't support present fences, so use the present timestamp instead.
+            const nsecs_t presentTimestamp =
+                    mFlinger->getHwComposer().getPresentTimestamp(*displayId);
+
+            const nsecs_t now = systemTime(CLOCK_MONOTONIC);
+            const nsecs_t vsyncPeriod = display->getVsyncPeriodFromHWC();
+            const nsecs_t actualPresentTime = now - ((now - presentTimestamp) % vsyncPeriod);
+
+            mFlinger->mTimeStats->setPresentTime(layerId, mCurrentFrameNumber, actualPresentTime,
+                                                 refreshRate, renderRate, vote, gameMode);
+            mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(),
+                                                   mCurrentFrameNumber, actualPresentTime,
+                                                   FrameTracer::FrameEvent::PRESENT_FENCE);
+            mFrameTracker.setActualPresentTime(actualPresentTime);
+        }
+    }
+
+    mFrameTracker.advanceFrame();
+    mBufferInfo.mFrameLatencyNeeded = false;
+}
+
+bool Layer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime) {
+    ATRACE_FORMAT_INSTANT("latchBuffer %s - %" PRIu64, getDebugName(),
+                          getDrawingState().frameNumber);
+
+    bool refreshRequired = latchSidebandStream(recomputeVisibleRegions);
+
+    if (refreshRequired) {
+        return refreshRequired;
+    }
+
+    // If the head buffer's acquire fence hasn't signaled yet, return and
+    // try again later
+    if (!fenceHasSignaled()) {
+        ATRACE_NAME("!fenceHasSignaled()");
+        mFlinger->onLayerUpdate();
+        return false;
+    }
+
+    updateTexImage(latchTime);
+    if (mDrawingState.buffer == nullptr) {
+        return false;
+    }
+
+    // Capture the old state of the layer for comparisons later
+    BufferInfo oldBufferInfo = mBufferInfo;
+    const bool oldOpacity = isOpaque(mDrawingState);
+    mPreviousFrameNumber = mCurrentFrameNumber;
+    mCurrentFrameNumber = mDrawingState.frameNumber;
+    gatherBufferInfo();
+
+    if (oldBufferInfo.mBuffer == nullptr) {
+        // the first time we receive a buffer, we need to trigger a
+        // geometry invalidation.
+        recomputeVisibleRegions = true;
+    }
+
+    if ((mBufferInfo.mCrop != oldBufferInfo.mCrop) ||
+        (mBufferInfo.mTransform != oldBufferInfo.mTransform) ||
+        (mBufferInfo.mScaleMode != oldBufferInfo.mScaleMode) ||
+        (mBufferInfo.mTransformToDisplayInverse != oldBufferInfo.mTransformToDisplayInverse)) {
+        recomputeVisibleRegions = true;
+    }
+
+    if (oldBufferInfo.mBuffer != nullptr) {
+        uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
+        uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
+        if (bufWidth != oldBufferInfo.mBuffer->getWidth() ||
+            bufHeight != oldBufferInfo.mBuffer->getHeight()) {
+            recomputeVisibleRegions = true;
+        }
+    }
+
+    if (oldOpacity != isOpaque(mDrawingState)) {
+        recomputeVisibleRegions = true;
+    }
+
+    return true;
+}
+
+bool Layer::hasReadyFrame() const {
+    return hasFrameUpdate() || getSidebandStreamChanged() || getAutoRefresh();
+}
+
+bool Layer::isProtected() const {
+    return (mBufferInfo.mBuffer != nullptr) &&
+            (mBufferInfo.mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+}
+
+// As documented in libhardware header, formats in the range
+// 0x100 - 0x1FF are specific to the HAL implementation, and
+// are known to have no alpha channel
+// TODO: move definition for device-specific range into
+// hardware.h, instead of using hard-coded values here.
+#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
+
+bool Layer::isOpaqueFormat(PixelFormat format) {
+    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
+        return true;
+    }
+    switch (format) {
+        case PIXEL_FORMAT_RGBA_8888:
+        case PIXEL_FORMAT_BGRA_8888:
+        case PIXEL_FORMAT_RGBA_FP16:
+        case PIXEL_FORMAT_RGBA_1010102:
+        case PIXEL_FORMAT_R_8:
+            return false;
+    }
+    // in all other case, we have no blending (also for unknown formats)
+    return true;
+}
+
+bool Layer::needsFiltering(const DisplayDevice* display) const {
+    if (!hasBufferOrSidebandStream()) {
+        return false;
+    }
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer == nullptr) {
+        return false;
+    }
+
+    // We need filtering if the sourceCrop rectangle size does not match the
+    // displayframe rectangle size (not a 1:1 render)
+    const auto& compositionState = outputLayer->getState();
+    const auto displayFrame = compositionState.displayFrame;
+    const auto sourceCrop = compositionState.sourceCrop;
+    return sourceCrop.getHeight() != displayFrame.getHeight() ||
+            sourceCrop.getWidth() != displayFrame.getWidth();
+}
+
+bool Layer::needsFilteringForScreenshots(const DisplayDevice* display,
+                                         const ui::Transform& inverseParentTransform) const {
+    if (!hasBufferOrSidebandStream()) {
+        return false;
+    }
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer == nullptr) {
+        return false;
+    }
+
+    // We need filtering if the sourceCrop rectangle size does not match the
+    // viewport rectangle size (not a 1:1 render)
+    const auto& compositionState = outputLayer->getState();
+    const ui::Transform& displayTransform = display->getTransform();
+    const ui::Transform inverseTransform = inverseParentTransform * displayTransform.inverse();
+    // Undo the transformation of the displayFrame so that we're back into
+    // layer-stack space.
+    const Rect frame = inverseTransform.transform(compositionState.displayFrame);
+    const FloatRect sourceCrop = compositionState.sourceCrop;
+
+    int32_t frameHeight = frame.getHeight();
+    int32_t frameWidth = frame.getWidth();
+    // If the display transform had a rotational component then undo the
+    // rotation so that the orientation matches the source crop.
+    if (displayTransform.getOrientation() & ui::Transform::ROT_90) {
+        std::swap(frameHeight, frameWidth);
+    }
+    return sourceCrop.getHeight() != frameHeight || sourceCrop.getWidth() != frameWidth;
+}
+
+void Layer::latchAndReleaseBuffer() {
+    if (hasReadyFrame()) {
+        bool ignored = false;
+        latchBuffer(ignored, systemTime());
+    }
+    releasePendingBuffer(systemTime());
+}
+
+PixelFormat Layer::getPixelFormat() const {
+    return mBufferInfo.mPixelFormat;
+}
+
+bool Layer::getTransformToDisplayInverse() const {
+    return mBufferInfo.mTransformToDisplayInverse;
+}
+
+Rect Layer::getBufferCrop() const {
+    // this is the crop rectangle that applies to the buffer
+    // itself (as opposed to the window)
+    if (!mBufferInfo.mCrop.isEmpty()) {
+        // if the buffer crop is defined, we use that
+        return mBufferInfo.mCrop;
+    } else if (mBufferInfo.mBuffer != nullptr) {
+        // otherwise we use the whole buffer
+        return mBufferInfo.mBuffer->getBounds();
+    } else {
+        // if we don't have a buffer yet, we use an empty/invalid crop
+        return Rect();
+    }
+}
+
+uint32_t Layer::getBufferTransform() const {
+    return mBufferInfo.mTransform;
+}
+
+ui::Dataspace Layer::getDataSpace() const {
+    return mDrawingState.dataspaceRequested ? getRequestedDataSpace() : ui::Dataspace::UNKNOWN;
+}
+
+ui::Dataspace Layer::getRequestedDataSpace() const {
+    return hasBufferOrSidebandStream() ? mBufferInfo.mDataspace : mDrawingState.dataspace;
+}
+
+ui::Dataspace Layer::translateDataspace(ui::Dataspace dataspace) {
+    ui::Dataspace updatedDataspace = dataspace;
+    // translate legacy dataspaces to modern dataspaces
+    switch (dataspace) {
+        case ui::Dataspace::SRGB:
+            updatedDataspace = ui::Dataspace::V0_SRGB;
+            break;
+        case ui::Dataspace::SRGB_LINEAR:
+            updatedDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+            break;
+        case ui::Dataspace::JFIF:
+            updatedDataspace = ui::Dataspace::V0_JFIF;
+            break;
+        case ui::Dataspace::BT601_625:
+            updatedDataspace = ui::Dataspace::V0_BT601_625;
+            break;
+        case ui::Dataspace::BT601_525:
+            updatedDataspace = ui::Dataspace::V0_BT601_525;
+            break;
+        case ui::Dataspace::BT709:
+            updatedDataspace = ui::Dataspace::V0_BT709;
+            break;
+        default:
+            break;
+    }
+
+    return updatedDataspace;
+}
+
+sp<GraphicBuffer> Layer::getBuffer() const {
+    return mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer() : nullptr;
+}
+
+void Layer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
+    mTransformHint = getFixedTransformHint();
+    if (mTransformHint == ui::Transform::ROT_INVALID) {
+        mTransformHint = displayTransformHint;
+    }
+    mSkipReportingTransformHint = false;
+}
+
+const std::shared_ptr<renderengine::ExternalTexture>& Layer::getExternalTexture() const {
+    return mBufferInfo.mBuffer;
+}
+
+bool Layer::setColor(const half3& color) {
+    if (mDrawingState.color.rgb == color) {
+        return false;
+    }
+
+    mDrawingState.sequence++;
+    mDrawingState.color.rgb = color;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::fillsColor() const {
+    return !hasBufferOrSidebandStream() && mDrawingState.color.r >= 0.0_hf &&
+            mDrawingState.color.g >= 0.0_hf && mDrawingState.color.b >= 0.0_hf;
+}
+
+bool Layer::hasBlur() const {
+    return getBackgroundBlurRadius() > 0 || getDrawingState().blurRegions.size() > 0;
+}
+
+void Layer::updateSnapshot(bool updateGeometry) {
+    if (!getCompositionEngineLayerFE()) {
+        return;
+    }
+
+    auto* snapshot = editLayerSnapshot();
+    if (updateGeometry) {
+        prepareBasicGeometryCompositionState();
+        prepareGeometryCompositionState();
+        snapshot->roundedCorner = getRoundedCornerState();
+        snapshot->stretchEffect = getStretchEffect();
+        snapshot->transformedBounds = mScreenBounds;
+        if (mEffectiveShadowRadius > 0.f) {
+            snapshot->shadowSettings = mFlinger->mDrawingState.globalShadowSettings;
+
+            // Note: this preserves existing behavior of shadowing the entire layer and not cropping
+            // it if transparent regions are present. This may not be necessary since shadows are
+            // typically cast by layers without transparent regions.
+            snapshot->shadowSettings.boundaries = mBounds;
+
+            const float casterAlpha = snapshot->alpha;
+            const bool casterIsOpaque =
+                    ((mBufferInfo.mBuffer != nullptr) && isOpaque(mDrawingState));
+
+            // If the casting layer is translucent, we need to fill in the shadow underneath the
+            // layer. Otherwise the generated shadow will only be shown around the casting layer.
+            snapshot->shadowSettings.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
+            snapshot->shadowSettings.ambientColor *= casterAlpha;
+            snapshot->shadowSettings.spotColor *= casterAlpha;
+        }
+        snapshot->shadowSettings.length = mEffectiveShadowRadius;
+    }
+    snapshot->contentOpaque = isOpaque(mDrawingState);
+    snapshot->isHdrY410 = isHdrY410();
+    snapshot->bufferNeedsFiltering = bufferNeedsFiltering();
+    sp<Layer> p = mDrawingParent.promote();
+    if (p != nullptr) {
+        snapshot->transform = p->getTransform();
+    } else {
+        snapshot->transform.reset();
+    }
+    snapshot->bufferSize = getBufferSize(mDrawingState);
+    snapshot->externalTexture = mBufferInfo.mBuffer;
+    snapshot->hasReadyFrame = hasReadyFrame();
+    preparePerFrameCompositionState();
+}
+
+void Layer::updateChildrenSnapshots(bool updateGeometry) {
+    for (const sp<Layer>& child : mDrawingChildren) {
+        child->updateSnapshot(updateGeometry);
+        child->updateChildrenSnapshots(updateGeometry);
+    }
+}
+
+void Layer::updateMetadataSnapshot(const LayerMetadata& parentMetadata) {
+    mSnapshot->layerMetadata = parentMetadata;
+    mSnapshot->layerMetadata.merge(mDrawingState.metadata);
+    for (const sp<Layer>& child : mDrawingChildren) {
+        child->updateMetadataSnapshot(mSnapshot->layerMetadata);
+    }
+}
+
+void Layer::updateRelativeMetadataSnapshot(const LayerMetadata& relativeLayerMetadata,
+                                           std::unordered_set<Layer*>& visited) {
+    if (visited.find(this) != visited.end()) {
+        ALOGW("Cycle containing layer %s detected in z-order relatives", getDebugName());
+        return;
+    }
+    visited.insert(this);
+
+    mSnapshot->relativeLayerMetadata = relativeLayerMetadata;
+
+    if (mDrawingState.zOrderRelatives.empty()) {
+        return;
+    }
+    LayerMetadata childRelativeLayerMetadata = mSnapshot->relativeLayerMetadata;
+    childRelativeLayerMetadata.merge(mSnapshot->layerMetadata);
+    for (wp<Layer> weakRelative : mDrawingState.zOrderRelatives) {
+        sp<Layer> relative = weakRelative.promote();
+        if (!relative) {
+            continue;
+        }
+        relative->updateRelativeMetadataSnapshot(childRelativeLayerMetadata, visited);
+    }
+}
+
+LayerSnapshotGuard::LayerSnapshotGuard(Layer* layer) : mLayer(layer) {
+    if (mLayer) {
+        mLayer->mLayerFE->mSnapshot = std::move(mLayer->mSnapshot);
+    }
+}
+
+LayerSnapshotGuard::~LayerSnapshotGuard() {
+    if (mLayer) {
+        mLayer->mSnapshot = std::move(mLayer->mLayerFE->mSnapshot);
+    }
+}
+
+LayerSnapshotGuard::LayerSnapshotGuard(LayerSnapshotGuard&& other) : mLayer(other.mLayer) {
+    other.mLayer = nullptr;
+}
+
+LayerSnapshotGuard& LayerSnapshotGuard::operator=(LayerSnapshotGuard&& other) {
+    mLayer = other.mLayer;
+    other.mLayer = nullptr;
+    return *this;
+}
+
 // ---------------------------------------------------------------------------
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate) {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 200baf0ba1..08a13a34eb 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -17,8 +17,8 @@
 #pragma once
 
 #include <android/gui/DropInputMode.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <gui/BufferQueue.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <gui/WindowInfo.h>
 #include <layerproto/LayerProtoHeader.h>
@@ -38,6 +38,7 @@
 #include <utils/Timers.h>
 
 #include <compositionengine/LayerFE.h>
+#include <compositionengine/LayerFECompositionState.h>
 #include <scheduler/Fps.h>
 #include <scheduler/Seamlessness.h>
 
@@ -48,13 +49,10 @@
 #include <vector>
 
 #include "Client.h"
-#include "ClientCache.h"
-#include "DisplayHardware/ComposerHal.h"
 #include "DisplayHardware/HWComposer.h"
 #include "FrameTracker.h"
+#include "LayerFE.h"
 #include "LayerVector.h"
-#include "MonitoredProducer.h"
-#include "RenderArea.h"
 #include "Scheduler/LayerInfo.h"
 #include "SurfaceFlinger.h"
 #include "Tracing/LayerTracing.h"
@@ -69,39 +67,22 @@ class Colorizer;
 class DisplayDevice;
 class GraphicBuffer;
 class SurfaceFlinger;
-class LayerDebugInfo;
 
 namespace compositionengine {
 class OutputLayer;
 struct LayerFECompositionState;
 }
 
-namespace impl {
-class SurfaceInterceptor;
+namespace gui {
+class LayerDebugInfo;
 }
 
 namespace frametimeline {
 class SurfaceFrame;
 } // namespace frametimeline
 
-struct LayerCreationArgs {
-    LayerCreationArgs(SurfaceFlinger*, sp<Client>, std::string name, uint32_t flags, LayerMetadata);
-
-    SurfaceFlinger* flinger;
-    const sp<Client> client;
-    std::string name;
-    uint32_t flags;
-    LayerMetadata metadata;
-
-    pid_t callingPid;
-    uid_t callingUid;
-    uint32_t textureName;
-    std::optional<uint32_t> sequence = std::nullopt;
-    bool addToRoot = true;
-};
-
-class Layer : public virtual RefBase, compositionengine::LayerFE {
-    static std::atomic<int32_t> sSequence;
+class Layer : public virtual RefBase {
+public:
     // The following constants represent priority of the window. SF uses this information when
     // deciding which window has a priority when deciding about the refresh rate of the screen.
     // Priority 0 is considered the highest priority. -1 means that the priority is unset.
@@ -113,7 +94,6 @@ class Layer : public virtual RefBase, compositionengine::LayerFE {
     // Windows that are not in focus, but voted for a specific mode ID.
     static constexpr int32_t PRIORITY_NOT_FOCUSED_WITH_MODE = 2;
 
-public:
     enum { // flags for doTransaction()
         eDontUpdateGeometryState = 0x00000001,
         eVisibleRegion = 0x00000002,
@@ -132,73 +112,38 @@ public:
         inline bool operator!=(const Geometry& rhs) const { return !operator==(rhs); }
     };
 
-    struct RoundedCornerState {
-        RoundedCornerState() = default;
-        RoundedCornerState(const FloatRect& cropRect, const vec2& radius)
-              : cropRect(cropRect), radius(radius) {}
-
-        // Rounded rectangle in local layer coordinate space.
-        FloatRect cropRect = FloatRect();
-        // Radius of the rounded rectangle.
-        vec2 radius;
-        bool hasRoundedCorners() const { return radius.x > 0.0f && radius.y > 0.0f; }
-    };
-
     using FrameRate = scheduler::LayerInfo::FrameRate;
     using FrameRateCompatibility = scheduler::LayerInfo::FrameRateCompatibility;
 
     struct State {
-        Geometry active_legacy;
-        Geometry requested_legacy;
         int32_t z;
-
         ui::LayerStack layerStack;
-
         uint32_t flags;
-        uint8_t reserved[2];
         int32_t sequence; // changes when visible regions can change
         bool modified;
-
         // Crop is expressed in layer space coordinate.
         Rect crop;
-        Rect requestedCrop;
-
-        // the transparentRegion hint is a bit special, it's latched only
-        // when we receive a buffer -- this is because it's "content"
-        // dependent.
-        Region activeTransparentRegion_legacy;
-        Region requestedTransparentRegion_legacy;
-
         LayerMetadata metadata;
-
         // If non-null, a Surface this Surface's Z-order is interpreted relative to.
         wp<Layer> zOrderRelativeOf;
         bool isRelativeOf{false};
 
         // A list of surfaces whose Z-order is interpreted relative to ours.
         SortedVector<wp<Layer>> zOrderRelatives;
-
         half4 color;
         float cornerRadius;
         int backgroundBlurRadius;
-
         gui::WindowInfo inputInfo;
         wp<Layer> touchableRegionCrop;
 
-        // dataspace is only used by BufferStateLayer and EffectLayer
         ui::Dataspace dataspace;
+        bool dataspaceRequested;
 
-        // The fields below this point are only used by BufferStateLayer
         uint64_t frameNumber;
-        uint32_t width;
-        uint32_t height;
         ui::Transform transform;
-
         uint32_t bufferTransform;
         bool transformToDisplayInverse;
-
         Region transparentRegionHint;
-
         std::shared_ptr<renderengine::ExternalTexture> buffer;
         client_cache_t clientCacheId;
         sp<Fence> acquireFence;
@@ -206,11 +151,9 @@ public:
         HdrMetadata hdrMetadata;
         Region surfaceDamageRegion;
         int32_t api;
-
         sp<NativeHandle> sidebandStream;
         mat4 colorTransform;
         bool hasColorTransform;
-
         // pointer to background color layer that, if set, appears below the buffer state layer
         // and the buffer state layer's children.  Z order will be set to
         // INT_MIN
@@ -233,6 +176,8 @@ public:
         // Priority of the layer assigned by Window Manager.
         int32_t frameRateSelectionPriority;
 
+        // Default frame rate compatibility used to set the layer refresh rate votetype.
+        FrameRateCompatibility defaultFrameRateCompatibility;
         FrameRate frameRate;
 
         // The combined frame rate of parents / children of this layer
@@ -252,7 +197,6 @@ public:
 
         // When the transaction was posted
         nsecs_t postTime;
-
         sp<ITransactionCompletedListener> releaseBufferListener;
         // SurfaceFrame that tracks the timeline of Transactions that contain a Buffer. Only one
         // such SurfaceFrame exists because only one buffer can be presented on the layer per vsync.
@@ -273,59 +217,14 @@ public:
 
         // Whether or not this layer is a trusted overlay for input
         bool isTrustedOverlay;
-
         Rect bufferCrop;
         Rect destinationFrame;
-
         sp<IBinder> releaseBufferEndpoint;
-
         gui::DropInputMode dropInputMode;
-
         bool autoRefresh = false;
-
         bool dimmingEnabled = true;
     };
 
-    /*
-     * Trivial class, used to ensure that mFlinger->onLayerDestroyed(mLayer)
-     * is called.
-     */
-    class LayerCleaner {
-        sp<SurfaceFlinger> mFlinger;
-        sp<Layer> mLayer;
-        BBinder* mHandle;
-
-    protected:
-        ~LayerCleaner() {
-            // destroy client resources
-            mFlinger->onHandleDestroyed(mHandle, mLayer);
-        }
-
-    public:
-        LayerCleaner(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer, BBinder* handle)
-              : mFlinger(flinger), mLayer(layer), mHandle(handle) {}
-    };
-
-    /*
-     * The layer handle is just a BBinder object passed to the client
-     * (remote process) -- we don't keep any reference on our side such that
-     * the dtor is called when the remote side let go of its reference.
-     *
-     * LayerCleaner ensures that mFlinger->onLayerDestroyed() is called for
-     * this layer when the handle is destroyed.
-     */
-    class Handle : public BBinder, public LayerCleaner {
-    public:
-        Handle(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer)
-              : LayerCleaner(flinger, layer, this), owner(layer) {}
-        const String16& getInterfaceDescriptor() const override { return kDescriptor; }
-
-        static const String16 kDescriptor;
-        wp<Layer> owner;
-    };
-
-    static wp<Layer> fromHandle(const sp<IBinder>& handle);
-
     explicit Layer(const LayerCreationArgs& args);
     virtual ~Layer();
 
@@ -333,43 +232,17 @@ public:
     static void miniDumpHeader(std::string& result);
 
     // Provide unique string for each class type in the Layer hierarchy
-    virtual const char* getType() const = 0;
+    virtual const char* getType() const { return "Layer"; }
 
     // true if this layer is visible, false otherwise
-    virtual bool isVisible() const = 0;
+    virtual bool isVisible() const;
 
-    virtual sp<Layer> createClone() = 0;
+    virtual sp<Layer> createClone();
 
-    // Geometry setting functions.
-    //
-    // The following group of functions are used to specify the layers
-    // bounds, and the mapping of the texture on to those bounds. According
-    // to various settings changes to them may apply immediately, or be delayed until
-    // a pending resize is completed by the producer submitting a buffer. For example
-    // if we were to change the buffer size, and update the matrix ahead of the
-    // new buffer arriving, then we would be stretching the buffer to a different
-    // aspect before and after the buffer arriving, which probably isn't what we wanted.
-    //
-    // The first set of geometry functions are controlled by the scaling mode, described
-    // in window.h. The scaling mode may be set by the client, as it submits buffers.
-    //
-    // Put simply, if our scaling mode is SCALING_MODE_FREEZE, then
-    // matrix updates will not be applied while a resize is pending
-    // and the size and transform will remain in their previous state
-    // until a new buffer is submitted. If the scaling mode is another value
-    // then the old-buffer will immediately be scaled to the pending size
-    // and the new matrix will be immediately applied following this scaling
-    // transformation.
-
-    // Set the default buffer size for the assosciated Producer, in pixels. This is
-    // also the rendered size of the layer prior to any transformations. Parent
-    // or local matrix transformations will not affect the size of the buffer,
-    // but may affect it's on-screen size or clipping.
-    virtual bool setSize(uint32_t w, uint32_t h);
     // Set a 2x2 transformation matrix on the layer. This transform
     // will be applied after parent transforms, but before any final
     // producer specified transform.
-    virtual bool setMatrix(const layer_state_t::matrix22_t& matrix);
+    bool setMatrix(const layer_state_t::matrix22_t& matrix);
 
     // This second set of geometry attributes are controlled by
     // setGeometryAppliesWithResize, and their default mode is to be
@@ -379,9 +252,9 @@ public:
 
     // setPosition operates in parent buffer space (pre parent-transform) or display
     // space for top-level layers.
-    virtual bool setPosition(float x, float y);
+    bool setPosition(float x, float y);
     // Buffer space
-    virtual bool setCrop(const Rect& crop);
+    bool setCrop(const Rect& crop);
 
     // TODO(b/38182121): Could we eliminate the various latching modes by
     // using the layer hierarchy?
@@ -390,7 +263,7 @@ public:
     virtual bool setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ);
 
     virtual bool setAlpha(float alpha);
-    virtual bool setColor(const half3& /*color*/) { return false; };
+    bool setColor(const half3& /*color*/);
 
     // Set rounded corner radius for this layer and its children.
     //
@@ -402,11 +275,13 @@ public:
     // is specified in pixels.
     virtual bool setBackgroundBlurRadius(int backgroundBlurRadius);
     virtual bool setBlurRegions(const std::vector<BlurRegion>& effectRegions);
-    virtual bool setTransparentRegionHint(const Region& transparent);
+    bool setTransparentRegionHint(const Region& transparent);
     virtual bool setTrustedOverlay(bool);
     virtual bool setFlags(uint32_t flags, uint32_t mask);
     virtual bool setLayerStack(ui::LayerStack);
-    virtual ui::LayerStack getLayerStack() const;
+    virtual ui::LayerStack getLayerStack(
+            LayerVector::StateSet state = LayerVector::StateSet::Drawing) const;
+
     virtual bool setMetadata(const LayerMetadata& data);
     virtual void setChildrenDrawingParent(const sp<Layer>&);
     virtual bool reparent(const sp<IBinder>& newParentHandle);
@@ -416,44 +291,47 @@ public:
     virtual bool isColorSpaceAgnostic() const { return mDrawingState.colorSpaceAgnostic; }
     virtual bool isDimmingEnabled() const { return getDrawingState().dimmingEnabled; };
 
-    // Used only to set BufferStateLayer state
-    virtual bool setTransform(uint32_t /*transform*/) { return false; };
-    virtual bool setTransformToDisplayInverse(bool /*transformToDisplayInverse*/) { return false; };
-    virtual bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
-                           const BufferData& /* bufferData */, nsecs_t /* postTime */,
-                           nsecs_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
-                           std::optional<nsecs_t> /* dequeueTime */,
-                           const FrameTimelineInfo& /*info*/) {
-        return false;
-    };
-    virtual bool setDataspace(ui::Dataspace /*dataspace*/) { return false; };
-    virtual bool setHdrMetadata(const HdrMetadata& /*hdrMetadata*/) { return false; };
-    virtual bool setSurfaceDamageRegion(const Region& /*surfaceDamage*/) { return false; };
-    virtual bool setApi(int32_t /*api*/) { return false; };
-    virtual bool setSidebandStream(const sp<NativeHandle>& /*sidebandStream*/) { return false; };
-    virtual bool setTransactionCompletedListeners(
-            const std::vector<sp<CallbackHandle>>& /*handles*/);
+    bool setTransform(uint32_t /*transform*/);
+    bool setTransformToDisplayInverse(bool /*transformToDisplayInverse*/);
+    bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
+                   const BufferData& /* bufferData */, nsecs_t /* postTime */,
+                   nsecs_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
+                   std::optional<nsecs_t> /* dequeueTime */, const FrameTimelineInfo& /*info*/);
+    bool setDataspace(ui::Dataspace /*dataspace*/);
+    bool setHdrMetadata(const HdrMetadata& /*hdrMetadata*/);
+    bool setSurfaceDamageRegion(const Region& /*surfaceDamage*/);
+    bool setApi(int32_t /*api*/);
+    bool setSidebandStream(const sp<NativeHandle>& /*sidebandStream*/);
+    bool setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& /*handles*/);
     virtual bool setBackgroundColor(const half3& color, float alpha, ui::Dataspace dataspace);
     virtual bool setColorSpaceAgnostic(const bool agnostic);
     virtual bool setDimmingEnabled(const bool dimmingEnabled);
+    virtual bool setDefaultFrameRateCompatibility(FrameRateCompatibility compatibility);
     virtual bool setFrameRateSelectionPriority(int32_t priority);
     virtual bool setFixedTransformHint(ui::Transform::RotationFlags fixedTransformHint);
-    virtual void setAutoRefresh(bool /* autoRefresh */) {}
+    void setAutoRefresh(bool /* autoRefresh */);
     bool setDropInputMode(gui::DropInputMode);
 
     //  If the variable is not set on the layer, it traverses up the tree to inherit the frame
     //  rate priority from its parent.
     virtual int32_t getFrameRateSelectionPriority() const;
-    virtual ui::Dataspace getDataSpace() const { return ui::Dataspace::UNKNOWN; }
+    //
+    virtual FrameRateCompatibility getDefaultFrameRateCompatibility() const;
+    //
+    ui::Dataspace getDataSpace() const;
+    ui::Dataspace getRequestedDataSpace() const;
+
+    virtual sp<LayerFE> getCompositionEngineLayerFE() const;
+    virtual sp<LayerFE> copyCompositionEngineLayerFE() const;
 
-    virtual sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const;
-    virtual compositionengine::LayerFECompositionState* editCompositionState();
+    const LayerSnapshot* getLayerSnapshot() const;
+    LayerSnapshot* editLayerSnapshot();
 
     // If we have received a new buffer this frame, we will pass its surface
     // damage down to hardware composer. Otherwise, we must send a region with
     // one empty rect.
-    virtual void useSurfaceDamage() {}
-    virtual void useEmptyDamage() {}
+    void useSurfaceDamage();
+    void useEmptyDamage();
     Region getVisibleRegion(const DisplayDevice*) const;
 
     /*
@@ -463,18 +341,18 @@ public:
      * pixel format includes an alpha channel) and the "opaque" flag set
      * on the layer.  It does not examine the current plane alpha value.
      */
-    virtual bool isOpaque(const Layer::State&) const { return false; }
+    bool isOpaque(const Layer::State&) const;
 
     /*
      * Returns whether this layer can receive input.
      */
-    virtual bool canReceiveInput() const;
+    bool canReceiveInput() const;
 
     /*
      * isProtected - true if the layer may contain protected contents in the
      * GRALLOC_USAGE_PROTECTED sense.
      */
-    virtual bool isProtected() const { return false; }
+    bool isProtected() const;
 
     /*
      * isFixedSize - true if content has a fixed size
@@ -484,21 +362,19 @@ public:
     /*
      * usesSourceCrop - true if content should use a source crop
      */
-    virtual bool usesSourceCrop() const { return false; }
+    bool usesSourceCrop() const { return hasBufferOrSidebandStream(); }
 
     // Most layers aren't created from the main thread, and therefore need to
     // grab the SF state lock to access HWC, but ContainerLayer does, so we need
     // to avoid grabbing the lock again to avoid deadlock
     virtual bool isCreatedFromMainThread() const { return false; }
 
-    uint32_t getActiveWidth(const Layer::State& s) const { return s.width; }
-    uint32_t getActiveHeight(const Layer::State& s) const { return s.height; }
     ui::Transform getActiveTransform(const Layer::State& s) const { return s.transform; }
-    virtual Region getActiveTransparentRegion(const Layer::State& s) const {
-        return s.activeTransparentRegion_legacy;
+    Region getActiveTransparentRegion(const Layer::State& s) const {
+        return s.transparentRegionHint;
     }
-    virtual Rect getCrop(const Layer::State& s) const { return s.crop; }
-    virtual bool needsFiltering(const DisplayDevice*) const { return false; }
+    Rect getCrop(const Layer::State& s) const { return s.crop; }
+    bool needsFiltering(const DisplayDevice*) const;
 
     // True if this layer requires filtering
     // This method is distinct from needsFiltering() in how the filter
@@ -509,32 +385,25 @@ public:
     // different.
     // If the parent transform needs to be undone when capturing the layer, then
     // the inverse parent transform is also required.
-    virtual bool needsFilteringForScreenshots(const DisplayDevice*, const ui::Transform&) const {
-        return false;
-    }
-
-    virtual void updateCloneBufferInfo(){};
+    bool needsFilteringForScreenshots(const DisplayDevice*, const ui::Transform&) const;
 
-    virtual void setDefaultBufferSize(uint32_t /*w*/, uint32_t /*h*/) {}
+    // from graphics API
+    ui::Dataspace translateDataspace(ui::Dataspace dataspace);
+    void updateCloneBufferInfo();
+    uint64_t mPreviousFrameNumber = 0;
 
-    virtual bool isHdrY410() const { return false; }
-
-    virtual bool shouldPresentNow(nsecs_t /*expectedPresentTime*/) const { return false; }
+    bool isHdrY410() const;
 
     /*
      * called after composition.
      * returns true if the layer latched a new buffer this frame.
      */
-    virtual void onPostComposition(const DisplayDevice*,
-                                   const std::shared_ptr<FenceTime>& /*glDoneFence*/,
-                                   const std::shared_ptr<FenceTime>& /*presentFence*/,
-                                   const CompositorTiming&) {}
+    void onPostComposition(const DisplayDevice*, const std::shared_ptr<FenceTime>& /*glDoneFence*/,
+                           const std::shared_ptr<FenceTime>& /*presentFence*/,
+                           const CompositorTiming&);
 
     // If a buffer was replaced this frame, release the former buffer
-    virtual void releasePendingBuffer(nsecs_t /*dequeueReadyTime*/) { }
-
-    virtual void finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& /*glDoneFence*/,
-                                           const CompositorTiming& /*compositorTiming*/) {}
+    void releasePendingBuffer(nsecs_t /*dequeueReadyTime*/);
 
     /*
      * latchBuffer - called each time the screen is redrawn and returns whether
@@ -542,89 +411,110 @@ public:
      * operation, so this should be set only if needed). Typically this is used
      * to figure out if the content or size of a surface has changed.
      */
-    virtual bool latchBuffer(bool& /*recomputeVisibleRegions*/, nsecs_t /*latchTime*/,
-                             nsecs_t /*expectedPresentTime*/) {
-        return false;
-    }
+    bool latchBuffer(bool& /*recomputeVisibleRegions*/, nsecs_t /*latchTime*/);
 
-    virtual void latchAndReleaseBuffer() {}
+    /*
+     * Calls latchBuffer if the buffer has a frame queued and then releases the buffer.
+     * This is used if the buffer is just latched and releases to free up the buffer
+     * and will not be shown on screen.
+     * Should only be called on the main thread.
+     */
+    void latchAndReleaseBuffer();
 
     /*
      * returns the rectangle that crops the content of the layer and scales it
      * to the layer's size.
      */
-    virtual Rect getBufferCrop() const { return Rect(); }
+    Rect getBufferCrop() const;
 
     /*
      * Returns the transform applied to the buffer.
      */
-    virtual uint32_t getBufferTransform() const { return 0; }
+    uint32_t getBufferTransform() const;
 
-    virtual sp<GraphicBuffer> getBuffer() const { return nullptr; }
-    virtual const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const {
-        return mDrawingState.buffer;
-    };
+    sp<GraphicBuffer> getBuffer() const;
+    const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const;
 
-    virtual ui::Transform::RotationFlags getTransformHint() const { return ui::Transform::ROT_0; }
+    ui::Transform::RotationFlags getTransformHint() const { return mTransformHint; }
 
     /*
      * Returns if a frame is ready
      */
-    virtual bool hasReadyFrame() const { return false; }
+    bool hasReadyFrame() const;
 
     virtual int32_t getQueuedFrameCount() const { return 0; }
 
     /**
      * Returns active buffer size in the correct orientation. Buffer size is determined by undoing
-     * any buffer transformations. If the layer has no buffer then return INVALID_RECT.
+     * any buffer transformations. Returns Rect::INVALID_RECT if the layer has no buffer or the
+     * layer does not have a display frame and its parent is not bounded.
      */
-    virtual Rect getBufferSize(const Layer::State&) const { return Rect::INVALID_RECT; }
+    Rect getBufferSize(const Layer::State&) const;
 
     /**
      * Returns the source bounds. If the bounds are not defined, it is inferred from the
      * buffer size. Failing that, the bounds are determined from the passed in parent bounds.
      * For the root layer, this is the display viewport size.
      */
-    virtual FloatRect computeSourceBounds(const FloatRect& parentBounds) const {
-        return parentBounds;
-    }
+    FloatRect computeSourceBounds(const FloatRect& parentBounds) const;
     virtual FrameRate getFrameRateForLayerTree() const;
 
-    virtual bool getTransformToDisplayInverse() const { return false; }
+    bool getTransformToDisplayInverse() const;
 
     // Returns how rounded corners should be drawn for this layer.
     // A layer can override its parent's rounded corner settings if the parent's rounded
     // corner crop does not intersect with its own rounded corner crop.
     virtual RoundedCornerState getRoundedCornerState() const;
 
-    bool hasRoundedCorners() const override { return getRoundedCornerState().hasRoundedCorners(); }
+    bool hasRoundedCorners() const { return getRoundedCornerState().hasRoundedCorners(); }
 
-    virtual PixelFormat getPixelFormat() const { return PIXEL_FORMAT_NONE; }
+    PixelFormat getPixelFormat() const;
     /**
-     * Return whether this layer needs an input info. For most layer types
-     * this is only true if they explicitly set an input-info but BufferLayer
-     * overrides this so we can generate input-info for Buffered layers that don't
-     * have them (for input occlusion detection checks).
+     * Return whether this layer needs an input info. We generate InputWindowHandles for all
+     * non-cursor buffered layers regardless of whether they have an InputChannel. This is to enable
+     * the InputDispatcher to do PID based occlusion detection.
      */
-    virtual bool needsInputInfo() const { return hasInputInfo(); }
+    bool needsInputInfo() const {
+        return (hasInputInfo() || hasBufferOrSidebandStream()) && !mPotentialCursor;
+    }
 
     // Implements RefBase.
     void onFirstRef() override;
 
+    struct BufferInfo {
+        nsecs_t mDesiredPresentTime;
+        std::shared_ptr<FenceTime> mFenceTime;
+        sp<Fence> mFence;
+        uint32_t mTransform{0};
+        ui::Dataspace mDataspace{ui::Dataspace::UNKNOWN};
+        Rect mCrop;
+        uint32_t mScaleMode{NATIVE_WINDOW_SCALING_MODE_FREEZE};
+        Region mSurfaceDamage;
+        HdrMetadata mHdrMetadata;
+        int mApi;
+        PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
+        bool mTransformToDisplayInverse{false};
+
+        std::shared_ptr<renderengine::ExternalTexture> mBuffer;
+        uint64_t mFrameNumber;
+
+        bool mFrameLatencyNeeded{false};
+    };
+
+    BufferInfo mBufferInfo;
+
     // implements compositionengine::LayerFE
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    bool onPreComposition(nsecs_t) override;
-    void prepareCompositionState(compositionengine::LayerFE::StateSubset subset) override;
-    std::vector<compositionengine::LayerFE::LayerSettings> prepareClientCompositionList(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&) override;
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
-
-    void setWasClientComposed(const sp<Fence>& fence) override {
+    const compositionengine::LayerFECompositionState* getCompositionState() const;
+    bool fenceHasSignaled() const;
+    bool onPreComposition(nsecs_t refreshStartTime);
+    void onLayerDisplayed(ftl::SharedFuture<FenceResult>);
+
+    void setWasClientComposed(const sp<Fence>& fence) {
         mLastClientCompositionFence = fence;
         mClearClientCompositionFenceOnLayerDisplayed = false;
     }
 
-    const char* getDebugName() const override;
+    const char* getDebugName() const;
 
     bool setShadowRadius(float shadowRadius);
 
@@ -649,7 +539,7 @@ public:
     // Compute bounds for the layer and cache the results.
     void computeBounds(FloatRect parentBounds, ui::Transform parentTransform, float shadowRadius);
 
-    int32_t getSequence() const override { return sequence; }
+    int32_t getSequence() const { return sequence; }
 
     // For tracing.
     // TODO: Replace with raw buffer id from buffer metadata when that becomes available.
@@ -732,15 +622,15 @@ public:
      * Sets display transform hint on BufferLayerConsumer.
      */
     void updateTransformHint(ui::Transform::RotationFlags);
-
+    void skipReportingTransformHint();
     inline const State& getDrawingState() const { return mDrawingState; }
     inline State& getDrawingState() { return mDrawingState; }
 
-    LayerDebugInfo getLayerDebugInfo(const DisplayDevice*) const;
+    gui::LayerDebugInfo getLayerDebugInfo(const DisplayDevice*) const;
 
     void miniDump(std::string& result, const DisplayDevice&) const;
     void dumpFrameStats(std::string& result) const;
-    void dumpCallingUidPid(std::string& result) const;
+    void dumpOffscreenDebugInfo(std::string& result) const;
     void clearFrameStats();
     void logFrameStats();
     void getFrameStats(FrameStats* outStats) const;
@@ -886,22 +776,41 @@ public:
 
     bool mPendingHWCDestroy{false};
 
-    bool backpressureEnabled() { return mDrawingState.flags & layer_state_t::eEnableBackpressure; }
+    bool backpressureEnabled() const {
+        return mDrawingState.flags & layer_state_t::eEnableBackpressure;
+    }
 
     bool setStretchEffect(const StretchEffect& effect);
     StretchEffect getStretchEffect() const;
-
-    virtual bool setBufferCrop(const Rect& /* bufferCrop */) { return false; }
-    virtual bool setDestinationFrame(const Rect& /* destinationFrame */) { return false; }
-    virtual std::atomic<int32_t>* getPendingBufferCounter() { return nullptr; }
-    virtual std::string getPendingBufferCounterName() { return ""; }
-    virtual bool updateGeometry() { return false; }
-
-    virtual bool simpleBufferUpdate(const layer_state_t&) const { return false; }
+    bool enableBorder(bool shouldEnable, float width, const half4& color);
+    bool isBorderEnabled();
+    float getBorderWidth();
+    const half4& getBorderColor();
+
+    bool setBufferCrop(const Rect& /* bufferCrop */);
+    bool setDestinationFrame(const Rect& /* destinationFrame */);
+    // See mPendingBufferTransactions
+    void decrementPendingBufferCount();
+    std::atomic<int32_t>* getPendingBufferCounter() { return &mPendingBufferTransactions; }
+    std::string getPendingBufferCounterName() { return mBlastTransactionName; }
+    bool updateGeometry();
+
+    bool simpleBufferUpdate(const layer_state_t&) const;
+
+    static bool isOpaqueFormat(PixelFormat format);
+
+    // Updates the LayerSnapshot. This must be called prior to sending layer data to
+    // CompositionEngine or RenderEngine (i.e. before calling CompositionEngine::present or
+    // LayerFE::prepareClientComposition).
+    //
+    // TODO(b/238781169) Remove direct calls to RenderEngine::drawLayers that don't go through
+    // CompositionEngine to create a single path for composing layers.
+    void updateSnapshot(bool updateGeometry);
+    void updateMetadataSnapshot(const LayerMetadata& parentMetadata);
+    void updateRelativeMetadataSnapshot(const LayerMetadata& relativeLayerMetadata,
+                                        std::unordered_set<Layer*>& visited);
 
 protected:
-    friend class impl::SurfaceInterceptor;
-
     // For unit tests
     friend class TestableSurfaceFlinger;
     friend class FpsReporterTest;
@@ -911,18 +820,13 @@ protected:
     friend class TransactionSurfaceFrameTest;
 
     virtual void setInitialValuesForClone(const sp<Layer>& clonedFrom);
-    virtual std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&);
-    virtual void preparePerFrameCompositionState();
+    void preparePerFrameCompositionState();
+    void preparePerFrameBufferCompositionState();
+    void preparePerFrameEffectsCompositionState();
     virtual void commitTransaction(State& stateToCommit);
-    virtual void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>&) {}
-
-    // Returns mCurrentScaling mode (originating from the
-    // Client) or mOverrideScalingMode mode (originating from
-    // the Surface Controller) if set.
-    virtual uint32_t getEffectiveScalingMode() const { return 0; }
+    void gatherBufferInfo();
+    void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>&);
 
-    sp<compositionengine::LayerFE> asLayerFE() const;
     sp<Layer> getClonedFrom() { return mClonedFrom != nullptr ? mClonedFrom.promote() : nullptr; }
     bool isClone() { return mClonedFrom != nullptr; }
     bool isClonedFromAlive() { return getClonedFrom() != nullptr; }
@@ -935,11 +839,6 @@ protected:
     void addChildToDrawing(const sp<Layer>&);
     void updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap);
 
-    // Modifies the passed in layer settings to clear the contents. If the blackout flag is set,
-    // the settings clears the content with a solid black fill.
-    void prepareClearClientComposition(LayerFE::LayerSettings&, bool blackout) const;
-    void prepareShadowClientComposition(LayerFE::LayerSettings& caster, const Rect& layerStackRect);
-
     void prepareBasicGeometryCompositionState();
     void prepareGeometryCompositionState();
     void prepareCursorCompositionState();
@@ -972,7 +871,7 @@ protected:
      * "replaceTouchableRegionWithCrop" is specified. In this case, the layer will receive input
      * in this layer's space, regardless of the specified crop layer.
      */
-    virtual Rect getInputBounds() const;
+    Rect getInputBounds() const;
 
     // constant
     sp<SurfaceFlinger> mFlinger;
@@ -1043,7 +942,14 @@ protected:
     sp<Fence> mLastClientCompositionFence;
     bool mClearClientCompositionFenceOnLayerDisplayed = false;
 private:
-    virtual void setTransformHint(ui::Transform::RotationFlags) {}
+    friend class SlotGenerationTest;
+    friend class TransactionFrameTracerTest;
+    friend class TransactionSurfaceFrameTest;
+
+    bool getAutoRefresh() const { return mDrawingState.autoRefresh; }
+    bool getSidebandStreamChanged() const { return mSidebandStreamChanged; }
+
+    std::atomic<bool> mSidebandStreamChanged{false};
 
     // Returns true if the layer can draw shadows on its border.
     virtual bool canDrawShadows() const { return true; }
@@ -1088,6 +994,46 @@ private:
     // Fills in the frame and transform info for the gui::WindowInfo.
     void fillInputFrameInfo(gui::WindowInfo&, const ui::Transform& screenToDisplay);
 
+    inline void tracePendingBufferCount(int32_t pendingBuffers);
+
+    // Latch sideband stream and returns true if the dirty region should be updated.
+    bool latchSidebandStream(bool& recomputeVisibleRegions);
+
+    bool hasFrameUpdate() const;
+
+    void updateTexImage(nsecs_t latchTime);
+
+    // Crop that applies to the buffer
+    Rect computeBufferCrop(const State& s);
+
+    bool willPresentCurrentTransaction() const;
+
+    // Returns true if the transformed buffer size does not match the layer size and we need
+    // to apply filtering.
+    bool bufferNeedsFiltering() const;
+
+    void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
+                                   const sp<GraphicBuffer>& buffer, uint64_t framenumber,
+                                   const sp<Fence>& releaseFence,
+                                   uint32_t currentMaxAcquiredBufferCount);
+
+    // Returns true if there is a valid color to fill.
+    bool fillsColor() const;
+    // Returns true if this layer has a blur value.
+    bool hasBlur() const;
+    bool hasEffect() const { return fillsColor() || drawShadows() || hasBlur(); }
+    bool hasBufferOrSidebandStream() const {
+        return ((mSidebandStream != nullptr) || (mBufferInfo.mBuffer != nullptr));
+    }
+
+    bool hasBufferOrSidebandStreamInDrawing() const {
+        return ((mDrawingState.sidebandStream != nullptr) || (mDrawingState.buffer != nullptr));
+    }
+
+    bool hasSomethingToDraw() const { return hasEffect() || hasBufferOrSidebandStream(); }
+
+    void updateChildrenSnapshots(bool updateGeometry);
+
     // Cached properties computed from drawing state
     // Effective transform taking into account parent transforms and any parent scaling, which is
     // a transform from the current layer coordinate space to display(screen) coordinate space.
@@ -1106,11 +1052,6 @@ private:
 
     bool mGetHandleCalled = false;
 
-    // Tracks the process and user id of the caller when creating this layer
-    // to help debugging.
-    pid_t mCallingPid;
-    uid_t mCallingUid;
-
     // The current layer is a clone of mClonedFrom. This means that this layer will update it's
     // properties based on mClonedFrom. When mClonedFrom latches a new buffer for BufferLayers,
     // this layer will update it's buffer. When mClonedFrom updates it's drawing state, children,
@@ -1131,7 +1072,80 @@ private:
     bool mIsAtRoot = false;
 
     uint32_t mLayerCreationFlags;
+
     bool findInHierarchy(const sp<Layer>&);
+
+    bool mBorderEnabled = false;
+    float mBorderWidth;
+    half4 mBorderColor;
+
+    void setTransformHint(ui::Transform::RotationFlags);
+
+    const uint32_t mTextureName;
+
+    // Transform hint provided to the producer. This must be accessed holding
+    // the mStateLock.
+    ui::Transform::RotationFlags mTransformHint = ui::Transform::ROT_0;
+    bool mSkipReportingTransformHint = true;
+
+    ReleaseCallbackId mPreviousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
+    uint64_t mPreviousReleasedFrameNumber = 0;
+
+    uint64_t mPreviousBarrierFrameNumber = 0;
+
+    bool mReleasePreviousBuffer = false;
+
+    // Stores the last set acquire fence signal time used to populate the callback handle's acquire
+    // time.
+    std::variant<nsecs_t, sp<Fence>> mCallbackHandleAcquireTimeOrFence = -1;
+
+    std::deque<std::shared_ptr<android::frametimeline::SurfaceFrame>> mPendingJankClassifications;
+    // An upper bound on the number of SurfaceFrames in the pending classifications deque.
+    static constexpr int kPendingClassificationMaxSurfaceFrames = 50;
+
+    const std::string mBlastTransactionName{"BufferTX - " + mName};
+    // This integer is incremented everytime a buffer arrives at the server for this layer,
+    // and decremented when a buffer is dropped or latched. When changed the integer is exported
+    // to systrace with ATRACE_INT and mBlastTransactionName. This way when debugging perf it is
+    // possible to see when a buffer arrived at the server, and in which frame it latched.
+    //
+    // You can understand the trace this way:
+    //     - If the integer increases, a buffer arrived at the server.
+    //     - If the integer decreases in latchBuffer, that buffer was latched
+    //     - If the integer decreases in setBuffer or doTransaction, a buffer was dropped
+    std::atomic<int32_t> mPendingBufferTransactions{0};
+
+    // Contains requested position and matrix updates. This will be applied if the client does
+    // not specify a destination frame.
+    ui::Transform mRequestedTransform;
+
+    sp<LayerFE> mLayerFE;
+    std::unique_ptr<LayerSnapshot> mSnapshot = std::make_unique<LayerSnapshot>();
+
+    friend class LayerSnapshotGuard;
+};
+
+// LayerSnapshotGuard manages the movement of LayerSnapshot between a Layer and its corresponding
+// LayerFE. This class must be used whenever LayerFEs are passed to CompositionEngine. Instances of
+// LayerSnapshotGuard should only be constructed on the main thread and should not be moved outside
+// the main thread.
+//
+// Moving the snapshot instead of sharing common state prevents use of LayerFE outside the main
+// thread by making errors obvious (i.e. use outside the main thread results in SEGFAULTs due to
+// nullptr dereference).
+class LayerSnapshotGuard {
+public:
+    LayerSnapshotGuard(Layer* layer) REQUIRES(kMainThreadContext);
+    ~LayerSnapshotGuard() REQUIRES(kMainThreadContext);
+
+    LayerSnapshotGuard(const LayerSnapshotGuard&) = delete;
+    LayerSnapshotGuard& operator=(const LayerSnapshotGuard&) = delete;
+
+    LayerSnapshotGuard(LayerSnapshotGuard&& other) REQUIRES(kMainThreadContext);
+    LayerSnapshotGuard& operator=(LayerSnapshotGuard&& other) REQUIRES(kMainThreadContext);
+
+private:
+    Layer* mLayer;
 };
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate);
diff --git a/services/surfaceflinger/LayerFE.cpp b/services/surfaceflinger/LayerFE.cpp
new file mode 100644
index 0000000000..363adc641e
--- /dev/null
+++ b/services/surfaceflinger/LayerFE.cpp
@@ -0,0 +1,386 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+#undef LOG_TAG
+#define LOG_TAG "LayerFE"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <gui/GLConsumer.h>
+#include <gui/TraceUtils.h>
+#include <math/vec3.h>
+#include <system/window.h>
+#include <utils/Log.h>
+
+#include "DisplayDevice.h"
+#include "LayerFE.h"
+
+namespace android {
+
+namespace {
+constexpr float defaultMaxLuminance = 1000.0;
+
+constexpr mat4 inverseOrientation(uint32_t transform) {
+    const mat4 flipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
+    const mat4 flipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
+    const mat4 rot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
+    mat4 tr;
+
+    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
+        tr = tr * rot90;
+    }
+    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
+        tr = tr * flipH;
+    }
+    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
+        tr = tr * flipV;
+    }
+    return inverse(tr);
+}
+
+FloatRect reduce(const FloatRect& win, const Region& exclude) {
+    if (CC_LIKELY(exclude.isEmpty())) {
+        return win;
+    }
+    // Convert through Rect (by rounding) for lack of FloatRegion
+    return Region(Rect{win}).subtract(exclude).getBounds().toFloatRect();
+}
+
+// Computes the transform matrix using the setFilteringEnabled to determine whether the
+// transform matrix should be computed for use with bilinear filtering.
+void getDrawingTransformMatrix(const std::shared_ptr<renderengine::ExternalTexture>& buffer,
+                               Rect bufferCrop, uint32_t bufferTransform, bool filteringEnabled,
+                               float outMatrix[16]) {
+    if (!buffer) {
+        ALOGE("Buffer should not be null!");
+        return;
+    }
+    GLConsumer::computeTransformMatrix(outMatrix, static_cast<float>(buffer->getWidth()),
+                                       static_cast<float>(buffer->getHeight()),
+                                       buffer->getPixelFormat(), bufferCrop, bufferTransform,
+                                       filteringEnabled);
+}
+
+} // namespace
+
+LayerFE::LayerFE(const std::string& name) : mName(name) {}
+
+const compositionengine::LayerFECompositionState* LayerFE::getCompositionState() const {
+    return mSnapshot.get();
+}
+
+bool LayerFE::onPreComposition(nsecs_t refreshStartTime, bool) {
+    mCompositionResult.refreshStartTime = refreshStartTime;
+    return mSnapshot->hasReadyFrame;
+}
+
+std::optional<compositionengine::LayerFE::LayerSettings> LayerFE::prepareClientComposition(
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
+            prepareClientCompositionInternal(targetSettings);
+    // Nothing to render.
+    if (!layerSettings) {
+        return {};
+    }
+
+    // HWC requests to clear this layer.
+    if (targetSettings.clearContent) {
+        prepareClearClientComposition(*layerSettings, false /* blackout */);
+        return layerSettings;
+    }
+
+    // set the shadow for the layer if needed
+    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
+
+    return layerSettings;
+}
+
+std::optional<compositionengine::LayerFE::LayerSettings> LayerFE::prepareClientCompositionInternal(
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    ATRACE_CALL();
+    compositionengine::LayerFE::LayerSettings layerSettings;
+    layerSettings.geometry.boundaries =
+            reduce(mSnapshot->geomLayerBounds, mSnapshot->transparentRegionHint);
+    layerSettings.geometry.positionTransform = mSnapshot->geomLayerTransform.asMatrix4();
+
+    // skip drawing content if the targetSettings indicate the content will be occluded
+    const bool drawContent = targetSettings.realContentIsVisible || targetSettings.clearContent;
+    layerSettings.skipContentDraw = !drawContent;
+
+    if (!mSnapshot->colorTransformIsIdentity) {
+        layerSettings.colorTransform = mSnapshot->colorTransform;
+    }
+
+    const auto& roundedCornerState = mSnapshot->roundedCorner;
+    layerSettings.geometry.roundedCornersRadius = roundedCornerState.radius;
+    layerSettings.geometry.roundedCornersCrop = roundedCornerState.cropRect;
+
+    layerSettings.alpha = mSnapshot->alpha;
+    layerSettings.sourceDataspace = mSnapshot->dataspace;
+
+    // Override the dataspace transfer from 170M to sRGB if the device configuration requests this.
+    // We do this here instead of in buffer info so that dumpsys can still report layers that are
+    // using the 170M transfer.
+    if (targetSettings.treat170mAsSrgb &&
+        (layerSettings.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) ==
+                HAL_DATASPACE_TRANSFER_SMPTE_170M) {
+        layerSettings.sourceDataspace = static_cast<ui::Dataspace>(
+                (layerSettings.sourceDataspace & HAL_DATASPACE_STANDARD_MASK) |
+                (layerSettings.sourceDataspace & HAL_DATASPACE_RANGE_MASK) |
+                HAL_DATASPACE_TRANSFER_SRGB);
+    }
+
+    layerSettings.whitePointNits = targetSettings.whitePointNits;
+    switch (targetSettings.blurSetting) {
+        case LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled:
+            layerSettings.backgroundBlurRadius = mSnapshot->backgroundBlurRadius;
+            layerSettings.blurRegions = mSnapshot->blurRegions;
+            layerSettings.blurRegionTransform = mSnapshot->blurRegionTransform.asMatrix4();
+            break;
+        case LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly:
+            layerSettings.backgroundBlurRadius = mSnapshot->backgroundBlurRadius;
+            break;
+        case LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly:
+            layerSettings.blurRegions = mSnapshot->blurRegions;
+            layerSettings.blurRegionTransform = mSnapshot->blurRegionTransform.asMatrix4();
+            break;
+        case LayerFE::ClientCompositionTargetSettings::BlurSetting::Disabled:
+        default:
+            break;
+    }
+    layerSettings.stretchEffect = mSnapshot->stretchEffect;
+    // Record the name of the layer for debugging further down the stack.
+    layerSettings.name = mSnapshot->name;
+
+    if (hasEffect() && !hasBufferOrSidebandStream()) {
+        prepareEffectsClientComposition(layerSettings, targetSettings);
+        return layerSettings;
+    }
+
+    prepareBufferStateClientComposition(layerSettings, targetSettings);
+    return layerSettings;
+}
+
+void LayerFE::prepareClearClientComposition(LayerFE::LayerSettings& layerSettings,
+                                            bool blackout) const {
+    layerSettings.source.buffer.buffer = nullptr;
+    layerSettings.source.solidColor = half3(0.0f, 0.0f, 0.0f);
+    layerSettings.disableBlending = true;
+    layerSettings.bufferId = 0;
+    layerSettings.frameNumber = 0;
+
+    // If layer is blacked out, force alpha to 1 so that we draw a black color layer.
+    layerSettings.alpha = blackout ? 1.0f : 0.0f;
+    layerSettings.name = mSnapshot->name;
+}
+
+void LayerFE::prepareEffectsClientComposition(
+        compositionengine::LayerFE::LayerSettings& layerSettings,
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    // If fill bounds are occluded or the fill color is invalid skip the fill settings.
+    if (targetSettings.realContentIsVisible && fillsColor()) {
+        // Set color for color fill settings.
+        layerSettings.source.solidColor = mSnapshot->color.rgb;
+    } else if (hasBlur() || drawShadows()) {
+        layerSettings.skipContentDraw = true;
+    }
+}
+
+void LayerFE::prepareBufferStateClientComposition(
+        compositionengine::LayerFE::LayerSettings& layerSettings,
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    ATRACE_CALL();
+    if (CC_UNLIKELY(!mSnapshot->externalTexture)) {
+        // If there is no buffer for the layer or we have sidebandstream where there is no
+        // activeBuffer, then we need to return LayerSettings.
+        return;
+    }
+    const bool blackOutLayer =
+            (mSnapshot->hasProtectedContent && !targetSettings.supportsProtectedContent) ||
+            ((mSnapshot->isSecure || mSnapshot->hasProtectedContent) && !targetSettings.isSecure);
+    const bool bufferCanBeUsedAsHwTexture =
+            mSnapshot->externalTexture->getUsage() & GraphicBuffer::USAGE_HW_TEXTURE;
+    if (blackOutLayer || !bufferCanBeUsedAsHwTexture) {
+        ALOGE_IF(!bufferCanBeUsedAsHwTexture, "%s is blacked out as buffer is not gpu readable",
+                 mSnapshot->name.c_str());
+        prepareClearClientComposition(layerSettings, true /* blackout */);
+        return;
+    }
+
+    layerSettings.source.buffer.buffer = mSnapshot->externalTexture;
+    layerSettings.source.buffer.isOpaque = mSnapshot->contentOpaque;
+    layerSettings.source.buffer.fence = mSnapshot->acquireFence;
+    layerSettings.source.buffer.textureName = mSnapshot->textureName;
+    layerSettings.source.buffer.usePremultipliedAlpha = mSnapshot->premultipliedAlpha;
+    layerSettings.source.buffer.isY410BT2020 = mSnapshot->isHdrY410;
+    bool hasSmpte2086 = mSnapshot->hdrMetadata.validTypes & HdrMetadata::SMPTE2086;
+    bool hasCta861_3 = mSnapshot->hdrMetadata.validTypes & HdrMetadata::CTA861_3;
+    float maxLuminance = 0.f;
+    if (hasSmpte2086 && hasCta861_3) {
+        maxLuminance = std::min(mSnapshot->hdrMetadata.smpte2086.maxLuminance,
+                                mSnapshot->hdrMetadata.cta8613.maxContentLightLevel);
+    } else if (hasSmpte2086) {
+        maxLuminance = mSnapshot->hdrMetadata.smpte2086.maxLuminance;
+    } else if (hasCta861_3) {
+        maxLuminance = mSnapshot->hdrMetadata.cta8613.maxContentLightLevel;
+    } else {
+        switch (layerSettings.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) {
+            case HAL_DATASPACE_TRANSFER_ST2084:
+            case HAL_DATASPACE_TRANSFER_HLG:
+                // Behavior-match previous releases for HDR content
+                maxLuminance = defaultMaxLuminance;
+                break;
+        }
+    }
+    layerSettings.source.buffer.maxLuminanceNits = maxLuminance;
+    layerSettings.frameNumber = mSnapshot->frameNumber;
+    layerSettings.bufferId = mSnapshot->externalTexture->getId();
+
+    const bool useFiltering = targetSettings.needsFiltering ||
+            mSnapshot->geomLayerTransform.needsBilinearFiltering() ||
+            mSnapshot->bufferNeedsFiltering;
+
+    // Query the texture matrix given our current filtering mode.
+    float textureMatrix[16];
+    getDrawingTransformMatrix(layerSettings.source.buffer.buffer, mSnapshot->geomContentCrop,
+                              mSnapshot->geomBufferTransform, useFiltering, textureMatrix);
+
+    if (mSnapshot->geomBufferUsesDisplayInverseTransform) {
+        /*
+         * the code below applies the primary display's inverse transform to
+         * the texture transform
+         */
+        uint32_t transform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        mat4 tr = inverseOrientation(transform);
+
+        /**
+         * TODO(b/36727915): This is basically a hack.
+         *
+         * Ensure that regardless of the parent transformation,
+         * this buffer is always transformed from native display
+         * orientation to display orientation. For example, in the case
+         * of a camera where the buffer remains in native orientation,
+         * we want the pixels to always be upright.
+         */
+        const auto parentTransform = mSnapshot->transform;
+        tr = tr * inverseOrientation(parentTransform.getOrientation());
+
+        // and finally apply it to the original texture matrix
+        const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
+        memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
+    }
+
+    const Rect win{layerSettings.geometry.boundaries};
+    float bufferWidth = static_cast<float>(mSnapshot->bufferSize.getWidth());
+    float bufferHeight = static_cast<float>(mSnapshot->bufferSize.getHeight());
+
+    // Layers can have a "buffer size" of [0, 0, -1, -1] when no display frame has
+    // been set and there is no parent layer bounds. In that case, the scale is meaningless so
+    // ignore them.
+    if (!mSnapshot->bufferSize.isValid()) {
+        bufferWidth = float(win.right) - float(win.left);
+        bufferHeight = float(win.bottom) - float(win.top);
+    }
+
+    const float scaleHeight = (float(win.bottom) - float(win.top)) / bufferHeight;
+    const float scaleWidth = (float(win.right) - float(win.left)) / bufferWidth;
+    const float translateY = float(win.top) / bufferHeight;
+    const float translateX = float(win.left) / bufferWidth;
+
+    // Flip y-coordinates because GLConsumer expects OpenGL convention.
+    mat4 tr = mat4::translate(vec4(.5f, .5f, 0.f, 1.f)) * mat4::scale(vec4(1.f, -1.f, 1.f, 1.f)) *
+            mat4::translate(vec4(-.5f, -.5f, 0.f, 1.f)) *
+            mat4::translate(vec4(translateX, translateY, 0.f, 1.f)) *
+            mat4::scale(vec4(scaleWidth, scaleHeight, 1.0f, 1.0f));
+
+    layerSettings.source.buffer.useTextureFiltering = useFiltering;
+    layerSettings.source.buffer.textureTransform =
+            mat4(static_cast<const float*>(textureMatrix)) * tr;
+
+    return;
+}
+
+void LayerFE::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
+                                             const Rect& layerStackRect) const {
+    renderengine::ShadowSettings state = mSnapshot->shadowSettings;
+    if (state.length <= 0.f || (state.ambientColor.a <= 0.f && state.spotColor.a <= 0.f)) {
+        return;
+    }
+
+    // Shift the spot light x-position to the middle of the display and then
+    // offset it by casting layer's screen pos.
+    state.lightPos.x =
+            (static_cast<float>(layerStackRect.width()) / 2.f) - mSnapshot->transformedBounds.left;
+    state.lightPos.y -= mSnapshot->transformedBounds.top;
+    caster.shadow = state;
+}
+
+void LayerFE::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
+    mCompositionResult.releaseFences.emplace_back(std::move(futureFenceResult));
+}
+
+CompositionResult&& LayerFE::stealCompositionResult() {
+    return std::move(mCompositionResult);
+}
+
+const char* LayerFE::getDebugName() const {
+    return mName.c_str();
+}
+
+const LayerMetadata* LayerFE::getMetadata() const {
+    return &mSnapshot->layerMetadata;
+}
+
+const LayerMetadata* LayerFE::getRelativeMetadata() const {
+    return &mSnapshot->relativeLayerMetadata;
+}
+
+int32_t LayerFE::getSequence() const {
+    return mSnapshot->sequence;
+}
+
+bool LayerFE::hasRoundedCorners() const {
+    return mSnapshot->roundedCorner.hasRoundedCorners();
+}
+
+void LayerFE::setWasClientComposed(const sp<Fence>& fence) {
+    mCompositionResult.lastClientCompositionFence = fence;
+}
+
+bool LayerFE::hasBufferOrSidebandStream() const {
+    return mSnapshot->externalTexture || mSnapshot->sidebandStream;
+}
+
+bool LayerFE::fillsColor() const {
+    return mSnapshot->color.r >= 0.0_hf && mSnapshot->color.g >= 0.0_hf &&
+            mSnapshot->color.b >= 0.0_hf;
+}
+
+bool LayerFE::hasBlur() const {
+    return mSnapshot->backgroundBlurRadius > 0 || mSnapshot->blurRegions.size() > 0;
+}
+
+bool LayerFE::drawShadows() const {
+    return mSnapshot->shadowSettings.length > 0.f &&
+            (mSnapshot->shadowSettings.ambientColor.a > 0 ||
+             mSnapshot->shadowSettings.spotColor.a > 0);
+};
+
+const sp<GraphicBuffer> LayerFE::getBuffer() const {
+    return mSnapshot->externalTexture ? mSnapshot->externalTexture->getBuffer() : nullptr;
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/LayerFE.h b/services/surfaceflinger/LayerFE.h
new file mode 100644
index 0000000000..822bcb7a94
--- /dev/null
+++ b/services/surfaceflinger/LayerFE.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <gui/LayerMetadata.h>
+
+#include "compositionengine/LayerFE.h"
+#include "compositionengine/LayerFECompositionState.h"
+#include "renderengine/LayerSettings.h"
+
+namespace android {
+struct RoundedCornerState {
+    RoundedCornerState() = default;
+    RoundedCornerState(const FloatRect& cropRect, const vec2& radius)
+          : cropRect(cropRect), radius(radius) {}
+
+    // Rounded rectangle in local layer coordinate space.
+    FloatRect cropRect = FloatRect();
+    // Radius of the rounded rectangle.
+    vec2 radius;
+    bool hasRoundedCorners() const { return radius.x > 0.0f && radius.y > 0.0f; }
+};
+
+// LayerSnapshot stores Layer state used by CompositionEngine and RenderEngine. Composition
+// Engine uses a pointer to LayerSnapshot (as LayerFECompositionState*) and the LayerSettings
+// passed to Render Engine are created using properties stored on this struct.
+struct LayerSnapshot : public compositionengine::LayerFECompositionState {
+    int32_t sequence;
+    std::string name;
+    uint32_t textureName;
+    bool contentOpaque;
+    RoundedCornerState roundedCorner;
+    StretchEffect stretchEffect;
+    FloatRect transformedBounds;
+    renderengine::ShadowSettings shadowSettings;
+    bool premultipliedAlpha;
+    bool isHdrY410;
+    bool bufferNeedsFiltering;
+    ui::Transform transform;
+    Rect bufferSize;
+    std::shared_ptr<renderengine::ExternalTexture> externalTexture;
+    gui::LayerMetadata layerMetadata;
+    gui::LayerMetadata relativeLayerMetadata;
+    bool contentDirty;
+    bool hasReadyFrame;
+    ui::Transform blurRegionTransform;
+};
+
+struct CompositionResult {
+    // TODO(b/238781169) update CE to no longer pass refreshStartTime to LayerFE::onPreComposition
+    // and remove this field.
+    nsecs_t refreshStartTime = 0;
+    std::vector<ftl::SharedFuture<FenceResult>> releaseFences;
+    sp<Fence> lastClientCompositionFence = nullptr;
+};
+
+class LayerFE : public virtual RefBase, public virtual compositionengine::LayerFE {
+public:
+    LayerFE(const std::string& name);
+
+    // compositionengine::LayerFE overrides
+    const compositionengine::LayerFECompositionState* getCompositionState() const override;
+    bool onPreComposition(nsecs_t refreshStartTime, bool updatingOutputGeometryThisFrame) override;
+    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
+    const char* getDebugName() const override;
+    int32_t getSequence() const override;
+    bool hasRoundedCorners() const override;
+    void setWasClientComposed(const sp<Fence>&) override;
+    const gui::LayerMetadata* getMetadata() const override;
+    const gui::LayerMetadata* getRelativeMetadata() const override;
+    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+    CompositionResult&& stealCompositionResult();
+
+    std::unique_ptr<LayerSnapshot> mSnapshot;
+
+private:
+    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientCompositionInternal(
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+    // Modifies the passed in layer settings to clear the contents. If the blackout flag is set,
+    // the settings clears the content with a solid black fill.
+    void prepareClearClientComposition(LayerFE::LayerSettings&, bool blackout) const;
+    void prepareShadowClientComposition(LayerFE::LayerSettings& caster,
+                                        const Rect& layerStackRect) const;
+    void prepareBufferStateClientComposition(
+            compositionengine::LayerFE::LayerSettings&,
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+    void prepareEffectsClientComposition(
+            compositionengine::LayerFE::LayerSettings&,
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+
+    bool hasEffect() const { return fillsColor() || drawShadows() || hasBlur(); }
+    bool hasBufferOrSidebandStream() const;
+
+    bool fillsColor() const;
+    bool hasBlur() const;
+    bool drawShadows() const;
+
+    const sp<GraphicBuffer> getBuffer() const;
+
+    CompositionResult mCompositionResult;
+    std::string mName;
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/LayerRejecter.cpp b/services/surfaceflinger/LayerRejecter.cpp
deleted file mode 100644
index 1c0263ba0b..0000000000
--- a/services/surfaceflinger/LayerRejecter.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#include "LayerRejecter.h"
-
-#include <gui/BufferItem.h>
-#include <system/window.h>
-
-#define DEBUG_RESIZE 0
-
-namespace android {
-
-LayerRejecter::LayerRejecter(Layer::State& front, Layer::State& current,
-                             bool& recomputeVisibleRegions, bool stickySet, const std::string& name,
-                             bool transformToDisplayInverse)
-      : mFront(front),
-        mCurrent(current),
-        mRecomputeVisibleRegions(recomputeVisibleRegions),
-        mStickyTransformSet(stickySet),
-        mName(name),
-        mTransformToDisplayInverse(transformToDisplayInverse) {}
-
-bool LayerRejecter::reject(const sp<GraphicBuffer>& buf, const BufferItem& item) {
-    if (buf == nullptr) {
-        return false;
-    }
-
-    uint32_t bufWidth = buf->getWidth();
-    uint32_t bufHeight = buf->getHeight();
-
-    // check that we received a buffer of the right size
-    // (Take the buffer's orientation into account)
-    if (item.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (mTransformToDisplayInverse) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    int actualScalingMode = item.mScalingMode;
-    bool isFixedSize = actualScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
-    if (mFront.active_legacy != mFront.requested_legacy) {
-        if (isFixedSize ||
-            (bufWidth == mFront.requested_legacy.w && bufHeight == mFront.requested_legacy.h)) {
-            // Here we pretend the transaction happened by updating the
-            // current and drawing states. Drawing state is only accessed
-            // in this thread, no need to have it locked
-            mFront.active_legacy = mFront.requested_legacy;
-
-            // We also need to update the current state so that
-            // we don't end-up overwriting the drawing state with
-            // this stale current state during the next transaction
-            //
-            // NOTE: We don't need to hold the transaction lock here
-            // because State::active_legacy is only accessed from this thread.
-            mCurrent.active_legacy = mFront.active_legacy;
-            mCurrent.modified = true;
-
-            // recompute visible region
-            mRecomputeVisibleRegions = true;
-
-            if (mFront.crop != mFront.requestedCrop) {
-                mFront.crop = mFront.requestedCrop;
-                mCurrent.crop = mFront.requestedCrop;
-                mRecomputeVisibleRegions = true;
-            }
-        }
-
-        ALOGD_IF(DEBUG_RESIZE,
-                 "[%s] latchBuffer/reject: buffer (%ux%u, tr=%02x), scalingMode=%d\n"
-                 "  drawing={ active_legacy   ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} "
-                 "(%4d,%4d) "
-                 "}\n"
-                 "            requested_legacy={ wh={%4u,%4u} }}\n",
-                 mName.c_str(), bufWidth, bufHeight, item.mTransform, item.mScalingMode,
-                 mFront.active_legacy.w, mFront.active_legacy.h, mFront.crop.left, mFront.crop.top,
-                 mFront.crop.right, mFront.crop.bottom, mFront.crop.getWidth(),
-                 mFront.crop.getHeight(), mFront.requested_legacy.w, mFront.requested_legacy.h);
-    }
-
-    if (!isFixedSize && !mStickyTransformSet) {
-        if (mFront.active_legacy.w != bufWidth || mFront.active_legacy.h != bufHeight) {
-            // reject this buffer
-            ALOGE("[%s] rejecting buffer: "
-                  "bufWidth=%d, bufHeight=%d, front.active_legacy.{w=%d, h=%d}",
-                  mName.c_str(), bufWidth, bufHeight, mFront.active_legacy.w,
-                  mFront.active_legacy.h);
-            return true;
-        }
-    }
-
-    // if the transparent region has changed (this test is
-    // conservative, but that's fine, worst case we're doing
-    // a bit of extra work), we latch the new one and we
-    // trigger a visible-region recompute.
-    //
-    // We latch the transparent region here, instead of above where we latch
-    // the rest of the geometry because it is only content but not necessarily
-    // resize dependent.
-    if (!mFront.activeTransparentRegion_legacy.hasSameRects(
-                mFront.requestedTransparentRegion_legacy)) {
-        mFront.activeTransparentRegion_legacy = mFront.requestedTransparentRegion_legacy;
-
-        // We also need to update the current state so that
-        // we don't end-up overwriting the drawing state with
-        // this stale current state during the next transaction
-        //
-        // NOTE: We don't need to hold the transaction lock here
-        // because State::active_legacy is only accessed from this thread.
-        mCurrent.activeTransparentRegion_legacy = mFront.activeTransparentRegion_legacy;
-
-        // recompute visible region
-        mRecomputeVisibleRegions = true;
-    }
-
-    return false;
-}
-
-}  // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/LayerRejecter.h b/services/surfaceflinger/LayerRejecter.h
deleted file mode 100644
index 4981f451d9..0000000000
--- a/services/surfaceflinger/LayerRejecter.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "Layer.h"
-#include "BufferLayerConsumer.h"
-
-namespace android {
-
-class LayerRejecter : public BufferLayerConsumer::BufferRejecter {
-public:
-    LayerRejecter(Layer::State& front, Layer::State& current, bool& recomputeVisibleRegions,
-                  bool stickySet, const std::string& name,
-                  bool transformToDisplayInverse);
-
-    virtual bool reject(const sp<GraphicBuffer>&, const BufferItem&);
-
-private:
-    Layer::State& mFront;
-    Layer::State& mCurrent;
-    bool& mRecomputeVisibleRegions;
-    const bool mStickyTransformSet;
-    const std::string& mName;
-    const bool mTransformToDisplayInverse;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/LayerRenderArea.cpp b/services/surfaceflinger/LayerRenderArea.cpp
index 896f25404d..554fae401e 100644
--- a/services/surfaceflinger/LayerRenderArea.cpp
+++ b/services/surfaceflinger/LayerRenderArea.cpp
@@ -17,8 +17,8 @@
 #include <ui/GraphicTypes.h>
 #include <ui/Transform.h>
 
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
+#include "FrontEnd/LayerCreationArgs.h"
 #include "Layer.h"
 #include "LayerRenderArea.h"
 #include "SurfaceFlinger.h"
@@ -31,6 +31,7 @@ void reparentForDrawing(const sp<Layer>& oldParent, const sp<Layer>& newParent,
         // Compute and cache the bounds for the new parent layer.
         newParent->computeBounds(drawingBounds.toFloatRect(), ui::Transform(),
             0.f /* shadowRadius */);
+        newParent->updateSnapshot(true /* updateGeometry */);
         oldParent->setChildrenDrawingParent(newParent);
 };
 
@@ -110,8 +111,9 @@ void LayerRenderArea::render(std::function<void()> drawLayers) {
         // layer which has no properties set and which does not draw.
         //  We hold the statelock as the reparent-for-drawing operation modifies the
         //  hierarchy and there could be readers on Binder threads, like dump.
-        sp<ContainerLayer> screenshotParentLayer = mFlinger.getFactory().createContainerLayer(
-                  {&mFlinger, nullptr, "Screenshot Parent"s, 0, LayerMetadata()});
+        auto screenshotParentLayer = mFlinger.getFactory().createEffectLayer(
+                {&mFlinger, nullptr, "Screenshot Parent"s, ISurfaceComposerClient::eNoColorFill,
+                 LayerMetadata()});
         {
             Mutex::Autolock _l(mFlinger.mStateLock);
             reparentForDrawing(mLayer, screenshotParentLayer, sourceCrop);
diff --git a/services/surfaceflinger/LocklessQueue.h b/services/surfaceflinger/LocklessQueue.h
new file mode 100644
index 0000000000..6b633607ae
--- /dev/null
+++ b/services/surfaceflinger/LocklessQueue.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <atomic>
+#include <optional>
+
+template <typename T>
+// Single consumer multi producer stack. We can understand the two operations independently to see
+// why they are without race condition.
+//
+// push is responsible for maintaining a linked list stored in mPush, and called from multiple
+// threads without lock. We can see that if two threads never observe the same value from
+// mPush.load, it just functions as a normal linked list. In the case where two threads observe the
+// same value, one of them has to execute the compare_exchange first. The one that doesn't execute
+// the compare exchange first, will receive false from compare_exchange. previousHead is updated (by
+// compare_exchange) to the most recent value of mPush, and we try again. It's relatively clear to
+// see that the process can repeat with an arbitrary number of threads.
+//
+// Pop is much simpler. If mPop is empty (as it begins) it atomically exchanges
+// the entire push list with null. This is safe, since the only other reader (push)
+// of mPush will retry if it changes in between it's read and atomic compare. We
+// then store the list and pop one element.
+//
+// If we already had something in the pop list we just pop directly.
+class LocklessQueue {
+public:
+    class Entry {
+    public:
+        T mValue;
+        std::atomic<Entry*> mNext;
+        Entry(T value) : mValue(value) {}
+    };
+    std::atomic<Entry*> mPush = nullptr;
+    std::atomic<Entry*> mPop = nullptr;
+    bool isEmpty() { return (mPush.load() == nullptr) && (mPop.load() == nullptr); }
+
+    void push(T value) {
+        Entry* entry = new Entry(value);
+        Entry* previousHead = mPush.load(/*std::memory_order_relaxed*/);
+        do {
+            entry->mNext = previousHead;
+        } while (!mPush.compare_exchange_weak(previousHead, entry)); /*std::memory_order_release*/
+    }
+    std::optional<T> pop() {
+        Entry* popped = mPop.load(/*std::memory_order_acquire*/);
+        if (popped) {
+            // Single consumer so this is fine
+            mPop.store(popped->mNext /* , std::memory_order_release */);
+            auto value = popped->mValue;
+            delete popped;
+            return std::move(value);
+        } else {
+            Entry* grabbedList = mPush.exchange(nullptr /* , std::memory_order_acquire */);
+            if (!grabbedList) return std::nullopt;
+            // Reverse the list
+            while (grabbedList->mNext) {
+                Entry* next = grabbedList->mNext;
+                grabbedList->mNext = popped;
+                popped = grabbedList;
+                grabbedList = next;
+            }
+            mPop.store(popped /* , std::memory_order_release */);
+            auto value = grabbedList->mValue;
+            delete grabbedList;
+            return std::move(value);
+        }
+    }
+};
diff --git a/services/surfaceflinger/MonitoredProducer.cpp b/services/surfaceflinger/MonitoredProducer.cpp
deleted file mode 100644
index df76f50112..0000000000
--- a/services/surfaceflinger/MonitoredProducer.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#include "MonitoredProducer.h"
-#include "Layer.h"
-#include "SurfaceFlinger.h"
-
-#include "Scheduler/MessageQueue.h"
-
-namespace android {
-
-MonitoredProducer::MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-        const sp<SurfaceFlinger>& flinger,
-        const wp<Layer>& layer) :
-    mProducer(producer),
-    mFlinger(flinger),
-    mLayer(layer) {}
-
-MonitoredProducer::~MonitoredProducer() {}
-
-status_t MonitoredProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    return mProducer->requestBuffer(slot, buf);
-}
-
-status_t MonitoredProducer::setMaxDequeuedBufferCount(
-        int maxDequeuedBuffers) {
-    return mProducer->setMaxDequeuedBufferCount(maxDequeuedBuffers);
-}
-
-status_t MonitoredProducer::setAsyncMode(bool async) {
-    return mProducer->setAsyncMode(async);
-}
-
-status_t MonitoredProducer::dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h,
-                                          PixelFormat format, uint64_t usage,
-                                          uint64_t* outBufferAge,
-                                          FrameEventHistoryDelta* outTimestamps) {
-    return mProducer->dequeueBuffer(slot, fence, w, h, format, usage, outBufferAge, outTimestamps);
-}
-
-status_t MonitoredProducer::detachBuffer(int slot) {
-    return mProducer->detachBuffer(slot);
-}
-
-status_t MonitoredProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence) {
-    return mProducer->detachNextBuffer(outBuffer, outFence);
-}
-
-status_t MonitoredProducer::attachBuffer(int* outSlot,
-        const sp<GraphicBuffer>& buffer) {
-    return mProducer->attachBuffer(outSlot, buffer);
-}
-
-status_t MonitoredProducer::queueBuffer(int slot, const QueueBufferInput& input,
-        QueueBufferOutput* output) {
-    return mProducer->queueBuffer(slot, input, output);
-}
-
-status_t MonitoredProducer::cancelBuffer(int slot, const sp<Fence>& fence) {
-    return mProducer->cancelBuffer(slot, fence);
-}
-
-int MonitoredProducer::query(int what, int* value) {
-    return mProducer->query(what, value);
-}
-
-status_t MonitoredProducer::connect(const sp<IProducerListener>& listener,
-        int api, bool producerControlledByApp, QueueBufferOutput* output) {
-    return mProducer->connect(listener, api, producerControlledByApp, output);
-}
-
-status_t MonitoredProducer::disconnect(int api, DisconnectMode mode) {
-    return mProducer->disconnect(api, mode);
-}
-
-status_t MonitoredProducer::setSidebandStream(const sp<NativeHandle>& stream) {
-    return mProducer->setSidebandStream(stream);
-}
-
-void MonitoredProducer::allocateBuffers(uint32_t width, uint32_t height,
-        PixelFormat format, uint64_t usage) {
-    mProducer->allocateBuffers(width, height, format, usage);
-}
-
-status_t MonitoredProducer::allowAllocation(bool allow) {
-    return mProducer->allowAllocation(allow);
-}
-
-status_t MonitoredProducer::setGenerationNumber(uint32_t generationNumber) {
-    return mProducer->setGenerationNumber(generationNumber);
-}
-
-String8 MonitoredProducer::getConsumerName() const {
-    return mProducer->getConsumerName();
-}
-
-status_t MonitoredProducer::setSharedBufferMode(bool sharedBufferMode) {
-    return mProducer->setSharedBufferMode(sharedBufferMode);
-}
-
-status_t MonitoredProducer::setAutoRefresh(bool autoRefresh) {
-    return mProducer->setAutoRefresh(autoRefresh);
-}
-
-status_t MonitoredProducer::setDequeueTimeout(nsecs_t timeout) {
-    return mProducer->setDequeueTimeout(timeout);
-}
-
-status_t MonitoredProducer::setLegacyBufferDrop(bool drop) {
-    return mProducer->setLegacyBufferDrop(drop);
-}
-
-status_t MonitoredProducer::getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence, float outTransformMatrix[16]) {
-    return mProducer->getLastQueuedBuffer(outBuffer, outFence,
-            outTransformMatrix);
-}
-
-status_t MonitoredProducer::getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence,
-                                                Rect* outRect, uint32_t* outTransform) {
-    return mProducer->getLastQueuedBuffer(outBuffer, outFence, outRect, outTransform);
-}
-
-void MonitoredProducer::getFrameTimestamps(FrameEventHistoryDelta* outDelta) {
-    mProducer->getFrameTimestamps(outDelta);
-}
-
-status_t MonitoredProducer::getUniqueId(uint64_t* outId) const {
-    return mProducer->getUniqueId(outId);
-}
-
-status_t MonitoredProducer::getConsumerUsage(uint64_t* outUsage) const {
-    return mProducer->getConsumerUsage(outUsage);
-}
-
-status_t MonitoredProducer::setAutoPrerotation(bool autoPrerotation) {
-    return mProducer->setAutoPrerotation(autoPrerotation);
-}
-
-IBinder* MonitoredProducer::onAsBinder() {
-    return this;
-}
-
-sp<Layer> MonitoredProducer::getLayer() const {
-    return mLayer.promote();
-}
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/MonitoredProducer.h b/services/surfaceflinger/MonitoredProducer.h
deleted file mode 100644
index 3778277fd3..0000000000
--- a/services/surfaceflinger/MonitoredProducer.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_MONITORED_PRODUCER_H
-#define ANDROID_MONITORED_PRODUCER_H
-
-#include <gui/IGraphicBufferProducer.h>
-
-namespace android {
-
-class IProducerListener;
-class NativeHandle;
-class SurfaceFlinger;
-class Layer;
-
-// MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will
-// be notified upon its destruction
-class MonitoredProducer : public BnGraphicBufferProducer {
-public:
-    MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-            const sp<SurfaceFlinger>& flinger,
-            const wp<Layer>& layer);
-    virtual ~MonitoredProducer();
-
-    // From IGraphicBufferProducer
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-    virtual status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers);
-    virtual status_t setAsyncMode(bool async);
-    virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h,
-                                   PixelFormat format, uint64_t usage, uint64_t* outBufferAge,
-                                   FrameEventHistoryDelta* outTimestamps);
-    virtual status_t detachBuffer(int slot);
-    virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence);
-    virtual status_t attachBuffer(int* outSlot,
-            const sp<GraphicBuffer>& buffer);
-    virtual status_t queueBuffer(int slot, const QueueBufferInput& input,
-            QueueBufferOutput* output);
-    virtual status_t cancelBuffer(int slot, const sp<Fence>& fence);
-    virtual int query(int what, int* value);
-    virtual status_t connect(const sp<IProducerListener>& token, int api,
-            bool producerControlledByApp, QueueBufferOutput* output);
-    virtual status_t disconnect(int api, DisconnectMode mode);
-    virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
-    virtual void allocateBuffers(uint32_t width, uint32_t height,
-            PixelFormat format, uint64_t usage);
-    virtual status_t allowAllocation(bool allow);
-    virtual status_t setGenerationNumber(uint32_t generationNumber);
-    virtual String8 getConsumerName() const override;
-    virtual status_t setDequeueTimeout(nsecs_t timeout) override;
-    virtual status_t setLegacyBufferDrop(bool drop) override;
-    virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence, float outTransformMatrix[16]) override;
-    virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence,
-                                         Rect* outRect, uint32_t* outTransform) override;
-    virtual IBinder* onAsBinder();
-    virtual status_t setSharedBufferMode(bool sharedBufferMode) override;
-    virtual status_t setAutoRefresh(bool autoRefresh) override;
-    virtual void getFrameTimestamps(FrameEventHistoryDelta *outDelta) override;
-    virtual status_t getUniqueId(uint64_t* outId) const override;
-    virtual status_t getConsumerUsage(uint64_t* outUsage) const override;
-    virtual status_t setAutoPrerotation(bool autoPrerotation) override;
-
-    // The Layer which created this producer, and on which queued Buffer's will be displayed.
-    sp<Layer> getLayer() const;
-
-private:
-    sp<IGraphicBufferProducer> mProducer;
-    sp<SurfaceFlinger> mFlinger;
-    // The Layer which created this producer, and on which queued Buffer's will be displayed.
-    wp<Layer> mLayer;
-};
-
-}; // namespace android
-
-#endif // ANDROID_MONITORED_PRODUCER_H
diff --git a/services/surfaceflinger/NativeWindowSurface.cpp b/services/surfaceflinger/NativeWindowSurface.cpp
index 3fff9283ee..a6a3eec8ff 100644
--- a/services/surfaceflinger/NativeWindowSurface.cpp
+++ b/services/surfaceflinger/NativeWindowSurface.cpp
@@ -30,7 +30,7 @@ std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
     class NativeWindowSurface final : public surfaceflinger::NativeWindowSurface {
     public:
         explicit NativeWindowSurface(const sp<IGraphicBufferProducer>& producer)
-              : mSurface(new Surface(producer, /* controlledByApp */ false)) {}
+              : mSurface(sp<Surface>::make(producer, /* controlledByApp */ false)) {}
 
         ~NativeWindowSurface() override = default;
 
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index a9180d4483..7aa7e17b3b 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -42,8 +42,8 @@ constexpr int kDigitWidth = 64;
 constexpr int kDigitHeight = 100;
 constexpr int kDigitSpace = 16;
 
-// Layout is digit, space, digit, space, digit, space, spinner.
-constexpr int kBufferWidth = 4 * kDigitWidth + 3 * kDigitSpace;
+constexpr int kMaxDigits = /*displayFps*/ 3 + /*renderFps*/ 3 + /*spinner*/ 1;
+constexpr int kBufferWidth = kMaxDigits * kDigitWidth + (kMaxDigits - 1) * kDigitSpace;
 constexpr int kBufferHeight = kDigitHeight;
 
 SurfaceComposerClient::Transaction createTransaction(const sp<SurfaceControl>& surface) {
@@ -121,16 +121,10 @@ void RefreshRateOverlay::SevenSegmentDrawer::drawDigit(int digit, int left, SkCo
         drawSegment(Segment::Bottom, left, color, canvas);
 }
 
-auto RefreshRateOverlay::SevenSegmentDrawer::draw(int number, SkColor color,
+auto RefreshRateOverlay::SevenSegmentDrawer::draw(int displayFps, int renderFps, SkColor color,
                                                   ui::Transform::RotationFlags rotation,
-                                                  bool showSpinner) -> Buffers {
-    if (number < 0 || number > 1000) return {};
-
-    const auto hundreds = number / 100;
-    const auto tens = (number / 10) % 10;
-    const auto ones = number % 10;
-
-    const size_t loopCount = showSpinner ? 6 : 1;
+                                                  ftl::Flags<Features> features) -> Buffers {
+    const size_t loopCount = features.test(Features::Spinner) ? 6 : 1;
 
     Buffers buffers;
     buffers.reserve(loopCount);
@@ -152,13 +146,13 @@ auto RefreshRateOverlay::SevenSegmentDrawer::draw(int number, SkColor color,
             }
         }();
 
-        sp<GraphicBuffer> buffer =
-                new GraphicBuffer(static_cast<uint32_t>(bufferWidth),
-                                  static_cast<uint32_t>(bufferHeight), HAL_PIXEL_FORMAT_RGBA_8888,
-                                  1,
-                                  GRALLOC_USAGE_SW_WRITE_RARELY | GRALLOC_USAGE_HW_COMPOSER |
-                                          GRALLOC_USAGE_HW_TEXTURE,
-                                  "RefreshRateOverlayBuffer");
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_WRITE_RARELY | GRALLOC_USAGE_HW_COMPOSER |
+                                      GRALLOC_USAGE_HW_TEXTURE);
+        sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                                           static_cast<uint32_t>(bufferHeight),
+                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1u,
+                                                           kUsageFlags, "RefreshRateOverlayBuffer");
 
         const status_t bufferStatus = buffer->initCheck();
         LOG_ALWAYS_FATAL_IF(bufferStatus != OK, "RefreshRateOverlay: Buffer failed to allocate: %d",
@@ -169,20 +163,9 @@ auto RefreshRateOverlay::SevenSegmentDrawer::draw(int number, SkColor color,
         canvas->setMatrix(canvasTransform);
 
         int left = 0;
-        if (hundreds != 0) {
-            drawDigit(hundreds, left, color, *canvas);
-        }
-        left += kDigitWidth + kDigitSpace;
-
-        if (tens != 0) {
-            drawDigit(tens, left, color, *canvas);
-        }
-        left += kDigitWidth + kDigitSpace;
-
-        drawDigit(ones, left, color, *canvas);
-        left += kDigitWidth + kDigitSpace;
-
-        if (showSpinner) {
+        drawNumber(displayFps, left, color, *canvas);
+        left += 3 * (kDigitWidth + kDigitSpace);
+        if (features.test(Features::Spinner)) {
             switch (i) {
                 case 0:
                     drawSegment(Segment::Upper, left, color, *canvas);
@@ -205,6 +188,13 @@ auto RefreshRateOverlay::SevenSegmentDrawer::draw(int number, SkColor color,
             }
         }
 
+        left += kDigitWidth + kDigitSpace;
+
+        if (features.test(Features::RenderRate)) {
+            drawNumber(renderFps, left, color, *canvas);
+        }
+        left += 3 * (kDigitWidth + kDigitSpace);
+
         void* pixels = nullptr;
         buffer->lock(GRALLOC_USAGE_SW_WRITE_RARELY, reinterpret_cast<void**>(&pixels));
 
@@ -219,6 +209,23 @@ auto RefreshRateOverlay::SevenSegmentDrawer::draw(int number, SkColor color,
     return buffers;
 }
 
+void RefreshRateOverlay::SevenSegmentDrawer::drawNumber(int number, int left, SkColor color,
+                                                        SkCanvas& canvas) {
+    if (number < 0 || number >= 1000) return;
+
+    if (number >= 100) {
+        drawDigit(number / 100, left, color, canvas);
+    }
+    left += kDigitWidth + kDigitSpace;
+
+    if (number >= 10) {
+        drawDigit((number / 10) % 10, left, color, canvas);
+    }
+    left += kDigitWidth + kDigitSpace;
+
+    drawDigit(number % 10, left, color, canvas);
+}
+
 std::unique_ptr<SurfaceControlHolder> createSurfaceControlHolder() {
     sp<SurfaceControl> surfaceControl =
             SurfaceComposerClient::getDefault()
@@ -228,10 +235,8 @@ std::unique_ptr<SurfaceControlHolder> createSurfaceControlHolder() {
     return std::make_unique<SurfaceControlHolder>(std::move(surfaceControl));
 }
 
-RefreshRateOverlay::RefreshRateOverlay(FpsRange fpsRange, bool showSpinner)
-      : mFpsRange(fpsRange),
-        mShowSpinner(showSpinner),
-        mSurfaceControl(createSurfaceControlHolder()) {
+RefreshRateOverlay::RefreshRateOverlay(FpsRange fpsRange, ftl::Flags<Features> features)
+      : mFpsRange(fpsRange), mFeatures(features), mSurfaceControl(createSurfaceControlHolder()) {
     if (!mSurfaceControl) {
         ALOGE("%s: Failed to create buffer state layer", __func__);
         return;
@@ -243,10 +248,15 @@ RefreshRateOverlay::RefreshRateOverlay(FpsRange fpsRange, bool showSpinner)
             .apply();
 }
 
-auto RefreshRateOverlay::getOrCreateBuffers(Fps fps) -> const Buffers& {
+auto RefreshRateOverlay::getOrCreateBuffers(Fps displayFps, Fps renderFps) -> const Buffers& {
     static const Buffers kNoBuffers;
     if (!mSurfaceControl) return kNoBuffers;
 
+    // avoid caching different render rates if RenderRate is anyway not visible
+    if (!mFeatures.test(Features::RenderRate)) {
+        renderFps = 0_Hz;
+    }
+
     const auto transformHint =
             static_cast<ui::Transform::RotationFlags>(mSurfaceControl->get()->getTransformHint());
 
@@ -266,17 +276,20 @@ auto RefreshRateOverlay::getOrCreateBuffers(Fps fps) -> const Buffers& {
             .setTransform(mSurfaceControl->get(), transform)
             .apply();
 
-    BufferCache::const_iterator it = mBufferCache.find({fps.getIntValue(), transformHint});
+    BufferCache::const_iterator it =
+            mBufferCache.find({displayFps.getIntValue(), renderFps.getIntValue(), transformHint});
     if (it == mBufferCache.end()) {
         const int minFps = mFpsRange.min.getIntValue();
         const int maxFps = mFpsRange.max.getIntValue();
 
-        // Clamp to the range. The current fps may be outside of this range if the display has
-        // changed its set of supported refresh rates.
-        const int intFps = std::clamp(fps.getIntValue(), minFps, maxFps);
+        // Clamp to the range. The current displayFps may be outside of this range if the display
+        // has changed its set of supported refresh rates.
+        const int displayIntFps = std::clamp(displayFps.getIntValue(), minFps, maxFps);
+        const int renderIntFps = renderFps.getIntValue();
 
         // Ensure non-zero range to avoid division by zero.
-        const float fpsScale = static_cast<float>(intFps - minFps) / std::max(1, maxFps - minFps);
+        const float fpsScale =
+                static_cast<float>(displayIntFps - minFps) / std::max(1, maxFps - minFps);
 
         constexpr SkColor kMinFpsColor = SK_ColorRED;
         constexpr SkColor kMaxFpsColor = SK_ColorGREEN;
@@ -292,8 +305,11 @@ auto RefreshRateOverlay::getOrCreateBuffers(Fps fps) -> const Buffers& {
 
         const SkColor color = colorBase.toSkColor();
 
-        auto buffers = SevenSegmentDrawer::draw(intFps, color, transformHint, mShowSpinner);
-        it = mBufferCache.try_emplace({intFps, transformHint}, std::move(buffers)).first;
+        auto buffers = SevenSegmentDrawer::draw(displayIntFps, renderIntFps, color, transformHint,
+                                                mFeatures);
+        it = mBufferCache
+                     .try_emplace({displayIntFps, renderIntFps, transformHint}, std::move(buffers))
+                     .first;
     }
 
     return it->second;
@@ -303,7 +319,7 @@ void RefreshRateOverlay::setViewport(ui::Size viewport) {
     constexpr int32_t kMaxWidth = 1000;
     const auto width = std::min({kMaxWidth, viewport.width, viewport.height});
     const auto height = 2 * width;
-    Rect frame((3 * width) >> 4, height >> 5);
+    Rect frame((5 * width) >> 4, height >> 5);
     frame.offsetBy(width >> 5, height >> 4);
 
     createTransaction(mSurfaceControl->get())
@@ -317,16 +333,17 @@ void RefreshRateOverlay::setLayerStack(ui::LayerStack stack) {
     createTransaction(mSurfaceControl->get()).setLayerStack(mSurfaceControl->get(), stack).apply();
 }
 
-void RefreshRateOverlay::changeRefreshRate(Fps fps) {
-    mCurrentFps = fps;
-    const auto buffer = getOrCreateBuffers(fps)[mFrame];
+void RefreshRateOverlay::changeRefreshRate(Fps displayFps, Fps renderFps) {
+    mDisplayFps = displayFps;
+    mRenderFps = renderFps;
+    const auto buffer = getOrCreateBuffers(displayFps, renderFps)[mFrame];
     createTransaction(mSurfaceControl->get()).setBuffer(mSurfaceControl->get(), buffer).apply();
 }
 
 void RefreshRateOverlay::animate() {
-    if (!mShowSpinner || !mCurrentFps) return;
+    if (!mFeatures.test(Features::Spinner) || !mDisplayFps) return;
 
-    const auto& buffers = getOrCreateBuffers(*mCurrentFps);
+    const auto& buffers = getOrCreateBuffers(*mDisplayFps, *mRenderFps);
     mFrame = (mFrame + 1) % buffers.size();
     const auto buffer = buffers[mFrame];
     createTransaction(mSurfaceControl->get()).setBuffer(mSurfaceControl->get(), buffer).apply();
diff --git a/services/surfaceflinger/RefreshRateOverlay.h b/services/surfaceflinger/RefreshRateOverlay.h
index a2966e654e..d6f828f7f1 100644
--- a/services/surfaceflinger/RefreshRateOverlay.h
+++ b/services/surfaceflinger/RefreshRateOverlay.h
@@ -19,6 +19,7 @@
 #include <SkColor.h>
 #include <vector>
 
+#include <ftl/flags.h>
 #include <ftl/small_map.h>
 #include <ui/LayerStack.h>
 #include <ui/Size.h>
@@ -50,11 +51,16 @@ private:
 
 class RefreshRateOverlay {
 public:
-    RefreshRateOverlay(FpsRange, bool showSpinner);
+    enum class Features {
+        Spinner = 1 << 0,
+        RenderRate = 1 << 1,
+    };
+
+    RefreshRateOverlay(FpsRange, ftl::Flags<Features>);
 
     void setLayerStack(ui::LayerStack);
     void setViewport(ui::Size);
-    void changeRefreshRate(Fps);
+    void changeRefreshRate(Fps, Fps);
     void animate();
 
 private:
@@ -62,32 +68,39 @@ private:
 
     class SevenSegmentDrawer {
     public:
-        static Buffers draw(int number, SkColor, ui::Transform::RotationFlags, bool showSpinner);
+        static Buffers draw(int displayFps, int renderFps, SkColor, ui::Transform::RotationFlags,
+                            ftl::Flags<Features>);
 
     private:
         enum class Segment { Upper, UpperLeft, UpperRight, Middle, LowerLeft, LowerRight, Bottom };
 
         static void drawSegment(Segment, int left, SkColor, SkCanvas&);
         static void drawDigit(int digit, int left, SkColor, SkCanvas&);
+        static void drawNumber(int number, int left, SkColor, SkCanvas&);
     };
 
-    const Buffers& getOrCreateBuffers(Fps);
+    const Buffers& getOrCreateBuffers(Fps, Fps);
 
     struct Key {
-        int fps;
+        int displayFps;
+        int renderFps;
         ui::Transform::RotationFlags flags;
 
-        bool operator==(Key other) const { return fps == other.fps && flags == other.flags; }
+        bool operator==(Key other) const {
+            return displayFps == other.displayFps && renderFps == other.renderFps &&
+                    flags == other.flags;
+        }
     };
 
     using BufferCache = ftl::SmallMap<Key, Buffers, 9>;
     BufferCache mBufferCache;
 
-    std::optional<Fps> mCurrentFps;
+    std::optional<Fps> mDisplayFps;
+    std::optional<Fps> mRenderFps;
     size_t mFrame = 0;
 
     const FpsRange mFpsRange; // For color interpolation.
-    const bool mShowSpinner;
+    const ftl::Flags<Features> mFeatures;
 
     const std::unique_ptr<SurfaceControlHolder> mSurfaceControl;
 };
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 2487dbd793..6e64e0a13b 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -40,6 +40,7 @@
 
 #include "DisplayDevice.h"
 #include "DisplayRenderArea.h"
+#include "FrontEnd/LayerCreationArgs.h"
 #include "Layer.h"
 #include "Scheduler/VsyncController.h"
 #include "SurfaceFlinger.h"
@@ -129,12 +130,12 @@ RegionSamplingThread::~RegionSamplingThread() {
     }
 }
 
-void RegionSamplingThread::addListener(const Rect& samplingArea, const wp<Layer>& stopLayer,
+void RegionSamplingThread::addListener(const Rect& samplingArea, uint32_t stopLayerId,
                                        const sp<IRegionSamplingListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mSamplingMutex);
-    mDescriptors.emplace(wp<IBinder>(asBinder), Descriptor{samplingArea, stopLayer, listener});
+    mDescriptors.emplace(wp<IBinder>(asBinder), Descriptor{samplingArea, stopLayerId, listener});
 }
 
 void RegionSamplingThread::removeListener(const sp<IRegionSamplingListener>& listener) {
@@ -203,25 +204,14 @@ float sampleArea(const uint32_t* data, int32_t width, int32_t height, int32_t st
         return 0.0f;
     }
 
-    // (b/133849373) ROT_90 screencap images produced upside down
-    auto area = sample_area;
-    if (orientation & ui::Transform::ROT_90) {
-        area.top = height - area.top;
-        area.bottom = height - area.bottom;
-        std::swap(area.top, area.bottom);
-
-        area.left = width - area.left;
-        area.right = width - area.right;
-        std::swap(area.left, area.right);
-    }
-
-    const uint32_t pixelCount = (area.bottom - area.top) * (area.right - area.left);
+    const uint32_t pixelCount =
+            (sample_area.bottom - sample_area.top) * (sample_area.right - sample_area.left);
     uint32_t accumulatedLuma = 0;
 
     // Calculates luma with approximation of Rec. 709 primaries
-    for (int32_t row = area.top; row < area.bottom; ++row) {
+    for (int32_t row = sample_area.top; row < sample_area.bottom; ++row) {
         const uint32_t* rowBase = data + row * stride;
-        for (int32_t column = area.left; column < area.right; ++column) {
+        for (int32_t column = sample_area.left; column < sample_area.right; ++column) {
             uint32_t pixel = rowBase[column];
             const uint32_t r = pixel & 0xFF;
             const uint32_t g = (pixel >> 8) & 0xFF;
@@ -302,8 +292,8 @@ void RegionSamplingThread::captureSample() {
             if (stopLayerFound) return;
 
             // Likewise if we just found a stop layer, set the flag and abort
-            for (const auto& [area, stopLayer, listener] : descriptors) {
-                if (layer == stopLayer.promote().get()) {
+            for (const auto& [area, stopLayerId, listener] : descriptors) {
+                if (stopLayerId != UNASSIGNED_LAYER_ID && layer->getSequence() == stopLayerId) {
                     stopLayerFound = true;
                     return;
                 }
@@ -344,8 +334,8 @@ void RegionSamplingThread::captureSample() {
         const uint32_t usage =
                 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
         sp<GraphicBuffer> graphicBuffer =
-                new GraphicBuffer(sampledBounds.getWidth(), sampledBounds.getHeight(),
-                                  PIXEL_FORMAT_RGBA_8888, 1, usage, "RegionSamplingThread");
+                sp<GraphicBuffer>::make(sampledBounds.getWidth(), sampledBounds.getHeight(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "RegionSamplingThread");
         const status_t bufferStatus = graphicBuffer->initCheck();
         LOG_ALWAYS_FATAL_IF(bufferStatus != OK, "captureSample: Buffer failed to allocate: %d",
                             bufferStatus);
diff --git a/services/surfaceflinger/RegionSamplingThread.h b/services/surfaceflinger/RegionSamplingThread.h
index 686b4b1e1f..b62b15cb6d 100644
--- a/services/surfaceflinger/RegionSamplingThread.h
+++ b/services/surfaceflinger/RegionSamplingThread.h
@@ -26,6 +26,7 @@
 
 #include <chrono>
 #include <condition_variable>
+#include <cstdint>
 #include <mutex>
 #include <thread>
 #include <unordered_map>
@@ -73,7 +74,7 @@ public:
 
     // Add a listener to receive luma notifications. The luma reported via listener will
     // report the median luma for the layers under the stopLayerHandle, in the samplingArea region.
-    void addListener(const Rect& samplingArea, const wp<Layer>& stopLayer,
+    void addListener(const Rect& samplingArea, uint32_t stopLayerId,
                      const sp<IRegionSamplingListener>& listener);
     // Remove the listener to stop receiving median luma notifications.
     void removeListener(const sp<IRegionSamplingListener>& listener);
@@ -87,7 +88,7 @@ public:
 private:
     struct Descriptor {
         Rect area = Rect::EMPTY_RECT;
-        wp<Layer> stopLayer;
+        uint32_t stopLayerId;
         sp<IRegionSamplingListener> listener;
     };
 
diff --git a/services/surfaceflinger/Scheduler/Android.bp b/services/surfaceflinger/Scheduler/Android.bp
index 5de796d742..5bd8a99361 100644
--- a/services/surfaceflinger/Scheduler/Android.bp
+++ b/services/surfaceflinger/Scheduler/Android.bp
@@ -18,6 +18,7 @@ cc_defaults {
         "libbase",
         "libcutils",
         "liblog",
+        "libui",
         "libutils",
     ],
 }
@@ -39,6 +40,7 @@ cc_library_static {
     name: "libscheduler",
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "src/PresentLatencyTracker.cpp",
         "src/Timer.cpp",
     ],
     local_include_dirs: ["include"],
@@ -50,6 +52,7 @@ cc_test {
     test_suites: ["device-tests"],
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "tests/PresentLatencyTrackerTest.cpp",
         "tests/TimerTest.cpp",
     ],
     static_libs: [
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index 639ba5a3f1..008d8c4461 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -124,12 +124,12 @@ DisplayEventReceiver::Event makeVSync(PhysicalDisplayId displayId, nsecs_t times
     return event;
 }
 
-DisplayEventReceiver::Event makeModeChanged(DisplayModePtr mode) {
+DisplayEventReceiver::Event makeModeChanged(const scheduler::FrameRateMode& mode) {
     DisplayEventReceiver::Event event;
-    event.header = {DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE, mode->getPhysicalDisplayId(),
-                    systemTime()};
-    event.modeChange.modeId = mode->getId().value();
-    event.modeChange.vsyncPeriod = mode->getVsyncPeriod();
+    event.header = {DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE,
+                    mode.modePtr->getPhysicalDisplayId(), systemTime()};
+    event.modeChange.modeId = mode.modePtr->getId().value();
+    event.modeChange.vsyncPeriod = mode.fps.getPeriodNsecs();
     return event;
 }
 
@@ -157,9 +157,9 @@ DisplayEventReceiver::Event makeFrameRateOverrideFlushEvent(PhysicalDisplayId di
 
 } // namespace
 
-EventThreadConnection::EventThreadConnection(
-        EventThread* eventThread, uid_t callingUid, ResyncCallback resyncCallback,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration)
+EventThreadConnection::EventThreadConnection(EventThread* eventThread, uid_t callingUid,
+                                             ResyncCallback resyncCallback,
+                                             EventRegistrationFlags eventRegistration)
       : resyncCallback(std::move(resyncCallback)),
         mOwnerUid(callingUid),
         mEventRegistration(eventRegistration),
@@ -173,7 +173,7 @@ EventThreadConnection::~EventThreadConnection() {
 
 void EventThreadConnection::onFirstRef() {
     // NOTE: mEventThread doesn't hold a strong reference on us
-    mEventThread->registerDisplayEventConnection(this);
+    mEventThread->registerDisplayEventConnection(sp<EventThreadConnection>::fromExisting(this));
 }
 
 binder::Status EventThreadConnection::stealReceiveChannel(gui::BitTube* outChannel) {
@@ -188,20 +188,22 @@ binder::Status EventThreadConnection::stealReceiveChannel(gui::BitTube* outChann
 }
 
 binder::Status EventThreadConnection::setVsyncRate(int rate) {
-    mEventThread->setVsyncRate(static_cast<uint32_t>(rate), this);
+    mEventThread->setVsyncRate(static_cast<uint32_t>(rate),
+                               sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
 binder::Status EventThreadConnection::requestNextVsync() {
     ATRACE_CALL();
-    mEventThread->requestNextVsync(this);
+    mEventThread->requestNextVsync(sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
 binder::Status EventThreadConnection::getLatestVsyncEventData(
         ParcelableVsyncEventData* outVsyncEventData) {
     ATRACE_CALL();
-    outVsyncEventData->vsync = mEventThread->getLatestVsyncEventData(this);
+    outVsyncEventData->vsync =
+            mEventThread->getLatestVsyncEventData(sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
@@ -235,16 +237,13 @@ namespace impl {
 
 EventThread::EventThread(std::unique_ptr<VSyncSource> vsyncSource,
                          android::frametimeline::TokenManager* tokenManager,
-                         InterceptVSyncsCallback interceptVSyncsCallback,
                          ThrottleVsyncCallback throttleVsyncCallback,
                          GetVsyncPeriodFunction getVsyncPeriodFunction)
       : mVSyncSource(std::move(vsyncSource)),
         mTokenManager(tokenManager),
-        mInterceptVSyncsCallback(std::move(interceptVSyncsCallback)),
         mThrottleVsyncCallback(std::move(throttleVsyncCallback)),
         mGetVsyncPeriodFunction(std::move(getVsyncPeriodFunction)),
         mThreadName(mVSyncSource->getName()) {
-
     LOG_ALWAYS_FATAL_IF(getVsyncPeriodFunction == nullptr,
             "getVsyncPeriodFunction must not be null");
 
@@ -288,11 +287,10 @@ void EventThread::setDuration(std::chrono::nanoseconds workDuration,
 }
 
 sp<EventThreadConnection> EventThread::createEventConnection(
-        ResyncCallback resyncCallback,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) const {
-    return new EventThreadConnection(const_cast<EventThread*>(this),
-                                     IPCThreadState::self()->getCallingUid(),
-                                     std::move(resyncCallback), eventRegistration);
+        ResyncCallback resyncCallback, EventRegistrationFlags eventRegistration) const {
+    return sp<EventThreadConnection>::make(const_cast<EventThread*>(this),
+                                           IPCThreadState::self()->getCallingUid(),
+                                           std::move(resyncCallback), eventRegistration);
 }
 
 status_t EventThread::registerDisplayEventConnection(const sp<EventThreadConnection>& connection) {
@@ -407,7 +405,7 @@ void EventThread::onHotplugReceived(PhysicalDisplayId displayId, bool connected)
     mCondition.notify_all();
 }
 
-void EventThread::onModeChanged(DisplayModePtr mode) {
+void EventThread::onModeChanged(const scheduler::FrameRateMode& mode) {
     std::lock_guard<std::mutex> lock(mMutex);
 
     mPendingEvents.push_back(makeModeChanged(mode));
@@ -442,21 +440,13 @@ void EventThread::threadMain(std::unique_lock<std::mutex>& lock) {
             event = mPendingEvents.front();
             mPendingEvents.pop_front();
 
-            switch (event->header.type) {
-                case DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG:
-                    if (event->hotplug.connected && !mVSyncState) {
-                        mVSyncState.emplace(event->header.displayId);
-                    } else if (!event->hotplug.connected && mVSyncState &&
-                               mVSyncState->displayId == event->header.displayId) {
-                        mVSyncState.reset();
-                    }
-                    break;
-
-                case DisplayEventReceiver::DISPLAY_EVENT_VSYNC:
-                    if (mInterceptVSyncsCallback) {
-                        mInterceptVSyncsCallback(event->header.timestamp);
-                    }
-                    break;
+            if (event->header.type == DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG) {
+                if (event->hotplug.connected && !mVSyncState) {
+                    mVSyncState.emplace(event->header.displayId);
+                } else if (!event->hotplug.connected && mVSyncState &&
+                           mVSyncState->displayId == event->header.displayId) {
+                    mVSyncState.reset();
+                }
             }
         }
 
@@ -553,7 +543,7 @@ bool EventThread::shouldConsumeEvent(const DisplayEventReceiver::Event& event,
 
         case DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE: {
             return connection->mEventRegistration.test(
-                    ISurfaceComposer::EventRegistration::modeChanged);
+                    gui::ISurfaceComposer::EventRegistration::modeChanged);
         }
 
         case DisplayEventReceiver::DISPLAY_EVENT_VSYNC:
@@ -586,7 +576,7 @@ bool EventThread::shouldConsumeEvent(const DisplayEventReceiver::Event& event,
             [[fallthrough]];
         case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH:
             return connection->mEventRegistration.test(
-                    ISurfaceComposer::EventRegistration::frameRateOverride);
+                    gui::ISurfaceComposer::EventRegistration::frameRateOverride);
 
         default:
             return false;
@@ -678,6 +668,7 @@ void EventThread::dump(std::string& result) const {
             StringAppendF(&result, "    %s\n", toString(*connection).c_str());
         }
     }
+    result += '\n';
 }
 
 const char* EventThread::toCString(State state) {
diff --git a/services/surfaceflinger/Scheduler/EventThread.h b/services/surfaceflinger/Scheduler/EventThread.h
index adb96fd462..43c359833e 100644
--- a/services/surfaceflinger/Scheduler/EventThread.h
+++ b/services/surfaceflinger/Scheduler/EventThread.h
@@ -23,6 +23,7 @@
 #include <sys/types.h>
 #include <utils/Errors.h>
 
+#include <scheduler/FrameRateMode.h>
 #include <condition_variable>
 #include <cstdint>
 #include <deque>
@@ -92,7 +93,7 @@ public:
 class EventThreadConnection : public gui::BnDisplayEventConnection {
 public:
     EventThreadConnection(EventThread*, uid_t callingUid, ResyncCallback,
-                          ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+                          EventRegistrationFlags eventRegistration = {});
     virtual ~EventThreadConnection();
 
     virtual status_t postEvent(const DisplayEventReceiver::Event& event);
@@ -107,7 +108,7 @@ public:
 
     VSyncRequest vsyncRequest = VSyncRequest::None;
     const uid_t mOwnerUid;
-    const ISurfaceComposer::EventRegistrationFlags mEventRegistration;
+    const EventRegistrationFlags mEventRegistration;
 
 private:
     virtual void onFirstRef();
@@ -123,8 +124,7 @@ public:
     virtual ~EventThread();
 
     virtual sp<EventThreadConnection> createEventConnection(
-            ResyncCallback,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) const = 0;
+            ResyncCallback, EventRegistrationFlags eventRegistration = {}) const = 0;
 
     // called before the screen is turned off from main thread
     virtual void onScreenReleased() = 0;
@@ -135,7 +135,7 @@ public:
     virtual void onHotplugReceived(PhysicalDisplayId displayId, bool connected) = 0;
 
     // called when SF changes the active mode and apps needs to be notified about the change
-    virtual void onModeChanged(DisplayModePtr) = 0;
+    virtual void onModeChanged(const scheduler::FrameRateMode&) = 0;
 
     // called when SF updates the Frame Rate Override list
     virtual void onFrameRateOverridesChanged(PhysicalDisplayId displayId,
@@ -162,17 +162,15 @@ namespace impl {
 
 class EventThread : public android::EventThread, private VSyncSource::Callback {
 public:
-    using InterceptVSyncsCallback = std::function<void(nsecs_t)>;
     using ThrottleVsyncCallback = std::function<bool(nsecs_t, uid_t)>;
     using GetVsyncPeriodFunction = std::function<nsecs_t(uid_t)>;
 
-    EventThread(std::unique_ptr<VSyncSource>, frametimeline::TokenManager*, InterceptVSyncsCallback,
-                ThrottleVsyncCallback, GetVsyncPeriodFunction);
+    EventThread(std::unique_ptr<VSyncSource>, frametimeline::TokenManager*, ThrottleVsyncCallback,
+                GetVsyncPeriodFunction);
     ~EventThread();
 
     sp<EventThreadConnection> createEventConnection(
-            ResyncCallback,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) const override;
+            ResyncCallback, EventRegistrationFlags eventRegistration = {}) const override;
 
     status_t registerDisplayEventConnection(const sp<EventThreadConnection>& connection) override;
     void setVsyncRate(uint32_t rate, const sp<EventThreadConnection>& connection) override;
@@ -188,7 +186,7 @@ public:
 
     void onHotplugReceived(PhysicalDisplayId displayId, bool connected) override;
 
-    void onModeChanged(DisplayModePtr) override;
+    void onModeChanged(const scheduler::FrameRateMode&) override;
 
     void onFrameRateOverridesChanged(PhysicalDisplayId displayId,
                                      std::vector<FrameRateOverride> overrides) override;
@@ -227,7 +225,6 @@ private:
     const std::unique_ptr<VSyncSource> mVSyncSource GUARDED_BY(mMutex);
     frametimeline::TokenManager* const mTokenManager;
 
-    const InterceptVSyncsCallback mInterceptVSyncsCallback;
     const ThrottleVsyncCallback mThrottleVsyncCallback;
     const GetVsyncPeriodFunction mGetVsyncPeriodFunction;
     const char* const mThreadName;
diff --git a/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.cpp b/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.cpp
index c233455994..cb9bfe93db 100644
--- a/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.cpp
+++ b/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.cpp
@@ -54,10 +54,9 @@ std::optional<Fps> FrameRateOverrideMappings::getFrameRateOverrideForUid(
 std::vector<FrameRateOverride> FrameRateOverrideMappings::getAllFrameRateOverrides(
         bool supportsFrameRateOverrideByContent) {
     std::lock_guard lock(mFrameRateOverridesLock);
+
     std::vector<FrameRateOverride> overrides;
-    overrides.reserve(std::max({mFrameRateOverridesFromGameManager.size(),
-                                mFrameRateOverridesFromBackdoor.size(),
-                                mFrameRateOverridesByContent.size()}));
+    overrides.reserve(maxOverridesCount());
 
     for (const auto& [uid, frameRate] : mFrameRateOverridesFromBackdoor) {
         overrides.emplace_back(FrameRateOverride{uid, frameRate.getValue()});
@@ -83,28 +82,34 @@ std::vector<FrameRateOverride> FrameRateOverrideMappings::getAllFrameRateOverrid
     return overrides;
 }
 
-void FrameRateOverrideMappings::dump(std::string& result) const {
-    using base::StringAppendF;
+void FrameRateOverrideMappings::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
 
     std::lock_guard lock(mFrameRateOverridesLock);
 
-    StringAppendF(&result, "Frame Rate Overrides (backdoor): {");
-    for (const auto& [uid, frameRate] : mFrameRateOverridesFromBackdoor) {
-        StringAppendF(&result, "[uid: %d frameRate: %s], ", uid, to_string(frameRate).c_str());
-    }
-    StringAppendF(&result, "}\n");
+    const bool hasOverrides = maxOverridesCount() > 0;
+    dumper.dump("FrameRateOverrides"sv, hasOverrides ? ""sv : "none"sv);
 
-    StringAppendF(&result, "Frame Rate Overrides (GameManager): {");
-    for (const auto& [uid, frameRate] : mFrameRateOverridesFromGameManager) {
-        StringAppendF(&result, "[uid: %d frameRate: %s], ", uid, to_string(frameRate).c_str());
-    }
-    StringAppendF(&result, "}\n");
+    if (!hasOverrides) return;
 
-    StringAppendF(&result, "Frame Rate Overrides (setFrameRate): {");
-    for (const auto& [uid, frameRate] : mFrameRateOverridesByContent) {
-        StringAppendF(&result, "[uid: %d frameRate: %s], ", uid, to_string(frameRate).c_str());
+    dump(dumper, "setFrameRate"sv, mFrameRateOverridesByContent);
+    dump(dumper, "GameManager"sv, mFrameRateOverridesFromGameManager);
+    dump(dumper, "Backdoor"sv, mFrameRateOverridesFromBackdoor);
+}
+
+void FrameRateOverrideMappings::dump(utils::Dumper& dumper, std::string_view name,
+                                     const UidToFrameRateOverride& overrides) const {
+    if (overrides.empty()) return;
+
+    utils::Dumper::Indent indent(dumper);
+    dumper.dump(name);
+    {
+        utils::Dumper::Indent indent(dumper);
+        for (const auto& [uid, frameRate] : overrides) {
+            using namespace std::string_view_literals;
+            dumper.dump("(uid, frameRate)"sv, uid, frameRate);
+        }
     }
-    StringAppendF(&result, "}\n");
 }
 
 bool FrameRateOverrideMappings::updateFrameRateOverridesByContent(
diff --git a/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.h b/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.h
index 4185a4c0ab..da0f276a3b 100644
--- a/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.h
+++ b/services/surfaceflinger/Scheduler/FrameRateOverrideMappings.h
@@ -23,7 +23,10 @@
 #include <map>
 #include <optional>
 
+#include "Utils/Dumper.h"
+
 namespace android::scheduler {
+
 class FrameRateOverrideMappings {
     using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
     using UidToFrameRateOverride = std::map<uid_t, Fps>;
@@ -34,7 +37,6 @@ public:
             EXCLUDES(mFrameRateOverridesLock);
     std::vector<FrameRateOverride> getAllFrameRateOverrides(bool supportsFrameRateOverrideByContent)
             EXCLUDES(mFrameRateOverridesLock);
-    void dump(std::string& result) const;
     bool updateFrameRateOverridesByContent(const UidToFrameRateOverride& frameRateOverrides)
             EXCLUDES(mFrameRateOverridesLock);
     void setGameModeRefreshRateForUid(FrameRateOverride frameRateOverride)
@@ -42,7 +44,17 @@ public:
     void setPreferredRefreshRateForUid(FrameRateOverride frameRateOverride)
             EXCLUDES(mFrameRateOverridesLock);
 
+    void dump(utils::Dumper&) const;
+
 private:
+    size_t maxOverridesCount() const REQUIRES(mFrameRateOverridesLock) {
+        return std::max({mFrameRateOverridesByContent.size(),
+                         mFrameRateOverridesFromGameManager.size(),
+                         mFrameRateOverridesFromBackdoor.size()});
+    }
+
+    void dump(utils::Dumper&, std::string_view name, const UidToFrameRateOverride&) const;
+
     // The frame rate override lists need their own mutex as they are being read
     // by SurfaceFlinger, Scheduler and EventThread (as a callback) to prevent deadlocks
     mutable std::mutex mFrameRateOverridesLock;
@@ -53,4 +65,5 @@ private:
     UidToFrameRateOverride mFrameRateOverridesFromBackdoor GUARDED_BY(mFrameRateOverridesLock);
     UidToFrameRateOverride mFrameRateOverridesFromGameManager GUARDED_BY(mFrameRateOverridesLock);
 };
+
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/InjectVSyncSource.h b/services/surfaceflinger/Scheduler/InjectVSyncSource.h
deleted file mode 100644
index 760a4ee886..0000000000
--- a/services/surfaceflinger/Scheduler/InjectVSyncSource.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <mutex>
-
-#include "EventThread.h"
-
-namespace android {
-
-/**
- * VSync signals used during SurfaceFlinger trace playback (traces we captured
- * with SurfaceInterceptor).
- */
-class InjectVSyncSource final : public VSyncSource {
-public:
-    ~InjectVSyncSource() override = default;
-
-    void setCallback(VSyncSource::Callback* callback) override {
-        std::lock_guard<std::mutex> lock(mCallbackMutex);
-        mCallback = callback;
-    }
-
-    void onInjectSyncEvent(nsecs_t when, nsecs_t expectedVSyncTimestamp,
-                           nsecs_t deadlineTimestamp) {
-        std::lock_guard<std::mutex> lock(mCallbackMutex);
-        if (mCallback) {
-            mCallback->onVSyncEvent(when, {expectedVSyncTimestamp, deadlineTimestamp});
-        }
-    }
-
-    const char* getName() const override { return "inject"; }
-    void setVSyncEnabled(bool) override {}
-    void setDuration(std::chrono::nanoseconds, std::chrono::nanoseconds) override {}
-    VSyncData getLatestVSyncData() const override { return {}; }
-    void dump(std::string&) const override {}
-
-private:
-    std::mutex mCallbackMutex;
-    VSyncSource::Callback* mCallback GUARDED_BY(mCallbackMutex) = nullptr;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index 5f64efa3d1..7c9cedfab8 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -72,6 +72,20 @@ void trace(const LayerInfo& info, LayerHistory::LayerVoteType type, int fps) {
 
     ALOGD("%s: %s @ %d Hz", __FUNCTION__, info.getName().c_str(), fps);
 }
+
+LayerHistory::LayerVoteType getVoteType(LayerInfo::FrameRateCompatibility compatibility,
+                                        bool contentDetectionEnabled) {
+    LayerHistory::LayerVoteType voteType;
+    if (!contentDetectionEnabled || compatibility == LayerInfo::FrameRateCompatibility::NoVote) {
+        voteType = LayerHistory::LayerVoteType::NoVote;
+    } else if (compatibility == LayerInfo::FrameRateCompatibility::Min) {
+        voteType = LayerHistory::LayerVoteType::Min;
+    } else {
+        voteType = LayerHistory::LayerVoteType::Heuristic;
+    }
+    return voteType;
+}
+
 } // namespace
 
 LayerHistory::LayerHistory()
@@ -81,10 +95,12 @@ LayerHistory::LayerHistory()
 
 LayerHistory::~LayerHistory() = default;
 
-void LayerHistory::registerLayer(Layer* layer, LayerVoteType type) {
+void LayerHistory::registerLayer(Layer* layer, bool contentDetectionEnabled) {
     std::lock_guard lock(mLock);
     LOG_ALWAYS_FATAL_IF(findLayer(layer->getSequence()).first != LayerStatus::NotFound,
                         "%s already registered", layer->getName().c_str());
+    LayerVoteType type =
+            getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled);
     auto info = std::make_unique<LayerInfo>(layer->getName(), layer->getOwnerUid(), type);
 
     // The layer can be placed on either map, it is assumed that partitionLayers() will be called
@@ -132,7 +148,23 @@ void LayerHistory::record(Layer* layer, nsecs_t presentTime, nsecs_t now,
     }
 }
 
-auto LayerHistory::summarize(const RefreshRateConfigs& configs, nsecs_t now) -> Summary {
+void LayerHistory::setDefaultFrameRateCompatibility(Layer* layer, bool contentDetectionEnabled) {
+    std::lock_guard lock(mLock);
+    auto id = layer->getSequence();
+
+    auto [found, layerPair] = findLayer(id);
+    if (found == LayerStatus::NotFound) {
+        // Offscreen layer
+        ALOGV("%s: %s not registered", __func__, layer->getName().c_str());
+        return;
+    }
+
+    const auto& info = layerPair->second;
+    info->setDefaultLayerVote(
+            getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled));
+}
+
+auto LayerHistory::summarize(const RefreshRateSelector& selector, nsecs_t now) -> Summary {
     Summary summary;
 
     std::lock_guard lock(mLock);
@@ -146,7 +178,7 @@ auto LayerHistory::summarize(const RefreshRateConfigs& configs, nsecs_t now) ->
         ALOGV("%s has priority: %d %s focused", info->getName().c_str(), frameRateSelectionPriority,
               layerFocused ? "" : "not");
 
-        const auto vote = info->getRefreshRateVote(configs, now);
+        const auto vote = info->getRefreshRateVote(selector, now);
         // Skip NoVote layer as those don't have any requirements
         if (vote.type == LayerVoteType::NoVote) {
             continue;
@@ -203,6 +235,8 @@ void LayerHistory::partitionLayers(nsecs_t now) {
                 switch (frameRate.type) {
                     case Layer::FrameRateCompatibility::Default:
                         return LayerVoteType::ExplicitDefault;
+                    case Layer::FrameRateCompatibility::Min:
+                        return LayerVoteType::Min;
                     case Layer::FrameRateCompatibility::ExactOrMultiple:
                         return LayerVoteType::ExplicitExactOrMultiple;
                     case Layer::FrameRateCompatibility::NoVote:
@@ -241,7 +275,7 @@ void LayerHistory::clear() {
 
 std::string LayerHistory::dump() const {
     std::lock_guard lock(mLock);
-    return base::StringPrintf("LayerHistory{size=%zu, active=%zu}",
+    return base::StringPrintf("{size=%zu, active=%zu}",
                               mActiveLayerInfos.size() + mInactiveLayerInfos.size(),
                               mActiveLayerInfos.size());
 }
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.h b/services/surfaceflinger/Scheduler/LayerHistory.h
index 7b6096f7f3..5022906ff9 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.h
+++ b/services/surfaceflinger/Scheduler/LayerHistory.h
@@ -27,7 +27,7 @@
 #include <utility>
 #include <vector>
 
-#include "RefreshRateConfigs.h"
+#include "RefreshRateSelector.h"
 
 namespace android {
 
@@ -39,13 +39,13 @@ class LayerInfo;
 
 class LayerHistory {
 public:
-    using LayerVoteType = RefreshRateConfigs::LayerVoteType;
+    using LayerVoteType = RefreshRateSelector::LayerVoteType;
 
     LayerHistory();
     ~LayerHistory();
 
     // Layers are unregistered when the weak reference expires.
-    void registerLayer(Layer*, LayerVoteType type);
+    void registerLayer(Layer*, bool contentDetectionEnabled);
 
     // Sets the display size. Client is responsible for synchronization.
     void setDisplayArea(uint32_t displayArea) { mDisplayArea = displayArea; }
@@ -63,10 +63,14 @@ public:
     // Marks the layer as active, and records the given state to its history.
     void record(Layer*, nsecs_t presentTime, nsecs_t now, LayerUpdateType updateType);
 
-    using Summary = std::vector<RefreshRateConfigs::LayerRequirement>;
+    // Updates the default frame rate compatibility which takes effect when the app
+    // does not set a preference for refresh rate.
+    void setDefaultFrameRateCompatibility(Layer*, bool contentDetectionEnabled);
+
+    using Summary = std::vector<RefreshRateSelector::LayerRequirement>;
 
     // Rebuilds sets of active/inactive layers, and accumulates stats for active layers.
-    Summary summarize(const RefreshRateConfigs&, nsecs_t now);
+    Summary summarize(const RefreshRateSelector&, nsecs_t now);
 
     void clear();
 
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.cpp b/services/surfaceflinger/Scheduler/LayerInfo.cpp
index 943615c45c..7247e4b260 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.cpp
+++ b/services/surfaceflinger/Scheduler/LayerInfo.cpp
@@ -187,8 +187,8 @@ std::optional<nsecs_t> LayerInfo::calculateAverageFrameTime() const {
     return static_cast<nsecs_t>(averageFrameTime);
 }
 
-std::optional<Fps> LayerInfo::calculateRefreshRateIfPossible(
-        const RefreshRateConfigs& refreshRateConfigs, nsecs_t now) {
+std::optional<Fps> LayerInfo::calculateRefreshRateIfPossible(const RefreshRateSelector& selector,
+                                                             nsecs_t now) {
     static constexpr float MARGIN = 1.0f; // 1Hz
     if (!hasEnoughDataForHeuristic()) {
         ALOGV("Not enough data");
@@ -199,7 +199,7 @@ std::optional<Fps> LayerInfo::calculateRefreshRateIfPossible(
         const auto refreshRate = Fps::fromPeriodNsecs(*averageFrameTime);
         const bool refreshRateConsistent = mRefreshRateHistory.add(refreshRate, now);
         if (refreshRateConsistent) {
-            const auto knownRefreshRate = refreshRateConfigs.findClosestKnownFrameRate(refreshRate);
+            const auto knownRefreshRate = selector.findClosestKnownFrameRate(refreshRate);
             using fps_approx_ops::operator!=;
 
             // To avoid oscillation, use the last calculated refresh rate if it is close enough.
@@ -222,7 +222,7 @@ std::optional<Fps> LayerInfo::calculateRefreshRateIfPossible(
                                                : std::nullopt;
 }
 
-LayerInfo::LayerVote LayerInfo::getRefreshRateVote(const RefreshRateConfigs& refreshRateConfigs,
+LayerInfo::LayerVote LayerInfo::getRefreshRateVote(const RefreshRateSelector& selector,
                                                    nsecs_t now) {
     if (mLayerVote.type != LayerHistory::LayerVoteType::Heuristic) {
         ALOGV("%s voted %d ", mName.c_str(), static_cast<int>(mLayerVote.type));
@@ -250,7 +250,7 @@ LayerInfo::LayerVote LayerInfo::getRefreshRateVote(const RefreshRateConfigs& ref
         clearHistory(now);
     }
 
-    auto refreshRate = calculateRefreshRateIfPossible(refreshRateConfigs, now);
+    auto refreshRate = calculateRefreshRateIfPossible(selector, now);
     if (refreshRate.has_value()) {
         ALOGV("%s calculated refresh rate: %s", mName.c_str(), to_string(*refreshRate).c_str());
         return {LayerHistory::LayerVoteType::Heuristic, refreshRate.value()};
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.h b/services/surfaceflinger/Scheduler/LayerInfo.h
index 8a3b0b97e4..a5ffbbecb5 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.h
+++ b/services/surfaceflinger/Scheduler/LayerInfo.h
@@ -28,7 +28,7 @@
 #include <scheduler/Seamlessness.h>
 
 #include "LayerHistory.h"
-#include "RefreshRateConfigs.h"
+#include "RefreshRateSelector.h"
 
 namespace android {
 
@@ -74,6 +74,8 @@ public:
     enum class FrameRateCompatibility {
         Default, // Layer didn't specify any specific handling strategy
 
+        Min, // Layer needs the minimum frame rate.
+
         Exact, // Layer needs the exact frame rate.
 
         ExactOrMultiple, // Layer needs the exact frame rate (or a multiple of it) to present the
@@ -160,7 +162,7 @@ public:
 
     uid_t getOwnerUid() const { return mOwnerUid; }
 
-    LayerVote getRefreshRateVote(const RefreshRateConfigs&, nsecs_t now);
+    LayerVote getRefreshRateVote(const RefreshRateSelector&, nsecs_t now);
 
     // Return the last updated time. If the present time is farther in the future than the
     // updated time, the updated time is the present time.
@@ -259,7 +261,7 @@ private:
     bool isFrequent(nsecs_t now) const;
     bool isAnimating(nsecs_t now) const;
     bool hasEnoughDataForHeuristic() const;
-    std::optional<Fps> calculateRefreshRateIfPossible(const RefreshRateConfigs&, nsecs_t now);
+    std::optional<Fps> calculateRefreshRateIfPossible(const RefreshRateSelector&, nsecs_t now);
     std::optional<nsecs_t> calculateAverageFrameTime() const;
     bool isFrameTimeValid(const FrameTimeData&) const;
 
diff --git a/services/surfaceflinger/Scheduler/MessageQueue.cpp b/services/surfaceflinger/Scheduler/MessageQueue.cpp
index f2af85e94a..ae10ff4989 100644
--- a/services/surfaceflinger/Scheduler/MessageQueue.cpp
+++ b/services/surfaceflinger/Scheduler/MessageQueue.cpp
@@ -30,11 +30,11 @@
 
 namespace android::impl {
 
-void MessageQueue::Handler::dispatchFrame(int64_t vsyncId, nsecs_t expectedVsyncTime) {
+void MessageQueue::Handler::dispatchFrame(VsyncId vsyncId, TimePoint expectedVsyncTime) {
     if (!mFramePending.exchange(true)) {
         mVsyncId = vsyncId;
         mExpectedVsyncTime = expectedVsyncTime;
-        mQueue.mLooper->sendMessage(this, Message());
+        mQueue.mLooper->sendMessage(sp<MessageHandler>::fromExisting(this), Message());
     }
 }
 
@@ -44,16 +44,7 @@ bool MessageQueue::Handler::isFramePending() const {
 
 void MessageQueue::Handler::handleMessage(const Message&) {
     mFramePending.store(false);
-
-    const nsecs_t frameTime = systemTime();
-    auto& compositor = mQueue.mCompositor;
-
-    if (!compositor.commit(frameTime, mVsyncId, mExpectedVsyncTime)) {
-        return;
-    }
-
-    compositor.composite(frameTime, mVsyncId);
-    compositor.sample();
+    mQueue.onFrameSignal(mQueue.mCompositor, mVsyncId, mExpectedVsyncTime);
 }
 
 MessageQueue::MessageQueue(ICompositor& compositor)
@@ -66,52 +57,22 @@ MessageQueue::MessageQueue(ICompositor& compositor, sp<Handler> handler)
         mLooper(sp<Looper>::make(kAllowNonCallbacks)),
         mHandler(std::move(handler)) {}
 
-// TODO(b/169865816): refactor VSyncInjections to use MessageQueue directly
-// and remove the EventThread from MessageQueue
-void MessageQueue::setInjector(sp<EventThreadConnection> connection) {
-    auto& tube = mInjector.tube;
-
-    if (const int fd = tube.getFd(); fd >= 0) {
-        mLooper->removeFd(fd);
-    }
-
-    if (connection) {
-        // The EventThreadConnection is retained when disabling injection, so avoid subsequently
-        // stealing invalid FDs. Note that the stolen FDs are kept open.
-        if (tube.getFd() < 0) {
-            connection->stealReceiveChannel(&tube);
-        } else {
-            ALOGW("Recycling channel for VSYNC injection.");
-        }
-
-        mLooper->addFd(
-                tube.getFd(), 0, Looper::EVENT_INPUT,
-                [](int, int, void* data) {
-                    reinterpret_cast<MessageQueue*>(data)->injectorCallback();
-                    return 1; // Keep registration.
-                },
-                this);
-    }
-
-    std::lock_guard lock(mInjector.mutex);
-    mInjector.connection = std::move(connection);
-}
-
 void MessageQueue::vsyncCallback(nsecs_t vsyncTime, nsecs_t targetWakeupTime, nsecs_t readyTime) {
     ATRACE_CALL();
     // Trace VSYNC-sf
     mVsync.value = (mVsync.value + 1) % 2;
 
+    const auto expectedVsyncTime = TimePoint::fromNs(vsyncTime);
     {
         std::lock_guard lock(mVsync.mutex);
-        mVsync.lastCallbackTime = std::chrono::nanoseconds(vsyncTime);
+        mVsync.lastCallbackTime = expectedVsyncTime;
         mVsync.scheduledFrameTime.reset();
     }
 
-    const auto vsyncId = mVsync.tokenManager->generateTokenForPredictions(
-            {targetWakeupTime, readyTime, vsyncTime});
+    const auto vsyncId = VsyncId{mVsync.tokenManager->generateTokenForPredictions(
+            {targetWakeupTime, readyTime, vsyncTime})};
 
-    mHandler->dispatchFrame(vsyncId, vsyncTime);
+    mHandler->dispatchFrame(vsyncId, expectedVsyncTime);
 }
 
 void MessageQueue::initVsync(scheduler::VSyncDispatch& dispatch,
@@ -133,9 +94,10 @@ void MessageQueue::setDuration(std::chrono::nanoseconds workDuration) {
     std::lock_guard lock(mVsync.mutex);
     mVsync.workDuration = workDuration;
     if (mVsync.scheduledFrameTime) {
-        mVsync.scheduledFrameTime = mVsync.registration->schedule(
-                {mVsync.workDuration.get().count(),
-                 /*readyDuration=*/0, mVsync.lastCallbackTime.count()});
+        mVsync.scheduledFrameTime =
+                mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
+                                               .readyDuration = 0,
+                                               .earliestVsync = mVsync.lastCallbackTime.ns()});
     }
 }
 
@@ -165,38 +127,27 @@ void MessageQueue::postMessage(sp<MessageHandler>&& handler) {
     mLooper->sendMessage(handler, Message());
 }
 
+void MessageQueue::scheduleConfigure() {
+    struct ConfigureHandler : MessageHandler {
+        explicit ConfigureHandler(ICompositor& compositor) : compositor(compositor) {}
+
+        void handleMessage(const Message&) override { compositor.configure(); }
+
+        ICompositor& compositor;
+    };
+
+    // TODO(b/241285876): Batch configure tasks that happen within some duration.
+    postMessage(sp<ConfigureHandler>::make(mCompositor));
+}
+
 void MessageQueue::scheduleFrame() {
     ATRACE_CALL();
 
-    {
-        std::lock_guard lock(mInjector.mutex);
-        if (CC_UNLIKELY(mInjector.connection)) {
-            ALOGD("%s while injecting VSYNC", __FUNCTION__);
-            mInjector.connection->requestNextVsync();
-            return;
-        }
-    }
-
     std::lock_guard lock(mVsync.mutex);
     mVsync.scheduledFrameTime =
             mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
                                            .readyDuration = 0,
-                                           .earliestVsync = mVsync.lastCallbackTime.count()});
-}
-
-void MessageQueue::injectorCallback() {
-    ssize_t n;
-    DisplayEventReceiver::Event buffer[8];
-    while ((n = DisplayEventReceiver::getEvents(&mInjector.tube, buffer, 8)) > 0) {
-        for (int i = 0; i < n; i++) {
-            if (buffer[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
-                auto& vsync = buffer[i].vsync;
-                mHandler->dispatchFrame(vsync.vsyncData.preferredVsyncId(),
-                                        vsync.vsyncData.preferredExpectedPresentationTime());
-                break;
-            }
-        }
-    }
+                                           .earliestVsync = mVsync.lastCallbackTime.ns()});
 }
 
 auto MessageQueue::getScheduledFrameTime() const -> std::optional<Clock::time_point> {
diff --git a/services/surfaceflinger/Scheduler/MessageQueue.h b/services/surfaceflinger/Scheduler/MessageQueue.h
index 4082e26874..04de492479 100644
--- a/services/surfaceflinger/Scheduler/MessageQueue.h
+++ b/services/surfaceflinger/Scheduler/MessageQueue.h
@@ -25,8 +25,12 @@
 #include <android/gui/IDisplayEventConnection.h>
 #include <private/gui/BitTube.h>
 #include <utils/Looper.h>
+#include <utils/StrongPointer.h>
 #include <utils/Timers.h>
 
+#include <scheduler/Time.h>
+#include <scheduler/VsyncId.h>
+
 #include "EventThread.h"
 #include "TracedOrdinal.h"
 #include "VSyncDispatch.h"
@@ -34,8 +38,9 @@
 namespace android {
 
 struct ICompositor {
-    virtual bool commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime) = 0;
-    virtual void composite(nsecs_t frameTime, int64_t vsyncId) = 0;
+    virtual void configure() = 0;
+    virtual bool commit(TimePoint frameTime, VsyncId, TimePoint expectedVsyncTime) = 0;
+    virtual void composite(TimePoint frameTime, VsyncId) = 0;
     virtual void sample() = 0;
 
 protected:
@@ -47,6 +52,9 @@ class Task : public MessageHandler {
     template <typename G>
     friend auto makeTask(G&&);
 
+    template <typename... Args>
+    friend sp<Task<F>> sp<Task<F>>::make(Args&&... args);
+
     explicit Task(F&& f) : mTask(std::move(f)) {}
 
     void handleMessage(const Message&) override { mTask(); }
@@ -57,7 +65,7 @@ class Task : public MessageHandler {
 
 template <typename F>
 inline auto makeTask(F&& f) {
-    sp<Task<F>> task = new Task<F>(std::move(f));
+    sp<Task<F>> task = sp<Task<F>>::make(std::forward<F>(f));
     return std::make_pair(task, task->mTask.get_future());
 }
 
@@ -68,9 +76,9 @@ public:
     virtual void initVsync(scheduler::VSyncDispatch&, frametimeline::TokenManager&,
                            std::chrono::nanoseconds workDuration) = 0;
     virtual void setDuration(std::chrono::nanoseconds workDuration) = 0;
-    virtual void setInjector(sp<EventThreadConnection>) = 0;
     virtual void waitMessage() = 0;
     virtual void postMessage(sp<MessageHandler>&&) = 0;
+    virtual void scheduleConfigure() = 0;
     virtual void scheduleFrame() = 0;
 
     using Clock = std::chrono::steady_clock;
@@ -84,8 +92,9 @@ protected:
     class Handler : public MessageHandler {
         MessageQueue& mQueue;
         std::atomic_bool mFramePending = false;
-        std::atomic<int64_t> mVsyncId = 0;
-        std::atomic<nsecs_t> mExpectedVsyncTime = 0;
+
+        std::atomic<VsyncId> mVsyncId;
+        std::atomic<TimePoint> mExpectedVsyncTime;
 
     public:
         explicit Handler(MessageQueue& queue) : mQueue(queue) {}
@@ -93,7 +102,7 @@ protected:
 
         bool isFramePending() const;
 
-        virtual void dispatchFrame(int64_t vsyncId, nsecs_t expectedVsyncTime);
+        virtual void dispatchFrame(VsyncId, TimePoint expectedVsyncTime);
     };
 
     friend class Handler;
@@ -104,6 +113,8 @@ protected:
     void vsyncCallback(nsecs_t vsyncTime, nsecs_t targetWakeupTime, nsecs_t readyTime);
 
 private:
+    virtual void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) = 0;
+
     ICompositor& mCompositor;
     const sp<Looper> mLooper;
     const sp<Handler> mHandler;
@@ -115,21 +126,12 @@ private:
         mutable std::mutex mutex;
         TracedOrdinal<std::chrono::nanoseconds> workDuration
                 GUARDED_BY(mutex) = {"VsyncWorkDuration-sf", std::chrono::nanoseconds(0)};
-        std::chrono::nanoseconds lastCallbackTime GUARDED_BY(mutex) = std::chrono::nanoseconds{0};
+        TimePoint lastCallbackTime GUARDED_BY(mutex);
         std::optional<nsecs_t> scheduledFrameTime GUARDED_BY(mutex);
         TracedOrdinal<int> value = {"VSYNC-sf", 0};
     };
 
-    struct Injector {
-        gui::BitTube tube;
-        std::mutex mutex;
-        sp<EventThreadConnection> connection GUARDED_BY(mutex);
-    };
-
     Vsync mVsync;
-    Injector mInjector;
-
-    void injectorCallback();
 
 public:
     explicit MessageQueue(ICompositor&);
@@ -137,11 +139,11 @@ public:
     void initVsync(scheduler::VSyncDispatch&, frametimeline::TokenManager&,
                    std::chrono::nanoseconds workDuration) override;
     void setDuration(std::chrono::nanoseconds workDuration) override;
-    void setInjector(sp<EventThreadConnection>) override;
 
     void waitMessage() override;
     void postMessage(sp<MessageHandler>&&) override;
 
+    void scheduleConfigure() override;
     void scheduleFrame() override;
 
     std::optional<Clock::time_point> getScheduledFrameTime() const override;
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.cpp b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
index 3c8dc64f10..cd45bfdab3 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.cpp
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
@@ -179,11 +179,5 @@ void OneShotTimer::reset() {
     }
 }
 
-std::string OneShotTimer::dump() const {
-    std::ostringstream stream;
-    stream << mInterval.count() << " ms";
-    return stream.str();
-}
-
 } // namespace scheduler
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.h b/services/surfaceflinger/Scheduler/OneShotTimer.h
index 2017c31513..f95646c48f 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.h
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.h
@@ -23,6 +23,7 @@
 #include "../Clock.h"
 
 #include <android-base/thread_annotations.h>
+#include <scheduler/Time.h>
 
 namespace android {
 namespace scheduler {
@@ -42,6 +43,8 @@ public:
                  std::unique_ptr<Clock> clock = std::make_unique<SteadyClock>());
     ~OneShotTimer();
 
+    Duration interval() const { return mInterval; }
+
     // Initializes and turns on the idle timer.
     void start();
     // Stops the idle timer and any held resources.
@@ -49,8 +52,6 @@ public:
     // Resets the wakeup time and fires the reset callback.
     void reset();
 
-    std::string dump() const;
-
 private:
     // Enum to track in what state is the timer.
     enum class TimerState {
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
deleted file mode 100644
index a48c921378..0000000000
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ /dev/null
@@ -1,1024 +0,0 @@
-/*
- * Copyright 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// #define LOG_NDEBUG 0
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wextra"
-
-#include <chrono>
-#include <cmath>
-
-#include <android-base/properties.h>
-#include <android-base/stringprintf.h>
-#include <ftl/enum.h>
-#include <utils/Trace.h>
-
-#include "../SurfaceFlingerProperties.h"
-#include "RefreshRateConfigs.h"
-
-#undef LOG_TAG
-#define LOG_TAG "RefreshRateConfigs"
-
-namespace android::scheduler {
-namespace {
-
-struct RefreshRateScore {
-    DisplayModeIterator modeIt;
-    float overallScore;
-    struct {
-        float modeBelowThreshold;
-        float modeAboveThreshold;
-    } fixedRateBelowThresholdLayersScore;
-};
-
-template <typename Iterator>
-const DisplayModePtr& getMaxScoreRefreshRate(Iterator begin, Iterator end) {
-    const auto it =
-            std::max_element(begin, end, [](RefreshRateScore max, RefreshRateScore current) {
-                const auto& [modeIt, overallScore, _] = current;
-
-                std::string name = to_string(modeIt->second->getFps());
-                ALOGV("%s scores %.2f", name.c_str(), overallScore);
-
-                ATRACE_INT(name.c_str(), static_cast<int>(std::round(overallScore * 100)));
-
-                constexpr float kEpsilon = 0.0001f;
-                return overallScore > max.overallScore * (1 + kEpsilon);
-            });
-
-    return it->modeIt->second;
-}
-
-constexpr RefreshRateConfigs::GlobalSignals kNoSignals;
-
-std::string formatLayerInfo(const RefreshRateConfigs::LayerRequirement& layer, float weight) {
-    return base::StringPrintf("%s (type=%s, weight=%.2f, seamlessness=%s) %s", layer.name.c_str(),
-                              ftl::enum_string(layer.vote).c_str(), weight,
-                              ftl::enum_string(layer.seamlessness).c_str(),
-                              to_string(layer.desiredRefreshRate).c_str());
-}
-
-std::vector<Fps> constructKnownFrameRates(const DisplayModes& modes) {
-    std::vector<Fps> knownFrameRates = {24_Hz, 30_Hz, 45_Hz, 60_Hz, 72_Hz};
-    knownFrameRates.reserve(knownFrameRates.size() + modes.size());
-
-    // Add all supported refresh rates.
-    for (const auto& [id, mode] : modes) {
-        knownFrameRates.push_back(mode->getFps());
-    }
-
-    // Sort and remove duplicates.
-    std::sort(knownFrameRates.begin(), knownFrameRates.end(), isStrictlyLess);
-    knownFrameRates.erase(std::unique(knownFrameRates.begin(), knownFrameRates.end(),
-                                      isApproxEqual),
-                          knownFrameRates.end());
-    return knownFrameRates;
-}
-
-// The Filter is a `bool(const DisplayMode&)` predicate.
-template <typename Filter>
-std::vector<DisplayModeIterator> sortByRefreshRate(const DisplayModes& modes, Filter&& filter) {
-    std::vector<DisplayModeIterator> sortedModes;
-    sortedModes.reserve(modes.size());
-
-    for (auto it = modes.begin(); it != modes.end(); ++it) {
-        const auto& [id, mode] = *it;
-
-        if (filter(*mode)) {
-            ALOGV("%s: including mode %d", __func__, id.value());
-            sortedModes.push_back(it);
-        }
-    }
-
-    std::sort(sortedModes.begin(), sortedModes.end(), [](auto it1, auto it2) {
-        const auto& mode1 = it1->second;
-        const auto& mode2 = it2->second;
-
-        if (mode1->getVsyncPeriod() == mode2->getVsyncPeriod()) {
-            return mode1->getGroup() > mode2->getGroup();
-        }
-
-        return mode1->getVsyncPeriod() > mode2->getVsyncPeriod();
-    });
-
-    return sortedModes;
-}
-
-bool canModesSupportFrameRateOverride(const std::vector<DisplayModeIterator>& sortedModes) {
-    for (const auto it1 : sortedModes) {
-        const auto& mode1 = it1->second;
-        for (const auto it2 : sortedModes) {
-            const auto& mode2 = it2->second;
-
-            if (RefreshRateConfigs::getFrameRateDivisor(mode1->getFps(), mode2->getFps()) >= 2) {
-                return true;
-            }
-        }
-    }
-    return false;
-}
-
-} // namespace
-
-std::string RefreshRateConfigs::Policy::toString() const {
-    return base::StringPrintf("{defaultModeId=%d, allowGroupSwitching=%s"
-                              ", primaryRange=%s, appRequestRange=%s}",
-                              defaultMode.value(), allowGroupSwitching ? "true" : "false",
-                              to_string(primaryRange).c_str(), to_string(appRequestRange).c_str());
-}
-
-std::pair<nsecs_t, nsecs_t> RefreshRateConfigs::getDisplayFrames(nsecs_t layerPeriod,
-                                                                 nsecs_t displayPeriod) const {
-    auto [quotient, remainder] = std::div(layerPeriod, displayPeriod);
-    if (remainder <= MARGIN_FOR_PERIOD_CALCULATION ||
-        std::abs(remainder - displayPeriod) <= MARGIN_FOR_PERIOD_CALCULATION) {
-        quotient++;
-        remainder = 0;
-    }
-
-    return {quotient, remainder};
-}
-
-float RefreshRateConfigs::calculateNonExactMatchingLayerScoreLocked(const LayerRequirement& layer,
-                                                                    Fps refreshRate) const {
-    constexpr float kScoreForFractionalPairs = .8f;
-
-    const auto displayPeriod = refreshRate.getPeriodNsecs();
-    const auto layerPeriod = layer.desiredRefreshRate.getPeriodNsecs();
-    if (layer.vote == LayerVoteType::ExplicitDefault) {
-        // Find the actual rate the layer will render, assuming
-        // that layerPeriod is the minimal period to render a frame.
-        // For example if layerPeriod is 20ms and displayPeriod is 16ms,
-        // then the actualLayerPeriod will be 32ms, because it is the
-        // smallest multiple of the display period which is >= layerPeriod.
-        auto actualLayerPeriod = displayPeriod;
-        int multiplier = 1;
-        while (layerPeriod > actualLayerPeriod + MARGIN_FOR_PERIOD_CALCULATION) {
-            multiplier++;
-            actualLayerPeriod = displayPeriod * multiplier;
-        }
-
-        // Because of the threshold we used above it's possible that score is slightly
-        // above 1.
-        return std::min(1.0f,
-                        static_cast<float>(layerPeriod) / static_cast<float>(actualLayerPeriod));
-    }
-
-    if (layer.vote == LayerVoteType::ExplicitExactOrMultiple ||
-        layer.vote == LayerVoteType::Heuristic) {
-        if (isFractionalPairOrMultiple(refreshRate, layer.desiredRefreshRate)) {
-            return kScoreForFractionalPairs;
-        }
-
-        // Calculate how many display vsyncs we need to present a single frame for this
-        // layer
-        const auto [displayFramesQuotient, displayFramesRemainder] =
-                getDisplayFrames(layerPeriod, displayPeriod);
-        static constexpr size_t MAX_FRAMES_TO_FIT = 10; // Stop calculating when score < 0.1
-        if (displayFramesRemainder == 0) {
-            // Layer desired refresh rate matches the display rate.
-            return 1.0f;
-        }
-
-        if (displayFramesQuotient == 0) {
-            // Layer desired refresh rate is higher than the display rate.
-            return (static_cast<float>(layerPeriod) / static_cast<float>(displayPeriod)) *
-                    (1.0f / (MAX_FRAMES_TO_FIT + 1));
-        }
-
-        // Layer desired refresh rate is lower than the display rate. Check how well it fits
-        // the cadence.
-        auto diff = std::abs(displayFramesRemainder - (displayPeriod - displayFramesRemainder));
-        int iter = 2;
-        while (diff > MARGIN_FOR_PERIOD_CALCULATION && iter < MAX_FRAMES_TO_FIT) {
-            diff = diff - (displayPeriod - diff);
-            iter++;
-        }
-
-        return (1.0f / iter);
-    }
-
-    return 0;
-}
-
-float RefreshRateConfigs::calculateLayerScoreLocked(const LayerRequirement& layer, Fps refreshRate,
-                                                    bool isSeamlessSwitch) const {
-    // Slightly prefer seamless switches.
-    constexpr float kSeamedSwitchPenalty = 0.95f;
-    const float seamlessness = isSeamlessSwitch ? 1.0f : kSeamedSwitchPenalty;
-
-    // If the layer wants Max, give higher score to the higher refresh rate
-    if (layer.vote == LayerVoteType::Max) {
-        const auto& maxRefreshRate = mAppRequestRefreshRates.back()->second;
-        const auto ratio = refreshRate.getValue() / maxRefreshRate->getFps().getValue();
-        // use ratio^2 to get a lower score the more we get further from peak
-        return ratio * ratio;
-    }
-
-    if (layer.vote == LayerVoteType::ExplicitExact) {
-        const int divisor = getFrameRateDivisor(refreshRate, layer.desiredRefreshRate);
-        if (mSupportsFrameRateOverrideByContent) {
-            // Since we support frame rate override, allow refresh rates which are
-            // multiples of the layer's request, as those apps would be throttled
-            // down to run at the desired refresh rate.
-            return divisor > 0;
-        }
-
-        return divisor == 1;
-    }
-
-    // If the layer frame rate is a divisor of the refresh rate it should score
-    // the highest score.
-    if (getFrameRateDivisor(refreshRate, layer.desiredRefreshRate) > 0) {
-        return 1.0f * seamlessness;
-    }
-
-    // The layer frame rate is not a divisor of the refresh rate,
-    // there is a small penalty attached to the score to favor the frame rates
-    // the exactly matches the display refresh rate or a multiple.
-    constexpr float kNonExactMatchingPenalty = 0.95f;
-    return calculateNonExactMatchingLayerScoreLocked(layer, refreshRate) * seamlessness *
-            kNonExactMatchingPenalty;
-}
-
-auto RefreshRateConfigs::getBestRefreshRate(const std::vector<LayerRequirement>& layers,
-                                            GlobalSignals signals) const
-        -> std::pair<DisplayModePtr, GlobalSignals> {
-    std::lock_guard lock(mLock);
-
-    if (mGetBestRefreshRateCache &&
-        mGetBestRefreshRateCache->arguments == std::make_pair(layers, signals)) {
-        return mGetBestRefreshRateCache->result;
-    }
-
-    const auto result = getBestRefreshRateLocked(layers, signals);
-    mGetBestRefreshRateCache = GetBestRefreshRateCache{{layers, signals}, result};
-    return result;
-}
-
-auto RefreshRateConfigs::getBestRefreshRateLocked(const std::vector<LayerRequirement>& layers,
-                                                  GlobalSignals signals) const
-        -> std::pair<DisplayModePtr, GlobalSignals> {
-    using namespace fps_approx_ops;
-    ATRACE_CALL();
-    ALOGV("%s: %zu layers", __func__, layers.size());
-
-    int noVoteLayers = 0;
-    int minVoteLayers = 0;
-    int maxVoteLayers = 0;
-    int explicitDefaultVoteLayers = 0;
-    int explicitExactOrMultipleVoteLayers = 0;
-    int explicitExact = 0;
-    float maxExplicitWeight = 0;
-    int seamedFocusedLayers = 0;
-
-    for (const auto& layer : layers) {
-        switch (layer.vote) {
-            case LayerVoteType::NoVote:
-                noVoteLayers++;
-                break;
-            case LayerVoteType::Min:
-                minVoteLayers++;
-                break;
-            case LayerVoteType::Max:
-                maxVoteLayers++;
-                break;
-            case LayerVoteType::ExplicitDefault:
-                explicitDefaultVoteLayers++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
-                break;
-            case LayerVoteType::ExplicitExactOrMultiple:
-                explicitExactOrMultipleVoteLayers++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
-                break;
-            case LayerVoteType::ExplicitExact:
-                explicitExact++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
-                break;
-            case LayerVoteType::Heuristic:
-                break;
-        }
-
-        if (layer.seamlessness == Seamlessness::SeamedAndSeamless && layer.focused) {
-            seamedFocusedLayers++;
-        }
-    }
-
-    const bool hasExplicitVoteLayers = explicitDefaultVoteLayers > 0 ||
-            explicitExactOrMultipleVoteLayers > 0 || explicitExact > 0;
-
-    const Policy* policy = getCurrentPolicyLocked();
-    const auto& defaultMode = mDisplayModes.get(policy->defaultMode)->get();
-    // If the default mode group is different from the group of current mode,
-    // this means a layer requesting a seamed mode switch just disappeared and
-    // we should switch back to the default group.
-    // However if a seamed layer is still present we anchor around the group
-    // of the current mode, in order to prevent unnecessary seamed mode switches
-    // (e.g. when pausing a video playback).
-    const auto anchorGroup =
-            seamedFocusedLayers > 0 ? mActiveModeIt->second->getGroup() : defaultMode->getGroup();
-
-    // Consider the touch event if there are no Explicit* layers. Otherwise wait until after we've
-    // selected a refresh rate to see if we should apply touch boost.
-    if (signals.touch && !hasExplicitVoteLayers) {
-        const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-        ALOGV("TouchBoost - choose %s", to_string(max->getFps()).c_str());
-        return {max, GlobalSignals{.touch = true}};
-    }
-
-    // If the primary range consists of a single refresh rate then we can only
-    // move out the of range if layers explicitly request a different refresh
-    // rate.
-    const bool primaryRangeIsSingleRate =
-            isApproxEqual(policy->primaryRange.min, policy->primaryRange.max);
-
-    if (!signals.touch && signals.idle && !(primaryRangeIsSingleRate && hasExplicitVoteLayers)) {
-        const DisplayModePtr& min = getMinRefreshRateByPolicyLocked();
-        ALOGV("Idle - choose %s", to_string(min->getFps()).c_str());
-        return {min, GlobalSignals{.idle = true}};
-    }
-
-    if (layers.empty() || noVoteLayers == layers.size()) {
-        const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-        ALOGV("no layers with votes - choose %s", to_string(max->getFps()).c_str());
-        return {max, kNoSignals};
-    }
-
-    // Only if all layers want Min we should return Min
-    if (noVoteLayers + minVoteLayers == layers.size()) {
-        const DisplayModePtr& min = getMinRefreshRateByPolicyLocked();
-        ALOGV("all layers Min - choose %s", to_string(min->getFps()).c_str());
-        return {min, kNoSignals};
-    }
-
-    // Find the best refresh rate based on score
-    std::vector<RefreshRateScore> scores;
-    scores.reserve(mAppRequestRefreshRates.size());
-
-    for (const DisplayModeIterator modeIt : mAppRequestRefreshRates) {
-        scores.emplace_back(RefreshRateScore{modeIt, 0.0f});
-    }
-
-    for (const auto& layer : layers) {
-        ALOGV("Calculating score for %s (%s, weight %.2f, desired %.2f) ", layer.name.c_str(),
-              ftl::enum_string(layer.vote).c_str(), layer.weight,
-              layer.desiredRefreshRate.getValue());
-        if (layer.vote == LayerVoteType::NoVote || layer.vote == LayerVoteType::Min) {
-            continue;
-        }
-
-        const auto weight = layer.weight;
-
-        for (auto& [modeIt, overallScore, fixedRateBelowThresholdLayersScore] : scores) {
-            const auto& [id, mode] = *modeIt;
-            const bool isSeamlessSwitch = mode->getGroup() == mActiveModeIt->second->getGroup();
-
-            if (layer.seamlessness == Seamlessness::OnlySeamless && !isSeamlessSwitch) {
-                ALOGV("%s ignores %s to avoid non-seamless switch. Current mode = %s",
-                      formatLayerInfo(layer, weight).c_str(), to_string(*mode).c_str(),
-                      to_string(*mActiveModeIt->second).c_str());
-                continue;
-            }
-
-            if (layer.seamlessness == Seamlessness::SeamedAndSeamless && !isSeamlessSwitch &&
-                !layer.focused) {
-                ALOGV("%s ignores %s because it's not focused and the switch is going to be seamed."
-                      " Current mode = %s",
-                      formatLayerInfo(layer, weight).c_str(), to_string(*mode).c_str(),
-                      to_string(*mActiveModeIt->second).c_str());
-                continue;
-            }
-
-            // Layers with default seamlessness vote for the current mode group if
-            // there are layers with seamlessness=SeamedAndSeamless and for the default
-            // mode group otherwise. In second case, if the current mode group is different
-            // from the default, this means a layer with seamlessness=SeamedAndSeamless has just
-            // disappeared.
-            const bool isInPolicyForDefault = mode->getGroup() == anchorGroup;
-            if (layer.seamlessness == Seamlessness::Default && !isInPolicyForDefault) {
-                ALOGV("%s ignores %s. Current mode = %s", formatLayerInfo(layer, weight).c_str(),
-                      to_string(*mode).c_str(), to_string(*mActiveModeIt->second).c_str());
-                continue;
-            }
-
-            const bool inPrimaryRange = policy->primaryRange.includes(mode->getFps());
-            if ((primaryRangeIsSingleRate || !inPrimaryRange) &&
-                !(layer.focused &&
-                  (layer.vote == LayerVoteType::ExplicitDefault ||
-                   layer.vote == LayerVoteType::ExplicitExact))) {
-                // Only focused layers with ExplicitDefault frame rate settings are allowed to score
-                // refresh rates outside the primary range.
-                continue;
-            }
-
-            const float layerScore =
-                    calculateLayerScoreLocked(layer, mode->getFps(), isSeamlessSwitch);
-            const float weightedLayerScore = weight * layerScore;
-
-            // Layer with fixed source has a special consideration which depends on the
-            // mConfig.frameRateMultipleThreshold. We don't want these layers to score
-            // refresh rates above the threshold, but we also don't want to favor the lower
-            // ones by having a greater number of layers scoring them. Instead, we calculate
-            // the score independently for these layers and later decide which
-            // refresh rates to add it. For example, desired 24 fps with 120 Hz threshold should not
-            // score 120 Hz, but desired 60 fps should contribute to the score.
-            const bool fixedSourceLayer = [](LayerVoteType vote) {
-                switch (vote) {
-                    case LayerVoteType::ExplicitExactOrMultiple:
-                    case LayerVoteType::Heuristic:
-                        return true;
-                    case LayerVoteType::NoVote:
-                    case LayerVoteType::Min:
-                    case LayerVoteType::Max:
-                    case LayerVoteType::ExplicitDefault:
-                    case LayerVoteType::ExplicitExact:
-                        return false;
-                }
-            }(layer.vote);
-            const bool layerBelowThreshold = mConfig.frameRateMultipleThreshold != 0 &&
-                    layer.desiredRefreshRate <
-                            Fps::fromValue(mConfig.frameRateMultipleThreshold / 2);
-            if (fixedSourceLayer && layerBelowThreshold) {
-                const bool modeAboveThreshold =
-                        mode->getFps() >= Fps::fromValue(mConfig.frameRateMultipleThreshold);
-                if (modeAboveThreshold) {
-                    ALOGV("%s gives %s fixed source (above threshold) score of %.4f",
-                          formatLayerInfo(layer, weight).c_str(), to_string(mode->getFps()).c_str(),
-                          layerScore);
-                    fixedRateBelowThresholdLayersScore.modeAboveThreshold += weightedLayerScore;
-                } else {
-                    ALOGV("%s gives %s fixed source (below threshold) score of %.4f",
-                          formatLayerInfo(layer, weight).c_str(), to_string(mode->getFps()).c_str(),
-                          layerScore);
-                    fixedRateBelowThresholdLayersScore.modeBelowThreshold += weightedLayerScore;
-                }
-            } else {
-                ALOGV("%s gives %s score of %.4f", formatLayerInfo(layer, weight).c_str(),
-                      to_string(mode->getFps()).c_str(), layerScore);
-                overallScore += weightedLayerScore;
-            }
-        }
-    }
-
-    // We want to find the best refresh rate without the fixed source layers,
-    // so we could know whether we should add the modeAboveThreshold scores or not.
-    // If the best refresh rate is already above the threshold, it means that
-    // some non-fixed source layers already scored it, so we can just add the score
-    // for all fixed source layers, even the ones that are above the threshold.
-    const bool maxScoreAboveThreshold = [&] {
-        if (mConfig.frameRateMultipleThreshold == 0 || scores.empty()) {
-            return false;
-        }
-
-        const auto maxScoreIt =
-                std::max_element(scores.begin(), scores.end(),
-                                 [](RefreshRateScore max, RefreshRateScore current) {
-                                     const auto& [modeIt, overallScore, _] = current;
-                                     return overallScore > max.overallScore;
-                                 });
-        ALOGV("%s is the best refresh rate without fixed source layers. It is %s the threshold for "
-              "refresh rate multiples",
-              to_string(maxScoreIt->modeIt->second->getFps()).c_str(),
-              maxScoreAboveThreshold ? "above" : "below");
-        return maxScoreIt->modeIt->second->getFps() >=
-                Fps::fromValue(mConfig.frameRateMultipleThreshold);
-    }();
-
-    // Now we can add the fixed rate layers score
-    for (auto& [modeIt, overallScore, fixedRateBelowThresholdLayersScore] : scores) {
-        overallScore += fixedRateBelowThresholdLayersScore.modeBelowThreshold;
-        if (maxScoreAboveThreshold) {
-            overallScore += fixedRateBelowThresholdLayersScore.modeAboveThreshold;
-        }
-        ALOGV("%s adjusted overallScore is %.4f", to_string(modeIt->second->getFps()).c_str(),
-              overallScore);
-    }
-
-    // Now that we scored all the refresh rates we need to pick the one that got the highest
-    // overallScore. In case of a tie we will pick the higher refresh rate if any of the layers
-    // wanted Max, or the lower otherwise.
-    const DisplayModePtr& bestRefreshRate = maxVoteLayers > 0
-            ? getMaxScoreRefreshRate(scores.rbegin(), scores.rend())
-            : getMaxScoreRefreshRate(scores.begin(), scores.end());
-
-    if (primaryRangeIsSingleRate) {
-        // If we never scored any layers, then choose the rate from the primary
-        // range instead of picking a random score from the app range.
-        if (std::all_of(scores.begin(), scores.end(),
-                        [](RefreshRateScore score) { return score.overallScore == 0; })) {
-            const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-            ALOGV("layers not scored - choose %s", to_string(max->getFps()).c_str());
-            return {max, kNoSignals};
-        } else {
-            return {bestRefreshRate, kNoSignals};
-        }
-    }
-
-    // Consider the touch event if there are no ExplicitDefault layers. ExplicitDefault are mostly
-    // interactive (as opposed to ExplicitExactOrMultiple) and therefore if those posted an explicit
-    // vote we should not change it if we get a touch event. Only apply touch boost if it will
-    // actually increase the refresh rate over the normal selection.
-    const DisplayModePtr& touchRefreshRate = getMaxRefreshRateByPolicyLocked(anchorGroup);
-
-    const bool touchBoostForExplicitExact = [&] {
-        if (mSupportsFrameRateOverrideByContent) {
-            // Enable touch boost if there are other layers besides exact
-            return explicitExact + noVoteLayers != layers.size();
-        } else {
-            // Enable touch boost if there are no exact layers
-            return explicitExact == 0;
-        }
-    }();
-
-    using fps_approx_ops::operator<;
-
-    if (signals.touch && explicitDefaultVoteLayers == 0 && touchBoostForExplicitExact &&
-        bestRefreshRate->getFps() < touchRefreshRate->getFps()) {
-        ALOGV("TouchBoost - choose %s", to_string(touchRefreshRate->getFps()).c_str());
-        return {touchRefreshRate, GlobalSignals{.touch = true}};
-    }
-
-    return {bestRefreshRate, kNoSignals};
-}
-
-std::unordered_map<uid_t, std::vector<const RefreshRateConfigs::LayerRequirement*>>
-groupLayersByUid(const std::vector<RefreshRateConfigs::LayerRequirement>& layers) {
-    std::unordered_map<uid_t, std::vector<const RefreshRateConfigs::LayerRequirement*>> layersByUid;
-    for (const auto& layer : layers) {
-        auto iter = layersByUid.emplace(layer.ownerUid,
-                                        std::vector<const RefreshRateConfigs::LayerRequirement*>());
-        auto& layersWithSameUid = iter.first->second;
-        layersWithSameUid.push_back(&layer);
-    }
-
-    // Remove uids that can't have a frame rate override
-    for (auto iter = layersByUid.begin(); iter != layersByUid.end();) {
-        const auto& layersWithSameUid = iter->second;
-        bool skipUid = false;
-        for (const auto& layer : layersWithSameUid) {
-            if (layer->vote == RefreshRateConfigs::LayerVoteType::Max ||
-                layer->vote == RefreshRateConfigs::LayerVoteType::Heuristic) {
-                skipUid = true;
-                break;
-            }
-        }
-        if (skipUid) {
-            iter = layersByUid.erase(iter);
-        } else {
-            ++iter;
-        }
-    }
-
-    return layersByUid;
-}
-
-RefreshRateConfigs::UidToFrameRateOverride RefreshRateConfigs::getFrameRateOverrides(
-        const std::vector<LayerRequirement>& layers, Fps displayRefreshRate,
-        GlobalSignals globalSignals) const {
-    ATRACE_CALL();
-
-    ALOGV("%s: %zu layers", __func__, layers.size());
-
-    std::lock_guard lock(mLock);
-
-    std::vector<RefreshRateScore> scores;
-    scores.reserve(mDisplayModes.size());
-
-    for (auto it = mDisplayModes.begin(); it != mDisplayModes.end(); ++it) {
-        scores.emplace_back(RefreshRateScore{it, 0.0f});
-    }
-
-    std::sort(scores.begin(), scores.end(), [](const auto& lhs, const auto& rhs) {
-        const auto& mode1 = lhs.modeIt->second;
-        const auto& mode2 = rhs.modeIt->second;
-        return isStrictlyLess(mode1->getFps(), mode2->getFps());
-    });
-
-    std::unordered_map<uid_t, std::vector<const LayerRequirement*>> layersByUid =
-            groupLayersByUid(layers);
-    UidToFrameRateOverride frameRateOverrides;
-    for (const auto& [uid, layersWithSameUid] : layersByUid) {
-        // Layers with ExplicitExactOrMultiple expect touch boost
-        const bool hasExplicitExactOrMultiple =
-                std::any_of(layersWithSameUid.cbegin(), layersWithSameUid.cend(),
-                            [](const auto& layer) {
-                                return layer->vote == LayerVoteType::ExplicitExactOrMultiple;
-                            });
-
-        if (globalSignals.touch && hasExplicitExactOrMultiple) {
-            continue;
-        }
-
-        for (auto& [_, score, _1] : scores) {
-            score = 0;
-        }
-
-        for (const auto& layer : layersWithSameUid) {
-            if (layer->vote == LayerVoteType::NoVote || layer->vote == LayerVoteType::Min) {
-                continue;
-            }
-
-            LOG_ALWAYS_FATAL_IF(layer->vote != LayerVoteType::ExplicitDefault &&
-                                layer->vote != LayerVoteType::ExplicitExactOrMultiple &&
-                                layer->vote != LayerVoteType::ExplicitExact);
-            for (auto& [modeIt, score, _] : scores) {
-                constexpr bool isSeamlessSwitch = true;
-                const auto layerScore = calculateLayerScoreLocked(*layer, modeIt->second->getFps(),
-                                                                  isSeamlessSwitch);
-                score += layer->weight * layerScore;
-            }
-        }
-
-        // We just care about the refresh rates which are a divisor of the
-        // display refresh rate
-        const auto it = std::remove_if(scores.begin(), scores.end(), [&](RefreshRateScore score) {
-            const auto& [id, mode] = *score.modeIt;
-            return getFrameRateDivisor(displayRefreshRate, mode->getFps()) == 0;
-        });
-        scores.erase(it, scores.end());
-
-        // If we never scored any layers, we don't have a preferred frame rate
-        if (std::all_of(scores.begin(), scores.end(),
-                        [](RefreshRateScore score) { return score.overallScore == 0; })) {
-            continue;
-        }
-
-        // Now that we scored all the refresh rates we need to pick the one that got the highest
-        // score.
-        const DisplayModePtr& bestRefreshRate =
-                getMaxScoreRefreshRate(scores.begin(), scores.end());
-
-        frameRateOverrides.emplace(uid, bestRefreshRate->getFps());
-    }
-
-    return frameRateOverrides;
-}
-
-std::optional<Fps> RefreshRateConfigs::onKernelTimerChanged(
-        std::optional<DisplayModeId> desiredActiveModeId, bool timerExpired) const {
-    std::lock_guard lock(mLock);
-
-    const DisplayModePtr& current = desiredActiveModeId
-            ? mDisplayModes.get(*desiredActiveModeId)->get()
-            : mActiveModeIt->second;
-
-    const DisplayModePtr& min = mMinRefreshRateModeIt->second;
-    if (current == min) {
-        return {};
-    }
-
-    const auto& mode = timerExpired ? min : current;
-    return mode->getFps();
-}
-
-const DisplayModePtr& RefreshRateConfigs::getMinRefreshRateByPolicyLocked() const {
-    for (const DisplayModeIterator modeIt : mPrimaryRefreshRates) {
-        const auto& mode = modeIt->second;
-        if (mActiveModeIt->second->getGroup() == mode->getGroup()) {
-            return mode;
-        }
-    }
-
-    ALOGE("Can't find min refresh rate by policy with the same mode group"
-          " as the current mode %s",
-          to_string(*mActiveModeIt->second).c_str());
-
-    // Default to the lowest refresh rate.
-    return mPrimaryRefreshRates.front()->second;
-}
-
-DisplayModePtr RefreshRateConfigs::getMaxRefreshRateByPolicy() const {
-    std::lock_guard lock(mLock);
-    return getMaxRefreshRateByPolicyLocked();
-}
-
-const DisplayModePtr& RefreshRateConfigs::getMaxRefreshRateByPolicyLocked(int anchorGroup) const {
-    for (auto it = mPrimaryRefreshRates.rbegin(); it != mPrimaryRefreshRates.rend(); ++it) {
-        const auto& mode = (*it)->second;
-        if (anchorGroup == mode->getGroup()) {
-            return mode;
-        }
-    }
-
-    ALOGE("Can't find max refresh rate by policy with the same mode group"
-          " as the current mode %s",
-          to_string(*mActiveModeIt->second).c_str());
-
-    // Default to the highest refresh rate.
-    return mPrimaryRefreshRates.back()->second;
-}
-
-DisplayModePtr RefreshRateConfigs::getActiveMode() const {
-    std::lock_guard lock(mLock);
-    return mActiveModeIt->second;
-}
-
-void RefreshRateConfigs::setActiveModeId(DisplayModeId modeId) {
-    std::lock_guard lock(mLock);
-
-    // Invalidate the cached invocation to getBestRefreshRate. This forces
-    // the refresh rate to be recomputed on the next call to getBestRefreshRate.
-    mGetBestRefreshRateCache.reset();
-
-    mActiveModeIt = mDisplayModes.find(modeId);
-    LOG_ALWAYS_FATAL_IF(mActiveModeIt == mDisplayModes.end());
-}
-
-RefreshRateConfigs::RefreshRateConfigs(DisplayModes modes, DisplayModeId activeModeId,
-                                       Config config)
-      : mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
-    initializeIdleTimer();
-    updateDisplayModes(std::move(modes), activeModeId);
-}
-
-void RefreshRateConfigs::initializeIdleTimer() {
-    if (mConfig.idleTimerTimeout > 0ms) {
-        mIdleTimer.emplace(
-                "IdleTimer", mConfig.idleTimerTimeout,
-                [this] {
-                    std::scoped_lock lock(mIdleTimerCallbacksMutex);
-                    if (const auto callbacks = getIdleTimerCallbacks()) {
-                        callbacks->onReset();
-                    }
-                },
-                [this] {
-                    std::scoped_lock lock(mIdleTimerCallbacksMutex);
-                    if (const auto callbacks = getIdleTimerCallbacks()) {
-                        callbacks->onExpired();
-                    }
-                });
-    }
-}
-
-void RefreshRateConfigs::updateDisplayModes(DisplayModes modes, DisplayModeId activeModeId) {
-    std::lock_guard lock(mLock);
-
-    // Invalidate the cached invocation to getBestRefreshRate. This forces
-    // the refresh rate to be recomputed on the next call to getBestRefreshRate.
-    mGetBestRefreshRateCache.reset();
-
-    mDisplayModes = std::move(modes);
-    mActiveModeIt = mDisplayModes.find(activeModeId);
-    LOG_ALWAYS_FATAL_IF(mActiveModeIt == mDisplayModes.end());
-
-    const auto sortedModes =
-            sortByRefreshRate(mDisplayModes, [](const DisplayMode&) { return true; });
-    mMinRefreshRateModeIt = sortedModes.front();
-    mMaxRefreshRateModeIt = sortedModes.back();
-
-    // Reset the policy because the old one may no longer be valid.
-    mDisplayManagerPolicy = {};
-    mDisplayManagerPolicy.defaultMode = activeModeId;
-
-    mSupportsFrameRateOverrideByContent =
-            mConfig.enableFrameRateOverride && canModesSupportFrameRateOverride(sortedModes);
-
-    constructAvailableRefreshRates();
-}
-
-bool RefreshRateConfigs::isPolicyValidLocked(const Policy& policy) const {
-    // defaultMode must be a valid mode, and within the given refresh rate range.
-    if (const auto mode = mDisplayModes.get(policy.defaultMode)) {
-        if (!policy.primaryRange.includes(mode->get()->getFps())) {
-            ALOGE("Default mode is not in the primary range.");
-            return false;
-        }
-    } else {
-        ALOGE("Default mode is not found.");
-        return false;
-    }
-
-    using namespace fps_approx_ops;
-    return policy.appRequestRange.min <= policy.primaryRange.min &&
-            policy.appRequestRange.max >= policy.primaryRange.max;
-}
-
-status_t RefreshRateConfigs::setDisplayManagerPolicy(const Policy& policy) {
-    std::lock_guard lock(mLock);
-    if (!isPolicyValidLocked(policy)) {
-        ALOGE("Invalid refresh rate policy: %s", policy.toString().c_str());
-        return BAD_VALUE;
-    }
-    mGetBestRefreshRateCache.reset();
-    Policy previousPolicy = *getCurrentPolicyLocked();
-    mDisplayManagerPolicy = policy;
-    if (*getCurrentPolicyLocked() == previousPolicy) {
-        return CURRENT_POLICY_UNCHANGED;
-    }
-    constructAvailableRefreshRates();
-    return NO_ERROR;
-}
-
-status_t RefreshRateConfigs::setOverridePolicy(const std::optional<Policy>& policy) {
-    std::lock_guard lock(mLock);
-    if (policy && !isPolicyValidLocked(*policy)) {
-        return BAD_VALUE;
-    }
-    mGetBestRefreshRateCache.reset();
-    Policy previousPolicy = *getCurrentPolicyLocked();
-    mOverridePolicy = policy;
-    if (*getCurrentPolicyLocked() == previousPolicy) {
-        return CURRENT_POLICY_UNCHANGED;
-    }
-    constructAvailableRefreshRates();
-    return NO_ERROR;
-}
-
-const RefreshRateConfigs::Policy* RefreshRateConfigs::getCurrentPolicyLocked() const {
-    return mOverridePolicy ? &mOverridePolicy.value() : &mDisplayManagerPolicy;
-}
-
-RefreshRateConfigs::Policy RefreshRateConfigs::getCurrentPolicy() const {
-    std::lock_guard lock(mLock);
-    return *getCurrentPolicyLocked();
-}
-
-RefreshRateConfigs::Policy RefreshRateConfigs::getDisplayManagerPolicy() const {
-    std::lock_guard lock(mLock);
-    return mDisplayManagerPolicy;
-}
-
-bool RefreshRateConfigs::isModeAllowed(DisplayModeId modeId) const {
-    std::lock_guard lock(mLock);
-    return std::any_of(mAppRequestRefreshRates.begin(), mAppRequestRefreshRates.end(),
-                       [modeId](DisplayModeIterator modeIt) {
-                           return modeIt->second->getId() == modeId;
-                       });
-}
-
-void RefreshRateConfigs::constructAvailableRefreshRates() {
-    // Filter modes based on current policy and sort on refresh rate.
-    const Policy* policy = getCurrentPolicyLocked();
-    ALOGV("%s: %s ", __func__, policy->toString().c_str());
-
-    const auto& defaultMode = mDisplayModes.get(policy->defaultMode)->get();
-
-    const auto filterRefreshRates = [&](FpsRange range, const char* rangeName) REQUIRES(mLock) {
-        const auto filter = [&](const DisplayMode& mode) {
-            return mode.getResolution() == defaultMode->getResolution() &&
-                    mode.getDpi() == defaultMode->getDpi() &&
-                    (policy->allowGroupSwitching || mode.getGroup() == defaultMode->getGroup()) &&
-                    range.includes(mode.getFps());
-        };
-
-        const auto modes = sortByRefreshRate(mDisplayModes, filter);
-        LOG_ALWAYS_FATAL_IF(modes.empty(), "No matching modes for %s range %s", rangeName,
-                            to_string(range).c_str());
-
-        const auto stringifyModes = [&] {
-            std::string str;
-            for (const auto modeIt : modes) {
-                str += to_string(modeIt->second->getFps());
-                str.push_back(' ');
-            }
-            return str;
-        };
-        ALOGV("%s refresh rates: %s", rangeName, stringifyModes().c_str());
-
-        return modes;
-    };
-
-    mPrimaryRefreshRates = filterRefreshRates(policy->primaryRange, "primary");
-    mAppRequestRefreshRates = filterRefreshRates(policy->appRequestRange, "app request");
-}
-
-Fps RefreshRateConfigs::findClosestKnownFrameRate(Fps frameRate) const {
-    using namespace fps_approx_ops;
-
-    if (frameRate <= mKnownFrameRates.front()) {
-        return mKnownFrameRates.front();
-    }
-
-    if (frameRate >= mKnownFrameRates.back()) {
-        return mKnownFrameRates.back();
-    }
-
-    auto lowerBound = std::lower_bound(mKnownFrameRates.begin(), mKnownFrameRates.end(), frameRate,
-                                       isStrictlyLess);
-
-    const auto distance1 = std::abs(frameRate.getValue() - lowerBound->getValue());
-    const auto distance2 = std::abs(frameRate.getValue() - std::prev(lowerBound)->getValue());
-    return distance1 < distance2 ? *lowerBound : *std::prev(lowerBound);
-}
-
-RefreshRateConfigs::KernelIdleTimerAction RefreshRateConfigs::getIdleTimerAction() const {
-    std::lock_guard lock(mLock);
-
-    const Fps deviceMinFps = mMinRefreshRateModeIt->second->getFps();
-    const DisplayModePtr& minByPolicy = getMinRefreshRateByPolicyLocked();
-
-    // Kernel idle timer will set the refresh rate to the device min. If DisplayManager says that
-    // the min allowed refresh rate is higher than the device min, we do not want to enable the
-    // timer.
-    if (isStrictlyLess(deviceMinFps, minByPolicy->getFps())) {
-        return KernelIdleTimerAction::TurnOff;
-    }
-
-    const DisplayModePtr& maxByPolicy = getMaxRefreshRateByPolicyLocked();
-    if (minByPolicy == maxByPolicy) {
-        // Turn on the timer when the min of the primary range is below the device min.
-        if (const Policy* currentPolicy = getCurrentPolicyLocked();
-            isApproxLess(currentPolicy->primaryRange.min, deviceMinFps)) {
-            return KernelIdleTimerAction::TurnOn;
-        }
-        return KernelIdleTimerAction::TurnOff;
-    }
-
-    // Turn on the timer in all other cases.
-    return KernelIdleTimerAction::TurnOn;
-}
-
-int RefreshRateConfigs::getFrameRateDivisor(Fps displayRefreshRate, Fps layerFrameRate) {
-    // This calculation needs to be in sync with the java code
-    // in DisplayManagerService.getDisplayInfoForFrameRateOverride
-
-    // The threshold must be smaller than 0.001 in order to differentiate
-    // between the fractional pairs (e.g. 59.94 and 60).
-    constexpr float kThreshold = 0.0009f;
-    const auto numPeriods = displayRefreshRate.getValue() / layerFrameRate.getValue();
-    const auto numPeriodsRounded = std::round(numPeriods);
-    if (std::abs(numPeriods - numPeriodsRounded) > kThreshold) {
-        return 0;
-    }
-
-    return static_cast<int>(numPeriodsRounded);
-}
-
-bool RefreshRateConfigs::isFractionalPairOrMultiple(Fps smaller, Fps bigger) {
-    if (isStrictlyLess(bigger, smaller)) {
-        return isFractionalPairOrMultiple(bigger, smaller);
-    }
-
-    const auto multiplier = std::round(bigger.getValue() / smaller.getValue());
-    constexpr float kCoef = 1000.f / 1001.f;
-    return isApproxEqual(bigger, Fps::fromValue(smaller.getValue() * multiplier / kCoef)) ||
-            isApproxEqual(bigger, Fps::fromValue(smaller.getValue() * multiplier * kCoef));
-}
-
-void RefreshRateConfigs::dump(std::string& result) const {
-    using namespace std::string_literals;
-
-    std::lock_guard lock(mLock);
-
-    const auto activeModeId = mActiveModeIt->first;
-    result += "   activeModeId="s;
-    result += std::to_string(activeModeId.value());
-
-    result += "\n   displayModes=\n"s;
-    for (const auto& [id, mode] : mDisplayModes) {
-        result += "      "s;
-        result += to_string(*mode);
-        result += '\n';
-    }
-
-    base::StringAppendF(&result, "   displayManagerPolicy=%s\n",
-                        mDisplayManagerPolicy.toString().c_str());
-
-    if (const Policy& currentPolicy = *getCurrentPolicyLocked();
-        mOverridePolicy && currentPolicy != mDisplayManagerPolicy) {
-        base::StringAppendF(&result, "   overridePolicy=%s\n", currentPolicy.toString().c_str());
-    }
-
-    base::StringAppendF(&result, "   supportsFrameRateOverrideByContent=%s\n",
-                        mSupportsFrameRateOverrideByContent ? "true" : "false");
-
-    result += "   idleTimer="s;
-    if (mIdleTimer) {
-        result += mIdleTimer->dump();
-    } else {
-        result += "off"s;
-    }
-
-    if (const auto controller = mConfig.kernelIdleTimerController) {
-        base::StringAppendF(&result, " (kernel via %s)", ftl::enum_string(*controller).c_str());
-    } else {
-        result += " (platform)"s;
-    }
-
-    result += '\n';
-}
-
-std::chrono::milliseconds RefreshRateConfigs::getIdleTimerTimeout() {
-    return mConfig.idleTimerTimeout;
-}
-
-} // namespace android::scheduler
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
new file mode 100644
index 0000000000..a05d3df2de
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
@@ -0,0 +1,1304 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wextra"
+
+#include <chrono>
+#include <cmath>
+#include <deque>
+#include <map>
+
+#include <android-base/properties.h>
+#include <android-base/stringprintf.h>
+#include <ftl/enum.h>
+#include <ftl/fake_guard.h>
+#include <ftl/match.h>
+#include <ftl/unit.h>
+#include <scheduler/FrameRateMode.h>
+#include <utils/Trace.h>
+
+#include "../SurfaceFlingerProperties.h"
+#include "RefreshRateSelector.h"
+
+#undef LOG_TAG
+#define LOG_TAG "RefreshRateSelector"
+
+namespace android::scheduler {
+namespace {
+
+struct RefreshRateScore {
+    FrameRateMode frameRateMode;
+    float overallScore;
+    struct {
+        float modeBelowThreshold;
+        float modeAboveThreshold;
+    } fixedRateBelowThresholdLayersScore;
+};
+
+constexpr RefreshRateSelector::GlobalSignals kNoSignals;
+
+std::string formatLayerInfo(const RefreshRateSelector::LayerRequirement& layer, float weight) {
+    return base::StringPrintf("%s (type=%s, weight=%.2f, seamlessness=%s) %s", layer.name.c_str(),
+                              ftl::enum_string(layer.vote).c_str(), weight,
+                              ftl::enum_string(layer.seamlessness).c_str(),
+                              to_string(layer.desiredRefreshRate).c_str());
+}
+
+std::vector<Fps> constructKnownFrameRates(const DisplayModes& modes) {
+    std::vector<Fps> knownFrameRates = {24_Hz, 30_Hz, 45_Hz, 60_Hz, 72_Hz};
+    knownFrameRates.reserve(knownFrameRates.size() + modes.size());
+
+    // Add all supported refresh rates.
+    for (const auto& [id, mode] : modes) {
+        knownFrameRates.push_back(mode->getFps());
+    }
+
+    // Sort and remove duplicates.
+    std::sort(knownFrameRates.begin(), knownFrameRates.end(), isStrictlyLess);
+    knownFrameRates.erase(std::unique(knownFrameRates.begin(), knownFrameRates.end(),
+                                      isApproxEqual),
+                          knownFrameRates.end());
+    return knownFrameRates;
+}
+
+std::vector<DisplayModeIterator> sortByRefreshRate(const DisplayModes& modes) {
+    std::vector<DisplayModeIterator> sortedModes;
+    sortedModes.reserve(modes.size());
+    for (auto it = modes.begin(); it != modes.end(); ++it) {
+        sortedModes.push_back(it);
+    }
+
+    std::sort(sortedModes.begin(), sortedModes.end(), [](auto it1, auto it2) {
+        const auto& mode1 = it1->second;
+        const auto& mode2 = it2->second;
+
+        if (mode1->getVsyncPeriod() == mode2->getVsyncPeriod()) {
+            return mode1->getGroup() > mode2->getGroup();
+        }
+
+        return mode1->getVsyncPeriod() > mode2->getVsyncPeriod();
+    });
+
+    return sortedModes;
+}
+
+std::pair<unsigned, unsigned> divisorRange(Fps fps, FpsRange range,
+                                           RefreshRateSelector::Config::FrameRateOverride config) {
+    if (config != RefreshRateSelector::Config::FrameRateOverride::Enabled) {
+        return {1, 1};
+    }
+
+    using fps_approx_ops::operator/;
+    // use signed type as `fps / range.max` might be 0
+    const auto start = std::max(1, static_cast<int>(fps / range.max) - 1);
+    const auto end = fps /
+            std::max(range.min, RefreshRateSelector::kMinSupportedFrameRate,
+                     fps_approx_ops::operator<);
+
+    return {start, end};
+}
+
+bool shouldEnableFrameRateOverride(const std::vector<DisplayModeIterator>& sortedModes) {
+    for (const auto it1 : sortedModes) {
+        const auto& mode1 = it1->second;
+        for (const auto it2 : sortedModes) {
+            const auto& mode2 = it2->second;
+
+            if (RefreshRateSelector::getFrameRateDivisor(mode1->getFps(), mode2->getFps()) >= 2) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+std::string toString(const RefreshRateSelector::PolicyVariant& policy) {
+    using namespace std::string_literals;
+
+    return ftl::match(
+            policy,
+            [](const RefreshRateSelector::DisplayManagerPolicy& policy) {
+                return "DisplayManagerPolicy"s + policy.toString();
+            },
+            [](const RefreshRateSelector::OverridePolicy& policy) {
+                return "OverridePolicy"s + policy.toString();
+            },
+            [](RefreshRateSelector::NoOverridePolicy) { return "NoOverridePolicy"s; });
+}
+
+} // namespace
+
+auto RefreshRateSelector::createFrameRateModes(
+        std::function<bool(const DisplayMode&)>&& filterModes, const FpsRange& renderRange) const
+        -> std::vector<FrameRateMode> {
+    struct Key {
+        Fps fps;
+        int32_t group;
+    };
+
+    struct KeyLess {
+        bool operator()(const Key& a, const Key& b) const {
+            using namespace fps_approx_ops;
+            if (a.fps != b.fps) {
+                return a.fps < b.fps;
+            }
+
+            // For the same fps the order doesn't really matter, but we still
+            // want the behaviour of a strictly less operator.
+            // We use the group id as the secondary ordering for that.
+            return a.group < b.group;
+        }
+    };
+
+    std::map<Key, DisplayModeIterator, KeyLess> ratesMap;
+    for (auto it = mDisplayModes.begin(); it != mDisplayModes.end(); ++it) {
+        const auto& [id, mode] = *it;
+
+        if (!filterModes(*mode)) {
+            continue;
+        }
+        const auto [start, end] =
+                divisorRange(mode->getFps(), renderRange, mConfig.enableFrameRateOverride);
+        for (auto divisor = start; divisor <= end; divisor++) {
+            const auto fps = mode->getFps() / divisor;
+            using fps_approx_ops::operator<;
+            if (fps < kMinSupportedFrameRate) {
+                break;
+            }
+
+            if (mConfig.enableFrameRateOverride == Config::FrameRateOverride::Enabled &&
+                !renderRange.includes(fps)) {
+                continue;
+            }
+
+            if (mConfig.enableFrameRateOverride ==
+                        Config::FrameRateOverride::AppOverrideNativeRefreshRates &&
+                !isNativeRefreshRate(fps)) {
+                continue;
+            }
+
+            const auto [existingIter, emplaceHappened] =
+                    ratesMap.try_emplace(Key{fps, mode->getGroup()}, it);
+            if (emplaceHappened) {
+                ALOGV("%s: including %s (%s)", __func__, to_string(fps).c_str(),
+                      to_string(mode->getFps()).c_str());
+            } else {
+                // We might need to update the map as we found a lower refresh rate
+                if (isStrictlyLess(mode->getFps(), existingIter->second->second->getFps())) {
+                    existingIter->second = it;
+                    ALOGV("%s: changing %s (%s)", __func__, to_string(fps).c_str(),
+                          to_string(mode->getFps()).c_str());
+                }
+            }
+        }
+    }
+
+    std::vector<FrameRateMode> frameRateModes;
+    frameRateModes.reserve(ratesMap.size());
+    for (const auto& [key, mode] : ratesMap) {
+        frameRateModes.emplace_back(FrameRateMode{key.fps, ftl::as_non_null(mode->second)});
+    }
+
+    // We always want that the lowest frame rate will be corresponding to the
+    // lowest mode for power saving.
+    const auto lowestRefreshRateIt =
+            std::min_element(frameRateModes.begin(), frameRateModes.end(),
+                             [](const FrameRateMode& lhs, const FrameRateMode& rhs) {
+                                 return isStrictlyLess(lhs.modePtr->getFps(),
+                                                       rhs.modePtr->getFps());
+                             });
+    frameRateModes.erase(frameRateModes.begin(), lowestRefreshRateIt);
+
+    return frameRateModes;
+}
+
+struct RefreshRateSelector::RefreshRateScoreComparator {
+    bool operator()(const RefreshRateScore& lhs, const RefreshRateScore& rhs) const {
+        const auto& [frameRateMode, overallScore, _] = lhs;
+
+        std::string name = to_string(frameRateMode);
+
+        ALOGV("%s sorting scores %.2f", name.c_str(), overallScore);
+        ATRACE_INT(name.c_str(), static_cast<int>(std::round(overallScore * 100)));
+
+        if (!ScoredFrameRate::scoresEqual(overallScore, rhs.overallScore)) {
+            return overallScore > rhs.overallScore;
+        }
+
+        if (refreshRateOrder == RefreshRateOrder::Descending) {
+            using fps_approx_ops::operator>;
+            return frameRateMode.fps > rhs.frameRateMode.fps;
+        } else {
+            using fps_approx_ops::operator<;
+            return frameRateMode.fps < rhs.frameRateMode.fps;
+        }
+    }
+
+    const RefreshRateOrder refreshRateOrder;
+};
+
+std::string RefreshRateSelector::Policy::toString() const {
+    return base::StringPrintf("{defaultModeId=%d, allowGroupSwitching=%s"
+                              ", primaryRanges=%s, appRequestRanges=%s}",
+                              defaultMode.value(), allowGroupSwitching ? "true" : "false",
+                              to_string(primaryRanges).c_str(),
+                              to_string(appRequestRanges).c_str());
+}
+
+std::pair<nsecs_t, nsecs_t> RefreshRateSelector::getDisplayFrames(nsecs_t layerPeriod,
+                                                                  nsecs_t displayPeriod) const {
+    auto [quotient, remainder] = std::div(layerPeriod, displayPeriod);
+    if (remainder <= MARGIN_FOR_PERIOD_CALCULATION ||
+        std::abs(remainder - displayPeriod) <= MARGIN_FOR_PERIOD_CALCULATION) {
+        quotient++;
+        remainder = 0;
+    }
+
+    return {quotient, remainder};
+}
+
+float RefreshRateSelector::calculateNonExactMatchingLayerScoreLocked(const LayerRequirement& layer,
+                                                                     Fps refreshRate) const {
+    constexpr float kScoreForFractionalPairs = .8f;
+
+    const auto displayPeriod = refreshRate.getPeriodNsecs();
+    const auto layerPeriod = layer.desiredRefreshRate.getPeriodNsecs();
+    if (layer.vote == LayerVoteType::ExplicitDefault) {
+        // Find the actual rate the layer will render, assuming
+        // that layerPeriod is the minimal period to render a frame.
+        // For example if layerPeriod is 20ms and displayPeriod is 16ms,
+        // then the actualLayerPeriod will be 32ms, because it is the
+        // smallest multiple of the display period which is >= layerPeriod.
+        auto actualLayerPeriod = displayPeriod;
+        int multiplier = 1;
+        while (layerPeriod > actualLayerPeriod + MARGIN_FOR_PERIOD_CALCULATION) {
+            multiplier++;
+            actualLayerPeriod = displayPeriod * multiplier;
+        }
+
+        // Because of the threshold we used above it's possible that score is slightly
+        // above 1.
+        return std::min(1.0f,
+                        static_cast<float>(layerPeriod) / static_cast<float>(actualLayerPeriod));
+    }
+
+    if (layer.vote == LayerVoteType::ExplicitExactOrMultiple ||
+        layer.vote == LayerVoteType::Heuristic) {
+        const float multiplier = refreshRate.getValue() / layer.desiredRefreshRate.getValue();
+
+        // We only want to score this layer as a fractional pair if the content is not
+        // significantly faster than the display rate, at it would cause a significant frame drop.
+        // It is more appropriate to choose a higher display rate even if
+        // a pull-down will be required.
+        constexpr float kMinMultiplier = 0.25f;
+        if (multiplier >= kMinMultiplier &&
+            isFractionalPairOrMultiple(refreshRate, layer.desiredRefreshRate)) {
+            return kScoreForFractionalPairs;
+        }
+
+        // Calculate how many display vsyncs we need to present a single frame for this
+        // layer
+        const auto [displayFramesQuotient, displayFramesRemainder] =
+                getDisplayFrames(layerPeriod, displayPeriod);
+        static constexpr size_t MAX_FRAMES_TO_FIT = 10; // Stop calculating when score < 0.1
+        if (displayFramesRemainder == 0) {
+            // Layer desired refresh rate matches the display rate.
+            return 1.0f;
+        }
+
+        if (displayFramesQuotient == 0) {
+            // Layer desired refresh rate is higher than the display rate.
+            return (static_cast<float>(layerPeriod) / static_cast<float>(displayPeriod)) *
+                    (1.0f / (MAX_FRAMES_TO_FIT + 1));
+        }
+
+        // Layer desired refresh rate is lower than the display rate. Check how well it fits
+        // the cadence.
+        auto diff = std::abs(displayFramesRemainder - (displayPeriod - displayFramesRemainder));
+        int iter = 2;
+        while (diff > MARGIN_FOR_PERIOD_CALCULATION && iter < MAX_FRAMES_TO_FIT) {
+            diff = diff - (displayPeriod - diff);
+            iter++;
+        }
+
+        return (1.0f / iter);
+    }
+
+    return 0;
+}
+
+float RefreshRateSelector::calculateDistanceScoreFromMax(Fps refreshRate) const {
+    const auto& maxFps = mAppRequestFrameRates.back().fps;
+    const float ratio = refreshRate.getValue() / maxFps.getValue();
+    // Use ratio^2 to get a lower score the more we get further from peak
+    return ratio * ratio;
+}
+
+float RefreshRateSelector::calculateLayerScoreLocked(const LayerRequirement& layer, Fps refreshRate,
+                                                     bool isSeamlessSwitch) const {
+    // Slightly prefer seamless switches.
+    constexpr float kSeamedSwitchPenalty = 0.95f;
+    const float seamlessness = isSeamlessSwitch ? 1.0f : kSeamedSwitchPenalty;
+
+    // If the layer wants Max, give higher score to the higher refresh rate
+    if (layer.vote == LayerVoteType::Max) {
+        return calculateDistanceScoreFromMax(refreshRate);
+    }
+
+    if (layer.vote == LayerVoteType::ExplicitExact) {
+        const int divisor = getFrameRateDivisor(refreshRate, layer.desiredRefreshRate);
+        if (supportsAppFrameRateOverrideByContent()) {
+            // Since we support frame rate override, allow refresh rates which are
+            // multiples of the layer's request, as those apps would be throttled
+            // down to run at the desired refresh rate.
+            return divisor > 0;
+        }
+
+        return divisor == 1;
+    }
+
+    // If the layer frame rate is a divisor of the refresh rate it should score
+    // the highest score.
+    if (getFrameRateDivisor(refreshRate, layer.desiredRefreshRate) > 0) {
+        return 1.0f * seamlessness;
+    }
+
+    // The layer frame rate is not a divisor of the refresh rate,
+    // there is a small penalty attached to the score to favor the frame rates
+    // the exactly matches the display refresh rate or a multiple.
+    constexpr float kNonExactMatchingPenalty = 0.95f;
+    return calculateNonExactMatchingLayerScoreLocked(layer, refreshRate) * seamlessness *
+            kNonExactMatchingPenalty;
+}
+
+auto RefreshRateSelector::getRankedFrameRates(const std::vector<LayerRequirement>& layers,
+                                              GlobalSignals signals) const -> RankedFrameRates {
+    std::lock_guard lock(mLock);
+
+    if (mGetRankedFrameRatesCache &&
+        mGetRankedFrameRatesCache->arguments == std::make_pair(layers, signals)) {
+        return mGetRankedFrameRatesCache->result;
+    }
+
+    const auto result = getRankedFrameRatesLocked(layers, signals);
+    mGetRankedFrameRatesCache = GetRankedFrameRatesCache{{layers, signals}, result};
+    return result;
+}
+
+auto RefreshRateSelector::getRankedFrameRatesLocked(const std::vector<LayerRequirement>& layers,
+                                                    GlobalSignals signals) const
+        -> RankedFrameRates {
+    using namespace fps_approx_ops;
+    ATRACE_CALL();
+    ALOGV("%s: %zu layers", __func__, layers.size());
+
+    const auto& activeMode = *getActiveModeLocked().modePtr;
+
+    // Keep the display at max frame rate for the duration of powering on the display.
+    if (signals.powerOnImminent) {
+        ALOGV("Power On Imminent");
+        return {rankFrameRates(activeMode.getGroup(), RefreshRateOrder::Descending),
+                GlobalSignals{.powerOnImminent = true}};
+    }
+
+    int noVoteLayers = 0;
+    int minVoteLayers = 0;
+    int maxVoteLayers = 0;
+    int explicitDefaultVoteLayers = 0;
+    int explicitExactOrMultipleVoteLayers = 0;
+    int explicitExact = 0;
+    int seamedFocusedLayers = 0;
+
+    for (const auto& layer : layers) {
+        switch (layer.vote) {
+            case LayerVoteType::NoVote:
+                noVoteLayers++;
+                break;
+            case LayerVoteType::Min:
+                minVoteLayers++;
+                break;
+            case LayerVoteType::Max:
+                maxVoteLayers++;
+                break;
+            case LayerVoteType::ExplicitDefault:
+                explicitDefaultVoteLayers++;
+                break;
+            case LayerVoteType::ExplicitExactOrMultiple:
+                explicitExactOrMultipleVoteLayers++;
+                break;
+            case LayerVoteType::ExplicitExact:
+                explicitExact++;
+                break;
+            case LayerVoteType::Heuristic:
+                break;
+        }
+
+        if (layer.seamlessness == Seamlessness::SeamedAndSeamless && layer.focused) {
+            seamedFocusedLayers++;
+        }
+    }
+
+    const bool hasExplicitVoteLayers = explicitDefaultVoteLayers > 0 ||
+            explicitExactOrMultipleVoteLayers > 0 || explicitExact > 0;
+
+    const Policy* policy = getCurrentPolicyLocked();
+    const auto& defaultMode = mDisplayModes.get(policy->defaultMode)->get();
+
+    // If the default mode group is different from the group of current mode,
+    // this means a layer requesting a seamed mode switch just disappeared and
+    // we should switch back to the default group.
+    // However if a seamed layer is still present we anchor around the group
+    // of the current mode, in order to prevent unnecessary seamed mode switches
+    // (e.g. when pausing a video playback).
+    const auto anchorGroup =
+            seamedFocusedLayers > 0 ? activeMode.getGroup() : defaultMode->getGroup();
+
+    // Consider the touch event if there are no Explicit* layers. Otherwise wait until after we've
+    // selected a refresh rate to see if we should apply touch boost.
+    if (signals.touch && !hasExplicitVoteLayers) {
+        ALOGV("Touch Boost");
+        return {rankFrameRates(anchorGroup, RefreshRateOrder::Descending),
+                GlobalSignals{.touch = true}};
+    }
+
+    // If the primary range consists of a single refresh rate then we can only
+    // move out the of range if layers explicitly request a different refresh
+    // rate.
+    const bool primaryRangeIsSingleRate =
+            isApproxEqual(policy->primaryRanges.physical.min, policy->primaryRanges.physical.max);
+
+    if (!signals.touch && signals.idle && !(primaryRangeIsSingleRate && hasExplicitVoteLayers)) {
+        ALOGV("Idle");
+        return {rankFrameRates(activeMode.getGroup(), RefreshRateOrder::Ascending),
+                GlobalSignals{.idle = true}};
+    }
+
+    if (layers.empty() || noVoteLayers == layers.size()) {
+        ALOGV("No layers with votes");
+        return {rankFrameRates(anchorGroup, RefreshRateOrder::Descending), kNoSignals};
+    }
+
+    // Only if all layers want Min we should return Min
+    if (noVoteLayers + minVoteLayers == layers.size()) {
+        ALOGV("All layers Min");
+        return {rankFrameRates(activeMode.getGroup(), RefreshRateOrder::Ascending), kNoSignals};
+    }
+
+    // Find the best refresh rate based on score
+    std::vector<RefreshRateScore> scores;
+    scores.reserve(mAppRequestFrameRates.size());
+
+    for (const FrameRateMode& it : mAppRequestFrameRates) {
+        scores.emplace_back(RefreshRateScore{it, 0.0f});
+    }
+
+    for (const auto& layer : layers) {
+        ALOGV("Calculating score for %s (%s, weight %.2f, desired %.2f) ", layer.name.c_str(),
+              ftl::enum_string(layer.vote).c_str(), layer.weight,
+              layer.desiredRefreshRate.getValue());
+        if (layer.vote == LayerVoteType::NoVote || layer.vote == LayerVoteType::Min) {
+            continue;
+        }
+
+        const auto weight = layer.weight;
+
+        for (auto& [mode, overallScore, fixedRateBelowThresholdLayersScore] : scores) {
+            const auto& [fps, modePtr] = mode;
+            const bool isSeamlessSwitch = modePtr->getGroup() == activeMode.getGroup();
+
+            if (layer.seamlessness == Seamlessness::OnlySeamless && !isSeamlessSwitch) {
+                ALOGV("%s ignores %s to avoid non-seamless switch. Current mode = %s",
+                      formatLayerInfo(layer, weight).c_str(), to_string(*modePtr).c_str(),
+                      to_string(activeMode).c_str());
+                continue;
+            }
+
+            if (layer.seamlessness == Seamlessness::SeamedAndSeamless && !isSeamlessSwitch &&
+                !layer.focused) {
+                ALOGV("%s ignores %s because it's not focused and the switch is going to be seamed."
+                      " Current mode = %s",
+                      formatLayerInfo(layer, weight).c_str(), to_string(*modePtr).c_str(),
+                      to_string(activeMode).c_str());
+                continue;
+            }
+
+            // Layers with default seamlessness vote for the current mode group if
+            // there are layers with seamlessness=SeamedAndSeamless and for the default
+            // mode group otherwise. In second case, if the current mode group is different
+            // from the default, this means a layer with seamlessness=SeamedAndSeamless has just
+            // disappeared.
+            const bool isInPolicyForDefault = modePtr->getGroup() == anchorGroup;
+            if (layer.seamlessness == Seamlessness::Default && !isInPolicyForDefault) {
+                ALOGV("%s ignores %s. Current mode = %s", formatLayerInfo(layer, weight).c_str(),
+                      to_string(*modePtr).c_str(), to_string(activeMode).c_str());
+                continue;
+            }
+
+            const bool inPrimaryRange = policy->primaryRanges.physical.includes(modePtr->getFps());
+            if ((primaryRangeIsSingleRate || !inPrimaryRange) &&
+                !(layer.focused &&
+                  (layer.vote == LayerVoteType::ExplicitDefault ||
+                   layer.vote == LayerVoteType::ExplicitExact))) {
+                // Only focused layers with ExplicitDefault frame rate settings are allowed to score
+                // refresh rates outside the primary range.
+                continue;
+            }
+
+            const float layerScore = calculateLayerScoreLocked(layer, fps, isSeamlessSwitch);
+            const float weightedLayerScore = weight * layerScore;
+
+            // Layer with fixed source has a special consideration which depends on the
+            // mConfig.frameRateMultipleThreshold. We don't want these layers to score
+            // refresh rates above the threshold, but we also don't want to favor the lower
+            // ones by having a greater number of layers scoring them. Instead, we calculate
+            // the score independently for these layers and later decide which
+            // refresh rates to add it. For example, desired 24 fps with 120 Hz threshold should not
+            // score 120 Hz, but desired 60 fps should contribute to the score.
+            const bool fixedSourceLayer = [](LayerVoteType vote) {
+                switch (vote) {
+                    case LayerVoteType::ExplicitExactOrMultiple:
+                    case LayerVoteType::Heuristic:
+                        return true;
+                    case LayerVoteType::NoVote:
+                    case LayerVoteType::Min:
+                    case LayerVoteType::Max:
+                    case LayerVoteType::ExplicitDefault:
+                    case LayerVoteType::ExplicitExact:
+                        return false;
+                }
+            }(layer.vote);
+            const bool layerBelowThreshold = mConfig.frameRateMultipleThreshold != 0 &&
+                    layer.desiredRefreshRate <
+                            Fps::fromValue(mConfig.frameRateMultipleThreshold / 2);
+            if (fixedSourceLayer && layerBelowThreshold) {
+                const bool modeAboveThreshold =
+                        modePtr->getFps() >= Fps::fromValue(mConfig.frameRateMultipleThreshold);
+                if (modeAboveThreshold) {
+                    ALOGV("%s gives %s (%s) fixed source (above threshold) score of %.4f",
+                          formatLayerInfo(layer, weight).c_str(), to_string(fps).c_str(),
+                          to_string(modePtr->getFps()).c_str(), layerScore);
+                    fixedRateBelowThresholdLayersScore.modeAboveThreshold += weightedLayerScore;
+                } else {
+                    ALOGV("%s gives %s (%s) fixed source (below threshold) score of %.4f",
+                          formatLayerInfo(layer, weight).c_str(), to_string(fps).c_str(),
+                          to_string(modePtr->getFps()).c_str(), layerScore);
+                    fixedRateBelowThresholdLayersScore.modeBelowThreshold += weightedLayerScore;
+                }
+            } else {
+                ALOGV("%s gives %s (%s) score of %.4f", formatLayerInfo(layer, weight).c_str(),
+                      to_string(fps).c_str(), to_string(modePtr->getFps()).c_str(), layerScore);
+                overallScore += weightedLayerScore;
+            }
+        }
+    }
+
+    // We want to find the best refresh rate without the fixed source layers,
+    // so we could know whether we should add the modeAboveThreshold scores or not.
+    // If the best refresh rate is already above the threshold, it means that
+    // some non-fixed source layers already scored it, so we can just add the score
+    // for all fixed source layers, even the ones that are above the threshold.
+    const bool maxScoreAboveThreshold = [&] {
+        if (mConfig.frameRateMultipleThreshold == 0 || scores.empty()) {
+            return false;
+        }
+
+        const auto maxScoreIt =
+                std::max_element(scores.begin(), scores.end(),
+                                 [](RefreshRateScore max, RefreshRateScore current) {
+                                     return current.overallScore > max.overallScore;
+                                 });
+        ALOGV("%s (%s) is the best refresh rate without fixed source layers. It is %s the "
+              "threshold for "
+              "refresh rate multiples",
+              to_string(maxScoreIt->frameRateMode.fps).c_str(),
+              to_string(maxScoreIt->frameRateMode.modePtr->getFps()).c_str(),
+              maxScoreAboveThreshold ? "above" : "below");
+        return maxScoreIt->frameRateMode.modePtr->getFps() >=
+                Fps::fromValue(mConfig.frameRateMultipleThreshold);
+    }();
+
+    // Now we can add the fixed rate layers score
+    for (auto& [frameRateMode, overallScore, fixedRateBelowThresholdLayersScore] : scores) {
+        overallScore += fixedRateBelowThresholdLayersScore.modeBelowThreshold;
+        if (maxScoreAboveThreshold) {
+            overallScore += fixedRateBelowThresholdLayersScore.modeAboveThreshold;
+        }
+        ALOGV("%s (%s) adjusted overallScore is %.4f", to_string(frameRateMode.fps).c_str(),
+              to_string(frameRateMode.modePtr->getFps()).c_str(), overallScore);
+    }
+
+    // Now that we scored all the refresh rates we need to pick the one that got the highest
+    // overallScore. Sort the scores based on their overallScore in descending order of priority.
+    const RefreshRateOrder refreshRateOrder =
+            maxVoteLayers > 0 ? RefreshRateOrder::Descending : RefreshRateOrder::Ascending;
+    std::sort(scores.begin(), scores.end(),
+              RefreshRateScoreComparator{.refreshRateOrder = refreshRateOrder});
+
+    FrameRateRanking ranking;
+    ranking.reserve(scores.size());
+
+    std::transform(scores.begin(), scores.end(), back_inserter(ranking),
+                   [](const RefreshRateScore& score) {
+                       return ScoredFrameRate{score.frameRateMode, score.overallScore};
+                   });
+
+    const bool noLayerScore = std::all_of(scores.begin(), scores.end(), [](RefreshRateScore score) {
+        return score.overallScore == 0;
+    });
+
+    if (primaryRangeIsSingleRate) {
+        // If we never scored any layers, then choose the rate from the primary
+        // range instead of picking a random score from the app range.
+        if (noLayerScore) {
+            ALOGV("Layers not scored");
+            return {rankFrameRates(anchorGroup, RefreshRateOrder::Descending), kNoSignals};
+        } else {
+            return {ranking, kNoSignals};
+        }
+    }
+
+    // Consider the touch event if there are no ExplicitDefault layers. ExplicitDefault are mostly
+    // interactive (as opposed to ExplicitExactOrMultiple) and therefore if those posted an explicit
+    // vote we should not change it if we get a touch event. Only apply touch boost if it will
+    // actually increase the refresh rate over the normal selection.
+    const bool touchBoostForExplicitExact = [&] {
+        if (supportsAppFrameRateOverrideByContent()) {
+            // Enable touch boost if there are other layers besides exact
+            return explicitExact + noVoteLayers != layers.size();
+        } else {
+            // Enable touch boost if there are no exact layers
+            return explicitExact == 0;
+        }
+    }();
+
+    const auto touchRefreshRates = rankFrameRates(anchorGroup, RefreshRateOrder::Descending);
+    using fps_approx_ops::operator<;
+
+    if (signals.touch && explicitDefaultVoteLayers == 0 && touchBoostForExplicitExact &&
+        scores.front().frameRateMode.fps < touchRefreshRates.front().frameRateMode.fps) {
+        ALOGV("Touch Boost");
+        return {touchRefreshRates, GlobalSignals{.touch = true}};
+    }
+
+    // If we never scored any layers, and we don't favor high refresh rates, prefer to stay with the
+    // current config
+    if (noLayerScore && refreshRateOrder == RefreshRateOrder::Ascending) {
+        const auto preferredDisplayMode = activeMode.getId();
+        return {rankFrameRates(anchorGroup, RefreshRateOrder::Ascending, preferredDisplayMode),
+                kNoSignals};
+    }
+
+    return {ranking, kNoSignals};
+}
+
+using LayerRequirementPtrs = std::vector<const RefreshRateSelector::LayerRequirement*>;
+using PerUidLayerRequirements = std::unordered_map<uid_t, LayerRequirementPtrs>;
+
+PerUidLayerRequirements groupLayersByUid(
+        const std::vector<RefreshRateSelector::LayerRequirement>& layers) {
+    PerUidLayerRequirements layersByUid;
+    for (const auto& layer : layers) {
+        const auto it = layersByUid.emplace(layer.ownerUid, LayerRequirementPtrs()).first;
+        auto& layersWithSameUid = it->second;
+        layersWithSameUid.push_back(&layer);
+    }
+
+    // Remove uids that can't have a frame rate override
+    for (auto it = layersByUid.begin(); it != layersByUid.end();) {
+        const auto& layersWithSameUid = it->second;
+        bool skipUid = false;
+        for (const auto& layer : layersWithSameUid) {
+            using LayerVoteType = RefreshRateSelector::LayerVoteType;
+
+            if (layer->vote == LayerVoteType::Max || layer->vote == LayerVoteType::Heuristic) {
+                skipUid = true;
+                break;
+            }
+        }
+        if (skipUid) {
+            it = layersByUid.erase(it);
+        } else {
+            ++it;
+        }
+    }
+
+    return layersByUid;
+}
+
+auto RefreshRateSelector::getFrameRateOverrides(const std::vector<LayerRequirement>& layers,
+                                                Fps displayRefreshRate,
+                                                GlobalSignals globalSignals) const
+        -> UidToFrameRateOverride {
+    ATRACE_CALL();
+    if (mConfig.enableFrameRateOverride == Config::FrameRateOverride::Disabled) {
+        return {};
+    }
+
+    ALOGV("%s: %zu layers", __func__, layers.size());
+    std::lock_guard lock(mLock);
+
+    const auto* policyPtr = getCurrentPolicyLocked();
+    // We don't want to run lower than 30fps
+    const Fps minFrameRate = std::max(policyPtr->appRequestRanges.render.min, 30_Hz, isApproxLess);
+
+    using fps_approx_ops::operator/;
+    const unsigned numMultiples = displayRefreshRate / minFrameRate;
+
+    std::vector<std::pair<Fps, float>> scoredFrameRates;
+    scoredFrameRates.reserve(numMultiples);
+
+    for (unsigned n = numMultiples; n > 0; n--) {
+        const Fps divisor = displayRefreshRate / n;
+        if (mConfig.enableFrameRateOverride ==
+                    Config::FrameRateOverride::AppOverrideNativeRefreshRates &&
+            !isNativeRefreshRate(divisor)) {
+            continue;
+        }
+
+        if (policyPtr->appRequestRanges.render.includes(divisor)) {
+            ALOGV("%s: adding %s as a potential frame rate", __func__, to_string(divisor).c_str());
+            scoredFrameRates.emplace_back(divisor, 0);
+        }
+    }
+
+    const auto layersByUid = groupLayersByUid(layers);
+    UidToFrameRateOverride frameRateOverrides;
+    for (const auto& [uid, layersWithSameUid] : layersByUid) {
+        // Layers with ExplicitExactOrMultiple expect touch boost
+        const bool hasExplicitExactOrMultiple =
+                std::any_of(layersWithSameUid.cbegin(), layersWithSameUid.cend(),
+                            [](const auto& layer) {
+                                return layer->vote == LayerVoteType::ExplicitExactOrMultiple;
+                            });
+
+        if (globalSignals.touch && hasExplicitExactOrMultiple) {
+            continue;
+        }
+
+        for (auto& [_, score] : scoredFrameRates) {
+            score = 0;
+        }
+
+        for (const auto& layer : layersWithSameUid) {
+            if (layer->vote == LayerVoteType::NoVote || layer->vote == LayerVoteType::Min) {
+                continue;
+            }
+
+            LOG_ALWAYS_FATAL_IF(layer->vote != LayerVoteType::ExplicitDefault &&
+                                layer->vote != LayerVoteType::ExplicitExactOrMultiple &&
+                                layer->vote != LayerVoteType::ExplicitExact);
+            for (auto& [fps, score] : scoredFrameRates) {
+                constexpr bool isSeamlessSwitch = true;
+                const auto layerScore = calculateLayerScoreLocked(*layer, fps, isSeamlessSwitch);
+                score += layer->weight * layerScore;
+            }
+        }
+
+        // If we never scored any layers, we don't have a preferred frame rate
+        if (std::all_of(scoredFrameRates.begin(), scoredFrameRates.end(),
+                        [](const auto& scoredFrameRate) {
+                            const auto [_, score] = scoredFrameRate;
+                            return score == 0;
+                        })) {
+            continue;
+        }
+
+        // Now that we scored all the refresh rates we need to pick the lowest refresh rate
+        // that got the highest score.
+        const auto [overrideFps, _] =
+                *std::max_element(scoredFrameRates.begin(), scoredFrameRates.end(),
+                                  [](const auto& lhsPair, const auto& rhsPair) {
+                                      const float lhs = lhsPair.second;
+                                      const float rhs = rhsPair.second;
+                                      return lhs < rhs && !ScoredFrameRate::scoresEqual(lhs, rhs);
+                                  });
+        ALOGV("%s: overriding to %s for uid=%d", __func__, to_string(overrideFps).c_str(), uid);
+        frameRateOverrides.emplace(uid, overrideFps);
+    }
+
+    return frameRateOverrides;
+}
+
+ftl::Optional<FrameRateMode> RefreshRateSelector::onKernelTimerChanged(
+        std::optional<DisplayModeId> desiredActiveModeId, bool timerExpired) const {
+    std::lock_guard lock(mLock);
+
+    const auto current = [&]() REQUIRES(mLock) -> FrameRateMode {
+        if (desiredActiveModeId) {
+            const auto& modePtr = mDisplayModes.get(*desiredActiveModeId)->get();
+            return FrameRateMode{modePtr->getFps(), ftl::as_non_null(modePtr)};
+        }
+
+        return getActiveModeLocked();
+    }();
+
+    const DisplayModePtr& min = mMinRefreshRateModeIt->second;
+    if (current.modePtr->getId() == min->getId()) {
+        return {};
+    }
+
+    return timerExpired ? FrameRateMode{min->getFps(), ftl::as_non_null(min)} : current;
+}
+
+const DisplayModePtr& RefreshRateSelector::getMinRefreshRateByPolicyLocked() const {
+    const auto& activeMode = *getActiveModeLocked().modePtr;
+
+    for (const FrameRateMode& mode : mPrimaryFrameRates) {
+        if (activeMode.getGroup() == mode.modePtr->getGroup()) {
+            return mode.modePtr.get();
+        }
+    }
+
+    ALOGE("Can't find min refresh rate by policy with the same mode group as the current mode %s",
+          to_string(activeMode).c_str());
+
+    // Default to the lowest refresh rate.
+    return mPrimaryFrameRates.front().modePtr.get();
+}
+
+const DisplayModePtr& RefreshRateSelector::getMaxRefreshRateByPolicyLocked(int anchorGroup) const {
+    const ftl::NonNull<DisplayModePtr>* maxByAnchor = &mPrimaryFrameRates.back().modePtr;
+    const ftl::NonNull<DisplayModePtr>* max = &mPrimaryFrameRates.back().modePtr;
+
+    bool maxByAnchorFound = false;
+    for (auto it = mPrimaryFrameRates.rbegin(); it != mPrimaryFrameRates.rend(); ++it) {
+        using namespace fps_approx_ops;
+        if (it->modePtr->getFps() > (*max)->getFps()) {
+            max = &it->modePtr;
+        }
+
+        if (anchorGroup == it->modePtr->getGroup() &&
+            it->modePtr->getFps() >= (*maxByAnchor)->getFps()) {
+            maxByAnchorFound = true;
+            maxByAnchor = &it->modePtr;
+        }
+    }
+
+    if (maxByAnchorFound) {
+        return maxByAnchor->get();
+    }
+
+    ALOGE("Can't find max refresh rate by policy with the same group %d", anchorGroup);
+
+    // Default to the highest refresh rate.
+    return max->get();
+}
+
+auto RefreshRateSelector::rankFrameRates(std::optional<int> anchorGroupOpt,
+                                         RefreshRateOrder refreshRateOrder,
+                                         std::optional<DisplayModeId> preferredDisplayModeOpt) const
+        -> FrameRateRanking {
+    const char* const whence = __func__;
+    std::deque<ScoredFrameRate> ranking;
+    const auto rankFrameRate = [&](const FrameRateMode& frameRateMode) REQUIRES(mLock) {
+        const auto& modePtr = frameRateMode.modePtr;
+        if (anchorGroupOpt && modePtr->getGroup() != anchorGroupOpt) {
+            return;
+        }
+
+        float score = calculateDistanceScoreFromMax(frameRateMode.fps);
+        const bool inverseScore = (refreshRateOrder == RefreshRateOrder::Ascending);
+        if (inverseScore) {
+            score = 1.0f / score;
+        }
+        if (preferredDisplayModeOpt) {
+            if (*preferredDisplayModeOpt == modePtr->getId()) {
+                constexpr float kScore = std::numeric_limits<float>::max();
+                ranking.emplace_front(ScoredFrameRate{frameRateMode, kScore});
+                return;
+            }
+            constexpr float kNonPreferredModePenalty = 0.95f;
+            score *= kNonPreferredModePenalty;
+        }
+        ALOGV("%s(%s) %s (%s) scored %.2f", whence, ftl::enum_string(refreshRateOrder).c_str(),
+              to_string(frameRateMode.fps).c_str(), to_string(modePtr->getFps()).c_str(), score);
+        ranking.emplace_back(ScoredFrameRate{frameRateMode, score});
+    };
+
+    if (refreshRateOrder == RefreshRateOrder::Ascending) {
+        std::for_each(mPrimaryFrameRates.begin(), mPrimaryFrameRates.end(), rankFrameRate);
+    } else {
+        std::for_each(mPrimaryFrameRates.rbegin(), mPrimaryFrameRates.rend(), rankFrameRate);
+    }
+
+    if (!ranking.empty() || !anchorGroupOpt) {
+        return {ranking.begin(), ranking.end()};
+    }
+
+    ALOGW("Can't find %s refresh rate by policy with the same mode group"
+          " as the mode group %d",
+          refreshRateOrder == RefreshRateOrder::Ascending ? "min" : "max", anchorGroupOpt.value());
+
+    constexpr std::optional<int> kNoAnchorGroup = std::nullopt;
+    return rankFrameRates(kNoAnchorGroup, refreshRateOrder, preferredDisplayModeOpt);
+}
+
+FrameRateMode RefreshRateSelector::getActiveMode() const {
+    std::lock_guard lock(mLock);
+    return getActiveModeLocked();
+}
+
+const FrameRateMode& RefreshRateSelector::getActiveModeLocked() const {
+    return *mActiveModeOpt;
+}
+
+void RefreshRateSelector::setActiveMode(DisplayModeId modeId, Fps renderFrameRate) {
+    std::lock_guard lock(mLock);
+
+    // Invalidate the cached invocation to getRankedFrameRates. This forces
+    // the refresh rate to be recomputed on the next call to getRankedFrameRates.
+    mGetRankedFrameRatesCache.reset();
+
+    const auto activeModeOpt = mDisplayModes.get(modeId);
+    LOG_ALWAYS_FATAL_IF(!activeModeOpt);
+
+    mActiveModeOpt.emplace(FrameRateMode{renderFrameRate, ftl::as_non_null(activeModeOpt->get())});
+}
+
+RefreshRateSelector::RefreshRateSelector(DisplayModes modes, DisplayModeId activeModeId,
+                                         Config config)
+      : mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
+    initializeIdleTimer();
+    FTL_FAKE_GUARD(kMainThreadContext, updateDisplayModes(std::move(modes), activeModeId));
+}
+
+void RefreshRateSelector::initializeIdleTimer() {
+    if (mConfig.idleTimerTimeout > 0ms) {
+        mIdleTimer.emplace(
+                "IdleTimer", mConfig.idleTimerTimeout,
+                [this] {
+                    std::scoped_lock lock(mIdleTimerCallbacksMutex);
+                    if (const auto callbacks = getIdleTimerCallbacks()) {
+                        callbacks->onReset();
+                    }
+                },
+                [this] {
+                    std::scoped_lock lock(mIdleTimerCallbacksMutex);
+                    if (const auto callbacks = getIdleTimerCallbacks()) {
+                        callbacks->onExpired();
+                    }
+                });
+    }
+}
+
+void RefreshRateSelector::updateDisplayModes(DisplayModes modes, DisplayModeId activeModeId) {
+    std::lock_guard lock(mLock);
+
+    // Invalidate the cached invocation to getRankedFrameRates. This forces
+    // the refresh rate to be recomputed on the next call to getRankedFrameRates.
+    mGetRankedFrameRatesCache.reset();
+
+    mDisplayModes = std::move(modes);
+    const auto activeModeOpt = mDisplayModes.get(activeModeId);
+    LOG_ALWAYS_FATAL_IF(!activeModeOpt);
+    mActiveModeOpt =
+            FrameRateMode{activeModeOpt->get()->getFps(), ftl::as_non_null(activeModeOpt->get())};
+
+    const auto sortedModes = sortByRefreshRate(mDisplayModes);
+    mMinRefreshRateModeIt = sortedModes.front();
+    mMaxRefreshRateModeIt = sortedModes.back();
+
+    // Reset the policy because the old one may no longer be valid.
+    mDisplayManagerPolicy = {};
+    mDisplayManagerPolicy.defaultMode = activeModeId;
+
+    mFrameRateOverrideConfig = [&] {
+        switch (mConfig.enableFrameRateOverride) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverride:
+            case Config::FrameRateOverride::Enabled:
+                return mConfig.enableFrameRateOverride;
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+                return shouldEnableFrameRateOverride(sortedModes)
+                        ? Config::FrameRateOverride::AppOverrideNativeRefreshRates
+                        : Config::FrameRateOverride::Disabled;
+        }
+    }();
+
+    if (mConfig.enableFrameRateOverride ==
+        Config::FrameRateOverride::AppOverrideNativeRefreshRates) {
+        for (const auto& [_, mode] : mDisplayModes) {
+            mAppOverrideNativeRefreshRates.try_emplace(mode->getFps(), ftl::unit);
+        }
+    }
+
+    constructAvailableRefreshRates();
+}
+
+bool RefreshRateSelector::isPolicyValidLocked(const Policy& policy) const {
+    // defaultMode must be a valid mode, and within the given refresh rate range.
+    if (const auto mode = mDisplayModes.get(policy.defaultMode)) {
+        if (!policy.primaryRanges.physical.includes(mode->get()->getFps())) {
+            ALOGE("Default mode is not in the primary range.");
+            return false;
+        }
+    } else {
+        ALOGE("Default mode is not found.");
+        return false;
+    }
+
+    const auto& primaryRanges = policy.primaryRanges;
+    const auto& appRequestRanges = policy.appRequestRanges;
+    ALOGE_IF(!appRequestRanges.physical.includes(primaryRanges.physical),
+             "Physical range is invalid: primary: %s appRequest: %s",
+             to_string(primaryRanges.physical).c_str(),
+             to_string(appRequestRanges.physical).c_str());
+    ALOGE_IF(!appRequestRanges.render.includes(primaryRanges.render),
+             "Render range is invalid: primary: %s appRequest: %s",
+             to_string(primaryRanges.render).c_str(), to_string(appRequestRanges.render).c_str());
+
+    return primaryRanges.valid() && appRequestRanges.valid();
+}
+
+auto RefreshRateSelector::setPolicy(const PolicyVariant& policy) -> SetPolicyResult {
+    Policy oldPolicy;
+    PhysicalDisplayId displayId;
+    {
+        std::lock_guard lock(mLock);
+        oldPolicy = *getCurrentPolicyLocked();
+
+        const bool valid = ftl::match(
+                policy,
+                [this](const auto& policy) {
+                    ftl::FakeGuard guard(mLock);
+                    if (!isPolicyValidLocked(policy)) {
+                        ALOGE("Invalid policy: %s", policy.toString().c_str());
+                        return false;
+                    }
+
+                    using T = std::decay_t<decltype(policy)>;
+
+                    if constexpr (std::is_same_v<T, DisplayManagerPolicy>) {
+                        mDisplayManagerPolicy = policy;
+                    } else {
+                        static_assert(std::is_same_v<T, OverridePolicy>);
+                        mOverridePolicy = policy;
+                    }
+                    return true;
+                },
+                [this](NoOverridePolicy) {
+                    ftl::FakeGuard guard(mLock);
+                    mOverridePolicy.reset();
+                    return true;
+                });
+
+        if (!valid) {
+            return SetPolicyResult::Invalid;
+        }
+
+        mGetRankedFrameRatesCache.reset();
+
+        if (*getCurrentPolicyLocked() == oldPolicy) {
+            return SetPolicyResult::Unchanged;
+        }
+        constructAvailableRefreshRates();
+
+        displayId = getActiveModeLocked().modePtr->getPhysicalDisplayId();
+    }
+
+    const unsigned numModeChanges = std::exchange(mNumModeSwitchesInPolicy, 0u);
+
+    ALOGI("Display %s policy changed\n"
+          "Previous: %s\n"
+          "Current:  %s\n"
+          "%u mode changes were performed under the previous policy",
+          to_string(displayId).c_str(), oldPolicy.toString().c_str(), toString(policy).c_str(),
+          numModeChanges);
+
+    return SetPolicyResult::Changed;
+}
+
+auto RefreshRateSelector::getCurrentPolicyLocked() const -> const Policy* {
+    return mOverridePolicy ? &mOverridePolicy.value() : &mDisplayManagerPolicy;
+}
+
+auto RefreshRateSelector::getCurrentPolicy() const -> Policy {
+    std::lock_guard lock(mLock);
+    return *getCurrentPolicyLocked();
+}
+
+auto RefreshRateSelector::getDisplayManagerPolicy() const -> Policy {
+    std::lock_guard lock(mLock);
+    return mDisplayManagerPolicy;
+}
+
+bool RefreshRateSelector::isModeAllowed(const FrameRateMode& mode) const {
+    std::lock_guard lock(mLock);
+    return std::find(mAppRequestFrameRates.begin(), mAppRequestFrameRates.end(), mode) !=
+            mAppRequestFrameRates.end();
+}
+
+void RefreshRateSelector::constructAvailableRefreshRates() {
+    // Filter modes based on current policy and sort on refresh rate.
+    const Policy* policy = getCurrentPolicyLocked();
+    ALOGV("%s: %s ", __func__, policy->toString().c_str());
+
+    const auto& defaultMode = mDisplayModes.get(policy->defaultMode)->get();
+
+    const auto filterRefreshRates = [&](const FpsRanges& ranges,
+                                        const char* rangeName) REQUIRES(mLock) {
+        const auto filterModes = [&](const DisplayMode& mode) {
+            return mode.getResolution() == defaultMode->getResolution() &&
+                    mode.getDpi() == defaultMode->getDpi() &&
+                    (policy->allowGroupSwitching || mode.getGroup() == defaultMode->getGroup()) &&
+                    ranges.physical.includes(mode.getFps()) &&
+                    (supportsFrameRateOverride() || ranges.render.includes(mode.getFps()));
+        };
+
+        const auto frameRateModes = createFrameRateModes(filterModes, ranges.render);
+        LOG_ALWAYS_FATAL_IF(frameRateModes.empty(),
+                            "No matching frame rate modes for %s range. policy: %s", rangeName,
+                            policy->toString().c_str());
+
+        const auto stringifyModes = [&] {
+            std::string str;
+            for (const auto& frameRateMode : frameRateModes) {
+                str += to_string(frameRateMode) + " ";
+            }
+            return str;
+        };
+        ALOGV("%s render rates: %s", rangeName, stringifyModes().c_str());
+
+        return frameRateModes;
+    };
+
+    mPrimaryFrameRates = filterRefreshRates(policy->primaryRanges, "primary");
+    mAppRequestFrameRates = filterRefreshRates(policy->appRequestRanges, "app request");
+}
+
+Fps RefreshRateSelector::findClosestKnownFrameRate(Fps frameRate) const {
+    using namespace fps_approx_ops;
+
+    if (frameRate <= mKnownFrameRates.front()) {
+        return mKnownFrameRates.front();
+    }
+
+    if (frameRate >= mKnownFrameRates.back()) {
+        return mKnownFrameRates.back();
+    }
+
+    auto lowerBound = std::lower_bound(mKnownFrameRates.begin(), mKnownFrameRates.end(), frameRate,
+                                       isStrictlyLess);
+
+    const auto distance1 = std::abs(frameRate.getValue() - lowerBound->getValue());
+    const auto distance2 = std::abs(frameRate.getValue() - std::prev(lowerBound)->getValue());
+    return distance1 < distance2 ? *lowerBound : *std::prev(lowerBound);
+}
+
+auto RefreshRateSelector::getIdleTimerAction() const -> KernelIdleTimerAction {
+    std::lock_guard lock(mLock);
+
+    const Fps deviceMinFps = mMinRefreshRateModeIt->second->getFps();
+    const DisplayModePtr& minByPolicy = getMinRefreshRateByPolicyLocked();
+
+    // Kernel idle timer will set the refresh rate to the device min. If DisplayManager says that
+    // the min allowed refresh rate is higher than the device min, we do not want to enable the
+    // timer.
+    if (isStrictlyLess(deviceMinFps, minByPolicy->getFps())) {
+        return KernelIdleTimerAction::TurnOff;
+    }
+
+    const DisplayModePtr& maxByPolicy =
+            getMaxRefreshRateByPolicyLocked(getActiveModeLocked().modePtr->getGroup());
+    if (minByPolicy == maxByPolicy) {
+        // Turn on the timer when the min of the primary range is below the device min.
+        if (const Policy* currentPolicy = getCurrentPolicyLocked();
+            isApproxLess(currentPolicy->primaryRanges.physical.min, deviceMinFps)) {
+            return KernelIdleTimerAction::TurnOn;
+        }
+        return KernelIdleTimerAction::TurnOff;
+    }
+
+    // Turn on the timer in all other cases.
+    return KernelIdleTimerAction::TurnOn;
+}
+
+int RefreshRateSelector::getFrameRateDivisor(Fps displayRefreshRate, Fps layerFrameRate) {
+    // This calculation needs to be in sync with the java code
+    // in DisplayManagerService.getDisplayInfoForFrameRateOverride
+
+    // The threshold must be smaller than 0.001 in order to differentiate
+    // between the fractional pairs (e.g. 59.94 and 60).
+    constexpr float kThreshold = 0.0009f;
+    const auto numPeriods = displayRefreshRate.getValue() / layerFrameRate.getValue();
+    const auto numPeriodsRounded = std::round(numPeriods);
+    if (std::abs(numPeriods - numPeriodsRounded) > kThreshold) {
+        return 0;
+    }
+
+    return static_cast<int>(numPeriodsRounded);
+}
+
+bool RefreshRateSelector::isFractionalPairOrMultiple(Fps smaller, Fps bigger) {
+    if (isStrictlyLess(bigger, smaller)) {
+        return isFractionalPairOrMultiple(bigger, smaller);
+    }
+
+    const auto multiplier = std::round(bigger.getValue() / smaller.getValue());
+    constexpr float kCoef = 1000.f / 1001.f;
+    return isApproxEqual(bigger, Fps::fromValue(smaller.getValue() * multiplier / kCoef)) ||
+            isApproxEqual(bigger, Fps::fromValue(smaller.getValue() * multiplier * kCoef));
+}
+
+void RefreshRateSelector::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
+
+    std::lock_guard lock(mLock);
+
+    const auto activeMode = getActiveModeLocked();
+    dumper.dump("activeMode"sv, to_string(activeMode));
+
+    dumper.dump("displayModes"sv);
+    {
+        utils::Dumper::Indent indent(dumper);
+        for (const auto& [id, mode] : mDisplayModes) {
+            dumper.dump({}, to_string(*mode));
+        }
+    }
+
+    dumper.dump("displayManagerPolicy"sv, mDisplayManagerPolicy.toString());
+
+    if (const Policy& currentPolicy = *getCurrentPolicyLocked();
+        mOverridePolicy && currentPolicy != mDisplayManagerPolicy) {
+        dumper.dump("overridePolicy"sv, currentPolicy.toString());
+    }
+
+    dumper.dump("frameRateOverrideConfig"sv, *ftl::enum_name(mFrameRateOverrideConfig));
+
+    dumper.dump("idleTimer"sv);
+    {
+        utils::Dumper::Indent indent(dumper);
+        dumper.dump("interval"sv, mIdleTimer.transform(&OneShotTimer::interval));
+        dumper.dump("controller"sv,
+                    mConfig.kernelIdleTimerController
+                            .and_then(&ftl::enum_name<KernelIdleTimerController>)
+                            .value_or("Platform"sv));
+    }
+}
+
+std::chrono::milliseconds RefreshRateSelector::getIdleTimerTimeout() {
+    return mConfig.idleTimerTimeout;
+}
+
+} // namespace android::scheduler
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateSelector.h
index a79002e959..4f5842a67a 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.h
@@ -18,19 +18,25 @@
 
 #include <algorithm>
 #include <numeric>
-#include <optional>
 #include <type_traits>
 #include <utility>
+#include <variant>
 
+#include <ftl/concat.h>
+#include <ftl/optional.h>
+#include <ftl/unit.h>
 #include <gui/DisplayEventReceiver.h>
 
 #include <scheduler/Fps.h>
+#include <scheduler/FrameRateMode.h>
 #include <scheduler/Seamlessness.h>
 
 #include "DisplayHardware/DisplayMode.h"
 #include "DisplayHardware/HWComposer.h"
 #include "Scheduler/OneShotTimer.h"
 #include "Scheduler/StrongTyping.h"
+#include "ThreadContext.h"
+#include "Utils/Dumper.h"
 
 namespace android::scheduler {
 
@@ -45,19 +51,19 @@ inline DisplayModeEvent operator|(DisplayModeEvent lhs, DisplayModeEvent rhs) {
 
 using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
 
-/**
- * This class is used to encapsulate configuration for refresh rates. It holds information
- * about available refresh rates on the device, and the mapping between the numbers and human
- * readable names.
- */
-class RefreshRateConfigs {
+// Selects the refresh rate of a display by ranking its `DisplayModes` in accordance with
+// the DisplayManager (or override) `Policy`, the `LayerRequirement` of each active layer,
+// and `GlobalSignals`.
+class RefreshRateSelector {
 public:
     // Margin used when matching refresh rates to the content desired ones.
     static constexpr nsecs_t MARGIN_FOR_PERIOD_CALCULATION =
             std::chrono::nanoseconds(800us).count();
 
-    struct Policy {
-    private:
+    // The lowest Render Frame Rate that will ever be selected
+    static constexpr Fps kMinSupportedFrameRate = 20_Hz;
+
+    class Policy {
         static constexpr int kAllowGroupSwitchingDefault = false;
 
     public:
@@ -66,40 +72,31 @@ public:
         DisplayModeId defaultMode;
         // Whether or not we switch mode groups to get the best frame rate.
         bool allowGroupSwitching = kAllowGroupSwitchingDefault;
-        // The primary refresh rate range represents display manager's general guidance on the
-        // display modes we'll consider when switching refresh rates. Unless we get an explicit
-        // signal from an app, we should stay within this range.
-        FpsRange primaryRange;
-        // The app request refresh rate range allows us to consider more display modes when
-        // switching refresh rates. Although we should generally stay within the primary range,
-        // specific considerations, such as layer frame rate settings specified via the
-        // setFrameRate() api, may cause us to go outside the primary range. We never go outside the
-        // app request range. The app request range will be greater than or equal to the primary
-        // refresh rate range, never smaller.
-        FpsRange appRequestRange;
+        // The primary refresh rate ranges. @see DisplayModeSpecs.aidl for details.
+        // TODO(b/257072060): use the render range when selecting SF render rate
+        //  or the app override frame rate
+        FpsRanges primaryRanges;
+        // The app request refresh rate ranges. @see DisplayModeSpecs.aidl for details.
+        FpsRanges appRequestRanges;
 
         Policy() = default;
 
-        Policy(DisplayModeId defaultMode, FpsRange range)
-              : Policy(defaultMode, kAllowGroupSwitchingDefault, range, range) {}
-
-        Policy(DisplayModeId defaultMode, bool allowGroupSwitching, FpsRange range)
-              : Policy(defaultMode, allowGroupSwitching, range, range) {}
-
-        Policy(DisplayModeId defaultMode, FpsRange primaryRange, FpsRange appRequestRange)
-              : Policy(defaultMode, kAllowGroupSwitchingDefault, primaryRange, appRequestRange) {}
+        Policy(DisplayModeId defaultMode, FpsRange range,
+               bool allowGroupSwitching = kAllowGroupSwitchingDefault)
+              : Policy(defaultMode, FpsRanges{range, range}, FpsRanges{range, range},
+                       allowGroupSwitching) {}
 
-        Policy(DisplayModeId defaultMode, bool allowGroupSwitching, FpsRange primaryRange,
-               FpsRange appRequestRange)
+        Policy(DisplayModeId defaultMode, FpsRanges primaryRanges, FpsRanges appRequestRanges,
+               bool allowGroupSwitching = kAllowGroupSwitchingDefault)
               : defaultMode(defaultMode),
                 allowGroupSwitching(allowGroupSwitching),
-                primaryRange(primaryRange),
-                appRequestRange(appRequestRange) {}
+                primaryRanges(primaryRanges),
+                appRequestRanges(appRequestRanges) {}
 
         bool operator==(const Policy& other) const {
             using namespace fps_approx_ops;
-            return defaultMode == other.defaultMode && primaryRange == other.primaryRange &&
-                    appRequestRange == other.appRequestRange &&
+            return defaultMode == other.defaultMode && primaryRanges == other.primaryRanges &&
+                    appRequestRanges == other.appRequestRanges &&
                     allowGroupSwitching == other.allowGroupSwitching;
         }
 
@@ -107,23 +104,28 @@ public:
         std::string toString() const;
     };
 
-    // Return code set*Policy() to indicate the current policy is unchanged.
-    static constexpr int CURRENT_POLICY_UNCHANGED = 1;
+    enum class SetPolicyResult { Invalid, Unchanged, Changed };
 
     // We maintain the display manager policy and the override policy separately. The override
     // policy is used by CTS tests to get a consistent device state for testing. While the override
     // policy is set, it takes precedence over the display manager policy. Once the override policy
     // is cleared, we revert to using the display manager policy.
+    struct DisplayManagerPolicy : Policy {
+        using Policy::Policy;
+    };
+
+    struct OverridePolicy : Policy {
+        using Policy::Policy;
+    };
+
+    struct NoOverridePolicy {};
+
+    using PolicyVariant = std::variant<DisplayManagerPolicy, OverridePolicy, NoOverridePolicy>;
+
+    SetPolicyResult setPolicy(const PolicyVariant&) EXCLUDES(mLock) REQUIRES(kMainThreadContext);
+
+    void onModeChangeInitiated() REQUIRES(kMainThreadContext) { mNumModeSwitchesInPolicy++; }
 
-    // Sets the display manager policy to choose refresh rates. The return value will be:
-    //   - A negative value if the policy is invalid or another error occurred.
-    //   - NO_ERROR if the policy was successfully updated, and the current policy is different from
-    //     what it was before the call.
-    //   - CURRENT_POLICY_UNCHANGED if the policy was successfully updated, but the current policy
-    //     is the same as it was before the call.
-    status_t setDisplayManagerPolicy(const Policy& policy) EXCLUDES(mLock);
-    // Sets the override policy. See setDisplayManagerPolicy() for the meaning of the return value.
-    status_t setOverridePolicy(const std::optional<Policy>& policy) EXCLUDES(mLock);
     // Gets the current policy, which will be the override policy if active, and the display manager
     // policy otherwise.
     Policy getCurrentPolicy() const EXCLUDES(mLock);
@@ -131,7 +133,7 @@ public:
     Policy getDisplayManagerPolicy() const EXCLUDES(mLock);
 
     // Returns true if mode is allowed by the current policy.
-    bool isModeAllowed(DisplayModeId) const EXCLUDES(mLock);
+    bool isModeAllowed(const FrameRateMode&) const EXCLUDES(mLock);
 
     // Describes the different options the layer voted for refresh rate
     enum class LayerVoteType {
@@ -184,31 +186,68 @@ public:
         bool touch = false;
         // True if the system hasn't seen any buffers posted to layers recently.
         bool idle = false;
+        // Whether the display is about to be powered on, or has been in PowerMode::ON
+        // within the timeout of DisplayPowerTimer.
+        bool powerOnImminent = false;
 
         bool operator==(GlobalSignals other) const {
-            return touch == other.touch && idle == other.idle;
+            return touch == other.touch && idle == other.idle &&
+                    powerOnImminent == other.powerOnImminent;
+        }
+
+        auto toString() const {
+            return ftl::Concat("{touch=", touch, ", idle=", idle,
+                               ", powerOnImminent=", powerOnImminent, '}');
+        }
+    };
+
+    struct ScoredFrameRate {
+        FrameRateMode frameRateMode;
+        float score = 0.0f;
+
+        bool operator==(const ScoredFrameRate& other) const {
+            return frameRateMode == other.frameRateMode && score == other.score;
+        }
+
+        static bool scoresEqual(float lhs, float rhs) {
+            constexpr float kEpsilon = 0.0001f;
+            return std::abs(lhs - rhs) <= kEpsilon;
+        }
+
+        struct DescendingScore {
+            bool operator()(const ScoredFrameRate& lhs, const ScoredFrameRate& rhs) const {
+                return lhs.score > rhs.score && !scoresEqual(lhs.score, rhs.score);
+            }
+        };
+    };
+
+    using FrameRateRanking = std::vector<ScoredFrameRate>;
+
+    struct RankedFrameRates {
+        FrameRateRanking ranking; // Ordered by descending score.
+        GlobalSignals consideredSignals;
+
+        bool operator==(const RankedFrameRates& other) const {
+            return ranking == other.ranking && consideredSignals == other.consideredSignals;
         }
     };
 
-    // Returns the refresh rate that best fits the given layers, and whether the refresh rate was
-    // chosen based on touch boost and/or idle timer.
-    std::pair<DisplayModePtr, GlobalSignals> getBestRefreshRate(
-            const std::vector<LayerRequirement>&, GlobalSignals) const EXCLUDES(mLock);
+    RankedFrameRates getRankedFrameRates(const std::vector<LayerRequirement>&, GlobalSignals) const
+            EXCLUDES(mLock);
 
     FpsRange getSupportedRefreshRateRange() const EXCLUDES(mLock) {
         std::lock_guard lock(mLock);
         return {mMinRefreshRateModeIt->second->getFps(), mMaxRefreshRateModeIt->second->getFps()};
     }
 
-    std::optional<Fps> onKernelTimerChanged(std::optional<DisplayModeId> desiredActiveModeId,
-                                            bool timerExpired) const EXCLUDES(mLock);
+    ftl::Optional<FrameRateMode> onKernelTimerChanged(
+            std::optional<DisplayModeId> desiredActiveModeId, bool timerExpired) const
+            EXCLUDES(mLock);
 
-    // Returns the highest refresh rate according to the current policy. May change at runtime. Only
-    // uses the primary range, not the app request range.
-    DisplayModePtr getMaxRefreshRateByPolicy() const EXCLUDES(mLock);
+    void setActiveMode(DisplayModeId, Fps renderFrameRate) EXCLUDES(mLock);
 
-    void setActiveModeId(DisplayModeId) EXCLUDES(mLock);
-    DisplayModePtr getActiveMode() const EXCLUDES(mLock);
+    // See mActiveModeOpt for thread safety.
+    FrameRateMode getActiveMode() const EXCLUDES(mLock);
 
     // Returns a known frame rate that is the closest to frameRate
     Fps findClosestKnownFrameRate(Fps frameRate) const;
@@ -217,7 +256,23 @@ public:
 
     // Configuration flags.
     struct Config {
-        bool enableFrameRateOverride = false;
+        enum class FrameRateOverride {
+            // Do not override the frame rate for an app
+            Disabled,
+
+            // Override the frame rate for an app to a value which is also
+            // a display refresh rate
+            AppOverrideNativeRefreshRates,
+
+            // Override the frame rate for an app to any value
+            AppOverride,
+
+            // Override the frame rate for all apps and all values.
+            Enabled,
+
+            ftl_last = Enabled
+        };
+        FrameRateOverride enableFrameRateOverride = FrameRateOverride::Disabled;
 
         // Specifies the upper refresh rate threshold (inclusive) for layer vote types of multiple
         // or heuristic, such that refresh rates higher than this value will not be voted for. 0 if
@@ -229,37 +284,47 @@ public:
 
         // The controller representing how the kernel idle timer will be configured
         // either on the HWC api or sysprop.
-        std::optional<KernelIdleTimerController> kernelIdleTimerController;
+        ftl::Optional<KernelIdleTimerController> kernelIdleTimerController;
     };
 
-    RefreshRateConfigs(DisplayModes, DisplayModeId activeModeId,
-                       Config config = {.enableFrameRateOverride = false,
-                                        .frameRateMultipleThreshold = 0,
-                                        .idleTimerTimeout = 0ms,
-                                        .kernelIdleTimerController = {}});
+    RefreshRateSelector(
+            DisplayModes, DisplayModeId activeModeId,
+            Config config = {.enableFrameRateOverride = Config::FrameRateOverride::Disabled,
+                             .frameRateMultipleThreshold = 0,
+                             .idleTimerTimeout = 0ms,
+                             .kernelIdleTimerController = {}});
 
-    RefreshRateConfigs(const RefreshRateConfigs&) = delete;
-    RefreshRateConfigs& operator=(const RefreshRateConfigs&) = delete;
+    RefreshRateSelector(const RefreshRateSelector&) = delete;
+    RefreshRateSelector& operator=(const RefreshRateSelector&) = delete;
 
     // Returns whether switching modes (refresh rate or resolution) is possible.
     // TODO(b/158780872): Consider HAL support, and skip frame rate detection if the modes only
-    // differ in resolution.
+    //  differ in resolution. Once Config::FrameRateOverride::Enabled becomes the default,
+    //  we can probably remove canSwitch altogether since all devices will be able
+    //  to switch to a frame rate divisor.
     bool canSwitch() const EXCLUDES(mLock) {
         std::lock_guard lock(mLock);
-        return mDisplayModes.size() > 1;
+        return mDisplayModes.size() > 1 ||
+                mFrameRateOverrideConfig == Config::FrameRateOverride::Enabled;
     }
 
     // Class to enumerate options around toggling the kernel timer on and off.
     enum class KernelIdleTimerAction {
-        TurnOff,  // Turn off the idle timer.
-        TurnOn    // Turn on the idle timer.
+        TurnOff, // Turn off the idle timer.
+        TurnOn   // Turn on the idle timer.
     };
 
     // Checks whether kernel idle timer should be active depending the policy decisions around
     // refresh rates.
     KernelIdleTimerAction getIdleTimerAction() const;
 
-    bool supportsFrameRateOverrideByContent() const { return mSupportsFrameRateOverrideByContent; }
+    bool supportsAppFrameRateOverrideByContent() const {
+        return mFrameRateOverrideConfig != Config::FrameRateOverride::Disabled;
+    }
+
+    bool supportsFrameRateOverride() const {
+        return mFrameRateOverrideConfig == Config::FrameRateOverride::Enabled;
+    }
 
     // Return the display refresh rate divisor to match the layer
     // frame rate, or 0 if the display refresh rate is not a multiple of the
@@ -313,27 +378,32 @@ public:
         }
     }
 
-    void resetIdleTimer(bool kernelOnly) {
-        if (!mIdleTimer) {
-            return;
+    void resetKernelIdleTimer() {
+        if (mIdleTimer && mConfig.kernelIdleTimerController) {
+            mIdleTimer->reset();
         }
-        if (kernelOnly && !mConfig.kernelIdleTimerController.has_value()) {
-            return;
+    }
+
+    void resetIdleTimer() {
+        if (mIdleTimer) {
+            mIdleTimer->reset();
         }
-        mIdleTimer->reset();
     }
 
-    void dump(std::string& result) const EXCLUDES(mLock);
+    void dump(utils::Dumper&) const EXCLUDES(mLock);
 
     std::chrono::milliseconds getIdleTimerTimeout();
 
 private:
-    friend struct TestableRefreshRateConfigs;
+    friend struct TestableRefreshRateSelector;
 
     void constructAvailableRefreshRates() REQUIRES(mLock);
 
-    std::pair<DisplayModePtr, GlobalSignals> getBestRefreshRateLocked(
-            const std::vector<LayerRequirement>&, GlobalSignals) const REQUIRES(mLock);
+    // See mActiveModeOpt for thread safety.
+    const FrameRateMode& getActiveModeLocked() const REQUIRES(mLock);
+
+    RankedFrameRates getRankedFrameRatesLocked(const std::vector<LayerRequirement>& layers,
+                                               GlobalSignals signals) const REQUIRES(mLock);
 
     // Returns number of display frames and remainder when dividing the layer refresh period by
     // display refresh period.
@@ -346,13 +416,27 @@ private:
     // Returns the highest refresh rate according to the current policy. May change at runtime. Only
     // uses the primary range, not the app request range.
     const DisplayModePtr& getMaxRefreshRateByPolicyLocked(int anchorGroup) const REQUIRES(mLock);
-    const DisplayModePtr& getMaxRefreshRateByPolicyLocked() const REQUIRES(mLock) {
-        return getMaxRefreshRateByPolicyLocked(mActiveModeIt->second->getGroup());
-    }
+
+    struct RefreshRateScoreComparator;
+
+    enum class RefreshRateOrder {
+        Ascending,
+        Descending,
+
+        ftl_last = Descending
+    };
+
+    // Only uses the primary range, not the app request range.
+    FrameRateRanking rankFrameRates(
+            std::optional<int> anchorGroupOpt, RefreshRateOrder refreshRateOrder,
+            std::optional<DisplayModeId> preferredDisplayModeOpt = std::nullopt) const
+            REQUIRES(mLock);
 
     const Policy* getCurrentPolicyLocked() const REQUIRES(mLock);
     bool isPolicyValidLocked(const Policy& policy) const REQUIRES(mLock);
 
+    // Returns the refresh rate score as a ratio to max refresh rate, which has a score of 1.
+    float calculateDistanceScoreFromMax(Fps refreshRate) const REQUIRES(mLock);
     // calculates a score for a layer. Used to determine the display refresh rate
     // and the frame rate override for certains applications.
     float calculateLayerScoreLocked(const LayerRequirement&, Fps refreshRate,
@@ -361,7 +445,8 @@ private:
     float calculateNonExactMatchingLayerScoreLocked(const LayerRequirement&, Fps refreshRate) const
             REQUIRES(mLock);
 
-    void updateDisplayModes(DisplayModes, DisplayModeId activeModeId) EXCLUDES(mLock);
+    void updateDisplayModes(DisplayModes, DisplayModeId activeModeId) EXCLUDES(mLock)
+            REQUIRES(kMainThreadContext);
 
     void initializeIdleTimer();
 
@@ -372,22 +457,41 @@ private:
                                                              : mIdleTimerCallbacks->platform;
     }
 
+    bool isNativeRefreshRate(Fps fps) const REQUIRES(mLock) {
+        LOG_ALWAYS_FATAL_IF(mConfig.enableFrameRateOverride !=
+                                    Config::FrameRateOverride::AppOverrideNativeRefreshRates,
+                            "should only be called when "
+                            "Config::FrameRateOverride::AppOverrideNativeRefreshRates is used");
+        return mAppOverrideNativeRefreshRates.contains(fps);
+    }
+
+    std::vector<FrameRateMode> createFrameRateModes(
+            std::function<bool(const DisplayMode&)>&& filterModes, const FpsRange&) const
+            REQUIRES(mLock);
+
     // The display modes of the active display. The DisplayModeIterators below are pointers into
     // this container, so must be invalidated whenever the DisplayModes change. The Policy below
     // is also dependent, so must be reset as well.
     DisplayModes mDisplayModes GUARDED_BY(mLock);
 
-    DisplayModeIterator mActiveModeIt GUARDED_BY(mLock);
+    // Set of supported display refresh rates for easy lookup
+    // when FrameRateOverride::AppOverrideNativeRefreshRates is in use.
+    ftl::SmallMap<Fps, ftl::Unit, 8, FpsApproxEqual> mAppOverrideNativeRefreshRates;
+
+    ftl::Optional<FrameRateMode> mActiveModeOpt GUARDED_BY(mLock);
+
     DisplayModeIterator mMinRefreshRateModeIt GUARDED_BY(mLock);
     DisplayModeIterator mMaxRefreshRateModeIt GUARDED_BY(mLock);
 
     // Display modes that satisfy the Policy's ranges, filtered and sorted by refresh rate.
-    std::vector<DisplayModeIterator> mPrimaryRefreshRates GUARDED_BY(mLock);
-    std::vector<DisplayModeIterator> mAppRequestRefreshRates GUARDED_BY(mLock);
+    std::vector<FrameRateMode> mPrimaryFrameRates GUARDED_BY(mLock);
+    std::vector<FrameRateMode> mAppRequestFrameRates GUARDED_BY(mLock);
 
     Policy mDisplayManagerPolicy GUARDED_BY(mLock);
     std::optional<Policy> mOverridePolicy GUARDED_BY(mLock);
 
+    unsigned mNumModeSwitchesInPolicy GUARDED_BY(kMainThreadContext) = 0;
+
     mutable std::mutex mLock;
 
     // A sorted list of known frame rates that a Heuristic layer will choose
@@ -395,19 +499,19 @@ private:
     const std::vector<Fps> mKnownFrameRates;
 
     const Config mConfig;
-    bool mSupportsFrameRateOverrideByContent;
+    Config::FrameRateOverride mFrameRateOverrideConfig;
 
-    struct GetBestRefreshRateCache {
+    struct GetRankedFrameRatesCache {
         std::pair<std::vector<LayerRequirement>, GlobalSignals> arguments;
-        std::pair<DisplayModePtr, GlobalSignals> result;
+        RankedFrameRates result;
     };
-    mutable std::optional<GetBestRefreshRateCache> mGetBestRefreshRateCache GUARDED_BY(mLock);
+    mutable std::optional<GetRankedFrameRatesCache> mGetRankedFrameRatesCache GUARDED_BY(mLock);
 
     // Declare mIdleTimer last to ensure its thread joins before the mutex/callbacks are destroyed.
     std::mutex mIdleTimerCallbacksMutex;
     std::optional<IdleTimerCallbacks> mIdleTimerCallbacks GUARDED_BY(mIdleTimerCallbacksMutex);
     // Used to detect (lack of) frame activity.
-    std::optional<scheduler::OneShotTimer> mIdleTimer;
+    ftl::Optional<scheduler::OneShotTimer> mIdleTimer;
 };
 
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 727cb0817e..34f8df28e8 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -25,10 +25,11 @@
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <configstore/Utils.h>
+#include <ftl/enum.h>
 #include <ftl/fake_guard.h>
+#include <ftl/small_map.h>
 #include <gui/WindowInfo.h>
 #include <system/window.h>
-#include <ui/DisplayStatInfo.h>
 #include <utils/Timers.h>
 #include <utils/Trace.h>
 
@@ -42,9 +43,9 @@
 
 #include "../Layer.h"
 #include "DispSyncSource.h"
+#include "Display/DisplayMap.h"
 #include "EventThread.h"
 #include "FrameRateOverrideMappings.h"
-#include "InjectVSyncSource.h"
 #include "OneShotTimer.h"
 #include "SurfaceFlingerProperties.h"
 #include "VSyncPredictor.h"
@@ -68,8 +69,8 @@ Scheduler::~Scheduler() {
     mDisplayPowerTimer.reset();
     mTouchTimer.reset();
 
-    // Stop idle timer and clear callbacks, as the RefreshRateConfigs may outlive the Scheduler.
-    setRefreshRateConfigs(nullptr);
+    // Stop idle timer and clear callbacks, as the RefreshRateSelector may outlive the Scheduler.
+    demoteLeaderDisplay();
 }
 
 void Scheduler::startTimers() {
@@ -94,36 +95,29 @@ void Scheduler::startTimers() {
     }
 }
 
-void Scheduler::setRefreshRateConfigs(std::shared_ptr<RefreshRateConfigs> configs) {
-    // The current RefreshRateConfigs instance may outlive this call, so unbind its idle timer.
-    {
-        // mRefreshRateConfigsLock is not locked here to avoid the deadlock
-        // as the callback can attempt to acquire the lock before stopIdleTimer can finish
-        // the execution. It's safe to FakeGuard as main thread is the only thread that
-        // writes to the mRefreshRateConfigs.
-        ftl::FakeGuard guard(mRefreshRateConfigsLock);
-        if (mRefreshRateConfigs) {
-            mRefreshRateConfigs->stopIdleTimer();
-            mRefreshRateConfigs->clearIdleTimerCallbacks();
-        }
-    }
-    {
-        // Clear state that depends on the current instance.
-        std::scoped_lock lock(mPolicyLock);
-        mPolicy = {};
-    }
+void Scheduler::setLeaderDisplay(std::optional<PhysicalDisplayId> leaderIdOpt) {
+    demoteLeaderDisplay();
+
+    std::scoped_lock lock(mDisplayLock);
+    promoteLeaderDisplay(leaderIdOpt);
+}
 
-    std::scoped_lock lock(mRefreshRateConfigsLock);
-    mRefreshRateConfigs = std::move(configs);
-    if (!mRefreshRateConfigs) return;
+void Scheduler::registerDisplay(PhysicalDisplayId displayId, RefreshRateSelectorPtr selectorPtr) {
+    demoteLeaderDisplay();
 
-    mRefreshRateConfigs->setIdleTimerCallbacks(
-            {.platform = {.onReset = [this] { idleTimerCallback(TimerState::Reset); },
-                          .onExpired = [this] { idleTimerCallback(TimerState::Expired); }},
-             .kernel = {.onReset = [this] { kernelIdleTimerCallback(TimerState::Reset); },
-                        .onExpired = [this] { kernelIdleTimerCallback(TimerState::Expired); }}});
+    std::scoped_lock lock(mDisplayLock);
+    mRefreshRateSelectors.emplace_or_replace(displayId, std::move(selectorPtr));
 
-    mRefreshRateConfigs->startIdleTimer();
+    promoteLeaderDisplay();
+}
+
+void Scheduler::unregisterDisplay(PhysicalDisplayId displayId) {
+    demoteLeaderDisplay();
+
+    std::scoped_lock lock(mDisplayLock);
+    mRefreshRateSelectors.erase(displayId);
+
+    promoteLeaderDisplay();
 }
 
 void Scheduler::run() {
@@ -132,6 +126,18 @@ void Scheduler::run() {
     }
 }
 
+void Scheduler::onFrameSignal(ICompositor& compositor, VsyncId vsyncId,
+                              TimePoint expectedVsyncTime) {
+    const TimePoint frameTime = SchedulerClock::now();
+
+    if (!compositor.commit(frameTime, vsyncId, expectedVsyncTime)) {
+        return;
+    }
+
+    compositor.composite(frameTime, vsyncId);
+    compositor.sample();
+}
+
 void Scheduler::createVsyncSchedule(FeatureFlags features) {
     mVsyncSchedule.emplace(features);
 }
@@ -145,42 +151,38 @@ std::unique_ptr<VSyncSource> Scheduler::makePrimaryDispSyncSource(
 }
 
 std::optional<Fps> Scheduler::getFrameRateOverride(uid_t uid) const {
-    const auto refreshRateConfigs = holdRefreshRateConfigs();
     const bool supportsFrameRateOverrideByContent =
-            refreshRateConfigs->supportsFrameRateOverrideByContent();
+            leaderSelectorPtr()->supportsAppFrameRateOverrideByContent();
     return mFrameRateOverrideMappings
             .getFrameRateOverrideForUid(uid, supportsFrameRateOverrideByContent);
 }
 
-bool Scheduler::isVsyncValid(nsecs_t expectedVsyncTimestamp, uid_t uid) const {
+bool Scheduler::isVsyncValid(TimePoint expectedVsyncTimestamp, uid_t uid) const {
     const auto frameRate = getFrameRateOverride(uid);
     if (!frameRate.has_value()) {
         return true;
     }
 
-    return mVsyncSchedule->getTracker().isVSyncInPhase(expectedVsyncTimestamp, *frameRate);
+    return mVsyncSchedule->getTracker().isVSyncInPhase(expectedVsyncTimestamp.ns(), *frameRate);
 }
 
 impl::EventThread::ThrottleVsyncCallback Scheduler::makeThrottleVsyncCallback() const {
-    std::scoped_lock lock(mRefreshRateConfigsLock);
-
     return [this](nsecs_t expectedVsyncTimestamp, uid_t uid) {
-        return !isVsyncValid(expectedVsyncTimestamp, uid);
+        return !isVsyncValid(TimePoint::fromNs(expectedVsyncTimestamp), uid);
     };
 }
 
 impl::EventThread::GetVsyncPeriodFunction Scheduler::makeGetVsyncPeriodFunction() const {
     return [this](uid_t uid) {
-        const Fps refreshRate = holdRefreshRateConfigs()->getActiveMode()->getFps();
-        const auto currentPeriod =
-                mVsyncSchedule->getTracker().currentPeriod() ?: refreshRate.getPeriodNsecs();
+        const Fps refreshRate = leaderSelectorPtr()->getActiveMode().fps;
+        const nsecs_t currentPeriod = mVsyncSchedule->period().ns() ?: refreshRate.getPeriodNsecs();
 
         const auto frameRate = getFrameRateOverride(uid);
         if (!frameRate.has_value()) {
             return currentPeriod;
         }
 
-        const auto divisor = RefreshRateConfigs::getFrameRateDivisor(refreshRate, *frameRate);
+        const auto divisor = RefreshRateSelector::getFrameRateDivisor(refreshRate, *frameRate);
         if (divisor <= 1) {
             return currentPeriod;
         }
@@ -188,15 +190,14 @@ impl::EventThread::GetVsyncPeriodFunction Scheduler::makeGetVsyncPeriodFunction(
     };
 }
 
-ConnectionHandle Scheduler::createConnection(
-        const char* connectionName, frametimeline::TokenManager* tokenManager,
-        std::chrono::nanoseconds workDuration, std::chrono::nanoseconds readyDuration,
-        impl::EventThread::InterceptVSyncsCallback interceptCallback) {
+ConnectionHandle Scheduler::createConnection(const char* connectionName,
+                                             frametimeline::TokenManager* tokenManager,
+                                             std::chrono::nanoseconds workDuration,
+                                             std::chrono::nanoseconds readyDuration) {
     auto vsyncSource = makePrimaryDispSyncSource(connectionName, workDuration, readyDuration);
     auto throttleVsync = makeThrottleVsyncCallback();
     auto getVsyncPeriod = makeGetVsyncPeriodFunction();
     auto eventThread = std::make_unique<impl::EventThread>(std::move(vsyncSource), tokenManager,
-                                                           std::move(interceptCallback),
                                                            std::move(throttleVsync),
                                                            std::move(getVsyncPeriod));
     return createConnection(std::move(eventThread));
@@ -214,12 +215,12 @@ ConnectionHandle Scheduler::createConnection(std::unique_ptr<EventThread> eventT
 }
 
 sp<EventThreadConnection> Scheduler::createConnectionInternal(
-        EventThread* eventThread, ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        EventThread* eventThread, EventRegistrationFlags eventRegistration) {
     return eventThread->createEventConnection([&] { resync(); }, eventRegistration);
 }
 
 sp<IDisplayEventConnection> Scheduler::createDisplayEventConnection(
-        ConnectionHandle handle, ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        ConnectionHandle handle, EventRegistrationFlags eventRegistration) {
     std::lock_guard<std::mutex> lock(mConnectionsLock);
     RETURN_IF_INVALID_HANDLE(handle, nullptr);
     return createConnectionInternal(mConnections[handle].thread.get(), eventRegistration);
@@ -266,9 +267,8 @@ void Scheduler::onScreenReleased(ConnectionHandle handle) {
 }
 
 void Scheduler::onFrameRateOverridesChanged(ConnectionHandle handle, PhysicalDisplayId displayId) {
-    const auto refreshRateConfigs = holdRefreshRateConfigs();
     const bool supportsFrameRateOverrideByContent =
-            refreshRateConfigs->supportsFrameRateOverrideByContent();
+            leaderSelectorPtr()->supportsAppFrameRateOverrideByContent();
 
     std::vector<FrameRateOverride> overrides =
             mFrameRateOverrideMappings.getAllFrameRateOverrides(supportsFrameRateOverrideByContent);
@@ -282,7 +282,7 @@ void Scheduler::onFrameRateOverridesChanged(ConnectionHandle handle, PhysicalDis
     thread->onFrameRateOverridesChanged(displayId, std::move(overrides));
 }
 
-void Scheduler::onPrimaryDisplayModeChanged(ConnectionHandle handle, DisplayModePtr mode) {
+void Scheduler::onPrimaryDisplayModeChanged(ConnectionHandle handle, const FrameRateMode& mode) {
     {
         std::lock_guard<std::mutex> lock(mPolicyLock);
         // Cache the last reported modes for primary display.
@@ -297,7 +297,7 @@ void Scheduler::onPrimaryDisplayModeChanged(ConnectionHandle handle, DisplayMode
 
 void Scheduler::dispatchCachedReportedMode() {
     // Check optional fields first.
-    if (!mPolicy.mode) {
+    if (!mPolicy.modeOpt) {
         ALOGW("No mode ID found, not dispatching cached mode.");
         return;
     }
@@ -309,22 +309,21 @@ void Scheduler::dispatchCachedReportedMode() {
     // If the mode is not the current mode, this means that a
     // mode change is in progress. In that case we shouldn't dispatch an event
     // as it will be dispatched when the current mode changes.
-    if (std::scoped_lock lock(mRefreshRateConfigsLock);
-        mRefreshRateConfigs->getActiveMode() != mPolicy.mode) {
+    if (leaderSelectorPtr()->getActiveMode() != mPolicy.modeOpt) {
         return;
     }
 
     // If there is no change from cached mode, there is no need to dispatch an event
-    if (mPolicy.mode == mPolicy.cachedModeChangedParams->mode) {
+    if (*mPolicy.modeOpt == mPolicy.cachedModeChangedParams->mode) {
         return;
     }
 
-    mPolicy.cachedModeChangedParams->mode = mPolicy.mode;
+    mPolicy.cachedModeChangedParams->mode = *mPolicy.modeOpt;
     onNonPrimaryDisplayModeChanged(mPolicy.cachedModeChangedParams->handle,
                                    mPolicy.cachedModeChangedParams->mode);
 }
 
-void Scheduler::onNonPrimaryDisplayModeChanged(ConnectionHandle handle, DisplayModePtr mode) {
+void Scheduler::onNonPrimaryDisplayModeChanged(ConnectionHandle handle, const FrameRateMode& mode) {
     android::EventThread* thread;
     {
         std::lock_guard<std::mutex> lock(mConnectionsLock);
@@ -361,50 +360,6 @@ void Scheduler::setDuration(ConnectionHandle handle, std::chrono::nanoseconds wo
     thread->setDuration(workDuration, readyDuration);
 }
 
-DisplayStatInfo Scheduler::getDisplayStatInfo(nsecs_t now) {
-    const auto vsyncTime = mVsyncSchedule->getTracker().nextAnticipatedVSyncTimeFrom(now);
-    const auto vsyncPeriod = mVsyncSchedule->getTracker().currentPeriod();
-    return DisplayStatInfo{.vsyncTime = vsyncTime, .vsyncPeriod = vsyncPeriod};
-}
-
-ConnectionHandle Scheduler::enableVSyncInjection(bool enable) {
-    if (mInjectVSyncs == enable) {
-        return {};
-    }
-
-    ALOGV("%s VSYNC injection", enable ? "Enabling" : "Disabling");
-
-    if (!mInjectorConnectionHandle) {
-        auto vsyncSource = std::make_unique<InjectVSyncSource>();
-        mVSyncInjector = vsyncSource.get();
-
-        auto eventThread =
-                std::make_unique<impl::EventThread>(std::move(vsyncSource),
-                                                    /*tokenManager=*/nullptr,
-                                                    impl::EventThread::InterceptVSyncsCallback(),
-                                                    impl::EventThread::ThrottleVsyncCallback(),
-                                                    impl::EventThread::GetVsyncPeriodFunction());
-
-        // EventThread does not dispatch VSYNC unless the display is connected and powered on.
-        eventThread->onHotplugReceived(PhysicalDisplayId::fromPort(0), true);
-        eventThread->onScreenAcquired();
-
-        mInjectorConnectionHandle = createConnection(std::move(eventThread));
-    }
-
-    mInjectVSyncs = enable;
-    return mInjectorConnectionHandle;
-}
-
-bool Scheduler::injectVSync(nsecs_t when, nsecs_t expectedVSyncTime, nsecs_t deadlineTimestamp) {
-    if (!mInjectVSyncs || !mVSyncInjector) {
-        return false;
-    }
-
-    mVSyncInjector->onInjectSyncEvent(when, expectedVSyncTime, deadlineTimestamp);
-    return true;
-}
-
 void Scheduler::enableHardwareVsync() {
     std::lock_guard<std::mutex> lock(mHWVsyncLock);
     if (!mPrimaryHWVsyncEnabled && mHWVsyncAvailable) {
@@ -440,6 +395,24 @@ void Scheduler::resyncToHardwareVsync(bool makeAvailable, Fps refreshRate) {
     setVsyncPeriod(refreshRate.getPeriodNsecs());
 }
 
+void Scheduler::setRenderRate(Fps renderFrameRate) {
+    const auto mode = leaderSelectorPtr()->getActiveMode();
+
+    using fps_approx_ops::operator!=;
+    LOG_ALWAYS_FATAL_IF(renderFrameRate != mode.fps,
+                        "Mismatch in render frame rates. Selector: %s, Scheduler: %s",
+                        to_string(mode.fps).c_str(), to_string(renderFrameRate).c_str());
+
+    ALOGV("%s %s (%s)", __func__, to_string(mode.fps).c_str(),
+          to_string(mode.modePtr->getFps()).c_str());
+
+    const auto divisor = RefreshRateSelector::getFrameRateDivisor(mode.modePtr->getFps(), mode.fps);
+    LOG_ALWAYS_FATAL_IF(divisor == 0, "%s <> %s -- not divisors", to_string(mode.fps).c_str(),
+                        to_string(mode.fps).c_str());
+
+    mVsyncSchedule->getTracker().setDivisor(static_cast<unsigned>(divisor));
+}
+
 void Scheduler::resync() {
     static constexpr nsecs_t kIgnoreDelay = ms2ns(750);
 
@@ -447,10 +420,7 @@ void Scheduler::resync() {
     const nsecs_t last = mLastResyncTime.exchange(now);
 
     if (now - last > kIgnoreDelay) {
-        const auto refreshRate = [&] {
-            std::scoped_lock lock(mRefreshRateConfigsLock);
-            return mRefreshRateConfigs->getActiveMode()->getFps();
-        }();
+        const auto refreshRate = leaderSelectorPtr()->getActiveMode().modePtr->getFps();
         resyncToHardwareVsync(false, refreshRate);
     }
 }
@@ -497,24 +467,10 @@ void Scheduler::addPresentFence(std::shared_ptr<FenceTime> fence) {
 }
 
 void Scheduler::registerLayer(Layer* layer) {
-    using WindowType = gui::WindowInfo::Type;
-
-    scheduler::LayerHistory::LayerVoteType voteType;
-
-    if (!mFeatures.test(Feature::kContentDetection) ||
-        layer->getWindowType() == WindowType::STATUS_BAR) {
-        voteType = scheduler::LayerHistory::LayerVoteType::NoVote;
-    } else if (layer->getWindowType() == WindowType::WALLPAPER) {
-        // Running Wallpaper at Min is considered as part of content detection.
-        voteType = scheduler::LayerHistory::LayerVoteType::Min;
-    } else {
-        voteType = scheduler::LayerHistory::LayerVoteType::Heuristic;
-    }
-
     // If the content detection feature is off, we still keep the layer history,
     // since we use it for other features (like Frame Rate API), so layers
     // still need to be registered.
-    mLayerHistory.registerLayer(layer, voteType);
+    mLayerHistory.registerLayer(layer, mFeatures.test(Feature::kContentDetection));
 }
 
 void Scheduler::deregisterLayer(Layer* layer) {
@@ -523,39 +479,38 @@ void Scheduler::deregisterLayer(Layer* layer) {
 
 void Scheduler::recordLayerHistory(Layer* layer, nsecs_t presentTime,
                                    LayerHistory::LayerUpdateType updateType) {
-    {
-        std::scoped_lock lock(mRefreshRateConfigsLock);
-        if (!mRefreshRateConfigs->canSwitch()) return;
+    if (leaderSelectorPtr()->canSwitch()) {
+        mLayerHistory.record(layer, presentTime, systemTime(), updateType);
     }
-
-    mLayerHistory.record(layer, presentTime, systemTime(), updateType);
 }
 
 void Scheduler::setModeChangePending(bool pending) {
     mLayerHistory.setModeChangePending(pending);
 }
 
+void Scheduler::setDefaultFrameRateCompatibility(Layer* layer) {
+    mLayerHistory.setDefaultFrameRateCompatibility(layer,
+                                                   mFeatures.test(Feature::kContentDetection));
+}
+
 void Scheduler::chooseRefreshRateForContent() {
-    const auto configs = holdRefreshRateConfigs();
-    if (!configs->canSwitch()) return;
+    const auto selectorPtr = leaderSelectorPtr();
+    if (!selectorPtr->canSwitch()) return;
 
     ATRACE_CALL();
 
-    LayerHistory::Summary summary = mLayerHistory.summarize(*configs, systemTime());
+    LayerHistory::Summary summary = mLayerHistory.summarize(*selectorPtr, systemTime());
     applyPolicy(&Policy::contentRequirements, std::move(summary));
 }
 
 void Scheduler::resetIdleTimer() {
-    std::scoped_lock lock(mRefreshRateConfigsLock);
-    mRefreshRateConfigs->resetIdleTimer(/*kernelOnly*/ false);
+    leaderSelectorPtr()->resetIdleTimer();
 }
 
 void Scheduler::onTouchHint() {
     if (mTouchTimer) {
         mTouchTimer->reset();
-
-        std::scoped_lock lock(mRefreshRateConfigsLock);
-        mRefreshRateConfigs->resetIdleTimer(/*kernelOnly*/ true);
+        leaderSelectorPtr()->resetKernelIdleTimer();
     }
 }
 
@@ -580,10 +535,7 @@ void Scheduler::kernelIdleTimerCallback(TimerState state) {
 
     // TODO(145561154): cleanup the kernel idle timer implementation and the refresh rate
     // magic number
-    const Fps refreshRate = [&] {
-        std::scoped_lock lock(mRefreshRateConfigsLock);
-        return mRefreshRateConfigs->getActiveMode()->getFps();
-    }();
+    const Fps refreshRate = leaderSelectorPtr()->getActiveMode().modePtr->getFps();
 
     constexpr Fps FPS_THRESHOLD_FOR_KERNEL_TIMER = 65_Hz;
     using namespace fps_approx_ops;
@@ -625,22 +577,40 @@ void Scheduler::displayPowerTimerCallback(TimerState state) {
     ATRACE_INT("ExpiredDisplayPowerTimer", static_cast<int>(state));
 }
 
-void Scheduler::dump(std::string& result) const {
-    using base::StringAppendF;
+void Scheduler::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
 
-    StringAppendF(&result, "+  Touch timer: %s\n",
-                  mTouchTimer ? mTouchTimer->dump().c_str() : "off");
-    StringAppendF(&result, "+  Content detection: %s %s\n\n",
-                  mFeatures.test(Feature::kContentDetection) ? "on" : "off",
-                  mLayerHistory.dump().c_str());
+    {
+        utils::Dumper::Section section(dumper, "Features"sv);
 
-    mFrameRateOverrideMappings.dump(result);
+        for (Feature feature : ftl::enum_range<Feature>()) {
+            if (const auto flagOpt = ftl::flag_name(feature)) {
+                dumper.dump(flagOpt->substr(1), mFeatures.test(feature));
+            }
+        }
+    }
+    {
+        utils::Dumper::Section section(dumper, "Policy"sv);
+        {
+            std::scoped_lock lock(mDisplayLock);
+            ftl::FakeGuard guard(kMainThreadContext);
+            dumper.dump("leaderDisplayId"sv, mLeaderDisplayId);
+        }
+        dumper.dump("layerHistory"sv, mLayerHistory.dump());
+        dumper.dump("touchTimer"sv, mTouchTimer.transform(&OneShotTimer::interval));
+        dumper.dump("displayPowerTimer"sv, mDisplayPowerTimer.transform(&OneShotTimer::interval));
+    }
+
+    mFrameRateOverrideMappings.dump(dumper);
+    dumper.eol();
 
     {
+        utils::Dumper::Section section(dumper, "Hardware VSYNC"sv);
+
         std::lock_guard lock(mHWVsyncLock);
-        StringAppendF(&result,
-                      "mScreenAcquired=%d mPrimaryHWVsyncEnabled=%d mHWVsyncAvailable=%d\n",
-                      mScreenAcquired.load(), mPrimaryHWVsyncEnabled, mHWVsyncAvailable);
+        dumper.dump("screenAcquired"sv, mScreenAcquired.load());
+        dumper.dump("hwVsyncAvailable"sv, mHWVsyncAvailable);
+        dumper.dump("hwVsyncEnabled"sv, mPrimaryHWVsyncEnabled);
     }
 }
 
@@ -649,54 +619,101 @@ void Scheduler::dumpVsync(std::string& out) const {
 }
 
 bool Scheduler::updateFrameRateOverrides(GlobalSignals consideredSignals, Fps displayRefreshRate) {
-    const auto refreshRateConfigs = holdRefreshRateConfigs();
+    if (consideredSignals.idle) return false;
+
+    const auto frameRateOverrides =
+            leaderSelectorPtr()->getFrameRateOverrides(mPolicy.contentRequirements,
+                                                       displayRefreshRate, consideredSignals);
+
+    // Note that RefreshRateSelector::supportsFrameRateOverrideByContent is checked when querying
+    // the FrameRateOverrideMappings rather than here.
+    return mFrameRateOverrideMappings.updateFrameRateOverridesByContent(frameRateOverrides);
+}
 
-    // we always update mFrameRateOverridesByContent here
-    // supportsFrameRateOverridesByContent will be checked
-    // when getting FrameRateOverrides from mFrameRateOverrideMappings
-    if (!consideredSignals.idle) {
-        const auto frameRateOverrides =
-                refreshRateConfigs->getFrameRateOverrides(mPolicy.contentRequirements,
-                                                          displayRefreshRate, consideredSignals);
-        return mFrameRateOverrideMappings.updateFrameRateOverridesByContent(frameRateOverrides);
+void Scheduler::promoteLeaderDisplay(std::optional<PhysicalDisplayId> leaderIdOpt) {
+    // TODO(b/241286431): Choose the leader display.
+    mLeaderDisplayId = leaderIdOpt.value_or(mRefreshRateSelectors.begin()->first);
+    ALOGI("Display %s is the leader", to_string(*mLeaderDisplayId).c_str());
+
+    if (const auto leaderPtr = leaderSelectorPtrLocked()) {
+        leaderPtr->setIdleTimerCallbacks(
+                {.platform = {.onReset = [this] { idleTimerCallback(TimerState::Reset); },
+                              .onExpired = [this] { idleTimerCallback(TimerState::Expired); }},
+                 .kernel = {.onReset = [this] { kernelIdleTimerCallback(TimerState::Reset); },
+                            .onExpired =
+                                    [this] { kernelIdleTimerCallback(TimerState::Expired); }}});
+
+        leaderPtr->startIdleTimer();
     }
-    return false;
+}
+
+void Scheduler::demoteLeaderDisplay() {
+    // No need to lock for reads on kMainThreadContext.
+    if (const auto leaderPtr = FTL_FAKE_GUARD(mDisplayLock, leaderSelectorPtrLocked())) {
+        leaderPtr->stopIdleTimer();
+        leaderPtr->clearIdleTimerCallbacks();
+    }
+
+    // Clear state that depends on the leader's RefreshRateSelector.
+    std::scoped_lock lock(mPolicyLock);
+    mPolicy = {};
 }
 
 template <typename S, typename T>
 auto Scheduler::applyPolicy(S Policy::*statePtr, T&& newState) -> GlobalSignals {
-    DisplayModePtr newMode;
+    std::vector<display::DisplayModeRequest> modeRequests;
     GlobalSignals consideredSignals;
 
     bool refreshRateChanged = false;
     bool frameRateOverridesChanged;
 
-    const auto refreshRateConfigs = holdRefreshRateConfigs();
     {
-        std::lock_guard<std::mutex> lock(mPolicyLock);
+        std::scoped_lock lock(mPolicyLock);
 
         auto& currentState = mPolicy.*statePtr;
         if (currentState == newState) return {};
         currentState = std::forward<T>(newState);
 
-        std::tie(newMode, consideredSignals) = chooseDisplayMode();
-        frameRateOverridesChanged = updateFrameRateOverrides(consideredSignals, newMode->getFps());
+        DisplayModeChoiceMap modeChoices;
+        ftl::Optional<FrameRateMode> modeOpt;
+        {
+            std::scoped_lock lock(mDisplayLock);
+            ftl::FakeGuard guard(kMainThreadContext);
+
+            modeChoices = chooseDisplayModes();
+
+            // TODO(b/240743786): The leader display's mode must change for any DisplayModeRequest
+            // to go through. Fix this by tracking per-display Scheduler::Policy and timers.
+            std::tie(modeOpt, consideredSignals) =
+                    modeChoices.get(*mLeaderDisplayId)
+                            .transform([](const DisplayModeChoice& choice) {
+                                return std::make_pair(choice.mode, choice.consideredSignals);
+                            })
+                            .value();
+        }
 
-        if (mPolicy.mode == newMode) {
+        modeRequests.reserve(modeChoices.size());
+        for (auto& [id, choice] : modeChoices) {
+            modeRequests.emplace_back(
+                    display::DisplayModeRequest{.mode = std::move(choice.mode),
+                                                .emitEvent = !choice.consideredSignals.idle});
+        }
+
+        frameRateOverridesChanged = updateFrameRateOverrides(consideredSignals, modeOpt->fps);
+
+        if (mPolicy.modeOpt != modeOpt) {
+            mPolicy.modeOpt = modeOpt;
+            refreshRateChanged = true;
+        } else {
             // We don't need to change the display mode, but we might need to send an event
             // about a mode change, since it was suppressed if previously considered idle.
             if (!consideredSignals.idle) {
                 dispatchCachedReportedMode();
             }
-        } else {
-            mPolicy.mode = newMode;
-            refreshRateChanged = true;
         }
     }
     if (refreshRateChanged) {
-        mSchedulerCallback.requestDisplayMode(std::move(newMode),
-                                              consideredSignals.idle ? DisplayModeEvent::None
-                                                                     : DisplayModeEvent::Changed);
+        mSchedulerCallback.requestDisplayModes(std::move(modeRequests));
     }
     if (frameRateOverridesChanged) {
         mSchedulerCallback.triggerOnFrameRateOverridesChanged();
@@ -704,33 +721,112 @@ auto Scheduler::applyPolicy(S Policy::*statePtr, T&& newState) -> GlobalSignals
     return consideredSignals;
 }
 
-auto Scheduler::chooseDisplayMode() -> std::pair<DisplayModePtr, GlobalSignals> {
+auto Scheduler::chooseDisplayModes() const -> DisplayModeChoiceMap {
     ATRACE_CALL();
 
-    const auto configs = holdRefreshRateConfigs();
+    using RankedRefreshRates = RefreshRateSelector::RankedFrameRates;
+    display::PhysicalDisplayVector<RankedRefreshRates> perDisplayRanking;
+
+    // Tallies the score of a refresh rate across `displayCount` displays.
+    struct RefreshRateTally {
+        explicit RefreshRateTally(float score) : score(score) {}
+
+        float score;
+        size_t displayCount = 1;
+    };
+
+    // Chosen to exceed a typical number of refresh rates across displays.
+    constexpr size_t kStaticCapacity = 8;
+    ftl::SmallMap<Fps, RefreshRateTally, kStaticCapacity, FpsApproxEqual> refreshRateTallies;
 
-    // If Display Power is not in normal operation we want to be in performance mode. When coming
-    // back to normal mode, a grace period is given with DisplayPowerTimer.
-    if (mDisplayPowerTimer &&
-        (mPolicy.displayPowerMode != hal::PowerMode::ON ||
-         mPolicy.displayPowerTimer == TimerState::Reset)) {
-        constexpr GlobalSignals kNoSignals;
-        return {configs->getMaxRefreshRateByPolicy(), kNoSignals};
+    const auto globalSignals = makeGlobalSignals();
+
+    for (const auto& [id, selectorPtr] : mRefreshRateSelectors) {
+        auto rankedFrameRates =
+                selectorPtr->getRankedFrameRates(mPolicy.contentRequirements, globalSignals);
+
+        for (const auto& [frameRateMode, score] : rankedFrameRates.ranking) {
+            const auto [it, inserted] = refreshRateTallies.try_emplace(frameRateMode.fps, score);
+
+            if (!inserted) {
+                auto& tally = it->second;
+                tally.score += score;
+                tally.displayCount++;
+            }
+        }
+
+        perDisplayRanking.push_back(std::move(rankedFrameRates));
+    }
+
+    auto maxScoreIt = refreshRateTallies.cbegin();
+
+    // Find the first refresh rate common to all displays.
+    while (maxScoreIt != refreshRateTallies.cend() &&
+           maxScoreIt->second.displayCount != mRefreshRateSelectors.size()) {
+        ++maxScoreIt;
+    }
+
+    if (maxScoreIt != refreshRateTallies.cend()) {
+        // Choose the highest refresh rate common to all displays, if any.
+        for (auto it = maxScoreIt + 1; it != refreshRateTallies.cend(); ++it) {
+            const auto [fps, tally] = *it;
+
+            if (tally.displayCount == mRefreshRateSelectors.size() &&
+                tally.score > maxScoreIt->second.score) {
+                maxScoreIt = it;
+            }
+        }
     }
 
-    const GlobalSignals signals{.touch = mTouchTimer && mPolicy.touch == TouchState::Active,
-                                .idle = mPolicy.idleTimer == TimerState::Expired};
+    const std::optional<Fps> chosenFps = maxScoreIt != refreshRateTallies.cend()
+            ? std::make_optional(maxScoreIt->first)
+            : std::nullopt;
 
-    return configs->getBestRefreshRate(mPolicy.contentRequirements, signals);
+    DisplayModeChoiceMap modeChoices;
+
+    using fps_approx_ops::operator==;
+
+    for (auto& [ranking, signals] : perDisplayRanking) {
+        if (!chosenFps) {
+            const auto& [frameRateMode, _] = ranking.front();
+            modeChoices.try_emplace(frameRateMode.modePtr->getPhysicalDisplayId(),
+                                    DisplayModeChoice{frameRateMode, signals});
+            continue;
+        }
+
+        for (auto& [frameRateMode, _] : ranking) {
+            if (frameRateMode.fps == *chosenFps) {
+                modeChoices.try_emplace(frameRateMode.modePtr->getPhysicalDisplayId(),
+                                        DisplayModeChoice{frameRateMode, signals});
+                break;
+            }
+        }
+    }
+    return modeChoices;
 }
 
-DisplayModePtr Scheduler::getPreferredDisplayMode() {
+GlobalSignals Scheduler::makeGlobalSignals() const {
+    const bool powerOnImminent = mDisplayPowerTimer &&
+            (mPolicy.displayPowerMode != hal::PowerMode::ON ||
+             mPolicy.displayPowerTimer == TimerState::Reset);
+
+    return {.touch = mTouchTimer && mPolicy.touch == TouchState::Active,
+            .idle = mPolicy.idleTimer == TimerState::Expired,
+            .powerOnImminent = powerOnImminent};
+}
+
+ftl::Optional<FrameRateMode> Scheduler::getPreferredDisplayMode() {
     std::lock_guard<std::mutex> lock(mPolicyLock);
     // Make sure the stored mode is up to date.
-    if (mPolicy.mode) {
-        mPolicy.mode = chooseDisplayMode().first;
+    if (mPolicy.modeOpt) {
+        const auto ranking =
+                leaderSelectorPtr()
+                        ->getRankedFrameRates(mPolicy.contentRequirements, makeGlobalSignals())
+                        .ranking;
+
+        mPolicy.modeOpt = ranking.front().frameRateMode;
     }
-    return mPolicy.mode;
+    return mPolicy.modeOpt;
 }
 
 void Scheduler::onNewVsyncPeriodChangeTimeline(const hal::VsyncPeriodChangeTimeline& timeline) {
@@ -776,11 +872,4 @@ void Scheduler::setPreferredRefreshRateForUid(FrameRateOverride frameRateOverrid
     mFrameRateOverrideMappings.setPreferredRefreshRateForUid(frameRateOverride);
 }
 
-std::chrono::steady_clock::time_point Scheduler::getPreviousVsyncFrom(
-        nsecs_t expectedPresentTime) const {
-    const auto presentTime = std::chrono::nanoseconds(expectedPresentTime);
-    const auto vsyncPeriod = std::chrono::nanoseconds(mVsyncSchedule->getTracker().currentPeriod());
-    return std::chrono::steady_clock::time_point(presentTime - vsyncPeriod);
-}
-
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index a8043bf94c..cf2ffb8cdd 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -22,8 +22,8 @@
 #include <future>
 #include <memory>
 #include <mutex>
-#include <optional>
 #include <unordered_map>
+#include <utility>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -32,14 +32,21 @@
 #include <ui/GraphicTypes.h>
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
+#include <ftl/fake_guard.h>
+#include <ftl/optional.h>
 #include <scheduler/Features.h>
+#include <scheduler/Time.h>
+#include <ui/DisplayId.h>
 
+#include "Display/DisplayMap.h"
+#include "Display/DisplayModeRequest.h"
 #include "EventThread.h"
 #include "FrameRateOverrideMappings.h"
 #include "LayerHistory.h"
 #include "MessageQueue.h"
 #include "OneShotTimer.h"
-#include "RefreshRateConfigs.h"
+#include "RefreshRateSelector.h"
+#include "Utils/Dumper.h"
 #include "VsyncSchedule.h"
 
 namespace android::scheduler {
@@ -74,7 +81,6 @@ struct hash<android::scheduler::ConnectionHandle> {
 namespace android {
 
 class FenceTime;
-class InjectVSyncSource;
 
 namespace frametimeline {
 class TokenManager;
@@ -82,11 +88,11 @@ class TokenManager;
 
 namespace scheduler {
 
-struct ISchedulerCallback {
-    using DisplayModeEvent = scheduler::DisplayModeEvent;
+using GlobalSignals = RefreshRateSelector::GlobalSignals;
 
+struct ISchedulerCallback {
     virtual void setVsyncEnabled(bool) = 0;
-    virtual void requestDisplayMode(DisplayModePtr, DisplayModeEvent) = 0;
+    virtual void requestDisplayModes(std::vector<display::DisplayModeRequest>) = 0;
     virtual void kernelTimerChanged(bool expired) = 0;
     virtual void triggerOnFrameRateOverridesChanged() = 0;
 
@@ -94,27 +100,35 @@ protected:
     ~ISchedulerCallback() = default;
 };
 
-class Scheduler : impl::MessageQueue {
-    using Impl = impl::MessageQueue;
+class Scheduler : android::impl::MessageQueue {
+    using Impl = android::impl::MessageQueue;
 
 public:
     Scheduler(ICompositor&, ISchedulerCallback&, FeatureFlags);
     virtual ~Scheduler();
 
     void startTimers();
-    void setRefreshRateConfigs(std::shared_ptr<RefreshRateConfigs>)
-            EXCLUDES(mRefreshRateConfigsLock);
+
+    // TODO(b/241285191): Remove this API by promoting leader in onScreen{Acquired,Released}.
+    void setLeaderDisplay(std::optional<PhysicalDisplayId>) REQUIRES(kMainThreadContext)
+            EXCLUDES(mDisplayLock);
+
+    using RefreshRateSelectorPtr = std::shared_ptr<RefreshRateSelector>;
+
+    void registerDisplay(PhysicalDisplayId, RefreshRateSelectorPtr) REQUIRES(kMainThreadContext)
+            EXCLUDES(mDisplayLock);
+    void unregisterDisplay(PhysicalDisplayId) REQUIRES(kMainThreadContext) EXCLUDES(mDisplayLock);
 
     void run();
 
     void createVsyncSchedule(FeatureFlags);
 
     using Impl::initVsync;
-    using Impl::setInjector;
 
     using Impl::getScheduledFrameTime;
     using Impl::setDuration;
 
+    using Impl::scheduleConfigure;
     using Impl::scheduleFrame;
 
     // Schedule an asynchronous or synchronous task on the main thread.
@@ -127,17 +141,16 @@ public:
 
     ConnectionHandle createConnection(const char* connectionName, frametimeline::TokenManager*,
                                       std::chrono::nanoseconds workDuration,
-                                      std::chrono::nanoseconds readyDuration,
-                                      impl::EventThread::InterceptVSyncsCallback);
+                                      std::chrono::nanoseconds readyDuration);
 
     sp<IDisplayEventConnection> createDisplayEventConnection(
-            ConnectionHandle, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+            ConnectionHandle, EventRegistrationFlags eventRegistration = {});
 
     sp<EventThreadConnection> getEventConnection(ConnectionHandle);
 
     void onHotplugReceived(ConnectionHandle, PhysicalDisplayId, bool connected);
-    void onPrimaryDisplayModeChanged(ConnectionHandle, DisplayModePtr) EXCLUDES(mPolicyLock);
-    void onNonPrimaryDisplayModeChanged(ConnectionHandle, DisplayModePtr);
+    void onPrimaryDisplayModeChanged(ConnectionHandle, const FrameRateMode&) EXCLUDES(mPolicyLock);
+    void onNonPrimaryDisplayModeChanged(ConnectionHandle, const FrameRateMode&);
     void onScreenAcquired(ConnectionHandle);
     void onScreenReleased(ConnectionHandle);
 
@@ -148,12 +161,9 @@ public:
     void setDuration(ConnectionHandle, std::chrono::nanoseconds workDuration,
                      std::chrono::nanoseconds readyDuration);
 
-    DisplayStatInfo getDisplayStatInfo(nsecs_t now);
+    // Sets the render rate for the scheduler to run at.
+    void setRenderRate(Fps);
 
-    // Returns injector handle if injection has toggled, or an invalid handle otherwise.
-    ConnectionHandle enableVSyncInjection(bool enable);
-    // Returns false if injection is disabled.
-    bool injectVSync(nsecs_t when, nsecs_t expectedVSyncTime, nsecs_t deadlineTimestamp);
     void enableHardwareVsync();
     void disableHardwareVsync(bool makeUnavailable);
 
@@ -162,7 +172,7 @@ public:
     // Otherwise, if hardware vsync is not already enabled then this method will
     // no-op.
     void resyncToHardwareVsync(bool makeAvailable, Fps refreshRate);
-    void resync() EXCLUDES(mRefreshRateConfigsLock);
+    void resync() EXCLUDES(mDisplayLock);
     void forceNextResync() { mLastResyncTime = 0; }
 
     // Passes a vsync sample to VsyncController. periodFlushed will be true if
@@ -173,13 +183,14 @@ public:
 
     // Layers are registered on creation, and unregistered when the weak reference expires.
     void registerLayer(Layer*);
-    void recordLayerHistory(Layer*, nsecs_t presentTime, LayerHistory::LayerUpdateType updateType)
-            EXCLUDES(mRefreshRateConfigsLock);
+    void recordLayerHistory(Layer*, nsecs_t presentTime, LayerHistory::LayerUpdateType)
+            EXCLUDES(mDisplayLock);
     void setModeChangePending(bool pending);
+    void setDefaultFrameRateCompatibility(Layer*);
     void deregisterLayer(Layer*);
 
     // Detects content using layer history, and selects a matching refresh rate.
-    void chooseRefreshRateForContent() EXCLUDES(mRefreshRateConfigsLock);
+    void chooseRefreshRateForContent() EXCLUDES(mDisplayLock);
 
     void resetIdleTimer();
 
@@ -188,20 +199,18 @@ public:
 
     void setDisplayPowerMode(hal::PowerMode powerMode);
 
-    VSyncDispatch& getVsyncDispatch() { return mVsyncSchedule->getDispatch(); }
+    VsyncSchedule& getVsyncSchedule() { return *mVsyncSchedule; }
 
     // Returns true if a given vsync timestamp is considered valid vsync
     // for a given uid
-    bool isVsyncValid(nsecs_t expectedVsyncTimestamp, uid_t uid) const;
-
-    std::chrono::steady_clock::time_point getPreviousVsyncFrom(nsecs_t expectedPresentTime) const;
+    bool isVsyncValid(TimePoint expectedVsyncTimestamp, uid_t uid) const;
 
-    void dump(std::string&) const;
+    void dump(utils::Dumper&) const;
     void dump(ConnectionHandle, std::string&) const;
     void dumpVsync(std::string&) const;
 
     // Get the appropriate refresh for current conditions.
-    DisplayModePtr getPreferredDisplayMode();
+    ftl::Optional<FrameRateMode> getPreferredDisplayMode();
 
     // Notifies the scheduler about a refresh rate timeline change.
     void onNewVsyncPeriodChangeTimeline(const hal::VsyncPeriodChangeTimeline& timeline);
@@ -226,11 +235,10 @@ public:
     void setGameModeRefreshRateForUid(FrameRateOverride);
 
     // Retrieves the overridden refresh rate for a given uid.
-    std::optional<Fps> getFrameRateOverride(uid_t uid) const EXCLUDES(mRefreshRateConfigsLock);
+    std::optional<Fps> getFrameRateOverride(uid_t) const EXCLUDES(mDisplayLock);
 
-    nsecs_t getVsyncPeriodFromRefreshRateConfigs() const EXCLUDES(mRefreshRateConfigsLock) {
-        std::scoped_lock lock(mRefreshRateConfigsLock);
-        return mRefreshRateConfigs->getActiveMode()->getFps().getPeriodNsecs();
+    nsecs_t getLeaderVsyncPeriod() const EXCLUDES(mDisplayLock) {
+        return leaderSelectorPtr()->getActiveMode().fps.getPeriodNsecs();
     }
 
     // Returns the framerate of the layer with the given sequence ID
@@ -245,20 +253,30 @@ private:
     enum class TimerState { Reset, Expired };
     enum class TouchState { Inactive, Active };
 
+    // impl::MessageQueue overrides:
+    void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) override;
+
     // Create a connection on the given EventThread.
     ConnectionHandle createConnection(std::unique_ptr<EventThread>);
     sp<EventThreadConnection> createConnectionInternal(
-            EventThread*, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+            EventThread*, EventRegistrationFlags eventRegistration = {});
 
     // Update feature state machine to given state when corresponding timer resets or expires.
-    void kernelIdleTimerCallback(TimerState) EXCLUDES(mRefreshRateConfigsLock);
+    void kernelIdleTimerCallback(TimerState) EXCLUDES(mDisplayLock);
     void idleTimerCallback(TimerState);
     void touchTimerCallback(TimerState);
     void displayPowerTimerCallback(TimerState);
 
     void setVsyncPeriod(nsecs_t period);
 
-    using GlobalSignals = RefreshRateConfigs::GlobalSignals;
+    // Chooses a leader among the registered displays, unless `leaderIdOpt` is specified. The new
+    // `mLeaderDisplayId` is never `std::nullopt`.
+    void promoteLeaderDisplay(std::optional<PhysicalDisplayId> leaderIdOpt = std::nullopt)
+            REQUIRES(kMainThreadContext, mDisplayLock);
+
+    // Blocks until the leader's idle timer thread exits. `mDisplayLock` must not be locked by the
+    // caller on the main thread to avoid deadlock, since the timer thread locks it before exit.
+    void demoteLeaderDisplay() REQUIRES(kMainThreadContext) EXCLUDES(mDisplayLock, mPolicyLock);
 
     struct Policy;
 
@@ -267,22 +285,38 @@ private:
     template <typename S, typename T>
     GlobalSignals applyPolicy(S Policy::*, T&&) EXCLUDES(mPolicyLock);
 
-    // Returns the display mode that fulfills the policy, and the signals that were considered.
-    std::pair<DisplayModePtr, GlobalSignals> chooseDisplayMode() REQUIRES(mPolicyLock);
+    struct DisplayModeChoice {
+        DisplayModeChoice(FrameRateMode mode, GlobalSignals consideredSignals)
+              : mode(std::move(mode)), consideredSignals(consideredSignals) {}
 
-    bool updateFrameRateOverrides(GlobalSignals, Fps displayRefreshRate) REQUIRES(mPolicyLock);
+        FrameRateMode mode;
+        GlobalSignals consideredSignals;
+
+        bool operator==(const DisplayModeChoice& other) const {
+            return mode == other.mode && consideredSignals == other.consideredSignals;
+        }
 
-    void dispatchCachedReportedMode() REQUIRES(mPolicyLock) EXCLUDES(mRefreshRateConfigsLock);
+        // For tests.
+        friend std::ostream& operator<<(std::ostream& stream, const DisplayModeChoice& choice) {
+            return stream << '{' << to_string(*choice.mode.modePtr) << " considering "
+                          << choice.consideredSignals.toString().c_str() << '}';
+        }
+    };
 
-    impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const
-            EXCLUDES(mRefreshRateConfigsLock);
-    impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
+    using DisplayModeChoiceMap = display::PhysicalDisplayMap<PhysicalDisplayId, DisplayModeChoice>;
 
-    std::shared_ptr<RefreshRateConfigs> holdRefreshRateConfigs() const
-            EXCLUDES(mRefreshRateConfigsLock) {
-        std::scoped_lock lock(mRefreshRateConfigsLock);
-        return mRefreshRateConfigs;
-    }
+    // See mDisplayLock for thread safety.
+    DisplayModeChoiceMap chooseDisplayModes() const
+            REQUIRES(mPolicyLock, mDisplayLock, kMainThreadContext);
+
+    GlobalSignals makeGlobalSignals() const REQUIRES(mPolicyLock);
+
+    bool updateFrameRateOverrides(GlobalSignals, Fps displayRefreshRate) REQUIRES(mPolicyLock);
+
+    void dispatchCachedReportedMode() REQUIRES(mPolicyLock) EXCLUDES(mDisplayLock);
+
+    android::impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const;
+    android::impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
 
     // Stores EventThread associated with a given VSyncSource, and an initial EventThreadConnection.
     struct Connection {
@@ -294,10 +328,6 @@ private:
     mutable std::mutex mConnectionsLock;
     std::unordered_map<ConnectionHandle, Connection> mConnections GUARDED_BY(mConnectionsLock);
 
-    bool mInjectVSyncs = false;
-    InjectVSyncSource* mVSyncInjector = nullptr;
-    ConnectionHandle mInjectorConnectionHandle;
-
     mutable std::mutex mHWVsyncLock;
     bool mPrimaryHWVsyncEnabled GUARDED_BY(mHWVsyncLock) = false;
     bool mHWVsyncAvailable GUARDED_BY(mHWVsyncLock) = false;
@@ -311,14 +341,41 @@ private:
     LayerHistory mLayerHistory;
 
     // Timer used to monitor touch events.
-    std::optional<OneShotTimer> mTouchTimer;
+    ftl::Optional<OneShotTimer> mTouchTimer;
     // Timer used to monitor display power mode.
-    std::optional<OneShotTimer> mDisplayPowerTimer;
+    ftl::Optional<OneShotTimer> mDisplayPowerTimer;
 
     ISchedulerCallback& mSchedulerCallback;
 
+    // mDisplayLock may be locked while under mPolicyLock.
     mutable std::mutex mPolicyLock;
 
+    // Only required for reads outside kMainThreadContext. kMainThreadContext is the only writer, so
+    // must lock for writes but not reads. See also mPolicyLock for locking order.
+    mutable std::mutex mDisplayLock;
+
+    display::PhysicalDisplayMap<PhysicalDisplayId, RefreshRateSelectorPtr> mRefreshRateSelectors
+            GUARDED_BY(mDisplayLock) GUARDED_BY(kMainThreadContext);
+
+    ftl::Optional<PhysicalDisplayId> mLeaderDisplayId GUARDED_BY(mDisplayLock)
+            GUARDED_BY(kMainThreadContext);
+
+    RefreshRateSelectorPtr leaderSelectorPtr() const EXCLUDES(mDisplayLock) {
+        std::scoped_lock lock(mDisplayLock);
+        return leaderSelectorPtrLocked();
+    }
+
+    RefreshRateSelectorPtr leaderSelectorPtrLocked() const REQUIRES(mDisplayLock) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        const RefreshRateSelectorPtr noLeader;
+        return mLeaderDisplayId
+                .and_then([this](PhysicalDisplayId leaderId)
+                                  REQUIRES(mDisplayLock, kMainThreadContext) {
+                                      return mRefreshRateSelectors.get(leaderId);
+                                  })
+                .value_or(std::cref(noLeader));
+    }
+
     struct Policy {
         // Policy for choosing the display mode.
         LayerHistory::Summary contentRequirements;
@@ -328,20 +385,17 @@ private:
         hal::PowerMode displayPowerMode = hal::PowerMode::ON;
 
         // Chosen display mode.
-        DisplayModePtr mode;
+        ftl::Optional<FrameRateMode> modeOpt;
 
         struct ModeChangedParams {
             ConnectionHandle handle;
-            DisplayModePtr mode;
+            FrameRateMode mode;
         };
 
         // Parameters for latest dispatch of mode change event.
         std::optional<ModeChangedParams> cachedModeChangedParams;
     } mPolicy GUARDED_BY(mPolicyLock);
 
-    mutable std::mutex mRefreshRateConfigsLock;
-    std::shared_ptr<RefreshRateConfigs> mRefreshRateConfigs GUARDED_BY(mRefreshRateConfigsLock);
-
     std::mutex mVsyncTimelineLock;
     std::optional<hal::VsyncPeriodChangeTimeline> mLastVsyncPeriodChangeTimeline
             GUARDED_BY(mVsyncTimelineLock);
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
index 27f43115c1..cc9f7cfaaa 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
@@ -100,14 +100,8 @@ ScheduleResult VSyncDispatchTimerQueueEntry::schedule(VSyncDispatch::ScheduleTim
         return getExpectedCallbackTime(nextVsyncTime, timing);
     }
 
-    bool const alreadyDispatchedForVsync = mLastDispatchTime &&
-            ((*mLastDispatchTime + mMinVsyncDistance) >= nextVsyncTime &&
-             (*mLastDispatchTime - mMinVsyncDistance) <= nextVsyncTime);
-    if (alreadyDispatchedForVsync) {
-        nextVsyncTime =
-                tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + mMinVsyncDistance);
-        nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
-    }
+    nextVsyncTime = adjustVsyncIfNeeded(tracker, nextVsyncTime);
+    nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
 
     auto const nextReadyTime = nextVsyncTime - timing.readyDuration;
     mScheduleTiming = timing;
@@ -123,6 +117,25 @@ bool VSyncDispatchTimerQueueEntry::hasPendingWorkloadUpdate() const {
     return mWorkloadUpdateInfo.has_value();
 }
 
+nsecs_t VSyncDispatchTimerQueueEntry::adjustVsyncIfNeeded(VSyncTracker& tracker,
+                                                          nsecs_t nextVsyncTime) const {
+    bool const alreadyDispatchedForVsync = mLastDispatchTime &&
+            ((*mLastDispatchTime + mMinVsyncDistance) >= nextVsyncTime &&
+             (*mLastDispatchTime - mMinVsyncDistance) <= nextVsyncTime);
+    const nsecs_t currentPeriod = tracker.currentPeriod();
+    bool const nextVsyncTooClose = mLastDispatchTime &&
+            (nextVsyncTime - *mLastDispatchTime + mMinVsyncDistance) <= currentPeriod;
+    if (alreadyDispatchedForVsync) {
+        return tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + mMinVsyncDistance);
+    }
+
+    if (nextVsyncTooClose) {
+        return tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + currentPeriod);
+    }
+
+    return nextVsyncTime;
+}
+
 void VSyncDispatchTimerQueueEntry::update(VSyncTracker& tracker, nsecs_t now) {
     if (!mArmedInfo && !mWorkloadUpdateInfo) {
         return;
@@ -136,7 +149,9 @@ void VSyncDispatchTimerQueueEntry::update(VSyncTracker& tracker, nsecs_t now) {
     const auto earliestReadyBy = now + mScheduleTiming.workDuration + mScheduleTiming.readyDuration;
     const auto earliestVsync = std::max(earliestReadyBy, mScheduleTiming.earliestVsync);
 
-    const auto nextVsyncTime = tracker.nextAnticipatedVSyncTimeFrom(earliestVsync);
+    const auto nextVsyncTime =
+            adjustVsyncIfNeeded(tracker, /*nextVsyncTime*/
+                                tracker.nextAnticipatedVSyncTimeFrom(earliestVsync));
     const auto nextReadyTime = nextVsyncTime - mScheduleTiming.readyDuration;
     const auto nextWakeupTime = nextReadyTime - mScheduleTiming.workDuration;
 
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
index 4923031098..4f2f87a7d2 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
@@ -84,6 +84,8 @@ public:
     void dump(std::string& result) const;
 
 private:
+    nsecs_t adjustVsyncIfNeeded(VSyncTracker& tracker, nsecs_t nextVsyncTime) const;
+
     const std::string mName;
     const VSyncDispatch::Callback mCallback;
 
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
index 77782e9c72..ed4d25e49b 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
@@ -34,7 +34,7 @@
 #include <utils/Log.h>
 #include <utils/Trace.h>
 
-#include "RefreshRateConfigs.h"
+#include "RefreshRateSelector.h"
 #include "VSyncPredictor.h"
 
 namespace android::scheduler {
@@ -167,7 +167,9 @@ bool VSyncPredictor::addVsyncTimestamp(nsecs_t timestamp) {
         vsyncTS[i] = timestamp;
         meanTS += timestamp;
 
-        const auto ordinal = (vsyncTS[i] + currentPeriod / 2) / currentPeriod * kScalingFactor;
+        const auto ordinal = currentPeriod == 0
+                ? 0
+                : (vsyncTS[i] + currentPeriod / 2) / currentPeriod * kScalingFactor;
         ordinals[i] = ordinal;
         meanOrdinal += ordinal;
     }
@@ -251,7 +253,13 @@ nsecs_t VSyncPredictor::nextAnticipatedVSyncTimeFromLocked(nsecs_t timePoint) co
 
 nsecs_t VSyncPredictor::nextAnticipatedVSyncTimeFrom(nsecs_t timePoint) const {
     std::lock_guard lock(mMutex);
-    return nextAnticipatedVSyncTimeFromLocked(timePoint);
+
+    // TODO(b/246164114): This implementation is not efficient at all. Refactor.
+    nsecs_t nextVsync = nextAnticipatedVSyncTimeFromLocked(timePoint);
+    while (!isVSyncInPhaseLocked(nextVsync, mDivisor)) {
+        nextVsync = nextAnticipatedVSyncTimeFromLocked(nextVsync + 1);
+    }
+    return nextVsync;
 }
 
 /*
@@ -263,6 +271,13 @@ nsecs_t VSyncPredictor::nextAnticipatedVSyncTimeFrom(nsecs_t timePoint) const {
  * isVSyncInPhase(50.0, 30) = true
  */
 bool VSyncPredictor::isVSyncInPhase(nsecs_t timePoint, Fps frameRate) const {
+    std::lock_guard lock(mMutex);
+    const auto divisor =
+            RefreshRateSelector::getFrameRateDivisor(Fps::fromPeriodNsecs(mIdealPeriod), frameRate);
+    return isVSyncInPhaseLocked(timePoint, static_cast<unsigned>(divisor));
+}
+
+bool VSyncPredictor::isVSyncInPhaseLocked(nsecs_t timePoint, unsigned divisor) const {
     struct VsyncError {
         nsecs_t vsyncTimestamp;
         float error;
@@ -270,9 +285,6 @@ bool VSyncPredictor::isVSyncInPhase(nsecs_t timePoint, Fps frameRate) const {
         bool operator<(const VsyncError& other) const { return error < other.error; }
     };
 
-    std::lock_guard lock(mMutex);
-    const auto divisor =
-            RefreshRateConfigs::getFrameRateDivisor(Fps::fromPeriodNsecs(mIdealPeriod), frameRate);
     if (divisor <= 1 || timePoint == 0) {
         return true;
     }
@@ -310,6 +322,12 @@ bool VSyncPredictor::isVSyncInPhase(nsecs_t timePoint, Fps frameRate) const {
     return std::abs(minVsyncError->vsyncTimestamp - timePoint) < period / 2;
 }
 
+void VSyncPredictor::setDivisor(unsigned divisor) {
+    ALOGV("%s: %d", __func__, divisor);
+    std::lock_guard lock(mMutex);
+    mDivisor = divisor;
+}
+
 VSyncPredictor::Model VSyncPredictor::getVSyncPredictionModel() const {
     std::lock_guard lock(mMutex);
     const auto model = VSyncPredictor::getVSyncPredictionModelLocked();
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.h b/services/surfaceflinger/Scheduler/VSyncPredictor.h
index 3181102663..4a3ba67419 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.h
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.h
@@ -67,6 +67,8 @@ public:
 
     bool isVSyncInPhase(nsecs_t timePoint, Fps frameRate) const final EXCLUDES(mMutex);
 
+    void setDivisor(unsigned divisor) final EXCLUDES(mMutex);
+
     void dump(std::string& result) const final EXCLUDES(mMutex);
 
 private:
@@ -89,6 +91,8 @@ private:
 
     nsecs_t nextAnticipatedVSyncTimeFromLocked(nsecs_t timePoint) const REQUIRES(mMutex);
 
+    bool isVSyncInPhaseLocked(nsecs_t timePoint, unsigned divisor) const REQUIRES(mMutex);
+
     nsecs_t mIdealPeriod GUARDED_BY(mMutex);
     std::optional<nsecs_t> mKnownTimestamp GUARDED_BY(mMutex);
 
@@ -100,6 +104,8 @@ private:
 
     size_t mLastTimestampIndex GUARDED_BY(mMutex) = 0;
     std::vector<nsecs_t> mTimestamps GUARDED_BY(mMutex);
+
+    unsigned mDivisor GUARDED_BY(mMutex) = 1;
 };
 
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/VSyncTracker.h b/services/surfaceflinger/Scheduler/VSyncTracker.h
index 76315d2b5b..8d1629faae 100644
--- a/services/surfaceflinger/Scheduler/VSyncTracker.h
+++ b/services/surfaceflinger/Scheduler/VSyncTracker.h
@@ -79,6 +79,17 @@ public:
      */
     virtual bool isVSyncInPhase(nsecs_t timePoint, Fps frameRate) const = 0;
 
+    /*
+     * Sets a divisor on the rate (which is a multiplier of the period).
+     * The tracker will continue to track the vsync timeline and expect it
+     * to match the current period, however, nextAnticipatedVSyncTimeFrom will
+     * return vsyncs according to the divisor set. Setting a divisor is useful
+     * when a display is running at 120Hz but the render frame rate is 60Hz.
+     *
+     * \param [in] divisor   The rate divisor the tracker should operate at.
+     */
+    virtual void setDivisor(unsigned divisor) = 0;
+
     virtual void dump(std::string& result) const = 0;
 
 protected:
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.cpp b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
index be57b2acd7..138d8d65f7 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
@@ -53,14 +53,14 @@ VsyncModulator::VsyncConfigOpt VsyncModulator::setTransactionSchedule(Transactio
         case Schedule::EarlyStart:
             if (token) {
                 mEarlyWakeupRequests.emplace(token);
-                token->linkToDeath(this);
+                token->linkToDeath(sp<DeathRecipient>::fromExisting(this));
             } else {
                 ALOGW("%s: EarlyStart requested without a valid token", __func__);
             }
             break;
         case Schedule::EarlyEnd: {
             if (token && mEarlyWakeupRequests.erase(token) > 0) {
-                token->unlinkToDeath(this);
+                token->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
             } else {
                 ALOGW("%s: Unexpected EarlyEnd", __func__);
             }
diff --git a/services/surfaceflinger/Scheduler/VsyncSchedule.cpp b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
index 3a918a1660..95bc31f239 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
@@ -68,6 +68,14 @@ VsyncSchedule::VsyncSchedule(TrackerPtr tracker, DispatchPtr dispatch, Controlle
 VsyncSchedule::VsyncSchedule(VsyncSchedule&&) = default;
 VsyncSchedule::~VsyncSchedule() = default;
 
+Period VsyncSchedule::period() const {
+    return Period::fromNs(mTracker->currentPeriod());
+}
+
+TimePoint VsyncSchedule::vsyncDeadlineAfter(TimePoint timePoint) const {
+    return TimePoint::fromNs(mTracker->nextAnticipatedVSyncTimeFrom(timePoint.ns()));
+}
+
 void VsyncSchedule::dump(std::string& out) const {
     out.append("VsyncController:\n");
     mController->dump(out);
diff --git a/services/surfaceflinger/Scheduler/VsyncSchedule.h b/services/surfaceflinger/Scheduler/VsyncSchedule.h
index 0d9b114875..8c17409b02 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.h
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.h
@@ -20,6 +20,7 @@
 #include <string>
 
 #include <scheduler/Features.h>
+#include <scheduler/Time.h>
 
 namespace android::scheduler {
 
@@ -38,6 +39,9 @@ public:
     VsyncSchedule(VsyncSchedule&&);
     ~VsyncSchedule();
 
+    Period period() const;
+    TimePoint vsyncDeadlineAfter(TimePoint) const;
+
     // TODO(b/185535769): Hide behind API.
     const VsyncTracker& getTracker() const { return *mTracker; }
     VsyncTracker& getTracker() { return *mTracker; }
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/Fps.h b/services/surfaceflinger/Scheduler/include/scheduler/Fps.h
index bd4f40989d..5522ff80c8 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/Fps.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/Fps.h
@@ -66,6 +66,18 @@ struct FpsRange {
     Fps max = Fps::fromValue(std::numeric_limits<float>::max());
 
     bool includes(Fps) const;
+    bool includes(FpsRange) const;
+};
+
+struct FpsRanges {
+    // The range of refresh rates that refers to the display mode setting.
+    FpsRange physical;
+
+    // the range of frame rates that refers to the render rate, which is
+    // the rate that frames are swapped.
+    FpsRange render;
+
+    bool valid() const;
 };
 
 static_assert(std::is_trivially_copyable_v<Fps>);
@@ -127,13 +139,39 @@ inline bool operator!=(FpsRange lhs, FpsRange rhs) {
     return !(lhs == rhs);
 }
 
+inline bool operator==(const FpsRanges& lhs, const FpsRanges& rhs) {
+    return lhs.physical == rhs.physical && lhs.render == rhs.render;
+}
+
+inline bool operator!=(const FpsRanges& lhs, const FpsRanges& rhs) {
+    return !(lhs == rhs);
+}
+
+inline unsigned operator/(Fps lhs, Fps rhs) {
+    return static_cast<unsigned>(std::ceil(lhs.getValue() / rhs.getValue()));
+}
+
 } // namespace fps_approx_ops
 
+constexpr Fps operator/(Fps fps, unsigned divisor) {
+    return Fps::fromPeriodNsecs(fps.getPeriodNsecs() * static_cast<nsecs_t>(divisor));
+}
+
 inline bool FpsRange::includes(Fps fps) const {
     using fps_approx_ops::operator<=;
     return min <= fps && fps <= max;
 }
 
+inline bool FpsRange::includes(FpsRange range) const {
+    using namespace fps_approx_ops;
+    return min <= range.min && max >= range.max;
+}
+
+inline bool FpsRanges::valid() const {
+    using fps_approx_ops::operator>=;
+    return physical.max >= render.max;
+}
+
 struct FpsApproxEqual {
     bool operator()(Fps lhs, Fps rhs) const { return isApproxEqual(lhs, rhs); }
 };
@@ -151,4 +189,10 @@ inline std::string to_string(FpsRange range) {
     return base::StringPrintf("[%s, %s]", to_string(min).c_str(), to_string(max).c_str());
 }
 
+inline std::string to_string(FpsRanges ranges) {
+    const auto& [physical, render] = ranges;
+    return base::StringPrintf("{physical=%s, render=%s}", to_string(physical).c_str(),
+                              to_string(render).c_str());
+}
+
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/FrameRateMode.h b/services/surfaceflinger/Scheduler/include/scheduler/FrameRateMode.h
new file mode 100644
index 0000000000..db38ebe658
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/FrameRateMode.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <ftl/non_null.h>
+#include <scheduler/Fps.h>
+
+// TODO(b/241285191): Pull this to <ui/DisplayMode.h>
+#include "DisplayHardware/DisplayMode.h"
+
+namespace android::scheduler {
+
+struct FrameRateMode {
+    Fps fps; // The render frame rate, which is a divisor of modePtr->getFps().
+    ftl::NonNull<DisplayModePtr> modePtr;
+
+    bool operator==(const FrameRateMode& other) const {
+        return isApproxEqual(fps, other.fps) && modePtr == other.modePtr;
+    }
+
+    bool operator!=(const FrameRateMode& other) const { return !(*this == other); }
+};
+
+inline std::string to_string(const FrameRateMode& mode) {
+    return to_string(mode.fps) + " (" + to_string(mode.modePtr->getFps()) + ")";
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
new file mode 100644
index 0000000000..23ae83fc4b
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+#include <queue>
+#include <utility>
+
+#include <scheduler/Time.h>
+
+namespace android {
+
+class FenceTime;
+
+namespace scheduler {
+
+// Computes composite-to-present latency by tracking recently composited frames pending to present.
+class PresentLatencyTracker {
+public:
+    // For tests.
+    static constexpr size_t kMaxPendingFrames = 4;
+
+    // Returns the present latency of the latest frame.
+    Duration trackPendingFrame(TimePoint compositeTime,
+                               std::shared_ptr<FenceTime> presentFenceTime);
+
+private:
+    struct PendingFrame {
+        PendingFrame(TimePoint compositeTime, std::shared_ptr<FenceTime> presentFenceTime)
+              : compositeTime(compositeTime), presentFenceTime(std::move(presentFenceTime)) {}
+
+        const TimePoint compositeTime;
+        const std::shared_ptr<FenceTime> presentFenceTime;
+    };
+
+    std::queue<PendingFrame> mPendingFrames;
+};
+
+} // namespace scheduler
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/Time.h b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
new file mode 100644
index 0000000000..bd4e3c27b3
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <chrono>
+#include <string>
+
+#include <android-base/stringprintf.h>
+#include <utils/Timers.h>
+
+namespace android {
+namespace scheduler {
+
+// TODO(b/185535769): Pull Clock.h to libscheduler to reuse this.
+using SchedulerClock = std::chrono::high_resolution_clock;
+static_assert(SchedulerClock::is_steady);
+
+} // namespace scheduler
+
+struct Duration;
+
+struct TimePoint : scheduler::SchedulerClock::time_point {
+    constexpr TimePoint() = default;
+    explicit constexpr TimePoint(const Duration&);
+
+    // Implicit conversion from std::chrono counterpart.
+    constexpr TimePoint(scheduler::SchedulerClock::time_point p)
+          : scheduler::SchedulerClock::time_point(p) {}
+
+    static constexpr TimePoint fromNs(nsecs_t);
+
+    static TimePoint now() { return scheduler::SchedulerClock::now(); };
+
+    nsecs_t ns() const;
+};
+
+struct Duration : TimePoint::duration {
+    // Implicit conversion from std::chrono counterpart.
+    template <typename R, typename P>
+    constexpr Duration(std::chrono::duration<R, P> d) : TimePoint::duration(d) {}
+
+    static constexpr Duration fromNs(nsecs_t ns) { return {std::chrono::nanoseconds(ns)}; }
+
+    nsecs_t ns() const { return std::chrono::nanoseconds(*this).count(); }
+};
+
+using Period = Duration;
+
+constexpr TimePoint::TimePoint(const Duration& d) : scheduler::SchedulerClock::time_point(d) {}
+
+constexpr TimePoint TimePoint::fromNs(nsecs_t ns) {
+    return TimePoint(Duration::fromNs(ns));
+}
+
+inline nsecs_t TimePoint::ns() const {
+    return Duration(time_since_epoch()).ns();
+}
+
+// Shorthand to convert the tick count of a Duration to Period and Rep. For example:
+//
+//     const auto i = ticks<std::ratio<1>>(d);      // Integer seconds.
+//     const auto f = ticks<std::milli, float>(d);  // Floating-point milliseconds.
+//
+template <typename Period, typename Rep = Duration::rep>
+constexpr Rep ticks(Duration d) {
+    using D = std::chrono::duration<Rep, Period>;
+    return std::chrono::duration_cast<D>(d).count();
+}
+
+inline std::string to_string(Duration d) {
+    return base::StringPrintf("%.3f ms", ticks<std::milli, float>(d));
+}
+
+} // namespace android
diff --git a/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl b/services/surfaceflinger/Scheduler/include/scheduler/VsyncId.h
index e30e9072fc..c64a3cdc6f 100644
--- a/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl
+++ b/services/surfaceflinger/Scheduler/include/scheduler/VsyncId.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,19 +14,21 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+#pragma once
 
-/**
- * This event is designed for notification to native code listener about
- * any changes on a package including update, deletion and etc.
- *
- * @hide
- */
-parcelable PackageChangeEvent {
-  @utf8InCpp String packageName;
-  long version;
-  long lastUpdateTimeMillis;
-  boolean newInstalled;
-  boolean dataRemoved;
-  boolean isDeleted;
+#include <cstdint>
+
+namespace android {
+
+// TODO(b/185536303): Import StrongTyping.h into FTL so it can be used here.
+
+// Sequential frame identifier, also known as FrameTimeline token.
+struct VsyncId {
+    int64_t value = -1;
+};
+
+inline bool operator==(VsyncId lhs, VsyncId rhs) {
+    return lhs.value == rhs.value;
 }
+
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
new file mode 100644
index 0000000000..8f3e0818f8
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <scheduler/PresentLatencyTracker.h>
+
+#include <cutils/compiler.h>
+#include <log/log.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+
+Duration PresentLatencyTracker::trackPendingFrame(TimePoint compositeTime,
+                                                  std::shared_ptr<FenceTime> presentFenceTime) {
+    Duration presentLatency = Duration::zero();
+    while (!mPendingFrames.empty()) {
+        const auto& pendingFrame = mPendingFrames.front();
+        const auto presentTime =
+                TimePoint::fromNs(pendingFrame.presentFenceTime->getCachedSignalTime());
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_PENDING)) {
+            break;
+        }
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_INVALID)) {
+            ALOGE("%s: Invalid present fence", __func__);
+        } else {
+            presentLatency = presentTime - pendingFrame.compositeTime;
+        }
+
+        mPendingFrames.pop();
+    }
+
+    mPendingFrames.emplace(compositeTime, std::move(presentFenceTime));
+
+    if (CC_UNLIKELY(mPendingFrames.size() > kMaxPendingFrames)) {
+        ALOGE("%s: Too many pending frames", __func__);
+        mPendingFrames.pop();
+    }
+
+    return presentLatency;
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
new file mode 100644
index 0000000000..8952ca99ab
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <array>
+
+#include <scheduler/PresentLatencyTracker.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+namespace {
+
+using FencePair = std::pair<sp<Fence>, std::shared_ptr<FenceTime>>;
+
+FencePair makePendingFence(FenceToFenceTimeMap& fenceMap) {
+    const auto fence = sp<Fence>::make();
+    return {fence, fenceMap.createFenceTimeForTest(fence)};
+}
+
+} // namespace
+
+TEST(PresentLatencyTrackerTest, skipsInvalidFences) {
+    PresentLatencyTracker tracker;
+
+    const TimePoint kCompositeTime = TimePoint::fromNs(999);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+
+    FenceToFenceTimeMap fenceMap;
+    const auto [fence, fenceTime] = makePendingFence(fenceMap);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+
+    fenceTime->signalForTest(9999);
+
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE),
+              Duration::fromNs(9000));
+}
+
+TEST(PresentLatencyTrackerTest, tracksPendingFrames) {
+    PresentLatencyTracker tracker;
+
+    FenceToFenceTimeMap fenceMap;
+    std::array<FencePair, PresentLatencyTracker::kMaxPendingFrames> fences;
+    std::generate(fences.begin(), fences.end(), [&fenceMap] { return makePendingFence(fenceMap); });
+
+    // The present latency is 0 if all fences are pending.
+    const TimePoint kCompositeTime = TimePoint::fromNs(1234);
+    for (const auto& [fence, fenceTime] : fences) {
+        EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+    }
+
+    // If multiple frames have been presented...
+    constexpr size_t kPresentCount = fences.size() / 2;
+    for (size_t i = 0; i < kPresentCount; i++) {
+        fences[i].second->signalForTest(kCompositeTime.ns() + static_cast<nsecs_t>(i));
+    }
+
+    const auto fence = makePendingFence(fenceMap);
+
+    // ...then the present latency is measured using the latest frame.
+    constexpr Duration kPresentLatency = Duration::fromNs(static_cast<nsecs_t>(kPresentCount) - 1);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fence.second), kPresentLatency);
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/ScreenCaptureOutput.cpp b/services/surfaceflinger/ScreenCaptureOutput.cpp
new file mode 100644
index 0000000000..37b3218138
--- /dev/null
+++ b/services/surfaceflinger/ScreenCaptureOutput.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ScreenCaptureOutput.h"
+#include "ScreenCaptureRenderSurface.h"
+
+#include <compositionengine/CompositionEngine.h>
+#include <compositionengine/DisplayColorProfileCreationArgs.h>
+#include <compositionengine/impl/DisplayColorProfile.h>
+#include <ui/Rotation.h>
+
+namespace android {
+
+std::shared_ptr<ScreenCaptureOutput> createScreenCaptureOutput(ScreenCaptureOutputArgs args) {
+    std::shared_ptr<ScreenCaptureOutput> output = compositionengine::impl::createOutputTemplated<
+            ScreenCaptureOutput, compositionengine::CompositionEngine, const RenderArea&,
+            std::unordered_set<compositionengine::LayerFE*>,
+            const compositionengine::Output::ColorProfile&, bool>(args.compositionEngine,
+                                                                  args.renderArea,
+                                                                  std::move(
+                                                                          args.filterForScreenshot),
+                                                                  args.colorProfile,
+                                                                  args.regionSampling);
+    output->editState().isSecure = args.renderArea.isSecure();
+    output->setCompositionEnabled(true);
+    output->setLayerFilter({args.layerStack});
+    output->setRenderSurface(std::make_unique<ScreenCaptureRenderSurface>(std::move(args.buffer)));
+    output->setDisplayBrightness(args.sdrWhitePointNits, args.displayBrightnessNits);
+
+    output->setDisplayColorProfile(std::make_unique<compositionengine::impl::DisplayColorProfile>(
+            compositionengine::DisplayColorProfileCreationArgsBuilder()
+                    .setHasWideColorGamut(true)
+                    .Build()));
+
+    ui::Rotation orientation = ui::Transform::toRotation(args.renderArea.getRotationFlags());
+    Rect orientedDisplaySpaceRect{args.renderArea.getReqWidth(), args.renderArea.getReqHeight()};
+    output->setProjection(orientation, args.renderArea.getLayerStackSpaceRect(),
+                          orientedDisplaySpaceRect);
+
+    Rect sourceCrop = args.renderArea.getSourceCrop();
+    output->setDisplaySize({sourceCrop.getWidth(), sourceCrop.getHeight()});
+
+    return output;
+}
+
+ScreenCaptureOutput::ScreenCaptureOutput(
+        const RenderArea& renderArea,
+        std::unordered_set<compositionengine::LayerFE*> filterForScreenshot,
+        const compositionengine::Output::ColorProfile& colorProfile, bool regionSampling)
+      : mRenderArea(renderArea),
+        mFilterForScreenshot(std::move(filterForScreenshot)),
+        mColorProfile(colorProfile),
+        mRegionSampling(regionSampling) {}
+
+void ScreenCaptureOutput::updateColorProfile(const compositionengine::CompositionRefreshArgs&) {
+    auto& outputState = editState();
+    outputState.dataspace = mColorProfile.dataspace;
+    outputState.renderIntent = mColorProfile.renderIntent;
+}
+
+renderengine::DisplaySettings ScreenCaptureOutput::generateClientCompositionDisplaySettings()
+        const {
+    auto clientCompositionDisplay =
+            compositionengine::impl::Output::generateClientCompositionDisplaySettings();
+    clientCompositionDisplay.clip = mRenderArea.getSourceCrop();
+    clientCompositionDisplay.targetLuminanceNits = -1;
+    return clientCompositionDisplay;
+}
+
+std::vector<compositionengine::LayerFE::LayerSettings>
+ScreenCaptureOutput::generateClientCompositionRequests(
+        bool supportsProtectedContent, ui::Dataspace outputDataspace,
+        std::vector<compositionengine::LayerFE*>& outLayerFEs) {
+    auto clientCompositionLayers = compositionengine::impl::Output::
+            generateClientCompositionRequests(supportsProtectedContent, outputDataspace,
+                                              outLayerFEs);
+
+    if (mRegionSampling) {
+        for (auto& layer : clientCompositionLayers) {
+            layer.backgroundBlurRadius = 0;
+            layer.blurRegions.clear();
+        }
+    }
+
+    Rect sourceCrop = mRenderArea.getSourceCrop();
+    compositionengine::LayerFE::LayerSettings fillLayer;
+    fillLayer.source.buffer.buffer = nullptr;
+    fillLayer.source.solidColor = half3(0.0f, 0.0f, 0.0f);
+    fillLayer.geometry.boundaries =
+            FloatRect(static_cast<float>(sourceCrop.left), static_cast<float>(sourceCrop.top),
+                      static_cast<float>(sourceCrop.right), static_cast<float>(sourceCrop.bottom));
+    fillLayer.alpha = half(RenderArea::getCaptureFillValue(mRenderArea.getCaptureFill()));
+    clientCompositionLayers.insert(clientCompositionLayers.begin(), fillLayer);
+
+    return clientCompositionLayers;
+}
+
+bool ScreenCaptureOutput::layerNeedsFiltering(const compositionengine::OutputLayer* layer) const {
+    return mRenderArea.needsFiltering() ||
+            mFilterForScreenshot.find(&layer->getLayerFE()) != mFilterForScreenshot.end();
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/ScreenCaptureOutput.h b/services/surfaceflinger/ScreenCaptureOutput.h
new file mode 100644
index 0000000000..5dffc1d530
--- /dev/null
+++ b/services/surfaceflinger/ScreenCaptureOutput.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/RenderSurface.h>
+#include <compositionengine/impl/Output.h>
+#include <ui/Rect.h>
+
+#include "RenderArea.h"
+
+namespace android {
+
+struct ScreenCaptureOutputArgs {
+    const compositionengine::CompositionEngine& compositionEngine;
+    const compositionengine::Output::ColorProfile& colorProfile;
+    const RenderArea& renderArea;
+    ui::LayerStack layerStack;
+    std::shared_ptr<renderengine::ExternalTexture> buffer;
+    float sdrWhitePointNits;
+    float displayBrightnessNits;
+    std::unordered_set<compositionengine::LayerFE*> filterForScreenshot;
+    bool regionSampling;
+};
+
+// ScreenCaptureOutput is used to compose a set of layers into a preallocated buffer.
+//
+// SurfaceFlinger passes instances of ScreenCaptureOutput to CompositionEngine in calls to
+// SurfaceFlinger::captureLayers and SurfaceFlinger::captureDisplay.
+class ScreenCaptureOutput : public compositionengine::impl::Output {
+public:
+    ScreenCaptureOutput(const RenderArea& renderArea,
+                        std::unordered_set<compositionengine::LayerFE*> filterForScreenshot,
+                        const compositionengine::Output::ColorProfile& colorProfile,
+                        bool regionSampling);
+
+    void updateColorProfile(const compositionengine::CompositionRefreshArgs&) override;
+
+    std::vector<compositionengine::LayerFE::LayerSettings> generateClientCompositionRequests(
+            bool supportsProtectedContent, ui::Dataspace outputDataspace,
+            std::vector<compositionengine::LayerFE*>& outLayerFEs) override;
+
+    bool layerNeedsFiltering(const compositionengine::OutputLayer*) const override;
+
+protected:
+    bool getSkipColorTransform() const override { return false; }
+    renderengine::DisplaySettings generateClientCompositionDisplaySettings() const override;
+
+private:
+    const RenderArea& mRenderArea;
+    const std::unordered_set<compositionengine::LayerFE*> mFilterForScreenshot;
+    const compositionengine::Output::ColorProfile& mColorProfile;
+    const bool mRegionSampling;
+};
+
+std::shared_ptr<ScreenCaptureOutput> createScreenCaptureOutput(ScreenCaptureOutputArgs);
+
+} // namespace android
diff --git a/services/surfaceflinger/ScreenCaptureRenderSurface.h b/services/surfaceflinger/ScreenCaptureRenderSurface.h
new file mode 100644
index 0000000000..20973003d5
--- /dev/null
+++ b/services/surfaceflinger/ScreenCaptureRenderSurface.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <compositionengine/RenderSurface.h>
+#include <renderengine/impl/ExternalTexture.h>
+#include <ui/Fence.h>
+#include <ui/Size.h>
+
+namespace android {
+
+// ScreenCaptureRenderSurface is a RenderSurface that returns a preallocated buffer used by
+// ScreenCaptureOutput.
+class ScreenCaptureRenderSurface : public compositionengine::RenderSurface {
+public:
+    ScreenCaptureRenderSurface(std::shared_ptr<renderengine::ExternalTexture> buffer)
+          : mBuffer(std::move(buffer)){};
+
+    std::shared_ptr<renderengine::ExternalTexture> dequeueBuffer(
+            base::unique_fd* /* bufferFence */) override {
+        return mBuffer;
+    }
+
+    void queueBuffer(base::unique_fd readyFence) override {
+        mRenderFence = sp<Fence>::make(readyFence.release());
+    }
+
+    const sp<Fence>& getClientTargetAcquireFence() const override { return mRenderFence; }
+
+    bool supportsCompositionStrategyPrediction() const override { return false; }
+
+    bool isValid() const override { return true; }
+
+    void initialize() override {}
+
+    const ui::Size& getSize() const override { return mSize; }
+
+    bool isProtected() const override { return mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED; }
+
+    void setDisplaySize(const ui::Size&) override {}
+
+    void setBufferDataspace(ui::Dataspace) override {}
+
+    void setBufferPixelFormat(ui::PixelFormat) override {}
+
+    void setProtected(bool /* useProtected */) override {}
+
+    status_t beginFrame(bool /* mustRecompose */) override { return OK; }
+
+    void prepareFrame(bool /* usesClientComposition */, bool /* usesDeviceComposition */) override {
+    }
+
+    void onPresentDisplayCompleted() override {}
+
+    void dump(std::string& /* result */) const override {}
+
+private:
+    std::shared_ptr<renderengine::ExternalTexture> mBuffer;
+
+    sp<Fence> mRenderFence = Fence::NO_FENCE;
+
+    ui::Size mSize;
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 79ed7eb292..cdd604495e 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -30,6 +30,7 @@
 #include <android-base/strings.h>
 #include <android/configuration.h>
 #include <android/gui/IDisplayEventConnection.h>
+#include <android/gui/StaticDisplayInfo.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/types.h>
@@ -43,18 +44,23 @@
 #include <compositionengine/CompositionRefreshArgs.h>
 #include <compositionengine/Display.h>
 #include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/DisplayColorProfileCreationArgs.h>
 #include <compositionengine/DisplayCreationArgs.h>
 #include <compositionengine/LayerFECompositionState.h>
 #include <compositionengine/OutputLayer.h>
 #include <compositionengine/RenderSurface.h>
+#include <compositionengine/impl/DisplayColorProfile.h>
 #include <compositionengine/impl/OutputCompositionState.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <configstore/Utils.h>
 #include <cutils/compiler.h>
 #include <cutils/properties.h>
+#include <ftl/algorithm.h>
+#include <ftl/concat.h>
 #include <ftl/fake_guard.h>
 #include <ftl/future.h>
-#include <ftl/small_map.h>
+#include <ftl/unit.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferQueue.h>
 #include <gui/DebugEGLImageTracker.h>
 #include <gui/IProducerListener.h>
@@ -81,6 +87,7 @@
 #include <ui/DisplayState.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <ui/GraphicBufferAllocator.h>
+#include <ui/LayerStack.h>
 #include <ui/PixelFormat.h>
 #include <ui/StaticDisplayInfo.h>
 #include <utils/StopWatch.h>
@@ -100,15 +107,14 @@
 #include <optional>
 #include <type_traits>
 #include <unordered_map>
+#include <vector>
 
 #include <ui/DisplayIdentification.h>
 #include "BackgroundExecutor.h"
-#include "BufferLayer.h"
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
 #include "Client.h"
+#include "ClientCache.h"
 #include "Colorizer.h"
-#include "ContainerLayer.h"
+#include "Display/DisplayMap.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/ComposerHal.h"
 #include "DisplayHardware/FramebufferSurface.h"
@@ -117,33 +123,31 @@
 #include "DisplayHardware/PowerAdvisor.h"
 #include "DisplayHardware/VirtualDisplaySurface.h"
 #include "DisplayRenderArea.h"
-#include "EffectLayer.h"
 #include "Effects/Daltonizer.h"
 #include "FlagManager.h"
 #include "FpsReporter.h"
 #include "FrameTimeline/FrameTimeline.h"
 #include "FrameTracer/FrameTracer.h"
+#include "FrontEnd/LayerCreationArgs.h"
+#include "FrontEnd/LayerHandle.h"
 #include "HdrLayerInfoReporter.h"
 #include "Layer.h"
 #include "LayerProtoHelper.h"
 #include "LayerRenderArea.h"
 #include "LayerVector.h"
-#include "MonitoredProducer.h"
 #include "MutexUtils.h"
 #include "NativeWindowSurface.h"
-#include "RefreshRateOverlay.h"
 #include "RegionSamplingThread.h"
-#include "Scheduler/DispSyncSource.h"
 #include "Scheduler/EventThread.h"
 #include "Scheduler/LayerHistory.h"
 #include "Scheduler/Scheduler.h"
 #include "Scheduler/VsyncConfiguration.h"
-#include "Scheduler/VsyncController.h"
+#include "ScreenCaptureOutput.h"
 #include "StartPropertySetThread.h"
 #include "SurfaceFlingerProperties.h"
-#include "SurfaceInterceptor.h"
 #include "TimeStats/TimeStats.h"
 #include "TunnelModeEnabledReporter.h"
+#include "Utils/Dumper.h"
 #include "WindowInfosListenerInvoker.h"
 
 #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
@@ -154,9 +158,15 @@
 #define NO_THREAD_SAFETY_ANALYSIS \
     _Pragma("GCC error \"Prefer <ftl/fake_guard.h> or MutexUtils.h helpers.\"")
 
+// To enable layer borders in the system, change the below flag to true.
+#undef DOES_CONTAIN_BORDER
+#define DOES_CONTAIN_BORDER false
+
 namespace android {
 
+using namespace std::chrono_literals;
 using namespace std::string_literals;
+using namespace std::string_view_literals;
 
 using namespace hardware::configstore;
 using namespace hardware::configstore::V1_0;
@@ -169,47 +179,28 @@ using CompositionStrategyPredictionState = android::compositionengine::impl::
         OutputCompositionState::CompositionStrategyPredictionState;
 
 using base::StringAppendF;
+using display::PhysicalDisplay;
+using display::PhysicalDisplays;
+using frontend::TransactionHandler;
 using gui::DisplayInfo;
+using gui::GameMode;
 using gui::IDisplayEventConnection;
 using gui::IWindowInfosListener;
+using gui::LayerMetadata;
 using gui::WindowInfo;
-using ui::ColorMode;
+using gui::aidl_utils::binderStatusFromStatusT;
 using ui::Dataspace;
 using ui::DisplayPrimaries;
 using ui::RenderIntent;
 
-using KernelIdleTimerController = scheduler::RefreshRateConfigs::KernelIdleTimerController;
+using KernelIdleTimerController = scheduler::RefreshRateSelector::KernelIdleTimerController;
 
 namespace hal = android::hardware::graphics::composer::hal;
 
 namespace {
 
-#pragma clang diagnostic push
-#pragma clang diagnostic error "-Wswitch-enum"
-
-bool isWideColorMode(const ColorMode colorMode) {
-    switch (colorMode) {
-        case ColorMode::DISPLAY_P3:
-        case ColorMode::ADOBE_RGB:
-        case ColorMode::DCI_P3:
-        case ColorMode::BT2020:
-        case ColorMode::DISPLAY_BT2020:
-        case ColorMode::BT2100_PQ:
-        case ColorMode::BT2100_HLG:
-            return true;
-        case ColorMode::NATIVE:
-        case ColorMode::STANDARD_BT601_625:
-        case ColorMode::STANDARD_BT601_625_UNADJUSTED:
-        case ColorMode::STANDARD_BT601_525:
-        case ColorMode::STANDARD_BT601_525_UNADJUSTED:
-        case ColorMode::STANDARD_BT709:
-        case ColorMode::SRGB:
-            return false;
-    }
-    return false;
-}
-
-#pragma clang diagnostic pop
+static constexpr int FOUR_K_WIDTH = 3840;
+static constexpr int FOUR_K_HEIGHT = 2160;
 
 // TODO(b/141333600): Consolidate with DisplayMode::Builder::getDefaultDensity.
 constexpr float FALLBACK_DENSITY = ACONFIGURATION_DENSITY_TV;
@@ -258,6 +249,44 @@ bool getKernelIdleTimerSyspropConfig(DisplayId displayId) {
     return displaySupportKernelIdleTimer || sysprop::support_kernel_idle_timer(false);
 }
 
+bool isAbove4k30(const ui::DisplayMode& outMode) {
+    using fps_approx_ops::operator>;
+    Fps refreshRate = Fps::fromValue(outMode.refreshRate);
+    return outMode.resolution.getWidth() >= FOUR_K_WIDTH &&
+            outMode.resolution.getHeight() >= FOUR_K_HEIGHT && refreshRate > 30_Hz;
+}
+
+void excludeDolbyVisionIf4k30Present(const std::vector<ui::Hdr>& displayHdrTypes,
+                                     ui::DisplayMode& outMode) {
+    if (isAbove4k30(outMode) &&
+        std::any_of(displayHdrTypes.begin(), displayHdrTypes.end(),
+                    [](ui::Hdr type) { return type == ui::Hdr::DOLBY_VISION_4K30; })) {
+        for (ui::Hdr type : displayHdrTypes) {
+            if (type != ui::Hdr::DOLBY_VISION_4K30 && type != ui::Hdr::DOLBY_VISION) {
+                outMode.supportedHdrTypes.push_back(type);
+            }
+        }
+    } else {
+        for (ui::Hdr type : displayHdrTypes) {
+            if (type != ui::Hdr::DOLBY_VISION_4K30) {
+                outMode.supportedHdrTypes.push_back(type);
+            }
+        }
+    }
+}
+
+HdrCapabilities filterOut4k30(const HdrCapabilities& displayHdrCapabilities) {
+    std::vector<ui::Hdr> hdrTypes;
+    for (ui::Hdr type : displayHdrCapabilities.getSupportedHdrTypes()) {
+        if (type != ui::Hdr::DOLBY_VISION_4K30) {
+            hdrTypes.push_back(type);
+        }
+    }
+    return {hdrTypes, displayHdrCapabilities.getDesiredMaxLuminance(),
+            displayHdrCapabilities.getDesiredMaxAverageLuminance(),
+            displayHdrCapabilities.getDesiredMinLuminance()};
+}
+
 }  // namespace anonymous
 
 // ---------------------------------------------------------------------------
@@ -273,6 +302,8 @@ const String16 sInternalSystemWindow("android.permission.INTERNAL_SYSTEM_WINDOW"
 
 const char* KERNEL_IDLE_TIMER_PROP = "graphics.display.kernel_idle_timer.enabled";
 
+static const int MAX_TRACING_MEMORY = 1024 * 1024 * 1024; // 1GB
+
 // ---------------------------------------------------------------------------
 int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
 bool SurfaceFlinger::useHwcForRgbToYuv;
@@ -280,7 +311,6 @@ bool SurfaceFlinger::hasSyncFramework;
 int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
 uint32_t SurfaceFlinger::maxGraphicsWidth;
 uint32_t SurfaceFlinger::maxGraphicsHeight;
-bool SurfaceFlinger::hasWideColorDisplay;
 bool SurfaceFlinger::useContextPriority;
 Dataspace SurfaceFlinger::defaultCompositionDataspace = Dataspace::V0_SRGB;
 ui::PixelFormat SurfaceFlinger::defaultCompositionPixelFormat = ui::PixelFormat::RGBA_8888;
@@ -321,18 +351,17 @@ bool callingThreadHasInternalSystemWindowAccess() {
 SurfaceFlinger::SurfaceFlinger(Factory& factory, SkipInitializationTag)
       : mFactory(factory),
         mPid(getpid()),
-        mInterceptor(mFactory.createSurfaceInterceptor()),
         mTimeStats(std::make_shared<impl::TimeStats>()),
         mFrameTracer(mFactory.createFrameTracer()),
         mFrameTimeline(mFactory.createFrameTimeline(mTimeStats, mPid)),
         mCompositionEngine(mFactory.createCompositionEngine()),
         mHwcServiceName(base::GetProperty("debug.sf.hwc_service_name"s, "default"s)),
-        mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),
+        mTunnelModeEnabledReporter(sp<TunnelModeEnabledReporter>::make()),
         mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),
         mInternalDisplayDensity(
                 getDensityFromProperty("ro.sf.lcd_density", !mEmulatedDisplayDensity)),
         mPowerAdvisor(std::make_unique<Hwc2::impl::PowerAdvisor>(*this)),
-        mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make(*this)) {
+        mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make()) {
     ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());
 }
 
@@ -350,11 +379,11 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
     maxGraphicsWidth = std::max(max_graphics_width(0), 0);
     maxGraphicsHeight = std::max(max_graphics_height(0), 0);
 
-    hasWideColorDisplay = has_wide_color_display(false);
+    mSupportsWideColor = has_wide_color_display(false);
     mDefaultCompositionDataspace =
             static_cast<ui::Dataspace>(default_composition_dataspace(Dataspace::V0_SRGB));
     mWideColorGamutCompositionDataspace = static_cast<ui::Dataspace>(wcg_composition_dataspace(
-            hasWideColorDisplay ? Dataspace::DISPLAY_P3 : Dataspace::V0_SRGB));
+            mSupportsWideColor ? Dataspace::DISPLAY_P3 : Dataspace::V0_SRGB));
     defaultCompositionDataspace = mDefaultCompositionDataspace;
     wideColorGamutCompositionDataspace = mWideColorGamutCompositionDataspace;
     defaultCompositionPixelFormat = static_cast<ui::PixelFormat>(
@@ -378,9 +407,6 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
     // debugging stuff...
     char value[PROPERTY_VALUE_MAX];
 
-    property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");
-    mGpuToCpuSupported = !atoi(value);
-
     property_get("ro.build.type", value, "user");
     mIsUserBuild = strcmp(value, "user") == 0;
 
@@ -391,7 +417,7 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
     int debugDdms = atoi(value);
     ALOGI_IF(debugDdms, "DDMS debugging not supported");
 
-    property_get("debug.sf.enable_gl_backpressure", value, "0");
+    property_get("debug.sf.enable_gl_backpressure", value, "1");
     mPropagateBackpressureClientComposition = atoi(value);
     ALOGI_IF(mPropagateBackpressureClientComposition,
              "Enabling backpressure propagation for Client Composition");
@@ -403,7 +429,7 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
     property_get("ro.sf.blurs_are_expensive", value, "0");
     mBlursAreExpensive = atoi(value);
 
-    const size_t defaultListSize = ISurfaceComposer::MAX_LAYERS;
+    const size_t defaultListSize = MAX_LAYERS;
     auto listSize = property_get_int32("debug.sf.max_igbp_list_size", int32_t(defaultListSize));
     mMaxGraphicBufferProducerListSize = (listSize > 0) ? size_t(listSize) : defaultListSize;
     mGraphicBufferProducerListSizeLogThreshold =
@@ -438,7 +464,9 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
         android::hardware::details::setTrebleTestingOverride(true);
     }
 
-    mRefreshRateOverlaySpinner = property_get_bool("sf.debug.show_refresh_rate_overlay_spinner", 0);
+    mRefreshRateOverlaySpinner = property_get_bool("debug.sf.show_refresh_rate_overlay_spinner", 0);
+    mRefreshRateOverlayRenderRate =
+            property_get_bool("debug.sf.show_refresh_rate_overlay_render_rate", 0);
 
     if (!mIsUserBuild && base::GetBoolProperty("debug.sf.enable_transaction_tracing"s, true)) {
         mTransactionTracing.emplace();
@@ -453,14 +481,14 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI
 }
 
 LatchUnsignaledConfig SurfaceFlinger::getLatchUnsignaledConfig() {
-    if (base::GetBoolProperty("debug.sf.latch_unsignaled"s, false)) {
-        return LatchUnsignaledConfig::Always;
-    }
-
     if (base::GetBoolProperty("debug.sf.auto_latch_unsignaled"s, true)) {
         return LatchUnsignaledConfig::AutoSingleLayer;
     }
 
+    if (base::GetBoolProperty("debug.sf.latch_unsignaled"s, false)) {
+        return LatchUnsignaledConfig::Always;
+    }
+
     return LatchUnsignaledConfig::Disabled;
 }
 
@@ -471,7 +499,8 @@ void SurfaceFlinger::binderDied(const wp<IBinder>&) {
     mBootFinished = false;
 
     // Sever the link to inputflinger since it's gone as well.
-    static_cast<void>(mScheduler->schedule([=] { mInputFlinger = nullptr; }));
+    static_cast<void>(mScheduler->schedule(
+            [this] { mInputFlinger.clear(); }));
 
     // restore initial conditions (default device unblank, etc)
     initializeDisplays();
@@ -484,11 +513,6 @@ void SurfaceFlinger::run() {
     mScheduler->run();
 }
 
-sp<ISurfaceComposerClient> SurfaceFlinger::createConnection() {
-    const sp<Client> client = new Client(this);
-    return client->initCheck() == NO_ERROR ? client : nullptr;
-}
-
 sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secure) {
     // onTransact already checks for some permissions, but adding an additional check here.
     // This is to ensure that only system and graphics can request to create a secure
@@ -504,7 +528,7 @@ sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secur
         virtual ~DisplayToken() {
              // no more references, this display must be terminated
              Mutex::Autolock _l(flinger->mStateLock);
-             flinger->mCurrentState.displays.removeItem(this);
+             flinger->mCurrentState.displays.removeItem(wp<IBinder>::fromExisting(this));
              flinger->setTransactionFlags(eDisplayTransactionNeeded);
          }
      public:
@@ -513,7 +537,7 @@ sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secur
         }
     };
 
-    sp<BBinder> token = new DisplayToken(this);
+    sp<BBinder> token = sp<DisplayToken>::make(sp<SurfaceFlinger>::fromExisting(this));
 
     Mutex::Autolock _l(mStateLock);
     // Display ID is assigned when virtual display is allocated by HWC.
@@ -521,7 +545,6 @@ sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secur
     state.isSecure = secure;
     state.displayName = displayName;
     mCurrentState.displays.add(token, state);
-    mInterceptor->saveDisplayCreation(state);
     return token;
 }
 
@@ -539,7 +562,6 @@ void SurfaceFlinger::destroyDisplay(const sp<IBinder>& displayToken) {
         ALOGE("%s: Invalid operation on physical display", __func__);
         return;
     }
-    mInterceptor->saveDisplayDeletion(state.sequenceId);
     mCurrentState.displays.removeItemsAt(index);
     setTransactionFlags(eDisplayTransactionNeeded);
 }
@@ -591,12 +613,12 @@ void SurfaceFlinger::releaseVirtualDisplay(VirtualDisplayId displayId) {
 
 std::vector<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIdsLocked() const {
     std::vector<PhysicalDisplayId> displayIds;
-    displayIds.reserve(mPhysicalDisplayTokens.size());
+    displayIds.reserve(mPhysicalDisplays.size());
 
     const auto defaultDisplayId = getDefaultDisplayDeviceLocked()->getPhysicalId();
     displayIds.push_back(defaultDisplayId);
 
-    for (const auto& [id, token] : mPhysicalDisplayTokens) {
+    for (const auto& [id, display] : mPhysicalDisplays) {
         if (id != defaultDisplayId) {
             displayIds.push_back(id);
         }
@@ -605,10 +627,10 @@ std::vector<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIdsLocked() con
     return displayIds;
 }
 
-status_t SurfaceFlinger::getPrimaryPhysicalDisplayId(PhysicalDisplayId* id) const {
-    Mutex::Autolock lock(mStateLock);
-    *id = getPrimaryDisplayIdLocked();
-    return NO_ERROR;
+std::optional<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIdLocked(
+        const sp<display::DisplayToken>& displayToken) const {
+    return ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+            .transform(&ftl::to_key<PhysicalDisplays>);
 }
 
 sp<IBinder> SurfaceFlinger::getPhysicalDisplayToken(PhysicalDisplayId displayId) const {
@@ -629,7 +651,7 @@ HWComposer& SurfaceFlinger::getHwComposer() const {
 }
 
 renderengine::RenderEngine& SurfaceFlinger::getRenderEngine() const {
-    return mCompositionEngine->getRenderEngine();
+    return *mRenderEngine;
 }
 
 compositionengine::CompositionEngine& SurfaceFlinger::getCompositionEngine() const {
@@ -661,7 +683,7 @@ void SurfaceFlinger::bootFinished() {
     const String16 name("window");
     mWindowManager = defaultServiceManager()->getService(name);
     if (mWindowManager != 0) {
-        mWindowManager->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
+        mWindowManager->linkToDeath(sp<IBinder::DeathRecipient>::fromExisting(this));
     }
 
     // stop boot animation
@@ -675,7 +697,7 @@ void SurfaceFlinger::bootFinished() {
 
     sp<IBinder> input(defaultServiceManager()->getService(String16("inputflinger")));
 
-    static_cast<void>(mScheduler->schedule([=] {
+    static_cast<void>(mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) {
         if (input == nullptr) {
             ALOGE("Failed to link to input service");
         } else {
@@ -703,8 +725,9 @@ void SurfaceFlinger::bootFinished() {
 
         mBootStage = BootStage::FINISHED;
 
-        if (property_get_bool("sf.debug.show_refresh_rate_overlay", false)) {
-            FTL_FAKE_GUARD(mStateLock, enableRefreshRateOverlay(true));
+        if (base::GetBoolProperty("sf.debug.show_refresh_rate_overlay"s, false)) {
+            ftl::FakeGuard guard(mStateLock);
+            enableRefreshRateOverlay(true);
         }
     }));
 }
@@ -758,6 +781,10 @@ chooseRenderEngineTypeViaSysProp() {
         return renderengine::RenderEngine::RenderEngineType::SKIA_GL;
     } else if (strcmp(prop, "skiaglthreaded") == 0) {
         return renderengine::RenderEngine::RenderEngineType::SKIA_GL_THREADED;
+    } else if (strcmp(prop, "skiavk") == 0) {
+        return renderengine::RenderEngine::RenderEngineType::SKIA_VK;
+    } else if (strcmp(prop, "skiavkthreaded") == 0) {
+        return renderengine::RenderEngine::RenderEngineType::SKIA_VK_THREADED;
     } else {
         ALOGE("Unrecognized RenderEngineType %s; ignoring!", prop);
         return {};
@@ -766,10 +793,11 @@ chooseRenderEngineTypeViaSysProp() {
 
 // Do not call property_set on main thread which will be blocked by init
 // Use StartPropertySetThread instead.
-void SurfaceFlinger::init() {
+void SurfaceFlinger::init() FTL_FAKE_GUARD(kMainThreadContext) {
     ALOGI(  "SurfaceFlinger's main thread ready to run. "
             "Initializing graphics H/W...");
-    Mutex::Autolock _l(mStateLock);
+    addTransactionReadyFilters();
+    Mutex::Autolock lock(mStateLock);
 
     // Get a RenderEngine for the given display / config (can't fail)
     // TODO(b/77156734): We need to stop casting and use HAL types when possible.
@@ -788,7 +816,8 @@ void SurfaceFlinger::init() {
     if (auto type = chooseRenderEngineTypeViaSysProp()) {
         builder.setRenderEngineType(type.value());
     }
-    mCompositionEngine->setRenderEngine(renderengine::RenderEngine::create(builder.build()));
+    mRenderEngine = renderengine::RenderEngine::create(builder.build());
+    mCompositionEngine->setRenderEngine(mRenderEngine.get());
     mMaxRenderTargetSize =
             std::min(getRenderEngine().getMaxTextureSize(), getRenderEngine().getMaxViewportDims());
 
@@ -808,13 +837,36 @@ void SurfaceFlinger::init() {
         enableHalVirtualDisplays(true);
     }
 
-    // Process any initial hotplug and resulting display changes.
-    processDisplayHotplugEventsLocked();
-    const auto display = getDefaultDisplayDeviceLocked();
-    LOG_ALWAYS_FATAL_IF(!display, "Missing primary display after registering composer callback.");
-    const auto displayId = display->getPhysicalId();
-    LOG_ALWAYS_FATAL_IF(!getHwComposer().isConnected(displayId),
-                        "Primary display is disconnected.");
+    // Process hotplug for displays connected at boot.
+    LOG_ALWAYS_FATAL_IF(!configureLocked(),
+                        "Initial display configuration failed: HWC did not hotplug");
+
+    // Commit primary display.
+    sp<const DisplayDevice> display;
+    if (const auto indexOpt = mCurrentState.getDisplayIndex(getPrimaryDisplayIdLocked())) {
+        const auto& displays = mCurrentState.displays;
+
+        const auto& token = displays.keyAt(*indexOpt);
+        const auto& state = displays.valueAt(*indexOpt);
+
+        processDisplayAdded(token, state);
+        mDrawingState.displays.add(token, state);
+
+        display = getDefaultDisplayDeviceLocked();
+    }
+
+    LOG_ALWAYS_FATAL_IF(!display, "Failed to configure the primary display");
+    LOG_ALWAYS_FATAL_IF(!getHwComposer().isConnected(display->getPhysicalId()),
+                        "Primary display is disconnected");
+
+    // TODO(b/241285876): The Scheduler needlessly depends on creating the CompositionEngine part of
+    // the DisplayDevice, hence the above commit of the primary display. Remove that special case by
+    // initializing the Scheduler after configureLocked, once decoupled from DisplayDevice.
+    initScheduler(display);
+    dispatchDisplayHotplugEvent(display->getPhysicalId(), true);
+
+    // Commit secondary display(s).
+    processDisplayChangesLocked();
 
     // initialize our drawing state
     mDrawingState = mCurrentState;
@@ -838,8 +890,6 @@ void SurfaceFlinger::init() {
         }
     }
 
-    onActiveDisplaySizeChanged(display);
-
     // Inform native graphics APIs whether the present timestamp is supported:
 
     const bool presentFenceReliable =
@@ -866,8 +916,8 @@ void SurfaceFlinger::readPersistentProperties() {
     property_get("persist.sys.sf.native_mode", value, "0");
     mDisplayColorSetting = static_cast<DisplayColorSetting>(atoi(value));
 
-    property_get("persist.sys.sf.color_mode", value, "0");
-    mForceColorMode = static_cast<ColorMode>(atoi(value));
+    mForceColorMode =
+            static_cast<ui::ColorMode>(base::GetIntProperty("persist.sys.sf.color_mode"s, 0));
 }
 
 void SurfaceFlinger::startBootAnim() {
@@ -882,17 +932,6 @@ void SurfaceFlinger::startBootAnim() {
 
 // ----------------------------------------------------------------------------
 
-bool SurfaceFlinger::authenticateSurfaceTexture(
-        const sp<IGraphicBufferProducer>& bufferProducer) const {
-    Mutex::Autolock _l(mStateLock);
-    return authenticateSurfaceTextureLocked(bufferProducer);
-}
-
-bool SurfaceFlinger::authenticateSurfaceTextureLocked(
-        const sp<IGraphicBufferProducer>& /* bufferProducer */) const {
-    return false;
-}
-
 status_t SurfaceFlinger::getSupportedFrameTimestamps(
         std::vector<FrameEvent>* outSupported) const {
     *outSupported = {
@@ -936,24 +975,24 @@ status_t SurfaceFlinger::getDisplayState(const sp<IBinder>& displayToken, ui::Di
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::getStaticDisplayInfo(const sp<IBinder>& displayToken,
-                                              ui::StaticDisplayInfo* info) {
-    if (!displayToken || !info) {
+status_t SurfaceFlinger::getStaticDisplayInfo(int64_t displayId, ui::StaticDisplayInfo* info) {
+    if (!info) {
         return BAD_VALUE;
     }
 
     Mutex::Autolock lock(mStateLock);
+    const auto id = DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
+    const auto displayOpt = mPhysicalDisplays.get(*id).and_then(getDisplayDeviceAndSnapshot());
 
-    const auto display = getDisplayDeviceLocked(displayToken);
-    if (!display) {
+    if (!displayOpt) {
         return NAME_NOT_FOUND;
     }
 
-    if (const auto connectionType = display->getConnectionType())
-        info->connectionType = *connectionType;
-    else {
-        return INVALID_OPERATION;
-    }
+    const auto& [display, snapshotRef] = *displayOpt;
+    const auto& snapshot = snapshotRef.get();
+
+    info->connectionType = snapshot.connectionType();
+    info->deviceProductInfo = snapshot.deviceProductInfo();
 
     if (mEmulatedDisplayDensity) {
         info->density = mEmulatedDisplayDensity;
@@ -965,37 +1004,19 @@ status_t SurfaceFlinger::getStaticDisplayInfo(const sp<IBinder>& displayToken,
     info->density /= ACONFIGURATION_DENSITY_MEDIUM;
 
     info->secure = display->isSecure();
-    info->deviceProductInfo = display->getDeviceProductInfo();
     info->installOrientation = display->getPhysicalOrientation();
 
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::getDynamicDisplayInfo(const sp<IBinder>& displayToken,
-                                               ui::DynamicDisplayInfo* info) {
-    if (!displayToken || !info) {
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mStateLock);
-
-    const auto display = getDisplayDeviceLocked(displayToken);
-    if (!display) {
-        return NAME_NOT_FOUND;
-    }
-
-    const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-    if (!displayId) {
-        return INVALID_OPERATION;
-    }
-
-    info->activeDisplayModeId = display->getActiveMode()->getId().value();
-
-    const auto& supportedModes = display->getSupportedModes();
+void SurfaceFlinger::getDynamicDisplayInfoInternal(ui::DynamicDisplayInfo*& info,
+                                                   const sp<DisplayDevice>& display,
+                                                   const display::DisplaySnapshot& snapshot) {
+    const auto& displayModes = snapshot.displayModes();
     info->supportedDisplayModes.clear();
-    info->supportedDisplayModes.reserve(supportedModes.size());
+    info->supportedDisplayModes.reserve(displayModes.size());
 
-    for (const auto& [id, mode] : supportedModes) {
+    for (const auto& [id, mode] : displayModes) {
         ui::DisplayMode outMode;
         outMode.id = static_cast<int32_t>(id.value());
 
@@ -1035,106 +1056,175 @@ status_t SurfaceFlinger::getDynamicDisplayInfo(const sp<IBinder>& displayToken,
         // We add an additional 1ms to allow for processing time and
         // differences between the ideal and actual refresh rate.
         outMode.presentationDeadline = period - outMode.sfVsyncOffset + 1000000;
-
+        excludeDolbyVisionIf4k30Present(display->getHdrCapabilities().getSupportedHdrTypes(),
+                                        outMode);
         info->supportedDisplayModes.push_back(outMode);
     }
 
+    info->supportedColorModes = snapshot.filterColorModes(mSupportsWideColor);
+
+    const PhysicalDisplayId displayId = snapshot.displayId();
+
+    const auto mode = display->refreshRateSelector().getActiveMode();
+    info->activeDisplayModeId = mode.modePtr->getId().value();
+    info->renderFrameRate = mode.fps.getValue();
     info->activeColorMode = display->getCompositionDisplay()->getState().colorMode;
-    info->supportedColorModes = getDisplayColorModes(*display);
-    info->hdrCapabilities = display->getHdrCapabilities();
+    info->hdrCapabilities = filterOut4k30(display->getHdrCapabilities());
 
     info->autoLowLatencyModeSupported =
-            getHwComposer().hasDisplayCapability(*displayId,
+            getHwComposer().hasDisplayCapability(displayId,
                                                  DisplayCapability::AUTO_LOW_LATENCY_MODE);
     info->gameContentTypeSupported =
-            getHwComposer().supportsContentType(*displayId, hal::ContentType::GAME);
+            getHwComposer().supportsContentType(displayId, hal::ContentType::GAME);
 
     info->preferredBootDisplayMode = static_cast<ui::DisplayModeId>(-1);
 
     if (getHwComposer().hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
-        if (const auto hwcId = getHwComposer().getPreferredBootDisplayMode(*displayId)) {
-            if (const auto modeId = display->translateModeId(*hwcId)) {
+        if (const auto hwcId = getHwComposer().getPreferredBootDisplayMode(displayId)) {
+            if (const auto modeId = snapshot.translateModeId(*hwcId)) {
                 info->preferredBootDisplayMode = modeId->value();
             }
         }
     }
+}
+
+status_t SurfaceFlinger::getDynamicDisplayInfoFromId(int64_t physicalDisplayId,
+                                                     ui::DynamicDisplayInfo* info) {
+    if (!info) {
+        return BAD_VALUE;
+    }
+
+    Mutex::Autolock lock(mStateLock);
+
+    const auto id_ =
+            DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(physicalDisplayId));
+    const auto displayOpt = mPhysicalDisplays.get(*id_).and_then(getDisplayDeviceAndSnapshot());
+
+    if (!displayOpt) {
+        return NAME_NOT_FOUND;
+    }
 
+    const auto& [display, snapshotRef] = *displayOpt;
+    getDynamicDisplayInfoInternal(info, display, snapshotRef.get());
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>&, DisplayStatInfo* stats) {
-    if (!stats) {
+status_t SurfaceFlinger::getDynamicDisplayInfoFromToken(const sp<IBinder>& displayToken,
+                                                        ui::DynamicDisplayInfo* info) {
+    if (!displayToken || !info) {
         return BAD_VALUE;
     }
 
-    *stats = mScheduler->getDisplayStatInfo(systemTime());
+    Mutex::Autolock lock(mStateLock);
+
+    const auto displayOpt = ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                                    .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                                    .and_then(getDisplayDeviceAndSnapshot());
+
+    if (!displayOpt) {
+        return NAME_NOT_FOUND;
+    }
+
+    const auto& [display, snapshotRef] = *displayOpt;
+    getDynamicDisplayInfoInternal(info, display, snapshotRef.get());
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>&, DisplayStatInfo* outStats) {
+    if (!outStats) {
+        return BAD_VALUE;
+    }
+
+    const auto& schedule = mScheduler->getVsyncSchedule();
+    outStats->vsyncTime = schedule.vsyncDeadlineAfter(TimePoint::now()).ns();
+    outStats->vsyncPeriod = schedule.period().ns();
     return NO_ERROR;
 }
 
-void SurfaceFlinger::setDesiredActiveMode(const ActiveModeInfo& info) {
+void SurfaceFlinger::setDesiredActiveMode(display::DisplayModeRequest&& request) {
     ATRACE_CALL();
 
-    if (!info.mode) {
-        ALOGW("requested display mode is null");
-        return;
-    }
-    auto display = getDisplayDeviceLocked(info.mode->getPhysicalDisplayId());
+    auto display = getDisplayDeviceLocked(request.mode.modePtr->getPhysicalDisplayId());
     if (!display) {
         ALOGW("%s: display is no longer valid", __func__);
         return;
     }
 
-    if (display->setDesiredActiveMode(info)) {
-        scheduleComposite(FrameHint::kNone);
+    const auto mode = request.mode;
+    const bool emitEvent = request.emitEvent;
+
+    switch (display->setDesiredActiveMode(DisplayDevice::ActiveModeInfo(std::move(request)))) {
+        case DisplayDevice::DesiredActiveModeAction::InitiateDisplayModeSwitch:
+            scheduleComposite(FrameHint::kNone);
 
-        // Start receiving vsync samples now, so that we can detect a period
-        // switch.
-        mScheduler->resyncToHardwareVsync(true, info.mode->getFps());
-        // As we called to set period, we will call to onRefreshRateChangeCompleted once
-        // VsyncController model is locked.
-        modulateVsync(&VsyncModulator::onRefreshRateChangeInitiated);
+            // Start receiving vsync samples now, so that we can detect a period
+            // switch.
+            mScheduler->resyncToHardwareVsync(true, mode.modePtr->getFps());
+            // As we called to set period, we will call to onRefreshRateChangeCompleted once
+            // VsyncController model is locked.
+            modulateVsync(&VsyncModulator::onRefreshRateChangeInitiated);
 
-        updatePhaseConfiguration(info.mode->getFps());
-        mScheduler->setModeChangePending(true);
+            updatePhaseConfiguration(mode.fps);
+            mScheduler->setModeChangePending(true);
+            break;
+        case DisplayDevice::DesiredActiveModeAction::InitiateRenderRateSwitch:
+            mScheduler->setRenderRate(mode.fps);
+            updatePhaseConfiguration(mode.fps);
+            mRefreshRateStats->setRefreshRate(mode.fps);
+            if (display->getPhysicalId() == mActiveDisplayId && emitEvent) {
+                mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, mode);
+            }
+
+            break;
+        case DisplayDevice::DesiredActiveModeAction::None:
+            break;
     }
 }
 
-status_t SurfaceFlinger::setActiveModeFromBackdoor(const sp<IBinder>& displayToken, int modeId) {
+status_t SurfaceFlinger::setActiveModeFromBackdoor(const sp<display::DisplayToken>& displayToken,
+                                                   DisplayModeId modeId) {
     ATRACE_CALL();
 
     if (!displayToken) {
         return BAD_VALUE;
     }
 
-    auto future = mScheduler->schedule([=]() -> status_t {
-        const auto display = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(displayToken));
-        if (!display) {
-            ALOGE("Attempt to set allowed display modes for invalid display token %p",
-                  displayToken.get());
+    const char* const whence = __func__;
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) -> status_t {
+        const auto displayOpt =
+                FTL_FAKE_GUARD(mStateLock,
+                               ftl::find_if(mPhysicalDisplays,
+                                            PhysicalDisplay::hasToken(displayToken))
+                                       .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                                       .and_then(getDisplayDeviceAndSnapshot()));
+        if (!displayOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGW("Attempt to set allowed display modes for virtual display");
-            return INVALID_OPERATION;
-        }
+        const auto& [display, snapshotRef] = *displayOpt;
+        const auto& snapshot = snapshotRef.get();
+
+        const auto fpsOpt = snapshot.displayModes().get(modeId).transform(
+                [](const DisplayModePtr& mode) { return mode->getFps(); });
 
-        const auto mode = display->getMode(DisplayModeId{modeId});
-        if (!mode) {
-            ALOGW("Attempt to switch to an unsupported mode %d.", modeId);
+        if (!fpsOpt) {
+            ALOGE("%s: Invalid mode %d for display %s", whence, modeId.value(),
+                  to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
-        const auto fps = mode->getFps();
+        const Fps fps = *fpsOpt;
+
         // Keep the old switching type.
-        const auto allowGroupSwitching =
-                display->refreshRateConfigs().getCurrentPolicy().allowGroupSwitching;
-        const scheduler::RefreshRateConfigs::Policy policy{mode->getId(),
-                                                           allowGroupSwitching,
-                                                           {fps, fps}};
-        constexpr bool kOverridePolicy = false;
-
-        return setDesiredDisplayModeSpecsInternal(display, policy, kOverridePolicy);
+        const bool allowGroupSwitching =
+                display->refreshRateSelector().getCurrentPolicy().allowGroupSwitching;
+
+        const scheduler::RefreshRateSelector::DisplayManagerPolicy policy{modeId,
+                                                                          {fps, fps},
+                                                                          allowGroupSwitching};
+
+        return setDesiredDisplayModeSpecsInternal(display, policy);
     });
 
     return future.get();
@@ -1148,52 +1238,58 @@ void SurfaceFlinger::updateInternalStateWithChangedMode() {
         return;
     }
 
-    const auto upcomingModeInfo =
-            FTL_FAKE_GUARD(kMainThreadContext, display->getUpcomingActiveMode());
-
-    if (!upcomingModeInfo.mode) {
+    const auto upcomingModeInfo = display->getUpcomingActiveMode();
+    if (!upcomingModeInfo.modeOpt) {
         // There is no pending mode change. This can happen if the active
         // display changed and the mode change happened on a different display.
         return;
     }
 
-    if (display->getActiveMode()->getResolution() != upcomingModeInfo.mode->getResolution()) {
+    if (display->getActiveMode().modePtr->getResolution() !=
+        upcomingModeInfo.modeOpt->modePtr->getResolution()) {
         auto& state = mCurrentState.displays.editValueFor(display->getDisplayToken());
         // We need to generate new sequenceId in order to recreate the display (and this
         // way the framebuffer).
         state.sequenceId = DisplayDeviceState{}.sequenceId;
-        state.physical->activeMode = upcomingModeInfo.mode;
+        state.physical->activeMode = upcomingModeInfo.modeOpt->modePtr.get();
         processDisplayChangesLocked();
 
         // processDisplayChangesLocked will update all necessary components so we're done here.
         return;
     }
 
-    // We just created this display so we can call even if we are not on the main thread.
-    ftl::FakeGuard guard(kMainThreadContext);
-    display->setActiveMode(upcomingModeInfo.mode->getId());
+    mPhysicalDisplays.get(display->getPhysicalId())
+            .transform(&PhysicalDisplay::snapshotRef)
+            .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                FTL_FAKE_GUARD(kMainThreadContext,
+                               display->setActiveMode(upcomingModeInfo.modeOpt->modePtr->getId(),
+                                                      upcomingModeInfo.modeOpt->modePtr->getFps(),
+                                                      upcomingModeInfo.modeOpt->fps));
+            }));
 
-    const Fps refreshRate = upcomingModeInfo.mode->getFps();
+    const Fps refreshRate = upcomingModeInfo.modeOpt->fps;
     mRefreshRateStats->setRefreshRate(refreshRate);
     updatePhaseConfiguration(refreshRate);
 
-    if (upcomingModeInfo.event != DisplayModeEvent::None) {
-        mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, upcomingModeInfo.mode);
+    if (upcomingModeInfo.event != scheduler::DisplayModeEvent::None) {
+        mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, *upcomingModeInfo.modeOpt);
     }
 }
 
 void SurfaceFlinger::clearDesiredActiveModeState(const sp<DisplayDevice>& display) {
     display->clearDesiredActiveModeState();
-    if (isDisplayActiveLocked(display)) {
+    if (display->getPhysicalId() == mActiveDisplayId) {
         mScheduler->setModeChangePending(false);
     }
 }
 
 void SurfaceFlinger::desiredActiveModeChangeDone(const sp<DisplayDevice>& display) {
-    const auto refreshRate = display->getDesiredActiveMode()->mode->getFps();
+    const auto displayFps = display->getDesiredActiveMode()->modeOpt->modePtr->getFps();
+    const auto renderFps = display->getDesiredActiveMode()->modeOpt->fps;
     clearDesiredActiveModeState(display);
-    mScheduler->resyncToHardwareVsync(true, refreshRate);
-    updatePhaseConfiguration(refreshRate);
+    mScheduler->resyncToHardwareVsync(true, displayFps);
+    mScheduler->setRenderRate(renderFps);
+    updatePhaseConfiguration(renderFps);
 }
 
 void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
@@ -1201,39 +1297,44 @@ void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
 
     std::optional<PhysicalDisplayId> displayToUpdateImmediately;
 
-    for (const auto& iter : mDisplays) {
-        const auto& display = iter.second;
-        if (!display || !display->isInternal()) {
+    for (const auto& [id, physical] : mPhysicalDisplays) {
+        const auto& snapshot = physical.snapshot();
+
+        if (snapshot.connectionType() != ui::DisplayConnectionType::Internal) {
             continue;
         }
 
+        const auto display = getDisplayDeviceLocked(id);
+        if (!display) continue;
+
         // Store the local variable to release the lock.
         const auto desiredActiveMode = display->getDesiredActiveMode();
         if (!desiredActiveMode) {
-            // No desired active mode pending to be applied
+            // No desired active mode pending to be applied.
             continue;
         }
 
-        if (!isDisplayActiveLocked(display)) {
-            // display is no longer the active display, so abort the mode change
+        if (id != mActiveDisplayId) {
+            // Display is no longer the active display, so abort the mode change.
             clearDesiredActiveModeState(display);
             continue;
         }
 
-        const auto desiredMode = display->getMode(desiredActiveMode->mode->getId());
-        if (!desiredMode) {
+        const auto desiredModeId = desiredActiveMode->modeOpt->modePtr->getId();
+        const auto displayModePtrOpt = snapshot.displayModes().get(desiredModeId);
+
+        if (!displayModePtrOpt) {
             ALOGW("Desired display mode is no longer supported. Mode ID = %d",
-                  desiredActiveMode->mode->getId().value());
+                  desiredModeId.value());
             clearDesiredActiveModeState(display);
             continue;
         }
 
-        const auto refreshRate = desiredMode->getFps();
-        ALOGV("%s changing active mode to %d(%s) for display %s", __func__,
-              desiredMode->getId().value(), to_string(refreshRate).c_str(),
+        ALOGV("%s changing active mode to %d(%s) for display %s", __func__, desiredModeId.value(),
+              to_string(displayModePtrOpt->get()->getFps()).c_str(),
               to_string(display->getId()).c_str());
 
-        if (display->getActiveMode()->getId() == desiredActiveMode->mode->getId()) {
+        if (display->getActiveMode() == desiredActiveMode->modeOpt) {
             // we are already in the requested mode, there is nothing left to do
             desiredActiveModeChangeDone(display);
             continue;
@@ -1243,7 +1344,7 @@ void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
         // allowed modes might have changed by the time we process the refresh.
         // Make sure the desired mode is still allowed
         const auto displayModeAllowed =
-                display->refreshRateConfigs().isModeAllowed(desiredActiveMode->mode->getId());
+                display->refreshRateSelector().isModeAllowed(*desiredActiveMode->modeOpt);
         if (!displayModeAllowed) {
             clearDesiredActiveModeState(display);
             continue;
@@ -1255,9 +1356,8 @@ void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
         constraints.seamlessRequired = false;
         hal::VsyncPeriodChangeTimeline outTimeline;
 
-        const auto status = FTL_FAKE_GUARD(kMainThreadContext,
-                                           display->initiateModeChange(*desiredActiveMode,
-                                                                       constraints, &outTimeline));
+        const auto status =
+                display->initiateModeChange(*desiredActiveMode, constraints, &outTimeline);
 
         if (status != NO_ERROR) {
             // initiateModeChange may fail if a hotplug event is just about
@@ -1265,6 +1365,8 @@ void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
             ALOGW("initiateModeChange failed: %d", status);
             continue;
         }
+
+        display->refreshRateSelector().onModeChangeInitiated();
         mScheduler->onNewVsyncPeriodChangeTimeline(outTimeline);
 
         if (outTimeline.refreshRequired) {
@@ -1283,8 +1385,7 @@ void SurfaceFlinger::setActiveModeInHwcIfNeeded() {
 
         const auto display = getDisplayDeviceLocked(*displayToUpdateImmediately);
         const auto desiredActiveMode = display->getDesiredActiveMode();
-        if (desiredActiveMode &&
-            display->getActiveMode()->getId() == desiredActiveMode->mode->getId()) {
+        if (desiredActiveMode && display->getActiveMode() == desiredActiveMode->modeOpt) {
             desiredActiveModeChangeDone(display);
         }
     }
@@ -1305,22 +1406,6 @@ void SurfaceFlinger::disableExpensiveRendering() {
     future.wait();
 }
 
-std::vector<ColorMode> SurfaceFlinger::getDisplayColorModes(const DisplayDevice& display) {
-    auto modes = getHwComposer().getColorModes(display.getPhysicalId());
-
-    // If the display is internal and the configuration claims it's not wide color capable,
-    // filter out all wide color modes. The typical reason why this happens is that the
-    // hardware is not good enough to support GPU composition of wide color, and thus the
-    // OEMs choose to disable this capability.
-    if (display.getConnectionType() == ui::DisplayConnectionType::Internal &&
-        !hasWideColorDisplay) {
-        const auto newEnd = std::remove_if(modes.begin(), modes.end(), isWideColorMode);
-        modes.erase(newEnd, modes.end());
-    }
-
-    return modes;
-}
-
 status_t SurfaceFlinger::getDisplayNativePrimaries(const sp<IBinder>& displayToken,
                                                    ui::DisplayPrimaries& primaries) {
     if (!displayToken) {
@@ -1329,13 +1414,13 @@ status_t SurfaceFlinger::getDisplayNativePrimaries(const sp<IBinder>& displayTok
 
     Mutex::Autolock lock(mStateLock);
 
-    const auto display = getDisplayDeviceLocked(displayToken);
+    const auto display = ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                                 .transform(&ftl::to_mapped_ref<PhysicalDisplays>);
     if (!display) {
         return NAME_NOT_FOUND;
     }
 
-    const auto connectionType = display->getConnectionType();
-    if (connectionType != ui::DisplayConnectionType::Internal) {
+    if (!display.transform(&PhysicalDisplay::isInternal).value()) {
         return INVALID_OPERATION;
     }
 
@@ -1344,31 +1429,32 @@ status_t SurfaceFlinger::getDisplayNativePrimaries(const sp<IBinder>& displayTok
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& displayToken, ColorMode mode) {
+status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode mode) {
     if (!displayToken) {
         return BAD_VALUE;
     }
 
+    const char* const whence = __func__;
     auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) -> status_t {
-        const auto display = getDisplayDeviceLocked(displayToken);
-        if (!display) {
-            ALOGE("Attempt to set active color mode %s (%d) for invalid display token %p",
-                  decodeColorMode(mode).c_str(), mode, displayToken.get());
+        const auto displayOpt =
+                ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                        .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                        .and_then(getDisplayDeviceAndSnapshot());
+
+        if (!displayOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGW("Attempt to set active color mode %s (%d) for virtual display",
-                  decodeColorMode(mode).c_str(), mode);
-            return INVALID_OPERATION;
-        }
+        const auto& [display, snapshotRef] = *displayOpt;
+        const auto& snapshot = snapshotRef.get();
 
-        const auto modes = getDisplayColorModes(*display);
+        const auto modes = snapshot.filterColorModes(mSupportsWideColor);
         const bool exists = std::find(modes.begin(), modes.end(), mode) != modes.end();
 
-        if (mode < ColorMode::NATIVE || !exists) {
-            ALOGE("Attempt to set invalid active color mode %s (%d) for display token %p",
-                  decodeColorMode(mode).c_str(), mode, displayToken.get());
+        if (mode < ui::ColorMode::NATIVE || !exists) {
+            ALOGE("%s: Invalid color mode %s (%d) for display %s", whence,
+                  decodeColorMode(mode).c_str(), mode, to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
@@ -1391,30 +1477,54 @@ status_t SurfaceFlinger::getBootDisplayModeSupport(bool* outSupport) const {
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setBootDisplayMode(const sp<IBinder>& displayToken,
-                                            ui::DisplayModeId modeId) {
+status_t SurfaceFlinger::getOverlaySupport(gui::OverlayProperties* outProperties) const {
+    const auto& aidlProperties = getHwComposer().getOverlaySupport();
+    // convert aidl OverlayProperties to gui::OverlayProperties
+    outProperties->combinations.reserve(aidlProperties.combinations.size());
+    for (const auto& combination : aidlProperties.combinations) {
+        std::vector<int32_t> pixelFormats;
+        pixelFormats.reserve(combination.pixelFormats.size());
+        std::transform(combination.pixelFormats.cbegin(), combination.pixelFormats.cend(),
+                       std::back_inserter(pixelFormats),
+                       [](const auto& val) { return static_cast<int32_t>(val); });
+        std::vector<int32_t> dataspaces;
+        dataspaces.reserve(combination.dataspaces.size());
+        std::transform(combination.dataspaces.cbegin(), combination.dataspaces.cend(),
+                       std::back_inserter(dataspaces),
+                       [](const auto& val) { return static_cast<int32_t>(val); });
+        gui::OverlayProperties::SupportedBufferCombinations outCombination;
+        outCombination.pixelFormats = std::move(pixelFormats);
+        outCombination.dataspaces = std::move(dataspaces);
+        outProperties->combinations.emplace_back(outCombination);
+    }
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::setBootDisplayMode(const sp<display::DisplayToken>& displayToken,
+                                            DisplayModeId modeId) {
     const char* const whence = __func__;
     auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) -> status_t {
-        const auto display = getDisplayDeviceLocked(displayToken);
-        if (!display) {
-            ALOGE("%s: Invalid display token %p", whence, displayToken.get());
+        const auto snapshotOpt =
+                ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                        .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                        .transform(&PhysicalDisplay::snapshotRef);
+
+        if (!snapshotOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGE("%s: Invalid operation on virtual display", whence);
-            return INVALID_OPERATION;
-        }
+        const auto& snapshot = snapshotOpt->get();
+        const auto hwcIdOpt = snapshot.displayModes().get(modeId).transform(
+                [](const DisplayModePtr& mode) { return mode->getHwcId(); });
 
-        const auto displayId = display->getPhysicalId();
-        const auto mode = display->getMode(DisplayModeId{modeId});
-        if (!mode) {
-            ALOGE("%s: Invalid mode %d for display %s", whence, modeId,
-                  to_string(displayId).c_str());
+        if (!hwcIdOpt) {
+            ALOGE("%s: Invalid mode %d for display %s", whence, modeId.value(),
+                  to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
-        return getHwComposer().setBootDisplayMode(displayId, mode->getHwcId());
+        return getHwComposer().setBootDisplayMode(snapshot.displayId(), *hwcIdOpt);
     });
     return future.get();
 }
@@ -1455,18 +1565,6 @@ void SurfaceFlinger::setGameContentType(const sp<IBinder>& displayToken, bool on
     }));
 }
 
-status_t SurfaceFlinger::clearAnimationFrameStats() {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.clearStats();
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.getStats(outStats);
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::overrideHdrTypes(const sp<IBinder>& displayToken,
                                           const std::vector<ui::Hdr>& hdrTypes) {
     Mutex::Autolock lock(mStateLock);
@@ -1482,7 +1580,8 @@ status_t SurfaceFlinger::overrideHdrTypes(const sp<IBinder>& displayToken,
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) {
+status_t SurfaceFlinger::onPullAtom(const int32_t atomId, std::vector<uint8_t>* pulledData,
+                                    bool* success) {
     *success = mTimeStats->onPullAtom(atomId, pulledData);
     return NO_ERROR;
 }
@@ -1557,34 +1656,11 @@ status_t SurfaceFlinger::isWideColorDisplay(const sp<IBinder>& displayToken,
     }
 
     *outIsWideColorDisplay =
-            display->isPrimary() ? hasWideColorDisplay : display->hasWideColorGamut();
+            display->isPrimary() ? mSupportsWideColor : display->hasWideColorGamut();
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::enableVSyncInjections(bool enable) {
-    auto future = mScheduler->schedule([=] {
-        Mutex::Autolock lock(mStateLock);
-
-        if (const auto handle = mScheduler->enableVSyncInjection(enable)) {
-            mScheduler->setInjector(enable ? mScheduler->getEventConnection(handle) : nullptr);
-        }
-    });
-
-    future.wait();
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::injectVSync(nsecs_t when) {
-    Mutex::Autolock lock(mStateLock);
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(when);
-    const auto expectedPresent = calculateExpectedPresentTime(stats);
-    return mScheduler->injectVSync(when, /*expectedVSyncTime=*/expectedPresent,
-                                   /*deadlineTimestamp=*/expectedPresent)
-            ? NO_ERROR
-            : BAD_VALUE;
-}
-
-status_t SurfaceFlinger::getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) {
+status_t SurfaceFlinger::getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) {
     outLayers->clear();
     auto future = mScheduler->schedule([=] {
         const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
@@ -1615,8 +1691,12 @@ status_t SurfaceFlinger::addRegionSamplingListener(const Rect& samplingArea,
         return BAD_VALUE;
     }
 
-    const wp<Layer> stopLayer = fromHandle(stopLayerHandle);
-    mRegionSamplingThread->addListener(samplingArea, stopLayer, listener);
+    // LayerHandle::getLayer promotes the layer object in a binder thread but we will not destroy
+    // the layer here since the caller has a strong ref to the layer's handle.
+    const sp<Layer> stopLayer = LayerHandle::getLayer(stopLayerHandle);
+    mRegionSamplingThread->addListener(samplingArea,
+                                       stopLayer ? stopLayer->getSequence() : UNASSIGNED_LAYER_ID,
+                                       listener);
     return NO_ERROR;
 }
 
@@ -1816,10 +1896,11 @@ status_t SurfaceFlinger::getDisplayDecorationSupport(
 // ----------------------------------------------------------------------------
 
 sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
-        ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        gui::ISurfaceComposer::VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) {
     const auto& handle =
-            vsyncSource == eVsyncSourceSurfaceFlinger ? mSfConnectionHandle : mAppConnectionHandle;
+            vsyncSource == gui::ISurfaceComposer::VsyncSource::eVsyncSourceSurfaceFlinger
+            ? mSfConnectionHandle
+            : mAppConnectionHandle;
 
     return mScheduler->createDisplayEventConnection(handle, eventRegistration);
 }
@@ -1828,7 +1909,7 @@ void SurfaceFlinger::scheduleCommit(FrameHint hint) {
     if (hint == FrameHint::kActive) {
         mScheduler->resetIdleTimer();
     }
-    mPowerAdvisor->notifyDisplayUpdateImminent();
+    mPowerAdvisor->notifyDisplayUpdateImminentAndCpuReset();
     mScheduler->scheduleFrame();
 }
 
@@ -1867,20 +1948,13 @@ void SurfaceFlinger::onComposerHalVsync(hal::HWDisplayId hwcDisplayId, int64_t t
     ATRACE_FORMAT("onComposerHalVsync%s", tracePeriod.c_str());
 
     Mutex::Autolock lock(mStateLock);
-    const auto displayId = getHwComposer().toPhysicalDisplayId(hwcDisplayId);
-    if (displayId) {
-        const auto token = getPhysicalDisplayTokenLocked(*displayId);
-        const auto display = getDisplayDeviceLocked(token);
-        display->onVsync(timestamp);
-    }
 
     if (!getHwComposer().onVsync(hwcDisplayId, timestamp)) {
         return;
     }
 
-    const bool isActiveDisplay =
-            displayId && getPhysicalDisplayTokenLocked(*displayId) == mActiveDisplayToken;
-    if (!isActiveDisplay) {
+    if (const auto displayId = getHwComposer().toPhysicalDisplayId(hwcDisplayId);
+        displayId != mActiveDisplayId) {
         // For now, we don't do anything with non active display vsyncs.
         return;
     }
@@ -1892,30 +1966,16 @@ void SurfaceFlinger::onComposerHalVsync(hal::HWDisplayId hwcDisplayId, int64_t t
     }
 }
 
-void SurfaceFlinger::getCompositorTiming(CompositorTiming* compositorTiming) {
-    std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-    *compositorTiming = getBE().mCompositorTiming;
-}
-
 void SurfaceFlinger::onComposerHalHotplug(hal::HWDisplayId hwcDisplayId,
                                           hal::Connection connection) {
-    const bool connected = connection == hal::Connection::CONNECTED;
-    ALOGI("%s HAL display %" PRIu64, connected ? "Connecting" : "Disconnecting", hwcDisplayId);
-
-    // Only lock if we're not on the main thread. This function is normally
-    // called on a hwbinder thread, but for the primary display it's called on
-    // the main thread with the state lock already held, so don't attempt to
-    // acquire it here.
-    ConditionalLock lock(mStateLock, std::this_thread::get_id() != mMainThreadId);
-
-    mPendingHotplugEvents.emplace_back(HotplugEvent{hwcDisplayId, connection});
-
-    if (std::this_thread::get_id() == mMainThreadId) {
-        // Process all pending hot plug events immediately if we are on the main thread.
-        processDisplayHotplugEventsLocked();
+    {
+        std::lock_guard<std::mutex> lock(mHotplugMutex);
+        mPendingHotplugEvents.push_back(HotplugEvent{hwcDisplayId, connection});
     }
 
-    setTransactionFlags(eDisplayTransactionNeeded);
+    if (mScheduler) {
+        mScheduler->scheduleConfigure();
+    }
 }
 
 void SurfaceFlinger::onComposerHalVsyncPeriodTimingChanged(
@@ -1957,26 +2017,15 @@ void SurfaceFlinger::setVsyncEnabled(bool enabled) {
     }));
 }
 
-SurfaceFlinger::FenceWithFenceTime SurfaceFlinger::previousFrameFence() {
-    const auto now = systemTime();
-    const auto vsyncPeriod = mScheduler->getDisplayStatInfo(now).vsyncPeriod;
-    const bool expectedPresentTimeIsTheNextVsync = mExpectedPresentTime - now <= vsyncPeriod;
-
-    size_t shift = 0;
-    if (!expectedPresentTimeIsTheNextVsync) {
-        shift = static_cast<size_t>((mExpectedPresentTime - now) / vsyncPeriod);
-        if (shift >= mPreviousPresentFences.size()) {
-            shift = mPreviousPresentFences.size() - 1;
-        }
-    }
-    ATRACE_FORMAT("previousFrameFence shift=%zu", shift);
-    return mPreviousPresentFences[shift];
+auto SurfaceFlinger::getPreviousPresentFence(TimePoint frameTime, Period vsyncPeriod)
+        -> const FenceTimePtr& {
+    const bool isTwoVsyncsAhead = mExpectedPresentTime - frameTime > vsyncPeriod;
+    const size_t i = static_cast<size_t>(isTwoVsyncsAhead);
+    return mPreviousPresentFences[i].fenceTime;
 }
 
-bool SurfaceFlinger::previousFramePending(int graceTimeMs) {
+bool SurfaceFlinger::isFencePending(const FenceTimePtr& fence, int graceTimeMs) {
     ATRACE_CALL();
-    const std::shared_ptr<FenceTime>& fence = previousFrameFence().fenceTime;
-
     if (fence == FenceTime::NO_FENCE) {
         return false;
     }
@@ -1987,44 +2036,45 @@ bool SurfaceFlinger::previousFramePending(int graceTimeMs) {
     return status == -ETIME;
 }
 
-nsecs_t SurfaceFlinger::previousFramePresentTime() {
-    const std::shared_ptr<FenceTime>& fence = previousFrameFence().fenceTime;
+TimePoint SurfaceFlinger::calculateExpectedPresentTime(TimePoint frameTime) const {
+    const auto& schedule = mScheduler->getVsyncSchedule();
 
-    if (fence == FenceTime::NO_FENCE) {
-        return Fence::SIGNAL_TIME_INVALID;
+    const TimePoint vsyncDeadline = schedule.vsyncDeadlineAfter(frameTime);
+    if (mVsyncModulator->getVsyncConfig().sfOffset > 0) {
+        return vsyncDeadline;
     }
 
-    return fence->getSignalTime();
+    // Inflate the expected present time if we're targeting the next vsync.
+    return vsyncDeadline + schedule.period();
 }
 
-nsecs_t SurfaceFlinger::calculateExpectedPresentTime(DisplayStatInfo stats) const {
-    // Inflate the expected present time if we're targetting the next vsync.
-    return mVsyncModulator->getVsyncConfig().sfOffset > 0 ? stats.vsyncTime
-                                                          : stats.vsyncTime + stats.vsyncPeriod;
+void SurfaceFlinger::configure() FTL_FAKE_GUARD(kMainThreadContext) {
+    Mutex::Autolock lock(mStateLock);
+    if (configureLocked()) {
+        setTransactionFlags(eDisplayTransactionNeeded);
+    }
 }
 
-bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime)
+bool SurfaceFlinger::commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime)
         FTL_FAKE_GUARD(kMainThreadContext) {
-    // calculate the expected present time once and use the cached
-    // value throughout this frame to make sure all layers are
-    // seeing this same value.
-    if (expectedVsyncTime >= frameTime) {
-        mExpectedPresentTime = expectedVsyncTime;
-    } else {
-        const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(frameTime);
-        mExpectedPresentTime = calculateExpectedPresentTime(stats);
-    }
-
-    const nsecs_t lastScheduledPresentTime = mScheduledPresentTime;
+    // The expectedVsyncTime, which was predicted when this frame was scheduled, is normally in the
+    // future relative to frameTime, but may not be for delayed frames. Adjust mExpectedPresentTime
+    // accordingly, but not mScheduledPresentTime.
+    const TimePoint lastScheduledPresentTime = mScheduledPresentTime;
     mScheduledPresentTime = expectedVsyncTime;
 
-    const auto vsyncIn = [&] {
-        if (!ATRACE_ENABLED()) return 0.f;
-        return (mExpectedPresentTime - systemTime()) / 1e6f;
-    }();
-    ATRACE_FORMAT("%s %" PRId64 " vsyncIn %.2fms%s", __func__, vsyncId, vsyncIn,
+    // Calculate the expected present time once and use the cached value throughout this frame to
+    // make sure all layers are seeing this same value.
+    mExpectedPresentTime = expectedVsyncTime >= frameTime ? expectedVsyncTime
+                                                          : calculateExpectedPresentTime(frameTime);
+
+    ATRACE_FORMAT("%s %" PRId64 " vsyncIn %.2fms%s", __func__, vsyncId.value,
+                  ticks<std::milli, float>(mExpectedPresentTime - TimePoint::now()),
                   mExpectedPresentTime == expectedVsyncTime ? "" : " (adjusted)");
 
+    const Period vsyncPeriod = mScheduler->getVsyncSchedule().period();
+    const FenceTimePtr& previousPresentFence = getPreviousPresentFence(frameTime, vsyncPeriod);
+
     // When Backpressure propagation is enabled we want to give a small grace period
     // for the present fence to fire instead of just giving up on this frame to handle cases
     // where present fence is just about to get signaled.
@@ -2033,7 +2083,8 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
 
     // Pending frames may trigger backpressure propagation.
     const TracedOrdinal<bool> framePending = {"PrevFramePending",
-                                              previousFramePending(graceTimeForPresentFenceMs)};
+                                              isFencePending(previousPresentFence,
+                                                             graceTimeForPresentFenceMs)};
 
     // Frame missed counts for metrics tracking.
     // A frame is missed if the prior frame is still pending. If no longer pending,
@@ -2043,13 +2094,12 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
     // Add some slop to correct for drift. This should generally be
     // smaller than a typical frame duration, but should not be so small
     // that it reports reasonable drift as a missed frame.
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(systemTime());
-    const nsecs_t frameMissedSlop = stats.vsyncPeriod / 2;
-    const nsecs_t previousPresentTime = previousFramePresentTime();
+    const nsecs_t frameMissedSlop = vsyncPeriod.ns() / 2;
+    const nsecs_t previousPresentTime = previousPresentFence->getSignalTime();
     const TracedOrdinal<bool> frameMissed = {"PrevFrameMissed",
                                              framePending ||
                                                      (previousPresentTime >= 0 &&
-                                                      (lastScheduledPresentTime <
+                                                      (lastScheduledPresentTime.ns() <
                                                        previousPresentTime - frameMissedSlop))};
     const TracedOrdinal<bool> hwcFrameMissed = {"PrevHwcFrameMissed",
                                                 mHadDeviceComposition && frameMissed};
@@ -2069,6 +2119,11 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
         mGpuFrameMissedCount++;
     }
 
+    if (mTracingEnabledChanged) {
+        mLayerTracingEnabled = mLayerTracing.isEnabled();
+        mTracingEnabledChanged = false;
+    }
+
     // If we are in the middle of a mode change and the fence hasn't
     // fired yet just wait for the next commit.
     if (mSetActiveModePending) {
@@ -2095,20 +2150,20 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
 
     // Save this once per commit + composite to ensure consistency
     // TODO (b/240619471): consider removing active display check once AOD is fixed
-    const auto activeDisplay =
-            FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(mActiveDisplayToken));
+    const auto activeDisplay = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(mActiveDisplayId));
     mPowerHintSessionEnabled = mPowerAdvisor->usePowerHintSession() && activeDisplay &&
             activeDisplay->getPowerMode() == hal::PowerMode::ON;
     if (mPowerHintSessionEnabled) {
         const auto& display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
-        // get stable vsync period from display mode
-        const nsecs_t vsyncPeriod = display->getActiveMode()->getVsyncPeriod();
+        const Period vsyncPeriod = Period::fromNs(display->getActiveMode().fps.getPeriodNsecs());
         mPowerAdvisor->setCommitStart(frameTime);
         mPowerAdvisor->setExpectedPresentTime(mExpectedPresentTime);
-        const nsecs_t idealSfWorkDuration =
-                mVsyncModulator->getVsyncConfig().sfWorkDuration.count();
-        // Frame delay is how long we should have minus how long we actually have
-        mPowerAdvisor->setFrameDelay(idealSfWorkDuration - (mExpectedPresentTime - frameTime));
+
+        // Frame delay is how long we should have minus how long we actually have.
+        const Duration idealSfWorkDuration = mVsyncModulator->getVsyncConfig().sfWorkDuration;
+        const Duration frameDelay = idealSfWorkDuration - (mExpectedPresentTime - frameTime);
+
+        mPowerAdvisor->setFrameDelay(frameDelay);
         mPowerAdvisor->setTotalFrameTargetWorkDuration(idealSfWorkDuration);
         mPowerAdvisor->setTargetWorkDuration(vsyncPeriod);
 
@@ -2119,11 +2174,6 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
         }
     }
 
-    if (mTracingEnabledChanged) {
-        mLayerTracingEnabled = mLayerTracing.isEnabled();
-        mTracingEnabledChanged = false;
-    }
-
     if (mRefreshRateOverlaySpinner) {
         Mutex::Autolock lock(mStateLock);
         if (const auto display = getDefaultDisplayDeviceLocked()) {
@@ -2134,11 +2184,13 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
     // Composite if transactions were committed, or if requested by HWC.
     bool mustComposite = mMustComposite.exchange(false);
     {
-        mFrameTimeline->setSfWakeUp(vsyncId, frameTime, Fps::fromPeriodNsecs(stats.vsyncPeriod));
+        mFrameTimeline->setSfWakeUp(vsyncId.value, frameTime.ns(),
+                                    Fps::fromPeriodNsecs(vsyncPeriod.ns()));
 
         bool needsTraversal = false;
         if (clearTransactionFlags(eTransactionFlushNeeded)) {
-            needsTraversal |= commitCreatedLayers();
+            needsTraversal |= commitMirrorDisplays(vsyncId);
+            needsTraversal |= commitCreatedLayers(vsyncId);
             needsTraversal |= flushTransactionQueues(vsyncId);
         }
 
@@ -2173,7 +2225,7 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
     // Hold mStateLock as chooseRefreshRateForContent promotes wp<Layer> to sp<Layer>
     // and may eventually call to ~Layer() if it holds the last reference
     {
-        Mutex::Autolock _l(mStateLock);
+        Mutex::Autolock lock(mStateLock);
         mScheduler->chooseRefreshRateForContent();
         setActiveModeInHwcIfNeeded();
     }
@@ -2183,17 +2235,18 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
 
     if (mLayerTracingEnabled && !mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and tracing should only be enabled for debugging.
-        mLayerTracing.notify(mVisibleRegionsDirty, frameTime);
+        mLayerTracing.notify(mVisibleRegionsDirty, frameTime.ns(), vsyncId.value);
     }
+    mLastCommittedVsyncId = vsyncId;
 
     persistDisplayBrightness(mustComposite);
 
     return mustComposite && CC_LIKELY(mBootStage != BootStage::BOOTLOADER);
 }
 
-void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
+void SurfaceFlinger::composite(TimePoint frameTime, VsyncId vsyncId)
         FTL_FAKE_GUARD(kMainThreadContext) {
-    ATRACE_FORMAT("%s %" PRId64, __func__, vsyncId);
+    ATRACE_FORMAT("%s %" PRId64, __func__, vsyncId.value);
 
     compositionengine::CompositionRefreshArgs refreshArgs;
     const auto& displays = FTL_FAKE_GUARD(mStateLock, mDisplays);
@@ -2204,10 +2257,31 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
         displayIds.push_back(display->getId());
     }
     mPowerAdvisor->setDisplays(displayIds);
-    mDrawingState.traverseInZOrder([&refreshArgs](Layer* layer) {
-        if (auto layerFE = layer->getCompositionEngineLayerFE())
-            refreshArgs.layers.push_back(layerFE);
-    });
+
+    const bool updateTaskMetadata = mCompositionEngine->getFeatureFlags().test(
+            compositionengine::Feature::kSnapshotLayerMetadata);
+    if (updateTaskMetadata && (mVisibleRegionsDirty || mLayerMetadataSnapshotNeeded)) {
+        updateLayerMetadataSnapshot();
+        mLayerMetadataSnapshotNeeded = false;
+    }
+
+    if (DOES_CONTAIN_BORDER) {
+        refreshArgs.borderInfoList.clear();
+        mDrawingState.traverse([&refreshArgs](Layer* layer) {
+            if (layer->isBorderEnabled()) {
+                compositionengine::BorderRenderInfo info;
+                info.width = layer->getBorderWidth();
+                info.color = layer->getBorderColor();
+                layer->traverse(LayerVector::StateSet::Drawing, [&info](Layer* ilayer) {
+                    info.layerIds.push_back(ilayer->getSequence());
+                });
+                refreshArgs.borderInfoList.emplace_back(std::move(info));
+            }
+        });
+    }
+
+    refreshArgs.bufferIdsToUncache = std::move(mBufferIdsToUncache);
+
     refreshArgs.layersWithQueuedFrames.reserve(mLayersWithQueuedFrames.size());
     for (auto layer : mLayersWithQueuedFrames) {
         if (auto layerFE = layer->getCompositionEngineLayerFE())
@@ -2222,6 +2296,15 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
 
     refreshArgs.updatingOutputGeometryThisFrame = mVisibleRegionsDirty;
     refreshArgs.updatingGeometryThisFrame = mGeometryDirty.exchange(false) || mVisibleRegionsDirty;
+    std::vector<Layer*> layers;
+
+    mDrawingState.traverseInZOrder([&refreshArgs, &layers](Layer* layer) {
+        if (auto layerFE = layer->getCompositionEngineLayerFE()) {
+            layer->updateSnapshot(refreshArgs.updatingGeometryThisFrame);
+            refreshArgs.layers.push_back(layerFE);
+            layers.push_back(layer);
+        }
+    });
     refreshArgs.blursAreExpensive = mBlursAreExpensive;
     refreshArgs.internalDisplayRotationFlags = DisplayDevice::getPrimaryDisplayRotationFlags();
 
@@ -2237,26 +2320,45 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
         refreshArgs.devOptFlashDirtyRegionsDelay = std::chrono::milliseconds(mDebugFlashDelay);
     }
 
-    const auto expectedPresentTime = mExpectedPresentTime.load();
-    const auto prevVsyncTime = mScheduler->getPreviousVsyncFrom(expectedPresentTime);
+    const auto prevVsyncTime = mExpectedPresentTime - mScheduler->getVsyncSchedule().period();
     const auto hwcMinWorkDuration = mVsyncConfiguration->getCurrentConfigs().hwcMinWorkDuration;
+
     refreshArgs.earliestPresentTime = prevVsyncTime - hwcMinWorkDuration;
     refreshArgs.previousPresentFence = mPreviousPresentFences[0].fenceTime;
     refreshArgs.scheduledFrameTime = mScheduler->getScheduledFrameTime();
-    refreshArgs.expectedPresentTime = expectedPresentTime;
+    refreshArgs.expectedPresentTime = mExpectedPresentTime.ns();
 
     // Store the present time just before calling to the composition engine so we could notify
     // the scheduler.
     const auto presentTime = systemTime();
 
-    mCompositionEngine->present(refreshArgs);
+    {
+        std::vector<LayerSnapshotGuard> layerSnapshotGuards;
+        for (Layer* layer : layers) {
+            layerSnapshotGuards.emplace_back(layer);
+        }
+        mCompositionEngine->present(refreshArgs);
+    }
+
+    for (auto& layer : layers) {
+        CompositionResult compositionResult{
+                layer->getCompositionEngineLayerFE()->stealCompositionResult()};
+        layer->onPreComposition(compositionResult.refreshStartTime);
+        for (auto releaseFence : compositionResult.releaseFences) {
+            layer->onLayerDisplayed(releaseFence);
+        }
+        if (compositionResult.lastClientCompositionFence) {
+            layer->setWasClientComposed(compositionResult.lastClientCompositionFence);
+        }
+    }
 
-    mTimeStats->recordFrameDuration(frameTime, systemTime());
+    mTimeStats->recordFrameDuration(frameTime.ns(), systemTime());
 
     // Send a power hint hint after presentation is finished
     if (mPowerHintSessionEnabled) {
-        mPowerAdvisor->setSfPresentTiming(mPreviousPresentFences[0].fenceTime->getSignalTime(),
-                                          systemTime());
+        mPowerAdvisor->setSfPresentTiming(TimePoint::fromNs(mPreviousPresentFences[0]
+                                                                    .fenceTime->getSignalTime()),
+                                          TimePoint::now());
         if (mPowerHintSessionMode.late) {
             mPowerAdvisor->sendActualWorkDuration();
         }
@@ -2266,7 +2368,6 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
         scheduleComposite(FrameHint::kNone);
     }
 
-    postFrame();
     postComposition();
 
     const bool prevFrameHadClientComposition = mHadClientComposition;
@@ -2296,7 +2397,7 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
     mLayersWithQueuedFrames.clear();
     if (mLayerTracingEnabled && mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and should only be used for debugging.
-        mLayerTracing.notify(mVisibleRegionsDirty, frameTime);
+        mLayerTracing.notify(mVisibleRegionsDirty, frameTime.ns(), vsyncId.value);
     }
 
     mVisibleRegionsWereDirtyThisFrame = mVisibleRegionsDirty; // Cache value for use in post-comp
@@ -2307,7 +2408,7 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
     }
 
     if (mPowerHintSessionEnabled) {
-        mPowerAdvisor->setCompositeEnd(systemTime());
+        mPowerAdvisor->setCompositeEnd(TimePoint::now());
     }
 }
 
@@ -2326,66 +2427,6 @@ void SurfaceFlinger::updateLayerGeometry() {
     mLayersPendingRefresh.clear();
 }
 
-void SurfaceFlinger::updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime,
-                                            std::shared_ptr<FenceTime>& presentFenceTime) {
-    // Update queue of past composite+present times and determine the
-    // most recently known composite to present latency.
-    getBE().mCompositePresentTimes.push({compositeTime, presentFenceTime});
-    nsecs_t compositeToPresentLatency = -1;
-    while (!getBE().mCompositePresentTimes.empty()) {
-        SurfaceFlingerBE::CompositePresentTime& cpt = getBE().mCompositePresentTimes.front();
-        // Cached values should have been updated before calling this method,
-        // which helps avoid duplicate syscalls.
-        nsecs_t displayTime = cpt.display->getCachedSignalTime();
-        if (displayTime == Fence::SIGNAL_TIME_PENDING) {
-            break;
-        }
-        compositeToPresentLatency = displayTime - cpt.composite;
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    // Don't let mCompositePresentTimes grow unbounded, just in case.
-    while (getBE().mCompositePresentTimes.size() > 16) {
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    setCompositorTimingSnapped(stats, compositeToPresentLatency);
-}
-
-void SurfaceFlinger::setCompositorTimingSnapped(const DisplayStatInfo& stats,
-                                                nsecs_t compositeToPresentLatency) {
-    // Avoid division by 0 by defaulting to 60Hz
-    const auto vsyncPeriod = stats.vsyncPeriod ?: (60_Hz).getPeriodNsecs();
-
-    // Integer division and modulo round toward 0 not -inf, so we need to
-    // treat negative and positive offsets differently.
-    nsecs_t idealLatency = (mVsyncConfiguration->getCurrentConfigs().late.sfOffset > 0)
-            ? (vsyncPeriod -
-               (mVsyncConfiguration->getCurrentConfigs().late.sfOffset % vsyncPeriod))
-            : ((-mVsyncConfiguration->getCurrentConfigs().late.sfOffset) % vsyncPeriod);
-
-    // Just in case mVsyncConfiguration->getCurrentConfigs().late.sf == -vsyncInterval.
-    if (idealLatency <= 0) {
-        idealLatency = vsyncPeriod;
-    }
-
-    // Snap the latency to a value that removes scheduling jitter from the
-    // composition and present times, which often have >1ms of jitter.
-    // Reducing jitter is important if an app attempts to extrapolate
-    // something (such as user input) to an accurate diasplay time.
-    // Snapping also allows an app to precisely calculate
-    // mVsyncConfiguration->getCurrentConfigs().late.sf with (presentLatency % interval).
-    const nsecs_t bias = vsyncPeriod / 2;
-    const int64_t extraVsyncs = ((compositeToPresentLatency - idealLatency + bias) / vsyncPeriod);
-    const nsecs_t snappedCompositeToPresentLatency =
-            (extraVsyncs > 0) ? idealLatency + (extraVsyncs * vsyncPeriod) : idealLatency;
-
-    std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-    getBE().mCompositorTiming.deadline = stats.vsyncTime - idealLatency;
-    getBE().mCompositorTiming.interval = vsyncPeriod;
-    getBE().mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
-}
-
 bool SurfaceFlinger::isHdrLayer(Layer* layer) const {
     // Treat all layers as non-HDR if:
     // 1. They do not have a valid HDR dataspace. Currently we treat those as PQ or HLG. and
@@ -2442,7 +2483,7 @@ ui::Rotation SurfaceFlinger::getPhysicalDisplayOrientation(DisplayId displayId,
 
 void SurfaceFlinger::postComposition() {
     ATRACE_CALL();
-    ALOGV("postComposition");
+    ALOGV(__func__);
 
     const auto* display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
 
@@ -2456,40 +2497,41 @@ void SurfaceFlinger::postComposition() {
         glCompositionDoneFenceTime = FenceTime::NO_FENCE;
     }
 
-    for (size_t i = mPreviousPresentFences.size()-1; i >= 1; i--) {
-        mPreviousPresentFences[i] = mPreviousPresentFences[i-1];
-    }
+    mPreviousPresentFences[1] = mPreviousPresentFences[0];
 
-    mPreviousPresentFences[0].fence =
+    auto presentFence =
             display ? getHwComposer().getPresentFence(display->getPhysicalId()) : Fence::NO_FENCE;
-    mPreviousPresentFences[0].fenceTime =
-            std::make_shared<FenceTime>(mPreviousPresentFences[0].fence);
 
-    nsecs_t now = systemTime();
+    auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
+    mPreviousPresentFences[0] = {presentFence, presentFenceTime};
+
+    const TimePoint presentTime = TimePoint::now();
 
     // Set presentation information before calling Layer::releasePendingBuffer, such that jank
     // information from previous' frame classification is already available when sending jank info
     // to clients, so they get jank classification as early as possible.
-    mFrameTimeline->setSfPresent(/* sfPresentTime */ now, mPreviousPresentFences[0].fenceTime,
-                                 glCompositionDoneFenceTime);
-
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(now);
+    mFrameTimeline->setSfPresent(presentTime.ns(), presentFenceTime, glCompositionDoneFenceTime);
 
     // We use the CompositionEngine::getLastFrameRefreshTimestamp() which might
     // be sampled a little later than when we started doing work for this frame,
-    // but that should be okay since updateCompositorTiming has snapping logic.
-    updateCompositorTiming(stats, mCompositionEngine->getLastFrameRefreshTimestamp(),
-                           mPreviousPresentFences[0].fenceTime);
-    CompositorTiming compositorTiming;
-    {
-        std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-        compositorTiming = getBE().mCompositorTiming;
-    }
+    // but that should be okay since CompositorTiming has snapping logic.
+    const TimePoint compositeTime =
+            TimePoint::fromNs(mCompositionEngine->getLastFrameRefreshTimestamp());
+    const Duration presentLatency =
+            mPresentLatencyTracker.trackPendingFrame(compositeTime, presentFenceTime);
+
+    const auto& schedule = mScheduler->getVsyncSchedule();
+    const TimePoint vsyncDeadline = schedule.vsyncDeadlineAfter(presentTime);
+    const Period vsyncPeriod = schedule.period();
+    const nsecs_t vsyncPhase = mVsyncConfiguration->getCurrentConfigs().late.sfOffset;
+
+    const CompositorTiming compositorTiming(vsyncDeadline.ns(), vsyncPeriod.ns(), vsyncPhase,
+                                            presentLatency.ns());
 
     for (const auto& layer: mLayersWithQueuedFrames) {
-        layer->onPostComposition(display, glCompositionDoneFenceTime,
-                                 mPreviousPresentFences[0].fenceTime, compositorTiming);
-        layer->releasePendingBuffer(/*dequeueReadyTime*/ now);
+        layer->onPostComposition(display, glCompositionDoneFenceTime, presentFenceTime,
+                                 compositorTiming);
+        layer->releasePendingBuffer(presentTime.ns());
     }
 
     std::vector<std::pair<std::shared_ptr<compositionengine::Display>, sp<HdrLayerInfoReporter>>>
@@ -2546,13 +2588,22 @@ void SurfaceFlinger::postComposition() {
     mSomeDataspaceChanged = false;
     mVisibleRegionsWereDirtyThisFrame = false;
 
-    mTransactionCallbackInvoker.addPresentFence(mPreviousPresentFences[0].fence);
+    mTransactionCallbackInvoker.addPresentFence(std::move(presentFence));
     mTransactionCallbackInvoker.sendCallbacks(false /* onCommitOnly */);
     mTransactionCallbackInvoker.clearCompletedTransactions();
 
-    if (display && display->isInternal() && display->getPowerMode() == hal::PowerMode::ON &&
-        mPreviousPresentFences[0].fenceTime->isValid()) {
-        mScheduler->addPresentFence(mPreviousPresentFences[0].fenceTime);
+    mTimeStats->incrementTotalFrames();
+    mTimeStats->setPresentFenceGlobal(presentFenceTime);
+
+    const bool isInternalDisplay = display &&
+            FTL_FAKE_GUARD(mStateLock, mPhysicalDisplays)
+                    .get(display->getPhysicalId())
+                    .transform(&PhysicalDisplay::isInternal)
+                    .value_or(false);
+
+    if (isInternalDisplay && display && display->getPowerMode() == hal::PowerMode::ON &&
+        presentFenceTime->isValid()) {
+        mScheduler->addPresentFence(std::move(presentFenceTime));
     }
 
     const bool isDisplayConnected =
@@ -2564,24 +2615,6 @@ void SurfaceFlinger::postComposition() {
         }
     }
 
-    if (mAnimCompositionPending) {
-        mAnimCompositionPending = false;
-
-        if (mPreviousPresentFences[0].fenceTime->isValid()) {
-            mAnimFrameTracker.setActualPresentFence(mPreviousPresentFences[0].fenceTime);
-        } else if (isDisplayConnected) {
-            // The HWC doesn't support present fences, so use the refresh
-            // timestamp instead.
-            const nsecs_t presentTime = display->getRefreshTimestamp();
-            mAnimFrameTracker.setActualPresentTime(presentTime);
-        }
-        mAnimFrameTracker.advanceFrame();
-    }
-
-    mTimeStats->incrementTotalFrames();
-
-    mTimeStats->setPresentFenceGlobal(mPreviousPresentFences[0].fenceTime);
-
     const size_t sfConnections = mScheduler->getEventThreadConnectionCount(mSfConnectionHandle);
     const size_t appConnections = mScheduler->getEventThreadConnectionCount(mAppConnectionHandle);
     mTimeStats->recordDisplayEventConnectionCount(sfConnections + appConnections);
@@ -2591,21 +2624,6 @@ void SurfaceFlinger::postComposition() {
         return;
     }
 
-    nsecs_t currentTime = systemTime();
-    if (mHasPoweredOff) {
-        mHasPoweredOff = false;
-    } else {
-        nsecs_t elapsedTime = currentTime - getBE().mLastSwapTime;
-        size_t numPeriods = static_cast<size_t>(elapsedTime / stats.vsyncPeriod);
-        if (numPeriods < SurfaceFlingerBE::NUM_BUCKETS - 1) {
-            getBE().mFrameBuckets[numPeriods] += elapsedTime;
-        } else {
-            getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] += elapsedTime;
-        }
-        getBE().mTotalTime += elapsedTime;
-    }
-    getBE().mLastSwapTime = currentTime;
-
     // Cleanup any outstanding resources due to rendering a prior frame.
     getRenderEngine().cleanupPostRender();
 
@@ -2632,6 +2650,8 @@ void SurfaceFlinger::postComposition() {
         // getTotalSize returns the total number of buffers that were allocated by SurfaceFlinger
         ATRACE_INT64("Total Buffer Size", GraphicBufferAllocator::get().getTotalSize());
     }
+
+    logFrameStats(presentTime);
 }
 
 FloatRect SurfaceFlinger::getMaxDisplayBounds() {
@@ -2664,16 +2684,6 @@ void SurfaceFlinger::computeLayerBounds() {
     }
 }
 
-void SurfaceFlinger::postFrame() {
-    const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
-    if (display && getHwComposer().isConnected(display->getPhysicalId())) {
-        uint32_t flipCount = display->getPageFlipCount();
-        if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
-            logFrameStats();
-        }
-    }
-}
-
 void SurfaceFlinger::commitTransactions() {
     ATRACE_CALL();
 
@@ -2706,10 +2716,9 @@ std::pair<DisplayModes, DisplayModePtr> SurfaceFlinger::loadDisplayModes(
     do {
         hwcModes = getHwComposer().getModes(displayId);
         activeModeHwcId = getHwComposer().getActiveMode(displayId);
-        LOG_ALWAYS_FATAL_IF(!activeModeHwcId, "HWC returned no active mode");
 
         const auto isActiveMode = [activeModeHwcId](const HWComposer::HWCDisplayMode& mode) {
-            return mode.hwcId == *activeModeHwcId;
+            return mode.hwcId == activeModeHwcId;
         };
 
         if (std::any_of(hwcModes.begin(), hwcModes.end(), isActiveMode)) {
@@ -2717,16 +2726,21 @@ std::pair<DisplayModes, DisplayModePtr> SurfaceFlinger::loadDisplayModes(
         }
     } while (++attempt < kMaxAttempts);
 
-    LOG_ALWAYS_FATAL_IF(attempt == kMaxAttempts,
-                        "After %d attempts HWC still returns an active mode which is not"
-                        " supported. Active mode ID = %" PRIu64 ". Supported modes = %s",
-                        kMaxAttempts, *activeModeHwcId, base::Join(hwcModes, ", ").c_str());
-
-    DisplayModes oldModes;
-    if (const auto token = getPhysicalDisplayTokenLocked(displayId)) {
-        oldModes = getDisplayDeviceLocked(token)->getSupportedModes();
+    if (attempt == kMaxAttempts) {
+        const std::string activeMode =
+                activeModeHwcId ? std::to_string(*activeModeHwcId) : "unknown"s;
+        ALOGE("HWC failed to report an active mode that is supported: activeModeHwcId=%s, "
+              "hwcModes={%s}",
+              activeMode.c_str(), base::Join(hwcModes, ", ").c_str());
+        return {};
     }
 
+    const DisplayModes oldModes = mPhysicalDisplays.get(displayId)
+                                          .transform([](const PhysicalDisplay& display) {
+                                              return display.snapshot().displayModes();
+                                          })
+                                          .value_or(DisplayModes{});
+
     ui::DisplayModeId nextModeId = 1 +
             std::accumulate(oldModes.begin(), oldModes.end(), static_cast<ui::DisplayModeId>(-1),
                             [](ui::DisplayModeId max, const auto& pair) {
@@ -2764,70 +2778,96 @@ std::pair<DisplayModes, DisplayModePtr> SurfaceFlinger::loadDisplayModes(
     return {modes, activeMode};
 }
 
-void SurfaceFlinger::processDisplayHotplugEventsLocked() {
-    for (const auto& event : mPendingHotplugEvents) {
-        std::optional<DisplayIdentificationInfo> info =
-                getHwComposer().onHotplug(event.hwcDisplayId, event.connection);
+bool SurfaceFlinger::configureLocked() {
+    std::vector<HotplugEvent> events;
+    {
+        std::lock_guard<std::mutex> lock(mHotplugMutex);
+        events = std::move(mPendingHotplugEvents);
+    }
 
-        if (!info) {
-            continue;
+    for (const auto [hwcDisplayId, connection] : events) {
+        if (auto info = getHwComposer().onHotplug(hwcDisplayId, connection)) {
+            const auto displayId = info->id;
+            const bool connected = connection == hal::Connection::CONNECTED;
+
+            if (const char* const log =
+                        processHotplug(displayId, hwcDisplayId, connected, std::move(*info))) {
+                ALOGI("%s display %s (HAL ID %" PRIu64 ")", log, to_string(displayId).c_str(),
+                      hwcDisplayId);
+            }
         }
+    }
 
-        const auto displayId = info->id;
-        const auto token = mPhysicalDisplayTokens.get(displayId);
+    return !events.empty();
+}
 
-        if (event.connection == hal::Connection::CONNECTED) {
-            auto [supportedModes, activeMode] = loadDisplayModes(displayId);
+const char* SurfaceFlinger::processHotplug(PhysicalDisplayId displayId,
+                                           hal::HWDisplayId hwcDisplayId, bool connected,
+                                           DisplayIdentificationInfo&& info) {
+    const auto displayOpt = mPhysicalDisplays.get(displayId);
+    if (!connected) {
+        LOG_ALWAYS_FATAL_IF(!displayOpt);
+        const auto& display = displayOpt->get();
 
-            if (!token) {
-                ALOGV("Creating display %s", to_string(displayId).c_str());
+        if (const ssize_t index = mCurrentState.displays.indexOfKey(display.token()); index >= 0) {
+            mCurrentState.displays.removeItemsAt(index);
+        }
 
-                DisplayDeviceState state;
-                state.physical = {.id = displayId,
-                                  .type = getHwComposer().getDisplayConnectionType(displayId),
-                                  .hwcDisplayId = event.hwcDisplayId,
-                                  .deviceProductInfo = std::move(info->deviceProductInfo),
-                                  .supportedModes = std::move(supportedModes),
-                                  .activeMode = std::move(activeMode)};
-                state.isSecure = true; // All physical displays are currently considered secure.
-                state.displayName = std::move(info->name);
+        mPhysicalDisplays.erase(displayId);
+        return "Disconnecting";
+    }
 
-                sp<IBinder> token = new BBinder();
-                mCurrentState.displays.add(token, state);
-                mPhysicalDisplayTokens.try_emplace(displayId, std::move(token));
-                mInterceptor->saveDisplayCreation(state);
-            } else {
-                ALOGV("Recreating display %s", to_string(displayId).c_str());
-
-                auto& state = mCurrentState.displays.editValueFor(token->get());
-                state.sequenceId = DisplayDeviceState{}.sequenceId; // Generate new sequenceId.
-                state.physical->supportedModes = std::move(supportedModes);
-                state.physical->activeMode = std::move(activeMode);
-                if (getHwComposer().updatesDeviceProductInfoOnHotplugReconnect()) {
-                    state.physical->deviceProductInfo = std::move(info->deviceProductInfo);
-                }
-            }
-        } else {
-            ALOGV("Removing display %s", to_string(displayId).c_str());
+    auto [displayModes, activeMode] = loadDisplayModes(displayId);
+    if (!activeMode) {
+        // TODO(b/241286153): Report hotplug failure to the framework.
+        ALOGE("Failed to hotplug display %s", to_string(displayId).c_str());
+        getHwComposer().disconnectDisplay(displayId);
+        return nullptr;
+    }
 
-            if (const ssize_t index = mCurrentState.displays.indexOfKey(token->get()); index >= 0) {
-                const DisplayDeviceState& state = mCurrentState.displays.valueAt(index);
-                mInterceptor->saveDisplayDeletion(state.sequenceId);
-                mCurrentState.displays.removeItemsAt(index);
-            }
+    ui::ColorModes colorModes = getHwComposer().getColorModes(displayId);
 
-            mPhysicalDisplayTokens.erase(displayId);
+    if (displayOpt) {
+        const auto& display = displayOpt->get();
+        const auto& snapshot = display.snapshot();
+
+        std::optional<DeviceProductInfo> deviceProductInfo;
+        if (getHwComposer().updatesDeviceProductInfoOnHotplugReconnect()) {
+            deviceProductInfo = std::move(info.deviceProductInfo);
+        } else {
+            deviceProductInfo = snapshot.deviceProductInfo();
         }
 
-        processDisplayChangesLocked();
+        const auto it =
+                mPhysicalDisplays.try_replace(displayId, display.token(), displayId,
+                                              snapshot.connectionType(), std::move(displayModes),
+                                              std::move(colorModes), std::move(deviceProductInfo));
+
+        auto& state = mCurrentState.displays.editValueFor(it->second.token());
+        state.sequenceId = DisplayDeviceState{}.sequenceId; // Generate new sequenceId.
+        state.physical->activeMode = std::move(activeMode);
+        return "Reconnecting";
     }
 
-    mPendingHotplugEvents.clear();
+    const sp<IBinder> token = sp<BBinder>::make();
+
+    mPhysicalDisplays.try_emplace(displayId, token, displayId,
+                                  getHwComposer().getDisplayConnectionType(displayId),
+                                  std::move(displayModes), std::move(colorModes),
+                                  std::move(info.deviceProductInfo));
+
+    DisplayDeviceState state;
+    state.physical = {.id = displayId,
+                      .hwcDisplayId = hwcDisplayId,
+                      .activeMode = std::move(activeMode)};
+    state.isSecure = true; // All physical displays are currently considered secure.
+    state.displayName = std::move(info.name);
+
+    mCurrentState.displays.add(token, state);
+    return "Connecting";
 }
 
 void SurfaceFlinger::dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected) {
-    ALOGI("Dispatching display hotplug event displayId=%s, connected=%d",
-          to_string(displayId).c_str(), connected);
     mScheduler->onHotplugReceived(mAppConnectionHandle, displayId, connected);
     mScheduler->onHotplugReceived(mSfConnectionHandle, displayId, connected);
 }
@@ -2838,7 +2878,8 @@ sp<DisplayDevice> SurfaceFlinger::setupNewDisplayDeviceInternal(
         const DisplayDeviceState& state,
         const sp<compositionengine::DisplaySurface>& displaySurface,
         const sp<IGraphicBufferProducer>& producer) {
-    DisplayDeviceCreationArgs creationArgs(this, getHwComposer(), displayToken, compositionDisplay);
+    DisplayDeviceCreationArgs creationArgs(sp<SurfaceFlinger>::fromExisting(this), getHwComposer(),
+                                           displayToken, compositionDisplay);
     creationArgs.sequenceId = state.sequenceId;
     creationArgs.isSecure = state.isSecure;
     creationArgs.displaySurface = displaySurface;
@@ -2846,37 +2887,58 @@ sp<DisplayDevice> SurfaceFlinger::setupNewDisplayDeviceInternal(
     creationArgs.supportedPerFrameMetadata = 0;
 
     if (const auto& physical = state.physical) {
-        creationArgs.connectionType = physical->type;
-        creationArgs.supportedModes = physical->supportedModes;
         creationArgs.activeModeId = physical->activeMode->getId();
         const auto [kernelIdleTimerController, idleTimerTimeoutMs] =
                 getKernelIdleTimerProperties(compositionDisplay->getId());
 
-        scheduler::RefreshRateConfigs::Config config =
-                {.enableFrameRateOverride = android::sysprop::enable_frame_rate_override(false),
+        const auto enableFrameRateOverride = [&] {
+            using Config = scheduler::RefreshRateSelector::Config;
+            if (!sysprop::enable_frame_rate_override(false)) {
+                return Config::FrameRateOverride::Disabled;
+            }
+
+            if (sysprop::frame_rate_override_for_native_rates(true)) {
+                return Config::FrameRateOverride::AppOverrideNativeRefreshRates;
+            }
+
+            if (!sysprop::frame_rate_override_global(false)) {
+                return Config::FrameRateOverride::AppOverride;
+            }
+
+            return Config::FrameRateOverride::Enabled;
+        }();
+
+        scheduler::RefreshRateSelector::Config config =
+                {.enableFrameRateOverride = enableFrameRateOverride,
                  .frameRateMultipleThreshold =
                          base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0),
                  .idleTimerTimeout = idleTimerTimeoutMs,
                  .kernelIdleTimerController = kernelIdleTimerController};
-        creationArgs.refreshRateConfigs =
-                std::make_shared<scheduler::RefreshRateConfigs>(creationArgs.supportedModes,
-                                                                creationArgs.activeModeId, config);
-    }
 
-    if (const auto id = PhysicalDisplayId::tryCast(compositionDisplay->getId())) {
-        creationArgs.isPrimary = id == getPrimaryDisplayIdLocked();
+        creationArgs.refreshRateSelector =
+                mPhysicalDisplays.get(physical->id)
+                        .transform(&PhysicalDisplay::snapshotRef)
+                        .transform([&](const display::DisplaySnapshot& snapshot) {
+                            return std::make_shared<
+                                    scheduler::RefreshRateSelector>(snapshot.displayModes(),
+                                                                    creationArgs.activeModeId,
+                                                                    config);
+                        })
+                        .value_or(nullptr);
 
-        if (useColorManagement) {
-            std::vector<ColorMode> modes = getHwComposer().getColorModes(*id);
-            for (ColorMode colorMode : modes) {
-                if (isWideColorMode(colorMode)) {
-                    creationArgs.hasWideColorGamut = true;
-                }
+        creationArgs.isPrimary = physical->id == getPrimaryDisplayIdLocked();
 
-                std::vector<RenderIntent> renderIntents =
-                        getHwComposer().getRenderIntents(*id, colorMode);
-                creationArgs.hwcColorModes.emplace(colorMode, renderIntents);
-            }
+        if (useColorManagement) {
+            mPhysicalDisplays.get(physical->id)
+                    .transform(&PhysicalDisplay::snapshotRef)
+                    .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                        for (const auto mode : snapshot.colorModes()) {
+                            creationArgs.hasWideColorGamut |= ui::isWideColorMode(mode);
+                            creationArgs.hwcColorModes
+                                    .emplace(mode,
+                                             getHwComposer().getRenderIntents(physical->id, mode));
+                        }
+                    }));
         }
     }
 
@@ -2908,23 +2970,29 @@ sp<DisplayDevice> SurfaceFlinger::setupNewDisplayDeviceInternal(
 
     nativeWindowSurface->preallocateBuffers();
 
-    ColorMode defaultColorMode = ColorMode::NATIVE;
+    ui::ColorMode defaultColorMode = ui::ColorMode::NATIVE;
     Dataspace defaultDataSpace = Dataspace::UNKNOWN;
     if (display->hasWideColorGamut()) {
-        defaultColorMode = ColorMode::SRGB;
+        defaultColorMode = ui::ColorMode::SRGB;
         defaultDataSpace = Dataspace::V0_SRGB;
     }
     display->getCompositionDisplay()->setColorProfile(
             compositionengine::Output::ColorProfile{defaultColorMode, defaultDataSpace,
                                                     RenderIntent::COLORIMETRIC,
                                                     Dataspace::UNKNOWN});
-    if (!state.isVirtual()) {
-        FTL_FAKE_GUARD(kMainThreadContext,
-                       display->setActiveMode(state.physical->activeMode->getId()));
-        display->setDeviceProductInfo(state.physical->deviceProductInfo);
+
+    if (const auto& physical = state.physical) {
+        mPhysicalDisplays.get(physical->id)
+                .transform(&PhysicalDisplay::snapshotRef)
+                .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                    FTL_FAKE_GUARD(kMainThreadContext,
+                                   display->setActiveMode(physical->activeMode->getId(),
+                                                          physical->activeMode->getFps(),
+                                                          physical->activeMode->getFps()));
+                }));
     }
 
-    display->setLayerStack(state.layerStack);
+    display->setLayerFilter(makeLayerFilterForDisplay(display->getId(), state.layerStack));
     display->setProjection(state.orientation, state.layerStackSpaceRect,
                            state.orientedDisplaySpaceRect);
     display->setDisplayName(state.displayName);
@@ -3000,11 +3068,18 @@ void SurfaceFlinger::processDisplayAdded(const wp<IBinder>& displayToken,
     LOG_FATAL_IF(!displaySurface);
     auto display = setupNewDisplayDeviceInternal(displayToken, std::move(compositionDisplay), state,
                                                  displaySurface, producer);
-    if (display->isPrimary()) {
-        initScheduler(display);
-    }
-    if (!state.isVirtual()) {
-        dispatchDisplayHotplugEvent(display->getPhysicalId(), true);
+
+    if (mScheduler && !display->isVirtual()) {
+        const auto displayId = display->getPhysicalId();
+        {
+            // TODO(b/241285876): Annotate `processDisplayAdded` instead.
+            ftl::FakeGuard guard(kMainThreadContext);
+
+            // For hotplug reconnect, renew the registration since display modes have been reloaded.
+            mScheduler->registerDisplay(displayId, display->holdRefreshRateSelector());
+        }
+
+        dispatchDisplayHotplugEvent(displayId, true);
     }
 
     mDisplays.try_emplace(displayToken, std::move(display));
@@ -3019,6 +3094,7 @@ void SurfaceFlinger::processDisplayRemoved(const wp<IBinder>& displayToken) {
             releaseVirtualDisplay(display->getVirtualId());
         } else {
             dispatchDisplayHotplugEvent(display->getPhysicalId(), false);
+            mScheduler->unregisterDisplay(display->getPhysicalId());
         }
     }
 
@@ -3080,7 +3156,8 @@ void SurfaceFlinger::processDisplayChanged(const wp<IBinder>& displayToken,
 
     if (const auto display = getDisplayDeviceLocked(displayToken)) {
         if (currentState.layerStack != drawingState.layerStack) {
-            display->setLayerStack(currentState.layerStack);
+            display->setLayerFilter(
+                    makeLayerFilterForDisplay(display->getId(), currentState.layerStack));
         }
         if (currentState.flags != drawingState.flags) {
             display->setFlags(currentState.flags);
@@ -3090,7 +3167,7 @@ void SurfaceFlinger::processDisplayChanged(const wp<IBinder>& displayToken,
             (currentState.orientedDisplaySpaceRect != drawingState.orientedDisplaySpaceRect)) {
             display->setProjection(currentState.orientation, currentState.layerStackSpaceRect,
                                    currentState.orientedDisplaySpaceRect);
-            if (isDisplayActiveLocked(display)) {
+            if (display->getId() == mActiveDisplayId) {
                 mActiveDisplayTransformHint = display->getTransformHint();
             }
         }
@@ -3098,15 +3175,16 @@ void SurfaceFlinger::processDisplayChanged(const wp<IBinder>& displayToken,
             currentState.height != drawingState.height) {
             display->setDisplaySize(currentState.width, currentState.height);
 
-            if (isDisplayActiveLocked(display)) {
+            if (display->getId() == mActiveDisplayId) {
                 onActiveDisplaySizeChanged(display);
             }
         }
     }
 }
+
 void SurfaceFlinger::updateInternalDisplayVsyncLocked(const sp<DisplayDevice>& activeDisplay) {
     mVsyncConfiguration->reset();
-    const Fps refreshRate = activeDisplay->refreshRateConfigs().getActiveMode()->getFps();
+    const Fps refreshRate = activeDisplay->getActiveMode().fps;
     updatePhaseConfiguration(refreshRate);
     mRefreshRateStats->setRefreshRate(refreshRate);
 }
@@ -3119,6 +3197,7 @@ void SurfaceFlinger::processDisplayChangesLocked() {
     const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
     if (!curr.isIdenticalTo(draw)) {
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
 
         // find the displays that were removed
         // (ie: in drawing state but not in current state)
@@ -3156,13 +3235,17 @@ void SurfaceFlinger::commitTransactionsLocked(uint32_t transactionFlags) {
     const bool displayTransactionNeeded = transactionFlags & eDisplayTransactionNeeded;
     if (displayTransactionNeeded) {
         processDisplayChangesLocked();
-        processDisplayHotplugEventsLocked();
+        mFrontEndDisplayInfos.clear();
+        for (const auto& [_, display] : mDisplays) {
+            mFrontEndDisplayInfos.try_emplace(display->getLayerStack(), display->getFrontEndInfo());
+        }
     }
     mForceTransactionDisplayChange = displayTransactionNeeded;
 
     if (mSomeChildrenChanged) {
         mVisibleRegionsDirty = true;
         mSomeChildrenChanged = false;
+        mUpdateInputInfo = true;
     }
 
     // Update transform hint.
@@ -3207,14 +3290,19 @@ void SurfaceFlinger::commitTransactionsLocked(uint32_t transactionFlags) {
             if (!hintDisplay) {
                 // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
                 // redraw after transform hint changes. See bug 8508397.
-
                 // could be null when this layer is using a layerStack
                 // that is not visible on any display. Also can occur at
                 // screen off/on times.
-                hintDisplay = getDefaultDisplayDeviceLocked();
+                // U Update: Don't provide stale hints to the clients. For
+                // special cases where we want the app to draw its
+                // first frame before the display is available, we rely
+                // on WMS and DMS to provide the right information
+                // so the client can calculate the hint.
+                ALOGV("Skipping reporting transform hint update for %s", layer->getDebugName());
+                layer->skipReportingTransformHint();
+            } else {
+                layer->updateTransformHint(hintDisplay->getTransformHint());
             }
-
-            layer->updateTransformHint(hintDisplay->getTransformHint());
         });
     }
 
@@ -3222,6 +3310,7 @@ void SurfaceFlinger::commitTransactionsLocked(uint32_t transactionFlags) {
         mLayersAdded = false;
         // Layers have been added.
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
     }
 
     // some layers might have been removed, so
@@ -3229,19 +3318,18 @@ void SurfaceFlinger::commitTransactionsLocked(uint32_t transactionFlags) {
     if (mLayersRemoved) {
         mLayersRemoved = false;
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
         mDrawingState.traverseInZOrder([&](Layer* layer) {
-            if (mLayersPendingRemoval.indexOf(layer) >= 0) {
+            if (mLayersPendingRemoval.indexOf(sp<Layer>::fromExisting(layer)) >= 0) {
                 // this layer is not visible anymore
                 Region visibleReg;
                 visibleReg.set(layer->getScreenBounds());
-                invalidateLayerStack(layer, visibleReg);
+                invalidateLayerStack(sp<Layer>::fromExisting(layer), visibleReg);
             }
         });
     }
 
     doCommitTransactions();
-    signalSynchronousTransactions(CountDownLatch::eSyncTransaction);
-    mAnimTransactionPending = false;
 }
 
 void SurfaceFlinger::updateInputFlinger() {
@@ -3253,14 +3341,14 @@ void SurfaceFlinger::updateInputFlinger() {
     std::vector<WindowInfo> windowInfos;
     std::vector<DisplayInfo> displayInfos;
     bool updateWindowInfo = false;
-    if (mVisibleRegionsDirty || mInputInfoChanged) {
-        mInputInfoChanged = false;
+    if (mUpdateInputInfo) {
+        mUpdateInputInfo = false;
         updateWindowInfo = true;
         buildWindowInfos(windowInfos, displayInfos);
-    }
-    if (!updateWindowInfo && mInputWindowCommands.empty()) {
+    } else if (mInputWindowCommands.empty()) {
         return;
     }
+
     BackgroundExecutor::getInstance().sendCallbacks({[updateWindowInfo,
                                                       windowInfos = std::move(windowInfos),
                                                       displayInfos = std::move(displayInfos),
@@ -3269,12 +3357,17 @@ void SurfaceFlinger::updateInputFlinger() {
                                                       inputFlinger = mInputFlinger, this]() {
         ATRACE_NAME("BackgroundExecutor::updateInputFlinger");
         if (updateWindowInfo) {
-            mWindowInfosListenerInvoker->windowInfosChanged(windowInfos, displayInfos,
-                                                            inputWindowCommands.syncInputWindows);
-        } else if (inputWindowCommands.syncInputWindows) {
-            // If the caller requested to sync input windows, but there are no
-            // changes to input windows, notify immediately.
-            windowInfosReported();
+            mWindowInfosListenerInvoker
+                    ->windowInfosChanged(windowInfos, displayInfos,
+                                         inputWindowCommands.windowInfosReportedListeners);
+        } else {
+            // If there are listeners but no changes to input windows, call the listeners
+            // immediately.
+            for (const auto& listener : inputWindowCommands.windowInfosReportedListeners) {
+                if (IInterface::asBinder(listener)->isBinderAlive()) {
+                    listener->onWindowInfosReported();
+                }
+            }
         }
         for (const auto& focusRequest : inputWindowCommands.focusRequests) {
             inputFlinger->setFocusedWindow(focusRequest);
@@ -3306,7 +3399,7 @@ void SurfaceFlinger::persistDisplayBrightness(bool needsComposite) {
 
                 ALOGE_IF(error != NO_ERROR,
                          "Error setting display brightness for display %s: %d (%s)",
-                         display->getDebugName().c_str(), error, strerror(error));
+                         to_string(display->getId()).c_str(), error, strerror(error));
             }
             display->persistBrightness(needsComposite);
         }
@@ -3315,29 +3408,6 @@ void SurfaceFlinger::persistDisplayBrightness(bool needsComposite) {
 
 void SurfaceFlinger::buildWindowInfos(std::vector<WindowInfo>& outWindowInfos,
                                       std::vector<DisplayInfo>& outDisplayInfos) {
-    ftl::SmallMap<ui::LayerStack, DisplayDevice::InputInfo, 4> displayInputInfos;
-
-    for (const auto& [_, display] : FTL_FAKE_GUARD(mStateLock, mDisplays)) {
-        const auto layerStack = display->getLayerStack();
-        const auto info = display->getInputInfo();
-
-        const auto [it, emplaced] = displayInputInfos.try_emplace(layerStack, info);
-        if (emplaced) {
-            continue;
-        }
-
-        // If the layer stack is mirrored on multiple displays, the first display that is configured
-        // to receive input takes precedence.
-        auto& otherInfo = it->second;
-        if (otherInfo.receivesInput) {
-            ALOGW_IF(display->receivesInput(),
-                     "Multiple displays claim to accept input for the same layer stack: %u",
-                     layerStack.id);
-        } else {
-            otherInfo = info;
-        }
-    }
-
     static size_t sNumWindowInfos = 0;
     outWindowInfos.reserve(sNumWindowInfos);
     sNumWindowInfos = 0;
@@ -3345,17 +3415,18 @@ void SurfaceFlinger::buildWindowInfos(std::vector<WindowInfo>& outWindowInfos,
     mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
         if (!layer->needsInputInfo()) return;
 
-        const auto opt = displayInputInfos.get(layer->getLayerStack(),
-                                               [](const auto& info) -> Layer::InputDisplayArgs {
-                                                   return {&info.transform, info.isSecure};
-                                               });
+        const auto opt = mFrontEndDisplayInfos.get(layer->getLayerStack())
+                                 .transform([](const frontend::DisplayInfo& info) {
+                                     return Layer::InputDisplayArgs{&info.transform, info.isSecure};
+                                 });
+
         outWindowInfos.push_back(layer->fillInputInfo(opt.value_or(Layer::InputDisplayArgs{})));
     });
 
     sNumWindowInfos = outWindowInfos.size();
 
-    outDisplayInfos.reserve(displayInputInfos.size());
-    for (const auto& [_, info] : displayInputInfos) {
+    outDisplayInfos.reserve(mFrontEndDisplayInfos.size());
+    for (const auto& [_, info] : mFrontEndDisplayInfos) {
         outDisplayInfos.push_back(info.info);
     }
 }
@@ -3368,28 +3439,45 @@ void SurfaceFlinger::updateCursorAsync() {
         }
     }
 
+    std::vector<LayerSnapshotGuard> layerSnapshotGuards;
+    mDrawingState.traverse([&layerSnapshotGuards](Layer* layer) {
+        if (layer->getLayerSnapshot()->compositionType ==
+            aidl::android::hardware::graphics::composer3::Composition::CURSOR) {
+            layer->updateSnapshot(false /* updateGeometry */);
+            layerSnapshotGuards.emplace_back(layer);
+        }
+    });
+
     mCompositionEngine->updateCursorAsync(refreshArgs);
 }
 
-void SurfaceFlinger::requestDisplayMode(DisplayModePtr mode, DisplayModeEvent event) {
+void SurfaceFlinger::requestDisplayModes(std::vector<display::DisplayModeRequest> modeRequests) {
+    if (mBootStage != BootStage::FINISHED) {
+        ALOGV("Currently in the boot stage, skipping display mode changes");
+        return;
+    }
+
+    ATRACE_CALL();
+
     // If this is called from the main thread mStateLock must be locked before
     // Currently the only way to call this function from the main thread is from
     // Scheduler::chooseRefreshRateForContent
 
     ConditionalLock lock(mStateLock, std::this_thread::get_id() != mMainThreadId);
 
-    const auto display = getDefaultDisplayDeviceLocked();
-    if (!display || mBootStage != BootStage::FINISHED) {
-        return;
-    }
-    ATRACE_CALL();
+    for (auto& request : modeRequests) {
+        const auto& modePtr = request.mode.modePtr;
+        const auto display = getDisplayDeviceLocked(modePtr->getPhysicalDisplayId());
 
-    if (!display->refreshRateConfigs().isModeAllowed(mode->getId())) {
-        ALOGV("Skipping disallowed mode %d", mode->getId().value());
-        return;
-    }
+        if (!display) continue;
 
-    setDesiredActiveMode({std::move(mode), event});
+        if (display->refreshRateSelector().isModeAllowed(request.mode)) {
+            setDesiredActiveMode(std::move(request));
+        } else {
+            ALOGV("%s: Mode %d is disallowed for display %s", __func__, modePtr->getId().value(),
+                  to_string(display->getId()).c_str());
+        }
+    }
 }
 
 void SurfaceFlinger::triggerOnFrameRateOverridesChanged() {
@@ -3401,20 +3489,16 @@ void SurfaceFlinger::triggerOnFrameRateOverridesChanged() {
     mScheduler->onFrameRateOverridesChanged(mAppConnectionHandle, displayId);
 }
 
-void SurfaceFlinger::initScheduler(const sp<DisplayDevice>& display) {
-    if (mScheduler) {
-        // If the scheduler is already initialized, this means that we received
-        // a hotplug(connected) on the primary display. In that case we should
-        // update the scheduler with the most recent display information.
-        ALOGW("Scheduler already initialized, updating instead");
-        mScheduler->setRefreshRateConfigs(display->holdRefreshRateConfigs());
-        return;
-    }
-    const auto currRefreshRate = display->getActiveMode()->getFps();
-    mRefreshRateStats = std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, currRefreshRate,
-                                                                      hal::PowerMode::OFF);
+void SurfaceFlinger::initScheduler(const sp<const DisplayDevice>& display) {
+    LOG_ALWAYS_FATAL_IF(mScheduler);
 
-    mVsyncConfiguration = getFactory().createVsyncConfiguration(currRefreshRate);
+    const auto activeMode = display->refreshRateSelector().getActiveMode();
+    const Fps activeRefreshRate = activeMode.fps;
+    mRefreshRateStats =
+            std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, activeRefreshRate,
+                                                          hal::PowerMode::OFF);
+
+    mVsyncConfiguration = getFactory().createVsyncConfiguration(activeRefreshRate);
     mVsyncModulator = sp<VsyncModulator>::make(mVsyncConfiguration->getCurrentConfigs());
 
     using Feature = scheduler::Feature;
@@ -3430,51 +3514,37 @@ void SurfaceFlinger::initScheduler(const sp<DisplayDevice>& display) {
         !getHwComposer().hasCapability(Capability::PRESENT_FENCE_IS_NOT_RELIABLE)) {
         features |= Feature::kPresentFences;
     }
+    if (display->refreshRateSelector().kernelIdleTimerController()) {
+        features |= Feature::kKernelIdleTimer;
+    }
 
     mScheduler = std::make_unique<scheduler::Scheduler>(static_cast<ICompositor&>(*this),
                                                         static_cast<ISchedulerCallback&>(*this),
                                                         features);
-    {
-        auto configs = display->holdRefreshRateConfigs();
-        if (configs->kernelIdleTimerController().has_value()) {
-            features |= Feature::kKernelIdleTimer;
-        }
+    mScheduler->createVsyncSchedule(features);
+    mScheduler->registerDisplay(display->getPhysicalId(), display->holdRefreshRateSelector());
 
-        mScheduler->createVsyncSchedule(features);
-        mScheduler->setRefreshRateConfigs(std::move(configs));
-    }
     setVsyncEnabled(false);
     mScheduler->startTimers();
 
     const auto configs = mVsyncConfiguration->getCurrentConfigs();
-    const nsecs_t vsyncPeriod = currRefreshRate.getPeriodNsecs();
+    const nsecs_t vsyncPeriod = activeRefreshRate.getPeriodNsecs();
     mAppConnectionHandle =
             mScheduler->createConnection("app", mFrameTimeline->getTokenManager(),
                                          /*workDuration=*/configs.late.appWorkDuration,
-                                         /*readyDuration=*/configs.late.sfWorkDuration,
-                                         impl::EventThread::InterceptVSyncsCallback());
+                                         /*readyDuration=*/configs.late.sfWorkDuration);
     mSfConnectionHandle =
             mScheduler->createConnection("appSf", mFrameTimeline->getTokenManager(),
                                          /*workDuration=*/std::chrono::nanoseconds(vsyncPeriod),
-                                         /*readyDuration=*/configs.late.sfWorkDuration,
-                                         [this](nsecs_t timestamp) {
-                                             mInterceptor->saveVSyncEvent(timestamp);
-                                         });
+                                         /*readyDuration=*/configs.late.sfWorkDuration);
 
-    mScheduler->initVsync(mScheduler->getVsyncDispatch(), *mFrameTimeline->getTokenManager(),
-                          configs.late.sfWorkDuration);
+    mScheduler->initVsync(mScheduler->getVsyncSchedule().getDispatch(),
+                          *mFrameTimeline->getTokenManager(), configs.late.sfWorkDuration);
 
     mRegionSamplingThread =
-            new RegionSamplingThread(*this, RegionSamplingThread::EnvironmentTimingTunables());
-    mFpsReporter = new FpsReporter(*mFrameTimeline, *this);
-    // Dispatch a mode change request for the primary display on scheduler
-    // initialization, so that the EventThreads always contain a reference to a
-    // prior configuration.
-    //
-    // This is a bit hacky, but this avoids a back-pointer into the main SF
-    // classes from EventThread, and there should be no run-time binder cost
-    // anyway since there are no connected apps at this point.
-    mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, display->getActiveMode());
+            sp<RegionSamplingThread>::make(*this,
+                                           RegionSamplingThread::EnvironmentTimingTunables());
+    mFpsReporter = sp<FpsReporter>::make(*mFrameTimeline, *this);
 }
 
 void SurfaceFlinger::updatePhaseConfiguration(const Fps& refreshRate) {
@@ -3524,10 +3594,6 @@ void SurfaceFlinger::doCommitTransactions() {
         mLayersPendingRemoval.clear();
     }
 
-    // If this transaction is part of a window animation then the next frame
-    // we composite should be considered an animation as well.
-    mAnimCompositionPending = mAnimTransactionPending;
-
     mDrawingState = mCurrentState;
     // clear the "changed" flags in current state
     mCurrentState.colorMatrixChanged = false;
@@ -3573,8 +3639,6 @@ bool SurfaceFlinger::latchBuffers() {
     bool frameQueued = false;
     bool newDataLatched = false;
 
-    const nsecs_t expectedPresentTime = mExpectedPresentTime.load();
-
     // Store the set of layers that need updates. This set must not change as
     // buffers are being latched, as this could result in a deadlock.
     // Example: Two producers share the same command stream and:
@@ -3594,12 +3658,7 @@ bool SurfaceFlinger::latchBuffers() {
 
         if (layer->hasReadyFrame()) {
             frameQueued = true;
-            if (layer->shouldPresentNow(expectedPresentTime)) {
-                mLayersWithQueuedFrames.emplace(layer);
-            } else {
-                ATRACE_NAME("!layer->shouldPresentNow()");
-                layer->useEmptyDamage();
-            }
+            mLayersWithQueuedFrames.emplace(sp<Layer>::fromExisting(layer));
         } else {
             layer->useEmptyDamage();
         }
@@ -3620,7 +3679,7 @@ bool SurfaceFlinger::latchBuffers() {
         Mutex::Autolock lock(mStateLock);
 
         for (const auto& layer : mLayersWithQueuedFrames) {
-            if (layer->latchBuffer(visibleRegions, latchTime, expectedPresentTime)) {
+            if (layer->latchBuffer(visibleRegions, latchTime)) {
                 mLayersPendingRefresh.push_back(layer);
                 newDataLatched = true;
             }
@@ -3651,12 +3710,12 @@ bool SurfaceFlinger::latchBuffers() {
     return !mLayersWithQueuedFrames.empty() && newDataLatched;
 }
 
-status_t SurfaceFlinger::addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
+status_t SurfaceFlinger::addClientLayer(const LayerCreationArgs& args, const sp<IBinder>& handle,
                                         const sp<Layer>& layer, const wp<Layer>& parent,
-                                        bool addToRoot, uint32_t* outTransformHint) {
-    if (mNumLayers >= ISurfaceComposer::MAX_LAYERS) {
+                                        uint32_t* outTransformHint) {
+    if (mNumLayers >= MAX_LAYERS) {
         ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers.load(),
-              ISurfaceComposer::MAX_LAYERS);
+              MAX_LAYERS);
         static_cast<void>(mScheduler->schedule([=] {
             ALOGE("Dumping random sampling of on-screen layers: ");
             mDrawingState.traverse([&](Layer *layer) {
@@ -3677,18 +3736,14 @@ status_t SurfaceFlinger::addClientLayer(const sp<Client>& client, const sp<IBind
         return NO_MEMORY;
     }
 
-    {
-        std::scoped_lock<std::mutex> lock(mCreatedLayersLock);
-        mCreatedLayers.emplace_back(layer, parent, addToRoot);
-    }
-
     layer->updateTransformHint(mActiveDisplayTransformHint);
     if (outTransformHint) {
         *outTransformHint = mActiveDisplayTransformHint;
     }
-    // attach this layer to the client
-    if (client != nullptr) {
-        client->attachLayer(handle, layer);
+
+    {
+        std::scoped_lock<std::mutex> lock(mCreatedLayersLock);
+        mCreatedLayers.emplace_back(layer, parent, args.addToRoot);
     }
 
     setTransactionFlags(eTransactionNeeded);
@@ -3712,194 +3767,125 @@ void SurfaceFlinger::setTransactionFlags(uint32_t mask, TransactionSchedule sche
     }
 }
 
-bool SurfaceFlinger::stopTransactionProcessing(
-        const std::unordered_set<sp<IBinder>, SpHash<IBinder>>&
-                applyTokensWithUnsignaledTransactions) const {
-    if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::AutoSingleLayer) {
-        // if we are in LatchUnsignaledConfig::AutoSingleLayer
-        // then we should have only one applyToken for processing.
-        // so we can stop further transactions on this applyToken.
-        return !applyTokensWithUnsignaledTransactions.empty();
-    }
-
-    return false;
-}
-
-int SurfaceFlinger::flushUnsignaledPendingTransactionQueues(
-        std::vector<TransactionState>& transactions,
-        std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-        std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions) {
-    return flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                                         applyTokensWithUnsignaledTransactions,
-                                         /*tryApplyUnsignaled*/ true);
-}
-
-int SurfaceFlinger::flushPendingTransactionQueues(
-        std::vector<TransactionState>& transactions,
-        std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-        std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions,
-        bool tryApplyUnsignaled) {
-    int transactionsPendingBarrier = 0;
-    auto it = mPendingTransactionQueues.begin();
-    while (it != mPendingTransactionQueues.end()) {
-        auto& [applyToken, transactionQueue] = *it;
-        while (!transactionQueue.empty()) {
-            if (stopTransactionProcessing(applyTokensWithUnsignaledTransactions)) {
-                ATRACE_NAME("stopTransactionProcessing");
-                break;
-            }
+TransactionHandler::TransactionReadiness SurfaceFlinger::transactionReadyTimelineCheck(
+        const TransactionHandler::TransactionFlushState& flushState) {
+    using TransactionReadiness = TransactionHandler::TransactionReadiness;
+    const auto& transaction = *flushState.transaction;
+    ATRACE_FORMAT("transactionIsReadyToBeApplied vsyncId: %" PRId64,
+                  transaction.frameTimelineInfo.vsyncId);
+    TimePoint desiredPresentTime = TimePoint::fromNs(transaction.desiredPresentTime);
+    // Do not present if the desiredPresentTime has not passed unless it is more than
+    // one second in the future. We ignore timestamps more than 1 second in the future
+    // for stability reasons.
+    if (!transaction.isAutoTimestamp && desiredPresentTime >= mExpectedPresentTime &&
+        desiredPresentTime < mExpectedPresentTime + 1s) {
+        ATRACE_NAME("not current");
+        return TransactionReadiness::NotReady;
+    }
 
-            auto& transaction = transactionQueue.front();
-            const auto ready =
-                transactionIsReadyToBeApplied(transaction,
-                                              transaction.frameTimelineInfo,
-                                              transaction.isAutoTimestamp,
-                                              transaction.desiredPresentTime,
-                                              transaction.originUid, transaction.states,
-                                              bufferLayersReadyToPresent, transactions.size(),
-                                              tryApplyUnsignaled);
-            ATRACE_INT("TransactionReadiness", static_cast<int>(ready));
-            if (ready == TransactionReadiness::NotReady) {
-                setTransactionFlags(eTransactionFlushNeeded);
-                break;
-            }
-            if (ready == TransactionReadiness::NotReadyBarrier) {
-                transactionsPendingBarrier++;
-                setTransactionFlags(eTransactionFlushNeeded);
-                break;
+    if (!mScheduler->isVsyncValid(mExpectedPresentTime, transaction.originUid)) {
+        ATRACE_NAME("!isVsyncValid");
+        return TransactionReadiness::NotReady;
+    }
+
+    // If the client didn't specify desiredPresentTime, use the vsyncId to determine the
+    // expected present time of this transaction.
+    if (transaction.isAutoTimestamp &&
+        frameIsEarly(mExpectedPresentTime, VsyncId{transaction.frameTimelineInfo.vsyncId})) {
+        ATRACE_NAME("frameIsEarly");
+        return TransactionReadiness::NotReady;
+    }
+    return TransactionReadiness::Ready;
+}
+
+TransactionHandler::TransactionReadiness SurfaceFlinger::transactionReadyBufferCheck(
+        const TransactionHandler::TransactionFlushState& flushState) {
+    using TransactionReadiness = TransactionHandler::TransactionReadiness;
+    auto ready = TransactionReadiness::Ready;
+    flushState.transaction->traverseStatesWithBuffersWhileTrue([&](const layer_state_t& s) -> bool {
+        sp<Layer> layer = LayerHandle::getLayer(s.surface);
+        const auto& transaction = *flushState.transaction;
+        // check for barrier frames
+        if (s.bufferData->hasBarrier &&
+            ((layer->getDrawingState().frameNumber) < s.bufferData->barrierFrameNumber)) {
+            const bool willApplyBarrierFrame =
+                    flushState.bufferLayersReadyToPresent.contains(s.surface.get()) &&
+                    (flushState.bufferLayersReadyToPresent.get(s.surface.get()) >=
+                     s.bufferData->barrierFrameNumber);
+            if (!willApplyBarrierFrame) {
+                ATRACE_NAME("NotReadyBarrier");
+                ready = TransactionReadiness::NotReadyBarrier;
+                return false;
             }
-            transaction.traverseStatesWithBuffers([&](const layer_state_t& state) {
-                const bool frameNumberChanged = state.bufferData->flags.test(
-                        BufferData::BufferDataChange::frameNumberChanged);
-                if (frameNumberChanged) {
-                    bufferLayersReadyToPresent[state.surface] = state.bufferData->frameNumber;
-                } else {
-                    // Barrier function only used for BBQ which always includes a frame number
-                    bufferLayersReadyToPresent[state.surface] =
-                        std::numeric_limits<uint64_t>::max();
+        }
+
+        // If backpressure is enabled and we already have a buffer to commit, keep
+        // the transaction in the queue.
+        const bool hasPendingBuffer =
+                flushState.bufferLayersReadyToPresent.contains(s.surface.get());
+        if (layer->backpressureEnabled() && hasPendingBuffer && transaction.isAutoTimestamp) {
+            ATRACE_NAME("hasPendingBuffer");
+            ready = TransactionReadiness::NotReady;
+            return false;
+        }
+
+        // check fence status
+        const bool allowLatchUnsignaled = shouldLatchUnsignaled(layer, s, transaction.states.size(),
+                                                                flushState.firstTransaction);
+        ATRACE_FORMAT("%s allowLatchUnsignaled=%s", layer->getName().c_str(),
+                      allowLatchUnsignaled ? "true" : "false");
+
+        const bool acquireFenceChanged = s.bufferData &&
+                s.bufferData->flags.test(BufferData::BufferDataChange::fenceChanged) &&
+                s.bufferData->acquireFence;
+        const bool fenceSignaled =
+                (!acquireFenceChanged ||
+                 s.bufferData->acquireFence->getStatus() != Fence::Status::Unsignaled);
+        if (!fenceSignaled) {
+            if (!allowLatchUnsignaled) {
+                ready = TransactionReadiness::NotReady;
+                auto& listener = s.bufferData->releaseBufferListener;
+                if (listener &&
+                    (flushState.queueProcessTime - transaction.postTime) >
+                            std::chrono::nanoseconds(4s).count()) {
+                    mTransactionHandler
+                            .onTransactionQueueStalled(transaction.id, listener,
+                                                       "Buffer processing hung up due to stuck "
+                                                       "fence. Indicates GPU hang");
                 }
-            });
-            const bool appliedUnsignaled = (ready == TransactionReadiness::ReadyUnsignaled);
-            if (appliedUnsignaled) {
-                applyTokensWithUnsignaledTransactions.insert(transaction.applyToken);
+                return false;
             }
 
-            transactions.emplace_back(std::move(transaction));
-            transactionQueue.pop();
+            ready = enableLatchUnsignaledConfig == LatchUnsignaledConfig::AutoSingleLayer
+                    ? TransactionReadiness::ReadyUnsignaledSingle
+                    : TransactionReadiness::ReadyUnsignaled;
         }
+        return true;
+    });
+    ATRACE_INT("TransactionReadiness", static_cast<int>(ready));
+    return ready;
+}
 
-        if (transactionQueue.empty()) {
-            it = mPendingTransactionQueues.erase(it);
-            mTransactionQueueCV.broadcast();
-        } else {
-            it = std::next(it, 1);
-        }
-    }
-    return transactionsPendingBarrier;
+void SurfaceFlinger::addTransactionReadyFilters() {
+    mTransactionHandler.addTransactionReadyFilter(
+            std::bind(&SurfaceFlinger::transactionReadyTimelineCheck, this, std::placeholders::_1));
+    mTransactionHandler.addTransactionReadyFilter(
+            std::bind(&SurfaceFlinger::transactionReadyBufferCheck, this, std::placeholders::_1));
 }
 
-bool SurfaceFlinger::flushTransactionQueues(int64_t vsyncId) {
+bool SurfaceFlinger::flushTransactionQueues(VsyncId vsyncId) {
     // to prevent onHandleDestroyed from being called while the lock is held,
     // we must keep a copy of the transactions (specifically the composer
     // states) around outside the scope of the lock
-    std::vector<TransactionState> transactions;
-    // Layer handles that have transactions with buffers that are ready to be applied.
-    std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>> bufferLayersReadyToPresent;
-    std::unordered_set<sp<IBinder>, SpHash<IBinder>> applyTokensWithUnsignaledTransactions;
+    std::vector<TransactionState> transactions = mTransactionHandler.flushTransactions();
     {
         Mutex::Autolock _l(mStateLock);
-        {
-            Mutex::Autolock _l(mQueueLock);
-
-            int lastTransactionsPendingBarrier = 0;
-            int transactionsPendingBarrier = 0;
-            // First collect transactions from the pending transaction queues.
-            // We are not allowing unsignaled buffers here as we want to
-            // collect all the transactions from applyTokens that are ready first.
-            transactionsPendingBarrier =
-                    flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                            applyTokensWithUnsignaledTransactions, /*tryApplyUnsignaled*/ false);
-
-            // Second, collect transactions from the transaction queue.
-            // Here as well we are not allowing unsignaled buffers for the same
-            // reason as above.
-            while (!mTransactionQueue.empty()) {
-                auto& transaction = mTransactionQueue.front();
-                const bool pendingTransactions =
-                        mPendingTransactionQueues.find(transaction.applyToken) !=
-                        mPendingTransactionQueues.end();
-                const auto ready = [&]() REQUIRES(mStateLock) {
-                    if (pendingTransactions) {
-                        ATRACE_NAME("pendingTransactions");
-                        return TransactionReadiness::NotReady;
-                    }
-
-                    return transactionIsReadyToBeApplied(transaction, transaction.frameTimelineInfo,
-                                                         transaction.isAutoTimestamp,
-                                                         transaction.desiredPresentTime,
-                                                         transaction.originUid, transaction.states,
-                                                         bufferLayersReadyToPresent,
-                                                         transactions.size(),
-                                                         /*tryApplyUnsignaled*/ false);
-                }();
-                ATRACE_INT("TransactionReadiness", static_cast<int>(ready));
-                if (ready != TransactionReadiness::Ready) {
-                    if (ready == TransactionReadiness::NotReadyBarrier) {
-                        transactionsPendingBarrier++;
-                    }
-                    mPendingTransactionQueues[transaction.applyToken].push(std::move(transaction));
-                } else {
-                    transaction.traverseStatesWithBuffers([&](const layer_state_t& state) {
-                        const bool frameNumberChanged = state.bufferData->flags.test(
-                                BufferData::BufferDataChange::frameNumberChanged);
-                        if (frameNumberChanged) {
-                            bufferLayersReadyToPresent[state.surface] = state.bufferData->frameNumber;
-                        } else {
-                            // Barrier function only used for BBQ which always includes a frame number.
-                            // This value only used for barrier logic.
-                            bufferLayersReadyToPresent[state.surface] =
-                                std::numeric_limits<uint64_t>::max();
-                        }
-                    });
-                    transactions.emplace_back(std::move(transaction));
-                }
-                mTransactionQueue.pop_front();
-                ATRACE_INT("TransactionQueue", mTransactionQueue.size());
-            }
-
-            // Transactions with a buffer pending on a barrier may be on a different applyToken
-            // than the transaction which satisfies our barrier. In fact this is the exact use case
-            // that the primitive is designed for. This means we may first process
-            // the barrier dependent transaction, determine it ineligible to complete
-            // and then satisfy in a later inner iteration of flushPendingTransactionQueues.
-            // The barrier dependent transaction was eligible to be presented in this frame
-            // but we would have prevented it without case. To fix this we continually
-            // loop through flushPendingTransactionQueues until we perform an iteration
-            // where the number of transactionsPendingBarrier doesn't change. This way
-            // we can continue to resolve dependency chains of barriers as far as possible.
-            while (lastTransactionsPendingBarrier != transactionsPendingBarrier) {
-                lastTransactionsPendingBarrier = transactionsPendingBarrier;
-                transactionsPendingBarrier =
-                    flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                        applyTokensWithUnsignaledTransactions,
-                        /*tryApplyUnsignaled*/ false);
-            }
-
-            // We collected all transactions that could apply without latching unsignaled buffers.
-            // If we are allowing latch unsignaled of some form, now it's the time to go over the
-            // transactions that were not applied and try to apply them unsignaled.
-            if (enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-                flushUnsignaledPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                                                        applyTokensWithUnsignaledTransactions);
-            }
-
-            return applyTransactions(transactions, vsyncId);
-        }
+        return applyTransactions(transactions, vsyncId);
     }
 }
 
 bool SurfaceFlinger::applyTransactions(std::vector<TransactionState>& transactions,
-                                       int64_t vsyncId) {
+                                       VsyncId vsyncId) {
     bool needsTraversal = false;
     // Now apply all transactions.
     for (auto& transaction : transactions) {
@@ -3912,46 +3898,42 @@ bool SurfaceFlinger::applyTransactions(std::vector<TransactionState>& transactio
                                       transaction.permissions, transaction.hasListenerCallbacks,
                                       transaction.listenerCallbacks, transaction.originPid,
                                       transaction.originUid, transaction.id);
-        if (transaction.transactionCommittedSignal) {
-            mTransactionCommittedSignals.emplace_back(
-                    std::move(transaction.transactionCommittedSignal));
-        }
     }
 
     if (mTransactionTracing) {
-        mTransactionTracing->addCommittedTransactions(transactions, vsyncId);
+        mTransactionTracing->addCommittedTransactions(transactions, vsyncId.value);
     }
     return needsTraversal;
 }
 
 bool SurfaceFlinger::transactionFlushNeeded() {
-    Mutex::Autolock _l(mQueueLock);
-    return !mPendingTransactionQueues.empty() || !mTransactionQueue.empty();
+    return mTransactionHandler.hasPendingTransactions();
 }
 
-bool SurfaceFlinger::frameIsEarly(nsecs_t expectedPresentTime, int64_t vsyncId) const {
-    // The amount of time SF can delay a frame if it is considered early based
-    // on the VsyncModulator::VsyncConfig::appWorkDuration
-    constexpr static std::chrono::nanoseconds kEarlyLatchMaxThreshold = 100ms;
-
-    const auto currentVsyncPeriod = mScheduler->getDisplayStatInfo(systemTime()).vsyncPeriod;
-    const auto earlyLatchVsyncThreshold = currentVsyncPeriod / 2;
-
-    const auto prediction = mFrameTimeline->getTokenManager()->getPredictionsForToken(vsyncId);
-    if (!prediction.has_value()) {
+bool SurfaceFlinger::frameIsEarly(TimePoint expectedPresentTime, VsyncId vsyncId) const {
+    const auto prediction =
+            mFrameTimeline->getTokenManager()->getPredictionsForToken(vsyncId.value);
+    if (!prediction) {
         return false;
     }
 
-    if (std::abs(prediction->presentTime - expectedPresentTime) >=
-        kEarlyLatchMaxThreshold.count()) {
+    const auto predictedPresentTime = TimePoint::fromNs(prediction->presentTime);
+
+    // The duration for which SF can delay a frame if it is considered early based on the
+    // VsyncModulator::VsyncConfig::appWorkDuration.
+    if (constexpr std::chrono::nanoseconds kEarlyLatchMaxThreshold = 100ms;
+        std::chrono::abs(predictedPresentTime - expectedPresentTime) >= kEarlyLatchMaxThreshold) {
         return false;
     }
 
-    return prediction->presentTime >= expectedPresentTime &&
-            prediction->presentTime - expectedPresentTime >= earlyLatchVsyncThreshold;
+    const Duration earlyLatchVsyncThreshold = mScheduler->getVsyncSchedule().period() / 2;
+
+    return predictedPresentTime >= expectedPresentTime &&
+            predictedPresentTime - expectedPresentTime >= earlyLatchVsyncThreshold;
 }
+
 bool SurfaceFlinger::shouldLatchUnsignaled(const sp<Layer>& layer, const layer_state_t& state,
-                                           size_t numStates, size_t totalTXapplied) const {
+                                           size_t numStates, bool firstTransaction) const {
     if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::Disabled) {
         ALOGV("%s: false (LatchUnsignaledConfig::Disabled)", __func__);
         return false;
@@ -3970,9 +3952,9 @@ bool SurfaceFlinger::shouldLatchUnsignaled(const sp<Layer>& layer, const layer_s
     }
 
     if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::AutoSingleLayer) {
-        if (totalTXapplied > 0) {
-            ALOGV("%s: false (LatchUnsignaledConfig::AutoSingleLayer; totalTXapplied=%zu)",
-                  __func__, totalTXapplied);
+        if (!firstTransaction) {
+            ALOGV("%s: false (LatchUnsignaledConfig::AutoSingleLayer; not first transaction)",
+                  __func__);
             return false;
         }
 
@@ -3996,152 +3978,8 @@ bool SurfaceFlinger::shouldLatchUnsignaled(const sp<Layer>& layer, const layer_s
     return true;
 }
 
-auto SurfaceFlinger::transactionIsReadyToBeApplied(TransactionState& transaction,
-        const FrameTimelineInfo& info, bool isAutoTimestamp, int64_t desiredPresentTime,
-        uid_t originUid, const Vector<ComposerState>& states,
-        const std::unordered_map<
-            sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-        size_t totalTXapplied, bool tryApplyUnsignaled) const -> TransactionReadiness {
-    ATRACE_FORMAT("transactionIsReadyToBeApplied vsyncId: %" PRId64, info.vsyncId);
-    const nsecs_t expectedPresentTime = mExpectedPresentTime.load();
-    // Do not present if the desiredPresentTime has not passed unless it is more than one second
-    // in the future. We ignore timestamps more than 1 second in the future for stability reasons.
-    if (!isAutoTimestamp && desiredPresentTime >= expectedPresentTime &&
-        desiredPresentTime < expectedPresentTime + s2ns(1)) {
-        ATRACE_NAME("not current");
-        return TransactionReadiness::NotReady;
-    }
-
-    if (!mScheduler->isVsyncValid(expectedPresentTime, originUid)) {
-        ATRACE_NAME("!isVsyncValid");
-        return TransactionReadiness::NotReady;
-    }
-
-    // If the client didn't specify desiredPresentTime, use the vsyncId to determine the expected
-    // present time of this transaction.
-    if (isAutoTimestamp && frameIsEarly(expectedPresentTime, info.vsyncId)) {
-        ATRACE_NAME("frameIsEarly");
-        return TransactionReadiness::NotReady;
-    }
-
-    bool fenceUnsignaled = false;
-    auto queueProcessTime = systemTime();
-    for (const ComposerState& state : states) {
-        const layer_state_t& s = state.state;
-
-        sp<Layer> layer = nullptr;
-        if (s.surface) {
-            layer = fromHandle(s.surface).promote();
-        } else if (s.hasBufferChanges()) {
-            ALOGW("Transaction with buffer, but no Layer?");
-            continue;
-        }
-        if (!layer) {
-            continue;
-        }
-
-        if (s.hasBufferChanges() && s.bufferData->hasBarrier &&
-            ((layer->getDrawingState().frameNumber) < s.bufferData->barrierFrameNumber)) {
-            const bool willApplyBarrierFrame =
-                (bufferLayersReadyToPresent.find(s.surface) != bufferLayersReadyToPresent.end()) &&
-                (bufferLayersReadyToPresent.at(s.surface) >= s.bufferData->barrierFrameNumber);
-            if (!willApplyBarrierFrame) {
-                ATRACE_NAME("NotReadyBarrier");
-                return TransactionReadiness::NotReadyBarrier;
-            }
-        }
-
-        const bool allowLatchUnsignaled = tryApplyUnsignaled &&
-                shouldLatchUnsignaled(layer, s, states.size(), totalTXapplied);
-        ATRACE_FORMAT("%s allowLatchUnsignaled=%s", layer->getName().c_str(),
-                      allowLatchUnsignaled ? "true" : "false");
-
-        const bool acquireFenceChanged = s.bufferData &&
-                s.bufferData->flags.test(BufferData::BufferDataChange::fenceChanged) &&
-                s.bufferData->acquireFence;
-        fenceUnsignaled = fenceUnsignaled ||
-                (acquireFenceChanged &&
-                 s.bufferData->acquireFence->getStatus() == Fence::Status::Unsignaled);
-
-        if (fenceUnsignaled && !allowLatchUnsignaled) {
-            if (!transaction.sentFenceTimeoutWarning &&
-                queueProcessTime - transaction.queueTime > std::chrono::nanoseconds(4s).count()) {
-                transaction.sentFenceTimeoutWarning = true;
-                auto listener = s.bufferData->releaseBufferListener;
-                if (listener) {
-                    listener->onTransactionQueueStalled();
-                }
-            }
-
-            ATRACE_NAME("fence unsignaled");
-            return TransactionReadiness::NotReady;
-        }
-
-        if (s.hasBufferChanges()) {
-            // If backpressure is enabled and we already have a buffer to commit, keep the
-            // transaction in the queue.
-            const bool hasPendingBuffer = bufferLayersReadyToPresent.find(s.surface) !=
-                bufferLayersReadyToPresent.end();
-            if (layer->backpressureEnabled() && hasPendingBuffer && isAutoTimestamp) {
-                ATRACE_NAME("hasPendingBuffer");
-                return TransactionReadiness::NotReady;
-            }
-        }
-    }
-    return fenceUnsignaled ? TransactionReadiness::ReadyUnsignaled : TransactionReadiness::Ready;
-}
-
-void SurfaceFlinger::queueTransaction(TransactionState& state) {
-    state.queueTime = systemTime();
-
-    Mutex::Autolock lock(mQueueLock);
-
-    // Generate a CountDownLatch pending state if this is a synchronous transaction.
-    if ((state.flags & eSynchronous) || state.inputWindowCommands.syncInputWindows) {
-        state.transactionCommittedSignal = std::make_shared<CountDownLatch>(
-                (state.inputWindowCommands.syncInputWindows
-                         ? (CountDownLatch::eSyncInputWindows | CountDownLatch::eSyncTransaction)
-                         : CountDownLatch::eSyncTransaction));
-    }
-
-    mTransactionQueue.emplace_back(state);
-    ATRACE_INT("TransactionQueue", mTransactionQueue.size());
-
-    const auto schedule = [](uint32_t flags) {
-        if (flags & eEarlyWakeupEnd) return TransactionSchedule::EarlyEnd;
-        if (flags & eEarlyWakeupStart) return TransactionSchedule::EarlyStart;
-        return TransactionSchedule::Late;
-    }(state.flags);
-
-    const auto frameHint = state.isFrameActive() ? FrameHint::kActive : FrameHint::kNone;
-
-    setTransactionFlags(eTransactionFlushNeeded, schedule, state.applyToken, frameHint);
-}
-
-void SurfaceFlinger::waitForSynchronousTransaction(
-        const CountDownLatch& transactionCommittedSignal) {
-    // applyTransactionState is called on the main SF thread.  While a given process may wish
-    // to wait on synchronous transactions, the main SF thread should apply the transaction and
-    // set the value to notify this after committed.
-    if (!transactionCommittedSignal.wait_until(
-                std::chrono::nanoseconds(mAnimationTransactionTimeout))) {
-        ALOGE("setTransactionState timed out!");
-    }
-}
-
-void SurfaceFlinger::signalSynchronousTransactions(const uint32_t flag) {
-    for (auto it = mTransactionCommittedSignals.begin();
-         it != mTransactionCommittedSignals.end();) {
-        if ((*it)->countDown(flag)) {
-            it = mTransactionCommittedSignals.erase(it);
-        } else {
-            it++;
-        }
-    }
-}
-
 status_t SurfaceFlinger::setTransactionState(
-        const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& states,
+        const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& states,
         const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
         const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
         bool isAutoTimestamp, const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
@@ -4173,7 +4011,25 @@ status_t SurfaceFlinger::setTransactionState(
     IPCThreadState* ipc = IPCThreadState::self();
     const int originPid = ipc->getCallingPid();
     const int originUid = ipc->getCallingUid();
-    TransactionState state{frameTimelineInfo,  states,
+
+    std::vector<ResolvedComposerState> resolvedStates;
+    resolvedStates.reserve(states.size());
+    for (auto& state : states) {
+        resolvedStates.emplace_back(std::move(state));
+        auto& resolvedState = resolvedStates.back();
+        if (resolvedState.state.hasBufferChanges() && resolvedState.state.hasValidBuffer() &&
+            resolvedState.state.surface) {
+            sp<Layer> layer = LayerHandle::getLayer(resolvedState.state.surface);
+            std::string layerName = (layer) ?
+                    layer->getDebugName() : std::to_string(resolvedState.state.layerId);
+            resolvedState.externalTexture =
+                    getExternalTextureFromBufferData(*resolvedState.state.bufferData,
+                                                     layerName.c_str(), transactionId);
+            mBufferCountTracker.increment(resolvedState.state.surface->localBinder());
+        }
+    }
+
+    TransactionState state{frameTimelineInfo,  resolvedStates,
                            displays,           flags,
                            applyToken,         inputWindowCommands,
                            desiredPresentTime, isAutoTimestamp,
@@ -4182,27 +4038,26 @@ status_t SurfaceFlinger::setTransactionState(
                            listenerCallbacks,  originPid,
                            originUid,          transactionId};
 
-    // Check for incoming buffer updates and increment the pending buffer count.
-    state.traverseStatesWithBuffers([&](const layer_state_t& state) {
-        mBufferCountTracker.increment(state.surface->localBinder());
-    });
-
     if (mTransactionTracing) {
         mTransactionTracing->addQueuedTransaction(state);
     }
-    queueTransaction(state);
 
-    // Check the pending state to make sure the transaction is synchronous.
-    if (state.transactionCommittedSignal) {
-        waitForSynchronousTransaction(*state.transactionCommittedSignal);
-    }
+    const auto schedule = [](uint32_t flags) {
+        if (flags & eEarlyWakeupEnd) return TransactionSchedule::EarlyEnd;
+        if (flags & eEarlyWakeupStart) return TransactionSchedule::EarlyStart;
+        return TransactionSchedule::Late;
+    }(state.flags);
+
+    const auto frameHint = state.isFrameActive() ? FrameHint::kActive : FrameHint::kNone;
+    setTransactionFlags(eTransactionFlushNeeded, schedule, state.applyToken, frameHint);
+    mTransactionHandler.queueTransaction(std::move(state));
 
     return NO_ERROR;
 }
 
 bool SurfaceFlinger::applyTransactionState(const FrameTimelineInfo& frameTimelineInfo,
-                                           Vector<ComposerState>& states,
-                                           const Vector<DisplayState>& displays, uint32_t flags,
+                                           std::vector<ResolvedComposerState>& states,
+                                           Vector<DisplayState>& displays, uint32_t flags,
                                            const InputWindowCommands& inputWindowCommands,
                                            const int64_t desiredPresentTime, bool isAutoTimestamp,
                                            const client_cache_t& uncacheBuffer,
@@ -4211,7 +4066,8 @@ bool SurfaceFlinger::applyTransactionState(const FrameTimelineInfo& frameTimelin
                                            const std::vector<ListenerCallbacks>& listenerCallbacks,
                                            int originPid, int originUid, uint64_t transactionId) {
     uint32_t transactionFlags = 0;
-    for (const DisplayState& display : displays) {
+    for (DisplayState& display : displays) {
+        display.sanitize(permissions);
         transactionFlags |= setDisplayStateLocked(display);
     }
 
@@ -4223,12 +4079,12 @@ bool SurfaceFlinger::applyTransactionState(const FrameTimelineInfo& frameTimelin
     }
 
     uint32_t clientStateFlags = 0;
-    for (int i = 0; i < states.size(); i++) {
-        ComposerState& state = states.editItemAt(i);
-        clientStateFlags |= setClientStateLocked(frameTimelineInfo, state, desiredPresentTime,
-                                                 isAutoTimestamp, postTime, permissions);
-        if ((flags & eAnimation) && state.state.surface) {
-            if (const auto layer = fromHandle(state.state.surface).promote()) {
+    for (auto& resolvedState : states) {
+        clientStateFlags |=
+                setClientStateLocked(frameTimelineInfo, resolvedState, desiredPresentTime,
+                                     isAutoTimestamp, postTime, permissions, transactionId);
+        if ((flags & eAnimation) && resolvedState.state.surface) {
+            if (const auto layer = LayerHandle::getLayer(resolvedState.state.surface)) {
                 using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
                 mScheduler->recordLayerHistory(layer.get(),
                                                isAutoTimestamp ? 0 : desiredPresentTime,
@@ -4246,25 +4102,22 @@ bool SurfaceFlinger::applyTransactionState(const FrameTimelineInfo& frameTimelin
     }
 
     if (uncacheBuffer.isValid()) {
-        ClientCache::getInstance().erase(uncacheBuffer);
+        sp<GraphicBuffer> buffer = ClientCache::getInstance().erase(uncacheBuffer);
+        if (buffer != nullptr) {
+            mBufferIdsToUncache.push_back(buffer->getId());
+        }
     }
 
     // If a synchronous transaction is explicitly requested without any changes, force a transaction
     // anyway. This can be used as a flush mechanism for previous async transactions.
     // Empty animation transaction can be used to simulate back-pressure, so also force a
     // transaction for empty animation transactions.
-    if (transactionFlags == 0 &&
-            ((flags & eSynchronous) || (flags & eAnimation))) {
+    if (transactionFlags == 0 && (flags & eAnimation)) {
         transactionFlags = eTransactionNeeded;
     }
 
     bool needsTraversal = false;
     if (transactionFlags) {
-        if (mInterceptor->isEnabled()) {
-            mInterceptor->saveTransaction(states, mCurrentState.displays, displays, flags,
-                                          originPid, originUid, transactionId);
-        }
-
         // We are on the main thread, we are about to preform a traversal. Clear the traversal bit
         // so we don't have to wake up again next frame to preform an unnecessary traversal.
         if (transactionFlags & eTraversalNeeded) {
@@ -4274,10 +4127,6 @@ bool SurfaceFlinger::applyTransactionState(const FrameTimelineInfo& frameTimelin
         if (transactionFlags) {
             setTransactionFlags(transactionFlags);
         }
-
-        if (flags & eAnimation) {
-            mAnimTransactionPending = true;
-        }
     }
 
     return needsTraversal;
@@ -4350,9 +4199,10 @@ bool SurfaceFlinger::callingThreadHasUnscopedSurfaceFlingerAccess(bool usePermis
 }
 
 uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTimelineInfo,
-                                              ComposerState& composerState,
+                                              ResolvedComposerState& composerState,
                                               int64_t desiredPresentTime, bool isAutoTimestamp,
-                                              int64_t postTime, uint32_t permissions) {
+                                              int64_t postTime, uint32_t permissions,
+                                              uint64_t transactionId) {
     layer_state_t& s = composerState.state;
     s.sanitize(permissions);
 
@@ -4378,7 +4228,7 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     uint32_t flags = 0;
     sp<Layer> layer = nullptr;
     if (s.surface) {
-        layer = fromHandle(s.surface).promote();
+        layer = LayerHandle::getLayer(s.surface);
     } else {
         // The client may provide us a null handle. Treat it as if the layer was removed.
         ALOGW("Attempt to set client state with a null layer handle");
@@ -4386,11 +4236,13 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     if (layer == nullptr) {
         for (auto& [listener, callbackIds] : s.listeners) {
             mTransactionCallbackInvoker.registerUnpresentedCallbackHandle(
-                    new CallbackHandle(listener, callbackIds, s.surface));
+                    sp<CallbackHandle>::make(listener, callbackIds, s.surface));
         }
         return 0;
     }
 
+    ui::LayerStack oldLayerStack = layer->getLayerStack(LayerVector::StateSet::Current);
+
     // Only set by BLAST adapter layers
     if (what & layer_state_t::eProducerDisconnect) {
         layer->onDisconnect();
@@ -4440,18 +4292,11 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
             }
         }
     }
-    if (what & layer_state_t::eSizeChanged) {
-        if (layer->setSize(s.w, s.h)) {
-            flags |= eTraversalNeeded;
-        }
-    }
     if (what & layer_state_t::eAlphaChanged) {
-        if (layer->setAlpha(s.alpha))
-            flags |= eTraversalNeeded;
+        if (layer->setAlpha(s.color.a)) flags |= eTraversalNeeded;
     }
     if (what & layer_state_t::eColorChanged) {
-        if (layer->setColor(s.color))
-            flags |= eTraversalNeeded;
+        if (layer->setColor(s.color.rgb)) flags |= eTraversalNeeded;
     }
     if (what & layer_state_t::eColorTransformChanged) {
         if (layer->setColorTransform(s.colorTransform)) {
@@ -4459,7 +4304,7 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
         }
     }
     if (what & layer_state_t::eBackgroundColorChanged) {
-        if (layer->setBackgroundColor(s.color, s.bgColorAlpha, s.bgColorDataspace)) {
+        if (layer->setBackgroundColor(s.color.rgb, s.bgColorAlpha, s.bgColorDataspace)) {
             flags |= eTraversalNeeded;
         }
     }
@@ -4483,6 +4328,11 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     if (what & layer_state_t::eBlurRegionsChanged) {
         if (layer->setBlurRegions(s.blurRegions)) flags |= eTraversalNeeded;
     }
+    if (what & layer_state_t::eRenderBorderChanged) {
+        if (layer->enableBorder(s.borderEnabled, s.borderWidth, s.borderColor)) {
+            flags |= eTraversalNeeded;
+        }
+    }
     if (what & layer_state_t::eLayerStackChanged) {
         ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
         // We only allow setting layer stacks for top level layers,
@@ -4503,8 +4353,8 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
             flags |= eTransactionNeeded | eTraversalNeeded | eTransformHintUpdateNeeded;
         }
     }
-    if (what & layer_state_t::eTransformChanged) {
-        if (layer->setTransform(s.transform)) flags |= eTraversalNeeded;
+    if (what & layer_state_t::eBufferTransformChanged) {
+        if (layer->setTransform(s.bufferTransform)) flags |= eTraversalNeeded;
     }
     if (what & layer_state_t::eTransformToDisplayInverseChanged) {
         if (layer->setTransformToDisplayInverse(s.transformToDisplayInverse))
@@ -4534,16 +4384,20 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     }
     std::optional<nsecs_t> dequeueBufferTimestamp;
     if (what & layer_state_t::eMetadataChanged) {
-        dequeueBufferTimestamp = s.metadata.getInt64(METADATA_DEQUEUE_TIME);
+        dequeueBufferTimestamp = s.metadata.getInt64(gui::METADATA_DEQUEUE_TIME);
 
-        if (const int32_t gameMode = s.metadata.getInt32(METADATA_GAME_MODE, -1); gameMode != -1) {
+        if (const int32_t gameMode = s.metadata.getInt32(gui::METADATA_GAME_MODE, -1);
+            gameMode != -1) {
             // The transaction will be received on the Task layer and needs to be applied to all
             // child layers. Child layers that are added at a later point will obtain the game mode
             // info through addChild().
             layer->setGameModeForTree(static_cast<GameMode>(gameMode));
         }
 
-        if (layer->setMetadata(s.metadata)) flags |= eTraversalNeeded;
+        if (layer->setMetadata(s.metadata)) {
+            flags |= eTraversalNeeded;
+            mLayerMetadataSnapshotNeeded = true;
+        }
     }
     if (what & layer_state_t::eColorSpaceAgnosticChanged) {
         if (layer->setColorSpaceAgnostic(s.colorSpaceAgnostic)) {
@@ -4553,6 +4407,14 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     if (what & layer_state_t::eShadowRadiusChanged) {
         if (layer->setShadowRadius(s.shadowRadius)) flags |= eTraversalNeeded;
     }
+    if (what & layer_state_t::eDefaultFrameRateCompatibilityChanged) {
+        const auto compatibility =
+                Layer::FrameRate::convertCompatibility(s.defaultFrameRateCompatibility);
+
+        if (layer->setDefaultFrameRateCompatibility(compatibility)) {
+            flags |= eTraversalNeeded;
+        }
+    }
     if (what & layer_state_t::eFrameRateSelectionPriority) {
         if (layer->setFrameRateSelectionPriority(s.frameRateSelectionPriority)) {
             flags |= eTraversalNeeded;
@@ -4603,7 +4465,7 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     if (what & layer_state_t::eDropInputModeChanged) {
         if (layer->setDropInputMode(s.dropInputMode)) {
             flags |= eTraversalNeeded;
-            mInputInfoChanged = true;
+            mUpdateInputInfo = true;
         }
     }
     // This has to happen after we reparent children because when we reparent to null we remove
@@ -4626,15 +4488,15 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     std::vector<sp<CallbackHandle>> callbackHandles;
     if ((what & layer_state_t::eHasListenerCallbacksChanged) && (!filteredListeners.empty())) {
         for (auto& [listener, callbackIds] : filteredListeners) {
-            callbackHandles.emplace_back(new CallbackHandle(listener, callbackIds, s.surface));
+            callbackHandles.emplace_back(
+                    sp<CallbackHandle>::make(listener, callbackIds, s.surface));
         }
     }
 
     if (what & layer_state_t::eBufferChanged) {
-        std::shared_ptr<renderengine::ExternalTexture> buffer =
-                getExternalTextureFromBufferData(*s.bufferData, layer->getDebugName());
-        if (layer->setBuffer(buffer, *s.bufferData, postTime, desiredPresentTime, isAutoTimestamp,
-                             dequeueBufferTimestamp, frameTimelineInfo)) {
+        if (layer->setBuffer(composerState.externalTexture, *s.bufferData, postTime,
+                             desiredPresentTime, isAutoTimestamp, dequeueBufferTimestamp,
+                             frameTimelineInfo)) {
             flags |= eTraversalNeeded;
         }
     } else if (frameTimelineInfo.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID) {
@@ -4644,6 +4506,13 @@ uint32_t SurfaceFlinger::setClientStateLocked(const FrameTimelineInfo& frameTime
     if (layer->setTransactionCompletedListeners(callbackHandles)) flags |= eTraversalNeeded;
     // Do not put anything that updates layer state or modifies flags after
     // setTransactionCompletedListener
+
+    // if the layer has been parented on to a new display, update its transform hint.
+    if (((flags & eTransformHintUpdateNeeded) == 0) &&
+        oldLayerStack != layer->getLayerStack(LayerVector::StateSet::Current)) {
+        flags |= eTransformHintUpdateNeeded;
+    }
+
     return flags;
 }
 
@@ -4653,21 +4522,25 @@ uint32_t SurfaceFlinger::addInputWindowCommands(const InputWindowCommands& input
 }
 
 status_t SurfaceFlinger::mirrorLayer(const LayerCreationArgs& args,
-                                     const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                                     int32_t* outLayerId) {
+                                     const sp<IBinder>& mirrorFromHandle,
+                                     gui::CreateSurfaceResult& outResult) {
     if (!mirrorFromHandle) {
         return NAME_NOT_FOUND;
     }
 
     sp<Layer> mirrorLayer;
     sp<Layer> mirrorFrom;
+    LayerCreationArgs mirrorArgs(args);
     {
         Mutex::Autolock _l(mStateLock);
-        mirrorFrom = fromHandle(mirrorFromHandle).promote();
+        mirrorFrom = LayerHandle::getLayer(mirrorFromHandle);
         if (!mirrorFrom) {
             return NAME_NOT_FOUND;
         }
-        status_t result = createContainerLayer(args, outHandle, &mirrorLayer);
+        mirrorArgs.flags |= ISurfaceComposerClient::eNoColorFill;
+        mirrorArgs.mirrorLayerHandle = mirrorFromHandle;
+        mirrorArgs.addToRoot = false;
+        status_t result = createEffectLayer(mirrorArgs, &outResult.handle, &mirrorLayer);
         if (result != NO_ERROR) {
             return result;
         }
@@ -4675,43 +4548,87 @@ status_t SurfaceFlinger::mirrorLayer(const LayerCreationArgs& args,
         mirrorLayer->setClonedChild(mirrorFrom->createClone());
     }
 
-    *outLayerId = mirrorLayer->sequence;
+    outResult.layerId = mirrorLayer->sequence;
+    outResult.layerName = String16(mirrorLayer->getDebugName());
     if (mTransactionTracing) {
-        mTransactionTracing->onMirrorLayerAdded((*outHandle)->localBinder(), mirrorLayer->sequence,
-                                                args.name, mirrorFrom->sequence);
+        mTransactionTracing->onMirrorLayerAdded(outResult.handle->localBinder(),
+                                                mirrorLayer->sequence, args.name,
+                                                mirrorFrom->sequence);
     }
-    return addClientLayer(args.client, *outHandle, mirrorLayer /* layer */, nullptr /* parent */,
-                          false /* addToRoot */, nullptr /* outTransformHint */);
+    return addClientLayer(mirrorArgs, outResult.handle, mirrorLayer /* layer */,
+                          nullptr /* parent */, nullptr /* outTransformHint */);
 }
 
-status_t SurfaceFlinger::createLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
-                                     const sp<IBinder>& parentHandle, int32_t* outLayerId,
-                                     const sp<Layer>& parentLayer, uint32_t* outTransformHint) {
-    ALOG_ASSERT(parentLayer == nullptr || parentHandle == nullptr,
-            "Expected only one of parentLayer or parentHandle to be non-null. "
-            "Programmer error?");
+status_t SurfaceFlinger::mirrorDisplay(DisplayId displayId, const LayerCreationArgs& args,
+                                       gui::CreateSurfaceResult& outResult) {
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int uid = ipc->getCallingUid();
+    if (uid != AID_ROOT && uid != AID_GRAPHICS && uid != AID_SYSTEM && uid != AID_SHELL) {
+        ALOGE("Permission denied when trying to mirror display");
+        return PERMISSION_DENIED;
+    }
+
+    ui::LayerStack layerStack;
+    sp<Layer> rootMirrorLayer;
+    status_t result = 0;
+
+    {
+        Mutex::Autolock lock(mStateLock);
+
+        const auto display = getDisplayDeviceLocked(displayId);
+        if (!display) {
+            return NAME_NOT_FOUND;
+        }
+
+        layerStack = display->getLayerStack();
+        LayerCreationArgs mirrorArgs(args);
+        mirrorArgs.flags |= ISurfaceComposerClient::eNoColorFill;
+        mirrorArgs.addToRoot = true;
+        result = createEffectLayer(mirrorArgs, &outResult.handle, &rootMirrorLayer);
+        outResult.layerId = rootMirrorLayer->sequence;
+        outResult.layerName = String16(rootMirrorLayer->getDebugName());
+        result |= addClientLayer(mirrorArgs, outResult.handle, rootMirrorLayer /* layer */,
+                                 nullptr /* parent */, nullptr /* outTransformHint */);
+    }
+
+    if (result != NO_ERROR) {
+        return result;
+    }
+
+    if (mTransactionTracing) {
+        mTransactionTracing->onLayerAdded(outResult.handle->localBinder(), outResult.layerId,
+                                          args.name, args.flags, -1 /* parentId */);
+    }
+
+    {
+        std::scoped_lock<std::mutex> lock(mMirrorDisplayLock);
+        mMirrorDisplays.emplace_back(layerStack, outResult.handle, args.client);
+    }
 
+    setTransactionFlags(eTransactionFlushNeeded);
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::createLayer(LayerCreationArgs& args, gui::CreateSurfaceResult& outResult) {
     status_t result = NO_ERROR;
 
     sp<Layer> layer;
 
     switch (args.flags & ISurfaceComposerClient::eFXSurfaceMask) {
         case ISurfaceComposerClient::eFXSurfaceBufferQueue:
-        case ISurfaceComposerClient::eFXSurfaceBufferState: {
-            result = createBufferStateLayer(args, outHandle, &layer);
+        case ISurfaceComposerClient::eFXSurfaceContainer:
+        case ISurfaceComposerClient::eFXSurfaceBufferState:
+            args.flags |= ISurfaceComposerClient::eNoColorFill;
+            FMT_FALLTHROUGH;
+        case ISurfaceComposerClient::eFXSurfaceEffect: {
+            result = createBufferStateLayer(args, &outResult.handle, &layer);
             std::atomic<int32_t>* pendingBufferCounter = layer->getPendingBufferCounter();
             if (pendingBufferCounter) {
                 std::string counterName = layer->getPendingBufferCounterName();
-                mBufferCountTracker.add((*outHandle)->localBinder(), counterName,
+                mBufferCountTracker.add(outResult.handle->localBinder(), counterName,
                                         pendingBufferCounter);
             }
         } break;
-        case ISurfaceComposerClient::eFXSurfaceEffect:
-            result = createEffectLayer(args, outHandle, &layer);
-            break;
-        case ISurfaceComposerClient::eFXSurfaceContainer:
-            result = createContainerLayer(args, outHandle, &layer);
-            break;
         default:
             result = BAD_VALUE;
             break;
@@ -4721,73 +4638,33 @@ status_t SurfaceFlinger::createLayer(LayerCreationArgs& args, sp<IBinder>* outHa
         return result;
     }
 
-    bool addToRoot = args.addToRoot && callingThreadHasUnscopedSurfaceFlingerAccess();
-    wp<Layer> parent(parentHandle != nullptr ? fromHandle(parentHandle) : parentLayer);
-    if (parentHandle != nullptr && parent == nullptr) {
-        ALOGE("Invalid parent handle %p.", parentHandle.get());
-        addToRoot = false;
-    }
-    if (parentLayer != nullptr) {
-        addToRoot = false;
+    args.addToRoot = args.addToRoot && callingThreadHasUnscopedSurfaceFlingerAccess();
+    // We can safely promote the parent layer in binder thread because we have a strong reference
+    // to the layer's handle inside this scope.
+    sp<Layer> parent = LayerHandle::getLayer(args.parentHandle.promote());
+    if (args.parentHandle != nullptr && parent == nullptr) {
+        ALOGE("Invalid parent handle %p", args.parentHandle.promote().get());
+        args.addToRoot = false;
     }
 
-    int parentId = -1;
-    // We can safely promote the layer in binder thread because we have a strong reference
-    // to the layer's handle inside this scope or we were passed in a sp reference to the layer.
-    sp<Layer> parentSp = parent.promote();
-    if (parentSp != nullptr) {
-        parentId = parentSp->getSequence();
-    }
+    const int parentId = parent ? parent->getSequence() : -1;
     if (mTransactionTracing) {
-        mTransactionTracing->onLayerAdded((*outHandle)->localBinder(), layer->sequence, args.name,
-                                          args.flags, parentId);
+        mTransactionTracing->onLayerAdded(outResult.handle->localBinder(), layer->sequence,
+                                          args.name, args.flags, parentId);
     }
 
-    result = addClientLayer(args.client, *outHandle, layer, parent, addToRoot, outTransformHint);
+    uint32_t outTransformHint;
+    result = addClientLayer(args, outResult.handle, layer, parent, &outTransformHint);
     if (result != NO_ERROR) {
         return result;
     }
 
-    *outLayerId = layer->sequence;
+    outResult.transformHint = static_cast<int32_t>(outTransformHint);
+    outResult.layerId = layer->sequence;
+    outResult.layerName = String16(layer->getDebugName());
     return result;
 }
 
-status_t SurfaceFlinger::createBufferQueueLayer(LayerCreationArgs& args, PixelFormat& format,
-                                                sp<IBinder>* handle,
-                                                sp<IGraphicBufferProducer>* gbp,
-                                                sp<Layer>* outLayer) {
-    // initialize the surfaces
-    switch (format) {
-    case PIXEL_FORMAT_TRANSPARENT:
-    case PIXEL_FORMAT_TRANSLUCENT:
-        format = PIXEL_FORMAT_RGBA_8888;
-        break;
-    case PIXEL_FORMAT_OPAQUE:
-        format = PIXEL_FORMAT_RGBX_8888;
-        break;
-    }
-
-    sp<BufferQueueLayer> layer;
-    args.textureName = getNewTexture();
-    {
-        // Grab the SF state lock during this since it's the only safe way to access
-        // RenderEngine when creating a BufferLayerConsumer
-        // TODO: Check if this lock is still needed here
-        Mutex::Autolock lock(mStateLock);
-        layer = getFactory().createBufferQueueLayer(args);
-    }
-
-    status_t err = layer->setDefaultBufferProperties(0, 0, format);
-    if (err == NO_ERROR) {
-        *handle = layer->getHandle();
-        *gbp = layer->getProducer();
-        *outLayer = layer;
-    }
-
-    ALOGE_IF(err, "createBufferQueueLayer() failed (%s)", strerror(-err));
-    return err;
-}
-
 status_t SurfaceFlinger::createBufferStateLayer(LayerCreationArgs& args, sp<IBinder>* handle,
                                                 sp<Layer>* outLayer) {
     args.textureName = getNewTexture();
@@ -4803,20 +4680,13 @@ status_t SurfaceFlinger::createEffectLayer(const LayerCreationArgs& args, sp<IBi
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::createContainerLayer(const LayerCreationArgs& args, sp<IBinder>* handle,
-                                              sp<Layer>* outLayer) {
-    *outLayer = getFactory().createContainerLayer(args);
-    *handle = (*outLayer)->getHandle();
-    return NO_ERROR;
-}
-
 void SurfaceFlinger::markLayerPendingRemovalLocked(const sp<Layer>& layer) {
     mLayersPendingRemoval.add(layer);
     mLayersRemoved = true;
     setTransactionFlags(eTransactionNeeded);
 }
 
-void SurfaceFlinger::onHandleDestroyed(BBinder* handle, sp<Layer>& layer) {
+void SurfaceFlinger::onHandleDestroyed(BBinder* handle, sp<Layer>& layer, uint32_t /* layerId */) {
     Mutex::Autolock lock(mStateLock);
     markLayerPendingRemovalLocked(layer);
     mBufferCountTracker.remove(handle);
@@ -4826,8 +4696,6 @@ void SurfaceFlinger::onHandleDestroyed(BBinder* handle, sp<Layer>& layer) {
     }
 }
 
-// ---------------------------------------------------------------------------
-
 void SurfaceFlinger::onInitializeDisplays() {
     const auto display = getDefaultDisplayDeviceLocked();
     if (!display) return;
@@ -4836,7 +4704,7 @@ void SurfaceFlinger::onInitializeDisplays() {
     LOG_ALWAYS_FATAL_IF(token == nullptr);
 
     // reset screen orientation and use primary layer stack
-    Vector<ComposerState> state;
+    std::vector<ResolvedComposerState> state;
     Vector<DisplayState> displays;
     DisplayState d;
     d.what = DisplayState::eDisplayProjectionChanged |
@@ -4859,19 +4727,13 @@ void SurfaceFlinger::onInitializeDisplays() {
                           {}, mPid, getuid(), transactionId);
 
     setPowerModeInternal(display, hal::PowerMode::ON);
-    const nsecs_t vsyncPeriod = display->refreshRateConfigs().getActiveMode()->getVsyncPeriod();
-    mAnimFrameTracker.setDisplayRefreshPeriod(vsyncPeriod);
-    mActiveDisplayTransformHint = display->getTransformHint();
-    // Use phase of 0 since phase is not known.
-    // Use latency of 0, which will snap to the ideal latency.
-    DisplayStatInfo stats{0 /* vsyncTime */, vsyncPeriod};
-    setCompositorTimingSnapped(stats, 0);
 }
 
 void SurfaceFlinger::initializeDisplays() {
     // Async since we may be called from the main thread.
-    static_cast<void>(
-            mScheduler->schedule([this]() FTL_FAKE_GUARD(mStateLock) { onInitializeDisplays(); }));
+    static_cast<void>(mScheduler->schedule(
+            [this]() FTL_FAKE_GUARD(mStateLock)
+                    FTL_FAKE_GUARD(kMainThreadContext) { onInitializeDisplays(); }));
 }
 
 void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode) {
@@ -4883,28 +4745,45 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
     const auto displayId = display->getPhysicalId();
     ALOGD("Setting power mode %d on display %s", mode, to_string(displayId).c_str());
 
-    std::optional<hal::PowerMode> currentMode = display->getPowerMode();
-    if (currentMode.has_value() && mode == *currentMode) {
+    const auto currentModeOpt = display->getPowerMode();
+    if (currentModeOpt == mode) {
         return;
     }
 
-    const auto activeDisplay = getDisplayDeviceLocked(mActiveDisplayToken);
-    if (activeDisplay != display && display->isInternal() && activeDisplay &&
-        activeDisplay->isPoweredOn()) {
-        ALOGW("Trying to change power mode on non active display while the active display is ON");
-    }
+    const bool isActiveDisplay = displayId == mActiveDisplayId;
+    const bool isInternalDisplay = mPhysicalDisplays.get(displayId)
+                                           .transform(&PhysicalDisplay::isInternal)
+                                           .value_or(false);
+
+    const auto activeDisplay = getDisplayDeviceLocked(mActiveDisplayId);
+
+    ALOGW_IF(display != activeDisplay && isInternalDisplay && activeDisplay &&
+                     activeDisplay->isPoweredOn(),
+             "Trying to change power mode on inactive display without powering off active display");
 
     display->setPowerMode(mode);
 
-    if (mInterceptor->isEnabled()) {
-        mInterceptor->savePowerModeUpdate(display->getSequenceId(), static_cast<int32_t>(mode));
-    }
-    const auto refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
-    if (*currentMode == hal::PowerMode::OFF) {
+    const auto refreshRate = display->refreshRateSelector().getActiveMode().modePtr->getFps();
+    if (!currentModeOpt || *currentModeOpt == hal::PowerMode::OFF) {
         // Turn on the display
-        if (display->isInternal() && (!activeDisplay || !activeDisplay->isPoweredOn())) {
-            onActiveDisplayChangedLocked(display);
+
+        // Activate the display (which involves a modeset to the active mode):
+        //     1) When the first (a.k.a. primary) display is powered on during boot.
+        //     2) When the inner or outer display of a foldable is powered on. This condition relies
+        //        on the above DisplayDevice::setPowerMode. If `display` and `activeDisplay` are the
+        //        same display, then the `activeDisplay->isPoweredOn()` below is true, such that the
+        //        display is not activated every time it is powered on.
+        //
+        // TODO(b/255635821): Remove the concept of active display.
+        const bool activeDisplayChanged =
+                isInternalDisplay && (!activeDisplay || !activeDisplay->isPoweredOn());
+
+        static bool sPrimaryDisplay = true;
+        if (sPrimaryDisplay || activeDisplayChanged) {
+            onActiveDisplayChangedLocked(activeDisplay, display);
+            sPrimaryDisplay = false;
         }
+
         // Keep uclamp in a separate syscall and set it before changing to RT due to b/190237315.
         // We can merge the syscall later.
         if (SurfaceFlinger::setSchedAttr(true) != NO_ERROR) {
@@ -4914,14 +4793,13 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
             ALOGW("Couldn't set SCHED_FIFO on display on: %s\n", strerror(errno));
         }
         getHwComposer().setPowerMode(displayId, mode);
-        if (isDisplayActiveLocked(display) && mode != hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && mode != hal::PowerMode::DOZE_SUSPEND) {
             setHWCVsyncEnabled(displayId, mHWCVsyncPendingState);
             mScheduler->onScreenAcquired(mAppConnectionHandle);
             mScheduler->resyncToHardwareVsync(true, refreshRate);
         }
 
         mVisibleRegionsDirty = true;
-        mHasPoweredOff = true;
         scheduleComposite(FrameHint::kActive);
     } else if (mode == hal::PowerMode::OFF) {
         // Turn off the display
@@ -4931,7 +4809,7 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
         if (SurfaceFlinger::setSchedAttr(false) != NO_ERROR) {
             ALOGW("Couldn't set uclamp.min on display off: %s\n", strerror(errno));
         }
-        if (isDisplayActiveLocked(display) && *currentMode != hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && *currentModeOpt != hal::PowerMode::DOZE_SUSPEND) {
             mScheduler->disableHardwareVsync(true);
             mScheduler->onScreenReleased(mAppConnectionHandle);
         }
@@ -4945,13 +4823,16 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
     } else if (mode == hal::PowerMode::DOZE || mode == hal::PowerMode::ON) {
         // Update display while dozing
         getHwComposer().setPowerMode(displayId, mode);
-        if (isDisplayActiveLocked(display) && *currentMode == hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && *currentModeOpt == hal::PowerMode::DOZE_SUSPEND) {
+            ALOGI("Force repainting for DOZE_SUSPEND -> DOZE or ON.");
+            mVisibleRegionsDirty = true;
+            scheduleRepaint();
             mScheduler->onScreenAcquired(mAppConnectionHandle);
             mScheduler->resyncToHardwareVsync(true, refreshRate);
         }
     } else if (mode == hal::PowerMode::DOZE_SUSPEND) {
         // Leave display going to doze
-        if (isDisplayActiveLocked(display)) {
+        if (isActiveDisplay) {
             mScheduler->disableHardwareVsync(true);
             mScheduler->onScreenReleased(mAppConnectionHandle);
         }
@@ -4961,7 +4842,7 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
         getHwComposer().setPowerMode(displayId, mode);
     }
 
-    if (isDisplayActiveLocked(display)) {
+    if (isActiveDisplay) {
         mTimeStats->setPowerMode(mode);
         mRefreshRateStats->setPowerMode(mode);
         mScheduler->setDisplayPowerMode(mode);
@@ -4971,7 +4852,8 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal:
 }
 
 void SurfaceFlinger::setPowerMode(const sp<IBinder>& displayToken, int mode) {
-    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) {
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) FTL_FAKE_GUARD(
+                                               kMainThreadContext) {
         const auto display = getDisplayDeviceLocked(displayToken);
         if (!display) {
             ALOGE("Attempt to set power mode %d for invalid display token %p", mode,
@@ -5002,17 +4884,18 @@ status_t SurfaceFlinger::doDump(int fd, const DumpArgs& args, bool asProto) {
                 {"--comp-displays"s, dumper(&SurfaceFlinger::dumpCompositionDisplays)},
                 {"--display-id"s, dumper(&SurfaceFlinger::dumpDisplayIdentificationData)},
                 {"--displays"s, dumper(&SurfaceFlinger::dumpDisplays)},
-                {"--dispsync"s, dumper([this](std::string& s) { mScheduler->dumpVsync(s); })},
                 {"--edid"s, argsDumper(&SurfaceFlinger::dumpRawDisplayIdentificationData)},
+                {"--events"s, dumper(&SurfaceFlinger::dumpEvents)},
+                {"--frametimeline"s, argsDumper(&SurfaceFlinger::dumpFrameTimeline)},
+                {"--hwclayers"s, dumper(&SurfaceFlinger::dumpHwcLayersMinidumpLocked)},
                 {"--latency"s, argsDumper(&SurfaceFlinger::dumpStatsLocked)},
                 {"--latency-clear"s, argsDumper(&SurfaceFlinger::clearStatsLocked)},
                 {"--list"s, dumper(&SurfaceFlinger::listLayersLocked)},
                 {"--planner"s, argsDumper(&SurfaceFlinger::dumpPlannerInfo)},
-                {"--static-screen"s, dumper(&SurfaceFlinger::dumpStaticScreenStats)},
+                {"--scheduler"s, dumper(&SurfaceFlinger::dumpScheduler)},
                 {"--timestats"s, protoDumper(&SurfaceFlinger::dumpTimeStats)},
-                {"--vsync"s, dumper(&SurfaceFlinger::dumpVSync)},
+                {"--vsync"s, dumper(&SurfaceFlinger::dumpVsync)},
                 {"--wide-color"s, dumper(&SurfaceFlinger::dumpWideColorInfo)},
-                {"--frametimeline"s, argsDumper(&SurfaceFlinger::dumpFrameTimeline)},
         };
 
         const auto flag = args.empty() ? ""s : std::string(String8(args[0]));
@@ -5075,13 +4958,6 @@ status_t SurfaceFlinger::doDump(int fd, const DumpArgs& args, bool asProto) {
 }
 
 status_t SurfaceFlinger::dumpCritical(int fd, const DumpArgs&, bool asProto) {
-    if (asProto) {
-        mLayerTracing.writeToFile();
-        if (mTransactionTracing) {
-            mTransactionTracing->writeToFile();
-        }
-    }
-
     return doDump(fd, DumpArgs(), asProto);
 }
 
@@ -5092,17 +4968,14 @@ void SurfaceFlinger::listLayersLocked(std::string& result) const {
 
 void SurfaceFlinger::dumpStatsLocked(const DumpArgs& args, std::string& result) const {
     StringAppendF(&result, "%" PRId64 "\n", getVsyncPeriodFromHWC());
+    if (args.size() < 2) return;
 
-    if (args.size() > 1) {
-        const auto name = String8(args[1]);
-        mCurrentState.traverseInZOrder([&](Layer* layer) {
-            if (layer->getName() == name.string()) {
-                layer->dumpFrameStats(result);
-            }
-        });
-    } else {
-        mAnimFrameTracker.dumpStats(result);
-    }
+    const auto name = String8(args[1]);
+    mCurrentState.traverseInZOrder([&](Layer* layer) {
+        if (layer->getName() == name.string()) {
+            layer->dumpFrameStats(result);
+        }
+    });
 }
 
 void SurfaceFlinger::clearStatsLocked(const DumpArgs& args, std::string&) {
@@ -5114,8 +4987,6 @@ void SurfaceFlinger::clearStatsLocked(const DumpArgs& args, std::string&) {
             layer->clearFrameStats();
         }
     });
-
-    mAnimFrameTracker.clearStats();
 }
 
 void SurfaceFlinger::dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const {
@@ -5126,12 +4997,13 @@ void SurfaceFlinger::dumpFrameTimeline(const DumpArgs& args, std::string& result
     mFrameTimeline->parseArgs(args, result);
 }
 
-void SurfaceFlinger::logFrameStats() {
-    mDrawingState.traverse([&](Layer* layer) {
-        layer->logFrameStats();
-    });
+void SurfaceFlinger::logFrameStats(TimePoint now) {
+    static TimePoint sTimestamp = now;
+    if (now - sTimestamp < 30min) return;
+    sTimestamp = now;
 
-    mAnimFrameTracker.logAndResetStats("<win-anim>");
+    ATRACE_CALL();
+    mDrawingState.traverse([&](Layer* layer) { layer->logFrameStats(); });
 }
 
 void SurfaceFlinger::appendSfConfigString(std::string& result) const {
@@ -5147,24 +5019,39 @@ void SurfaceFlinger::appendSfConfigString(std::string& result) const {
     result.append("]");
 }
 
-void SurfaceFlinger::dumpVSync(std::string& result) const {
-    mScheduler->dump(result);
+void SurfaceFlinger::dumpScheduler(std::string& result) const {
+    utils::Dumper dumper{result};
+
+    mScheduler->dump(dumper);
+
+    // TODO(b/241286146): Move to Scheduler.
+    {
+        utils::Dumper::Indent indent(dumper);
+        dumper.dump("lastHwcVsyncState"sv, mLastHWCVsyncState);
+        dumper.dump("pendingHwcVsyncState"sv, mHWCVsyncPendingState);
+    }
+    dumper.eol();
+
+    // TODO(b/241285876): Move to DisplayModeController.
+    dumper.dump("debugDisplayModeSetByBackdoor"sv, mDebugDisplayModeSetByBackdoor);
+    dumper.eol();
 
     mRefreshRateStats->dump(result);
-    result.append("\n");
+    dumper.eol();
 
     mVsyncConfiguration->dump(result);
     StringAppendF(&result,
-                  "      present offset: %9" PRId64 " ns\t     VSYNC period: %9" PRId64 " ns\n\n",
+                  "         present offset: %9" PRId64 " ns\t        VSYNC period: %9" PRId64
+                  " ns\n\n",
                   dispSyncPresentTimeOffset, getVsyncPeriodFromHWC());
+}
 
-    StringAppendF(&result, "(mode override by backdoor: %s)\n\n",
-                  mDebugDisplayModeSetByBackdoor ? "yes" : "no");
-
+void SurfaceFlinger::dumpEvents(std::string& result) const {
     mScheduler->dump(mAppConnectionHandle, result);
+}
+
+void SurfaceFlinger::dumpVsync(std::string& result) const {
     mScheduler->dumpVsync(result);
-    StringAppendF(&result, "mHWCVsyncPendingState=%s mLastHWCVsyncState=%s\n",
-                  to_string(mHWCVsyncPendingState).c_str(), to_string(mLastHWCVsyncState).c_str());
 }
 
 void SurfaceFlinger::dumpPlannerInfo(const DumpArgs& args, std::string& result) const {
@@ -5174,21 +5061,6 @@ void SurfaceFlinger::dumpPlannerInfo(const DumpArgs& args, std::string& result)
     }
 }
 
-void SurfaceFlinger::dumpStaticScreenStats(std::string& result) const {
-    result.append("Static screen stats:\n");
-    for (size_t b = 0; b < SurfaceFlingerBE::NUM_BUCKETS - 1; ++b) {
-        float bucketTimeSec = getBE().mFrameBuckets[b] / 1e9;
-        float percent = 100.0f *
-                static_cast<float>(getBE().mFrameBuckets[b]) / getBE().mTotalTime;
-        StringAppendF(&result, "  < %zd frames: %.3f s (%.1f%%)\n", b + 1, bucketTimeSec, percent);
-    }
-    float bucketTimeSec = getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] / 1e9;
-    float percent = 100.0f *
-            static_cast<float>(getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1]) / getBE().mTotalTime;
-    StringAppendF(&result, "  %zd+ frames: %.3f s (%.1f%%)\n", SurfaceFlingerBE::NUM_BUCKETS - 1,
-                  bucketTimeSec, percent);
-}
-
 void SurfaceFlinger::dumpCompositionDisplays(std::string& result) const {
     for (const auto& [token, display] : mDisplays) {
         display->getCompositionDisplay()->dump(result);
@@ -5197,9 +5069,25 @@ void SurfaceFlinger::dumpCompositionDisplays(std::string& result) const {
 }
 
 void SurfaceFlinger::dumpDisplays(std::string& result) const {
+    utils::Dumper dumper{result};
+
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        utils::Dumper::Section section(dumper, ftl::Concat("Display ", id.value).str());
+
+        display.snapshot().dump(dumper);
+
+        if (const auto device = getDisplayDeviceLocked(id)) {
+            device->dump(dumper);
+        }
+    }
+
     for (const auto& [token, display] : mDisplays) {
-        display->dump(result);
-        result += '\n';
+        if (display->isVirtual()) {
+            const auto displayId = display->getId();
+            utils::Dumper::Section section(dumper,
+                                           ftl::Concat("Virtual Display ", displayId.value).str());
+            display->dump(dumper);
+        }
     }
 }
 
@@ -5254,35 +5142,45 @@ void SurfaceFlinger::dumpRawDisplayIdentificationData(const DumpArgs& args,
 }
 
 void SurfaceFlinger::dumpWideColorInfo(std::string& result) const {
-    StringAppendF(&result, "Device has wide color built-in display: %d\n", hasWideColorDisplay);
+    StringAppendF(&result, "Device supports wide color: %d\n", mSupportsWideColor);
     StringAppendF(&result, "Device uses color management: %d\n", useColorManagement);
     StringAppendF(&result, "DisplayColorSetting: %s\n",
                   decodeDisplayColorSetting(mDisplayColorSetting).c_str());
 
     // TODO: print out if wide-color mode is active or not
 
-    for (const auto& [token, display] : mDisplays) {
-        const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-        if (!displayId) {
-            continue;
-        }
-
-        StringAppendF(&result, "Display %s color modes:\n", to_string(*displayId).c_str());
-        std::vector<ColorMode> modes = getHwComposer().getColorModes(*displayId);
-        for (auto&& mode : modes) {
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        StringAppendF(&result, "Display %s color modes:\n", to_string(id).c_str());
+        for (const auto mode : display.snapshot().colorModes()) {
             StringAppendF(&result, "    %s (%d)\n", decodeColorMode(mode).c_str(), mode);
         }
 
-        ColorMode currentMode = display->getCompositionDisplay()->getState().colorMode;
-        StringAppendF(&result, "    Current color mode: %s (%d)\n",
-                      decodeColorMode(currentMode).c_str(), currentMode);
+        if (const auto display = getDisplayDeviceLocked(id)) {
+            ui::ColorMode currentMode = display->getCompositionDisplay()->getState().colorMode;
+            StringAppendF(&result, "    Current color mode: %s (%d)\n",
+                          decodeColorMode(currentMode).c_str(), currentMode);
+        }
     }
     result.append("\n");
 }
 
 LayersProto SurfaceFlinger::dumpDrawingStateProto(uint32_t traceFlags) const {
+    std::unordered_set<uint64_t> stackIdsToSkip;
+
+    // Determine if virtual layers display should be skipped
+    if ((traceFlags & LayerTracing::TRACE_VIRTUAL_DISPLAYS) == 0) {
+        for (const auto& [_, display] : FTL_FAKE_GUARD(mStateLock, mDisplays)) {
+            if (display->isVirtual()) {
+                stackIdsToSkip.insert(display->getLayerStack().id);
+            }
+        }
+    }
+
     LayersProto layersProto;
     for (const sp<Layer>& layer : mDrawingState.layersSortedByZ) {
+        if (stackIdsToSkip.find(layer->getLayerStack().id) != stackIdsToSkip.end()) {
+            continue;
+        }
         layer->writeToProto(layersProto, traceFlags);
     }
 
@@ -5338,7 +5236,7 @@ void SurfaceFlinger::dumpOffscreenLayers(std::string& result) {
         std::string result;
         for (Layer* offscreenLayer : mOffscreenLayers) {
             offscreenLayer->traverse(LayerVector::StateSet::Drawing,
-                                     [&](Layer* layer) { layer->dumpCallingUidPid(result); });
+                                     [&](Layer* layer) { layer->dumpOffscreenDebugInfo(result); });
         }
         return result;
     });
@@ -5347,6 +5245,23 @@ void SurfaceFlinger::dumpOffscreenLayers(std::string& result) {
     result.append(future.get());
 }
 
+void SurfaceFlinger::dumpHwcLayersMinidumpLocked(std::string& result) const {
+    for (const auto& [token, display] : mDisplays) {
+        const auto displayId = HalDisplayId::tryCast(display->getId());
+        if (!displayId) {
+            continue;
+        }
+
+        StringAppendF(&result, "Display %s (%s) HWC layers:\n", to_string(*displayId).c_str(),
+                      displayId == mActiveDisplayId ? "active" : "inactive");
+        Layer::miniDumpHeader(result);
+
+        const DisplayDevice& ref = *display;
+        mDrawingState.traverseInZOrder([&](Layer* layer) { layer->miniDump(result, ref); });
+        result.append("\n");
+    }
+}
+
 void SurfaceFlinger::dumpAllLocked(const DumpArgs& args, const std::string& compositionLayers,
                                    std::string& result) const {
     const bool colorize = !args.empty() && args[0] == String16("--color");
@@ -5382,10 +5297,9 @@ void SurfaceFlinger::dumpAllLocked(const DumpArgs& args, const std::string& comp
     colorizer.bold(result);
     result.append("Scheduler:\n");
     colorizer.reset(result);
-    dumpVSync(result);
-    result.append("\n");
-
-    dumpStaticScreenStats(result);
+    dumpScheduler(result);
+    dumpEvents(result);
+    dumpVsync(result);
     result.append("\n");
 
     StringAppendF(&result, "Total missed frame count: %u\n", mFrameMissedCount.load());
@@ -5430,17 +5344,15 @@ void SurfaceFlinger::dumpAllLocked(const DumpArgs& args, const std::string& comp
         StringAppendF(&result, "  orientation=%s, isPoweredOn=%d\n",
                       toCString(display->getOrientation()), display->isPoweredOn());
     }
-    StringAppendF(&result,
-                  "  transaction-flags         : %08x\n"
-                  "  gpu_to_cpu_unsupported    : %d\n",
-                  mTransactionFlags.load(), !mGpuToCpuSupported);
+    StringAppendF(&result, "  transaction-flags         : %08x\n", mTransactionFlags.load());
 
     if (const auto display = getDefaultDisplayDeviceLocked()) {
         std::string fps, xDpi, yDpi;
-        if (const auto activeMode = display->getActiveMode()) {
-            fps = to_string(activeMode->getFps());
+        if (const auto activeModePtr =
+                    display->refreshRateSelector().getActiveMode().modePtr.get()) {
+            fps = to_string(activeModePtr->getFps());
 
-            const auto dpi = activeMode->getDpi();
+            const auto dpi = activeModePtr->getDpi();
             xDpi = base::StringPrintf("%.2f", dpi.x);
             yDpi = base::StringPrintf("%.2f", dpi.y);
         } else {
@@ -5471,23 +5383,7 @@ void SurfaceFlinger::dumpAllLocked(const DumpArgs& args, const std::string& comp
     }
     result.push_back('\n');
 
-    /*
-     * HWC layer minidump
-     */
-    for (const auto& [token, display] : mDisplays) {
-        const auto displayId = HalDisplayId::tryCast(display->getId());
-        if (!displayId) {
-            continue;
-        }
-
-        StringAppendF(&result, "Display %s (%s) HWC layers:\n", to_string(*displayId).c_str(),
-                      (isDisplayActiveLocked(display) ? "active" : "inactive"));
-        Layer::miniDumpHeader(result);
-
-        const DisplayDevice& ref = *display;
-        mCurrentState.traverseInZOrder([&](Layer* layer) { layer->miniDump(result, ref); });
-        result.append("\n");
-    }
+    dumpHwcLayersMinidumpLocked(result);
 
     {
         DumpArgs plannerArgs;
@@ -5550,29 +5446,11 @@ status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
 #pragma clang diagnostic push
 #pragma clang diagnostic error "-Wswitch-enum"
     switch (static_cast<ISurfaceComposerTag>(code)) {
-        case ENABLE_VSYNC_INJECTIONS:
-        case INJECT_VSYNC:
-            if (!hasMockHwc()) return PERMISSION_DENIED;
-            [[fallthrough]];
         // These methods should at minimum make sure that the client requested
         // access to SF.
-        case BOOT_FINISHED:
-        case CLEAR_ANIMATION_FRAME_STATS:
-        case GET_ANIMATION_FRAME_STATS:
-        case OVERRIDE_HDR_TYPES:
         case GET_HDR_CAPABILITIES:
-        case SET_DESIRED_DISPLAY_MODE_SPECS:
-        case GET_DESIRED_DISPLAY_MODE_SPECS:
-        case SET_ACTIVE_COLOR_MODE:
-        case SET_BOOT_DISPLAY_MODE:
         case GET_AUTO_LOW_LATENCY_MODE_SUPPORT:
         case GET_GAME_CONTENT_TYPE_SUPPORT:
-        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
-        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED:
-        case GET_DISPLAYED_CONTENT_SAMPLE:
-        case ADD_TUNNEL_MODE_ENABLED_LISTENER:
-        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER:
-        case SET_GLOBAL_SHADOW_SETTINGS:
         case ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN: {
             // OVERRIDE_HDR_TYPES is used by CTS tests, which acquire the necessary
             // permission dynamically. Don't use the permission cache for this check.
@@ -5585,100 +5463,38 @@ status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
             }
             return OK;
         }
-        case GET_LAYER_DEBUG_INFO: {
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int uid = ipc->getCallingUid();
-            if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
-                ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-            return OK;
-        }
-        // Used by apps to hook Choreographer to SurfaceFlinger.
-        case CREATE_DISPLAY_EVENT_CONNECTION:
         // The following calls are currently used by clients that do not
         // request necessary permissions. However, they do not expose any secret
         // information, so it is OK to pass them.
-        case AUTHENTICATE_SURFACE:
         case GET_ACTIVE_COLOR_MODE:
         case GET_ACTIVE_DISPLAY_MODE:
         case GET_DISPLAY_COLOR_MODES:
-        case GET_DISPLAY_NATIVE_PRIMARIES:
-        case GET_STATIC_DISPLAY_INFO:
-        case GET_DYNAMIC_DISPLAY_INFO:
         case GET_DISPLAY_MODES:
-        case GET_SUPPORTED_FRAME_TIMESTAMPS:
         // Calling setTransactionState is safe, because you need to have been
         // granted a reference to Client* and Handle* to do anything with it.
-        case SET_TRANSACTION_STATE:
-        case CREATE_CONNECTION:
-        case GET_COLOR_MANAGEMENT:
-        case GET_COMPOSITION_PREFERENCE:
-        case GET_PROTECTED_CONTENT_SUPPORT:
-        // setFrameRate() is deliberately available for apps to call without any
-        // special permissions.
-        case SET_FRAME_RATE:
-        case GET_DISPLAY_DECORATION_SUPPORT:
-        case SET_FRAME_TIMELINE_INFO:
-        case GET_GPU_CONTEXT_PRIORITY:
-        case GET_MAX_ACQUIRED_BUFFER_COUNT: {
+        case SET_TRANSACTION_STATE: {
             // This is not sensitive information, so should not require permission control.
             return OK;
         }
-        case ADD_FPS_LISTENER:
-        case REMOVE_FPS_LISTENER:
-        case ADD_REGION_SAMPLING_LISTENER:
-        case REMOVE_REGION_SAMPLING_LISTENER: {
-            // codes that require permission check
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int uid = ipc->getCallingUid();
-            if ((uid != AID_GRAPHICS) &&
-                !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
-                ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-            return OK;
-        }
-        case ADD_TRANSACTION_TRACE_LISTENER: {
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int uid = ipc->getCallingUid();
-            if (uid == AID_ROOT || uid == AID_GRAPHICS || uid == AID_SYSTEM || uid == AID_SHELL) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case SET_OVERRIDE_FRAME_RATE: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_ROOT || uid == AID_SYSTEM) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case ON_PULL_ATOM: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_SYSTEM) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case ADD_WINDOW_INFOS_LISTENER:
-        case REMOVE_WINDOW_INFOS_LISTENER: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
+        case BOOT_FINISHED:
+        // Used by apps to hook Choreographer to SurfaceFlinger.
+        case CREATE_DISPLAY_EVENT_CONNECTION:
+        case CREATE_CONNECTION:
         case CREATE_DISPLAY:
         case DESTROY_DISPLAY:
         case GET_PRIMARY_PHYSICAL_DISPLAY_ID:
         case GET_PHYSICAL_DISPLAY_IDS:
         case GET_PHYSICAL_DISPLAY_TOKEN:
+        case AUTHENTICATE_SURFACE:
         case SET_POWER_MODE:
+        case GET_SUPPORTED_FRAME_TIMESTAMPS:
         case GET_DISPLAY_STATE:
         case GET_DISPLAY_STATS:
+        case GET_STATIC_DISPLAY_INFO:
+        case GET_DYNAMIC_DISPLAY_INFO:
+        case GET_DISPLAY_NATIVE_PRIMARIES:
+        case SET_ACTIVE_COLOR_MODE:
+        case SET_BOOT_DISPLAY_MODE:
         case CLEAR_BOOT_DISPLAY_MODE:
         case GET_BOOT_DISPLAY_MODE_SUPPORT:
         case SET_AUTO_LOW_LATENCY_MODE:
@@ -5686,12 +5502,43 @@ status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
         case CAPTURE_LAYERS:
         case CAPTURE_DISPLAY:
         case CAPTURE_DISPLAY_BY_ID:
+        case CLEAR_ANIMATION_FRAME_STATS:
+        case GET_ANIMATION_FRAME_STATS:
+        case OVERRIDE_HDR_TYPES:
+        case ON_PULL_ATOM:
+        case ENABLE_VSYNC_INJECTIONS:
+        case INJECT_VSYNC:
+        case GET_LAYER_DEBUG_INFO:
+        case GET_COLOR_MANAGEMENT:
+        case GET_COMPOSITION_PREFERENCE:
+        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
+        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED:
+        case GET_DISPLAYED_CONTENT_SAMPLE:
+        case GET_PROTECTED_CONTENT_SUPPORT:
         case IS_WIDE_COLOR_DISPLAY:
+        case ADD_REGION_SAMPLING_LISTENER:
+        case REMOVE_REGION_SAMPLING_LISTENER:
+        case ADD_FPS_LISTENER:
+        case REMOVE_FPS_LISTENER:
+        case ADD_TUNNEL_MODE_ENABLED_LISTENER:
+        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER:
+        case ADD_WINDOW_INFOS_LISTENER:
+        case REMOVE_WINDOW_INFOS_LISTENER:
+        case SET_DESIRED_DISPLAY_MODE_SPECS:
+        case GET_DESIRED_DISPLAY_MODE_SPECS:
         case GET_DISPLAY_BRIGHTNESS_SUPPORT:
         case SET_DISPLAY_BRIGHTNESS:
         case ADD_HDR_LAYER_INFO_LISTENER:
         case REMOVE_HDR_LAYER_INFO_LISTENER:
         case NOTIFY_POWER_BOOST:
+        case SET_GLOBAL_SHADOW_SETTINGS:
+        case GET_DISPLAY_DECORATION_SUPPORT:
+        case SET_FRAME_RATE:
+        case SET_OVERRIDE_FRAME_RATE:
+        case SET_FRAME_TIMELINE_INFO:
+        case ADD_TRANSACTION_TRACE_LISTENER:
+        case GET_GPU_CONTEXT_PRIORITY:
+        case GET_MAX_ACQUIRED_BUFFER_COUNT:
             LOG_FATAL("Deprecated opcode: %d, migrated to AIDL", code);
             return PERMISSION_DENIED;
     }
@@ -5773,15 +5620,8 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                 reply->writeInt32(0);
                 reply->writeInt32(mDebugDisableHWC);
                 return NO_ERROR;
-            case 1013: {
-                const auto display = getDefaultDisplayDevice();
-                if (!display) {
-                    return NAME_NOT_FOUND;
-                }
-
-                reply->writeInt32(display->getPageFlipCount());
-                return NO_ERROR;
-            }
+            case 1013: // Unused.
+                return NAME_NOT_FOUND;
             case 1014: {
                 Mutex::Autolock _l(mStateLock);
                 // daltonize
@@ -5852,17 +5692,8 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                 mScheduler->setDuration(mSfConnectionHandle, std::chrono::nanoseconds(n), 0ns);
                 return NO_ERROR;
             }
-            case 1020: { // Layer updates interceptor
-                n = data.readInt32();
-                if (n) {
-                    ALOGV("Interceptor enabled");
-                    mInterceptor->enable(mDrawingState.layersSortedByZ, mDrawingState.displays);
-                }
-                else{
-                    ALOGV("Interceptor disabled");
-                    mInterceptor->disable();
-                }
-                return NO_ERROR;
+            case 1020: { // Unused
+                return NAME_NOT_FOUND;
             }
             case 1021: { // Disable HWC virtual displays
                 const bool enable = data.readInt32() != 0;
@@ -5877,12 +5708,11 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                 updateColorMatrixLocked();
                 return NO_ERROR;
             }
-            case 1023: { // Set native mode
-                int32_t colorMode;
-
+            case 1023: { // Set color mode.
                 mDisplayColorSetting = static_cast<DisplayColorSetting>(data.readInt32());
-                if (data.readInt32(&colorMode) == NO_ERROR) {
-                    mForceColorMode = static_cast<ColorMode>(colorMode);
+
+                if (int32_t colorMode; data.readInt32(&colorMode) == NO_ERROR) {
+                    mForceColorMode = static_cast<ui::ColorMode>(colorMode);
                 }
                 scheduleRepaint();
                 return NO_ERROR;
@@ -5903,7 +5733,8 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                                 (fixedStartingTime) ? fixedStartingTime : systemTime();
                         mScheduler
                                 ->schedule([&]() FTL_FAKE_GUARD(mStateLock) {
-                                    mLayerTracing.notify("start", startingTime);
+                                    mLayerTracing.notify(true /* visibleRegionDirty */,
+                                                         startingTime, mLastCommittedVsyncId.value);
                                 })
                                 .wait();
                     }
@@ -6011,19 +5842,17 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                 return NO_ERROR;
             }
             case 1034: {
-                auto future = mScheduler->schedule([&] {
-                    switch (n = data.readInt32()) {
-                        case 0:
-                        case 1:
-                            FTL_FAKE_GUARD(mStateLock,
-                                           enableRefreshRateOverlay(static_cast<bool>(n)));
-                            break;
-                        default: {
-                            reply->writeBool(
-                                    FTL_FAKE_GUARD(mStateLock, isRefreshRateOverlayEnabled()));
-                        }
-                    }
-                });
+                auto future = mScheduler->schedule(
+                        [&]() FTL_FAKE_GUARD(mStateLock) FTL_FAKE_GUARD(kMainThreadContext) {
+                            switch (n = data.readInt32()) {
+                                case 0:
+                                case 1:
+                                    enableRefreshRateOverlay(static_cast<bool>(n));
+                                    break;
+                                default:
+                                    reply->writeBool(isRefreshRateOverlayEnabled());
+                            }
+                        });
 
                 future.wait();
                 return NO_ERROR;
@@ -6046,7 +5875,7 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                 }();
 
                 mDebugDisplayModeSetByBackdoor = false;
-                const status_t result = setActiveModeFromBackdoor(display, modeId);
+                const status_t result = setActiveModeFromBackdoor(display, DisplayModeId{modeId});
                 mDebugDisplayModeSetByBackdoor = result == NO_ERROR;
                 return result;
             }
@@ -6056,7 +5885,7 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
             case 1036: {
                 if (data.readInt32() > 0) { // turn on
                     return mScheduler
-                            ->schedule([this] {
+                            ->schedule([this]() FTL_FAKE_GUARD(kMainThreadContext) {
                                 const auto display =
                                         FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
 
@@ -6066,24 +5895,22 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r
                                 // defaultMode. The defaultMode doesn't matter for the override
                                 // policy though, since we set allowGroupSwitching to true, so it's
                                 // not a problem.
-                                scheduler::RefreshRateConfigs::Policy overridePolicy;
-                                overridePolicy.defaultMode = display->refreshRateConfigs()
+                                scheduler::RefreshRateSelector::OverridePolicy overridePolicy;
+                                overridePolicy.defaultMode = display->refreshRateSelector()
                                                                      .getDisplayManagerPolicy()
                                                                      .defaultMode;
                                 overridePolicy.allowGroupSwitching = true;
-                                constexpr bool kOverridePolicy = true;
-                                return setDesiredDisplayModeSpecsInternal(display, overridePolicy,
-                                                                          kOverridePolicy);
+                                return setDesiredDisplayModeSpecsInternal(display, overridePolicy);
                             })
                             .get();
                 } else { // turn off
                     return mScheduler
-                            ->schedule([this] {
+                            ->schedule([this]() FTL_FAKE_GUARD(kMainThreadContext) {
                                 const auto display =
                                         FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
-                                constexpr bool kOverridePolicy = true;
-                                return setDesiredDisplayModeSpecsInternal(display, {},
-                                                                          kOverridePolicy);
+                                return setDesiredDisplayModeSpecsInternal(
+                                        display,
+                                        scheduler::RefreshRateSelector::NoOverridePolicy{});
                             })
                             .get();
                 }
@@ -6194,7 +6021,7 @@ void SurfaceFlinger::kernelTimerChanged(bool expired) {
     if (!updateOverlay) return;
 
     // Update the overlay on the main thread to avoid race conditions with
-    // mRefreshRateConfigs->getActiveMode()
+    // RefreshRateSelector::getActiveMode
     static_cast<void>(mScheduler->schedule([=] {
         const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
         if (!display) {
@@ -6205,7 +6032,8 @@ void SurfaceFlinger::kernelTimerChanged(bool expired) {
 
         const auto desiredActiveMode = display->getDesiredActiveMode();
         const std::optional<DisplayModeId> desiredModeId = desiredActiveMode
-                ? std::make_optional(desiredActiveMode->mode->getId())
+                ? std::make_optional(desiredActiveMode->modeOpt->modePtr->getId())
+
                 : std::nullopt;
 
         const bool timerExpired = mKernelIdleTimerEnabled && expired;
@@ -6258,7 +6086,7 @@ void SurfaceFlinger::updateKernelIdleTimer(std::chrono::milliseconds timeout,
 }
 
 void SurfaceFlinger::toggleKernelIdleTimer() {
-    using KernelIdleTimerAction = scheduler::RefreshRateConfigs::KernelIdleTimerAction;
+    using KernelIdleTimerAction = scheduler::RefreshRateSelector::KernelIdleTimerAction;
 
     const auto display = getDefaultDisplayDeviceLocked();
     if (!display) {
@@ -6269,12 +6097,12 @@ void SurfaceFlinger::toggleKernelIdleTimer() {
     // If the support for kernel idle timer is disabled for the active display,
     // don't do anything.
     const std::optional<KernelIdleTimerController> kernelIdleTimerController =
-            display->refreshRateConfigs().kernelIdleTimerController();
+            display->refreshRateSelector().kernelIdleTimerController();
     if (!kernelIdleTimerController.has_value()) {
         return;
     }
 
-    const KernelIdleTimerAction action = display->refreshRateConfigs().getIdleTimerAction();
+    const KernelIdleTimerAction action = display->refreshRateSelector().getIdleTimerAction();
 
     switch (action) {
         case KernelIdleTimerAction::TurnOff:
@@ -6290,7 +6118,7 @@ void SurfaceFlinger::toggleKernelIdleTimer() {
             if (!mKernelIdleTimerEnabled) {
                 ATRACE_INT("KernelIdleTimer", 1);
                 const std::chrono::milliseconds timeout =
-                        display->refreshRateConfigs().getIdleTimerTimeout();
+                        display->refreshRateSelector().getIdleTimerTimeout();
                 updateKernelIdleTimer(timeout, kernelIdleTimerController.value(),
                                       display->getPhysicalId());
                 mKernelIdleTimerEnabled = true;
@@ -6312,18 +6140,6 @@ private:
     const int mApi;
 };
 
-static Dataspace pickDataspaceFromColorMode(const ColorMode colorMode) {
-    switch (colorMode) {
-        case ColorMode::DISPLAY_P3:
-        case ColorMode::BT2100_PQ:
-        case ColorMode::BT2100_HLG:
-        case ColorMode::DISPLAY_BT2020:
-            return Dataspace::DISPLAY_P3;
-        default:
-            return Dataspace::V0_SRGB;
-    }
-}
-
 static bool hasCaptureBlackoutContentPermission() {
     IPCThreadState* ipc = IPCThreadState::self();
     const int pid = ipc->getCallingPid();
@@ -6435,15 +6251,11 @@ status_t SurfaceFlinger::captureDisplay(const DisplayCaptureArgs& args,
             reqSize = display->getLayerStackSpaceRect().getSize();
         }
 
-        // The dataspace is depended on the color mode of display, that could use non-native mode
-        // (ex. displayP3) to enhance the content, but some cases are checking native RGB in bytes,
-        // and failed if display is not in native mode. This provide a way to force using native
-        // colors when capture.
-        dataspace = args.dataspace;
-        if (dataspace == ui::Dataspace::UNKNOWN) {
-            const ui::ColorMode colorMode = display->getCompositionDisplay()->getState().colorMode;
-            dataspace = pickDataspaceFromColorMode(colorMode);
-        }
+        // Allow the caller to specify a dataspace regardless of the display's color mode, e.g. if
+        // it wants sRGB regardless of the display's wide color mode.
+        dataspace = args.dataspace == ui::Dataspace::UNKNOWN
+                ? ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode)
+                : args.dataspace;
     }
 
     RenderAreaFuture renderAreaFuture = ftl::defer([=] {
@@ -6478,9 +6290,7 @@ status_t SurfaceFlinger::captureDisplay(DisplayId displayId,
         displayWeak = display;
         layerStack = display->getLayerStack();
         size = display->getLayerStackSpaceRect().getSize();
-
-        dataspace =
-                pickDataspaceFromColorMode(display->getCompositionDisplay()->getState().colorMode);
+        dataspace = ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode);
     }
 
     RenderAreaFuture renderAreaFuture = ftl::defer([=] {
@@ -6528,7 +6338,7 @@ status_t SurfaceFlinger::captureLayers(const LayerCaptureArgs& args,
     {
         Mutex::Autolock lock(mStateLock);
 
-        parent = fromHandle(args.layerHandle).promote();
+        parent = LayerHandle::getLayer(args.layerHandle);
         if (parent == nullptr) {
             ALOGE("captureLayers called with an invalid or removed parent");
             return NAME_NOT_FOUND;
@@ -6559,7 +6369,7 @@ status_t SurfaceFlinger::captureLayers(const LayerCaptureArgs& args,
         reqSize = ui::Size(crop.width() * args.frameScaleX, crop.height() * args.frameScaleY);
 
         for (const auto& handle : args.excludeHandles) {
-            sp<Layer> excludeLayer = fromHandle(handle).promote();
+            sp<Layer> excludeLayer = LayerHandle::getLayer(handle);
             if (excludeLayer != nullptr) {
                 excludeLayers.emplace(excludeLayer);
             } else {
@@ -6581,7 +6391,8 @@ status_t SurfaceFlinger::captureLayers(const LayerCaptureArgs& args,
         return BAD_VALUE;
     }
 
-    Rect layerStackSpaceRect(0, 0, reqSize.width, reqSize.height);
+    Rect layerStackSpaceRect(crop.left, crop.top, crop.left + reqSize.width,
+                             crop.top + reqSize.height);
     bool childrenOnly = args.childrenOnly;
     RenderAreaFuture renderAreaFuture = ftl::defer([=]() -> std::unique_ptr<RenderArea> {
         return std::make_unique<LayerRenderArea>(*this, parent, crop, reqSize, dataspace,
@@ -6599,7 +6410,7 @@ status_t SurfaceFlinger::captureLayers(const LayerCaptureArgs& args,
                 return;
             }
 
-            sp<Layer> p = layer;
+            auto p = sp<Layer>::fromExisting(layer);
             while (p != nullptr) {
                 if (excludeLayers.count(p) != 0) {
                     return;
@@ -6687,44 +6498,40 @@ ftl::SharedFuture<FenceResult> SurfaceFlinger::captureScreenCommon(
 
     bool canCaptureBlackoutContent = hasCaptureBlackoutContentPermission();
 
-    auto future = mScheduler->schedule([=, renderAreaFuture = std::move(renderAreaFuture)]() mutable
-                                       -> ftl::SharedFuture<FenceResult> {
-        ScreenCaptureResults captureResults;
-        std::unique_ptr<RenderArea> renderArea = renderAreaFuture.get();
-        if (!renderArea) {
-            ALOGW("Skipping screen capture because of invalid render area.");
-            if (captureListener) {
-                captureResults.result = NO_MEMORY;
-                captureListener->onScreenCaptureCompleted(captureResults);
-            }
-            return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
-        }
+    auto future = mScheduler->schedule(
+            [=, renderAreaFuture = std::move(renderAreaFuture)]() FTL_FAKE_GUARD(
+                    kMainThreadContext) mutable -> ftl::SharedFuture<FenceResult> {
+                ScreenCaptureResults captureResults;
+                std::unique_ptr<RenderArea> renderArea = renderAreaFuture.get();
+                if (!renderArea) {
+                    ALOGW("Skipping screen capture because of invalid render area.");
+                    if (captureListener) {
+                        captureResults.fenceResult = base::unexpected(NO_MEMORY);
+                        captureListener->onScreenCaptureCompleted(captureResults);
+                    }
+                    return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
+                }
 
-        ftl::SharedFuture<FenceResult> renderFuture;
-        renderArea->render([&] {
-            renderFuture =
-                    renderScreenImpl(*renderArea, traverseLayers, buffer, canCaptureBlackoutContent,
-                                     regionSampling, grayscale, captureResults);
-        });
+                ftl::SharedFuture<FenceResult> renderFuture;
+                renderArea->render([&]() FTL_FAKE_GUARD(kMainThreadContext) {
+                    renderFuture = renderScreenImpl(std::move(renderArea), traverseLayers, buffer,
+                                                    canCaptureBlackoutContent, regionSampling,
+                                                    grayscale, captureResults);
+                });
 
-        if (captureListener) {
-            // TODO: The future returned by std::async blocks the main thread. Return a chain of
-            // futures to the Binder thread instead.
-            std::async([=]() mutable {
-                ATRACE_NAME("captureListener is nonnull!");
-                auto fenceResult = renderFuture.get();
-                // TODO(b/232535621): Change ScreenCaptureResults to store a FenceResult.
-                captureResults.result = fenceStatus(fenceResult);
-                captureResults.fence = std::move(fenceResult).value_or(Fence::NO_FENCE);
-                captureListener->onScreenCaptureCompleted(captureResults);
+                if (captureListener) {
+                    // Defer blocking on renderFuture back to the Binder thread.
+                    return ftl::Future(std::move(renderFuture))
+                            .then([captureListener, captureResults = std::move(captureResults)](
+                                          FenceResult fenceResult) mutable -> FenceResult {
+                                captureResults.fenceResult = std::move(fenceResult);
+                                captureListener->onScreenCaptureCompleted(captureResults);
+                                return base::unexpected(NO_ERROR);
+                            })
+                            .share();
+                }
+                return renderFuture;
             });
-        }
-        return renderFuture;
-    });
-
-    if (captureListener) {
-        return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
-    }
 
     // Flatten nested futures.
     auto chain = ftl::Future(std::move(future)).then([](ftl::SharedFuture<FenceResult> future) {
@@ -6735,19 +6542,19 @@ ftl::SharedFuture<FenceResult> SurfaceFlinger::captureScreenCommon(
 }
 
 ftl::SharedFuture<FenceResult> SurfaceFlinger::renderScreenImpl(
-        const RenderArea& renderArea, TraverseLayersFunction traverseLayers,
+        std::unique_ptr<RenderArea> renderArea, TraverseLayersFunction traverseLayers,
         const std::shared_ptr<renderengine::ExternalTexture>& buffer,
         bool canCaptureBlackoutContent, bool regionSampling, bool grayscale,
         ScreenCaptureResults& captureResults) {
     ATRACE_CALL();
 
+    size_t layerCount = 0;
     traverseLayers([&](Layer* layer) {
+        layerCount++;
         captureResults.capturedSecureLayers =
                 captureResults.capturedSecureLayers || (layer->isVisible() && layer->isSecure());
     });
 
-    const bool useProtected = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
-
     // We allow the system server to take screenshots of secure layers for
     // use in situations like the Screen-rotation animation and place
     // the impetus on WindowManager to not persist them.
@@ -6757,13 +6564,13 @@ ftl::SharedFuture<FenceResult> SurfaceFlinger::renderScreenImpl(
     }
 
     captureResults.buffer = buffer->getBuffer();
-    auto dataspace = renderArea.getReqDataSpace();
-    auto parent = renderArea.getParentLayer();
+    auto dataspace = renderArea->getReqDataSpace();
+    auto parent = renderArea->getParentLayer();
     auto renderIntent = RenderIntent::TONE_MAP_COLORIMETRIC;
     auto sdrWhitePointNits = DisplayDevice::sDefaultMaxLumiance;
     auto displayBrightnessNits = DisplayDevice::sDefaultMaxLumiance;
 
-    if ((dataspace == ui::Dataspace::UNKNOWN) && (parent != nullptr)) {
+    if (dataspace == ui::Dataspace::UNKNOWN && parent) {
         Mutex::Autolock lock(mStateLock);
         auto display = findDisplay([layerStack = parent->getLayerStack()](const auto& display) {
             return display.getLayerStack() == layerStack;
@@ -6773,129 +6580,113 @@ ftl::SharedFuture<FenceResult> SurfaceFlinger::renderScreenImpl(
             display = getDefaultDisplayDeviceLocked();
         }
 
-        const ui::ColorMode colorMode = display->getCompositionDisplay()->getState().colorMode;
-        dataspace = pickDataspaceFromColorMode(colorMode);
+        dataspace = ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode);
         renderIntent = display->getCompositionDisplay()->getState().renderIntent;
         sdrWhitePointNits = display->getCompositionDisplay()->getState().sdrWhitePointNits;
         displayBrightnessNits = display->getCompositionDisplay()->getState().displayBrightnessNits;
     }
     captureResults.capturedDataspace = dataspace;
 
-    const auto reqWidth = renderArea.getReqWidth();
-    const auto reqHeight = renderArea.getReqHeight();
-    const auto sourceCrop = renderArea.getSourceCrop();
-    const auto transform = renderArea.getTransform();
-    const auto rotation = renderArea.getRotationFlags();
-    const auto& layerStackSpaceRect = renderArea.getLayerStackSpaceRect();
-
-    renderengine::DisplaySettings clientCompositionDisplay;
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompositionLayers;
-
-    // assume that bounds are never offset, and that they are the same as the
-    // buffer bounds.
-    clientCompositionDisplay.physicalDisplay = Rect(reqWidth, reqHeight);
-    clientCompositionDisplay.clip = sourceCrop;
-    clientCompositionDisplay.orientation = rotation;
-
-    clientCompositionDisplay.outputDataspace = dataspace;
-    clientCompositionDisplay.currentLuminanceNits = displayBrightnessNits;
-    clientCompositionDisplay.maxLuminance = DisplayDevice::sDefaultMaxLumiance;
-    clientCompositionDisplay.renderIntent =
-            static_cast<aidl::android::hardware::graphics::composer3::RenderIntent>(renderIntent);
-
-    const float colorSaturation = grayscale ? 0 : 1;
-    clientCompositionDisplay.colorTransform = calculateColorMatrix(colorSaturation);
-
-    const float alpha = RenderArea::getCaptureFillValue(renderArea.getCaptureFill());
-
-    compositionengine::LayerFE::LayerSettings fillLayer;
-    fillLayer.source.buffer.buffer = nullptr;
-    fillLayer.source.solidColor = half3(0.0, 0.0, 0.0);
-    fillLayer.geometry.boundaries =
-            FloatRect(sourceCrop.left, sourceCrop.top, sourceCrop.right, sourceCrop.bottom);
-    fillLayer.alpha = half(alpha);
-    clientCompositionLayers.push_back(fillLayer);
-
-    const auto display = renderArea.getDisplayDevice();
-    std::vector<Layer*> renderedLayers;
-    bool disableBlurs = false;
+    const auto transform = renderArea->getTransform();
+    const auto display = renderArea->getDisplayDevice();
+
+    std::vector<std::pair<Layer*, sp<LayerFE>>> layers;
+    layers.reserve(layerCount);
+    std::unordered_set<compositionengine::LayerFE*> filterForScreenshot;
     traverseLayers([&](Layer* layer) {
-        disableBlurs |= layer->getDrawingState().sidebandStream != nullptr;
-
-        Region clip(renderArea.getBounds());
-        compositionengine::LayerFE::ClientCompositionTargetSettings targetSettings{
-                clip,
-                layer->needsFilteringForScreenshots(display.get(), transform) ||
-                        renderArea.needsFiltering(),
-                renderArea.isSecure(),
-                useProtected,
-                layerStackSpaceRect,
-                clientCompositionDisplay.outputDataspace,
-                true,  /* realContentIsVisible */
-                false, /* clearContent */
-                disableBlurs ? compositionengine::LayerFE::ClientCompositionTargetSettings::
-                                       BlurSetting::Disabled
-                             : compositionengine::LayerFE::ClientCompositionTargetSettings::
-                                       BlurSetting::Enabled,
-                isHdrLayer(layer) ? displayBrightnessNits : sdrWhitePointNits,
+        captureResults.capturedHdrLayers |= isHdrLayer(layer);
+        // Layer::prepareClientComposition uses the layer's snapshot to populate the resulting
+        // LayerSettings. Calling Layer::updateSnapshot ensures that LayerSettings are
+        // generated with the layer's current buffer and geometry.
+        layer->updateSnapshot(true /* updateGeometry */);
 
-        };
-        std::vector<compositionengine::LayerFE::LayerSettings> results =
-                layer->prepareClientCompositionList(targetSettings);
-        if (results.size() > 0) {
-            for (auto& settings : results) {
-                settings.geometry.positionTransform =
-                        transform.asMatrix4() * settings.geometry.positionTransform;
-                // There's no need to process blurs when we're executing region sampling,
-                // we're just trying to understand what we're drawing, and doing so without
-                // blurs is already a pretty good approximation.
-                if (regionSampling) {
-                    settings.backgroundBlurRadius = 0;
-                }
-                captureResults.capturedHdrLayers |= isHdrLayer(layer);
-            }
+        layers.emplace_back(layer, layer->copyCompositionEngineLayerFE());
 
-            clientCompositionLayers.insert(clientCompositionLayers.end(),
-                                           std::make_move_iterator(results.begin()),
-                                           std::make_move_iterator(results.end()));
-            renderedLayers.push_back(layer);
-        }
+        sp<LayerFE>& layerFE = layers.back().second;
+
+        layerFE->mSnapshot->geomLayerTransform =
+                renderArea->getTransform() * layerFE->mSnapshot->geomLayerTransform;
 
+        if (layer->needsFilteringForScreenshots(display.get(), transform)) {
+            filterForScreenshot.insert(layerFE.get());
+        }
     });
 
-    std::vector<renderengine::LayerSettings> clientRenderEngineLayers;
-    clientRenderEngineLayers.reserve(clientCompositionLayers.size());
-    std::transform(clientCompositionLayers.begin(), clientCompositionLayers.end(),
-                   std::back_inserter(clientRenderEngineLayers),
-                   [](compositionengine::LayerFE::LayerSettings& settings)
-                           -> renderengine::LayerSettings { return settings; });
+    ui::LayerStack layerStack{ui::DEFAULT_LAYER_STACK};
+    if (!layers.empty()) {
+        const sp<LayerFE>& layerFE = layers.back().second;
+        layerStack = layerFE->getCompositionState()->outputFilter.layerStack;
+    }
 
-    // Use an empty fence for the buffer fence, since we just created the buffer so
-    // there is no need for synchronization with the GPU.
-    base::unique_fd bufferFence;
-    getRenderEngine().useProtectedContext(useProtected);
+    auto copyLayerFEs = [&layers]() {
+        std::vector<sp<compositionengine::LayerFE>> layerFEs;
+        layerFEs.reserve(layers.size());
+        for (const auto& [_, layerFE] : layers) {
+            layerFEs.push_back(layerFE);
+        }
+        return layerFEs;
+    };
 
-    constexpr bool kUseFramebufferCache = false;
-    auto chain =
-            ftl::Future(getRenderEngine().drawLayers(clientCompositionDisplay,
-                                                     clientRenderEngineLayers, buffer,
-                                                     kUseFramebufferCache, std::move(bufferFence)))
-                    .then(&toFenceResult);
+    auto present = [this, buffer = std::move(buffer), dataspace, sdrWhitePointNits,
+                    displayBrightnessNits, filterForScreenshot = std::move(filterForScreenshot),
+                    grayscale, layerFEs = copyLayerFEs(), layerStack, regionSampling,
+                    renderArea = std::move(renderArea), renderIntent]() -> FenceResult {
+        std::unique_ptr<compositionengine::CompositionEngine> compositionEngine =
+                mFactory.createCompositionEngine();
+        compositionEngine->setRenderEngine(mRenderEngine.get());
+
+        compositionengine::Output::ColorProfile colorProfile{.dataspace = dataspace,
+                                                             .renderIntent = renderIntent};
+
+        std::shared_ptr<ScreenCaptureOutput> output = createScreenCaptureOutput(
+                ScreenCaptureOutputArgs{.compositionEngine = *compositionEngine,
+                                        .colorProfile = colorProfile,
+                                        .renderArea = *renderArea,
+                                        .layerStack = layerStack,
+                                        .buffer = std::move(buffer),
+                                        .sdrWhitePointNits = sdrWhitePointNits,
+                                        .displayBrightnessNits = displayBrightnessNits,
+                                        .filterForScreenshot = std::move(filterForScreenshot),
+                                        .regionSampling = regionSampling});
+
+        const float colorSaturation = grayscale ? 0 : 1;
+        compositionengine::CompositionRefreshArgs refreshArgs{
+                .outputs = {output},
+                .layers = std::move(layerFEs),
+                .updatingOutputGeometryThisFrame = true,
+                .updatingGeometryThisFrame = true,
+                .colorTransformMatrix = calculateColorMatrix(colorSaturation),
+        };
+        compositionEngine->present(refreshArgs);
 
-    const auto future = chain.share();
-    for (auto* layer : renderedLayers) {
-        layer->onLayerDisplayed(future);
-    }
+        return output->getRenderSurface()->getClientTargetAcquireFence();
+    };
 
-    // Always switch back to unprotected context.
-    getRenderEngine().useProtectedContext(false);
+    // If RenderEngine is threaded, we can safely call CompositionEngine::present off the main
+    // thread as the RenderEngine::drawLayers call will run on RenderEngine's thread. Otherwise,
+    // we need RenderEngine to run on the main thread so we call CompositionEngine::present
+    // immediately.
+    //
+    // TODO(b/196334700) Once we use RenderEngineThreaded everywhere we can always defer the call
+    // to CompositionEngine::present.
+    const bool renderEngineIsThreaded = [&]() {
+        using Type = renderengine::RenderEngine::RenderEngineType;
+        const auto type = mRenderEngine->getRenderEngineType();
+        return type == Type::THREADED || type == Type::SKIA_GL_THREADED;
+    }();
+    auto presentFuture = renderEngineIsThreaded ? ftl::defer(std::move(present)).share()
+                                                : ftl::yield(present()).share();
 
-    return future;
-}
+    for (auto& [layer, layerFE] : layers) {
+        layer->onLayerDisplayed(
+                ftl::Future(presentFuture)
+                        .then([layerFE = std::move(layerFE)](FenceResult) {
+                            return layerFE->stealCompositionResult().releaseFences.back().get();
+                        })
+                        .share());
+    }
 
-void SurfaceFlinger::windowInfosReported() {
-    Mutex::Autolock _l(mStateLock);
-    signalSynchronousTransactions(CountDownLatch::eSyncInputWindows);
+    return presentFuture;
 }
 
 // ---------------------------------------------------------------------------
@@ -6936,9 +6727,28 @@ void SurfaceFlinger::traverseLayersInLayerStack(ui::LayerStack layerStack, const
     }
 }
 
+ftl::Optional<scheduler::FrameRateMode> SurfaceFlinger::getPreferredDisplayMode(
+        PhysicalDisplayId displayId, DisplayModeId defaultModeId) const {
+    if (const auto schedulerMode = mScheduler->getPreferredDisplayMode();
+        schedulerMode && schedulerMode->modePtr->getPhysicalDisplayId() == displayId) {
+        return schedulerMode;
+    }
+
+    return mPhysicalDisplays.get(displayId)
+            .transform(&PhysicalDisplay::snapshotRef)
+            .and_then([&](const display::DisplaySnapshot& snapshot) {
+                return snapshot.displayModes().get(defaultModeId);
+            })
+            .transform([](const DisplayModePtr& modePtr) {
+                return scheduler::FrameRateMode{modePtr->getFps(), ftl::as_non_null(modePtr)};
+            });
+}
+
 status_t SurfaceFlinger::setDesiredDisplayModeSpecsInternal(
         const sp<DisplayDevice>& display,
-        const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy) {
+        const scheduler::RefreshRateSelector::PolicyVariant& policy) {
+    const auto displayId = display->getPhysicalId();
+
     Mutex::Autolock lock(mStateLock);
 
     if (mDebugDisplayModeSetByBackdoor) {
@@ -6946,64 +6756,88 @@ status_t SurfaceFlinger::setDesiredDisplayModeSpecsInternal(
         return NO_ERROR;
     }
 
-    const status_t setPolicyResult = display->setRefreshRatePolicy(policy, overridePolicy);
-    if (setPolicyResult < 0) {
-        return BAD_VALUE;
-    }
-    if (setPolicyResult == scheduler::RefreshRateConfigs::CURRENT_POLICY_UNCHANGED) {
-        return NO_ERROR;
-    }
+    auto& selector = display->refreshRateSelector();
+    using SetPolicyResult = scheduler::RefreshRateSelector::SetPolicyResult;
 
-    scheduler::RefreshRateConfigs::Policy currentPolicy =
-            display->refreshRateConfigs().getCurrentPolicy();
+    switch (selector.setPolicy(policy)) {
+        case SetPolicyResult::Invalid:
+            return BAD_VALUE;
+        case SetPolicyResult::Unchanged:
+            return NO_ERROR;
+        case SetPolicyResult::Changed:
+            return applyRefreshRateSelectorPolicy(displayId, selector);
+    }
+}
 
+status_t SurfaceFlinger::applyRefreshRateSelectorPolicy(
+        PhysicalDisplayId displayId, const scheduler::RefreshRateSelector& selector) {
+    const scheduler::RefreshRateSelector::Policy currentPolicy = selector.getCurrentPolicy();
     ALOGV("Setting desired display mode specs: %s", currentPolicy.toString().c_str());
 
     // TODO(b/140204874): Leave the event in until we do proper testing with all apps that might
     // be depending in this callback.
-    const auto activeMode = display->getActiveMode();
-    if (isDisplayActiveLocked(display)) {
+    if (const auto activeMode = selector.getActiveMode(); displayId == mActiveDisplayId) {
         mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, activeMode);
         toggleKernelIdleTimer();
     } else {
         mScheduler->onNonPrimaryDisplayModeChanged(mAppConnectionHandle, activeMode);
     }
 
-    const DisplayModePtr preferredDisplayMode = [&] {
-        const auto schedulerMode = mScheduler->getPreferredDisplayMode();
-        if (schedulerMode && schedulerMode->getPhysicalDisplayId() == display->getPhysicalId()) {
-            return schedulerMode;
-        }
+    auto preferredModeOpt = getPreferredDisplayMode(displayId, currentPolicy.defaultMode);
+    if (!preferredModeOpt) {
+        ALOGE("%s: Preferred mode is unknown", __func__);
+        return NAME_NOT_FOUND;
+    }
 
-        return display->getMode(currentPolicy.defaultMode);
-    }();
+    auto preferredMode = std::move(*preferredModeOpt);
+    const auto preferredModeId = preferredMode.modePtr->getId();
 
-    ALOGV("trying to switch to Scheduler preferred mode %d (%s)",
-          preferredDisplayMode->getId().value(), to_string(preferredDisplayMode->getFps()).c_str());
+    ALOGV("Switching to Scheduler preferred mode %d (%s)", preferredModeId.value(),
+          to_string(preferredMode.fps).c_str());
 
-    if (display->refreshRateConfigs().isModeAllowed(preferredDisplayMode->getId())) {
-        ALOGV("switching to Scheduler preferred display mode %d",
-              preferredDisplayMode->getId().value());
-        setDesiredActiveMode({preferredDisplayMode, DisplayModeEvent::Changed});
-    } else {
-        LOG_ALWAYS_FATAL("Desired display mode not allowed: %d",
-                         preferredDisplayMode->getId().value());
+    if (!selector.isModeAllowed(preferredMode)) {
+        ALOGE("%s: Preferred mode %d is disallowed", __func__, preferredModeId.value());
+        return INVALID_OPERATION;
     }
 
+    setDesiredActiveMode({std::move(preferredMode), .emitEvent = true});
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setDesiredDisplayModeSpecs(
-        const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode, bool allowGroupSwitching,
-        float primaryRefreshRateMin, float primaryRefreshRateMax, float appRequestRefreshRateMin,
-        float appRequestRefreshRateMax) {
+namespace {
+FpsRange translate(const gui::DisplayModeSpecs::RefreshRateRanges::RefreshRateRange& aidlRange) {
+    return FpsRange{Fps::fromValue(aidlRange.min), Fps::fromValue(aidlRange.max)};
+}
+
+FpsRanges translate(const gui::DisplayModeSpecs::RefreshRateRanges& aidlRanges) {
+    return FpsRanges{translate(aidlRanges.physical), translate(aidlRanges.render)};
+}
+
+gui::DisplayModeSpecs::RefreshRateRanges::RefreshRateRange translate(const FpsRange& range) {
+    gui::DisplayModeSpecs::RefreshRateRanges::RefreshRateRange aidlRange;
+    aidlRange.min = range.min.getValue();
+    aidlRange.max = range.max.getValue();
+    return aidlRange;
+}
+
+gui::DisplayModeSpecs::RefreshRateRanges translate(const FpsRanges& ranges) {
+    gui::DisplayModeSpecs::RefreshRateRanges aidlRanges;
+    aidlRanges.physical = translate(ranges.physical);
+    aidlRanges.render = translate(ranges.render);
+    return aidlRanges;
+}
+
+} // namespace
+
+status_t SurfaceFlinger::setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                                    const gui::DisplayModeSpecs& specs) {
     ATRACE_CALL();
 
     if (!displayToken) {
         return BAD_VALUE;
     }
 
-    auto future = mScheduler->schedule([=]() -> status_t {
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) -> status_t {
         const auto display = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(displayToken));
         if (!display) {
             ALOGE("Attempt to set desired display modes for invalid display token %p",
@@ -7013,16 +6847,11 @@ status_t SurfaceFlinger::setDesiredDisplayModeSpecs(
             ALOGW("Attempt to set desired display modes for virtual display");
             return INVALID_OPERATION;
         } else {
-            using Policy = scheduler::RefreshRateConfigs::Policy;
-            const Policy policy{DisplayModeId(defaultMode),
-                                allowGroupSwitching,
-                                {Fps::fromValue(primaryRefreshRateMin),
-                                 Fps::fromValue(primaryRefreshRateMax)},
-                                {Fps::fromValue(appRequestRefreshRateMin),
-                                 Fps::fromValue(appRequestRefreshRateMax)}};
-            constexpr bool kOverridePolicy = false;
+            using Policy = scheduler::RefreshRateSelector::DisplayManagerPolicy;
+            const Policy policy{DisplayModeId(specs.defaultMode), translate(specs.primaryRanges),
+                                translate(specs.appRequestRanges), specs.allowGroupSwitching};
 
-            return setDesiredDisplayModeSpecsInternal(display, policy, kOverridePolicy);
+            return setDesiredDisplayModeSpecsInternal(display, policy);
         }
     });
 
@@ -7030,16 +6859,10 @@ status_t SurfaceFlinger::setDesiredDisplayModeSpecs(
 }
 
 status_t SurfaceFlinger::getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                                    ui::DisplayModeId* outDefaultMode,
-                                                    bool* outAllowGroupSwitching,
-                                                    float* outPrimaryRefreshRateMin,
-                                                    float* outPrimaryRefreshRateMax,
-                                                    float* outAppRequestRefreshRateMin,
-                                                    float* outAppRequestRefreshRateMax) {
+                                                    gui::DisplayModeSpecs* outSpecs) {
     ATRACE_CALL();
 
-    if (!displayToken || !outDefaultMode || !outPrimaryRefreshRateMin ||
-        !outPrimaryRefreshRateMax || !outAppRequestRefreshRateMin || !outAppRequestRefreshRateMax) {
+    if (!displayToken || !outSpecs) {
         return BAD_VALUE;
     }
 
@@ -7053,21 +6876,15 @@ status_t SurfaceFlinger::getDesiredDisplayModeSpecs(const sp<IBinder>& displayTo
         return INVALID_OPERATION;
     }
 
-    scheduler::RefreshRateConfigs::Policy policy =
-            display->refreshRateConfigs().getDisplayManagerPolicy();
-    *outDefaultMode = policy.defaultMode.value();
-    *outAllowGroupSwitching = policy.allowGroupSwitching;
-    *outPrimaryRefreshRateMin = policy.primaryRange.min.getValue();
-    *outPrimaryRefreshRateMax = policy.primaryRange.max.getValue();
-    *outAppRequestRefreshRateMin = policy.appRequestRange.min.getValue();
-    *outAppRequestRefreshRateMax = policy.appRequestRange.max.getValue();
+    scheduler::RefreshRateSelector::Policy policy =
+            display->refreshRateSelector().getDisplayManagerPolicy();
+    outSpecs->defaultMode = policy.defaultMode.value();
+    outSpecs->allowGroupSwitching = policy.allowGroupSwitching;
+    outSpecs->primaryRanges = translate(policy.primaryRanges);
+    outSpecs->appRequestRanges = translate(policy.appRequestRanges);
     return NO_ERROR;
 }
 
-wp<Layer> SurfaceFlinger::fromHandle(const sp<IBinder>& handle) const {
-    return Layer::fromHandle(handle);
-}
-
 void SurfaceFlinger::onLayerFirstRef(Layer* layer) {
     mNumLayers++;
     if (!layer->isRemovedFromCurrentState()) {
@@ -7130,45 +6947,12 @@ const std::unordered_map<std::string, uint32_t>& SurfaceFlinger::getGenericLayer
     // on the work to remove the table in that bug rather than adding more to
     // it.
     static const std::unordered_map<std::string, uint32_t> genericLayerMetadataKeyMap{
-            {"org.chromium.arc.V1_0.TaskId", METADATA_TASK_ID},
-            {"org.chromium.arc.V1_0.CursorInfo", METADATA_MOUSE_CURSOR},
+            {"org.chromium.arc.V1_0.TaskId", gui::METADATA_TASK_ID},
+            {"org.chromium.arc.V1_0.CursorInfo", gui::METADATA_MOUSE_CURSOR},
     };
     return genericLayerMetadataKeyMap;
 }
 
-status_t SurfaceFlinger::setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                                      int8_t compatibility, int8_t changeFrameRateStrategy) {
-    if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
-                           "SurfaceFlinger::setFrameRate")) {
-        return BAD_VALUE;
-    }
-
-    static_cast<void>(mScheduler->schedule([=] {
-        Mutex::Autolock lock(mStateLock);
-        if (authenticateSurfaceTextureLocked(surface)) {
-            sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
-            if (layer == nullptr) {
-                ALOGE("Attempt to set frame rate on a layer that no longer exists");
-                return BAD_VALUE;
-            }
-            const auto strategy =
-                    Layer::FrameRate::convertChangeFrameRateStrategy(changeFrameRateStrategy);
-            if (layer->setFrameRate(
-                        Layer::FrameRate(Fps::fromValue(frameRate),
-                                         Layer::FrameRate::convertCompatibility(compatibility),
-                                         strategy))) {
-                setTransactionFlags(eTraversalNeeded);
-            }
-        } else {
-            ALOGE("Attempt to set frame rate on an unrecognized IGraphicBufferProducer");
-            return BAD_VALUE;
-        }
-        return NO_ERROR;
-    }));
-
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::setOverrideFrameRate(uid_t uid, float frameRate) {
     PhysicalDisplayId displayId = [&]() {
         Mutex::Autolock lock(mStateLock);
@@ -7180,44 +6964,18 @@ status_t SurfaceFlinger::setOverrideFrameRate(uid_t uid, float frameRate) {
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                              const FrameTimelineInfo& frameTimelineInfo) {
-    Mutex::Autolock lock(mStateLock);
-    if (!authenticateSurfaceTextureLocked(surface)) {
-        ALOGE("Attempt to set frame timeline info on an unrecognized IGraphicBufferProducer");
-        return BAD_VALUE;
-    }
-
-    sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
-    if (layer == nullptr) {
-        ALOGE("Attempt to set frame timeline info on a layer that no longer exists");
-        return BAD_VALUE;
-    }
-
-    layer->setFrameTimelineInfoForBuffer(frameTimelineInfo);
-    return NO_ERROR;
-}
-
 void SurfaceFlinger::enableRefreshRateOverlay(bool enable) {
-    for (const auto& [ignored, display] : mDisplays) {
-        if (display->isInternal()) {
-            display->enableRefreshRateOverlay(enable, mRefreshRateOverlaySpinner);
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        if (display.snapshot().connectionType() == ui::DisplayConnectionType::Internal) {
+            if (const auto device = getDisplayDeviceLocked(id)) {
+                device->enableRefreshRateOverlay(enable, mRefreshRateOverlaySpinner,
+                                                 mRefreshRateOverlayRenderRate);
+            }
         }
     }
 }
 
-status_t SurfaceFlinger::addTransactionTraceListener(
-        const sp<gui::ITransactionTraceListener>& listener) {
-    if (!listener) {
-        return BAD_VALUE;
-    }
-
-    mInterceptor->addTransactionTraceListener(listener);
-
-    return NO_ERROR;
-}
-
-int SurfaceFlinger::getGPUContextPriority() {
+int SurfaceFlinger::getGpuContextPriority() {
     return getRenderEngine().getContextPriority();
 }
 
@@ -7235,7 +6993,7 @@ status_t SurfaceFlinger::getMaxAcquiredBufferCount(int* buffers) const {
 
     if (!getHwComposer().isHeadless()) {
         if (const auto display = getDefaultDisplayDevice()) {
-            maxRefreshRate = display->refreshRateConfigs().getSupportedRefreshRateRange().max;
+            maxRefreshRate = display->refreshRateSelector().getSupportedRefreshRateRange().max;
         }
     }
 
@@ -7250,7 +7008,7 @@ uint32_t SurfaceFlinger::getMaxAcquiredBufferCountForCurrentRefreshRate(uid_t ui
         refreshRate = *frameRateOverride;
     } else if (!getHwComposer().isHeadless()) {
         if (const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked())) {
-            refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
+            refreshRate = display->refreshRateSelector().getActiveMode().fps;
         }
     }
 
@@ -7263,7 +7021,7 @@ int SurfaceFlinger::getMaxAcquiredBufferCountForRefreshRate(Fps refreshRate) con
     return calculateMaxAcquiredBufferCount(refreshRate, presentLatency);
 }
 
-void SurfaceFlinger::handleLayerCreatedLocked(const LayerCreatedState& state) {
+void SurfaceFlinger::handleLayerCreatedLocked(const LayerCreatedState& state, VsyncId vsyncId) {
     sp<Layer> layer = state.layer.promote();
     if (!layer) {
         ALOGD("Layer was destroyed soon after creation %p", state.layer.unsafe_get());
@@ -7292,9 +7050,23 @@ void SurfaceFlinger::handleLayerCreatedLocked(const LayerCreatedState& state) {
         parent->addChild(layer);
     }
 
-    layer->updateTransformHint(mActiveDisplayTransformHint);
+    ui::LayerStack layerStack = layer->getLayerStack(LayerVector::StateSet::Current);
+    sp<const DisplayDevice> hintDisplay;
+    // Find the display that includes the layer.
+    for (const auto& [token, display] : mDisplays) {
+        if (display->getLayerStack() == layerStack) {
+            hintDisplay = display;
+            break;
+        }
+    }
+
+    if (hintDisplay) {
+        layer->updateTransformHint(hintDisplay->getTransformHint());
+    }
 
-    mInterceptor->saveSurfaceCreation(layer);
+    if (mTransactionTracing) {
+        mTransactionTracing->onLayerAddedToDrawingState(layer->getSequence(), vsyncId.value);
+    }
 }
 
 void SurfaceFlinger::sample() {
@@ -7305,33 +7077,34 @@ void SurfaceFlinger::sample() {
     mRegionSamplingThread->onCompositionComplete(mScheduler->getScheduledFrameTime());
 }
 
-void SurfaceFlinger::onActiveDisplaySizeChanged(const sp<DisplayDevice>& activeDisplay) {
+void SurfaceFlinger::onActiveDisplaySizeChanged(const sp<const DisplayDevice>& activeDisplay) {
     mScheduler->onActiveDisplayAreaChanged(activeDisplay->getWidth() * activeDisplay->getHeight());
     getRenderEngine().onActiveDisplaySizeChanged(activeDisplay->getSize());
 }
 
-void SurfaceFlinger::onActiveDisplayChangedLocked(const sp<DisplayDevice>& activeDisplay) {
+void SurfaceFlinger::onActiveDisplayChangedLocked(const sp<DisplayDevice>& inactiveDisplay,
+                                                  const sp<DisplayDevice>& activeDisplay) {
     ATRACE_CALL();
 
-    if (const auto display = getDisplayDeviceLocked(mActiveDisplayToken)) {
-        display->getCompositionDisplay()->setLayerCachingTexturePoolEnabled(false);
+    if (inactiveDisplay) {
+        inactiveDisplay->getCompositionDisplay()->setLayerCachingTexturePoolEnabled(false);
     }
 
-    if (!activeDisplay) {
-        ALOGE("%s: activeDisplay is null", __func__);
-        return;
-    }
-    mActiveDisplayToken = activeDisplay->getDisplayToken();
+    mActiveDisplayId = activeDisplay->getPhysicalId();
     activeDisplay->getCompositionDisplay()->setLayerCachingTexturePoolEnabled(true);
+
     updateInternalDisplayVsyncLocked(activeDisplay);
     mScheduler->setModeChangePending(false);
-    mScheduler->setRefreshRateConfigs(activeDisplay->holdRefreshRateConfigs());
+    mScheduler->setLeaderDisplay(mActiveDisplayId);
+
     onActiveDisplaySizeChanged(activeDisplay);
     mActiveDisplayTransformHint = activeDisplay->getTransformHint();
 
-    // Update the kernel timer for the current active display, since the policy
-    // for this display might have changed when it was not the active display.
-    toggleKernelIdleTimer();
+    // The policy of the new active/leader display may have changed while it was inactive. In that
+    // case, its preferred mode has not been propagated to HWC (via setDesiredActiveMode). In either
+    // case, the Scheduler's cachedModeChangedParams must be initialized to the newly active mode,
+    // and the kernel idle timer of the newly active display must be toggled.
+    applyRefreshRateSelectorPolicy(mActiveDisplayId, activeDisplay->refreshRateSelector());
 }
 
 status_t SurfaceFlinger::addWindowInfosListener(
@@ -7347,37 +7120,95 @@ status_t SurfaceFlinger::removeWindowInfosListener(
 }
 
 std::shared_ptr<renderengine::ExternalTexture> SurfaceFlinger::getExternalTextureFromBufferData(
-        const BufferData& bufferData, const char* layerName) const {
-    bool cacheIdChanged = bufferData.flags.test(BufferData::BufferDataChange::cachedBufferChanged);
-    bool bufferSizeExceedsLimit = false;
-    std::shared_ptr<renderengine::ExternalTexture> buffer = nullptr;
-    if (cacheIdChanged && bufferData.buffer != nullptr) {
-        bufferSizeExceedsLimit = exceedsMaxRenderTargetSize(bufferData.buffer->getWidth(),
-                                                            bufferData.buffer->getHeight());
-        if (!bufferSizeExceedsLimit) {
-            ClientCache::getInstance().add(bufferData.cachedBuffer, bufferData.buffer);
-            buffer = ClientCache::getInstance().get(bufferData.cachedBuffer);
-        }
-    } else if (cacheIdChanged) {
-        buffer = ClientCache::getInstance().get(bufferData.cachedBuffer);
-    } else if (bufferData.buffer != nullptr) {
-        bufferSizeExceedsLimit = exceedsMaxRenderTargetSize(bufferData.buffer->getWidth(),
-                                                            bufferData.buffer->getHeight());
-        if (!bufferSizeExceedsLimit) {
-            buffer = std::make_shared<
-                    renderengine::impl::ExternalTexture>(bufferData.buffer, getRenderEngine(),
-                                                         renderengine::impl::ExternalTexture::
-                                                                 Usage::READABLE);
-        }
-    }
-    ALOGE_IF(bufferSizeExceedsLimit,
-             "Attempted to create an ExternalTexture for layer %s that exceeds render target size "
-             "limit.",
-             layerName);
-    return buffer;
-}
-
-bool SurfaceFlinger::commitCreatedLayers() {
+        BufferData& bufferData, const char* layerName, uint64_t transactionId) {
+    if (bufferData.buffer &&
+        exceedsMaxRenderTargetSize(bufferData.buffer->getWidth(), bufferData.buffer->getHeight())) {
+        std::string errorMessage =
+                base::StringPrintf("Attempted to create an ExternalTexture with size (%u, %u) for "
+                                   "layer %s that exceeds render target size limit of %u.",
+                                   bufferData.buffer->getWidth(), bufferData.buffer->getHeight(),
+                                   layerName, static_cast<uint32_t>(mMaxRenderTargetSize));
+        ALOGD("%s", errorMessage.c_str());
+        if (bufferData.releaseBufferListener) {
+            bufferData.releaseBufferListener->onTransactionQueueStalled(errorMessage);
+        }
+        return nullptr;
+    }
+
+    bool cachedBufferChanged =
+            bufferData.flags.test(BufferData::BufferDataChange::cachedBufferChanged);
+    if (cachedBufferChanged && bufferData.buffer) {
+        auto result = ClientCache::getInstance().add(bufferData.cachedBuffer, bufferData.buffer);
+        if (result.ok()) {
+            return result.value();
+        }
+
+        if (result.error() == ClientCache::AddError::CacheFull) {
+            ALOGE("Attempted to create an ExternalTexture for layer %s but CacheFull", layerName);
+
+            if (bufferData.releaseBufferListener) {
+                bufferData.releaseBufferListener->onTransactionQueueStalled(
+                        "Buffer processing hung due to full buffer cache");
+            }
+        }
+
+        return nullptr;
+    }
+
+    if (cachedBufferChanged) {
+        return ClientCache::getInstance().get(bufferData.cachedBuffer);
+    }
+
+    if (bufferData.buffer) {
+        return std::make_shared<
+                renderengine::impl::ExternalTexture>(bufferData.buffer, getRenderEngine(),
+                                                     renderengine::impl::ExternalTexture::Usage::
+                                                             READABLE);
+    }
+
+    return nullptr;
+}
+
+bool SurfaceFlinger::commitMirrorDisplays(VsyncId vsyncId) {
+    std::vector<MirrorDisplayState> mirrorDisplays;
+    {
+        std::scoped_lock<std::mutex> lock(mMirrorDisplayLock);
+        mirrorDisplays = std::move(mMirrorDisplays);
+        mMirrorDisplays.clear();
+        if (mirrorDisplays.size() == 0) {
+            return false;
+        }
+    }
+
+    sp<IBinder> unused;
+    for (const auto& mirrorDisplay : mirrorDisplays) {
+        // Set mirror layer's default layer stack to -1 so it doesn't end up rendered on a display
+        // accidentally.
+        sp<Layer> rootMirrorLayer = LayerHandle::getLayer(mirrorDisplay.rootHandle);
+        rootMirrorLayer->setLayerStack(ui::LayerStack::fromValue(-1));
+        for (const auto& layer : mDrawingState.layersSortedByZ) {
+            if (layer->getLayerStack() != mirrorDisplay.layerStack ||
+                layer->isInternalDisplayOverlay()) {
+                continue;
+            }
+
+            LayerCreationArgs mirrorArgs(this, mirrorDisplay.client, "MirrorLayerParent",
+                                         ISurfaceComposerClient::eNoColorFill,
+                                         gui::LayerMetadata());
+            sp<Layer> childMirror;
+            createEffectLayer(mirrorArgs, &unused, &childMirror);
+            childMirror->setClonedChild(layer->createClone());
+            if (mTransactionTracing) {
+                mTransactionTracing->onLayerAddedToDrawingState(childMirror->getSequence(),
+                                                                vsyncId.value);
+            }
+            childMirror->reparent(mirrorDisplay.rootHandle);
+        }
+    }
+    return true;
+}
+
+bool SurfaceFlinger::commitCreatedLayers(VsyncId vsyncId) {
     std::vector<LayerCreatedState> createdLayers;
     {
         std::scoped_lock<std::mutex> lock(mCreatedLayersLock);
@@ -7390,33 +7221,92 @@ bool SurfaceFlinger::commitCreatedLayers() {
 
     Mutex::Autolock _l(mStateLock);
     for (const auto& createdLayer : createdLayers) {
-        handleLayerCreatedLocked(createdLayer);
+        handleLayerCreatedLocked(createdLayer, vsyncId);
     }
     createdLayers.clear();
     mLayersAdded = true;
     return true;
 }
 
+void SurfaceFlinger::updateLayerMetadataSnapshot() {
+    LayerMetadata parentMetadata;
+    for (const auto& layer : mDrawingState.layersSortedByZ) {
+        layer->updateMetadataSnapshot(parentMetadata);
+    }
+
+    std::unordered_set<Layer*> visited;
+    mDrawingState.traverse([&visited](Layer* layer) {
+        if (visited.find(layer) != visited.end()) {
+            return;
+        }
+
+        // If the layer isRelativeOf, then either it's relative metadata will be set
+        // recursively when updateRelativeMetadataSnapshot is called on its relative parent or
+        // it's relative parent has been deleted. Clear the layer's relativeLayerMetadata to ensure
+        // that layers with deleted relative parents don't hold stale relativeLayerMetadata.
+        if (layer->getDrawingState().isRelativeOf) {
+            layer->editLayerSnapshot()->relativeLayerMetadata = {};
+            return;
+        }
+
+        layer->updateRelativeMetadataSnapshot({}, visited);
+    });
+}
+
 // gui::ISurfaceComposer
 
+binder::Status SurfaceComposerAIDL::bootFinished() {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+    mFlinger->bootFinished();
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::createDisplayEventConnection(
+        VsyncSource vsyncSource, EventRegistration eventRegistration,
+        sp<IDisplayEventConnection>* outConnection) {
+    sp<IDisplayEventConnection> conn =
+            mFlinger->createDisplayEventConnection(vsyncSource, eventRegistration);
+    if (conn == nullptr) {
+        *outConnection = nullptr;
+        return binderStatusFromStatusT(BAD_VALUE);
+    } else {
+        *outConnection = conn;
+        return binder::Status::ok();
+    }
+}
+
+binder::Status SurfaceComposerAIDL::createConnection(sp<gui::ISurfaceComposerClient>* outClient) {
+    const sp<Client> client = sp<Client>::make(mFlinger);
+    if (client->initCheck() == NO_ERROR) {
+        *outClient = client;
+        return binder::Status::ok();
+    } else {
+        *outClient = nullptr;
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+}
+
 binder::Status SurfaceComposerAIDL::createDisplay(const std::string& displayName, bool secure,
                                                   sp<IBinder>* outDisplay) {
     status_t status = checkAccessPermission();
-    if (status == OK) {
-        String8 displayName8 = String8::format("%s", displayName.c_str());
-        *outDisplay = mFlinger->createDisplay(displayName8, secure);
-        return binder::Status::ok();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
     }
-    return binder::Status::fromStatusT(status);
+    String8 displayName8 = String8::format("%s", displayName.c_str());
+    *outDisplay = mFlinger->createDisplay(displayName8, secure);
+    return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::destroyDisplay(const sp<IBinder>& display) {
     status_t status = checkAccessPermission();
-    if (status == OK) {
-        mFlinger->destroyDisplay(display);
-        return binder::Status::ok();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
     }
-    return binder::Status::fromStatusT(status);
+    mFlinger->destroyDisplay(display);
+    return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::getPhysicalDisplayIds(std::vector<int64_t>* outDisplayIds) {
@@ -7430,22 +7320,12 @@ binder::Status SurfaceComposerAIDL::getPhysicalDisplayIds(std::vector<int64_t>*
     return binder::Status::ok();
 }
 
-binder::Status SurfaceComposerAIDL::getPrimaryPhysicalDisplayId(int64_t* outDisplayId) {
+binder::Status SurfaceComposerAIDL::getPhysicalDisplayToken(int64_t displayId,
+                                                            sp<IBinder>* outDisplay) {
     status_t status = checkAccessPermission();
     if (status != OK) {
-        return binder::Status::fromStatusT(status);
+        return binderStatusFromStatusT(status);
     }
-
-    PhysicalDisplayId id;
-    status = mFlinger->getPrimaryPhysicalDisplayId(&id);
-    if (status == NO_ERROR) {
-        *outDisplayId = id.value;
-    }
-    return binder::Status::fromStatusT(status);
-}
-
-binder::Status SurfaceComposerAIDL::getPhysicalDisplayToken(int64_t displayId,
-                                                            sp<IBinder>* outDisplay) {
     const auto id = DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
     *outDisplay = mFlinger->getPhysicalDisplayToken(*id);
     return binder::Status::ok();
@@ -7453,12 +7333,25 @@ binder::Status SurfaceComposerAIDL::getPhysicalDisplayToken(int64_t displayId,
 
 binder::Status SurfaceComposerAIDL::setPowerMode(const sp<IBinder>& display, int mode) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setPowerMode(display, mode);
     return binder::Status::ok();
 }
 
+binder::Status SurfaceComposerAIDL::getSupportedFrameTimestamps(
+        std::vector<FrameEvent>* outSupported) {
+    status_t status;
+    if (!outSupported) {
+        status = UNEXPECTED_NULL;
+    } else {
+        outSupported->clear();
+        status = mFlinger->getSupportedFrameTimestamps(outSupported);
+    }
+    return binderStatusFromStatusT(status);
+}
+
 binder::Status SurfaceComposerAIDL::getDisplayStats(const sp<IBinder>& display,
                                                     gui::DisplayStatInfo* outStatInfo) {
     DisplayStatInfo statInfo;
@@ -7467,7 +7360,7 @@ binder::Status SurfaceComposerAIDL::getDisplayStats(const sp<IBinder>& display,
         outStatInfo->vsyncTime = static_cast<long>(statInfo.vsyncTime);
         outStatInfo->vsyncPeriod = static_cast<long>(statInfo.vsyncPeriod);
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getDisplayState(const sp<IBinder>& display,
@@ -7480,37 +7373,201 @@ binder::Status SurfaceComposerAIDL::getDisplayState(const sp<IBinder>& display,
         outState->layerStackSpaceRect.width = state.layerStackSpaceRect.width;
         outState->layerStackSpaceRect.height = state.layerStackSpaceRect.height;
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getStaticDisplayInfo(int64_t displayId,
+                                                         gui::StaticDisplayInfo* outInfo) {
+    using Tag = gui::DeviceProductInfo::ManufactureOrModelDate::Tag;
+    ui::StaticDisplayInfo info;
+
+    status_t status = mFlinger->getStaticDisplayInfo(displayId, &info);
+    if (status == NO_ERROR) {
+        // convert ui::StaticDisplayInfo to gui::StaticDisplayInfo
+        outInfo->connectionType = static_cast<gui::DisplayConnectionType>(info.connectionType);
+        outInfo->density = info.density;
+        outInfo->secure = info.secure;
+        outInfo->installOrientation = static_cast<gui::Rotation>(info.installOrientation);
+
+        gui::DeviceProductInfo dinfo;
+        std::optional<DeviceProductInfo> dpi = info.deviceProductInfo;
+        dinfo.name = std::move(dpi->name);
+        dinfo.manufacturerPnpId =
+                std::vector<uint8_t>(dpi->manufacturerPnpId.begin(), dpi->manufacturerPnpId.end());
+        dinfo.productId = dpi->productId;
+        dinfo.relativeAddress =
+                std::vector<uint8_t>(dpi->relativeAddress.begin(), dpi->relativeAddress.end());
+        if (const auto* model =
+                    std::get_if<DeviceProductInfo::ModelYear>(&dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ModelYear modelYear;
+            modelYear.year = model->year;
+            dinfo.manufactureOrModelDate.set<Tag::modelYear>(modelYear);
+        } else if (const auto* manufacture = std::get_if<DeviceProductInfo::ManufactureYear>(
+                           &dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ManufactureYear date;
+            date.modelYear.year = manufacture->year;
+            dinfo.manufactureOrModelDate.set<Tag::manufactureYear>(date);
+        } else if (const auto* manufacture = std::get_if<DeviceProductInfo::ManufactureWeekAndYear>(
+                           &dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ManufactureWeekAndYear date;
+            date.manufactureYear.modelYear.year = manufacture->year;
+            date.week = manufacture->week;
+            dinfo.manufactureOrModelDate.set<Tag::manufactureWeekAndYear>(date);
+        }
+
+        outInfo->deviceProductInfo = dinfo;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+void SurfaceComposerAIDL::getDynamicDisplayInfoInternal(ui::DynamicDisplayInfo& info,
+                                                        gui::DynamicDisplayInfo*& outInfo) {
+    // convert ui::DynamicDisplayInfo to gui::DynamicDisplayInfo
+    outInfo->supportedDisplayModes.clear();
+    outInfo->supportedDisplayModes.reserve(info.supportedDisplayModes.size());
+    for (const auto& mode : info.supportedDisplayModes) {
+        gui::DisplayMode outMode;
+        outMode.id = mode.id;
+        outMode.resolution.width = mode.resolution.width;
+        outMode.resolution.height = mode.resolution.height;
+        outMode.xDpi = mode.xDpi;
+        outMode.yDpi = mode.yDpi;
+        outMode.refreshRate = mode.refreshRate;
+        outMode.appVsyncOffset = mode.appVsyncOffset;
+        outMode.sfVsyncOffset = mode.sfVsyncOffset;
+        outMode.presentationDeadline = mode.presentationDeadline;
+        outMode.group = mode.group;
+        std::transform(mode.supportedHdrTypes.begin(), mode.supportedHdrTypes.end(),
+                       std::back_inserter(outMode.supportedHdrTypes),
+                       [](const ui::Hdr& value) { return static_cast<int32_t>(value); });
+        outInfo->supportedDisplayModes.push_back(outMode);
+    }
+
+    outInfo->activeDisplayModeId = info.activeDisplayModeId;
+    outInfo->renderFrameRate = info.renderFrameRate;
+
+    outInfo->supportedColorModes.clear();
+    outInfo->supportedColorModes.reserve(info.supportedColorModes.size());
+    for (const auto& cmode : info.supportedColorModes) {
+        outInfo->supportedColorModes.push_back(static_cast<int32_t>(cmode));
+    }
+
+    outInfo->activeColorMode = static_cast<int32_t>(info.activeColorMode);
+
+    gui::HdrCapabilities& hdrCapabilities = outInfo->hdrCapabilities;
+    hdrCapabilities.supportedHdrTypes.clear();
+    hdrCapabilities.supportedHdrTypes.reserve(info.hdrCapabilities.getSupportedHdrTypes().size());
+    for (const auto& hdr : info.hdrCapabilities.getSupportedHdrTypes()) {
+        hdrCapabilities.supportedHdrTypes.push_back(static_cast<int32_t>(hdr));
+    }
+    hdrCapabilities.maxLuminance = info.hdrCapabilities.getDesiredMaxLuminance();
+    hdrCapabilities.maxAverageLuminance = info.hdrCapabilities.getDesiredMaxAverageLuminance();
+    hdrCapabilities.minLuminance = info.hdrCapabilities.getDesiredMinLuminance();
+
+    outInfo->autoLowLatencyModeSupported = info.autoLowLatencyModeSupported;
+    outInfo->gameContentTypeSupported = info.gameContentTypeSupported;
+    outInfo->preferredBootDisplayMode = info.preferredBootDisplayMode;
+}
+
+binder::Status SurfaceComposerAIDL::getDynamicDisplayInfoFromToken(
+        const sp<IBinder>& display, gui::DynamicDisplayInfo* outInfo) {
+    ui::DynamicDisplayInfo info;
+    status_t status = mFlinger->getDynamicDisplayInfoFromToken(display, &info);
+    if (status == NO_ERROR) {
+        getDynamicDisplayInfoInternal(info, outInfo);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDynamicDisplayInfoFromId(int64_t displayId,
+                                                                gui::DynamicDisplayInfo* outInfo) {
+    ui::DynamicDisplayInfo info;
+    status_t status = mFlinger->getDynamicDisplayInfoFromId(displayId, &info);
+    if (status == NO_ERROR) {
+        getDynamicDisplayInfoInternal(info, outInfo);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayNativePrimaries(const sp<IBinder>& display,
+                                                              gui::DisplayPrimaries* outPrimaries) {
+    ui::DisplayPrimaries primaries;
+    status_t status = mFlinger->getDisplayNativePrimaries(display, primaries);
+    if (status == NO_ERROR) {
+        outPrimaries->red.X = primaries.red.X;
+        outPrimaries->red.Y = primaries.red.Y;
+        outPrimaries->red.Z = primaries.red.Z;
+
+        outPrimaries->green.X = primaries.green.X;
+        outPrimaries->green.Y = primaries.green.Y;
+        outPrimaries->green.Z = primaries.green.Z;
+
+        outPrimaries->blue.X = primaries.blue.X;
+        outPrimaries->blue.Y = primaries.blue.Y;
+        outPrimaries->blue.Z = primaries.blue.Z;
+
+        outPrimaries->white.X = primaries.white.X;
+        outPrimaries->white.Y = primaries.white.Y;
+        outPrimaries->white.Z = primaries.white.Z;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setActiveColorMode(const sp<IBinder>& display, int colorMode) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setActiveColorMode(display, static_cast<ui::ColorMode>(colorMode));
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setBootDisplayMode(const sp<IBinder>& display,
+                                                       int displayModeId) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setBootDisplayMode(display, DisplayModeId{displayModeId});
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::clearBootDisplayMode(const sp<IBinder>& display) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->clearBootDisplayMode(display);
+    }
+    return binderStatusFromStatusT(status);
+}
 
-    status = mFlinger->clearBootDisplayMode(display);
-    return binder::Status::fromStatusT(status);
+binder::Status SurfaceComposerAIDL::getOverlaySupport(gui::OverlayProperties* outProperties) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->getOverlaySupport(outProperties);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getBootDisplayModeSupport(bool* outMode) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->getBootDisplayModeSupport(outMode);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->getBootDisplayModeSupport(outMode);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setAutoLowLatencyMode(display, on);
     return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::setGameContentType(const sp<IBinder>& display, bool on) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setGameContentType(display, on);
     return binder::Status::ok();
 }
@@ -7518,7 +7575,7 @@ binder::Status SurfaceComposerAIDL::setGameContentType(const sp<IBinder>& displa
 binder::Status SurfaceComposerAIDL::captureDisplay(
         const DisplayCaptureArgs& args, const sp<IScreenCaptureListener>& captureListener) {
     status_t status = mFlinger->captureDisplay(args, captureListener);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::captureDisplayById(
@@ -7532,60 +7589,369 @@ binder::Status SurfaceComposerAIDL::captureDisplayById(
     } else {
         status = PERMISSION_DENIED;
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::captureLayers(
         const LayerCaptureArgs& args, const sp<IScreenCaptureListener>& captureListener) {
     status_t status = mFlinger->captureLayers(args, captureListener);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::overrideHdrTypes(const sp<IBinder>& display,
+                                                     const std::vector<int32_t>& hdrTypes) {
+    // overrideHdrTypes is used by CTS tests, which acquire the necessary
+    // permission dynamically. Don't use the permission cache for this check.
+    status_t status = checkAccessPermission(false);
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    std::vector<ui::Hdr> hdrTypesVector;
+    for (int32_t i : hdrTypes) {
+        hdrTypesVector.push_back(static_cast<ui::Hdr>(i));
+    }
+    status = mFlinger->overrideHdrTypes(display, hdrTypesVector);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::onPullAtom(int32_t atomId, gui::PullAtomData* outPullData) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid != AID_SYSTEM) {
+        status = PERMISSION_DENIED;
+    } else {
+        status = mFlinger->onPullAtom(atomId, &outPullData->data, &outPullData->success);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) {
+    if (!outLayers) {
+        return binderStatusFromStatusT(UNEXPECTED_NULL);
+    }
+
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int pid = ipc->getCallingPid();
+    const int uid = ipc->getCallingUid();
+    if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
+        ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
+        return binderStatusFromStatusT(PERMISSION_DENIED);
+    }
+    status_t status = mFlinger->getLayerDebugInfo(outLayers);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getColorManagement(bool* outGetColorManagement) {
+    status_t status = mFlinger->getColorManagement(outGetColorManagement);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getCompositionPreference(gui::CompositionPreference* outPref) {
+    ui::Dataspace dataspace;
+    ui::PixelFormat pixelFormat;
+    ui::Dataspace wideColorGamutDataspace;
+    ui::PixelFormat wideColorGamutPixelFormat;
+    status_t status =
+            mFlinger->getCompositionPreference(&dataspace, &pixelFormat, &wideColorGamutDataspace,
+                                               &wideColorGamutPixelFormat);
+    if (status == NO_ERROR) {
+        outPref->defaultDataspace = static_cast<int32_t>(dataspace);
+        outPref->defaultPixelFormat = static_cast<int32_t>(pixelFormat);
+        outPref->wideColorGamutDataspace = static_cast<int32_t>(wideColorGamutDataspace);
+        outPref->wideColorGamutPixelFormat = static_cast<int32_t>(wideColorGamutPixelFormat);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayedContentSamplingAttributes(
+        const sp<IBinder>& display, gui::ContentSamplingAttributes* outAttrs) {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    ui::PixelFormat format;
+    ui::Dataspace dataspace;
+    uint8_t componentMask;
+    status = mFlinger->getDisplayedContentSamplingAttributes(display, &format, &dataspace,
+                                                             &componentMask);
+    if (status == NO_ERROR) {
+        outAttrs->format = static_cast<int32_t>(format);
+        outAttrs->dataspace = static_cast<int32_t>(dataspace);
+        outAttrs->componentMask = static_cast<int8_t>(componentMask);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
+                                                                     bool enable,
+                                                                     int8_t componentMask,
+                                                                     int64_t maxFrames) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setDisplayContentSamplingEnabled(display, enable,
+                                                            static_cast<uint8_t>(componentMask),
+                                                            static_cast<uint64_t>(maxFrames));
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayedContentSample(const sp<IBinder>& display,
+                                                              int64_t maxFrames, int64_t timestamp,
+                                                              gui::DisplayedFrameStats* outStats) {
+    if (!outStats) {
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    DisplayedFrameStats stats;
+    status = mFlinger->getDisplayedContentSample(display, static_cast<uint64_t>(maxFrames),
+                                                 static_cast<uint64_t>(timestamp), &stats);
+    if (status == NO_ERROR) {
+        // convert from ui::DisplayedFrameStats to gui::DisplayedFrameStats
+        outStats->numFrames = static_cast<int64_t>(stats.numFrames);
+        outStats->component_0_sample.reserve(stats.component_0_sample.size());
+        for (const auto& s : stats.component_0_sample) {
+            outStats->component_0_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_1_sample.reserve(stats.component_1_sample.size());
+        for (const auto& s : stats.component_1_sample) {
+            outStats->component_1_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_2_sample.reserve(stats.component_2_sample.size());
+        for (const auto& s : stats.component_2_sample) {
+            outStats->component_2_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_3_sample.reserve(stats.component_3_sample.size());
+        for (const auto& s : stats.component_3_sample) {
+            outStats->component_3_sample.push_back(static_cast<int64_t>(s));
+        }
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getProtectedContentSupport(bool* outSupported) {
+    status_t status = mFlinger->getProtectedContentSupport(outSupported);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::isWideColorDisplay(const sp<IBinder>& token,
                                                        bool* outIsWideColorDisplay) {
     status_t status = mFlinger->isWideColorDisplay(token, outIsWideColorDisplay);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addRegionSamplingListener(
+        const gui::ARect& samplingArea, const sp<IBinder>& stopLayerHandle,
+        const sp<gui::IRegionSamplingListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+    android::Rect rect;
+    rect.left = samplingArea.left;
+    rect.top = samplingArea.top;
+    rect.right = samplingArea.right;
+    rect.bottom = samplingArea.bottom;
+    status = mFlinger->addRegionSamplingListener(rect, stopLayerHandle, listener);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeRegionSamplingListener(
+        const sp<gui::IRegionSamplingListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->removeRegionSamplingListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addFpsListener(int32_t taskId,
+                                                   const sp<gui::IFpsListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->addFpsListener(taskId, listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeFpsListener(const sp<gui::IFpsListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->removeFpsListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addTunnelModeEnabledListener(
+        const sp<gui::ITunnelModeEnabledListener>& listener) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->addTunnelModeEnabledListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeTunnelModeEnabledListener(
+        const sp<gui::ITunnelModeEnabledListener>& listener) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->removeTunnelModeEnabledListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                                               const gui::DisplayModeSpecs& specs) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setDesiredDisplayModeSpecs(displayToken, specs);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                                               gui::DisplayModeSpecs* outSpecs) {
+    if (!outSpecs) {
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    status = mFlinger->getDesiredDisplayModeSpecs(displayToken, outSpecs);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
                                                                 bool* outSupport) {
     status_t status = mFlinger->getDisplayBrightnessSupport(displayToken, outSupport);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::setDisplayBrightness(const sp<IBinder>& displayToken,
                                                          const gui::DisplayBrightness& brightness) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->setDisplayBrightness(displayToken, brightness);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->setDisplayBrightness(displayToken, brightness);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::addHdrLayerInfoListener(
         const sp<IBinder>& displayToken, const sp<gui::IHdrLayerInfoListener>& listener) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->addHdrLayerInfoListener(displayToken, listener);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->addHdrLayerInfoListener(displayToken, listener);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::removeHdrLayerInfoListener(
         const sp<IBinder>& displayToken, const sp<gui::IHdrLayerInfoListener>& listener) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->removeHdrLayerInfoListener(displayToken, listener);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->removeHdrLayerInfoListener(displayToken, listener);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::notifyPowerBoost(int boostId) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->notifyPowerBoost(boostId);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setGlobalShadowSettings(const gui::Color& ambientColor,
+                                                            const gui::Color& spotColor,
+                                                            float lightPosY, float lightPosZ,
+                                                            float lightRadius) {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    half4 ambientColorHalf = {ambientColor.r, ambientColor.g, ambientColor.b, ambientColor.a};
+    half4 spotColorHalf = {spotColor.r, spotColor.g, spotColor.b, spotColor.a};
+    status = mFlinger->setGlobalShadowSettings(ambientColorHalf, spotColorHalf, lightPosY,
+                                               lightPosZ, lightRadius);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayDecorationSupport(
+        const sp<IBinder>& displayToken, std::optional<gui::DisplayDecorationSupport>* outSupport) {
+    std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport> support;
+    status_t status = mFlinger->getDisplayDecorationSupport(displayToken, &support);
+    if (status != NO_ERROR) {
+        ALOGE("getDisplayDecorationSupport failed with error %d", status);
+        return binderStatusFromStatusT(status);
+    }
+
+    if (!support || !support.has_value()) {
+        outSupport->reset();
+    } else {
+        outSupport->emplace();
+        outSupport->value().format = static_cast<int32_t>(support->format);
+        outSupport->value().alphaInterpretation =
+                static_cast<int32_t>(support->alphaInterpretation);
+    }
+
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::setOverrideFrameRate(int32_t uid, float frameRate) {
+    status_t status;
+    const int c_uid = IPCThreadState::self()->getCallingUid();
+    if (c_uid == AID_ROOT || c_uid == AID_SYSTEM) {
+        status = mFlinger->setOverrideFrameRate(uid, frameRate);
+    } else {
+        ALOGE("setOverrideFrameRate() permission denied for uid: %d", c_uid);
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getGpuContextPriority(int32_t* outPriority) {
+    *outPriority = mFlinger->getGpuContextPriority();
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::getMaxAcquiredBufferCount(int32_t* buffers) {
+    status_t status = mFlinger->getMaxAcquiredBufferCount(buffers);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addWindowInfosListener(
+        const sp<gui::IWindowInfosListener>& windowInfosListener) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
+        status = mFlinger->addWindowInfosListener(windowInfosListener);
+    } else {
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
+}
 
-    status = mFlinger->notifyPowerBoost(boostId);
-    return binder::Status::fromStatusT(status);
+binder::Status SurfaceComposerAIDL::removeWindowInfosListener(
+        const sp<gui::IWindowInfosListener>& windowInfosListener) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
+        status = mFlinger->removeWindowInfosListener(windowInfosListener);
+    } else {
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
 }
 
 status_t SurfaceComposerAIDL::checkAccessPermission(bool usePermissionCache) {
@@ -7610,6 +7976,17 @@ status_t SurfaceComposerAIDL::checkControlDisplayBrightnessPermission() {
     return OK;
 }
 
+status_t SurfaceComposerAIDL::checkReadFrameBufferPermission() {
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int pid = ipc->getCallingPid();
+    const int uid = ipc->getCallingUid();
+    if ((uid != AID_GRAPHICS) && !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
+        ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
+        return PERMISSION_DENIED;
+    }
+    return OK;
+}
+
 } // namespace android
 
 #if defined(__gl_h_)
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 02846fef0d..c957b678e9 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -25,15 +25,18 @@
 #include <android/gui/BnSurfaceComposer.h>
 #include <android/gui/DisplayStatInfo.h>
 #include <android/gui/DisplayState.h>
+#include <android/gui/ISurfaceComposerClient.h>
+#include <android/gui/ITransactionCompletedListener.h>
 #include <cutils/atomic.h>
 #include <cutils/compiler.h>
 #include <ftl/future.h>
-#include <ftl/small_map.h>
+#include <ftl/non_null.h>
 #include <gui/BufferQueue.h>
+#include <gui/CompositorTiming.h>
 #include <gui/FrameTimestamps.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
-#include <gui/ITransactionCompletedListener.h>
+#include <gui/LayerDebugInfo.h>
+
 #include <gui/LayerState.h>
 #include <layerproto/LayerProtoHeader.h>
 #include <math/mat4.h>
@@ -50,26 +53,30 @@
 #include <utils/Trace.h>
 #include <utils/threads.h>
 
-#include <compositionengine/FenceResult.h>
 #include <compositionengine/OutputColorSetting.h>
 #include <scheduler/Fps.h>
+#include <scheduler/PresentLatencyTracker.h>
+#include <scheduler/Time.h>
+#include <ui/FenceResult.h>
 
-#include "ClientCache.h"
+#include "Display/DisplayMap.h"
+#include "Display/PhysicalDisplay.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWC2.h"
 #include "DisplayHardware/PowerAdvisor.h"
 #include "DisplayIdGenerator.h"
 #include "Effects/Daltonizer.h"
 #include "FlagManager.h"
-#include "FrameTracker.h"
+#include "FrontEnd/DisplayInfo.h"
+#include "FrontEnd/LayerCreationArgs.h"
+#include "FrontEnd/TransactionHandler.h"
 #include "LayerVector.h"
-#include "Scheduler/RefreshRateConfigs.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "Scheduler/RefreshRateStats.h"
 #include "Scheduler/Scheduler.h"
 #include "Scheduler/VsyncModulator.h"
 #include "SurfaceFlingerFactory.h"
 #include "ThreadContext.h"
-#include "TracedOrdinal.h"
 #include "Tracing/LayerTracing.h"
 #include "Tracing/TransactionTracing.h"
 #include "TransactionCallbackInvoker.h"
@@ -90,14 +97,15 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <utility>
+#include <vector>
 
 #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
+#include "Client.h"
 
 using namespace android::surfaceflinger;
 
 namespace android {
 
-class Client;
 class EventThread;
 class FlagManager;
 class FpsReporter;
@@ -115,10 +123,13 @@ class FrameTracer;
 class ScreenCapturer;
 class WindowInfosListenerInvoker;
 
+using frontend::TransactionHandler;
 using gui::CaptureArgs;
 using gui::DisplayCaptureArgs;
 using gui::IRegionSamplingListener;
+using gui::ITransactionCompletedListener;
 using gui::LayerCaptureArgs;
+
 using gui::ScreenCaptureResults;
 
 namespace frametimeline {
@@ -166,24 +177,6 @@ enum class LatchUnsignaledConfig {
 
 using DisplayColorSetting = compositionengine::OutputColorSetting;
 
-struct SurfaceFlingerBE {
-    // protected by mCompositorTimingLock;
-    mutable std::mutex mCompositorTimingLock;
-    CompositorTiming mCompositorTiming;
-
-    // Only accessed from the main thread.
-    struct CompositePresentTime {
-        nsecs_t composite = -1;
-        std::shared_ptr<FenceTime> display = FenceTime::NO_FENCE;
-    };
-    std::queue<CompositePresentTime> mCompositePresentTimes;
-
-    static const size_t NUM_BUCKETS = 8; // < 1-7, 7+
-    nsecs_t mFrameBuckets[NUM_BUCKETS] = {};
-    nsecs_t mTotalTime = 0;
-    std::atomic<nsecs_t> mLastSwapTime = 0;
-};
-
 class SurfaceFlinger : public BnSurfaceComposer,
                        public PriorityDumper,
                        private IBinder::DeathRecipient,
@@ -204,29 +197,6 @@ public:
 
     static char const* getServiceName() ANDROID_API { return "SurfaceFlinger"; }
 
-    // This is the phase offset in nanoseconds of the software vsync event
-    // relative to the vsync event reported by HWComposer.  The software vsync
-    // event is when SurfaceFlinger and Choreographer-based applications run each
-    // frame.
-    //
-    // This phase offset allows adjustment of the minimum latency from application
-    // wake-up time (by Choreographer) to the time at which the resulting window
-    // image is displayed.  This value may be either positive (after the HW vsync)
-    // or negative (before the HW vsync). Setting it to 0 will result in a lower
-    // latency bound of two vsync periods because the app and SurfaceFlinger
-    // will run just after the HW vsync.  Setting it to a positive number will
-    // result in the minimum latency being:
-    //
-    //     (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD))
-    //
-    // Note that reducing this latency makes it more likely for the applications
-    // to not have their window content image ready in time.  When this happens
-    // the latency will end up being an additional vsync period, and animations
-    // will hiccup.  Therefore, this latency should be tuned somewhat
-    // conservatively (or at least with awareness of the trade-off being made).
-    static int64_t vsyncPhaseOffsetNs;
-    static int64_t sfVsyncPhaseOffsetNs;
-
     // If fences from sync Framework are supported.
     static bool hasSyncFramework;
 
@@ -249,10 +219,6 @@ public:
     static uint32_t maxGraphicsWidth;
     static uint32_t maxGraphicsHeight;
 
-    // Indicate if a device has wide color gamut display. This is typically
-    // found on devices with wide color gamut (e.g. Display-P3) display.
-    static bool hasWideColorDisplay;
-
     // Indicate if device wants color management on its display.
     static const constexpr bool useColorManagement = true;
 
@@ -280,9 +246,6 @@ public:
     // starts SurfaceFlinger main loop in the current thread
     void run() ANDROID_API;
 
-    SurfaceFlingerBE& getBE() { return mBE; }
-    const SurfaceFlingerBE& getBE() const { return mBE; }
-
     // Indicates frame activity, i.e. whether commit and/or composite is taking place.
     enum class FrameHint { kNone, kActive };
 
@@ -309,9 +272,6 @@ public:
 
     renderengine::RenderEngine& getRenderEngine() const;
 
-    bool authenticateSurfaceTextureLocked(
-        const sp<IGraphicBufferProducer>& bufferProducer) const;
-
     void onLayerFirstRef(Layer*);
     void onLayerDestroyed(Layer*);
     void onLayerUpdate();
@@ -319,6 +279,11 @@ public:
     void removeHierarchyFromOffscreenLayers(Layer* layer);
     void removeFromOffscreenLayers(Layer* layer);
 
+    // Called when all clients have released all their references to
+    // this layer. The layer may still be kept alive by its parents but
+    // the client can no longer modify this layer directly.
+    void onHandleDestroyed(BBinder* handle, sp<Layer>& layer, uint32_t layerId);
+
     // TODO: Remove atomic if move dtor to main thread CL lands
     std::atomic<uint32_t> mNumClones;
 
@@ -326,16 +291,9 @@ public:
         return mTransactionCallbackInvoker;
     }
 
-    // Converts from a binder handle to a Layer
-    // Returns nullptr if the handle does not point to an existing layer.
-    // Otherwise, returns a weak reference so that callers off the main-thread
-    // won't accidentally hold onto the last strong reference.
-    wp<Layer> fromHandle(const sp<IBinder>& handle) const;
-
     // If set, disables reusing client composition buffers. This can be set by
     // debug.sf.disable_client_composition_cache
     bool mDisableClientCompositionCache = false;
-    void windowInfosReported();
 
     // Disables expensive rendering for all displays
     // This is scheduled on the main thread
@@ -361,7 +319,7 @@ protected:
             REQUIRES(mStateLock);
 
     virtual std::shared_ptr<renderengine::ExternalTexture> getExternalTextureFromBufferData(
-            const BufferData& bufferData, const char* layerName) const;
+            BufferData& bufferData, const char* layerName, uint64_t transactionId);
 
     // Returns true if any display matches a `bool(const DisplayDevice&)` predicate.
     template <typename Predicate>
@@ -375,17 +333,15 @@ protected:
 
 private:
     friend class BufferLayer;
-    friend class BufferQueueLayer;
-    friend class BufferStateLayer;
     friend class Client;
     friend class FpsReporter;
     friend class TunnelModeEnabledReporter;
     friend class Layer;
-    friend class MonitoredProducer;
     friend class RefreshRateOverlay;
     friend class RegionSamplingThread;
     friend class LayerRenderArea;
     friend class LayerTracing;
+    friend class SurfaceComposerAIDL;
 
     // For unit tests
     friend class TestableSurfaceFlinger;
@@ -399,10 +355,6 @@ private:
     using DumpArgs = Vector<String16>;
     using Dumper = std::function<void(const DumpArgs&, bool asProto, std::string&)>;
 
-    // This value is specified in number of frames.  Log frame stats at most
-    // every half hour.
-    enum { LOG_FRAME_STATS_PERIOD =  30*60*60 };
-
     class State {
     public:
         explicit State(LayerVector::StateSet set) : stateSet(set), layersSortedByZ(set) {}
@@ -422,7 +374,20 @@ private:
 
         const LayerVector::StateSet stateSet = LayerVector::StateSet::Invalid;
         LayerVector layersSortedByZ;
-        DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays;
+
+        // TODO(b/241285876): Replace deprecated DefaultKeyedVector with ftl::SmallMap.
+        DefaultKeyedVector<wp<IBinder>, DisplayDeviceState> displays;
+
+        std::optional<size_t> getDisplayIndex(PhysicalDisplayId displayId) const {
+            for (size_t i = 0; i < displays.size(); i++) {
+                const auto& state = displays.valueAt(i);
+                if (state.physical && state.physical->id == displayId) {
+                    return i;
+                }
+            }
+
+            return {};
+        }
 
         bool colorMatrixChanged = true;
         mat4 colorMatrix;
@@ -471,21 +436,12 @@ private:
                 mCounterByLayerHandle GUARDED_BY(mLock);
     };
 
-    using ActiveModeInfo = DisplayDevice::ActiveModeInfo;
-    using KernelIdleTimerController =
-            ::android::scheduler::RefreshRateConfigs::KernelIdleTimerController;
-
     enum class BootStage {
         BOOTLOADER,
         BOOTANIMATION,
         FINISHED,
     };
 
-    struct HotplugEvent {
-        hal::HWDisplayId hwcDisplayId;
-        hal::Connection connection = hal::Connection::INVALID;
-    };
-
     template <typename F, std::enable_if_t<!std::is_member_function_pointer_v<F>>* = nullptr>
     static Dumper dumper(F&& dump) {
         using namespace std::placeholders;
@@ -514,15 +470,15 @@ private:
               typename Handler = VsyncModulator::VsyncConfigOpt (VsyncModulator::*)(Args...)>
     void modulateVsync(Handler handler, Args... args) {
         if (const auto config = (*mVsyncModulator.*handler)(args...)) {
-            const auto vsyncPeriod = mScheduler->getVsyncPeriodFromRefreshRateConfigs();
-            setVsyncConfig(*config, vsyncPeriod);
+            setVsyncConfig(*config, mScheduler->getLeaderVsyncPeriod());
         }
     }
 
-    static const int MAX_TRACING_MEMORY = 100 * 1024 * 1024; // 100MB
     // Maximum allowed number of display frames that can be set through backdoor
     static const int MAX_ALLOWED_DISPLAY_FRAMES = 2048;
 
+    static const size_t MAX_LAYERS = 4096;
+
     // Implements IBinder.
     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
     status_t dump(int fd, const Vector<String16>& args) override { return priorityDump(fd, args); }
@@ -530,32 +486,28 @@ private:
             EXCLUDES(mStateLock);
 
     // Implements ISurfaceComposer
-    sp<ISurfaceComposerClient> createConnection() override;
     sp<IBinder> createDisplay(const String8& displayName, bool secure);
     void destroyDisplay(const sp<IBinder>& displayToken);
     std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const EXCLUDES(mStateLock) {
         Mutex::Autolock lock(mStateLock);
         return getPhysicalDisplayIdsLocked();
     }
-    status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*) const EXCLUDES(mStateLock);
 
     sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const;
     status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
-                                 const Vector<ComposerState>& state,
-                                 const Vector<DisplayState>& displays, uint32_t flags,
-                                 const sp<IBinder>& applyToken,
+                                 Vector<ComposerState>& state, const Vector<DisplayState>& displays,
+                                 uint32_t flags, const sp<IBinder>& applyToken,
                                  const InputWindowCommands& inputWindowCommands,
                                  int64_t desiredPresentTime, bool isAutoTimestamp,
                                  const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
                                  const std::vector<ListenerCallbacks>& listenerCallbacks,
                                  uint64_t transactionId) override;
-    void bootFinished() override;
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& bufferProducer) const override;
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override;
+    void bootFinished();
+    virtual status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const;
     sp<IDisplayEventConnection> createDisplayEventConnection(
-            ISurfaceComposer::VsyncSource vsyncSource = eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) override;
+            gui::ISurfaceComposer::VsyncSource vsyncSource =
+                    gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+            EventRegistrationFlags eventRegistration = {});
 
     status_t captureDisplay(const DisplayCaptureArgs&, const sp<IScreenCaptureListener>&);
     status_t captureDisplay(DisplayId, const sp<IScreenCaptureListener>&);
@@ -564,63 +516,50 @@ private:
     status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* stats);
     status_t getDisplayState(const sp<IBinder>& displayToken, ui::DisplayState*)
             EXCLUDES(mStateLock);
-    status_t getStaticDisplayInfo(const sp<IBinder>& displayToken, ui::StaticDisplayInfo*)
-            EXCLUDES(mStateLock) override;
-    status_t getDynamicDisplayInfo(const sp<IBinder>& displayToken, ui::DynamicDisplayInfo*)
-            EXCLUDES(mStateLock) override;
-    status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken,
-                                       ui::DisplayPrimaries&) override;
-    status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode) override;
+    status_t getStaticDisplayInfo(int64_t displayId, ui::StaticDisplayInfo*) EXCLUDES(mStateLock);
+    status_t getDynamicDisplayInfoFromId(int64_t displayId, ui::DynamicDisplayInfo*)
+            EXCLUDES(mStateLock);
+    status_t getDynamicDisplayInfoFromToken(const sp<IBinder>& displayToken,
+                                            ui::DynamicDisplayInfo*) EXCLUDES(mStateLock);
+    void getDynamicDisplayInfoInternal(ui::DynamicDisplayInfo*&, const sp<DisplayDevice>&,
+                                       const display::DisplaySnapshot&);
+    status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken, ui::DisplayPrimaries&);
+    status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode);
     status_t getBootDisplayModeSupport(bool* outSupport) const;
-    status_t setBootDisplayMode(const sp<IBinder>& displayToken, ui::DisplayModeId id) override;
+    status_t setBootDisplayMode(const sp<display::DisplayToken>&, DisplayModeId);
+    status_t getOverlaySupport(gui::OverlayProperties* outProperties) const;
     status_t clearBootDisplayMode(const sp<IBinder>& displayToken);
     void setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on);
     void setGameContentType(const sp<IBinder>& displayToken, bool on);
     void setPowerMode(const sp<IBinder>& displayToken, int mode);
-    status_t clearAnimationFrameStats() override;
-    status_t getAnimationFrameStats(FrameStats* outStats) const override;
     status_t overrideHdrTypes(const sp<IBinder>& displayToken,
-                              const std::vector<ui::Hdr>& hdrTypes) override;
-    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) override;
-    status_t enableVSyncInjections(bool enable) override;
-    status_t injectVSync(nsecs_t when) override;
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override;
-    status_t getColorManagement(bool* outGetColorManagement) const override;
+                              const std::vector<ui::Hdr>& hdrTypes);
+    status_t onPullAtom(const int32_t atomId, std::vector<uint8_t>* pulledData, bool* success);
+    status_t getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers);
+    status_t getColorManagement(bool* outGetColorManagement) const;
     status_t getCompositionPreference(ui::Dataspace* outDataspace, ui::PixelFormat* outPixelFormat,
                                       ui::Dataspace* outWideColorGamutDataspace,
-                                      ui::PixelFormat* outWideColorGamutPixelFormat) const override;
+                                      ui::PixelFormat* outWideColorGamutPixelFormat) const;
     status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& displayToken,
                                                    ui::PixelFormat* outFormat,
                                                    ui::Dataspace* outDataspace,
-                                                   uint8_t* outComponentMask) const override;
+                                                   uint8_t* outComponentMask) const;
     status_t setDisplayContentSamplingEnabled(const sp<IBinder>& displayToken, bool enable,
-                                              uint8_t componentMask, uint64_t maxFrames) override;
+                                              uint8_t componentMask, uint64_t maxFrames);
     status_t getDisplayedContentSample(const sp<IBinder>& displayToken, uint64_t maxFrames,
-                                       uint64_t timestamp,
-                                       DisplayedFrameStats* outStats) const override;
-    status_t getProtectedContentSupport(bool* outSupported) const override;
+                                       uint64_t timestamp, DisplayedFrameStats* outStats) const;
+    status_t getProtectedContentSupport(bool* outSupported) const;
     status_t isWideColorDisplay(const sp<IBinder>& displayToken, bool* outIsWideColorDisplay) const;
     status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
-                                       const sp<IRegionSamplingListener>& listener) override;
-    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override;
-    status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) override;
-    status_t removeFpsListener(const sp<gui::IFpsListener>& listener) override;
-    status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) override;
-    status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+                                       const sp<IRegionSamplingListener>& listener);
+    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener);
+    status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener);
+    status_t removeFpsListener(const sp<gui::IFpsListener>& listener);
+    status_t addTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& listener);
+    status_t removeTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& listener);
     status_t setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId displayModeId, bool allowGroupSwitching,
-                                        float primaryRefreshRateMin, float primaryRefreshRateMax,
-                                        float appRequestRefreshRateMin,
-                                        float appRequestRefreshRateMax) override;
-    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId* outDefaultMode,
-                                        bool* outAllowGroupSwitching,
-                                        float* outPrimaryRefreshRateMin,
-                                        float* outPrimaryRefreshRateMax,
-                                        float* outAppRequestRefreshRateMin,
-                                        float* outAppRequestRefreshRateMax) override;
+                                        const gui::DisplayModeSpecs&);
+    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken, gui::DisplayModeSpecs*);
     status_t getDisplayBrightnessSupport(const sp<IBinder>& displayToken, bool* outSupport) const;
     status_t setDisplayBrightness(const sp<IBinder>& displayToken,
                                   const gui::DisplayBrightness& brightness);
@@ -630,36 +569,32 @@ private:
                                         const sp<gui::IHdrLayerInfoListener>& listener);
     status_t notifyPowerBoost(int32_t boostId);
     status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                     float lightPosY, float lightPosZ, float lightRadius) override;
+                                     float lightPosY, float lightPosZ, float lightRadius);
     status_t getDisplayDecorationSupport(
             const sp<IBinder>& displayToken,
             std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
-                    outSupport) const override;
+                    outSupport) const;
     status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                          int8_t compatibility, int8_t changeFrameRateStrategy) override;
+                          int8_t compatibility, int8_t changeFrameRateStrategy);
 
     status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                  const FrameTimelineInfo& frameTimelineInfo) override;
+                                  const gui::FrameTimelineInfo& frameTimelineInfo);
 
-    status_t setOverrideFrameRate(uid_t uid, float frameRate) override;
+    status_t setOverrideFrameRate(uid_t uid, float frameRate);
 
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) override;
+    int getGpuContextPriority();
 
-    int getGPUContextPriority() override;
+    status_t getMaxAcquiredBufferCount(int* buffers) const;
 
-    status_t getMaxAcquiredBufferCount(int* buffers) const override;
-
-    status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const override;
+    status_t addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener) const;
     status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const override;
+            const sp<gui::IWindowInfosListener>& windowInfosListener) const;
 
     // Implements IBinder::DeathRecipient.
     void binderDied(const wp<IBinder>& who) override;
 
     // HWC2::ComposerCallback overrides:
-    void onComposerHalVsync(hal::HWDisplayId, int64_t timestamp,
+    void onComposerHalVsync(hal::HWDisplayId, nsecs_t timestamp,
                             std::optional<hal::VsyncPeriodNanos>) override;
     void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) override;
     void onComposerHalRefresh(hal::HWDisplayId) override;
@@ -670,31 +605,34 @@ private:
 
     // ICompositor overrides:
 
+    // Configures physical displays, processing hotplug and/or mode setting via the Composer HAL.
+    void configure() override;
+
     // Commits transactions for layers and displays. Returns whether any state has been invalidated,
     // i.e. whether a frame should be composited for each display.
-    bool commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime) override;
+    bool commit(TimePoint frameTime, VsyncId, TimePoint expectedVsyncTime) override;
 
     // Composites a frame for each display. CompositionEngine performs GPU and/or HAL composition
     // via RenderEngine and the Composer HAL, respectively.
-    void composite(nsecs_t frameTime, int64_t vsyncId) override;
+    void composite(TimePoint frameTime, VsyncId) override;
 
     // Samples the composited frame via RegionSamplingThread.
     void sample() override;
 
-    /*
-     * ISchedulerCallback
-     */
+    // ISchedulerCallback overrides:
 
     // Toggles hardware VSYNC by calling into HWC.
+    // TODO(b/241286146): Rename for self-explanatory API.
     void setVsyncEnabled(bool) override;
-    // Sets the desired display mode if allowed by policy.
-    void requestDisplayMode(DisplayModePtr, DisplayModeEvent) override;
-    // Called when kernel idle timer has expired. Used to update the refresh rate overlay.
+    void requestDisplayModes(std::vector<display::DisplayModeRequest>) override;
     void kernelTimerChanged(bool expired) override;
-    // Called when the frame rate override list changed to trigger an event.
     void triggerOnFrameRateOverridesChanged() override;
+
     // Toggles the kernel idle timer on or off depending the policy decisions around refresh rates.
     void toggleKernelIdleTimer() REQUIRES(mStateLock);
+
+    using KernelIdleTimerController = scheduler::RefreshRateSelector::KernelIdleTimerController;
+
     // Get the controller and timeout that will help decide how the kernel idle timer will be
     // configured and what value to use as the timeout.
     std::pair<std::optional<KernelIdleTimerController>, std::chrono::milliseconds>
@@ -708,41 +646,51 @@ private:
     bool mKernelIdleTimerEnabled = false;
     // Show spinner with refresh rate overlay
     bool mRefreshRateOverlaySpinner = false;
+    // Show render rate with refresh rate overlay
+    bool mRefreshRateOverlayRenderRate = false;
 
-    // Called on the main thread in response to initializeDisplays()
-    void onInitializeDisplays() REQUIRES(mStateLock);
-    // Sets the desired active mode bit. It obtains the lock, and sets mDesiredActiveMode.
-    void setDesiredActiveMode(const ActiveModeInfo& info) REQUIRES(mStateLock);
-    status_t setActiveModeFromBackdoor(const sp<IBinder>& displayToken, int id);
+    void setDesiredActiveMode(display::DisplayModeRequest&&) REQUIRES(mStateLock);
+
+    status_t setActiveModeFromBackdoor(const sp<display::DisplayToken>&, DisplayModeId);
     // Sets the active mode and a new refresh rate in SF.
-    void updateInternalStateWithChangedMode() REQUIRES(mStateLock);
+    void updateInternalStateWithChangedMode() REQUIRES(mStateLock, kMainThreadContext);
     // Calls to setActiveMode on the main thread if there is a pending mode change
     // that needs to be applied.
-    void setActiveModeInHwcIfNeeded() REQUIRES(mStateLock);
+    void setActiveModeInHwcIfNeeded() REQUIRES(mStateLock, kMainThreadContext);
     void clearDesiredActiveModeState(const sp<DisplayDevice>&) REQUIRES(mStateLock);
     // Called when active mode is no longer is progress
     void desiredActiveModeChangeDone(const sp<DisplayDevice>&) REQUIRES(mStateLock);
     // Called on the main thread in response to setPowerMode()
     void setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode)
-            REQUIRES(mStateLock);
+            REQUIRES(mStateLock, kMainThreadContext);
 
     // Returns true if the display has a visible HDR layer in its layer stack.
     bool hasVisibleHdrLayer(const sp<DisplayDevice>& display) REQUIRES(mStateLock);
 
-    // Sets the desired display mode specs.
+    // Returns the preferred mode for PhysicalDisplayId if the Scheduler has selected one for that
+    // display. Falls back to the display's defaultModeId otherwise.
+    ftl::Optional<scheduler::FrameRateMode> getPreferredDisplayMode(
+            PhysicalDisplayId, DisplayModeId defaultModeId) const REQUIRES(mStateLock);
+
     status_t setDesiredDisplayModeSpecsInternal(
-            const sp<DisplayDevice>& display,
-            const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy)
-            EXCLUDES(mStateLock);
+            const sp<DisplayDevice>&, const scheduler::RefreshRateSelector::PolicyVariant&)
+            EXCLUDES(mStateLock) REQUIRES(kMainThreadContext);
+
+    // TODO(b/241285191): Look up RefreshRateSelector on Scheduler to remove redundant parameter.
+    status_t applyRefreshRateSelectorPolicy(PhysicalDisplayId,
+                                            const scheduler::RefreshRateSelector&)
+            REQUIRES(mStateLock, kMainThreadContext);
 
-    void commitTransactions() EXCLUDES(mStateLock);
-    void commitTransactionsLocked(uint32_t transactionFlags) REQUIRES(mStateLock);
+    void commitTransactions() EXCLUDES(mStateLock) REQUIRES(kMainThreadContext);
+    void commitTransactionsLocked(uint32_t transactionFlags)
+            REQUIRES(mStateLock, kMainThreadContext);
     void doCommitTransactions() REQUIRES(mStateLock);
 
     // Returns whether a new buffer has been latched.
     bool latchBuffers();
 
     void updateLayerGeometry();
+    void updateLayerMetadataSnapshot();
 
     void updateInputFlinger();
     void persistDisplayBrightness(bool needsComposite) REQUIRES(kMainThreadContext);
@@ -751,7 +699,7 @@ private:
     void commitInputWindowCommands() REQUIRES(mStateLock);
     void updateCursorAsync();
 
-    void initScheduler(const sp<DisplayDevice>& display) REQUIRES(mStateLock);
+    void initScheduler(const sp<const DisplayDevice>&) REQUIRES(kMainThreadContext, mStateLock);
     void updatePhaseConfiguration(const Fps&) REQUIRES(mStateLock);
     void setVsyncConfig(const VsyncModulator::VsyncConfig&, nsecs_t vsyncPeriod);
 
@@ -759,8 +707,9 @@ private:
     /*
      * Transactions
      */
-    bool applyTransactionState(const FrameTimelineInfo& info, Vector<ComposerState>& state,
-                               const Vector<DisplayState>& displays, uint32_t flags,
+    bool applyTransactionState(const FrameTimelineInfo& info,
+                               std::vector<ResolvedComposerState>& state,
+                               Vector<DisplayState>& displays, uint32_t flags,
                                const InputWindowCommands& inputWindowCommands,
                                const int64_t desiredPresentTime, bool isAutoTimestamp,
                                const client_cache_t& uncacheBuffer, const int64_t postTime,
@@ -768,26 +717,22 @@ private:
                                const std::vector<ListenerCallbacks>& listenerCallbacks,
                                int originPid, int originUid, uint64_t transactionId)
             REQUIRES(mStateLock);
-    // flush pending transaction that was presented after desiredPresentTime.
-    bool flushTransactionQueues(int64_t vsyncId);
+    // Flush pending transactions that were presented after desiredPresentTime.
+    bool flushTransactionQueues(VsyncId) REQUIRES(kMainThreadContext);
     // Returns true if there is at least one transaction that needs to be flushed
     bool transactionFlushNeeded();
-
-    int flushPendingTransactionQueues(
-            std::vector<TransactionState>& transactions,
-            std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions,
-            bool tryApplyUnsignaled) REQUIRES(mStateLock, mQueueLock);
-
-    int flushUnsignaledPendingTransactionQueues(
-            std::vector<TransactionState>& transactions,
-            std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions)
-            REQUIRES(mStateLock, mQueueLock);
-
-    uint32_t setClientStateLocked(const FrameTimelineInfo&, ComposerState&,
+    void addTransactionReadyFilters();
+    TransactionHandler::TransactionReadiness transactionReadyTimelineCheck(
+            const TransactionHandler::TransactionFlushState& flushState)
+            REQUIRES(kMainThreadContext);
+    TransactionHandler::TransactionReadiness transactionReadyBufferCheck(
+            const TransactionHandler::TransactionFlushState& flushState)
+            REQUIRES(kMainThreadContext);
+
+    uint32_t setClientStateLocked(const FrameTimelineInfo&, ResolvedComposerState&,
                                   int64_t desiredPresentTime, bool isAutoTimestamp,
-                                  int64_t postTime, uint32_t permissions) REQUIRES(mStateLock);
+                                  int64_t postTime, uint32_t permissions, uint64_t transactionId)
+            REQUIRES(mStateLock);
 
     uint32_t getTransactionFlags() const;
 
@@ -801,40 +746,20 @@ private:
 
     void commitOffscreenLayers();
 
-    enum class TransactionReadiness {
-        NotReady,
-        NotReadyBarrier,
-        Ready,
-        ReadyUnsignaled,
-    };
-    TransactionReadiness transactionIsReadyToBeApplied(TransactionState& state,
-            const FrameTimelineInfo& info, bool isAutoTimestamp, int64_t desiredPresentTime,
-            uid_t originUid, const Vector<ComposerState>& states,
-            const std::unordered_map<
-                sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            size_t totalTXapplied, bool tryApplyUnsignaled) const REQUIRES(mStateLock);
     static LatchUnsignaledConfig getLatchUnsignaledConfig();
     bool shouldLatchUnsignaled(const sp<Layer>& layer, const layer_state_t&, size_t numStates,
-                               size_t totalTXapplied) const;
-    bool stopTransactionProcessing(const std::unordered_set<sp<IBinder>, SpHash<IBinder>>&
-                                           applyTokensWithUnsignaledTransactions) const;
-    bool applyTransactions(std::vector<TransactionState>& transactions, int64_t vsyncId)
+                               bool firstTransaction) const;
+    bool applyTransactions(std::vector<TransactionState>& transactions, VsyncId)
             REQUIRES(mStateLock);
     uint32_t setDisplayStateLocked(const DisplayState& s) REQUIRES(mStateLock);
     uint32_t addInputWindowCommands(const InputWindowCommands& inputWindowCommands)
             REQUIRES(mStateLock);
-    bool frameIsEarly(nsecs_t expectedPresentTime, int64_t vsyncId) const;
+    bool frameIsEarly(TimePoint expectedPresentTime, VsyncId) const;
+
     /*
      * Layer management
      */
-    status_t createLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
-                         const sp<IBinder>& parentHandle, int32_t* outLayerId,
-                         const sp<Layer>& parentLayer = nullptr,
-                         uint32_t* outTransformHint = nullptr);
-
-    status_t createBufferQueueLayer(LayerCreationArgs& args, PixelFormat& format,
-                                    sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* outGbp,
-                                    sp<Layer>* outLayer);
+    status_t createLayer(LayerCreationArgs& args, gui::CreateSurfaceResult& outResult);
 
     status_t createBufferStateLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
                                     sp<Layer>* outLayer);
@@ -842,21 +767,17 @@ private:
     status_t createEffectLayer(const LayerCreationArgs& args, sp<IBinder>* outHandle,
                                sp<Layer>* outLayer);
 
-    status_t createContainerLayer(const LayerCreationArgs& args, sp<IBinder>* outHandle,
-                                  sp<Layer>* outLayer);
-
     status_t mirrorLayer(const LayerCreationArgs& args, const sp<IBinder>& mirrorFromHandle,
-                         sp<IBinder>* outHandle, int32_t* outLayerId);
+                         gui::CreateSurfaceResult& outResult);
+
+    status_t mirrorDisplay(DisplayId displayId, const LayerCreationArgs& args,
+                           gui::CreateSurfaceResult& outResult);
 
-    // called when all clients have released all their references to
-    // this layer meaning it is entirely safe to destroy all
-    // resources associated to this layer.
-    void onHandleDestroyed(BBinder* handle, sp<Layer>& layer);
     void markLayerPendingRemovalLocked(const sp<Layer>& layer);
 
     // add a layer to SurfaceFlinger
-    status_t addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
-                            const sp<Layer>& lbc, const wp<Layer>& parentLayer, bool addToRoot,
+    status_t addClientLayer(const LayerCreationArgs& args, const sp<IBinder>& handle,
+                            const sp<Layer>& layer, const wp<Layer>& parentLayer,
                             uint32_t* outTransformHint);
 
     // Traverse through all the layers and compute and cache its bounds.
@@ -874,9 +795,10 @@ private:
             const std::shared_ptr<renderengine::ExternalTexture>&, bool regionSampling,
             bool grayscale, const sp<IScreenCaptureListener>&);
     ftl::SharedFuture<FenceResult> renderScreenImpl(
-            const RenderArea&, TraverseLayersFunction,
+            std::unique_ptr<RenderArea>, TraverseLayersFunction,
             const std::shared_ptr<renderengine::ExternalTexture>&, bool canCaptureBlackoutContent,
-            bool regionSampling, bool grayscale, ScreenCaptureResults&) EXCLUDES(mStateLock);
+            bool regionSampling, bool grayscale, ScreenCaptureResults&) EXCLUDES(mStateLock)
+            REQUIRES(kMainThreadContext);
 
     // If the uid provided is not UNSET_UID, the traverse will skip any layers that don't have a
     // matching ownerUid
@@ -889,8 +811,10 @@ private:
     /*
      * Display and layer stack management
      */
-    // called when starting, or restarting after system_server death
+
+    // Called during boot, and restart after system_server death.
     void initializeDisplays();
+    void onInitializeDisplays() REQUIRES(mStateLock, kMainThreadContext);
 
     sp<const DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) const
             REQUIRES(mStateLock) {
@@ -926,12 +850,12 @@ private:
     }
 
     sp<DisplayDevice> getDefaultDisplayDeviceLocked() REQUIRES(mStateLock) {
-        if (const auto display = getDisplayDeviceLocked(mActiveDisplayToken)) {
+        if (const auto display = getDisplayDeviceLocked(mActiveDisplayId)) {
             return display;
         }
         // The active display is outdated, so fall back to the primary display.
-        mActiveDisplayToken.clear();
-        return getDisplayDeviceLocked(getPrimaryDisplayTokenLocked());
+        mActiveDisplayId = getPrimaryDisplayIdLocked();
+        return getDisplayDeviceLocked(mActiveDisplayId);
     }
 
     sp<const DisplayDevice> getDefaultDisplayDevice() const EXCLUDES(mStateLock) {
@@ -939,6 +863,21 @@ private:
         return getDefaultDisplayDeviceLocked();
     }
 
+    using DisplayDeviceAndSnapshot =
+            std::pair<sp<DisplayDevice>, display::PhysicalDisplay::SnapshotRef>;
+
+    // Combinator for ftl::Optional<PhysicalDisplay>::and_then.
+    auto getDisplayDeviceAndSnapshot() REQUIRES(mStateLock) {
+        return [this](const display::PhysicalDisplay& display) REQUIRES(
+                       mStateLock) -> ftl::Optional<DisplayDeviceAndSnapshot> {
+            if (auto device = getDisplayDeviceLocked(display.snapshot().displayId())) {
+                return std::make_pair(std::move(device), display.snapshotRef());
+            }
+
+            return {};
+        };
+    }
+
     // Returns the first display that matches a `bool(const DisplayDevice&)` predicate.
     template <typename Predicate>
     sp<DisplayDevice> findDisplay(Predicate p) const REQUIRES(mStateLock) {
@@ -954,8 +893,13 @@ private:
     // region of all screens presenting this layer stack.
     void invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty);
 
-    bool isDisplayActiveLocked(const sp<const DisplayDevice>& display) const REQUIRES(mStateLock) {
-        return display->getDisplayToken() == mActiveDisplayToken;
+    ui::LayerFilter makeLayerFilterForDisplay(DisplayId displayId, ui::LayerStack layerStack)
+            REQUIRES(mStateLock) {
+        return {layerStack,
+                PhysicalDisplayId::tryCast(displayId)
+                        .and_then(display::getPhysicalDisplay(mPhysicalDisplays))
+                        .transform(&display::PhysicalDisplay::isInternal)
+                        .value_or(false)};
     }
 
     /*
@@ -972,14 +916,7 @@ private:
     /*
      * Compositing
      */
-    void postComposition();
-    void getCompositorTiming(CompositorTiming* compositorTiming);
-    void updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime,
-                                std::shared_ptr<FenceTime>& presentFenceTime);
-    void setCompositorTimingSnapped(const DisplayStatInfo& stats,
-                                    nsecs_t compositeToPresentLatency);
-
-    void postFrame() REQUIRES(kMainThreadContext);
+    void postComposition() REQUIRES(kMainThreadContext);
 
     /*
      * Display management
@@ -987,18 +924,31 @@ private:
     std::pair<DisplayModes, DisplayModePtr> loadDisplayModes(PhysicalDisplayId) const
             REQUIRES(mStateLock);
 
+    // TODO(b/241285876): Move to DisplayConfigurator.
+    //
+    // Returns whether displays have been added/changed/removed, i.e. whether ICompositor should
+    // commit display transactions.
+    bool configureLocked() REQUIRES(mStateLock) REQUIRES(kMainThreadContext)
+            EXCLUDES(mHotplugMutex);
+
+    // Returns a string describing the hotplug, or nullptr if it was rejected.
+    const char* processHotplug(PhysicalDisplayId, hal::HWDisplayId, bool connected,
+                               DisplayIdentificationInfo&&) REQUIRES(mStateLock)
+            REQUIRES(kMainThreadContext);
+
     sp<DisplayDevice> setupNewDisplayDeviceInternal(
             const wp<IBinder>& displayToken,
             std::shared_ptr<compositionengine::Display> compositionDisplay,
             const DisplayDeviceState& state,
             const sp<compositionengine::DisplaySurface>& displaySurface,
             const sp<IGraphicBufferProducer>& producer) REQUIRES(mStateLock);
-    void processDisplayChangesLocked() REQUIRES(mStateLock);
-    void processDisplayRemoved(const wp<IBinder>& displayToken) REQUIRES(mStateLock);
+    void processDisplayChangesLocked() REQUIRES(mStateLock, kMainThreadContext);
+    void processDisplayRemoved(const wp<IBinder>& displayToken)
+            REQUIRES(mStateLock, kMainThreadContext);
     void processDisplayChanged(const wp<IBinder>& displayToken,
                                const DisplayDeviceState& currentState,
-                               const DisplayDeviceState& drawingState) REQUIRES(mStateLock);
-    void processDisplayHotplugEventsLocked() REQUIRES(mStateLock);
+                               const DisplayDeviceState& drawingState)
+            REQUIRES(mStateLock, kMainThreadContext);
 
     void dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected);
 
@@ -1012,50 +962,31 @@ private:
         getHwComposer().setVsyncEnabled(id, enabled);
     }
 
-    struct FenceWithFenceTime {
-        sp<Fence> fence = Fence::NO_FENCE;
-        std::shared_ptr<FenceTime> fenceTime = FenceTime::NO_FENCE;
-    };
-
-    // Gets the fence for the previous frame.
-    // Must be called on the main thread.
-    FenceWithFenceTime previousFrameFence();
+    using FenceTimePtr = std::shared_ptr<FenceTime>;
 
-    // Whether the previous frame has not yet been presented to the display.
-    // If graceTimeMs is positive, this method waits for at most the provided
-    // grace period before reporting if the frame missed.
-    // Must be called on the main thread.
-    bool previousFramePending(int graceTimeMs = 0);
+    const FenceTimePtr& getPreviousPresentFence(TimePoint frameTime, Period)
+            REQUIRES(kMainThreadContext);
 
-    // Returns the previous time that the frame was presented. If the frame has
-    // not been presented yet, then returns Fence::SIGNAL_TIME_PENDING. If there
-    // is no pending frame, then returns Fence::SIGNAL_TIME_INVALID.
-    // Must be called on the main thread.
-    nsecs_t previousFramePresentTime();
+    // Blocks the thread waiting for up to graceTimeMs in case the fence is about to signal.
+    static bool isFencePending(const FenceTimePtr&, int graceTimeMs);
 
     // Calculates the expected present time for this frame. For negative offsets, performs a
     // correction using the predicted vsync for the next frame instead.
-
-    nsecs_t calculateExpectedPresentTime(DisplayStatInfo) const;
+    TimePoint calculateExpectedPresentTime(TimePoint frameTime) const;
 
     /*
      * Display identification
      */
-    sp<IBinder> getPhysicalDisplayTokenLocked(PhysicalDisplayId displayId) const
+    sp<display::DisplayToken> getPhysicalDisplayTokenLocked(PhysicalDisplayId displayId) const
             REQUIRES(mStateLock) {
-        const sp<IBinder> nullToken;
-        return mPhysicalDisplayTokens.get(displayId).value_or(std::cref(nullToken));
+        const sp<display::DisplayToken> nullToken;
+        return mPhysicalDisplays.get(displayId)
+                .transform([](const display::PhysicalDisplay& display) { return display.token(); })
+                .value_or(std::cref(nullToken));
     }
 
     std::optional<PhysicalDisplayId> getPhysicalDisplayIdLocked(
-            const sp<IBinder>& displayToken) const REQUIRES(mStateLock) {
-        for (const auto& [id, token] : mPhysicalDisplayTokens) {
-            if (token == displayToken) {
-                return id;
-            }
-        }
-        return {};
-    }
+            const sp<display::DisplayToken>&) const REQUIRES(mStateLock);
 
     // Returns the first display connected at boot.
     //
@@ -1078,15 +1009,20 @@ private:
     VirtualDisplayId acquireVirtualDisplay(ui::Size, ui::PixelFormat) REQUIRES(mStateLock);
     void releaseVirtualDisplay(VirtualDisplayId);
 
-    void onActiveDisplayChangedLocked(const sp<DisplayDevice>& activeDisplay) REQUIRES(mStateLock);
+    // TODO(b/255635821): Replace pointers with references. `inactiveDisplay` is only ever `nullptr`
+    // in tests, and `activeDisplay` must not be `nullptr` as a precondition.
+    void onActiveDisplayChangedLocked(const sp<DisplayDevice>& inactiveDisplay,
+                                      const sp<DisplayDevice>& activeDisplay)
+            REQUIRES(mStateLock, kMainThreadContext);
 
-    void onActiveDisplaySizeChanged(const sp<DisplayDevice>& activeDisplay);
+    void onActiveDisplaySizeChanged(const sp<const DisplayDevice>&);
 
     /*
      * Debugging & dumpsys
      */
     void dumpAllLocked(const DumpArgs& args, const std::string& compositionLayers,
                        std::string& result) const REQUIRES(mStateLock);
+    void dumpHwcLayersMinidumpLocked(std::string& result) const REQUIRES(mStateLock);
 
     void appendSfConfigString(std::string& result) const;
     void listLayersLocked(std::string& result) const;
@@ -1094,10 +1030,11 @@ private:
     void clearStatsLocked(const DumpArgs& args, std::string& result);
     void dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const;
     void dumpFrameTimeline(const DumpArgs& args, std::string& result) const;
-    void logFrameStats() REQUIRES(kMainThreadContext);
+    void logFrameStats(TimePoint now) REQUIRES(kMainThreadContext);
 
-    void dumpVSync(std::string& result) const REQUIRES(mStateLock);
-    void dumpStaticScreenStats(std::string& result) const;
+    void dumpScheduler(std::string& result) const REQUIRES(mStateLock);
+    void dumpEvents(std::string& result) const REQUIRES(mStateLock);
+    void dumpVsync(std::string& result) const REQUIRES(mStateLock);
 
     void dumpCompositionDisplays(std::string& result) const REQUIRES(mStateLock);
     void dumpDisplays(std::string& result) const REQUIRES(mStateLock);
@@ -1134,26 +1071,18 @@ private:
     status_t CheckTransactCodeCredentials(uint32_t code);
 
     // Add transaction to the Transaction Queue
-    void queueTransaction(TransactionState& state) EXCLUDES(mQueueLock);
-    void waitForSynchronousTransaction(const CountDownLatch& transactionCommittedSignal);
-    void signalSynchronousTransactions(const uint32_t flag);
 
     /*
      * Generic Layer Metadata
      */
     const std::unordered_map<std::string, uint32_t>& getGenericLayerMetadataKeyMap() const;
 
-    /*
-     * Misc
-     */
-    std::vector<ui::ColorMode> getDisplayColorModes(const DisplayDevice&) REQUIRES(mStateLock);
-
     static int calculateMaxAcquiredBufferCount(Fps refreshRate,
                                                std::chrono::nanoseconds presentLatency);
     int getMaxAcquiredBufferCountForRefreshRate(Fps refreshRate) const;
 
     void updateInternalDisplayVsyncLocked(const sp<DisplayDevice>& activeDisplay)
-            REQUIRES(mStateLock);
+            REQUIRES(mStateLock, kMainThreadContext);
 
     bool isHdrLayer(Layer* layer) const;
 
@@ -1169,17 +1098,19 @@ private:
     mutable Mutex mStateLock;
     State mCurrentState{LayerVector::StateSet::Current};
     std::atomic<int32_t> mTransactionFlags = 0;
-    std::vector<std::shared_ptr<CountDownLatch>> mTransactionCommittedSignals;
-    bool mAnimTransactionPending = false;
     std::atomic<uint32_t> mUniqueTransactionId = 1;
     SortedVector<sp<Layer>> mLayersPendingRemoval;
 
+    // Buffers that have been discarded by clients and need to be evicted from per-layer caches so
+    // the graphics memory can be immediately freed.
+    std::vector<uint64_t> mBufferIdsToUncache;
+
     // global color transform states
     Daltonizer mDaltonizer;
     float mGlobalSaturationFactor = 1.0f;
     mat4 mClientColorMatrix;
 
-    size_t mMaxGraphicBufferProducerListSize = ISurfaceComposer::MAX_LAYERS;
+    size_t mMaxGraphicBufferProducerListSize = MAX_LAYERS;
     // If there are more GraphicBufferProducers tracked by SurfaceFlinger than
     // this threshold, then begin logging.
     size_t mGraphicBufferProducerListSizeLogThreshold =
@@ -1194,7 +1125,6 @@ private:
 
     // constant members (no synchronization needed for access)
     const nsecs_t mBootTime = systemTime();
-    bool mGpuToCpuSupported = false;
     bool mIsUserBuild = true;
 
     // Can only accessed from the main thread, these members
@@ -1213,20 +1143,20 @@ private:
     // Set during transaction application stage to track if the input info or children
     // for a layer has changed.
     // TODO: Also move visibleRegions over to a boolean system.
-    bool mInputInfoChanged = false;
+    bool mUpdateInputInfo = false;
     bool mSomeChildrenChanged;
     bool mSomeDataspaceChanged = false;
     bool mForceTransactionDisplayChange = false;
 
-    bool mAnimCompositionPending = false;
+    // Set if LayerMetadata has changed since the last LayerMetadata snapshot.
+    bool mLayerMetadataSnapshotNeeded = false;
 
     // Tracks layers that have pending frames which are candidates for being
     // latched.
     std::unordered_set<sp<Layer>, SpHash<Layer>> mLayersWithQueuedFrames;
     // Tracks layers that need to update a display's dirty region.
     std::vector<sp<Layer>> mLayersPendingRefresh;
-    // size should be longest sf-duration / shortest vsync period and round up
-    std::array<FenceWithFenceTime, 5> mPreviousPresentFences; // currently consider 166hz.
+
     // True if in the previous frame at least one layer was composed via the GPU.
     bool mHadClientComposition = false;
     // True if in the previous frame at least one layer was composed via HW Composer.
@@ -1240,17 +1170,24 @@ private:
 
     BootStage mBootStage = BootStage::BOOTLOADER;
 
-    std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mStateLock);
+    struct HotplugEvent {
+        hal::HWDisplayId hwcDisplayId;
+        hal::Connection connection = hal::Connection::INVALID;
+    };
+
+    std::mutex mHotplugMutex;
+    std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mHotplugMutex);
 
     // Displays are composited in `mDisplays` order. Internal displays are inserted at boot and
     // never removed, so take precedence over external and virtual displays.
     //
-    // The static capacities were chosen to exceed a typical number of physical/virtual displays.
-    //
     // May be read from any thread, but must only be written from the main thread.
-    ftl::SmallMap<wp<IBinder>, const sp<DisplayDevice>, 5> mDisplays GUARDED_BY(mStateLock);
-    ftl::SmallMap<PhysicalDisplayId, const sp<IBinder>, 3> mPhysicalDisplayTokens
-            GUARDED_BY(mStateLock);
+    display::DisplayMap<wp<IBinder>, const sp<DisplayDevice>> mDisplays GUARDED_BY(mStateLock);
+
+    display::PhysicalDisplays mPhysicalDisplays GUARDED_BY(mStateLock);
+
+    // The inner or outer display for foldables, assuming they have mutually exclusive power states.
+    PhysicalDisplayId mActiveDisplayId GUARDED_BY(mStateLock);
 
     struct {
         DisplayIdGenerator<GpuVirtualDisplayId> gpu;
@@ -1265,7 +1202,6 @@ private:
 
     bool mLayerCachingEnabled = false;
     bool mPropagateBackpressureClientComposition = false;
-    sp<SurfaceInterceptor> mInterceptor;
 
     LayerTracing mLayerTracing{*this};
     bool mLayerTracingEnabled = false;
@@ -1277,6 +1213,8 @@ private:
     const std::unique_ptr<FrameTracer> mFrameTracer;
     const std::unique_ptr<frametimeline::FrameTimeline> mFrameTimeline;
 
+    VsyncId mLastCommittedVsyncId;
+
     // If blurs should be enabled on this device.
     bool mSupportsBlur = false;
     // If blurs are considered expensive and should require high GPU frequency.
@@ -1287,9 +1225,6 @@ private:
 
     TransactionCallbackInvoker mTransactionCallbackInvoker;
 
-    // Thread-safe.
-    FrameTracker mAnimFrameTracker;
-
     // We maintain a pool of pre-generated texture names to hand out to avoid
     // layer creation needing to run on the main thread (which it would
     // otherwise need to do to access RenderEngine).
@@ -1297,18 +1232,6 @@ private:
     uint32_t mTexturePoolSize = 0;
     std::vector<uint32_t> mTexturePool;
 
-    mutable Mutex mQueueLock;
-    Condition mTransactionQueueCV;
-    std::unordered_map<sp<IBinder>, std::queue<TransactionState>, IListenerHash>
-            mPendingTransactionQueues GUARDED_BY(mQueueLock);
-    std::deque<TransactionState> mTransactionQueue GUARDED_BY(mQueueLock);
-    /*
-     * Feature prototyping
-     */
-
-    // Static screen stats
-    bool mHasPoweredOff = false;
-
     std::atomic<size_t> mNumLayers = 0;
 
     // to linkToDeath
@@ -1331,12 +1254,16 @@ private:
     // This property can be used to force SurfaceFlinger to always pick a certain color mode.
     ui::ColorMode mForceColorMode = ui::ColorMode::NATIVE;
 
+    // Whether to enable wide color gamut (e.g. Display P3) for internal displays that support it.
+    // If false, wide color modes are filtered out for all internal displays.
+    bool mSupportsWideColor = false;
+
     ui::Dataspace mDefaultCompositionDataspace;
     ui::Dataspace mWideColorGamutCompositionDataspace;
     ui::Dataspace mColorSpaceAgnosticDataspace;
     float mDimmingRatio = -1.f;
 
-    SurfaceFlingerBE mBE;
+    std::unique_ptr<renderengine::RenderEngine> mRenderEngine;
     std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine;
     // mMaxRenderTargetSize is only set once in init() so it doesn't need to be protected by
     // any mutex.
@@ -1344,8 +1271,6 @@ private:
 
     const std::string mHwcServiceName;
 
-    bool hasMockHwc() const { return mHwcServiceName == "mock"; }
-
     /*
      * Scheduler
      */
@@ -1360,9 +1285,17 @@ private:
     sp<VsyncModulator> mVsyncModulator;
 
     std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
+    scheduler::PresentLatencyTracker mPresentLatencyTracker GUARDED_BY(kMainThreadContext);
+
+    struct FenceWithFenceTime {
+        sp<Fence> fence = Fence::NO_FENCE;
+        FenceTimePtr fenceTime = FenceTime::NO_FENCE;
+    };
+    std::array<FenceWithFenceTime, 2> mPreviousPresentFences;
+
+    TimePoint mScheduledPresentTime GUARDED_BY(kMainThreadContext);
+    TimePoint mExpectedPresentTime GUARDED_BY(kMainThreadContext);
 
-    std::atomic<nsecs_t> mExpectedPresentTime = 0;
-    nsecs_t mScheduledPresentTime = 0;
     hal::Vsync mHWCVsyncPendingState = hal::Vsync::DISABLE;
     hal::Vsync mLastHWCVsyncState = hal::Vsync::DISABLE;
 
@@ -1384,7 +1317,7 @@ private:
 
     std::unique_ptr<Hwc2::PowerAdvisor> mPowerAdvisor;
 
-    void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock);
+    void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock, kMainThreadContext);
 
     // Flag used to set override desired display mode from backdoor
     bool mDebugDisplayModeSetByBackdoor = false;
@@ -1416,8 +1349,21 @@ private:
     // A temporay pool that store the created layers and will be added to current state in main
     // thread.
     std::vector<LayerCreatedState> mCreatedLayers GUARDED_BY(mCreatedLayersLock);
-    bool commitCreatedLayers();
-    void handleLayerCreatedLocked(const LayerCreatedState& state) REQUIRES(mStateLock);
+    bool commitCreatedLayers(VsyncId);
+    void handleLayerCreatedLocked(const LayerCreatedState&, VsyncId) REQUIRES(mStateLock);
+
+    mutable std::mutex mMirrorDisplayLock;
+    struct MirrorDisplayState {
+        MirrorDisplayState(ui::LayerStack layerStack, sp<IBinder>& rootHandle,
+                           const sp<Client>& client)
+              : layerStack(layerStack), rootHandle(rootHandle), client(client) {}
+
+        ui::LayerStack layerStack;
+        sp<IBinder> rootHandle;
+        const sp<Client> client;
+    };
+    std::vector<MirrorDisplayState> mMirrorDisplays GUARDED_BY(mMirrorDisplayLock);
+    bool commitMirrorDisplays(VsyncId);
 
     std::atomic<ui::Transform::RotationFlags> mActiveDisplayTransformHint;
 
@@ -1426,8 +1372,6 @@ private:
                 [](const auto& display) { return display.isRefreshRateOverlayEnabled(); });
     }
 
-    wp<IBinder> mActiveDisplayToken GUARDED_BY(mStateLock);
-
     const sp<WindowInfosListenerInvoker> mWindowInfosListenerInvoker;
 
     FlagManager mFlagManager;
@@ -1444,28 +1388,43 @@ private:
         bool early = false;
     } mPowerHintSessionMode;
 
-    nsecs_t mAnimationTransactionTimeout = s2ns(5);
-
-    friend class SurfaceComposerAIDL;
+    TransactionHandler mTransactionHandler;
+    display::DisplayMap<ui::LayerStack, frontend::DisplayInfo> mFrontEndDisplayInfos;
 };
 
 class SurfaceComposerAIDL : public gui::BnSurfaceComposer {
 public:
-    SurfaceComposerAIDL(sp<SurfaceFlinger> sf) { mFlinger = sf; }
+    SurfaceComposerAIDL(sp<SurfaceFlinger> sf) : mFlinger(std::move(sf)) {}
 
+    binder::Status bootFinished() override;
+    binder::Status createDisplayEventConnection(
+            VsyncSource vsyncSource, EventRegistration eventRegistration,
+            sp<gui::IDisplayEventConnection>* outConnection) override;
+    binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override;
     binder::Status createDisplay(const std::string& displayName, bool secure,
                                  sp<IBinder>* outDisplay) override;
     binder::Status destroyDisplay(const sp<IBinder>& display) override;
     binder::Status getPhysicalDisplayIds(std::vector<int64_t>* outDisplayIds) override;
-    binder::Status getPrimaryPhysicalDisplayId(int64_t* outDisplayId) override;
     binder::Status getPhysicalDisplayToken(int64_t displayId, sp<IBinder>* outDisplay) override;
     binder::Status setPowerMode(const sp<IBinder>& display, int mode) override;
+    binder::Status getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) override;
     binder::Status getDisplayStats(const sp<IBinder>& display,
                                    gui::DisplayStatInfo* outStatInfo) override;
     binder::Status getDisplayState(const sp<IBinder>& display,
                                    gui::DisplayState* outState) override;
+    binder::Status getStaticDisplayInfo(int64_t displayId,
+                                        gui::StaticDisplayInfo* outInfo) override;
+    binder::Status getDynamicDisplayInfoFromId(int64_t displayId,
+                                               gui::DynamicDisplayInfo* outInfo) override;
+    binder::Status getDynamicDisplayInfoFromToken(const sp<IBinder>& display,
+                                                  gui::DynamicDisplayInfo* outInfo) override;
+    binder::Status getDisplayNativePrimaries(const sp<IBinder>& display,
+                                             gui::DisplayPrimaries* outPrimaries) override;
+    binder::Status setActiveColorMode(const sp<IBinder>& display, int colorMode) override;
+    binder::Status setBootDisplayMode(const sp<IBinder>& display, int displayModeId) override;
     binder::Status clearBootDisplayMode(const sp<IBinder>& display) override;
     binder::Status getBootDisplayModeSupport(bool* outMode) override;
+    binder::Status getOverlaySupport(gui::OverlayProperties* outProperties) override;
     binder::Status setAutoLowLatencyMode(const sp<IBinder>& display, bool on) override;
     binder::Status setGameContentType(const sp<IBinder>& display, bool on) override;
     binder::Status captureDisplay(const DisplayCaptureArgs&,
@@ -1473,8 +1432,47 @@ public:
     binder::Status captureDisplayById(int64_t, const sp<IScreenCaptureListener>&) override;
     binder::Status captureLayers(const LayerCaptureArgs&,
                                  const sp<IScreenCaptureListener>&) override;
+
+    // TODO(b/239076119): Remove deprecated AIDL.
+    [[deprecated]] binder::Status clearAnimationFrameStats() override {
+        return binder::Status::ok();
+    }
+    [[deprecated]] binder::Status getAnimationFrameStats(gui::FrameStats*) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status overrideHdrTypes(const sp<IBinder>& display,
+                                    const std::vector<int32_t>& hdrTypes) override;
+    binder::Status onPullAtom(int32_t atomId, gui::PullAtomData* outPullData) override;
+    binder::Status getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) override;
+    binder::Status getColorManagement(bool* outGetColorManagement) override;
+    binder::Status getCompositionPreference(gui::CompositionPreference* outPref) override;
+    binder::Status getDisplayedContentSamplingAttributes(
+            const sp<IBinder>& display, gui::ContentSamplingAttributes* outAttrs) override;
+    binder::Status setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+                                                    int8_t componentMask,
+                                                    int64_t maxFrames) override;
+    binder::Status getDisplayedContentSample(const sp<IBinder>& display, int64_t maxFrames,
+                                             int64_t timestamp,
+                                             gui::DisplayedFrameStats* outStats) override;
+    binder::Status getProtectedContentSupport(bool* outSupporte) override;
     binder::Status isWideColorDisplay(const sp<IBinder>& token,
                                       bool* outIsWideColorDisplay) override;
+    binder::Status addRegionSamplingListener(
+            const gui::ARect& samplingArea, const sp<IBinder>& stopLayerHandle,
+            const sp<gui::IRegionSamplingListener>& listener) override;
+    binder::Status removeRegionSamplingListener(
+            const sp<gui::IRegionSamplingListener>& listener) override;
+    binder::Status addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) override;
+    binder::Status removeFpsListener(const sp<gui::IFpsListener>& listener) override;
+    binder::Status addTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+    binder::Status removeTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+    binder::Status setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                              const gui::DisplayModeSpecs&) override;
+    binder::Status getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                              gui::DisplayModeSpecs* outSpecs) override;
     binder::Status getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
                                                bool* outSupport) override;
     binder::Status setDisplayBrightness(const sp<IBinder>& displayToken,
@@ -1485,11 +1483,27 @@ public:
             const sp<IBinder>& displayToken,
             const sp<gui::IHdrLayerInfoListener>& listener) override;
     binder::Status notifyPowerBoost(int boostId) override;
+    binder::Status setGlobalShadowSettings(const gui::Color& ambientColor,
+                                           const gui::Color& spotColor, float lightPosY,
+                                           float lightPosZ, float lightRadius) override;
+    binder::Status getDisplayDecorationSupport(
+            const sp<IBinder>& displayToken,
+            std::optional<gui::DisplayDecorationSupport>* outSupport) override;
+    binder::Status setOverrideFrameRate(int32_t uid, float frameRate) override;
+    binder::Status getGpuContextPriority(int32_t* outPriority) override;
+    binder::Status getMaxAcquiredBufferCount(int32_t* buffers) override;
+    binder::Status addWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& windowInfosListener) override;
+    binder::Status removeWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& windowInfosListener) override;
 
 private:
     static const constexpr bool kUsePermissionCache = true;
     status_t checkAccessPermission(bool usePermissionCache = kUsePermissionCache);
     status_t checkControlDisplayBrightnessPermission();
+    status_t checkReadFrameBufferPermission();
+    static void getDynamicDisplayInfoInternal(ui::DynamicDisplayInfo& info,
+                                              gui::DynamicDisplayInfo*& outInfo);
 
 private:
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
index b81b445dad..7e6894d3f7 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
@@ -22,22 +22,16 @@
 #include <cutils/properties.h>
 #include <ui/GraphicBuffer.h>
 
-#include "BufferLayerConsumer.h"
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
-#include "EffectLayer.h"
 #include "FrameTracer/FrameTracer.h"
 #include "Layer.h"
-#include "MonitoredProducer.h"
 #include "NativeWindowSurface.h"
 #include "StartPropertySetThread.h"
 #include "SurfaceFlingerDefaultFactory.h"
 #include "SurfaceFlingerProperties.h"
-#include "SurfaceInterceptor.h"
 
 #include "DisplayHardware/ComposerHal.h"
+#include "FrameTimeline/FrameTimeline.h"
 #include "Scheduler/Scheduler.h"
 #include "Scheduler/VsyncConfiguration.h"
 #include "Scheduler/VsyncController.h"
@@ -59,23 +53,19 @@ std::unique_ptr<scheduler::VsyncConfiguration> DefaultFactory::createVsyncConfig
     }
 }
 
-sp<SurfaceInterceptor> DefaultFactory::createSurfaceInterceptor() {
-    return new android::impl::SurfaceInterceptor();
-}
-
 sp<StartPropertySetThread> DefaultFactory::createStartPropertySetThread(
         bool timestampPropertyValue) {
-    return new StartPropertySetThread(timestampPropertyValue);
+    return sp<StartPropertySetThread>::make(timestampPropertyValue);
 }
 
 sp<DisplayDevice> DefaultFactory::createDisplayDevice(DisplayDeviceCreationArgs& creationArgs) {
-    return new DisplayDevice(creationArgs);
+    return sp<DisplayDevice>::make(creationArgs);
 }
 
 sp<GraphicBuffer> DefaultFactory::createGraphicBuffer(uint32_t width, uint32_t height,
                                                       PixelFormat format, uint32_t layerCount,
                                                       uint64_t usage, std::string requestorName) {
-    return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+    return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
 }
 
 void DefaultFactory::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
@@ -84,18 +74,6 @@ void DefaultFactory::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
     BufferQueue::createBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
 }
 
-sp<IGraphicBufferProducer> DefaultFactory::createMonitoredProducer(
-        const sp<IGraphicBufferProducer>& producer, const sp<SurfaceFlinger>& flinger,
-        const wp<Layer>& layer) {
-    return new MonitoredProducer(producer, flinger, layer);
-}
-
-sp<BufferLayerConsumer> DefaultFactory::createBufferLayerConsumer(
-        const sp<IGraphicBufferConsumer>& consumer, renderengine::RenderEngine& renderEngine,
-        uint32_t textureName, Layer* layer) {
-    return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-}
-
 std::unique_ptr<surfaceflinger::NativeWindowSurface> DefaultFactory::createNativeWindowSurface(
         const sp<IGraphicBufferProducer>& producer) {
     return surfaceflinger::impl::createNativeWindowSurface(producer);
@@ -105,20 +83,16 @@ std::unique_ptr<compositionengine::CompositionEngine> DefaultFactory::createComp
     return compositionengine::impl::createCompositionEngine();
 }
 
-sp<ContainerLayer> DefaultFactory::createContainerLayer(const LayerCreationArgs& args) {
-    return new ContainerLayer(args);
-}
-
-sp<BufferQueueLayer> DefaultFactory::createBufferQueueLayer(const LayerCreationArgs& args) {
-    return new BufferQueueLayer(args);
+sp<Layer> DefaultFactory::createBufferStateLayer(const LayerCreationArgs& args) {
+    return sp<Layer>::make(args);
 }
 
-sp<BufferStateLayer> DefaultFactory::createBufferStateLayer(const LayerCreationArgs& args) {
-    return new BufferStateLayer(args);
+sp<Layer> DefaultFactory::createEffectLayer(const LayerCreationArgs& args) {
+    return sp<Layer>::make(args);
 }
 
-sp<EffectLayer> DefaultFactory::createEffectLayer(const LayerCreationArgs& args) {
-    return new EffectLayer(args);
+sp<LayerFE> DefaultFactory::createLayerFE(const std::string& layerName) {
+    return sp<LayerFE>::make(layerName);
 }
 
 std::unique_ptr<FrameTracer> DefaultFactory::createFrameTracer() {
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
index 501629d4da..2c6de0e113 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
@@ -29,7 +29,6 @@ public:
     std::unique_ptr<HWComposer> createHWComposer(const std::string& serviceName) override;
     std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
             Fps currentRefreshRate) override;
-    sp<SurfaceInterceptor> createSurfaceInterceptor() override;
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override;
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs&) override;
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
@@ -38,19 +37,12 @@ public:
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                            sp<IGraphicBufferConsumer>* outConsumer,
                            bool consumerIsSurfaceFlinger) override;
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>&,
-                                                       const sp<SurfaceFlinger>&,
-                                                       const wp<Layer>&) override;
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>&,
-                                                      renderengine::RenderEngine&, uint32_t tex,
-                                                      Layer*) override;
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>&) override;
     std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() override;
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs& args) override;
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) override;
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) override;
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) override;
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) override;
+    sp<Layer> createEffectLayer(const LayerCreationArgs& args) override;
+    sp<LayerFE> createLayerFE(const std::string& layerName) override;
     std::unique_ptr<FrameTracer> createFrameTracer() override;
     std::unique_ptr<frametimeline::FrameTimeline> createFrameTimeline(
             std::shared_ptr<TimeStats> timeStats, pid_t surfaceFlingerPid) override;
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.cpp b/services/surfaceflinger/SurfaceFlingerFactory.cpp
index 3997b04f5f..7bd6cf69f3 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.cpp
+++ b/services/surfaceflinger/SurfaceFlingerFactory.cpp
@@ -26,7 +26,7 @@ namespace android::surfaceflinger {
 sp<SurfaceFlinger> createSurfaceFlinger() {
     static DefaultFactory factory;
 
-    return new SurfaceFlinger(factory);
+    return sp<SurfaceFlinger>::make(factory);
 }
 
 } // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.h b/services/surfaceflinger/SurfaceFlingerFactory.h
index 6153e8e354..f310c4ac53 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerFactory.h
@@ -30,25 +30,20 @@ namespace android {
 
 typedef int32_t PixelFormat;
 
-class BufferQueueLayer;
 class BufferLayerConsumer;
-class BufferStateLayer;
-class ContainerLayer;
 class DisplayDevice;
-class EffectLayer;
 class FrameTracer;
 class GraphicBuffer;
 class HWComposer;
 class IGraphicBufferConsumer;
 class IGraphicBufferProducer;
 class Layer;
+class LayerFE;
 class StartPropertySetThread;
 class SurfaceFlinger;
-class SurfaceInterceptor;
 class TimeStats;
 
 struct DisplayDeviceCreationArgs;
-struct LayerCreationArgs;
 
 namespace compositionengine {
 class CompositionEngine;
@@ -57,7 +52,6 @@ class CompositionEngine;
 namespace scheduler {
 class VsyncConfiguration;
 class VsyncController;
-class RefreshRateConfigs;
 } // namespace scheduler
 
 namespace frametimeline {
@@ -66,6 +60,7 @@ class FrameTimeline;
 
 namespace surfaceflinger {
 
+struct LayerCreationArgs;
 class NativeWindowSurface;
 
 // The interface that SurfaceFlinger uses to create all of the implementations
@@ -75,7 +70,6 @@ public:
     virtual std::unique_ptr<HWComposer> createHWComposer(const std::string& serviceName) = 0;
     virtual std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
             Fps currentRefreshRate) = 0;
-    virtual sp<SurfaceInterceptor> createSurfaceInterceptor() = 0;
 
     virtual sp<StartPropertySetThread> createStartPropertySetThread(
             bool timestampPropertyValue) = 0;
@@ -86,22 +80,15 @@ public:
     virtual void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                                    sp<IGraphicBufferConsumer>* outConsumer,
                                    bool consumerIsSurfaceFlinger) = 0;
-    virtual sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>&,
-                                                               const sp<SurfaceFlinger>&,
-                                                               const wp<Layer>&) = 0;
-    virtual sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>&,
-                                                              renderengine::RenderEngine&,
-                                                              uint32_t tex, Layer*) = 0;
 
     virtual std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>&) = 0;
 
     virtual std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() = 0;
 
-    virtual sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) = 0;
+    virtual sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) = 0;
+    virtual sp<Layer> createEffectLayer(const LayerCreationArgs& args) = 0;
+    virtual sp<LayerFE> createLayerFE(const std::string& layerName) = 0;
     virtual std::unique_ptr<FrameTracer> createFrameTracer() = 0;
     virtual std::unique_ptr<frametimeline::FrameTimeline> createFrameTimeline(
             std::shared_ptr<TimeStats> timeStats, pid_t surfaceFlingerPid) = 0;
diff --git a/services/surfaceflinger/SurfaceFlingerProperties.cpp b/services/surfaceflinger/SurfaceFlingerProperties.cpp
index 20fa091730..5b7303090d 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.cpp
+++ b/services/surfaceflinger/SurfaceFlingerProperties.cpp
@@ -367,6 +367,14 @@ bool enable_frame_rate_override(bool defaultValue) {
     return SurfaceFlingerProperties::enable_frame_rate_override().value_or(defaultValue);
 }
 
+bool frame_rate_override_for_native_rates(bool defaultValue) {
+    return SurfaceFlingerProperties::frame_rate_override_for_native_rates().value_or(defaultValue);
+}
+
+bool frame_rate_override_global(bool defaultValue) {
+    return SurfaceFlingerProperties::frame_rate_override_global().value_or(defaultValue);
+}
+
 bool enable_layer_caching(bool defaultValue) {
     return SurfaceFlingerProperties::enable_layer_caching().value_or(defaultValue);
 }
diff --git a/services/surfaceflinger/SurfaceFlingerProperties.h b/services/surfaceflinger/SurfaceFlingerProperties.h
index 080feee686..09629cf93e 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.h
+++ b/services/surfaceflinger/SurfaceFlingerProperties.h
@@ -96,6 +96,10 @@ bool update_device_product_info_on_hotplug_reconnect(bool defaultValue);
 
 bool enable_frame_rate_override(bool defaultValue);
 
+bool frame_rate_override_for_native_rates(bool defaultValue);
+
+bool frame_rate_override_global(bool defaultValue);
+
 bool enable_layer_caching(bool defaultValue);
 
 bool enable_sdr_dimming(bool defaultValue);
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
deleted file mode 100644
index 0782fef8ea..0000000000
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ /dev/null
@@ -1,719 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-#undef LOG_TAG
-#define LOG_TAG "SurfaceInterceptor"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "Layer.h"
-#include "SurfaceFlinger.h"
-#include "SurfaceInterceptor.h"
-
-#include <fstream>
-
-#include <android-base/file.h>
-#include <log/log.h>
-#include <utils/Trace.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-// TODO(marissaw): add new layer state values to SurfaceInterceptor
-
-SurfaceInterceptor::~SurfaceInterceptor() = default;
-
-namespace impl {
-
-void SurfaceInterceptor::addTransactionTraceListener(
-        const sp<gui::ITransactionTraceListener>& listener) {
-    sp<IBinder> asBinder = IInterface::asBinder(listener);
-
-    std::scoped_lock lock(mListenersMutex);
-
-    asBinder->linkToDeath(this);
-
-    listener->onToggled(mEnabled); // notifies of current state
-
-    mTraceToggledListeners.emplace(asBinder, listener);
-}
-
-void SurfaceInterceptor::binderDied(const wp<IBinder>& who) {
-    std::scoped_lock lock(mListenersMutex);
-    mTraceToggledListeners.erase(who);
-}
-
-void SurfaceInterceptor::enable(const SortedVector<sp<Layer>>& layers,
-        const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays)
-{
-    if (mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    {
-        std::scoped_lock lock(mListenersMutex);
-        for (const auto& [_, listener] : mTraceToggledListeners) {
-            listener->onToggled(true);
-        }
-    }
-    mEnabled = true;
-    std::scoped_lock<std::mutex> protoGuard(mTraceMutex);
-    saveExistingDisplaysLocked(displays);
-    saveExistingSurfacesLocked(layers);
-}
-
-void SurfaceInterceptor::disable() {
-    if (!mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    {
-        std::scoped_lock lock(mListenersMutex);
-        for (const auto& [_, listener] : mTraceToggledListeners) {
-            listener->onToggled(false);
-        }
-    }
-    mEnabled = false;
-    std::scoped_lock<std::mutex> protoGuard(mTraceMutex);
-    status_t err(writeProtoFileLocked());
-    ALOGE_IF(err == PERMISSION_DENIED, "Could not save the proto file! Permission denied");
-    ALOGE_IF(err == NOT_ENOUGH_DATA, "Could not save the proto file! There are missing fields");
-    mTrace.Clear();
-}
-
-bool SurfaceInterceptor::isEnabled() {
-    return mEnabled;
-}
-
-void SurfaceInterceptor::saveExistingDisplaysLocked(
-        const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays)
-{
-    // Caveat: The initial snapshot does not capture the power mode of the existing displays
-    ATRACE_CALL();
-    for (size_t i = 0 ; i < displays.size() ; i++) {
-        addDisplayCreationLocked(createTraceIncrementLocked(), displays[i]);
-        addInitialDisplayStateLocked(createTraceIncrementLocked(), displays[i]);
-    }
-}
-
-void SurfaceInterceptor::saveExistingSurfacesLocked(const SortedVector<sp<Layer>>& layers) {
-    ATRACE_CALL();
-    for (const auto& l : layers) {
-        l->traverseInZOrder(LayerVector::StateSet::Drawing, [this](Layer* layer) {
-            addSurfaceCreationLocked(createTraceIncrementLocked(), layer);
-            addInitialSurfaceStateLocked(createTraceIncrementLocked(), layer);
-        });
-    }
-}
-
-void SurfaceInterceptor::addInitialSurfaceStateLocked(Increment* increment,
-        const sp<const Layer>& layer)
-{
-    Transaction* transaction(increment->mutable_transaction());
-    const uint32_t layerFlags = layer->getTransactionFlags();
-    transaction->set_synchronous(layerFlags & BnSurfaceComposer::eSynchronous);
-    transaction->set_animation(layerFlags & BnSurfaceComposer::eAnimation);
-
-    const int32_t layerId(getLayerId(layer));
-    addPositionLocked(transaction, layerId, layer->mDrawingState.transform.tx(),
-                      layer->mDrawingState.transform.ty());
-    addDepthLocked(transaction, layerId, layer->mDrawingState.z);
-    addAlphaLocked(transaction, layerId, layer->mDrawingState.color.a);
-    addTransparentRegionLocked(transaction, layerId,
-                               layer->mDrawingState.activeTransparentRegion_legacy);
-    addLayerStackLocked(transaction, layerId, layer->mDrawingState.layerStack);
-    addCropLocked(transaction, layerId, layer->mDrawingState.crop);
-    addCornerRadiusLocked(transaction, layerId, layer->mDrawingState.cornerRadius);
-    addBackgroundBlurRadiusLocked(transaction, layerId, layer->mDrawingState.backgroundBlurRadius);
-    addBlurRegionsLocked(transaction, layerId, layer->mDrawingState.blurRegions);
-    addFlagsLocked(transaction, layerId, layer->mDrawingState.flags,
-                   layer_state_t::eLayerHidden | layer_state_t::eLayerOpaque |
-                           layer_state_t::eLayerSecure);
-    addReparentLocked(transaction, layerId, getLayerIdFromWeakRef(layer->mDrawingParent));
-    addRelativeParentLocked(transaction, layerId,
-                            getLayerIdFromWeakRef(layer->mDrawingState.zOrderRelativeOf),
-                            layer->mDrawingState.z);
-    addShadowRadiusLocked(transaction, layerId, layer->mDrawingState.shadowRadius);
-    addTrustedOverlayLocked(transaction, layerId, layer->mDrawingState.isTrustedOverlay);
-}
-
-void SurfaceInterceptor::addInitialDisplayStateLocked(Increment* increment,
-        const DisplayDeviceState& display)
-{
-    Transaction* transaction(increment->mutable_transaction());
-    transaction->set_synchronous(false);
-    transaction->set_animation(false);
-
-    addDisplaySurfaceLocked(transaction, display.sequenceId, display.surface);
-    addDisplayLayerStackLocked(transaction, display.sequenceId, display.layerStack);
-    addDisplayFlagsLocked(transaction, display.sequenceId, display.flags);
-    addDisplaySizeLocked(transaction, display.sequenceId, display.width, display.height);
-    addDisplayProjectionLocked(transaction, display.sequenceId, toRotationInt(display.orientation),
-                               display.layerStackSpaceRect, display.orientedDisplaySpaceRect);
-}
-
-status_t SurfaceInterceptor::writeProtoFileLocked() {
-    ATRACE_CALL();
-    std::string output;
-
-    if (!mTrace.IsInitialized()) {
-        return NOT_ENOUGH_DATA;
-    }
-    if (!mTrace.SerializeToString(&output)) {
-        return PERMISSION_DENIED;
-    }
-    if (!android::base::WriteStringToFile(output, mOutputFileName, true)) {
-        return PERMISSION_DENIED;
-    }
-
-    return NO_ERROR;
-}
-
-const sp<const Layer> SurfaceInterceptor::getLayer(const wp<IBinder>& weakHandle) const {
-    sp<IBinder> handle = weakHandle.promote();
-    return Layer::fromHandle(handle).promote();
-}
-
-int32_t SurfaceInterceptor::getLayerId(const sp<const Layer>& layer) const {
-    return layer->sequence;
-}
-
-int32_t SurfaceInterceptor::getLayerIdFromWeakRef(const wp<const Layer>& layer) const {
-    if (layer == nullptr) {
-        return -1;
-    }
-    auto strongLayer = layer.promote();
-    return strongLayer == nullptr ? -1 : getLayerId(strongLayer);
-}
-
-int32_t SurfaceInterceptor::getLayerIdFromHandle(const sp<IBinder>& handle) const {
-    if (handle == nullptr) {
-        return -1;
-    }
-    const sp<const Layer> layer = Layer::fromHandle(handle).promote();
-    return layer == nullptr ? -1 : getLayerId(layer);
-}
-
-Increment* SurfaceInterceptor::createTraceIncrementLocked() {
-    Increment* increment(mTrace.add_increment());
-    increment->set_time_stamp(elapsedRealtimeNano());
-    return increment;
-}
-
-SurfaceChange* SurfaceInterceptor::createSurfaceChangeLocked(Transaction* transaction,
-        int32_t layerId)
-{
-    SurfaceChange* change(transaction->add_surface_change());
-    change->set_id(layerId);
-    return change;
-}
-
-DisplayChange* SurfaceInterceptor::createDisplayChangeLocked(Transaction* transaction,
-        int32_t sequenceId)
-{
-    DisplayChange* dispChange(transaction->add_display_change());
-    dispChange->set_id(sequenceId);
-    return dispChange;
-}
-
-void SurfaceInterceptor::setProtoRectLocked(Rectangle* protoRect, const Rect& rect) {
-    protoRect->set_left(rect.left);
-    protoRect->set_top(rect.top);
-    protoRect->set_right(rect.right);
-    protoRect->set_bottom(rect.bottom);
-}
-
-void SurfaceInterceptor::setTransactionOriginLocked(Transaction* transaction, int32_t pid,
-                                                    int32_t uid) {
-    Origin* origin(transaction->mutable_origin());
-    origin->set_pid(pid);
-    origin->set_uid(uid);
-}
-
-void SurfaceInterceptor::addPositionLocked(Transaction* transaction, int32_t layerId,
-        float x, float y)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    PositionChange* posChange(change->mutable_position());
-    posChange->set_x(x);
-    posChange->set_y(y);
-}
-
-void SurfaceInterceptor::addDepthLocked(Transaction* transaction, int32_t layerId,
-        uint32_t z)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    LayerChange* depthChange(change->mutable_layer());
-    depthChange->set_layer(z);
-}
-
-void SurfaceInterceptor::addSizeLocked(Transaction* transaction, int32_t layerId, uint32_t w,
-        uint32_t h)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    SizeChange* sizeChange(change->mutable_size());
-    sizeChange->set_w(w);
-    sizeChange->set_h(h);
-}
-
-void SurfaceInterceptor::addAlphaLocked(Transaction* transaction, int32_t layerId,
-        float alpha)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    AlphaChange* alphaChange(change->mutable_alpha());
-    alphaChange->set_alpha(alpha);
-}
-
-void SurfaceInterceptor::addMatrixLocked(Transaction* transaction, int32_t layerId,
-        const layer_state_t::matrix22_t& matrix)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    MatrixChange* matrixChange(change->mutable_matrix());
-    matrixChange->set_dsdx(matrix.dsdx);
-    matrixChange->set_dtdx(matrix.dtdx);
-    matrixChange->set_dsdy(matrix.dsdy);
-    matrixChange->set_dtdy(matrix.dtdy);
-}
-
-void SurfaceInterceptor::addTransparentRegionLocked(Transaction* transaction,
-        int32_t layerId, const Region& transRegion)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    TransparentRegionHintChange* transparentChange(change->mutable_transparent_region_hint());
-
-    for (const auto& rect : transRegion) {
-        Rectangle* protoRect(transparentChange->add_region());
-        setProtoRectLocked(protoRect, rect);
-    }
-}
-
-void SurfaceInterceptor::addFlagsLocked(Transaction* transaction, int32_t layerId, uint8_t flags,
-                                        uint8_t mask) {
-    // There can be multiple flags changed
-    if (mask & layer_state_t::eLayerHidden) {
-        SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-        HiddenFlagChange* flagChange(change->mutable_hidden_flag());
-        flagChange->set_hidden_flag(flags & layer_state_t::eLayerHidden);
-    }
-    if (mask & layer_state_t::eLayerOpaque) {
-        SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-        OpaqueFlagChange* flagChange(change->mutable_opaque_flag());
-        flagChange->set_opaque_flag(flags & layer_state_t::eLayerOpaque);
-    }
-    if (mask & layer_state_t::eLayerSecure) {
-        SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-        SecureFlagChange* flagChange(change->mutable_secure_flag());
-        flagChange->set_secure_flag(flags & layer_state_t::eLayerSecure);
-    }
-}
-
-void SurfaceInterceptor::addLayerStackLocked(Transaction* transaction, int32_t layerId,
-                                             ui::LayerStack layerStack) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    LayerStackChange* layerStackChange(change->mutable_layer_stack());
-    layerStackChange->set_layer_stack(layerStack.id);
-}
-
-void SurfaceInterceptor::addCropLocked(Transaction* transaction, int32_t layerId,
-        const Rect& rect)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    CropChange* cropChange(change->mutable_crop());
-    Rectangle* protoRect(cropChange->mutable_rectangle());
-    setProtoRectLocked(protoRect, rect);
-}
-
-void SurfaceInterceptor::addCornerRadiusLocked(Transaction* transaction, int32_t layerId,
-                                       float cornerRadius)
-{
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    CornerRadiusChange* cornerRadiusChange(change->mutable_corner_radius());
-    cornerRadiusChange->set_corner_radius(cornerRadius);
-}
-
-void SurfaceInterceptor::addBackgroundBlurRadiusLocked(Transaction* transaction, int32_t layerId,
-                                                       int32_t backgroundBlurRadius) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    BackgroundBlurRadiusChange* blurRadiusChange(change->mutable_background_blur_radius());
-    blurRadiusChange->set_background_blur_radius(backgroundBlurRadius);
-}
-
-void SurfaceInterceptor::addBlurRegionsLocked(Transaction* transaction, int32_t layerId,
-                                              const std::vector<BlurRegion>& blurRegions) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    BlurRegionsChange* blurRegionsChange(change->mutable_blur_regions());
-    for (const auto blurRegion : blurRegions) {
-        const auto blurRegionChange = blurRegionsChange->add_blur_regions();
-        blurRegionChange->set_blur_radius(blurRegion.blurRadius);
-        blurRegionChange->set_corner_radius_tl(blurRegion.cornerRadiusTL);
-        blurRegionChange->set_corner_radius_tr(blurRegion.cornerRadiusTR);
-        blurRegionChange->set_corner_radius_bl(blurRegion.cornerRadiusBL);
-        blurRegionChange->set_corner_radius_br(blurRegion.cornerRadiusBR);
-        blurRegionChange->set_alpha(blurRegion.alpha);
-        blurRegionChange->set_left(blurRegion.left);
-        blurRegionChange->set_top(blurRegion.top);
-        blurRegionChange->set_right(blurRegion.right);
-        blurRegionChange->set_bottom(blurRegion.bottom);
-    }
-}
-
-void SurfaceInterceptor::addReparentLocked(Transaction* transaction, int32_t layerId,
-                                           int32_t parentId) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    ReparentChange* overrideChange(change->mutable_reparent());
-    overrideChange->set_parent_id(parentId);
-}
-
-void SurfaceInterceptor::addRelativeParentLocked(Transaction* transaction, int32_t layerId,
-                                                 int32_t parentId, int z) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    RelativeParentChange* overrideChange(change->mutable_relative_parent());
-    overrideChange->set_relative_parent_id(parentId);
-    overrideChange->set_z(z);
-}
-
-void SurfaceInterceptor::addShadowRadiusLocked(Transaction* transaction, int32_t layerId,
-                                               float shadowRadius) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    ShadowRadiusChange* overrideChange(change->mutable_shadow_radius());
-    overrideChange->set_radius(shadowRadius);
-}
-
-void SurfaceInterceptor::addTrustedOverlayLocked(Transaction* transaction, int32_t layerId,
-                                                 bool isTrustedOverlay) {
-    SurfaceChange* change(createSurfaceChangeLocked(transaction, layerId));
-    TrustedOverlayChange* overrideChange(change->mutable_trusted_overlay());
-    overrideChange->set_is_trusted_overlay(isTrustedOverlay);
-}
-
-void SurfaceInterceptor::addSurfaceChangesLocked(Transaction* transaction,
-        const layer_state_t& state)
-{
-    const sp<const Layer> layer(getLayer(state.surface));
-    if (layer == nullptr) {
-        ALOGE("An existing layer could not be retrieved with the surface "
-                "from the layer_state_t surface in the update transaction");
-        return;
-    }
-
-    const int32_t layerId(getLayerId(layer));
-
-    if (state.what & layer_state_t::ePositionChanged) {
-        addPositionLocked(transaction, layerId, state.x, state.y);
-    }
-    if (state.what & layer_state_t::eLayerChanged) {
-        addDepthLocked(transaction, layerId, state.z);
-    }
-    if (state.what & layer_state_t::eSizeChanged) {
-        addSizeLocked(transaction, layerId, state.w, state.h);
-    }
-    if (state.what & layer_state_t::eAlphaChanged) {
-        addAlphaLocked(transaction, layerId, state.alpha);
-    }
-    if (state.what & layer_state_t::eMatrixChanged) {
-        addMatrixLocked(transaction, layerId, state.matrix);
-    }
-    if (state.what & layer_state_t::eTransparentRegionChanged) {
-        addTransparentRegionLocked(transaction, layerId, state.transparentRegion);
-    }
-    if (state.what & layer_state_t::eFlagsChanged) {
-        addFlagsLocked(transaction, layerId, state.flags, state.mask);
-    }
-    if (state.what & layer_state_t::eLayerStackChanged) {
-        addLayerStackLocked(transaction, layerId, state.layerStack);
-    }
-    if (state.what & layer_state_t::eCropChanged) {
-        addCropLocked(transaction, layerId, state.crop);
-    }
-    if (state.what & layer_state_t::eCornerRadiusChanged) {
-        addCornerRadiusLocked(transaction, layerId, state.cornerRadius);
-    }
-    if (state.what & layer_state_t::eBackgroundBlurRadiusChanged) {
-        addBackgroundBlurRadiusLocked(transaction, layerId, state.backgroundBlurRadius);
-    }
-    if (state.what & layer_state_t::eBlurRegionsChanged) {
-        addBlurRegionsLocked(transaction, layerId, state.blurRegions);
-    }
-    if (state.what & layer_state_t::eReparent) {
-        auto parentHandle = (state.parentSurfaceControlForChild)
-                ? state.parentSurfaceControlForChild->getHandle()
-                : nullptr;
-        addReparentLocked(transaction, layerId, getLayerIdFromHandle(parentHandle));
-    }
-    if (state.what & layer_state_t::eRelativeLayerChanged) {
-        addRelativeParentLocked(transaction, layerId,
-                                getLayerIdFromHandle(
-                                        state.relativeLayerSurfaceControl->getHandle()),
-                                state.z);
-    }
-    if (state.what & layer_state_t::eShadowRadiusChanged) {
-        addShadowRadiusLocked(transaction, layerId, state.shadowRadius);
-    }
-    if (state.what & layer_state_t::eTrustedOverlayChanged) {
-        addTrustedOverlayLocked(transaction, layerId, state.isTrustedOverlay);
-    }
-    if (state.what & layer_state_t::eStretchChanged) {
-        ALOGW("SurfaceInterceptor not implemented for eStretchChanged");
-    }
-}
-
-void SurfaceInterceptor::addDisplayChangesLocked(Transaction* transaction,
-        const DisplayState& state, int32_t sequenceId)
-{
-    if (state.what & DisplayState::eSurfaceChanged) {
-        addDisplaySurfaceLocked(transaction, sequenceId, state.surface);
-    }
-    if (state.what & DisplayState::eLayerStackChanged) {
-        addDisplayLayerStackLocked(transaction, sequenceId, state.layerStack);
-    }
-    if (state.what & DisplayState::eFlagsChanged) {
-        addDisplayFlagsLocked(transaction, sequenceId, state.flags);
-    }
-    if (state.what & DisplayState::eDisplaySizeChanged) {
-        addDisplaySizeLocked(transaction, sequenceId, state.width, state.height);
-    }
-    if (state.what & DisplayState::eDisplayProjectionChanged) {
-        addDisplayProjectionLocked(transaction, sequenceId, toRotationInt(state.orientation),
-                                   state.layerStackSpaceRect, state.orientedDisplaySpaceRect);
-    }
-}
-
-void SurfaceInterceptor::addTransactionLocked(
-        Increment* increment, const Vector<ComposerState>& stateUpdates,
-        const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-        const Vector<DisplayState>& changedDisplays, uint32_t transactionFlags, int originPid,
-        int originUid, uint64_t transactionId) {
-    Transaction* transaction(increment->mutable_transaction());
-    transaction->set_synchronous(transactionFlags & BnSurfaceComposer::eSynchronous);
-    transaction->set_animation(transactionFlags & BnSurfaceComposer::eAnimation);
-    setTransactionOriginLocked(transaction, originPid, originUid);
-    transaction->set_id(transactionId);
-    for (const auto& compState: stateUpdates) {
-        addSurfaceChangesLocked(transaction, compState.state);
-    }
-    for (const auto& disp: changedDisplays) {
-        ssize_t dpyIdx = displays.indexOfKey(disp.token);
-        if (dpyIdx >= 0) {
-            const DisplayDeviceState& dispState(displays.valueAt(dpyIdx));
-            addDisplayChangesLocked(transaction, disp, dispState.sequenceId);
-        }
-    }
-}
-
-void SurfaceInterceptor::addSurfaceCreationLocked(Increment* increment,
-        const sp<const Layer>& layer)
-{
-    SurfaceCreation* creation(increment->mutable_surface_creation());
-    creation->set_id(getLayerId(layer));
-    creation->set_name(layer->getName());
-    creation->set_w(layer->mDrawingState.active_legacy.w);
-    creation->set_h(layer->mDrawingState.active_legacy.h);
-}
-
-void SurfaceInterceptor::addSurfaceDeletionLocked(Increment* increment,
-        const sp<const Layer>& layer)
-{
-    SurfaceDeletion* deletion(increment->mutable_surface_deletion());
-    deletion->set_id(getLayerId(layer));
-}
-
-void SurfaceInterceptor::addBufferUpdateLocked(Increment* increment, int32_t layerId,
-        uint32_t width, uint32_t height, uint64_t frameNumber)
-{
-    BufferUpdate* update(increment->mutable_buffer_update());
-    update->set_id(layerId);
-    update->set_w(width);
-    update->set_h(height);
-    update->set_frame_number(frameNumber);
-}
-
-void SurfaceInterceptor::addVSyncUpdateLocked(Increment* increment, nsecs_t timestamp) {
-    VSyncEvent* event(increment->mutable_vsync_event());
-    event->set_when(timestamp);
-}
-
-void SurfaceInterceptor::addDisplaySurfaceLocked(Transaction* transaction, int32_t sequenceId,
-        const sp<const IGraphicBufferProducer>& surface)
-{
-    if (surface == nullptr) {
-        return;
-    }
-    uint64_t bufferQueueId = 0;
-    status_t err(surface->getUniqueId(&bufferQueueId));
-    if (err == NO_ERROR) {
-        DisplayChange* dispChange(createDisplayChangeLocked(transaction, sequenceId));
-        DispSurfaceChange* surfaceChange(dispChange->mutable_surface());
-        surfaceChange->set_buffer_queue_id(bufferQueueId);
-        surfaceChange->set_buffer_queue_name(surface->getConsumerName().string());
-    }
-    else {
-        ALOGE("invalid graphic buffer producer received while tracing a display change (%s)",
-                strerror(-err));
-    }
-}
-
-void SurfaceInterceptor::addDisplayLayerStackLocked(Transaction* transaction, int32_t sequenceId,
-                                                    ui::LayerStack layerStack) {
-    DisplayChange* dispChange(createDisplayChangeLocked(transaction, sequenceId));
-    LayerStackChange* layerStackChange(dispChange->mutable_layer_stack());
-    layerStackChange->set_layer_stack(layerStack.id);
-}
-
-void SurfaceInterceptor::addDisplayFlagsLocked(Transaction* transaction, int32_t sequenceId,
-                                               uint32_t flags) {
-    DisplayChange* dispChange(createDisplayChangeLocked(transaction, sequenceId));
-    DisplayFlagsChange* flagsChange(dispChange->mutable_flags());
-    flagsChange->set_flags(flags);
-}
-
-void SurfaceInterceptor::addDisplaySizeLocked(Transaction* transaction, int32_t sequenceId,
-        uint32_t w, uint32_t h)
-{
-    DisplayChange* dispChange(createDisplayChangeLocked(transaction, sequenceId));
-    SizeChange* sizeChange(dispChange->mutable_size());
-    sizeChange->set_w(w);
-    sizeChange->set_h(h);
-}
-
-void SurfaceInterceptor::addDisplayProjectionLocked(Transaction* transaction,
-        int32_t sequenceId, int32_t orientation, const Rect& viewport, const Rect& frame)
-{
-    DisplayChange* dispChange(createDisplayChangeLocked(transaction, sequenceId));
-    ProjectionChange* projectionChange(dispChange->mutable_projection());
-    projectionChange->set_orientation(orientation);
-    Rectangle* viewportRect(projectionChange->mutable_viewport());
-    setProtoRectLocked(viewportRect, viewport);
-    Rectangle* frameRect(projectionChange->mutable_frame());
-    setProtoRectLocked(frameRect, frame);
-}
-
-void SurfaceInterceptor::addDisplayCreationLocked(Increment* increment,
-        const DisplayDeviceState& info)
-{
-    DisplayCreation* creation(increment->mutable_display_creation());
-    creation->set_id(info.sequenceId);
-    creation->set_name(info.displayName);
-    creation->set_is_secure(info.isSecure);
-    if (info.physical) {
-        creation->set_display_id(info.physical->id.value);
-    }
-}
-
-void SurfaceInterceptor::addDisplayDeletionLocked(Increment* increment, int32_t sequenceId) {
-    DisplayDeletion* deletion(increment->mutable_display_deletion());
-    deletion->set_id(sequenceId);
-}
-
-void SurfaceInterceptor::addPowerModeUpdateLocked(Increment* increment, int32_t sequenceId,
-        int32_t mode)
-{
-    PowerModeUpdate* powerModeUpdate(increment->mutable_power_mode_update());
-    powerModeUpdate->set_id(sequenceId);
-    powerModeUpdate->set_mode(mode);
-}
-
-void SurfaceInterceptor::saveTransaction(
-        const Vector<ComposerState>& stateUpdates,
-        const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-        const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPid, int originUid,
-        uint64_t transactionId) {
-    if (!mEnabled || (stateUpdates.size() <= 0 && changedDisplays.size() <= 0)) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addTransactionLocked(createTraceIncrementLocked(), stateUpdates, displays, changedDisplays,
-                         flags, originPid, originUid, transactionId);
-}
-
-void SurfaceInterceptor::saveSurfaceCreation(const sp<const Layer>& layer) {
-    if (!mEnabled || layer == nullptr) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addSurfaceCreationLocked(createTraceIncrementLocked(), layer);
-}
-
-void SurfaceInterceptor::saveSurfaceDeletion(const sp<const Layer>& layer) {
-    if (!mEnabled || layer == nullptr) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addSurfaceDeletionLocked(createTraceIncrementLocked(), layer);
-}
-
-/**
- * Here we pass the layer by ID instead of by sp<> since this is called without
- * holding the state-lock from a Binder thread. If we required the caller
- * to pass 'this' by sp<> the temporary sp<> constructed could end up
- * being the last reference and we might accidentally destroy the Layer
- * from this binder thread.
- */
-void SurfaceInterceptor::saveBufferUpdate(int32_t layerId, uint32_t width,
-        uint32_t height, uint64_t frameNumber)
-{
-    if (!mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addBufferUpdateLocked(createTraceIncrementLocked(), layerId, width, height, frameNumber);
-}
-
-void SurfaceInterceptor::saveVSyncEvent(nsecs_t timestamp) {
-    if (!mEnabled) {
-        return;
-    }
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addVSyncUpdateLocked(createTraceIncrementLocked(), timestamp);
-}
-
-void SurfaceInterceptor::saveDisplayCreation(const DisplayDeviceState& info) {
-    if (!mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addDisplayCreationLocked(createTraceIncrementLocked(), info);
-}
-
-void SurfaceInterceptor::saveDisplayDeletion(int32_t sequenceId) {
-    if (!mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addDisplayDeletionLocked(createTraceIncrementLocked(), sequenceId);
-}
-
-void SurfaceInterceptor::savePowerModeUpdate(int32_t sequenceId, int32_t mode) {
-    if (!mEnabled) {
-        return;
-    }
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addPowerModeUpdateLocked(createTraceIncrementLocked(), sequenceId, mode);
-}
-
-} // namespace impl
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
deleted file mode 100644
index 970c3e5c27..0000000000
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SURFACEINTERCEPTOR_H
-#define ANDROID_SURFACEINTERCEPTOR_H
-
-#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
-
-#include <mutex>
-
-#include <binder/IBinder.h>
-
-#include <gui/LayerState.h>
-
-#include <utils/KeyedVector.h>
-#include <utils/SortedVector.h>
-#include <utils/StrongPointer.h>
-#include <utils/Vector.h>
-
-#include "DisplayDevice.h"
-
-namespace android {
-
-class BufferItem;
-class Layer;
-class SurfaceFlinger;
-struct ComposerState;
-struct DisplayDeviceState;
-struct DisplayState;
-struct layer_state_t;
-using Transaction = surfaceflinger::Transaction;
-using Trace = surfaceflinger::Trace;
-using Rectangle = surfaceflinger::Rectangle;
-using SurfaceChange = surfaceflinger::SurfaceChange;
-using Increment = surfaceflinger::Increment;
-using DisplayChange = surfaceflinger::DisplayChange;
-
-constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.winscope";
-
-class SurfaceInterceptor : public IBinder::DeathRecipient {
-public:
-    virtual ~SurfaceInterceptor();
-
-    // Both vectors are used to capture the current state of SF as the initial snapshot in the trace
-    virtual void enable(const SortedVector<sp<Layer>>& layers,
-                        const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays) = 0;
-    virtual void disable() = 0;
-    virtual bool isEnabled() = 0;
-
-    virtual void addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) = 0;
-    virtual void binderDied(const wp<IBinder>& who) = 0;
-
-    // Intercept display and surface transactions
-    virtual void saveTransaction(
-            const Vector<ComposerState>& stateUpdates,
-            const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-            const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPid,
-            int originUid, uint64_t transactionId) = 0;
-
-    // Intercept surface data
-    virtual void saveSurfaceCreation(const sp<const Layer>& layer) = 0;
-    virtual void saveSurfaceDeletion(const sp<const Layer>& layer) = 0;
-    virtual void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
-                                  uint64_t frameNumber) = 0;
-
-    // Intercept display data
-    virtual void saveDisplayCreation(const DisplayDeviceState& info) = 0;
-    virtual void saveDisplayDeletion(int32_t sequenceId) = 0;
-    virtual void savePowerModeUpdate(int32_t sequenceId, int32_t mode) = 0;
-    virtual void saveVSyncEvent(nsecs_t timestamp) = 0;
-};
-
-namespace impl {
-
-/*
- * SurfaceInterceptor intercepts and stores incoming streams of window
- * properties on SurfaceFlinger.
- */
-class SurfaceInterceptor final : public android::SurfaceInterceptor {
-public:
-    SurfaceInterceptor() = default;
-    ~SurfaceInterceptor() override = default;
-
-    // Both vectors are used to capture the current state of SF as the initial snapshot in the trace
-    void enable(const SortedVector<sp<Layer>>& layers,
-                const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays) override;
-    void disable() override;
-    bool isEnabled() override;
-
-    void addTransactionTraceListener(const sp<gui::ITransactionTraceListener>& listener) override;
-    void binderDied(const wp<IBinder>& who) override;
-
-    // Intercept display and surface transactions
-    void saveTransaction(const Vector<ComposerState>& stateUpdates,
-                         const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-                         const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPid,
-                         int originUid, uint64_t transactionId) override;
-
-    // Intercept surface data
-    void saveSurfaceCreation(const sp<const Layer>& layer) override;
-    void saveSurfaceDeletion(const sp<const Layer>& layer) override;
-    void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
-                          uint64_t frameNumber) override;
-
-    // Intercept display data
-    void saveDisplayCreation(const DisplayDeviceState& info) override;
-    void saveDisplayDeletion(int32_t sequenceId) override;
-    void savePowerModeUpdate(int32_t sequenceId, int32_t mode) override;
-    void saveVSyncEvent(nsecs_t timestamp) override;
-
-private:
-    // The creation increments of Surfaces and Displays do not contain enough information to capture
-    // the initial state of each object, so a transaction with all of the missing properties is
-    // performed at the initial snapshot for each display and surface.
-    void saveExistingDisplaysLocked(
-            const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays);
-    void saveExistingSurfacesLocked(const SortedVector<sp<Layer>>& layers);
-    void addInitialSurfaceStateLocked(Increment* increment, const sp<const Layer>& layer);
-    void addInitialDisplayStateLocked(Increment* increment, const DisplayDeviceState& display);
-
-    status_t writeProtoFileLocked();
-    const sp<const Layer> getLayer(const wp<IBinder>& weakHandle) const;
-    int32_t getLayerId(const sp<const Layer>& layer) const;
-    int32_t getLayerIdFromWeakRef(const wp<const Layer>& layer) const;
-    int32_t getLayerIdFromHandle(const sp<IBinder>& weakHandle) const;
-
-    Increment* createTraceIncrementLocked();
-    void addSurfaceCreationLocked(Increment* increment, const sp<const Layer>& layer);
-    void addSurfaceDeletionLocked(Increment* increment, const sp<const Layer>& layer);
-    void addBufferUpdateLocked(Increment* increment, int32_t layerId, uint32_t width,
-            uint32_t height, uint64_t frameNumber);
-    void addVSyncUpdateLocked(Increment* increment, nsecs_t timestamp);
-    void addDisplayCreationLocked(Increment* increment, const DisplayDeviceState& info);
-    void addDisplayDeletionLocked(Increment* increment, int32_t sequenceId);
-    void addPowerModeUpdateLocked(Increment* increment, int32_t sequenceId, int32_t mode);
-
-    // Add surface transactions to the trace
-    SurfaceChange* createSurfaceChangeLocked(Transaction* transaction, int32_t layerId);
-    void setProtoRectLocked(Rectangle* protoRect, const Rect& rect);
-    void addPositionLocked(Transaction* transaction, int32_t layerId, float x, float y);
-    void addDepthLocked(Transaction* transaction, int32_t layerId, uint32_t z);
-    void addSizeLocked(Transaction* transaction, int32_t layerId, uint32_t w, uint32_t h);
-    void addAlphaLocked(Transaction* transaction, int32_t layerId, float alpha);
-    void addMatrixLocked(Transaction* transaction, int32_t layerId,
-            const layer_state_t::matrix22_t& matrix);
-    void addTransparentRegionLocked(Transaction* transaction, int32_t layerId,
-            const Region& transRegion);
-    void addFlagsLocked(Transaction* transaction, int32_t layerId, uint8_t flags, uint8_t mask);
-    void addLayerStackLocked(Transaction* transaction, int32_t layerId, ui::LayerStack);
-    void addCropLocked(Transaction* transaction, int32_t layerId, const Rect& rect);
-    void addCornerRadiusLocked(Transaction* transaction, int32_t layerId, float cornerRadius);
-    void addBackgroundBlurRadiusLocked(Transaction* transaction, int32_t layerId,
-                                       int32_t backgroundBlurRadius);
-    void addBlurRegionsLocked(Transaction* transaction, int32_t layerId,
-                              const std::vector<BlurRegion>& effectRegions);
-    void addSurfaceChangesLocked(Transaction* transaction, const layer_state_t& state);
-    void addTransactionLocked(Increment* increment, const Vector<ComposerState>& stateUpdates,
-                              const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-                              const Vector<DisplayState>& changedDisplays,
-                              uint32_t transactionFlags, int originPid, int originUid,
-                              uint64_t transactionId);
-    void addReparentLocked(Transaction* transaction, int32_t layerId, int32_t parentId);
-    void addRelativeParentLocked(Transaction* transaction, int32_t layerId, int32_t parentId,
-                                 int z);
-    void addShadowRadiusLocked(Transaction* transaction, int32_t layerId, float shadowRadius);
-    void addTrustedOverlayLocked(Transaction* transaction, int32_t layerId, bool isTrustedOverlay);
-
-    // Add display transactions to the trace
-    DisplayChange* createDisplayChangeLocked(Transaction* transaction, int32_t sequenceId);
-    void addDisplaySurfaceLocked(Transaction* transaction, int32_t sequenceId,
-            const sp<const IGraphicBufferProducer>& surface);
-    void addDisplayLayerStackLocked(Transaction* transaction, int32_t sequenceId, ui::LayerStack);
-    void addDisplayFlagsLocked(Transaction* transaction, int32_t sequenceId, uint32_t flags);
-    void addDisplaySizeLocked(Transaction* transaction, int32_t sequenceId, uint32_t w,
-            uint32_t h);
-    void addDisplayProjectionLocked(Transaction* transaction, int32_t sequenceId,
-            int32_t orientation, const Rect& viewport, const Rect& frame);
-    void addDisplayChangesLocked(Transaction* transaction,
-            const DisplayState& state, int32_t sequenceId);
-
-    // Add transaction origin to trace
-    void setTransactionOriginLocked(Transaction* transaction, int32_t pid, int32_t uid);
-
-    bool mEnabled {false};
-    std::string mOutputFileName {DEFAULT_FILENAME};
-    std::mutex mTraceMutex {};
-    Trace mTrace {};
-    std::mutex mListenersMutex;
-    std::map<wp<IBinder>, sp<gui::ITransactionTraceListener>> mTraceToggledListeners
-            GUARDED_BY(mListenersMutex);
-};
-
-} // namespace impl
-
-} // namespace android
-
-#endif // ANDROID_SURFACEINTERCEPTOR_H
diff --git a/services/surfaceflinger/TimeStats/TimeStats.cpp b/services/surfaceflinger/TimeStats/TimeStats.cpp
index e5a9dd47c3..630cef1fd4 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.cpp
+++ b/services/surfaceflinger/TimeStats/TimeStats.cpp
@@ -27,6 +27,7 @@
 
 #include <algorithm>
 #include <chrono>
+#include <cmath>
 #include <unordered_map>
 
 #include "TimeStats.h"
@@ -68,6 +69,8 @@ SurfaceflingerStatsLayerInfo_GameMode gameModeToProto(GameMode gameMode) {
             return SurfaceflingerStatsLayerInfo::GAME_MODE_PERFORMANCE;
         case GameMode::Battery:
             return SurfaceflingerStatsLayerInfo::GAME_MODE_BATTERY;
+        case GameMode::Custom:
+            return SurfaceflingerStatsLayerInfo::GAME_MODE_CUSTOM;
         default:
             return SurfaceflingerStatsLayerInfo::GAME_MODE_UNSPECIFIED;
     }
@@ -88,7 +91,7 @@ SurfaceflingerStatsLayerInfo_SetFrameRateVote frameRateVoteToProto(
 }
 } // namespace
 
-bool TimeStats::populateGlobalAtom(std::string* pulledData) {
+bool TimeStats::populateGlobalAtom(std::vector<uint8_t>* pulledData) {
     std::lock_guard<std::mutex> lock(mMutex);
 
     if (mTimeStats.statsStartLegacy == 0) {
@@ -136,10 +139,11 @@ bool TimeStats::populateGlobalAtom(std::string* pulledData) {
     // Always clear data.
     clearGlobalLocked();
 
-    return atomList.SerializeToString(pulledData);
+    pulledData->resize(atomList.ByteSizeLong());
+    return atomList.SerializeToArray(pulledData->data(), atomList.ByteSizeLong());
 }
 
-bool TimeStats::populateLayerAtom(std::string* pulledData) {
+bool TimeStats::populateLayerAtom(std::vector<uint8_t>* pulledData) {
     std::lock_guard<std::mutex> lock(mMutex);
 
     std::vector<TimeStatsHelper::TimeStatsLayer*> dumpStats;
@@ -177,6 +181,12 @@ bool TimeStats::populateLayerAtom(std::string* pulledData) {
             *atom->mutable_present_to_present() =
                     histogramToProto(present2PresentHist->second.hist, mMaxPulledHistogramBuckets);
         }
+        const auto& present2PresentDeltaHist = layer->deltas.find("present2presentDelta");
+        if (present2PresentDeltaHist != layer->deltas.cend()) {
+            *atom->mutable_present_to_present_delta() =
+                    histogramToProto(present2PresentDeltaHist->second.hist,
+                                     mMaxPulledHistogramBuckets);
+        }
         const auto& post2presentHist = layer->deltas.find("post2present");
         if (post2presentHist != layer->deltas.cend()) {
             *atom->mutable_post_to_present() =
@@ -227,7 +237,8 @@ bool TimeStats::populateLayerAtom(std::string* pulledData) {
     // Always clear data.
     clearLayersLocked();
 
-    return atomList.SerializeToString(pulledData);
+    pulledData->resize(atomList.ByteSizeLong());
+    return atomList.SerializeToArray(pulledData->data(), atomList.ByteSizeLong());
 }
 
 TimeStats::TimeStats() : TimeStats(std::nullopt, std::nullopt) {}
@@ -243,7 +254,7 @@ TimeStats::TimeStats(std::optional<size_t> maxPulledLayers,
     }
 }
 
-bool TimeStats::onPullAtom(const int atomId, std::string* pulledData) {
+bool TimeStats::onPullAtom(const int atomId, std::vector<uint8_t>* pulledData) {
     bool success = false;
     if (atomId == 10062) { // SURFACEFLINGER_STATS_GLOBAL_INFO
         success = populateGlobalAtom(pulledData);
@@ -448,6 +459,7 @@ void TimeStats::flushAvailableRecordsToStatsLocked(int32_t layerId, Fps displayR
 
     LayerRecord& layerRecord = mTimeStatsTracker[layerId];
     TimeRecord& prevTimeRecord = layerRecord.prevTimeRecord;
+    std::optional<int32_t>& prevPresentToPresentMs = layerRecord.prevPresentToPresentMs;
     std::deque<TimeRecord>& timeRecords = layerRecord.timeRecords;
     const int32_t refreshRateBucket =
             clampToNearestBucket(displayRefreshRate, REFRESH_RATE_BUCKET_WIDTH);
@@ -525,6 +537,12 @@ void TimeStats::flushAvailableRecordsToStatsLocked(int32_t layerId, Fps displayR
             ALOGV("[%d]-[%" PRIu64 "]-present2present[%d]", layerId,
                   timeRecords[0].frameTime.frameNumber, presentToPresentMs);
             timeStatsLayer.deltas["present2present"].insert(presentToPresentMs);
+            if (prevPresentToPresentMs) {
+                const int32_t presentToPresentDeltaMs =
+                        std::abs(presentToPresentMs - *prevPresentToPresentMs);
+                timeStatsLayer.deltas["present2presentDelta"].insert(presentToPresentDeltaMs);
+            }
+            prevPresentToPresentMs = presentToPresentMs;
         }
         prevTimeRecord = timeRecords[0];
         timeRecords.pop_front();
diff --git a/services/surfaceflinger/TimeStats/TimeStats.h b/services/surfaceflinger/TimeStats/TimeStats.h
index 7a159b8eb7..5f586577ac 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.h
+++ b/services/surfaceflinger/TimeStats/TimeStats.h
@@ -34,6 +34,8 @@
 
 #include <scheduler/Fps.h>
 
+using android::gui::GameMode;
+using android::gui::LayerMetadata;
 using namespace android::surfaceflinger;
 
 namespace android {
@@ -45,7 +47,7 @@ public:
     virtual ~TimeStats() = default;
 
     // Process a pull request from statsd.
-    virtual bool onPullAtom(const int atomId, std::string* pulledData) = 0;
+    virtual bool onPullAtom(const int atomId, std::vector<uint8_t>* pulledData) = 0;
 
     virtual void parseArgs(bool asProto, const Vector<String16>& args, std::string& result) = 0;
     virtual bool isEnabled() = 0;
@@ -217,6 +219,7 @@ class TimeStats : public android::TimeStats {
         uint32_t lateAcquireFrames = 0;
         uint32_t badDesiredPresentFrames = 0;
         TimeRecord prevTimeRecord;
+        std::optional<int32_t> prevPresentToPresentMs;
         std::deque<TimeRecord> timeRecords;
     };
 
@@ -242,7 +245,7 @@ public:
     TimeStats(std::optional<size_t> maxPulledLayers,
               std::optional<size_t> maxPulledHistogramBuckets);
 
-    bool onPullAtom(const int atomId, std::string* pulledData) override;
+    bool onPullAtom(const int atomId, std::vector<uint8_t>* pulledData) override;
     void parseArgs(bool asProto, const Vector<String16>& args, std::string& result) override;
     bool isEnabled() override;
     std::string miniDump() override;
@@ -290,8 +293,8 @@ public:
     static const size_t MAX_NUM_TIME_RECORDS = 64;
 
 private:
-    bool populateGlobalAtom(std::string* pulledData);
-    bool populateLayerAtom(std::string* pulledData);
+    bool populateGlobalAtom(std::vector<uint8_t>* pulledData);
+    bool populateLayerAtom(std::vector<uint8_t>* pulledData);
     bool recordReadyLocked(int32_t layerId, TimeRecord* timeRecord);
     void flushAvailableRecordsToStatsLocked(int32_t layerId, Fps displayRefreshRate,
                                             std::optional<Fps> renderRate, SetFrameRateVote,
diff --git a/services/surfaceflinger/TimeStats/timestatsatomsproto/timestats_atoms.proto b/services/surfaceflinger/TimeStats/timestatsatomsproto/timestats_atoms.proto
index e45757ddfd..8615947db5 100644
--- a/services/surfaceflinger/TimeStats/timestatsatomsproto/timestats_atoms.proto
+++ b/services/surfaceflinger/TimeStats/timestatsatomsproto/timestats_atoms.proto
@@ -173,6 +173,7 @@ message SurfaceflingerStatsLayerInfo {
          GAME_MODE_STANDARD = 2;
          GAME_MODE_PERFORMANCE = 3;
          GAME_MODE_BATTERY = 4;
+         GAME_MODE_CUSTOM = 5;
     }
 
     // Game mode that the layer was running at. Used to track user engagement
@@ -288,7 +289,11 @@ message SurfaceflingerStatsLayerInfo {
     // Introduced in Android 12.
     optional FrameTimingHistogram app_deadline_misses = 25;
 
-    // Next ID: 27
+    // Variability histogram of present_to_present timings.
+    // Introduced in Android 14.
+    optional FrameTimingHistogram present_to_present_delta = 27;
+
+    // Next ID: 28
 }
 
 /**
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
index 237ae8d761..60aa810e8b 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
+++ b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
@@ -24,6 +24,9 @@
 #include <unordered_map>
 #include <vector>
 
+using android::gui::GameMode;
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace surfaceflinger {
 
diff --git a/services/surfaceflinger/Tracing/LayerTracing.cpp b/services/surfaceflinger/Tracing/LayerTracing.cpp
index 49554c7dd8..566d55353f 100644
--- a/services/surfaceflinger/Tracing/LayerTracing.cpp
+++ b/services/surfaceflinger/Tracing/LayerTracing.cpp
@@ -89,6 +89,9 @@ LayersTraceFileProto LayerTracing::createTraceFileProto() const {
     LayersTraceFileProto fileProto;
     fileProto.set_magic_number(uint64_t(LayersTraceFileProto_MagicNumber_MAGIC_NUMBER_H) << 32 |
                                LayersTraceFileProto_MagicNumber_MAGIC_NUMBER_L);
+    auto timeOffsetNs = static_cast<std::uint64_t>(systemTime(SYSTEM_TIME_REALTIME) -
+                                                   systemTime(SYSTEM_TIME_MONOTONIC));
+    fileProto.set_real_to_elapsed_time_offset_nanos(timeOffsetNs);
     return fileProto;
 }
 
@@ -98,7 +101,7 @@ void LayerTracing::dump(std::string& result) const {
     mBuffer->dump(result);
 }
 
-void LayerTracing::notify(bool visibleRegionDirty, int64_t time) {
+void LayerTracing::notify(bool visibleRegionDirty, int64_t time, int64_t vsyncId) {
     std::scoped_lock lock(mTraceLock);
     if (!mEnabled) {
         return;
@@ -129,6 +132,7 @@ void LayerTracing::notify(bool visibleRegionDirty, int64_t time) {
         entry.set_excludes_composition_state(true);
     }
     mFlinger.dumpDisplayProto(entry);
+    entry.set_vsync_id(vsyncId);
     mBuffer->emplace(std::move(entry));
 }
 
diff --git a/services/surfaceflinger/Tracing/LayerTracing.h b/services/surfaceflinger/Tracing/LayerTracing.h
index 88a19ecdf1..b32001cc63 100644
--- a/services/surfaceflinger/Tracing/LayerTracing.h
+++ b/services/surfaceflinger/Tracing/LayerTracing.h
@@ -47,7 +47,7 @@ public:
     bool isEnabled() const;
     status_t writeToFile();
     LayersTraceFileProto createTraceFileProto() const;
-    void notify(bool visibleRegionDirty, int64_t time);
+    void notify(bool visibleRegionDirty, int64_t time, int64_t vsyncId);
 
     enum : uint32_t {
         TRACE_INPUT = 1 << 1,
@@ -55,6 +55,7 @@ public:
         TRACE_EXTRA = 1 << 3,
         TRACE_HWC = 1 << 4,
         TRACE_BUFFERS = 1 << 5,
+        TRACE_VIRTUAL_DISPLAYS = 1 << 6,
         TRACE_ALL = TRACE_INPUT | TRACE_COMPOSITION | TRACE_EXTRA,
     };
     void setTraceFlags(uint32_t flags);
diff --git a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
index a73eccf0e5..2f464873ea 100644
--- a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
+++ b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <gui/SurfaceComposerClient.h>
+#include <ui/Fence.h>
 #include <ui/Rect.h>
 
 #include "LayerProtoHelper.h"
@@ -87,10 +88,7 @@ proto::LayerState TransactionProtoParser::toProto(const layer_state_t& layer) {
     if (layer.what & layer_state_t::eLayerChanged) {
         proto.set_z(layer.z);
     }
-    if (layer.what & layer_state_t::eSizeChanged) {
-        proto.set_w(layer.w);
-        proto.set_h(layer.h);
-    }
+
     if (layer.what & layer_state_t::eLayerStackChanged) {
         proto.set_layer_stack(layer.layerStack.id);
     }
@@ -113,7 +111,7 @@ proto::LayerState TransactionProtoParser::toProto(const layer_state_t& layer) {
     }
 
     if (layer.what & layer_state_t::eAlphaChanged) {
-        proto.set_alpha(layer.alpha);
+        proto.set_alpha(layer.color.a);
     }
 
     if (layer.what & layer_state_t::eColorChanged) {
@@ -125,8 +123,8 @@ proto::LayerState TransactionProtoParser::toProto(const layer_state_t& layer) {
     if (layer.what & layer_state_t::eTransparentRegionChanged) {
         LayerProtoHelper::writeToProto(layer.transparentRegion, proto.mutable_transparent_region());
     }
-    if (layer.what & layer_state_t::eTransformChanged) {
-        proto.set_transform(layer.transform);
+    if (layer.what & layer_state_t::eBufferTransformChanged) {
+        proto.set_transform(layer.bufferTransform);
     }
     if (layer.what & layer_state_t::eTransformToDisplayInverseChanged) {
         proto.set_transform_to_display_inverse(layer.transformToDisplayInverse);
@@ -312,10 +310,10 @@ TransactionState TransactionProtoParser::fromProto(const proto::TransactionState
     int32_t layerCount = proto.layer_changes_size();
     t.states.reserve(static_cast<size_t>(layerCount));
     for (int i = 0; i < layerCount; i++) {
-        ComposerState s;
+        ResolvedComposerState s;
         s.state.what = 0;
         fromProto(proto.layer_changes(i), s.state);
-        t.states.add(s);
+        t.states.emplace_back(s);
     }
 
     int32_t displayCount = proto.display_changes_size();
@@ -375,10 +373,6 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
     if (proto.what() & layer_state_t::eLayerChanged) {
         layer.z = proto.z();
     }
-    if (proto.what() & layer_state_t::eSizeChanged) {
-        layer.w = proto.w();
-        layer.h = proto.h();
-    }
     if (proto.what() & layer_state_t::eLayerStackChanged) {
         layer.layerStack.id = proto.layer_stack();
     }
@@ -401,7 +395,7 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
     }
 
     if (proto.what() & layer_state_t::eAlphaChanged) {
-        layer.alpha = proto.alpha();
+        layer.color.a = proto.alpha();
     }
 
     if (proto.what() & layer_state_t::eColorChanged) {
@@ -413,8 +407,8 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
     if (proto.what() & layer_state_t::eTransparentRegionChanged) {
         LayerProtoHelper::readFromProto(proto.transparent_region(), layer.transparentRegion);
     }
-    if (proto.what() & layer_state_t::eTransformChanged) {
-        layer.transform = proto.transform();
+    if (proto.what() & layer_state_t::eBufferTransformChanged) {
+        layer.bufferTransform = proto.transform();
     }
     if (proto.what() & layer_state_t::eTransformToDisplayInverseChanged) {
         layer.transformToDisplayInverse = proto.transform_to_display_inverse();
@@ -456,9 +450,9 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
             layer.parentSurfaceControlForChild = nullptr;
         } else {
             layer.parentSurfaceControlForChild =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(),
-                                       mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
-                                       nullptr, static_cast<int32_t>(layerId));
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
+                                             static_cast<int32_t>(layerId), "");
         }
     }
     if (proto.what() & layer_state_t::eRelativeLayerChanged) {
@@ -467,9 +461,9 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
             layer.relativeLayerSurfaceControl = nullptr;
         } else {
             layer.relativeLayerSurfaceControl =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(),
-                                       mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
-                                       nullptr, static_cast<int32_t>(layerId));
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
+                                             static_cast<int32_t>(layerId), "");
         }
         layer.z = proto.z();
     }
@@ -497,8 +491,13 @@ void TransactionProtoParser::fromProto(const proto::LayerState& proto, layer_sta
         inputInfo.replaceTouchableRegionWithCrop =
                 windowInfoProto.replace_touchable_region_with_crop();
         int64_t layerId = windowInfoProto.crop_layer_id();
-        inputInfo.touchableRegionCropHandle =
-                mMapper->getLayerHandle(static_cast<int32_t>(layerId));
+        if (layerId != -1) {
+            inputInfo.touchableRegionCropHandle =
+                    mMapper->getLayerHandle(static_cast<int32_t>(layerId));
+        } else {
+            inputInfo.touchableRegionCropHandle = wp<IBinder>();
+        }
+
         layer.windowInfoHandle = sp<gui::WindowInfoHandle>::make(inputInfo);
     }
     if (proto.what() & layer_state_t::eBackgroundColorChanged) {
diff --git a/services/surfaceflinger/Tracing/TransactionProtoParser.h b/services/surfaceflinger/Tracing/TransactionProtoParser.h
index 872a901b21..2232bb9cb1 100644
--- a/services/surfaceflinger/Tracing/TransactionProtoParser.h
+++ b/services/surfaceflinger/Tracing/TransactionProtoParser.h
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include <gui/fake/BufferData.h>
 #include <layerproto/TransactionProto.h>
 #include <utils/RefBase.h>
 
@@ -43,35 +44,6 @@ struct TracingLayerState : layer_state_t {
     TracingLayerCreationArgs args;
 };
 
-// Class which exposes buffer properties from BufferData without holding on to the actual buffer
-// handle.
-class BufferDataStub : public BufferData {
-public:
-    BufferDataStub(uint64_t bufferId, uint32_t width, uint32_t height, int32_t pixelFormat,
-                   uint64_t outUsage)
-          : mBufferId(bufferId),
-            mWidth(width),
-            mHeight(height),
-            mPixelFormat(pixelFormat),
-            mOutUsage(outUsage) {}
-    bool hasBuffer() const override { return mBufferId != 0; }
-    bool hasSameBuffer(const BufferData& other) const override {
-        return getId() == other.getId() && frameNumber == other.frameNumber;
-    }
-    uint32_t getWidth() const override { return mWidth; }
-    uint32_t getHeight() const override { return mHeight; }
-    uint64_t getId() const override { return mBufferId; }
-    PixelFormat getPixelFormat() const override { return mPixelFormat; }
-    uint64_t getUsage() const override { return mOutUsage; }
-
-private:
-    uint64_t mBufferId;
-    uint32_t mWidth;
-    uint32_t mHeight;
-    int32_t mPixelFormat;
-    uint64_t mOutUsage;
-};
-
 class TransactionProtoParser {
 public:
     // Utility class to map handles to ids and buffers to buffer properties without pulling
@@ -87,7 +59,7 @@ public:
         virtual std::shared_ptr<BufferData> getGraphicData(uint64_t bufferId, uint32_t width,
                                                            uint32_t height, int32_t pixelFormat,
                                                            uint64_t usage) const {
-            return std::make_shared<BufferDataStub>(bufferId, width, height, pixelFormat, usage);
+            return std::make_shared<fake::BufferData>(bufferId, width, height, pixelFormat, usage);
         }
         virtual void getGraphicBufferPropertiesFromCache(client_cache_t /* cachedBuffer */,
                                                          uint64_t* /* outBufferId */,
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.cpp b/services/surfaceflinger/Tracing/TransactionTracing.cpp
index 6381758c7b..cb5320b88c 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.cpp
+++ b/services/surfaceflinger/Tracing/TransactionTracing.cpp
@@ -134,6 +134,9 @@ proto::TransactionTraceFile TransactionTracing::createTraceFileProto() const {
     proto::TransactionTraceFile proto;
     proto.set_magic_number(uint64_t(proto::TransactionTraceFile_MagicNumber_MAGIC_NUMBER_H) << 32 |
                            proto::TransactionTraceFile_MagicNumber_MAGIC_NUMBER_L);
+    auto timeOffsetNs = static_cast<std::uint64_t>(systemTime(SYSTEM_TIME_REALTIME) -
+                                                   systemTime(SYSTEM_TIME_MONOTONIC));
+    proto.set_real_to_elapsed_time_offset_nanos(timeOffsetNs);
     return proto;
 }
 
@@ -152,17 +155,33 @@ void TransactionTracing::addQueuedTransaction(const TransactionState& transactio
     mTransactionQueue.push(state);
 }
 
-void TransactionTracing::addCommittedTransactions(std::vector<TransactionState>& transactions,
-                                                  int64_t vsyncId) {
+TransactionTracing::CommittedTransactions&
+TransactionTracing::findOrCreateCommittedTransactionRecord(int64_t vsyncId) {
+    for (auto& pendingTransaction : mPendingTransactions) {
+        if (pendingTransaction.vsyncId == vsyncId) {
+            return pendingTransaction;
+        }
+    }
+
     CommittedTransactions committedTransactions;
     committedTransactions.vsyncId = vsyncId;
     committedTransactions.timestamp = systemTime();
+    mPendingTransactions.emplace_back(committedTransactions);
+    return mPendingTransactions.back();
+}
+
+void TransactionTracing::onLayerAddedToDrawingState(int layerId, int64_t vsyncId) {
+    CommittedTransactions& committedTransactions = findOrCreateCommittedTransactionRecord(vsyncId);
+    committedTransactions.createdLayerIds.emplace_back(layerId);
+}
+
+void TransactionTracing::addCommittedTransactions(std::vector<TransactionState>& transactions,
+                                                  int64_t vsyncId) {
+    CommittedTransactions& committedTransactions = findOrCreateCommittedTransactionRecord(vsyncId);
     committedTransactions.transactionIds.reserve(transactions.size());
     for (const auto& transaction : transactions) {
         committedTransactions.transactionIds.emplace_back(transaction.id);
     }
-
-    mPendingTransactions.emplace_back(committedTransactions);
     tryPushToTracingThread();
 }
 
@@ -235,15 +254,24 @@ void TransactionTracing::addEntry(const std::vector<CommittedTransactions>& comm
     for (const CommittedTransactions& entry : committedTransactions) {
         entryProto.set_elapsed_realtime_nanos(entry.timestamp);
         entryProto.set_vsync_id(entry.vsyncId);
-        entryProto.mutable_added_layers()->Reserve(static_cast<int32_t>(mCreatedLayers.size()));
-        for (auto& newLayer : mCreatedLayers) {
-            entryProto.mutable_added_layers()->Add(std::move(newLayer));
+        entryProto.mutable_added_layers()->Reserve(
+                static_cast<int32_t>(entry.createdLayerIds.size()));
+
+        for (const int32_t& id : entry.createdLayerIds) {
+            auto it = mCreatedLayers.find(id);
+            if (it != mCreatedLayers.end()) {
+                entryProto.mutable_added_layers()->Add(std::move(it->second));
+                mCreatedLayers.erase(it);
+            } else {
+                ALOGW("Could not created layer with id %d", id);
+            }
         }
+
         entryProto.mutable_removed_layers()->Reserve(static_cast<int32_t>(removedLayers.size()));
         for (auto& removedLayer : removedLayers) {
             entryProto.mutable_removed_layers()->Add(removedLayer);
+            mCreatedLayers.erase(removedLayer);
         }
-        mCreatedLayers.clear();
         entryProto.mutable_transactions()->Reserve(
                 static_cast<int32_t>(entry.transactionIds.size()));
         for (const uint64_t& id : entry.transactionIds) {
@@ -256,6 +284,14 @@ void TransactionTracing::addEntry(const std::vector<CommittedTransactions>& comm
             }
         }
 
+        entryProto.mutable_removed_layer_handles()->Reserve(
+                static_cast<int32_t>(mRemovedLayerHandles.size()));
+        for (auto& [handle, layerId] : mRemovedLayerHandles) {
+            entryProto.mutable_removed_layer_handles()->Add(layerId);
+            mLayerHandles.erase(handle);
+        }
+        mRemovedLayerHandles.clear();
+
         std::string serializedProto;
         entryProto.SerializeToString(&serializedProto);
         entryProto.Clear();
@@ -263,13 +299,6 @@ void TransactionTracing::addEntry(const std::vector<CommittedTransactions>& comm
         removedEntries.reserve(removedEntries.size() + entries.size());
         removedEntries.insert(removedEntries.end(), std::make_move_iterator(entries.begin()),
                               std::make_move_iterator(entries.end()));
-
-        entryProto.mutable_removed_layer_handles()->Reserve(
-                static_cast<int32_t>(mRemovedLayerHandles.size()));
-        for (auto& handle : mRemovedLayerHandles) {
-            entryProto.mutable_removed_layer_handles()->Add(handle);
-        }
-        mRemovedLayerHandles.clear();
     }
 
     proto::TransactionTraceEntry removedEntryProto;
@@ -304,7 +333,7 @@ void TransactionTracing::onLayerAdded(BBinder* layerHandle, int layerId, const s
         ALOGW("Duplicate handles found. %p", layerHandle);
     }
     mLayerHandles[layerHandle] = layerId;
-    mCreatedLayers.push_back(mProtoParser.toProto(args));
+    mCreatedLayers[layerId] = mProtoParser.toProto(args);
 }
 
 void TransactionTracing::onMirrorLayerAdded(BBinder* layerHandle, int layerId,
@@ -315,7 +344,7 @@ void TransactionTracing::onMirrorLayerAdded(BBinder* layerHandle, int layerId,
         ALOGW("Duplicate handles found. %p", layerHandle);
     }
     mLayerHandles[layerHandle] = layerId;
-    mCreatedLayers.emplace_back(mProtoParser.toProto(args));
+    mCreatedLayers[layerId] = mProtoParser.toProto(args);
 }
 
 void TransactionTracing::onLayerRemoved(int32_t layerId) {
@@ -330,9 +359,7 @@ void TransactionTracing::onHandleRemoved(BBinder* layerHandle) {
         ALOGW("handle not found. %p", layerHandle);
         return;
     }
-
-    mRemovedLayerHandles.push_back(it->second);
-    mLayerHandles.erase(it);
+    mRemovedLayerHandles.emplace_back(layerHandle, it->second);
 }
 
 void TransactionTracing::tryPushToTracingThread() {
@@ -376,10 +403,15 @@ void TransactionTracing::updateStartingStateLocked(
         }
     }
 
+    for (const int32_t removedLayerHandleId : removedEntry.removed_layer_handles()) {
+        mRemovedLayerHandlesAtStart.insert(removedLayerHandleId);
+    }
+
     // Clean up stale starting states since the layer has been removed and the buffer does not
     // contain any references to the layer.
     for (const int32_t removedLayerId : removedEntry.removed_layers()) {
         mStartingStates.erase(removedLayerId);
+        mRemovedLayerHandlesAtStart.erase(removedLayerId);
     }
 }
 
@@ -401,6 +433,12 @@ void TransactionTracing::addStartingStateToProtoLocked(proto::TransactionTraceFi
     transactionProto.set_vsync_id(0);
     transactionProto.set_post_time(mStartingTimestamp);
     entryProto->mutable_transactions()->Add(std::move(transactionProto));
+
+    entryProto->mutable_removed_layer_handles()->Reserve(
+            static_cast<int32_t>(mRemovedLayerHandlesAtStart.size()));
+    for (const int32_t removedLayerHandleId : mRemovedLayerHandlesAtStart) {
+        entryProto->mutable_removed_layer_handles()->Add(removedLayerHandleId);
+    }
 }
 
 proto::TransactionTraceFile TransactionTracing::writeToProto() {
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.h b/services/surfaceflinger/Tracing/TransactionTracing.h
index 4c291f960f..ae01d3c0cc 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.h
+++ b/services/surfaceflinger/Tracing/TransactionTracing.h
@@ -64,6 +64,7 @@ public:
                             int mirrorFromId);
     void onLayerRemoved(int layerId);
     void onHandleRemoved(BBinder* layerHandle);
+    void onLayerAddedToDrawingState(int layerId, int64_t vsyncId);
     void dump(std::string&) const;
     static constexpr auto CONTINUOUS_TRACING_BUFFER_SIZE = 512 * 1024;
     static constexpr auto ACTIVE_TRACING_BUFFER_SIZE = 100 * 1024 * 1024;
@@ -81,11 +82,13 @@ private:
             GUARDED_BY(mTraceLock);
     LocklessStack<proto::TransactionState> mTransactionQueue;
     nsecs_t mStartingTimestamp GUARDED_BY(mTraceLock);
-    std::vector<proto::LayerCreationArgs> mCreatedLayers GUARDED_BY(mTraceLock);
+    std::unordered_map<int, proto::LayerCreationArgs> mCreatedLayers GUARDED_BY(mTraceLock);
     std::unordered_map<BBinder* /* layerHandle */, int32_t /* layerId */> mLayerHandles
             GUARDED_BY(mTraceLock);
-    std::vector<int32_t /* layerId */> mRemovedLayerHandles GUARDED_BY(mTraceLock);
+    std::vector<std::pair<BBinder* /* layerHandle */, int32_t /* layerId */>> mRemovedLayerHandles
+            GUARDED_BY(mTraceLock);
     std::map<int32_t /* layerId */, TracingLayerState> mStartingStates GUARDED_BY(mTraceLock);
+    std::set<int32_t /* layerId */> mRemovedLayerHandlesAtStart GUARDED_BY(mTraceLock);
     TransactionProtoParser mProtoParser GUARDED_BY(mTraceLock);
     // Parses the transaction to proto without holding any tracing locks so we can generate proto
     // in the binder thread without any contention.
@@ -100,6 +103,7 @@ private:
     std::condition_variable mTransactionsAddedToBufferCv;
     struct CommittedTransactions {
         std::vector<uint64_t> transactionIds;
+        std::vector<int32_t> createdLayerIds;
         int64_t vsyncId;
         int64_t timestamp;
     };
@@ -117,7 +121,7 @@ private:
     void tryPushToTracingThread() EXCLUDES(mMainThreadLock);
     void addStartingStateToProtoLocked(proto::TransactionTraceFile& proto) REQUIRES(mTraceLock);
     void updateStartingStateLocked(const proto::TransactionTraceEntry& entry) REQUIRES(mTraceLock);
-
+    CommittedTransactions& findOrCreateCommittedTransactionRecord(int64_t vsyncId);
     // TEST
     // Wait until all the committed transactions for the specified vsync id are added to the buffer.
     void flush(int64_t vsyncId) EXCLUDES(mMainThreadLock);
diff --git a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
index cf44effe50..f1a6c0e2fa 100644
--- a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
+++ b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
@@ -16,6 +16,7 @@
 
 #undef LOG_TAG
 #define LOG_TAG "LayerTraceGenerator"
+//#define LOG_NDEBUG 0
 
 #include <TestableSurfaceFlinger.h>
 #include <Tracing/TransactionProtoParser.h>
@@ -46,43 +47,26 @@ public:
         return std::make_unique<scheduler::FakePhaseOffsets>();
     }
 
-    sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
-    }
-
     sp<StartPropertySetThread> createStartPropertySetThread(
             bool /* timestampPropertyValue */) override {
-        return nullptr;
+        return sp<StartPropertySetThread>();
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs& /* creationArgs */) override {
-        return nullptr;
+        return sp<DisplayDevice>();
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t /* width */, uint32_t /* height */,
                                           PixelFormat /* format */, uint32_t /* layerCount */,
                                           uint64_t /* usage */,
                                           std::string /* requestorName */) override {
-        return nullptr;
+        return sp<GraphicBuffer>();
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer>* /* outProducer */,
                            sp<IGraphicBufferConsumer>* /* outConsumer */,
                            bool /* consumerIsSurfaceFlinger */) override {}
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(
-            const sp<IGraphicBufferProducer>& /* producer */,
-            const sp<SurfaceFlinger>& /* flinger */, const wp<Layer>& /* layer */) override {
-        return nullptr;
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(
-            const sp<IGraphicBufferConsumer>& /* consumer */,
-            renderengine::RenderEngine& /* renderEngine */, uint32_t /* textureName */,
-            Layer* /* layer */) override {
-        return nullptr;
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>& /* producer */) override {
         return nullptr;
@@ -92,21 +76,13 @@ public:
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) {
-        return sp<ContainerLayer>::make(args);
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) {
+        return sp<Layer>::make(args);
     }
 
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) {
-        return new BufferStateLayer(args);
-    }
+    sp<Layer> createEffectLayer(const LayerCreationArgs& args) { return sp<Layer>::make(args); }
 
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) {
-        return new EffectLayer(args);
-    }
-
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
+    sp<LayerFE> createLayerFE(const std::string& layerName) { return sp<LayerFE>::make(layerName); }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
         return std::make_unique<testing::NiceMock<mock::FrameTracer>>();
@@ -124,7 +100,8 @@ public:
     MockSurfaceFlinger(Factory& factory)
           : SurfaceFlinger(factory, SurfaceFlinger::SkipInitialization) {}
     std::shared_ptr<renderengine::ExternalTexture> getExternalTextureFromBufferData(
-            const BufferData& bufferData, const char* /* layerName */) const override {
+            BufferData& bufferData, const char* /* layerName */,
+            uint64_t /* transactionId */) override {
         return std::make_shared<renderengine::mock::FakeExternalTexture>(bufferData.getWidth(),
                                                                          bufferData.getHeight(),
                                                                          bufferData.getId(),
@@ -142,6 +119,14 @@ public:
         transact(1033, data, &reply, 0 /* flags */);
     }
 
+    void setLayerTraceSize(int32_t sizeInKb) {
+        Parcel data;
+        Parcel reply;
+        data.writeInterfaceToken(String16("android.ui.ISurfaceComposer"));
+        data.writeInt32(sizeInKb);
+        transact(1029, data, &reply, 0 /* flags */);
+    }
+
     void startLayerTracing(int64_t traceStartTime) {
         Parcel data;
         Parcel reply;
@@ -181,11 +166,12 @@ public:
 bool LayerTraceGenerator::generate(const proto::TransactionTraceFile& traceFile,
                                    const char* outputLayersTracePath) {
     if (traceFile.entry_size() == 0) {
+        ALOGD("Trace file is empty");
         return false;
     }
 
     Factory mFactory;
-    sp<MockSurfaceFlinger> flinger = new MockSurfaceFlinger(mFactory);
+    sp<MockSurfaceFlinger> flinger = sp<MockSurfaceFlinger>::make(mFactory);
     TestableSurfaceFlinger mFlinger(flinger);
     mFlinger.setupRenderEngine(
             std::make_unique<testing::NiceMock<renderengine::mock::RenderEngine>>());
@@ -205,32 +191,31 @@ bool LayerTraceGenerator::generate(const proto::TransactionTraceFile& traceFile,
     mFlinger.mutableMaxRenderTargetSize() = 16384;
 
     flinger->setLayerTracingFlags(LayerTracing::TRACE_INPUT | LayerTracing::TRACE_BUFFERS);
+    flinger->setLayerTraceSize(512 * 1024); // 512MB buffer size
     flinger->startLayerTracing(traceFile.entry(0).elapsed_realtime_nanos());
     std::unique_ptr<TraceGenFlingerDataMapper> mapper =
             std::make_unique<TraceGenFlingerDataMapper>();
     TraceGenFlingerDataMapper* dataMapper = mapper.get();
     TransactionProtoParser parser(std::move(mapper));
 
-    nsecs_t frameTime;
-    int64_t vsyncId;
     ALOGD("Generating %d transactions...", traceFile.entry_size());
     for (int i = 0; i < traceFile.entry_size(); i++) {
         proto::TransactionTraceEntry entry = traceFile.entry(i);
         ALOGV("    Entry %04d/%04d for time=%" PRId64 " vsyncid=%" PRId64
-              " layers +%d -%d transactions=%d",
+              " layers +%d -%d handles -%d transactions=%d",
               i, traceFile.entry_size(), entry.elapsed_realtime_nanos(), entry.vsync_id(),
-              entry.added_layers_size(), entry.removed_layers_size(), entry.transactions_size());
+              entry.added_layers_size(), entry.removed_layers_size(),
+              entry.removed_layer_handles_size(), entry.transactions_size());
 
         for (int j = 0; j < entry.added_layers_size(); j++) {
             // create layers
             TracingLayerCreationArgs tracingArgs;
             parser.fromProto(entry.added_layers(j), tracingArgs);
 
-            sp<IBinder> outHandle;
-            int32_t outLayerId;
+            gui::CreateSurfaceResult outResult;
             LayerCreationArgs args(mFlinger.flinger(), nullptr /* client */, tracingArgs.name,
-                                   tracingArgs.flags, LayerMetadata());
-            args.sequence = std::make_optional<int32_t>(tracingArgs.layerId);
+                                   tracingArgs.flags, LayerMetadata(),
+                                   std::make_optional<int32_t>(tracingArgs.layerId));
 
             if (tracingArgs.mirrorFromId == -1) {
                 sp<IBinder> parentHandle = nullptr;
@@ -238,40 +223,33 @@ bool LayerTraceGenerator::generate(const proto::TransactionTraceFile& traceFile,
                     (dataMapper->mLayerHandles.find(tracingArgs.parentId) ==
                      dataMapper->mLayerHandles.end())) {
                     args.addToRoot = false;
-                } else {
+                } else if (tracingArgs.parentId != -1) {
                     parentHandle = dataMapper->getLayerHandle(tracingArgs.parentId);
                 }
-                mFlinger.createLayer(args, &outHandle, parentHandle, &outLayerId,
-                                     nullptr /* parentLayer */, nullptr /* outTransformHint */);
+                mFlinger.createLayer(args, parentHandle, outResult);
             } else {
                 sp<IBinder> mirrorFromHandle = dataMapper->getLayerHandle(tracingArgs.mirrorFromId);
-                mFlinger.mirrorLayer(args, mirrorFromHandle, &outHandle, &outLayerId);
+                mFlinger.mirrorLayer(args, mirrorFromHandle, outResult);
             }
-            LOG_ALWAYS_FATAL_IF(outLayerId != tracingArgs.layerId,
+            LOG_ALWAYS_FATAL_IF(outResult.layerId != tracingArgs.layerId,
                                 "Could not create layer expected:%d actual:%d", tracingArgs.layerId,
-                                outLayerId);
-            dataMapper->mLayerHandles[tracingArgs.layerId] = outHandle;
+                                outResult.layerId);
+            dataMapper->mLayerHandles[tracingArgs.layerId] = outResult.handle;
         }
 
         for (int j = 0; j < entry.transactions_size(); j++) {
             // apply transactions
             TransactionState transaction = parser.fromProto(entry.transactions(j));
-            mFlinger.setTransactionState(transaction.frameTimelineInfo, transaction.states,
-                                         transaction.displays, transaction.flags,
-                                         transaction.applyToken, transaction.inputWindowCommands,
-                                         transaction.desiredPresentTime,
-                                         transaction.isAutoTimestamp, {},
-                                         transaction.hasListenerCallbacks,
-                                         transaction.listenerCallbacks, transaction.id);
+            mFlinger.setTransactionStateInternal(transaction);
         }
 
+        const auto frameTime = TimePoint::fromNs(entry.elapsed_realtime_nanos());
+        const auto vsyncId = VsyncId{entry.vsync_id()};
+        mFlinger.commit(frameTime, vsyncId);
+
         for (int j = 0; j < entry.removed_layer_handles_size(); j++) {
             dataMapper->mLayerHandles.erase(entry.removed_layer_handles(j));
         }
-
-        frameTime = entry.elapsed_realtime_nanos();
-        vsyncId = entry.vsync_id();
-        mFlinger.commit(frameTime, vsyncId);
     }
 
     flinger->stopLayerTracing(outputLayersTracePath);
@@ -280,4 +258,4 @@ bool LayerTraceGenerator::generate(const proto::TransactionTraceFile& traceFile,
     return true;
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/Tracing/tools/main.cpp b/services/surfaceflinger/Tracing/tools/main.cpp
index f3cf42d7ab..9f9ae4815b 100644
--- a/services/surfaceflinger/Tracing/tools/main.cpp
+++ b/services/surfaceflinger/Tracing/tools/main.cpp
@@ -52,6 +52,10 @@ int main(int argc, char** argv) {
     ;
     ALOGD("Generating %s...", outputLayersTracePath);
     std::cout << "Generating " << outputLayersTracePath << "\n";
+
+    // sink any log spam from the stubbed surfaceflinger
+    __android_log_set_logger([](const struct __android_log_message* /* log_message */) {});
+
     if (!LayerTraceGenerator().generate(transactionTraceFile, outputLayersTracePath)) {
         std::cout << "Error: Failed to generate layers trace " << outputLayersTracePath;
         return -1;
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.cpp b/services/surfaceflinger/TransactionCallbackInvoker.cpp
index d2c2e29a2f..e5de7591ef 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.cpp
+++ b/services/surfaceflinger/TransactionCallbackInvoker.cpp
@@ -178,8 +178,8 @@ status_t TransactionCallbackInvoker::addCallbackHandle(const sp<CallbackHandle>&
     return NO_ERROR;
 }
 
-void TransactionCallbackInvoker::addPresentFence(const sp<Fence>& presentFence) {
-    mPresentFence = presentFence;
+void TransactionCallbackInvoker::addPresentFence(sp<Fence> presentFence) {
+    mPresentFence = std::move(presentFence);
 }
 
 void TransactionCallbackInvoker::sendCallbacks(bool onCommitOnly) {
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.h b/services/surfaceflinger/TransactionCallbackInvoker.h
index 81d79f0777..c09bcce067 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.h
+++ b/services/surfaceflinger/TransactionCallbackInvoker.h
@@ -19,20 +19,34 @@
 #include <condition_variable>
 #include <deque>
 #include <mutex>
+#include <optional>
 #include <queue>
 #include <thread>
 #include <unordered_map>
 #include <unordered_set>
 
 #include <android-base/thread_annotations.h>
+#include <android/gui/ITransactionCompletedListener.h>
+
 #include <binder/IBinder.h>
-#include <compositionengine/FenceResult.h>
-#include <ftl/future.h>
-#include <gui/ITransactionCompletedListener.h>
+#include <gui/ListenerStats.h>
+#include <gui/ReleaseCallbackId.h>
+#include <renderengine/RenderEngine.h>
 #include <ui/Fence.h>
+#include <ui/FenceResult.h>
 
 namespace android {
 
+using gui::CallbackId;
+using gui::FrameEventHistoryStats;
+using gui::IListenerHash;
+using gui::ITransactionCompletedListener;
+using gui::JankData;
+using gui::ListenerCallbacks;
+using gui::ListenerStats;
+using gui::ReleaseCallbackId;
+using gui::TransactionStats;
+
 class CallbackHandle : public RefBase {
 public:
     CallbackHandle(const sp<IBinder>& transactionListener, const std::vector<CallbackId>& ids,
@@ -48,7 +62,7 @@ public:
     std::vector<ftl::SharedFuture<FenceResult>> previousReleaseFences;
     std::variant<nsecs_t, sp<Fence>> acquireTimeOrFence = -1;
     nsecs_t latchTime = -1;
-    uint32_t transformHint = 0;
+    std::optional<uint32_t> transformHint = std::nullopt;
     uint32_t currentMaxAcquiredBufferCount = 0;
     std::shared_ptr<FenceTime> gpuCompositionDoneFence{FenceTime::NO_FENCE};
     CompositorTiming compositorTiming;
@@ -70,7 +84,7 @@ public:
     status_t registerUnpresentedCallbackHandle(const sp<CallbackHandle>& handle);
     void addEmptyTransaction(const ListenerCallbacks& listenerCallbacks);
 
-    void addPresentFence(const sp<Fence>& presentFence);
+    void addPresentFence(sp<Fence>);
 
     void sendCallbacks(bool onCommitOnly);
     void clearCompletedTransactions() {
diff --git a/services/surfaceflinger/TransactionState.h b/services/surfaceflinger/TransactionState.h
index 900d566942..380301fc73 100644
--- a/services/surfaceflinger/TransactionState.h
+++ b/services/surfaceflinger/TransactionState.h
@@ -20,19 +20,26 @@
 #include <memory>
 #include <mutex>
 #include <vector>
+#include "renderengine/ExternalTexture.h"
 
 #include <gui/LayerState.h>
 #include <system/window.h>
 
 namespace android {
 
-class CountDownLatch;
+// Extends the client side composer state by resolving buffer.
+class ResolvedComposerState : public ComposerState {
+public:
+    ResolvedComposerState() = default;
+    ResolvedComposerState(ComposerState&& source) { state = std::move(source.state); }
+    std::shared_ptr<renderengine::ExternalTexture> externalTexture;
+};
 
 struct TransactionState {
     TransactionState() = default;
 
     TransactionState(const FrameTimelineInfo& frameTimelineInfo,
-                     const Vector<ComposerState>& composerStates,
+                     std::vector<ResolvedComposerState>& composerStates,
                      const Vector<DisplayState>& displayStates, uint32_t transactionFlags,
                      const sp<IBinder>& applyToken, const InputWindowCommands& inputWindowCommands,
                      int64_t desiredPresentTime, bool isAutoTimestamp,
@@ -40,7 +47,7 @@ struct TransactionState {
                      bool hasListenerCallbacks, std::vector<ListenerCallbacks> listenerCallbacks,
                      int originPid, int originUid, uint64_t transactionId)
           : frameTimelineInfo(frameTimelineInfo),
-            states(composerStates),
+            states(std::move(composerStates)),
             displays(displayStates),
             flags(transactionFlags),
             applyToken(applyToken),
@@ -59,9 +66,20 @@ struct TransactionState {
     // Invokes `void(const layer_state_t&)` visitor for matching layers.
     template <typename Visitor>
     void traverseStatesWithBuffers(Visitor&& visitor) const {
-        for (const auto& [state] : states) {
-            if (state.hasBufferChanges() && state.hasValidBuffer() && state.surface) {
-                visitor(state);
+        for (const auto& state : states) {
+            if (state.state.hasBufferChanges() && state.state.hasValidBuffer() &&
+                state.state.surface) {
+                visitor(state.state);
+            }
+        }
+    }
+
+    template <typename Visitor>
+    void traverseStatesWithBuffersWhileTrue(Visitor&& visitor) const {
+        for (const auto& state : states) {
+            if (state.state.hasBufferChanges() && state.state.hasValidBuffer() &&
+                state.state.surface) {
+                if (!visitor(state.state)) return;
             }
         }
     }
@@ -72,8 +90,8 @@ struct TransactionState {
     bool isFrameActive() const {
         if (!displays.empty()) return true;
 
-        for (const auto& [state] : states) {
-            if (state.frameRateCompatibility != ANATIVEWINDOW_FRAME_RATE_NO_VOTE) {
+        for (const auto& state : states) {
+            if (state.state.frameRateCompatibility != ANATIVEWINDOW_FRAME_RATE_NO_VOTE) {
                 return true;
             }
         }
@@ -82,7 +100,7 @@ struct TransactionState {
     }
 
     FrameTimelineInfo frameTimelineInfo;
-    Vector<ComposerState> states;
+    std::vector<ResolvedComposerState> states;
     Vector<DisplayState> displays;
     uint32_t flags;
     sp<IBinder> applyToken;
@@ -97,51 +115,7 @@ struct TransactionState {
     int originPid;
     int originUid;
     uint64_t id;
-    std::shared_ptr<CountDownLatch> transactionCommittedSignal;
-    int64_t queueTime = 0;
     bool sentFenceTimeoutWarning = false;
 };
 
-class CountDownLatch {
-public:
-    enum {
-        eSyncTransaction = 1 << 0,
-        eSyncInputWindows = 1 << 1,
-    };
-    explicit CountDownLatch(uint32_t flags) : mFlags(flags) {}
-
-    // True if there is no waiting condition after count down.
-    bool countDown(uint32_t flag) {
-        std::unique_lock<std::mutex> lock(mMutex);
-        if (mFlags == 0) {
-            return true;
-        }
-        mFlags &= ~flag;
-        if (mFlags == 0) {
-            mCountDownComplete.notify_all();
-            return true;
-        }
-        return false;
-    }
-
-    // Return true if triggered.
-    bool wait_until(const std::chrono::nanoseconds& timeout) const {
-        std::unique_lock<std::mutex> lock(mMutex);
-        const auto untilTime = std::chrono::system_clock::now() + timeout;
-        while (mFlags != 0) {
-            // Conditional variables can be woken up sporadically, so we check count
-            // to verify the wakeup was triggered by |countDown|.
-            if (std::cv_status::timeout == mCountDownComplete.wait_until(lock, untilTime)) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-private:
-    uint32_t mFlags;
-    mutable std::condition_variable mCountDownComplete;
-    mutable std::mutex mMutex;
-};
-
 } // namespace android
diff --git a/services/surfaceflinger/TunnelModeEnabledReporter.cpp b/services/surfaceflinger/TunnelModeEnabledReporter.cpp
index 4497cafa58..bc9b870075 100644
--- a/services/surfaceflinger/TunnelModeEnabledReporter.cpp
+++ b/services/surfaceflinger/TunnelModeEnabledReporter.cpp
@@ -59,7 +59,7 @@ void TunnelModeEnabledReporter::binderDied(const wp<IBinder>& who) {
 
 void TunnelModeEnabledReporter::addListener(const sp<gui::ITunnelModeEnabledListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     bool tunnelModeEnabled = false;
     {
         std::scoped_lock lock(mMutex);
diff --git a/services/surfaceflinger/Utils/Dumper.h b/services/surfaceflinger/Utils/Dumper.h
new file mode 100644
index 0000000000..ee942177e5
--- /dev/null
+++ b/services/surfaceflinger/Utils/Dumper.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+#include <string_view>
+
+#include <ftl/optional.h>
+
+namespace android::utils {
+
+// Dumps variables by appending their name and value to the output string. A variable is formatted
+// as "name=value". If the name or value is empty, the format is "value" or "name=", respectively.
+// A value of user-defined type T is stringified via `std::string to_string(const T&)`, which must
+// be defined in the same namespace as T per the rules of ADL (argument-dependent lookup).
+//
+// TODO(b/249828573): Consolidate with <compositionengine/impl/DumpHelpers.h>
+class Dumper {
+public:
+    explicit Dumper(std::string& out) : mOut(out) {}
+
+    void eol() { mOut += '\n'; }
+
+    void dump(std::string_view name, std::string_view value = {}) {
+        using namespace std::string_view_literals;
+
+        for (int i = mIndent; i-- > 0;) mOut += "    "sv;
+        mOut += name;
+        if (!name.empty()) mOut += '=';
+        mOut += value;
+        eol();
+    }
+
+    void dump(std::string_view name, const std::string& value) {
+        dump(name, static_cast<const std::string_view&>(value));
+    }
+
+    void dump(std::string_view name, bool value) {
+        using namespace std::string_view_literals;
+        dump(name, value ? "true"sv : "false"sv);
+    }
+
+    template <typename T>
+    void dump(std::string_view name, const std::optional<T>& opt) {
+        if (opt) {
+            dump(name, *opt);
+        } else {
+            using namespace std::string_view_literals;
+            dump(name, "nullopt"sv);
+        }
+    }
+
+    template <typename T>
+    void dump(std::string_view name, const ftl::Optional<T>& opt) {
+        dump(name, static_cast<const std::optional<T>&>(opt));
+    }
+
+    template <typename T, typename... Ts>
+    void dump(std::string_view name, const T& value, const Ts&... rest) {
+        std::string string;
+
+        constexpr bool kIsTuple = sizeof...(Ts) > 0;
+        if constexpr (kIsTuple) {
+            string += '{';
+        }
+
+        using std::to_string;
+        string += to_string(value);
+
+        if constexpr (kIsTuple) {
+            string += ((", " + to_string(rest)) + ...);
+            string += '}';
+        }
+
+        dump(name, string);
+    }
+
+    struct Indent {
+        explicit Indent(Dumper& dumper) : dumper(dumper) { dumper.mIndent++; }
+        ~Indent() { dumper.mIndent--; }
+
+        Dumper& dumper;
+    };
+
+    struct Section {
+        Section(Dumper& dumper, std::string_view heading) : dumper(dumper) {
+            dumper.dump({}, heading);
+            indent.emplace(dumper);
+        }
+
+        ~Section() {
+            indent.reset();
+            dumper.eol();
+        }
+
+        Dumper& dumper;
+        std::optional<Indent> indent;
+    };
+
+private:
+    std::string& mOut;
+    int mIndent = 0;
+};
+
+} // namespace android::utils
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.cpp b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
index 30b9d8f1cb..a1313e3a03 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.cpp
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
@@ -26,25 +26,43 @@ using gui::DisplayInfo;
 using gui::IWindowInfosListener;
 using gui::WindowInfo;
 
-struct WindowInfosListenerInvoker::WindowInfosReportedListener
-      : gui::BnWindowInfosReportedListener {
-    explicit WindowInfosReportedListener(WindowInfosListenerInvoker& invoker) : mInvoker(invoker) {}
+struct WindowInfosListenerInvoker::WindowInfosReportedListener : gui::BnWindowInfosReportedListener,
+                                                                 DeathRecipient {
+    explicit WindowInfosReportedListener(
+            size_t callbackCount,
+            const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                     SpHash<gui::IWindowInfosReportedListener>>&
+                    windowInfosReportedListeners)
+          : mCallbacksPending(callbackCount),
+            mWindowInfosReportedListeners(windowInfosReportedListeners) {}
 
     binder::Status onWindowInfosReported() override {
-        mInvoker.windowInfosReported();
+        // TODO(b/222421815) There could potentially be callbacks that we don't need to wait for
+        // before calling the WindowInfosReportedListeners coming from InputWindowCommands. Filter
+        // the list of callbacks down to those from system server.
+        if (--mCallbacksPending == 0) {
+            for (const auto& listener : mWindowInfosReportedListeners) {
+                sp<IBinder> asBinder = IInterface::asBinder(listener);
+                if (asBinder->isBinderAlive()) {
+                    listener->onWindowInfosReported();
+                }
+            }
+        }
         return binder::Status::ok();
     }
 
-    WindowInfosListenerInvoker& mInvoker;
-};
+    void binderDied(const wp<IBinder>&) { onWindowInfosReported(); }
 
-WindowInfosListenerInvoker::WindowInfosListenerInvoker(SurfaceFlinger& flinger)
-      : mFlinger(flinger),
-        mWindowInfosReportedListener(sp<WindowInfosReportedListener>::make(*this)) {}
+private:
+    std::atomic<size_t> mCallbacksPending;
+    std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                       SpHash<gui::IWindowInfosReportedListener>>
+            mWindowInfosReportedListeners;
+};
 
 void WindowInfosListenerInvoker::addWindowInfosListener(sp<IWindowInfosListener> listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
 
     std::scoped_lock lock(mListenersMutex);
     mWindowInfosListeners.try_emplace(asBinder, std::move(listener));
@@ -55,7 +73,7 @@ void WindowInfosListenerInvoker::removeWindowInfosListener(
     sp<IBinder> asBinder = IInterface::asBinder(listener);
 
     std::scoped_lock lock(mListenersMutex);
-    asBinder->unlinkToDeath(this);
+    asBinder->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
     mWindowInfosListeners.erase(asBinder);
 }
 
@@ -64,9 +82,11 @@ void WindowInfosListenerInvoker::binderDied(const wp<IBinder>& who) {
     mWindowInfosListeners.erase(who);
 }
 
-void WindowInfosListenerInvoker::windowInfosChanged(const std::vector<WindowInfo>& windowInfos,
-                                                    const std::vector<DisplayInfo>& displayInfos,
-                                                    bool shouldSync) {
+void WindowInfosListenerInvoker::windowInfosChanged(
+        const std::vector<WindowInfo>& windowInfos, const std::vector<DisplayInfo>& displayInfos,
+        const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                 SpHash<gui::IWindowInfosReportedListener>>&
+                windowInfosReportedListeners) {
     ftl::SmallVector<const sp<IWindowInfosListener>, kStaticCapacity> windowInfosListeners;
     {
         std::scoped_lock lock(mListenersMutex);
@@ -75,18 +95,25 @@ void WindowInfosListenerInvoker::windowInfosChanged(const std::vector<WindowInfo
         }
     }
 
-    mCallbacksPending = windowInfosListeners.size();
-
+    auto windowInfosReportedListener = windowInfosReportedListeners.empty()
+            ? nullptr
+            : sp<WindowInfosReportedListener>::make(windowInfosListeners.size(),
+                                                    windowInfosReportedListeners);
     for (const auto& listener : windowInfosListeners) {
-        listener->onWindowInfosChanged(windowInfos, displayInfos,
-                                       shouldSync ? mWindowInfosReportedListener : nullptr);
-    }
-}
+        sp<IBinder> asBinder = IInterface::asBinder(listener);
+
+        // linkToDeath is used here to ensure that the windowInfosReportedListeners
+        // are called even if one of the windowInfosListeners dies before
+        // calling onWindowInfosReported.
+        if (windowInfosReportedListener) {
+            asBinder->linkToDeath(windowInfosReportedListener);
+        }
 
-void WindowInfosListenerInvoker::windowInfosReported() {
-    mCallbacksPending--;
-    if (mCallbacksPending == 0) {
-        mFlinger.windowInfosReported();
+        auto status = listener->onWindowInfosChanged(windowInfos, displayInfos,
+                                                     windowInfosReportedListener);
+        if (windowInfosReportedListener && !status.isOk()) {
+            windowInfosReportedListener->onWindowInfosReported();
+        }
     }
 }
 
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.h b/services/surfaceflinger/WindowInfosListenerInvoker.h
index d8d8d0f570..a1d66a186e 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.h
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.h
@@ -29,22 +29,21 @@ class SurfaceFlinger;
 
 class WindowInfosListenerInvoker : public IBinder::DeathRecipient {
 public:
-    explicit WindowInfosListenerInvoker(SurfaceFlinger&);
-
     void addWindowInfosListener(sp<gui::IWindowInfosListener>);
     void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
 
     void windowInfosChanged(const std::vector<gui::WindowInfo>&,
-                            const std::vector<gui::DisplayInfo>&, bool shouldSync);
+                            const std::vector<gui::DisplayInfo>&,
+                            const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                                     SpHash<gui::IWindowInfosReportedListener>>&
+                                    windowInfosReportedListeners);
 
 protected:
     void binderDied(const wp<IBinder>& who) override;
 
 private:
     struct WindowInfosReportedListener;
-    void windowInfosReported();
 
-    SurfaceFlinger& mFlinger;
     std::mutex mListenersMutex;
 
     static constexpr size_t kStaticCapacity = 3;
@@ -52,7 +51,6 @@ private:
             mWindowInfosListeners GUARDED_BY(mListenersMutex);
 
     sp<gui::IWindowInfosReportedListener> mWindowInfosReportedListener;
-    std::atomic<size_t> mCallbacksPending{0};
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/fuzzer/Android.bp b/services/surfaceflinger/fuzzer/Android.bp
index b0b6bf14ab..7350e09cb5 100644
--- a/services/surfaceflinger/fuzzer/Android.bp
+++ b/services/surfaceflinger/fuzzer/Android.bp
@@ -127,3 +127,13 @@ cc_fuzz {
         "surfaceflinger_layer_fuzzer.cpp",
     ],
 }
+
+cc_fuzz {
+    name: "surfaceflinger_frametracer_fuzzer",
+    defaults: [
+        "surfaceflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "surfaceflinger_frametracer_fuzzer.cpp",
+    ],
+}
diff --git a/services/surfaceflinger/fuzzer/README.md b/services/surfaceflinger/fuzzer/README.md
index 78a7596ef3..a06c41b139 100644
--- a/services/surfaceflinger/fuzzer/README.md
+++ b/services/surfaceflinger/fuzzer/README.md
@@ -4,6 +4,7 @@
 + [DisplayHardware](#DisplayHardware)
 + [Scheduler](#Scheduler)
 + [Layer](#Layer)
++ [FrameTracer](#FrameTracer)
 
 # <a name="SurfaceFlinger"></a> Fuzzer for SurfaceFlinger
 
@@ -77,9 +78,8 @@ You can find the possible values in the fuzzer's source code.
 Layer supports the following parameters:
 1. Display Connection Types (parameter name: `fakeDisplay`)
 2. State Sets (parameter name: `traverseInZOrder`)
-3. State Subsets (parameter name: `prepareCompositionState`)
-4. Disconnect modes (parameter name: `disconnect`)
-5. Data Spaces (parameter name: `setDataspace`)
+3. Disconnect modes (parameter name: `disconnect`)
+4. Data Spaces (parameter name: `setDataspace`)
 
 You can find the possible values in the fuzzer's source code.
 
@@ -93,3 +93,16 @@ You can find the possible values in the fuzzer's source code.
   $ adb sync data
   $ adb shell /data/fuzz/arm64/surfaceflinger_layer_fuzzer/surfaceflinger_layer_fuzzer
 ```
+
+# <a name="FrameTracer"></a> Fuzzer for FrameTracer
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) surfaceflinger_frametracer_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/surfaceflinger_frametracer_fuzzer/surfaceflinger_frametracer_fuzzer
+```
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
index a605a2fd9b..8a6af10f58 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
@@ -116,7 +116,8 @@ static constexpr hal::HWConfigId kActiveConfig = 0;
 class DisplayHardwareFuzzer {
 public:
     DisplayHardwareFuzzer(const uint8_t* data, size_t size) : mFdp(data, size) {
-        mPhysicalDisplayId = SurfaceComposerClient::getInternalDisplayId().value();
+        mPhysicalDisplayId = TestableSurfaceFlinger::getFirstDisplayId().value_or(
+                PhysicalDisplayId::fromPort(mFdp.ConsumeIntegral<uint8_t>()));
     };
     void process();
 
@@ -325,8 +326,8 @@ void DisplayHardwareFuzzer::invokeAidlComposer() {
     invokeComposerHal2_3(&composer, display, outLayer);
     invokeComposerHal2_4(&composer, display, outLayer);
 
-    composer.executeCommands();
-    composer.resetCommands();
+    composer.executeCommands(display);
+    composer.resetCommands(display);
 
     composer.destroyLayer(display, outLayer);
     composer.destroyVirtualDisplay(display);
@@ -480,8 +481,8 @@ void DisplayHardwareFuzzer::invokeFrameBufferSurface() {
     BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
 
     sp<FramebufferSurface> surface =
-            new FramebufferSurface(mHwc, mPhysicalDisplayId, bqConsumer, getFuzzedSize() /*size*/,
-                                   getFuzzedSize() /*maxSize*/);
+            sp<FramebufferSurface>::make(mHwc, mPhysicalDisplayId, bqConsumer,
+                                         getFuzzedSize() /*size*/, getFuzzedSize() /*maxSize*/);
     surface->beginFrame(mFdp.ConsumeBool());
 
     surface->prepareFrame(mFdp.PickValueInArray(kCompositionTypes));
@@ -497,15 +498,15 @@ void DisplayHardwareFuzzer::invokeVirtualDisplaySurface() {
     DisplayIdGenerator<HalVirtualDisplayId> mGenerator;
     VirtualDisplayId VirtualDisplayId = mGenerator.generateId().value();
 
-    sp<SurfaceComposerClient> mClient = new SurfaceComposerClient();
+    sp<SurfaceComposerClient> mClient = sp<SurfaceComposerClient>::make();
     sp<SurfaceControl> mSurfaceControl =
             mClient->createSurface(String8("TestSurface"), 100, 100, PIXEL_FORMAT_RGBA_8888,
                                    ISurfaceComposerClient::eFXSurfaceBufferState,
                                    /*parent*/ nullptr);
 
-    sp<BLASTBufferQueue> mBlastBufferQueueAdapter =
-            new BLASTBufferQueue("TestBLASTBufferQueue", mSurfaceControl, 100, 100,
-                                 PIXEL_FORMAT_RGBA_8888);
+    auto mBlastBufferQueueAdapter =
+            sp<BLASTBufferQueue>::make("TestBLASTBufferQueue", mSurfaceControl, 100, 100,
+                                       PIXEL_FORMAT_RGBA_8888);
 
     sp<IGraphicBufferProducer> sink = mBlastBufferQueueAdapter->getIGraphicBufferProducer();
     sp<IGraphicBufferProducer> bqProducer = mBlastBufferQueueAdapter->getIGraphicBufferProducer();
@@ -513,9 +514,9 @@ void DisplayHardwareFuzzer::invokeVirtualDisplaySurface() {
     BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
     BufferQueue::createBufferQueue(&sink, &bqConsumer);
 
-    sp<VirtualDisplaySurface> surface =
-            new VirtualDisplaySurface(mHwc, VirtualDisplayId, sink, bqProducer, bqConsumer,
-                                      mFdp.ConsumeRandomLengthString().c_str() /*name*/);
+    auto surface =
+            sp<VirtualDisplaySurface>::make(mHwc, VirtualDisplayId, sink, bqProducer, bqConsumer,
+                                            mFdp.ConsumeRandomLengthString().c_str() /*name*/);
 
     surface->beginFrame(mFdp.ConsumeBool());
     surface->prepareFrame(mFdp.PickValueInArray(kCompositionTypes));
@@ -565,7 +566,7 @@ void DisplayHardwareFuzzer::invokeComposer() {
 
     mHwc.getLayerReleaseFence(halDisplayID, layer);
 
-    mHwc.setOutputBuffer(halVirtualDisplayId, sp<Fence>::make().get(), sp<GraphicBuffer>::make());
+    mHwc.setOutputBuffer(halVirtualDisplayId, sp<Fence>::make(), sp<GraphicBuffer>::make());
 
     mHwc.clearReleaseFences(halDisplayID);
 
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp
new file mode 100644
index 0000000000..a22a778989
--- /dev/null
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <FrameTracer/FrameTracer.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <perfetto/trace/trace.pb.h>
+
+namespace android::fuzz {
+
+using namespace google::protobuf;
+
+constexpr size_t kMaxStringSize = 100;
+constexpr size_t kMinLayerIds = 1;
+constexpr size_t kMaxLayerIds = 10;
+constexpr int32_t kConfigDuration = 500;
+constexpr int32_t kBufferSize = 1024;
+constexpr int32_t kTimeOffset = 100000;
+
+class FrameTracerFuzzer {
+public:
+    FrameTracerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size) {
+        // Fuzzer is single-threaded, so no need to be thread-safe.
+        static bool wasInitialized = false;
+        if (!wasInitialized) {
+            perfetto::TracingInitArgs args;
+            args.backends = perfetto::kInProcessBackend;
+            perfetto::Tracing::Initialize(args);
+            wasInitialized = true;
+        }
+        mFrameTracer = std::make_unique<android::FrameTracer>();
+    }
+    ~FrameTracerFuzzer() { mFrameTracer.reset(); }
+    void process();
+
+private:
+    std::unique_ptr<perfetto::TracingSession> getTracingSessionForTest();
+    void traceTimestamp();
+    std::vector<int32_t> generateLayerIds(size_t numLayerIds);
+    void traceTimestamp(std::vector<int32_t> layerIds, size_t numLayerIds);
+    void traceFence(std::vector<int32_t> layerIds, size_t numLayerIds);
+    std::unique_ptr<android::FrameTracer> mFrameTracer = nullptr;
+    FuzzedDataProvider mFdp;
+    android::FenceToFenceTimeMap mFenceFactory;
+};
+
+std::unique_ptr<perfetto::TracingSession> FrameTracerFuzzer::getTracingSessionForTest() {
+    perfetto::TraceConfig cfg;
+    cfg.set_duration_ms(kConfigDuration);
+    cfg.add_buffers()->set_size_kb(kBufferSize);
+    auto* dsCfg = cfg.add_data_sources()->mutable_config();
+    dsCfg->set_name(android::FrameTracer::kFrameTracerDataSource);
+
+    auto tracingSession = perfetto::Tracing::NewTrace(perfetto::kInProcessBackend);
+    tracingSession->Setup(cfg);
+    return tracingSession;
+}
+
+std::vector<int32_t> FrameTracerFuzzer::generateLayerIds(size_t numLayerIds) {
+    std::vector<int32_t> layerIds;
+    for (size_t i = 0; i < numLayerIds; ++i) {
+        layerIds.push_back(mFdp.ConsumeIntegral<int32_t>());
+    }
+    return layerIds;
+}
+
+void FrameTracerFuzzer::traceTimestamp(std::vector<int32_t> layerIds, size_t numLayerIds) {
+    int32_t layerId = layerIds.at(mFdp.ConsumeIntegralInRange<size_t>(0, numLayerIds - 1));
+    mFrameTracer->traceTimestamp(layerId, mFdp.ConsumeIntegral<uint64_t>() /*bufferID*/,
+                                 mFdp.ConsumeIntegral<uint64_t>() /*frameNumber*/,
+                                 mFdp.ConsumeIntegral<nsecs_t>() /*timestamp*/,
+                                 android::FrameTracer::FrameEvent::UNSPECIFIED,
+                                 mFdp.ConsumeIntegral<nsecs_t>() /*duration*/);
+}
+
+void FrameTracerFuzzer::traceFence(std::vector<int32_t> layerIds, size_t numLayerIds) {
+    const nsecs_t signalTime = systemTime();
+    const nsecs_t startTime = signalTime + kTimeOffset;
+    auto fence = mFenceFactory.createFenceTimeForTest(android::Fence::NO_FENCE);
+    mFenceFactory.signalAllForTest(android::Fence::NO_FENCE, signalTime);
+    int32_t layerId = layerIds.at(mFdp.ConsumeIntegralInRange<size_t>(0, numLayerIds - 1));
+    mFrameTracer->traceFence(layerId, mFdp.ConsumeIntegral<uint64_t>() /*bufferID*/,
+                             mFdp.ConsumeIntegral<uint64_t>() /*frameNumber*/, fence,
+                             android::FrameTracer::FrameEvent::ACQUIRE_FENCE, startTime);
+}
+
+void FrameTracerFuzzer::process() {
+    mFrameTracer->registerDataSource();
+
+    auto tracingSession = getTracingSessionForTest();
+    tracingSession->StartBlocking();
+
+    size_t numLayerIds = mFdp.ConsumeIntegralInRange<size_t>(kMinLayerIds, kMaxLayerIds);
+    std::vector<int32_t> layerIds = generateLayerIds(numLayerIds);
+
+    for (auto it = layerIds.begin(); it != layerIds.end(); ++it) {
+        mFrameTracer->traceNewLayer(*it /*layerId*/,
+                                    mFdp.ConsumeRandomLengthString(kMaxStringSize) /*layerName*/);
+    }
+
+    traceTimestamp(layerIds, numLayerIds);
+    traceFence(layerIds, numLayerIds);
+
+    mFenceFactory.signalAllForTest(android::Fence::NO_FENCE, systemTime());
+
+    tracingSession->StopBlocking();
+
+    for (auto it = layerIds.begin(); it != layerIds.end(); ++it) {
+        mFrameTracer->onDestroy(*it);
+    }
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    FrameTracerFuzzer frameTracerFuzzer(data, size);
+    frameTracerFuzzer.process();
+    return 0;
+}
+
+} // namespace android::fuzz
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
index f25043cd6d..ce4d18fbe1 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
@@ -103,7 +103,7 @@ static constexpr uint32_t kMaxCode = 1050;
 class SurfaceFlingerFuzzer {
 public:
     SurfaceFlingerFuzzer(const uint8_t *data, size_t size) : mFdp(data, size) {
-        mFlinger = mTestableFlinger.flinger();
+        mFlinger = sp<SurfaceFlinger>::fromExisting(mTestableFlinger.flinger());
     };
     void process(const uint8_t *data, size_t size);
 
@@ -130,7 +130,7 @@ void SurfaceFlingerFuzzer::invokeFlinger() {
     mFlinger->maxFrameBufferAcquiredBuffers = mFdp.ConsumeIntegral<int64_t>();
     mFlinger->maxGraphicsWidth = mFdp.ConsumeIntegral<uint32_t>();
     mFlinger->maxGraphicsHeight = mFdp.ConsumeIntegral<uint32_t>();
-    mFlinger->hasWideColorDisplay = mFdp.ConsumeBool();
+    mTestableFlinger.mutableSupportsWideColor() = mFdp.ConsumeBool();
     mFlinger->useContextPriority = mFdp.ConsumeBool();
 
     mFlinger->defaultCompositionDataspace = mFdp.PickValueInArray(kDataspaces);
@@ -150,8 +150,7 @@ void SurfaceFlingerFuzzer::invokeFlinger() {
 
     sp<IBinder> handle = defaultServiceManager()->checkService(
             String16(mFdp.ConsumeRandomLengthString().c_str()));
-    mFlinger->fromHandle(handle);
-    mFlinger->windowInfosReported();
+    LayerHandle::getLayer(handle);
     mFlinger->disableExpensiveRendering();
 }
 
@@ -238,7 +237,8 @@ void SurfaceFlingerFuzzer::process(const uint8_t *data, size_t size) {
 
     mTestableFlinger.enableHalVirtualDisplays(mFdp.ConsumeBool());
 
-    mTestableFlinger.commitTransactionsLocked(mFdp.ConsumeIntegral<uint32_t>());
+    FTL_FAKE_GUARD(kMainThreadContext,
+                   mTestableFlinger.commitTransactionsLocked(mFdp.ConsumeIntegral<uint32_t>()));
 
     mTestableFlinger.notifyPowerBoost(mFdp.ConsumeIntegral<int32_t>());
 
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index 867a1985bd..81ca659915 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -30,19 +30,16 @@
 #include <ui/DisplayStatInfo.h>
 #include <ui/DynamicDisplayInfo.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/ComposerHal.h"
-#include "EffectLayer.h"
 #include "FrameTimeline/FrameTimeline.h"
 #include "FrameTracer/FrameTracer.h"
+#include "FrontEnd/LayerHandle.h"
 #include "Layer.h"
 #include "NativeWindowSurface.h"
 #include "Scheduler/EventThread.h"
 #include "Scheduler/MessageQueue.h"
-#include "Scheduler/RefreshRateConfigs.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "Scheduler/VSyncTracker.h"
 #include "Scheduler/VsyncConfiguration.h"
 #include "Scheduler/VsyncController.h"
@@ -50,7 +47,6 @@
 #include "StartPropertySetThread.h"
 #include "SurfaceFlinger.h"
 #include "SurfaceFlingerDefaultFactory.h"
-#include "SurfaceInterceptor.h"
 #include "ThreadContext.h"
 #include "TimeStats/TimeStats.h"
 
@@ -64,7 +60,6 @@
 #include "tests/unittests/mock/MockFrameTimeline.h"
 #include "tests/unittests/mock/MockFrameTracer.h"
 #include "tests/unittests/mock/MockNativeWindowSurface.h"
-#include "tests/unittests/mock/MockSurfaceInterceptor.h"
 #include "tests/unittests/mock/MockTimeStats.h"
 #include "tests/unittests/mock/MockVSyncTracker.h"
 #include "tests/unittests/mock/MockVsyncController.h"
@@ -86,7 +81,6 @@ using types::V1_0::Transform;
 using types::V1_1::RenderIntent;
 using types::V1_2::ColorMode;
 using types::V1_2::Dataspace;
-using types::V1_2::Hdr;
 using types::V1_2::PixelFormat;
 
 using V2_1::Config;
@@ -155,14 +149,22 @@ static constexpr ui::PixelFormat kPixelFormats[] = {ui::PixelFormat::RGBA_8888,
                                                     ui::PixelFormat::YCBCR_P010,
                                                     ui::PixelFormat::HSV_888};
 
-FloatRect getFuzzedFloatRect(FuzzedDataProvider *fdp) {
+inline VsyncId getFuzzedVsyncId(FuzzedDataProvider& fdp) {
+    return VsyncId{fdp.ConsumeIntegral<int64_t>()};
+}
+
+inline TimePoint getFuzzedTimePoint(FuzzedDataProvider& fdp) {
+    return TimePoint::fromNs(fdp.ConsumeIntegral<nsecs_t>());
+}
+
+inline FloatRect getFuzzedFloatRect(FuzzedDataProvider* fdp) {
     return FloatRect(fdp->ConsumeFloatingPoint<float>() /*left*/,
                      fdp->ConsumeFloatingPoint<float>() /*right*/,
                      fdp->ConsumeFloatingPoint<float>() /*top*/,
                      fdp->ConsumeFloatingPoint<float>() /*bottom*/);
 }
 
-HdrMetadata getFuzzedHdrMetadata(FuzzedDataProvider *fdp) {
+inline HdrMetadata getFuzzedHdrMetadata(FuzzedDataProvider* fdp) {
     HdrMetadata hdrMetadata;
     if (fdp->ConsumeBool()) {
         hdrMetadata.cta8613.maxContentLightLevel = fdp->ConsumeFloatingPoint<float>();
@@ -215,18 +217,21 @@ namespace scheduler {
 
 class TestableScheduler : public Scheduler, private ICompositor {
 public:
-    TestableScheduler(const std::shared_ptr<scheduler::RefreshRateConfigs> &refreshRateConfigs,
-                      ISchedulerCallback &callback)
+    TestableScheduler(const std::shared_ptr<scheduler::RefreshRateSelector>& selectorPtr,
+                      ISchedulerCallback& callback)
           : TestableScheduler(std::make_unique<android::mock::VsyncController>(),
-                              std::make_unique<android::mock::VSyncTracker>(), refreshRateConfigs,
+                              std::make_unique<android::mock::VSyncTracker>(), selectorPtr,
                               callback) {}
 
     TestableScheduler(std::unique_ptr<VsyncController> controller,
                       std::unique_ptr<VSyncTracker> tracker,
-                      std::shared_ptr<RefreshRateConfigs> configs, ISchedulerCallback &callback)
+                      std::shared_ptr<RefreshRateSelector> selectorPtr,
+                      ISchedulerCallback& callback)
           : Scheduler(*this, callback, Feature::kContentDetection) {
         mVsyncSchedule.emplace(VsyncSchedule(std::move(tracker), nullptr, std::move(controller)));
-        setRefreshRateConfigs(std::move(configs));
+
+        const auto displayId = selectorPtr->getActiveMode().modePtr->getPhysicalDisplayId();
+        registerDisplay(displayId, std::move(selectorPtr));
     }
 
     ConnectionHandle createConnection(std::unique_ptr<EventThread> eventThread) {
@@ -238,7 +243,7 @@ public:
 
     auto &mutableLayerHistory() { return mLayerHistory; }
 
-    auto refreshRateConfigs() { return holdRefreshRateConfigs(); }
+    auto refreshRateSelector() { return leaderSelectorPtr(); }
 
     void replaceTouchTimer(int64_t millis) {
         if (mTouchTimer) {
@@ -266,14 +271,15 @@ public:
         mPolicy.cachedModeChangedParams.reset();
     }
 
-    void onNonPrimaryDisplayModeChanged(ConnectionHandle handle, DisplayModePtr mode) {
+    void onNonPrimaryDisplayModeChanged(ConnectionHandle handle, const FrameRateMode &mode) {
         return Scheduler::onNonPrimaryDisplayModeChanged(handle, mode);
     }
 
 private:
     // ICompositor overrides:
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 
     // MessageQueue overrides:
@@ -286,13 +292,18 @@ private:
 namespace surfaceflinger::test {
 
 class Factory final : public surfaceflinger::Factory {
+    struct NoOpMessageQueue : android::impl::MessageQueue {
+        using android::impl::MessageQueue::MessageQueue;
+        void onFrameSignal(ICompositor&, VsyncId, TimePoint) override {}
+    };
+
 public:
     ~Factory() = default;
 
-    std::unique_ptr<HWComposer> createHWComposer(const std::string &) override { return nullptr; }
+    std::unique_ptr<HWComposer> createHWComposer(const std::string&) override { return nullptr; }
 
-    std::unique_ptr<MessageQueue> createMessageQueue(ICompositor &compositor) {
-        return std::make_unique<android::impl::MessageQueue>(compositor);
+    std::unique_ptr<MessageQueue> createMessageQueue(ICompositor& compositor) {
+        return std::make_unique<NoOpMessageQueue>(compositor);
     }
 
     std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
@@ -301,27 +312,23 @@ public:
     }
 
     std::unique_ptr<scheduler::Scheduler> createScheduler(
-            const std::shared_ptr<scheduler::RefreshRateConfigs> &,
-            scheduler::ISchedulerCallback &) {
+            const std::shared_ptr<scheduler::RefreshRateSelector>&,
+            scheduler::ISchedulerCallback&) {
         return nullptr;
     }
 
-    sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
-    }
-
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
-        return new StartPropertySetThread(timestampPropertyValue);
+        return sp<StartPropertySetThread>::make(timestampPropertyValue);
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs &creationArgs) override {
-        return new DisplayDevice(creationArgs);
+        return sp<DisplayDevice>::make(creationArgs);
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
                                           uint32_t layerCount, uint64_t usage,
                                           std::string requestorName) override {
-        return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+        return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer> *outProducer,
@@ -334,18 +341,6 @@ public:
         mCreateBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
     }
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer> &producer,
-                                                       const sp<SurfaceFlinger> &flinger,
-                                                       const wp<Layer> &layer) override {
-        return new MonitoredProducer(producer, flinger, layer);
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer> &consumer,
-                                                      renderengine::RenderEngine &renderEngine,
-                                                      uint32_t textureName, Layer *layer) override {
-        return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer> &producer) override {
         if (!mCreateNativeWindowSurface) return nullptr;
@@ -356,20 +351,14 @@ public:
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs &) override {
-        return nullptr;
-    }
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs &) override { return nullptr; }
 
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs &) override {
-        return nullptr;
+    sp<Layer> createEffectLayer(const LayerCreationArgs &args) override {
+        return sp<Layer>::make(args);
     }
 
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs &args) override {
-        return new EffectLayer(args);
-    }
-
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs &args) override {
-        return new ContainerLayer(args);
+    sp<LayerFE> createLayerFE(const std::string &layerName) override {
+        return sp<LayerFE>::make(layerName);
     }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
@@ -430,7 +419,7 @@ public:
 
     void onPullAtom(FuzzedDataProvider *fdp) {
         const int32_t atomId = fdp->ConsumeIntegral<uint8_t>();
-        std::string pulledData = fdp->ConsumeRandomLengthString().c_str();
+        std::vector<uint8_t> pulledData = fdp->ConsumeRemainingBytes<uint8_t>();
         bool success = fdp->ConsumeBool();
         mFlinger->onPullAtom(atomId, &pulledData, &success);
     }
@@ -447,15 +436,13 @@ public:
         mFlinger->clearStatsLocked(dumpArgs, result);
 
         mFlinger->dumpTimeStats(dumpArgs, fdp->ConsumeBool(), result);
-        FTL_FAKE_GUARD(kMainThreadContext, mFlinger->logFrameStats());
+        FTL_FAKE_GUARD(kMainThreadContext,
+                       mFlinger->logFrameStats(TimePoint::fromNs(fdp->ConsumeIntegral<nsecs_t>())));
 
         result = fdp->ConsumeRandomLengthString().c_str();
         mFlinger->dumpFrameTimeline(dumpArgs, result);
 
         result = fdp->ConsumeRandomLengthString().c_str();
-        mFlinger->dumpStaticScreenStats(result);
-
-        result = fdp->ConsumeRandomLengthString().c_str();
         mFlinger->dumpRawDisplayIdentificationData(dumpArgs, result);
 
         LayersProto layersProto = mFlinger->dumpDrawingStateProto(fdp->ConsumeIntegral<uint32_t>());
@@ -469,10 +456,6 @@ public:
         mFlinger->calculateColorMatrix(fdp->ConsumeFloatingPoint<float>());
         mFlinger->updateColorMatrixLocked();
         mFlinger->CheckTransactCodeCredentials(fdp->ConsumeIntegral<uint32_t>());
-
-        const CountDownLatch transactionCommittedSignal(fdp->ConsumeIntegral<uint32_t>());
-        mFlinger->waitForSynchronousTransaction(transactionCommittedSignal);
-        mFlinger->signalSynchronousTransactions(fdp->ConsumeIntegral<uint32_t>());
     }
 
     void getCompositionPreference() {
@@ -508,14 +491,14 @@ public:
         mFlinger->getDisplayState(display, &displayState);
     }
 
-    void getStaticDisplayInfo(sp<IBinder> &display) {
+    void getStaticDisplayInfo(int64_t displayId) {
         ui::StaticDisplayInfo staticDisplayInfo;
-        mFlinger->getStaticDisplayInfo(display, &staticDisplayInfo);
+        mFlinger->getStaticDisplayInfo(displayId, &staticDisplayInfo);
     }
 
-    void getDynamicDisplayInfo(sp<IBinder> &display) {
+    void getDynamicDisplayInfo(int64_t displayId) {
         android::ui::DynamicDisplayInfo dynamicDisplayInfo;
-        mFlinger->getDynamicDisplayInfo(display, &dynamicDisplayInfo);
+        mFlinger->getDynamicDisplayInfoFromId(displayId, &dynamicDisplayInfo);
     }
     void getDisplayNativePrimaries(sp<IBinder> &display) {
         android::ui::DisplayPrimaries displayPrimaries;
@@ -523,16 +506,8 @@ public:
     }
 
     void getDesiredDisplayModeSpecs(sp<IBinder> &display) {
-        ui::DisplayModeId outDefaultMode;
-        bool outAllowGroupSwitching;
-        float outPrimaryRefreshRateMin;
-        float outPrimaryRefreshRateMax;
-        float outAppRequestRefreshRateMin;
-        float outAppRequestRefreshRateMax;
-        mFlinger->getDesiredDisplayModeSpecs(display, &outDefaultMode, &outAllowGroupSwitching,
-                                             &outPrimaryRefreshRateMin, &outPrimaryRefreshRateMax,
-                                             &outAppRequestRefreshRateMin,
-                                             &outAppRequestRefreshRateMax);
+        gui::DisplayModeSpecs _;
+        mFlinger->getDesiredDisplayModeSpecs(display, &_);
     }
 
     void setVsyncConfig(FuzzedDataProvider *fdp) {
@@ -540,19 +515,16 @@ public:
         mFlinger->setVsyncConfig(vsyncConfig, fdp->ConsumeIntegral<nsecs_t>());
     }
 
-    void updateCompositorTiming(FuzzedDataProvider *fdp) {
-        std::shared_ptr<FenceTime> presentFenceTime = FenceTime::NO_FENCE;
-        mFlinger->updateCompositorTiming({}, fdp->ConsumeIntegral<nsecs_t>(), presentFenceTime);
+    // TODO(b/248317436): extend to cover all displays for multi-display devices
+    static std::optional<PhysicalDisplayId> getFirstDisplayId() {
+        std::vector<PhysicalDisplayId> ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        if (ids.empty()) return {};
+        return ids.front();
     }
 
-    void getCompositorTiming() {
-        CompositorTiming compositorTiming;
-        mFlinger->getCompositorTiming(&compositorTiming);
-    }
-
-    sp<IBinder> fuzzBoot(FuzzedDataProvider *fdp) {
+    std::pair<sp<IBinder>, int64_t> fuzzBoot(FuzzedDataProvider *fdp) {
         mFlinger->callingThreadHasUnscopedSurfaceFlingerAccess(fdp->ConsumeBool());
-        mFlinger->createConnection();
+        const sp<Client> client = sp<Client>::make(mFlinger);
 
         DisplayIdGenerator<HalVirtualDisplayId> kGenerator;
         HalVirtualDisplayId halVirtualDisplayId = kGenerator.generateId().value();
@@ -561,7 +533,8 @@ public:
         ui::PixelFormat pixelFormat{};
         mFlinger->getHwComposer().allocateVirtualDisplay(halVirtualDisplayId, uiSize, &pixelFormat);
 
-        PhysicalDisplayId physicalDisplayId = SurfaceComposerClient::getInternalDisplayId().value();
+        PhysicalDisplayId physicalDisplayId = getFirstDisplayId().value_or(
+                PhysicalDisplayId::fromPort(fdp->ConsumeIntegral<uint8_t>()));
         mFlinger->getHwComposer().allocatePhysicalDisplay(kHwDisplayId, physicalDisplayId);
 
         sp<IBinder> display =
@@ -576,36 +549,32 @@ public:
 
         mFlinger->bootFinished();
 
-        return display;
+        return {display, physicalDisplayId.value};
     }
 
     void fuzzSurfaceFlinger(const uint8_t *data, size_t size) {
         FuzzedDataProvider mFdp(data, size);
 
-        sp<IBinder> display = fuzzBoot(&mFdp);
+        auto [display, displayId] = fuzzBoot(&mFdp);
 
         sp<IGraphicBufferProducer> bufferProducer = sp<mock::GraphicBufferProducer>::make();
-        mFlinger->authenticateSurfaceTexture(bufferProducer.get());
 
         mFlinger->createDisplayEventConnection();
 
         getDisplayStats(display);
         getDisplayState(display);
-        getStaticDisplayInfo(display);
-        getDynamicDisplayInfo(display);
+        getStaticDisplayInfo(displayId);
+        getDynamicDisplayInfo(displayId);
         getDisplayNativePrimaries(display);
 
         mFlinger->setAutoLowLatencyMode(display, mFdp.ConsumeBool());
         mFlinger->setGameContentType(display, mFdp.ConsumeBool());
         mFlinger->setPowerMode(display, mFdp.ConsumeIntegral<int>());
-        mFlinger->clearAnimationFrameStats();
 
         overrideHdrTypes(display, &mFdp);
 
         onPullAtom(&mFdp);
 
-        mFlinger->injectVSync(mFdp.ConsumeIntegral<nsecs_t>());
-
         getCompositionPreference();
         getDisplayedContentSample(display, &mFdp);
         getDesiredDisplayModeSpecs(display);
@@ -620,19 +589,24 @@ public:
         mFlinger->binderDied(display);
         mFlinger->onFirstRef();
 
-        mFlinger->commitTransactions();
         mFlinger->updateInputFlinger();
         mFlinger->updateCursorAsync();
 
         setVsyncConfig(&mFdp);
 
-        mFlinger->flushTransactionQueues(0);
+        {
+            ftl::FakeGuard guard(kMainThreadContext);
+
+            mFlinger->commitTransactions();
+            mFlinger->flushTransactionQueues(getFuzzedVsyncId(mFdp));
+            mFlinger->postComposition();
+        }
 
         mFlinger->setTransactionFlags(mFdp.ConsumeIntegral<uint32_t>());
         mFlinger->clearTransactionFlags(mFdp.ConsumeIntegral<uint32_t>());
         mFlinger->commitOffscreenLayers();
 
-        mFlinger->frameIsEarly(mFdp.ConsumeIntegral<nsecs_t>(), mFdp.ConsumeIntegral<int64_t>());
+        mFlinger->frameIsEarly(getFuzzedTimePoint(mFdp), getFuzzedVsyncId(mFdp));
         mFlinger->computeLayerBounds();
         mFlinger->startBootAnim();
 
@@ -643,14 +617,6 @@ public:
 
         mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mFdp.ConsumeIntegral<uid_t>());
 
-        mFlinger->postComposition();
-
-        getCompositorTiming();
-
-        updateCompositorTiming(&mFdp);
-
-        mFlinger->setCompositorTimingSnapped({}, mFdp.ConsumeIntegral<nsecs_t>());
-        FTL_FAKE_GUARD(kMainThreadContext, mFlinger->postFrame());
         mFlinger->calculateExpectedPresentTime({});
 
         mFlinger->enableHalVirtualDisplays(mFdp.ConsumeBool());
@@ -661,7 +627,8 @@ public:
     }
 
     void setupRenderEngine(std::unique_ptr<renderengine::RenderEngine> renderEngine) {
-        mFlinger->mCompositionEngine->setRenderEngine(std::move(renderEngine));
+        mFlinger->mRenderEngine = std::move(renderEngine);
+        mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
     }
 
     void setupComposer(std::unique_ptr<Hwc2::Composer> composer) {
@@ -688,8 +655,8 @@ public:
             modes.try_emplace(kModeId90, mock::createDisplayMode(kModeId90, 90_Hz));
         }
 
-        mRefreshRateConfigs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
-        const auto fps = mRefreshRateConfigs->getActiveMode()->getFps();
+        mRefreshRateSelector = std::make_shared<scheduler::RefreshRateSelector>(modes, kModeId60);
+        const auto fps = mRefreshRateSelector->getActiveMode().modePtr->getFps();
         mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(fps);
         mFlinger->mVsyncModulator = sp<scheduler::VsyncModulator>::make(
                 mFlinger->mVsyncConfiguration->getCurrentConfigs());
@@ -698,7 +665,7 @@ public:
                                                               hal::PowerMode::OFF);
 
         mScheduler = new scheduler::TestableScheduler(std::move(vsyncController),
-                                                      std::move(vsyncTracker), mRefreshRateConfigs,
+                                                      std::move(vsyncTracker), mRefreshRateSelector,
                                                       *(callback ?: this));
 
         mFlinger->mAppConnectionHandle = mScheduler->createConnection(std::move(appEventThread));
@@ -740,9 +707,9 @@ public:
 
     void enableHalVirtualDisplays(bool enable) { mFlinger->enableHalVirtualDisplays(enable); }
 
-    auto commitTransactionsLocked(uint32_t transactionFlags) {
+    void commitTransactionsLocked(uint32_t transactionFlags) FTL_FAKE_GUARD(kMainThreadContext) {
         Mutex::Autolock lock(mFlinger->mStateLock);
-        return mFlinger->commitTransactionsLocked(transactionFlags);
+        mFlinger->commitTransactionsLocked(transactionFlags);
     }
 
     auto setDisplayStateLocked(const DisplayState &s) {
@@ -758,28 +725,35 @@ public:
         return mFlinger->setPowerModeInternal(display, mode);
     }
 
-    auto &getTransactionQueue() { return mFlinger->mTransactionQueue; }
-    auto &getPendingTransactionQueue() { return mFlinger->mPendingTransactionQueues; }
+    auto &getTransactionQueue() { return mFlinger->mTransactionHandler.mLocklessTransactionQueue; }
+    auto &getPendingTransactionQueue() {
+        return mFlinger->mTransactionHandler.mPendingTransactionQueues;
+    }
 
-    auto setTransactionState(
-            const FrameTimelineInfo &frameTimelineInfo, const Vector<ComposerState> &states,
-            const Vector<DisplayState> &displays, uint32_t flags, const sp<IBinder> &applyToken,
-            const InputWindowCommands &inputWindowCommands, int64_t desiredPresentTime,
-            bool isAutoTimestamp, const client_cache_t &uncacheBuffer, bool hasListenerCallbacks,
-            std::vector<ListenerCallbacks> &listenerCallbacks, uint64_t transactionId) {
+    auto setTransactionState(const FrameTimelineInfo &frameTimelineInfo,
+                             Vector<ComposerState> &states, const Vector<DisplayState> &displays,
+                             uint32_t flags, const sp<IBinder> &applyToken,
+                             const InputWindowCommands &inputWindowCommands,
+                             int64_t desiredPresentTime, bool isAutoTimestamp,
+                             const client_cache_t &uncacheBuffer, bool hasListenerCallbacks,
+                             std::vector<ListenerCallbacks> &listenerCallbacks,
+                             uint64_t transactionId) {
         return mFlinger->setTransactionState(frameTimelineInfo, states, displays, flags, applyToken,
                                              inputWindowCommands, desiredPresentTime,
                                              isAutoTimestamp, uncacheBuffer, hasListenerCallbacks,
                                              listenerCallbacks, transactionId);
     }
 
-    auto flushTransactionQueues() { return mFlinger->flushTransactionQueues(0); };
+    auto flushTransactionQueues() {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return mFlinger->flushTransactionQueues(VsyncId{0});
+    }
 
     auto onTransact(uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
         return mFlinger->onTransact(code, data, reply, flags);
     }
 
-    auto getGPUContextPriority() { return mFlinger->getGPUContextPriority(); }
+    auto getGpuContextPriority() { return mFlinger->getGpuContextPriority(); }
 
     auto calculateMaxAcquiredBufferCount(Fps refreshRate,
                                          std::chrono::nanoseconds presentLatency) const {
@@ -789,35 +763,34 @@ public:
     /* Read-write access to private data to set up preconditions and assert
      * post-conditions.
      */
+    auto& mutableSupportsWideColor() { return mFlinger->mSupportsWideColor; }
+    auto& mutableCurrentState() { return mFlinger->mCurrentState; }
+    auto& mutableDisplays() { return mFlinger->mDisplays; }
+    auto& mutableDrawingState() { return mFlinger->mDrawingState; }
 
-    auto &mutableCurrentState() { return mFlinger->mCurrentState; }
-    auto &mutableDisplays() { return mFlinger->mDisplays; }
-    auto &mutableDrawingState() { return mFlinger->mDrawingState; }
-    auto &mutableInterceptor() { return mFlinger->mInterceptor; }
-
-    auto fromHandle(const sp<IBinder> &handle) { return mFlinger->fromHandle(handle); }
+    auto fromHandle(const sp<IBinder> &handle) { return LayerHandle::getLayer(handle); }
 
     ~TestableSurfaceFlinger() {
         mutableDisplays().clear();
         mutableCurrentState().displays.clear();
         mutableDrawingState().displays.clear();
-        mutableInterceptor().clear();
         mFlinger->mScheduler.reset();
         mFlinger->mCompositionEngine->setHwComposer(std::unique_ptr<HWComposer>());
-        mFlinger->mCompositionEngine->setRenderEngine(
-                std::unique_ptr<renderengine::RenderEngine>());
+        mFlinger->mRenderEngine = std::unique_ptr<renderengine::RenderEngine>();
+        mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
     }
 
 private:
     void setVsyncEnabled(bool) override {}
-    void requestDisplayMode(DisplayModePtr, DisplayModeEvent) override {}
+    void requestDisplayModes(std::vector<display::DisplayModeRequest>) override {}
     void kernelTimerChanged(bool) override {}
     void triggerOnFrameRateOverridesChanged() override {}
 
     surfaceflinger::test::Factory mFactory;
-    sp<SurfaceFlinger> mFlinger = new SurfaceFlinger(mFactory, SurfaceFlinger::SkipInitialization);
+    sp<SurfaceFlinger> mFlinger =
+            sp<SurfaceFlinger>::make(mFactory, SurfaceFlinger::SkipInitialization);
     scheduler::TestableScheduler *mScheduler = nullptr;
-    std::shared_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs;
+    std::shared_ptr<scheduler::RefreshRateSelector> mRefreshRateSelector;
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
index 34cf90628a..acfc1d4dc8 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
@@ -14,13 +14,9 @@
  * limitations under the License.
  *
  */
-#include <BufferStateLayer.h>
 #include <Client.h>
 #include <DisplayDevice.h>
-#include <EffectLayer.h>
-#include <LayerRejecter.h>
 #include <LayerRenderArea.h>
-#include <MonitoredProducer.h>
 #include <ftl/future.h>
 #include <fuzzer/FuzzedDataProvider.h>
 #include <gui/IProducerListener.h>
@@ -59,8 +55,10 @@ Rect LayerFuzzer::getFuzzedRect() {
 }
 
 FrameTimelineInfo LayerFuzzer::getFuzzedFrameTimelineInfo() {
-    return FrameTimelineInfo{.vsyncId = mFdp.ConsumeIntegral<int64_t>(),
-                             .inputEventId = mFdp.ConsumeIntegral<int32_t>()};
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = mFdp.ConsumeIntegral<int64_t>();
+    ftInfo.inputEventId = mFdp.ConsumeIntegral<int32_t>();
+    return ftInfo;
 }
 
 LayerCreationArgs LayerFuzzer::createLayerCreationArgs(TestableSurfaceFlinger* flinger,
@@ -77,15 +75,15 @@ LayerCreationArgs LayerFuzzer::createLayerCreationArgs(TestableSurfaceFlinger* f
 
 void LayerFuzzer::invokeEffectLayer() {
     TestableSurfaceFlinger flinger;
-    sp<Client> client = sp<Client>::make(flinger.flinger());
+    sp<Client> client = sp<Client>::make(sp<SurfaceFlinger>::fromExisting(flinger.flinger()));
     const LayerCreationArgs layerCreationArgs = createLayerCreationArgs(&flinger, client);
-    sp<EffectLayer> effectLayer = sp<EffectLayer>::make(layerCreationArgs);
+    sp<Layer> effectLayer = sp<Layer>::make(layerCreationArgs);
 
     effectLayer->setColor({(mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*x*/,
                             mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*y*/,
                             mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*z*/)});
     effectLayer->setDataspace(mFdp.PickValueInArray(kDataspaces));
-    sp<EffectLayer> parent = sp<EffectLayer>::make(layerCreationArgs);
+    sp<Layer> parent = sp<Layer>::make(layerCreationArgs);
     effectLayer->setChildrenDrawingParent(parent);
 
     const FrameTimelineInfo frameInfo = getFuzzedFrameTimelineInfo();
@@ -109,24 +107,22 @@ void LayerFuzzer::invokeEffectLayer() {
 
 void LayerFuzzer::invokeBufferStateLayer() {
     TestableSurfaceFlinger flinger;
-    sp<Client> client = sp<Client>::make(flinger.flinger());
-    sp<BufferStateLayer> layer =
-            sp<BufferStateLayer>::make(createLayerCreationArgs(&flinger, client));
+    sp<Client> client = sp<Client>::make(sp<SurfaceFlinger>::fromExisting(flinger.flinger()));
+    sp<Layer> layer = sp<Layer>::make(createLayerCreationArgs(&flinger, client));
     sp<Fence> fence = sp<Fence>::make();
     const std::shared_ptr<FenceTime> fenceTime = std::make_shared<FenceTime>(fence);
 
-    const CompositorTiming compositor = {mFdp.ConsumeIntegral<int64_t>(),
-                                         mFdp.ConsumeIntegral<int64_t>(),
-                                         mFdp.ConsumeIntegral<int64_t>()};
+    const CompositorTiming compositorTiming(mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>());
 
     layer->onLayerDisplayed(ftl::yield<FenceResult>(fence).share());
     layer->onLayerDisplayed(
             ftl::yield<FenceResult>(base::unexpected(mFdp.ConsumeIntegral<status_t>())).share());
 
     layer->releasePendingBuffer(mFdp.ConsumeIntegral<int64_t>());
-    layer->finalizeFrameEventHistory(fenceTime, compositor);
-    layer->onPostComposition(nullptr, fenceTime, fenceTime, compositor);
-    layer->isBufferDue(mFdp.ConsumeIntegral<int64_t>());
+    layer->onPostComposition(nullptr, fenceTime, fenceTime, compositorTiming);
 
     layer->setTransform(mFdp.ConsumeIntegral<uint32_t>());
     layer->setTransformToDisplayInverse(mFdp.ConsumeBool());
@@ -150,7 +146,6 @@ void LayerFuzzer::invokeBufferStateLayer() {
     layer->computeSourceBounds(getFuzzedFloatRect(&mFdp));
 
     layer->fenceHasSignaled();
-    layer->framePresentTimeIsCurrent(mFdp.ConsumeIntegral<int64_t>());
     layer->onPreComposition(mFdp.ConsumeIntegral<int64_t>());
     const std::vector<sp<CallbackHandle>> callbacks;
     layer->setTransactionCompletedListeners(callbacks);
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
index da60a6981b..7959e52fba 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
@@ -19,8 +19,11 @@
 #include <fuzzer/FuzzedDataProvider.h>
 #include <processgroup/sched_policy.h>
 
+#include <scheduler/PresentLatencyTracker.h>
+
 #include "Scheduler/DispSyncSource.h"
 #include "Scheduler/OneShotTimer.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "Scheduler/VSyncDispatchTimerQueue.h"
 #include "Scheduler/VSyncPredictor.h"
 #include "Scheduler/VSyncReactor.h"
@@ -36,7 +39,7 @@ constexpr nsecs_t kVsyncPeriods[] = {(30_Hz).getPeriodNsecs(), (60_Hz).getPeriod
                                      (72_Hz).getPeriodNsecs(), (90_Hz).getPeriodNsecs(),
                                      (120_Hz).getPeriodNsecs()};
 
-constexpr auto kLayerVoteTypes = ftl::enum_range<scheduler::RefreshRateConfigs::LayerVoteType>();
+constexpr auto kLayerVoteTypes = ftl::enum_range<scheduler::RefreshRateSelector::LayerVoteType>();
 
 constexpr PowerMode kPowerModes[] = {PowerMode::ON, PowerMode::DOZE, PowerMode::OFF,
                                      PowerMode::DOZE_SUSPEND, PowerMode::ON_SUSPEND};
@@ -57,7 +60,8 @@ public:
 
 private:
     void fuzzRefreshRateSelection();
-    void fuzzRefreshRateConfigs();
+    void fuzzRefreshRateSelector();
+    void fuzzPresentLatencyTracker();
     void fuzzVSyncModulator();
     void fuzzVSyncPredictor();
     void fuzzVSyncReactor();
@@ -89,12 +93,12 @@ void SchedulerFuzzer::fuzzEventThread() {
     const auto getVsyncPeriod = [](uid_t /* uid */) { return kSyncPeriod.count(); };
     std::unique_ptr<android::impl::EventThread> thread = std::make_unique<
             android::impl::EventThread>(std::move(std::make_unique<FuzzImplVSyncSource>()), nullptr,
-                                        nullptr, nullptr, getVsyncPeriod);
+                                        nullptr, getVsyncPeriod);
 
     thread->onHotplugReceived(getPhysicalDisplayId(), mFdp.ConsumeBool());
     sp<EventThreadConnection> connection =
-            new EventThreadConnection(thread.get(), mFdp.ConsumeIntegral<uint16_t>(), nullptr,
-                                      {} /*eventRegistration*/);
+            sp<EventThreadConnection>::make(thread.get(), mFdp.ConsumeIntegral<uint16_t>(),
+                                            nullptr);
     thread->requestNextVsync(connection);
     thread->setVsyncRate(mFdp.ConsumeIntegral<uint32_t>() /*rate*/, connection);
 
@@ -224,8 +228,8 @@ void SchedulerFuzzer::fuzzLayerHistory() {
     nsecs_t time2 = time1;
     uint8_t historySize = mFdp.ConsumeIntegral<uint8_t>();
 
-    sp<FuzzImplLayer> layer1 = new FuzzImplLayer(flinger.flinger());
-    sp<FuzzImplLayer> layer2 = new FuzzImplLayer(flinger.flinger());
+    sp<FuzzImplLayer> layer1 = sp<FuzzImplLayer>::make(flinger.flinger());
+    sp<FuzzImplLayer> layer2 = sp<FuzzImplLayer>::make(flinger.flinger());
 
     for (int i = 0; i < historySize; ++i) {
         historyV1.record(layer1.get(), time1, time1,
@@ -235,8 +239,8 @@ void SchedulerFuzzer::fuzzLayerHistory() {
         time1 += mFdp.PickValueInArray(kVsyncPeriods);
         time2 += mFdp.PickValueInArray(kVsyncPeriods);
     }
-    historyV1.summarize(*scheduler->refreshRateConfigs(), time1);
-    historyV1.summarize(*scheduler->refreshRateConfigs(), time2);
+    historyV1.summarize(*scheduler->refreshRateSelector(), time1);
+    historyV1.summarize(*scheduler->refreshRateSelector(), time2);
 
     scheduler->createConnection(std::make_unique<android::mock::EventThread>());
 
@@ -245,7 +249,9 @@ void SchedulerFuzzer::fuzzLayerHistory() {
     scheduler->setDuration(handle, (std::chrono::nanoseconds)mFdp.ConsumeIntegral<uint64_t>(),
                            (std::chrono::nanoseconds)mFdp.ConsumeIntegral<uint64_t>());
 
-    dump<scheduler::TestableScheduler>(scheduler, &mFdp);
+    std::string result = mFdp.ConsumeRandomLengthString(kRandomStringLength);
+    utils::Dumper dumper(result);
+    scheduler->dump(dumper);
 }
 
 void SchedulerFuzzer::fuzzVSyncReactor() {
@@ -260,7 +266,7 @@ void SchedulerFuzzer::fuzzVSyncReactor() {
     reactor.addHwVsyncTimestamp(0, std::nullopt, &periodFlushed);
     reactor.addHwVsyncTimestamp(mFdp.ConsumeIntegral<nsecs_t>() /*newPeriod*/, std::nullopt,
                                 &periodFlushed);
-    sp<Fence> fence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    sp<Fence> fence = sp<Fence>::make(memfd_create("fd", MFD_ALLOW_SEALING));
     std::shared_ptr<FenceTime> ft = std::make_shared<FenceTime>(fence);
     vSyncTracker->addVsyncTimestamp(mFdp.ConsumeIntegral<nsecs_t>());
     FenceTime::Snapshot snap(mFdp.ConsumeIntegral<nsecs_t>());
@@ -319,14 +325,14 @@ void SchedulerFuzzer::fuzzRefreshRateSelection() {
     LayerCreationArgs args(flinger.flinger(), client,
                            mFdp.ConsumeRandomLengthString(kRandomStringLength) /*name*/,
                            mFdp.ConsumeIntegral<uint16_t>() /*layerFlags*/, LayerMetadata());
-    sp<Layer> layer = new BufferQueueLayer(args);
+    sp<Layer> layer = sp<Layer>::make(args);
 
     layer->setFrameRateSelectionPriority(mFdp.ConsumeIntegral<int16_t>());
 }
 
-void SchedulerFuzzer::fuzzRefreshRateConfigs() {
-    using RefreshRateConfigs = scheduler::RefreshRateConfigs;
-    using LayerRequirement = RefreshRateConfigs::LayerRequirement;
+void SchedulerFuzzer::fuzzRefreshRateSelector() {
+    using RefreshRateSelector = scheduler::RefreshRateSelector;
+    using LayerRequirement = RefreshRateSelector::LayerRequirement;
     using RefreshRateStats = scheduler::RefreshRateStats;
 
     const uint16_t minRefreshRate = mFdp.ConsumeIntegralInRange<uint16_t>(1, UINT16_MAX >> 1);
@@ -342,49 +348,71 @@ void SchedulerFuzzer::fuzzRefreshRateConfigs() {
                                                          Fps::fromValue(static_cast<float>(fps))));
     }
 
-    RefreshRateConfigs refreshRateConfigs(displayModes, modeId);
+    RefreshRateSelector refreshRateSelector(displayModes, modeId);
 
-    const RefreshRateConfigs::GlobalSignals globalSignals = {.touch = false, .idle = false};
+    const RefreshRateSelector::GlobalSignals globalSignals = {.touch = false, .idle = false};
     std::vector<LayerRequirement> layers = {{.weight = mFdp.ConsumeFloatingPoint<float>()}};
 
-    refreshRateConfigs.getBestRefreshRate(layers, globalSignals);
+    refreshRateSelector.getRankedFrameRates(layers, globalSignals);
 
     layers[0].name = mFdp.ConsumeRandomLengthString(kRandomStringLength);
     layers[0].ownerUid = mFdp.ConsumeIntegral<uint16_t>();
     layers[0].desiredRefreshRate = Fps::fromValue(mFdp.ConsumeFloatingPoint<float>());
     layers[0].vote = mFdp.PickValueInArray(kLayerVoteTypes.values);
     auto frameRateOverrides =
-            refreshRateConfigs.getFrameRateOverrides(layers,
-                                                     Fps::fromValue(
+            refreshRateSelector.getFrameRateOverrides(layers,
+                                                      Fps::fromValue(
+                                                              mFdp.ConsumeFloatingPoint<float>()),
+                                                      globalSignals);
+
+    {
+        ftl::FakeGuard guard(kMainThreadContext);
+
+        refreshRateSelector.setPolicy(
+                RefreshRateSelector::
+                        DisplayManagerPolicy{modeId,
+                                             {Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
+                                              Fps::fromValue(mFdp.ConsumeFloatingPoint<float>())}});
+        refreshRateSelector.setPolicy(
+                RefreshRateSelector::OverridePolicy{modeId,
+                                                    {Fps::fromValue(
                                                              mFdp.ConsumeFloatingPoint<float>()),
-                                                     globalSignals);
+                                                     Fps::fromValue(
+                                                             mFdp.ConsumeFloatingPoint<float>())}});
+        refreshRateSelector.setPolicy(RefreshRateSelector::NoOverridePolicy{});
 
-    refreshRateConfigs.setDisplayManagerPolicy(
-            {modeId,
-             {Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
-              Fps::fromValue(mFdp.ConsumeFloatingPoint<float>())}});
-    refreshRateConfigs.setActiveModeId(modeId);
+        refreshRateSelector.setActiveMode(modeId,
+                                          Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()));
+    }
 
-    RefreshRateConfigs::isFractionalPairOrMultiple(Fps::fromValue(
-                                                           mFdp.ConsumeFloatingPoint<float>()),
-                                                   Fps::fromValue(
-                                                           mFdp.ConsumeFloatingPoint<float>()));
-    RefreshRateConfigs::getFrameRateDivisor(Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
-                                            Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()));
+    RefreshRateSelector::isFractionalPairOrMultiple(Fps::fromValue(
+                                                            mFdp.ConsumeFloatingPoint<float>()),
+                                                    Fps::fromValue(
+                                                            mFdp.ConsumeFloatingPoint<float>()));
+    RefreshRateSelector::getFrameRateDivisor(Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
+                                             Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()));
 
     android::mock::TimeStats timeStats;
     RefreshRateStats refreshRateStats(timeStats, Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
                                       PowerMode::OFF);
 
-    const auto fpsOpt = displayModes.get(modeId, [](const auto& mode) { return mode->getFps(); });
+    const auto fpsOpt = displayModes.get(modeId).transform(
+            [](const DisplayModePtr& mode) { return mode->getFps(); });
     refreshRateStats.setRefreshRate(*fpsOpt);
 
     refreshRateStats.setPowerMode(mFdp.PickValueInArray(kPowerModes));
 }
 
+void SchedulerFuzzer::fuzzPresentLatencyTracker() {
+    scheduler::PresentLatencyTracker tracker;
+    tracker.trackPendingFrame(TimePoint::fromNs(mFdp.ConsumeIntegral<nsecs_t>()),
+                              FenceTime::NO_FENCE);
+}
+
 void SchedulerFuzzer::process() {
     fuzzRefreshRateSelection();
-    fuzzRefreshRateConfigs();
+    fuzzRefreshRateSelector();
+    fuzzPresentLatencyTracker();
     fuzzVSyncModulator();
     fuzzVSyncPredictor();
     fuzzVSyncReactor();
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.h b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.h
index 1a49ead275..2bc5b4676f 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.h
@@ -27,7 +27,6 @@
 #include "Clock.h"
 #include "Layer.h"
 #include "Scheduler/EventThread.h"
-#include "Scheduler/RefreshRateConfigs.h"
 #include "Scheduler/Scheduler.h"
 #include "Scheduler/VSyncTracker.h"
 #include "Scheduler/VsyncModulator.h"
@@ -117,6 +116,8 @@ public:
         return true;
     }
 
+    void setDivisor(unsigned) override {}
+
     nsecs_t nextVSyncTime(nsecs_t timePoint) const {
         if (timePoint % mPeriod == 0) {
             return timePoint;
diff --git a/services/surfaceflinger/layerproto/Android.bp b/services/surfaceflinger/layerproto/Android.bp
index 973a4392a2..7287dd0103 100644
--- a/services/surfaceflinger/layerproto/Android.bp
+++ b/services/surfaceflinger/layerproto/Android.bp
@@ -44,10 +44,11 @@ cc_library {
 }
 
 java_library_static {
-    name: "layersprotosnano",
+    name: "layersprotoslite",
     host_supported: true,
     proto: {
-        type: "nano",
+        type: "lite",
+        include_dirs: ["external/protobuf/src"],
     },
     srcs: ["*.proto"],
     sdk_version: "core_platform",
@@ -56,7 +57,7 @@ java_library_static {
             jarjar_rules: "jarjar-rules.txt",
         },
         host: {
-            static_libs: ["libprotobuf-java-nano"],
+            static_libs: ["libprotobuf-java-lite"],
         },
     },
 }
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
index 52503bad3a..cdc2706ee2 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
@@ -24,6 +24,8 @@
 #include <unordered_map>
 #include <vector>
 
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace surfaceflinger {
 
diff --git a/services/surfaceflinger/layerproto/layerstrace.proto b/services/surfaceflinger/layerproto/layerstrace.proto
index 13647b669e..804a4994ee 100644
--- a/services/surfaceflinger/layerproto/layerstrace.proto
+++ b/services/surfaceflinger/layerproto/layerstrace.proto
@@ -38,9 +38,13 @@ message LayersTraceFileProto {
 
     optional fixed64 magic_number = 1;  /* Must be the first field, set to value in MagicNumber */
     repeated LayersTraceProto entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    optional fixed64 real_to_elapsed_time_offset_nanos = 3;
 }
 
-/* one window manager trace entry. */
+/* one layers trace entry. */
 message LayersTraceProto {
     /* required: elapsed realtime in nanos since boot of when this entry was logged */
     optional sfixed64 elapsed_realtime_nanos = 1;
@@ -60,4 +64,6 @@ message LayersTraceProto {
     optional uint32 missed_entries = 6;
 
     repeated DisplayProto displays = 7;
+
+    optional int64 vsync_id = 8;
 }
diff --git a/services/surfaceflinger/layerproto/transactions.proto b/services/surfaceflinger/layerproto/transactions.proto
index 4f99b192a3..4c6a9cf85b 100644
--- a/services/surfaceflinger/layerproto/transactions.proto
+++ b/services/surfaceflinger/layerproto/transactions.proto
@@ -36,6 +36,10 @@ message TransactionTraceFile {
 
     fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */
     repeated TransactionTraceEntry entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    fixed64 real_to_elapsed_time_offset_nanos = 3;
 }
 
 message TransactionTraceEntry {
@@ -78,7 +82,7 @@ message LayerState {
         eChangesLsbNone = 0;
         ePositionChanged = 0x00000001;
         eLayerChanged = 0x00000002;
-        eSizeChanged = 0x00000004;
+        // unused = 0x00000004;
         eAlphaChanged = 0x00000008;
 
         eMatrixChanged = 0x00000010;
@@ -94,8 +98,7 @@ message LayerState {
         eReparent = 0x00008000;
 
         eColorChanged = 0x00010000;
-        eDestroySurface = 0x00020000;
-        eTransformChanged = 0x00040000;
+        eBufferTransformChanged = 0x00040000;
         eTransformToDisplayInverseChanged = 0x00080000;
 
         eCropChanged = 0x00100000;
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index ec180548e1..fedd71e921 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -67,7 +67,7 @@ static void startDisplayService() {
     using android::frameworks::displayservice::V1_0::implementation::DisplayService;
     using android::frameworks::displayservice::V1_0::IDisplayService;
 
-    sp<IDisplayService> displayservice = new DisplayService();
+    sp<IDisplayService> displayservice = sp<DisplayService>::make();
     status_t err = displayservice->registerAsService();
 
     // b/141930622
@@ -153,7 +153,7 @@ int main(int, char**) {
                    IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL | IServiceManager::DUMP_FLAG_PROTO);
 
     // publish gui::ISurfaceComposer, the new AIDL interface
-    sp<SurfaceComposerAIDL> composerAIDL = new SurfaceComposerAIDL(flinger);
+    sp<SurfaceComposerAIDL> composerAIDL = sp<SurfaceComposerAIDL>::make(flinger);
     sm->addService(String16("SurfaceFlingerAIDL"), composerAIDL, false,
                    IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL | IServiceManager::DUMP_FLAG_PROTO);
 
diff --git a/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop b/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
index bcbe21a483..8540c3dcfc 100644
--- a/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
+++ b/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
@@ -445,6 +445,28 @@ prop {
     prop_name: "ro.surface_flinger.enable_frame_rate_override"
 }
 
+# Limits the frame rate override feature (enable_frame_rate_override) to override the refresh rate
+# to native display refresh rates only. Before introducing this flag, native display refresh rates
+# was the default behaviour. With this flag we can control which behaviour we want explicitly.
+# This flag is introduced as a fail-safe mechanism and planned to be defaulted to false.
+prop {
+    api_name: "frame_rate_override_for_native_rates"
+    type: Boolean
+    scope: Public
+    access: Readonly
+    prop_name: "ro.surface_flinger.frame_rate_override_for_native_rates"
+}
+
+# Enables the frame rate override feature (enable_frame_rate_override) to
+# override the frame rate globally instead of only for individual apps.
+prop {
+    api_name: "frame_rate_override_global"
+    type: Boolean
+    scope: Public
+    access: Readonly
+    prop_name: "ro.surface_flinger.frame_rate_override_global"
+}
+
 # Enables Layer Caching
 prop {
     api_name: "enable_layer_caching"
diff --git a/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt b/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
index 348a462038..93381333a8 100644
--- a/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
+++ b/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
@@ -61,6 +61,14 @@ props {
     prop_name: "ro.surface_flinger.force_hwc_copy_for_virtual_displays"
   }
   prop {
+    api_name: "frame_rate_override_for_native_rates"
+    prop_name: "ro.surface_flinger.frame_rate_override_for_native_rates"
+  }
+  prop {
+    api_name: "frame_rate_override_global"
+    prop_name: "ro.surface_flinger.frame_rate_override_global"
+  }
+  prop {
     api_name: "has_HDR_display"
     prop_name: "ro.surface_flinger.has_HDR_display"
   }
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index 507601b4e0..bd6367d672 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -23,7 +23,10 @@ package {
 
 cc_test {
     name: "SurfaceFlinger_test",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "surfaceflinger_defaults",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "BootDisplayMode_test.cpp",
@@ -34,6 +37,7 @@ cc_test {
         "DisplayConfigs_test.cpp",
         "DisplayEventReceiver_test.cpp",
         "EffectLayer_test.cpp",
+        "LayerBorder_test.cpp",
         "InvalidHandles_test.cpp",
         "LayerCallback_test.cpp",
         "LayerRenderTypeTransaction_test.cpp",
@@ -52,18 +56,15 @@ cc_test {
         "SetFrameRateOverride_test.cpp",
         "SetGeometry_test.cpp",
         "Stress_test.cpp",
-        "SurfaceInterceptor_test.cpp",
         "VirtualDisplay_test.cpp",
         "WindowInfosListener_test.cpp",
     ],
     data: ["SurfaceFlinger_test.filter"],
     static_libs: [
-        "libtrace_proto",
         "liblayers_proto",
         "android.hardware.graphics.composer@2.1",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V4-ndk",
         "android.hardware.graphics.common@1.2",
         "libandroid",
         "libbase",
@@ -125,7 +126,6 @@ cc_test {
 }
 
 subdirs = [
-    "fakehwc",
     "hwc2",
     "unittests",
     "utils",
diff --git a/services/surfaceflinger/tests/BootDisplayMode_test.cpp b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
index d70908e390..f2874ae0e1 100644
--- a/services/surfaceflinger/tests/BootDisplayMode_test.cpp
+++ b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
@@ -18,6 +18,7 @@
 
 #include <gtest/gtest.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
 #include <private/gui/ComposerServiceAIDL.h>
@@ -25,27 +26,34 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
+
 TEST(BootDisplayModeTest, setBootDisplayMode) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    sp<gui::ISurfaceComposer> sf_aidl(ComposerServiceAIDL::getComposerService());
-    auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+    auto displayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     bool bootModeSupport = false;
-    binder::Status status = sf_aidl->getBootDisplayModeSupport(&bootModeSupport);
-    ASSERT_NO_FATAL_FAILURE(status.transactionError());
+    binder::Status status = sf->getBootDisplayModeSupport(&bootModeSupport);
+    ASSERT_NO_FATAL_FAILURE(statusTFromBinderStatus(status));
     if (bootModeSupport) {
-        ASSERT_EQ(NO_ERROR, sf->setBootDisplayMode(displayToken, 0));
+        status = sf->setBootDisplayMode(displayToken, 0);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 }
 
 TEST(BootDisplayModeTest, clearBootDisplayMode) {
     sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
-    auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+    auto displayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     bool bootModeSupport = false;
     binder::Status status = sf->getBootDisplayModeSupport(&bootModeSupport);
-    ASSERT_NO_FATAL_FAILURE(status.transactionError());
+    ASSERT_NO_FATAL_FAILURE(statusTFromBinderStatus(status));
     if (bootModeSupport) {
         status = sf->clearBootDisplayMode(displayToken);
-        ASSERT_EQ(NO_ERROR, status.transactionError());
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 }
 
diff --git a/services/surfaceflinger/tests/BufferGenerator.cpp b/services/surfaceflinger/tests/BufferGenerator.cpp
index 47a150dd35..d74bd55987 100644
--- a/services/surfaceflinger/tests/BufferGenerator.cpp
+++ b/services/surfaceflinger/tests/BufferGenerator.cpp
@@ -70,12 +70,13 @@ public:
         consumer->setDefaultBufferSize(width, height);
         consumer->setDefaultBufferFormat(format);
 
-        mBufferItemConsumer = new BufferItemConsumer(consumer, GraphicBuffer::USAGE_HW_TEXTURE);
+        mBufferItemConsumer =
+                sp<BufferItemConsumer>::make(consumer, GraphicBuffer::USAGE_HW_TEXTURE);
 
-        mListener = new BufferListener(consumer, callback);
+        mListener = sp<BufferListener>::make(consumer, callback);
         mBufferItemConsumer->setFrameAvailableListener(mListener);
 
-        mSurface = new Surface(producer, true);
+        mSurface = sp<Surface>::make(producer, true);
     }
 
     /* Used by Egl manager. The surface is never displayed. */
@@ -364,7 +365,7 @@ status_t BufferGenerator::get(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence)
         *outBuffer = mGraphicBuffer;
     }
     if (outFence) {
-        *outFence = new Fence(mFence);
+        *outFence = sp<Fence>::make(mFence);
     } else {
         close(mFence);
     }
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index 434c297cc9..4a45eb5586 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -18,13 +18,14 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+#include <android/gui/ISurfaceComposer.h>
 #include <gtest/gtest.h>
-#include <gui/ISurfaceComposer.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/android_filesystem_config.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <utils/String8.h>
@@ -34,6 +35,8 @@
 namespace android {
 
 using Transaction = SurfaceComposerClient::Transaction;
+using gui::LayerDebugInfo;
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::ColorMode;
 
 namespace {
@@ -67,12 +70,30 @@ protected:
     sp<SurfaceControl> mVirtualSurfaceControl;
 
     void initClient() {
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
     }
 
+    static sp<IBinder> getFirstDisplayToken() {
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        if (ids.empty()) {
+            return nullptr;
+        }
+
+        return SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
+    }
+
+    static std::optional<uint64_t> getFirstDisplayId() {
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        if (ids.empty()) {
+            return std::nullopt;
+        }
+
+        return ids.front().value;
+    }
+
     void setupBackgroundSurface() {
-        mDisplay = SurfaceComposerClient::getInternalDisplayToken();
+        mDisplay = getFirstDisplayToken();
         ASSERT_FALSE(mDisplay == nullptr);
 
         ui::DisplayMode mode;
@@ -149,45 +170,39 @@ TEST_F(CredentialsTest, ClientInitTest) {
     // Anyone else can init the client.
     {
         UIDFaker f(AID_BIN);
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_NO_FATAL_FAILURE(initClient());
     }
 }
 
 TEST_F(CredentialsTest, GetBuiltInDisplayAccessTest) {
-    std::function<bool()> condition = [] {
-        return SurfaceComposerClient::getInternalDisplayToken() != nullptr;
-    };
+    std::function<bool()> condition = [] { return getFirstDisplayToken() != nullptr; };
     // Anyone can access display information.
-    ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, true));
+    ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
 }
 
 TEST_F(CredentialsTest, AllowedGetterMethodsTest) {
     // The following methods are tested with a UID that is not root, graphics,
     // or system, to show that anyone can access them.
     UIDFaker f(AID_BIN);
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
-    ASSERT_TRUE(display != nullptr);
-
-    ui::DisplayMode mode;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-
-    Vector<ui::DisplayMode> modes;
+    const auto id = getFirstDisplayId();
+    ASSERT_TRUE(id);
     ui::DynamicDisplayInfo info;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
+    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfoFromId(*id, &info));
 }
 
 TEST_F(CredentialsTest, GetDynamicDisplayInfoTest) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto id = getFirstDisplayId();
+    ASSERT_TRUE(id);
     std::function<status_t()> condition = [=]() {
         ui::DynamicDisplayInfo info;
-        return SurfaceComposerClient::getDynamicDisplayInfo(display, &info);
+        return SurfaceComposerClient::getDynamicDisplayInfoFromId(*id, &info);
     };
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, NO_ERROR));
 }
 
 TEST_F(CredentialsTest, GetDisplayNativePrimariesTest) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto display = getFirstDisplayToken();
     std::function<status_t()> condition = [=]() {
         ui::DisplayPrimaries primaries;
         return SurfaceComposerClient::getDisplayNativePrimaries(display, primaries);
@@ -196,30 +211,19 @@ TEST_F(CredentialsTest, GetDisplayNativePrimariesTest) {
 }
 
 TEST_F(CredentialsTest, SetDesiredDisplayConfigsTest) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
-    ui::DisplayModeId defaultMode;
-    bool allowGroupSwitching;
-    float primaryFpsMin;
-    float primaryFpsMax;
-    float appRequestFpsMin;
-    float appRequestFpsMax;
-    status_t res =
-            SurfaceComposerClient::getDesiredDisplayModeSpecs(display, &defaultMode,
-                                                              &allowGroupSwitching, &primaryFpsMin,
-                                                              &primaryFpsMax, &appRequestFpsMin,
-                                                              &appRequestFpsMax);
+    const auto display = getFirstDisplayToken();
+    gui::DisplayModeSpecs specs;
+    status_t res = SurfaceComposerClient::getDesiredDisplayModeSpecs(display, &specs);
     ASSERT_EQ(res, NO_ERROR);
+    gui::DisplayModeSpecs setSpecs;
     std::function<status_t()> condition = [=]() {
-        return SurfaceComposerClient::setDesiredDisplayModeSpecs(display, defaultMode,
-                                                                 allowGroupSwitching, primaryFpsMin,
-                                                                 primaryFpsMax, appRequestFpsMin,
-                                                                 appRequestFpsMax);
+        return SurfaceComposerClient::setDesiredDisplayModeSpecs(display, specs);
     };
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
 }
 
 TEST_F(CredentialsTest, SetActiveColorModeTest) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto display = getFirstDisplayToken();
     std::function<status_t()> condition = [=]() {
         return SurfaceComposerClient::setActiveColorMode(display, ui::ColorMode::NATIVE);
     };
@@ -271,7 +275,7 @@ TEST_F(CredentialsTest, CreateDisplayTest) {
 }
 
 TEST_F(CredentialsTest, CaptureTest) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto display = getFirstDisplayToken();
     std::function<status_t()> condition = [=]() {
         sp<GraphicBuffer> outBuffer;
         DisplayCaptureArgs captureArgs;
@@ -301,39 +305,45 @@ TEST_F(CredentialsTest, CaptureLayersTest) {
  */
 TEST_F(CredentialsTest, GetLayerDebugInfo) {
     setupBackgroundSurface();
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
 
     // Historically, only root and shell can access the getLayerDebugInfo which
     // is called when we call dumpsys. I don't see a reason why we should change this.
     std::vector<LayerDebugInfo> outLayers;
+    binder::Status status = binder::Status::ok();
     // Check with root.
     {
         UIDFaker f(AID_ROOT);
-        ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 
     // Check as a shell.
     {
         UIDFaker f(AID_SHELL);
-        ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 
     // Check as anyone else.
     {
         UIDFaker f(AID_BIN);
-        ASSERT_EQ(PERMISSION_DENIED, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(PERMISSION_DENIED, statusTFromBinderStatus(status));
     }
 }
 
 TEST_F(CredentialsTest, IsWideColorDisplayBasicCorrectness) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto display = getFirstDisplayToken();
     ASSERT_FALSE(display == nullptr);
     bool result = false;
     status_t error = SurfaceComposerClient::isWideColorDisplay(display, &result);
     ASSERT_EQ(NO_ERROR, error);
     bool hasWideColorMode = false;
+    const auto id = getFirstDisplayId();
+    ASSERT_TRUE(id);
     ui::DynamicDisplayInfo info;
-    SurfaceComposerClient::getDynamicDisplayInfo(display, &info);
+    SurfaceComposerClient::getDynamicDisplayInfoFromId(*id, &info);
     const auto& colorModes = info.supportedColorModes;
     for (ColorMode colorMode : colorModes) {
         switch (colorMode) {
@@ -350,7 +360,7 @@ TEST_F(CredentialsTest, IsWideColorDisplayBasicCorrectness) {
 }
 
 TEST_F(CredentialsTest, IsWideColorDisplayWithPrivileges) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto display = getFirstDisplayToken();
     ASSERT_FALSE(display == nullptr);
     std::function<status_t()> condition = [=]() {
         bool result = false;
@@ -360,10 +370,10 @@ TEST_F(CredentialsTest, IsWideColorDisplayWithPrivileges) {
 }
 
 TEST_F(CredentialsTest, GetActiveColorModeBasicCorrectness) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
-    ASSERT_FALSE(display == nullptr);
+    const auto id = getFirstDisplayId();
+    ASSERT_TRUE(id);
     ui::DynamicDisplayInfo info;
-    SurfaceComposerClient::getDynamicDisplayInfo(display, &info);
+    SurfaceComposerClient::getDynamicDisplayInfoFromId(*id, &info);
     ColorMode colorMode = info.activeColorMode;
     ASSERT_NE(static_cast<ColorMode>(BAD_VALUE), colorMode);
 }
diff --git a/services/surfaceflinger/tests/DisplayConfigs_test.cpp b/services/surfaceflinger/tests/DisplayConfigs_test.cpp
index 2dc96b8511..4be961bda1 100644
--- a/services/surfaceflinger/tests/DisplayConfigs_test.cpp
+++ b/services/surfaceflinger/tests/DisplayConfigs_test.cpp
@@ -39,105 +39,71 @@ namespace android {
  */
 class RefreshRateRangeTest : public ::testing::Test {
 private:
-    ui::DisplayModeId initialDefaultMode;
-    bool initialAllowGroupSwitching;
-    float initialPrimaryMin;
-    float initialPrimaryMax;
-    float initialAppRequestMin;
-    float initialAppRequestMax;
+    gui::DisplayModeSpecs mSpecs;
 
 protected:
     void SetUp() override {
-        mDisplayToken = SurfaceComposerClient::getInternalDisplayToken();
-        status_t res =
-                SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken,
-                                                                  &initialDefaultMode,
-                                                                  &initialAllowGroupSwitching,
-                                                                  &initialPrimaryMin,
-                                                                  &initialPrimaryMax,
-                                                                  &initialAppRequestMin,
-                                                                  &initialAppRequestMax);
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        mDisplayId = ids.front().value;
+        mDisplayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
+        status_t res = SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken, &mSpecs);
         ASSERT_EQ(res, NO_ERROR);
     }
 
     void TearDown() override {
-        status_t res =
-                SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, initialDefaultMode,
-                                                                  initialAllowGroupSwitching,
-                                                                  initialPrimaryMin,
-                                                                  initialPrimaryMax,
-                                                                  initialAppRequestMin,
-                                                                  initialAppRequestMax);
+        status_t res = SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, mSpecs);
         ASSERT_EQ(res, NO_ERROR);
     }
 
     void testSetAllowGroupSwitching(bool allowGroupSwitching);
 
     sp<IBinder> mDisplayToken;
+    uint64_t mDisplayId;
 };
 
 TEST_F(RefreshRateRangeTest, setAllConfigs) {
     ui::DynamicDisplayInfo info;
-    status_t res = SurfaceComposerClient::getDynamicDisplayInfo(mDisplayToken, &info);
+    status_t res =
+            SurfaceComposerClient::getDynamicDisplayInfoFromId(static_cast<int64_t>(mDisplayId),
+                                                               &info);
     const auto& modes = info.supportedDisplayModes;
     ASSERT_EQ(res, NO_ERROR);
     ASSERT_GT(modes.size(), 0);
 
+    gui::DisplayModeSpecs setSpecs;
+    setSpecs.allowGroupSwitching = false;
     for (size_t i = 0; i < modes.size(); i++) {
-        res = SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, modes[i].id, false,
-                                                                modes[i].refreshRate,
-                                                                modes[i].refreshRate,
-                                                                modes[i].refreshRate,
-                                                                modes[i].refreshRate);
+        setSpecs.defaultMode = modes[i].id;
+        setSpecs.primaryRanges.physical.min = modes[i].refreshRate;
+        setSpecs.primaryRanges.physical.max = modes[i].refreshRate;
+        setSpecs.primaryRanges.render = setSpecs.primaryRanges.physical;
+        setSpecs.appRequestRanges = setSpecs.primaryRanges;
+        res = SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, setSpecs);
         ASSERT_EQ(res, NO_ERROR);
 
-        ui::DisplayModeId defaultConfig;
-        bool allowGroupSwitching;
-        float primaryRefreshRateMin;
-        float primaryRefreshRateMax;
-        float appRequestRefreshRateMin;
-        float appRequestRefreshRateMax;
-        res = SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken, &defaultConfig,
-                                                                &allowGroupSwitching,
-                                                                &primaryRefreshRateMin,
-                                                                &primaryRefreshRateMax,
-                                                                &appRequestRefreshRateMin,
-                                                                &appRequestRefreshRateMax);
+        gui::DisplayModeSpecs getSpecs;
+        res = SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken, &getSpecs);
         ASSERT_EQ(res, NO_ERROR);
-        ASSERT_EQ(defaultConfig, i);
-        ASSERT_EQ(allowGroupSwitching, false);
-        ASSERT_EQ(primaryRefreshRateMin, modes[i].refreshRate);
-        ASSERT_EQ(primaryRefreshRateMax, modes[i].refreshRate);
-        ASSERT_EQ(appRequestRefreshRateMin, modes[i].refreshRate);
-        ASSERT_EQ(appRequestRefreshRateMax, modes[i].refreshRate);
+        ASSERT_EQ(setSpecs, getSpecs);
     }
 }
 
 void RefreshRateRangeTest::testSetAllowGroupSwitching(bool allowGroupSwitching) {
-    status_t res =
-            SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, 0, allowGroupSwitching,
-                                                              0.f, 90.f, 0.f, 90.f);
+    gui::DisplayModeSpecs setSpecs;
+    setSpecs.defaultMode = 0;
+    setSpecs.allowGroupSwitching = allowGroupSwitching;
+    setSpecs.primaryRanges.physical.min = 0;
+    setSpecs.primaryRanges.physical.max = 90;
+    setSpecs.primaryRanges.render = setSpecs.primaryRanges.physical;
+    setSpecs.appRequestRanges = setSpecs.primaryRanges;
+
+    status_t res = SurfaceComposerClient::setDesiredDisplayModeSpecs(mDisplayToken, setSpecs);
     ASSERT_EQ(res, NO_ERROR);
-    ui::DisplayModeId defaultConfig;
-    bool newAllowGroupSwitching;
-    float primaryRefreshRateMin;
-    float primaryRefreshRateMax;
-    float appRequestRefreshRateMin;
-    float appRequestRefreshRateMax;
-
-    res = SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken, &defaultConfig,
-                                                            &newAllowGroupSwitching,
-                                                            &primaryRefreshRateMin,
-                                                            &primaryRefreshRateMax,
-                                                            &appRequestRefreshRateMin,
-                                                            &appRequestRefreshRateMax);
+    gui::DisplayModeSpecs getSpecs;
+    res = SurfaceComposerClient::getDesiredDisplayModeSpecs(mDisplayToken, &getSpecs);
     ASSERT_EQ(res, NO_ERROR);
-    ASSERT_EQ(defaultConfig, 0);
-    ASSERT_EQ(newAllowGroupSwitching, allowGroupSwitching);
-    ASSERT_EQ(primaryRefreshRateMin, 0.f);
-    ASSERT_EQ(primaryRefreshRateMax, 90.f);
-    ASSERT_EQ(appRequestRefreshRateMin, 0.f);
-    ASSERT_EQ(appRequestRefreshRateMax, 90.f);
+    ASSERT_EQ(setSpecs, getSpecs);
 }
 
 TEST_F(RefreshRateRangeTest, setAllowGroupSwitching) {
@@ -149,4 +115,4 @@ TEST_F(RefreshRateRangeTest, setAllowGroupSwitching) {
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
\ No newline at end of file
+#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp b/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
index 0e54664f77..0df7e2fafa 100644
--- a/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
+++ b/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
@@ -36,7 +36,8 @@ TEST_F(DisplayEventReceiverTest, getLatestVsyncEventData) {
     EXPECT_GT(vsyncEventData.frameTimelines[0].deadlineTimestamp, now)
             << "Deadline timestamp should be greater than frame time";
     for (size_t i = 0; i < VsyncEventData::kFrameTimelinesLength; i++) {
-        EXPECT_NE(FrameTimelineInfo::INVALID_VSYNC_ID, vsyncEventData.frameTimelines[i].vsyncId);
+        EXPECT_NE(gui::FrameTimelineInfo::INVALID_VSYNC_ID,
+                  vsyncEventData.frameTimelines[i].vsyncId);
         EXPECT_GT(vsyncEventData.frameTimelines[i].expectedPresentationTime,
                   vsyncEventData.frameTimelines[i].deadlineTimestamp)
                 << "Expected vsync timestamp should be greater than deadline";
@@ -51,4 +52,4 @@ TEST_F(DisplayEventReceiverTest, getLatestVsyncEventData) {
     }
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/tests/EffectLayer_test.cpp b/services/surfaceflinger/tests/EffectLayer_test.cpp
index 9fa0452915..52aa502743 100644
--- a/services/surfaceflinger/tests/EffectLayer_test.cpp
+++ b/services/surfaceflinger/tests/EffectLayer_test.cpp
@@ -28,7 +28,9 @@ protected:
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(display == nullptr);
 
         mParentLayer = createColorLayer("Parent layer", Color::RED);
@@ -177,7 +179,9 @@ TEST_F(EffectLayerTest, BlurEffectLayerIsVisible) {
 }
 
 TEST_F(EffectLayerTest, EffectLayerWithColorNoCrop) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+    const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     ui::DisplayMode mode;
     ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
     const ui::Size& resolution = mode.resolution;
diff --git a/services/surfaceflinger/tests/IPC_test.cpp b/services/surfaceflinger/tests/IPC_test.cpp
index ce94dab907..40a5d5757d 100644
--- a/services/surfaceflinger/tests/IPC_test.cpp
+++ b/services/surfaceflinger/tests/IPC_test.cpp
@@ -136,7 +136,7 @@ public:
     }
 
     status_t initClient() override {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         auto err = mClient->initCheck();
         return err;
     }
@@ -221,10 +221,12 @@ public:
         ProcessState::self()->startThreadPool();
     }
     void SetUp() {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        mPrimaryDisplay = mClient->getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        mPrimaryDisplay = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ui::DisplayMode mode;
         mClient->getActiveDisplayMode(mPrimaryDisplay, &mode);
         mDisplayWidth = mode.resolution.getWidth();
diff --git a/services/surfaceflinger/tests/InvalidHandles_test.cpp b/services/surfaceflinger/tests/InvalidHandles_test.cpp
index d192a2d83d..666ce76c6b 100644
--- a/services/surfaceflinger/tests/InvalidHandles_test.cpp
+++ b/services/surfaceflinger/tests/InvalidHandles_test.cpp
@@ -42,13 +42,13 @@ protected:
     sp<SurfaceComposerClient> mScc;
     sp<SurfaceControl> mNotSc;
     void SetUp() override {
-        mScc = new SurfaceComposerClient;
+        mScc = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mScc->initCheck());
         mNotSc = makeNotSurfaceControl();
     }
 
     sp<SurfaceControl> makeNotSurfaceControl() {
-        return new SurfaceControl(mScc, new NotALayer(), nullptr, true);
+        return sp<SurfaceControl>::make(mScc, sp<NotALayer>::make(), 1, "#1");
     }
 };
 
@@ -64,4 +64,4 @@ TEST_F(InvalidHandleTest, captureLayersInvalidHandle) {
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
\ No newline at end of file
+#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/LayerBorder_test.cpp b/services/surfaceflinger/tests/LayerBorder_test.cpp
new file mode 100644
index 0000000000..00e134b4d2
--- /dev/null
+++ b/services/surfaceflinger/tests/LayerBorder_test.cpp
@@ -0,0 +1,287 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+// TODO: Amend all tests when screenshots become fully reworked for borders
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+
+#include <chrono> // std::chrono::seconds
+#include <thread> // std::this_thread::sleep_for
+#include "LayerTransactionTest.h"
+
+namespace android {
+
+class LayerBorderTest : public LayerTransactionTest {
+protected:
+    virtual void SetUp() {
+        LayerTransactionTest::SetUp();
+        ASSERT_EQ(NO_ERROR, mClient->initCheck());
+
+        toHalf3 = ColorTransformHelper::toHalf3;
+        toHalf4 = ColorTransformHelper::toHalf4;
+
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
+        ASSERT_FALSE(display == nullptr);
+        mColorOrange = toHalf4({255, 140, 0, 255});
+        mParentLayer = createColorLayer("Parent layer", Color::RED);
+
+        mContainerLayer = mClient->createSurface(String8("Container Layer"), 0 /* width */,
+                                                 0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                                 ISurfaceComposerClient::eFXSurfaceContainer |
+                                                         ISurfaceComposerClient::eNoColorFill,
+                                                 mParentLayer->getHandle());
+        EXPECT_NE(nullptr, mContainerLayer.get()) << "failed to create container layer";
+
+        mEffectLayer1 = mClient->createSurface(String8("Effect Layer"), 0 /* width */,
+                                               0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                               ISurfaceComposerClient::eFXSurfaceEffect |
+                                                       ISurfaceComposerClient::eNoColorFill,
+                                               mContainerLayer->getHandle());
+        EXPECT_NE(nullptr, mEffectLayer1.get()) << "failed to create effect layer 1";
+
+        mEffectLayer2 = mClient->createSurface(String8("Effect Layer"), 0 /* width */,
+                                               0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                               ISurfaceComposerClient::eFXSurfaceEffect |
+                                                       ISurfaceComposerClient::eNoColorFill,
+                                               mContainerLayer->getHandle());
+
+        EXPECT_NE(nullptr, mEffectLayer2.get()) << "failed to create effect layer 2";
+
+        asTransaction([&](Transaction& t) {
+            t.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
+            t.setLayer(mParentLayer, INT32_MAX - 20).show(mParentLayer);
+            t.setFlags(mParentLayer, layer_state_t::eLayerOpaque, layer_state_t::eLayerOpaque);
+
+            t.setColor(mEffectLayer1, toHalf3(Color::BLUE));
+
+            t.setColor(mEffectLayer2, toHalf3(Color::GREEN));
+        });
+    }
+
+    virtual void TearDown() {
+        // Uncomment the line right below when running any of the tests
+        // std::this_thread::sleep_for (std::chrono::seconds(30));
+        LayerTransactionTest::TearDown();
+        mParentLayer = 0;
+    }
+
+    std::function<half3(Color)> toHalf3;
+    std::function<half4(Color)> toHalf4;
+    sp<SurfaceControl> mParentLayer, mContainerLayer, mEffectLayer1, mEffectLayer2;
+    half4 mColorOrange;
+};
+
+TEST_F(LayerBorderTest, OverlappingVisibleRegions) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, PartiallyCoveredVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, NonOverlappingVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 200, 200));
+        t.setCrop(mEffectLayer2, Rect(400, 400, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, EmptyVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(200, 200, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(0, 0, 600, 600));
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, ZOrderAdjustment) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setLayer(mParentLayer, 10);
+        t.setLayer(mEffectLayer1, 30);
+        t.setLayer(mEffectLayer2, 20);
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, GrandChildHierarchy) {
+    sp<SurfaceControl> containerLayer2 =
+            mClient->createSurface(String8("Container Layer"), 0 /* width */, 0 /* height */,
+                                   PIXEL_FORMAT_RGBA_8888,
+                                   ISurfaceComposerClient::eFXSurfaceContainer |
+                                           ISurfaceComposerClient::eNoColorFill,
+                                   mContainerLayer->getHandle());
+    EXPECT_NE(nullptr, containerLayer2.get()) << "failed to create container layer 2";
+
+    sp<SurfaceControl> effectLayer3 =
+            mClient->createSurface(String8("Effect Layer"), 0 /* width */, 0 /* height */,
+                                   PIXEL_FORMAT_RGBA_8888,
+                                   ISurfaceComposerClient::eFXSurfaceEffect |
+                                           ISurfaceComposerClient::eNoColorFill,
+                                   containerLayer2->getHandle());
+
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setCrop(effectLayer3, Rect(400, 400, 800, 800));
+        t.setColor(effectLayer3, toHalf3(Color::BLUE));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(effectLayer3);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, TransparentAlpha) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setAlpha(mEffectLayer1, 0.0f);
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, SemiTransparentAlpha) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setAlpha(mEffectLayer2, 0.5f);
+
+        t.enableBorder(mEffectLayer2, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, InvisibleLayers) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.hide(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, LayerWithBuffer) {
+    asTransaction([&](Transaction& t) {
+        t.hide(mEffectLayer1);
+        t.hide(mEffectLayer2);
+        t.show(mContainerLayer);
+
+        sp<SurfaceControl> layer =
+                mClient->createSurface(String8("BufferState"), 0 /* width */, 0 /* height */,
+                                       PIXEL_FORMAT_RGBA_8888,
+                                       ISurfaceComposerClient::eFXSurfaceBufferState,
+                                       mContainerLayer->getHandle());
+
+        sp<GraphicBuffer> buffer =
+                sp<GraphicBuffer>::make(400u, 400u, PIXEL_FORMAT_RGBA_8888, 1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
+        TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 200, 200), Color::GREEN);
+        TransactionUtils::fillGraphicBufferColor(buffer, Rect(200, 200, 400, 400), Color::BLUE);
+
+        t.setBuffer(layer, buffer);
+        t.setPosition(layer, 100, 100);
+        t.show(layer);
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomWidth) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 50, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomColor) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, toHalf4({255, 0, 255, 255}));
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomWidthAndColorAndOpacity) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 200, 200));
+        t.setCrop(mEffectLayer2, Rect(400, 400, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 40, toHalf4({255, 255, 0, 128}));
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+} // namespace android
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/LayerCallback_test.cpp b/services/surfaceflinger/tests/LayerCallback_test.cpp
index 219db8c148..26dbc76c3c 100644
--- a/services/surfaceflinger/tests/LayerCallback_test.cpp
+++ b/services/surfaceflinger/tests/LayerCallback_test.cpp
@@ -51,7 +51,7 @@ public:
         LayerTransactionTest::TearDown();
     }
 
-    virtual sp<SurfaceControl> createBufferStateLayer() {
+    virtual sp<SurfaceControl> createLayerWithBuffer() {
         return createLayer(mClient, "test", 0, 0, ISurfaceComposerClient::eFXSurfaceBufferState);
     }
 
@@ -164,7 +164,7 @@ public:
 
 TEST_F(LayerCallbackTest, BufferColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -183,7 +183,7 @@ TEST_F(LayerCallbackTest, BufferColor) {
 
 TEST_F(LayerCallbackTest, NoBufferNoColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -206,7 +206,7 @@ TEST_F(LayerCallbackTest, NoBufferNoColor) {
 
 TEST_F(LayerCallbackTest, BufferNoColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -228,7 +228,7 @@ TEST_F(LayerCallbackTest, BufferNoColor) {
 
 TEST_F(LayerCallbackTest, NoBufferColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -266,7 +266,7 @@ TEST_F(LayerCallbackTest, NoStateChange) {
 
 TEST_F(LayerCallbackTest, OffScreen) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -288,8 +288,8 @@ TEST_F(LayerCallbackTest, OffScreen) {
 
 TEST_F(LayerCallbackTest, MergeBufferNoColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -322,8 +322,8 @@ TEST_F(LayerCallbackTest, MergeBufferNoColor) {
 
 TEST_F(LayerCallbackTest, MergeNoBufferColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -357,8 +357,8 @@ TEST_F(LayerCallbackTest, MergeNoBufferColor) {
 
 TEST_F(LayerCallbackTest, MergeOneBufferOneColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -392,8 +392,8 @@ TEST_F(LayerCallbackTest, MergeOneBufferOneColor) {
 }
 TEST_F(LayerCallbackTest, Merge_SameCallback) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback;
@@ -418,7 +418,7 @@ TEST_F(LayerCallbackTest, Merge_SameCallback) {
 
 TEST_F(LayerCallbackTest, Merge_SameLayer) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -442,8 +442,8 @@ TEST_F(LayerCallbackTest, Merge_SameLayer) {
 }
 
 TEST_F(LayerCallbackTest, Merge_DifferentClients) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
 
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
@@ -485,7 +485,7 @@ TEST_F(LayerCallbackTest, Merge_DifferentClients) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -510,7 +510,7 @@ TEST_F(LayerCallbackTest, MultipleTransactions) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions_NoStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -541,7 +541,7 @@ TEST_F(LayerCallbackTest, MultipleTransactions_NoStateChange) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SameStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -579,8 +579,8 @@ TEST_F(LayerCallbackTest, MultipleTransactions_SameStateChange) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -620,8 +620,8 @@ TEST_F(LayerCallbackTest, MultipleTransactions_Merge) {
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
 
@@ -669,8 +669,8 @@ TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients) {
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_NoStateChange) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
 
@@ -730,8 +730,8 @@ TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_NoStateCha
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_SameStateChange) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
 
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
@@ -799,7 +799,7 @@ TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_SameStateC
 // TODO (b/183181768): Fix & re-enable
 TEST_F(LayerCallbackTest, DISABLED_MultipleTransactions_SingleFrame) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -823,7 +823,7 @@ TEST_F(LayerCallbackTest, DISABLED_MultipleTransactions_SingleFrame) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_NoStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     // Normal call to set up test
     Transaction transaction;
@@ -858,7 +858,7 @@ TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_NoStateChange) {
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_SameStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     // Normal call to set up test
     Transaction transaction;
@@ -901,7 +901,7 @@ TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_SameStateChange) {
 
 TEST_F(LayerCallbackTest, DesiredPresentTime) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -925,7 +925,7 @@ TEST_F(LayerCallbackTest, DesiredPresentTime) {
 
 TEST_F(LayerCallbackTest, DesiredPresentTime_Multiple) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback1;
@@ -971,7 +971,7 @@ TEST_F(LayerCallbackTest, DesiredPresentTime_Multiple) {
 // TODO (b/183181768): Fix & re-enable
 TEST_F(LayerCallbackTest, DISABLED_DesiredPresentTime_OutOfOrder) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback1;
@@ -1015,7 +1015,7 @@ TEST_F(LayerCallbackTest, DISABLED_DesiredPresentTime_OutOfOrder) {
 
 TEST_F(LayerCallbackTest, DesiredPresentTime_Past) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1039,7 +1039,7 @@ TEST_F(LayerCallbackTest, DesiredPresentTime_Past) {
 
 TEST_F(LayerCallbackTest, ExpectedPresentTime) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1050,7 +1050,10 @@ TEST_F(LayerCallbackTest, ExpectedPresentTime) {
     }
 
     const Vsync vsync = waitForNextVsync();
-    transaction.setFrameTimelineInfo({vsync.vsyncId, 0});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = vsync.vsyncId;
+    ftInfo.inputEventId = 0;
+    transaction.setFrameTimelineInfo(ftInfo);
     transaction.apply();
 
     ExpectedResult expected;
@@ -1062,8 +1065,8 @@ TEST_F(LayerCallbackTest, ExpectedPresentTime) {
 // b202394221
 TEST_F(LayerCallbackTest, EmptyBufferStateChanges) {
     sp<SurfaceControl> bufferLayer, emptyBufferLayer;
-    ASSERT_NO_FATAL_FAILURE(bufferLayer = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(emptyBufferLayer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(emptyBufferLayer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1117,7 +1120,7 @@ TEST_F(LayerCallbackTest, DISABLED_NonBufferLayerStateChanges) {
 
 TEST_F(LayerCallbackTest, CommitCallbackOffscreenLayer) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
     sp<SurfaceControl> offscreenLayer =
             createSurface(mClient, "Offscreen Layer", 0, 0, PIXEL_FORMAT_RGBA_8888,
                           ISurfaceComposerClient::eFXSurfaceBufferState, layer.get());
@@ -1148,7 +1151,7 @@ TEST_F(LayerCallbackTest, CommitCallbackOffscreenLayer) {
 
 TEST_F(LayerCallbackTest, TransactionCommittedCallback_BSL) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
diff --git a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
index 0e2bc3df0e..bf7cae9091 100644
--- a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
@@ -328,7 +328,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintBasic_BufferState
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
 
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, top, Color::TRANSPARENT));
@@ -352,7 +352,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintBasic_BufferState
         shot->expectColor(bottom, Color::BLACK);
     }
 
-    buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+    buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
 
     ASSERT_NO_FATAL_FAILURE(TransactionUtils::fillGraphicBufferColor(buffer, top, Color::RED));
     ASSERT_NO_FATAL_FAILURE(
@@ -399,7 +399,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintOutOfBounds_Buffe
             .apply();
     ASSERT_NO_FATAL_FAILURE(
             fillBufferQueueLayerColor(layerTransparent, Color::TRANSPARENT, 32, 32));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layerR, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layerR, Color::RED, 32, 32));
     getScreenCapture()->expectColor(Rect(16, 16, 48, 48), Color::RED);
 }
 
@@ -482,7 +482,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetColorBasic) {
     }
 }
 
-// RED: Color layer base color and BufferQueueLayer/BufferStateLayer fill
+// RED: Color layer base color and Layer buffer fill
 // BLUE: prior background color
 // GREEN: final background color
 // BLACK: no color or fill
@@ -516,7 +516,7 @@ void LayerRenderTypeTransactionTest::setBackgroundColorHelper(uint32_t layerType
         case ISurfaceComposerClient::eFXSurfaceBufferState:
             ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height, layerType));
             if (bufferFill) {
-                ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, fillColor, width, height));
+                ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, fillColor, width, height));
                 expectedColor = fillColor;
             }
             Transaction().setCrop(layer, Rect(0, 0, width, height)).apply();
@@ -832,7 +832,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetCropBasic_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     const Rect crop(8, 8, 24, 24);
 
     Transaction().setCrop(layer, crop).apply();
@@ -863,7 +863,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetCropEmpty_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("empty rect");
@@ -894,7 +894,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetCropOutOfBounds_BufferState) {
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 64, ISurfaceComposerClient::eFXSurfaceBufferState));
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 64, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32, 64, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 16), Color::BLUE);
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 16, 32, 64), Color::RED);
 
@@ -944,7 +944,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetCropWithTranslation_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     const Rect crop(8, 8, 24, 24);
     Transaction().setPosition(layer, 32, 32).setCrop(layer, crop).apply();
@@ -972,7 +972,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameBasic_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     const Rect frame(8, 8, 24, 24);
 
     Transaction t;
@@ -988,7 +988,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameEmpty_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     Transaction t;
     {
@@ -1014,7 +1014,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameDefaultParentless_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 10, 10));
 
     // A layer with a buffer will have a computed size that matches the buffer size.
     auto shot = getScreenCapture();
@@ -1026,11 +1026,11 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameDefaultBSParent_BufferState) {
     sp<SurfaceControl> parent, child;
     ASSERT_NO_FATAL_FAILURE(
             parent = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(parent, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(parent, Color::RED, 32, 32));
 
     ASSERT_NO_FATAL_FAILURE(
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
 
     Transaction().reparent(child, parent).apply();
 
@@ -1047,7 +1047,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameDefaultBQParent_BufferState) {
 
     ASSERT_NO_FATAL_FAILURE(
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
 
     Transaction().reparent(child, parent).apply();
 
@@ -1061,7 +1061,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameUpdate_BufferState) {
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     std::this_thread::sleep_for(500ms);
 
@@ -1080,9 +1080,9 @@ TEST_P(LayerRenderTypeTransactionTest, SetFrameOutsideBounds_BufferState) {
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
     Transaction().reparent(child, parent).apply();
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(parent, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(parent, Color::RED, 32, 32));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
     Rect childDst(0, 16, 32, 32);
     Transaction t;
     TransactionUtils::setFrame(t, child, Rect(0, 0, 10, 10), childDst);
@@ -1099,7 +1099,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferBasic_BufferState) {
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     auto shot = getScreenCapture();
     shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
@@ -1111,7 +1111,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleBuffers_BufferState) {
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 1");
@@ -1120,7 +1120,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleBuffers_BufferState) {
         shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLUE, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 2");
@@ -1129,7 +1129,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleBuffers_BufferState) {
         shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 3");
@@ -1148,7 +1148,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleLayers_BufferState) {
     ASSERT_NO_FATAL_FAILURE(
             layer2 = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer1, Color::RED, 64, 64));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer1, Color::RED, 64, 64));
 
     {
         SCOPED_TRACE("set layer 1 buffer red");
@@ -1156,7 +1156,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleLayers_BufferState) {
         shot->expectColor(Rect(0, 0, 64, 64), Color::RED);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer2, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer2, Color::BLUE, 32, 32));
 
     {
         SCOPED_TRACE("set layer 2 buffer blue");
@@ -1166,7 +1166,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleLayers_BufferState) {
         shot->expectColor(Rect(0, 32, 32, 64), Color::RED);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer1, Color::GREEN, 64, 64));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer1, Color::GREEN, 64, 64));
     {
         SCOPED_TRACE("set layer 1 buffer green");
         auto shot = getScreenCapture();
@@ -1175,7 +1175,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferMultipleLayers_BufferState) {
         shot->expectColor(Rect(0, 32, 32, 64), Color::GREEN);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer2, Color::WHITE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer2, Color::WHITE, 32, 32));
 
     {
         SCOPED_TRACE("set layer 2 buffer white");
@@ -1197,7 +1197,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferCaching_BufferState) {
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1230,7 +1230,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferCaching_LeastRecentlyUsed_Buffer
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1263,7 +1263,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetBufferCaching_DestroyedBuffer_BufferSt
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1344,7 +1344,7 @@ TEST_P(LayerRenderTypeTransactionTest, DISABLED_SetFenceBasic_BufferState) {
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     sp<Fence> fence;
@@ -1370,7 +1370,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetFenceNull_BufferState) {
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     sp<Fence> fence = Fence::NO_FENCE;
@@ -1388,7 +1388,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetDataspaceBasic_BufferState) {
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Transaction().setBuffer(layer, buffer).setDataspace(layer, ui::Dataspace::UNKNOWN).apply();
@@ -1404,7 +1404,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetHdrMetadataBasic_BufferState) {
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     HdrMetadata hdrMetadata;
@@ -1422,7 +1422,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetSurfaceDamageRegionBasic_BufferState)
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Region region;
@@ -1440,7 +1440,7 @@ TEST_P(LayerRenderTypeTransactionTest, SetApiBasic_BufferState) {
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Transaction().setBuffer(layer, buffer).setApi(layer, NATIVE_WINDOW_API_CPU).apply();
diff --git a/services/surfaceflinger/tests/LayerState_test.cpp b/services/surfaceflinger/tests/LayerState_test.cpp
index 094b0ffc0f..21813700a2 100644
--- a/services/surfaceflinger/tests/LayerState_test.cpp
+++ b/services/surfaceflinger/tests/LayerState_test.cpp
@@ -35,7 +35,7 @@ TEST(LayerStateTest, ParcellingDisplayCaptureArgs) {
     args.frameScaleX = 2;
     args.frameScaleY = 4;
     args.captureSecureLayers = true;
-    args.displayToken = new BBinder();
+    args.displayToken = sp<BBinder>::make();
     args.width = 10;
     args.height = 20;
     args.useIdentityTransform = true;
@@ -67,8 +67,8 @@ TEST(LayerStateTest, ParcellingLayerCaptureArgs) {
     args.frameScaleX = 2;
     args.frameScaleY = 4;
     args.captureSecureLayers = true;
-    args.layerHandle = new BBinder();
-    args.excludeHandles = {new BBinder(), new BBinder()};
+    args.layerHandle = sp<BBinder>::make();
+    args.excludeHandles = {sp<BBinder>::make(), sp<BBinder>::make()};
     args.childrenOnly = false;
     args.grayscale = true;
 
@@ -90,13 +90,12 @@ TEST(LayerStateTest, ParcellingLayerCaptureArgs) {
     ASSERT_EQ(args.grayscale, args2.grayscale);
 }
 
-TEST(LayerStateTest, ParcellingScreenCaptureResults) {
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithFence) {
     ScreenCaptureResults results;
-    results.buffer = new GraphicBuffer(100, 200, PIXEL_FORMAT_RGBA_8888, 1, 0);
-    results.fence = new Fence(dup(fileno(tmpfile())));
+    results.buffer = sp<GraphicBuffer>::make(100u, 200u, PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    results.fenceResult = sp<Fence>::make(dup(fileno(tmpfile())));
     results.capturedSecureLayers = true;
     results.capturedDataspace = ui::Dataspace::DISPLAY_P3;
-    results.result = BAD_VALUE;
 
     Parcel p;
     results.writeToParcel(&p);
@@ -110,10 +109,41 @@ TEST(LayerStateTest, ParcellingScreenCaptureResults) {
     ASSERT_EQ(results.buffer->getWidth(), results2.buffer->getWidth());
     ASSERT_EQ(results.buffer->getHeight(), results2.buffer->getHeight());
     ASSERT_EQ(results.buffer->getPixelFormat(), results2.buffer->getPixelFormat());
-    ASSERT_EQ(results.fence->isValid(), results2.fence->isValid());
+    ASSERT_TRUE(results.fenceResult.ok());
+    ASSERT_TRUE(results2.fenceResult.ok());
+    ASSERT_EQ(results.fenceResult.value()->isValid(), results2.fenceResult.value()->isValid());
     ASSERT_EQ(results.capturedSecureLayers, results2.capturedSecureLayers);
     ASSERT_EQ(results.capturedDataspace, results2.capturedDataspace);
-    ASSERT_EQ(results.result, results2.result);
+}
+
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithNoFenceOrError) {
+    ScreenCaptureResults results;
+
+    Parcel p;
+    results.writeToParcel(&p);
+    p.setDataPosition(0);
+
+    ScreenCaptureResults results2;
+    results2.readFromParcel(&p);
+
+    ASSERT_TRUE(results2.fenceResult.ok());
+    ASSERT_EQ(results2.fenceResult.value(), Fence::NO_FENCE);
+}
+
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithFenceError) {
+    ScreenCaptureResults results;
+    results.fenceResult = base::unexpected(BAD_VALUE);
+
+    Parcel p;
+    results.writeToParcel(&p);
+    p.setDataPosition(0);
+
+    ScreenCaptureResults results2;
+    results2.readFromParcel(&p);
+
+    ASSERT_FALSE(results.fenceResult.ok());
+    ASSERT_FALSE(results2.fenceResult.ok());
+    ASSERT_EQ(results.fenceResult.error(), results2.fenceResult.error());
 }
 
 } // namespace test
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
index 6bd7920a62..badd5bebbc 100644
--- a/services/surfaceflinger/tests/LayerTransactionTest.h
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -23,9 +23,11 @@
 
 #include <cutils/properties.h>
 #include <gtest/gtest.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
 
 #include "BufferGenerator.h"
@@ -39,13 +41,14 @@ using android::hardware::graphics::common::V1_1::BufferUsage;
 class LayerTransactionTest : public ::testing::Test {
 protected:
     void SetUp() override {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mClient->initCheck()) << "failed to create SurfaceComposerClient";
 
         ASSERT_NO_FATAL_FAILURE(SetUpDisplay());
 
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        ASSERT_NO_FATAL_FAILURE(sf->getColorManagement(&mColorManagementUsed));
+        sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+        binder::Status status = sf->getColorManagement(&mColorManagementUsed);
+        ASSERT_NO_FATAL_FAILURE(gui::aidl_utils::statusTFromBinderStatus(status));
 
         mCaptureArgs.displayToken = mDisplay;
     }
@@ -134,13 +137,16 @@ protected:
         postBufferQueueLayerBuffer(layer);
     }
 
-    virtual void fillBufferStateLayerColor(const sp<SurfaceControl>& layer, const Color& color,
-                                           int32_t bufferWidth, int32_t bufferHeight) {
+    virtual void fillBufferLayerColor(const sp<SurfaceControl>& layer, const Color& color,
+                                      int32_t bufferWidth, int32_t bufferHeight) {
         sp<GraphicBuffer> buffer =
-                new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
-                                  BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                          BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE,
-                                  "test");
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                        static_cast<uint32_t>(bufferHeight), PIXEL_FORMAT_RGBA_8888,
+                                        1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, bufferWidth, bufferHeight),
                                                  color);
         Transaction().setBuffer(layer, buffer).apply();
@@ -153,7 +159,7 @@ protected:
                 fillBufferQueueLayerColor(layer, color, bufferWidth, bufferHeight);
                 break;
             case ISurfaceComposerClient::eFXSurfaceBufferState:
-                fillBufferStateLayerColor(layer, color, bufferWidth, bufferHeight);
+                fillBufferLayerColor(layer, color, bufferWidth, bufferHeight);
                 break;
             default:
                 ASSERT_TRUE(false) << "unsupported layer type: " << mLayerType;
@@ -206,10 +212,13 @@ protected:
                                               const Color& topRight, const Color& bottomLeft,
                                               const Color& bottomRight) {
         sp<GraphicBuffer> buffer =
-                new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
-                                  BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                          BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE,
-                                  "test");
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                        static_cast<uint32_t>(bufferHeight), PIXEL_FORMAT_RGBA_8888,
+                                        1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
 
         ASSERT_TRUE(bufferWidth % 2 == 0 && bufferHeight % 2 == 0);
 
@@ -224,7 +233,7 @@ protected:
                                                  Rect(halfW, halfH, bufferWidth, bufferHeight),
                                                  bottomRight);
 
-        Transaction().setBuffer(layer, buffer).setSize(layer, bufferWidth, bufferHeight).apply();
+        Transaction().setBuffer(layer, buffer).apply();
     }
 
     std::unique_ptr<ScreenCapture> screenshot() {
@@ -280,7 +289,9 @@ protected:
 
 private:
     void SetUpDisplay() {
-        mDisplay = mClient->getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        mDisplay = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(mDisplay == nullptr) << "failed to get display";
 
         ui::DisplayMode mode;
diff --git a/services/surfaceflinger/tests/LayerTransaction_test.cpp b/services/surfaceflinger/tests/LayerTransaction_test.cpp
index ef992d6a40..cbd54e7aa9 100644
--- a/services/surfaceflinger/tests/LayerTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTransaction_test.cpp
@@ -32,7 +32,7 @@ TEST_F(LayerTransactionTest, SetTransformToDisplayInverse_BufferState) {
 
     Transaction().setTransformToDisplayInverse(layer, false).apply();
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::GREEN, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::GREEN, 32, 32));
 
     Transaction().setTransformToDisplayInverse(layer, true).apply();
 }
@@ -80,7 +80,7 @@ TEST_F(LayerTransactionTest, DISABLED_BufferQueueLayerMergeDamageRegionWhenDropp
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height));
     const auto producer = layer->getIGraphicBufferProducer();
-    const sp<IProducerListener> stubListener(new StubProducerListener);
+    const sp<IProducerListener> stubListener(sp<StubProducerListener>::make());
     IGraphicBufferProducer::QueueBufferOutput queueBufferOutput;
     ASSERT_EQ(OK, producer->connect(stubListener, NATIVE_WINDOW_API_CPU, true, &queueBufferOutput));
 
@@ -154,6 +154,36 @@ TEST_F(LayerTransactionTest, DISABLED_BufferQueueLayerMergeDamageRegionWhenDropp
 
     ASSERT_EQ(OK, producer->disconnect(NATIVE_WINDOW_API_CPU));
 }
+
+// b/245052266 - we possible could support blur and a buffer at the same layer but
+// might break existing assumptions at higher level. This test captures the current
+// expectations. A layer drawing a buffer will not support blur.
+TEST_F(LayerTransactionTest, BufferTakesPriorityOverBlur) {
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
+    Transaction().setBackgroundBlurRadius(layer, 5).apply();
+    {
+        SCOPED_TRACE("BufferTakesPriorityOverBlur");
+        const Rect rect(0, 0, 32, 32);
+        auto shot = screenshot();
+        shot->expectColor(rect, Color::RED);
+    }
+}
+
+TEST_F(LayerTransactionTest, BufferTakesPriorityOverColor) {
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
+    Transaction().setColor(layer, {Color::GREEN.r, Color::GREEN.g, Color::GREEN.b}).apply();
+    {
+        SCOPED_TRACE("BufferTakesPriorityOverColor");
+        const Rect rect(0, 0, 32, 32);
+        auto shot = screenshot();
+        shot->expectColor(rect, Color::RED);
+    }
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
index 9cb617a980..f247c9f088 100644
--- a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
@@ -799,7 +799,7 @@ TEST_P(LayerTypeAndRenderTypeTransactionTest, SetBufferFormat) {
     sp<Surface> surface = layer->getSurface();
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(width, height, PIXEL_FORMAT_RGBX_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(width, height, PIXEL_FORMAT_RGBX_8888, 1, kUsageFlags, "test");
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
 
@@ -815,7 +815,7 @@ TEST_P(LayerTypeAndRenderTypeTransactionTest, SetBufferFormat) {
         shot->expectColor(crop, Color::BLACK);
     }
 
-    buffer = new GraphicBuffer(width, height, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+    buffer = sp<GraphicBuffer>::make(width, height, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
 
diff --git a/services/surfaceflinger/tests/LayerUpdate_test.cpp b/services/surfaceflinger/tests/LayerUpdate_test.cpp
index e1a7ecc03b..867eddbc44 100644
--- a/services/surfaceflinger/tests/LayerUpdate_test.cpp
+++ b/services/surfaceflinger/tests/LayerUpdate_test.cpp
@@ -33,7 +33,9 @@ protected:
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(display == nullptr);
 
         ui::DisplayMode mode;
diff --git a/services/surfaceflinger/tests/MirrorLayer_test.cpp b/services/surfaceflinger/tests/MirrorLayer_test.cpp
index a921aa810e..e69db7c167 100644
--- a/services/surfaceflinger/tests/MirrorLayer_test.cpp
+++ b/services/surfaceflinger/tests/MirrorLayer_test.cpp
@@ -29,8 +29,10 @@ protected:
     virtual void SetUp() {
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
 
-        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(display == nullptr);
 
         mParentLayer = createColorLayer("Parent layer", Color::RED);
@@ -193,14 +195,14 @@ TEST_F(MirrorLayerTest, MirrorBufferLayer) {
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    sp<SurfaceControl> bufferStateLayer =
-            createLayer("BufferStateLayer", 200, 200, ISurfaceComposerClient::eFXSurfaceBufferState,
+    sp<SurfaceControl> layer =
+            createLayer("Layer", 200, 200, ISurfaceComposerClient::eFXSurfaceBufferState,
                         mChildLayer.get());
-    fillBufferStateLayerColor(bufferStateLayer, Color::BLUE, 200, 200);
-    Transaction().show(bufferStateLayer).apply();
+    fillBufferLayerColor(layer, Color::BLUE, 200, 200);
+    Transaction().show(layer).apply();
 
     {
-        SCOPED_TRACE("Initial Mirror BufferStateLayer");
+        SCOPED_TRACE("Initial Mirror Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::BLUE);
@@ -208,9 +210,9 @@ TEST_F(MirrorLayerTest, MirrorBufferLayer) {
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    fillBufferStateLayerColor(bufferStateLayer, Color::WHITE, 200, 200);
+    fillBufferLayerColor(layer, Color::WHITE, 200, 200);
     {
-        SCOPED_TRACE("Update BufferStateLayer");
+        SCOPED_TRACE("Update Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::WHITE);
@@ -218,9 +220,9 @@ TEST_F(MirrorLayerTest, MirrorBufferLayer) {
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    Transaction().reparent(bufferStateLayer, nullptr).apply();
+    Transaction().reparent(layer, nullptr).apply();
     {
-        SCOPED_TRACE("Removed BufferStateLayer");
+        SCOPED_TRACE("Removed Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::GREEN);
@@ -231,7 +233,10 @@ TEST_F(MirrorLayerTest, MirrorBufferLayer) {
 
 // Test that the mirror layer is initially offscreen.
 TEST_F(MirrorLayerTest, InitialMirrorState) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+
+    const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     ui::DisplayMode mode;
     SurfaceComposerClient::getActiveDisplayMode(display, &mode);
     const ui::Size& size = mode.resolution;
@@ -275,7 +280,9 @@ TEST_F(MirrorLayerTest, InitialMirrorState) {
 
 // Test that a mirror layer can be screenshot when offscreen
 TEST_F(MirrorLayerTest, OffscreenMirrorScreenshot) {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
+    const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+    ASSERT_FALSE(ids.empty());
+    const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
     ui::DisplayMode mode;
     SurfaceComposerClient::getActiveDisplayMode(display, &mode);
     const ui::Size& size = mode.resolution;
@@ -283,7 +290,7 @@ TEST_F(MirrorLayerTest, OffscreenMirrorScreenshot) {
     sp<SurfaceControl> grandchild =
             createLayer("Grandchild layer", 50, 50, ISurfaceComposerClient::eFXSurfaceBufferState,
                         mChildLayer.get());
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(grandchild, Color::BLUE, 50, 50));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(grandchild, Color::BLUE, 50, 50));
     Rect childBounds = Rect(50, 50, 450, 450);
 
     asTransaction([&](Transaction& t) {
diff --git a/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp b/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
index 1ed6c65afb..15ff696412 100644
--- a/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
+++ b/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
@@ -35,7 +35,9 @@ protected:
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        mMainDisplay = SurfaceComposerClient::getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        mMainDisplay = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         SurfaceComposerClient::getDisplayState(mMainDisplay, &mMainDisplayState);
         SurfaceComposerClient::getActiveDisplayMode(mMainDisplay, &mMainDisplayMode);
 
diff --git a/services/surfaceflinger/tests/RelativeZ_test.cpp b/services/surfaceflinger/tests/RelativeZ_test.cpp
index 50a4092ddb..9cebf11b9c 100644
--- a/services/surfaceflinger/tests/RelativeZ_test.cpp
+++ b/services/surfaceflinger/tests/RelativeZ_test.cpp
@@ -33,7 +33,9 @@ protected:
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(display == nullptr);
 
         // Back layer
diff --git a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
index a6d7f5834f..16076eaac9 100644
--- a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
+++ b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
@@ -110,10 +110,10 @@ public:
     }
 
     static sp<GraphicBuffer> getBuffer() {
-        return new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1,
-                                 BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                         BufferUsage::COMPOSER_OVERLAY,
-                                 "test");
+        return sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u,
+                                       BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                               BufferUsage::COMPOSER_OVERLAY,
+                                       "test");
     }
     static uint64_t generateFrameNumber() {
         static uint64_t sFrameNumber = 0;
@@ -332,8 +332,10 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_FrameDropping) {
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_Merge_Different_Processes) {
-    sp<TransactionCompletedListener> firstCompletedListener = new TransactionCompletedListener();
-    sp<TransactionCompletedListener> secondCompletedListener = new TransactionCompletedListener();
+    sp<TransactionCompletedListener> firstCompletedListener =
+            sp<TransactionCompletedListener>::make();
+    sp<TransactionCompletedListener> secondCompletedListener =
+            sp<TransactionCompletedListener>::make();
 
     CallbackHelper callback1, callback2;
 
@@ -433,8 +435,10 @@ TEST_F(ReleaseBufferCallbackTest, DISABLED_Merge_Transactions_OverwriteBuffers)
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_MergeBuffers_Different_Processes) {
-    sp<TransactionCompletedListener> firstCompletedListener = new TransactionCompletedListener();
-    sp<TransactionCompletedListener> secondCompletedListener = new TransactionCompletedListener();
+    sp<TransactionCompletedListener> firstCompletedListener =
+            sp<TransactionCompletedListener>::make();
+    sp<TransactionCompletedListener> secondCompletedListener =
+            sp<TransactionCompletedListener>::make();
 
     TransactionCompletedListener::setInstance(firstCompletedListener);
 
diff --git a/services/surfaceflinger/tests/ScreenCapture_test.cpp b/services/surfaceflinger/tests/ScreenCapture_test.cpp
index 6a7d8b8ca5..976ee3519c 100644
--- a/services/surfaceflinger/tests/ScreenCapture_test.cpp
+++ b/services/surfaceflinger/tests/ScreenCapture_test.cpp
@@ -30,7 +30,9 @@ protected:
         LayerTransactionTest::SetUp();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
-        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        ASSERT_FALSE(ids.empty());
+        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
         ASSERT_FALSE(display == nullptr);
 
         ui::DisplayMode mode;
@@ -371,7 +373,7 @@ TEST_F(ScreenCaptureTest, CaptureBufferLayerWithoutBufferFails) {
     ScreenCaptureResults captureResults;
     ASSERT_EQ(BAD_VALUE, ScreenCapture::captureLayers(args, captureResults));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::RED, 32, 32));
     SurfaceComposerClient::Transaction().apply(true);
     ASSERT_EQ(NO_ERROR, ScreenCapture::captureLayers(args, captureResults));
     ScreenCapture sc(captureResults.buffer, captureResults.capturedHdrLayers);
@@ -449,8 +451,8 @@ TEST_F(ScreenCaptureTest, CaptureCrop) {
                                                  ISurfaceComposerClient::eFXSurfaceBufferState,
                                                  redLayer.get());
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(blueLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(blueLayer, Color::BLUE, 30, 30));
 
     SurfaceComposerClient::Transaction()
             .setLayer(redLayer, INT32_MAX - 1)
@@ -484,8 +486,8 @@ TEST_F(ScreenCaptureTest, CaptureSize) {
                                                  ISurfaceComposerClient::eFXSurfaceBufferState,
                                                  redLayer.get());
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(blueLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(blueLayer, Color::BLUE, 30, 30));
 
     SurfaceComposerClient::Transaction()
             .setLayer(redLayer, INT32_MAX - 1)
@@ -519,7 +521,7 @@ TEST_F(ScreenCaptureTest, CaptureSize) {
 
 TEST_F(ScreenCaptureTest, CaptureInvalidLayer) {
     LayerCaptureArgs args;
-    args.layerHandle = new BBinder();
+    args.layerHandle = sp<BBinder>::make();
 
     ScreenCaptureResults captureResults;
     // Layer was deleted so captureLayers should fail with NAME_NOT_FOUND
@@ -549,8 +551,8 @@ TEST_F(ScreenCaptureTest, CaptureSecureLayer) {
                         ISurfaceComposerClient::eSecure |
                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                         redLayer.get());
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(secureLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(secureLayer, Color::BLUE, 30, 30));
 
     auto redLayerHandle = redLayer->getHandle();
     Transaction()
@@ -803,7 +805,7 @@ TEST_F(ScreenCaptureTest, CaptureWithGrayscale) {
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     Transaction().show(layer).setLayer(layer, INT32_MAX).apply();
 
     LayerCaptureArgs captureArgs;
@@ -825,7 +827,7 @@ TEST_F(ScreenCaptureTest, CaptureWithGrayscale) {
     mCapture->expectColor(Rect(0, 0, 32, 32),
                           Color{expectedColor, expectedColor, expectedColor, 255}, tolerance);
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLUE, 32, 32));
     ScreenCapture::captureLayers(&mCapture, captureArgs);
 
     expectedColor = luminance.b * 255;
@@ -838,7 +840,7 @@ TEST_F(ScreenCaptureTest, CaptureOffscreen) {
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     Transaction().show(layer).hide(mFGSurfaceControl).reparent(layer, nullptr).apply();
 
@@ -865,7 +867,7 @@ TEST_F(ScreenCaptureTest, CaptureNonHdrLayer) {
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLACK, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLACK, 32, 32));
     Transaction()
             .show(layer)
             .setLayer(layer, INT32_MAX)
@@ -885,7 +887,7 @@ TEST_F(ScreenCaptureTest, CaptureHdrLayer) {
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLACK, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLACK, 32, 32));
     Transaction()
             .show(layer)
             .setLayer(layer, INT32_MAX)
diff --git a/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp b/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
index 4efec7738a..e43ef952d6 100644
--- a/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
+++ b/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
+#include <android/gui/ISurfaceComposer.h>
 #include <gtest/gtest.h>
 #include <gui/DisplayEventReceiver.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <sys/epoll.h>
 #include <algorithm>
@@ -24,12 +24,14 @@
 namespace android {
 namespace {
 using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
+using gui::ISurfaceComposer;
 
 class SetFrameRateOverrideTest : public ::testing::Test {
 protected:
     void SetUp() override {
-        const ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp;
-        const ISurfaceComposer::EventRegistrationFlags eventRegistration = {
+        const ISurfaceComposer::VsyncSource vsyncSource =
+                ISurfaceComposer::VsyncSource::eVsyncSourceApp;
+        const EventRegistrationFlags eventRegistration = {
                 ISurfaceComposer::EventRegistration::frameRateOverride};
 
         mDisplayEventReceiver =
diff --git a/services/surfaceflinger/tests/Stress_test.cpp b/services/surfaceflinger/tests/Stress_test.cpp
index e9b6ba0f64..03201f7937 100644
--- a/services/surfaceflinger/tests/Stress_test.cpp
+++ b/services/surfaceflinger/tests/Stress_test.cpp
@@ -32,7 +32,7 @@ namespace android {
 
 TEST(SurfaceFlingerStress, create_and_destroy) {
     auto do_stress = []() {
-        sp<SurfaceComposerClient> client = new SurfaceComposerClient;
+        sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, client->initCheck());
         for (int j = 0; j < 1000; j++) {
             auto surf = client->createSurface(String8("t"), 100, 100,
diff --git a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
deleted file mode 100644
index 28e8b8c78b..0000000000
--- a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
+++ /dev/null
@@ -1,967 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-#pragma clang diagnostic ignored "-Wextra"
-
-#include <android-base/stringprintf.h>
-#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
-#include <google/protobuf/io/zero_copy_stream_impl.h>
-#include <gtest/gtest.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/LayerState.h>
-#include <gui/Surface.h>
-#include <gui/SurfaceComposerClient.h>
-#include <private/gui/ComposerService.h>
-#include <ui/DisplayMode.h>
-
-#include <fstream>
-#include <random>
-#include <thread>
-
-namespace android {
-
-using Transaction = SurfaceComposerClient::Transaction;
-using SurfaceChange = surfaceflinger::SurfaceChange;
-using Trace = surfaceflinger::Trace;
-using Increment = surfaceflinger::Increment;
-
-constexpr uint32_t BUFFER_UPDATES = 18;
-constexpr uint32_t LAYER_UPDATE = INT_MAX - 2;
-constexpr uint32_t SIZE_UPDATE = 134;
-constexpr uint32_t STACK_UPDATE = 1;
-constexpr int32_t RELATIVE_Z = 42;
-constexpr float ALPHA_UPDATE = 0.29f;
-constexpr float CORNER_RADIUS_UPDATE = 0.2f;
-constexpr int BACKGROUND_BLUR_RADIUS_UPDATE = 24;
-constexpr float POSITION_UPDATE = 121;
-const Rect CROP_UPDATE(16, 16, 32, 32);
-const float SHADOW_RADIUS_UPDATE = 35.0f;
-std::vector<BlurRegion> BLUR_REGIONS_UPDATE;
-
-const String8 DISPLAY_NAME("SurfaceInterceptor Display Test");
-constexpr auto TEST_BG_SURFACE_NAME = "BG Interceptor Test Surface";
-constexpr auto TEST_FG_SURFACE_NAME = "FG Interceptor Test Surface";
-constexpr auto LAYER_NAME = "Layer Create and Delete Test";
-
-constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.winscope";
-
-// Fill an RGBA_8888 formatted surface with a single color.
-static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, uint8_t r, uint8_t g, uint8_t b) {
-    ANativeWindow_Buffer outBuffer;
-    sp<Surface> s = sc->getSurface();
-    ASSERT_TRUE(s != nullptr);
-    ASSERT_EQ(NO_ERROR, s->lock(&outBuffer, nullptr));
-    uint8_t* img = reinterpret_cast<uint8_t*>(outBuffer.bits);
-    for (int y = 0; y < outBuffer.height; y++) {
-        for (int x = 0; x < outBuffer.width; x++) {
-            uint8_t* pixel = img + (4 * (y*outBuffer.stride + x));
-            pixel[0] = r;
-            pixel[1] = g;
-            pixel[2] = b;
-            pixel[3] = 255;
-        }
-    }
-    ASSERT_EQ(NO_ERROR, s->unlockAndPost());
-}
-
-static status_t readProtoFile(Trace* trace) {
-    status_t err = NO_ERROR;
-
-    int fd = open(DEFAULT_FILENAME, O_RDONLY);
-    {
-        google::protobuf::io::FileInputStream f(fd);
-        if (fd && !trace->ParseFromZeroCopyStream(&f)) {
-            err = PERMISSION_DENIED;
-        }
-    }
-    close(fd);
-
-    return err;
-}
-
-static void enableInterceptor() {
-    system("service call SurfaceFlinger 1020 i32 1 > /dev/null");
-}
-
-static void disableInterceptor() {
-    system("service call SurfaceFlinger 1020 i32 0 > /dev/null");
-}
-
-std::string getUniqueName(const std::string& name, const Increment& increment) {
-    return base::StringPrintf("%s#%d", name.c_str(), increment.surface_creation().id());
-}
-
-int32_t getSurfaceId(const Trace& capturedTrace, const std::string& surfaceName) {
-    int32_t layerId = 0;
-    for (const auto& increment : capturedTrace.increment()) {
-        if (increment.increment_case() == increment.kSurfaceCreation) {
-            if (increment.surface_creation().name() == getUniqueName(surfaceName, increment)) {
-                layerId = increment.surface_creation().id();
-            }
-        }
-    }
-    return layerId;
-}
-
-int32_t getDisplayId(const Trace& capturedTrace, const std::string& displayName) {
-    int32_t displayId = 0;
-    for (const auto& increment : capturedTrace.increment()) {
-        if (increment.increment_case() == increment.kDisplayCreation) {
-            if (increment.display_creation().name() == displayName) {
-                displayId = increment.display_creation().id();
-                break;
-            }
-        }
-    }
-    return displayId;
-}
-
-class SurfaceInterceptorTest : public ::testing::Test {
-protected:
-    void SetUp() override {
-        // Allow SurfaceInterceptor write to /data
-        system("setenforce 0");
-
-        mComposerClient = new SurfaceComposerClient;
-        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-    }
-
-    void TearDown() override {
-        mComposerClient->dispose();
-        mBGSurfaceControl.clear();
-        mFGSurfaceControl.clear();
-        mComposerClient.clear();
-        system("setenforce 1");
-    }
-
-    sp<SurfaceComposerClient> mComposerClient;
-    sp<SurfaceControl> mBGSurfaceControl;
-    sp<SurfaceControl> mFGSurfaceControl;
-    int32_t mBGLayerId;
-    int32_t mFGLayerId;
-
-public:
-    using TestTransactionAction = void (SurfaceInterceptorTest::*)(Transaction&);
-    using TestAction = void (SurfaceInterceptorTest::*)();
-    using TestBooleanVerification = bool (SurfaceInterceptorTest::*)(const Trace&);
-    using TestVerification = void (SurfaceInterceptorTest::*)(const Trace&);
-
-    void setupBackgroundSurface();
-    void preProcessTrace(const Trace& trace);
-
-    // captureTest will enable SurfaceInterceptor, setup background surface,
-    // disable SurfaceInterceptor, collect the trace and process the trace for
-    // id of background surface before further verification.
-    void captureTest(TestTransactionAction action, TestBooleanVerification verification);
-    void captureTest(TestTransactionAction action, SurfaceChange::SurfaceChangeCase changeCase);
-    void captureTest(TestTransactionAction action, Increment::IncrementCase incrementCase);
-    void captureTest(TestAction action, TestBooleanVerification verification);
-    void captureTest(TestAction action, TestVerification verification);
-    void runInTransaction(TestTransactionAction action);
-
-    // Verification of changes to a surface
-    bool positionUpdateFound(const SurfaceChange& change, bool foundPosition);
-    bool sizeUpdateFound(const SurfaceChange& change, bool foundSize);
-    bool alphaUpdateFound(const SurfaceChange& change, bool foundAlpha);
-    bool layerUpdateFound(const SurfaceChange& change, bool foundLayer);
-    bool cropUpdateFound(const SurfaceChange& change, bool foundCrop);
-    bool cornerRadiusUpdateFound(const SurfaceChange& change, bool foundCornerRadius);
-    bool backgroundBlurRadiusUpdateFound(const SurfaceChange& change,
-                                         bool foundBackgroundBlurRadius);
-    bool blurRegionsUpdateFound(const SurfaceChange& change, bool foundBlurRegions);
-    bool matrixUpdateFound(const SurfaceChange& change, bool foundMatrix);
-    bool scalingModeUpdateFound(const SurfaceChange& change, bool foundScalingMode);
-    bool transparentRegionHintUpdateFound(const SurfaceChange& change, bool foundTransparentRegion);
-    bool layerStackUpdateFound(const SurfaceChange& change, bool foundLayerStack);
-    bool hiddenFlagUpdateFound(const SurfaceChange& change, bool foundHiddenFlag);
-    bool opaqueFlagUpdateFound(const SurfaceChange& change, bool foundOpaqueFlag);
-    bool secureFlagUpdateFound(const SurfaceChange& change, bool foundSecureFlag);
-    bool reparentUpdateFound(const SurfaceChange& change, bool found);
-    bool relativeParentUpdateFound(const SurfaceChange& change, bool found);
-    bool shadowRadiusUpdateFound(const SurfaceChange& change, bool found);
-    bool trustedOverlayUpdateFound(const SurfaceChange& change, bool found);
-    bool surfaceUpdateFound(const Trace& trace, SurfaceChange::SurfaceChangeCase changeCase);
-
-    // Find all of the updates in the single trace
-    void assertAllUpdatesFound(const Trace& trace);
-
-    // Verification of creation and deletion of a surface
-    bool surfaceCreationFound(const Increment& increment, bool foundSurface);
-    bool surfaceDeletionFound(const Increment& increment, const int32_t targetId,
-            bool foundSurface);
-    bool displayCreationFound(const Increment& increment, bool foundDisplay);
-    bool displayDeletionFound(const Increment& increment, const int32_t targetId,
-            bool foundDisplay);
-    bool singleIncrementFound(const Trace& trace, Increment::IncrementCase incrementCase);
-
-    // Verification of buffer updates
-    bool bufferUpdatesFound(const Trace& trace);
-
-    // Perform each of the possible changes to a surface
-    void positionUpdate(Transaction&);
-    void sizeUpdate(Transaction&);
-    void alphaUpdate(Transaction&);
-    void layerUpdate(Transaction&);
-    void cropUpdate(Transaction&);
-    void cornerRadiusUpdate(Transaction&);
-    void backgroundBlurRadiusUpdate(Transaction&);
-    void blurRegionsUpdate(Transaction&);
-    void matrixUpdate(Transaction&);
-    void transparentRegionHintUpdate(Transaction&);
-    void layerStackUpdate(Transaction&);
-    void hiddenFlagUpdate(Transaction&);
-    void opaqueFlagUpdate(Transaction&);
-    void secureFlagUpdate(Transaction&);
-    void reparentUpdate(Transaction&);
-    void relativeParentUpdate(Transaction&);
-    void shadowRadiusUpdate(Transaction&);
-    void trustedOverlayUpdate(Transaction&);
-    void surfaceCreation(Transaction&);
-    void displayCreation(Transaction&);
-    void displayDeletion(Transaction&);
-
-    void nBufferUpdates();
-    void runAllUpdates();
-
-private:
-    void captureInTransaction(TestTransactionAction action, Trace*);
-    void capture(TestAction action, Trace*);
-};
-
-void SurfaceInterceptorTest::captureInTransaction(TestTransactionAction action, Trace* outTrace) {
-    enableInterceptor();
-    setupBackgroundSurface();
-    runInTransaction(action);
-    disableInterceptor();
-    ASSERT_EQ(NO_ERROR, readProtoFile(outTrace));
-    preProcessTrace(*outTrace);
-}
-
-void SurfaceInterceptorTest::capture(TestAction action, Trace* outTrace) {
-    enableInterceptor();
-    setupBackgroundSurface();
-    (this->*action)();
-    disableInterceptor();
-    ASSERT_EQ(NO_ERROR, readProtoFile(outTrace));
-    preProcessTrace(*outTrace);
-}
-
-void SurfaceInterceptorTest::setupBackgroundSurface() {
-    const auto display = SurfaceComposerClient::getInternalDisplayToken();
-    ASSERT_FALSE(display == nullptr);
-
-    ui::DisplayMode mode;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-    const ui::Size& resolution = mode.resolution;
-
-    // Background surface
-    mBGSurfaceControl =
-            mComposerClient->createSurface(String8(TEST_BG_SURFACE_NAME), resolution.getWidth(),
-                                           resolution.getHeight(), PIXEL_FORMAT_RGBA_8888, 0);
-    ASSERT_TRUE(mBGSurfaceControl != nullptr);
-    ASSERT_TRUE(mBGSurfaceControl->isValid());
-
-    // Foreground surface
-    mFGSurfaceControl =
-            mComposerClient->createSurface(String8(TEST_FG_SURFACE_NAME), resolution.getWidth(),
-                                           resolution.getHeight(), PIXEL_FORMAT_RGBA_8888, 0);
-    ASSERT_TRUE(mFGSurfaceControl != nullptr);
-    ASSERT_TRUE(mFGSurfaceControl->isValid());
-
-    Transaction t;
-    t.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-    ASSERT_EQ(NO_ERROR,
-              t.setLayer(mBGSurfaceControl, INT_MAX - 3)
-                      .show(mBGSurfaceControl)
-                      .setLayer(mFGSurfaceControl, INT_MAX - 3)
-                      .show(mFGSurfaceControl)
-                      .apply());
-}
-
-void SurfaceInterceptorTest::preProcessTrace(const Trace& trace) {
-    mBGLayerId = getSurfaceId(trace, TEST_BG_SURFACE_NAME);
-    mFGLayerId = getSurfaceId(trace, TEST_FG_SURFACE_NAME);
-}
-
-void SurfaceInterceptorTest::captureTest(TestTransactionAction action,
-        TestBooleanVerification verification) {
-    Trace capturedTrace;
-    captureInTransaction(action, &capturedTrace);
-    ASSERT_TRUE((this->*verification)(capturedTrace));
-}
-
-void SurfaceInterceptorTest::captureTest(TestTransactionAction action,
-        Increment::IncrementCase incrementCase) {
-    Trace capturedTrace;
-    captureInTransaction(action, &capturedTrace);
-    ASSERT_TRUE(singleIncrementFound(capturedTrace, incrementCase));
-}
-
-void SurfaceInterceptorTest::captureTest(TestTransactionAction action,
-        SurfaceChange::SurfaceChangeCase changeCase) {
-    Trace capturedTrace;
-    captureInTransaction(action, &capturedTrace);
-    ASSERT_TRUE(surfaceUpdateFound(capturedTrace, changeCase));
-}
-
-void SurfaceInterceptorTest::captureTest(TestAction action, TestBooleanVerification verification) {
-    Trace capturedTrace;
-    capture(action, &capturedTrace);
-    ASSERT_TRUE((this->*verification)(capturedTrace));
-}
-
-void SurfaceInterceptorTest::captureTest(TestAction action, TestVerification verification) {
-    Trace capturedTrace;
-    capture(action, &capturedTrace);
-    (this->*verification)(capturedTrace);
-}
-
-void SurfaceInterceptorTest::runInTransaction(TestTransactionAction action) {
-    Transaction t;
-    (this->*action)(t);
-    t.apply(true);
-}
-
-void SurfaceInterceptorTest::positionUpdate(Transaction& t) {
-    t.setPosition(mBGSurfaceControl, POSITION_UPDATE, POSITION_UPDATE);
-}
-
-void SurfaceInterceptorTest::sizeUpdate(Transaction& t) {
-    t.setSize(mBGSurfaceControl, SIZE_UPDATE, SIZE_UPDATE);
-}
-
-void SurfaceInterceptorTest::alphaUpdate(Transaction& t) {
-    t.setAlpha(mBGSurfaceControl, ALPHA_UPDATE);
-}
-
-void SurfaceInterceptorTest::cornerRadiusUpdate(Transaction& t) {
-    t.setCornerRadius(mBGSurfaceControl, CORNER_RADIUS_UPDATE);
-}
-
-void SurfaceInterceptorTest::backgroundBlurRadiusUpdate(Transaction& t) {
-    t.setBackgroundBlurRadius(mBGSurfaceControl, BACKGROUND_BLUR_RADIUS_UPDATE);
-}
-
-void SurfaceInterceptorTest::blurRegionsUpdate(Transaction& t) {
-    BLUR_REGIONS_UPDATE.empty();
-    BLUR_REGIONS_UPDATE.push_back(BlurRegion());
-    t.setBlurRegions(mBGSurfaceControl, BLUR_REGIONS_UPDATE);
-}
-
-void SurfaceInterceptorTest::layerUpdate(Transaction& t) {
-    t.setLayer(mBGSurfaceControl, LAYER_UPDATE);
-}
-
-void SurfaceInterceptorTest::cropUpdate(Transaction& t) {
-    t.setCrop(mBGSurfaceControl, CROP_UPDATE);
-}
-
-void SurfaceInterceptorTest::matrixUpdate(Transaction& t) {
-    t.setMatrix(mBGSurfaceControl, M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2);
-}
-
-void SurfaceInterceptorTest::transparentRegionHintUpdate(Transaction& t) {
-    Region region(CROP_UPDATE);
-    t.setTransparentRegionHint(mBGSurfaceControl, region);
-}
-
-void SurfaceInterceptorTest::layerStackUpdate(Transaction& t) {
-    t.setLayerStack(mBGSurfaceControl, ui::LayerStack::fromValue(STACK_UPDATE));
-}
-
-void SurfaceInterceptorTest::hiddenFlagUpdate(Transaction& t) {
-    t.setFlags(mBGSurfaceControl, layer_state_t::eLayerHidden, layer_state_t::eLayerHidden);
-}
-
-void SurfaceInterceptorTest::opaqueFlagUpdate(Transaction& t) {
-    t.setFlags(mBGSurfaceControl, layer_state_t::eLayerOpaque, layer_state_t::eLayerOpaque);
-}
-
-void SurfaceInterceptorTest::secureFlagUpdate(Transaction& t) {
-    t.setFlags(mBGSurfaceControl, layer_state_t::eLayerSecure, layer_state_t::eLayerSecure);
-}
-
-void SurfaceInterceptorTest::reparentUpdate(Transaction& t) {
-    t.reparent(mBGSurfaceControl, mFGSurfaceControl);
-}
-
-void SurfaceInterceptorTest::relativeParentUpdate(Transaction& t) {
-    t.setRelativeLayer(mBGSurfaceControl, mFGSurfaceControl, RELATIVE_Z);
-}
-
-void SurfaceInterceptorTest::shadowRadiusUpdate(Transaction& t) {
-    t.setShadowRadius(mBGSurfaceControl, SHADOW_RADIUS_UPDATE);
-}
-
-void SurfaceInterceptorTest::trustedOverlayUpdate(Transaction& t) {
-    t.setTrustedOverlay(mBGSurfaceControl, true);
-}
-
-void SurfaceInterceptorTest::displayCreation(Transaction&) {
-    sp<IBinder> testDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, false);
-    SurfaceComposerClient::destroyDisplay(testDisplay);
-}
-
-void SurfaceInterceptorTest::displayDeletion(Transaction&) {
-    sp<IBinder> testDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, false);
-    SurfaceComposerClient::destroyDisplay(testDisplay);
-}
-
-void SurfaceInterceptorTest::runAllUpdates() {
-    runInTransaction(&SurfaceInterceptorTest::positionUpdate);
-    runInTransaction(&SurfaceInterceptorTest::sizeUpdate);
-    runInTransaction(&SurfaceInterceptorTest::alphaUpdate);
-    runInTransaction(&SurfaceInterceptorTest::cornerRadiusUpdate);
-    runInTransaction(&SurfaceInterceptorTest::backgroundBlurRadiusUpdate);
-    runInTransaction(&SurfaceInterceptorTest::blurRegionsUpdate);
-    runInTransaction(&SurfaceInterceptorTest::layerUpdate);
-    runInTransaction(&SurfaceInterceptorTest::cropUpdate);
-    runInTransaction(&SurfaceInterceptorTest::matrixUpdate);
-    runInTransaction(&SurfaceInterceptorTest::transparentRegionHintUpdate);
-    runInTransaction(&SurfaceInterceptorTest::layerStackUpdate);
-    runInTransaction(&SurfaceInterceptorTest::hiddenFlagUpdate);
-    runInTransaction(&SurfaceInterceptorTest::opaqueFlagUpdate);
-    runInTransaction(&SurfaceInterceptorTest::secureFlagUpdate);
-    runInTransaction(&SurfaceInterceptorTest::reparentUpdate);
-    runInTransaction(&SurfaceInterceptorTest::relativeParentUpdate);
-    runInTransaction(&SurfaceInterceptorTest::shadowRadiusUpdate);
-    runInTransaction(&SurfaceInterceptorTest::trustedOverlayUpdate);
-}
-
-void SurfaceInterceptorTest::surfaceCreation(Transaction&) {
-    mComposerClient->createSurface(String8(LAYER_NAME), SIZE_UPDATE, SIZE_UPDATE,
-            PIXEL_FORMAT_RGBA_8888, 0);
-}
-
-void SurfaceInterceptorTest::nBufferUpdates() {
-    std::random_device rd;
-    std::mt19937_64 gen(rd());
-    // This makes testing fun
-    std::uniform_int_distribution<uint8_t> dis;
-    for (uint32_t i = 0; i < BUFFER_UPDATES; ++i) {
-        fillSurfaceRGBA8(mBGSurfaceControl, dis(gen), dis(gen), dis(gen));
-    }
-}
-
-bool SurfaceInterceptorTest::positionUpdateFound(const SurfaceChange& change, bool foundPosition) {
-    // There should only be one position transaction with x and y = POSITION_UPDATE
-    bool hasX(change.position().x() == POSITION_UPDATE);
-    bool hasY(change.position().y() == POSITION_UPDATE);
-    if (hasX && hasY && !foundPosition) {
-        foundPosition = true;
-    } else if (hasX && hasY && foundPosition) {
-        // Failed because the position update was found a second time
-        [] () { FAIL(); }();
-    }
-    return foundPosition;
-}
-
-bool SurfaceInterceptorTest::sizeUpdateFound(const SurfaceChange& change, bool foundSize) {
-    bool hasWidth(change.size().h() == SIZE_UPDATE);
-    bool hasHeight(change.size().w() == SIZE_UPDATE);
-    if (hasWidth && hasHeight && !foundSize) {
-        foundSize = true;
-    } else if (hasWidth && hasHeight && foundSize) {
-        [] () { FAIL(); }();
-    }
-    return foundSize;
-}
-
-bool SurfaceInterceptorTest::alphaUpdateFound(const SurfaceChange& change, bool foundAlpha) {
-    bool hasAlpha(change.alpha().alpha() == ALPHA_UPDATE);
-    if (hasAlpha && !foundAlpha) {
-        foundAlpha = true;
-    } else if (hasAlpha && foundAlpha) {
-        [] () { FAIL(); }();
-    }
-    return foundAlpha;
-}
-
-bool SurfaceInterceptorTest::cornerRadiusUpdateFound(const SurfaceChange &change,
-                                                     bool foundCornerRadius) {
-    bool hasCornerRadius(change.corner_radius().corner_radius() == CORNER_RADIUS_UPDATE);
-    if (hasCornerRadius && !foundCornerRadius) {
-        foundCornerRadius = true;
-    } else if (hasCornerRadius && foundCornerRadius) {
-        [] () { FAIL(); }();
-    }
-    return foundCornerRadius;
-}
-
-bool SurfaceInterceptorTest::backgroundBlurRadiusUpdateFound(const SurfaceChange& change,
-                                                             bool foundBackgroundBlur) {
-    bool hasBackgroundBlur(change.background_blur_radius().background_blur_radius() ==
-                           BACKGROUND_BLUR_RADIUS_UPDATE);
-    if (hasBackgroundBlur && !foundBackgroundBlur) {
-        foundBackgroundBlur = true;
-    } else if (hasBackgroundBlur && foundBackgroundBlur) {
-        []() { FAIL(); }();
-    }
-    return foundBackgroundBlur;
-}
-
-bool SurfaceInterceptorTest::blurRegionsUpdateFound(const SurfaceChange& change,
-                                                    bool foundBlurRegions) {
-    bool hasBlurRegions(change.blur_regions().blur_regions_size() == BLUR_REGIONS_UPDATE.size());
-    if (hasBlurRegions && !foundBlurRegions) {
-        foundBlurRegions = true;
-    } else if (hasBlurRegions && foundBlurRegions) {
-        []() { FAIL(); }();
-    }
-    return foundBlurRegions;
-}
-
-bool SurfaceInterceptorTest::layerUpdateFound(const SurfaceChange& change, bool foundLayer) {
-    bool hasLayer(change.layer().layer() == LAYER_UPDATE);
-    if (hasLayer && !foundLayer) {
-        foundLayer = true;
-    } else if (hasLayer && foundLayer) {
-        [] () { FAIL(); }();
-    }
-    return foundLayer;
-}
-
-bool SurfaceInterceptorTest::cropUpdateFound(const SurfaceChange& change, bool foundCrop) {
-    bool hasLeft(change.crop().rectangle().left() == CROP_UPDATE.left);
-    bool hasTop(change.crop().rectangle().top() == CROP_UPDATE.top);
-    bool hasRight(change.crop().rectangle().right() == CROP_UPDATE.right);
-    bool hasBottom(change.crop().rectangle().bottom() == CROP_UPDATE.bottom);
-    if (hasLeft && hasRight && hasTop && hasBottom && !foundCrop) {
-        foundCrop = true;
-    } else if (hasLeft && hasRight && hasTop && hasBottom && foundCrop) {
-        [] () { FAIL(); }();
-    }
-    return foundCrop;
-}
-
-bool SurfaceInterceptorTest::matrixUpdateFound(const SurfaceChange& change, bool foundMatrix) {
-    bool hasSx((float)change.matrix().dsdx() == (float)M_SQRT1_2);
-    bool hasTx((float)change.matrix().dtdx() == (float)M_SQRT1_2);
-    bool hasSy((float)change.matrix().dsdy() == (float)M_SQRT1_2);
-    bool hasTy((float)change.matrix().dtdy() == (float)-M_SQRT1_2);
-    if (hasSx && hasTx && hasSy && hasTy && !foundMatrix) {
-        foundMatrix = true;
-    } else if (hasSx && hasTx && hasSy && hasTy && foundMatrix) {
-        [] () { FAIL(); }();
-    }
-    return foundMatrix;
-}
-
-bool SurfaceInterceptorTest::transparentRegionHintUpdateFound(const SurfaceChange& change,
-        bool foundTransparentRegion) {
-    auto traceRegion = change.transparent_region_hint().region(0);
-    bool hasLeft(traceRegion.left() == CROP_UPDATE.left);
-    bool hasTop(traceRegion.top() == CROP_UPDATE.top);
-    bool hasRight(traceRegion.right() == CROP_UPDATE.right);
-    bool hasBottom(traceRegion.bottom() == CROP_UPDATE.bottom);
-    if (hasLeft && hasRight && hasTop && hasBottom && !foundTransparentRegion) {
-        foundTransparentRegion = true;
-    } else if (hasLeft && hasRight && hasTop && hasBottom && foundTransparentRegion) {
-        [] () { FAIL(); }();
-    }
-    return foundTransparentRegion;
-}
-
-bool SurfaceInterceptorTest::layerStackUpdateFound(const SurfaceChange& change,
-        bool foundLayerStack) {
-    bool hasLayerStackUpdate(change.layer_stack().layer_stack() == STACK_UPDATE);
-    if (hasLayerStackUpdate && !foundLayerStack) {
-        foundLayerStack = true;
-    } else if (hasLayerStackUpdate && foundLayerStack) {
-        [] () { FAIL(); }();
-    }
-    return foundLayerStack;
-}
-
-bool SurfaceInterceptorTest::hiddenFlagUpdateFound(const SurfaceChange& change,
-        bool foundHiddenFlag) {
-    bool hasHiddenFlag(change.hidden_flag().hidden_flag());
-    if (hasHiddenFlag && !foundHiddenFlag) {
-        foundHiddenFlag = true;
-    } else if (hasHiddenFlag && foundHiddenFlag) {
-        [] () { FAIL(); }();
-    }
-    return foundHiddenFlag;
-}
-
-bool SurfaceInterceptorTest::opaqueFlagUpdateFound(const SurfaceChange& change,
-        bool foundOpaqueFlag) {
-    bool hasOpaqueFlag(change.opaque_flag().opaque_flag());
-    if (hasOpaqueFlag && !foundOpaqueFlag) {
-        foundOpaqueFlag = true;
-    } else if (hasOpaqueFlag && foundOpaqueFlag) {
-        [] () { FAIL(); }();
-    }
-    return foundOpaqueFlag;
-}
-
-bool SurfaceInterceptorTest::secureFlagUpdateFound(const SurfaceChange& change,
-        bool foundSecureFlag) {
-    bool hasSecureFlag(change.secure_flag().secure_flag());
-    if (hasSecureFlag && !foundSecureFlag) {
-        foundSecureFlag = true;
-    } else if (hasSecureFlag && foundSecureFlag) {
-        [] () { FAIL(); }();
-    }
-    return foundSecureFlag;
-}
-
-bool SurfaceInterceptorTest::reparentUpdateFound(const SurfaceChange& change, bool found) {
-    bool hasId(change.reparent().parent_id() == mFGLayerId);
-    if (hasId && !found) {
-        found = true;
-    } else if (hasId && found) {
-        []() { FAIL(); }();
-    }
-    return found;
-}
-
-bool SurfaceInterceptorTest::relativeParentUpdateFound(const SurfaceChange& change, bool found) {
-    bool hasId(change.relative_parent().relative_parent_id() == mFGLayerId);
-    if (hasId && !found) {
-        found = true;
-    } else if (hasId && found) {
-        []() { FAIL(); }();
-    }
-    return found;
-}
-
-bool SurfaceInterceptorTest::shadowRadiusUpdateFound(const SurfaceChange& change,
-                                                     bool foundShadowRadius) {
-    bool hasShadowRadius(change.shadow_radius().radius() == SHADOW_RADIUS_UPDATE);
-    if (hasShadowRadius && !foundShadowRadius) {
-        foundShadowRadius = true;
-    } else if (hasShadowRadius && foundShadowRadius) {
-        []() { FAIL(); }();
-    }
-    return foundShadowRadius;
-}
-
-bool SurfaceInterceptorTest::trustedOverlayUpdateFound(const SurfaceChange& change,
-                                                       bool foundTrustedOverlay) {
-    bool hasTrustedOverlay(change.trusted_overlay().is_trusted_overlay());
-    if (hasTrustedOverlay && !foundTrustedOverlay) {
-        foundTrustedOverlay = true;
-    } else if (hasTrustedOverlay && foundTrustedOverlay) {
-        []() { FAIL(); }();
-    }
-    return foundTrustedOverlay;
-}
-
-bool SurfaceInterceptorTest::surfaceUpdateFound(const Trace& trace,
-        SurfaceChange::SurfaceChangeCase changeCase) {
-    bool foundUpdate = false;
-    for (const auto& increment : trace.increment()) {
-        if (increment.increment_case() == increment.kTransaction) {
-            for (const auto& change : increment.transaction().surface_change()) {
-                if (change.id() == mBGLayerId && change.SurfaceChange_case() == changeCase) {
-                    switch (changeCase) {
-                        case SurfaceChange::SurfaceChangeCase::kPosition:
-                            // foundUpdate is sent for the tests to fail on duplicated increments
-                            foundUpdate = positionUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kSize:
-                            foundUpdate = sizeUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kAlpha:
-                            foundUpdate = alphaUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kLayer:
-                            foundUpdate = layerUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kCrop:
-                            foundUpdate = cropUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kCornerRadius:
-                            foundUpdate = cornerRadiusUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kBackgroundBlurRadius:
-                            foundUpdate = backgroundBlurRadiusUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kBlurRegions:
-                            foundUpdate = blurRegionsUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kMatrix:
-                            foundUpdate = matrixUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kTransparentRegionHint:
-                            foundUpdate = transparentRegionHintUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kLayerStack:
-                            foundUpdate = layerStackUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kHiddenFlag:
-                            foundUpdate = hiddenFlagUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kOpaqueFlag:
-                            foundUpdate = opaqueFlagUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kSecureFlag:
-                            foundUpdate = secureFlagUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kReparent:
-                            foundUpdate = reparentUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kRelativeParent:
-                            foundUpdate = relativeParentUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kShadowRadius:
-                            foundUpdate = shadowRadiusUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::kTrustedOverlay:
-                            foundUpdate = trustedOverlayUpdateFound(change, foundUpdate);
-                            break;
-                        case SurfaceChange::SurfaceChangeCase::SURFACECHANGE_NOT_SET:
-                            break;
-                    }
-                }
-            }
-        }
-    }
-    return foundUpdate;
-}
-
-void SurfaceInterceptorTest::assertAllUpdatesFound(const Trace& trace) {
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kPosition));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kSize));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kAlpha));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kLayer));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kCrop));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kMatrix));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kTransparentRegionHint));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kLayerStack));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kHiddenFlag));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kOpaqueFlag));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kSecureFlag));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kReparent));
-    ASSERT_TRUE(surfaceUpdateFound(trace, SurfaceChange::SurfaceChangeCase::kRelativeParent));
-}
-
-bool SurfaceInterceptorTest::surfaceCreationFound(const Increment& increment, bool foundSurface) {
-    bool isMatch(increment.surface_creation().name() == getUniqueName(LAYER_NAME, increment));
-    if (isMatch && !foundSurface) {
-        foundSurface = true;
-    } else if (isMatch && foundSurface) {
-        [] () { FAIL(); }();
-    }
-    return foundSurface;
-}
-
-bool SurfaceInterceptorTest::surfaceDeletionFound(const Increment& increment,
-        const int32_t targetId, bool foundSurface) {
-    bool isMatch(increment.surface_deletion().id() == targetId);
-    if (isMatch && !foundSurface) {
-        foundSurface = true;
-    } else if (isMatch && foundSurface) {
-        [] () { FAIL(); }();
-    }
-    return foundSurface;
-}
-
-bool SurfaceInterceptorTest::displayCreationFound(const Increment& increment, bool foundDisplay) {
-    bool isMatch(increment.display_creation().name() == DISPLAY_NAME.string() &&
-                 !increment.display_creation().is_secure());
-    if (isMatch && !foundDisplay) {
-        foundDisplay = true;
-    } else if (isMatch && foundDisplay) {
-        [] () { FAIL(); }();
-    }
-    return foundDisplay;
-}
-
-bool SurfaceInterceptorTest::displayDeletionFound(const Increment& increment,
-        const int32_t targetId, bool foundDisplay) {
-    bool isMatch(increment.display_deletion().id() == targetId);
-    if (isMatch && !foundDisplay) {
-        foundDisplay = true;
-    } else if (isMatch && foundDisplay) {
-        [] () { FAIL(); }();
-    }
-    return foundDisplay;
-}
-
-bool SurfaceInterceptorTest::singleIncrementFound(const Trace& trace,
-        Increment::IncrementCase incrementCase) {
-    bool foundIncrement = false;
-    for (const auto& increment : trace.increment()) {
-        if (increment.increment_case() == incrementCase) {
-            int32_t targetId = 0;
-            switch (incrementCase) {
-                case Increment::IncrementCase::kSurfaceCreation:
-                    foundIncrement = surfaceCreationFound(increment, foundIncrement);
-                    break;
-                case Increment::IncrementCase::kSurfaceDeletion:
-                    // Find the id of created surface.
-                    targetId = getSurfaceId(trace, LAYER_NAME);
-                    foundIncrement = surfaceDeletionFound(increment, targetId, foundIncrement);
-                    break;
-                case Increment::IncrementCase::kDisplayCreation:
-                    foundIncrement = displayCreationFound(increment, foundIncrement);
-                    break;
-                case Increment::IncrementCase::kDisplayDeletion:
-                    // Find the id of created display.
-                    targetId = getDisplayId(trace, DISPLAY_NAME.string());
-                    foundIncrement = displayDeletionFound(increment, targetId, foundIncrement);
-                    break;
-                default:
-                    /* code */
-                    break;
-            }
-        }
-    }
-    return foundIncrement;
-}
-
-bool SurfaceInterceptorTest::bufferUpdatesFound(const Trace& trace) {
-    uint32_t updates = 0;
-    for (const auto& inc : trace.increment()) {
-        if (inc.increment_case() == inc.kBufferUpdate && inc.buffer_update().id() == mBGLayerId) {
-            updates++;
-        }
-    }
-    return updates == BUFFER_UPDATES;
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptPositionUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::positionUpdate,
-            SurfaceChange::SurfaceChangeCase::kPosition);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptSizeUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::sizeUpdate, SurfaceChange::SurfaceChangeCase::kSize);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptAlphaUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::alphaUpdate, SurfaceChange::SurfaceChangeCase::kAlpha);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptLayerUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::layerUpdate, SurfaceChange::SurfaceChangeCase::kLayer);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptCropUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::cropUpdate, SurfaceChange::SurfaceChangeCase::kCrop);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptCornerRadiusUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::cornerRadiusUpdate,
-            SurfaceChange::SurfaceChangeCase::kCornerRadius);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptBackgroundBlurRadiusUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::backgroundBlurRadiusUpdate,
-                SurfaceChange::SurfaceChangeCase::kBackgroundBlurRadius);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptBlurRegionsUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::blurRegionsUpdate,
-                SurfaceChange::SurfaceChangeCase::kBlurRegions);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptMatrixUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::matrixUpdate, SurfaceChange::SurfaceChangeCase::kMatrix);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptTransparentRegionHintUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::transparentRegionHintUpdate,
-            SurfaceChange::SurfaceChangeCase::kTransparentRegionHint);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptLayerStackUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::layerStackUpdate,
-            SurfaceChange::SurfaceChangeCase::kLayerStack);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptHiddenFlagUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::hiddenFlagUpdate,
-            SurfaceChange::SurfaceChangeCase::kHiddenFlag);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptOpaqueFlagUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::opaqueFlagUpdate,
-            SurfaceChange::SurfaceChangeCase::kOpaqueFlag);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptSecureFlagUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::secureFlagUpdate,
-            SurfaceChange::SurfaceChangeCase::kSecureFlag);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptReparentUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::reparentUpdate,
-                SurfaceChange::SurfaceChangeCase::kReparent);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptRelativeParentUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::relativeParentUpdate,
-                SurfaceChange::SurfaceChangeCase::kRelativeParent);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptShadowRadiusUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::shadowRadiusUpdate,
-                SurfaceChange::SurfaceChangeCase::kShadowRadius);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptTrustedOverlayUpdateWorks) {
-    captureTest(&SurfaceInterceptorTest::trustedOverlayUpdate,
-                SurfaceChange::SurfaceChangeCase::kTrustedOverlay);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptAllUpdatesWorks) {
-    captureTest(&SurfaceInterceptorTest::runAllUpdates,
-                &SurfaceInterceptorTest::assertAllUpdatesFound);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptSurfaceCreationWorks) {
-    captureTest(&SurfaceInterceptorTest::surfaceCreation,
-            Increment::IncrementCase::kSurfaceCreation);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptDisplayCreationWorks) {
-    captureTest(&SurfaceInterceptorTest::displayCreation,
-            Increment::IncrementCase::kDisplayCreation);
-}
-
-TEST_F(SurfaceInterceptorTest, InterceptDisplayDeletionWorks) {
-    enableInterceptor();
-    runInTransaction(&SurfaceInterceptorTest::displayDeletion);
-    disableInterceptor();
-    Trace capturedTrace;
-    ASSERT_EQ(NO_ERROR, readProtoFile(&capturedTrace));
-    ASSERT_TRUE(singleIncrementFound(capturedTrace, Increment::IncrementCase::kDisplayDeletion));
-}
-
-// If the interceptor is enabled while buffer updates are being pushed, the interceptor should
-// first create a snapshot of the existing displays and surfaces and then start capturing
-// the buffer updates
-TEST_F(SurfaceInterceptorTest, InterceptWhileBufferUpdatesWorks) {
-    setupBackgroundSurface();
-    std::thread bufferUpdates(&SurfaceInterceptorTest::nBufferUpdates, this);
-    enableInterceptor();
-    disableInterceptor();
-    bufferUpdates.join();
-
-    Trace capturedTrace;
-    ASSERT_EQ(NO_ERROR, readProtoFile(&capturedTrace));
-    const auto& firstIncrement = capturedTrace.mutable_increment(0);
-    ASSERT_EQ(firstIncrement->increment_case(), Increment::IncrementCase::kDisplayCreation);
-}
-}
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
diff --git a/services/surfaceflinger/tests/TransactionTestHarnesses.h b/services/surfaceflinger/tests/TransactionTestHarnesses.h
index 8ce63bc64c..797a64c7d7 100644
--- a/services/surfaceflinger/tests/TransactionTestHarnesses.h
+++ b/services/surfaceflinger/tests/TransactionTestHarnesses.h
@@ -35,7 +35,10 @@ public:
                 return mDelegate->screenshot();
             case RenderPath::VIRTUAL_DISPLAY:
 
-                const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+                const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+                const auto displayToken = ids.empty()
+                        ? nullptr
+                        : SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
 
                 ui::DisplayState displayState;
                 SurfaceComposerClient::getDisplayState(displayToken, &displayState);
@@ -53,11 +56,11 @@ public:
                 consumer->setConsumerName(String8("Virtual disp consumer"));
                 consumer->setDefaultBufferSize(resolution.getWidth(), resolution.getHeight());
 
-                itemConsumer = new BufferItemConsumer(consumer,
-                                                      // Sample usage bits from screenrecord
-                                                      GRALLOC_USAGE_HW_VIDEO_ENCODER |
-                                                              GRALLOC_USAGE_SW_READ_OFTEN);
-                sp<BufferListener> listener = new BufferListener(this);
+                itemConsumer = sp<BufferItemConsumer>::make(consumer,
+                                                            // Sample usage bits from screenrecord
+                                                            GRALLOC_USAGE_HW_VIDEO_ENCODER |
+                                                                    GRALLOC_USAGE_SW_READ_OFTEN);
+                sp<BufferListener> listener = sp<BufferListener>::make(this);
                 itemConsumer->setFrameAvailableListener(listener);
 
                 vDisplay = SurfaceComposerClient::createDisplay(String8("VirtualDisplay"),
diff --git a/services/surfaceflinger/tests/VirtualDisplay_test.cpp b/services/surfaceflinger/tests/VirtualDisplay_test.cpp
index 18e08062c0..f31f582ffd 100644
--- a/services/surfaceflinger/tests/VirtualDisplay_test.cpp
+++ b/services/surfaceflinger/tests/VirtualDisplay_test.cpp
@@ -33,7 +33,7 @@ protected:
         consumer->setConsumerName(String8("Virtual disp consumer"));
         consumer->setDefaultBufferSize(100, 100);
 
-        mGLConsumer = new GLConsumer(consumer, GLConsumer::TEXTURE_EXTERNAL, true, false);
+        mGLConsumer = sp<GLConsumer>::make(consumer, GLConsumer::TEXTURE_EXTERNAL, true, false);
     }
 
     sp<IGraphicBufferProducer> mProducer;
@@ -55,7 +55,7 @@ TEST_F(VirtualDisplayTest, VirtualDisplayDestroyedSurfaceReuse) {
     // add another sync since we are deferring the display destruction
     t.apply(true);
 
-    sp<Surface> surface = new Surface(mProducer);
+    sp<Surface> surface = sp<Surface>::make(mProducer);
     sp<ANativeWindow> window(surface);
 
     ASSERT_EQ(NO_ERROR, native_window_api_connect(window.get(), NATIVE_WINDOW_API_EGL));
diff --git a/services/surfaceflinger/tests/WindowInfosListener_test.cpp b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
index bb522451a6..53c3c3998f 100644
--- a/services/surfaceflinger/tests/WindowInfosListener_test.cpp
+++ b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
@@ -29,8 +29,8 @@ class WindowInfosListenerTest : public ::testing::Test {
 protected:
     void SetUp() override {
         seteuid(AID_SYSTEM);
-        mClient = new SurfaceComposerClient;
-        mWindowInfosListener = new SyncWindowInfosListener();
+        mClient = sp<SurfaceComposerClient>::make();
+        mWindowInfosListener = sp<SyncWindowInfosListener>::make();
         mClient->addWindowInfosListener(mWindowInfosListener);
     }
 
@@ -77,7 +77,7 @@ std::optional<WindowInfo> findMatchingWindowInfo(WindowInfo targetWindowInfo,
 
 TEST_F(WindowInfosListenerTest, WindowInfoAddedAndRemoved) {
     std::string name = "Test Layer";
-    sp<IBinder> token = new BBinder();
+    sp<IBinder> token = sp<BBinder>::make();
     WindowInfo windowInfo;
     windowInfo.name = name;
     windowInfo.token = token;
@@ -105,7 +105,7 @@ TEST_F(WindowInfosListenerTest, WindowInfoAddedAndRemoved) {
 
 TEST_F(WindowInfosListenerTest, WindowInfoChanged) {
     std::string name = "Test Layer";
-    sp<IBinder> token = new BBinder();
+    sp<IBinder> token = sp<BBinder>::make();
     WindowInfo windowInfo;
     windowInfo.name = name;
     windowInfo.token = token;
diff --git a/services/surfaceflinger/tests/fakehwc/Android.bp b/services/surfaceflinger/tests/fakehwc/Android.bp
deleted file mode 100644
index 704815de3a..0000000000
--- a/services/surfaceflinger/tests/fakehwc/Android.bp
+++ /dev/null
@@ -1,63 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_native_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_native_license"],
-}
-
-cc_test {
-    name: "sffakehwc_test",
-    defaults: ["surfaceflinger_defaults"],
-    test_suites: ["device-tests"],
-    srcs: [
-        "FakeComposerClient.cpp",
-        "FakeComposerService.cpp",
-        "FakeComposerUtils.cpp",
-        "SFFakeHwc_test.cpp",
-    ],
-    require_root: true,
-    shared_libs: [
-        "android.hardware.graphics.composer@2.1",
-        "android.hardware.graphics.composer@2.2",
-        "android.hardware.graphics.composer@2.3",
-        "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
-        "android.hardware.graphics.mapper@2.0",
-        "android.hardware.graphics.mapper@3.0",
-        "android.hardware.graphics.mapper@4.0",
-        "android.hardware.power@1.3",
-        "android.hardware.power-V2-cpp",
-        "libbase",
-        "libbinder",
-        "libbinder_ndk",
-        "libcutils",
-        "libfmq",
-        "libgui",
-        "libhidlbase",
-        "liblayers_proto",
-        "liblog",
-        "libnativewindow",
-        "libsync",
-        "libtimestats",
-        "libui",
-        "libutils",
-    ],
-    static_libs: [
-        "android.hardware.graphics.composer@2.1-resources",
-        "libaidlcommonsupport",
-        "libcompositionengine",
-        "libgmock",
-        "libperfetto_client_experimental",
-        "librenderengine",
-        "libtrace_proto",
-        "libaidlcommonsupport",
-    ],
-    header_libs: [
-        "android.hardware.graphics.composer@2.4-command-buffer",
-        "android.hardware.graphics.composer@2.4-hal",
-        "android.hardware.graphics.composer3-command-buffer",
-        "libsurfaceflinger_headers",
-    ],
-}
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
deleted file mode 100644
index b38032d265..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
+++ /dev/null
@@ -1,927 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-//#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "FakeComposer"
-
-#include "FakeComposerClient.h"
-
-#include <gui/SurfaceComposerClient.h>
-
-#include <log/log.h>
-
-#include <gtest/gtest.h>
-
-#include <inttypes.h>
-#include <time.h>
-#include <algorithm>
-#include <condition_variable>
-#include <iostream>
-#include <mutex>
-#include <set>
-#include <thread>
-
-constexpr Config NULL_DISPLAY_CONFIG = static_cast<Config>(0);
-
-using namespace sftest;
-
-using android::Condition;
-using android::Mutex;
-
-using Clock = std::chrono::steady_clock;
-using TimePoint = std::chrono::time_point<Clock>;
-
-namespace {
-
-// Internal state of a layer in the HWC API.
-class LayerImpl {
-public:
-    LayerImpl() = default;
-
-    bool mValid = true;
-    RenderState mRenderState;
-    uint32_t mZ = 0;
-};
-
-// Struct for storing per frame rectangle state. Contains the render
-// state shared to the test case. Basically a snapshot and a subset of
-// LayerImpl sufficient to re-create the pixels of a layer for the
-// frame.
-struct FrameRect {
-public:
-    FrameRect(Layer layer_, const RenderState& state, uint32_t z_)
-          : layer(layer_), renderState(state), z(z_) {}
-
-    const Layer layer;
-    const RenderState renderState;
-    const uint32_t z;
-};
-
-// Collection of FrameRects forming one rendered frame. Could store
-// related fences and other data in the future.
-class Frame {
-public:
-    Frame() = default;
-    std::vector<std::unique_ptr<FrameRect>> rectangles;
-};
-
-class DelayedEventGenerator {
-public:
-    explicit DelayedEventGenerator(std::function<void()> onTimerExpired)
-          : mOnTimerExpired(onTimerExpired), mThread([this]() { loop(); }) {}
-
-    ~DelayedEventGenerator() {
-        ALOGI("DelayedEventGenerator exiting.");
-        {
-            std::unique_lock<std::mutex> lock(mMutex);
-            mRunning = false;
-            mWakeups.clear();
-            mCondition.notify_one();
-        }
-        mThread.join();
-        ALOGI("DelayedEventGenerator exited.");
-    }
-
-    void wakeAfter(std::chrono::nanoseconds waitTime) {
-        std::unique_lock<std::mutex> lock(mMutex);
-        mWakeups.insert(Clock::now() + waitTime);
-        mCondition.notify_one();
-    }
-
-private:
-    void loop() {
-        while (true) {
-            // Lock scope
-            {
-                std::unique_lock<std::mutex> lock(mMutex);
-                mCondition.wait(lock, [this]() { return !mRunning || !mWakeups.empty(); });
-                if (!mRunning && mWakeups.empty()) {
-                    // This thread should only exit once the destructor has been called and all
-                    // wakeups have been processed
-                    return;
-                }
-
-                // At this point, mWakeups will not be empty
-
-                TimePoint target = *(mWakeups.begin());
-                auto status = mCondition.wait_until(lock, target);
-                while (status == std::cv_status::no_timeout) {
-                    // This was either a spurious wakeup or another wakeup was added, so grab the
-                    // oldest point and wait again
-                    target = *(mWakeups.begin());
-                    status = mCondition.wait_until(lock, target);
-                }
-
-                // status must have been timeout, so we can finally clear this point
-                mWakeups.erase(target);
-            }
-            // Callback *without* locks!
-            mOnTimerExpired();
-        }
-    }
-
-    std::function<void()> mOnTimerExpired;
-    std::thread mThread;
-    std::mutex mMutex;
-    std::condition_variable mCondition;
-    bool mRunning = true;
-    std::set<TimePoint> mWakeups;
-};
-
-} // namespace
-
-FakeComposerClient::FakeComposerClient()
-      : mEventCallback(nullptr),
-        mEventCallback_2_4(nullptr),
-        mCurrentConfig(NULL_DISPLAY_CONFIG),
-        mVsyncEnabled(false),
-        mLayers(),
-        mDelayedEventGenerator(
-                std::make_unique<DelayedEventGenerator>([this]() { this->requestVSync(); })),
-        mSurfaceComposer(nullptr) {}
-
-FakeComposerClient::~FakeComposerClient() {}
-
-bool FakeComposerClient::hasCapability(hwc2_capability_t /*capability*/) {
-    return false;
-}
-
-std::string FakeComposerClient::dumpDebugInfo() {
-    return {};
-}
-
-void FakeComposerClient::registerEventCallback(EventCallback* callback) {
-    ALOGV("registerEventCallback");
-    LOG_FATAL_IF(mEventCallback_2_4 != nullptr,
-                 "already registered using registerEventCallback_2_4");
-
-    mEventCallback = callback;
-    if (mEventCallback) {
-        mEventCallback->onHotplug(PRIMARY_DISPLAY, IComposerCallback::Connection::CONNECTED);
-    }
-}
-
-void FakeComposerClient::unregisterEventCallback() {
-    ALOGV("unregisterEventCallback");
-    mEventCallback = nullptr;
-}
-
-void FakeComposerClient::hotplugDisplay(Display display, IComposerCallback::Connection state) {
-    if (mEventCallback) {
-        mEventCallback->onHotplug(display, state);
-    } else if (mEventCallback_2_4) {
-        mEventCallback_2_4->onHotplug(display, state);
-    }
-}
-
-void FakeComposerClient::refreshDisplay(Display display) {
-    if (mEventCallback) {
-        mEventCallback->onRefresh(display);
-    } else if (mEventCallback_2_4) {
-        mEventCallback_2_4->onRefresh(display);
-    }
-}
-
-uint32_t FakeComposerClient::getMaxVirtualDisplayCount() {
-    ALOGV("getMaxVirtualDisplayCount");
-    return 1;
-}
-
-V2_1::Error FakeComposerClient::createVirtualDisplay(uint32_t /*width*/, uint32_t /*height*/,
-                                                     V1_0::PixelFormat* /*format*/,
-                                                     Display* /*outDisplay*/) {
-    ALOGV("createVirtualDisplay");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::destroyVirtualDisplay(Display /*display*/) {
-    ALOGV("destroyVirtualDisplay");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::createLayer(Display /*display*/, Layer* outLayer) {
-    ALOGV("createLayer");
-    *outLayer = mLayers.size();
-    auto newLayer = std::make_unique<LayerImpl>();
-    mLayers.push_back(std::move(newLayer));
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::destroyLayer(Display /*display*/, Layer layer) {
-    ALOGV("destroyLayer");
-    mLayers[layer]->mValid = false;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getActiveConfig(Display display, Config* outConfig) {
-    ALOGV("getActiveConfig");
-    if (mMockHal) {
-        return mMockHal->getActiveConfig(display, outConfig);
-    }
-
-    // TODO Assert outConfig != nullptr
-
-    // TODO This is my reading of the
-    // IComposerClient::getActiveConfig, but returning BAD_CONFIG
-    // seems to not fit SurfaceFlinger plans. See version 2 below.
-    // if (mCurrentConfig == NULL_DISPLAY_CONFIG) {
-    //     return V2_1::Error::BAD_CONFIG;
-    // }
-    //*outConfig = mCurrentConfig;
-    *outConfig = 1; // Very special config for you my friend
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getClientTargetSupport(Display /*display*/, uint32_t /*width*/,
-                                                       uint32_t /*height*/,
-                                                       V1_0::PixelFormat /*format*/,
-                                                       V1_0::Dataspace /*dataspace*/) {
-    ALOGV("getClientTargetSupport");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getColorModes(Display /*display*/,
-                                              hidl_vec<V1_0::ColorMode>* /*outModes*/) {
-    ALOGV("getColorModes");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getDisplayAttribute(Display display, Config config,
-                                                    V2_1::IComposerClient::Attribute attribute,
-                                                    int32_t* outValue) {
-    auto tmpError =
-            getDisplayAttribute_2_4(display, config,
-                                    static_cast<IComposerClient::Attribute>(attribute), outValue);
-    return static_cast<V2_1::Error>(tmpError);
-}
-
-V2_1::Error FakeComposerClient::getDisplayConfigs(Display display, hidl_vec<Config>* outConfigs) {
-    ALOGV("getDisplayConfigs");
-    if (mMockHal) {
-        return mMockHal->getDisplayConfigs(display, outConfigs);
-    }
-
-    // TODO assert display == 1, outConfigs != nullptr
-
-    outConfigs->resize(1);
-    (*outConfigs)[0] = 1;
-
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getDisplayName(Display /*display*/, hidl_string* /*outName*/) {
-    ALOGV("getDisplayName");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getDisplayType(Display /*display*/,
-                                               IComposerClient::DisplayType* outType) {
-    ALOGV("getDisplayType");
-    // TODO: This setting nothing on the output had no effect on initial trials. Is first display
-    // assumed to be physical?
-    *outType = static_cast<IComposerClient::DisplayType>(HWC2_DISPLAY_TYPE_PHYSICAL);
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getDozeSupport(Display /*display*/, bool* /*outSupport*/) {
-    ALOGV("getDozeSupport");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::getHdrCapabilities(Display /*display*/,
-                                                   hidl_vec<V1_0::Hdr>* /*outTypes*/,
-                                                   float* /*outMaxLuminance*/,
-                                                   float* /*outMaxAverageLuminance*/,
-                                                   float* /*outMinLuminance*/) {
-    ALOGV("getHdrCapabilities");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setActiveConfig(Display display, Config config) {
-    ALOGV("setActiveConfig");
-    if (mMockHal) {
-        return mMockHal->setActiveConfig(display, config);
-    }
-    mCurrentConfig = config;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setColorMode(Display /*display*/, V1_0::ColorMode /*mode*/) {
-    ALOGV("setColorMode");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setPowerMode(Display /*display*/,
-                                             V2_1::IComposerClient::PowerMode /*mode*/) {
-    ALOGV("setPowerMode");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setVsyncEnabled(Display /*display*/,
-                                                IComposerClient::Vsync enabled) {
-    mVsyncEnabled = (enabled == IComposerClient::Vsync::ENABLE);
-    ALOGV("setVsyncEnabled(%s)", mVsyncEnabled ? "ENABLE" : "DISABLE");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setColorTransform(Display /*display*/, const float* /*matrix*/,
-                                                  int32_t /*hint*/) {
-    ALOGV("setColorTransform");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setClientTarget(Display /*display*/, buffer_handle_t /*target*/,
-                                                int32_t /*acquireFence*/, int32_t /*dataspace*/,
-                                                const std::vector<hwc_rect_t>& /*damage*/) {
-    ALOGV("setClientTarget");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setOutputBuffer(Display /*display*/, buffer_handle_t /*buffer*/,
-                                                int32_t /*releaseFence*/) {
-    ALOGV("setOutputBuffer");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::validateDisplay(
-        Display /*display*/, std::vector<Layer>* /*outChangedLayers*/,
-        std::vector<IComposerClient::Composition>* /*outCompositionTypes*/,
-        uint32_t* /*outDisplayRequestMask*/, std::vector<Layer>* /*outRequestedLayers*/,
-        std::vector<uint32_t>* /*outRequestMasks*/) {
-    ALOGV("validateDisplay");
-    // TODO: Assume touching nothing means All Korrekt!
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::acceptDisplayChanges(Display /*display*/) {
-    ALOGV("acceptDisplayChanges");
-    // Didn't ask for changes because software is omnipotent.
-    return V2_1::Error::NONE;
-}
-
-bool layerZOrdering(const std::unique_ptr<FrameRect>& a, const std::unique_ptr<FrameRect>& b) {
-    return a->z <= b->z;
-}
-
-V2_1::Error FakeComposerClient::presentDisplay(Display /*display*/, int32_t* /*outPresentFence*/,
-                                               std::vector<Layer>* /*outLayers*/,
-                                               std::vector<int32_t>* /*outReleaseFences*/) {
-    ALOGV("presentDisplay");
-    // TODO Leaving layers and their fences out for now. Doing so
-    // means that we've already processed everything. Important to
-    // test that the fences are respected, though. (How?)
-
-    std::unique_ptr<Frame> newFrame(new Frame);
-    for (uint64_t layer = 0; layer < mLayers.size(); layer++) {
-        const LayerImpl& layerImpl = *mLayers[layer];
-
-        if (!layerImpl.mValid) continue;
-
-        auto rect = std::make_unique<FrameRect>(layer, layerImpl.mRenderState, layerImpl.mZ);
-        newFrame->rectangles.push_back(std::move(rect));
-    }
-    std::sort(newFrame->rectangles.begin(), newFrame->rectangles.end(), layerZOrdering);
-    {
-        Mutex::Autolock _l(mStateMutex);
-        mFrames.push_back(std::move(newFrame));
-        mFramesAvailable.broadcast();
-    }
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerCursorPosition(Display /*display*/, Layer /*layer*/,
-                                                       int32_t /*x*/, int32_t /*y*/) {
-    ALOGV("setLayerCursorPosition");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerBuffer(Display /*display*/, Layer layer,
-                                               buffer_handle_t buffer, int32_t acquireFence) {
-    ALOGV("setLayerBuffer");
-    LayerImpl& l = getLayerImpl(layer);
-    if (buffer != l.mRenderState.mBuffer) {
-        l.mRenderState.mSwapCount++; // TODO: Is setting to same value a swap or not?
-    }
-    l.mRenderState.mBuffer = buffer;
-    l.mRenderState.mAcquireFence = acquireFence;
-
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerSurfaceDamage(Display /*display*/, Layer /*layer*/,
-                                                      const std::vector<hwc_rect_t>& /*damage*/) {
-    ALOGV("setLayerSurfaceDamage");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerBlendMode(Display /*display*/, Layer layer, int32_t mode) {
-    ALOGV("setLayerBlendMode");
-    getLayerImpl(layer).mRenderState.mBlendMode = static_cast<hwc2_blend_mode_t>(mode);
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerColor(Display /*display*/, Layer layer,
-                                              IComposerClient::Color color) {
-    ALOGV("setLayerColor");
-    getLayerImpl(layer).mRenderState.mLayerColor.r = color.r;
-    getLayerImpl(layer).mRenderState.mLayerColor.g = color.g;
-    getLayerImpl(layer).mRenderState.mLayerColor.b = color.b;
-    getLayerImpl(layer).mRenderState.mLayerColor.a = color.a;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerCompositionType(Display /*display*/, Layer /*layer*/,
-                                                        int32_t /*type*/) {
-    ALOGV("setLayerCompositionType");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerDataspace(Display /*display*/, Layer /*layer*/,
-                                                  int32_t /*dataspace*/) {
-    ALOGV("setLayerDataspace");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerDisplayFrame(Display /*display*/, Layer layer,
-                                                     const hwc_rect_t& frame) {
-    ALOGV("setLayerDisplayFrame (%d, %d, %d, %d)", frame.left, frame.top, frame.right,
-          frame.bottom);
-    getLayerImpl(layer).mRenderState.mDisplayFrame = frame;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerPlaneAlpha(Display /*display*/, Layer layer, float alpha) {
-    ALOGV("setLayerPlaneAlpha");
-    getLayerImpl(layer).mRenderState.mPlaneAlpha = alpha;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerSidebandStream(Display /*display*/, Layer /*layer*/,
-                                                       buffer_handle_t /*stream*/) {
-    ALOGV("setLayerSidebandStream");
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerSourceCrop(Display /*display*/, Layer layer,
-                                                   const hwc_frect_t& crop) {
-    ALOGV("setLayerSourceCrop");
-    getLayerImpl(layer).mRenderState.mSourceCrop = crop;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerTransform(Display /*display*/, Layer layer,
-                                                  int32_t transform) {
-    ALOGV("setLayerTransform");
-    getLayerImpl(layer).mRenderState.mTransform = static_cast<hwc_transform_t>(transform);
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerVisibleRegion(Display /*display*/, Layer layer,
-                                                      const std::vector<hwc_rect_t>& visible) {
-    ALOGV("setLayerVisibleRegion");
-    getLayerImpl(layer).mRenderState.mVisibleRegion = visible;
-    return V2_1::Error::NONE;
-}
-
-V2_1::Error FakeComposerClient::setLayerZOrder(Display /*display*/, Layer layer, uint32_t z) {
-    ALOGV("setLayerZOrder");
-    getLayerImpl(layer).mZ = z;
-    return V2_1::Error::NONE;
-}
-
-// Composer 2.2
-V2_1::Error FakeComposerClient::getPerFrameMetadataKeys(
-        Display /*display*/, std::vector<V2_2::IComposerClient::PerFrameMetadataKey>* /*outKeys*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setLayerPerFrameMetadata(
-        Display /*display*/, Layer /*layer*/,
-        const std::vector<V2_2::IComposerClient::PerFrameMetadata>& /*metadata*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getReadbackBufferAttributes(
-        Display /*display*/, graphics::common::V1_1::PixelFormat* /*outFormat*/,
-        graphics::common::V1_1::Dataspace* /*outDataspace*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setReadbackBuffer(Display /*display*/,
-                                                  const native_handle_t* /*bufferHandle*/,
-                                                  android::base::unique_fd /*fenceFd*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getReadbackBufferFence(Display /*display*/,
-                                                       android::base::unique_fd* /*outFenceFd*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::createVirtualDisplay_2_2(
-        uint32_t /*width*/, uint32_t /*height*/, graphics::common::V1_1::PixelFormat* /*format*/,
-        Display* /*outDisplay*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-V2_1::Error FakeComposerClient::getClientTargetSupport_2_2(
-        Display /*display*/, uint32_t /*width*/, uint32_t /*height*/,
-        graphics::common::V1_1::PixelFormat /*format*/,
-        graphics::common::V1_1::Dataspace /*dataspace*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setPowerMode_2_2(Display /*display*/,
-                                                 V2_2::IComposerClient::PowerMode /*mode*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setLayerFloatColor(Display /*display*/, Layer /*layer*/,
-                                                   V2_2::IComposerClient::FloatColor /*color*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getColorModes_2_2(
-        Display /*display*/, hidl_vec<graphics::common::V1_1::ColorMode>* /*outModes*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getRenderIntents(
-        Display /*display*/, graphics::common::V1_1::ColorMode /*mode*/,
-        std::vector<graphics::common::V1_1::RenderIntent>* /*outIntents*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setColorMode_2_2(Display /*display*/,
-                                                 graphics::common::V1_1::ColorMode /*mode*/,
-                                                 graphics::common::V1_1::RenderIntent /*intent*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-std::array<float, 16> FakeComposerClient::getDataspaceSaturationMatrix(
-        graphics::common::V1_1::Dataspace /*dataspace*/) {
-    return {};
-}
-
-// Composer 2.3
-V2_1::Error FakeComposerClient::getPerFrameMetadataKeys_2_3(
-        Display /*display*/, std::vector<V2_3::IComposerClient::PerFrameMetadataKey>* /*outKeys*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setColorMode_2_3(Display /*display*/,
-                                                 graphics::common::V1_2::ColorMode /*mode*/,
-                                                 graphics::common::V1_1::RenderIntent /*intent*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getRenderIntents_2_3(
-        Display /*display*/, graphics::common::V1_2::ColorMode /*mode*/,
-        std::vector<graphics::common::V1_1::RenderIntent>* /*outIntents*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getColorModes_2_3(
-        Display /*display*/, hidl_vec<graphics::common::V1_2::ColorMode>* /*outModes*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getClientTargetSupport_2_3(
-        Display /*display*/, uint32_t /*width*/, uint32_t /*height*/,
-        graphics::common::V1_2::PixelFormat /*format*/,
-        graphics::common::V1_2::Dataspace /*dataspace*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getReadbackBufferAttributes_2_3(
-        Display /*display*/, graphics::common::V1_2::PixelFormat* /*outFormat*/,
-        graphics::common::V1_2::Dataspace* /*outDataspace*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getHdrCapabilities_2_3(
-        Display /*display*/, hidl_vec<graphics::common::V1_2::Hdr>* /*outTypes*/,
-        float* /*outMaxLuminance*/, float* /*outMaxAverageLuminance*/, float* /*outMinLuminance*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setLayerPerFrameMetadata_2_3(
-        Display /*display*/, Layer /*layer*/,
-        const std::vector<V2_3::IComposerClient::PerFrameMetadata>& /*metadata*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getDisplayIdentificationData(Display /*display*/,
-                                                             uint8_t* /*outPort*/,
-                                                             std::vector<uint8_t>* /*outData*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setLayerColorTransform(Display /*display*/, Layer /*layer*/,
-                                                       const float* /*matrix*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getDisplayedContentSamplingAttributes(
-        uint64_t /*display*/, graphics::common::V1_2::PixelFormat& /*format*/,
-        graphics::common::V1_2::Dataspace& /*dataspace*/,
-        hidl_bitfield<V2_3::IComposerClient::FormatColorComponent>& /*componentMask*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setDisplayedContentSamplingEnabled(
-        uint64_t /*display*/, V2_3::IComposerClient::DisplayedContentSampling /*enable*/,
-        hidl_bitfield<V2_3::IComposerClient::FormatColorComponent> /*componentMask*/,
-        uint64_t /*maxFrames*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getDisplayedContentSample(
-        uint64_t /*display*/, uint64_t /*maxFrames*/, uint64_t /*timestamp*/,
-        uint64_t& /*frameCount*/, hidl_vec<uint64_t>& /*sampleComponent0*/,
-        hidl_vec<uint64_t>& /*sampleComponent1*/, hidl_vec<uint64_t>& /*sampleComponent2*/,
-        hidl_vec<uint64_t>& /*sampleComponent3*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getDisplayCapabilities(
-        Display /*display*/,
-        std::vector<V2_3::IComposerClient::DisplayCapability>* /*outCapabilities*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setLayerPerFrameMetadataBlobs(
-        Display /*display*/, Layer /*layer*/,
-        std::vector<V2_3::IComposerClient::PerFrameMetadataBlob>& /*blobs*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::getDisplayBrightnessSupport(Display /*display*/,
-                                                            bool* /*outSupport*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-V2_1::Error FakeComposerClient::setDisplayBrightness(Display /*display*/, float /*brightness*/) {
-    return V2_1::Error::UNSUPPORTED;
-}
-
-// Composer 2.4
-void FakeComposerClient::registerEventCallback_2_4(EventCallback_2_4* callback) {
-    ALOGV("registerEventCallback_2_4");
-    LOG_FATAL_IF(mEventCallback != nullptr, "already registered using registerEventCallback");
-
-    mEventCallback_2_4 = callback;
-    if (mEventCallback_2_4) {
-        mEventCallback_2_4->onHotplug(PRIMARY_DISPLAY, IComposerCallback::Connection::CONNECTED);
-    }
-}
-
-void FakeComposerClient::unregisterEventCallback_2_4() {
-    ALOGV("unregisterEventCallback_2_4");
-    mEventCallback_2_4 = nullptr;
-}
-
-V2_4::Error FakeComposerClient::getDisplayCapabilities_2_4(
-        Display /*display*/,
-        std::vector<V2_4::IComposerClient::DisplayCapability>* /*outCapabilities*/) {
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::getDisplayConnectionType(
-        Display /*display*/, V2_4::IComposerClient::DisplayConnectionType* /*outType*/) {
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::getDisplayAttribute_2_4(Display display, Config config,
-                                                        IComposerClient::Attribute attribute,
-                                                        int32_t* outValue) {
-    ALOGV("getDisplayAttribute (%d, %d, %d, %p)", static_cast<int>(display),
-          static_cast<int>(config), static_cast<int>(attribute), outValue);
-    if (mMockHal) {
-        return mMockHal->getDisplayAttribute_2_4(display, config, attribute, outValue);
-    }
-
-    // TODO: SOOO much fun to be had with these alone
-    switch (attribute) {
-        case IComposerClient::Attribute::WIDTH:
-            *outValue = 1920;
-            break;
-        case IComposerClient::Attribute::HEIGHT:
-            *outValue = 1080;
-            break;
-        case IComposerClient::Attribute::VSYNC_PERIOD:
-            *outValue = 1666666666;
-            break; // TOOD: Tests break down if lowered to 16ms?
-        case IComposerClient::Attribute::DPI_X:
-            *outValue = 240;
-            break;
-        case IComposerClient::Attribute::DPI_Y:
-            *outValue = 240;
-            break;
-        default:
-            LOG_ALWAYS_FATAL("Say what!?! New attribute");
-    }
-
-    return Error::NONE;
-}
-
-V2_4::Error FakeComposerClient::getDisplayVsyncPeriod(Display display,
-                                                      V2_4::VsyncPeriodNanos* outVsyncPeriod) {
-    ALOGV("getDisplayVsyncPeriod");
-    if (mMockHal) {
-        return mMockHal->getDisplayVsyncPeriod(display, outVsyncPeriod);
-    }
-
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::setActiveConfigWithConstraints(
-        Display display, Config config,
-        const V2_4::IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
-        VsyncPeriodChangeTimeline* timeline) {
-    ALOGV("setActiveConfigWithConstraints");
-    if (mMockHal) {
-        return mMockHal->setActiveConfigWithConstraints(display, config,
-                                                        vsyncPeriodChangeConstraints, timeline);
-    }
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::setAutoLowLatencyMode(Display, bool) {
-    ALOGV("setAutoLowLatencyMode");
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::getSupportedContentTypes(
-        Display, std::vector<IComposerClient::ContentType>*) {
-    ALOGV("getSupportedContentTypes");
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::setContentType(Display, IComposerClient::ContentType) {
-    ALOGV("setContentType");
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::validateDisplay_2_4(
-        Display /*display*/, std::vector<Layer>* /*outChangedLayers*/,
-        std::vector<IComposerClient::Composition>* /*outCompositionTypes*/,
-        uint32_t* /*outDisplayRequestMask*/, std::vector<Layer>* /*outRequestedLayers*/,
-        std::vector<uint32_t>* /*outRequestMasks*/,
-        IComposerClient::ClientTargetProperty* /*outClientTargetProperty*/) {
-    return V2_4::Error::NONE;
-}
-
-V2_4::Error FakeComposerClient::setLayerGenericMetadata(Display, Layer, const std::string&, bool,
-                                                        const std::vector<uint8_t>&) {
-    ALOGV("setLayerGenericMetadata");
-    return V2_4::Error::UNSUPPORTED;
-}
-
-V2_4::Error FakeComposerClient::getLayerGenericMetadataKeys(
-        std::vector<IComposerClient::LayerGenericMetadataKey>*) {
-    ALOGV("getLayerGenericMetadataKeys");
-    return V2_4::Error::UNSUPPORTED;
-}
-
-//////////////////////////////////////////////////////////////////
-
-void FakeComposerClient::requestVSync(uint64_t vsyncTime) {
-    if (mEventCallback || mEventCallback_2_4) {
-        uint64_t timestamp = vsyncTime;
-        ALOGV("Vsync");
-        if (timestamp == 0) {
-            struct timespec ts;
-            clock_gettime(CLOCK_MONOTONIC, &ts);
-            timestamp = ts.tv_sec * 1000 * 1000 * 1000 + ts.tv_nsec;
-        }
-        if (mSurfaceComposer != nullptr) {
-            mSurfaceComposer->injectVSync(timestamp);
-        } else if (mEventCallback) {
-            mEventCallback->onVsync(PRIMARY_DISPLAY, timestamp);
-        } else {
-            mEventCallback_2_4->onVsync_2_4(PRIMARY_DISPLAY, timestamp, 16'666'666);
-        }
-    }
-}
-
-void FakeComposerClient::runVSyncAfter(std::chrono::nanoseconds wait) {
-    mDelayedEventGenerator->wakeAfter(wait);
-}
-
-LayerImpl& FakeComposerClient::getLayerImpl(Layer handle) {
-    // TODO Change these to an internal state check that can be
-    // invoked from the gtest? GTest macros do not seem all that safe
-    // when used outside the test class
-    EXPECT_GE(handle, static_cast<Layer>(0));
-    EXPECT_LT(handle, mLayers.size());
-    return *(mLayers[handle]);
-}
-
-int FakeComposerClient::getFrameCount() const {
-    return mFrames.size();
-}
-
-static std::vector<RenderState> extractRenderState(
-        const std::vector<std::unique_ptr<FrameRect>>& internalRects) {
-    std::vector<RenderState> result;
-    result.reserve(internalRects.size());
-    for (const std::unique_ptr<FrameRect>& rect : internalRects) {
-        result.push_back(rect->renderState);
-    }
-    return result;
-}
-
-std::vector<RenderState> FakeComposerClient::getFrameRects(int frame) const {
-    Mutex::Autolock _l(mStateMutex);
-    return extractRenderState(mFrames[frame]->rectangles);
-}
-
-std::vector<RenderState> FakeComposerClient::getLatestFrame() const {
-    Mutex::Autolock _l(mStateMutex);
-    return extractRenderState(mFrames[mFrames.size() - 1]->rectangles);
-}
-
-void FakeComposerClient::runVSyncAndWait(std::chrono::nanoseconds maxWait) {
-    int currentFrame = 0;
-    {
-        Mutex::Autolock _l(mStateMutex); // I hope this is ok...
-        currentFrame = static_cast<int>(mFrames.size());
-        requestVSync();
-    }
-    waitUntilFrame(currentFrame + 1, maxWait);
-}
-
-void FakeComposerClient::waitUntilFrame(int targetFrame, std::chrono::nanoseconds maxWait) const {
-    Mutex::Autolock _l(mStateMutex);
-    while (mFrames.size() < static_cast<size_t>(targetFrame)) {
-        android::status_t result = mFramesAvailable.waitRelative(mStateMutex, maxWait.count());
-        if (result == android::TIMED_OUT) {
-            ALOGE("Waiting for frame %d (at frame %zu now) timed out after %lld ns", targetFrame,
-                  mFrames.size(), maxWait.count());
-            return;
-        }
-    }
-}
-
-void FakeComposerClient::clearFrames() {
-    Mutex::Autolock _l(mStateMutex);
-    mFrames.clear();
-    for (const std::unique_ptr<LayerImpl>& layer : mLayers) {
-        if (layer->mValid) {
-            layer->mRenderState.mSwapCount = 0;
-        }
-    }
-}
-
-void FakeComposerClient::onSurfaceFlingerStart() {
-    mSurfaceComposer = nullptr;
-    do {
-        mSurfaceComposer = new android::SurfaceComposerClient;
-        android::status_t initResult = mSurfaceComposer->initCheck();
-        if (initResult != android::NO_ERROR) {
-            ALOGD("Init result: %d", initResult);
-            mSurfaceComposer = nullptr;
-            std::this_thread::sleep_for(10ms);
-        }
-    } while (mSurfaceComposer == nullptr);
-    ALOGD("SurfaceComposerClient created");
-    mSurfaceComposer->enableVSyncInjections(true);
-}
-
-void FakeComposerClient::onSurfaceFlingerStop() {
-    mSurfaceComposer->enableVSyncInjections(false);
-    mSurfaceComposer->dispose();
-    mSurfaceComposer.clear();
-}
-
-// Includes destroyed layers, stored in order of creation.
-int FakeComposerClient::getLayerCount() const {
-    return mLayers.size();
-}
-
-Layer FakeComposerClient::getLayer(size_t index) const {
-    // NOTE: If/when passing calls through to actual implementation,
-    // this might get more involving.
-    return static_cast<Layer>(index);
-}
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h
deleted file mode 100644
index 600e765e9b..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * Copyright 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <chrono>
-
-#include <composer-hal/2.1/ComposerClient.h>
-#include <composer-hal/2.2/ComposerClient.h>
-#include <composer-hal/2.3/ComposerClient.h>
-#include <composer-hal/2.4/ComposerClient.h>
-#include <utils/Condition.h>
-
-#include "MockComposerHal.h"
-#include "RenderState.h"
-
-using namespace android::hardware::graphics::common;
-using namespace android::hardware::graphics::composer;
-using namespace android::hardware::graphics::composer::V2_4;
-using namespace android::hardware::graphics::composer::V2_4::hal;
-using namespace android::hardware;
-using namespace std::chrono_literals;
-
-namespace {
-class LayerImpl;
-class Frame;
-class DelayedEventGenerator;
-} // namespace
-
-namespace android {
-class SurfaceComposerClient;
-} // namespace android
-
-namespace sftest {
-// NOTE: The ID's need to be exactly these. VR composer and parts of
-// the SurfaceFlinger assume the display IDs to have these values
-// despite the enum being documented as a display type.
-// TODO: Reference to actual documentation
-constexpr Display PRIMARY_DISPLAY = static_cast<Display>(HWC_DISPLAY_PRIMARY);
-constexpr Display EXTERNAL_DISPLAY = static_cast<Display>(HWC_DISPLAY_EXTERNAL);
-
-class FakeComposerClient : public ComposerHal {
-public:
-    FakeComposerClient();
-    virtual ~FakeComposerClient();
-
-    void setMockHal(MockComposerHal* mockHal) { mMockHal = mockHal; }
-
-    bool hasCapability(hwc2_capability_t capability) override;
-
-    std::string dumpDebugInfo() override;
-    void registerEventCallback(EventCallback* callback) override;
-    void unregisterEventCallback() override;
-
-    uint32_t getMaxVirtualDisplayCount() override;
-    V2_1::Error createVirtualDisplay(uint32_t width, uint32_t height, V1_0::PixelFormat* format,
-                                     Display* outDisplay) override;
-    V2_1::Error destroyVirtualDisplay(Display display) override;
-    V2_1::Error createLayer(Display display, Layer* outLayer) override;
-    V2_1::Error destroyLayer(Display display, Layer layer) override;
-
-    V2_1::Error getActiveConfig(Display display, Config* outConfig) override;
-    V2_1::Error getClientTargetSupport(Display display, uint32_t width, uint32_t height,
-                                       V1_0::PixelFormat format,
-                                       V1_0::Dataspace dataspace) override;
-    V2_1::Error getColorModes(Display display, hidl_vec<V1_0::ColorMode>* outModes) override;
-    V2_1::Error getDisplayAttribute(Display display, Config config,
-                                    V2_1::IComposerClient::Attribute attribute,
-                                    int32_t* outValue) override;
-    V2_1::Error getDisplayConfigs(Display display, hidl_vec<Config>* outConfigs) override;
-    V2_1::Error getDisplayName(Display display, hidl_string* outName) override;
-    V2_1::Error getDisplayType(Display display, IComposerClient::DisplayType* outType) override;
-    V2_1::Error getDozeSupport(Display display, bool* outSupport) override;
-    V2_1::Error getHdrCapabilities(Display display, hidl_vec<V1_0::Hdr>* outTypes,
-                                   float* outMaxLuminance, float* outMaxAverageLuminance,
-                                   float* outMinLuminance) override;
-
-    V2_1::Error setActiveConfig(Display display, Config config) override;
-    V2_1::Error setColorMode(Display display, V1_0::ColorMode mode) override;
-    V2_1::Error setPowerMode(Display display, V2_1::IComposerClient::PowerMode mode) override;
-    V2_1::Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) override;
-
-    V2_1::Error setColorTransform(Display display, const float* matrix, int32_t hint) override;
-    V2_1::Error setClientTarget(Display display, buffer_handle_t target, int32_t acquireFence,
-                                int32_t dataspace, const std::vector<hwc_rect_t>& damage) override;
-    V2_1::Error setOutputBuffer(Display display, buffer_handle_t buffer,
-                                int32_t releaseFence) override;
-    V2_1::Error validateDisplay(Display display, std::vector<Layer>* outChangedLayers,
-                                std::vector<IComposerClient::Composition>* outCompositionTypes,
-                                uint32_t* outDisplayRequestMask,
-                                std::vector<Layer>* outRequestedLayers,
-                                std::vector<uint32_t>* outRequestMasks) override;
-    V2_1::Error acceptDisplayChanges(Display display) override;
-    V2_1::Error presentDisplay(Display display, int32_t* outPresentFence,
-                               std::vector<Layer>* outLayers,
-                               std::vector<int32_t>* outReleaseFences) override;
-
-    V2_1::Error setLayerCursorPosition(Display display, Layer layer, int32_t x, int32_t y) override;
-    V2_1::Error setLayerBuffer(Display display, Layer layer, buffer_handle_t buffer,
-                               int32_t acquireFence) override;
-    V2_1::Error setLayerSurfaceDamage(Display display, Layer layer,
-                                      const std::vector<hwc_rect_t>& damage) override;
-    V2_1::Error setLayerBlendMode(Display display, Layer layer, int32_t mode) override;
-    V2_1::Error setLayerColor(Display display, Layer layer, IComposerClient::Color color) override;
-    V2_1::Error setLayerCompositionType(Display display, Layer layer, int32_t type) override;
-    V2_1::Error setLayerDataspace(Display display, Layer layer, int32_t dataspace) override;
-    V2_1::Error setLayerDisplayFrame(Display display, Layer layer,
-                                     const hwc_rect_t& frame) override;
-    V2_1::Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override;
-    V2_1::Error setLayerSidebandStream(Display display, Layer layer,
-                                       buffer_handle_t stream) override;
-    V2_1::Error setLayerSourceCrop(Display display, Layer layer, const hwc_frect_t& crop) override;
-    V2_1::Error setLayerTransform(Display display, Layer layer, int32_t transform) override;
-    V2_1::Error setLayerVisibleRegion(Display display, Layer layer,
-                                      const std::vector<hwc_rect_t>& visible) override;
-    V2_1::Error setLayerZOrder(Display display, Layer layer, uint32_t z) override;
-
-    // Composer 2.2
-    V2_1::Error getPerFrameMetadataKeys(
-            Display display,
-            std::vector<V2_2::IComposerClient::PerFrameMetadataKey>* outKeys) override;
-    V2_1::Error setLayerPerFrameMetadata(
-            Display display, Layer layer,
-            const std::vector<V2_2::IComposerClient::PerFrameMetadata>& metadata) override;
-
-    V2_1::Error getReadbackBufferAttributes(
-            Display display, graphics::common::V1_1::PixelFormat* outFormat,
-            graphics::common::V1_1::Dataspace* outDataspace) override;
-    V2_1::Error setReadbackBuffer(Display display, const native_handle_t* bufferHandle,
-                                  android::base::unique_fd fenceFd) override;
-    V2_1::Error getReadbackBufferFence(Display display,
-                                       android::base::unique_fd* outFenceFd) override;
-    V2_1::Error createVirtualDisplay_2_2(uint32_t width, uint32_t height,
-                                         graphics::common::V1_1::PixelFormat* format,
-                                         Display* outDisplay) override;
-    V2_1::Error getClientTargetSupport_2_2(Display display, uint32_t width, uint32_t height,
-                                           graphics::common::V1_1::PixelFormat format,
-                                           graphics::common::V1_1::Dataspace dataspace) override;
-    V2_1::Error setPowerMode_2_2(Display display, V2_2::IComposerClient::PowerMode mode) override;
-
-    V2_1::Error setLayerFloatColor(Display display, Layer layer,
-                                   V2_2::IComposerClient::FloatColor color) override;
-
-    V2_1::Error getColorModes_2_2(Display display,
-                                  hidl_vec<graphics::common::V1_1::ColorMode>* outModes) override;
-    V2_1::Error getRenderIntents(
-            Display display, graphics::common::V1_1::ColorMode mode,
-            std::vector<graphics::common::V1_1::RenderIntent>* outIntents) override;
-    V2_1::Error setColorMode_2_2(Display display, graphics::common::V1_1::ColorMode mode,
-                                 graphics::common::V1_1::RenderIntent intent) override;
-
-    std::array<float, 16> getDataspaceSaturationMatrix(
-            graphics::common::V1_1::Dataspace dataspace) override;
-
-    // Composer 2.3
-    V2_1::Error getPerFrameMetadataKeys_2_3(
-            Display display,
-            std::vector<V2_3::IComposerClient::PerFrameMetadataKey>* outKeys) override;
-
-    V2_1::Error setColorMode_2_3(Display display, graphics::common::V1_2::ColorMode mode,
-                                 graphics::common::V1_1::RenderIntent intent) override;
-
-    V2_1::Error getRenderIntents_2_3(
-            Display display, graphics::common::V1_2::ColorMode mode,
-            std::vector<graphics::common::V1_1::RenderIntent>* outIntents) override;
-
-    V2_1::Error getColorModes_2_3(Display display,
-                                  hidl_vec<graphics::common::V1_2::ColorMode>* outModes) override;
-
-    V2_1::Error getClientTargetSupport_2_3(Display display, uint32_t width, uint32_t height,
-                                           graphics::common::V1_2::PixelFormat format,
-                                           graphics::common::V1_2::Dataspace dataspace) override;
-    V2_1::Error getReadbackBufferAttributes_2_3(
-            Display display, graphics::common::V1_2::PixelFormat* outFormat,
-            graphics::common::V1_2::Dataspace* outDataspace) override;
-    V2_1::Error getHdrCapabilities_2_3(Display display,
-                                       hidl_vec<graphics::common::V1_2::Hdr>* outTypes,
-                                       float* outMaxLuminance, float* outMaxAverageLuminance,
-                                       float* outMinLuminance) override;
-    V2_1::Error setLayerPerFrameMetadata_2_3(
-            Display display, Layer layer,
-            const std::vector<V2_3::IComposerClient::PerFrameMetadata>& metadata) override;
-    V2_1::Error getDisplayIdentificationData(Display display, uint8_t* outPort,
-                                             std::vector<uint8_t>* outData) override;
-    V2_1::Error setLayerColorTransform(Display display, Layer layer, const float* matrix) override;
-    V2_1::Error getDisplayedContentSamplingAttributes(
-            uint64_t display, graphics::common::V1_2::PixelFormat& format,
-            graphics::common::V1_2::Dataspace& dataspace,
-            hidl_bitfield<V2_3::IComposerClient::FormatColorComponent>& componentMask) override;
-    V2_1::Error setDisplayedContentSamplingEnabled(
-            uint64_t display, V2_3::IComposerClient::DisplayedContentSampling enable,
-            hidl_bitfield<V2_3::IComposerClient::FormatColorComponent> componentMask,
-            uint64_t maxFrames) override;
-    V2_1::Error getDisplayedContentSample(uint64_t display, uint64_t maxFrames, uint64_t timestamp,
-                                          uint64_t& frameCount,
-                                          hidl_vec<uint64_t>& sampleComponent0,
-                                          hidl_vec<uint64_t>& sampleComponent1,
-                                          hidl_vec<uint64_t>& sampleComponent2,
-                                          hidl_vec<uint64_t>& sampleComponent3) override;
-    V2_1::Error getDisplayCapabilities(
-            Display display,
-            std::vector<V2_3::IComposerClient::DisplayCapability>* outCapabilities) override;
-    V2_1::Error setLayerPerFrameMetadataBlobs(
-            Display display, Layer layer,
-            std::vector<V2_3::IComposerClient::PerFrameMetadataBlob>& blobs) override;
-    V2_1::Error getDisplayBrightnessSupport(Display display, bool* outSupport) override;
-    V2_1::Error setDisplayBrightness(Display display, float brightness) override;
-
-    // Composer 2.4
-    void registerEventCallback_2_4(EventCallback_2_4* callback) override;
-
-    void unregisterEventCallback_2_4() override;
-
-    V2_4::Error getDisplayCapabilities_2_4(
-            Display display,
-            std::vector<V2_4::IComposerClient::DisplayCapability>* outCapabilities) override;
-    V2_4::Error getDisplayConnectionType(
-            Display display, V2_4::IComposerClient::DisplayConnectionType* outType) override;
-    V2_4::Error getDisplayAttribute_2_4(Display display, Config config,
-                                        IComposerClient::Attribute attribute,
-                                        int32_t* outValue) override;
-    V2_4::Error getDisplayVsyncPeriod(Display display,
-                                      V2_4::VsyncPeriodNanos* outVsyncPeriod) override;
-    V2_4::Error setActiveConfigWithConstraints(
-            Display display, Config config,
-            const V2_4::IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
-            VsyncPeriodChangeTimeline* outTimeline) override;
-    V2_4::Error setAutoLowLatencyMode(Display display, bool on) override;
-    V2_4::Error getSupportedContentTypes(
-            Display display,
-            std::vector<IComposerClient::ContentType>* outSupportedContentTypes) override;
-    V2_4::Error setContentType(Display display, IComposerClient::ContentType type) override;
-    V2_4::Error validateDisplay_2_4(
-            Display display, std::vector<Layer>* outChangedLayers,
-            std::vector<IComposerClient::Composition>* outCompositionTypes,
-            uint32_t* outDisplayRequestMask, std::vector<Layer>* outRequestedLayers,
-            std::vector<uint32_t>* outRequestMasks,
-            IComposerClient::ClientTargetProperty* outClientTargetProperty) override;
-    V2_4::Error setLayerGenericMetadata(Display display, Layer layer, const std::string& key,
-                                        bool mandatory, const std::vector<uint8_t>& value) override;
-    V2_4::Error getLayerGenericMetadataKeys(
-            std::vector<IComposerClient::LayerGenericMetadataKey>* outKeys) override;
-
-    void setClient(ComposerClient* client);
-
-    void requestVSync(uint64_t vsyncTime = 0);
-    // We don't want tests hanging, so always use a timeout. Remember
-    // to always check the number of frames with test ASSERT_!
-    // Wait until next frame is rendered after requesting vsync.
-    void runVSyncAndWait(std::chrono::nanoseconds maxWait = 100ms);
-    void runVSyncAfter(std::chrono::nanoseconds wait);
-
-    int getFrameCount() const;
-    // We don't want tests hanging, so always use a timeout. Remember
-    // to always check the number of frames with test ASSERT_!
-    void waitUntilFrame(int targetFrame, std::chrono::nanoseconds maxWait = 100ms) const;
-    std::vector<RenderState> getFrameRects(int frame) const;
-    std::vector<RenderState> getLatestFrame() const;
-    void clearFrames();
-
-    void onSurfaceFlingerStart();
-    void onSurfaceFlingerStop();
-
-    int getLayerCount() const;
-    Layer getLayer(size_t index) const;
-
-    void hotplugDisplay(Display display, IComposerCallback::Connection state);
-    void refreshDisplay(Display display);
-
-private:
-    LayerImpl& getLayerImpl(Layer handle);
-
-    EventCallback* mEventCallback;
-    EventCallback_2_4* mEventCallback_2_4;
-    Config mCurrentConfig;
-    bool mVsyncEnabled;
-    std::vector<std::unique_ptr<LayerImpl>> mLayers;
-    std::vector<std::unique_ptr<Frame>> mFrames;
-    // Using a pointer to hide the implementation into the CPP file.
-    std::unique_ptr<DelayedEventGenerator> mDelayedEventGenerator;
-    android::sp<android::SurfaceComposerClient> mSurfaceComposer; // For VSync injections
-    mutable android::Mutex mStateMutex;
-    mutable android::Condition mFramesAvailable;
-
-    MockComposerHal* mMockHal = nullptr;
-};
-
-} // namespace sftest
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerService.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerService.cpp
deleted file mode 100644
index c656eed0fb..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerService.cpp
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "FakeHwcService"
-#include <log/log.h>
-
-#include "FakeComposerService.h"
-
-using namespace android::hardware;
-using namespace android::hardware::graphics::composer;
-
-namespace sftest {
-
-FakeComposerService_2_1::FakeComposerService_2_1(android::sp<ComposerClient>& client)
-      : mClient(client) {}
-
-FakeComposerService_2_1::~FakeComposerService_2_1() {
-    ALOGI("Maybe killing client %p", mClient.get());
-    // Rely on sp to kill the client.
-}
-
-Return<void> FakeComposerService_2_1::getCapabilities(getCapabilities_cb hidl_cb) {
-    ALOGI("FakeComposerService::getCapabilities");
-    hidl_cb(hidl_vec<Capability>());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_1::dumpDebugInfo(dumpDebugInfo_cb hidl_cb) {
-    ALOGI("FakeComposerService::dumpDebugInfo");
-    hidl_cb(hidl_string());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_1::createClient(createClient_cb hidl_cb) {
-    ALOGI("FakeComposerService::createClient %p", mClient.get());
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::NONE, mClient);
-    return Void();
-}
-
-FakeComposerService_2_2::FakeComposerService_2_2(android::sp<ComposerClient>& client)
-      : mClient(client) {}
-
-FakeComposerService_2_2::~FakeComposerService_2_2() {
-    ALOGI("Maybe killing client %p", mClient.get());
-    // Rely on sp to kill the client.
-}
-
-Return<void> FakeComposerService_2_2::getCapabilities(getCapabilities_cb hidl_cb) {
-    ALOGI("FakeComposerService::getCapabilities");
-    hidl_cb(hidl_vec<Capability>());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_2::dumpDebugInfo(dumpDebugInfo_cb hidl_cb) {
-    ALOGI("FakeComposerService::dumpDebugInfo");
-    hidl_cb(hidl_string());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_2::createClient(createClient_cb hidl_cb) {
-    ALOGI("FakeComposerService::createClient %p", mClient.get());
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::NONE, mClient);
-    return Void();
-}
-
-FakeComposerService_2_3::FakeComposerService_2_3(android::sp<ComposerClient>& client)
-      : mClient(client) {}
-
-FakeComposerService_2_3::~FakeComposerService_2_3() {
-    ALOGI("Maybe killing client %p", mClient.get());
-    // Rely on sp to kill the client.
-}
-
-Return<void> FakeComposerService_2_3::getCapabilities(getCapabilities_cb hidl_cb) {
-    ALOGI("FakeComposerService::getCapabilities");
-    hidl_cb(hidl_vec<Capability>());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_3::dumpDebugInfo(dumpDebugInfo_cb hidl_cb) {
-    ALOGI("FakeComposerService::dumpDebugInfo");
-    hidl_cb(hidl_string());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_3::createClient(createClient_cb hidl_cb) {
-    LOG_ALWAYS_FATAL("createClient called on FakeComposerService_2_3");
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::UNSUPPORTED, nullptr);
-    return Void();
-}
-
-Return<void> FakeComposerService_2_3::createClient_2_3(createClient_2_3_cb hidl_cb) {
-    ALOGI("FakeComposerService_2_3::createClient_2_3 %p", mClient.get());
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::NONE, mClient);
-    return Void();
-}
-
-FakeComposerService_2_4::FakeComposerService_2_4(android::sp<ComposerClient>& client)
-      : mClient(client) {}
-
-FakeComposerService_2_4::~FakeComposerService_2_4() {
-    ALOGI("Maybe killing client %p", mClient.get());
-    // Rely on sp to kill the client.
-}
-
-Return<void> FakeComposerService_2_4::getCapabilities(getCapabilities_cb hidl_cb) {
-    ALOGI("FakeComposerService::getCapabilities");
-    hidl_cb(hidl_vec<Capability>());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_4::dumpDebugInfo(dumpDebugInfo_cb hidl_cb) {
-    ALOGI("FakeComposerService::dumpDebugInfo");
-    hidl_cb(hidl_string());
-    return Void();
-}
-
-Return<void> FakeComposerService_2_4::createClient(createClient_cb hidl_cb) {
-    LOG_ALWAYS_FATAL("createClient called on FakeComposerService_2_4");
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::UNSUPPORTED, nullptr);
-    return Void();
-}
-
-Return<void> FakeComposerService_2_4::createClient_2_3(createClient_2_3_cb hidl_cb) {
-    LOG_ALWAYS_FATAL("createClient_2_3 called on FakeComposerService_2_4");
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_1::Error::UNSUPPORTED, nullptr);
-    return Void();
-}
-
-Return<void> FakeComposerService_2_4::createClient_2_4(createClient_2_4_cb hidl_cb) {
-    ALOGI("FakeComposerService_2_4::createClient_2_4 %p", mClient.get());
-    if (!mClient->init()) {
-        LOG_ALWAYS_FATAL("failed to initialize ComposerClient");
-    }
-    hidl_cb(V2_4::Error::NONE, mClient);
-    return Void();
-}
-
-} // namespace sftest
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerService.h b/services/surfaceflinger/tests/fakehwc/FakeComposerService.h
deleted file mode 100644
index 47f970f5b2..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerService.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <android/hardware/graphics/composer/2.4/IComposer.h>
-#include <composer-hal/2.1/ComposerClient.h>
-#include <composer-hal/2.2/ComposerClient.h>
-#include <composer-hal/2.3/ComposerClient.h>
-#include <composer-hal/2.4/ComposerClient.h>
-
-using android::hardware::Return;
-
-using ComposerClient = android::hardware::graphics::composer::V2_4::hal::ComposerClient;
-
-namespace sftest {
-
-using IComposer_2_1 = android::hardware::graphics::composer::V2_1::IComposer;
-
-class FakeComposerService_2_1 : public IComposer_2_1 {
-public:
-    explicit FakeComposerService_2_1(android::sp<ComposerClient>& client);
-    virtual ~FakeComposerService_2_1();
-
-    Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
-    Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
-    Return<void> createClient(createClient_cb hidl_cb) override;
-
-private:
-    android::sp<ComposerClient> mClient;
-};
-
-using IComposer_2_2 = android::hardware::graphics::composer::V2_2::IComposer;
-class FakeComposerService_2_2 : public IComposer_2_2 {
-public:
-    explicit FakeComposerService_2_2(android::sp<ComposerClient>& client);
-    virtual ~FakeComposerService_2_2();
-
-    Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
-    Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
-    Return<void> createClient(createClient_cb hidl_cb) override;
-
-private:
-    android::sp<ComposerClient> mClient;
-};
-
-using IComposer_2_3 = android::hardware::graphics::composer::V2_3::IComposer;
-class FakeComposerService_2_3 : public IComposer_2_3 {
-public:
-    explicit FakeComposerService_2_3(android::sp<ComposerClient>& client);
-    virtual ~FakeComposerService_2_3();
-
-    Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
-    Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
-    Return<void> createClient(createClient_cb hidl_cb) override;
-    Return<void> createClient_2_3(createClient_2_3_cb hidl_cb) override;
-
-private:
-    android::sp<ComposerClient> mClient;
-};
-
-using IComposer_2_4 = android::hardware::graphics::composer::V2_4::IComposer;
-
-class FakeComposerService_2_4 : public IComposer_2_4 {
-public:
-    explicit FakeComposerService_2_4(android::sp<ComposerClient>& client);
-    virtual ~FakeComposerService_2_4();
-
-    Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
-    Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
-    Return<void> createClient(createClient_cb hidl_cb) override;
-    Return<void> createClient_2_3(createClient_2_3_cb hidl_cb) override;
-    Return<void> createClient_2_4(createClient_2_4_cb hidl_cb) override;
-
-private:
-    android::sp<ComposerClient> mClient;
-};
-
-} // namespace sftest
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.cpp
deleted file mode 100644
index 1cea25a80f..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "FakeHwcUtil"
-#include <log/log.h>
-
-#include "FakeComposerUtils.h"
-#include "RenderState.h"
-
-#include "SurfaceFlinger.h" // Get the name of the service...
-
-#include <binder/IServiceManager.h>
-#include <cutils/properties.h>
-#include <hidl/ServiceManagement.h>
-
-#include <iomanip>
-#include <thread>
-
-using android::String16;
-using android::sp;
-using namespace std::chrono_literals;
-using namespace sftest;
-using std::setw;
-
-namespace sftest {
-
-// clang-format off
-inline void printSourceRectAligned(::std::ostream& os, const hwc_frect_t& sourceRect, int align) {
-    os << std::fixed << std::setprecision(1) << "("
-       << setw(align) << sourceRect.left << setw(0) << ","
-       << setw(align) << sourceRect.top << setw(0) << ","
-       << setw(align) << sourceRect.right << setw(0) << ","
-       << setw(align) << sourceRect.bottom << setw(0) << ")";
-}
-
-inline void printDisplayRectAligned(::std::ostream& os, const hwc_rect_t& displayRect, int align) {
-    os << "("
-       << setw(align) << displayRect.left << setw(0) << ","
-       << setw(align) << displayRect.top << setw(0) << ","
-       << setw(align) << displayRect.right << setw(0) << ","
-       << setw(align) << displayRect.bottom << setw(0) << ")";
-}
-// clang-format on
-
-inline ::std::ostream& operator<<(::std::ostream& os, const sftest::RenderState& state) {
-    printSourceRectAligned(os, state.mSourceCrop, 7);
-    os << "->";
-    printDisplayRectAligned(os, state.mDisplayFrame, 5);
-    return os << " Swaps:" << state.mSwapCount << " Alpha:" << std::setprecision(3)
-              << state.mPlaneAlpha << " Xform:" << state.mTransform;
-}
-
-// Helper for verifying the parts of the RenderState
-template <typename T>
-bool valuesMatch(::testing::AssertionResult& message, const T& ref, const T& val,
-                 const char* name) {
-    if (ref != val) {
-        message = message << "Expected " << name << ":" << ref << ", got:" << val << ".";
-        return false;
-    }
-    return true;
-}
-
-::testing::AssertionResult rectsAreSame(const RenderState& ref, const RenderState& val) {
-    // TODO: Message could start as success and be assigned as failure.
-    // Only problem is that utility assumes it to be failure and just adds stuff. Would
-    // need still special case the initial failure in the utility?
-    // TODO: ... or would it be possible to break this back to gtest primitives?
-    ::testing::AssertionResult message = ::testing::AssertionFailure();
-    bool passes = true;
-
-    // The work here is mostly about providing good log strings for differences
-    passes &= valuesMatch(message, ref.mDisplayFrame, val.mDisplayFrame, "display frame");
-    passes &= valuesMatch(message, ref.mPlaneAlpha, val.mPlaneAlpha, "alpha");
-    passes &= valuesMatch(message, ref.mSwapCount, val.mSwapCount, "swap count");
-    passes &= valuesMatch(message, ref.mSourceCrop, val.mSourceCrop, "source crop");
-    // ... add more
-    if (passes) {
-        return ::testing::AssertionSuccess();
-    }
-    return message;
-}
-
-::testing::AssertionResult framesAreSame(const std::vector<RenderState>& ref,
-                                         const std::vector<RenderState>& val) {
-    ::testing::AssertionResult message = ::testing::AssertionFailure();
-    bool passed = true;
-    if (ref.size() != val.size()) {
-        message << "Expected " << ref.size() << " rects, got " << val.size() << ".";
-        passed = false;
-    }
-    for (size_t rectIndex = 0; rectIndex < std::min(ref.size(), val.size()); rectIndex++) {
-        ::testing::AssertionResult rectResult = rectsAreSame(ref[rectIndex], val[rectIndex]);
-        if (rectResult == false) {
-            message << "First different rect at " << rectIndex << ": " << rectResult.message();
-            passed = false;
-            break;
-        }
-    }
-
-    if (passed) {
-        return ::testing::AssertionSuccess();
-    } else {
-        message << "\nReference:";
-        for (auto state = ref.begin(); state != ref.end(); ++state) {
-            message << "\n" << *state;
-        }
-        message << "\nActual:";
-        for (auto state = val.begin(); state != val.end(); ++state) {
-            message << "\n" << *state;
-        }
-    }
-    return message;
-}
-
-void startSurfaceFlinger() {
-    ALOGI("Start SurfaceFlinger");
-    system("start surfaceflinger");
-
-    sp<android::IServiceManager> sm(android::defaultServiceManager());
-    sp<android::IBinder> sf;
-    while (sf == nullptr) {
-        std::this_thread::sleep_for(10ms);
-        sf = sm->checkService(String16(android::SurfaceFlinger::getServiceName()));
-    }
-    ALOGV("SurfaceFlinger running");
-}
-
-void stopSurfaceFlinger() {
-    ALOGI("Stop SurfaceFlinger");
-    system("stop surfaceflinger");
-    sp<android::IServiceManager> sm(android::defaultServiceManager());
-    sp<android::IBinder> sf;
-    while (sf != nullptr) {
-        std::this_thread::sleep_for(10ms);
-        sf = sm->checkService(String16(android::SurfaceFlinger::getServiceName()));
-    }
-    ALOGV("SurfaceFlinger stopped");
-}
-
-////////////////////////////////////////////////
-
-void FakeHwcEnvironment::SetUp() {
-    ALOGI("Test env setup");
-    system("setenforce 0");
-    system("stop");
-    property_set("debug.sf.nobootanimation", "1");
-    {
-        char value[PROPERTY_VALUE_MAX];
-        property_get("debug.sf.nobootanimation", value, "0");
-        LOG_FATAL_IF(atoi(value) != 1, "boot skip not set");
-    }
-    // TODO: Try registering the mock as the default service instead.
-    property_set("debug.sf.hwc_service_name", "mock");
-
-    // This allows tests/SF to register/load a HIDL service not listed in manifest files.
-    android::hardware::details::setTrebleTestingOverride(true);
-    property_set("debug.sf.treble_testing_override", "true");
-}
-
-void FakeHwcEnvironment::TearDown() {
-    ALOGI("Test env tear down");
-    system("stop");
-    // Wait for mock call signaling teardown?
-    property_set("debug.sf.nobootanimation", "0");
-    property_set("debug.sf.hwc_service_name", "default");
-    system("setenforce 1");
-    ALOGI("Test env tear down - done");
-}
-
-} // namespace sftest
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.h b/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.h
deleted file mode 100644
index 383a111859..0000000000
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerUtils.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "FakeComposerClient.h"
-
-#include <gui/SurfaceComposerClient.h>
-#include <log/log.h>
-#include <gtest/gtest.h>
-
-// clang-format off
-// Note: This needs to reside in the global namespace for the GTest to use it
-inline ::std::ostream& operator<<(::std::ostream& os, const hwc_rect_t& rect) {
-    return os << "(" << rect.left << ","
-              << rect.top << ","
-              << rect.right << ","
-              << rect.bottom << ")";
-}
-
-inline ::std::ostream& operator<<(::std::ostream& os, const hwc_frect_t& rect) {
-    return os << "(" << rect.left << ","
-              << rect.top << ","
-              << rect.right << ","
-              << rect.bottom << ")";
-}
-// clang-format on
-
-namespace sftest {
-
-class RenderState;
-
-// clang-format off
-inline bool operator==(const hwc_rect_t& a, const hwc_rect_t& b) {
-    return a.top == b.top &&
-            a.left == b.left &&
-            a.bottom == b.bottom &&
-            a.right == b.right;
-}
-
-inline bool operator==(const hwc_frect_t& a, const hwc_frect_t& b) {
-    return a.top == b.top &&
-            a.left == b.left &&
-            a.bottom == b.bottom &&
-            a.right == b.right;
-}
-// clang-format on
-
-inline bool operator!=(const hwc_rect_t& a, const hwc_rect_t& b) {
-    return !(a == b);
-}
-
-inline bool operator!=(const hwc_frect_t& a, const hwc_frect_t& b) {
-    return !(a == b);
-}
-
-::testing::AssertionResult rectsAreSame(const RenderState& ref, const RenderState& val);
-::testing::AssertionResult framesAreSame(const std::vector<RenderState>& ref,
-                                         const std::vector<RenderState>& val);
-
-void startSurfaceFlinger();
-void stopSurfaceFlinger();
-
-class FakeHwcEnvironment : public ::testing::Environment {
-public:
-    virtual ~FakeHwcEnvironment() {}
-    void SetUp() override;
-    void TearDown() override;
-};
-
-/*
- * All surface state changes are supposed to happen inside a global
- * transaction. TransactionScope object at the beginning of
- * scope automates the process. The resulting scope gives a visual cue
- * on the span of the transaction as well.
- *
- * Closing the transaction is synchronous, i.e., it waits for
- * SurfaceFlinger to composite one frame. Now, the FakeComposerClient
- * is built to explicitly request vsyncs one at the time. A delayed
- * request must be made before closing the transaction or the test
- * thread stalls until SurfaceFlinger does an emergency vsync by
- * itself. TransactionScope encapsulates this vsync magic.
- */
-class TransactionScope : public android::SurfaceComposerClient::Transaction {
-public:
-    explicit TransactionScope(FakeComposerClient& composer) : Transaction(), mComposer(composer) {}
-
-    ~TransactionScope() {
-        int frameCount = mComposer.getFrameCount();
-        mComposer.runVSyncAfter(1ms);
-        LOG_ALWAYS_FATAL_IF(android::NO_ERROR != apply());
-        // Make sure that exactly one frame has been rendered.
-        mComposer.waitUntilFrame(frameCount + 1);
-        //        LOG_ALWAYS_FATAL_IF(frameCount + 1 != mComposer.getFrameCount(),
-        //                            "Unexpected frame advance. Delta: %d",
-        //                            mComposer.getFrameCount() - frameCount);
-    }
-
-    FakeComposerClient& mComposer;
-};
-
-} // namespace sftest
diff --git a/services/surfaceflinger/tests/fakehwc/MockComposerHal.h b/services/surfaceflinger/tests/fakehwc/MockComposerHal.h
deleted file mode 100644
index 5dc3778153..0000000000
--- a/services/surfaceflinger/tests/fakehwc/MockComposerHal.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <composer-hal/2.4/ComposerClient.h>
-
-#include <gmock/gmock.h>
-
-using namespace android::hardware::graphics::common;
-using namespace android::hardware::graphics::composer;
-using namespace android::hardware::graphics::composer::V2_4;
-using namespace android::hardware::graphics::composer::V2_4::hal;
-using namespace android::hardware;
-using namespace std::chrono_literals;
-
-namespace sftest {
-
-// Mock class for ComposerHal. Implements only the functions used in the test.
-class MockComposerHal {
-public:
-    MOCK_METHOD2(getActiveConfig, V2_1::Error(Display, Config*));
-    MOCK_METHOD4(getDisplayAttribute_2_4,
-                 V2_4::Error(Display, Config, V2_4::IComposerClient::Attribute, int32_t*));
-    MOCK_METHOD2(getDisplayConfigs, V2_1::Error(Display, hidl_vec<Config>*));
-    MOCK_METHOD2(setActiveConfig, V2_1::Error(Display, Config));
-    MOCK_METHOD2(getDisplayVsyncPeriod, V2_4::Error(Display, V2_4::VsyncPeriodNanos*));
-    MOCK_METHOD4(setActiveConfigWithConstraints,
-                 V2_4::Error(Display, Config,
-                             const V2_4::IComposerClient::VsyncPeriodChangeConstraints&,
-                             VsyncPeriodChangeTimeline*));
-};
-
-} // namespace sftest
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/fakehwc/RenderState.h b/services/surfaceflinger/tests/fakehwc/RenderState.h
deleted file mode 100644
index 40193f237e..0000000000
--- a/services/surfaceflinger/tests/fakehwc/RenderState.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <vector>
-
-namespace sftest {
-// Description of a rendered rectangle.  Should only contain
-// instructions necessary to rasterize the rectangle. The full scene
-// is given as a sorted list of rectangles, bottom layer at index 0.
-class RenderState {
-public:
-    RenderState() = default;
-    // Default copy-ctor
-
-    hwc_rect_t mDisplayFrame = {0, 0, 0, 0};
-    hwc_frect_t mSourceCrop = {0.f, 0.f, 0.f, 0.f};
-    std::vector<hwc_rect_t> mVisibleRegion;
-    hwc2_blend_mode_t mBlendMode = HWC2_BLEND_MODE_NONE;
-    buffer_handle_t mBuffer = 0;
-    uint32_t mSwapCount = 0;   // How many set buffer calls to the layer.
-    int32_t mAcquireFence = 0; // Probably should not be here.
-    float mPlaneAlpha = 0.f;
-    hwc_color_t mLayerColor = {0, 0, 0, 0};
-    hwc_transform_t mTransform = static_cast<hwc_transform_t>(0);
-};
-
-} // namespace sftest
diff --git a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
deleted file mode 100644
index b3b4ec15cd..0000000000
--- a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
+++ /dev/null
@@ -1,1790 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-#pragma clang diagnostic ignored "-Wextra"
-
-// #define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "FakeHwcTest"
-
-#include "FakeComposerClient.h"
-#include "FakeComposerService.h"
-#include "FakeComposerUtils.h"
-#include "MockComposerHal.h"
-
-#include <binder/Parcel.h>
-#include <gui/DisplayEventReceiver.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/LayerDebugInfo.h>
-#include <gui/LayerState.h>
-#include <gui/Surface.h>
-#include <gui/SurfaceComposerClient.h>
-
-#include <android/hidl/manager/1.0/IServiceManager.h>
-#include <android/looper.h>
-#include <android/native_window.h>
-#include <binder/ProcessState.h>
-#include <hwbinder/ProcessState.h>
-#include <log/log.h>
-#include <private/gui/ComposerService.h>
-#include <ui/DisplayMode.h>
-#include <ui/DynamicDisplayInfo.h>
-#include <utils/Looper.h>
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-#include <limits>
-#include <thread>
-
-using namespace std::chrono_literals;
-
-using namespace android;
-using namespace android::hardware;
-
-using namespace sftest;
-
-namespace {
-
-// Mock test helpers
-using ::testing::_;
-using ::testing::DoAll;
-using ::testing::Return;
-using ::testing::SetArgPointee;
-
-using Transaction = SurfaceComposerClient::Transaction;
-using Attribute = V2_4::IComposerClient::Attribute;
-using Display = V2_1::Display;
-
-///////////////////////////////////////////////
-constexpr PhysicalDisplayId physicalIdFromHwcDisplayId(Display hwcId) {
-    return PhysicalDisplayId::fromPort(hwcId);
-}
-constexpr PhysicalDisplayId kPrimaryDisplayId = physicalIdFromHwcDisplayId(PRIMARY_DISPLAY);
-constexpr PhysicalDisplayId kExternalDisplayId = physicalIdFromHwcDisplayId(EXTERNAL_DISPLAY);
-
-struct TestColor {
-public:
-    uint8_t r;
-    uint8_t g;
-    uint8_t b;
-    uint8_t a;
-};
-
-constexpr static TestColor RED = {195, 63, 63, 255};
-constexpr static TestColor LIGHT_RED = {255, 177, 177, 255};
-constexpr static TestColor GREEN = {63, 195, 63, 255};
-constexpr static TestColor BLUE = {63, 63, 195, 255};
-constexpr static TestColor LIGHT_GRAY = {200, 200, 200, 255};
-
-// Fill an RGBA_8888 formatted surface with a single color.
-static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, const TestColor& color,
-                             bool unlock = true) {
-    ANativeWindow_Buffer outBuffer;
-    sp<Surface> s = sc->getSurface();
-    ASSERT_TRUE(s != nullptr);
-    ASSERT_EQ(NO_ERROR, s->lock(&outBuffer, nullptr));
-    uint8_t* img = reinterpret_cast<uint8_t*>(outBuffer.bits);
-    for (int y = 0; y < outBuffer.height; y++) {
-        for (int x = 0; x < outBuffer.width; x++) {
-            uint8_t* pixel = img + (4 * (y * outBuffer.stride + x));
-            pixel[0] = color.r;
-            pixel[1] = color.g;
-            pixel[2] = color.b;
-            pixel[3] = color.a;
-        }
-    }
-    if (unlock) {
-        ASSERT_EQ(NO_ERROR, s->unlockAndPost());
-    }
-}
-
-inline RenderState makeSimpleRect(int left, int top, int right, int bottom) {
-    RenderState res;
-    res.mDisplayFrame = hwc_rect_t{left, top, right, bottom};
-    res.mPlaneAlpha = 1.0f;
-    res.mSwapCount = 0;
-    res.mSourceCrop = hwc_frect_t{0.f, 0.f, static_cast<float>(right - left),
-                                  static_cast<float>(bottom - top)};
-    return res;
-}
-
-inline RenderState makeSimpleRect(unsigned int left, unsigned int top, unsigned int right,
-                                  unsigned int bottom) {
-    EXPECT_LE(left, static_cast<unsigned int>(INT_MAX));
-    EXPECT_LE(top, static_cast<unsigned int>(INT_MAX));
-    EXPECT_LE(right, static_cast<unsigned int>(INT_MAX));
-    EXPECT_LE(bottom, static_cast<unsigned int>(INT_MAX));
-    return makeSimpleRect(static_cast<int>(left), static_cast<int>(top), static_cast<int>(right),
-                          static_cast<int>(bottom));
-}
-
-///////////////////////////////////////////////
-template <typename FakeComposerService>
-class DisplayTest : public ::testing::Test {
-protected:
-    struct TestConfig {
-        int32_t id;
-        int32_t w;
-        int32_t h;
-        int32_t vsyncPeriod;
-        int32_t group;
-    };
-
-    static int processDisplayEvents(int /*fd*/, int /*events*/, void* data) {
-        auto self = static_cast<DisplayTest*>(data);
-
-        ssize_t n;
-        DisplayEventReceiver::Event buffer[1];
-
-        while ((n = self->mReceiver->getEvents(buffer, 1)) > 0) {
-            for (int i = 0; i < n; i++) {
-                self->mReceivedDisplayEvents.push_back(buffer[i]);
-            }
-        }
-        ALOGD_IF(n < 0, "Error reading events (%s)", strerror(-n));
-        return 1;
-    }
-
-    Error getDisplayAttributeNoMock(Display display, Config config,
-                                    V2_4::IComposerClient::Attribute attribute, int32_t* outValue) {
-        mFakeComposerClient->setMockHal(nullptr);
-        auto ret =
-                mFakeComposerClient->getDisplayAttribute_2_4(display, config, attribute, outValue);
-        mFakeComposerClient->setMockHal(mMockComposer.get());
-        return ret;
-    }
-
-    void setExpectationsForConfigs(Display display, std::vector<TestConfig> testConfigs,
-                                   Config activeConfig, V2_4::VsyncPeriodNanos defaultVsyncPeriod) {
-        std::vector<Config> configIds;
-        for (size_t i = 0; i < testConfigs.size(); i++) {
-            configIds.push_back(testConfigs[i].id);
-
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::WIDTH, _))
-                    .WillRepeatedly(DoAll(SetArgPointee<3>(testConfigs[i].w), Return(Error::NONE)));
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::HEIGHT, _))
-                    .WillRepeatedly(DoAll(SetArgPointee<3>(testConfigs[i].h), Return(Error::NONE)));
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::VSYNC_PERIOD,
-                                                _))
-                    .WillRepeatedly(DoAll(SetArgPointee<3>(testConfigs[i].vsyncPeriod),
-                                          Return(Error::NONE)));
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::CONFIG_GROUP,
-                                                _))
-                    .WillRepeatedly(
-                            DoAll(SetArgPointee<3>(testConfigs[i].group), Return(Error::NONE)));
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::DPI_X, _))
-                    .WillRepeatedly(Return(Error::UNSUPPORTED));
-            EXPECT_CALL(*mMockComposer,
-                        getDisplayAttribute_2_4(display, testConfigs[i].id, Attribute::DPI_Y, _))
-                    .WillRepeatedly(Return(Error::UNSUPPORTED));
-        }
-
-        EXPECT_CALL(*mMockComposer, getDisplayConfigs(display, _))
-                .WillRepeatedly(DoAll(SetArgPointee<1>(hidl_vec<Config>(configIds)),
-                                      Return(V2_1::Error::NONE)));
-
-        EXPECT_CALL(*mMockComposer, getActiveConfig(display, _))
-                .WillRepeatedly(DoAll(SetArgPointee<1>(activeConfig), Return(V2_1::Error::NONE)));
-
-        EXPECT_CALL(*mMockComposer, getDisplayVsyncPeriod(display, _))
-                .WillRepeatedly(
-                        DoAll(SetArgPointee<1>(defaultVsyncPeriod), Return(V2_4::Error::NONE)));
-    }
-
-    void SetUp() override {
-        mMockComposer = std::make_unique<MockComposerHal>();
-        mFakeComposerClient = new FakeComposerClient();
-        mFakeComposerClient->setMockHal(mMockComposer.get());
-
-        sp<V2_4::hal::ComposerClient> client = new V2_4::hal::ComposerClient(mFakeComposerClient);
-        mFakeService = new FakeComposerService(client);
-        ASSERT_EQ(android::OK, mFakeService->registerAsService("mock"));
-
-        android::hardware::ProcessState::self()->startThreadPool();
-        android::ProcessState::self()->startThreadPool();
-
-        setExpectationsForConfigs(PRIMARY_DISPLAY,
-                                  {{
-                                          .id = 1,
-                                          .w = 1920,
-                                          .h = 1024,
-                                          .vsyncPeriod = 16'666'666,
-                                          .group = 0,
-                                  }},
-                                  1, 16'666'666);
-
-        startSurfaceFlinger();
-
-        // Fake composer wants to enable VSync injection
-        mFakeComposerClient->onSurfaceFlingerStart();
-
-        mComposerClient = new SurfaceComposerClient;
-        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-
-        mReceiver.reset(new DisplayEventReceiver(ISurfaceComposer::eVsyncSourceApp,
-                                                 ISurfaceComposer::EventRegistration::modeChanged));
-        mLooper = new Looper(false);
-        mLooper->addFd(mReceiver->getFd(), 0, ALOOPER_EVENT_INPUT, processDisplayEvents, this);
-    }
-
-    void TearDown() override {
-        mLooper = nullptr;
-        mReceiver = nullptr;
-
-        mComposerClient->dispose();
-        mComposerClient = nullptr;
-
-        // Fake composer needs to release SurfaceComposerClient before the stop.
-        mFakeComposerClient->onSurfaceFlingerStop();
-        stopSurfaceFlinger();
-
-        mFakeComposerClient->setMockHal(nullptr);
-
-        mFakeService = nullptr;
-        // TODO: Currently deleted in FakeComposerClient::removeClient(). Devise better lifetime
-        // management.
-        mMockComposer = nullptr;
-    }
-
-    void waitForDisplayTransaction(Display display) {
-        // Both a refresh and a vsync event are needed to apply pending display
-        // transactions.
-        mFakeComposerClient->refreshDisplay(display);
-        mFakeComposerClient->runVSyncAndWait();
-
-        // Extra vsync and wait to avoid a 10% flake due to a race.
-        mFakeComposerClient->runVSyncAndWait();
-    }
-
-    bool waitForHotplugEvent(Display displayId, bool connected) {
-        return waitForHotplugEvent(physicalIdFromHwcDisplayId(displayId), connected);
-    }
-
-    bool waitForHotplugEvent(PhysicalDisplayId displayId, bool connected) {
-        int waitCount = 20;
-        while (waitCount--) {
-            while (!mReceivedDisplayEvents.empty()) {
-                auto event = mReceivedDisplayEvents.front();
-                mReceivedDisplayEvents.pop_front();
-
-                ALOGV_IF(event.header.type == DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG,
-                         "event hotplug: displayId %s, connected %d",
-                         to_string(event.header.displayId).c_str(), event.hotplug.connected);
-
-                if (event.header.type == DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG &&
-                    event.header.displayId == displayId && event.hotplug.connected == connected) {
-                    return true;
-                }
-            }
-
-            mLooper->pollOnce(1);
-        }
-        return false;
-    }
-
-    bool waitForModeChangedEvent(Display display, int32_t modeId) {
-        PhysicalDisplayId displayId = physicalIdFromHwcDisplayId(display);
-        int waitCount = 20;
-        while (waitCount--) {
-            while (!mReceivedDisplayEvents.empty()) {
-                auto event = mReceivedDisplayEvents.front();
-                mReceivedDisplayEvents.pop_front();
-
-                ALOGV_IF(event.header.type == DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE,
-                         "event mode: displayId %s, modeId %d",
-                         to_string(event.header.displayId).c_str(), event.modeChange.modeId);
-
-                if (event.header.type == DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE &&
-                    event.header.displayId == displayId && event.modeChange.modeId == modeId) {
-                    return true;
-                }
-            }
-
-            mLooper->pollOnce(1);
-        }
-        return false;
-    }
-
-    void Test_HotplugOneConfig() {
-        ALOGD("DisplayTest::Test_Hotplug_oneConfig");
-
-        setExpectationsForConfigs(EXTERNAL_DISPLAY,
-                                  {{.id = 1,
-                                    .w = 200,
-                                    .h = 400,
-                                    .vsyncPeriod = 16'666'666,
-                                    .group = 0}},
-                                  1, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, true));
-
-        {
-            const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kExternalDisplayId);
-            EXPECT_FALSE(display == nullptr);
-
-            ui::DisplayMode mode;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-            const ui::Size& resolution = mode.resolution;
-            EXPECT_EQ(ui::Size(200, 400), resolution);
-            EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::DISCONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        mFakeComposerClient->clearFrames();
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, false));
-
-        {
-            const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kExternalDisplayId);
-            EXPECT_TRUE(display == nullptr);
-
-            ui::DisplayMode mode;
-            EXPECT_NE(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        }
-    }
-
-    void Test_HotplugTwoSeparateConfigs() {
-        ALOGD("DisplayTest::Test_HotplugTwoSeparateConfigs");
-
-        setExpectationsForConfigs(EXTERNAL_DISPLAY,
-                                  {{.id = 1,
-                                    .w = 200,
-                                    .h = 400,
-                                    .vsyncPeriod = 16'666'666,
-                                    .group = 0},
-                                   {.id = 2,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 11'111'111,
-                                    .group = 1}},
-                                  1, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, true));
-
-        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kExternalDisplayId);
-        EXPECT_FALSE(display == nullptr);
-
-        ui::DisplayMode mode;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(200, 400), mode.resolution);
-        EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        ui::DynamicDisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
-        const auto& modes = info.supportedDisplayModes;
-        EXPECT_EQ(modes.size(), 2);
-
-        // change active mode
-
-        if (mIs2_4Client) {
-            EXPECT_CALL(*mMockComposer, setActiveConfigWithConstraints(EXTERNAL_DISPLAY, 2, _, _))
-                    .WillOnce(Return(V2_4::Error::NONE));
-        } else {
-            EXPECT_CALL(*mMockComposer, setActiveConfig(EXTERNAL_DISPLAY, 2))
-                    .WillOnce(Return(V2_1::Error::NONE));
-        }
-
-        for (int i = 0; i < modes.size(); i++) {
-            const auto& mode = modes[i];
-            if (mode.resolution.getWidth() == 800) {
-                EXPECT_EQ(NO_ERROR,
-                          SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate));
-                waitForDisplayTransaction(EXTERNAL_DISPLAY);
-                EXPECT_TRUE(waitForModeChangedEvent(EXTERNAL_DISPLAY, i));
-                break;
-            }
-        }
-
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-        EXPECT_EQ(1e9f / 11'111'111, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::DISCONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        mFakeComposerClient->clearFrames();
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, false));
-    }
-
-    void Test_HotplugTwoConfigsSameGroup() {
-        ALOGD("DisplayTest::Test_HotplugTwoConfigsSameGroup");
-
-        setExpectationsForConfigs(EXTERNAL_DISPLAY,
-                                  {{.id = 2,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 16'666'666,
-                                    .group = 31},
-                                   {.id = 3,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 11'111'111,
-                                    .group = 31}},
-                                  2, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, true));
-
-        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kExternalDisplayId);
-        EXPECT_FALSE(display == nullptr);
-
-        ui::DisplayMode mode;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-        EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        ui::DynamicDisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
-        const auto& modes = info.supportedDisplayModes;
-        EXPECT_EQ(modes.size(), 2);
-
-        // change active mode
-        if (mIs2_4Client) {
-            EXPECT_CALL(*mMockComposer, setActiveConfigWithConstraints(EXTERNAL_DISPLAY, 3, _, _))
-                    .WillOnce(Return(V2_4::Error::NONE));
-        } else {
-            EXPECT_CALL(*mMockComposer, setActiveConfig(EXTERNAL_DISPLAY, 3))
-                    .WillOnce(Return(V2_1::Error::NONE));
-        }
-
-        for (int i = 0; i < modes.size(); i++) {
-            const auto& mode = modes[i];
-            if (mode.refreshRate == 1e9f / 11'111'111) {
-                EXPECT_EQ(NO_ERROR,
-                          SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate));
-                waitForDisplayTransaction(EXTERNAL_DISPLAY);
-                EXPECT_TRUE(waitForModeChangedEvent(EXTERNAL_DISPLAY, i));
-                break;
-            }
-        }
-
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-        EXPECT_EQ(1e9f / 11'111'111, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::DISCONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        mFakeComposerClient->clearFrames();
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, false));
-    }
-
-    void Test_HotplugThreeConfigsMixedGroups() {
-        ALOGD("DisplayTest::Test_HotplugThreeConfigsMixedGroups");
-
-        setExpectationsForConfigs(EXTERNAL_DISPLAY,
-                                  {{.id = 2,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 16'666'666,
-                                    .group = 0},
-                                   {.id = 3,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 11'111'111,
-                                    .group = 0},
-                                   {.id = 4,
-                                    .w = 1600,
-                                    .h = 3200,
-                                    .vsyncPeriod = 8'333'333,
-                                    .group = 1},
-                                   {.id = 5,
-                                    .w = 1600,
-                                    .h = 3200,
-                                    .vsyncPeriod = 11'111'111,
-                                    .group = 1}},
-                                  2, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, true));
-
-        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kExternalDisplayId);
-        EXPECT_FALSE(display == nullptr);
-
-        ui::DisplayMode mode;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-        EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        ui::DynamicDisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
-        const auto& modes = info.supportedDisplayModes;
-        EXPECT_EQ(modes.size(), 4);
-
-        // change active mode to 800x1600@90Hz
-        if (mIs2_4Client) {
-            EXPECT_CALL(*mMockComposer, setActiveConfigWithConstraints(EXTERNAL_DISPLAY, 3, _, _))
-                    .WillOnce(Return(V2_4::Error::NONE));
-        } else {
-            EXPECT_CALL(*mMockComposer, setActiveConfig(EXTERNAL_DISPLAY, 3))
-                    .WillOnce(Return(V2_1::Error::NONE));
-        }
-
-        for (size_t i = 0; i < modes.size(); i++) {
-            const auto& mode = modes[i];
-            if (mode.resolution.getWidth() == 800 && mode.refreshRate == 1e9f / 11'111'111) {
-                EXPECT_EQ(NO_ERROR,
-                          SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                            modes[i].refreshRate,
-                                                                            modes[i].refreshRate,
-                                                                            modes[i].refreshRate,
-                                                                            modes[i].refreshRate));
-                waitForDisplayTransaction(EXTERNAL_DISPLAY);
-                EXPECT_TRUE(waitForModeChangedEvent(EXTERNAL_DISPLAY, i));
-                break;
-            }
-        }
-
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-        EXPECT_EQ(1e9f / 11'111'111, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        // change active mode to 1600x3200@120Hz
-        if (mIs2_4Client) {
-            EXPECT_CALL(*mMockComposer, setActiveConfigWithConstraints(EXTERNAL_DISPLAY, 4, _, _))
-                    .WillOnce(Return(V2_4::Error::NONE));
-        } else {
-            EXPECT_CALL(*mMockComposer, setActiveConfig(EXTERNAL_DISPLAY, 4))
-                    .WillOnce(Return(V2_1::Error::NONE));
-        }
-
-        for (int i = 0; i < modes.size(); i++) {
-            const auto& mode = modes[i];
-            if (mode.refreshRate == 1e9f / 8'333'333) {
-                EXPECT_EQ(NO_ERROR,
-                          SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate));
-                waitForDisplayTransaction(EXTERNAL_DISPLAY);
-                EXPECT_TRUE(waitForModeChangedEvent(EXTERNAL_DISPLAY, i));
-                break;
-            }
-        }
-
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(1600, 3200), mode.resolution);
-        EXPECT_EQ(1e9f / 8'333'333, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        // change active mode to 1600x3200@90Hz
-        if (mIs2_4Client) {
-            EXPECT_CALL(*mMockComposer, setActiveConfigWithConstraints(EXTERNAL_DISPLAY, 5, _, _))
-                    .WillOnce(Return(V2_4::Error::NONE));
-        } else {
-            EXPECT_CALL(*mMockComposer, setActiveConfig(EXTERNAL_DISPLAY, 5))
-                    .WillOnce(Return(V2_1::Error::NONE));
-        }
-
-        for (int i = 0; i < modes.size(); i++) {
-            const auto& mode = modes[i];
-            if (mode.resolution.getWidth() == 1600 && mode.refreshRate == 1e9f / 11'111'111) {
-                EXPECT_EQ(NO_ERROR,
-                          SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate,
-                                                                            mode.refreshRate));
-                waitForDisplayTransaction(EXTERNAL_DISPLAY);
-                EXPECT_TRUE(waitForModeChangedEvent(EXTERNAL_DISPLAY, i));
-                break;
-            }
-        }
-
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-        EXPECT_EQ(ui::Size(1600, 3200), mode.resolution);
-        EXPECT_EQ(1e9f / 11'111'111, mode.refreshRate);
-
-        mFakeComposerClient->clearFrames();
-        {
-            const ui::Size& resolution = mode.resolution;
-            auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
-                                                   resolution.getWidth(), resolution.getHeight(),
-                                                   PIXEL_FORMAT_RGBA_8888, 0);
-            EXPECT_TRUE(surfaceControl != nullptr);
-            EXPECT_TRUE(surfaceControl->isValid());
-            fillSurfaceRGBA8(surfaceControl, BLUE);
-
-            {
-                TransactionScope ts(*mFakeComposerClient);
-                ts.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-                ts.setLayer(surfaceControl, INT32_MAX - 2).show(surfaceControl);
-            }
-        }
-
-        mFakeComposerClient->hotplugDisplay(EXTERNAL_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::DISCONNECTED);
-        waitForDisplayTransaction(EXTERNAL_DISPLAY);
-        mFakeComposerClient->clearFrames();
-        EXPECT_TRUE(waitForHotplugEvent(EXTERNAL_DISPLAY, false));
-    }
-
-    void Test_HotplugPrimaryDisplay() {
-        ALOGD("DisplayTest::HotplugPrimaryDisplay");
-
-        mFakeComposerClient->hotplugDisplay(PRIMARY_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::DISCONNECTED);
-
-        waitForDisplayTransaction(PRIMARY_DISPLAY);
-
-        EXPECT_TRUE(waitForHotplugEvent(PRIMARY_DISPLAY, false));
-        {
-            const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kPrimaryDisplayId);
-            EXPECT_TRUE(display == nullptr);
-
-            ui::DisplayMode mode;
-            auto result = SurfaceComposerClient::getActiveDisplayMode(display, &mode);
-            EXPECT_NE(NO_ERROR, result);
-        }
-
-        mFakeComposerClient->clearFrames();
-
-        setExpectationsForConfigs(PRIMARY_DISPLAY,
-                                  {{.id = 1,
-                                    .w = 400,
-                                    .h = 200,
-                                    .vsyncPeriod = 16'666'666,
-                                    .group = 0}},
-                                  1, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(PRIMARY_DISPLAY,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-
-        waitForDisplayTransaction(PRIMARY_DISPLAY);
-
-        EXPECT_TRUE(waitForHotplugEvent(PRIMARY_DISPLAY, true));
-
-        {
-            const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kPrimaryDisplayId);
-            EXPECT_FALSE(display == nullptr);
-
-            ui::DisplayMode mode;
-            auto result = SurfaceComposerClient::getActiveDisplayMode(display, &mode);
-            EXPECT_EQ(NO_ERROR, result);
-            ASSERT_EQ(ui::Size(400, 200), mode.resolution);
-            EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-        }
-    }
-
-    void Test_SubsequentHotplugConnectUpdatesDisplay(Display hwcDisplayId) {
-        ALOGD("DisplayTest::Test_SubsequentHotplugConnectUpdatesDisplay");
-
-        // Send a hotplug connected event to set up the initial display modes.
-        // The primary display is already connected so this will update it.
-        // If we're running the test of an external display this will create it.
-        setExpectationsForConfigs(hwcDisplayId,
-                                  {{.id = 1,
-                                    .w = 800,
-                                    .h = 1600,
-                                    .vsyncPeriod = 11'111'111,
-                                    .group = 1}},
-                                  /* activeConfig */ 1, 11'111'111);
-
-        mFakeComposerClient->hotplugDisplay(hwcDisplayId,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(hwcDisplayId);
-        EXPECT_TRUE(waitForHotplugEvent(hwcDisplayId, true));
-
-        const auto displayId = physicalIdFromHwcDisplayId(hwcDisplayId);
-        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(displayId);
-        EXPECT_FALSE(display == nullptr);
-
-        // Verify that the active mode and the supported moded are updated
-        {
-            ui::DisplayMode mode;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-            EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-            EXPECT_EQ(1e9f / 11'111'111, mode.refreshRate);
-
-            ui::DynamicDisplayInfo info;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
-            const auto& modes = info.supportedDisplayModes;
-            EXPECT_EQ(modes.size(), 1);
-        }
-
-        // Send another hotplug connected event
-        setExpectationsForConfigs(hwcDisplayId,
-                                  {
-                                          {.id = 1,
-                                           .w = 800,
-                                           .h = 1600,
-                                           .vsyncPeriod = 16'666'666,
-                                           .group = 1},
-                                          {.id = 2,
-                                           .w = 800,
-                                           .h = 1600,
-                                           .vsyncPeriod = 11'111'111,
-                                           .group = 1},
-                                          {.id = 3,
-                                           .w = 800,
-                                           .h = 1600,
-                                           .vsyncPeriod = 8'333'333,
-                                           .group = 1},
-                                  },
-                                  /* activeConfig */ 1, 16'666'666);
-
-        mFakeComposerClient->hotplugDisplay(hwcDisplayId,
-                                            V2_1::IComposerCallback::Connection::CONNECTED);
-        waitForDisplayTransaction(hwcDisplayId);
-        EXPECT_TRUE(waitForHotplugEvent(hwcDisplayId, true));
-
-        // Verify that the active mode and the supported moded are updated
-        {
-            ui::DisplayMode mode;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-            EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-            EXPECT_EQ(1e9f / 16'666'666, mode.refreshRate);
-        }
-
-        ui::DynamicDisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDynamicDisplayInfo(display, &info));
-        const auto& modes = info.supportedDisplayModes;
-        EXPECT_EQ(modes.size(), 3);
-
-        EXPECT_EQ(ui::Size(800, 1600), modes[0].resolution);
-        EXPECT_EQ(1e9f / 16'666'666, modes[0].refreshRate);
-
-        EXPECT_EQ(ui::Size(800, 1600), modes[1].resolution);
-        EXPECT_EQ(1e9f / 11'111'111, modes[1].refreshRate);
-
-        EXPECT_EQ(ui::Size(800, 1600), modes[2].resolution);
-        EXPECT_EQ(1e9f / 8'333'333, modes[2].refreshRate);
-
-        // Verify that we are able to switch to any of the modes
-        for (int i = modes.size() - 1; i >= 0; i--) {
-            const auto hwcId = i + 1;
-            // Set up HWC expectations for the mode change
-            if (mIs2_4Client) {
-                EXPECT_CALL(*mMockComposer,
-                            setActiveConfigWithConstraints(hwcDisplayId, hwcId, _, _))
-                        .WillOnce(Return(V2_4::Error::NONE));
-            } else {
-                EXPECT_CALL(*mMockComposer, setActiveConfig(hwcDisplayId, hwcId))
-                        .WillOnce(Return(V2_1::Error::NONE));
-            }
-
-            EXPECT_EQ(NO_ERROR,
-                      SurfaceComposerClient::setDesiredDisplayModeSpecs(display, i, false,
-                                                                        modes[i].refreshRate,
-                                                                        modes[i].refreshRate,
-                                                                        modes[i].refreshRate,
-                                                                        modes[i].refreshRate));
-            // We need to refresh twice - once to apply the pending mode change request,
-            // and once to process the change.
-            waitForDisplayTransaction(hwcDisplayId);
-            waitForDisplayTransaction(hwcDisplayId);
-            EXPECT_TRUE(waitForModeChangedEvent(hwcDisplayId, i))
-                    << "Failure while switching to mode " << i;
-
-            ui::DisplayMode mode;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-            EXPECT_EQ(ui::Size(800, 1600), mode.resolution);
-            EXPECT_EQ(modes[i].refreshRate, mode.refreshRate);
-        }
-    }
-
-    sp<V2_1::IComposer> mFakeService;
-    sp<SurfaceComposerClient> mComposerClient;
-
-    std::unique_ptr<MockComposerHal> mMockComposer;
-    FakeComposerClient* mFakeComposerClient;
-
-    std::unique_ptr<DisplayEventReceiver> mReceiver;
-    sp<Looper> mLooper;
-    std::deque<DisplayEventReceiver::Event> mReceivedDisplayEvents;
-
-    static constexpr bool mIs2_4Client =
-            std::is_same<FakeComposerService, FakeComposerService_2_4>::value;
-};
-
-using DisplayTest_2_1 = DisplayTest<FakeComposerService_2_1>;
-
-// Tests that VSYNC injection can be safely toggled while invalidating.
-TEST_F(DisplayTest_2_1, VsyncInjection) {
-    const auto flinger = ComposerService::getComposerService();
-    bool enable = true;
-
-    for (int i = 0; i < 100; i++) {
-        flinger->enableVSyncInjections(enable);
-        enable = !enable;
-
-        constexpr uint32_t kForceInvalidate = 1004;
-        android::Parcel data, reply;
-        data.writeInterfaceToken(String16("android.ui.ISurfaceComposer"));
-        EXPECT_EQ(NO_ERROR,
-                  android::IInterface::asBinder(flinger)->transact(kForceInvalidate, data, &reply));
-
-        std::this_thread::sleep_for(5ms);
-    }
-}
-
-TEST_F(DisplayTest_2_1, HotplugOneConfig) {
-    Test_HotplugOneConfig();
-}
-
-TEST_F(DisplayTest_2_1, HotplugTwoSeparateConfigs) {
-    Test_HotplugTwoSeparateConfigs();
-}
-
-TEST_F(DisplayTest_2_1, HotplugTwoConfigsSameGroup) {
-    Test_HotplugTwoConfigsSameGroup();
-}
-
-TEST_F(DisplayTest_2_1, HotplugThreeConfigsMixedGroups) {
-    Test_HotplugThreeConfigsMixedGroups();
-}
-
-TEST_F(DisplayTest_2_1, HotplugPrimaryOneConfig) {
-    Test_HotplugPrimaryDisplay();
-}
-
-TEST_F(DisplayTest_2_1, SubsequentHotplugConnectUpdatesPrimaryDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(PRIMARY_DISPLAY);
-}
-
-TEST_F(DisplayTest_2_1, SubsequentHotplugConnectUpdatesExternalDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(EXTERNAL_DISPLAY);
-}
-
-using DisplayTest_2_2 = DisplayTest<FakeComposerService_2_2>;
-
-TEST_F(DisplayTest_2_2, HotplugOneConfig) {
-    Test_HotplugOneConfig();
-}
-
-TEST_F(DisplayTest_2_2, HotplugTwoSeparateConfigs) {
-    Test_HotplugTwoSeparateConfigs();
-}
-
-TEST_F(DisplayTest_2_2, HotplugTwoConfigsSameGroup) {
-    Test_HotplugTwoConfigsSameGroup();
-}
-
-TEST_F(DisplayTest_2_2, HotplugThreeConfigsMixedGroups) {
-    Test_HotplugThreeConfigsMixedGroups();
-}
-
-TEST_F(DisplayTest_2_2, HotplugPrimaryOneConfig) {
-    Test_HotplugPrimaryDisplay();
-}
-
-TEST_F(DisplayTest_2_2, SubsequentHotplugConnectUpdatesPrimaryDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(PRIMARY_DISPLAY);
-}
-
-TEST_F(DisplayTest_2_2, SubsequentHotplugConnectUpdatesExternalDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(EXTERNAL_DISPLAY);
-}
-
-using DisplayTest_2_3 = DisplayTest<FakeComposerService_2_3>;
-
-TEST_F(DisplayTest_2_3, HotplugOneConfig) {
-    Test_HotplugOneConfig();
-}
-
-TEST_F(DisplayTest_2_3, HotplugTwoSeparateConfigs) {
-    Test_HotplugTwoSeparateConfigs();
-}
-
-TEST_F(DisplayTest_2_3, HotplugTwoConfigsSameGroup) {
-    Test_HotplugTwoConfigsSameGroup();
-}
-
-TEST_F(DisplayTest_2_3, HotplugThreeConfigsMixedGroups) {
-    Test_HotplugThreeConfigsMixedGroups();
-}
-
-TEST_F(DisplayTest_2_3, HotplugPrimaryOneConfig) {
-    Test_HotplugPrimaryDisplay();
-}
-
-TEST_F(DisplayTest_2_3, SubsequentHotplugConnectUpdatesPrimaryDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(PRIMARY_DISPLAY);
-}
-
-TEST_F(DisplayTest_2_3, SubsequentHotplugConnectUpdatesExternalDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(EXTERNAL_DISPLAY);
-}
-
-using DisplayTest_2_4 = DisplayTest<FakeComposerService_2_4>;
-
-TEST_F(DisplayTest_2_4, HotplugOneConfig) {
-    Test_HotplugOneConfig();
-}
-
-TEST_F(DisplayTest_2_4, HotplugTwoSeparateConfigs) {
-    Test_HotplugTwoSeparateConfigs();
-}
-
-TEST_F(DisplayTest_2_4, HotplugTwoConfigsSameGroup) {
-    Test_HotplugTwoConfigsSameGroup();
-}
-
-TEST_F(DisplayTest_2_4, HotplugThreeConfigsMixedGroups) {
-    Test_HotplugThreeConfigsMixedGroups();
-}
-
-TEST_F(DisplayTest_2_4, HotplugPrimaryOneConfig) {
-    Test_HotplugPrimaryDisplay();
-}
-
-TEST_F(DisplayTest_2_4, SubsequentHotplugConnectUpdatesPrimaryDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(PRIMARY_DISPLAY);
-}
-
-TEST_F(DisplayTest_2_4, SubsequentHotplugConnectUpdatesExternalDisplay) {
-    Test_SubsequentHotplugConnectUpdatesDisplay(EXTERNAL_DISPLAY);
-}
-
-////////////////////////////////////////////////
-
-template <typename FakeComposerService>
-class TransactionTest : public ::testing::Test {
-protected:
-    // Layer array indexing constants.
-    constexpr static int BG_LAYER = 0;
-    constexpr static int FG_LAYER = 1;
-
-    static void SetUpTestCase() {
-        // TODO: See TODO comment at DisplayTest::SetUp for background on
-        // the lifetime of the FakeComposerClient.
-        sFakeComposer = new FakeComposerClient;
-        sp<V2_4::hal::ComposerClient> client = new V2_4::hal::ComposerClient(sFakeComposer);
-        sp<V2_1::IComposer> fakeService = new FakeComposerService(client);
-        (void)fakeService->registerAsService("mock");
-
-        android::hardware::ProcessState::self()->startThreadPool();
-        android::ProcessState::self()->startThreadPool();
-
-        startSurfaceFlinger();
-
-        // Fake composer wants to enable VSync injection
-        sFakeComposer->onSurfaceFlingerStart();
-    }
-
-    static void TearDownTestCase() {
-        // Fake composer needs to release SurfaceComposerClient before the stop.
-        sFakeComposer->onSurfaceFlingerStop();
-        stopSurfaceFlinger();
-        // TODO: This is deleted when the ComposerClient calls
-        // removeClient. Devise better lifetime control.
-        sFakeComposer = nullptr;
-    }
-
-    void SetUp() override {
-        ALOGI("TransactionTest::SetUp");
-        mComposerClient = new SurfaceComposerClient;
-        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-
-        ALOGI("TransactionTest::SetUp - display");
-        const auto display = SurfaceComposerClient::getPhysicalDisplayToken(kPrimaryDisplayId);
-        ASSERT_FALSE(display == nullptr);
-
-        ui::DisplayMode mode;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayMode(display, &mode));
-
-        const ui::Size& resolution = mode.resolution;
-        mDisplayWidth = resolution.getWidth();
-        mDisplayHeight = resolution.getHeight();
-
-        // Background surface
-        mBGSurfaceControl =
-                mComposerClient->createSurface(String8("BG Test Surface"), mDisplayWidth,
-                                               mDisplayHeight, PIXEL_FORMAT_RGBA_8888, 0);
-        ASSERT_TRUE(mBGSurfaceControl != nullptr);
-        ASSERT_TRUE(mBGSurfaceControl->isValid());
-        fillSurfaceRGBA8(mBGSurfaceControl, BLUE);
-
-        // Foreground surface
-        mFGSurfaceControl = mComposerClient->createSurface(String8("FG Test Surface"), 64, 64,
-                                                           PIXEL_FORMAT_RGBA_8888, 0);
-        ASSERT_TRUE(mFGSurfaceControl != nullptr);
-        ASSERT_TRUE(mFGSurfaceControl->isValid());
-
-        fillSurfaceRGBA8(mFGSurfaceControl, RED);
-
-        Transaction t;
-        t.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
-
-        t.setLayer(mBGSurfaceControl, INT32_MAX - 2);
-        t.show(mBGSurfaceControl);
-
-        t.setLayer(mFGSurfaceControl, INT32_MAX - 1);
-        t.setPosition(mFGSurfaceControl, 64, 64);
-        t.show(mFGSurfaceControl);
-
-        // Synchronous transaction will stop this thread, so we set up a
-        // delayed, off-thread vsync request before closing the
-        // transaction. In the test code this is usually done with
-        // TransactionScope. Leaving here in the 'vanilla' form for
-        // reference.
-        ASSERT_EQ(0, sFakeComposer->getFrameCount());
-        sFakeComposer->runVSyncAfter(1ms);
-        t.apply();
-        sFakeComposer->waitUntilFrame(1);
-
-        // Reference data. This is what the HWC should see.
-        static_assert(BG_LAYER == 0 && FG_LAYER == 1, "Unexpected enum values for array indexing");
-        mBaseFrame.push_back(makeSimpleRect(0u, 0u, mDisplayWidth, mDisplayHeight));
-        mBaseFrame[BG_LAYER].mSwapCount = 1;
-        mBaseFrame.push_back(makeSimpleRect(64, 64, 64 + 64, 64 + 64));
-        mBaseFrame[FG_LAYER].mSwapCount = 1;
-
-        auto frame = sFakeComposer->getFrameRects(0);
-        ASSERT_TRUE(framesAreSame(mBaseFrame, frame));
-    }
-
-    void TearDown() override {
-        ALOGD("TransactionTest::TearDown");
-
-        mComposerClient->dispose();
-        mBGSurfaceControl = 0;
-        mFGSurfaceControl = 0;
-        mComposerClient = 0;
-
-        sFakeComposer->runVSyncAndWait();
-        mBaseFrame.clear();
-        sFakeComposer->clearFrames();
-        ASSERT_EQ(0, sFakeComposer->getFrameCount());
-
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        std::vector<LayerDebugInfo> layers;
-        status_t result = sf->getLayerDebugInfo(&layers);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to get layers %s %d", strerror(-result), result);
-        } else {
-            // If this fails, the test being torn down leaked layers.
-            EXPECT_EQ(0u, layers.size());
-            if (layers.size() > 0) {
-                for (auto layer = layers.begin(); layer != layers.end(); ++layer) {
-                    std::cout << to_string(*layer).c_str();
-                }
-                // To ensure the next test has clean slate, will run the class
-                // tear down and setup here.
-                TearDownTestCase();
-                SetUpTestCase();
-            }
-        }
-        ALOGD("TransactionTest::TearDown - complete");
-    }
-
-    void Test_LayerMove() {
-        ALOGD("TransactionTest::LayerMove");
-
-        // The scope opens and closes a global transaction and, at the
-        // same time, makes sure the SurfaceFlinger progresses one frame
-        // after the transaction closes. The results of the transaction
-        // should be available in the latest frame stored by the fake
-        // composer.
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setPosition(mFGSurfaceControl, 128, 128);
-            // NOTE: No changes yet, so vsync will do nothing, HWC does not get any calls.
-            // (How to verify that? Throw in vsync and wait a 2x frame time? Separate test?)
-            //
-            // sFakeComposer->runVSyncAndWait();
-        }
-
-        fillSurfaceRGBA8(mFGSurfaceControl, GREEN);
-        sFakeComposer->runVSyncAndWait();
-
-        ASSERT_EQ(3, sFakeComposer->getFrameCount()); // Make sure the waits didn't time out and
-                                                      // there's no extra frames.
-
-        // NOTE: Frame 0 is produced in the SetUp.
-        auto frame1Ref = mBaseFrame;
-        frame1Ref[FG_LAYER].mDisplayFrame =
-                hwc_rect_t{128, 128, 128 + 64, 128 + 64}; // Top-most layer moves.
-        EXPECT_TRUE(framesAreSame(frame1Ref, sFakeComposer->getFrameRects(1)));
-
-        auto frame2Ref = frame1Ref;
-        frame2Ref[FG_LAYER].mSwapCount++;
-        EXPECT_TRUE(framesAreSame(frame2Ref, sFakeComposer->getFrameRects(2)));
-    }
-
-    void Test_LayerCrop() {
-        // TODO: Add scaling to confirm that crop happens in buffer space?
-        {
-            TransactionScope ts(*sFakeComposer);
-            Rect cropRect(16, 16, 32, 32);
-            ts.setCrop(mFGSurfaceControl, cropRect);
-        }
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-
-        auto referenceFrame = mBaseFrame;
-        referenceFrame[FG_LAYER].mSourceCrop = hwc_frect_t{16.f, 16.f, 32.f, 32.f};
-        referenceFrame[FG_LAYER].mDisplayFrame = hwc_rect_t{64 + 16, 64 + 16, 64 + 32, 64 + 32};
-        EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerSetLayer() {
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setLayer(mFGSurfaceControl, INT_MAX - 3);
-        }
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-
-        // The layers will switch order, but both are rendered because the background layer is
-        // transparent (RGBA8888).
-        std::vector<RenderState> referenceFrame(2);
-        referenceFrame[0] = mBaseFrame[FG_LAYER];
-        referenceFrame[1] = mBaseFrame[BG_LAYER];
-        EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerSetLayerOpaque() {
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setLayer(mFGSurfaceControl, INT_MAX - 3);
-            ts.setFlags(mBGSurfaceControl, layer_state_t::eLayerOpaque,
-                        layer_state_t::eLayerOpaque);
-        }
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-
-        // The former foreground layer is now covered with opaque layer - it should have disappeared
-        std::vector<RenderState> referenceFrame(1);
-        referenceFrame[BG_LAYER] = mBaseFrame[BG_LAYER];
-        EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_SetLayerStack() {
-        ALOGD("TransactionTest::SetLayerStack");
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setLayerStack(mFGSurfaceControl, ui::LayerStack{1});
-        }
-
-        // Foreground layer should have disappeared.
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-        std::vector<RenderState> refFrame(1);
-        refFrame[BG_LAYER] = mBaseFrame[BG_LAYER];
-        EXPECT_TRUE(framesAreSame(refFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerShowHide() {
-        ALOGD("TransactionTest::LayerShowHide");
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.hide(mFGSurfaceControl);
-        }
-
-        // Foreground layer should have disappeared.
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-        std::vector<RenderState> refFrame(1);
-        refFrame[BG_LAYER] = mBaseFrame[BG_LAYER];
-        EXPECT_TRUE(framesAreSame(refFrame, sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.show(mFGSurfaceControl);
-        }
-
-        // Foreground layer should be back
-        ASSERT_EQ(3, sFakeComposer->getFrameCount());
-        EXPECT_TRUE(framesAreSame(mBaseFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerSetAlpha() {
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setAlpha(mFGSurfaceControl, 0.75f);
-        }
-
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-        auto referenceFrame = mBaseFrame;
-        referenceFrame[FG_LAYER].mPlaneAlpha = 0.75f;
-        EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerSetFlags() {
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setFlags(mFGSurfaceControl, layer_state_t::eLayerHidden,
-                        layer_state_t::eLayerHidden);
-        }
-
-        // Foreground layer should have disappeared.
-        ASSERT_EQ(2, sFakeComposer->getFrameCount());
-        std::vector<RenderState> refFrame(1);
-        refFrame[BG_LAYER] = mBaseFrame[BG_LAYER];
-        EXPECT_TRUE(framesAreSame(refFrame, sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerSetMatrix() {
-        struct matrixTestData {
-            float matrix[4];
-            hwc_transform_t expectedTransform;
-            hwc_rect_t expectedDisplayFrame;
-        };
-
-        // The matrix operates on the display frame and is applied before
-        // the position is added. So, the foreground layer rect is (0, 0,
-        // 64, 64) is first transformed, potentially yielding negative
-        // coordinates and then the position (64, 64) is added yielding
-        // the final on-screen rectangles given.
-
-        const matrixTestData MATRIX_TESTS[7] = // clang-format off
-                {{{-1.f, 0.f, 0.f, 1.f},    HWC_TRANSFORM_FLIP_H,           {0, 64, 64, 128}},
-                 {{1.f, 0.f, 0.f, -1.f},    HWC_TRANSFORM_FLIP_V,           {64, 0, 128, 64}},
-                 {{0.f, 1.f, -1.f, 0.f},    HWC_TRANSFORM_ROT_90,           {0, 64, 64, 128}},
-                 {{-1.f, 0.f, 0.f, -1.f},   HWC_TRANSFORM_ROT_180,          {0, 0, 64, 64}},
-                 {{0.f, -1.f, 1.f, 0.f},    HWC_TRANSFORM_ROT_270,          {64, 0, 128, 64}},
-                 {{0.f, 1.f, 1.f, 0.f},     HWC_TRANSFORM_FLIP_H_ROT_90,    {64, 64, 128, 128}},
-                 {{0.f, 1.f, 1.f, 0.f},     HWC_TRANSFORM_FLIP_V_ROT_90,    {64, 64, 128, 128}}};
-        // clang-format on
-        constexpr int TEST_COUNT = sizeof(MATRIX_TESTS) / sizeof(matrixTestData);
-
-        for (int i = 0; i < TEST_COUNT; i++) {
-            // TODO: How to leverage the HWC2 stringifiers?
-            const matrixTestData& xform = MATRIX_TESTS[i];
-            SCOPED_TRACE(i);
-            {
-                TransactionScope ts(*sFakeComposer);
-                ts.setMatrix(mFGSurfaceControl, xform.matrix[0], xform.matrix[1], xform.matrix[2],
-                             xform.matrix[3]);
-            }
-
-            auto referenceFrame = mBaseFrame;
-            referenceFrame[FG_LAYER].mTransform = xform.expectedTransform;
-            referenceFrame[FG_LAYER].mDisplayFrame = xform.expectedDisplayFrame;
-
-            EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-        }
-    }
-
-    void Test_SetRelativeLayer() {
-        constexpr int RELATIVE_LAYER = 2;
-        auto relativeSurfaceControl = mComposerClient->createSurface(String8("Test Surface"), 64,
-                                                                     64, PIXEL_FORMAT_RGBA_8888, 0);
-        fillSurfaceRGBA8(relativeSurfaceControl, LIGHT_RED);
-
-        // Now we stack the surface above the foreground surface and make sure it is visible.
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setPosition(relativeSurfaceControl, 64, 64);
-            ts.show(relativeSurfaceControl);
-            ts.setRelativeLayer(relativeSurfaceControl, mFGSurfaceControl, 1);
-        }
-        auto referenceFrame = mBaseFrame;
-        // NOTE: All three layers will be visible as the surfaces are
-        // transparent because of the RGBA format.
-        referenceFrame.push_back(makeSimpleRect(64, 64, 64 + 64, 64 + 64));
-        referenceFrame[RELATIVE_LAYER].mSwapCount = 1;
-        EXPECT_TRUE(framesAreSame(referenceFrame, sFakeComposer->getLatestFrame()));
-
-        // A call to setLayer will override a call to setRelativeLayer
-        {
-            TransactionScope ts(*sFakeComposer);
-            ts.setLayer(relativeSurfaceControl, 0);
-        }
-
-        // Previous top layer will now appear at the bottom.
-        auto referenceFrame2 = mBaseFrame;
-        referenceFrame2.insert(referenceFrame2.begin(), referenceFrame[RELATIVE_LAYER]);
-        EXPECT_EQ(3, sFakeComposer->getFrameCount());
-        EXPECT_TRUE(framesAreSame(referenceFrame2, sFakeComposer->getLatestFrame()));
-    }
-
-    sp<SurfaceComposerClient> mComposerClient;
-    sp<SurfaceControl> mBGSurfaceControl;
-    sp<SurfaceControl> mFGSurfaceControl;
-    std::vector<RenderState> mBaseFrame;
-    uint32_t mDisplayWidth;
-    uint32_t mDisplayHeight;
-
-    static inline FakeComposerClient* sFakeComposer;
-};
-
-using TransactionTest_2_1 = TransactionTest<FakeComposerService_2_1>;
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerMove) {
-    Test_LayerMove();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerCrop) {
-    Test_LayerCrop();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerSetLayer) {
-    Test_LayerSetLayer();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerSetLayerOpaque) {
-    Test_LayerSetLayerOpaque();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_SetLayerStack) {
-    Test_SetLayerStack();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerShowHide) {
-    Test_LayerShowHide();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerSetAlpha) {
-    Test_LayerSetAlpha();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerSetFlags) {
-    Test_LayerSetFlags();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_LayerSetMatrix) {
-    Test_LayerSetMatrix();
-}
-
-TEST_F(TransactionTest_2_1, DISABLED_SetRelativeLayer) {
-    Test_SetRelativeLayer();
-}
-
-template <typename FakeComposerService>
-class ChildLayerTest : public TransactionTest<FakeComposerService> {
-    using Base = TransactionTest<FakeComposerService>;
-
-protected:
-    constexpr static int CHILD_LAYER = 2;
-
-    void SetUp() override {
-        Base::SetUp();
-        mChild = Base::mComposerClient->createSurface(String8("Child surface"), 10, 10,
-                                                      PIXEL_FORMAT_RGBA_8888, 0,
-                                                      Base::mFGSurfaceControl->getHandle());
-        fillSurfaceRGBA8(mChild, LIGHT_GRAY);
-
-        Base::sFakeComposer->runVSyncAndWait();
-        Base::mBaseFrame.push_back(makeSimpleRect(64, 64, 64 + 10, 64 + 10));
-        Base::mBaseFrame[CHILD_LAYER].mSwapCount = 1;
-        ASSERT_EQ(2, Base::sFakeComposer->getFrameCount());
-        ASSERT_TRUE(framesAreSame(Base::mBaseFrame, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void TearDown() override {
-        mChild = 0;
-        Base::TearDown();
-    }
-
-    void Test_Positioning() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(mChild);
-            ts.setPosition(mChild, 10, 10);
-            // Move to the same position as in the original setup.
-            ts.setPosition(Base::mFGSurfaceControl, 64, 64);
-        }
-
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{64, 64, 64 + 64, 64 + 64};
-        referenceFrame[CHILD_LAYER].mDisplayFrame =
-                hwc_rect_t{64 + 10, 64 + 10, 64 + 10 + 10, 64 + 10 + 10};
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-        }
-
-        auto referenceFrame2 = Base::mBaseFrame;
-        referenceFrame2[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 0 + 64, 0 + 64};
-        referenceFrame2[CHILD_LAYER].mDisplayFrame =
-                hwc_rect_t{0 + 10, 0 + 10, 0 + 10 + 10, 0 + 10 + 10};
-        EXPECT_TRUE(framesAreSame(referenceFrame2, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_Cropping() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(mChild);
-            ts.setPosition(mChild, 0, 0);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-            ts.setCrop(Base::mFGSurfaceControl, Rect(0, 0, 5, 5));
-        }
-        // NOTE: The foreground surface would be occluded by the child
-        // now, but is included in the stack because the child is
-        // transparent.
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 0 + 5, 0 + 5};
-        referenceFrame[Base::FG_LAYER].mSourceCrop = hwc_frect_t{0.f, 0.f, 5.f, 5.f};
-        referenceFrame[CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 0 + 5, 0 + 5};
-        referenceFrame[CHILD_LAYER].mSourceCrop = hwc_frect_t{0.f, 0.f, 5.f, 5.f};
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_Constraints() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(mChild);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-            ts.setPosition(mChild, 63, 63);
-        }
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 64, 64};
-        referenceFrame[CHILD_LAYER].mDisplayFrame = hwc_rect_t{63, 63, 64, 64};
-        referenceFrame[CHILD_LAYER].mSourceCrop = hwc_frect_t{0.f, 0.f, 1.f, 1.f};
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_Scaling() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-        }
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 64, 64};
-        referenceFrame[CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 10, 10};
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setMatrix(Base::mFGSurfaceControl, 2.0, 0, 0, 2.0);
-        }
-
-        auto referenceFrame2 = Base::mBaseFrame;
-        referenceFrame2[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 128, 128};
-        referenceFrame2[CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 20, 20};
-        EXPECT_TRUE(framesAreSame(referenceFrame2, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerAlpha() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(mChild);
-            ts.setPosition(mChild, 0, 0);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-            ts.setAlpha(mChild, 0.5);
-        }
-
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 64, 64};
-        referenceFrame[CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 10, 10};
-        referenceFrame[CHILD_LAYER].mPlaneAlpha = 0.5f;
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setAlpha(Base::mFGSurfaceControl, 0.5);
-        }
-
-        auto referenceFrame2 = referenceFrame;
-        referenceFrame2[Base::FG_LAYER].mPlaneAlpha = 0.5f;
-        referenceFrame2[CHILD_LAYER].mPlaneAlpha = 0.25f;
-        EXPECT_TRUE(framesAreSame(referenceFrame2, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    sp<SurfaceControl> mChild;
-};
-
-using ChildLayerTest_2_1 = ChildLayerTest<FakeComposerService_2_1>;
-
-TEST_F(ChildLayerTest_2_1, DISABLED_Positioning) {
-    Test_Positioning();
-}
-
-TEST_F(ChildLayerTest_2_1, DISABLED_Cropping) {
-    Test_Cropping();
-}
-
-TEST_F(ChildLayerTest_2_1, DISABLED_Constraints) {
-    Test_Constraints();
-}
-
-TEST_F(ChildLayerTest_2_1, DISABLED_Scaling) {
-    Test_Scaling();
-}
-
-TEST_F(ChildLayerTest_2_1, DISABLED_LayerAlpha) {
-    Test_LayerAlpha();
-}
-
-template <typename FakeComposerService>
-class ChildColorLayerTest : public ChildLayerTest<FakeComposerService> {
-    using Base = ChildLayerTest<FakeComposerService>;
-
-protected:
-    void SetUp() override {
-        Base::SetUp();
-        Base::mChild =
-                Base::mComposerClient->createSurface(String8("Child surface"), 0, 0,
-                                                     PIXEL_FORMAT_RGBA_8888,
-                                                     ISurfaceComposerClient::eFXSurfaceEffect,
-                                                     Base::mFGSurfaceControl->getHandle());
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setColor(Base::mChild,
-                        {LIGHT_GRAY.r / 255.0f, LIGHT_GRAY.g / 255.0f, LIGHT_GRAY.b / 255.0f});
-            ts.setCrop(Base::mChild, Rect(0, 0, 10, 10));
-        }
-
-        Base::sFakeComposer->runVSyncAndWait();
-        Base::mBaseFrame.push_back(makeSimpleRect(64, 64, 64 + 10, 64 + 10));
-        Base::mBaseFrame[Base::CHILD_LAYER].mSourceCrop = hwc_frect_t{0.0f, 0.0f, 0.0f, 0.0f};
-        Base::mBaseFrame[Base::CHILD_LAYER].mSwapCount = 0;
-        ASSERT_EQ(2, Base::sFakeComposer->getFrameCount());
-        ASSERT_TRUE(framesAreSame(Base::mBaseFrame, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerAlpha() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(Base::mChild);
-            ts.setPosition(Base::mChild, 0, 0);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-            ts.setAlpha(Base::mChild, 0.5);
-        }
-
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 64, 64};
-        referenceFrame[Base::CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 10, 10};
-        referenceFrame[Base::CHILD_LAYER].mPlaneAlpha = 0.5f;
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setAlpha(Base::mFGSurfaceControl, 0.5);
-        }
-
-        auto referenceFrame2 = referenceFrame;
-        referenceFrame2[Base::FG_LAYER].mPlaneAlpha = 0.5f;
-        referenceFrame2[Base::CHILD_LAYER].mPlaneAlpha = 0.25f;
-        EXPECT_TRUE(framesAreSame(referenceFrame2, Base::sFakeComposer->getLatestFrame()));
-    }
-
-    void Test_LayerZeroAlpha() {
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.show(Base::mChild);
-            ts.setPosition(Base::mChild, 0, 0);
-            ts.setPosition(Base::mFGSurfaceControl, 0, 0);
-            ts.setAlpha(Base::mChild, 0.5);
-        }
-
-        auto referenceFrame = Base::mBaseFrame;
-        referenceFrame[Base::FG_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 64, 64};
-        referenceFrame[Base::CHILD_LAYER].mDisplayFrame = hwc_rect_t{0, 0, 10, 10};
-        referenceFrame[Base::CHILD_LAYER].mPlaneAlpha = 0.5f;
-        EXPECT_TRUE(framesAreSame(referenceFrame, Base::sFakeComposer->getLatestFrame()));
-
-        {
-            TransactionScope ts(*Base::sFakeComposer);
-            ts.setAlpha(Base::mFGSurfaceControl, 0.0f);
-        }
-
-        std::vector<RenderState> refFrame(1);
-        refFrame[Base::BG_LAYER] = Base::mBaseFrame[Base::BG_LAYER];
-
-        EXPECT_TRUE(framesAreSame(refFrame, Base::sFakeComposer->getLatestFrame()));
-    }
-};
-
-using ChildColorLayerTest_2_1 = ChildColorLayerTest<FakeComposerService_2_1>;
-
-TEST_F(ChildColorLayerTest_2_1, DISABLED_LayerAlpha) {
-    Test_LayerAlpha();
-}
-
-TEST_F(ChildColorLayerTest_2_1, DISABLED_LayerZeroAlpha) {
-    Test_LayerZeroAlpha();
-}
-} // namespace
-
-int main(int argc, char** argv) {
-    ::testing::InitGoogleTest(&argc, argv);
-
-    auto* fakeEnvironment = new sftest::FakeHwcEnvironment;
-    ::testing::AddGlobalTestEnvironment(fakeEnvironment);
-    ::testing::InitGoogleMock(&argc, argv);
-    return RUN_ALL_TESTS();
-}
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
diff --git a/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp b/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
index ac4354cde1..0e214af706 100644
--- a/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
+++ b/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
@@ -83,6 +83,37 @@ protected:
 
 std::vector<std::filesystem::path> TransactionTraceTestSuite::sTransactionTraces{};
 
+struct LayerInfo {
+    int id;
+    std::string name;
+    int parent;
+    int z;
+    uint64_t curr_frame;
+    float x;
+    float y;
+};
+
+bool operator==(const LayerInfo& lh, const LayerInfo& rh) {
+    return std::make_tuple(lh.id, lh.name, lh.parent, lh.z, lh.curr_frame) ==
+            std::make_tuple(rh.id, rh.name, rh.parent, rh.z, rh.curr_frame);
+}
+
+bool compareById(const LayerInfo& a, const LayerInfo& b) {
+    return a.id < b.id;
+}
+
+inline void PrintTo(const LayerInfo& info, ::std::ostream* os) {
+    *os << "Layer [" << info.id << "] name=" << info.name << " parent=" << info.parent
+        << " z=" << info.z << " curr_frame=" << info.curr_frame << " x=" << info.x
+        << " y=" << info.y;
+}
+
+struct find_id : std::unary_function<LayerInfo, bool> {
+    int id;
+    find_id(int id) : id(id) {}
+    bool operator()(LayerInfo const& m) const { return m.id == id; }
+};
+
 TEST_P(TransactionTraceTestSuite, validateEndState) {
     ASSERT_GT(mActualLayersTraceProto.entry_size(), 0);
     ASSERT_GT(mExpectedLayersTraceProto.entry_size(), 0);
@@ -92,19 +123,64 @@ TEST_P(TransactionTraceTestSuite, validateEndState) {
     auto actualLastEntry = mActualLayersTraceProto.entry(mActualLayersTraceProto.entry_size() - 1);
 
     EXPECT_EQ(expectedLastEntry.layers().layers_size(), actualLastEntry.layers().layers_size());
-    for (int i = 0;
-         i < expectedLastEntry.layers().layers_size() && i < actualLastEntry.layers().layers_size();
-         i++) {
-        auto expectedLayer = expectedLastEntry.layers().layers(i);
-        auto actualLayer = actualLastEntry.layers().layers(i);
-        EXPECT_EQ(expectedLayer.id(), actualLayer.id());
-        EXPECT_EQ(expectedLayer.name(), actualLayer.name());
-        EXPECT_EQ(expectedLayer.parent(), actualLayer.parent());
-        EXPECT_EQ(expectedLayer.z(), actualLayer.z());
-        EXPECT_EQ(expectedLayer.curr_frame(), actualLayer.curr_frame());
-        ALOGV("Validating %s[%d] parent=%d z=%d frame=%" PRIu64, expectedLayer.name().c_str(),
-              expectedLayer.id(), expectedLayer.parent(), expectedLayer.z(),
-              expectedLayer.curr_frame());
+
+    std::vector<LayerInfo> expectedLayers;
+    expectedLayers.reserve(static_cast<size_t>(expectedLastEntry.layers().layers_size()));
+    for (int i = 0; i < expectedLastEntry.layers().layers_size(); i++) {
+        auto layer = expectedLastEntry.layers().layers(i);
+        expectedLayers.push_back({layer.id(), layer.name(), layer.parent(), layer.z(),
+                                  layer.curr_frame(),
+                                  layer.has_position() ? layer.position().x() : -1,
+                                  layer.has_position() ? layer.position().y() : -1});
+    }
+    std::sort(expectedLayers.begin(), expectedLayers.end(), compareById);
+
+    std::vector<LayerInfo> actualLayers;
+    actualLayers.reserve(static_cast<size_t>(actualLastEntry.layers().layers_size()));
+    for (int i = 0; i < actualLastEntry.layers().layers_size(); i++) {
+        auto layer = actualLastEntry.layers().layers(i);
+        actualLayers.push_back({layer.id(), layer.name(), layer.parent(), layer.z(),
+                                layer.curr_frame(),
+                                layer.has_position() ? layer.position().x() : -1,
+                                layer.has_position() ? layer.position().y() : -1});
+    }
+    std::sort(actualLayers.begin(), actualLayers.end(), compareById);
+
+    size_t i = 0;
+    for (; i < actualLayers.size() && i < expectedLayers.size(); i++) {
+        auto it = std::find_if(actualLayers.begin(), actualLayers.end(),
+                               find_id(expectedLayers[i].id));
+        EXPECT_NE(it, actualLayers.end());
+        EXPECT_EQ(expectedLayers[i], *it);
+        ALOGV("Validating %s[%d] parent=%d z=%d frame=%" PRIu64, expectedLayers[i].name.c_str(),
+              expectedLayers[i].id, expectedLayers[i].parent, expectedLayers[i].z,
+              expectedLayers[i].curr_frame);
+    }
+
+    EXPECT_EQ(expectedLayers.size(), actualLayers.size());
+
+    if (i < actualLayers.size()) {
+        for (size_t j = 0; j < actualLayers.size(); j++) {
+            if (std::find_if(expectedLayers.begin(), expectedLayers.end(),
+                             find_id(actualLayers[j].id)) == expectedLayers.end()) {
+                ALOGD("actualLayers [%d]:%s parent=%d z=%d frame=%" PRIu64, actualLayers[j].id,
+                      actualLayers[j].name.c_str(), actualLayers[j].parent, actualLayers[j].z,
+                      actualLayers[j].curr_frame);
+            }
+        }
+        FAIL();
+    }
+
+    if (i < expectedLayers.size()) {
+        for (size_t j = 0; j < expectedLayers.size(); j++) {
+            if (std::find_if(actualLayers.begin(), actualLayers.end(),
+                             find_id(expectedLayers[j].id)) == actualLayers.end()) {
+                ALOGD("expectedLayers [%d]:%s parent=%d z=%d frame=%" PRIu64, expectedLayers[j].id,
+                      expectedLayers[j].name.c_str(), expectedLayers[j].parent, expectedLayers[j].z,
+                      expectedLayers[j].curr_frame);
+            }
+        }
+        FAIL();
     }
 }
 
diff --git a/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope b/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope
new file mode 100644
index 0000000000..16a91ee6ee
--- /dev/null
+++ b/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope
diff --git a/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope b/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope
new file mode 100644
index 0000000000..cd62ab8ce0
--- /dev/null
+++ b/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope
diff --git a/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp b/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
index 53de4a6e56..513f77989b 100644
--- a/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
+++ b/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
@@ -50,20 +50,15 @@ protected:
     sp<NiceMock<MockIPower>> mMockHal = nullptr;
     sp<NiceMock<MockIPowerHintSession>> mMockSession = nullptr;
     void verifyAndClearExpectations();
-    void sendActualWorkDurationGroup(std::vector<WorkDuration> durations,
-                                     std::chrono::nanoseconds sleepBeforeLastSend);
-    std::chrono::nanoseconds mAllowedDeviation;
-    std::chrono::nanoseconds mStaleTimeout;
+    void sendActualWorkDurationGroup(std::vector<WorkDuration> durations);
+    static constexpr std::chrono::duration kStaleTimeout = 100ms;
 };
 
 void AidlPowerHalWrapperTest::SetUp() {
-    mMockHal = new NiceMock<MockIPower>();
-    mMockSession = new NiceMock<MockIPowerHintSession>();
+    mMockHal = sp<NiceMock<MockIPower>>::make();
+    mMockSession = sp<NiceMock<MockIPowerHintSession>>::make();
     ON_CALL(*mMockHal.get(), getHintSessionPreferredRate(_)).WillByDefault(Return(Status::ok()));
     mWrapper = std::make_unique<AidlPowerHalWrapper>(mMockHal);
-    mWrapper->setAllowedActualDeviation(std::chrono::nanoseconds{10ms}.count());
-    mAllowedDeviation = std::chrono::nanoseconds{mWrapper->mAllowedActualDeviation};
-    mStaleTimeout = AidlPowerHalWrapper::kStaleTimeout;
 }
 
 void AidlPowerHalWrapperTest::verifyAndClearExpectations() {
@@ -71,14 +66,11 @@ void AidlPowerHalWrapperTest::verifyAndClearExpectations() {
     Mock::VerifyAndClearExpectations(mMockSession.get());
 }
 
-void AidlPowerHalWrapperTest::sendActualWorkDurationGroup(
-        std::vector<WorkDuration> durations, std::chrono::nanoseconds sleepBeforeLastSend) {
+void AidlPowerHalWrapperTest::sendActualWorkDurationGroup(std::vector<WorkDuration> durations) {
     for (size_t i = 0; i < durations.size(); i++) {
-        if (i == durations.size() - 1) {
-            std::this_thread::sleep_for(sleepBeforeLastSend);
-        }
         auto duration = durations[i];
-        mWrapper->sendActualWorkDuration(duration.durationNanos, duration.timeStampNanos);
+        mWrapper->sendActualWorkDuration(Duration::fromNs(duration.durationNanos),
+                                         TimePoint::fromNs(duration.timeStampNanos));
     }
 }
 
@@ -164,13 +156,13 @@ TEST_F(AidlPowerHalWrapperTest, setTargetWorkDuration) {
 
     for (const auto& test : testCases) {
         // reset to 100ms baseline
-        mWrapper->setTargetWorkDuration(1);
-        mWrapper->setTargetWorkDuration(base.count());
+        mWrapper->setTargetWorkDuration(1ns);
+        mWrapper->setTargetWorkDuration(base);
 
-        auto target = test.first;
+        std::chrono::nanoseconds target = test.first;
         EXPECT_CALL(*mMockSession.get(), updateTargetWorkDuration(target.count()))
                 .Times(test.second ? 1 : 0);
-        mWrapper->setTargetWorkDuration(target.count());
+        mWrapper->setTargetWorkDuration(target);
         verifyAndClearExpectations();
     }
 }
@@ -187,7 +179,7 @@ TEST_F(AidlPowerHalWrapperTest, setTargetWorkDuration_shouldReconnectOnError) {
 
     EXPECT_CALL(*mMockSession.get(), updateTargetWorkDuration(1))
             .WillOnce(Return(Status::fromExceptionCode(Status::Exception::EX_ILLEGAL_STATE)));
-    mWrapper->setTargetWorkDuration(1);
+    mWrapper->setTargetWorkDuration(1ns);
     EXPECT_TRUE(mWrapper->shouldReconnectHAL());
 }
 
@@ -206,58 +198,24 @@ TEST_F(AidlPowerHalWrapperTest, sendActualWorkDuration) {
     // 100ms
     const std::vector<std::pair<std::vector<std::pair<std::chrono::nanoseconds, nsecs_t>>, bool>>
             testCases = {{{{-1ms, 100}}, false},
-                         {{{100ms - (mAllowedDeviation / 2), 100}}, false},
-                         {{{100ms + (mAllowedDeviation / 2), 100}}, false},
-                         {{{100ms + (mAllowedDeviation + 1ms), 100}}, true},
-                         {{{100ms - (mAllowedDeviation + 1ms), 100}}, true},
+                         {{{50ms, 100}}, true},
                          {{{100ms, 100}, {200ms, 200}}, true},
                          {{{100ms, 500}, {100ms, 600}, {3ms, 600}}, true}};
 
     for (const auto& test : testCases) {
         // reset actual duration
-        sendActualWorkDurationGroup({base}, mStaleTimeout);
+        sendActualWorkDurationGroup({base});
 
         auto raw = test.first;
         std::vector<WorkDuration> durations(raw.size());
         std::transform(raw.begin(), raw.end(), durations.begin(),
                        [](auto d) { return toWorkDuration(d); });
-        EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(durations))
-                .Times(test.second ? 1 : 0);
-        sendActualWorkDurationGroup(durations, 0ms);
-        verifyAndClearExpectations();
-    }
-}
-
-TEST_F(AidlPowerHalWrapperTest, sendActualWorkDuration_exceedsStaleTime) {
-    ASSERT_TRUE(mWrapper->supportsPowerHintSession());
-
-    std::vector<int32_t> threadIds = {1, 2};
-    mWrapper->setPowerHintSessionThreadIds(threadIds);
-    EXPECT_CALL(*mMockHal.get(), createHintSession(_, _, threadIds, _, _))
-            .WillOnce(DoAll(SetArgPointee<4>(mMockSession), Return(Status::ok())));
-    ASSERT_TRUE(mWrapper->startPowerHintSession());
-    verifyAndClearExpectations();
-
-    auto base = toWorkDuration(100ms, 0);
-    // test cases with actual work durations and whether it should update hint against baseline
-    // 100ms
-    const std::vector<std::tuple<std::vector<std::pair<std::chrono::nanoseconds, nsecs_t>>,
-                                 std::chrono::nanoseconds, bool>>
-            testCases = {{{{100ms, 100}}, mStaleTimeout, true},
-                         {{{100ms + (mAllowedDeviation / 2), 100}}, mStaleTimeout, true},
-                         {{{100ms, 100}}, mStaleTimeout / 2, false}};
-
-    for (const auto& test : testCases) {
-        // reset actual duration
-        sendActualWorkDurationGroup({base}, mStaleTimeout);
-
-        auto raw = std::get<0>(test);
-        std::vector<WorkDuration> durations(raw.size());
-        std::transform(raw.begin(), raw.end(), durations.begin(),
-                       [](auto d) { return toWorkDuration(d); });
-        EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(durations))
-                .Times(std::get<2>(test) ? 1 : 0);
-        sendActualWorkDurationGroup(durations, std::get<1>(test));
+        for (auto& duration : durations) {
+            EXPECT_CALL(*mMockSession.get(),
+                        reportActualWorkDuration(std::vector<WorkDuration>{duration}))
+                    .Times(test.second ? 1 : 0);
+        }
+        sendActualWorkDurationGroup(durations);
         verifyAndClearExpectations();
     }
 }
@@ -275,7 +233,7 @@ TEST_F(AidlPowerHalWrapperTest, sendActualWorkDuration_shouldReconnectOnError) {
     duration.durationNanos = 1;
     EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(_))
             .WillOnce(Return(Status::fromExceptionCode(Status::Exception::EX_ILLEGAL_STATE)));
-    sendActualWorkDurationGroup({duration}, 0ms);
+    sendActualWorkDurationGroup({duration});
     EXPECT_TRUE(mWrapper->shouldReconnectHAL());
 }
 
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 339d746fac..bf22521dfe 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -34,7 +34,6 @@ filegroup {
         "mock/MockFrameTimeline.cpp",
         "mock/MockFrameTracer.cpp",
         "mock/MockNativeWindowSurface.cpp",
-        "mock/MockSurfaceInterceptor.cpp",
         "mock/MockTimeStats.cpp",
         "mock/MockVsyncController.cpp",
         "mock/MockVSyncTracker.cpp",
@@ -71,7 +70,6 @@ cc_test {
         ":libsurfaceflinger_sources",
         "libsurfaceflinger_unittest_main.cpp",
         "AidlPowerHalWrapperTest.cpp",
-        "CachingTest.cpp",
         "CompositionTest.cpp",
         "DispSyncSourceTest.cpp",
         "DisplayIdGeneratorTest.cpp",
@@ -86,6 +84,7 @@ cc_test {
         "FpsTest.cpp",
         "FramebufferSurfaceTest.cpp",
         "FrameRateOverrideMappingsTest.cpp",
+        "FrameRateSelectionPriorityTest.cpp",
         "FrameTimelineTest.cpp",
         "GameModeTest.cpp",
         "HWComposerTest.cpp",
@@ -93,6 +92,8 @@ cc_test {
         "LayerHistoryTest.cpp",
         "LayerInfoTest.cpp",
         "LayerMetadataTest.cpp",
+        "LayerHierarchyTest.cpp",
+        "LayerLifecycleManagerTest.cpp",
         "LayerTest.cpp",
         "LayerTestUtils.cpp",
         "MessageQueueTest.cpp",
@@ -109,10 +110,11 @@ cc_test {
         "SurfaceFlinger_SetDisplayStateTest.cpp",
         "SurfaceFlinger_SetPowerModeInternalTest.cpp",
         "SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp",
+        "SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp",
+        "SurfaceFlinger_ExcludeDolbyVisionTest.cpp",
         "SchedulerTest.cpp",
         "SetFrameRateTest.cpp",
-        "RefreshRateConfigsTest.cpp",
-        "RefreshRateSelectionTest.cpp",
+        "RefreshRateSelectorTest.cpp",
         "RefreshRateStatsTest.cpp",
         "RegionSamplingTest.cpp",
         "TimeStatsTest.cpp",
@@ -135,20 +137,22 @@ cc_test {
 
 cc_defaults {
     name: "libsurfaceflinger_mocks_defaults",
+    defaults: [
+        "android.hardware.graphics.common-ndk_static",
+        "android.hardware.graphics.composer3-ndk_static",
+    ],
     static_libs: [
         "android.hardware.common-V2-ndk",
         "android.hardware.common.fmq-V1-ndk",
-        "android.hardware.graphics.common-V4-ndk",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.1",
         "android.hardware.power@1.2",
         "android.hardware.power@1.3",
-        "android.hardware.power-V2-cpp",
+        "android.hardware.power-V4-cpp",
         "libaidlcommonsupport",
         "libcompositionengine_mocks",
         "libcompositionengine",
@@ -165,7 +169,6 @@ cc_defaults {
         "libtimestats_atoms_proto",
         "libtimestats_proto",
         "libtonemap",
-        "libtrace_proto",
         "perfetto_trace_protos",
     ],
     shared_libs: [
diff --git a/services/surfaceflinger/tests/unittests/CachingTest.cpp b/services/surfaceflinger/tests/unittests/CachingTest.cpp
deleted file mode 100644
index 6f85498670..0000000000
--- a/services/surfaceflinger/tests/unittests/CachingTest.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#undef LOG_TAG
-#define LOG_TAG "CachingTest"
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-#include <gui/BufferQueue.h>
-#include "BufferStateLayer.h"
-
-namespace android {
-
-class SlotGenerationTest : public testing::Test {
-protected:
-    sp<BufferStateLayer::HwcSlotGenerator> mHwcSlotGenerator =
-            sp<BufferStateLayer::HwcSlotGenerator>::make();
-    sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer3{new GraphicBuffer(10, 10, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-};
-
-TEST_F(SlotGenerationTest, getHwcCacheSlot_Invalid) {
-    sp<IBinder> binder = new BBinder();
-    // test getting invalid client_cache_id
-    client_cache_t id;
-    int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
-    EXPECT_EQ(BufferQueue::INVALID_BUFFER_SLOT, slot);
-}
-
-TEST_F(SlotGenerationTest, getHwcCacheSlot_Basic) {
-    sp<IBinder> binder = new BBinder();
-    client_cache_t id;
-    id.token = binder;
-    id.id = 0;
-    int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
-    EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
-
-    client_cache_t idB;
-    idB.token = binder;
-    idB.id = 1;
-    slot = mHwcSlotGenerator->getHwcCacheSlot(idB);
-    EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
-
-    slot = mHwcSlotGenerator->getHwcCacheSlot(idB);
-    EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 2, slot);
-
-    slot = mHwcSlotGenerator->getHwcCacheSlot(id);
-    EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - 1, slot);
-}
-
-TEST_F(SlotGenerationTest, getHwcCacheSlot_Reuse) {
-    sp<IBinder> binder = new BBinder();
-    std::vector<client_cache_t> ids;
-    uint32_t cacheId = 0;
-    // fill up cache
-    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-        client_cache_t id;
-        id.token = binder;
-        id.id = cacheId;
-        ids.push_back(id);
-
-        int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
-        EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
-        cacheId++;
-    }
-    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-        int slot = mHwcSlotGenerator->getHwcCacheSlot(ids[static_cast<uint32_t>(i)]);
-        EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
-    }
-
-    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-        client_cache_t id;
-        id.token = binder;
-        id.id = cacheId;
-        int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
-        EXPECT_EQ(BufferQueue::NUM_BUFFER_SLOTS - (i + 1), slot);
-        cacheId++;
-    }
-}
-} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index fbc532eb77..06b9caa7cb 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -37,10 +37,7 @@
 #include <system/window.h>
 #include <utils/String8.h>
 
-#include "BufferQueueLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayRenderArea.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -131,13 +128,15 @@ public:
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -179,11 +178,11 @@ public:
     sp<DisplayDevice> mDisplay;
     sp<DisplayDevice> mExternalDisplay;
     sp<compositionengine::mock::DisplaySurface> mDisplaySurface =
-            new compositionengine::mock::DisplaySurface();
-    mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
     std::vector<sp<Layer>> mAuxiliaryLayers;
 
-    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
+    sp<GraphicBuffer> mBuffer = sp<GraphicBuffer>::make();
     ANativeWindowBuffer* mNativeWindowBuffer = mBuffer->getNativeBuffer();
 
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -245,8 +244,8 @@ void CompositionTest::captureScreenComposition() {
                                                                       HAL_PIXEL_FORMAT_RGBA_8888, 1,
                                                                       usage);
 
-    auto future = mFlinger.renderScreenImpl(*renderArea, traverseLayers, mCaptureScreenBuffer,
-                                            forSystem, regionSampling);
+    auto future = mFlinger.renderScreenImpl(std::move(renderArea), traverseLayers,
+                                            mCaptureScreenBuffer, forSystem, regionSampling);
     ASSERT_TRUE(future.valid());
     const auto fenceResult = future.get();
 
@@ -309,16 +308,20 @@ struct BaseDisplayVariant {
                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
                                                        ceDisplayArgs);
 
+        constexpr auto kDisplayConnectionType = ui::DisplayConnectionType::Internal;
+        constexpr bool kIsPrimary = true;
+
         test->mDisplay = FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
-                                                   ui::DisplayConnectionType::Internal, HWC_DISPLAY,
-                                                   true /* isPrimary */)
+                                                   kDisplayConnectionType, HWC_DISPLAY, kIsPrimary)
                                  .setDisplaySurface(test->mDisplaySurface)
                                  .setNativeWindow(test->mNativeWindow)
                                  .setSecure(Derived::IS_SECURE)
                                  .setPowerMode(Derived::INIT_POWER_MODE)
                                  .inject();
-        Mock::VerifyAndClear(test->mNativeWindow);
-        test->mDisplay->setLayerStack(LAYER_STACK);
+        Mock::VerifyAndClear(test->mNativeWindow.get());
+
+        constexpr bool kIsInternal = kDisplayConnectionType == ui::DisplayConnectionType::Internal;
+        test->mDisplay->setLayerFilter({LAYER_STACK, kIsInternal});
     }
 
     template <typename Case>
@@ -351,15 +354,13 @@ struct BaseDisplayVariant {
                 .WillRepeatedly([&](const renderengine::DisplaySettings& displaySettings,
                                     const std::vector<renderengine::LayerSettings>&,
                                     const std::shared_ptr<renderengine::ExternalTexture>&,
-                                    const bool, base::unique_fd&&)
-                                        -> std::future<renderengine::RenderEngineResult> {
+                                    const bool, base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.clip);
-                    return futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()});
+                    return futureOf<FenceResult>(Fence::NO_FENCE);
                 });
     }
 
@@ -404,16 +405,14 @@ struct BaseDisplayVariant {
                 .WillRepeatedly([&](const renderengine::DisplaySettings& displaySettings,
                                     const std::vector<renderengine::LayerSettings>&,
                                     const std::shared_ptr<renderengine::ExternalTexture>&,
-                                    const bool, base::unique_fd&&)
-                                        -> std::future<renderengine::RenderEngineResult> {
+                                    const bool, base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.clip);
                     EXPECT_EQ(ui::Dataspace::UNKNOWN, displaySettings.outputDataspace);
-                    return futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()});
+                    return futureOf<FenceResult>(Fence::NO_FENCE);
                 });
     }
 
@@ -492,65 +491,31 @@ struct BaseLayerProperties {
     static constexpr IComposerClient::BlendMode BLENDMODE =
             IComposerClient::BlendMode::PREMULTIPLIED;
 
-    static void enqueueBuffer(CompositionTest*, sp<BufferQueueLayer> layer) {
-        auto producer = layer->getProducer();
-
-        IGraphicBufferProducer::QueueBufferOutput qbo;
-        status_t result = producer->connect(nullptr, NATIVE_WINDOW_API_EGL, false, &qbo);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to connect() (%d)", result);
-            return;
-        }
-
-        int slot;
-        sp<Fence> fence;
-        result = producer->dequeueBuffer(&slot, &fence, LayerProperties::WIDTH,
-                                         LayerProperties::HEIGHT, LayerProperties::FORMAT,
-                                         LayerProperties::USAGE, nullptr, nullptr);
-        if (result != IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
-            ALOGE("Failed to dequeueBuffer() (%d)", result);
-            return;
-        }
-
-        sp<GraphicBuffer> buffer;
-        result = producer->requestBuffer(slot, &buffer);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to requestBuffer() (%d)", result);
-            return;
-        }
-
-        IGraphicBufferProducer::QueueBufferInput qbi(systemTime(), false /* isAutoTimestamp */,
-                                                     LayerProperties::DATASPACE,
-                                                     Rect(LayerProperties::WIDTH,
-                                                          LayerProperties::HEIGHT),
-                                                     LayerProperties::SCALING_MODE,
-                                                     LayerProperties::TRANSFORM, Fence::NO_FENCE);
-        result = producer->queueBuffer(slot, qbi, &qbo);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to queueBuffer (%d)", result);
-            return;
-        }
-    }
-
-    static void setupLatchedBuffer(CompositionTest* test, sp<BufferQueueLayer> layer) {
-        // TODO: Eliminate the complexity of actually creating a buffer
-        layer->setSizeForTest(LayerProperties::WIDTH, LayerProperties::HEIGHT);
-        status_t err =
-                layer->setDefaultBufferProperties(LayerProperties::WIDTH, LayerProperties::HEIGHT,
-                                                  LayerProperties::FORMAT);
-        ASSERT_EQ(NO_ERROR, err);
+    static void setupLatchedBuffer(CompositionTest* test, sp<Layer> layer) {
         Mock::VerifyAndClear(test->mRenderEngine);
 
-        EXPECT_CALL(*test->mFlinger.scheduler(), scheduleFrame()).Times(1);
-        enqueueBuffer(test, layer);
-        Mock::VerifyAndClearExpectations(test->mFlinger.scheduler());
+        const auto buffer = std::make_shared<
+                renderengine::mock::FakeExternalTexture>(LayerProperties::WIDTH,
+                                                         LayerProperties::HEIGHT,
+                                                         DEFAULT_TEXTURE_ID,
+                                                         LayerProperties::FORMAT,
+                                                         LayerProperties::USAGE |
+                                                                 GraphicBuffer::USAGE_HW_TEXTURE);
+
+        auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
+        layerDrawingState.crop = Rect(0, 0, LayerProperties::HEIGHT, LayerProperties::WIDTH);
+        layerDrawingState.buffer = buffer;
+        layerDrawingState.acquireFence = Fence::NO_FENCE;
+        layerDrawingState.dataspace = ui::Dataspace::UNKNOWN;
+        layer->setSurfaceDamageRegion(
+                Region(Rect(LayerProperties::HEIGHT, LayerProperties::WIDTH)));
 
         bool ignoredRecomputeVisibleRegions;
-        layer->latchBuffer(ignoredRecomputeVisibleRegions, 0, 0);
+        layer->latchBuffer(ignoredRecomputeVisibleRegions, 0);
         Mock::VerifyAndClear(test->mRenderEngine);
     }
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         setupLatchedBuffer(test, layer);
     }
 
@@ -640,7 +605,7 @@ struct BaseLayerProperties {
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -648,9 +613,7 @@ struct BaseLayerProperties {
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so gtet the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE() << "layerSettings was not expected to be empty in "
                                          "setupREBufferCompositionCommonCallExpectations "
@@ -693,7 +656,7 @@ struct BaseLayerProperties {
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -701,9 +664,7 @@ struct BaseLayerProperties {
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so get the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE()
                                 << "layerSettings was not expected to be empty in "
@@ -738,7 +699,7 @@ struct SidebandLayerProperties : public BaseLayerProperties<SidebandLayerPropert
     using Base = BaseLayerProperties<SidebandLayerProperties>;
     static constexpr IComposerClient::BlendMode BLENDMODE = IComposerClient::BlendMode::NONE;
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         sp<NativeHandle> stream =
                 NativeHandle::create(reinterpret_cast<native_handle_t*>(DEFAULT_SIDEBAND_STREAM),
                                      false);
@@ -774,7 +735,7 @@ struct CommonSecureLayerProperties : public BaseLayerProperties<LayerProperties>
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -782,9 +743,7 @@ struct CommonSecureLayerProperties : public BaseLayerProperties<LayerProperties>
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so get the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE() << "layerSettings was not expected to be empty in "
                                          "setupInsecureREBufferCompositionCommonCallExpectations "
@@ -821,14 +780,14 @@ struct SecureLayerProperties : public CommonSecureLayerProperties<SecureLayerPro
 struct CursorLayerProperties : public BaseLayerProperties<CursorLayerProperties> {
     using Base = BaseLayerProperties<CursorLayerProperties>;
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         Base::setupLayerState(test, layer);
         test->mFlinger.setLayerPotentialCursor(layer, true);
     }
 };
 
 struct NoLayerVariant {
-    using FlingerLayerType = sp<BufferQueueLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest*) { return FlingerLayerType(); }
     static void injectLayer(CompositionTest*, FlingerLayerType) {}
@@ -862,8 +821,6 @@ struct BaseLayerVariant {
     static void initLayerDrawingStateAndComputeBounds(CompositionTest* test, sp<L> layer) {
         auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
         layerDrawingState.layerStack = LAYER_STACK;
-        layerDrawingState.width = 100;
-        layerDrawingState.height = 100;
         layerDrawingState.color = half4(LayerProperties::COLOR[0], LayerProperties::COLOR[1],
                                         LayerProperties::COLOR[2], LayerProperties::COLOR[3]);
         layer->computeBounds(FloatRect(0, 0, 100, 100), ui::Transform(), 0.f /* shadowRadius */);
@@ -899,13 +856,13 @@ struct BaseLayerVariant {
 template <typename LayerProperties>
 struct EffectLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<EffectLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
-        FlingerLayerType layer = Base::template createLayerWithFactory<EffectLayer>(test, [test]() {
-            return new EffectLayer(
-                    LayerCreationArgs(test->mFlinger.flinger(), sp<Client>(), "test-layer",
-                                      LayerProperties::LAYER_FLAGS, LayerMetadata()));
+        FlingerLayerType layer = Base::template createLayerWithFactory<Layer>(test, [test]() {
+            return sp<Layer>::make(LayerCreationArgs(test->mFlinger.flinger(), sp<Client>(),
+                                                     "test-layer", LayerProperties::LAYER_FLAGS,
+                                                     LayerMetadata()));
         });
 
         auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
@@ -935,17 +892,17 @@ struct EffectLayerVariant : public BaseLayerVariant<LayerProperties> {
 template <typename LayerProperties>
 struct BufferLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<BufferQueueLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
         test->mFlinger.mutableTexturePool().push_back(DEFAULT_TEXTURE_ID);
 
         FlingerLayerType layer =
-                Base::template createLayerWithFactory<BufferQueueLayer>(test, [test]() {
+                Base::template createLayerWithFactory<Layer>(test, [test]() {
                     LayerCreationArgs args(test->mFlinger.flinger(), sp<Client>(), "test-layer",
                                            LayerProperties::LAYER_FLAGS, LayerMetadata());
                     args.textureName = test->mFlinger.mutableTexturePool().back();
-                    return new BufferQueueLayer(args);
+                    return sp<Layer>::make(args);
                 });
 
         LayerProperties::setupLayerState(test, layer);
@@ -987,12 +944,12 @@ struct BufferLayerVariant : public BaseLayerVariant<LayerProperties> {
 template <typename LayerProperties>
 struct ContainerLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<ContainerLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
         LayerCreationArgs args(test->mFlinger.flinger(), sp<Client>(), "test-container-layer",
                                LayerProperties::LAYER_FLAGS, LayerMetadata());
-        FlingerLayerType layer = new ContainerLayer(args);
+        FlingerLayerType layer = sp<Layer>::make(args);
         Base::template initLayerDrawingStateAndComputeBounds(test, layer);
         return layer;
     }
diff --git a/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp b/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
index 93af225b3e..60ad7a3a03 100644
--- a/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
@@ -18,6 +18,7 @@
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
 #include "DisplayTransactionTestHelpers.h"
+#include "mock/MockFrameRateMode.h"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
@@ -29,6 +30,7 @@ using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjec
 
 class InitiateModeChangeTest : public DisplayTransactionTest {
 public:
+    using Action = DisplayDevice::DesiredActiveModeAction;
     using Event = scheduler::DisplayModeEvent;
 
     void SetUp() override {
@@ -42,6 +44,7 @@ public:
         PrimaryDisplayVariant::setupHwcGetActiveConfigCallExpectations(this);
 
         mFlinger.onComposerHalHotplug(PrimaryDisplayVariant::HWC_DISPLAY_ID, Connection::CONNECTED);
+        mFlinger.configureAndCommit();
 
         mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
                            .setDisplayModes(makeModes(kMode60, kMode90, kMode120), kModeId60)
@@ -55,31 +58,42 @@ protected:
     static constexpr DisplayModeId kModeId90{1};
     static constexpr DisplayModeId kModeId120{2};
 
-    static inline const DisplayModePtr kMode60 = createDisplayMode(kModeId60, 60_Hz);
-    static inline const DisplayModePtr kMode90 = createDisplayMode(kModeId90, 90_Hz);
-    static inline const DisplayModePtr kMode120 = createDisplayMode(kModeId120, 120_Hz);
+    static inline const ftl::NonNull<DisplayModePtr> kMode60 =
+            ftl::as_non_null(createDisplayMode(kModeId60, 60_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode90 =
+            ftl::as_non_null(createDisplayMode(kModeId90, 90_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode120 =
+            ftl::as_non_null(createDisplayMode(kModeId120, 120_Hz));
 };
 
 TEST_F(InitiateModeChangeTest, setDesiredActiveMode_setCurrentMode) {
-    EXPECT_FALSE(mDisplay->setDesiredActiveMode({kMode60, Event::None}));
+    EXPECT_EQ(Action::None,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{60_Hz, kMode60}, Event::None}));
     EXPECT_EQ(std::nullopt, mDisplay->getDesiredActiveMode());
 }
 
 TEST_F(InitiateModeChangeTest, setDesiredActiveMode_setNewMode) {
-    EXPECT_TRUE(mDisplay->setDesiredActiveMode({kMode90, Event::None}));
+    EXPECT_EQ(Action::InitiateDisplayModeSwitch,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{90_Hz, kMode90}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
-    EXPECT_EQ(kMode90, mDisplay->getDesiredActiveMode()->mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, mDisplay->getDesiredActiveMode()->modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getDesiredActiveMode()->event);
 
-    // Setting another mode should be cached but return false
-    EXPECT_FALSE(mDisplay->setDesiredActiveMode({kMode120, Event::None}));
+    // Setting another mode should be cached but return None
+    EXPECT_EQ(Action::None,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{120_Hz, kMode120}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
-    EXPECT_EQ(kMode120, mDisplay->getDesiredActiveMode()->mode);
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, mDisplay->getDesiredActiveMode()->modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getDesiredActiveMode()->event);
 }
 
 TEST_F(InitiateModeChangeTest, clearDesiredActiveModeState) {
-    EXPECT_TRUE(mDisplay->setDesiredActiveMode({kMode90, Event::None}));
+    EXPECT_EQ(Action::InitiateDisplayModeSwitch,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{90_Hz, kMode90}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
 
     mDisplay->clearDesiredActiveModeState();
@@ -87,9 +101,11 @@ TEST_F(InitiateModeChangeTest, clearDesiredActiveModeState) {
 }
 
 TEST_F(InitiateModeChangeTest, initiateModeChange) NO_THREAD_SAFETY_ANALYSIS {
-    EXPECT_TRUE(mDisplay->setDesiredActiveMode({kMode90, Event::None}));
+    EXPECT_EQ(Action::InitiateDisplayModeSwitch,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{90_Hz, kMode90}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
-    EXPECT_EQ(kMode90, mDisplay->getDesiredActiveMode()->mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, mDisplay->getDesiredActiveMode()->modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getDesiredActiveMode()->event);
 
     hal::VsyncPeriodChangeConstraints constraints{
@@ -100,18 +116,27 @@ TEST_F(InitiateModeChangeTest, initiateModeChange) NO_THREAD_SAFETY_ANALYSIS {
     EXPECT_EQ(OK,
               mDisplay->initiateModeChange(*mDisplay->getDesiredActiveMode(), constraints,
                                            &timeline));
-    EXPECT_EQ(kMode90, mDisplay->getUpcomingActiveMode().mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, *mDisplay->getUpcomingActiveMode().modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getUpcomingActiveMode().event);
 
     mDisplay->clearDesiredActiveModeState();
     ASSERT_EQ(std::nullopt, mDisplay->getDesiredActiveMode());
 }
 
+TEST_F(InitiateModeChangeTest, initiateRenderRateChange) {
+    EXPECT_EQ(Action::InitiateRenderRateSwitch,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{30_Hz, kMode60}, Event::None}));
+    EXPECT_EQ(std::nullopt, mDisplay->getDesiredActiveMode());
+}
+
 TEST_F(InitiateModeChangeTest, getUpcomingActiveMode_desiredActiveModeChanged)
 NO_THREAD_SAFETY_ANALYSIS {
-    EXPECT_TRUE(mDisplay->setDesiredActiveMode({kMode90, Event::None}));
+    EXPECT_EQ(Action::InitiateDisplayModeSwitch,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{90_Hz, kMode90}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
-    EXPECT_EQ(kMode90, mDisplay->getDesiredActiveMode()->mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, mDisplay->getDesiredActiveMode()->modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getDesiredActiveMode()->event);
 
     hal::VsyncPeriodChangeConstraints constraints{
@@ -122,21 +147,23 @@ NO_THREAD_SAFETY_ANALYSIS {
     EXPECT_EQ(OK,
               mDisplay->initiateModeChange(*mDisplay->getDesiredActiveMode(), constraints,
                                            &timeline));
-    EXPECT_EQ(kMode90, mDisplay->getUpcomingActiveMode().mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, *mDisplay->getUpcomingActiveMode().modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getUpcomingActiveMode().event);
 
-    EXPECT_FALSE(mDisplay->setDesiredActiveMode({kMode120, Event::None}));
+    EXPECT_EQ(Action::None,
+              mDisplay->setDesiredActiveMode(
+                      {scheduler::FrameRateMode{120_Hz, kMode120}, Event::None}));
     ASSERT_NE(std::nullopt, mDisplay->getDesiredActiveMode());
-    EXPECT_EQ(kMode120, mDisplay->getDesiredActiveMode()->mode);
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, mDisplay->getDesiredActiveMode()->modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getDesiredActiveMode()->event);
 
-    EXPECT_EQ(kMode90, mDisplay->getUpcomingActiveMode().mode);
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, *mDisplay->getUpcomingActiveMode().modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getUpcomingActiveMode().event);
 
     EXPECT_EQ(OK,
               mDisplay->initiateModeChange(*mDisplay->getDesiredActiveMode(), constraints,
                                            &timeline));
-    EXPECT_EQ(kMode120, mDisplay->getUpcomingActiveMode().mode);
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, *mDisplay->getUpcomingActiveMode().modeOpt);
     EXPECT_EQ(Event::None, mDisplay->getUpcomingActiveMode().event);
 
     mDisplay->clearDesiredActiveModeState();
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index f04221cc21..e0b508aa73 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -36,8 +36,7 @@ DisplayTransactionTest::DisplayTransactionTest() {
             ::testing::UnitTest::GetInstance()->current_test_info();
     ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
 
-    // Default to no wide color display support configured
-    mFlinger.mutableHasWideColorDisplay() = false;
+    mFlinger.mutableSupportsWideColor() = false;
     mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
 
     mFlinger.setCreateBufferQueueFunction([](auto, auto, auto) {
@@ -51,7 +50,6 @@ DisplayTransactionTest::DisplayTransactionTest() {
 
     injectMockScheduler();
     mFlinger.setupRenderEngine(std::unique_ptr<renderengine::RenderEngine>(mRenderEngine));
-    mFlinger.mutableInterceptor() = mSurfaceInterceptor;
 
     injectMockComposer(0);
 }
@@ -66,13 +64,15 @@ DisplayTransactionTest::~DisplayTransactionTest() {
 void DisplayTransactionTest::injectMockScheduler() {
     EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*mEventThread, createEventConnection(_, _))
-            .WillOnce(Return(
-                    new EventThreadConnection(mEventThread, /*callingUid=*/0, ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(mEventThread,
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*mSFEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*mSFEventThread, createEventConnection(_, _))
-            .WillOnce(Return(
-                    new EventThreadConnection(mSFEventThread, /*callingUid=*/0, ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(mSFEventThread,
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     mFlinger.setupScheduler(std::unique_ptr<scheduler::VsyncController>(mVsyncController),
                             std::unique_ptr<scheduler::VSyncTracker>(mVSyncTracker),
@@ -100,8 +100,8 @@ void DisplayTransactionTest::injectFakeBufferQueueFactory() {
     // This setup is only expected once per test.
     ASSERT_TRUE(mConsumer == nullptr && mProducer == nullptr);
 
-    mConsumer = new mock::GraphicBufferConsumer();
-    mProducer = new mock::GraphicBufferProducer();
+    mConsumer = sp<mock::GraphicBufferConsumer>::make();
+    mProducer = sp<mock::GraphicBufferProducer>::make();
 
     mFlinger.setCreateBufferQueueFunction([this](auto outProducer, auto outConsumer, bool) {
         *outProducer = mProducer;
@@ -120,53 +120,13 @@ void DisplayTransactionTest::injectFakeNativeWindowSurfaceFactory() {
     });
 }
 
-sp<DisplayDevice> DisplayTransactionTest::injectDefaultInternalDisplay(
-        std::function<void(FakeDisplayDeviceInjector&)> injectExtra) {
-    constexpr PhysicalDisplayId DEFAULT_DISPLAY_ID = PhysicalDisplayId::fromPort(255u);
-    constexpr int DEFAULT_DISPLAY_WIDTH = 1080;
-    constexpr int DEFAULT_DISPLAY_HEIGHT = 1920;
-    constexpr HWDisplayId DEFAULT_DISPLAY_HWC_DISPLAY_ID = 0;
-
-    // The DisplayDevice is required to have a framebuffer (behind the
-    // ANativeWindow interface) which uses the actual hardware display
-    // size.
-    EXPECT_CALL(*mNativeWindow, query(NATIVE_WINDOW_WIDTH, _))
-            .WillRepeatedly(DoAll(SetArgPointee<1>(DEFAULT_DISPLAY_WIDTH), Return(0)));
-    EXPECT_CALL(*mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
-            .WillRepeatedly(DoAll(SetArgPointee<1>(DEFAULT_DISPLAY_HEIGHT), Return(0)));
-    EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_FORMAT));
-    EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_API_CONNECT));
-    EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_SET_USAGE64));
-    EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_API_DISCONNECT)).Times(AnyNumber());
-
-    auto compositionDisplay =
-            compositionengine::impl::createDisplay(mFlinger.getCompositionEngine(),
-                                                   compositionengine::DisplayCreationArgsBuilder()
-                                                           .setId(DEFAULT_DISPLAY_ID)
-                                                           .setPixels({DEFAULT_DISPLAY_WIDTH,
-                                                                       DEFAULT_DISPLAY_HEIGHT})
-                                                           .setPowerAdvisor(&mPowerAdvisor)
-                                                           .build());
-
-    constexpr bool kIsPrimary = true;
-    auto injector = FakeDisplayDeviceInjector(mFlinger, compositionDisplay,
-                                              ui::DisplayConnectionType::Internal,
-                                              DEFAULT_DISPLAY_HWC_DISPLAY_ID, kIsPrimary);
-
-    injector.setNativeWindow(mNativeWindow);
-    if (injectExtra) {
-        injectExtra(injector);
-    }
-
-    auto displayDevice = injector.inject();
-
-    Mock::VerifyAndClear(mNativeWindow.get());
+bool DisplayTransactionTest::hasPhysicalHwcDisplay(HWDisplayId hwcDisplayId) const {
+    const auto& map = mFlinger.hwcPhysicalDisplayIdMap();
 
-    return displayDevice;
-}
+    const auto it = map.find(hwcDisplayId);
+    if (it == map.end()) return false;
 
-bool DisplayTransactionTest::hasPhysicalHwcDisplay(HWDisplayId hwcDisplayId) const {
-    return mFlinger.hwcPhysicalDisplayIdMap().count(hwcDisplayId) == 1;
+    return mFlinger.hwcDisplayData().count(it->second) == 1;
 }
 
 bool DisplayTransactionTest::hasTransactionFlagSet(int32_t flag) const {
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
index f5235ce953..d58e644506 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
@@ -42,6 +42,7 @@
 #include <renderengine/mock/RenderEngine.h>
 #include <ui/DebugUtils.h>
 
+#include "FakeDisplayInjector.h"
 #include "TestableScheduler.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -49,7 +50,6 @@
 #include "mock/DisplayHardware/MockPowerAdvisor.h"
 #include "mock/MockEventThread.h"
 #include "mock/MockNativeWindowSurface.h"
-#include "mock/MockSurfaceInterceptor.h"
 #include "mock/MockVsyncController.h"
 #include "mock/system/window/MockNativeWindow.h"
 
@@ -89,8 +89,11 @@ public:
     void injectMockComposer(int virtualDisplayCount);
     void injectFakeBufferQueueFactory();
     void injectFakeNativeWindowSurfaceFactory();
+
     sp<DisplayDevice> injectDefaultInternalDisplay(
-            std::function<void(TestableSurfaceFlinger::FakeDisplayDeviceInjector&)>);
+            std::function<void(TestableSurfaceFlinger::FakeDisplayDeviceInjector&)> injectExtra) {
+        return mFakeDisplayInjector.injectInternalDisplay(injectExtra);
+    }
 
     // --------------------------------------------------------------------
     // Postcondition helpers
@@ -111,16 +114,17 @@ public:
     // Test instances
 
     TestableSurfaceFlinger mFlinger;
-    sp<mock::NativeWindow> mNativeWindow = new mock::NativeWindow();
-    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
+    sp<GraphicBuffer> mBuffer = sp<GraphicBuffer>::make();
     Hwc2::mock::PowerAdvisor mPowerAdvisor;
 
+    FakeDisplayInjector mFakeDisplayInjector{mFlinger, mPowerAdvisor, mNativeWindow};
+
     // These mocks are created by the test, but are destroyed by SurfaceFlinger
     // by virtue of being stored into a std::unique_ptr. However we still need
     // to keep a reference to them for use in setting up call expectations.
     renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
     Hwc2::mock::Composer* mComposer = nullptr;
-    sp<mock::SurfaceInterceptor> mSurfaceInterceptor = new mock::SurfaceInterceptor;
 
     mock::VsyncController* mVsyncController = new mock::VsyncController;
     mock::VSyncTracker* mVSyncTracker = new mock::VSyncTracker;
@@ -355,6 +359,7 @@ struct HwcDisplayVariant {
     }
 
     // Called by tests to inject a HWC display setup
+    template <bool kInitPowerMode = true>
     static void injectHwcDisplayWithNoDefaultCapabilities(DisplayTransactionTest* test) {
         const auto displayId = DisplayVariant::DISPLAY_ID::get();
         ASSERT_FALSE(GpuVirtualDisplayId::tryCast(displayId));
@@ -363,18 +368,21 @@ struct HwcDisplayVariant {
                 .setHwcDisplayId(HWC_DISPLAY_ID)
                 .setResolution(DisplayVariant::RESOLUTION)
                 .setActiveConfig(HWC_ACTIVE_CONFIG_ID)
-                .setPowerMode(INIT_POWER_MODE)
+                .setPowerMode(kInitPowerMode ? std::make_optional(INIT_POWER_MODE) : std::nullopt)
                 .inject(&test->mFlinger, test->mComposer);
     }
 
     // Called by tests to inject a HWC display setup
+    template <bool kInitPowerMode = true>
     static void injectHwcDisplay(DisplayTransactionTest* test) {
         EXPECT_CALL(*test->mComposer, getDisplayCapabilities(HWC_DISPLAY_ID, _))
                 .WillOnce(DoAll(SetArgPointee<1>(std::vector<DisplayCapability>({})),
                                 Return(Error::NONE)));
-        EXPECT_CALL(*test->mComposer, setPowerMode(HWC_DISPLAY_ID, INIT_POWER_MODE))
-                .WillOnce(Return(Error::NONE));
-        injectHwcDisplayWithNoDefaultCapabilities(test);
+        if constexpr (kInitPowerMode) {
+            EXPECT_CALL(*test->mComposer, setPowerMode(HWC_DISPLAY_ID, INIT_POWER_MODE))
+                    .WillOnce(Return(Error::NONE));
+        }
+        injectHwcDisplayWithNoDefaultCapabilities<kInitPowerMode>(test);
     }
 
     static std::shared_ptr<compositionengine::Display> injectCompositionDisplay(
@@ -434,14 +442,18 @@ struct HwcDisplayVariant {
         }
     }
 
+    template <bool kFailedHotplug = false>
     static void setupHwcHotplugCallExpectations(DisplayTransactionTest* test) {
-        constexpr auto CONNECTION_TYPE =
-                PhysicalDisplay::CONNECTION_TYPE == ui::DisplayConnectionType::Internal
-                ? IComposerClient::DisplayConnectionType::INTERNAL
-                : IComposerClient::DisplayConnectionType::EXTERNAL;
-
-        EXPECT_CALL(*test->mComposer, getDisplayConnectionType(HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(CONNECTION_TYPE), Return(hal::V2_4::Error::NONE)));
+        if constexpr (!kFailedHotplug) {
+            constexpr auto CONNECTION_TYPE =
+                    PhysicalDisplay::CONNECTION_TYPE == ui::DisplayConnectionType::Internal
+                    ? IComposerClient::DisplayConnectionType::INTERNAL
+                    : IComposerClient::DisplayConnectionType::EXTERNAL;
+
+            EXPECT_CALL(*test->mComposer, getDisplayConnectionType(HWC_DISPLAY_ID, _))
+                    .WillOnce(DoAll(SetArgPointee<1>(CONNECTION_TYPE),
+                                    Return(hal::V2_4::Error::NONE)));
+        }
 
         EXPECT_CALL(*test->mComposer, setClientTargetSlotCount(_))
                 .WillOnce(Return(hal::Error::NONE));
@@ -675,12 +687,10 @@ struct WideColorNotSupportedVariant {
     static constexpr bool WIDE_COLOR_SUPPORTED = false;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = true;
+        test->mFlinger.mutableSupportsWideColor() = true;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
-        EXPECT_CALL(*test->mComposer, getColorModes(Display::HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(std::vector<ColorMode>()), Return(Error::NONE)));
         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
     }
 };
@@ -692,12 +702,11 @@ struct WideColorSupportNotConfiguredVariant {
     static constexpr bool WIDE_COLOR_SUPPORTED = false;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = false;
+        test->mFlinger.mutableSupportsWideColor() = false;
         test->mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
-        EXPECT_CALL(*test->mComposer, getColorModes(_, _)).Times(0);
         EXPECT_CALL(*test->mComposer, getRenderIntents(_, _, _)).Times(0);
         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
     }
diff --git a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
index c033af8645..dd87f9dadf 100644
--- a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
+++ b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
@@ -72,7 +72,7 @@ protected:
     public:
         MockEventThreadConnection(impl::EventThread* eventThread, uid_t callingUid,
                                   ResyncCallback&& resyncCallback,
-                                  ISurfaceComposer::EventRegistrationFlags eventRegistration)
+                                  EventRegistrationFlags eventRegistration)
               : EventThreadConnection(eventThread, callingUid, std::move(resyncCallback),
                                       eventRegistration) {}
         MOCK_METHOD1(postEvent, status_t(const DisplayEventReceiver::Event& event));
@@ -85,16 +85,14 @@ protected:
     ~EventThreadTest() override;
 
     void createThread(std::unique_ptr<VSyncSource>);
-    sp<MockEventThreadConnection> createConnection(
-            ConnectionEventRecorder& recorder,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {},
-            uid_t ownerUid = mConnectionUid);
+    sp<MockEventThreadConnection> createConnection(ConnectionEventRecorder& recorder,
+                                                   EventRegistrationFlags eventRegistration = {},
+                                                   uid_t ownerUid = mConnectionUid);
 
     void expectVSyncSetEnabledCallReceived(bool expectedState);
     void expectVSyncSetDurationCallReceived(std::chrono::nanoseconds expectedDuration,
                                             std::chrono::nanoseconds expectedReadyDuration);
     VSyncSource::Callback* expectVSyncSetCallbackCallReceived();
-    void expectInterceptCallReceived(nsecs_t expectedTimestamp);
     void expectVsyncEventReceivedByConnection(const char* name,
                                               ConnectionEventRecorder& connectionEventRecorder,
                                               nsecs_t expectedTimestamp, unsigned expectedCount);
@@ -115,7 +113,6 @@ protected:
     AsyncCallRecorder<void (*)(std::chrono::nanoseconds, std::chrono::nanoseconds)>
             mVSyncSetDurationCallRecorder;
     AsyncCallRecorder<void (*)()> mResyncCallRecorder;
-    AsyncCallRecorder<void (*)(nsecs_t)> mInterceptVSyncCallRecorder;
     AsyncCallRecorder<void (*)(nsecs_t, uid_t)> mThrottleVsyncCallRecorder;
     ConnectionEventRecorder mConnectionEventCallRecorder{0};
     ConnectionEventRecorder mThrottledConnectionEventCallRecorder{0};
@@ -149,11 +146,12 @@ EventThreadTest::EventThreadTest() {
             .WillRepeatedly(Invoke(mVSyncSetDurationCallRecorder.getInvocable()));
 
     createThread(std::move(vsyncSource));
-    mConnection = createConnection(mConnectionEventCallRecorder,
-                                   ISurfaceComposer::EventRegistration::modeChanged |
-                                           ISurfaceComposer::EventRegistration::frameRateOverride);
+    mConnection =
+            createConnection(mConnectionEventCallRecorder,
+                             gui::ISurfaceComposer::EventRegistration::modeChanged |
+                                     gui::ISurfaceComposer::EventRegistration::frameRateOverride);
     mThrottledConnection = createConnection(mThrottledConnectionEventCallRecorder,
-                                            ISurfaceComposer::EventRegistration::modeChanged,
+                                            gui::ISurfaceComposer::EventRegistration::modeChanged,
                                             mThrottledConnectionUid);
 
     // A display must be connected for VSYNC events to be delivered.
@@ -181,7 +179,6 @@ void EventThreadTest::createThread(std::unique_ptr<VSyncSource> source) {
 
     mTokenManager = std::make_unique<frametimeline::impl::TokenManager>();
     mThread = std::make_unique<impl::EventThread>(std::move(source), mTokenManager.get(),
-                                                  mInterceptVSyncCallRecorder.getInvocable(),
                                                   throttleVsync, getVsyncPeriod);
 
     // EventThread should register itself as VSyncSource callback.
@@ -190,11 +187,12 @@ void EventThreadTest::createThread(std::unique_ptr<VSyncSource> source) {
 }
 
 sp<EventThreadTest::MockEventThreadConnection> EventThreadTest::createConnection(
-        ConnectionEventRecorder& recorder,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration, uid_t ownerUid) {
+        ConnectionEventRecorder& recorder, EventRegistrationFlags eventRegistration,
+        uid_t ownerUid) {
     sp<MockEventThreadConnection> connection =
-            new MockEventThreadConnection(mThread.get(), ownerUid,
-                                          mResyncCallRecorder.getInvocable(), eventRegistration);
+            sp<MockEventThreadConnection>::make(mThread.get(), ownerUid,
+                                                mResyncCallRecorder.getInvocable(),
+                                                eventRegistration);
     EXPECT_CALL(*connection, postEvent(_)).WillRepeatedly(Invoke(recorder.getInvocable()));
     return connection;
 }
@@ -218,12 +216,6 @@ VSyncSource::Callback* EventThreadTest::expectVSyncSetCallbackCallReceived() {
     return callbackSet.has_value() ? std::get<0>(callbackSet.value()) : nullptr;
 }
 
-void EventThreadTest::expectInterceptCallReceived(nsecs_t expectedTimestamp) {
-    auto args = mInterceptVSyncCallRecorder.waitForCall();
-    ASSERT_TRUE(args.has_value());
-    EXPECT_EQ(expectedTimestamp, std::get<0>(args.value()));
-}
-
 void EventThreadTest::expectThrottleVsyncReceived(nsecs_t expectedTimestamp, uid_t uid) {
     auto args = mThrottleVsyncCallRecorder.waitForCall();
     ASSERT_TRUE(args.has_value());
@@ -347,7 +339,6 @@ TEST_F(EventThreadTest, canCreateAndDestroyThreadWithNoEventsSent) {
     EXPECT_FALSE(mVSyncSetCallbackCallRecorder.waitForCall(0us).has_value());
     EXPECT_FALSE(mVSyncSetDurationCallRecorder.waitForCall(0us).has_value());
     EXPECT_FALSE(mResyncCallRecorder.waitForCall(0us).has_value());
-    EXPECT_FALSE(mInterceptVSyncCallRecorder.waitForCall(0us).has_value());
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForCall(0us).has_value());
 }
 
@@ -373,17 +364,15 @@ TEST_F(EventThreadTest, requestNextVsyncPostsASingleVSyncEventToTheConnection) {
     expectVSyncSetEnabledCallReceived(true);
 
     // Use the received callback to signal a first vsync event.
-    // The interceptor should receive the event, as well as the connection.
+    // The throttler should receive the event, as well as the connection.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectThrottleVsyncReceived(456, mConnectionUid);
     expectVsyncEventReceivedByConnection(123, 1u);
 
     // Use the received callback to signal a second vsync event.
-    // The interceptor should receive the event, but the connection should
+    // The throttler should receive the event, but the connection should
     // not as it was only interested in the first.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value());
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value());
 
@@ -399,10 +388,9 @@ TEST_F(EventThreadTest, requestNextVsyncEventFrameTimelinesCorrect) {
     expectVSyncSetEnabledCallReceived(true);
 
     // Use the received callback to signal a vsync event.
-    // The interceptor should receive the event, as well as the connection.
+    // The throttler should receive the event, as well as the connection.
     VSyncSource::VSyncData vsyncData = {456, 789};
     mCallback->onVSyncEvent(123, vsyncData);
-    expectInterceptCallReceived(123);
     expectVsyncEventFrameTimelinesCorrect(123, vsyncData);
 }
 
@@ -476,10 +464,9 @@ TEST_F(EventThreadTest, setVsyncRateZeroPostsNoVSyncEventsToThatConnection) {
     expectVSyncSetEnabledCallReceived(true);
 
     // Send a vsync event. EventThread should then make a call to the
-    // interceptor, and the second connection. The first connection should not
+    // the second connection. The first connection should not
     // get the event.
     mCallback->onVSyncEvent(123, {456, 0});
-    expectInterceptCallReceived(123);
     EXPECT_FALSE(firstConnectionEventRecorder.waitForUnexpectedCall().has_value());
     expectVsyncEventReceivedByConnection("secondConnection", secondConnectionEventRecorder, 123,
                                          1u);
@@ -492,21 +479,18 @@ TEST_F(EventThreadTest, setVsyncRateOnePostsAllEventsToThatConnection) {
     expectVSyncSetEnabledCallReceived(true);
 
     // Send a vsync event. EventThread should then make a call to the
-    // interceptor, and the connection.
+    // throttler, and the connection.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectThrottleVsyncReceived(456, mConnectionUid);
     expectVsyncEventReceivedByConnection(123, 1u);
 
     // A second event should go to the same places.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     expectThrottleVsyncReceived(123, mConnectionUid);
     expectVsyncEventReceivedByConnection(456, 2u);
 
     // A third event should go to the same places.
     mCallback->onVSyncEvent(789, {777, 111});
-    expectInterceptCallReceived(789);
     expectThrottleVsyncReceived(777, mConnectionUid);
     expectVsyncEventReceivedByConnection(789, 3u);
 }
@@ -517,27 +501,23 @@ TEST_F(EventThreadTest, setVsyncRateTwoPostsEveryOtherEventToThatConnection) {
     // EventThread should enable vsync callbacks.
     expectVSyncSetEnabledCallReceived(true);
 
-    // The first event will be seen by the interceptor, and not the connection.
+    // The first event will not be seen by the connection.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value());
     EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value());
 
-    // The second event will be seen by the interceptor and the connection.
+    // The second event will be seen by the connection.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     expectVsyncEventReceivedByConnection(456, 2u);
     EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value());
 
-    // The third event will be seen by the interceptor, and not the connection.
+    // The third event will not be seen by the connection.
     mCallback->onVSyncEvent(789, {777, 744});
-    expectInterceptCallReceived(789);
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value());
     EXPECT_FALSE(mThrottleVsyncCallRecorder.waitForUnexpectedCall().has_value());
 
-    // The fourth event will be seen by the interceptor and the connection.
+    // The fourth event will be seen by the connection.
     mCallback->onVSyncEvent(101112, {7847, 86});
-    expectInterceptCallReceived(101112);
     expectVsyncEventReceivedByConnection(101112, 4u);
 }
 
@@ -550,9 +530,8 @@ TEST_F(EventThreadTest, connectionsRemovedIfInstanceDestroyed) {
     // Destroy the only (strong) reference to the connection.
     mConnection = nullptr;
 
-    // The first event will be seen by the interceptor, and not the connection.
+    // The first event will not be seen by the connection.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value());
 
     // EventThread should disable vsync callbacks
@@ -567,16 +546,12 @@ TEST_F(EventThreadTest, connectionsRemovedIfEventDeliveryError) {
     // EventThread should enable vsync callbacks.
     expectVSyncSetEnabledCallReceived(true);
 
-    // The first event will be seen by the interceptor, and by the connection,
-    // which then returns an error.
+    // The first event will be seen by the connection, which then returns an error.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u);
 
-    // A subsequent event will be seen by the interceptor and not by the
-    // connection.
+    // A subsequent event will not be seen by the connection.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     EXPECT_FALSE(errorConnectionEventRecorder.waitForUnexpectedCall().has_value());
 
     // EventThread should disable vsync callbacks with the second event
@@ -598,10 +573,8 @@ TEST_F(EventThreadTest, tracksEventConnections) {
     // EventThread should enable vsync callbacks.
     expectVSyncSetEnabledCallReceived(true);
 
-    // The first event will be seen by the interceptor, and by the connection,
-    // which then returns an error.
+    // The first event will be seen by the connection, which then returns an error.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u);
     expectVsyncEventReceivedByConnection("successConnection", secondConnectionEventRecorder, 123,
                                          1u);
@@ -616,16 +589,13 @@ TEST_F(EventThreadTest, eventsDroppedIfNonfatalEventDeliveryError) {
     // EventThread should enable vsync callbacks.
     expectVSyncSetEnabledCallReceived(true);
 
-    // The first event will be seen by the interceptor, and by the connection,
-    // which then returns an non-fatal error.
+    // The first event will be seen by the connection, which then returns a non-fatal error.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 123, 1u);
 
-    // A subsequent event will be seen by the interceptor, and by the connection,
-    // which still then returns an non-fatal error.
+    // A subsequent event will be seen by the connection, which still then returns a non-fatal
+    // error.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     expectVsyncEventReceivedByConnection("errorConnection", errorConnectionEventRecorder, 456, 2u);
 
     // EventThread will not disable vsync callbacks as the errors are non-fatal.
@@ -663,9 +633,10 @@ TEST_F(EventThreadTest, postConfigChangedPrimary) {
                               .setId(DisplayModeId(7))
                               .setVsyncPeriod(16666666)
                               .build();
+    const Fps fps = mode->getFps() / 2;
 
-    mThread->onModeChanged(mode);
-    expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 7, 16666666);
+    mThread->onModeChanged({fps, ftl::as_non_null(mode)});
+    expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 7, fps.getPeriodNsecs());
 }
 
 TEST_F(EventThreadTest, postConfigChangedExternal) {
@@ -674,9 +645,10 @@ TEST_F(EventThreadTest, postConfigChangedExternal) {
                               .setId(DisplayModeId(5))
                               .setVsyncPeriod(16666666)
                               .build();
+    const Fps fps = mode->getFps() / 2;
 
-    mThread->onModeChanged(mode);
-    expectConfigChangedEventReceivedByConnection(EXTERNAL_DISPLAY_ID, 5, 16666666);
+    mThread->onModeChanged({fps, ftl::as_non_null(mode)});
+    expectConfigChangedEventReceivedByConnection(EXTERNAL_DISPLAY_ID, 5, fps.getPeriodNsecs());
 }
 
 TEST_F(EventThreadTest, postConfigChangedPrimary64bit) {
@@ -685,8 +657,9 @@ TEST_F(EventThreadTest, postConfigChangedPrimary64bit) {
                               .setId(DisplayModeId(7))
                               .setVsyncPeriod(16666666)
                               .build();
-    mThread->onModeChanged(mode);
-    expectConfigChangedEventReceivedByConnection(DISPLAY_ID_64BIT, 7, 16666666);
+    const Fps fps = mode->getFps() / 2;
+    mThread->onModeChanged({fps, ftl::as_non_null(mode)});
+    expectConfigChangedEventReceivedByConnection(DISPLAY_ID_64BIT, 7, fps.getPeriodNsecs());
 }
 
 TEST_F(EventThreadTest, suppressConfigChanged) {
@@ -699,9 +672,10 @@ TEST_F(EventThreadTest, suppressConfigChanged) {
                               .setId(DisplayModeId(9))
                               .setVsyncPeriod(16666666)
                               .build();
+    const Fps fps = mode->getFps() / 2;
 
-    mThread->onModeChanged(mode);
-    expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 9, 16666666);
+    mThread->onModeChanged({fps, ftl::as_non_null(mode)});
+    expectConfigChangedEventReceivedByConnection(INTERNAL_DISPLAY_ID, 9, fps.getPeriodNsecs());
 
     auto args = suppressConnectionEventRecorder.waitForCall();
     ASSERT_FALSE(args.has_value());
@@ -747,17 +721,15 @@ TEST_F(EventThreadTest, requestNextVsyncWithThrottleVsyncDoesntPostVSync) {
     expectVSyncSetEnabledCallReceived(true);
 
     // Use the received callback to signal a first vsync event.
-    // The interceptor should receive the event, but not the connection.
+    // The throttler should receive the event, but not the connection.
     mCallback->onVSyncEvent(123, {456, 789});
-    expectInterceptCallReceived(123);
     expectThrottleVsyncReceived(456, mThrottledConnectionUid);
     mThrottledConnectionEventCallRecorder.waitForUnexpectedCall();
 
     // Use the received callback to signal a second vsync event.
-    // The interceptor should receive the event, but the connection should
+    // The throttler should receive the event, but the connection should
     // not as it was only interested in the first.
     mCallback->onVSyncEvent(456, {123, 0});
-    expectInterceptCallReceived(456);
     expectThrottleVsyncReceived(123, mThrottledConnectionUid);
     EXPECT_FALSE(mConnectionEventCallRecorder.waitForUnexpectedCall().has_value());
 
diff --git a/services/surfaceflinger/tests/unittests/FakeDisplayInjector.h b/services/surfaceflinger/tests/unittests/FakeDisplayInjector.h
new file mode 100644
index 0000000000..6e4bf2b06e
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/FakeDisplayInjector.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <gmock/gmock.h>
+
+#include "TestableSurfaceFlinger.h"
+#include "mock/DisplayHardware/MockPowerAdvisor.h"
+#include "mock/system/window/MockNativeWindow.h"
+
+namespace android {
+
+using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjector;
+using android::hardware::graphics::composer::hal::HWDisplayId;
+using android::Hwc2::mock::PowerAdvisor;
+
+struct FakeDisplayInjectorArgs {
+    PhysicalDisplayId displayId = PhysicalDisplayId::fromPort(255u);
+    HWDisplayId hwcDisplayId = 0;
+    bool isPrimary = true;
+};
+
+class FakeDisplayInjector {
+public:
+    FakeDisplayInjector(TestableSurfaceFlinger& flinger, Hwc2::mock::PowerAdvisor& powerAdvisor,
+                        sp<mock::NativeWindow> nativeWindow)
+          : mFlinger(flinger), mPowerAdvisor(powerAdvisor), mNativeWindow(nativeWindow) {}
+
+    sp<DisplayDevice> injectInternalDisplay(
+            const std::function<void(FakeDisplayDeviceInjector&)>& injectExtra,
+            FakeDisplayInjectorArgs args = {}) {
+        using testing::_;
+        using testing::AnyNumber;
+        using testing::DoAll;
+        using testing::Mock;
+        using testing::Return;
+        using testing::SetArgPointee;
+
+        constexpr ui::Size kResolution = {1080, 1920};
+
+        // The DisplayDevice is required to have a framebuffer (behind the
+        // ANativeWindow interface) which uses the actual hardware display
+        // size.
+        EXPECT_CALL(*mNativeWindow, query(NATIVE_WINDOW_WIDTH, _))
+                .WillRepeatedly(DoAll(SetArgPointee<1>(kResolution.getWidth()), Return(0)));
+        EXPECT_CALL(*mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
+                .WillRepeatedly(DoAll(SetArgPointee<1>(kResolution.getHeight()), Return(0)));
+        EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_FORMAT));
+        EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_API_CONNECT));
+        EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_SET_USAGE64));
+        EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_API_DISCONNECT)).Times(AnyNumber());
+
+        auto compositionDisplay = compositionengine::impl::
+                createDisplay(mFlinger.getCompositionEngine(),
+                              compositionengine::DisplayCreationArgsBuilder()
+                                      .setId(args.displayId)
+                                      .setPixels(kResolution)
+                                      .setPowerAdvisor(&mPowerAdvisor)
+                                      .build());
+
+        auto injector = FakeDisplayDeviceInjector(mFlinger, compositionDisplay,
+                                                  ui::DisplayConnectionType::Internal,
+                                                  args.hwcDisplayId, args.isPrimary);
+
+        injector.setNativeWindow(mNativeWindow);
+        if (injectExtra) {
+            injectExtra(injector);
+        }
+
+        auto displayDevice = injector.inject();
+
+        Mock::VerifyAndClear(mNativeWindow.get());
+
+        return displayDevice;
+    }
+
+    TestableSurfaceFlinger& mFlinger;
+    Hwc2::mock::PowerAdvisor& mPowerAdvisor;
+    sp<mock::NativeWindow> mNativeWindow;
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
index bb1f4328b5..1cd9e49051 100644
--- a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
@@ -24,9 +24,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "FpsReporter.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
@@ -51,6 +48,7 @@ using android::Hwc2::IComposer;
 using android::Hwc2::IComposerClient;
 
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+using gui::LayerMetadata;
 
 struct TestableFpsListener : public gui::BnFpsListener {
     TestableFpsListener() {}
@@ -80,7 +78,7 @@ protected:
     static constexpr int32_t PRIORITY_UNSET = -1;
 
     void setupScheduler();
-    sp<BufferStateLayer> createBufferStateLayer(LayerMetadata metadata);
+    sp<Layer> createBufferStateLayer(LayerMetadata metadata);
 
     TestableSurfaceFlinger mFlinger;
     mock::FrameTimeline mFrameTimeline =
@@ -95,8 +93,8 @@ protected:
 
     sp<TestableFpsListener> mFpsListener;
     fake::FakeClock* mClock = new fake::FakeClock();
-    sp<FpsReporter> mFpsReporter =
-            new FpsReporter(mFrameTimeline, *(mFlinger.flinger()), std::unique_ptr<Clock>(mClock));
+    sp<FpsReporter> mFpsReporter = sp<FpsReporter>::make(mFrameTimeline, *(mFlinger.flinger()),
+                                                         std::unique_ptr<Clock>(mClock));
 };
 
 FpsReporterTest::FpsReporterTest() {
@@ -107,7 +105,7 @@ FpsReporterTest::FpsReporterTest() {
     setupScheduler();
     mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
 
-    mFpsListener = new TestableFpsListener();
+    mFpsListener = sp<TestableFpsListener>::make();
 }
 
 FpsReporterTest::~FpsReporterTest() {
@@ -116,10 +114,10 @@ FpsReporterTest::~FpsReporterTest() {
     ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
 }
 
-sp<BufferStateLayer> FpsReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
+sp<Layer> FpsReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS, metadata);
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void FpsReporterTest::setupScheduler() {
@@ -128,13 +126,15 @@ void FpsReporterTest::setupScheduler() {
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -153,7 +153,7 @@ TEST_F(FpsReporterTest, callsListeners) {
     mParent = createBufferStateLayer();
     constexpr int32_t kTaskId = 12;
     LayerMetadata targetMetadata;
-    targetMetadata.setInt32(METADATA_TASK_ID, kTaskId);
+    targetMetadata.setInt32(gui::METADATA_TASK_ID, kTaskId);
     mTarget = createBufferStateLayer(targetMetadata);
     mChild = createBufferStateLayer();
     mGrandChild = createBufferStateLayer();
@@ -188,7 +188,7 @@ TEST_F(FpsReporterTest, callsListeners) {
 TEST_F(FpsReporterTest, rateLimits) {
     const constexpr int32_t kTaskId = 12;
     LayerMetadata targetMetadata;
-    targetMetadata.setInt32(METADATA_TASK_ID, kTaskId);
+    targetMetadata.setInt32(gui::METADATA_TASK_ID, kTaskId);
     mTarget = createBufferStateLayer(targetMetadata);
     mFlinger.mutableCurrentState().layersSortedByZ.add(mTarget);
 
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp b/services/surfaceflinger/tests/unittests/FrameRateSelectionPriorityTest.cpp
index 1e6e3361b2..ac63a0edbd 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FrameRateSelectionPriorityTest.cpp
@@ -21,8 +21,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -59,8 +57,8 @@ protected:
     static constexpr int32_t PRIORITY_UNSET = -1;
 
     void setupScheduler();
-    sp<BufferStateLayer> createBufferStateLayer();
-    sp<EffectLayer> createEffectLayer();
+    sp<Layer> createBufferStateLayer();
+    sp<Layer> createEffectLayer();
 
     void setParent(Layer* child, Layer* parent);
     void commitTransaction(Layer* layer);
@@ -88,22 +86,21 @@ RefreshRateSelectionTest::~RefreshRateSelectionTest() {
     ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
 }
 
-
-sp<BufferStateLayer> RefreshRateSelectionTest::createBufferStateLayer() {
+sp<Layer> RefreshRateSelectionTest::createBufferStateLayer() {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-queue-layer", LAYER_FLAGS,
                            LayerMetadata());
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
-sp<EffectLayer> RefreshRateSelectionTest::createEffectLayer() {
+sp<Layer> RefreshRateSelectionTest::createEffectLayer() {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "color-layer", LAYER_FLAGS, LayerMetadata());
-    return new EffectLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void RefreshRateSelectionTest::setParent(Layer* child, Layer* parent) {
-    child->setParent(parent);
+    child->setParent(sp<Layer>::fromExisting(parent));
 }
 
 void RefreshRateSelectionTest::commitTransaction(Layer* layer) {
@@ -117,13 +114,15 @@ void RefreshRateSelectionTest::setupScheduler() {
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
index f1efa9286d..f47ac6dc43 100644
--- a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
@@ -217,9 +217,12 @@ TEST_F(FrameTimelineTest, createSurfaceFrameForToken_noToken) {
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_expiredToken) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({0, 0, 0});
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Expired);
@@ -227,9 +230,12 @@ TEST_F(FrameTimelineTest, createSurfaceFrameForToken_expiredToken) {
 
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validToken) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Valid);
@@ -239,9 +245,12 @@ TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validToken) {
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validInputEventId) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     constexpr int32_t inputEventId = 1;
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = inputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, inputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(inputEventId, surfaceFrame->getInputEventId());
@@ -250,9 +259,12 @@ TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validInputEventId) {
 TEST_F(FrameTimelineTest, presentFenceSignaled_droppedFramesNotUpdated) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -278,14 +290,17 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_presentedFramesUpdated) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdTwo, sLayerNameTwo,
-                                                       sLayerNameTwo, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdTwo,
+                                                       sLayerNameTwo, sLayerNameTwo,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame1);
@@ -324,9 +339,11 @@ TEST_F(FrameTimelineTest, displayFramesSlidingWindowMovesAfterLimit) {
                 {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor});
         int64_t sfToken = mTokenManager->generateTokenForPredictions(
                 {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = surfaceFrameToken;
+        ftInfo.inputEventId = sInputEventId;
         auto surfaceFrame =
-                mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId},
-                                                           sPidOne, sUidOne, sLayerIdOne,
+                mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
                                                            sLayerNameOne, sLayerNameOne,
                                                            /*isBuffer*/ true, sGameMode);
         mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11));
@@ -347,10 +364,13 @@ TEST_F(FrameTimelineTest, displayFramesSlidingWindowMovesAfterLimit) {
             {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor});
     int64_t sfToken = mTokenManager->generateTokenForPredictions(
             {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11));
     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame);
@@ -442,11 +462,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_invalidSignalTime) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -457,7 +480,7 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_invalidSignalTime) {
     addEmptyDisplayFrame();
 
     auto displayFrame0 = getDisplayFrame(0);
-    EXPECT_EQ(displayFrame0->getActuals().presentTime, -1);
+    EXPECT_EQ(displayFrame0->getActuals().presentTime, 59);
     EXPECT_EQ(displayFrame0->getJankType(), JankType::Unknown);
     EXPECT_EQ(surfaceFrame1->getActuals().presentTime, -1);
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::Unknown);
@@ -470,11 +493,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_doesNotReportForInvalidTokens) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = -1;
     int64_t sfToken1 = -1;
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -495,11 +521,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsLongSfCpu) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -521,11 +550,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsLongSfGpu) {
     auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -546,11 +578,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsDisplayMiss) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
     surfaceFrame1->setAcquireFenceTime(20);
@@ -570,11 +605,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMiss) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -596,11 +634,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfScheduling) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({40, 60, 92});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -622,11 +663,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfPredictionError) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -648,11 +692,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppBufferStuffing) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 58});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 82, refreshRate);
 
@@ -676,11 +723,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMissWithRenderRate) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -706,11 +756,14 @@ TEST_F(FrameTimelineTest, presentFenceSignaled_displayFramePredictionExpiredPres
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     // Trigger a prediction expiry
     flushTokens();
@@ -744,9 +797,12 @@ TEST_F(FrameTimelineTest, tracing_noPacketsSentWithoutTraceStart) {
     auto tracingSession = getTracingSessionForTest();
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -771,9 +827,12 @@ TEST_F(FrameTimelineTest, tracing_sanityTest) {
     tracingSession->StartBlocking();
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t token2 = mTokenManager->generateTokenForPredictions({40, 50, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -1133,14 +1192,18 @@ TEST_F(FrameTimelineTest, traceSurfaceFrame_emitsValidTracePacket) {
     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 25, 40});
     int64_t displayFrameToken1 = mTokenManager->generateTokenForPredictions({30, 35, 40});
 
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
+
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setActualQueueTime(10);
     surfaceFrame1->setDropTime(15);
 
@@ -1293,10 +1356,13 @@ TEST_F(FrameTimelineTest, traceSurfaceFrame_predictionExpiredIsAppMissedDeadline
 
     // Flush the token so that it would expire
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = 0;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0},
-                                                       sPidOne, sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setActualQueueTime(appEndTime);
     surfaceFrame1->setAcquireFenceTime(appEndTime);
 
@@ -1369,10 +1435,13 @@ TEST_F(FrameTimelineTest, traceSurfaceFrame_predictionExpiredDroppedFramesTraced
 
     // Flush the token so that it would expire
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = 0;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0},
-                                                       sPidOne, sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
 
     constexpr nsecs_t sfStartTime = std::chrono::nanoseconds(22ms).count();
     constexpr nsecs_t sfEndTime = std::chrono::nanoseconds(30ms).count();
@@ -1438,10 +1507,13 @@ TEST_F(FrameTimelineTest, jankClassification_presentOnTimeDoesNotClassify) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame);
@@ -1608,7 +1680,7 @@ TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent)
     EXPECT_EQ(displayFrame0->getActuals().presentTime, 52);
     EXPECT_EQ(displayFrame0->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame0->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
-    EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+    EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
 
     // case 3 - cpu time = 86 - 82 = 4, vsync period = 30
     mFrameTimeline->setSfWakeUp(sfToken3, 106, Fps::fromPeriodNsecs(30));
@@ -1654,10 +1726,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishEarlyPresen
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(16);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1674,10 +1749,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishEarlyPresen
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(36);
     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1734,10 +1812,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishLatePresent
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(16);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1754,10 +1835,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishLatePresent
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(36);
     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1813,10 +1897,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishEarlyPresent)
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({42, 50, 50});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 26, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 42, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1857,10 +1944,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishLatePresent)
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({42, 50, 50});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 30});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 50});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(26);
     mFrameTimeline->setSfWakeUp(sfToken1, 32, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1877,10 +1967,13 @@ TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishLatePresent)
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken2, 43, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1932,10 +2025,13 @@ TEST_F(FrameTimelineTest, jankClassification_multiJankBufferStuffingAndAppDeadli
 
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({112, 120, 120});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1952,10 +2048,13 @@ TEST_F(FrameTimelineTest, jankClassification_multiJankBufferStuffingAndAppDeadli
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(84);
     mFrameTimeline->setSfWakeUp(sfToken2, 112, Fps::fromPeriodNsecs(30));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented, 54);
@@ -2010,10 +2109,13 @@ TEST_F(FrameTimelineTest, jankClassification_appDeadlineAdjustedForBufferStuffin
 
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -2030,10 +2132,13 @@ TEST_F(FrameTimelineTest, jankClassification_appDeadlineAdjustedForBufferStuffin
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(80);
     mFrameTimeline->setSfWakeUp(sfToken2, 82, Fps::fromPeriodNsecs(30));
     // Setting previous latch time to 54, adjusted deadline will be 54 + vsyncTime(30) = 84
@@ -2079,6 +2184,94 @@ TEST_F(FrameTimelineTest, jankClassification_appDeadlineAdjustedForBufferStuffin
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::BufferStuffing);
 }
 
+TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent_GpuAndCpuMiss) {
+    auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 40});
+    int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+
+    // Case 1: cpu time = 33 - 12 = 21, vsync period = 11
+    mFrameTimeline->setSfWakeUp(sfToken1, 12, Fps::fromPeriodNsecs(11));
+    mFrameTimeline->setSfPresent(33, presentFence1, gpuFence1);
+    auto displayFrame = getDisplayFrame(0);
+    gpuFence1->signalForTest(36);
+    presentFence1->signalForTest(52);
+
+    // Fences haven't been flushed yet, so it should be 0
+    EXPECT_EQ(displayFrame->getActuals().presentTime, 0);
+
+    addEmptyDisplayFrame();
+    displayFrame = getDisplayFrame(0);
+
+    // Fences have flushed, so the present timestamps should be updated
+    EXPECT_EQ(displayFrame->getActuals().presentTime, 52);
+    EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
+    EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
+    EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+
+    // Case 2: No GPU fence so it will not use GPU composition.
+    mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(30));
+    mFrameTimeline->setSfPresent(66, presentFence2);
+    auto displayFrame2 = getDisplayFrame(2); // 2 because of previous empty frame
+    presentFence2->signalForTest(90);
+
+    // Fences for the frame haven't been flushed yet, so it should be 0
+    EXPECT_EQ(displayFrame2->getActuals().presentTime, 0);
+
+    addEmptyDisplayFrame();
+
+    // Fences have flushed, so the present timestamps should be updated
+    EXPECT_EQ(displayFrame2->getActuals().presentTime, 90);
+    EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
+    EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
+    EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+}
+
+TEST_F(FrameTimelineTest, jankClassification_presentFenceError) {
+    auto erroneousPresentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto erroneousPresentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto validPresentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 40});
+    int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    int64_t sfToken3 = mTokenManager->generateTokenForPredictions({72, 80, 80});
+
+    mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
+    mFrameTimeline->setSfPresent(26, erroneousPresentFence1);
+
+    mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11));
+    mFrameTimeline->setSfPresent(60, erroneousPresentFence2);
+
+    mFrameTimeline->setSfWakeUp(sfToken3, 72, Fps::fromPeriodNsecs(11));
+    mFrameTimeline->setSfPresent(80, validPresentFence);
+
+    validPresentFence->signalForTest(80);
+
+    addEmptyDisplayFrame();
+
+    {
+        auto displayFrame = getDisplayFrame(0);
+        EXPECT_EQ(displayFrame->getActuals().presentTime, 26);
+        EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent);
+        EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish);
+        EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown);
+    }
+    {
+        auto displayFrame = getDisplayFrame(1);
+        EXPECT_EQ(displayFrame->getActuals().presentTime, 60);
+        EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent);
+        EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish);
+        EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown);
+    }
+    {
+        auto displayFrame = getDisplayFrame(2);
+        EXPECT_EQ(displayFrame->getActuals().presentTime, 80);
+        EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
+        EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
+        EXPECT_EQ(displayFrame->getJankType(), JankType::None);
+    }
+}
+
 TEST_F(FrameTimelineTest, computeFps_noLayerIds_returnsZero) {
     EXPECT_EQ(mFrameTimeline->computeFps({}), 0.0f);
 }
@@ -2237,4 +2430,38 @@ TEST_F(FrameTimelineTest, computeFps_averagesOverMultipleFrames) {
     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 5.0f);
 }
 
+TEST_F(FrameTimelineTest, getMinTime) {
+    // Use SurfaceFrame::getBaseTime to test the getMinTime.
+    FrameTimelineInfo ftInfo;
+
+    // Valid prediction state test.
+    ftInfo.vsyncId = 0L;
+    mTokenManager->generateTokenForPredictions({10});
+    auto surfaceFrame =
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 10);
+
+    // Test prediction state which is not valid.
+    ftInfo.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+    surfaceFrame = mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                              sLayerNameOne, sLayerNameOne,
+                                                              /*isBuffer*/ true, sGameMode);
+    // Start time test.
+    surfaceFrame->setActualStartTime(200);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 200);
+
+    // End time test.
+    surfaceFrame->setAcquireFenceTime(100);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 100);
+
+    // Present time test.
+    auto presentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
+    mFrameTimeline->addSurfaceFrame(surfaceFrame);
+    presentFence->signalForTest(std::chrono::nanoseconds(50ns).count());
+    mFrameTimeline->setSfPresent(50, presentFence);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 50);
+}
 } // namespace android::frametimeline
diff --git a/services/surfaceflinger/tests/unittests/GameModeTest.cpp b/services/surfaceflinger/tests/unittests/GameModeTest.cpp
index 981ca1d227..29aa7171ba 100644
--- a/services/surfaceflinger/tests/unittests/GameModeTest.cpp
+++ b/services/surfaceflinger/tests/unittests/GameModeTest.cpp
@@ -34,6 +34,8 @@ using testing::_;
 using testing::Mock;
 using testing::Return;
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+using gui::GameMode;
+using gui::LayerMetadata;
 
 class GameModeTest : public testing::Test {
 public:
@@ -51,11 +53,10 @@ public:
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
-        LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
-                               LayerMetadata());
-        return new BufferStateLayer(args);
+        LayerCreationArgs args(mFlinger.flinger(), client, "layer", 0, LayerMetadata());
+        return sp<Layer>::make(args);
     }
 
     void setupScheduler() {
@@ -64,13 +65,15 @@ public:
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -92,7 +95,7 @@ public:
 
     // Mocks the behavior of applying a transaction from WMShell
     void setGameModeMetadata(sp<Layer> layer, GameMode gameMode) {
-        mLayerMetadata.setInt32(METADATA_GAME_MODE, static_cast<int32_t>(gameMode));
+        mLayerMetadata.setInt32(gui::METADATA_GAME_MODE, static_cast<int32_t>(gameMode));
         layer->setMetadata(mLayerMetadata);
         layer->setGameModeForTree(gameMode);
     }
@@ -104,9 +107,9 @@ public:
 };
 
 TEST_F(GameModeTest, SetGameModeSetsForAllCurrentChildren) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer1 = createLayer();
+    sp<Layer> childLayer2 = createLayer();
     rootLayer->addChild(childLayer1);
     rootLayer->addChild(childLayer2);
     rootLayer->setGameModeForTree(GameMode::Performance);
@@ -117,8 +120,8 @@ TEST_F(GameModeTest, SetGameModeSetsForAllCurrentChildren) {
 }
 
 TEST_F(GameModeTest, AddChildAppliesGameModeFromParent) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer = createLayer();
     rootLayer->setGameModeForTree(GameMode::Performance);
     rootLayer->addChild(childLayer);
 
@@ -127,8 +130,8 @@ TEST_F(GameModeTest, AddChildAppliesGameModeFromParent) {
 }
 
 TEST_F(GameModeTest, RemoveChildResetsGameMode) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer = createLayer();
     rootLayer->setGameModeForTree(GameMode::Performance);
     rootLayer->addChild(childLayer);
 
@@ -140,9 +143,9 @@ TEST_F(GameModeTest, RemoveChildResetsGameMode) {
 }
 
 TEST_F(GameModeTest, ReparentingDoesNotOverrideMetadata) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer1 = createLayer();
+    sp<Layer> childLayer2 = createLayer();
     rootLayer->setGameModeForTree(GameMode::Standard);
     rootLayer->addChild(childLayer1);
 
diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index 5241604cd0..8f89a8ca7a 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -59,27 +59,63 @@ using ::testing::Return;
 using ::testing::SetArgPointee;
 using ::testing::StrictMock;
 
-TEST(HWComposerTest, isHeadless) {
-    Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    ASSERT_TRUE(hwc.isHeadless());
+struct HWComposerTest : testing::Test {
+    using HalError = hardware::graphics::composer::V2_1::Error;
 
-    const hal::HWDisplayId hwcId = 1;
+    Hwc2::mock::Composer* const mHal = new StrictMock<Hwc2::mock::Composer>();
+    impl::HWComposer mHwc{std::unique_ptr<Hwc2::Composer>(mHal)};
 
-    EXPECT_CALL(*mHal, getDisplayIdentificationData(_, _, _))
-            .WillOnce(DoAll(SetArgPointee<2>(getExternalEdid()),
-                            Return(hardware::graphics::composer::V2_1::Error::NONE)));
+    void expectHotplugConnect(hal::HWDisplayId hwcDisplayId) {
+        constexpr uint8_t kPort = 255;
+        EXPECT_CALL(*mHal, getDisplayIdentificationData(hwcDisplayId, _, _))
+                .WillOnce(DoAll(SetArgPointee<1>(kPort),
+                                SetArgPointee<2>(getExternalEdid()), Return(HalError::NONE)));
 
-    EXPECT_CALL(*mHal, setVsyncEnabled(_, _));
-    EXPECT_CALL(*mHal, setClientTargetSlotCount(_));
+        EXPECT_CALL(*mHal, setClientTargetSlotCount(_));
+        EXPECT_CALL(*mHal, setVsyncEnabled(hwcDisplayId, Hwc2::IComposerClient::Vsync::DISABLE));
+        EXPECT_CALL(*mHal, onHotplugConnect(hwcDisplayId));
+    }
+};
+
+TEST_F(HWComposerTest, isHeadless) {
+    ASSERT_TRUE(mHwc.isHeadless());
+
+    constexpr hal::HWDisplayId kHwcDisplayId = 1;
+    expectHotplugConnect(kHwcDisplayId);
+
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
+    ASSERT_TRUE(info);
+
+    ASSERT_FALSE(mHwc.isHeadless());
+
+    mHwc.disconnectDisplay(info->id);
+    ASSERT_TRUE(mHwc.isHeadless());
+}
+
+TEST_F(HWComposerTest, getActiveMode) {
+    // Unknown display.
+    EXPECT_EQ(mHwc.getActiveMode(PhysicalDisplayId::fromPort(0)), std::nullopt);
 
-    auto info = hwc.onHotplug(hwcId, hal::Connection::CONNECTED);
+    constexpr hal::HWDisplayId kHwcDisplayId = 2;
+    expectHotplugConnect(kHwcDisplayId);
+
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
     ASSERT_TRUE(info);
-    auto displayId = info->id;
-    ASSERT_FALSE(hwc.isHeadless());
 
-    hwc.disconnectDisplay(displayId);
-    ASSERT_TRUE(hwc.isHeadless());
+    {
+        // Display is known to SF but not HWC, e.g. the hotplug disconnect is pending.
+        EXPECT_CALL(*mHal, getActiveConfig(kHwcDisplayId, _))
+                .WillOnce(Return(HalError::BAD_DISPLAY));
+
+        EXPECT_EQ(mHwc.getActiveMode(info->id), std::nullopt);
+    }
+    {
+        constexpr hal::HWConfigId kConfigId = 42;
+        EXPECT_CALL(*mHal, getActiveConfig(kHwcDisplayId, _))
+                .WillOnce(DoAll(SetArgPointee<1>(kConfigId), Return(HalError::NONE)));
+
+        EXPECT_EQ(mHwc.getActiveMode(info->id), kConfigId);
+    }
 }
 
 struct MockHWC2ComposerCallback final : StrictMock<HWC2::ComposerCallback> {
@@ -93,8 +129,7 @@ struct MockHWC2ComposerCallback final : StrictMock<HWC2::ComposerCallback> {
     MOCK_METHOD1(onComposerHalVsyncIdle, void(hal::HWDisplayId));
 };
 
-struct HWComposerSetCallbackTest : testing::Test {
-    Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
+struct HWComposerSetCallbackTest : HWComposerTest {
     MockHWC2ComposerCallback mCallback;
 };
 
@@ -111,12 +146,13 @@ TEST_F(HWComposerSetCallbackTest, loadsLayerMetadataSupport) {
                                     {kMetadata2Name, kMetadata2Mandatory},
                             }),
                             Return(hardware::graphics::composer::V2_4::Error::NONE)));
+    EXPECT_CALL(*mHal, getOverlaySupport(_)).WillOnce(Return(HalError::NONE));
+
     EXPECT_CALL(*mHal, registerCallback(_));
 
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(mCallback);
+    mHwc.setCallback(mCallback);
 
-    const auto& supported = hwc.getSupportedLayerGenericMetadata();
+    const auto& supported = mHwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(2u, supported.size());
     EXPECT_EQ(1u, supported.count(kMetadata1Name));
     EXPECT_EQ(kMetadata1Mandatory, supported.find(kMetadata1Name)->second);
@@ -128,13 +164,13 @@ TEST_F(HWComposerSetCallbackTest, handlesUnsupportedCallToGetLayerGenericMetadat
     EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<aidl::Capability>{}));
     EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
+    EXPECT_CALL(*mHal, getOverlaySupport(_)).WillOnce(Return(HalError::UNSUPPORTED));
     EXPECT_CALL(*mHal, registerCallback(_));
 
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(mCallback);
+    mHwc.setCallback(mCallback);
 
-    const auto& supported = hwc.getSupportedLayerGenericMetadata();
-    EXPECT_EQ(0u, supported.size());
+    const auto& supported = mHwc.getSupportedLayerGenericMetadata();
+    EXPECT_TRUE(supported.empty());
 }
 
 struct HWComposerLayerTest : public testing::Test {
diff --git a/services/surfaceflinger/tests/unittests/LayerHierarchyTest.cpp b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.cpp
new file mode 100644
index 0000000000..8560902e4e
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.cpp
@@ -0,0 +1,728 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include "FrontEnd/LayerHandle.h"
+#include "FrontEnd/LayerHierarchy.h"
+#include "FrontEnd/LayerLifecycleManager.h"
+#include "Layer.h"
+#include "gui/SurfaceComposerClient.h"
+
+#define UPDATE_AND_VERIFY(HIERARCHY)  \
+    ({                                \
+        SCOPED_TRACE("");             \
+        updateAndVerify((HIERARCHY)); \
+    })
+
+namespace android::surfaceflinger::frontend {
+
+namespace {
+LayerCreationArgs createArgs(uint32_t id, bool canBeRoot, wp<IBinder> parent, wp<IBinder> mirror) {
+    LayerCreationArgs args(nullptr, nullptr, "testlayer", 0, {}, std::make_optional(id));
+    args.addToRoot = canBeRoot;
+    args.parentHandle = parent;
+    args.mirrorLayerHandle = mirror;
+    return args;
+}
+} // namespace
+
+// To run test:
+/**
+ mp :libsurfaceflinger_unittest && adb sync; adb shell \
+    /data/nativetest/libsurfaceflinger_unittest/libsurfaceflinger_unittest \
+    --gtest_filter="LayerHierarchyTest.*" --gtest_repeat=100 \
+    --gtest_shuffle \
+    --gtest_brief=1
+*/
+
+class LayerHierarchyTest : public testing::Test {
+protected:
+    LayerHierarchyTest() {
+        // tree with 3 levels of children
+        // ROOT
+        // ├── 1
+        // │   ├── 11
+        // │   │   └── 111
+        // │   ├── 12
+        // │   │   ├── 121
+        // │   │   └── 122
+        // │   │       └── 1221
+        // │   └── 13
+        // └── 2
+
+        createRootLayer(1);
+        createRootLayer(2);
+        createLayer(11, 1);
+        createLayer(12, 1);
+        createLayer(13, 1);
+        createLayer(111, 11);
+        createLayer(121, 12);
+        createLayer(122, 12);
+        createLayer(1221, 122);
+        mLifecycleManager.commitChanges();
+    }
+    std::vector<uint32_t> getTraversalPath(const LayerHierarchy& hierarchy) const {
+        std::vector<uint32_t> layerIds;
+        hierarchy.traverse([&layerIds = layerIds](const LayerHierarchy& hierarchy,
+                                                  const LayerHierarchy::TraversalPath&) -> bool {
+            layerIds.emplace_back(hierarchy.getLayer()->id);
+            return true;
+        });
+        return layerIds;
+    }
+
+    std::vector<uint32_t> getTraversalPathInZOrder(const LayerHierarchy& hierarchy) const {
+        std::vector<uint32_t> layerIds;
+        hierarchy.traverseInZOrder(
+                [&layerIds = layerIds](const LayerHierarchy& hierarchy,
+                                       const LayerHierarchy::TraversalPath&) -> bool {
+                    layerIds.emplace_back(hierarchy.getLayer()->id);
+                    return true;
+                });
+        return layerIds;
+    }
+
+    void createRootLayer(uint32_t id) {
+        sp<LayerHandle> handle = sp<LayerHandle>::make(id);
+        mHandles[id] = handle;
+        std::vector<std::unique_ptr<RequestedLayerState>> layers;
+        layers.emplace_back(std::make_unique<RequestedLayerState>(
+                createArgs(/*id=*/id, /*canBeRoot=*/true, /*parent=*/nullptr, /*mirror=*/nullptr)));
+        mLifecycleManager.addLayers(std::move(layers));
+    }
+
+    void createLayer(uint32_t id, uint32_t parentId) {
+        sp<LayerHandle> handle = sp<LayerHandle>::make(id);
+        mHandles[id] = handle;
+        std::vector<std::unique_ptr<RequestedLayerState>> layers;
+        layers.emplace_back(std::make_unique<RequestedLayerState>(
+                createArgs(/*id=*/id, /*canBeRoot=*/false, /*parent=*/mHandles[parentId],
+                           /*mirror=*/nullptr)));
+        mLifecycleManager.addLayers(std::move(layers));
+    }
+
+    void reparentLayer(uint32_t id, uint32_t newParentId) {
+        std::vector<TransactionState> transactions;
+        transactions.emplace_back();
+        transactions.back().states.push_back({});
+
+        if (newParentId == UNASSIGNED_LAYER_ID) {
+            transactions.back().states.front().state.parentSurfaceControlForChild = nullptr;
+        } else {
+            auto parentHandle = mHandles[newParentId];
+            transactions.back().states.front().state.parentSurfaceControlForChild =
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(), parentHandle,
+                                             static_cast<int32_t>(newParentId), "Test");
+        }
+        transactions.back().states.front().state.what = layer_state_t::eReparent;
+        transactions.back().states.front().state.surface = mHandles[id];
+        mLifecycleManager.applyTransactions(transactions);
+    }
+
+    void reparentRelativeLayer(uint32_t id, uint32_t relativeParentId) {
+        std::vector<TransactionState> transactions;
+        transactions.emplace_back();
+        transactions.back().states.push_back({});
+
+        if (relativeParentId == UNASSIGNED_LAYER_ID) {
+            transactions.back().states.front().state.what = layer_state_t::eLayerChanged;
+        } else {
+            auto parentHandle = mHandles[relativeParentId];
+            transactions.back().states.front().state.relativeLayerSurfaceControl =
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(), parentHandle,
+                                             static_cast<int32_t>(relativeParentId), "test");
+            transactions.back().states.front().state.what = layer_state_t::eRelativeLayerChanged;
+        }
+        transactions.back().states.front().state.surface = mHandles[id];
+        mLifecycleManager.applyTransactions(transactions);
+    }
+
+    void mirrorLayer(uint32_t id, uint32_t parent, uint32_t layerToMirror) {
+        auto parentHandle = (parent == UNASSIGNED_LAYER_ID) ? nullptr : mHandles[parent];
+        auto mirrorHandle =
+                (layerToMirror == UNASSIGNED_LAYER_ID) ? nullptr : mHandles[layerToMirror];
+
+        sp<LayerHandle> handle = sp<LayerHandle>::make(id);
+        mHandles[id] = handle;
+        std::vector<std::unique_ptr<RequestedLayerState>> layers;
+        layers.emplace_back(std::make_unique<RequestedLayerState>(
+                createArgs(/*id=*/id, /*canBeRoot=*/false, /*parent=*/parentHandle,
+                           /*mirror=*/mHandles[layerToMirror])));
+        mLifecycleManager.addLayers(std::move(layers));
+    }
+
+    void updateBackgroundColor(uint32_t id, half alpha) {
+        std::vector<TransactionState> transactions;
+        transactions.emplace_back();
+        transactions.back().states.push_back({});
+        transactions.back().states.front().state.what = layer_state_t::eBackgroundColorChanged;
+        transactions.back().states.front().state.bgColorAlpha = alpha;
+        transactions.back().states.front().state.surface = mHandles[id];
+        mLifecycleManager.applyTransactions(transactions);
+    }
+
+    void destroyLayerHandle(uint32_t id) { mLifecycleManager.onHandlesDestroyed({id}); }
+
+    void updateAndVerify(LayerHierarchyBuilder& hierarchyBuilder) {
+        if (mLifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy)) {
+            hierarchyBuilder.update(mLifecycleManager.getLayers(),
+                                    mLifecycleManager.getDestroyedLayers());
+        }
+        mLifecycleManager.commitChanges();
+
+        // rebuild layer hierarchy from scratch and verify that it matches the updated state.
+        LayerHierarchyBuilder newBuilder(mLifecycleManager.getLayers());
+        EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()),
+                  getTraversalPath(newBuilder.getHierarchy()));
+        EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()),
+                  getTraversalPathInZOrder(newBuilder.getHierarchy()));
+        EXPECT_FALSE(
+                mLifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    }
+
+    void setZ(uint32_t id, int32_t z) {
+        std::vector<TransactionState> transactions;
+        transactions.emplace_back();
+        transactions.back().states.push_back({});
+
+        transactions.back().states.front().state.what = layer_state_t::eLayerChanged;
+        transactions.back().states.front().state.layerId = static_cast<int32_t>(id);
+        transactions.back().states.front().state.z = z;
+        mLifecycleManager.applyTransactions(transactions);
+    }
+    LayerLifecycleManager mLifecycleManager;
+    std::unordered_map<uint32_t, sp<LayerHandle>> mHandles;
+};
+
+// reparenting tests
+TEST_F(LayerHierarchyTest, addLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+
+    createRootLayer(3);
+    createLayer(112, 11);
+    createLayer(12211, 1221);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+    expectedTraversalPath = {1, 11, 111, 112, 12, 121, 122, 1221, 12211, 13, 2, 3};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, reparentLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentLayer(2, 11);
+    reparentLayer(111, 12);
+    reparentLayer(1221, 1);
+    reparentLayer(1221, 13);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 2, 12, 111, 121, 122, 13, 1221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, reparentLayerToNull) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    reparentLayer(2, UNASSIGNED_LAYER_ID);
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    reparentLayer(1221, 13);
+    reparentLayer(1221, UNASSIGNED_LAYER_ID);
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {2, 11, 111, 1221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, reparentLayerToNullAndDestroyHandles) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentLayer(2, UNASSIGNED_LAYER_ID);
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    reparentLayer(1221, UNASSIGNED_LAYER_ID);
+
+    destroyLayerHandle(2);
+    destroyLayerHandle(11);
+    destroyLayerHandle(1221);
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, destroyHandleThenDestroyParentLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    destroyLayerHandle(111);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    // handle is destroyed but layer is kept alive and reachable by parent
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+
+    // destroy parent layer and the child gets destroyed
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    destroyLayerHandle(11);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, layerSurvivesTemporaryReparentToNull) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    reparentLayer(11, 1);
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// offscreen tests
+TEST_F(LayerHierarchyTest, layerMovesOnscreen) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    reparentLayer(11, 1);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, addLayerToOffscreenParent) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    createLayer(112, 11);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {11, 111, 112};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// rel-z tests
+TEST_F(LayerHierarchyTest, setRelativeParent) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2, 11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 2, 11, 111};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, reparentFromRelativeParentWithSetLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    reparentRelativeLayer(11, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, reparentToRelativeParent) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    reparentLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 2, 11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, setParentAsRelativeParent) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    reparentRelativeLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 2, 11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, relativeChildMovesOffscreenIsNotTraversable) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(11, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    reparentLayer(2, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {2, 11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// mirror tests
+TEST_F(LayerHierarchyTest, canTraverseMirrorLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    mirrorLayer(/*layer*/ 14, /*parent*/ 1, /*layerToMirror*/ 11);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1,    11, 111, 12, 121, 122,
+                                                   1221, 13, 14,  11, 111, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, canMirrorOffscreenLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    reparentLayer(11, UNASSIGNED_LAYER_ID);
+    mirrorLayer(/*layer*/ 14, /*parent*/ 1, /*layerToMirror*/ 11);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 12, 121, 122, 1221, 13, 14, 11, 111, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, newChildLayerIsUpdatedInMirrorHierarchy) {
+    mirrorLayer(/*layer*/ 14, /*parent*/ 1, /*layerToMirror*/ 11);
+    mLifecycleManager.commitChanges();
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    createLayer(1111, 111);
+    createLayer(112, 11);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1,    11, 111, 1111, 112, 12,   121, 122,
+                                                   1221, 13, 14,  11,   111, 1111, 112, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// mirror & relatives tests
+TEST_F(LayerHierarchyTest, mirrorWithRelativeOutsideMirrorHierarchy) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(111, 12);
+    mirrorLayer(/*layer*/ 14, /*parent*/ 1, /*layerToMirror*/ 11);
+
+    // ROOT
+    // ├── 1
+    // │   ├── 11
+    // │   │   └── 111
+    // │   ├── 12
+    // │   │   ├── 121
+    // │   │   ├── 122
+    // │   │   │   └── 1221
+    // │   │   └ - 111 (relative)
+    // │   ├── 13
+    // │   └── 14
+    // │       └ * 11 (mirroring)
+    // └── 2
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1,    11, 111, 12, 111, 121, 122,
+                                                   1221, 13, 14,  11, 111, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    // 111 is not reachable in the mirror
+    expectedTraversalPath = {1, 11, 12, 111, 121, 122, 1221, 13, 14, 11, 2};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, mirrorWithRelativeInsideMirrorHierarchy) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(1221, 12);
+    mirrorLayer(/*layer*/ 14, /*parent*/ 1, /*layerToMirror*/ 12);
+
+    // ROOT
+    // ├── 1
+    // │   ├── 11
+    // │   │   └── 111
+    // │   ├── 12
+    // │   │   ├── 121
+    // │   │   ├── 122
+    // │   │   │   └── 1221
+    // │   │   └ - 1221 (relative)
+    // │   ├── 13
+    // │   └── 14
+    // │       └ * 12 (mirroring)
+    // └── 2
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+    std::vector<uint32_t> expectedTraversalPath = {1,  11, 111, 12,  121, 122,  1221, 1221,
+                                                   13, 14, 12,  121, 122, 1221, 1221, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    // relative layer 1221 is traversable in the mirrored hierarchy as well
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 14, 12, 121, 122, 1221, 2};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, childMovesOffscreenWhenRelativeParentDies) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    reparentRelativeLayer(11, 2);
+    reparentLayer(2, UNASSIGNED_LAYER_ID);
+    destroyLayerHandle(2);
+
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {11, 111};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+
+    // remove relative parent so layer becomes onscreen again
+    reparentRelativeLayer(11, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, offscreenLayerCannotBeRelativeToOnscreenLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentRelativeLayer(1221, 2);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    // verify relz path
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2, 1221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 13, 2, 1221};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+
+    // offscreen layer cannot be reached as a relative child
+    reparentLayer(12, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    expectedTraversalPath = {1, 11, 111, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {12, 121, 122, 1221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+
+    // layer when onscreen can be reached as a relative child again
+    reparentLayer(12, 1);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13, 2, 1221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 13, 2, 1221};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, backgroundLayersAreBehindParentLayer) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    updateBackgroundColor(1, 0.5);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 1222, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1222, 1, 11, 111, 12, 121, 122, 1221, 13, 2};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// cycle tests
+TEST_F(LayerHierarchyTest, ParentBecomesTheChild) {
+    // remove default hierarchy
+    mLifecycleManager = LayerLifecycleManager();
+    createRootLayer(1);
+    createLayer(11, 1);
+    reparentLayer(1, 11);
+    mLifecycleManager.commitChanges();
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    std::vector<uint32_t> expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, RelativeLoops) {
+    // remove default hierarchy
+    mLifecycleManager = LayerLifecycleManager();
+    createRootLayer(1);
+    createRootLayer(2);
+    createLayer(11, 1);
+    reparentRelativeLayer(11, 2);
+    reparentRelativeLayer(2, 11);
+    mLifecycleManager.commitChanges();
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    // fix loop
+    uint32_t invalidRelativeRoot;
+    bool hasRelZLoop = hierarchyBuilder.getHierarchy().hasRelZLoop(invalidRelativeRoot);
+    EXPECT_TRUE(hasRelZLoop);
+    mLifecycleManager.fixRelativeZLoop(invalidRelativeRoot);
+    hierarchyBuilder.update(mLifecycleManager.getLayers(), mLifecycleManager.getDestroyedLayers());
+    EXPECT_EQ(invalidRelativeRoot, 11u);
+    EXPECT_FALSE(hierarchyBuilder.getHierarchy().hasRelZLoop(invalidRelativeRoot));
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 2, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {11, 2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, IndirectRelativeLoops) {
+    // remove default hierarchy
+    mLifecycleManager = LayerLifecycleManager();
+    createRootLayer(1);
+    createRootLayer(2);
+    createLayer(11, 1);
+    createLayer(111, 11);
+    createLayer(21, 2);
+    createLayer(22, 2);
+    createLayer(221, 22);
+    reparentRelativeLayer(22, 111);
+    reparentRelativeLayer(11, 221);
+    mLifecycleManager.commitChanges();
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+
+    // fix loop
+    uint32_t invalidRelativeRoot;
+    bool hasRelZLoop = hierarchyBuilder.getHierarchy().hasRelZLoop(invalidRelativeRoot);
+    EXPECT_TRUE(hasRelZLoop);
+    mLifecycleManager.fixRelativeZLoop(invalidRelativeRoot);
+    hierarchyBuilder.update(mLifecycleManager.getLayers(), mLifecycleManager.getDestroyedLayers());
+    EXPECT_FALSE(hierarchyBuilder.getHierarchy().hasRelZLoop(invalidRelativeRoot));
+
+    std::vector<uint32_t> expectedTraversalPath = {1, 11, 111, 22, 221, 2, 21, 22, 221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 2, 21};
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {11, 111, 22, 221};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, ReparentRootLayerToNull) {
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    reparentLayer(1, UNASSIGNED_LAYER_ID);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {2};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    expectedTraversalPath = {1, 11, 111, 12, 121, 122, 1221, 13};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+TEST_F(LayerHierarchyTest, AddRemoveLayerInSameTransaction) {
+    // remove default hierarchy
+    mLifecycleManager = LayerLifecycleManager();
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    createRootLayer(1);
+    destroyLayerHandle(1);
+    UPDATE_AND_VERIFY(hierarchyBuilder);
+
+    std::vector<uint32_t> expectedTraversalPath = {};
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPathInZOrder(hierarchyBuilder.getHierarchy()), expectedTraversalPath);
+    EXPECT_EQ(getTraversalPath(hierarchyBuilder.getOffscreenHierarchy()), expectedTraversalPath);
+}
+
+// traversal path test
+TEST_F(LayerHierarchyTest, traversalPathId) {
+    setZ(122, -1);
+    LayerHierarchyBuilder hierarchyBuilder(mLifecycleManager.getLayers());
+    auto checkTraversalPathIdVisitor =
+            [](const LayerHierarchy& hierarchy,
+               const LayerHierarchy::TraversalPath& traversalPath) -> bool {
+        EXPECT_EQ(hierarchy.getLayer()->id, traversalPath.id);
+        return true;
+    };
+    hierarchyBuilder.getHierarchy().traverse(checkTraversalPathIdVisitor);
+    hierarchyBuilder.getHierarchy().traverseInZOrder(checkTraversalPathIdVisitor);
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
index 17511cd615..979924af58 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
@@ -69,11 +69,11 @@ protected:
         // LayerHistory::summarize makes no guarantee of the order of the elements in the summary
         // however, for testing only, a stable order is required, therefore we sort the list here.
         // Any tests requiring ordered results must create layers with names.
-        auto summary = history().summarize(*mScheduler->refreshRateConfigs(), now);
+        auto summary = history().summarize(*mScheduler->refreshRateSelector(), now);
         std::sort(summary.begin(), summary.end(),
-                  [](const RefreshRateConfigs::LayerRequirement& a,
-                     const RefreshRateConfigs::LayerRequirement& b) -> bool {
-                      return a.name < b.name;
+                  [](const RefreshRateSelector::LayerRequirement& lhs,
+                     const RefreshRateSelector::LayerRequirement& rhs) -> bool {
+                      return lhs.name < rhs.name;
                   });
         return summary;
     }
@@ -125,22 +125,70 @@ protected:
         ASSERT_EQ(desiredRefreshRate, summary[0].desiredRefreshRate);
     }
 
-    std::shared_ptr<RefreshRateConfigs> mConfigs =
-            std::make_shared<RefreshRateConfigs>(makeModes(createDisplayMode(DisplayModeId(0),
-                                                                             LO_FPS),
-                                                           createDisplayMode(DisplayModeId(1),
-                                                                             HI_FPS)),
-                                                 DisplayModeId(0));
+    std::shared_ptr<RefreshRateSelector> mSelector =
+            std::make_shared<RefreshRateSelector>(makeModes(createDisplayMode(DisplayModeId(0),
+                                                                              LO_FPS),
+                                                            createDisplayMode(DisplayModeId(1),
+                                                                              HI_FPS)),
+                                                  DisplayModeId(0));
 
     mock::SchedulerCallback mSchedulerCallback;
 
-    TestableScheduler* mScheduler = new TestableScheduler(mConfigs, mSchedulerCallback);
+    TestableScheduler* mScheduler = new TestableScheduler(mSelector, mSchedulerCallback);
 
     TestableSurfaceFlinger mFlinger;
 };
 
 namespace {
 
+TEST_F(LayerHistoryTest, singleLayerNoVoteDefaultCompatibility) {
+    const auto layer = createLayer();
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getDefaultFrameRateCompatibility())
+            .WillOnce(Return(LayerInfo::FrameRateCompatibility::NoVote));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = systemTime();
+
+    // No layers returned if no layers are active.
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(0, activeLayerCount());
+
+    history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
+    history().setDefaultFrameRateCompatibility(layer.get(), true /* contentDetectionEnabled */);
+
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(1, activeLayerCount());
+}
+
+TEST_F(LayerHistoryTest, singleLayerMinVoteDefaultCompatibility) {
+    const auto layer = createLayer();
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getDefaultFrameRateCompatibility())
+            .WillOnce(Return(LayerInfo::FrameRateCompatibility::Min));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = systemTime();
+
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(0, activeLayerCount());
+
+    history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
+    history().setDefaultFrameRateCompatibility(layer.get(), true /* contentDetectionEnabled */);
+
+    auto summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1, summarizeLayerHistory(time).size());
+
+    EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
+    EXPECT_EQ(1, activeLayerCount());
+}
+
 TEST_F(LayerHistoryTest, oneLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
diff --git a/services/surfaceflinger/tests/unittests/LayerLifecycleManagerTest.cpp b/services/surfaceflinger/tests/unittests/LayerLifecycleManagerTest.cpp
new file mode 100644
index 0000000000..89440a689c
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/LayerLifecycleManagerTest.cpp
@@ -0,0 +1,453 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include "FrontEnd/LayerHandle.h"
+#include "FrontEnd/LayerLifecycleManager.h"
+#include "Layer.h"
+#include "gui/SurfaceComposerClient.h"
+
+using namespace android::surfaceflinger;
+
+namespace android::surfaceflinger::frontend {
+
+namespace {
+LayerCreationArgs createArgs(uint32_t id, bool canBeRoot, wp<IBinder> parent, wp<IBinder> mirror) {
+    LayerCreationArgs args(nullptr, nullptr, "testlayer", 0, {}, std::make_optional(id));
+    args.addToRoot = canBeRoot;
+    args.parentHandle = parent;
+    args.mirrorLayerHandle = mirror;
+    return args;
+}
+} // namespace
+
+// To run test:
+/**
+ mp :libsurfaceflinger_unittest && adb sync; adb shell \
+    /data/nativetest/libsurfaceflinger_unittest/libsurfaceflinger_unittest \
+    --gtest_filter="LayerLifecycleManagerTest.*" --gtest_repeat=100 \
+    --gtest_shuffle \
+    --gtest_brief=1
+*/
+class ExpectLayerLifecycleListener : public LayerLifecycleManager::ILifecycleListener {
+public:
+    void onLayerAdded(const RequestedLayerState& layer) override {
+        mActualLayersAdded.emplace(layer.id);
+    };
+    void onLayerDestroyed(const RequestedLayerState& layer) override {
+        mActualLayersDestroyed.emplace(layer.id);
+    };
+
+    void expectLayersAdded(const std::unordered_set<uint32_t>& expectedLayersAdded) {
+        EXPECT_EQ(expectedLayersAdded, mActualLayersAdded);
+        mActualLayersAdded.clear();
+    }
+    void expectLayersDestroyed(const std::unordered_set<uint32_t>& expectedLayersDestroyed) {
+        EXPECT_EQ(expectedLayersDestroyed, mActualLayersDestroyed);
+        mActualLayersDestroyed.clear();
+    }
+
+    std::unordered_set<uint32_t> mActualLayersAdded;
+    std::unordered_set<uint32_t> mActualLayersDestroyed;
+};
+
+class LayerLifecycleManagerTest : public testing::Test {
+protected:
+    std::unique_ptr<RequestedLayerState> rootLayer(uint32_t id) {
+        return std::make_unique<RequestedLayerState>(
+                createArgs(/*id=*/id, /*canBeRoot=*/true, /*parent=*/nullptr, /*mirror=*/nullptr));
+    }
+
+    std::unique_ptr<RequestedLayerState> childLayer(uint32_t id, uint32_t parentId) {
+        mHandles[parentId] = sp<LayerHandle>::make(parentId);
+        return std::make_unique<RequestedLayerState>(createArgs(/*id=*/id, /*canBeRoot=*/false,
+                                                                /*parent=*/mHandles[parentId],
+                                                                /*mirror=*/nullptr));
+    }
+
+    TransactionState reparentLayer(uint32_t id, uint32_t newParentId) {
+        TransactionState transaction;
+        transaction.states.push_back({});
+
+        if (newParentId == UNASSIGNED_LAYER_ID) {
+            transaction.states.front().state.parentSurfaceControlForChild = nullptr;
+        } else {
+            transaction.states.front().state.parentSurfaceControlForChild =
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             sp<LayerHandle>::make(newParentId),
+                                             static_cast<int32_t>(newParentId), "Test");
+        }
+        transaction.states.front().state.what = layer_state_t::eReparent;
+        transaction.states.front().state.surface = sp<LayerHandle>::make(id);
+        return transaction;
+    }
+
+    TransactionState setLayer(uint32_t id, int32_t z) {
+        TransactionState transaction;
+        transaction.states.push_back({});
+        transaction.states.front().state.z = z;
+        transaction.states.front().state.what = layer_state_t::eLayerChanged;
+        transaction.states.front().state.surface = sp<LayerHandle>::make(id);
+        return transaction;
+    }
+
+    TransactionState makeRelative(uint32_t id, uint32_t relativeParentId) {
+        TransactionState transaction;
+        transaction.states.push_back({});
+
+        if (relativeParentId == UNASSIGNED_LAYER_ID) {
+            transaction.states.front().state.relativeLayerSurfaceControl = nullptr;
+        } else {
+            transaction.states.front().state.relativeLayerSurfaceControl =
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             sp<LayerHandle>::make(relativeParentId),
+                                             static_cast<int32_t>(relativeParentId), "Test");
+        }
+        transaction.states.front().state.what = layer_state_t::eRelativeLayerChanged;
+        transaction.states.front().state.surface = sp<LayerHandle>::make(id);
+        return transaction;
+    }
+
+    RequestedLayerState* getRequestedLayerState(LayerLifecycleManager& lifecycleManager,
+                                                uint32_t layerId) {
+        return lifecycleManager.getLayerFromId(layerId);
+    }
+
+    std::unordered_map<uint32_t, sp<LayerHandle>> mHandles;
+};
+
+TEST_F(LayerLifecycleManagerTest, addLayers) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(rootLayer(3));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.onHandlesDestroyed({1, 2, 3});
+    EXPECT_TRUE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    EXPECT_FALSE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    listener->expectLayersAdded({1, 2, 3});
+    listener->expectLayersDestroyed({1, 2, 3});
+}
+
+TEST_F(LayerLifecycleManagerTest, updateLayerStates) {
+    LayerLifecycleManager lifecycleManager;
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    lifecycleManager.addLayers(std::move(layers));
+
+    std::vector<TransactionState> transactions;
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.z = 2;
+    transactions.back().states.front().state.what = layer_state_t::eLayerChanged;
+    sp<LayerHandle> handle = sp<LayerHandle>::make(1u);
+    transactions.back().states.front().state.surface = handle;
+    lifecycleManager.applyTransactions(transactions);
+    transactions.clear();
+
+    auto& managedLayers = lifecycleManager.getLayers();
+    ASSERT_EQ(managedLayers.size(), 1u);
+
+    EXPECT_EQ(managedLayers.front()->z, 2);
+    EXPECT_TRUE(managedLayers.front()->changes.test(RequestedLayerState::Changes::Z));
+
+    EXPECT_TRUE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    EXPECT_FALSE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    ASSERT_EQ(managedLayers.size(), 1u);
+    EXPECT_FALSE(managedLayers.front()->changes.test(RequestedLayerState::Changes::Z));
+
+    // apply transactions that do not affect the hierarchy
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.backgroundBlurRadius = 22;
+    transactions.back().states.front().state.what = layer_state_t::eBackgroundBlurRadiusChanged;
+    transactions.back().states.front().state.surface = handle;
+    lifecycleManager.applyTransactions(transactions);
+    EXPECT_FALSE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    EXPECT_FALSE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    EXPECT_EQ(managedLayers.front()->backgroundBlurRadius, 22u);
+}
+
+TEST_F(LayerLifecycleManagerTest, layerWithoutHandleIsDestroyed) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.onHandlesDestroyed({1});
+    lifecycleManager.commitChanges();
+
+    SCOPED_TRACE("layerWithoutHandleIsDestroyed");
+    listener->expectLayersAdded({1, 2});
+    listener->expectLayersDestroyed({1});
+}
+
+TEST_F(LayerLifecycleManagerTest, rootLayerWithoutHandleIsDestroyed) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.onHandlesDestroyed({1});
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2});
+    listener->expectLayersDestroyed({1});
+}
+
+TEST_F(LayerLifecycleManagerTest, offscreenLayerIsDestroyed) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({reparentLayer(3, UNASSIGNED_LAYER_ID)});
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.onHandlesDestroyed({3});
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({3});
+}
+
+TEST_F(LayerLifecycleManagerTest, offscreenChildLayerWithHandleIsNotDestroyed) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    layers.emplace_back(childLayer(4, /*parent*/ 3));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3, 4});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({reparentLayer(3, UNASSIGNED_LAYER_ID)});
+    lifecycleManager.onHandlesDestroyed({3});
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({3});
+}
+
+TEST_F(LayerLifecycleManagerTest, offscreenChildLayerWithoutHandleIsDestroyed) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    layers.emplace_back(childLayer(4, /*parent*/ 3));
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3, 4});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({reparentLayer(3, UNASSIGNED_LAYER_ID)});
+    lifecycleManager.onHandlesDestroyed({3, 4});
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({3, 4});
+}
+
+TEST_F(LayerLifecycleManagerTest, reparentingDoesNotAffectRelativeZ) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    layers.emplace_back(childLayer(4, /*parent*/ 3));
+
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3, 4});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({makeRelative(4, 1)});
+    EXPECT_TRUE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+    lifecycleManager.applyTransactions({reparentLayer(4, 2)});
+    EXPECT_TRUE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({});
+}
+
+TEST_F(LayerLifecycleManagerTest, reparentingToNullRemovesRelativeZ) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    layers.emplace_back(childLayer(4, /*parent*/ 3));
+
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3, 4});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({makeRelative(4, 1)});
+    EXPECT_TRUE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+    lifecycleManager.applyTransactions({reparentLayer(4, UNASSIGNED_LAYER_ID)});
+    EXPECT_FALSE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({});
+}
+
+TEST_F(LayerLifecycleManagerTest, setZRemovesRelativeZ) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    layers.emplace_back(rootLayer(2));
+    layers.emplace_back(childLayer(3, /*parent*/ 2));
+    layers.emplace_back(childLayer(4, /*parent*/ 3));
+
+    lifecycleManager.addLayers(std::move(layers));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2, 3, 4});
+    listener->expectLayersDestroyed({});
+
+    lifecycleManager.applyTransactions({makeRelative(4, 1)});
+    EXPECT_TRUE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+    lifecycleManager.applyTransactions({setLayer(4, 1)});
+    EXPECT_FALSE(getRequestedLayerState(lifecycleManager, 4)->isRelativeOf);
+
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({});
+    listener->expectLayersDestroyed({});
+}
+
+TEST_F(LayerLifecycleManagerTest, canAddBackgroundLayer) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    lifecycleManager.addLayers(std::move(layers));
+
+    std::vector<TransactionState> transactions;
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.bgColorAlpha = 0.5;
+    transactions.back().states.front().state.what = layer_state_t::eBackgroundColorChanged;
+    sp<LayerHandle> handle = sp<LayerHandle>::make(1u);
+    transactions.back().states.front().state.surface = handle;
+    lifecycleManager.applyTransactions(transactions);
+
+    auto& managedLayers = lifecycleManager.getLayers();
+    ASSERT_EQ(managedLayers.size(), 2u);
+
+    EXPECT_TRUE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2});
+    listener->expectLayersDestroyed({});
+    EXPECT_EQ(getRequestedLayerState(lifecycleManager, 2)->color.a, 0.5_hf);
+}
+
+TEST_F(LayerLifecycleManagerTest, canDestroyBackgroundLayer) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    lifecycleManager.addLayers(std::move(layers));
+
+    std::vector<TransactionState> transactions;
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.bgColorAlpha = 0.5;
+    transactions.back().states.front().state.what = layer_state_t::eBackgroundColorChanged;
+    sp<LayerHandle> handle = sp<LayerHandle>::make(1u);
+    transactions.back().states.front().state.surface = handle;
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.bgColorAlpha = 0;
+    transactions.back().states.front().state.what = layer_state_t::eBackgroundColorChanged;
+    transactions.back().states.front().state.surface = handle;
+
+    lifecycleManager.applyTransactions(transactions);
+
+    ASSERT_EQ(lifecycleManager.getLayers().size(), 1u);
+    ASSERT_EQ(lifecycleManager.getDestroyedLayers().size(), 1u);
+
+    EXPECT_TRUE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2});
+    listener->expectLayersDestroyed({2});
+}
+
+TEST_F(LayerLifecycleManagerTest, onParentDestroyDestroysBackgroundLayer) {
+    LayerLifecycleManager lifecycleManager;
+    auto listener = std::make_shared<ExpectLayerLifecycleListener>();
+    lifecycleManager.addLifecycleListener(listener);
+
+    std::vector<std::unique_ptr<RequestedLayerState>> layers;
+    layers.emplace_back(rootLayer(1));
+    lifecycleManager.addLayers(std::move(layers));
+
+    std::vector<TransactionState> transactions;
+    transactions.emplace_back();
+    transactions.back().states.push_back({});
+    transactions.back().states.front().state.bgColorAlpha = 0.5;
+    transactions.back().states.front().state.what = layer_state_t::eBackgroundColorChanged;
+    sp<LayerHandle> handle = sp<LayerHandle>::make(1u);
+    transactions.back().states.front().state.surface = handle;
+    transactions.emplace_back();
+    lifecycleManager.applyTransactions(transactions);
+    lifecycleManager.onHandlesDestroyed({1});
+
+    ASSERT_EQ(lifecycleManager.getLayers().size(), 0u);
+    ASSERT_EQ(lifecycleManager.getDestroyedLayers().size(), 2u);
+
+    EXPECT_TRUE(lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy));
+    lifecycleManager.commitChanges();
+    listener->expectLayersAdded({1, 2});
+    listener->expectLayersDestroyed({1, 2});
+}
+
+} // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp b/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
index 373fd74020..e6e02c1806 100644
--- a/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
@@ -27,6 +27,8 @@
 #include <gui/LayerMetadata.h>
 #include <log/log.h>
 
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace {
 
@@ -113,4 +115,4 @@ TEST_F(LayerMetadataTest, merge) {
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
\ No newline at end of file
+#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/tests/unittests/LayerTest.cpp b/services/surfaceflinger/tests/unittests/LayerTest.cpp
index 4974f90383..95e54f655b 100644
--- a/services/surfaceflinger/tests/unittests/LayerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerTest.cpp
@@ -17,7 +17,6 @@
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
-#include <EffectLayer.h>
 #include <gtest/gtest.h>
 #include <ui/FloatRect.h>
 #include <ui/Transform.h>
diff --git a/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp b/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
index 5a2c1479bb..ee42e19c34 100644
--- a/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
@@ -29,13 +29,13 @@ sp<Layer> BufferStateLayerFactory::createLayer(TestableSurfaceFlinger& flinger)
     sp<Client> client;
     LayerCreationArgs args(flinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS,
                            LayerMetadata());
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 sp<Layer> EffectLayerFactory::createLayer(TestableSurfaceFlinger& flinger) {
     sp<Client> client;
     LayerCreationArgs args(flinger.flinger(), client, "color-layer", LAYER_FLAGS, LayerMetadata());
-    return new EffectLayer(args);
+    return sp<Layer>::make(args);
 }
 
 std::string PrintToStringParamName(
@@ -53,13 +53,15 @@ void BaseLayerTest::setupScheduler() {
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/LayerTestUtils.h b/services/surfaceflinger/tests/unittests/LayerTestUtils.h
index fc9b6a27aa..ab446fafeb 100644
--- a/services/surfaceflinger/tests/unittests/LayerTestUtils.h
+++ b/services/surfaceflinger/tests/unittests/LayerTestUtils.h
@@ -23,8 +23,6 @@
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
index e0aa0b1768..5e1042e91f 100644
--- a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
@@ -32,8 +32,9 @@ using namespace testing;
 using CallbackToken = scheduler::VSyncDispatch::CallbackToken;
 
 struct NoOpCompositor final : ICompositor {
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 } gNoOpCompositor;
 
@@ -41,12 +42,15 @@ class TestableMessageQueue : public impl::MessageQueue {
     struct MockHandler : MessageQueue::Handler {
         using MessageQueue::Handler::Handler;
 
-        MOCK_METHOD(void, dispatchFrame, (int64_t, nsecs_t), (override));
+        MOCK_METHOD(void, dispatchFrame, (VsyncId, TimePoint), (override));
     };
 
     explicit TestableMessageQueue(sp<MockHandler> handler)
           : impl::MessageQueue(gNoOpCompositor, handler), mHandler(std::move(handler)) {}
 
+    // impl::MessageQueue overrides:
+    void onFrameSignal(ICompositor&, VsyncId, TimePoint) override {}
+
 public:
     TestableMessageQueue() : TestableMessageQueue(sp<MockHandler>::make(*this)) {}
 
@@ -71,7 +75,7 @@ struct MockTokenManager : frametimeline::TokenManager {
 struct MessageQueueTest : testing::Test {
     void SetUp() override {
         EXPECT_CALL(mVSyncDispatch, registerCallback(_, "sf")).WillOnce(Return(mCallbackToken));
-        EXPECT_NO_FATAL_FAILURE(mEventQueue.initVsync(mVSyncDispatch, mTokenManager, mDuration));
+        EXPECT_NO_FATAL_FAILURE(mEventQueue.initVsync(mVSyncDispatch, mTokenManager, kDuration));
         EXPECT_CALL(mVSyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
     }
 
@@ -80,16 +84,15 @@ struct MessageQueueTest : testing::Test {
     TestableMessageQueue mEventQueue;
 
     const CallbackToken mCallbackToken{5};
-    constexpr static auto mDuration = std::chrono::nanoseconds(100ms);
-    constexpr static auto mDifferentDuration = std::chrono::nanoseconds(250ms);
+
+    static constexpr Duration kDuration = 100ms;
+    static constexpr Duration kDifferentDuration = 250ms;
 };
 
 namespace {
-/* ------------------------------------------------------------------------
- * Test cases
- */
+
 TEST_F(MessageQueueTest, commit) {
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
     EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
@@ -103,7 +106,7 @@ TEST_F(MessageQueueTest, commit) {
 
 TEST_F(MessageQueueTest, commitTwice) {
     InSequence s;
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
 
@@ -122,7 +125,7 @@ TEST_F(MessageQueueTest, commitTwice) {
 
 TEST_F(MessageQueueTest, commitTwiceWithCallback) {
     InSequence s;
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
 
@@ -132,33 +135,36 @@ TEST_F(MessageQueueTest, commitTwiceWithCallback) {
     ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
     EXPECT_EQ(1234, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
 
-    const auto startTime = 100;
-    const auto endTime = startTime + mDuration.count();
-    const auto presentTime = 500;
-    const auto vsyncId = 42;
+    constexpr TimePoint kStartTime = TimePoint::fromNs(100);
+    constexpr TimePoint kEndTime = kStartTime + kDuration;
+    constexpr TimePoint kPresentTime = TimePoint::fromNs(500);
+    constexpr VsyncId vsyncId{42};
+
     EXPECT_CALL(mTokenManager,
-                generateTokenForPredictions(
-                        frametimeline::TimelineItem(startTime, endTime, presentTime)))
-            .WillOnce(Return(vsyncId));
-    EXPECT_CALL(*mEventQueue.mHandler, dispatchFrame(vsyncId, presentTime)).Times(1);
-    EXPECT_NO_FATAL_FAILURE(mEventQueue.vsyncCallback(presentTime, startTime, endTime));
+                generateTokenForPredictions(frametimeline::TimelineItem(kStartTime.ns(),
+                                                                        kEndTime.ns(),
+                                                                        kPresentTime.ns())))
+            .WillOnce(Return(vsyncId.value));
+    EXPECT_CALL(*mEventQueue.mHandler, dispatchFrame(vsyncId, kPresentTime)).Times(1);
+    EXPECT_NO_FATAL_FAILURE(
+            mEventQueue.vsyncCallback(kPresentTime.ns(), kStartTime.ns(), kEndTime.ns()));
 
     EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
 
     const auto timingAfterCallback =
-            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                      .readyDuration = 0,
-                                                     .earliestVsync = presentTime};
+                                                     .earliestVsync = kPresentTime.ns()};
 
     EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timingAfterCallback)).WillOnce(Return(0));
     EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
 }
 
 TEST_F(MessageQueueTest, commitWithDurationChange) {
-    EXPECT_NO_FATAL_FAILURE(mEventQueue.setDuration(mDifferentDuration));
+    EXPECT_NO_FATAL_FAILURE(mEventQueue.setDuration(kDifferentDuration));
 
     const auto timing =
-            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDifferentDuration.count(),
+            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDifferentDuration.ns(),
                                                      .readyDuration = 0,
                                                      .earliestVsync = 0};
 
diff --git a/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp b/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
index 8711a42b2b..2d66d3cf92 100644
--- a/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
@@ -39,15 +39,15 @@ class PowerAdvisorTest : public testing::Test {
 public:
     void SetUp() override;
     void startPowerHintSession();
-    void fakeBasicFrameTiming(nsecs_t startTime, nsecs_t vsyncPeriod);
-    void setExpectedTiming(nsecs_t startTime, nsecs_t vsyncPeriod);
-    nsecs_t getFenceWaitDelayDuration(bool skipValidate);
+    void fakeBasicFrameTiming(TimePoint startTime, Duration vsyncPeriod);
+    void setExpectedTiming(Duration totalFrameTargetDuration, TimePoint expectedPresentTime);
+    Duration getFenceWaitDelayDuration(bool skipValidate);
 
 protected:
     TestableSurfaceFlinger mFlinger;
     std::unique_ptr<PowerAdvisor> mPowerAdvisor;
     NiceMock<MockAidlPowerHalWrapper>* mMockAidlWrapper;
-    nsecs_t kErrorMargin = std::chrono::nanoseconds(1ms).count();
+    Duration kErrorMargin = 1ms;
 };
 
 void PowerAdvisorTest::SetUp() FTL_FAKE_GUARD(mPowerAdvisor->mPowerHalMutex) {
@@ -67,21 +67,21 @@ void PowerAdvisorTest::startPowerHintSession() {
     mPowerAdvisor->startPowerHintSession(threadIds);
 }
 
-void PowerAdvisorTest::setExpectedTiming(nsecs_t totalFrameTarget, nsecs_t expectedPresentTime) {
-    mPowerAdvisor->setTotalFrameTargetWorkDuration(totalFrameTarget);
+void PowerAdvisorTest::setExpectedTiming(Duration totalFrameTargetDuration,
+                                         TimePoint expectedPresentTime) {
+    mPowerAdvisor->setTotalFrameTargetWorkDuration(totalFrameTargetDuration);
     mPowerAdvisor->setExpectedPresentTime(expectedPresentTime);
 }
 
-void PowerAdvisorTest::fakeBasicFrameTiming(nsecs_t startTime, nsecs_t vsyncPeriod) {
+void PowerAdvisorTest::fakeBasicFrameTiming(TimePoint startTime, Duration vsyncPeriod) {
     mPowerAdvisor->setCommitStart(startTime);
-    mPowerAdvisor->setFrameDelay(0);
+    mPowerAdvisor->setFrameDelay(0ns);
     mPowerAdvisor->setTargetWorkDuration(vsyncPeriod);
 }
 
-nsecs_t PowerAdvisorTest::getFenceWaitDelayDuration(bool skipValidate) {
+Duration PowerAdvisorTest::getFenceWaitDelayDuration(bool skipValidate) {
     return (skipValidate ? PowerAdvisor::kFenceWaitStartDelaySkippedValidate
-                         : PowerAdvisor::kFenceWaitStartDelayValidated)
-            .count();
+                         : PowerAdvisor::kFenceWaitStartDelayValidated);
 }
 
 namespace {
@@ -93,11 +93,11 @@ TEST_F(PowerAdvisorTest, hintSessionUseHwcDisplay) {
     std::vector<DisplayId> displayIds{PhysicalDisplayId::fromPort(42u)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
-    const nsecs_t presentDuration = std::chrono::nanoseconds(5ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
+    const Duration presentDuration = 5ms;
+    const Duration postCompDuration = 1ms;
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -109,14 +109,14 @@ TEST_F(PowerAdvisorTest, hintSessionUseHwcDisplay) {
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration + postCompDuration;
+    const Duration expectedDuration = kErrorMargin + presentDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
     setExpectedTiming(vsyncPeriod, startTime + vsyncPeriod);
     mPowerAdvisor->setDisplays(displayIds);
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 2500000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 2500us);
     mPowerAdvisor->setSfPresentTiming(startTime, startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
@@ -128,12 +128,12 @@ TEST_F(PowerAdvisorTest, hintSessionSubtractsHwcFenceTime) {
     std::vector<DisplayId> displayIds{PhysicalDisplayId::fromPort(42u)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
-    const nsecs_t presentDuration = std::chrono::nanoseconds(5ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
-    const nsecs_t hwcBlockedDuration = std::chrono::nanoseconds(500us).count();
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
+    const Duration presentDuration = 5ms;
+    const Duration postCompDuration = 1ms;
+    const Duration hwcBlockedDuration = 500us;
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -145,17 +145,17 @@ TEST_F(PowerAdvisorTest, hintSessionSubtractsHwcFenceTime) {
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration +
+    const Duration expectedDuration = kErrorMargin + presentDuration +
             getFenceWaitDelayDuration(false) - hwcBlockedDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
     setExpectedTiming(vsyncPeriod, startTime + vsyncPeriod);
     mPowerAdvisor->setDisplays(displayIds);
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 3000000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 3ms);
     // now report the fence as having fired during the display HWC time
-    mPowerAdvisor->setSfPresentTiming(startTime + 2000000 + hwcBlockedDuration,
+    mPowerAdvisor->setSfPresentTiming(startTime + 2ms + hwcBlockedDuration,
                                       startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
@@ -168,12 +168,12 @@ TEST_F(PowerAdvisorTest, hintSessionUsingSecondaryVirtualDisplays) {
                                       GpuVirtualDisplayId(1)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
     // make present duration much later than the hwc display by itself will account for
-    const nsecs_t presentDuration = std::chrono::nanoseconds(10ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
+    const Duration presentDuration{10ms};
+    const Duration postCompDuration{1ms};
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -185,7 +185,7 @@ TEST_F(PowerAdvisorTest, hintSessionUsingSecondaryVirtualDisplays) {
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration + postCompDuration;
+    const Duration expectedDuration = kErrorMargin + presentDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -193,8 +193,8 @@ TEST_F(PowerAdvisorTest, hintSessionUsingSecondaryVirtualDisplays) {
     mPowerAdvisor->setDisplays(displayIds);
 
     // don't report timing for the gpu displays since they don't use hwc
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 2500000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 2500us);
     mPowerAdvisor->setSfPresentTiming(startTime, startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
deleted file mode 100644
index 188fd58dea..0000000000
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ /dev/null
@@ -1,2077 +0,0 @@
-/*
- * Copyright 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#undef LOG_TAG
-#define LOG_TAG "SchedulerUnittests"
-
-#include <ftl/enum.h>
-#include <gmock/gmock.h>
-#include <log/log.h>
-#include <ui/Size.h>
-
-#include "DisplayHardware/HWC2.h"
-#include "FpsOps.h"
-#include "Scheduler/RefreshRateConfigs.h"
-#include "mock/DisplayHardware/MockDisplayMode.h"
-
-using namespace std::chrono_literals;
-
-namespace android::scheduler {
-
-namespace hal = android::hardware::graphics::composer::hal;
-
-using LayerVoteType = RefreshRateConfigs::LayerVoteType;
-using LayerRequirement = RefreshRateConfigs::LayerRequirement;
-
-using mock::createDisplayMode;
-
-struct TestableRefreshRateConfigs : RefreshRateConfigs {
-    using RefreshRateConfigs::RefreshRateConfigs;
-
-    DisplayModePtr getMinSupportedRefreshRate() const {
-        std::lock_guard lock(mLock);
-        return mMinRefreshRateModeIt->second;
-    }
-
-    DisplayModePtr getMaxSupportedRefreshRate() const {
-        std::lock_guard lock(mLock);
-        return mMaxRefreshRateModeIt->second;
-    }
-
-    DisplayModePtr getMinRefreshRateByPolicy() const {
-        std::lock_guard lock(mLock);
-        return getMinRefreshRateByPolicyLocked();
-    }
-
-    const std::vector<Fps>& knownFrameRates() const { return mKnownFrameRates; }
-
-    using RefreshRateConfigs::GetBestRefreshRateCache;
-    auto& mutableGetBestRefreshRateCache() { return mGetBestRefreshRateCache; }
-
-    auto getBestRefreshRateAndSignals(const std::vector<LayerRequirement>& layers,
-                                      GlobalSignals signals) const {
-        return RefreshRateConfigs::getBestRefreshRate(layers, signals);
-    }
-
-    DisplayModePtr getBestRefreshRate(const std::vector<LayerRequirement>& layers = {},
-                                      GlobalSignals signals = {}) const {
-        return getBestRefreshRateAndSignals(layers, signals).first;
-    }
-};
-
-class RefreshRateConfigsTest : public testing::Test {
-protected:
-    RefreshRateConfigsTest();
-    ~RefreshRateConfigsTest();
-
-    static constexpr DisplayModeId kModeId60{0};
-    static constexpr DisplayModeId kModeId90{1};
-    static constexpr DisplayModeId kModeId72{2};
-    static constexpr DisplayModeId kModeId120{3};
-    static constexpr DisplayModeId kModeId30{4};
-    static constexpr DisplayModeId kModeId25{5};
-    static constexpr DisplayModeId kModeId50{6};
-    static constexpr DisplayModeId kModeId24{7};
-    static constexpr DisplayModeId kModeId24Frac{8};
-    static constexpr DisplayModeId kModeId30Frac{9};
-    static constexpr DisplayModeId kModeId60Frac{10};
-
-    static inline const DisplayModePtr kMode60 = createDisplayMode(kModeId60, 60_Hz);
-    static inline const DisplayModePtr kMode60Frac = createDisplayMode(kModeId60Frac, 59.94_Hz);
-    static inline const DisplayModePtr kMode90 = createDisplayMode(kModeId90, 90_Hz);
-    static inline const DisplayModePtr kMode90_G1 = createDisplayMode(kModeId90, 90_Hz, 1);
-    static inline const DisplayModePtr kMode90_4K =
-            createDisplayMode(kModeId90, 90_Hz, 0, {3840, 2160});
-    static inline const DisplayModePtr kMode72 = createDisplayMode(kModeId72, 72_Hz);
-    static inline const DisplayModePtr kMode72_G1 = createDisplayMode(kModeId72, 72_Hz, 1);
-    static inline const DisplayModePtr kMode120 = createDisplayMode(kModeId120, 120_Hz);
-    static inline const DisplayModePtr kMode120_G1 = createDisplayMode(kModeId120, 120_Hz, 1);
-    static inline const DisplayModePtr kMode30 = createDisplayMode(kModeId30, 30_Hz);
-    static inline const DisplayModePtr kMode30_G1 = createDisplayMode(kModeId30, 30_Hz, 1);
-    static inline const DisplayModePtr kMode30Frac = createDisplayMode(kModeId30Frac, 29.97_Hz);
-    static inline const DisplayModePtr kMode25 = createDisplayMode(kModeId25, 25_Hz);
-    static inline const DisplayModePtr kMode25_G1 = createDisplayMode(kModeId25, 25_Hz, 1);
-    static inline const DisplayModePtr kMode50 = createDisplayMode(kModeId50, 50_Hz);
-    static inline const DisplayModePtr kMode24 = createDisplayMode(kModeId24, 24_Hz);
-    static inline const DisplayModePtr kMode24Frac = createDisplayMode(kModeId24Frac, 23.976_Hz);
-
-    // Test configurations.
-    static inline const DisplayModes kModes_60 = makeModes(kMode60);
-    static inline const DisplayModes kModes_60_90 = makeModes(kMode60, kMode90);
-    static inline const DisplayModes kModes_60_90_G1 = makeModes(kMode60, kMode90_G1);
-    static inline const DisplayModes kModes_60_90_4K = makeModes(kMode60, kMode90_4K);
-    static inline const DisplayModes kModes_60_72_90 = makeModes(kMode60, kMode90, kMode72);
-    static inline const DisplayModes kModes_60_90_72_120 =
-            makeModes(kMode60, kMode90, kMode72, kMode120);
-    static inline const DisplayModes kModes_30_60_72_90_120 =
-            makeModes(kMode60, kMode90, kMode72, kMode120, kMode30);
-
-    static inline const DisplayModes kModes_30_60 =
-            makeModes(kMode60, kMode90_G1, kMode72_G1, kMode120_G1, kMode30);
-    static inline const DisplayModes kModes_30_60_72_90 =
-            makeModes(kMode60, kMode90, kMode72, kMode120_G1, kMode30);
-    static inline const DisplayModes kModes_30_60_90 =
-            makeModes(kMode60, kMode90, kMode72_G1, kMode120_G1, kMode30);
-    static inline const DisplayModes kModes_25_30_50_60 =
-            makeModes(kMode60, kMode90, kMode72_G1, kMode120_G1, kMode30_G1, kMode25_G1, kMode50);
-    static inline const DisplayModes kModes_60_120 = makeModes(kMode60, kMode120);
-
-    // This is a typical TV configuration.
-    static inline const DisplayModes kModes_24_25_30_50_60_Frac =
-            makeModes(kMode24, kMode24Frac, kMode25, kMode30, kMode30Frac, kMode50, kMode60,
-                      kMode60Frac);
-};
-
-RefreshRateConfigsTest::RefreshRateConfigsTest() {
-    const ::testing::TestInfo* const test_info =
-            ::testing::UnitTest::GetInstance()->current_test_info();
-    ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
-}
-
-RefreshRateConfigsTest::~RefreshRateConfigsTest() {
-    const ::testing::TestInfo* const test_info =
-            ::testing::UnitTest::GetInstance()->current_test_info();
-    ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
-}
-
-namespace {
-
-TEST_F(RefreshRateConfigsTest, oneMode_canSwitch) {
-    RefreshRateConfigs configs(kModes_60, kModeId60);
-    EXPECT_FALSE(configs.canSwitch());
-}
-
-TEST_F(RefreshRateConfigsTest, invalidPolicy) {
-    RefreshRateConfigs configs(kModes_60, kModeId60);
-    EXPECT_LT(configs.setDisplayManagerPolicy({DisplayModeId(10), {60_Hz, 60_Hz}}), 0);
-    EXPECT_LT(configs.setDisplayManagerPolicy({kModeId60, {20_Hz, 40_Hz}}), 0);
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_storesFullRefreshRateMap) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    const auto minRate = configs.getMinSupportedRefreshRate();
-    const auto performanceRate = configs.getMaxSupportedRefreshRate();
-
-    EXPECT_EQ(kMode60, minRate);
-    EXPECT_EQ(kMode90, performanceRate);
-
-    const auto minRateByPolicy = configs.getMinRefreshRateByPolicy();
-    const auto performanceRateByPolicy = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(minRateByPolicy, minRate);
-    EXPECT_EQ(performanceRateByPolicy, performanceRate);
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_storesFullRefreshRateMap_differentGroups) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    const auto minRate = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate = configs.getMaxSupportedRefreshRate();
-    const auto minRate60 = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate60 = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode60, minRate);
-    EXPECT_EQ(kMode60, minRate60);
-    EXPECT_EQ(kMode60, performanceRate60);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}), 0);
-    configs.setActiveModeId(kModeId90);
-
-    const auto minRate90 = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate90 = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode90_G1, performanceRate);
-    EXPECT_EQ(kMode90_G1, minRate90);
-    EXPECT_EQ(kMode90_G1, performanceRate90);
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_storesFullRefreshRateMap_differentResolutions) {
-    TestableRefreshRateConfigs configs(kModes_60_90_4K, kModeId60);
-
-    const auto minRate = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate = configs.getMaxSupportedRefreshRate();
-    const auto minRate60 = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate60 = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode60, minRate);
-    EXPECT_EQ(kMode60, minRate60);
-    EXPECT_EQ(kMode60, performanceRate60);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}), 0);
-    configs.setActiveModeId(kModeId90);
-
-    const auto minRate90 = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate90 = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode90_4K, performanceRate);
-    EXPECT_EQ(kMode90_4K, minRate90);
-    EXPECT_EQ(kMode90_4K, performanceRate90);
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_policyChange) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    const auto minRate = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode60, minRate);
-    EXPECT_EQ(kMode90, performanceRate);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
-
-    const auto minRate60 = configs.getMinRefreshRateByPolicy();
-    const auto performanceRate60 = configs.getMaxRefreshRateByPolicy();
-
-    EXPECT_EQ(kMode60, minRate60);
-    EXPECT_EQ(kMode60, performanceRate60);
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_getActiveMode) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-    {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId60);
-    }
-
-    configs.setActiveModeId(kModeId90);
-    {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId90);
-    }
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
-    {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId90);
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_noLayers) {
-    {
-        TestableRefreshRateConfigs configs(kModes_60_72_90, kModeId72);
-
-        // If there are no layers we select the default frame rate, which is the max of the primary
-        // range.
-        EXPECT_EQ(kMode90, configs.getBestRefreshRate());
-
-        EXPECT_EQ(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), NO_ERROR);
-        EXPECT_EQ(kMode60, configs.getBestRefreshRate());
-    }
-    {
-        // We select max even when this will cause a non-seamless switch.
-        TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-        constexpr bool kAllowGroupSwitching = true;
-        EXPECT_EQ(configs.setDisplayManagerPolicy({kModeId90, kAllowGroupSwitching, {0_Hz, 90_Hz}}),
-                  NO_ERROR);
-        EXPECT_EQ(kMode90_G1, configs.getBestRefreshRate());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_60_90) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::Min;
-    lr.name = "Min";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    lr.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    lr.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    lr.name = "45Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    lr.name = "30Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    lr.name = "24Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.name = "";
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
-
-    lr.vote = LayerVoteType::Min;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
-
-    lr.vote = LayerVoteType::Min;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 120_Hz}}), 0);
-    lr.vote = LayerVoteType::Min;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_multipleThreshold_60_90) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60, {.frameRateMultipleThreshold = 90});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::Min;
-    lr.name = "Min";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    lr.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    lr.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    lr.name = "45Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    lr.name = "30Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    lr.name = "24Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_60_72_90) {
-    TestableRefreshRateConfigs configs(kModes_60_72_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::Min;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_72_90_120) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 48_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 48_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_90_120_DifferentTypes) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "60Hz ExplicitDefault";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.name = "24Hz Heuristic";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz ExplicitDefault";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz ExplicitDefault";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.name = "90Hz ExplicitExactOrMultiple";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_90_120_DifferentTypes_multipleThreshold) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60,
-                                       {.frameRateMultipleThreshold = 120});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-    auto& lr3 = layers[2];
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "60Hz ExplicitDefault";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.name = "24Hz Heuristic";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz ExplicitDefault";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "90Hz ExplicitDefault";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.name = "24Hz ExplicitDefault";
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.name = "90Hz ExplicitExactOrMultiple";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Max;
-    lr2.name = "Max";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 120_Hz;
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.name = "120Hz ExplicitDefault";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 24_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "24Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 120_Hz;
-    lr2.vote = LayerVoteType::ExplicitExact;
-    lr2.name = "120Hz ExplicitExact";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 10_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "30Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 120_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.name = "120Hz ExplicitExact";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    lr1.desiredRefreshRate = 30_Hz;
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.name = "30Hz ExplicitExactOrMultiple";
-    lr2.desiredRefreshRate = 30_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.name = "30Hz ExplicitExactOrMultiple";
-    lr3.vote = LayerVoteType::Heuristic;
-    lr3.desiredRefreshRate = 120_Hz;
-    lr3.name = "120Hz Heuristic";
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60) {
-    TestableRefreshRateConfigs configs(kModes_30_60, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::Min;
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 30_Hz;
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_30_60_72_90) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::Min;
-    lr.name = "Min";
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    lr.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 90_Hz;
-    lr.vote = LayerVoteType::Heuristic;
-    lr.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Heuristic";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr.desiredRefreshRate = 45_Hz;
-    lr.name = "45Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr.desiredRefreshRate = 30_Hz;
-    lr.name = "30Hz Heuristic";
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr.desiredRefreshRate = 24_Hz;
-    lr.name = "24Hz Heuristic";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr.desiredRefreshRate = 24_Hz;
-    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr.name = "24Hz ExplicitExactOrMultiple";
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_PriorityTest) {
-    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.vote = LayerVoteType::Min;
-    lr2.vote = LayerVoteType::Max;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Min;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Min;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 24_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Max;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Max;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.desiredRefreshRate = 15_Hz;
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.desiredRefreshRate = 30_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 45_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_24FpsVideo) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-    for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
-        lr.desiredRefreshRate = Fps::fromValue(fps);
-        const auto mode = configs.getBestRefreshRate(layers);
-        EXPECT_EQ(kMode60, mode) << lr.desiredRefreshRate << " chooses "
-                                 << to_string(mode->getFps());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_24FpsVideo_multipleThreshold_60_120) {
-    TestableRefreshRateConfigs configs(kModes_60_120, kModeId60,
-                                       {.frameRateMultipleThreshold = 120});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-    for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
-        lr.desiredRefreshRate = Fps::fromValue(fps);
-        const auto mode = configs.getBestRefreshRate(layers);
-        EXPECT_EQ(kMode60, mode) << lr.desiredRefreshRate << " chooses "
-                                 << to_string(mode->getFps());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, twoModes_getBestRefreshRate_Explicit) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 90_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::Heuristic;
-    lr1.desiredRefreshRate = 90_Hz;
-    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr2.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_75HzContent) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-    for (float fps = 75.0f; fps < 100.0f; fps += 0.1f) {
-        lr.desiredRefreshRate = Fps::fromValue(fps);
-        const auto mode = configs.getBestRefreshRate(layers, {});
-        EXPECT_EQ(kMode90, mode) << lr.desiredRefreshRate << " chooses "
-                                 << to_string(mode->getFps());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_Multiples) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::ExplicitDefault;
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.name = "90Hz ExplicitDefault";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Max;
-    lr2.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 30_Hz;
-    lr1.name = "30Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 30_Hz;
-    lr1.name = "30Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Max;
-    lr2.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, scrollWhileWatching60fps_60_90) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::NoVote;
-    lr2.name = "NoVote";
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::NoVote;
-    lr2.name = "NoVote";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Max;
-    lr2.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Max;
-    lr2.name = "Max";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    // The other layer starts to provide buffers
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 90_Hz;
-    lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, touchConsidered) {
-    RefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    auto [_, signals] = configs.getBestRefreshRate({}, {});
-    EXPECT_FALSE(signals.touch);
-
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate({}, {.touch = true});
-    EXPECT_TRUE(signals.touch);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
-    auto& lr1 = layers[0];
-    auto& lr2 = layers[1];
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
-    EXPECT_TRUE(signals.touch);
-
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
-    EXPECT_FALSE(signals.touch);
-
-    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
-    EXPECT_TRUE(signals.touch);
-
-    lr1.vote = LayerVoteType::ExplicitDefault;
-    lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
-    lr2.vote = LayerVoteType::Heuristic;
-    lr2.desiredRefreshRate = 60_Hz;
-    lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
-    EXPECT_FALSE(signals.touch);
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitDefault) {
-    TestableRefreshRateConfigs configs(kModes_60_90_72_120, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    // Prepare a table with the vote and the expected refresh rate
-    const std::initializer_list<std::pair<Fps, Fps>> testCases = {
-            {130_Hz, 120_Hz}, {120_Hz, 120_Hz}, {119_Hz, 120_Hz}, {110_Hz, 120_Hz},
-
-            {100_Hz, 90_Hz},  {90_Hz, 90_Hz},   {89_Hz, 90_Hz},
-
-            {80_Hz, 72_Hz},   {73_Hz, 72_Hz},   {72_Hz, 72_Hz},   {71_Hz, 72_Hz},   {70_Hz, 72_Hz},
-
-            {65_Hz, 60_Hz},   {60_Hz, 60_Hz},   {59_Hz, 60_Hz},   {58_Hz, 60_Hz},
-
-            {55_Hz, 90_Hz},   {50_Hz, 90_Hz},   {45_Hz, 90_Hz},
-
-            {42_Hz, 120_Hz},  {40_Hz, 120_Hz},  {39_Hz, 120_Hz},
-
-            {37_Hz, 72_Hz},   {36_Hz, 72_Hz},   {35_Hz, 72_Hz},
-
-            {30_Hz, 60_Hz},
-    };
-
-    for (auto [desired, expected] : testCases) {
-        lr.vote = LayerVoteType::ExplicitDefault;
-        lr.desiredRefreshRate = desired;
-
-        std::stringstream ss;
-        ss << "ExplicitDefault " << desired;
-        lr.name = ss.str();
-
-        EXPECT_EQ(expected, configs.getBestRefreshRate(layers)->getFps());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest,
-       getBestRefreshRate_ExplicitExactOrMultiple_WithFractionalRefreshRates) {
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    // Test that 23.976 will choose 24 if 23.976 is not supported
-    {
-        TestableRefreshRateConfigs configs(makeModes(kMode24, kMode25, kMode30, kMode30Frac,
-                                                     kMode60, kMode60Frac),
-                                           kModeId60);
-
-        lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-        lr.desiredRefreshRate = 23.976_Hz;
-        lr.name = "ExplicitExactOrMultiple 23.976 Hz";
-        EXPECT_EQ(kModeId24, configs.getBestRefreshRate(layers)->getId());
-    }
-
-    // Test that 24 will choose 23.976 if 24 is not supported
-    {
-        TestableRefreshRateConfigs configs(makeModes(kMode24Frac, kMode25, kMode30, kMode30Frac,
-                                                     kMode60, kMode60Frac),
-                                           kModeId60);
-
-        lr.desiredRefreshRate = 24_Hz;
-        lr.name = "ExplicitExactOrMultiple 24 Hz";
-        EXPECT_EQ(kModeId24Frac, configs.getBestRefreshRate(layers)->getId());
-    }
-
-    // Test that 29.97 will prefer 59.94 over 60 and 30
-    {
-        TestableRefreshRateConfigs configs(makeModes(kMode24, kMode24Frac, kMode25, kMode30,
-                                                     kMode60, kMode60Frac),
-                                           kModeId60);
-
-        lr.desiredRefreshRate = 29.97_Hz;
-        lr.name = "ExplicitExactOrMultiple 29.97 Hz";
-        EXPECT_EQ(kModeId60Frac, configs.getBestRefreshRate(layers)->getId());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExact_WithFractionalRefreshRates) {
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    // Test that voting for supported refresh rate will select this refresh rate
-    {
-        TestableRefreshRateConfigs configs(kModes_24_25_30_50_60_Frac, kModeId60);
-
-        for (auto desired : {23.976_Hz, 24_Hz, 25_Hz, 29.97_Hz, 30_Hz, 50_Hz, 59.94_Hz, 60_Hz}) {
-            lr.vote = LayerVoteType::ExplicitExact;
-            lr.desiredRefreshRate = desired;
-            std::stringstream ss;
-            ss << "ExplicitExact " << desired;
-            lr.name = ss.str();
-
-            EXPECT_EQ(lr.desiredRefreshRate, configs.getBestRefreshRate(layers)->getFps());
-        }
-    }
-
-    // Test that 23.976 will choose 24 if 23.976 is not supported
-    {
-        TestableRefreshRateConfigs configs(makeModes(kMode24, kMode25, kMode30, kMode30Frac,
-                                                     kMode60, kMode60Frac),
-                                           kModeId60);
-
-        lr.vote = LayerVoteType::ExplicitExact;
-        lr.desiredRefreshRate = 23.976_Hz;
-        lr.name = "ExplicitExact 23.976 Hz";
-        EXPECT_EQ(kModeId24, configs.getBestRefreshRate(layers)->getId());
-    }
-
-    // Test that 24 will choose 23.976 if 24 is not supported
-    {
-        TestableRefreshRateConfigs configs(makeModes(kMode24Frac, kMode25, kMode30, kMode30Frac,
-                                                     kMode60, kMode60Frac),
-                                           kModeId60);
-
-        lr.desiredRefreshRate = 24_Hz;
-        lr.name = "ExplicitExact 24 Hz";
-        EXPECT_EQ(kModeId24Frac, configs.getBestRefreshRate(layers)->getId());
-    }
-}
-
-TEST_F(RefreshRateConfigsTest,
-       getBestRefreshRate_withDisplayManagerRequestingSingleRate_ignoresTouchFlag) {
-    RefreshRateConfigs configs(kModes_60_90, kModeId90);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitDefault;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz ExplicitDefault";
-    lr.focused = true;
-
-    const auto [mode, signals] = configs.getBestRefreshRate(layers, {.touch = true, .idle = true});
-
-    EXPECT_EQ(mode, kMode60);
-    EXPECT_FALSE(signals.touch);
-}
-
-TEST_F(RefreshRateConfigsTest,
-       getBestRefreshRate_withDisplayManagerRequestingSingleRate_ignoresIdleFlag) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 90_Hz}}), 0);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitDefault;
-    lr.desiredRefreshRate = 90_Hz;
-    lr.name = "90Hz ExplicitDefault";
-    lr.focused = true;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.idle = true}));
-}
-
-TEST_F(RefreshRateConfigsTest,
-       getBestRefreshRate_withDisplayManagerRequestingSingleRate_onlySwitchesRatesForExplicitFocusedLayers) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId90);
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
-
-    const auto [mode, signals] = configs.getBestRefreshRateAndSignals({}, {});
-    EXPECT_EQ(mode, kMode90);
-    EXPECT_FALSE(signals.touch);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& lr = layers[0];
-
-    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz ExplicitExactOrMultiple";
-    lr.focused = false;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.focused = true;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::ExplicitDefault;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz ExplicitDefault";
-    lr.focused = false;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.focused = true;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Heuristic;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Heuristic";
-    lr.focused = false;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.focused = true;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Max;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Max";
-    lr.focused = false;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.focused = true;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.vote = LayerVoteType::Min;
-    lr.desiredRefreshRate = 60_Hz;
-    lr.name = "60Hz Min";
-    lr.focused = false;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    lr.focused = true;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingNotAllowed) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    // The default policy doesn't allow group switching. Verify that no
-    // group switches are performed.
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitDefault;
-    layer.desiredRefreshRate = 90_Hz;
-    layer.seamlessness = Seamlessness::SeamedAndSeamless;
-    layer.name = "90Hz ExplicitDefault";
-    layer.focused = true;
-
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayer) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitDefault;
-    layer.desiredRefreshRate = 90_Hz;
-    layer.seamlessness = Seamlessness::SeamedAndSeamless;
-    layer.name = "90Hz ExplicitDefault";
-    layer.focused = true;
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerOnlySeamless) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    // Verify that we won't change the group if seamless switch is required.
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitDefault;
-    layer.desiredRefreshRate = 90_Hz;
-    layer.seamlessness = Seamlessness::OnlySeamless;
-    layer.name = "90Hz ExplicitDefault";
-    layer.focused = true;
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerOnlySeamlessDefaultFps) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    configs.setActiveModeId(kModeId90);
-
-    // Verify that we won't do a seamless switch if we request the same mode as the default
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitDefault;
-    layer.desiredRefreshRate = 60_Hz;
-    layer.seamlessness = Seamlessness::OnlySeamless;
-    layer.name = "60Hz ExplicitDefault";
-    layer.focused = true;
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerDefaultSeamlessness) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    configs.setActiveModeId(kModeId90);
-
-    // Verify that if the current config is in another group and there are no layers with
-    // seamlessness=SeamedAndSeamless we'll go back to the default group.
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitDefault;
-    layer.desiredRefreshRate = 60_Hz;
-    layer.seamlessness = Seamlessness::Default;
-    layer.name = "60Hz ExplicitDefault";
-    layer.focused = true;
-
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersOnlySeamlessAndSeamed) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    configs.setActiveModeId(kModeId90);
-
-    // If there's a layer with seamlessness=SeamedAndSeamless, another layer with
-    // seamlessness=OnlySeamless can't change the mode group.
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].seamlessness = Seamlessness::OnlySeamless;
-    layers[0].name = "60Hz ExplicitDefault";
-    layers[0].focused = true;
-
-    layers.push_back(LayerRequirement{.weight = 0.5f});
-    layers[1].vote = LayerVoteType::ExplicitDefault;
-    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
-    layers[1].desiredRefreshRate = 90_Hz;
-    layers[1].name = "90Hz ExplicitDefault";
-    layers[1].focused = false;
-
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersDefaultFocusedAndSeamed) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    configs.setActiveModeId(kModeId90);
-
-    // If there's a focused layer with seamlessness=SeamedAndSeamless, another layer with
-    // seamlessness=Default can't change the mode group back to the group of the default
-    // mode.
-    // For example, this may happen when a video playback requests and gets a seamed switch,
-    // but another layer (with default seamlessness) starts animating. The animating layer
-    // should not cause a seamed switch.
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].seamlessness = Seamlessness::Default;
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].focused = true;
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-    layers[0].name = "60Hz ExplicitDefault";
-
-    layers.push_back(LayerRequirement{.weight = 0.1f});
-    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
-    layers[1].desiredRefreshRate = 90_Hz;
-    layers[1].focused = true;
-    layers[1].vote = LayerVoteType::ExplicitDefault;
-    layers[1].name = "90Hz ExplicitDefault";
-
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersDefaultNotFocusedAndSeamed) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
-
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    configs.setActiveModeId(kModeId90);
-
-    // Layer with seamlessness=Default can change the mode group if there's a not
-    // focused layer with seamlessness=SeamedAndSeamless. This happens for example,
-    // when in split screen mode the user switches between the two visible applications.
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].seamlessness = Seamlessness::Default;
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].focused = true;
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-    layers[0].name = "60Hz ExplicitDefault";
-
-    layers.push_back(LayerRequirement{.weight = 0.7f});
-    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
-    layers[1].desiredRefreshRate = 90_Hz;
-    layers[1].focused = false;
-    layers[1].vote = LayerVoteType::ExplicitDefault;
-    layers[1].name = "90Hz ExplicitDefault";
-
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, nonSeamlessVotePrefersSeamlessSwitches) {
-    TestableRefreshRateConfigs configs(kModes_30_60, kModeId60);
-
-    // Allow group switching.
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::ExplicitExactOrMultiple;
-    layer.desiredRefreshRate = 60_Hz;
-    layer.seamlessness = Seamlessness::SeamedAndSeamless;
-    layer.name = "60Hz ExplicitExactOrMultiple";
-    layer.focused = true;
-
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate(layers)->getId());
-
-    configs.setActiveModeId(kModeId120);
-    EXPECT_EQ(kModeId120, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, nonSeamlessExactAndSeamlessMultipleLayers) {
-    TestableRefreshRateConfigs configs(kModes_25_30_50_60, kModeId60);
-
-    // Allow group switching.
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    std::vector<LayerRequirement> layers = {{.name = "60Hz ExplicitDefault",
-                                             .vote = LayerVoteType::ExplicitDefault,
-                                             .desiredRefreshRate = 60_Hz,
-                                             .seamlessness = Seamlessness::SeamedAndSeamless,
-                                             .weight = 0.5f,
-                                             .focused = false},
-                                            {.name = "25Hz ExplicitExactOrMultiple",
-                                             .vote = LayerVoteType::ExplicitExactOrMultiple,
-                                             .desiredRefreshRate = 25_Hz,
-                                             .seamlessness = Seamlessness::OnlySeamless,
-                                             .weight = 1.f,
-                                             .focused = true}};
-
-    EXPECT_EQ(kModeId50, configs.getBestRefreshRate(layers)->getId());
-
-    auto& seamedLayer = layers[0];
-    seamedLayer.desiredRefreshRate = 30_Hz;
-    seamedLayer.name = "30Hz ExplicitDefault";
-    configs.setActiveModeId(kModeId30);
-
-    EXPECT_EQ(kModeId25, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, minLayersDontTrigerSeamedSwitch) {
-    TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId90);
-
-    // Allow group switching.
-    RefreshRateConfigs::Policy policy;
-    policy.defaultMode = configs.getCurrentPolicy().defaultMode;
-    policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
-
-    std::vector<LayerRequirement> layers = {
-            {.name = "Min", .vote = LayerVoteType::Min, .weight = 1.f, .focused = true}};
-
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate(layers)->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, primaryVsAppRequestPolicy) {
-    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].name = "Test layer";
-
-    struct Args {
-        bool touch = false;
-        bool focused = true;
-    };
-
-    // Return the config ID from calling getBestRefreshRate() for a single layer with the
-    // given voteType and fps.
-    auto getFrameRate = [&](LayerVoteType voteType, Fps fps, Args args = {}) -> DisplayModeId {
-        layers[0].vote = voteType;
-        layers[0].desiredRefreshRate = fps;
-        layers[0].focused = args.focused;
-        return configs.getBestRefreshRate(layers, {.touch = args.touch})->getId();
-    };
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {30_Hz, 60_Hz}, {30_Hz, 90_Hz}}), 0);
-
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate()->getId());
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
-    EXPECT_EQ(kModeId30, getFrameRate(LayerVoteType::Min, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Heuristic, 90_Hz));
-    EXPECT_EQ(kModeId90, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz));
-
-    // Unfocused layers are not allowed to override primary config.
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz, {.focused = false}));
-    EXPECT_EQ(kModeId60,
-              getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz, {.focused = false}));
-
-    // Touch boost should be restricted to the primary range.
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz, {.touch = true}));
-
-    // When we're higher than the primary range max due to a layer frame rate setting, touch boost
-    // shouldn't drag us back down to the primary range max.
-    EXPECT_EQ(kModeId90, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz, {.touch = true}));
-    EXPECT_EQ(kModeId60,
-              getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz, {.touch = true}));
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 60_Hz}}), 0);
-
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Min, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Heuristic, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz));
-    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz));
-}
-
-TEST_F(RefreshRateConfigsTest, idle) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].name = "Test layer";
-
-    const auto getIdleFrameRate = [&](LayerVoteType voteType, bool touchActive) -> DisplayModeId {
-        layers[0].vote = voteType;
-        layers[0].desiredRefreshRate = 90_Hz;
-
-        const auto [refreshRate, signals] =
-                configs.getBestRefreshRateAndSignals(layers, {.touch = touchActive, .idle = true});
-
-        // Refresh rate will be chosen by either touch state or idle state.
-        EXPECT_EQ(!touchActive, signals.idle);
-        return refreshRate->getId();
-    };
-
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
-
-    // Idle should be lower priority than touch boost.
-    {
-        constexpr bool kTouchActive = true;
-        EXPECT_EQ(kModeId90, getIdleFrameRate(LayerVoteType::NoVote, kTouchActive));
-        EXPECT_EQ(kModeId90, getIdleFrameRate(LayerVoteType::Min, kTouchActive));
-        EXPECT_EQ(kModeId90, getIdleFrameRate(LayerVoteType::Max, kTouchActive));
-        EXPECT_EQ(kModeId90, getIdleFrameRate(LayerVoteType::Heuristic, kTouchActive));
-        EXPECT_EQ(kModeId90, getIdleFrameRate(LayerVoteType::ExplicitDefault, kTouchActive));
-        EXPECT_EQ(kModeId90,
-                  getIdleFrameRate(LayerVoteType::ExplicitExactOrMultiple, kTouchActive));
-    }
-
-    // With no layers, idle should still be lower priority than touch boost.
-    EXPECT_EQ(kModeId90, configs.getBestRefreshRate({}, {.touch = true, .idle = true})->getId());
-
-    // Idle should be higher precedence than other layer frame rate considerations.
-    configs.setActiveModeId(kModeId90);
-
-    {
-        constexpr bool kTouchActive = false;
-        EXPECT_EQ(kModeId60, getIdleFrameRate(LayerVoteType::NoVote, kTouchActive));
-        EXPECT_EQ(kModeId60, getIdleFrameRate(LayerVoteType::Min, kTouchActive));
-        EXPECT_EQ(kModeId60, getIdleFrameRate(LayerVoteType::Max, kTouchActive));
-        EXPECT_EQ(kModeId60, getIdleFrameRate(LayerVoteType::Heuristic, kTouchActive));
-        EXPECT_EQ(kModeId60, getIdleFrameRate(LayerVoteType::ExplicitDefault, kTouchActive));
-        EXPECT_EQ(kModeId60,
-                  getIdleFrameRate(LayerVoteType::ExplicitExactOrMultiple, kTouchActive));
-    }
-
-    // Idle should be applied rather than the current config when there are no layers.
-    EXPECT_EQ(kModeId60, configs.getBestRefreshRate({}, {.idle = true})->getId());
-}
-
-TEST_F(RefreshRateConfigsTest, findClosestKnownFrameRate) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    for (float fps = 1.0f; fps <= 120.0f; fps += 0.1f) {
-        const auto knownFrameRate = configs.findClosestKnownFrameRate(Fps::fromValue(fps));
-        const Fps expectedFrameRate = [fps] {
-            if (fps < 26.91f) return 24_Hz;
-            if (fps < 37.51f) return 30_Hz;
-            if (fps < 52.51f) return 45_Hz;
-            if (fps < 66.01f) return 60_Hz;
-            if (fps < 81.01f) return 72_Hz;
-            return 90_Hz;
-        }();
-
-        EXPECT_EQ(expectedFrameRate, knownFrameRate);
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_KnownFrameRate) {
-    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
-
-    struct Expectation {
-        Fps fps;
-        DisplayModePtr mode;
-    };
-
-    const std::initializer_list<Expectation> knownFrameRatesExpectations = {
-            {24_Hz, kMode60}, {30_Hz, kMode60}, {45_Hz, kMode90},
-            {60_Hz, kMode60}, {72_Hz, kMode90}, {90_Hz, kMode90},
-    };
-
-    // Make sure the test tests all the known frame rate
-    const auto& knownFrameRates = configs.knownFrameRates();
-    const bool equal = std::equal(knownFrameRates.begin(), knownFrameRates.end(),
-                                  knownFrameRatesExpectations.begin(),
-                                  [](Fps fps, const Expectation& expected) {
-                                      return isApproxEqual(fps, expected.fps);
-                                  });
-    EXPECT_TRUE(equal);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    auto& layer = layers[0];
-    layer.vote = LayerVoteType::Heuristic;
-
-    for (const auto& [fps, mode] : knownFrameRatesExpectations) {
-        layer.desiredRefreshRate = fps;
-        EXPECT_EQ(mode, configs.getBestRefreshRate(layers));
-    }
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExact) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
-    auto& explicitExactLayer = layers[0];
-    auto& explicitExactOrMultipleLayer = layers[1];
-
-    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
-    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
-    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
-
-    explicitExactLayer.vote = LayerVoteType::ExplicitExact;
-    explicitExactLayer.name = "ExplicitExact";
-    explicitExactLayer.desiredRefreshRate = 30_Hz;
-
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode30, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    explicitExactOrMultipleLayer.desiredRefreshRate = 120_Hz;
-    explicitExactLayer.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 72_Hz;
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 90_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 120_Hz;
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExactEnableFrameRateOverride) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60,
-                                       {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
-    auto& explicitExactLayer = layers[0];
-    auto& explicitExactOrMultipleLayer = layers[1];
-
-    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
-    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
-    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
-
-    explicitExactLayer.vote = LayerVoteType::ExplicitExact;
-    explicitExactLayer.name = "ExplicitExact";
-    explicitExactLayer.desiredRefreshRate = 30_Hz;
-
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    explicitExactOrMultipleLayer.desiredRefreshRate = 120_Hz;
-    explicitExactLayer.desiredRefreshRate = 60_Hz;
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 72_Hz;
-    EXPECT_EQ(kMode72, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 90_Hz;
-    EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
-
-    explicitExactLayer.desiredRefreshRate = 120_Hz;
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ReadsCache) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
-
-    using GlobalSignals = RefreshRateConfigs::GlobalSignals;
-    const auto args = std::make_pair(std::vector<LayerRequirement>{},
-                                     GlobalSignals{.touch = true, .idle = true});
-    const auto result = std::make_pair(kMode90, GlobalSignals{.touch = true});
-
-    configs.mutableGetBestRefreshRateCache() = {args, result};
-
-    EXPECT_EQ(result, configs.getBestRefreshRateAndSignals(args.first, args.second));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_WritesCache) {
-    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
-
-    EXPECT_FALSE(configs.mutableGetBestRefreshRateCache());
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
-    RefreshRateConfigs::GlobalSignals globalSignals{.touch = true, .idle = true};
-
-    const auto result = configs.getBestRefreshRateAndSignals(layers, globalSignals);
-
-    const auto& cache = configs.mutableGetBestRefreshRateCache();
-    ASSERT_TRUE(cache);
-
-    EXPECT_EQ(cache->arguments, std::make_pair(layers, globalSignals));
-    EXPECT_EQ(cache->result, result);
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_ExplicitExactTouchBoost) {
-    TestableRefreshRateConfigs configs(kModes_60_120, kModeId60, {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
-    auto& explicitExactLayer = layers[0];
-    auto& explicitExactOrMultipleLayer = layers[1];
-
-    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
-    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
-    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
-
-    explicitExactLayer.vote = LayerVoteType::ExplicitExact;
-    explicitExactLayer.name = "ExplicitExact";
-    explicitExactLayer.desiredRefreshRate = 30_Hz;
-
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode120, configs.getBestRefreshRate(layers, {.touch = true}));
-
-    explicitExactOrMultipleLayer.vote = LayerVoteType::NoVote;
-
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers, {.touch = true}));
-}
-
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_FractionalRefreshRates_ExactAndDefault) {
-    TestableRefreshRateConfigs configs(kModes_24_25_30_50_60_Frac, kModeId60,
-                                       {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.weight = 0.5f}, {.weight = 0.5f}};
-    auto& explicitDefaultLayer = layers[0];
-    auto& explicitExactOrMultipleLayer = layers[1];
-
-    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
-    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
-    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
-
-    explicitDefaultLayer.vote = LayerVoteType::ExplicitDefault;
-    explicitDefaultLayer.name = "ExplicitDefault";
-    explicitDefaultLayer.desiredRefreshRate = 59.94_Hz;
-
-    EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
-}
-
-// b/190578904
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_withCloseRefreshRates) {
-    constexpr int kMinRefreshRate = 10;
-    constexpr int kMaxRefreshRate = 240;
-
-    DisplayModes displayModes;
-    for (int fps = kMinRefreshRate; fps < kMaxRefreshRate; fps++) {
-        const DisplayModeId modeId(fps);
-        displayModes.try_emplace(modeId,
-                                 createDisplayMode(modeId,
-                                                   Fps::fromValue(static_cast<float>(fps))));
-    }
-
-    const TestableRefreshRateConfigs configs(std::move(displayModes),
-                                             DisplayModeId(kMinRefreshRate));
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    const auto testRefreshRate = [&](Fps fps, LayerVoteType vote) {
-        layers[0].desiredRefreshRate = fps;
-        layers[0].vote = vote;
-        EXPECT_EQ(fps.getIntValue(), configs.getBestRefreshRate(layers)->getFps().getIntValue())
-                << "Failed for " << ftl::enum_string(vote);
-    };
-
-    for (int fps = kMinRefreshRate; fps < kMaxRefreshRate; fps++) {
-        const auto refreshRate = Fps::fromValue(static_cast<float>(fps));
-        testRefreshRate(refreshRate, LayerVoteType::Heuristic);
-        testRefreshRate(refreshRate, LayerVoteType::ExplicitDefault);
-        testRefreshRate(refreshRate, LayerVoteType::ExplicitExactOrMultiple);
-        testRefreshRate(refreshRate, LayerVoteType::ExplicitExact);
-    }
-}
-
-// b/190578904
-TEST_F(RefreshRateConfigsTest, getBestRefreshRate_conflictingVotes) {
-    constexpr DisplayModeId kActiveModeId{0};
-    DisplayModes displayModes = makeModes(createDisplayMode(kActiveModeId, 43_Hz),
-                                          createDisplayMode(DisplayModeId(1), 53_Hz),
-                                          createDisplayMode(DisplayModeId(2), 55_Hz),
-                                          createDisplayMode(DisplayModeId(3), 60_Hz));
-
-    const RefreshRateConfigs::GlobalSignals globalSignals = {.touch = false, .idle = false};
-    const TestableRefreshRateConfigs configs(std::move(displayModes), kActiveModeId);
-
-    const std::vector<LayerRequirement> layers = {
-            {
-                    .vote = LayerVoteType::ExplicitDefault,
-                    .desiredRefreshRate = 43_Hz,
-                    .seamlessness = Seamlessness::SeamedAndSeamless,
-                    .weight = 0.41f,
-            },
-            {
-                    .vote = LayerVoteType::ExplicitExactOrMultiple,
-                    .desiredRefreshRate = 53_Hz,
-                    .seamlessness = Seamlessness::SeamedAndSeamless,
-                    .weight = 0.41f,
-            },
-    };
-
-    EXPECT_EQ(53_Hz, configs.getBestRefreshRate(layers, globalSignals)->getFps());
-}
-
-TEST_F(RefreshRateConfigsTest, modeComparison) {
-    EXPECT_LT(kMode60->getFps(), kMode90->getFps());
-    EXPECT_GE(kMode60->getFps(), kMode60->getFps());
-    EXPECT_GE(kMode90->getFps(), kMode90->getFps());
-}
-
-TEST_F(RefreshRateConfigsTest, testKernelIdleTimerAction) {
-    using KernelIdleTimerAction = RefreshRateConfigs::KernelIdleTimerAction;
-
-    RefreshRateConfigs configs(kModes_60_90, kModeId90);
-
-    // SetPolicy(60, 90), current 90Hz => TurnOn.
-    EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
-
-    // SetPolicy(60, 90), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
-
-    // SetPolicy(60, 60), current 60Hz => TurnOff
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
-
-    // SetPolicy(90, 90), current 90Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
-}
-
-TEST_F(RefreshRateConfigsTest, testKernelIdleTimerActionFor120Hz) {
-    using KernelIdleTimerAction = RefreshRateConfigs::KernelIdleTimerAction;
-
-    RefreshRateConfigs configs(kModes_60_120, kModeId120);
-
-    // SetPolicy(0, 60), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 60_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
-
-    // SetPolicy(60, 60), current 60Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
-
-    // SetPolicy(60, 120), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 120_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
-
-    // SetPolicy(120, 120), current 120Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId120, {120_Hz, 120_Hz}}), 0);
-    EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
-}
-
-TEST_F(RefreshRateConfigsTest, getFrameRateDivisor) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId30);
-
-    const auto frameRate = 30_Hz;
-    Fps displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(1, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
-
-    configs.setActiveModeId(kModeId60);
-    displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(2, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
-
-    configs.setActiveModeId(kModeId72);
-    displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
-
-    configs.setActiveModeId(kModeId90);
-    displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(3, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
-
-    configs.setActiveModeId(kModeId120);
-    displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(4, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
-
-    configs.setActiveModeId(kModeId90);
-    displayRefreshRate = configs.getActiveMode()->getFps();
-    EXPECT_EQ(4, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, 22.5_Hz));
-
-    EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(24_Hz, 25_Hz));
-    EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(24_Hz, 23.976_Hz));
-    EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(30_Hz, 29.97_Hz));
-    EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(60_Hz, 59.94_Hz));
-}
-
-TEST_F(RefreshRateConfigsTest, isFractionalPairOrMultiple) {
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(23.976_Hz, 24_Hz));
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(24_Hz, 23.976_Hz));
-
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(29.97_Hz, 30_Hz));
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(30_Hz, 29.97_Hz));
-
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(59.94_Hz, 60_Hz));
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(60_Hz, 59.94_Hz));
-
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(29.97_Hz, 60_Hz));
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(60_Hz, 29.97_Hz));
-
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(59.94_Hz, 30_Hz));
-    EXPECT_TRUE(RefreshRateConfigs::isFractionalPairOrMultiple(30_Hz, 59.94_Hz));
-
-    const auto refreshRates = {23.976_Hz, 24_Hz, 25_Hz, 29.97_Hz, 30_Hz, 50_Hz, 59.94_Hz, 60_Hz};
-    for (auto refreshRate : refreshRates) {
-        EXPECT_FALSE(RefreshRateConfigs::isFractionalPairOrMultiple(refreshRate, refreshRate));
-    }
-
-    EXPECT_FALSE(RefreshRateConfigs::isFractionalPairOrMultiple(24_Hz, 25_Hz));
-    EXPECT_FALSE(RefreshRateConfigs::isFractionalPairOrMultiple(23.978_Hz, 25_Hz));
-    EXPECT_FALSE(RefreshRateConfigs::isFractionalPairOrMultiple(29.97_Hz, 59.94_Hz));
-}
-
-TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_noLayers) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId120);
-
-    EXPECT_TRUE(configs.getFrameRateOverrides({}, 120_Hz, {}).empty());
-}
-
-TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_60on120) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId120,
-                               {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
-    layers[0].name = "Test layer";
-    layers[0].ownerUid = 1234;
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-
-    auto frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    layers[0].vote = LayerVoteType::NoVote;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_TRUE(frameRateOverrides.empty());
-
-    layers[0].vote = LayerVoteType::Min;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_TRUE(frameRateOverrides.empty());
-
-    layers[0].vote = LayerVoteType::Max;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_TRUE(frameRateOverrides.empty());
-
-    layers[0].vote = LayerVoteType::Heuristic;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_TRUE(frameRateOverrides.empty());
-}
-
-TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_twoUids) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId120,
-                               {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.ownerUid = 1234, .weight = 1.f},
-                                            {.ownerUid = 5678, .weight = 1.f}};
-
-    layers[0].name = "Test layer 1234";
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-
-    layers[1].name = "Test layer 5678";
-    layers[1].desiredRefreshRate = 30_Hz;
-    layers[1].vote = LayerVoteType::ExplicitDefault;
-    auto frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-
-    EXPECT_EQ(2u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-    ASSERT_EQ(1u, frameRateOverrides.count(5678));
-    EXPECT_EQ(30_Hz, frameRateOverrides.at(5678));
-
-    layers[1].vote = LayerVoteType::Heuristic;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    layers[1].ownerUid = 1234;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_TRUE(frameRateOverrides.empty());
-}
-
-TEST_F(RefreshRateConfigsTest, getFrameRateOverrides_touch) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId120,
-                               {.enableFrameRateOverride = true});
-
-    std::vector<LayerRequirement> layers = {{.ownerUid = 1234, .weight = 1.f}};
-    layers[0].name = "Test layer";
-    layers[0].desiredRefreshRate = 60_Hz;
-    layers[0].vote = LayerVoteType::ExplicitDefault;
-
-    auto frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    layers[0].vote = LayerVoteType::ExplicitExact;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {});
-    EXPECT_EQ(1u, frameRateOverrides.size());
-    ASSERT_EQ(1u, frameRateOverrides.count(1234));
-    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
-
-    frameRateOverrides = configs.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
-    EXPECT_TRUE(frameRateOverrides.empty());
-}
-
-} // namespace
-} // namespace android::scheduler
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
new file mode 100644
index 0000000000..a3b3c4cf58
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
@@ -0,0 +1,2960 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "SchedulerUnittests"
+
+#include <algorithm>
+#include <array>
+
+#include <ftl/enum.h>
+#include <ftl/fake_guard.h>
+#include <gmock/gmock.h>
+#include <log/log.h>
+#include <ui/Size.h>
+
+#include <scheduler/FrameRateMode.h>
+#include "DisplayHardware/HWC2.h"
+#include "FpsOps.h"
+#include "Scheduler/RefreshRateSelector.h"
+#include "mock/DisplayHardware/MockDisplayMode.h"
+#include "mock/MockFrameRateMode.h"
+
+#include "libsurfaceflinger_unittest_main.h"
+
+using namespace std::chrono_literals;
+
+namespace android::scheduler {
+
+namespace hal = android::hardware::graphics::composer::hal;
+
+using Config = RefreshRateSelector::Config;
+using LayerRequirement = RefreshRateSelector::LayerRequirement;
+using LayerVoteType = RefreshRateSelector::LayerVoteType;
+using SetPolicyResult = RefreshRateSelector::SetPolicyResult;
+
+using mock::createDisplayMode;
+
+struct TestableRefreshRateSelector : RefreshRateSelector {
+    using RefreshRateSelector::FrameRateRanking;
+    using RefreshRateSelector::RefreshRateOrder;
+
+    using RefreshRateSelector::RefreshRateSelector;
+
+    void setActiveMode(DisplayModeId modeId, Fps renderFrameRate) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return RefreshRateSelector::setActiveMode(modeId, renderFrameRate);
+    }
+
+    const DisplayMode& getActiveMode() const {
+        std::lock_guard lock(mLock);
+        return *RefreshRateSelector::getActiveModeLocked().modePtr;
+    }
+
+    ftl::NonNull<DisplayModePtr> getMinSupportedRefreshRate() const {
+        std::lock_guard lock(mLock);
+        return ftl::as_non_null(mMinRefreshRateModeIt->second);
+    }
+
+    ftl::NonNull<DisplayModePtr> getMaxSupportedRefreshRate() const {
+        std::lock_guard lock(mLock);
+        return ftl::as_non_null(mMaxRefreshRateModeIt->second);
+    }
+
+    ftl::NonNull<DisplayModePtr> getMinRefreshRateByPolicy() const {
+        std::lock_guard lock(mLock);
+        return ftl::as_non_null(getMinRefreshRateByPolicyLocked());
+    }
+
+    ftl::NonNull<DisplayModePtr> getMaxRefreshRateByPolicy() const {
+        std::lock_guard lock(mLock);
+        return ftl::as_non_null(
+                getMaxRefreshRateByPolicyLocked(getActiveModeLocked().modePtr->getGroup()));
+    }
+
+    FrameRateRanking rankRefreshRates(std::optional<int> anchorGroupOpt,
+                                      RefreshRateOrder refreshRateOrder) const {
+        std::lock_guard lock(mLock);
+        return RefreshRateSelector::rankFrameRates(anchorGroupOpt, refreshRateOrder);
+    }
+
+    const std::vector<Fps>& knownFrameRates() const { return mKnownFrameRates; }
+
+    using RefreshRateSelector::GetRankedFrameRatesCache;
+    auto& mutableGetRankedRefreshRatesCache() { return mGetRankedFrameRatesCache; }
+
+    auto getRankedFrameRates(const std::vector<LayerRequirement>& layers,
+                             GlobalSignals signals) const {
+        const auto result = RefreshRateSelector::getRankedFrameRates(layers, signals);
+
+        EXPECT_TRUE(std::is_sorted(result.ranking.begin(), result.ranking.end(),
+                                   ScoredFrameRate::DescendingScore{}));
+
+        return result;
+    }
+
+    auto getRankedRefreshRatesAsPair(const std::vector<LayerRequirement>& layers,
+                                     GlobalSignals signals) const {
+        const auto [ranking, consideredSignals] = getRankedFrameRates(layers, signals);
+        return std::make_pair(ranking, consideredSignals);
+    }
+
+    ftl::NonNull<DisplayModePtr> getBestFrameRateMode(
+            const std::vector<LayerRequirement>& layers = {}, GlobalSignals signals = {}) const {
+        return getRankedFrameRates(layers, signals).ranking.front().frameRateMode.modePtr;
+    }
+
+    ScoredFrameRate getBestScoredFrameRate(const std::vector<LayerRequirement>& layers = {},
+                                           GlobalSignals signals = {}) const {
+        return getRankedFrameRates(layers, signals).ranking.front();
+    }
+
+    SetPolicyResult setPolicy(const PolicyVariant& policy) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return RefreshRateSelector::setPolicy(policy);
+    }
+
+    SetPolicyResult setDisplayManagerPolicy(const DisplayManagerPolicy& policy) {
+        return setPolicy(policy);
+    }
+
+    const auto& getPrimaryFrameRates() const { return mPrimaryFrameRates; }
+};
+
+class RefreshRateSelectorTest : public testing::TestWithParam<Config::FrameRateOverride> {
+protected:
+    using RefreshRateOrder = TestableRefreshRateSelector::RefreshRateOrder;
+
+    RefreshRateSelectorTest();
+    ~RefreshRateSelectorTest();
+
+    static constexpr DisplayModeId kModeId60{0};
+    static constexpr DisplayModeId kModeId90{1};
+    static constexpr DisplayModeId kModeId72{2};
+    static constexpr DisplayModeId kModeId120{3};
+    static constexpr DisplayModeId kModeId30{4};
+    static constexpr DisplayModeId kModeId25{5};
+    static constexpr DisplayModeId kModeId50{6};
+    static constexpr DisplayModeId kModeId24{7};
+    static constexpr DisplayModeId kModeId24Frac{8};
+    static constexpr DisplayModeId kModeId30Frac{9};
+    static constexpr DisplayModeId kModeId60Frac{10};
+    static constexpr DisplayModeId kModeId35{11};
+
+    static inline const ftl::NonNull<DisplayModePtr> kMode60 =
+            ftl::as_non_null(createDisplayMode(kModeId60, 60_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode60Frac =
+            ftl::as_non_null(createDisplayMode(kModeId60Frac, 59.94_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode90 =
+            ftl::as_non_null(createDisplayMode(kModeId90, 90_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode90_G1 =
+            ftl::as_non_null(createDisplayMode(kModeId90, 90_Hz, 1));
+    static inline const ftl::NonNull<DisplayModePtr> kMode90_4K =
+            ftl::as_non_null(createDisplayMode(kModeId90, 90_Hz, 0, {3840, 2160}));
+    static inline const ftl::NonNull<DisplayModePtr> kMode72 =
+            ftl::as_non_null(createDisplayMode(kModeId72, 72_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode72_G1 =
+            ftl::as_non_null(createDisplayMode(kModeId72, 72_Hz, 1));
+    static inline const ftl::NonNull<DisplayModePtr> kMode120 =
+            ftl::as_non_null(createDisplayMode(kModeId120, 120_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode120_G1 =
+            ftl::as_non_null(createDisplayMode(kModeId120, 120_Hz, 1));
+    static inline const ftl::NonNull<DisplayModePtr> kMode30 =
+            ftl::as_non_null(createDisplayMode(kModeId30, 30_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode30_G1 =
+            ftl::as_non_null(createDisplayMode(kModeId30, 30_Hz, 1));
+    static inline const ftl::NonNull<DisplayModePtr> kMode30Frac =
+            ftl::as_non_null(createDisplayMode(kModeId30Frac, 29.97_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode25 =
+            ftl::as_non_null(createDisplayMode(kModeId25, 25_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode25_G1 =
+            ftl::as_non_null(createDisplayMode(kModeId25, 25_Hz, 1));
+    static inline const ftl::NonNull<DisplayModePtr> kMode35 =
+            ftl::as_non_null(createDisplayMode(kModeId35, 35_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode50 =
+            ftl::as_non_null(createDisplayMode(kModeId50, 50_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode24 =
+            ftl::as_non_null(createDisplayMode(kModeId24, 24_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kMode24Frac =
+            ftl::as_non_null(createDisplayMode(kModeId24Frac, 23.976_Hz));
+
+    // Test configurations.
+    static inline const DisplayModes kModes_60 = makeModes(kMode60);
+    static inline const DisplayModes kModes_35_60_90 = makeModes(kMode35, kMode60, kMode90);
+    static inline const DisplayModes kModes_60_90 = makeModes(kMode60, kMode90);
+    static inline const DisplayModes kModes_60_90_G1 = makeModes(kMode60, kMode90_G1);
+    static inline const DisplayModes kModes_60_90_4K = makeModes(kMode60, kMode90_4K);
+    static inline const DisplayModes kModes_60_72_90 = makeModes(kMode60, kMode90, kMode72);
+    static inline const DisplayModes kModes_60_90_72_120 =
+            makeModes(kMode60, kMode90, kMode72, kMode120);
+    static inline const DisplayModes kModes_30_60_72_90_120 =
+            makeModes(kMode60, kMode90, kMode72, kMode120, kMode30);
+
+    static inline const DisplayModes kModes_30_60 =
+            makeModes(kMode60, kMode90_G1, kMode72_G1, kMode120_G1, kMode30);
+    static inline const DisplayModes kModes_30_60_72_90 =
+            makeModes(kMode60, kMode90, kMode72, kMode120_G1, kMode30);
+    static inline const DisplayModes kModes_30_60_90 =
+            makeModes(kMode60, kMode90, kMode72_G1, kMode120_G1, kMode30);
+    static inline const DisplayModes kModes_25_30_50_60 =
+            makeModes(kMode60, kMode90, kMode72_G1, kMode120_G1, kMode30_G1, kMode25_G1, kMode50);
+    static inline const DisplayModes kModes_60_120 = makeModes(kMode60, kMode120);
+
+    // This is a typical TV configuration.
+    static inline const DisplayModes kModes_24_25_30_50_60_Frac =
+            makeModes(kMode24, kMode24Frac, kMode25, kMode30, kMode30Frac, kMode50, kMode60,
+                      kMode60Frac);
+
+    static TestableRefreshRateSelector createSelector(DisplayModes modes,
+                                                      DisplayModeId activeModeId,
+                                                      Config config = {}) {
+        config.enableFrameRateOverride = GetParam();
+        return TestableRefreshRateSelector(modes, activeModeId, config);
+    }
+};
+
+RefreshRateSelectorTest::RefreshRateSelectorTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+RefreshRateSelectorTest::~RefreshRateSelectorTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+namespace {
+
+INSTANTIATE_TEST_SUITE_P(PerOverrideConfig, RefreshRateSelectorTest,
+                         testing::Values(Config::FrameRateOverride::Disabled,
+                                         Config::FrameRateOverride::AppOverrideNativeRefreshRates,
+                                         Config::FrameRateOverride::AppOverride,
+                                         Config::FrameRateOverride::Enabled));
+
+TEST_P(RefreshRateSelectorTest, oneMode_canSwitch) {
+    auto selector = createSelector(kModes_60, kModeId60);
+    if (GetParam() == Config::FrameRateOverride::Enabled) {
+        EXPECT_TRUE(selector.canSwitch());
+    } else {
+        EXPECT_FALSE(selector.canSwitch());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, invalidPolicy) {
+    auto selector = createSelector(kModes_60, kModeId60);
+
+    EXPECT_EQ(SetPolicyResult::Invalid,
+              selector.setDisplayManagerPolicy({DisplayModeId(10), {60_Hz, 60_Hz}}));
+    EXPECT_EQ(SetPolicyResult::Invalid,
+              selector.setDisplayManagerPolicy({kModeId60, {20_Hz, 40_Hz}}));
+}
+
+TEST_P(RefreshRateSelectorTest, unchangedPolicy) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              selector.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+
+    // Override to the same policy.
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              selector.setPolicy(RefreshRateSelector::OverridePolicy{kModeId90, {60_Hz, 90_Hz}}));
+
+    // Clear override to restore DisplayManagerPolicy.
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              selector.setPolicy(RefreshRateSelector::NoOverridePolicy{}));
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {30_Hz, 90_Hz}}));
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_storesFullRefreshRateMap) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    const auto minRate = selector.getMinSupportedRefreshRate();
+    const auto performanceRate = selector.getMaxSupportedRefreshRate();
+
+    EXPECT_EQ(kMode60, minRate);
+    EXPECT_EQ(kMode90, performanceRate);
+
+    const auto minRateByPolicy = selector.getMinRefreshRateByPolicy();
+    const auto performanceRateByPolicy = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(minRateByPolicy, minRate);
+    EXPECT_EQ(performanceRateByPolicy, performanceRate);
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_storesFullRefreshRateMap_differentGroups) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    const auto minRate = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate = selector.getMaxSupportedRefreshRate();
+    const auto minRate60 = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate60 = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode60, minRate);
+    EXPECT_EQ(kMode60, minRate60);
+    EXPECT_EQ(kMode60, performanceRate60);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    const auto minRate90 = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate90 = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode90_G1, performanceRate);
+    EXPECT_EQ(kMode90_G1, minRate90);
+    EXPECT_EQ(kMode90_G1, performanceRate90);
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_storesFullRefreshRateMap_differentResolutions) {
+    auto selector = createSelector(kModes_60_90_4K, kModeId60);
+
+    const auto minRate = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate = selector.getMaxSupportedRefreshRate();
+    const auto minRate60 = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate60 = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode60, minRate);
+    EXPECT_EQ(kMode60, minRate60);
+    EXPECT_EQ(kMode60, performanceRate60);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    const auto minRate90 = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate90 = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode90_4K, performanceRate);
+    EXPECT_EQ(kMode90_4K, minRate90);
+    EXPECT_EQ(kMode90_4K, performanceRate90);
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_policyChange) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    const auto minRate = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode60, minRate);
+    EXPECT_EQ(kMode90, performanceRate);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+
+    const auto minRate60 = selector.getMinRefreshRateByPolicy();
+    const auto performanceRate60 = selector.getMaxRefreshRateByPolicy();
+
+    EXPECT_EQ(kMode60, minRate60);
+    EXPECT_EQ(kMode60, performanceRate60);
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_getActiveMode) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+    {
+        const auto& mode = selector.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId60);
+    }
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+    {
+        const auto& mode = selector.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId90);
+    }
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
+    {
+        const auto& mode = selector.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId90);
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_noLayers) {
+    {
+        auto selector = createSelector(kModes_60_72_90, kModeId72);
+
+        // If there are no layers we select the default frame rate, which is the max of the primary
+        // range.
+        EXPECT_EQ(kMode90, selector.getBestFrameRateMode());
+
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+        EXPECT_EQ(kMode60, selector.getBestFrameRateMode());
+    }
+    {
+        // We select max even when this will cause a non-seamless switch.
+        auto selector = createSelector(kModes_60_90_G1, kModeId60);
+        constexpr bool kAllowGroupSwitching = true;
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId90, {0_Hz, 90_Hz}, kAllowGroupSwitching}));
+        EXPECT_EQ(kMode90_G1, selector.getBestFrameRateMode());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_exactDontChangeRefreshRateWhenNotInPolicy) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId72);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].vote = LayerVoteType::ExplicitExact;
+    layers[0].desiredRefreshRate = 120_Hz;
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId72, {0_Hz, 90_Hz}}));
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_60_90) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    lr.name = "Min";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    lr.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    lr.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    lr.name = "45Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    lr.name = "30Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    lr.name = "24Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.name = "";
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+
+    lr.vote = LayerVoteType::Min;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
+
+    lr.vote = LayerVoteType::Min;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {0_Hz, 120_Hz}}));
+    lr.vote = LayerVoteType::Min;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_multipleThreshold_60_90) {
+    auto selector = createSelector(kModes_60_90, kModeId60, {.frameRateMultipleThreshold = 90});
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    lr.name = "Min";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    lr.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    lr.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    lr.name = "45Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    lr.name = "30Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    lr.name = "24Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_60_72_90) {
+    auto selector = createSelector(kModes_60_72_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_30_60_72_90_120) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 48_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 48_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_30_60_90_120_DifferentTypes) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "60Hz ExplicitDefault";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.name = "24Hz Heuristic";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.name = "90Hz ExplicitExactOrMultiple";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest,
+       getBestFrameRateMode_30_60_90_120_DifferentTypes_multipleThreshold) {
+    auto selector =
+            createSelector(kModes_30_60_72_90_120, kModeId60, {.frameRateMultipleThreshold = 120});
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+    auto& lr3 = layers[2];
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "60Hz ExplicitDefault";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.name = "24Hz Heuristic";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.name = "24Hz ExplicitDefault";
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.name = "90Hz ExplicitExactOrMultiple";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Max;
+    lr2.name = "Max";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 120_Hz;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.name = "120Hz ExplicitDefault";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 24_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "24Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 120_Hz;
+    lr2.vote = LayerVoteType::ExplicitExact;
+    lr2.name = "120Hz ExplicitExact";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 10_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "30Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 120_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "120Hz ExplicitExact";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+
+    lr1.desiredRefreshRate = 30_Hz;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.name = "30Hz ExplicitExactOrMultiple";
+    lr2.desiredRefreshRate = 30_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.name = "30Hz ExplicitExactOrMultiple";
+    lr3.vote = LayerVoteType::Heuristic;
+    lr3.desiredRefreshRate = 120_Hz;
+    lr3.name = "120Hz Heuristic";
+    EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_30_60) {
+    auto selector = createSelector(kModes_30_60, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    EXPECT_EQ(kMode30, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 30_Hz;
+    EXPECT_EQ(kMode30, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_30_60_72_90) {
+    auto selector = createSelector(kModes_30_60_72_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::Min;
+    lr.name = "Min";
+    EXPECT_EQ(kMode30, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    lr.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 90_Hz;
+    lr.vote = LayerVoteType::Heuristic;
+    lr.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Heuristic";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr.desiredRefreshRate = 45_Hz;
+    lr.name = "45Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr.desiredRefreshRate = 30_Hz;
+    lr.name = "30Hz Heuristic";
+    EXPECT_EQ(kMode30, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr.desiredRefreshRate = 24_Hz;
+    lr.name = "24Hz Heuristic";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr.desiredRefreshRate = 24_Hz;
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr.name = "24Hz ExplicitExactOrMultiple";
+    EXPECT_EQ(kMode72, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_PriorityTest) {
+    auto selector = createSelector(kModes_30_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::Min;
+    lr2.vote = LayerVoteType::Max;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Min;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Min;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 24_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Max;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Max;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 15_Hz;
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 30_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 45_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_24FpsVideo) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
+        lr.desiredRefreshRate = Fps::fromValue(fps);
+        const auto mode = selector.getBestFrameRateMode(layers);
+        EXPECT_EQ(kMode60, mode) << lr.desiredRefreshRate << " chooses "
+                                 << to_string(mode->getFps());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_24FpsVideo_multipleThreshold_60_120) {
+    auto selector = createSelector(kModes_60_120, kModeId60, {.frameRateMultipleThreshold = 120});
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
+        lr.desiredRefreshRate = Fps::fromValue(fps);
+        const auto mode = selector.getBestFrameRateMode(layers);
+        EXPECT_EQ(kMode60, mode) << lr.desiredRefreshRate << " chooses "
+                                 << to_string(mode->getFps());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, twoModes_getBestFrameRateMode_Explicit) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 90_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 90_Hz;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 60_Hz;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_75HzContent) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    for (float fps = 75.0f; fps < 100.0f; fps += 0.1f) {
+        lr.desiredRefreshRate = Fps::fromValue(fps);
+        const auto mode = selector.getBestFrameRateMode(layers, {});
+        EXPECT_EQ(kMode90, mode) << lr.desiredRefreshRate << " chooses "
+                                 << to_string(mode->getFps());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_Multiples) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.name = "90Hz ExplicitDefault";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Max;
+    lr2.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 30_Hz;
+    lr1.name = "30Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 30_Hz;
+    lr1.name = "30Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Max;
+    lr2.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, scrollWhileWatching60fps_60_90) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::NoVote;
+    lr2.name = "NoVote";
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::NoVote;
+    lr2.name = "NoVote";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Max;
+    lr2.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.touch = true}));
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Max;
+    lr2.name = "Max";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    // The other layer starts to provide buffers
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 90_Hz;
+    lr2.name = "90Hz Heuristic";
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, getMaxRefreshRatesByPolicy) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    auto selector = createSelector(kModes_30_60_90, kModeId60);
+    const auto refreshRates = selector.rankRefreshRates(selector.getActiveMode().getGroup(),
+                                                        RefreshRateOrder::Descending);
+
+    const auto expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60}, {30_Hz, kMode30}};
+            case Config::FrameRateOverride::Enabled:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60}, {45_Hz, kMode90}, {30_Hz, kMode30}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getMinRefreshRatesByPolicy) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    auto selector = createSelector(kModes_30_60_90, kModeId60);
+
+    const auto refreshRates = selector.rankRefreshRates(selector.getActiveMode().getGroup(),
+                                                        RefreshRateOrder::Ascending);
+
+    const auto expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{30_Hz, kMode30}, {60_Hz, kMode60}, {90_Hz, kMode90}};
+            case Config::FrameRateOverride::Enabled:
+                return {{30_Hz, kMode30}, {45_Hz, kMode90}, {60_Hz, kMode60}, {90_Hz, kMode90}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getMinRefreshRatesByPolicyOutsideTheGroup) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    auto selector = createSelector(kModes_30_60_90, kModeId72);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {30_Hz, 90_Hz}}));
+
+    const auto refreshRates =
+            selector.rankRefreshRates(/*anchorGroupOpt*/ std::nullopt, RefreshRateOrder::Ascending);
+
+    const auto expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{30_Hz, kMode30}, {60_Hz, kMode60}, {90_Hz, kMode90}};
+            case Config::FrameRateOverride::Enabled:
+                return {{30_Hz, kMode30}, {45_Hz, kMode90}, {60_Hz, kMode60}, {90_Hz, kMode90}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getMaxRefreshRatesByPolicyOutsideTheGroup) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    auto selector = createSelector(kModes_30_60_90, kModeId72);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {30_Hz, 90_Hz}}));
+
+    const auto refreshRates = selector.rankRefreshRates(/*anchorGroupOpt*/ std::nullopt,
+                                                        RefreshRateOrder::Descending);
+
+    const auto expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60}, {30_Hz, kMode30}};
+            case Config::FrameRateOverride::Enabled:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60}, {45_Hz, kMode90}, {30_Hz, kMode30}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, powerOnImminentConsidered) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    auto [refreshRates, signals] = selector.getRankedFrameRates({}, {});
+    EXPECT_FALSE(signals.powerOnImminent);
+
+    auto expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60}};
+            case Config::FrameRateOverride::Enabled:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60},   {45_Hz, kMode90},
+                        {30_Hz, kMode60}, {22.5_Hz, kMode90}, {20_Hz, kMode60}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    std::tie(refreshRates, signals) =
+            selector.getRankedRefreshRatesAsPair({}, {.powerOnImminent = true});
+    EXPECT_TRUE(signals.powerOnImminent);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr1 = layers[0];
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+
+    std::tie(refreshRates, signals) =
+            selector.getRankedRefreshRatesAsPair(layers, {.powerOnImminent = true});
+    EXPECT_TRUE(signals.powerOnImminent);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    std::tie(refreshRates, signals) =
+            selector.getRankedRefreshRatesAsPair(layers, {.powerOnImminent = false});
+    EXPECT_FALSE(signals.powerOnImminent);
+
+    expectedRefreshRates = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{60_Hz, kMode60}, {90_Hz, kMode90}};
+            case Config::FrameRateOverride::Enabled:
+                return {{60_Hz, kMode60}, {90_Hz, kMode90},   {45_Hz, kMode90},
+                        {30_Hz, kMode60}, {22.5_Hz, kMode90}, {20_Hz, kMode60}};
+        }
+    }();
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i], refreshRates[i].frameRateMode)
+                << "Expected " << expectedRefreshRates[i].fps.getIntValue() << " ("
+                << expectedRefreshRates[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << refreshRates[i].frameRateMode.fps.getIntValue() << " ("
+                << refreshRates[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, touchConsidered) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    auto [_, signals] = selector.getRankedFrameRates({}, {});
+    EXPECT_FALSE(signals.touch);
+
+    std::tie(std::ignore, signals) = selector.getRankedRefreshRatesAsPair({}, {.touch = true});
+    EXPECT_TRUE(signals.touch);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz Heuristic";
+    std::tie(std::ignore, signals) = selector.getRankedRefreshRatesAsPair(layers, {.touch = true});
+    EXPECT_TRUE(signals.touch);
+
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitDefault";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz Heuristic";
+    std::tie(std::ignore, signals) = selector.getRankedRefreshRatesAsPair(layers, {.touch = true});
+    EXPECT_FALSE(signals.touch);
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz Heuristic";
+    std::tie(std::ignore, signals) = selector.getRankedRefreshRatesAsPair(layers, {.touch = true});
+    EXPECT_TRUE(signals.touch);
+
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitDefault";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz Heuristic";
+    std::tie(std::ignore, signals) = selector.getRankedRefreshRatesAsPair(layers, {.touch = true});
+    EXPECT_FALSE(signals.touch);
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_ExplicitDefault) {
+    auto selector = createSelector(kModes_60_90_72_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    // Prepare a table with the vote and the expected refresh rate
+    const std::initializer_list<std::pair<Fps, Fps>> testCases = {
+            {130_Hz, 120_Hz}, {120_Hz, 120_Hz}, {119_Hz, 120_Hz}, {110_Hz, 120_Hz},
+
+            {100_Hz, 90_Hz},  {90_Hz, 90_Hz},   {89_Hz, 90_Hz},
+
+            {80_Hz, 72_Hz},   {73_Hz, 72_Hz},   {72_Hz, 72_Hz},   {71_Hz, 72_Hz},   {70_Hz, 72_Hz},
+
+            {65_Hz, 60_Hz},   {60_Hz, 60_Hz},   {59_Hz, 60_Hz},   {58_Hz, 60_Hz},
+
+            {55_Hz, 90_Hz},   {50_Hz, 90_Hz},   {45_Hz, 90_Hz},
+
+            {42_Hz, 120_Hz},  {40_Hz, 120_Hz},  {39_Hz, 120_Hz},
+
+            {37_Hz, 72_Hz},   {36_Hz, 72_Hz},   {35_Hz, 72_Hz},
+
+            {30_Hz, 60_Hz},
+    };
+
+    for (auto [desired, expected] : testCases) {
+        lr.vote = LayerVoteType::ExplicitDefault;
+        lr.desiredRefreshRate = desired;
+
+        std::stringstream ss;
+        ss << "ExplicitDefault " << desired;
+        lr.name = ss.str();
+
+        EXPECT_EQ(expected, selector.getBestFrameRateMode(layers)->getFps());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest,
+       getBestFrameRateMode_ExplicitExactOrMultiple_WithFractionalRefreshRates) {
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    // Test that 23.976 will choose 24 if 23.976 is not supported
+    {
+        auto selector = createSelector(makeModes(kMode24, kMode25, kMode30, kMode30Frac, kMode60,
+                                                 kMode60Frac),
+                                       kModeId60);
+
+        lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+        lr.desiredRefreshRate = 23.976_Hz;
+        lr.name = "ExplicitExactOrMultiple 23.976 Hz";
+        EXPECT_EQ(kModeId24, selector.getBestFrameRateMode(layers)->getId());
+    }
+
+    // Test that 24 will choose 23.976 if 24 is not supported
+    {
+        auto selector = createSelector(makeModes(kMode24Frac, kMode25, kMode30, kMode30Frac,
+                                                 kMode60, kMode60Frac),
+                                       kModeId60);
+
+        lr.desiredRefreshRate = 24_Hz;
+        lr.name = "ExplicitExactOrMultiple 24 Hz";
+        EXPECT_EQ(kModeId24Frac, selector.getBestFrameRateMode(layers)->getId());
+    }
+
+    // Test that 29.97 will prefer 59.94 over 60 and 30
+    {
+        auto selector = createSelector(makeModes(kMode24, kMode24Frac, kMode25, kMode30, kMode60,
+                                                 kMode60Frac),
+                                       kModeId60);
+
+        lr.desiredRefreshRate = 29.97_Hz;
+        lr.name = "ExplicitExactOrMultiple 29.97 Hz";
+        EXPECT_EQ(kModeId60Frac, selector.getBestFrameRateMode(layers)->getId());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_ExplicitExact_WithFractionalRefreshRates) {
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    // Test that voting for supported refresh rate will select this refresh rate
+    {
+        auto selector = createSelector(kModes_24_25_30_50_60_Frac, kModeId60);
+
+        for (auto desired : {23.976_Hz, 24_Hz, 25_Hz, 29.97_Hz, 30_Hz, 50_Hz, 59.94_Hz, 60_Hz}) {
+            lr.vote = LayerVoteType::ExplicitExact;
+            lr.desiredRefreshRate = desired;
+            std::stringstream ss;
+            ss << "ExplicitExact " << desired;
+            lr.name = ss.str();
+
+            EXPECT_EQ(lr.desiredRefreshRate, selector.getBestFrameRateMode(layers)->getFps());
+        }
+    }
+}
+
+TEST_P(RefreshRateSelectorTest,
+       getBestFrameRateMode_withDisplayManagerRequestingSingleRate_ignoresTouchFlag) {
+    auto selector = createSelector(kModes_60_90, kModeId90);
+
+    constexpr FpsRange k90 = {90_Hz, 90_Hz};
+    constexpr FpsRange k60_90 = {60_Hz, 90_Hz};
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {k90, k90}, {k60_90, k60_90}}));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitDefault;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz ExplicitDefault";
+    lr.focused = true;
+
+    const auto [rankedFrameRate, signals] =
+            selector.getRankedFrameRates(layers, {.touch = true, .idle = true});
+
+    EXPECT_EQ(rankedFrameRate.begin()->frameRateMode.modePtr, kMode60);
+    EXPECT_FALSE(signals.touch);
+}
+
+TEST_P(RefreshRateSelectorTest,
+       getBestFrameRateMode_withDisplayManagerRequestingSingleRate_ignoresIdleFlag) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    constexpr FpsRange k60 = {60_Hz, 60_Hz};
+    constexpr FpsRange k60_90 = {60_Hz, 90_Hz};
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {k60, k60}, {k60_90, k60_90}}));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitDefault;
+    lr.desiredRefreshRate = 90_Hz;
+    lr.name = "90Hz ExplicitDefault";
+    lr.focused = true;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers, {.idle = true}));
+}
+
+TEST_P(RefreshRateSelectorTest, testDisplayModeOrdering) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+    auto& lr3 = layers[2];
+    auto& lr4 = layers[3];
+    auto& lr5 = layers[4];
+
+    lr1.desiredRefreshRate = 90_Hz;
+    lr1.name = "90Hz";
+    lr1.focused = true;
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+    lr2.focused = true;
+
+    lr3.desiredRefreshRate = 72_Hz;
+    lr3.name = "72Hz";
+    lr3.focused = true;
+
+    lr4.desiredRefreshRate = 120_Hz;
+    lr4.name = "120Hz";
+    lr4.focused = true;
+
+    lr5.desiredRefreshRate = 30_Hz;
+    lr5.name = "30Hz";
+    lr5.focused = true;
+
+    auto expectedRanking = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{120_Hz, kMode120},
+                        {90_Hz, kMode90},
+                        {72_Hz, kMode72},
+                        {60_Hz, kMode60},
+                        {30_Hz, kMode30}};
+            case Config::FrameRateOverride::Enabled:
+                return {{120_Hz, kMode120}, {90_Hz, kMode90},  {72_Hz, kMode72}, {60_Hz, kMode60},
+                        {45_Hz, kMode90},   {40_Hz, kMode120}, {36_Hz, kMode72}, {30_Hz, kMode30}};
+        }
+    }();
+
+    auto actualRanking = selector.getRankedFrameRates(layers, {}).ranking;
+    ASSERT_EQ(expectedRanking.size(), actualRanking.size());
+
+    for (size_t i = 0; i < expectedRanking.size(); ++i) {
+        EXPECT_EQ(expectedRanking[i], actualRanking[i].frameRateMode)
+                << "Expected " << expectedRanking[i].fps.getIntValue() << " ("
+                << expectedRanking[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << actualRanking[i].frameRateMode.fps.getIntValue() << " ("
+                << actualRanking[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    lr1.vote = LayerVoteType::Max;
+    lr1.name = "Max";
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+
+    lr3.desiredRefreshRate = 72_Hz;
+    lr3.name = "72Hz";
+
+    lr4.desiredRefreshRate = 90_Hz;
+    lr4.name = "90Hz";
+
+    lr5.desiredRefreshRate = 120_Hz;
+    lr5.name = "120Hz";
+
+    expectedRanking = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{120_Hz, kMode120},
+                        {90_Hz, kMode90},
+                        {72_Hz, kMode72},
+                        {60_Hz, kMode60},
+                        {30_Hz, kMode30}};
+            case Config::FrameRateOverride::Enabled:
+                return {{120_Hz, kMode120}, {90_Hz, kMode90},  {72_Hz, kMode72}, {60_Hz, kMode60},
+                        {45_Hz, kMode90},   {40_Hz, kMode120}, {36_Hz, kMode72}, {30_Hz, kMode30}};
+        }
+    }();
+    actualRanking = selector.getRankedFrameRates(layers, {}).ranking;
+
+    ASSERT_EQ(expectedRanking.size(), actualRanking.size());
+
+    for (size_t i = 0; i < expectedRanking.size(); ++i) {
+        EXPECT_EQ(expectedRanking[i], actualRanking[i].frameRateMode)
+                << "Expected " << expectedRanking[i].fps.getIntValue() << " ("
+                << expectedRanking[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << actualRanking[i].frameRateMode.fps.getIntValue() << " ("
+                << actualRanking[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 30_Hz;
+    lr1.name = "30Hz";
+
+    lr2.desiredRefreshRate = 120_Hz;
+    lr2.name = "120Hz";
+
+    lr3.desiredRefreshRate = 60_Hz;
+    lr3.name = "60Hz";
+
+    lr5.desiredRefreshRate = 72_Hz;
+    lr5.name = "72Hz";
+
+    expectedRanking = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{30_Hz, kMode30},
+                        {60_Hz, kMode60},
+                        {90_Hz, kMode90},
+                        {120_Hz, kMode120},
+                        {72_Hz, kMode72}};
+            case Config::FrameRateOverride::Enabled:
+                return {{30_Hz, kMode30}, {60_Hz, kMode60},  {90_Hz, kMode90}, {120_Hz, kMode120},
+                        {45_Hz, kMode90}, {40_Hz, kMode120}, {72_Hz, kMode72}, {36_Hz, kMode72}};
+        }
+    }();
+    actualRanking = selector.getRankedFrameRates(layers, {}).ranking;
+
+    ASSERT_EQ(expectedRanking.size(), actualRanking.size());
+
+    for (size_t i = 0; i < expectedRanking.size(); ++i) {
+        EXPECT_EQ(expectedRanking[i], actualRanking[i].frameRateMode)
+                << "Expected " << expectedRanking[i].fps.getIntValue() << " ("
+                << expectedRanking[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << actualRanking[i].frameRateMode.fps.getIntValue() << " ("
+                << actualRanking[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+
+    lr1.desiredRefreshRate = 120_Hz;
+    lr1.name = "120Hz";
+    lr1.weight = 0.0f;
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+    lr2.vote = LayerVoteType::NoVote;
+
+    lr3.name = "60Hz-2";
+    lr3.vote = LayerVoteType::Heuristic;
+
+    lr4.vote = LayerVoteType::ExplicitExact;
+
+    lr5.desiredRefreshRate = 120_Hz;
+    lr5.name = "120Hz-2";
+
+    expectedRanking = []() -> std::vector<FrameRateMode> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{90_Hz, kMode90},
+                        {60_Hz, kMode60},
+                        {120_Hz, kMode120},
+                        {72_Hz, kMode72},
+                        {30_Hz, kMode30}};
+            case Config::FrameRateOverride::Enabled:
+                return {{90_Hz, kMode90}, {60_Hz, kMode60},  {120_Hz, kMode120}, {72_Hz, kMode72},
+                        {45_Hz, kMode90}, {40_Hz, kMode120}, {36_Hz, kMode72},   {30_Hz, kMode30}};
+        }
+    }();
+    actualRanking = selector.getRankedFrameRates(layers, {}).ranking;
+
+    ASSERT_EQ(expectedRanking.size(), actualRanking.size());
+
+    for (size_t i = 0; i < expectedRanking.size(); ++i) {
+        EXPECT_EQ(expectedRanking[i], actualRanking[i].frameRateMode)
+                << "Expected " << expectedRanking[i].fps.getIntValue() << " ("
+                << expectedRanking[i].modePtr->getFps().getIntValue() << ")"
+                << " Actual " << actualRanking[i].frameRateMode.fps.getIntValue() << " ("
+                << actualRanking[i].frameRateMode.modePtr->getFps().getIntValue() << ")";
+    }
+}
+
+TEST_P(RefreshRateSelectorTest,
+       getBestFrameRateMode_withDisplayManagerRequestingSingleRate_onlySwitchesRatesForExplicitFocusedLayers) {
+    auto selector = createSelector(kModes_60_90, kModeId90);
+
+    constexpr FpsRange k90 = {90_Hz, 90_Hz};
+    constexpr FpsRange k60_90 = {60_Hz, 90_Hz};
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {k90, k90}, {k60_90, k60_90}}));
+
+    const auto [ranking, signals] = selector.getRankedFrameRates({}, {});
+    EXPECT_EQ(ranking.front().frameRateMode.modePtr, kMode90);
+    EXPECT_FALSE(signals.touch);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr = layers[0];
+
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz ExplicitExactOrMultiple";
+    lr.focused = false;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.focused = true;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::ExplicitDefault;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz ExplicitDefault";
+    lr.focused = false;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.focused = true;
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Heuristic;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Heuristic";
+    lr.focused = false;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.focused = true;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Max;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Max";
+    lr.focused = false;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.focused = true;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.vote = LayerVoteType::Min;
+    lr.desiredRefreshRate = 60_Hz;
+    lr.name = "60Hz Min";
+    lr.focused = false;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+
+    lr.focused = true;
+    EXPECT_EQ(kMode90, selector.getBestFrameRateMode(layers));
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingNotAllowed) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    // The default policy doesn't allow group switching. Verify that no
+    // group switches are performed.
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitDefault;
+    layer.desiredRefreshRate = 90_Hz;
+    layer.seamlessness = Seamlessness::SeamedAndSeamless;
+    layer.name = "90Hz ExplicitDefault";
+    layer.focused = true;
+
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithOneLayer) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitDefault;
+    layer.desiredRefreshRate = 90_Hz;
+    layer.seamlessness = Seamlessness::SeamedAndSeamless;
+    layer.name = "90Hz ExplicitDefault";
+    layer.focused = true;
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithOneLayerOnlySeamless) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    // Verify that we won't change the group if seamless switch is required.
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitDefault;
+    layer.desiredRefreshRate = 90_Hz;
+    layer.seamlessness = Seamlessness::OnlySeamless;
+    layer.name = "90Hz ExplicitDefault";
+    layer.focused = true;
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithOneLayerOnlySeamlessDefaultFps) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    // Verify that we won't do a seamless switch if we request the same mode as the default
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitDefault;
+    layer.desiredRefreshRate = 60_Hz;
+    layer.seamlessness = Seamlessness::OnlySeamless;
+    layer.name = "60Hz ExplicitDefault";
+    layer.focused = true;
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithOneLayerDefaultSeamlessness) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    // Verify that if the active mode is in another group and there are no layers with
+    // Seamlessness::SeamedAndSeamless, we should switch back to the default group.
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitDefault;
+    layer.desiredRefreshRate = 60_Hz;
+    layer.seamlessness = Seamlessness::Default;
+    layer.name = "60Hz ExplicitDefault";
+    layer.focused = true;
+
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithTwoLayersOnlySeamlessAndSeamed) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    // If there's a layer with Seamlessness::SeamedAndSeamless, another layer with
+    // Seamlessness::OnlySeamless can't change the mode group.
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].seamlessness = Seamlessness::OnlySeamless;
+    layers[0].name = "60Hz ExplicitDefault";
+    layers[0].focused = true;
+
+    layers.push_back(LayerRequirement{.weight = 0.5f});
+    layers[1].vote = LayerVoteType::ExplicitDefault;
+    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
+    layers[1].desiredRefreshRate = 90_Hz;
+    layers[1].name = "90Hz ExplicitDefault";
+    layers[1].focused = false;
+
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithTwoLayersDefaultFocusedAndSeamed) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    // If there's a focused layer with Seamlessness::SeamedAndSeamless, another layer with
+    // Seamlessness::Default can't change the mode group back to the group of the default
+    // mode.
+    // For example, this may happen when a video playback requests and gets a seamed switch,
+    // but another layer (with default seamlessness) starts animating. The animating layer
+    // should not cause a seamed switch.
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].seamlessness = Seamlessness::Default;
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].focused = true;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    layers[0].name = "60Hz ExplicitDefault";
+
+    layers.push_back(LayerRequirement{.weight = 0.1f});
+    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
+    layers[1].desiredRefreshRate = 90_Hz;
+    layers[1].focused = true;
+    layers[1].vote = LayerVoteType::ExplicitDefault;
+    layers[1].name = "90Hz ExplicitDefault";
+
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, groupSwitchingWithTwoLayersDefaultNotFocusedAndSeamed) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId60);
+
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    // Layer with Seamlessness::Default can change the mode group if there's an
+    // unfocused layer with Seamlessness::SeamedAndSeamless. For example, this happens
+    // when in split screen mode the user switches between the two visible applications.
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].seamlessness = Seamlessness::Default;
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].focused = true;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    layers[0].name = "60Hz ExplicitDefault";
+
+    layers.push_back(LayerRequirement{.weight = 0.7f});
+    layers[1].seamlessness = Seamlessness::SeamedAndSeamless;
+    layers[1].desiredRefreshRate = 90_Hz;
+    layers[1].focused = false;
+    layers[1].vote = LayerVoteType::ExplicitDefault;
+    layers[1].name = "90Hz ExplicitDefault";
+
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, nonSeamlessVotePrefersSeamlessSwitches) {
+    auto selector = createSelector(kModes_30_60, kModeId60);
+
+    // Allow group switching.
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::ExplicitExactOrMultiple;
+    layer.desiredRefreshRate = 60_Hz;
+    layer.seamlessness = Seamlessness::SeamedAndSeamless;
+    layer.name = "60Hz ExplicitExactOrMultiple";
+    layer.focused = true;
+
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode(layers)->getId());
+
+    selector.setActiveMode(kModeId120, 120_Hz);
+    EXPECT_EQ(kModeId120, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, nonSeamlessExactAndSeamlessMultipleLayers) {
+    auto selector = createSelector(kModes_25_30_50_60, kModeId60);
+
+    // Allow group switching.
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    std::vector<LayerRequirement> layers = {{.name = "60Hz ExplicitDefault",
+                                             .vote = LayerVoteType::ExplicitDefault,
+                                             .desiredRefreshRate = 60_Hz,
+                                             .seamlessness = Seamlessness::SeamedAndSeamless,
+                                             .weight = 0.5f,
+                                             .focused = false},
+                                            {.name = "25Hz ExplicitExactOrMultiple",
+                                             .vote = LayerVoteType::ExplicitExactOrMultiple,
+                                             .desiredRefreshRate = 25_Hz,
+                                             .seamlessness = Seamlessness::OnlySeamless,
+                                             .weight = 1.f,
+                                             .focused = true}};
+
+    EXPECT_EQ(kModeId50, selector.getBestFrameRateMode(layers)->getId());
+
+    auto& seamedLayer = layers[0];
+    seamedLayer.desiredRefreshRate = 30_Hz;
+    seamedLayer.name = "30Hz ExplicitDefault";
+    selector.setActiveMode(kModeId30, 30_Hz);
+
+    EXPECT_EQ(kModeId25, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, minLayersDontTrigerSeamedSwitch) {
+    auto selector = createSelector(kModes_60_90_G1, kModeId90);
+
+    // Allow group switching.
+    RefreshRateSelector::DisplayManagerPolicy policy;
+    policy.defaultMode = selector.getCurrentPolicy().defaultMode;
+    policy.allowGroupSwitching = true;
+    EXPECT_EQ(SetPolicyResult::Changed, selector.setPolicy(policy));
+
+    std::vector<LayerRequirement> layers = {
+            {.name = "Min", .vote = LayerVoteType::Min, .weight = 1.f, .focused = true}};
+
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode(layers)->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, primaryVsAppRequestPolicy) {
+    auto selector = createSelector(kModes_30_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+
+    struct Args {
+        bool touch = false;
+        bool focused = true;
+    };
+
+    // Returns the mode selected by getBestFrameRateMode for a single layer with the given
+    // arguments.
+    const auto getFrameRate = [&](LayerVoteType voteType, Fps fps,
+                                  Args args = {}) -> DisplayModeId {
+        layers[0].vote = voteType;
+        layers[0].desiredRefreshRate = fps;
+        layers[0].focused = args.focused;
+        return selector.getBestFrameRateMode(layers, {.touch = args.touch})->getId();
+    };
+
+    constexpr FpsRange k30_60 = {30_Hz, 60_Hz};
+    constexpr FpsRange k30_90 = {30_Hz, 90_Hz};
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {k30_60, k30_60}, {k30_90, k30_90}}));
+
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode()->getId());
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
+    EXPECT_EQ(kModeId30, getFrameRate(LayerVoteType::Min, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Heuristic, 90_Hz));
+    EXPECT_EQ(kModeId90, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz));
+
+    // Unfocused layers are not allowed to override primary range.
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz, {.focused = false}));
+    EXPECT_EQ(kModeId60,
+              getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz, {.focused = false}));
+
+    // Touch boost should be restricted to the primary range.
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz, {.touch = true}));
+
+    // When we're higher than the primary range max due to a layer frame rate setting, touch boost
+    // shouldn't drag us back down to the primary range max.
+    EXPECT_EQ(kModeId90, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz, {.touch = true}));
+    EXPECT_EQ(kModeId60,
+              getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz, {.touch = true}));
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Min, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Max, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Heuristic, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitDefault, 90_Hz));
+    EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz));
+}
+
+TEST_P(RefreshRateSelectorTest, idle) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+
+    const auto getIdleDisplayModeId = [&](LayerVoteType voteType,
+                                          bool touchActive) -> DisplayModeId {
+        layers[0].vote = voteType;
+        layers[0].desiredRefreshRate = 90_Hz;
+
+        const auto [ranking, signals] =
+                selector.getRankedFrameRates(layers, {.touch = touchActive, .idle = true});
+
+        // Refresh rate will be chosen by either touch state or idle state.
+        EXPECT_EQ(!touchActive, signals.idle);
+        return ranking.front().frameRateMode.modePtr->getId();
+    };
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}}));
+
+    // Idle should be lower priority than touch boost.
+    {
+        constexpr bool kTouchActive = true;
+        EXPECT_EQ(kModeId90, getIdleDisplayModeId(LayerVoteType::NoVote, kTouchActive));
+        EXPECT_EQ(kModeId90, getIdleDisplayModeId(LayerVoteType::Min, kTouchActive));
+        EXPECT_EQ(kModeId90, getIdleDisplayModeId(LayerVoteType::Max, kTouchActive));
+        EXPECT_EQ(kModeId90, getIdleDisplayModeId(LayerVoteType::Heuristic, kTouchActive));
+        EXPECT_EQ(kModeId90, getIdleDisplayModeId(LayerVoteType::ExplicitDefault, kTouchActive));
+        EXPECT_EQ(kModeId90,
+                  getIdleDisplayModeId(LayerVoteType::ExplicitExactOrMultiple, kTouchActive));
+    }
+
+    // With no layers, idle should still be lower priority than touch boost.
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode({}, {.touch = true, .idle = true})->getId());
+
+    // Idle should be higher precedence than other layer frame rate considerations.
+    selector.setActiveMode(kModeId90, 90_Hz);
+
+    {
+        constexpr bool kTouchActive = false;
+        EXPECT_EQ(kModeId60, getIdleDisplayModeId(LayerVoteType::NoVote, kTouchActive));
+        EXPECT_EQ(kModeId60, getIdleDisplayModeId(LayerVoteType::Min, kTouchActive));
+        EXPECT_EQ(kModeId60, getIdleDisplayModeId(LayerVoteType::Max, kTouchActive));
+        EXPECT_EQ(kModeId60, getIdleDisplayModeId(LayerVoteType::Heuristic, kTouchActive));
+        EXPECT_EQ(kModeId60, getIdleDisplayModeId(LayerVoteType::ExplicitDefault, kTouchActive));
+        EXPECT_EQ(kModeId60,
+                  getIdleDisplayModeId(LayerVoteType::ExplicitExactOrMultiple, kTouchActive));
+    }
+
+    // Idle should be applied rather than the active mode when there are no layers.
+    EXPECT_EQ(kModeId60, selector.getBestFrameRateMode({}, {.idle = true})->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, findClosestKnownFrameRate) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    for (float fps = 1.0f; fps <= 120.0f; fps += 0.1f) {
+        const auto knownFrameRate = selector.findClosestKnownFrameRate(Fps::fromValue(fps));
+        const Fps expectedFrameRate = [fps] {
+            if (fps < 26.91f) return 24_Hz;
+            if (fps < 37.51f) return 30_Hz;
+            if (fps < 52.51f) return 45_Hz;
+            if (fps < 66.01f) return 60_Hz;
+            if (fps < 81.01f) return 72_Hz;
+            return 90_Hz;
+        }();
+
+        EXPECT_EQ(expectedFrameRate, knownFrameRate);
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_KnownFrameRate) {
+    auto selector = createSelector(kModes_60_90, kModeId60);
+
+    struct Expectation {
+        Fps fps;
+        ftl::NonNull<DisplayModePtr> mode;
+    };
+
+    const std::initializer_list<Expectation> knownFrameRatesExpectations = {
+            {24_Hz, kMode60}, {30_Hz, kMode60}, {45_Hz, kMode90},
+            {60_Hz, kMode60}, {72_Hz, kMode90}, {90_Hz, kMode90},
+    };
+
+    // Make sure the test tests all the known frame rate
+    const auto& knownFrameRates = selector.knownFrameRates();
+    const bool equal = std::equal(knownFrameRates.begin(), knownFrameRates.end(),
+                                  knownFrameRatesExpectations.begin(),
+                                  [](Fps fps, const Expectation& expected) {
+                                      return isApproxEqual(fps, expected.fps);
+                                  });
+    EXPECT_TRUE(equal);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+    layer.vote = LayerVoteType::Heuristic;
+
+    for (const auto& [fps, mode] : knownFrameRatesExpectations) {
+        layer.desiredRefreshRate = fps;
+        EXPECT_EQ(mode, selector.getBestFrameRateMode(layers));
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_ExplicitExact) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
+    auto& explicitExactLayer = layers[0];
+    auto& explicitExactOrMultipleLayer = layers[1];
+
+    explicitExactLayer.vote = LayerVoteType::ExplicitExact;
+    explicitExactLayer.name = "ExplicitExact";
+    explicitExactLayer.desiredRefreshRate = 30_Hz;
+
+    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
+    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
+    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
+
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        EXPECT_FRAME_RATE_MODE(kMode30, 30_Hz,
+                               selector.getBestScoredFrameRate(layers).frameRateMode);
+        EXPECT_FRAME_RATE_MODE(kMode30, 30_Hz,
+                               selector.getBestScoredFrameRate(layers, {.touch = true})
+                                       .frameRateMode);
+
+    } else {
+        EXPECT_FRAME_RATE_MODE(kMode60, 60_Hz,
+                               selector.getBestScoredFrameRate(layers).frameRateMode);
+        EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz,
+                               selector.getBestScoredFrameRate(layers, {.touch = true})
+                                       .frameRateMode);
+    }
+
+    explicitExactOrMultipleLayer.desiredRefreshRate = 120_Hz;
+    explicitExactLayer.desiredRefreshRate = 60_Hz;
+
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        EXPECT_FRAME_RATE_MODE(kMode60, 60_Hz,
+                               selector.getBestScoredFrameRate(layers).frameRateMode);
+    } else {
+        EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz,
+                               selector.getBestScoredFrameRate(layers).frameRateMode);
+    }
+
+    explicitExactLayer.desiredRefreshRate = 72_Hz;
+    EXPECT_FRAME_RATE_MODE(kMode72, 72_Hz, selector.getBestScoredFrameRate(layers).frameRateMode);
+
+    explicitExactLayer.desiredRefreshRate = 90_Hz;
+    EXPECT_FRAME_RATE_MODE(kMode90, 90_Hz, selector.getBestScoredFrameRate(layers).frameRateMode);
+
+    explicitExactLayer.desiredRefreshRate = 120_Hz;
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, selector.getBestScoredFrameRate(layers).frameRateMode);
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_ReadsCache) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    using GlobalSignals = RefreshRateSelector::GlobalSignals;
+    const auto args = std::make_pair(std::vector<LayerRequirement>{},
+                                     GlobalSignals{.touch = true, .idle = true});
+
+    const RefreshRateSelector::RankedFrameRates result = {{RefreshRateSelector::ScoredFrameRate{
+                                                                  {90_Hz, kMode90}}},
+                                                          GlobalSignals{.touch = true}};
+
+    selector.mutableGetRankedRefreshRatesCache() = {args, result};
+
+    EXPECT_EQ(result, selector.getRankedFrameRates(args.first, args.second));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_WritesCache) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId60);
+
+    EXPECT_FALSE(selector.mutableGetRankedRefreshRatesCache());
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
+    RefreshRateSelector::GlobalSignals globalSignals{.touch = true, .idle = true};
+
+    const auto result = selector.getRankedFrameRates(layers, globalSignals);
+
+    const auto& cache = selector.mutableGetRankedRefreshRatesCache();
+    ASSERT_TRUE(cache);
+
+    EXPECT_EQ(cache->arguments, std::make_pair(layers, globalSignals));
+    EXPECT_EQ(cache->result, result);
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_ExplicitExactTouchBoost) {
+    auto selector = createSelector(kModes_60_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
+    auto& explicitExactLayer = layers[0];
+    auto& explicitExactOrMultipleLayer = layers[1];
+
+    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
+    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
+    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
+
+    explicitExactLayer.vote = LayerVoteType::ExplicitExact;
+    explicitExactLayer.name = "ExplicitExact";
+    explicitExactLayer.desiredRefreshRate = 30_Hz;
+
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers, {.touch = true}));
+    } else {
+        EXPECT_EQ(kMode120, selector.getBestFrameRateMode(layers, {.touch = true}));
+    }
+
+    explicitExactOrMultipleLayer.vote = LayerVoteType::NoVote;
+
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers, {.touch = true}));
+}
+
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_FractionalRefreshRates_ExactAndDefault) {
+    auto selector = createSelector(kModes_24_25_30_50_60_Frac, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 0.5f}, {.weight = 0.5f}};
+    auto& explicitDefaultLayer = layers[0];
+    auto& explicitExactOrMultipleLayer = layers[1];
+
+    explicitExactOrMultipleLayer.vote = LayerVoteType::ExplicitExactOrMultiple;
+    explicitExactOrMultipleLayer.name = "ExplicitExactOrMultiple";
+    explicitExactOrMultipleLayer.desiredRefreshRate = 60_Hz;
+
+    explicitDefaultLayer.vote = LayerVoteType::ExplicitDefault;
+    explicitDefaultLayer.name = "ExplicitDefault";
+    explicitDefaultLayer.desiredRefreshRate = 59.94_Hz;
+
+    EXPECT_EQ(kMode60, selector.getBestFrameRateMode(layers));
+}
+
+// b/190578904
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_withCloseRefreshRates) {
+    if (g_noSlowTests) {
+        GTEST_SKIP();
+    }
+
+    const int kMinRefreshRate = RefreshRateSelector::kMinSupportedFrameRate.getIntValue();
+    constexpr int kMaxRefreshRate = 240;
+
+    DisplayModes displayModes;
+    for (int fps = kMinRefreshRate; fps < kMaxRefreshRate; fps++) {
+        const DisplayModeId modeId(fps);
+        displayModes.try_emplace(modeId,
+                                 createDisplayMode(modeId,
+                                                   Fps::fromValue(static_cast<float>(fps))));
+    }
+
+    const auto selector = createSelector(std::move(displayModes), DisplayModeId(kMinRefreshRate));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    const auto testRefreshRate = [&](Fps fps, LayerVoteType vote) {
+        layers[0].desiredRefreshRate = fps;
+        layers[0].vote = vote;
+        EXPECT_EQ(fps.getIntValue(), selector.getBestFrameRateMode(layers)->getFps().getIntValue())
+                << "Failed for " << ftl::enum_string(vote);
+    };
+
+    for (int fps = kMinRefreshRate; fps < kMaxRefreshRate; fps++) {
+        const auto refreshRate = Fps::fromValue(static_cast<float>(fps));
+        testRefreshRate(refreshRate, LayerVoteType::Heuristic);
+        testRefreshRate(refreshRate, LayerVoteType::ExplicitDefault);
+        testRefreshRate(refreshRate, LayerVoteType::ExplicitExactOrMultiple);
+        testRefreshRate(refreshRate, LayerVoteType::ExplicitExact);
+    }
+}
+
+// b/190578904
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_conflictingVotes) {
+    constexpr DisplayModeId kActiveModeId{0};
+    DisplayModes displayModes = makeModes(createDisplayMode(kActiveModeId, 43_Hz),
+                                          createDisplayMode(DisplayModeId(1), 53_Hz),
+                                          createDisplayMode(DisplayModeId(2), 55_Hz),
+                                          createDisplayMode(DisplayModeId(3), 60_Hz));
+
+    const RefreshRateSelector::GlobalSignals globalSignals = {.touch = false, .idle = false};
+    const auto selector = createSelector(std::move(displayModes), kActiveModeId);
+
+    const std::vector<LayerRequirement> layers = {
+            {
+                    .vote = LayerVoteType::ExplicitDefault,
+                    .desiredRefreshRate = 43_Hz,
+                    .seamlessness = Seamlessness::SeamedAndSeamless,
+                    .weight = 0.41f,
+            },
+            {
+                    .vote = LayerVoteType::ExplicitExactOrMultiple,
+                    .desiredRefreshRate = 53_Hz,
+                    .seamlessness = Seamlessness::SeamedAndSeamless,
+                    .weight = 0.41f,
+            },
+    };
+
+    EXPECT_EQ(53_Hz, selector.getBestFrameRateMode(layers, globalSignals)->getFps());
+}
+
+TEST_P(RefreshRateSelectorTest, modeComparison) {
+    EXPECT_LT(kMode60->getFps(), kMode90->getFps());
+    EXPECT_GE(kMode60->getFps(), kMode60->getFps());
+    EXPECT_GE(kMode90->getFps(), kMode90->getFps());
+}
+
+TEST_P(RefreshRateSelectorTest, testKernelIdleTimerAction) {
+    using KernelIdleTimerAction = RefreshRateSelector::KernelIdleTimerAction;
+
+    auto selector = createSelector(kModes_60_90, kModeId90);
+
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, selector.getIdleTimerAction());
+}
+
+TEST_P(RefreshRateSelectorTest, testKernelIdleTimerActionFor120Hz) {
+    using KernelIdleTimerAction = RefreshRateSelector::KernelIdleTimerAction;
+
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {0_Hz, 60_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {60_Hz, 120_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOn, selector.getIdleTimerAction());
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId120, {120_Hz, 120_Hz}}));
+    EXPECT_EQ(KernelIdleTimerAction::TurnOff, selector.getIdleTimerAction());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateDivisor) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId30);
+
+    const auto frameRate = 30_Hz;
+    Fps displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(1, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, frameRate));
+
+    selector.setActiveMode(kModeId60, 60_Hz);
+    displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(2, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, frameRate));
+
+    selector.setActiveMode(kModeId72, 72_Hz);
+    displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(0, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, frameRate));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+    displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(3, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, frameRate));
+
+    selector.setActiveMode(kModeId120, 120_Hz);
+    displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(4, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, frameRate));
+
+    selector.setActiveMode(kModeId90, 90_Hz);
+    displayRefreshRate = selector.getActiveMode().getFps();
+    EXPECT_EQ(4, RefreshRateSelector::getFrameRateDivisor(displayRefreshRate, 22.5_Hz));
+
+    EXPECT_EQ(0, RefreshRateSelector::getFrameRateDivisor(24_Hz, 25_Hz));
+    EXPECT_EQ(0, RefreshRateSelector::getFrameRateDivisor(24_Hz, 23.976_Hz));
+    EXPECT_EQ(0, RefreshRateSelector::getFrameRateDivisor(30_Hz, 29.97_Hz));
+    EXPECT_EQ(0, RefreshRateSelector::getFrameRateDivisor(60_Hz, 59.94_Hz));
+}
+
+TEST_P(RefreshRateSelectorTest, isFractionalPairOrMultiple) {
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(23.976_Hz, 24_Hz));
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(24_Hz, 23.976_Hz));
+
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(29.97_Hz, 30_Hz));
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(30_Hz, 29.97_Hz));
+
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(59.94_Hz, 60_Hz));
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(60_Hz, 59.94_Hz));
+
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(29.97_Hz, 60_Hz));
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(60_Hz, 29.97_Hz));
+
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(59.94_Hz, 30_Hz));
+    EXPECT_TRUE(RefreshRateSelector::isFractionalPairOrMultiple(30_Hz, 59.94_Hz));
+
+    const auto refreshRates = {23.976_Hz, 24_Hz, 25_Hz, 29.97_Hz, 30_Hz, 50_Hz, 59.94_Hz, 60_Hz};
+    for (auto refreshRate : refreshRates) {
+        EXPECT_FALSE(RefreshRateSelector::isFractionalPairOrMultiple(refreshRate, refreshRate));
+    }
+
+    EXPECT_FALSE(RefreshRateSelector::isFractionalPairOrMultiple(24_Hz, 25_Hz));
+    EXPECT_FALSE(RefreshRateSelector::isFractionalPairOrMultiple(23.978_Hz, 25_Hz));
+    EXPECT_FALSE(RefreshRateSelector::isFractionalPairOrMultiple(29.97_Hz, 59.94_Hz));
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_noLayers) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    EXPECT_TRUE(selector.getFrameRateOverrides({}, 120_Hz, {}).empty());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_NonExplicit) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 60_Hz;
+
+    layers[0].vote = LayerVoteType::NoVote;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+
+    layers[0].vote = LayerVoteType::Min;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+
+    layers[0].vote = LayerVoteType::Max;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+
+    layers[0].vote = LayerVoteType::Heuristic;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_Disabled) {
+    if (GetParam() != Config::FrameRateOverride::Disabled) {
+        return;
+    }
+
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 60_Hz;
+
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+
+    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+
+    layers[0].vote = LayerVoteType::ExplicitExact;
+    EXPECT_TRUE(selector.getFrameRateOverrides(layers, 120_Hz, {}).empty());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_60on120) {
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        return;
+    }
+
+    ASSERT_TRUE(GetParam() == Config::FrameRateOverride::AppOverrideNativeRefreshRates ||
+                GetParam() == Config::FrameRateOverride::AppOverride ||
+                GetParam() == Config::FrameRateOverride::Enabled);
+
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 60_Hz;
+
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    auto frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExact;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_twoUids) {
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        return;
+    }
+
+    ASSERT_TRUE(GetParam() == Config::FrameRateOverride::AppOverrideNativeRefreshRates ||
+                GetParam() == Config::FrameRateOverride::AppOverride ||
+                GetParam() == Config::FrameRateOverride::Enabled);
+
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.ownerUid = 1234, .weight = 1.f},
+                                            {.ownerUid = 5678, .weight = 1.f}};
+
+    layers[0].name = "Test layer 1234";
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+
+    layers[1].name = "Test layer 5678";
+    layers[1].desiredRefreshRate = 30_Hz;
+    layers[1].vote = LayerVoteType::ExplicitDefault;
+    auto frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+
+    EXPECT_EQ(2u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+    ASSERT_EQ(1u, frameRateOverrides.count(5678));
+    EXPECT_EQ(30_Hz, frameRateOverrides.at(5678));
+
+    layers[1].vote = LayerVoteType::Heuristic;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    layers[1].ownerUid = 1234;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_TRUE(frameRateOverrides.empty());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_touch) {
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        return;
+    }
+
+    ASSERT_TRUE(GetParam() == Config::FrameRateOverride::AppOverrideNativeRefreshRates ||
+                GetParam() == Config::FrameRateOverride::AppOverride ||
+                GetParam() == Config::FrameRateOverride::Enabled);
+
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.ownerUid = 1234, .weight = 1.f}};
+    layers[0].name = "Test layer";
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+
+    auto frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExact;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {.touch = true});
+    EXPECT_TRUE(frameRateOverrides.empty());
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_DivisorIsNotDisplayRefreshRate) {
+    if (GetParam() == Config::FrameRateOverride::Disabled) {
+        return;
+    }
+
+    ASSERT_TRUE(GetParam() == Config::FrameRateOverride::AppOverrideNativeRefreshRates ||
+                GetParam() == Config::FrameRateOverride::AppOverride ||
+                GetParam() == Config::FrameRateOverride::Enabled);
+
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 30_Hz;
+
+    const auto expetedFps =
+            GetParam() == Config::FrameRateOverride::AppOverrideNativeRefreshRates ? 60_Hz : 30_Hz;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+    auto frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(expetedFps, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExactOrMultiple;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(expetedFps, frameRateOverrides.at(1234));
+
+    layers[0].vote = LayerVoteType::ExplicitExact;
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    ASSERT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(expetedFps, frameRateOverrides.at(1234));
+}
+
+TEST_P(RefreshRateSelectorTest, renderFrameRateInvalidPolicy) {
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    // The render frame rate cannot be greater than the physical refresh rate
+    {
+        const FpsRange physical = {60_Hz, 60_Hz};
+        const FpsRange render = {60_Hz, 120_Hz};
+        EXPECT_EQ(SetPolicyResult::Invalid,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId60, {physical, render}, {physical, render}}));
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, renderFrameRateRestrictsPhysicalRefreshRate) {
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    {
+        const FpsRange physical = {0_Hz, 120_Hz};
+        const FpsRange render = {0_Hz, 60_Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId60, {physical, render}, {physical, render}}));
+        const auto expectedMaxMode =
+                GetParam() == Config::FrameRateOverride::Enabled ? kMode120 : kMode60;
+        EXPECT_EQ(expectedMaxMode, selector.getMaxRefreshRateByPolicy());
+        EXPECT_EQ(kMode60, selector.getMinRefreshRateByPolicy());
+    }
+
+    {
+        const FpsRange physical = {0_Hz, 120_Hz};
+        const FpsRange render = {120_Hz, 120_Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId60, {physical, render}, {physical, render}}));
+        EXPECT_EQ(kMode120, selector.getMaxRefreshRateByPolicy());
+        EXPECT_EQ(kMode120, selector.getMinRefreshRateByPolicy());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, getFrameRateOverrides_InPolicy) {
+    if (GetParam() != Config::FrameRateOverride::Enabled) {
+        return;
+    }
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    {
+        const FpsRange physical = {120_Hz, 120_Hz};
+        const FpsRange render = {60_Hz, 90_Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId120, {physical, render}, {physical, render}}));
+    }
+
+    layers[0].name = "30Hz";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 30_Hz;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+
+    auto frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    EXPECT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(60_Hz, frameRateOverrides.at(1234));
+
+    {
+        const FpsRange physical = {120_Hz, 120_Hz};
+        const FpsRange render = {30_Hz, 90_Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId120, {physical, render}, {physical, render}}));
+    }
+
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    EXPECT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(30_Hz, frameRateOverrides.at(1234));
+
+    {
+        const FpsRange physical = {120_Hz, 120_Hz};
+        const FpsRange render = {30_Hz, 30_Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy(
+                          {kModeId120, {physical, render}, {physical, render}}));
+    }
+
+    layers[0].name = "60Hz";
+    layers[0].ownerUid = 1234;
+    layers[0].desiredRefreshRate = 60_Hz;
+    layers[0].vote = LayerVoteType::ExplicitDefault;
+
+    frameRateOverrides = selector.getFrameRateOverrides(layers, 120_Hz, {});
+    EXPECT_EQ(1u, frameRateOverrides.size());
+    EXPECT_EQ(1u, frameRateOverrides.count(1234));
+    EXPECT_EQ(30_Hz, frameRateOverrides.at(1234));
+}
+
+TEST_P(RefreshRateSelectorTest, renderFrameRates) {
+    auto selector = createSelector(kModes_30_60_72_90_120, kModeId120);
+
+    // [renderRate, refreshRate]
+    const auto expected = []() -> std::vector<std::pair<Fps, Fps>> {
+        switch (GetParam()) {
+            case Config::FrameRateOverride::Disabled:
+            case Config::FrameRateOverride::AppOverrideNativeRefreshRates:
+            case Config::FrameRateOverride::AppOverride:
+                return {{30_Hz, 30_Hz},
+                        {60_Hz, 60_Hz},
+                        {72_Hz, 72_Hz},
+                        {90_Hz, 90_Hz},
+                        {120_Hz, 120_Hz}};
+            case Config::FrameRateOverride::Enabled:
+                return {{30_Hz, 30_Hz}, {36_Hz, 72_Hz}, {40_Hz, 120_Hz}, {45_Hz, 90_Hz},
+                        {60_Hz, 60_Hz}, {72_Hz, 72_Hz}, {90_Hz, 90_Hz},  {120_Hz, 120_Hz}};
+        }
+    }();
+
+    const auto& primaryRefreshRates = selector.getPrimaryFrameRates();
+    ASSERT_EQ(expected.size(), primaryRefreshRates.size());
+
+    for (size_t i = 0; i < expected.size(); i++) {
+        const auto [expectedRenderRate, expectedRefreshRate] = expected[i];
+        EXPECT_EQ(expectedRenderRate, primaryRefreshRates[i].fps);
+        EXPECT_EQ(expectedRefreshRate, primaryRefreshRates[i].modePtr->getFps());
+    }
+}
+
+TEST_P(RefreshRateSelectorTest, refreshRateIsCappedWithRenderFrameRate) {
+    if (GetParam() != Config::FrameRateOverride::Enabled) {
+        return;
+    }
+
+    auto selector = createSelector(kModes_60_120, kModeId60);
+
+    constexpr FpsRange k0_120Hz = {0_Hz, 120_Hz};
+    constexpr FpsRange k0_60Hz = {0_Hz, 60_Hz};
+
+    constexpr FpsRanges kAppRequest = {/*physical*/ k0_120Hz,
+                                       /*render*/ k0_120Hz};
+
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, selector.getBestScoredFrameRate().frameRateMode);
+    {
+        constexpr FpsRanges kPrimary = {/*physical*/ k0_120Hz,
+                                        /*render*/ k0_120Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy({/*defaultMode*/ kModeId60,
+                                                    /*primaryRanges*/
+                                                    kPrimary,
+                                                    /*appRequestRanges*/
+                                                    kAppRequest}));
+    }
+    EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, selector.getBestScoredFrameRate().frameRateMode);
+
+    {
+        constexpr FpsRanges kPrimary = {/*physical*/ k0_60Hz,
+                                        /*render*/ k0_60Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy({/*defaultMode*/ kModeId60,
+                                                    /*primaryRanges*/
+                                                    kPrimary,
+                                                    /*appRequestRanges*/
+                                                    kAppRequest}));
+    }
+    EXPECT_FRAME_RATE_MODE(kMode60, 60_Hz, selector.getBestScoredFrameRate().frameRateMode);
+
+    {
+        constexpr FpsRanges kPrimary = {/*physical*/ k0_120Hz,
+                                        /*render*/ k0_60Hz};
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  selector.setDisplayManagerPolicy({/*defaultMode*/ kModeId60,
+                                                    /*primaryRanges*/
+                                                    kPrimary,
+                                                    /*appRequestRanges*/
+                                                    kAppRequest}));
+    }
+    EXPECT_FRAME_RATE_MODE(kMode60, 60_Hz, selector.getBestScoredFrameRate().frameRateMode);
+}
+
+TEST_P(RefreshRateSelectorTest, renderFrameRates_60_120) {
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& layer = layers[0];
+
+    const auto expectedRenderRate =
+            GetParam() == Config::FrameRateOverride::Enabled ? 30_Hz : 60_Hz;
+
+    layer.name = "30Hz ExplicitDefault";
+    layer.desiredRefreshRate = 30_Hz;
+    layer.vote = LayerVoteType::ExplicitDefault;
+    EXPECT_FRAME_RATE_MODE(kMode60, expectedRenderRate,
+                           selector.getBestScoredFrameRate(layers).frameRateMode);
+
+    layer.name = "30Hz Heuristic";
+    layer.desiredRefreshRate = 30_Hz;
+    layer.vote = LayerVoteType::Heuristic;
+    EXPECT_FRAME_RATE_MODE(kMode60, expectedRenderRate,
+                           selector.getBestScoredFrameRate(layers).frameRateMode);
+
+    layer.name = "30Hz ExplicitExactOrMultiple";
+    layer.desiredRefreshRate = 30_Hz;
+    layer.vote = LayerVoteType::ExplicitExactOrMultiple;
+    EXPECT_FRAME_RATE_MODE(kMode60, expectedRenderRate,
+                           selector.getBestScoredFrameRate(layers).frameRateMode);
+}
+
+TEST_P(RefreshRateSelectorTest, idleWhenLowestRefreshRateIsNotDivisor) {
+    auto selector = createSelector(kModes_35_60_90, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    layers[0].name = "Test layer";
+
+    const auto getIdleDisplayModeId = [&](LayerVoteType voteType,
+                                          bool touchActive) -> DisplayModeId {
+        layers[0].vote = voteType;
+        layers[0].desiredRefreshRate = 90_Hz;
+
+        const auto [ranking, signals] =
+                selector.getRankedFrameRates(layers, {.touch = touchActive, .idle = true});
+
+        // Refresh rate will be chosen by either touch state or idle state.
+        EXPECT_EQ(!touchActive, signals.idle);
+        return ranking.front().frameRateMode.modePtr->getId();
+    };
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId60, {0_Hz, 90_Hz}}));
+
+    // With no layers, idle should still be lower priority than touch boost.
+    EXPECT_EQ(kModeId90, selector.getBestFrameRateMode({}, {.touch = true, .idle = true})->getId());
+
+    // Idle should be higher precedence than other layer frame rate considerations.
+    selector.setActiveMode(kModeId90, 90_Hz);
+    {
+        constexpr bool kTouchActive = false;
+        EXPECT_EQ(kModeId35, getIdleDisplayModeId(LayerVoteType::NoVote, kTouchActive));
+        EXPECT_EQ(kModeId35, getIdleDisplayModeId(LayerVoteType::Min, kTouchActive));
+        EXPECT_EQ(kModeId35, getIdleDisplayModeId(LayerVoteType::Max, kTouchActive));
+        EXPECT_EQ(kModeId35, getIdleDisplayModeId(LayerVoteType::Heuristic, kTouchActive));
+        EXPECT_EQ(kModeId35, getIdleDisplayModeId(LayerVoteType::ExplicitDefault, kTouchActive));
+        EXPECT_EQ(kModeId35,
+                  getIdleDisplayModeId(LayerVoteType::ExplicitExactOrMultiple, kTouchActive));
+    }
+
+    // Idle should be applied rather than the active mode when there are no layers.
+    EXPECT_EQ(kModeId35, selector.getBestFrameRateMode({}, {.idle = true})->getId());
+}
+
+TEST_P(RefreshRateSelectorTest, policyCanBeInfinity) {
+    auto selector = createSelector(kModes_60_120, kModeId120);
+
+    constexpr Fps inf = Fps::fromValue(std::numeric_limits<float>::infinity());
+
+    using namespace fps_approx_ops;
+    selector.setDisplayManagerPolicy({kModeId60, {0_Hz, inf}});
+
+    // With no layers, idle should still be lower priority than touch boost.
+    EXPECT_EQ(kMode120, selector.getMaxRefreshRateByPolicy());
+    EXPECT_EQ(kMode60, selector.getMinRefreshRateByPolicy());
+}
+
+} // namespace
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp b/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
index f19e55409c..409e1ef5d7 100644
--- a/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
@@ -106,40 +106,6 @@ TEST_F(RegionSamplingTest, bounds_checking) {
                 testing::Eq(0.0));
 }
 
-// workaround for b/133849373
-TEST_F(RegionSamplingTest, orientation_90) {
-    std::generate(buffer.begin(), buffer.end(),
-                  [n = 0]() mutable { return (n++ > (kStride * kHeight >> 1)) ? kBlack : kWhite; });
-
-    Rect tl_region{0, 0, 4, 4};
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,
-                           tl_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,
-                           tl_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,
-                           tl_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,
-                           tl_region),
-                testing::Eq(0.0));
-
-    Rect br_region{kWidth - 4, kHeight - 4, kWidth, kHeight};
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,
-                           br_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,
-                           br_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,
-                           br_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,
-                           br_region),
-                testing::Eq(1.0));
-}
-
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
index 93c809e2fd..3ee53c94c2 100644
--- a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
@@ -21,7 +21,7 @@
 #include <mutex>
 
 #include "Scheduler/EventThread.h"
-#include "Scheduler/RefreshRateConfigs.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "TestableScheduler.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockDisplayMode.h"
@@ -41,14 +41,13 @@ namespace {
 using MockEventThread = android::mock::EventThread;
 using MockLayer = android::mock::MockLayer;
 
-constexpr PhysicalDisplayId PHYSICAL_DISPLAY_ID = PhysicalDisplayId::fromPort(255u);
-
 class SchedulerTest : public testing::Test {
 protected:
     class MockEventThreadConnection : public android::EventThreadConnection {
     public:
         explicit MockEventThreadConnection(EventThread* eventThread)
-              : EventThreadConnection(eventThread, /*callingUid=*/0, ResyncCallback()) {}
+              : EventThreadConnection(eventThread, /*callingUid*/ static_cast<uid_t>(0),
+                                      ResyncCallback()) {}
         ~MockEventThreadConnection() = default;
 
         MOCK_METHOD1(stealReceiveChannel, binder::Status(gui::BitTube* outChannel));
@@ -58,14 +57,31 @@ protected:
 
     SchedulerTest();
 
-    static inline const DisplayModePtr kMode60 = createDisplayMode(DisplayModeId(0), 60_Hz);
-    static inline const DisplayModePtr kMode120 = createDisplayMode(DisplayModeId(1), 120_Hz);
-
-    std::shared_ptr<RefreshRateConfigs> mConfigs =
-            std::make_shared<RefreshRateConfigs>(makeModes(kMode60), kMode60->getId());
+    static constexpr PhysicalDisplayId kDisplayId1 = PhysicalDisplayId::fromPort(255u);
+    static inline const ftl::NonNull<DisplayModePtr> kDisplay1Mode60 =
+            ftl::as_non_null(createDisplayMode(kDisplayId1, DisplayModeId(0), 60_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kDisplay1Mode120 =
+            ftl::as_non_null(createDisplayMode(kDisplayId1, DisplayModeId(1), 120_Hz));
+    static inline const DisplayModes kDisplay1Modes = makeModes(kDisplay1Mode60, kDisplay1Mode120);
+
+    static constexpr PhysicalDisplayId kDisplayId2 = PhysicalDisplayId::fromPort(254u);
+    static inline const ftl::NonNull<DisplayModePtr> kDisplay2Mode60 =
+            ftl::as_non_null(createDisplayMode(kDisplayId2, DisplayModeId(0), 60_Hz));
+    static inline const ftl::NonNull<DisplayModePtr> kDisplay2Mode120 =
+            ftl::as_non_null(createDisplayMode(kDisplayId2, DisplayModeId(1), 120_Hz));
+    static inline const DisplayModes kDisplay2Modes = makeModes(kDisplay2Mode60, kDisplay2Mode120);
+
+    static constexpr PhysicalDisplayId kDisplayId3 = PhysicalDisplayId::fromPort(253u);
+    static inline const ftl::NonNull<DisplayModePtr> kDisplay3Mode60 =
+            ftl::as_non_null(createDisplayMode(kDisplayId3, DisplayModeId(0), 60_Hz));
+    static inline const DisplayModes kDisplay3Modes = makeModes(kDisplay3Mode60);
+
+    std::shared_ptr<RefreshRateSelector> mSelector =
+            std::make_shared<RefreshRateSelector>(makeModes(kDisplay1Mode60),
+                                                  kDisplay1Mode60->getId());
 
     mock::SchedulerCallback mSchedulerCallback;
-    TestableScheduler* mScheduler = new TestableScheduler{mConfigs, mSchedulerCallback};
+    TestableScheduler* mScheduler = new TestableScheduler{mSelector, mSchedulerCallback};
 
     ConnectionHandle mConnectionHandle;
     MockEventThread* mEventThread;
@@ -79,7 +95,7 @@ SchedulerTest::SchedulerTest() {
     mEventThread = eventThread.get();
     EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_)).WillOnce(Return(0));
 
-    mEventThreadConnection = new MockEventThreadConnection(mEventThread);
+    mEventThreadConnection = sp<MockEventThreadConnection>::make(mEventThread);
 
     // createConnection call to scheduler makes a createEventConnection call to EventThread. Make
     // sure that call gets executed and returns an EventThread::Connection object.
@@ -104,7 +120,7 @@ TEST_F(SchedulerTest, invalidConnectionHandle) {
 
     // The EXPECT_CALLS make sure we don't call the functions on the subsequent event threads.
     EXPECT_CALL(*mEventThread, onHotplugReceived(_, _)).Times(0);
-    mScheduler->onHotplugReceived(handle, PHYSICAL_DISPLAY_ID, false);
+    mScheduler->onHotplugReceived(handle, kDisplayId1, false);
 
     EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(0);
     mScheduler->onScreenAcquired(handle);
@@ -128,8 +144,8 @@ TEST_F(SchedulerTest, validConnectionHandle) {
     ASSERT_EQ(mEventThreadConnection, connection);
     EXPECT_TRUE(mScheduler->getEventConnection(mConnectionHandle));
 
-    EXPECT_CALL(*mEventThread, onHotplugReceived(PHYSICAL_DISPLAY_ID, false)).Times(1);
-    mScheduler->onHotplugReceived(mConnectionHandle, PHYSICAL_DISPLAY_ID, false);
+    EXPECT_CALL(*mEventThread, onHotplugReceived(kDisplayId1, false)).Times(1);
+    mScheduler->onHotplugReceived(mConnectionHandle, kDisplayId1, false);
 
     EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(1);
     mScheduler->onScreenAcquired(mConnectionHandle);
@@ -165,7 +181,7 @@ TEST_F(SchedulerTest, chooseRefreshRateForContentIsNoopWhenModeSwitchingIsNotSup
     constexpr uint32_t kDisplayArea = 999'999;
     mScheduler->onActiveDisplayAreaChanged(kDisplayArea);
 
-    EXPECT_CALL(mSchedulerCallback, requestDisplayMode(_, _)).Times(0);
+    EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
     mScheduler->chooseRefreshRateForContent();
 }
 
@@ -174,8 +190,10 @@ TEST_F(SchedulerTest, updateDisplayModes) {
     sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
     ASSERT_EQ(1u, mScheduler->layerHistorySize());
 
-    mScheduler->setRefreshRateConfigs(
-            std::make_shared<RefreshRateConfigs>(makeModes(kMode60, kMode120), kMode60->getId()));
+    // Replace `mSelector` with a new `RefreshRateSelector` that has different display modes.
+    mScheduler->registerDisplay(kDisplayId1,
+                                std::make_shared<RefreshRateSelector>(kDisplay1Modes,
+                                                                      kDisplay1Mode60->getId()));
 
     ASSERT_EQ(0u, mScheduler->getNumActiveLayers());
     mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
@@ -192,14 +210,16 @@ TEST_F(SchedulerTest, dispatchCachedReportedMode) {
 TEST_F(SchedulerTest, onNonPrimaryDisplayModeChanged_invalidParameters) {
     const auto mode = DisplayMode::Builder(hal::HWConfigId(0))
                               .setId(DisplayModeId(111))
-                              .setPhysicalDisplayId(PHYSICAL_DISPLAY_ID)
+                              .setPhysicalDisplayId(kDisplayId1)
                               .setVsyncPeriod(111111)
                               .build();
 
     // If the handle is incorrect, the function should return before
     // onModeChange is called.
     ConnectionHandle invalidHandle = {.id = 123};
-    EXPECT_NO_FATAL_FAILURE(mScheduler->onNonPrimaryDisplayModeChanged(invalidHandle, mode));
+    EXPECT_NO_FATAL_FAILURE(
+            mScheduler->onNonPrimaryDisplayModeChanged(invalidHandle,
+                                                       {90_Hz, ftl::as_non_null(mode)}));
     EXPECT_CALL(*mEventThread, onModeChanged(_)).Times(0);
 }
 
@@ -214,12 +234,13 @@ TEST_F(SchedulerTest, calculateMaxAcquiredBufferCount) {
 }
 
 MATCHER(Is120Hz, "") {
-    return isApproxEqual(arg->getFps(), 120_Hz);
+    return isApproxEqual(arg.front().mode.fps, 120_Hz);
 }
 
 TEST_F(SchedulerTest, chooseRefreshRateForContentSelectsMaxRefreshRate) {
-    mScheduler->setRefreshRateConfigs(
-            std::make_shared<RefreshRateConfigs>(makeModes(kMode60, kMode120), kMode60->getId()));
+    mScheduler->registerDisplay(kDisplayId1,
+                                std::make_shared<RefreshRateSelector>(kDisplay1Modes,
+                                                                      kDisplay1Mode60->getId()));
 
     const sp<MockLayer> layer = sp<MockLayer>::make(mFlinger.flinger());
     EXPECT_CALL(*layer, isVisible()).WillOnce(Return(true));
@@ -232,12 +253,146 @@ TEST_F(SchedulerTest, chooseRefreshRateForContentSelectsMaxRefreshRate) {
     constexpr uint32_t kDisplayArea = 999'999;
     mScheduler->onActiveDisplayAreaChanged(kDisplayArea);
 
-    EXPECT_CALL(mSchedulerCallback, requestDisplayMode(Is120Hz(), _)).Times(1);
+    EXPECT_CALL(mSchedulerCallback, requestDisplayModes(Is120Hz())).Times(1);
     mScheduler->chooseRefreshRateForContent();
 
     // No-op if layer requirements have not changed.
-    EXPECT_CALL(mSchedulerCallback, requestDisplayMode(_, _)).Times(0);
+    EXPECT_CALL(mSchedulerCallback, requestDisplayModes(_)).Times(0);
     mScheduler->chooseRefreshRateForContent();
 }
 
+TEST_F(SchedulerTest, chooseDisplayModesSingleDisplay) {
+    mScheduler->registerDisplay(kDisplayId1,
+                                std::make_shared<RefreshRateSelector>(kDisplay1Modes,
+                                                                      kDisplay1Mode60->getId()));
+
+    std::vector<RefreshRateSelector::LayerRequirement> layers =
+            std::vector<RefreshRateSelector::LayerRequirement>({{.weight = 1.f}, {.weight = 1.f}});
+    mScheduler->setContentRequirements(layers);
+    GlobalSignals globalSignals = {.idle = true};
+    mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+    using DisplayModeChoice = TestableScheduler::DisplayModeChoice;
+
+    auto modeChoices = mScheduler->chooseDisplayModes();
+    ASSERT_EQ(1u, modeChoices.size());
+
+    auto choice = modeChoices.get(kDisplayId1);
+    ASSERT_TRUE(choice);
+    EXPECT_EQ(choice->get(), DisplayModeChoice({60_Hz, kDisplay1Mode60}, globalSignals));
+
+    globalSignals = {.idle = false};
+    mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+    modeChoices = mScheduler->chooseDisplayModes();
+    ASSERT_EQ(1u, modeChoices.size());
+
+    choice = modeChoices.get(kDisplayId1);
+    ASSERT_TRUE(choice);
+    EXPECT_EQ(choice->get(), DisplayModeChoice({120_Hz, kDisplay1Mode120}, globalSignals));
+
+    globalSignals = {.touch = true};
+    mScheduler->replaceTouchTimer(10);
+    mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+    modeChoices = mScheduler->chooseDisplayModes();
+    ASSERT_EQ(1u, modeChoices.size());
+
+    choice = modeChoices.get(kDisplayId1);
+    ASSERT_TRUE(choice);
+    EXPECT_EQ(choice->get(), DisplayModeChoice({120_Hz, kDisplay1Mode120}, globalSignals));
+
+    mScheduler->unregisterDisplay(kDisplayId1);
+    EXPECT_FALSE(mScheduler->hasRefreshRateSelectors());
+}
+
+TEST_F(SchedulerTest, chooseDisplayModesMultipleDisplays) {
+    mScheduler->registerDisplay(kDisplayId1,
+                                std::make_shared<RefreshRateSelector>(kDisplay1Modes,
+                                                                      kDisplay1Mode60->getId()));
+    mScheduler->registerDisplay(kDisplayId2,
+                                std::make_shared<RefreshRateSelector>(kDisplay2Modes,
+                                                                      kDisplay2Mode60->getId()));
+
+    using DisplayModeChoice = TestableScheduler::DisplayModeChoice;
+    TestableScheduler::DisplayModeChoiceMap expectedChoices;
+
+    {
+        const GlobalSignals globalSignals = {.idle = true};
+        expectedChoices =
+                ftl::init::map<const PhysicalDisplayId&,
+                               DisplayModeChoice>(kDisplayId1,
+                                                  FrameRateMode{60_Hz, kDisplay1Mode60},
+                                                  globalSignals)(kDisplayId2,
+                                                                 FrameRateMode{60_Hz,
+                                                                               kDisplay2Mode60},
+                                                                 globalSignals);
+
+        std::vector<RefreshRateSelector::LayerRequirement> layers = {{.weight = 1.f},
+                                                                     {.weight = 1.f}};
+        mScheduler->setContentRequirements(layers);
+        mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+        const auto actualChoices = mScheduler->chooseDisplayModes();
+        EXPECT_EQ(expectedChoices, actualChoices);
+    }
+    {
+        const GlobalSignals globalSignals = {.idle = false};
+        expectedChoices =
+                ftl::init::map<const PhysicalDisplayId&,
+                               DisplayModeChoice>(kDisplayId1,
+                                                  FrameRateMode{120_Hz, kDisplay1Mode120},
+                                                  globalSignals)(kDisplayId2,
+                                                                 FrameRateMode{120_Hz,
+                                                                               kDisplay2Mode120},
+                                                                 globalSignals);
+
+        mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+        const auto actualChoices = mScheduler->chooseDisplayModes();
+        EXPECT_EQ(expectedChoices, actualChoices);
+    }
+    {
+        const GlobalSignals globalSignals = {.touch = true};
+        mScheduler->replaceTouchTimer(10);
+        mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+        expectedChoices =
+                ftl::init::map<const PhysicalDisplayId&,
+                               DisplayModeChoice>(kDisplayId1,
+                                                  FrameRateMode{120_Hz, kDisplay1Mode120},
+                                                  globalSignals)(kDisplayId2,
+                                                                 FrameRateMode{120_Hz,
+                                                                               kDisplay2Mode120},
+                                                                 globalSignals);
+
+        const auto actualChoices = mScheduler->chooseDisplayModes();
+        EXPECT_EQ(expectedChoices, actualChoices);
+    }
+    {
+        // This display does not support 120 Hz, so we should choose 60 Hz despite the touch signal.
+        mScheduler
+                ->registerDisplay(kDisplayId3,
+                                  std::make_shared<RefreshRateSelector>(kDisplay3Modes,
+                                                                        kDisplay3Mode60->getId()));
+
+        const GlobalSignals globalSignals = {.touch = true};
+        mScheduler->replaceTouchTimer(10);
+        mScheduler->setTouchStateAndIdleTimerPolicy(globalSignals);
+
+        expectedChoices = ftl::init::map<
+                const PhysicalDisplayId&,
+                DisplayModeChoice>(kDisplayId1, FrameRateMode{60_Hz, kDisplay1Mode60},
+                                   globalSignals)(kDisplayId2,
+                                                  FrameRateMode{60_Hz, kDisplay2Mode60},
+                                                  globalSignals)(kDisplayId3,
+                                                                 FrameRateMode{60_Hz,
+                                                                               kDisplay3Mode60},
+                                                                 globalSignals);
+
+        const auto actualChoices = mScheduler->chooseDisplayModes();
+        EXPECT_EQ(expectedChoices, actualChoices);
+    }
+}
+
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
index b9a5f36794..6adcd5259d 100644
--- a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -24,8 +24,6 @@
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion"
@@ -78,11 +76,11 @@ SetFrameRateTest::SetFrameRateTest() {
 }
 
 void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->addChild(child.get());
+    layer->addChild(child);
 }
 
 void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->removeChild(child.get());
+    layer->removeChild(child);
 }
 
 void SetFrameRateTest::commitTransaction() {
@@ -374,11 +372,6 @@ TEST_P(SetFrameRateTest, SetOnParentActivatesTree) {
     const auto& layerFactory = GetParam();
 
     auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
-    if (!parent->isVisible()) {
-        // This is a hack as all the test layers except EffectLayer are not visible,
-        // but since the logic is unified in Layer, it should be fine.
-        return;
-    }
 
     auto child = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
     addChild(parent, child);
@@ -390,8 +383,8 @@ TEST_P(SetFrameRateTest, SetOnParentActivatesTree) {
     history.record(parent.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
     history.record(child.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
 
-    const auto configs = mFlinger.mutableScheduler().refreshRateConfigs();
-    const auto summary = history.summarize(*configs, 0);
+    const auto selectorPtr = mFlinger.mutableScheduler().refreshRateSelector();
+    const auto summary = history.summarize(*selectorPtr, 0);
 
     ASSERT_EQ(2u, summary.size());
     EXPECT_EQ(FRAME_RATE_VOTE1.rate, summary[0].desiredRefreshRate);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_CreateDisplayTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_CreateDisplayTest.cpp
index f7d34ac5da..6a9c970bc3 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_CreateDisplayTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_CreateDisplayTest.cpp
@@ -30,9 +30,6 @@ TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForNonsecureDisplay) {
     // --------------------------------------------------------------------
     // Call Expectations
 
-    // The call should notify the interceptor that a display was created.
-    EXPECT_CALL(*mSurfaceInterceptor, saveDisplayCreation(_)).Times(1);
-
     // --------------------------------------------------------------------
     // Invocation
 
@@ -61,9 +58,6 @@ TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForSecureDisplay) {
     // --------------------------------------------------------------------
     // Call Expectations
 
-    // The call should notify the interceptor that a display was created.
-    EXPECT_CALL(*mSurfaceInterceptor, saveDisplayCreation(_)).Times(1);
-
     // --------------------------------------------------------------------
     // Invocation
     int64_t oldId = IPCThreadState::self()->clearCallingIdentity();
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
index c7e61c96d6..93a3811172 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
@@ -37,9 +37,6 @@ TEST_F(DestroyDisplayTest, destroyDisplayClearsCurrentStateForDisplay) {
     // --------------------------------------------------------------------
     // Call Expectations
 
-    // The call should notify the interceptor that a display was created.
-    EXPECT_CALL(*mSurfaceInterceptor, saveDisplayDeletion(_)).Times(1);
-
     // Destroying the display commits a display transaction.
     EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
@@ -65,7 +62,7 @@ TEST_F(DestroyDisplayTest, destroyDisplayHandlesUnknownDisplay) {
     // --------------------------------------------------------------------
     // Preconditions
 
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     // --------------------------------------------------------------------
     // Invocation
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
index 5872a472cd..074bf8cd1e 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
@@ -14,12 +14,14 @@
  * limitations under the License.
  */
 
+#include "mock/MockDisplayModeSpecs.h"
 #include "mock/MockEventThread.h"
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
 #include "DisplayTransactionTestHelpers.h"
 
+#include <ftl/fake_guard.h>
 #include <scheduler/Fps.h>
 
 namespace android {
@@ -40,18 +42,17 @@ public:
         PrimaryDisplayVariant::setupNativeWindowSurfaceCreationCallExpectations(this);
         PrimaryDisplayVariant::setupHwcGetActiveConfigCallExpectations(this);
 
-        mFlinger.onComposerHalHotplug(PrimaryDisplayVariant::HWC_DISPLAY_ID, Connection::CONNECTED);
+        DisplayModes modes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
+        auto selectorPtr = std::make_shared<scheduler::RefreshRateSelector>(modes, kModeId60);
 
-        {
-            DisplayModes modes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
-            auto configs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
+        setupScheduler(selectorPtr);
 
-            mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
-                               .setDisplayModes(std::move(modes), kModeId60, std::move(configs))
-                               .inject();
-        }
+        mFlinger.onComposerHalHotplug(PrimaryDisplayVariant::HWC_DISPLAY_ID, Connection::CONNECTED);
+        mFlinger.configureAndCommit();
 
-        setupScheduler(mDisplay->holdRefreshRateConfigs());
+        mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
+                           .setDisplayModes(std::move(modes), kModeId60, std::move(selectorPtr))
+                           .inject();
 
         // isVsyncPeriodSwitchSupported should return true, otherwise the SF's HWC proxy
         // will call setActiveConfig instead of setActiveConfigWithConstraints.
@@ -60,7 +61,7 @@ public:
     }
 
 protected:
-    void setupScheduler(std::shared_ptr<scheduler::RefreshRateConfigs>);
+    void setupScheduler(std::shared_ptr<scheduler::RefreshRateSelector>);
 
     sp<DisplayDevice> mDisplay;
     mock::EventThread* mAppEventThread;
@@ -80,20 +81,22 @@ protected:
 };
 
 void DisplayModeSwitchingTest::setupScheduler(
-        std::shared_ptr<scheduler::RefreshRateConfigs> configs) {
+        std::shared_ptr<scheduler::RefreshRateSelector> selectorPtr) {
     auto eventThread = std::make_unique<mock::EventThread>();
     mAppEventThread = eventThread.get();
     auto sfEventThread = std::make_unique<mock::EventThread>();
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -106,21 +109,24 @@ void DisplayModeSwitchingTest::setupScheduler(
     mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
                             std::move(eventThread), std::move(sfEventThread),
                             TestableSurfaceFlinger::SchedulerCallbackImpl::kNoOp,
-                            std::move(configs));
+                            std::move(selectorPtr));
 }
 
 TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
-    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(), kModeId90.value(),
-                                        false, 0.f, 120.f, 0.f, 120.f);
+    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
+                                        mock::createDisplayModeSpecs(kModeId90.value(), false, 0,
+                                                                     120));
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     const VsyncPeriodChangeTimeline timeline{.refreshRequired = true};
@@ -133,30 +139,34 @@ TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithRefreshRe
 
     Mock::VerifyAndClearExpectations(mComposer);
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     // Verify that the next commit will complete the mode change and send
     // a onModeChanged event to the framework.
 
-    EXPECT_CALL(*mAppEventThread, onModeChanged(kMode90));
+    EXPECT_CALL(*mAppEventThread,
+                onModeChanged(scheduler::FrameRateMode{90_Hz, ftl::as_non_null(kMode90)}));
     mFlinger.commit();
     Mock::VerifyAndClearExpectations(mAppEventThread);
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId90);
 }
 
 TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithoutRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
-    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(), kModeId90.value(),
-                                        true, 0.f, 120.f, 0.f, 120.f);
+    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
+                                        mock::createDisplayModeSpecs(kModeId90.value(), true, 0,
+                                                                     120));
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     // and complete the mode change.
@@ -166,25 +176,29 @@ TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithoutRefres
                                                hal::HWConfigId(kModeId90.value()), _, _))
             .WillOnce(DoAll(SetArgPointee<3>(timeline), Return(Error::NONE)));
 
-    EXPECT_CALL(*mAppEventThread, onModeChanged(kMode90));
+    EXPECT_CALL(*mAppEventThread,
+                onModeChanged(scheduler::FrameRateMode{90_Hz, ftl::as_non_null(kMode90)}));
 
     mFlinger.commit();
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId90);
 }
 
 TEST_F(DisplayModeSwitchingTest, twoConsecutiveSetDesiredDisplayModeSpecs) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     // Test that if we call setDesiredDisplayModeSpecs while a previous mode change
     // is still being processed the later call will be respected.
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
-    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(), kModeId90.value(),
-                                        false, 0.f, 120.f, 0.f, 120.f);
+    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
+                                        mock::createDisplayModeSpecs(kModeId90.value(), false, 0,
+                                                                     120));
 
     const VsyncPeriodChangeTimeline timeline{.refreshRequired = true};
     EXPECT_CALL(*mComposer,
@@ -194,11 +208,12 @@ TEST_F(DisplayModeSwitchingTest, twoConsecutiveSetDesiredDisplayModeSpecs) {
 
     mFlinger.commit();
 
-    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(), kModeId120.value(),
-                                        false, 0.f, 180.f, 0.f, 180.f);
+    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
+                                        mock::createDisplayModeSpecs(kModeId120.value(), false, 0,
+                                                                     180));
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId120);
+    ASSERT_EQ(mDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId120);
 
     EXPECT_CALL(*mComposer,
                 setActiveConfigWithConstraints(PrimaryDisplayVariant::HWC_DISPLAY_ID,
@@ -208,26 +223,29 @@ TEST_F(DisplayModeSwitchingTest, twoConsecutiveSetDesiredDisplayModeSpecs) {
     mFlinger.commit();
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId120);
+    ASSERT_EQ(mDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId120);
 
     mFlinger.commit();
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId120);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId120);
 }
 
 TEST_F(DisplayModeSwitchingTest, changeResolution_OnActiveDisplay_WithoutRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
-    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(), kModeId90_4K.value(),
-                                        false, 0.f, 120.f, 0.f, 120.f);
+    mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
+                                        mock::createDisplayModeSpecs(kModeId90_4K.value(), false, 0,
+                                                                     120));
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90_4K);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId90_4K);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     // and complete the mode change.
@@ -262,7 +280,7 @@ TEST_F(DisplayModeSwitchingTest, changeResolution_OnActiveDisplay_WithoutRefresh
     mDisplay = mFlinger.getDisplay(displayToken);
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90_4K);
+    ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId90_4K);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
index 9ac29071b2..94d517a3c3 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
@@ -90,15 +90,12 @@ void DisplayTransactionCommitTest::setupCommonCallExpectationsForConnectProcessi
     Case::HdrSupport::setupComposerCallExpectations(this);
     Case::PerFrameMetadataSupport::setupComposerCallExpectations(this);
 
-    EXPECT_CALL(*mSurfaceInterceptor, saveDisplayCreation(_)).Times(1);
     expectHotplugReceived<Case, true>(mEventThread);
     expectHotplugReceived<Case, true>(mSFEventThread);
 }
 
 template <typename Case>
 void DisplayTransactionCommitTest::setupCommonCallExpectationsForDisconnectProcessing() {
-    EXPECT_CALL(*mSurfaceInterceptor, saveDisplayDeletion(_)).Times(1);
-
     expectHotplugReceived<Case, false>(mEventThread);
     expectHotplugReceived<Case, false>(mSFEventThread);
 }
@@ -118,9 +115,7 @@ void DisplayTransactionCommitTest::verifyDisplayIsConnected(const sp<IBinder>& d
         ASSERT_TRUE(displayId);
         const auto hwcDisplayId = Case::Display::HWC_DISPLAY_ID_OPT::value;
         ASSERT_TRUE(hwcDisplayId);
-        expectedPhysical = {.id = *displayId,
-                            .type = *connectionType,
-                            .hwcDisplayId = *hwcDisplayId};
+        expectedPhysical = {.id = *displayId, .hwcDisplayId = *hwcDisplayId};
     }
 
     // The display should have been set up in the current display state
@@ -145,10 +140,13 @@ void DisplayTransactionCommitTest::verifyPhysicalDisplayIsConnected() {
     const auto displayId = Case::Display::DISPLAY_ID::get();
     ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
 
-    const auto displayTokenOpt = mFlinger.mutablePhysicalDisplayTokens().get(displayId);
-    ASSERT_TRUE(displayTokenOpt);
+    const auto displayOpt = mFlinger.mutablePhysicalDisplays().get(displayId);
+    ASSERT_TRUE(displayOpt);
+
+    const auto& display = displayOpt->get();
+    EXPECT_EQ(Case::Display::CONNECTION_TYPE::value, display.snapshot().connectionType());
 
-    verifyDisplayIsConnected<Case>(displayTokenOpt->get());
+    verifyDisplayIsConnected<Case>(display.token());
 }
 
 void DisplayTransactionCommitTest::verifyDisplayIsNotConnected(const sp<IBinder>& displayToken) {
@@ -175,7 +173,7 @@ void DisplayTransactionCommitTest::processesHotplugConnectCommon() {
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -204,7 +202,7 @@ void DisplayTransactionCommitTest::ignoresHotplugConnectCommon() {
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -239,7 +237,7 @@ void DisplayTransactionCommitTest::processesHotplugDisconnectCommon() {
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -247,10 +245,10 @@ void DisplayTransactionCommitTest::processesHotplugDisconnectCommon() {
     // HWComposer should not have an entry for the display
     EXPECT_FALSE(hasPhysicalHwcDisplay(Case::Display::HWC_DISPLAY_ID));
 
-    // SF should not have a display token.
+    // SF should not have a PhysicalDisplay.
     const auto displayId = Case::Display::DISPLAY_ID::get();
     ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
-    ASSERT_FALSE(mFlinger.mutablePhysicalDisplayTokens().contains(displayId));
+    ASSERT_FALSE(mFlinger.mutablePhysicalDisplays().contains(displayId));
 
     // The existing token should have been removed.
     verifyDisplayIsNotConnected(existing.token());
@@ -321,7 +319,7 @@ TEST_F(DisplayTransactionCommitTest, processesHotplugConnectThenDisconnectPrimar
                 // --------------------------------------------------------------------
                 // Invocation
 
-                mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+                mFlinger.configureAndCommit();
 
                 // --------------------------------------------------------------------
                 // Postconditions
@@ -329,10 +327,10 @@ TEST_F(DisplayTransactionCommitTest, processesHotplugConnectThenDisconnectPrimar
                 // HWComposer should not have an entry for the display
                 EXPECT_FALSE(hasPhysicalHwcDisplay(Case::Display::HWC_DISPLAY_ID));
 
-                // SF should not have a display token.
+                // SF should not have a PhysicalDisplay.
                 const auto displayId = Case::Display::DISPLAY_ID::get();
                 ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
-                ASSERT_FALSE(mFlinger.mutablePhysicalDisplayTokens().contains(displayId));
+                ASSERT_FALSE(mFlinger.mutablePhysicalDisplays().contains(displayId));
             }(),
             testing::KilledBySignal(SIGABRT), "Primary display cannot be disconnected.");
 }
@@ -366,7 +364,7 @@ TEST_F(DisplayTransactionCommitTest, processesHotplugDisconnectThenConnectPrimar
                 // --------------------------------------------------------------------
                 // Invocation
 
-                mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+                mFlinger.configureAndCommit();
 
                 // --------------------------------------------------------------------
                 // Postconditions
@@ -376,9 +374,9 @@ TEST_F(DisplayTransactionCommitTest, processesHotplugDisconnectThenConnectPrimar
                 const auto displayId = Case::Display::DISPLAY_ID::get();
                 ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
 
-                const auto displayTokenOpt = mFlinger.mutablePhysicalDisplayTokens().get(displayId);
-                ASSERT_TRUE(displayTokenOpt);
-                EXPECT_NE(existing.token(), displayTokenOpt->get());
+                const auto displayOpt = mFlinger.mutablePhysicalDisplays().get(displayId);
+                ASSERT_TRUE(displayOpt);
+                EXPECT_NE(existing.token(), displayOpt->get().token());
 
                 // A new display should be connected in its place.
                 verifyPhysicalDisplayIsConnected<Case>();
@@ -408,12 +406,12 @@ TEST_F(DisplayTransactionCommitTest, processesVirtualDisplayAdded) {
 
     // A virtual display was added to the current state, and it has a
     // surface(producer)
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     DisplayDeviceState state;
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
 
-    sp<mock::GraphicBufferProducer> surface{new mock::GraphicBufferProducer()};
+    sp<mock::GraphicBufferProducer> surface{sp<mock::GraphicBufferProducer>::make()};
     state.surface = surface;
     mFlinger.mutableCurrentState().displays.add(displayToken, state);
 
@@ -479,7 +477,7 @@ TEST_F(DisplayTransactionCommitTest, processesVirtualDisplayAddedWithNoSurface)
 
     // A virtual display was added to the current state, but it does not have a
     // surface.
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     DisplayDeviceState state;
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
@@ -656,9 +654,11 @@ TEST_F(DisplayTransactionCommitTest, processesDisplayWidthChanges) {
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf =
+
+            sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
@@ -701,9 +701,9 @@ TEST_F(DisplayTransactionCommitTest, processesDisplayHeightChanges) {
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf = sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
@@ -750,9 +750,9 @@ TEST_F(DisplayTransactionCommitTest, processesDisplaySizeDisplayRectAndLayerStac
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf = sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_ExcludeDolbyVisionTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_ExcludeDolbyVisionTest.cpp
new file mode 100644
index 0000000000..0e149d2bfb
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_ExcludeDolbyVisionTest.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "LibSurfaceFlingerUnittests"
+
+#include "DisplayTransactionTestHelpers.h"
+
+namespace android {
+namespace {
+
+using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjector;
+
+class ExcludeDolbyVisionTest : public DisplayTransactionTest {
+public:
+    void injectDisplayModes(std::vector<DisplayModePtr> displayModePtrs) {
+        DisplayModes modes;
+        for (DisplayModePtr displayMode : displayModePtrs) {
+            modes.try_emplace(displayMode->getId(), displayMode);
+        }
+
+        mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
+                           .setDisplayModes(std::move(modes), displayModePtrs[0]->getId())
+                           .inject();
+        mDisplay->overrideHdrTypes(types);
+    }
+
+protected:
+    sp<DisplayDevice> mDisplay;
+
+    static constexpr DisplayModeId modeId1080p60{0};
+    static constexpr DisplayModeId modeId4k30{1};
+    static constexpr DisplayModeId modeId4k60{2};
+
+    static inline const DisplayModePtr mode1080p60 =
+            createDisplayMode(modeId1080p60, 60_Hz, 0, ui::Size(1920, 1080));
+    static inline const DisplayModePtr mode4k30 =
+            createDisplayMode(modeId4k30, 30_Hz, 1, ui::Size(3840, 2160));
+    static inline const DisplayModePtr mode4k30NonStandard =
+            createDisplayMode(modeId4k30, 30.1_Hz, 1, ui::Size(3840, 2160));
+    static inline const DisplayModePtr mode4k60 =
+            createDisplayMode(modeId4k60, 60_Hz, 2, ui::Size(3840, 2160));
+
+    const std::vector<ui::Hdr> types = {ui::Hdr::DOLBY_VISION, ui::Hdr::DOLBY_VISION_4K30,
+                                        ui::Hdr::HDR10_PLUS};
+};
+
+TEST_F(ExcludeDolbyVisionTest, excludesDolbyVisionOnModesHigherThan4k30) {
+    injectDisplayModes({mode4k60});
+    ui::DynamicDisplayInfo info;
+    mFlinger.getDynamicDisplayInfoFromToken(mDisplay->getDisplayToken().promote(), &info);
+
+    std::vector<ui::DisplayMode> displayModes = info.supportedDisplayModes;
+
+    ASSERT_EQ(1, displayModes.size());
+    ASSERT_TRUE(std::any_of(displayModes[0].supportedHdrTypes.begin(),
+                            displayModes[0].supportedHdrTypes.end(),
+                            [](ui::Hdr type) { return type == ui::Hdr::HDR10_PLUS; }));
+    ASSERT_TRUE(displayModes[0].supportedHdrTypes.size() == 1);
+}
+
+TEST_F(ExcludeDolbyVisionTest, includesDolbyVisionOnModesLowerThanOrEqualTo4k30) {
+    injectDisplayModes({mode1080p60, mode4k30, mode4k30NonStandard});
+    ui::DynamicDisplayInfo info;
+    mFlinger.getDynamicDisplayInfoFromToken(mDisplay->getDisplayToken().promote(), &info);
+
+    std::vector<ui::DisplayMode> displayModes = info.supportedDisplayModes;
+
+    ASSERT_EQ(2, displayModes.size());
+    for (size_t i = 0; i < displayModes.size(); i++) {
+        ASSERT_TRUE(std::any_of(displayModes[i].supportedHdrTypes.begin(),
+                                displayModes[i].supportedHdrTypes.end(),
+                                [](ui::Hdr type) { return type == ui::Hdr::HDR10_PLUS; }));
+        ASSERT_TRUE(std::any_of(displayModes[i].supportedHdrTypes.begin(),
+                                displayModes[i].supportedHdrTypes.end(),
+                                [](ui::Hdr type) { return type == ui::Hdr::DOLBY_VISION; }));
+        ASSERT_TRUE(displayModes[i].supportedHdrTypes.size() == 2);
+    }
+}
+
+TEST_F(ExcludeDolbyVisionTest, 4k30IsNotReportedAsAValidHdrType) {
+    injectDisplayModes({mode4k60});
+    ui::DynamicDisplayInfo info;
+    mFlinger.getDynamicDisplayInfoFromToken(mDisplay->getDisplayToken().promote(), &info);
+
+    std::vector<ui::Hdr> displayHdrTypes = info.hdrCapabilities.getSupportedHdrTypes();
+
+    ASSERT_EQ(2, displayHdrTypes.size());
+    ASSERT_TRUE(std::any_of(displayHdrTypes.begin(), displayHdrTypes.end(),
+                            [](ui::Hdr type) { return type == ui::Hdr::HDR10_PLUS; }));
+    ASSERT_TRUE(std::any_of(displayHdrTypes.begin(), displayHdrTypes.end(),
+                            [](ui::Hdr type) { return type == ui::Hdr::DOLBY_VISION; }));
+}
+
+} // namespace
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
index 0171f1b41d..5951c9893f 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
@@ -95,7 +95,7 @@ TEST_F(GetDisplayNativePrimaries, internalDisplayWithPrimariesData) {
 }
 
 TEST_F(GetDisplayNativePrimaries, notInternalDisplayToken) {
-    sp<BBinder> notInternalDisplayToken = new BBinder();
+    sp<BBinder> notInternalDisplayToken = sp<BBinder>::make();
 
     ui::DisplayPrimaries primaries;
     populateDummyDisplayNativePrimaries(primaries);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
index c9a2b00fa3..1210d0b472 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
@@ -20,41 +20,18 @@
 #include "DisplayTransactionTestHelpers.h"
 
 namespace android {
-namespace {
 
 class HotplugTest : public DisplayTransactionTest {};
 
-TEST_F(HotplugTest, enqueuesEventsForDisplayTransaction) {
-    constexpr HWDisplayId hwcDisplayId1 = 456;
-    constexpr HWDisplayId hwcDisplayId2 = 654;
-
-    // --------------------------------------------------------------------
-    // Preconditions
-
-    // Set the main thread id so that the current thread does not appear to be
-    // the main thread.
-    mFlinger.mutableMainThreadId() = std::thread::id();
-
-    // --------------------------------------------------------------------
-    // Call Expectations
+TEST_F(HotplugTest, schedulesConfigureToProcessHotplugEvents) {
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleConfigure()).Times(2);
 
-    // We expect a scheduled commit for the display transaction.
-    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
-
-    // --------------------------------------------------------------------
-    // Invocation
-
-    // Simulate two hotplug events (a connect and a disconnect)
+    constexpr HWDisplayId hwcDisplayId1 = 456;
     mFlinger.onComposerHalHotplug(hwcDisplayId1, Connection::CONNECTED);
-    mFlinger.onComposerHalHotplug(hwcDisplayId2, Connection::DISCONNECTED);
-
-    // --------------------------------------------------------------------
-    // Postconditions
 
-    // The display transaction needed flag should be set.
-    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
+    constexpr HWDisplayId hwcDisplayId2 = 654;
+    mFlinger.onComposerHalHotplug(hwcDisplayId2, Connection::DISCONNECTED);
 
-    // All events should be in the pending event queue.
     const auto& pendingEvents = mFlinger.mutablePendingHotplugEvents();
     ASSERT_EQ(2u, pendingEvents.size());
     EXPECT_EQ(hwcDisplayId1, pendingEvents[0].hwcDisplayId);
@@ -63,49 +40,83 @@ TEST_F(HotplugTest, enqueuesEventsForDisplayTransaction) {
     EXPECT_EQ(Connection::DISCONNECTED, pendingEvents[1].connection);
 }
 
-TEST_F(HotplugTest, processesEnqueuedEventsIfCalledOnMainThread) {
+TEST_F(HotplugTest, schedulesFrameToCommitDisplayTransaction) {
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleConfigure()).Times(1);
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
     constexpr HWDisplayId displayId1 = 456;
+    mFlinger.onComposerHalHotplug(displayId1, Connection::DISCONNECTED);
+    mFlinger.configure();
 
-    // --------------------------------------------------------------------
-    // Note:
-    // --------------------------------------------------------------------
-    // This test case is a bit tricky. We want to verify that
-    // onComposerHalHotplug() calls processDisplayHotplugEventsLocked(), but we
-    // don't really want to provide coverage for everything the later function
-    // does as there are specific tests for it.
-    // --------------------------------------------------------------------
+    // The configure stage should consume the hotplug queue and produce a display transaction.
+    EXPECT_TRUE(mFlinger.mutablePendingHotplugEvents().empty());
+    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
+}
 
-    // --------------------------------------------------------------------
-    // Preconditions
+TEST_F(HotplugTest, ignoresDuplicateDisconnection) {
+    // Inject a primary display.
+    PrimaryDisplayVariant::injectHwcDisplay(this);
 
-    // Set the main thread id so that the current thread does appear to be the
-    // main thread.
-    mFlinger.mutableMainThreadId() = std::this_thread::get_id();
+    using ExternalDisplay = ExternalDisplayVariant;
+    ExternalDisplay::setupHwcHotplugCallExpectations(this);
+    ExternalDisplay::setupHwcGetActiveConfigCallExpectations(this);
 
-    // --------------------------------------------------------------------
-    // Call Expectations
+    // TODO(b/241286146): Remove this unnecessary call.
+    EXPECT_CALL(*mComposer,
+                setVsyncEnabled(ExternalDisplay::HWC_DISPLAY_ID, IComposerClient::Vsync::DISABLE))
+            .WillOnce(Return(Error::NONE));
 
-    // We expect a scheduled commit for the display transaction.
+    // A single commit should be scheduled for both configure calls.
     EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
-    // --------------------------------------------------------------------
-    // Invocation
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::CONNECTED);
+    mFlinger.configure();
 
-    // Simulate a disconnect on a display id that is not connected. This should
-    // be enqueued by onComposerHalHotplug(), and dequeued by
-    // processDisplayHotplugEventsLocked(), but then ignored as invalid.
-    mFlinger.onComposerHalHotplug(displayId1, Connection::DISCONNECTED);
+    EXPECT_TRUE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
 
-    // --------------------------------------------------------------------
-    // Postconditions
+    // Disconnecting a display that was already disconnected should be a no-op.
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    mFlinger.configure();
 
-    // The display transaction needed flag should be set.
-    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
+    // The display should be scheduled for removal during the next commit. At this point, it should
+    // still exist but be marked as disconnected.
+    EXPECT_TRUE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+    EXPECT_FALSE(mFlinger.getHwComposer().isConnected(ExternalDisplay::DISPLAY_ID::get()));
+}
 
-    // There should be no event queued on return, as it should have been
-    // processed.
-    EXPECT_TRUE(mFlinger.mutablePendingHotplugEvents().empty());
+TEST_F(HotplugTest, rejectsHotplugIfFailedToLoadDisplayModes) {
+    // Inject a primary display.
+    PrimaryDisplayVariant::injectHwcDisplay(this);
+
+    using ExternalDisplay = ExternalDisplayVariant;
+    constexpr bool kFailedHotplug = true;
+    ExternalDisplay::setupHwcHotplugCallExpectations<kFailedHotplug>(this);
+
+    // Simulate a connect event that fails to load display modes due to HWC already having
+    // disconnected the display but SF yet having to process the queued disconnect event.
+    EXPECT_CALL(*mComposer, getActiveConfig(ExternalDisplay::HWC_DISPLAY_ID, _))
+            .WillRepeatedly(Return(Error::BAD_DISPLAY));
+
+    // TODO(b/241286146): Remove this unnecessary call.
+    EXPECT_CALL(*mComposer,
+                setVsyncEnabled(ExternalDisplay::HWC_DISPLAY_ID, IComposerClient::Vsync::DISABLE))
+            .WillOnce(Return(Error::NONE));
+
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::CONNECTED);
+    mFlinger.configure();
+
+    // The hotplug should be rejected, so no HWComposer::DisplayData should be created.
+    EXPECT_FALSE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+
+    // Disconnecting a display that does not exist should be a no-op.
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    mFlinger.configure();
+
+    EXPECT_FALSE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
 }
 
-} // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_NotifyPowerBoostTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_NotifyPowerBoostTest.cpp
index ec7e8a7f82..4e9f293dc3 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_NotifyPowerBoostTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_NotifyPowerBoostTest.cpp
@@ -21,6 +21,7 @@
 #include <thread>
 
 #include "DisplayTransactionTestHelpers.h"
+#include "FakeDisplayInjector.h"
 
 #include <android/hardware/power/Boost.h>
 
@@ -32,6 +33,8 @@ using android::hardware::power::Boost;
 TEST_F(DisplayTransactionTest, notifyPowerBoostNotifiesTouchEvent) {
     using namespace std::chrono_literals;
 
+    injectDefaultInternalDisplay([](FakeDisplayDeviceInjector&) {});
+
     mFlinger.scheduler()->replaceTouchTimer(100);
     std::this_thread::sleep_for(10ms);                  // wait for callback to be triggered
     EXPECT_TRUE(mFlinger.scheduler()->isTouchActive()); // Starting timer activates touch
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
index 37cf05ef64..f553a23f3c 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
@@ -38,11 +38,6 @@ TEST_F(OnInitializeDisplaysTest, onInitializeDisplaysSetsUpPrimaryDisplay) {
     // --------------------------------------------------------------------
     // Call Expectations
 
-    // We expect the surface interceptor to possibly be used, but we treat it as
-    // disabled since it is called as a side effect rather than directly by this
-    // function.
-    EXPECT_CALL(*mSurfaceInterceptor, isEnabled()).WillOnce(Return(false));
-
     // We expect a call to get the active display config.
     Case::Display::setupHwcGetActiveConfigCallExpectations(this);
 
@@ -78,19 +73,8 @@ TEST_F(OnInitializeDisplaysTest, onInitializeDisplaysSetsUpPrimaryDisplay) {
     auto displayDevice = primaryDisplay.mutableDisplayDevice();
     EXPECT_EQ(PowerMode::ON, displayDevice->getPowerMode());
 
-    // The display refresh period should be set in the orientedDisplaySpaceRect tracker.
-    FrameStats stats;
-    mFlinger.getAnimFrameTracker().getStats(&stats);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, stats.refreshPeriodNano);
-
     // The display transaction needed flag should be set.
     EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
-
-    // The compositor timing should be set to default values
-    const auto& compositorTiming = mFlinger.getCompositorTiming();
-    EXPECT_EQ(-DEFAULT_VSYNC_PERIOD, compositorTiming.deadline);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, compositorTiming.interval);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, compositorTiming.presentLatency);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
index 2c9888dd8e..622717f290 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
@@ -60,8 +60,8 @@ protected:
     renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
     sp<DisplayDevice> mDisplay;
     sp<compositionengine::mock::DisplaySurface> mDisplaySurface =
-            new compositionengine::mock::DisplaySurface();
-    mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
     mock::TimeStats* mTimeStats = new mock::TimeStats();
     Hwc2::mock::PowerAdvisor* mPowerAdvisor = nullptr;
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -97,7 +97,6 @@ void SurfaceFlingerPowerHintTest::SetUp() {
                     .setNativeWindow(mNativeWindow)
                     .setPowerMode(hal::PowerMode::ON)
                     .inject();
-    mFlinger.mutableActiveDisplayToken() = mDisplay->getDisplayToken();
 }
 
 void SurfaceFlingerPowerHintTest::setupScheduler() {
@@ -106,13 +105,15 @@ void SurfaceFlingerPowerHintTest::setupScheduler() {
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -131,22 +132,20 @@ void SurfaceFlingerPowerHintTest::setupScheduler() {
 TEST_F(SurfaceFlingerPowerHintTest, sendDurationsIncludingHwcWaitTime) {
     ON_CALL(*mPowerAdvisor, usePowerHintSession()).WillByDefault(Return(true));
 
-    const std::chrono::nanoseconds mockVsyncPeriod = 15ms;
     EXPECT_CALL(*mPowerAdvisor, setTargetWorkDuration(_)).Times(1);
-
-    const nsecs_t now = systemTime();
-    const std::chrono::nanoseconds mockHwcRunTime = 20ms;
     EXPECT_CALL(*mDisplaySurface,
                 prepareFrame(compositionengine::DisplaySurface::CompositionType::Hwc))
             .Times(1);
-    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _))
-            .WillOnce([mockHwcRunTime] {
-                std::this_thread::sleep_for(mockHwcRunTime);
-                return hardware::graphics::composer::V2_1::Error::NONE;
-            });
+    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _)).WillOnce([] {
+        constexpr Duration kMockHwcRunTime = 20ms;
+        std::this_thread::sleep_for(kMockHwcRunTime);
+        return hardware::graphics::composer::V2_1::Error::NONE;
+    });
     EXPECT_CALL(*mPowerAdvisor, sendActualWorkDuration()).Times(1);
-    static constexpr bool kVsyncId = 123; // arbitrary
-    mFlinger.commitAndComposite(now, kVsyncId, now + mockVsyncPeriod.count());
+
+    const TimePoint frameTime = scheduler::SchedulerClock::now();
+    constexpr Period kMockVsyncPeriod = 15ms;
+    mFlinger.commitAndComposite(frameTime, VsyncId{123}, frameTime + kMockVsyncPeriod);
 }
 
 TEST_F(SurfaceFlingerPowerHintTest, inactiveOnDisplayDoze) {
@@ -154,22 +153,20 @@ TEST_F(SurfaceFlingerPowerHintTest, inactiveOnDisplayDoze) {
 
     mDisplay->setPowerMode(hal::PowerMode::DOZE);
 
-    const std::chrono::nanoseconds mockVsyncPeriod = 15ms;
     EXPECT_CALL(*mPowerAdvisor, setTargetWorkDuration(_)).Times(0);
-
-    const nsecs_t now = systemTime();
-    const std::chrono::nanoseconds mockHwcRunTime = 20ms;
     EXPECT_CALL(*mDisplaySurface,
                 prepareFrame(compositionengine::DisplaySurface::CompositionType::Hwc))
             .Times(1);
-    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _))
-            .WillOnce([mockHwcRunTime] {
-                std::this_thread::sleep_for(mockHwcRunTime);
-                return hardware::graphics::composer::V2_1::Error::NONE;
-            });
+    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _)).WillOnce([] {
+        constexpr Duration kMockHwcRunTime = 20ms;
+        std::this_thread::sleep_for(kMockHwcRunTime);
+        return hardware::graphics::composer::V2_1::Error::NONE;
+    });
     EXPECT_CALL(*mPowerAdvisor, sendActualWorkDuration()).Times(0);
-    static constexpr bool kVsyncId = 123; // arbitrary
-    mFlinger.commitAndComposite(now, kVsyncId, now + mockVsyncPeriod.count());
+
+    const TimePoint frameTime = scheduler::SchedulerClock::now();
+    constexpr Period kMockVsyncPeriod = 15ms;
+    mFlinger.commitAndComposite(frameTime, VsyncId{123}, frameTime + kMockVsyncPeriod);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
index 7d9e22b23e..9c7f55b733 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
@@ -34,7 +34,7 @@ TEST_F(SetDisplayStateLockedTest, setDisplayStateLockedDoesNothingWithUnknownDis
     // Preconditions
 
     // We have an unknown display token not associated with a known display
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     // The requested display state references the unknown display.
     DisplayState state;
@@ -95,7 +95,7 @@ TEST_F(SetDisplayStateLockedTest, setDisplayStateLockedDoesNothingIfSurfaceDidNo
     display.inject();
 
     // There is a surface that can be set.
-    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();
+    sp<mock::GraphicBufferProducer> surface = sp<mock::GraphicBufferProducer>::make();
 
     // The current display state has the surface set
     display.mutableCurrentDisplayState().surface = surface;
@@ -132,7 +132,7 @@ TEST_F(SetDisplayStateLockedTest, setDisplayStateLockedRequestsUpdateIfSurfaceCh
     display.inject();
 
     // There is a surface that can be set.
-    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();
+    sp<mock::GraphicBufferProducer> surface = sp<mock::GraphicBufferProducer>::make();
 
     // The current display state does not have a surface
     display.mutableCurrentDisplayState().surface = nullptr;
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
index 583cf5f836..0fb8e2bbaa 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
@@ -140,7 +140,6 @@ struct TransitionOffToOnVariant : public TransitionVariantCommon<PowerMode::OFF,
 
     static void verifyPostconditions(DisplayTransactionTest* test) {
         EXPECT_TRUE(test->mFlinger.getVisibleRegionsDirty());
-        EXPECT_TRUE(test->mFlinger.getHasPoweredOff());
     }
 };
 
@@ -155,7 +154,6 @@ struct TransitionOffToDozeSuspendVariant
 
     static void verifyPostconditions(DisplayTransactionTest* test) {
         EXPECT_TRUE(test->mFlinger.getVisibleRegionsDirty());
-        EXPECT_TRUE(test->mFlinger.getHasPoweredOff());
     }
 };
 
@@ -255,16 +253,12 @@ struct DisplayPowerCase {
     using DispSync = DispSyncVariant;
     using Transition = TransitionVariant;
 
-    static auto injectDisplayWithInitialPowerMode(DisplayTransactionTest* test, PowerMode mode) {
+    static sp<DisplayDevice> injectDisplayWithInitialPowerMode(DisplayTransactionTest* test,
+                                                               PowerMode mode) {
         Display::injectHwcDisplayWithNoDefaultCapabilities(test);
-        auto display = Display::makeFakeExistingDisplayInjector(test);
-        display.inject();
-        display.mutableDisplayDevice()->setPowerMode(mode);
-        if (display.mutableDisplayDevice()->isInternal()) {
-            test->mFlinger.mutableActiveDisplayToken() =
-                    display.mutableDisplayDevice()->getDisplayToken();
-        }
-
+        auto injector = Display::makeFakeExistingDisplayInjector(test);
+        const auto display = injector.inject();
+        display->setPowerMode(mode);
         return display;
     }
 
@@ -276,13 +270,6 @@ struct DisplayPowerCase {
         EXPECT_CALL(*test->mFlinger.scheduler(), scheduleFrame()).Times(1);
     }
 
-    static void setupSurfaceInterceptorCallExpectations(DisplayTransactionTest* test,
-                                                        PowerMode mode) {
-        EXPECT_CALL(*test->mSurfaceInterceptor, isEnabled()).WillOnce(Return(true));
-        EXPECT_CALL(*test->mSurfaceInterceptor, savePowerModeUpdate(_, static_cast<int32_t>(mode)))
-                .Times(1);
-    }
-
     static void setupComposerCallExpectations(DisplayTransactionTest* test, PowerMode mode) {
         // Any calls to get the active config will return a default value.
         EXPECT_CALL(*test->mComposer, getActiveConfig(Display::HWC_DISPLAY_ID, _))
@@ -349,14 +336,12 @@ void SetPowerModeInternalTest::transitionDisplayCommon() {
     // --------------------------------------------------------------------
     // Call Expectations
 
-    Case::setupSurfaceInterceptorCallExpectations(this, Case::Transition::TARGET_POWER_MODE);
     Case::Transition::template setupCallExpectations<Case>(this);
 
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.setPowerModeInternal(display.mutableDisplayDevice(),
-                                  Case::Transition::TARGET_POWER_MODE);
+    mFlinger.setPowerModeInternal(display, Case::Transition::TARGET_POWER_MODE);
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -499,5 +484,37 @@ TEST_F(SetPowerModeInternalTest, transitionsDisplayFromOnToUnknownExternalDispla
     transitionDisplayCommon<ExternalDisplayPowerCase<TransitionOnToUnknownVariant>>();
 }
 
+TEST_F(SetPowerModeInternalTest, designatesLeaderDisplay) {
+    using Case = SimplePrimaryDisplayCase;
+
+    // --------------------------------------------------------------------
+    // Preconditions
+
+    // Inject a primary display with uninitialized power mode.
+    constexpr bool kInitPowerMode = false;
+    Case::Display::injectHwcDisplay<kInitPowerMode>(this);
+    auto injector = Case::Display::makeFakeExistingDisplayInjector(this);
+    injector.setPowerMode(std::nullopt);
+    const auto display = injector.inject();
+
+    // --------------------------------------------------------------------
+    // Invocation
+
+    // FakeDisplayDeviceInjector registers the display with Scheduler, so it has already been
+    // designated as the leader. Set an arbitrary leader to verify that `setPowerModeInternal`
+    // designates a leader regardless of any preceding `Scheduler::registerDisplay` call(s).
+    constexpr PhysicalDisplayId kPlaceholderId = PhysicalDisplayId::fromPort(42);
+    ASSERT_NE(display->getPhysicalId(), kPlaceholderId);
+    mFlinger.scheduler()->setLeaderDisplay(kPlaceholderId);
+
+    mFlinger.setPowerModeInternal(display, PowerMode::ON);
+
+    // --------------------------------------------------------------------
+    // Postconditions
+
+    // The primary display should be designated as the leader.
+    EXPECT_EQ(mFlinger.scheduler()->leaderDisplayId(), display->getPhysicalId());
+}
+
 } // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
index a0e078bf5e..c0796df6cb 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
@@ -17,6 +17,8 @@
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
+#include <ftl/fake_guard.h>
+
 #include "DisplayHardware/DisplayMode.h"
 
 #include "DisplayTransactionTestHelpers.h"
@@ -34,16 +36,13 @@ struct WideColorP3ColorimetricSupportedVariant {
     static constexpr bool WIDE_COLOR_SUPPORTED = true;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = true;
+        test->mFlinger.mutableSupportsWideColor() = true;
         test->mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_DATASPACE)).Times(1);
 
-        EXPECT_CALL(*test->mComposer, getColorModes(Display::HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(std::vector<ColorMode>({ColorMode::DISPLAY_P3})),
-                                Return(Error::NONE)));
         EXPECT_CALL(*test->mComposer,
                     getRenderIntents(Display::HWC_DISPLAY_ID, ColorMode::DISPLAY_P3, _))
                 .WillOnce(DoAll(SetArgPointee<2>(
@@ -197,10 +196,10 @@ public:
 
 template <typename Case>
 void SetupNewDisplayDeviceInternalTest::setupNewDisplayDeviceInternalTest() {
-    const sp<BBinder> displayToken = new BBinder();
+    const sp<BBinder> displayToken = sp<BBinder>::make();
     const sp<compositionengine::mock::DisplaySurface> displaySurface =
-            new compositionengine::mock::DisplaySurface();
-    const sp<mock::GraphicBufferProducer> producer = new mock::GraphicBufferProducer();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    const auto producer = sp<mock::GraphicBufferProducer>::make();
 
     // --------------------------------------------------------------------
     // Preconditions
@@ -246,11 +245,20 @@ void SetupNewDisplayDeviceInternalTest::setupNewDisplayDeviceInternalTest() {
                                             .setDpiY(DEFAULT_DPI)
                                             .setGroup(0)
                                             .build();
+
         state.physical = {.id = *displayId,
-                          .type = *connectionType,
                           .hwcDisplayId = *hwcDisplayId,
-                          .supportedModes = makeModes(activeMode),
-                          .activeMode = std::move(activeMode)};
+                          .activeMode = activeMode};
+
+        ui::ColorModes colorModes;
+        if constexpr (Case::WideColorSupport::WIDE_COLOR_SUPPORTED) {
+            colorModes.push_back(ColorMode::DISPLAY_P3);
+        }
+
+        mFlinger.mutablePhysicalDisplays().emplace_or_replace(*displayId, displayToken, *displayId,
+                                                              *connectionType,
+                                                              makeModes(activeMode),
+                                                              std::move(colorModes), std::nullopt);
     }
 
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
@@ -262,9 +270,8 @@ void SetupNewDisplayDeviceInternalTest::setupNewDisplayDeviceInternalTest() {
     // --------------------------------------------------------------------
     // Postconditions
 
-    ASSERT_TRUE(device != nullptr);
+    ASSERT_NE(nullptr, device);
     EXPECT_EQ(Case::Display::DISPLAY_ID::get(), device->getId());
-    EXPECT_EQ(Case::Display::CONNECTION_TYPE::value, device->getConnectionType());
     EXPECT_EQ(static_cast<bool>(Case::Display::VIRTUAL), device->isVirtual());
     EXPECT_EQ(static_cast<bool>(Case::Display::SECURE), device->isSecure());
     EXPECT_EQ(static_cast<bool>(Case::Display::PRIMARY), device->isPrimary());
@@ -280,9 +287,8 @@ void SetupNewDisplayDeviceInternalTest::setupNewDisplayDeviceInternalTest() {
               device->receivesInput());
 
     if constexpr (Case::Display::CONNECTION_TYPE::value) {
-        EXPECT_EQ(1, device->getSupportedModes().size());
-        EXPECT_NE(nullptr, device->getActiveMode());
-        EXPECT_EQ(Case::Display::HWC_ACTIVE_CONFIG_ID, device->getActiveMode()->getHwcId());
+        ftl::FakeGuard guard(kMainThreadContext);
+        EXPECT_EQ(Case::Display::HWC_ACTIVE_CONFIG_ID, device->getActiveMode().modePtr->getHwcId());
     }
 }
 
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp
new file mode 100644
index 0000000000..fed6a1ae56
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp
@@ -0,0 +1,224 @@
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <gui/LayerMetadata.h>
+
+#include "TestableSurfaceFlinger.h"
+#include "mock/MockEventThread.h"
+#include "mock/MockVsyncController.h"
+
+namespace android {
+
+using testing::_;
+using testing::Return;
+using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+
+class SurfaceFlingerUpdateLayerMetadataSnapshotTest : public testing::Test {
+public:
+    SurfaceFlingerUpdateLayerMetadataSnapshotTest() { setupScheduler(); }
+
+protected:
+    void setupScheduler() {
+        auto eventThread = std::make_unique<mock::EventThread>();
+        auto sfEventThread = std::make_unique<mock::EventThread>();
+
+        EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
+        EXPECT_CALL(*eventThread, createEventConnection(_, _))
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
+
+        EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
+        EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
+
+        auto vsyncController = std::make_unique<mock::VsyncController>();
+        auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
+
+        EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
+        EXPECT_CALL(*vsyncTracker, currentPeriod())
+                .WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
+        EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
+        mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
+                                std::move(eventThread), std::move(sfEventThread));
+    }
+
+    sp<Layer> createLayer(const char* name, LayerMetadata& inOutlayerMetadata) {
+        LayerCreationArgs args =
+                LayerCreationArgs{mFlinger.flinger(), nullptr, name, 0, inOutlayerMetadata};
+        inOutlayerMetadata = args.metadata;
+        return sp<Layer>::make(args);
+    }
+
+    TestableSurfaceFlinger mFlinger;
+};
+
+class LayerMetadataBuilder {
+public:
+    LayerMetadataBuilder(LayerMetadata layerMetadata = {}) : mLayerMetadata(layerMetadata) {}
+
+    LayerMetadataBuilder& setInt32(uint32_t key, int32_t value) {
+        mLayerMetadata.setInt32(key, value);
+        return *this;
+    }
+
+    LayerMetadata build() { return mLayerMetadata; }
+
+private:
+    LayerMetadata mLayerMetadata;
+};
+
+bool operator==(const LayerMetadata& lhs, const LayerMetadata& rhs) {
+    return lhs.mMap == rhs.mMap;
+}
+
+std::ostream& operator<<(std::ostream& stream, const LayerMetadata& layerMetadata) {
+    stream << "LayerMetadata{";
+    for (auto it = layerMetadata.mMap.cbegin(); it != layerMetadata.mMap.cend(); it++) {
+        if (it != layerMetadata.mMap.cbegin()) {
+            stream << ", ";
+        }
+        stream << layerMetadata.itemToString(it->first, ":");
+    }
+    return stream << "}";
+}
+
+// Test that the snapshot's layer metadata is set.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesSnapshotMetadata) {
+    auto layerMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 1).build();
+    auto layer = createLayer("layer", layerMetadata);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layer);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    EXPECT_EQ(layer->getLayerSnapshot()->layerMetadata, layerMetadata);
+}
+
+// Test that snapshot layer metadata is set by merging the child's metadata on top of its
+// parent's metadata.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, mergesSnapshotMetadata) {
+    auto layerAMetadata = LayerMetadataBuilder()
+                                  .setInt32(METADATA_OWNER_UID, 1)
+                                  .setInt32(METADATA_TASK_ID, 2)
+                                  .build();
+    auto layerA = createLayer("parent", layerAMetadata);
+    auto layerBMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 3).build();
+    auto layerB = createLayer("child", layerBMetadata);
+    layerA->addChild(layerB);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    EXPECT_EQ(layerA->getLayerSnapshot()->layerMetadata, layerAMetadata);
+    auto expectedChildMetadata =
+            LayerMetadataBuilder(layerAMetadata).setInt32(METADATA_TASK_ID, 3).build();
+    EXPECT_EQ(layerB->getLayerSnapshot()->layerMetadata, expectedChildMetadata);
+}
+
+// Test that snapshot relative layer metadata is set to the parent's layer metadata merged on top of
+// that parent's relative layer metadata.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesRelativeMetadata) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 1).build();
+    auto layerA = createLayer("relative-parent", layerAMetadata);
+    auto layerAHandle = layerA->getHandle();
+    auto layerBMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 2).build();
+    auto layerB = createLayer("relative-child", layerBMetadata);
+    layerB->setRelativeLayer(layerAHandle, 1);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerB);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    EXPECT_EQ(layerA->getLayerSnapshot()->relativeLayerMetadata, LayerMetadata{});
+    EXPECT_EQ(layerB->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+}
+
+// Test that snapshot relative layer metadata is set correctly when a layer is interleaved within
+// two other layers.
+//
+// Layer
+//      A
+//     / \
+//    B   D
+//   /
+//  C
+//
+// Z-order Relatives
+//    B <- D <- C
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesRelativeMetadataInterleaved) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_OWNER_UID, 1).build();
+    auto layerA = createLayer("layer-a", layerAMetadata);
+    auto layerBMetadata = LayerMetadataBuilder()
+                                  .setInt32(METADATA_TASK_ID, 2)
+                                  .setInt32(METADATA_OWNER_PID, 3)
+                                  .build();
+    auto layerB = createLayer("layer-b", layerBMetadata);
+    auto layerBHandle = layerB->getHandle();
+    LayerMetadata layerCMetadata;
+    auto layerC = createLayer("layer-c", layerCMetadata);
+    auto layerDMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 4).build();
+    auto layerD = createLayer("layer-d", layerDMetadata);
+    auto layerDHandle = layerD->getHandle();
+    layerB->addChild(layerC);
+    layerA->addChild(layerB);
+    layerA->addChild(layerD);
+    layerC->setRelativeLayer(layerDHandle, 1);
+    layerD->setRelativeLayer(layerBHandle, 1);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    auto expectedLayerDRelativeMetadata =
+            LayerMetadataBuilder()
+                    // From layer A, parent of relative parent
+                    .setInt32(METADATA_OWNER_UID, 1)
+                    // From layer B, relative parent
+                    .setInt32(METADATA_TASK_ID, 2)
+                    .setInt32(METADATA_OWNER_PID, 3)
+                    // added by layer creation args
+                    .setInt32(gui::METADATA_CALLING_UID,
+                              layerDMetadata.getInt32(gui::METADATA_CALLING_UID, 0))
+                    .build();
+    EXPECT_EQ(layerD->getLayerSnapshot()->relativeLayerMetadata, expectedLayerDRelativeMetadata);
+    auto expectedLayerCRelativeMetadata =
+            LayerMetadataBuilder()
+                    // From layer A, parent of relative parent
+                    .setInt32(METADATA_OWNER_UID, 1)
+                    // From layer B, relative parent of relative parent
+                    .setInt32(METADATA_OWNER_PID, 3)
+                    // From layer D, relative parent
+                    .setInt32(METADATA_TASK_ID, 4)
+                    // added by layer creation args
+                    .setInt32(gui::METADATA_CALLING_UID,
+                              layerDMetadata.getInt32(gui::METADATA_CALLING_UID, 0))
+                    .build();
+    EXPECT_EQ(layerC->getLayerSnapshot()->relativeLayerMetadata, expectedLayerCRelativeMetadata);
+}
+
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest,
+       updatesRelativeMetadataMultipleRelativeChildren) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_OWNER_UID, 1).build();
+    auto layerA = createLayer("layer-a", layerAMetadata);
+    auto layerAHandle = layerA->getHandle();
+    LayerMetadata layerBMetadata;
+    auto layerB = createLayer("layer-b", layerBMetadata);
+    LayerMetadata layerCMetadata;
+    auto layerC = createLayer("layer-c", layerCMetadata);
+    layerB->setRelativeLayer(layerAHandle, 1);
+    layerC->setRelativeLayer(layerAHandle, 2);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerB);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerC);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    EXPECT_EQ(layerA->getLayerSnapshot()->relativeLayerMetadata, LayerMetadata{});
+    EXPECT_EQ(layerB->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+    EXPECT_EQ(layerC->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index 4708572dc4..b8a60638ae 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <Scheduler/Scheduler.h>
+#include <ftl/fake_guard.h>
 #include <gmock/gmock.h>
 #include <gui/ISurfaceComposer.h>
 
@@ -32,17 +33,19 @@ namespace android::scheduler {
 
 class TestableScheduler : public Scheduler, private ICompositor {
 public:
-    TestableScheduler(std::shared_ptr<RefreshRateConfigs> configs, ISchedulerCallback& callback)
+    TestableScheduler(RefreshRateSelectorPtr selectorPtr, ISchedulerCallback& callback)
           : TestableScheduler(std::make_unique<mock::VsyncController>(),
-                              std::make_unique<mock::VSyncTracker>(), std::move(configs),
+                              std::make_unique<mock::VSyncTracker>(), std::move(selectorPtr),
                               callback) {}
 
     TestableScheduler(std::unique_ptr<VsyncController> controller,
-                      std::unique_ptr<VSyncTracker> tracker,
-                      std::shared_ptr<RefreshRateConfigs> configs, ISchedulerCallback& callback)
+                      std::unique_ptr<VSyncTracker> tracker, RefreshRateSelectorPtr selectorPtr,
+                      ISchedulerCallback& callback)
           : Scheduler(*this, callback, Feature::kContentDetection) {
         mVsyncSchedule.emplace(VsyncSchedule(std::move(tracker), nullptr, std::move(controller)));
-        setRefreshRateConfigs(std::move(configs));
+
+        const auto displayId = selectorPtr->getActiveMode().modePtr->getPhysicalDisplayId();
+        registerDisplay(displayId, std::move(selectorPtr));
 
         ON_CALL(*this, postMessage).WillByDefault([](sp<MessageHandler>&& handler) {
             // Execute task to prevent broken promise exception on destruction.
@@ -50,6 +53,7 @@ public:
         });
     }
 
+    MOCK_METHOD(void, scheduleConfigure, (), (override));
     MOCK_METHOD(void, scheduleFrame, (), (override));
     MOCK_METHOD(void, postMessage, (sp<MessageHandler>&&), (override));
 
@@ -65,14 +69,39 @@ public:
     auto& mutablePrimaryHWVsyncEnabled() { return mPrimaryHWVsyncEnabled; }
     auto& mutableHWVsyncAvailable() { return mHWVsyncAvailable; }
 
+    auto refreshRateSelector() { return leaderSelectorPtr(); }
+
+    const auto& refreshRateSelectors() const NO_THREAD_SAFETY_ANALYSIS {
+        return mRefreshRateSelectors;
+    }
+
+    bool hasRefreshRateSelectors() const { return !refreshRateSelectors().empty(); }
+
+    void registerDisplay(PhysicalDisplayId displayId, RefreshRateSelectorPtr selectorPtr) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        Scheduler::registerDisplay(displayId, std::move(selectorPtr));
+    }
+
+    void unregisterDisplay(PhysicalDisplayId displayId) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        Scheduler::unregisterDisplay(displayId);
+    }
+
+    std::optional<PhysicalDisplayId> leaderDisplayId() const NO_THREAD_SAFETY_ANALYSIS {
+        return mLeaderDisplayId;
+    }
+
+    void setLeaderDisplay(PhysicalDisplayId displayId) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        Scheduler::setLeaderDisplay(displayId);
+    }
+
     auto& mutableLayerHistory() { return mLayerHistory; }
 
     size_t layerHistorySize() NO_THREAD_SAFETY_ANALYSIS {
         return mLayerHistory.mActiveLayerInfos.size() + mLayerHistory.mInactiveLayerInfos.size();
     }
 
-    auto refreshRateConfigs() { return holdRefreshRateConfigs(); }
-
     size_t getNumActiveLayers() NO_THREAD_SAFETY_ANALYSIS {
         return mLayerHistory.mActiveLayerInfos.size();
     }
@@ -93,9 +122,27 @@ public:
         return mPolicy.touch == Scheduler::TouchState::Active;
     }
 
+    void setTouchStateAndIdleTimerPolicy(GlobalSignals globalSignals) {
+        std::lock_guard<std::mutex> lock(mPolicyLock);
+        mPolicy.touch = globalSignals.touch ? TouchState::Active : TouchState::Inactive;
+        mPolicy.idleTimer = globalSignals.idle ? TimerState::Expired : TimerState::Reset;
+    }
+
+    void setContentRequirements(std::vector<RefreshRateSelector::LayerRequirement> layers) {
+        std::lock_guard<std::mutex> lock(mPolicyLock);
+        mPolicy.contentRequirements = std::move(layers);
+    }
+
+    using Scheduler::DisplayModeChoice;
+    using Scheduler::DisplayModeChoiceMap;
+
+    DisplayModeChoiceMap chooseDisplayModes() NO_THREAD_SAFETY_ANALYSIS {
+        return Scheduler::chooseDisplayModes();
+    }
+
     void dispatchCachedReportedMode() {
         std::lock_guard<std::mutex> lock(mPolicyLock);
-        return Scheduler::dispatchCachedReportedMode();
+        Scheduler::dispatchCachedReportedMode();
     }
 
     void clearCachedReportedMode() {
@@ -103,14 +150,15 @@ public:
         mPolicy.cachedModeChangedParams.reset();
     }
 
-    void onNonPrimaryDisplayModeChanged(ConnectionHandle handle, DisplayModePtr mode) {
-        return Scheduler::onNonPrimaryDisplayModeChanged(handle, mode);
+    void onNonPrimaryDisplayModeChanged(ConnectionHandle handle, const FrameRateMode& mode) {
+        Scheduler::onNonPrimaryDisplayModeChanged(handle, mode);
     }
 
 private:
     // ICompositor overrides:
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 };
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 283f9ca77b..2117084bbf 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -27,23 +27,23 @@
 #include <compositionengine/impl/Display.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <compositionengine/mock/DisplaySurface.h>
+#include <ftl/fake_guard.h>
 #include <gui/ScreenCaptureResults.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
+#include <ui/DynamicDisplayInfo.h>
 #include "DisplayDevice.h"
-#include "EffectLayer.h"
 #include "FakeVsyncConfiguration.h"
 #include "FrameTracer/FrameTracer.h"
+#include "FrontEnd/LayerCreationArgs.h"
+#include "FrontEnd/LayerHandle.h"
 #include "Layer.h"
 #include "NativeWindowSurface.h"
+#include "RenderArea.h"
 #include "Scheduler/MessageQueue.h"
-#include "Scheduler/RefreshRateConfigs.h"
+#include "Scheduler/RefreshRateSelector.h"
 #include "StartPropertySetThread.h"
 #include "SurfaceFlinger.h"
 #include "SurfaceFlingerDefaultFactory.h"
-#include "SurfaceInterceptor.h"
 #include "TestableScheduler.h"
 #include "mock/DisplayHardware/MockComposer.h"
 #include "mock/DisplayHardware/MockDisplayMode.h"
@@ -84,22 +84,18 @@ public:
         return std::make_unique<scheduler::FakePhaseOffsets>();
     }
 
-    sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
-    }
-
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
-        return new StartPropertySetThread(timestampPropertyValue);
+        return sp<StartPropertySetThread>::make(timestampPropertyValue);
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs& creationArgs) override {
-        return new DisplayDevice(creationArgs);
+        return sp<DisplayDevice>::make(creationArgs);
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
                                           uint32_t layerCount, uint64_t usage,
                                           std::string requestorName) override {
-        return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+        return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
@@ -112,18 +108,6 @@ public:
         mCreateBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
     }
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-                                                       const sp<SurfaceFlinger>& flinger,
-                                                       const wp<Layer>& layer) override {
-        return new MonitoredProducer(producer, flinger, layer);
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>& consumer,
-                                                      renderengine::RenderEngine& renderEngine,
-                                                      uint32_t textureName, Layer* layer) override {
-        return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>& producer) override {
         if (!mCreateNativeWindowSurface) return nullptr;
@@ -134,18 +118,12 @@ public:
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
-
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs&) override { return nullptr; }
 
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs&) override { return nullptr; }
+    sp<Layer> createEffectLayer(const LayerCreationArgs&) override { return nullptr; }
 
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs&) override {
-        return nullptr;
+    sp<LayerFE> createLayerFE(const std::string& layerName) override {
+        return sp<LayerFE>::make(layerName);
     }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
@@ -183,7 +161,6 @@ public:
         if (!mFlinger) {
             mFlinger = sp<SurfaceFlinger>::make(mFactory, SurfaceFlinger::SkipInitialization);
         }
-        mFlinger->mAnimationTransactionTimeout = ms2ns(10);
     }
 
     SurfaceFlinger* flinger() { return mFlinger.get(); }
@@ -193,7 +170,8 @@ public:
     // functions.
 
     void setupRenderEngine(std::unique_ptr<renderengine::RenderEngine> renderEngine) {
-        mFlinger->mCompositionEngine->setRenderEngine(std::move(renderEngine));
+        mFlinger->mRenderEngine = std::move(renderEngine);
+        mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
     }
 
     void setupComposer(std::unique_ptr<Hwc2::Composer> composer) {
@@ -217,10 +195,10 @@ public:
     static constexpr struct TwoDisplayModes {
     } kTwoDisplayModes;
 
-    using RefreshRateConfigsPtr = std::shared_ptr<scheduler::RefreshRateConfigs>;
+    using RefreshRateSelectorPtr = std::shared_ptr<scheduler::RefreshRateSelector>;
 
     using DisplayModesVariant =
-            std::variant<OneDisplayMode, TwoDisplayModes, RefreshRateConfigsPtr>;
+            std::variant<OneDisplayMode, TwoDisplayModes, RefreshRateSelectorPtr>;
 
     void setupScheduler(std::unique_ptr<scheduler::VsyncController> vsyncController,
                         std::unique_ptr<scheduler::VSyncTracker> vsyncTracker,
@@ -229,9 +207,9 @@ public:
                         SchedulerCallbackImpl callbackImpl = SchedulerCallbackImpl::kNoOp,
                         DisplayModesVariant modesVariant = kOneDisplayMode,
                         bool useNiceMock = false) {
-        RefreshRateConfigsPtr configs;
-        if (std::holds_alternative<RefreshRateConfigsPtr>(modesVariant)) {
-            configs = std::move(std::get<RefreshRateConfigsPtr>(modesVariant));
+        RefreshRateSelectorPtr selectorPtr;
+        if (std::holds_alternative<RefreshRateSelectorPtr>(modesVariant)) {
+            selectorPtr = std::move(std::get<RefreshRateSelectorPtr>(modesVariant));
         } else {
             constexpr DisplayModeId kModeId60{0};
             DisplayModes modes = makeModes(mock::createDisplayMode(kModeId60, 60_Hz));
@@ -241,10 +219,10 @@ public:
                 modes.try_emplace(kModeId90, mock::createDisplayMode(kModeId90, 90_Hz));
             }
 
-            configs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
+            selectorPtr = std::make_shared<scheduler::RefreshRateSelector>(modes, kModeId60);
         }
 
-        const auto fps = configs->getActiveMode()->getFps();
+        const auto fps = selectorPtr->getActiveMode().fps;
         mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(fps);
         mFlinger->mVsyncModulator = sp<scheduler::VsyncModulator>::make(
                 mFlinger->mVsyncConfiguration->getCurrentConfigs());
@@ -262,12 +240,12 @@ public:
             mScheduler =
                     new testing::NiceMock<scheduler::TestableScheduler>(std::move(vsyncController),
                                                                         std::move(vsyncTracker),
-                                                                        std::move(configs),
+                                                                        std::move(selectorPtr),
                                                                         callback);
         } else {
             mScheduler = new scheduler::TestableScheduler(std::move(vsyncController),
                                                           std::move(vsyncTracker),
-                                                          std::move(configs), callback);
+                                                          std::move(selectorPtr), callback);
         }
 
         mFlinger->mAppConnectionHandle = mScheduler->createConnection(std::move(appEventThread));
@@ -310,7 +288,7 @@ public:
                                        const sp<NativeHandle>& sidebandStream) {
         layer->mDrawingState.sidebandStream = sidebandStream;
         layer->mSidebandStream = sidebandStream;
-        layer->editCompositionState()->sidebandStream = sidebandStream;
+        layer->editLayerSnapshot()->sidebandStream = sidebandStream;
     }
 
     void setLayerCompositionType(const sp<Layer>& layer,
@@ -338,25 +316,29 @@ public:
      * Forwarding for functions being tested
      */
 
-    nsecs_t commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVSyncTime) {
-        mFlinger->commit(frameTime, vsyncId, expectedVSyncTime);
+    void configure() { mFlinger->configure(); }
+
+    void configureAndCommit() {
+        configure();
+        commitTransactionsLocked(eDisplayTransactionNeeded);
+    }
+
+    TimePoint commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime) {
+        mFlinger->commit(frameTime, vsyncId, expectedVsyncTime);
         return frameTime;
     }
 
-    nsecs_t commit(nsecs_t frameTime, int64_t vsyncId) {
-        std::chrono::nanoseconds period = 10ms;
-        return commit(frameTime, vsyncId, frameTime + period.count());
+    TimePoint commit(TimePoint frameTime, VsyncId vsyncId) {
+        return commit(frameTime, vsyncId, frameTime + Period(10ms));
     }
 
-    nsecs_t commit() {
-        const nsecs_t now = systemTime();
-        const nsecs_t expectedVsyncTime = now + 10'000'000;
-        return commit(now, kVsyncId, expectedVsyncTime);
+    TimePoint commit() {
+        const TimePoint frameTime = scheduler::SchedulerClock::now();
+        return commit(frameTime, kVsyncId);
     }
 
-    void commitAndComposite(const nsecs_t frameTime, const int64_t vsyncId,
-                            const nsecs_t expectedVsyncTime) {
-        mFlinger->composite(commit(frameTime, vsyncId, expectedVsyncTime), kVsyncId);
+    void commitAndComposite(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime) {
+        mFlinger->composite(commit(frameTime, vsyncId, expectedVsyncTime), vsyncId);
     }
 
     void commitAndComposite() { mFlinger->composite(commit(), kVsyncId); }
@@ -386,9 +368,10 @@ public:
                                                        dispSurface, producer);
     }
 
-    auto commitTransactionsLocked(uint32_t transactionFlags) {
+    void commitTransactionsLocked(uint32_t transactionFlags) {
         Mutex::Autolock lock(mFlinger->mStateLock);
-        return mFlinger->commitTransactionsLocked(transactionFlags);
+        ftl::FakeGuard guard(kMainThreadContext);
+        mFlinger->commitTransactionsLocked(transactionFlags);
     }
 
     void onComposerHalHotplug(hal::HWDisplayId hwcDisplayId, hal::Connection connection) {
@@ -418,14 +401,15 @@ public:
         return mFlinger->setPowerModeInternal(display, mode);
     }
 
-    auto renderScreenImpl(const RenderArea& renderArea,
-                                SurfaceFlinger::TraverseLayersFunction traverseLayers,
-                                const std::shared_ptr<renderengine::ExternalTexture>& buffer,
-                                bool forSystem, bool regionSampling) {
+    auto renderScreenImpl(std::unique_ptr<RenderArea> renderArea,
+                          SurfaceFlinger::TraverseLayersFunction traverseLayers,
+                          const std::shared_ptr<renderengine::ExternalTexture>& buffer,
+                          bool forSystem, bool regionSampling) {
         ScreenCaptureResults captureResults;
-        return mFlinger->renderScreenImpl(renderArea, traverseLayers, buffer, forSystem,
-                                                regionSampling, false /* grayscale */,
-                                                captureResults);
+        return FTL_FAKE_GUARD(kMainThreadContext,
+                              mFlinger->renderScreenImpl(std::move(renderArea), traverseLayers,
+                                                         buffer, forSystem, regionSampling,
+                                                         false /* grayscale */, captureResults));
     }
 
     auto traverseLayersInLayerStack(ui::LayerStack layerStack, int32_t uid,
@@ -438,106 +422,114 @@ public:
         return mFlinger->SurfaceFlinger::getDisplayNativePrimaries(displayToken, primaries);
     }
 
-    auto& getTransactionQueue() { return mFlinger->mTransactionQueue; }
-    auto& getPendingTransactionQueue() { return mFlinger->mPendingTransactionQueues; }
-    auto& getTransactionCommittedSignals() { return mFlinger->mTransactionCommittedSignals; }
+    auto& getTransactionQueue() { return mFlinger->mTransactionHandler.mLocklessTransactionQueue; }
+    auto& getPendingTransactionQueue() {
+        return mFlinger->mTransactionHandler.mPendingTransactionQueues;
+    }
+    size_t getPendingTransactionCount() {
+        return mFlinger->mTransactionHandler.mPendingTransactionCount.load();
+    }
 
-    auto setTransactionState(
-            const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& states,
-            const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
-            const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
-            bool isAutoTimestamp, const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
-            std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId) {
+    auto setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
+                             Vector<ComposerState>& states, const Vector<DisplayState>& displays,
+                             uint32_t flags, const sp<IBinder>& applyToken,
+                             const InputWindowCommands& inputWindowCommands,
+                             int64_t desiredPresentTime, bool isAutoTimestamp,
+                             const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
+                             std::vector<ListenerCallbacks>& listenerCallbacks,
+                             uint64_t transactionId) {
         return mFlinger->setTransactionState(frameTimelineInfo, states, displays, flags, applyToken,
                                              inputWindowCommands, desiredPresentTime,
                                              isAutoTimestamp, uncacheBuffer, hasListenerCallbacks,
                                              listenerCallbacks, transactionId);
     }
 
-    auto flushTransactionQueues() { return mFlinger->flushTransactionQueues(0); };
+    auto setTransactionStateInternal(TransactionState& transaction) {
+        return mFlinger->mTransactionHandler.queueTransaction(std::move(transaction));
+    }
+
+    auto flushTransactionQueues() {
+        return FTL_FAKE_GUARD(kMainThreadContext, mFlinger->flushTransactionQueues(kVsyncId));
+    }
 
     auto onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
         return mFlinger->onTransact(code, data, reply, flags);
     }
 
-    auto getGPUContextPriority() { return mFlinger->getGPUContextPriority(); }
+    auto getGpuContextPriority() { return mFlinger->getGpuContextPriority(); }
 
     auto calculateMaxAcquiredBufferCount(Fps refreshRate,
                                          std::chrono::nanoseconds presentLatency) const {
         return SurfaceFlinger::calculateMaxAcquiredBufferCount(refreshRate, presentLatency);
     }
 
-    auto setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode,
-                                    bool allowGroupSwitching, float primaryRefreshRateMin,
-                                    float primaryRefreshRateMax, float appRequestRefreshRateMin,
-                                    float appRequestRefreshRateMax) {
-        return mFlinger->setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
-                                                    primaryRefreshRateMin, primaryRefreshRateMax,
-                                                    appRequestRefreshRateMin,
-                                                    appRequestRefreshRateMax);
+    auto setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                    const gui::DisplayModeSpecs& specs) {
+        return mFlinger->setDesiredDisplayModeSpecs(displayToken, specs);
     }
 
     void onActiveDisplayChanged(const sp<DisplayDevice>& activeDisplay) {
         Mutex::Autolock lock(mFlinger->mStateLock);
-        mFlinger->onActiveDisplayChangedLocked(activeDisplay);
+        ftl::FakeGuard guard(kMainThreadContext);
+        mFlinger->onActiveDisplayChangedLocked(nullptr, activeDisplay);
     }
 
-    auto createLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
-                     const sp<IBinder>& parentHandle, int32_t* outLayerId,
-                     const sp<Layer>& parentLayer, uint32_t* outTransformHint) {
-        return mFlinger->createLayer(args, outHandle, parentHandle, outLayerId, parentLayer,
-                                     outTransformHint);
+    auto createLayer(LayerCreationArgs& args, const sp<IBinder>& parentHandle,
+                     gui::CreateSurfaceResult& outResult) {
+        args.parentHandle = parentHandle;
+        return mFlinger->createLayer(args, outResult);
     }
 
     auto mirrorLayer(const LayerCreationArgs& args, const sp<IBinder>& mirrorFromHandle,
-                     sp<IBinder>* outHandle, int32_t* outLayerId) {
-        return mFlinger->mirrorLayer(args, mirrorFromHandle, outHandle, outLayerId);
+                     gui::CreateSurfaceResult& outResult) {
+        return mFlinger->mirrorLayer(args, mirrorFromHandle, outResult);
+    }
+
+    void updateLayerMetadataSnapshot() { mFlinger->updateLayerMetadataSnapshot(); }
+
+    void getDynamicDisplayInfoFromToken(const sp<IBinder>& displayToken,
+                                        ui::DynamicDisplayInfo* dynamicDisplayInfo) {
+        mFlinger->getDynamicDisplayInfoFromToken(displayToken, dynamicDisplayInfo);
     }
 
     /* ------------------------------------------------------------------------
      * Read-only access to private data to assert post-conditions.
      */
 
-    const auto& getAnimFrameTracker() const { return mFlinger->mAnimFrameTracker; }
-    const auto& getHasPoweredOff() const { return mFlinger->mHasPoweredOff; }
     const auto& getVisibleRegionsDirty() const { return mFlinger->mVisibleRegionsDirty; }
     auto& getHwComposer() const {
         return static_cast<impl::HWComposer&>(mFlinger->getHwComposer());
     }
     auto& getCompositionEngine() const { return mFlinger->getCompositionEngine(); }
 
-    const auto& getCompositorTiming() const { return mFlinger->getBE().mCompositorTiming; }
-
     mock::FrameTracer* getFrameTracer() const {
         return static_cast<mock::FrameTracer*>(mFlinger->mFrameTracer.get());
     }
 
-    nsecs_t getAnimationTransactionTimeout() const {
-        return mFlinger->mAnimationTransactionTimeout;
-    }
-
     /* ------------------------------------------------------------------------
      * Read-write access to private data to set up preconditions and assert
      * post-conditions.
      */
 
     const auto& displays() const { return mFlinger->mDisplays; }
+    const auto& physicalDisplays() const { return mFlinger->mPhysicalDisplays; }
     const auto& currentState() const { return mFlinger->mCurrentState; }
     const auto& drawingState() const { return mFlinger->mDrawingState; }
     const auto& transactionFlags() const { return mFlinger->mTransactionFlags; }
+
     const auto& hwcPhysicalDisplayIdMap() const { return getHwComposer().mPhysicalDisplayIdMap; }
+    const auto& hwcDisplayData() const { return getHwComposer().mDisplayData; }
 
-    auto& mutableHasWideColorDisplay() { return SurfaceFlinger::hasWideColorDisplay; }
+    auto& mutableSupportsWideColor() { return mFlinger->mSupportsWideColor; }
 
     auto& mutableCurrentState() { return mFlinger->mCurrentState; }
     auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
     auto& mutableDisplays() { return mFlinger->mDisplays; }
+    auto& mutablePhysicalDisplays() { return mFlinger->mPhysicalDisplays; }
     auto& mutableDrawingState() { return mFlinger->mDrawingState; }
     auto& mutableGeometryDirty() { return mFlinger->mGeometryDirty; }
-    auto& mutableInterceptor() { return mFlinger->mInterceptor; }
     auto& mutableMainThreadId() { return mFlinger->mMainThreadId; }
     auto& mutablePendingHotplugEvents() { return mFlinger->mPendingHotplugEvents; }
-    auto& mutablePhysicalDisplayTokens() { return mFlinger->mPhysicalDisplayTokens; }
     auto& mutableTexturePool() { return mFlinger->mTexturePool; }
     auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
     auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
@@ -546,11 +538,9 @@ public:
     auto& mutableHwcDisplayData() { return getHwComposer().mDisplayData; }
     auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
     auto& mutablePrimaryHwcDisplayId() { return getHwComposer().mPrimaryHwcDisplayId; }
-    auto& mutableActiveDisplayToken() { return mFlinger->mActiveDisplayToken; }
+    auto& mutableActiveDisplayId() { return mFlinger->mActiveDisplayId; }
 
-    auto fromHandle(const sp<IBinder>& handle) {
-        return mFlinger->fromHandle(handle);
-    }
+    auto fromHandle(const sp<IBinder>& handle) { return LayerHandle::getLayer(handle); }
 
     ~TestableSurfaceFlinger() {
         // All these pointer and container clears help ensure that GMock does
@@ -560,11 +550,10 @@ public:
         mutableDisplays().clear();
         mutableCurrentState().displays.clear();
         mutableDrawingState().displays.clear();
-        mutableInterceptor().clear();
         mFlinger->mScheduler.reset();
         mFlinger->mCompositionEngine->setHwComposer(std::unique_ptr<HWComposer>());
-        mFlinger->mCompositionEngine->setRenderEngine(
-                std::unique_ptr<renderengine::RenderEngine>());
+        mFlinger->mRenderEngine = std::unique_ptr<renderengine::RenderEngine>();
+        mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
     }
 
     /* ------------------------------------------------------------------------
@@ -638,7 +627,7 @@ public:
             return *this;
         }
 
-        auto& setPowerMode(hal::PowerMode mode) {
+        auto& setPowerMode(std::optional<hal::PowerMode> mode) {
             mPowerMode = mode;
             return *this;
         }
@@ -660,16 +649,18 @@ public:
             // is much longer lived.
             auto display = std::make_unique<HWC2Display>(*composer, *mCapabilities, mHwcDisplayId,
                                                          mHwcDisplayType);
-
             display->mutableIsConnected() = true;
-            display->setPowerMode(mPowerMode);
+
+            if (mPowerMode) {
+                display->setPowerMode(*mPowerMode);
+            }
+
             flinger->mutableHwcDisplayData()[mDisplayId].hwcDisplay = std::move(display);
 
             EXPECT_CALL(*composer, getDisplayConfigs(mHwcDisplayId, _))
                     .WillRepeatedly(
                             DoAll(SetArgPointee<1>(std::vector<hal::HWConfigId>{mActiveConfig}),
                                   Return(hal::Error::NONE)));
-
             EXPECT_CALL(*composer,
                         getDisplayAttribute(mHwcDisplayId, mActiveConfig, hal::Attribute::WIDTH, _))
                     .WillRepeatedly(DoAll(SetArgPointee<3>(mResolution.getWidth()),
@@ -728,7 +719,7 @@ public:
         int32_t mDpiY = DEFAULT_DPI;
         int32_t mConfigGroup = DEFAULT_CONFIG_GROUP;
         hal::HWConfigId mActiveConfig = DEFAULT_ACTIVE_CONFIG;
-        hal::PowerMode mPowerMode = DEFAULT_POWER_MODE;
+        std::optional<hal::PowerMode> mPowerMode = DEFAULT_POWER_MODE;
         const std::unordered_set<aidl::android::hardware::graphics::composer3::Capability>*
                 mCapabilities = nullptr;
     };
@@ -740,16 +731,22 @@ public:
                                   std::optional<ui::DisplayConnectionType> connectionType,
                                   std::optional<hal::HWDisplayId> hwcDisplayId, bool isPrimary)
               : mFlinger(flinger),
-                mCreationArgs(flinger.mFlinger.get(), flinger.mFlinger->getHwComposer(),
-                              mDisplayToken, display),
+                mCreationArgs(flinger.mFlinger, flinger.mFlinger->getHwComposer(), mDisplayToken,
+                              display),
+                mConnectionType(connectionType),
                 mHwcDisplayId(hwcDisplayId) {
-            mCreationArgs.connectionType = connectionType;
             mCreationArgs.isPrimary = isPrimary;
             mCreationArgs.initialPowerMode = hal::PowerMode::ON;
         }
 
         sp<IBinder> token() const { return mDisplayToken; }
 
+        auto physicalDisplay() const {
+            return ftl::Optional(mCreationArgs.compositionDisplay->getDisplayId())
+                    .and_then(&PhysicalDisplayId::tryCast)
+                    .and_then(display::getPhysicalDisplay(mFlinger.physicalDisplays()));
+        }
+
         DisplayDeviceState& mutableDrawingDisplayState() {
             return mFlinger.mutableDrawingState().displays.editValueFor(mDisplayToken);
         }
@@ -770,16 +767,17 @@ public:
             return mFlinger.mutableDisplays().get(mDisplayToken)->get();
         }
 
-        // If `configs` is nullptr, the injector creates RefreshRateConfigs from the `modes`.
-        // Otherwise, it uses `configs`, which the caller must create using the same `modes`.
+        // If `selectorPtr` is nullptr, the injector creates RefreshRateSelector from the `modes`.
+        // Otherwise, it uses `selectorPtr`, which the caller must create using the same `modes`.
         //
-        // TODO(b/182939859): Once `modes` can be retrieved from RefreshRateConfigs, remove
-        // the `configs` parameter in favor of an alternative setRefreshRateConfigs API.
-        auto& setDisplayModes(DisplayModes modes, DisplayModeId activeModeId,
-                              std::shared_ptr<scheduler::RefreshRateConfigs> configs = nullptr) {
-            mCreationArgs.supportedModes = std::move(modes);
+        // TODO(b/182939859): Once `modes` can be retrieved from RefreshRateSelector, remove
+        // the `selectorPtr` parameter in favor of an alternative setRefreshRateSelector API.
+        auto& setDisplayModes(
+                DisplayModes modes, DisplayModeId activeModeId,
+                std::shared_ptr<scheduler::RefreshRateSelector> selectorPtr = nullptr) {
+            mDisplayModes = std::move(modes);
             mCreationArgs.activeModeId = activeModeId;
-            mCreationArgs.refreshRateConfigs = std::move(configs);
+            mCreationArgs.refreshRateSelector = std::move(selectorPtr);
             return *this;
         }
 
@@ -798,7 +796,7 @@ public:
             return *this;
         }
 
-        auto& setPowerMode(hal::PowerMode mode) {
+        auto& setPowerMode(std::optional<hal::PowerMode> mode) {
             mCreationArgs.initialPowerMode = mode;
             return *this;
         }
@@ -823,10 +821,10 @@ public:
         sp<DisplayDevice> inject() NO_THREAD_SAFETY_ANALYSIS {
             const auto displayId = mCreationArgs.compositionDisplay->getDisplayId();
 
-            auto& modes = mCreationArgs.supportedModes;
+            auto& modes = mDisplayModes;
             auto& activeModeId = mCreationArgs.activeModeId;
 
-            if (displayId && !mCreationArgs.refreshRateConfigs) {
+            if (displayId && !mCreationArgs.refreshRateSelector) {
                 if (const auto physicalId = PhysicalDisplayId::tryCast(*displayId)) {
                     if (modes.empty()) {
                         constexpr DisplayModeId kModeId{0};
@@ -846,57 +844,68 @@ public:
                         activeModeId = kModeId;
                     }
 
-                    mCreationArgs.refreshRateConfigs =
-                            std::make_shared<scheduler::RefreshRateConfigs>(modes, activeModeId);
+                    mCreationArgs.refreshRateSelector =
+                            std::make_shared<scheduler::RefreshRateSelector>(modes, activeModeId);
                 }
             }
 
+            sp<DisplayDevice> display = sp<DisplayDevice>::make(mCreationArgs);
+            mFlinger.mutableDisplays().emplace_or_replace(mDisplayToken, display);
+
             DisplayDeviceState state;
-            if (const auto type = mCreationArgs.connectionType) {
+            state.isSecure = mCreationArgs.isSecure;
+
+            if (mConnectionType) {
                 LOG_ALWAYS_FATAL_IF(!displayId);
-                const auto physicalId = PhysicalDisplayId::tryCast(*displayId);
-                LOG_ALWAYS_FATAL_IF(!physicalId);
+                const auto physicalIdOpt = PhysicalDisplayId::tryCast(*displayId);
+                LOG_ALWAYS_FATAL_IF(!physicalIdOpt);
+                const auto physicalId = *physicalIdOpt;
+
+                if (mCreationArgs.isPrimary) {
+                    mFlinger.mutableActiveDisplayId() = physicalId;
+                }
+
                 LOG_ALWAYS_FATAL_IF(!mHwcDisplayId);
 
                 const auto activeMode = modes.get(activeModeId);
                 LOG_ALWAYS_FATAL_IF(!activeMode);
+                const auto fps = activeMode->get()->getFps();
 
-                state.physical = {.id = *physicalId,
-                                  .type = *type,
+                state.physical = {.id = physicalId,
                                   .hwcDisplayId = *mHwcDisplayId,
-                                  .deviceProductInfo = {},
-                                  .supportedModes = modes,
                                   .activeMode = activeMode->get()};
-            }
 
-            state.isSecure = mCreationArgs.isSecure;
+                mFlinger.mutablePhysicalDisplays().emplace_or_replace(physicalId, mDisplayToken,
+                                                                      physicalId, *mConnectionType,
+                                                                      std::move(modes),
+                                                                      ui::ColorModes(),
+                                                                      std::nullopt);
 
-            sp<DisplayDevice> display = sp<DisplayDevice>::make(mCreationArgs);
-            if (!display->isVirtual()) {
-                display->setActiveMode(activeModeId);
+                if (mFlinger.scheduler()) {
+                    mFlinger.scheduler()->registerDisplay(physicalId,
+                                                          display->holdRefreshRateSelector());
+                }
+
+                display->setActiveMode(activeModeId, fps, fps);
             }
-            mFlinger.mutableDisplays().emplace_or_replace(mDisplayToken, display);
 
             mFlinger.mutableCurrentState().displays.add(mDisplayToken, state);
             mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);
 
-            if (const auto& physical = state.physical) {
-                mFlinger.mutablePhysicalDisplayTokens().emplace_or_replace(physical->id,
-                                                                           mDisplayToken);
-            }
-
             return display;
         }
 
     private:
         TestableSurfaceFlinger& mFlinger;
-        sp<BBinder> mDisplayToken = new BBinder();
+        sp<BBinder> mDisplayToken = sp<BBinder>::make();
         DisplayDeviceCreationArgs mCreationArgs;
+        DisplayModes mDisplayModes;
+        const std::optional<ui::DisplayConnectionType> mConnectionType;
         const std::optional<hal::HWDisplayId> mHwcDisplayId;
     };
 
 private:
-    constexpr static int64_t kVsyncId = 123;
+    static constexpr VsyncId kVsyncId{123};
 
     surfaceflinger::test::Factory mFactory;
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
index 6ffc0396d7..a9ae1d3da3 100644
--- a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
@@ -44,11 +44,14 @@ namespace android {
 namespace {
 
 using testing::_;
+using testing::AllOf;
 using testing::AnyNumber;
 using testing::Contains;
+using testing::ElementsAre;
 using testing::HasSubstr;
 using testing::InSequence;
 using testing::Not;
+using testing::Property;
 using testing::SizeIs;
 using testing::StrEq;
 using testing::UnorderedElementsAre;
@@ -645,7 +648,7 @@ TEST_F(TimeStatsTest, canInsertOneLayerTimeStats) {
     ASSERT_TRUE(globalProto.ParseFromString(inputCommand(InputCommand::DUMP_ALL, FMT_PROTO)));
 
     ASSERT_EQ(1, globalProto.stats_size());
-    const SFTimeStatsLayerProto& layerProto = globalProto.stats().Get(0);
+    const SFTimeStatsLayerProto& layerProto = globalProto.stats(0);
     ASSERT_TRUE(layerProto.has_layer_name());
     EXPECT_EQ(genLayerName(LAYER_ID_0), layerProto.layer_name());
     ASSERT_TRUE(layerProto.has_total_frames());
@@ -653,7 +656,7 @@ TEST_F(TimeStatsTest, canInsertOneLayerTimeStats) {
     ASSERT_EQ(6, layerProto.deltas_size());
     for (const SFTimeStatsDeltaProto& deltaProto : layerProto.deltas()) {
         ASSERT_EQ(1, deltaProto.histograms_size());
-        const SFTimeStatsHistogramBucketProto& histogramProto = deltaProto.histograms().Get(0);
+        const SFTimeStatsHistogramBucketProto& histogramProto = deltaProto.histograms(0);
         EXPECT_EQ(1, histogramProto.frame_count());
         if ("post2acquire" == deltaProto.delta_name()) {
             EXPECT_EQ(1, histogramProto.time_millis());
@@ -673,6 +676,46 @@ TEST_F(TimeStatsTest, canInsertOneLayerTimeStats) {
     }
 }
 
+using LayerProto = SFTimeStatsLayerProto;
+using DeltaProto = SFTimeStatsDeltaProto;
+using BucketProto = SFTimeStatsHistogramBucketProto;
+
+TEST_F(TimeStatsTest, canComputeLayerStabilityHistogram) {
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 1, 1000000);
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 2, 2000000);
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 3, 3000000); // 0ms delta
+    // Slightly unstable frames
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 4, 5000000); // 1ms delta
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 5, 6000000); // 1ms delta
+
+    SFTimeStatsGlobalProto globalProto;
+    ASSERT_TRUE(globalProto.ParseFromString(inputCommand(InputCommand::DUMP_ALL, FMT_PROTO)));
+
+    EXPECT_THAT(globalProto.stats(),
+                ElementsAre(AllOf(
+                        Property(&LayerProto::layer_name, genLayerName(LAYER_ID_0)),
+                        Property(&LayerProto::total_frames, 4),
+                        Property(&LayerProto::deltas,
+                                 Contains(AllOf(Property(&DeltaProto::delta_name,
+                                                         "present2presentDelta"),
+                                                Property(&DeltaProto::histograms,
+                                                         UnorderedElementsAre(
+                                                                 AllOf(Property(&BucketProto::
+                                                                                        time_millis,
+                                                                                0),
+                                                                       Property(&BucketProto::
+                                                                                        frame_count,
+                                                                                1)),
+                                                                 AllOf(Property(&BucketProto::
+                                                                                        time_millis,
+                                                                                1),
+                                                                       Property(&BucketProto::
+                                                                                        frame_count,
+                                                                                2))))))))));
+}
+
 TEST_F(TimeStatsTest, canNotInsertInvalidLayerNameTimeStats) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
 
@@ -1099,8 +1142,10 @@ TEST_F(TimeStatsTest, globalStatsCallback) {
                                       kGameMode, JankType::None, DISPLAY_DEADLINE_DELTA,
                                       DISPLAY_PRESENT_JITTER, APP_DEADLINE_DELTA});
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10062 /*SURFACEFLINGER_STATS_GLOBAL_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10062 /*SURFACEFLINGER_STATS_GLOBAL_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     android::surfaceflinger::SurfaceflingerStatsGlobalInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
@@ -1234,8 +1279,10 @@ TEST_F(TimeStatsTest, layerStatsCallback_pullsAllAndClears) {
                                       GameMode::Standard, JankType::None, DISPLAY_DEADLINE_DELTA,
                                       DISPLAY_PRESENT_JITTER, APP_DEADLINE_DELTA_3MS});
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
@@ -1320,16 +1367,19 @@ TEST_F(TimeStatsTest, layerStatsCallback_multipleGameModes) {
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 3, 3000000, {}, GameMode::Performance);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 4, 4000000, {}, GameMode::Battery);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 5, 4000000, {}, GameMode::Battery);
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 6, 5000000, {}, GameMode::Custom);
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
     // The first time record is never uploaded to stats.
-    ASSERT_EQ(atomList.atom_size(), 3);
+    ASSERT_EQ(atomList.atom_size(), 4);
     // Layers are ordered based on the hash in LayerStatsKey. For this test, the order happens to
-    // be: 0 - Battery 1 - Performance 2 - Standard
+    // be: 0 - Battery 1 - Custom 2 - Performance 3 - Standard
     const SurfaceflingerStatsLayerInfo& atom0 = atomList.atom(0);
 
     EXPECT_EQ(atom0.layer_name(), genLayerName(LAYER_ID_0));
@@ -1364,7 +1414,7 @@ TEST_F(TimeStatsTest, layerStatsCallback_multipleGameModes) {
     EXPECT_EQ(atom1.uid(), UID_0);
     EXPECT_EQ(atom1.display_refresh_rate_bucket(), REFRESH_RATE_BUCKET_0);
     EXPECT_EQ(atom1.render_rate_bucket(), RENDER_RATE_BUCKET_0);
-    EXPECT_EQ(atom1.game_mode(), SurfaceflingerStatsLayerInfo::GAME_MODE_PERFORMANCE);
+    EXPECT_EQ(atom1.game_mode(), SurfaceflingerStatsLayerInfo::GAME_MODE_CUSTOM);
 
     const SurfaceflingerStatsLayerInfo& atom2 = atomList.atom(2);
 
@@ -1377,12 +1427,30 @@ TEST_F(TimeStatsTest, layerStatsCallback_multipleGameModes) {
     EXPECT_THAT(atom2.latch_to_present(), HistogramEq(buildExpectedHistogram({2}, {1})));
     EXPECT_THAT(atom2.desired_to_present(), HistogramEq(buildExpectedHistogram({1}, {1})));
     EXPECT_THAT(atom2.post_to_acquire(), HistogramEq(buildExpectedHistogram({1}, {1})));
-    EXPECT_EQ(atom2.late_acquire_frames(), LATE_ACQUIRE_FRAMES);
-    EXPECT_EQ(atom2.bad_desired_present_frames(), BAD_DESIRED_PRESENT_FRAMES);
+    EXPECT_EQ(atom2.late_acquire_frames(), 0);
+    EXPECT_EQ(atom2.bad_desired_present_frames(), 0);
     EXPECT_EQ(atom2.uid(), UID_0);
     EXPECT_EQ(atom2.display_refresh_rate_bucket(), REFRESH_RATE_BUCKET_0);
     EXPECT_EQ(atom2.render_rate_bucket(), RENDER_RATE_BUCKET_0);
-    EXPECT_EQ(atom2.game_mode(), SurfaceflingerStatsLayerInfo::GAME_MODE_STANDARD);
+    EXPECT_EQ(atom2.game_mode(), SurfaceflingerStatsLayerInfo::GAME_MODE_PERFORMANCE);
+
+    const SurfaceflingerStatsLayerInfo& atom3 = atomList.atom(3);
+
+    EXPECT_EQ(atom3.layer_name(), genLayerName(LAYER_ID_0));
+    EXPECT_EQ(atom3.total_frames(), 1);
+    EXPECT_EQ(atom3.dropped_frames(), 0);
+    EXPECT_THAT(atom3.present_to_present(), HistogramEq(buildExpectedHistogram({1}, {1})));
+    EXPECT_THAT(atom3.post_to_present(), HistogramEq(buildExpectedHistogram({4}, {1})));
+    EXPECT_THAT(atom3.acquire_to_present(), HistogramEq(buildExpectedHistogram({3}, {1})));
+    EXPECT_THAT(atom3.latch_to_present(), HistogramEq(buildExpectedHistogram({2}, {1})));
+    EXPECT_THAT(atom3.desired_to_present(), HistogramEq(buildExpectedHistogram({1}, {1})));
+    EXPECT_THAT(atom3.post_to_acquire(), HistogramEq(buildExpectedHistogram({1}, {1})));
+    EXPECT_EQ(atom3.late_acquire_frames(), LATE_ACQUIRE_FRAMES);
+    EXPECT_EQ(atom3.bad_desired_present_frames(), BAD_DESIRED_PRESENT_FRAMES);
+    EXPECT_EQ(atom3.uid(), UID_0);
+    EXPECT_EQ(atom3.display_refresh_rate_bucket(), REFRESH_RATE_BUCKET_0);
+    EXPECT_EQ(atom3.render_rate_bucket(), RENDER_RATE_BUCKET_0);
+    EXPECT_EQ(atom3.game_mode(), SurfaceflingerStatsLayerInfo::GAME_MODE_STANDARD);
 }
 
 TEST_F(TimeStatsTest, layerStatsCallback_pullsMultipleLayers) {
@@ -1393,8 +1461,10 @@ TEST_F(TimeStatsTest, layerStatsCallback_pullsMultipleLayers) {
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_1, 1, 2000000);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_1, 2, 3000000);
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
@@ -1418,8 +1488,10 @@ TEST_F(TimeStatsTest, layerStatsCallback_pullsMultipleBuckets) {
     mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(3000000));
     mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(5000000));
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
@@ -1437,8 +1509,10 @@ TEST_F(TimeStatsTest, layerStatsCallback_limitsHistogramBuckets) {
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 3, 4000000);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 4, 5000000);
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
@@ -1457,8 +1531,10 @@ TEST_F(TimeStatsTest, layerStatsCallback_limitsLayers) {
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_1, 2, 3000000);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_1, 4, 5000000);
 
+    std::vector<uint8_t> pulledBytes;
+    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledBytes));
     std::string pulledData;
-    EXPECT_TRUE(mTimeStats->onPullAtom(10063 /*SURFACEFLINGER_STATS_LAYER_INFO*/, &pulledData));
+    pulledData.assign(pulledBytes.begin(), pulledBytes.end());
 
     SurfaceflingerStatsLayerInfoWrapper atomList;
     ASSERT_TRUE(atomList.ParseFromString(pulledData));
diff --git a/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp b/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
index ded75318ed..d84698f279 100644
--- a/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 #undef LOG_TAG
 #define LOG_TAG "CompositionTest"
 
@@ -22,12 +21,18 @@
 #include <compositionengine/mock/DisplaySurface.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
+#include <gui/LayerState.h>
 #include <gui/SurfaceComposerClient.h>
+#include <gui/fake/BufferData.h>
 #include <log/log.h>
 #include <ui/MockFence.h>
 #include <utils/String8.h>
+#include <vector>
+#include <binder/Binder.h>
 
+#include "FrontEnd/TransactionHandler.h"
 #include "TestableSurfaceFlinger.h"
+#include "TransactionState.h"
 #include "mock/MockEventThread.h"
 #include "mock/MockVsyncController.h"
 
@@ -37,7 +42,9 @@ using testing::_;
 using testing::Return;
 
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+using frontend::TransactionHandler;
 
+constexpr nsecs_t TRANSACTION_TIMEOUT = s2ns(5);
 class TransactionApplicationTest : public testing::Test {
 public:
     TransactionApplicationTest() {
@@ -60,13 +67,15 @@ public:
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*mVSyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
         EXPECT_CALL(*mVSyncTracker, currentPeriod())
@@ -76,6 +85,7 @@ public:
         mFlinger.setupScheduler(std::unique_ptr<mock::VsyncController>(mVsyncController),
                                 std::unique_ptr<mock::VSyncTracker>(mVSyncTracker),
                                 std::move(eventThread), std::move(sfEventThread));
+        mFlinger.flinger()->addTransactionReadyFilters();
     }
 
     TestableSurfaceFlinger mFlinger;
@@ -107,22 +117,20 @@ public:
         EXPECT_EQ(info.desiredPresentTime, state.desiredPresentTime);
     }
 
-    void setupSingle(TransactionInfo& transaction, uint32_t flags, bool syncInputWindows,
-                     int64_t desiredPresentTime, bool isAutoTimestamp,
-                     const FrameTimelineInfo& frameTimelineInfo) {
+    void setupSingle(TransactionInfo& transaction, uint32_t flags, int64_t desiredPresentTime,
+                     bool isAutoTimestamp, const FrameTimelineInfo& frameTimelineInfo) {
         mTransactionNumber++;
-        transaction.flags |= flags; // ISurfaceComposer::eSynchronous;
-        transaction.inputWindowCommands.syncInputWindows = syncInputWindows;
+        transaction.flags |= flags;
         transaction.desiredPresentTime = desiredPresentTime;
         transaction.isAutoTimestamp = isAutoTimestamp;
         transaction.frameTimelineInfo = frameTimelineInfo;
     }
 
-    void NotPlacedOnTransactionQueue(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void NotPlacedOnTransactionQueue(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
         TransactionInfo transaction;
-        setupSingle(transaction, flags, syncInputWindows,
+        setupSingle(transaction, flags,
                     /*desiredPresentTime*/ systemTime(), /*isAutoTimestamp*/ true,
                     FrameTimelineInfo{});
         nsecs_t applicationTime = systemTime();
@@ -133,31 +141,25 @@ public:
                                      transaction.uncacheBuffer, mHasListenerCallbacks, mCallbacks,
                                      transaction.id);
 
-        // If transaction is synchronous or syncs input windows, SF
-        // applyTransactionState should time out (5s) wating for SF to commit
-        // the transaction or to receive a signal that syncInputWindows has
-        // completed.  If this is animation, it should not time out waiting.
+        // If transaction is synchronous, SF applyTransactionState should time out (5s) wating for
+        // SF to commit the transaction. If this is animation, it should not time out waiting.
         nsecs_t returnedTime = systemTime();
-        if (flags & ISurfaceComposer::eSynchronous || syncInputWindows) {
-            EXPECT_GE(returnedTime, applicationTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(returnedTime, applicationTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(returnedTime, applicationTime + TRANSACTION_TIMEOUT);
         // Each transaction should have been placed on the transaction queue
-        auto transactionQueue = mFlinger.getTransactionQueue();
-        EXPECT_EQ(1u, transactionQueue.size());
+        auto& transactionQueue = mFlinger.getTransactionQueue();
+        EXPECT_FALSE(transactionQueue.isEmpty());
     }
 
-    void PlaceOnTransactionQueue(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void PlaceOnTransactionQueue(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
         // first check will see desired present time has not passed,
         // but afterwards it will look like the desired present time has passed
         nsecs_t time = systemTime();
         TransactionInfo transaction;
-        setupSingle(transaction, flags, syncInputWindows,
-                    /*desiredPresentTime*/ time + s2ns(1), false, FrameTimelineInfo{});
+        setupSingle(transaction, flags, /*desiredPresentTime*/ time + s2ns(1), false,
+                    FrameTimelineInfo{});
         nsecs_t applicationSentTime = systemTime();
         mFlinger.setTransactionState(transaction.frameTimelineInfo, transaction.states,
                                      transaction.displays, transaction.flags,
@@ -167,37 +169,27 @@ public:
                                      transaction.id);
 
         nsecs_t returnedTime = systemTime();
-        if ((flags & ISurfaceComposer::eSynchronous) || syncInputWindows) {
-            EXPECT_GE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(returnedTime,
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(returnedTime, applicationSentTime + TRANSACTION_TIMEOUT);
         // This transaction should have been placed on the transaction queue
-        auto transactionQueue = mFlinger.getTransactionQueue();
-        EXPECT_EQ(1u, transactionQueue.size());
+        auto& transactionQueue = mFlinger.getTransactionQueue();
+        EXPECT_FALSE(transactionQueue.isEmpty());
     }
 
-    void BlockedByPriorTransaction(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void BlockedByPriorTransaction(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         nsecs_t time = systemTime();
-        if (!syncInputWindows) {
-            EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(2);
-        } else {
-            EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
-        }
+        EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(2);
+
         // transaction that should go on the pending thread
         TransactionInfo transactionA;
-        setupSingle(transactionA, /*flags*/ 0, /*syncInputWindows*/ false,
-                    /*desiredPresentTime*/ time + s2ns(1), false, FrameTimelineInfo{});
+        setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ time + s2ns(1), false,
+                    FrameTimelineInfo{});
 
         // transaction that would not have gone on the pending thread if not
         // blocked
         TransactionInfo transactionB;
-        setupSingle(transactionB, flags, syncInputWindows,
-                    /*desiredPresentTime*/ systemTime(), /*isAutoTimestamp*/ true,
-                    FrameTimelineInfo{});
+        setupSingle(transactionB, flags, /*desiredPresentTime*/ systemTime(),
+                    /*isAutoTimestamp*/ true, FrameTimelineInfo{});
 
         nsecs_t applicationSentTime = systemTime();
         mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
@@ -210,7 +202,7 @@ public:
         // This thread should not have been blocked by the above transaction
         // (5s is the timeout period that applyTransactionState waits for SF to
         // commit the transaction)
-        EXPECT_LE(systemTime(), applicationSentTime + mFlinger.getAnimationTransactionTimeout());
+        EXPECT_LE(systemTime(), applicationSentTime + TRANSACTION_TIMEOUT);
         // transaction that would goes to pending transaciton queue.
         mFlinger.flushTransactionQueues();
 
@@ -226,14 +218,7 @@ public:
         // if this is an animation, this thread should be blocked for 5s
         // in setTransactionState waiting for transactionA to flush.  Otherwise,
         // the transaction should be placed on the pending queue
-        if (flags & (ISurfaceComposer::eSynchronous) ||
-            syncInputWindows) {
-            EXPECT_GE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(systemTime(), applicationSentTime + TRANSACTION_TIMEOUT);
 
         // transaction that would goes to pending transaciton queue.
         mFlinger.flushTransactionQueues();
@@ -248,13 +233,13 @@ public:
     int mTransactionNumber = 0;
 };
 
-TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
-    ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+TEST_F(TransactionApplicationTest, AddToPendingQueue) {
+    ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
     EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
     TransactionInfo transactionA; // transaction to go on pending queue
-    setupSingle(transactionA, /*flags*/ 0, /*syncInputWindows*/ false,
-                /*desiredPresentTime*/ s2ns(1), false, FrameTimelineInfo{});
+    setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ s2ns(1), false,
+                FrameTimelineInfo{});
     mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
                                  transactionA.displays, transactionA.flags, transactionA.applyToken,
                                  transactionA.inputWindowCommands, transactionA.desiredPresentTime,
@@ -262,10 +247,27 @@ TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
                                  mHasListenerCallbacks, mCallbacks, transactionA.id);
 
     auto& transactionQueue = mFlinger.getTransactionQueue();
-    ASSERT_EQ(1u, transactionQueue.size());
+    ASSERT_FALSE(transactionQueue.isEmpty());
 
-    auto& transactionState = transactionQueue.front();
+    auto transactionState = transactionQueue.pop().value();
     checkEqual(transactionA, transactionState);
+}
+
+TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
+    ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
+    TransactionInfo transactionA; // transaction to go on pending queue
+    setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ s2ns(1), false,
+                FrameTimelineInfo{});
+    mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
+                                 transactionA.displays, transactionA.flags, transactionA.applyToken,
+                                 transactionA.inputWindowCommands, transactionA.desiredPresentTime,
+                                 transactionA.isAutoTimestamp, transactionA.uncacheBuffer,
+                                 mHasListenerCallbacks, mCallbacks, transactionA.id);
+
+    auto& transactionQueue = mFlinger.getTransactionQueue();
+    ASSERT_FALSE(transactionQueue.isEmpty());
 
     // because flushing uses the cached expected present time, we send an empty
     // transaction here (sending a null applyToken to fake it as from a
@@ -281,41 +283,21 @@ TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
     // passed
     mFlinger.flushTransactionQueues();
 
-    EXPECT_EQ(0u, transactionQueue.size());
-}
-
-TEST_F(TransactionApplicationTest, NotPlacedOnTransactionQueue_Synchronous) {
-    NotPlacedOnTransactionQueue(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
+    EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
 }
 
 TEST_F(TransactionApplicationTest, NotPlacedOnTransactionQueue_SyncInputWindows) {
-    NotPlacedOnTransactionQueue(/*flags*/ 0, /*syncInputWindows*/ true);
-}
-
-TEST_F(TransactionApplicationTest, PlaceOnTransactionQueue_Synchronous) {
-    PlaceOnTransactionQueue(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
+    NotPlacedOnTransactionQueue(/*flags*/ 0);
 }
 
 TEST_F(TransactionApplicationTest, PlaceOnTransactionQueue_SyncInputWindows) {
-    PlaceOnTransactionQueue(/*flags*/ 0, /*syncInputWindows*/ true);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_Synchronous) {
-    BlockedByPriorTransaction(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_Animation) {
-    BlockedByPriorTransaction(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_SyncInputWindows) {
-    BlockedByPriorTransaction(/*flags*/ 0, /*syncInputWindows*/ true);
+    PlaceOnTransactionQueue(/*flags*/ 0);
 }
 
 TEST_F(TransactionApplicationTest, FromHandle) {
     sp<IBinder> badHandle;
     auto ret = mFlinger.fromHandle(badHandle);
-    EXPECT_EQ(nullptr, ret.promote().get());
+    EXPECT_EQ(nullptr, ret.get());
 }
 
 class LatchUnsignaledTest : public TransactionApplicationTest {
@@ -323,9 +305,10 @@ public:
     void TearDown() override {
         // Clear all transaction queues to release all transactions we sent
         // in the tests. Otherwise, gmock complains about memory leaks.
-        mFlinger.getTransactionQueue().clear();
+        while (!mFlinger.getTransactionQueue().isEmpty()) {
+            mFlinger.getTransactionQueue().pop();
+        }
         mFlinger.getPendingTransactionQueue().clear();
-        mFlinger.getTransactionCommittedSignals().clear();
         mFlinger.commitTransactionsLocked(eTransactionMask);
         mFlinger.mutableCurrentState().layersSortedByZ.clear();
         mFlinger.mutableDrawingState().layersSortedByZ.clear();
@@ -339,12 +322,14 @@ public:
 
     ComposerState createComposerState(int layerId, sp<Fence> fence, uint64_t what) {
         ComposerState state;
-        state.state.bufferData = std::make_shared<BufferData>();
+        state.state.bufferData =
+                std::make_shared<fake::BufferData>(/* bufferId */ 123L, /* width */ 1,
+                                                   /* height */ 2, /* pixelFormat */ 0,
+                                                   /* outUsage */ 0);
         state.state.bufferData->acquireFence = std::move(fence);
         state.state.layerId = layerId;
         state.state.surface =
-                sp<BufferStateLayer>::make(
-                        LayerCreationArgs(mFlinger.flinger(), nullptr, "TestLayer", 0, {}))
+                sp<Layer>::make(LayerCreationArgs(mFlinger.flinger(), nullptr, "TestLayer", 0, {}))
                         ->getHandle();
         state.state.bufferData->flags = BufferData::BufferDataChange::fenceChanged;
 
@@ -358,14 +343,12 @@ public:
     TransactionInfo createTransactionInfo(const sp<IBinder>& applyToken,
                                           const std::vector<ComposerState>& states) {
         TransactionInfo transaction;
-        const uint32_t kFlags = ISurfaceComposer::eSynchronous;
-        const bool kSyncInputWindows = false;
+        const uint32_t kFlags = 0;
         const nsecs_t kDesiredPresentTime = systemTime();
         const bool kIsAutoTimestamp = true;
         const auto kFrameTimelineInfo = FrameTimelineInfo{};
 
-        setupSingle(transaction, kFlags, kSyncInputWindows, kDesiredPresentTime, kIsAutoTimestamp,
-                    kFrameTimelineInfo);
+        setupSingle(transaction, kFlags, kDesiredPresentTime, kIsAutoTimestamp, kFrameTimelineInfo);
         transaction.applyToken = applyToken;
         for (const auto& state : states) {
             transaction.states.push_back(state);
@@ -375,23 +358,31 @@ public:
     }
 
     void setTransactionStates(const std::vector<TransactionInfo>& transactions,
-                              size_t expectedTransactionsApplied,
                               size_t expectedTransactionsPending) {
-        EXPECT_EQ(0u, mFlinger.getTransactionQueue().size());
+        EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_EQ(0u, mFlinger.getPendingTransactionQueue().size());
 
-        for (const auto& transaction : transactions) {
-            mFlinger.setTransactionState(transaction.frameTimelineInfo, transaction.states,
-                                         transaction.displays, transaction.flags,
-                                         transaction.applyToken, transaction.inputWindowCommands,
-                                         transaction.desiredPresentTime,
-                                         transaction.isAutoTimestamp, transaction.uncacheBuffer,
-                                         mHasListenerCallbacks, mCallbacks, transaction.id);
+        for (auto transaction : transactions) {
+            std::vector<ResolvedComposerState> resolvedStates;
+            resolvedStates.reserve(transaction.states.size());
+            for (auto& state : transaction.states) {
+                resolvedStates.emplace_back(std::move(state));
+            }
+
+            TransactionState transactionState(transaction.frameTimelineInfo, resolvedStates,
+                                              transaction.displays, transaction.flags,
+                                              transaction.applyToken,
+                                              transaction.inputWindowCommands,
+                                              transaction.desiredPresentTime,
+                                              transaction.isAutoTimestamp,
+                                              transaction.uncacheBuffer, systemTime(), 0,
+                                              mHasListenerCallbacks, mCallbacks, getpid(),
+                                              static_cast<int>(getuid()), transaction.id);
+            mFlinger.setTransactionStateInternal(transactionState);
         }
         mFlinger.flushTransactionQueues();
-        EXPECT_EQ(0u, mFlinger.getTransactionQueue().size());
-        EXPECT_EQ(expectedTransactionsPending, mFlinger.getPendingTransactionQueue().size());
-        EXPECT_EQ(expectedTransactionsApplied, mFlinger.getTransactionCommittedSignals().size());
+        EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
+        EXPECT_EQ(expectedTransactionsPending, mFlinger.getPendingTransactionCount());
     }
 };
 
@@ -407,22 +398,19 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSingleSignaledFromTheQue
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSingleUnSignaledFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -432,15 +420,13 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSingleUnSignaledFromTheQ
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBufferCropChange) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -448,17 +434,17 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBu
                                   {
                                           createComposerState(kLayerId,
                                                               fence(Fence::Status::Unsignaled),
-                                                              layer_state_t::eCropChanged),
+                                                              layer_state_t::eCropChanged |
+                                                                      layer_state_t::
+                                                                              eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBufferChangeClubed) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -470,15 +456,13 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBu
                                                                       layer_state_t::
                                                                               eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueueSameApplyTokenMultiState) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto mixedTransaction =
@@ -491,8 +475,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueueSameApplyTokenMu
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueue_MultipleStateTransaction) {
@@ -500,7 +483,6 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueue_MultipleStateTr
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto mixedTransaction =
@@ -513,8 +495,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueue_MultipleStateTr
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSignaledFromTheQueue) {
@@ -522,7 +503,6 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSignaledFromTheQueue) {
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -539,8 +519,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSignaledFromTheQueue) {
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest,
@@ -551,7 +530,6 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest,
     const sp<IBinder> kApplyToken3 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -578,43 +556,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest,
                                   });
 
     setTransactionStates({unsignaledTransaction, signaledTransaction, signaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
-}
-
-TEST_F(LatchUnsignaledAutoSingleLayerTest, UnsignaledNotAppliedWhenThereAreSignaled_SignaledFirst) {
-    const sp<IBinder> kApplyToken1 =
-            IInterface::asBinder(TransactionCompletedListener::getIInstance());
-    const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
-    const sp<IBinder> kApplyToken3 = sp<BBinder>::make();
-    const auto kLayerId1 = 1;
-    const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
-    const auto kExpectedTransactionsPending = 1u;
-
-    const auto signaledTransaction =
-            createTransactionInfo(kApplyToken1,
-                                  {
-                                          createComposerState(kLayerId1,
-                                                              fence(Fence::Status::Signaled),
-                                                              layer_state_t::eBufferChanged),
-                                  });
-    const auto signaledTransaction2 =
-            createTransactionInfo(kApplyToken2,
-                                  {
-                                          createComposerState(kLayerId1,
-                                                              fence(Fence::Status::Signaled),
-                                                              layer_state_t::eBufferChanged),
-                                  });
-    const auto unsignaledTransaction =
-            createTransactionInfo(kApplyToken3,
-                                  {
-                                          createComposerState(kLayerId2,
-                                                              fence(Fence::Status::Unsignaled),
-                                                              layer_state_t::eBufferChanged),
-                                  });
-
-    setTransactionStates({signaledTransaction, signaledTransaction2, unsignaledTransaction},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueueSameApplyToken) {
@@ -622,7 +564,6 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueueSameA
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -639,7 +580,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueueSameA
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -649,7 +590,6 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueue) {
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -667,14 +607,13 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueue) {
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, DontLatchUnsignaledWhenEarlyOffset) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -688,8 +627,7 @@ TEST_F(LatchUnsignaledAutoSingleLayerTest, DontLatchUnsignaledWhenEarlyOffset) {
     // Get VsyncModulator out of the default config
     static_cast<void>(mFlinger.mutableVsyncModulator()->onRefreshRateChangeInitiated());
 
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 class LatchUnsignaledDisabledTest : public LatchUnsignaledTest {
@@ -704,22 +642,19 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_RemovesSignaledFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -729,15 +664,13 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueue) {
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueSameLayerId) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -750,8 +683,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueSameLayerId) {
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueDifferentLayerId) {
@@ -759,7 +691,6 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueDifferentLayerId) {
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -772,8 +703,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueDifferentLayerId) {
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_RemovesSignaledFromTheQueue_MultipleLayers) {
@@ -781,7 +711,6 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_RemovesSignaledFromTheQueue_MultipleLa
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -798,8 +727,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_RemovesSignaledFromTheQueue_MultipleLa
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueDifferentApplyToken) {
@@ -808,7 +736,6 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueDifferentApplyToken) {
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -825,7 +752,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueDifferentApplyToken) {
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -834,7 +761,6 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueSameApplyToken) {
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto signaledTransaction =
@@ -851,7 +777,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueSameApplyToken) {
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, unsignaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({signaledTransaction, unsignaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -860,8 +786,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheUnsignaledTheQueue) {
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
-    const auto kExpectedTransactionsPending = 1u;
+    const auto kExpectedTransactionsPending = 2u;
 
     const auto unsignaledTransaction =
             createTransactionInfo(kApplyToken,
@@ -878,7 +803,7 @@ TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheUnsignaledTheQueue) {
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 class LatchUnsignaledAlwaysTest : public LatchUnsignaledTest {
@@ -893,37 +818,32 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesSignaledFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Unsignaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueSameLayerId) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto mixedTransaction =
@@ -932,8 +852,7 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueSameLayerId) {
                                                        layer_state_t::eBufferChanged),
                                    createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentLayerId) {
@@ -941,7 +860,6 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentLayerId) {
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto mixedTransaction =
@@ -950,8 +868,7 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentLayerId) {
                                                        layer_state_t::eBufferChanged),
                                    createComposerState(kLayerId2, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesSignaledFromTheQueue_MultipleLayers) {
@@ -959,7 +876,6 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesSignaledFromTheQueue_MultipleLaye
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -976,8 +892,7 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesSignaledFromTheQueue_MultipleLaye
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentApplyToken) {
@@ -986,7 +901,6 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentApplyToken)
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -1003,7 +917,7 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentApplyToken)
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, unsignaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({signaledTransaction, unsignaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -1012,7 +926,6 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesUnsignaledFromTheQueueSameApplyTo
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1029,7 +942,7 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesUnsignaledFromTheQueueSameApplyTo
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -1039,7 +952,6 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesUnsignaledFromTheQueue) {
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1057,14 +969,13 @@ TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesUnsignaledFromTheQueue) {
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, LatchUnsignaledWhenEarlyOffset) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1078,8 +989,19 @@ TEST_F(LatchUnsignaledAlwaysTest, LatchUnsignaledWhenEarlyOffset) {
     // Get VsyncModulator out of the default config
     static_cast<void>(mFlinger.mutableVsyncModulator()->onRefreshRateChangeInitiated());
 
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
+}
+
+TEST(TransactionHandlerTest, QueueTransaction) {
+    TransactionHandler handler;
+    TransactionState transaction;
+    transaction.applyToken = sp<BBinder>::make();
+    transaction.id = 42;
+    handler.queueTransaction(std::move(transaction));
+    std::vector<TransactionState> transactionsReadyToBeApplied = handler.flushTransactions();
+
+    EXPECT_EQ(transactionsReadyToBeApplied.size(), 1u);
+    EXPECT_EQ(transactionsReadyToBeApplied.front().id, 42u);
 }
 
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
index 5364630400..1173d1c876 100644
--- a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
@@ -56,11 +56,11 @@ public:
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
         LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
                                LayerMetadata());
-        return new BufferStateLayer(args);
+        return sp<Layer>::make(args);
     }
 
     void commitTransaction(Layer* layer) {
@@ -74,13 +74,15 @@ public:
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -99,9 +101,9 @@ public:
     FenceToFenceTimeMap fenceFactory;
 
     void BLASTTransactionSendsFrameTracerEvents() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         int32_t layerId = layer->getSequence();
         uint64_t bufferId = 42;
         uint64_t frameNumber = 5;
@@ -127,7 +129,6 @@ public:
                          dequeueTime, FrameTimelineInfo{});
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
         nsecs_t latchTime = 25;
         EXPECT_CALL(*mFlinger.getFrameTracer(),
                     traceFence(layerId, bufferId, frameNumber, _,
@@ -135,7 +136,7 @@ public:
         EXPECT_CALL(*mFlinger.getFrameTracer(),
                     traceTimestamp(layerId, bufferId, frameNumber, latchTime,
                                    FrameTracer::FrameEvent::LATCH, /*duration*/ 0));
-        layer->updateTexImage(computeVisisbleRegions, latchTime, /*expectedPresentTime*/ 0);
+        layer->updateTexImage(latchTime);
 
         auto glDoneFence = fenceFactory.createFenceTimeForTest(fence);
         auto presentFence = fenceFactory.createFenceTimeForTest(fence);
diff --git a/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp b/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
index f5e3b77ca6..b6427c0ffb 100644
--- a/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
@@ -27,8 +27,8 @@ using namespace android::surfaceflinger;
 namespace android {
 
 TEST(TransactionProtoParserTest, parse) {
-    const sp<IBinder> layerHandle = new BBinder();
-    const sp<IBinder> displayHandle = new BBinder();
+    const sp<IBinder> layerHandle = sp<BBinder>::make();
+    const sp<IBinder> displayHandle = sp<BBinder>::make();
     TransactionState t1;
     t1.originPid = 1;
     t1.originUid = 2;
@@ -46,14 +46,14 @@ TEST(TransactionProtoParserTest, parse) {
     size_t layerCount = 2;
     t1.states.reserve(layerCount);
     for (uint32_t i = 0; i < layerCount; i++) {
-        ComposerState s;
+        ResolvedComposerState s;
         if (i == 1) {
             layer.parentSurfaceControlForChild =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(), layerHandle, nullptr,
-                                       42);
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(), layerHandle, 42,
+                                             "#42");
         }
         s.state = layer;
-        t1.states.add(s);
+        t1.states.emplace_back(s);
     }
 
     size_t displayCount = 2;
diff --git a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
index 5bb4c92a8e..ae03db43a7 100644
--- a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
@@ -56,11 +56,10 @@ public:
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
-        LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
-                               LayerMetadata());
-        return new BufferStateLayer(args);
+        LayerCreationArgs args(mFlinger.flinger(), client, "layer", 0, LayerMetadata());
+        return sp<Layer>::make(args);
     }
 
     void commitTransaction(Layer* layer) {
@@ -74,13 +73,15 @@ public:
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -99,9 +100,11 @@ public:
     FenceToFenceTimeMap fenceFactory;
 
     void PresentedSurfaceFrameForBufferlessTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_TRUE(layer->mDrawingState.bufferSurfaceFrameTX == nullptr);
         const auto surfaceFrame = layer->mDrawingState.bufferlessSurfaceFramesTX.at(/*token*/ 1);
@@ -112,8 +115,8 @@ public:
     }
 
     void PresentedSurfaceFrameForBufferTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        sp<Fence> fence(new Fence());
+        sp<Layer> layer = createLayer();
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -125,8 +128,10 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence->signalForTest(12);
 
         commitTransaction(layer.get());
@@ -136,8 +141,7 @@ public:
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, surfaceFrame->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, surfaceFrame->getToken());
         EXPECT_EQ(true, surfaceFrame->getIsBuffer());
@@ -145,9 +149,9 @@ public:
     }
 
     void DroppedSurfaceFrameForBufferTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -159,13 +163,15 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         nsecs_t start = systemTime();
         bufferData.acquireFence = fence2;
@@ -177,8 +183,7 @@ public:
                                                          2ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfo);
         nsecs_t end = systemTime();
         acquireFence2->signalForTest(12);
 
@@ -187,8 +192,7 @@ public:
         const auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, droppedSurfaceFrame->getToken());
         EXPECT_EQ(true, droppedSurfaceFrame->getIsBuffer());
@@ -203,15 +207,17 @@ public:
     }
 
     void BufferlessSurfaceFramePromotedToBufferSurfaceFrame() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
 
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -223,8 +229,7 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence->signalForTest(12);
 
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
@@ -237,15 +242,14 @@ public:
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, surfaceFrame->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(PresentState::Presented, surfaceFrame->getPresentState());
     }
 
     void BufferlessSurfaceFrameNotCreatedIfBufferSufaceFrameExists() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        sp<Fence> fence(new Fence());
+        sp<Layer> layer = createLayer();
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -257,33 +261,38 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
     }
 
     void MultipleSurfaceFramesPresentedTogether() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferlessSurfaceFrame1 =
                 layer->mDrawingState.bufferlessSurfaceFramesTX.at(/*token*/ 1);
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 4, /*inputEventId*/ 0},
-                                                             10);
+        FrameTimelineInfo ftInfo2;
+        ftInfo2.vsyncId = 4;
+        ftInfo2.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo2, 10);
         EXPECT_EQ(2u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferlessSurfaceFrame2 = layer->mDrawingState.bufferlessSurfaceFramesTX[4];
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -295,8 +304,10 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 3, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo3;
+        ftInfo3.vsyncId = 3;
+        ftInfo3.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo3);
         EXPECT_EQ(2u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferSurfaceFrameTX = layer->mDrawingState.bufferSurfaceFrameTX;
@@ -318,16 +329,15 @@ public:
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, bufferSurfaceFrameTX->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(PresentState::Presented, bufferSurfaceFrameTX->getPresentState());
     }
 
     void PendingSurfaceFramesRemovedAfterClassification() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -339,12 +349,14 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         bufferData.acquireFence = fence2;
         bufferData.frameNumber = 1;
@@ -355,16 +367,14 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence2->signalForTest(12);
 
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         // Both the droppedSurfaceFrame and presentedSurfaceFrame should be in
         // pendingJankClassifications.
@@ -377,9 +387,9 @@ public:
     }
 
     void BufferSurfaceFrame_ReplaceValidTokenBufferWithInvalidTokenBuffer() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -391,13 +401,15 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame1 = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         auto dropStartTime1 = systemTime();
         bufferData.acquireFence = fence2;
@@ -409,14 +421,16 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ FrameTimelineInfo::INVALID_VSYNC_ID, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfoInv;
+        ftInfoInv.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+        ftInfoInv.inputEventId = 0;
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfoInv);
         auto dropEndTime1 = systemTime();
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame2 = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence3(new Fence());
+        sp<Fence> fence3(sp<Fence>::make());
         auto acquireFence3 = fenceFactory.createFenceTimeForTest(fence3);
         auto dropStartTime2 = systemTime();
         bufferData.acquireFence = fence3;
@@ -428,8 +442,10 @@ public:
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture3, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 2, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo2;
+        ftInfo2.vsyncId = 2;
+        ftInfo2.inputEventId = 0;
+        layer->setBuffer(externalTexture3, bufferData, 10, 20, false, std::nullopt, ftInfo2);
         auto dropEndTime2 = systemTime();
         acquireFence3->signalForTest(12);
 
@@ -438,8 +454,7 @@ public:
         const auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, droppedSurfaceFrame1->getToken());
         EXPECT_EQ(true, droppedSurfaceFrame1->getIsBuffer());
@@ -461,11 +476,11 @@ public:
     }
 
     void MultipleCommitsBeforeLatch() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
         uint32_t surfaceFramesPendingClassification = 0;
         std::vector<std::shared_ptr<frametimeline::SurfaceFrame>> bufferlessSurfaceFrames;
         for (int i = 0; i < 10; i += 2) {
-            sp<Fence> fence(new Fence());
+            sp<Fence> fence(sp<Fence>::make());
             BufferData bufferData;
             bufferData.acquireFence = fence;
             bufferData.frameNumber = 1;
@@ -476,11 +491,14 @@ public:
                                                              1ULL /* bufferId */,
                                                              HAL_PIXEL_FORMAT_RGBA_8888,
                                                              0ULL /*usage*/);
-            layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                             {/*vsyncId*/ 1, /*inputEventId*/ 0});
-            layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 2,
-                                                                  /*inputEventId*/ 0},
-                                                                 10);
+            FrameTimelineInfo ftInfo;
+            ftInfo.vsyncId = 1;
+            ftInfo.inputEventId = 0;
+            layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
+            FrameTimelineInfo ftInfo2;
+            ftInfo2.vsyncId = 2;
+            ftInfo2.inputEventId = 0;
+            layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo2, 10);
             ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
             EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
             auto& bufferlessSurfaceFrame =
@@ -494,8 +512,7 @@ public:
         }
 
         auto presentedBufferSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
         // BufferlessSurfaceFrames are immediately set to presented and added to the DisplayFrame.
         // Since we don't have access to DisplayFrame here, trigger an onPresent directly.
         for (auto& surfaceFrame : bufferlessSurfaceFrames) {
diff --git a/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp b/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
index 61b72a0b9b..482c3a8e50 100644
--- a/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
@@ -101,10 +101,10 @@ protected:
     void SetUp() override {
         // add layers
         mTracing.setBufferSize(SMALL_BUFFER_SIZE);
-        const sp<IBinder> fakeLayerHandle = new BBinder();
+        const sp<IBinder> fakeLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeLayerHandle->localBinder(), mParentLayerId, "parent",
                               123 /* flags */, -1 /* parentId */);
-        const sp<IBinder> fakeChildLayerHandle = new BBinder();
+        const sp<IBinder> fakeChildLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeChildLayerHandle->localBinder(), mChildLayerId, "child",
                               456 /* flags */, mParentLayerId);
 
@@ -112,21 +112,23 @@ protected:
         {
             TransactionState transaction;
             transaction.id = 50;
-            ComposerState layerState;
+            ResolvedComposerState layerState;
             layerState.state.surface = fakeLayerHandle;
             layerState.state.what = layer_state_t::eLayerChanged;
             layerState.state.z = 42;
-            transaction.states.add(layerState);
-            ComposerState childState;
+            transaction.states.emplace_back(layerState);
+            ResolvedComposerState childState;
             childState.state.surface = fakeChildLayerHandle;
             childState.state.what = layer_state_t::eLayerChanged;
             childState.state.z = 43;
-            transaction.states.add(childState);
+            transaction.states.emplace_back(childState);
             mTracing.addQueuedTransaction(transaction);
 
             std::vector<TransactionState> transactions;
             transactions.emplace_back(transaction);
             VSYNC_ID_FIRST_LAYER_CHANGE = ++mVsyncId;
+            mTracing.onLayerAddedToDrawingState(mParentLayerId, VSYNC_ID_FIRST_LAYER_CHANGE);
+            mTracing.onLayerAddedToDrawingState(mChildLayerId, VSYNC_ID_FIRST_LAYER_CHANGE);
             mTracing.addCommittedTransactions(transactions, VSYNC_ID_FIRST_LAYER_CHANGE);
             flush(VSYNC_ID_FIRST_LAYER_CHANGE);
         }
@@ -136,12 +138,12 @@ protected:
         {
             TransactionState transaction;
             transaction.id = 51;
-            ComposerState layerState;
+            ResolvedComposerState layerState;
             layerState.state.surface = fakeLayerHandle;
             layerState.state.what = layer_state_t::eLayerChanged | layer_state_t::ePositionChanged;
             layerState.state.z = 41;
             layerState.state.x = 22;
-            transaction.states.add(layerState);
+            transaction.states.emplace_back(layerState);
             mTracing.addQueuedTransaction(transaction);
 
             std::vector<TransactionState> transactions;
@@ -232,32 +234,34 @@ protected:
     void SetUp() override {
         // add layers
         mTracing.setBufferSize(SMALL_BUFFER_SIZE);
-        const sp<IBinder> fakeLayerHandle = new BBinder();
+        const sp<IBinder> fakeLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeLayerHandle->localBinder(), mLayerId, "Test Layer",
                               123 /* flags */, -1 /* parentId */);
-        const sp<IBinder> fakeMirrorLayerHandle = new BBinder();
+        const sp<IBinder> fakeMirrorLayerHandle = sp<BBinder>::make();
         mTracing.onMirrorLayerAdded(fakeMirrorLayerHandle->localBinder(), mMirrorLayerId, "Mirror",
                                     mLayerId);
+        mTracing.onLayerAddedToDrawingState(mLayerId, mVsyncId);
+        mTracing.onLayerAddedToDrawingState(mMirrorLayerId, mVsyncId);
 
         // add some layer transaction
         {
             TransactionState transaction;
             transaction.id = 50;
-            ComposerState layerState;
+            ResolvedComposerState layerState;
             layerState.state.surface = fakeLayerHandle;
             layerState.state.what = layer_state_t::eLayerChanged;
             layerState.state.z = 42;
-            transaction.states.add(layerState);
-            ComposerState mirrorState;
+            transaction.states.emplace_back(layerState);
+            ResolvedComposerState mirrorState;
             mirrorState.state.surface = fakeMirrorLayerHandle;
             mirrorState.state.what = layer_state_t::eLayerChanged;
             mirrorState.state.z = 43;
-            transaction.states.add(mirrorState);
+            transaction.states.emplace_back(mirrorState);
             mTracing.addQueuedTransaction(transaction);
 
             std::vector<TransactionState> transactions;
             transactions.emplace_back(transaction);
-            mTracing.addCommittedTransactions(transactions, ++mVsyncId);
+            mTracing.addCommittedTransactions(transactions, mVsyncId);
             flush(mVsyncId);
         }
     }
diff --git a/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp b/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
index 15fea9c6b2..da87f1db17 100644
--- a/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
@@ -22,7 +22,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferStateLayer.h"
 #include "TestableSurfaceFlinger.h"
 #include "TunnelModeEnabledReporter.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -64,7 +63,7 @@ protected:
 
     void setupScheduler();
     void setupComposer(uint32_t virtualDisplayCount);
-    sp<BufferStateLayer> createBufferStateLayer(LayerMetadata metadata);
+    sp<Layer> createBufferStateLayer(LayerMetadata metadata);
 
     TestableSurfaceFlinger mFlinger;
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -95,11 +94,10 @@ TunnelModeEnabledReporterTest::~TunnelModeEnabledReporterTest() {
     mTunnelModeEnabledReporter->removeListener(mTunnelModeEnabledListener);
 }
 
-sp<BufferStateLayer> TunnelModeEnabledReporterTest::createBufferStateLayer(
-        LayerMetadata metadata = {}) {
+sp<Layer> TunnelModeEnabledReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS, metadata);
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void TunnelModeEnabledReporterTest::setupScheduler() {
@@ -108,13 +106,15 @@ void TunnelModeEnabledReporterTest::setupScheduler() {
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
index 2da266bd33..47c2deef51 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
@@ -54,6 +54,7 @@ public:
     void resetModel() final {}
     bool needsMoreSamples() const final { return false; }
     bool isVSyncInPhase(nsecs_t, Fps) const final { return false; }
+    void setDivisor(unsigned) final {}
     void dump(std::string&) const final {}
 
 private:
@@ -91,6 +92,7 @@ public:
     void resetModel() final {}
     bool needsMoreSamples() const final { return false; }
     bool isVSyncInPhase(nsecs_t, Fps) const final { return false; }
+    void setDivisor(unsigned) final {}
     void dump(std::string&) const final {}
 
 private:
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
index b7f968dc17..2b86e94244 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
@@ -44,6 +44,8 @@ public:
         ON_CALL(*this, nextAnticipatedVSyncTimeFrom(_))
                 .WillByDefault(Invoke(this, &MockVSyncTracker::nextVSyncTime));
         ON_CALL(*this, addVsyncTimestamp(_)).WillByDefault(Return(true));
+        ON_CALL(*this, currentPeriod())
+                .WillByDefault(Invoke(this, &MockVSyncTracker::getCurrentPeriod));
     }
 
     MOCK_METHOD1(addVsyncTimestamp, bool(nsecs_t));
@@ -53,6 +55,7 @@ public:
     MOCK_METHOD0(resetModel, void());
     MOCK_CONST_METHOD0(needsMoreSamples, bool());
     MOCK_CONST_METHOD2(isVSyncInPhase, bool(nsecs_t, Fps));
+    MOCK_METHOD(void, setDivisor, (unsigned), (override));
     MOCK_CONST_METHOD1(dump, void(std::string&));
 
     nsecs_t nextVSyncTime(nsecs_t timePoint) const {
@@ -62,6 +65,8 @@ public:
         return (timePoint - (timePoint % mPeriod) + mPeriod);
     }
 
+    nsecs_t getCurrentPeriod() const { return mPeriod; }
+
 protected:
     nsecs_t const mPeriod;
 };
@@ -393,6 +398,43 @@ TEST_F(VSyncDispatchTimerQueueTest, basicTwoAlarmSetting) {
     EXPECT_THAT(cb1.mCalls[0], Eq(1063));
 }
 
+TEST_F(VSyncDispatchTimerQueueTest, noCloseCallbacksAfterPeriodChange) {
+    EXPECT_CALL(mStubTracker, nextAnticipatedVSyncTimeFrom(_))
+            .Times(4)
+            .WillOnce(Return(1000))
+            .WillOnce(Return(2000))
+            .WillOnce(Return(2500))
+            .WillOnce(Return(4000));
+
+    Sequence seq;
+    EXPECT_CALL(mMockClock, alarmAt(_, 900)).InSequence(seq);
+    EXPECT_CALL(mMockClock, alarmAt(_, 1900)).InSequence(seq);
+    EXPECT_CALL(mMockClock, alarmAt(_, 3900)).InSequence(seq);
+
+    CountingCallback cb(mDispatch);
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 0});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(1));
+    EXPECT_THAT(cb.mCalls[0], Eq(1000));
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 1000});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(2));
+    EXPECT_THAT(cb.mCalls[1], Eq(2000));
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 2000});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(3));
+    EXPECT_THAT(cb.mCalls[2], Eq(4000));
+}
+
 TEST_F(VSyncDispatchTimerQueueTest, rearmsFaroutTimeoutWhenCancellingCloseOne) {
     EXPECT_CALL(mStubTracker, nextAnticipatedVSyncTimeFrom(_))
             .Times(4)
diff --git a/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp b/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
index 74d2b7d9b6..3095e8aa9a 100644
--- a/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
@@ -532,6 +532,26 @@ TEST_F(VSyncPredictorTest, robustToDuplicateTimestamps_60hzRealTraceData) {
     EXPECT_THAT(intercept, IsCloseTo(expectedIntercept, mMaxRoundingError));
 }
 
+TEST_F(VSyncPredictorTest, setDivisorIsRespected) {
+    auto last = mNow;
+    for (auto i = 0u; i < kMinimumSamplesForPrediction; i++) {
+        EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow), Eq(last + mPeriod));
+        mNow += mPeriod;
+        last = mNow;
+        tracker.addVsyncTimestamp(mNow);
+    }
+
+    tracker.setDivisor(3);
+
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow), Eq(mNow + mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 100), Eq(mNow + mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 1100), Eq(mNow + 4 * mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 2100), Eq(mNow + 4 * mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 3100), Eq(mNow + 4 * mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 4100), Eq(mNow + 7 * mPeriod));
+    EXPECT_THAT(tracker.nextAnticipatedVSyncTimeFrom(mNow + 5100), Eq(mNow + 7 * mPeriod));
+}
+
 } // namespace android::scheduler
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
index 30a3f9a4a7..8bd689a61d 100644
--- a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
@@ -50,6 +50,7 @@ public:
     MOCK_METHOD0(resetModel, void());
     MOCK_CONST_METHOD0(needsMoreSamples, bool());
     MOCK_CONST_METHOD2(isVSyncInPhase, bool(nsecs_t, Fps));
+    MOCK_METHOD(void, setDivisor, (unsigned), (override));
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
@@ -77,12 +78,12 @@ struct MockVSyncDispatch : VSyncDispatch {
 };
 
 std::shared_ptr<android::FenceTime> generateInvalidFence() {
-    sp<Fence> fence = new Fence();
+    sp<Fence> fence = sp<Fence>::make();
     return std::make_shared<android::FenceTime>(fence);
 }
 
 std::shared_ptr<android::FenceTime> generatePendingFence() {
-    sp<Fence> fence = new Fence(dup(fileno(tmpfile())));
+    sp<Fence> fence = sp<Fence>::make(dup(fileno(tmpfile())));
     return std::make_shared<android::FenceTime>(fence);
 }
 
@@ -92,7 +93,7 @@ void signalFenceWithTime(std::shared_ptr<android::FenceTime> const& fence, nsecs
 }
 
 std::shared_ptr<android::FenceTime> generateSignalledFenceWithTime(nsecs_t time) {
-    sp<Fence> fence = new Fence(dup(fileno(tmpfile())));
+    sp<Fence> fence = sp<Fence>::make(dup(fileno(tmpfile())));
     std::shared_ptr<android::FenceTime> ft = std::make_shared<android::FenceTime>(fence);
     signalFenceWithTime(ft, time);
     return ft;
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
index 657ced3d08..5654691884 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <gmock/gmock.h>
+#include <scheduler/Time.h>
 
 #include "DisplayHardware/PowerAdvisor.h"
 
@@ -35,15 +36,15 @@ public:
     MockAidlPowerHalWrapper();
     ~MockAidlPowerHalWrapper() override;
     MOCK_METHOD(bool, setExpensiveRendering, (bool enabled), (override));
-    MOCK_METHOD(bool, notifyDisplayUpdateImminent, (), (override));
+    MOCK_METHOD(bool, notifyDisplayUpdateImminentAndCpuReset, (), (override));
     MOCK_METHOD(bool, supportsPowerHintSession, (), (override));
     MOCK_METHOD(bool, isPowerHintSessionRunning, (), (override));
     MOCK_METHOD(void, restartPowerHintSession, (), (override));
     MOCK_METHOD(void, setPowerHintSessionThreadIds, (const std::vector<int32_t>& threadIds),
                 (override));
     MOCK_METHOD(bool, startPowerHintSession, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (nsecs_t targetDuration), (override));
-    MOCK_METHOD(void, sendActualWorkDuration, (nsecs_t actualDuration, nsecs_t timestamp),
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
+    MOCK_METHOD(void, sendActualWorkDuration, (Duration actualDuration, TimePoint timestamp),
                 (override));
     MOCK_METHOD(bool, shouldReconnectHAL, (), (override));
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index aa8b5211e9..836e3a47cc 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -32,7 +32,6 @@ using android::hardware::graphics::common::V1_0::Transform;
 using android::hardware::graphics::common::V1_1::RenderIntent;
 using android::hardware::graphics::common::V1_2::ColorMode;
 using android::hardware::graphics::common::V1_2::Dataspace;
-using android::hardware::graphics::common::V1_2::Hdr;
 using android::hardware::graphics::common::V1_2::PixelFormat;
 
 using android::hardware::graphics::composer::V2_1::Config;
@@ -56,8 +55,8 @@ public:
                  std::vector<aidl::android::hardware::graphics::composer3::Capability>());
     MOCK_METHOD0(dumpDebugInfo, std::string());
     MOCK_METHOD1(registerCallback, void(HWC2::ComposerCallback&));
-    MOCK_METHOD0(resetCommands, void());
-    MOCK_METHOD0(executeCommands, Error());
+    MOCK_METHOD1(resetCommands, void(Display));
+    MOCK_METHOD1(executeCommands, Error(Display));
     MOCK_METHOD0(getMaxVirtualDisplayCount, uint32_t());
     MOCK_METHOD4(createVirtualDisplay, Error(uint32_t, uint32_t, PixelFormat*, Display*));
     MOCK_METHOD1(destroyVirtualDisplay, Error(Display));
@@ -164,6 +163,10 @@ public:
     MOCK_METHOD2(setIdleTimerEnabled, Error(Display, std::chrono::milliseconds));
     MOCK_METHOD2(hasDisplayIdleTimerCapability, Error(Display, bool*));
     MOCK_METHOD2(getPhysicalDisplayOrientation, Error(Display, AidlTransform*));
+    MOCK_METHOD1(getOverlaySupport,
+                 Error(aidl::android::hardware::graphics::composer3::OverlayProperties*));
+    MOCK_METHOD1(onHotplugConnect, void(Display));
+    MOCK_METHOD1(onHotplugDisconnect, void(Display));
 };
 
 } // namespace Hwc2::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
index a83ecbca26..c78b6bdc18 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
@@ -33,4 +33,9 @@ inline DisplayModePtr createDisplayMode(
             .build();
 }
 
+inline DisplayModePtr createDisplayMode(PhysicalDisplayId displayId, DisplayModeId modeId,
+                                        Fps refreshRate) {
+    return createDisplayMode(modeId, refreshRate, {}, {}, displayId);
+}
+
 } // namespace android::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockHWC2.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockHWC2.h
index 07cd15da93..40f59b8cb9 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockHWC2.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockHWC2.h
@@ -105,6 +105,9 @@ public:
     MOCK_METHOD(bool, hasDisplayIdleTimerCapability, (), (const override));
     MOCK_METHOD(hal::Error, getPhysicalDisplayOrientation, (Hwc2::AidlTransform *),
                 (const override));
+    MOCK_METHOD(hal::Error, getOverlaySupport,
+                (aidl::android::hardware::graphics::composer3::OverlayProperties *),
+                (const override));
 };
 
 class Layer : public HWC2::Layer {
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockIPowerHintSession.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockIPowerHintSession.h
index 439f6f4e75..f4ded216cb 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockIPowerHintSession.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockIPowerHintSession.h
@@ -23,6 +23,7 @@
 
 using android::binder::Status;
 using android::hardware::power::IPowerHintSession;
+using android::hardware::power::SessionHint;
 
 using namespace android::hardware::power;
 
@@ -40,6 +41,8 @@ public:
     MOCK_METHOD(std::string, getInterfaceHash, (), (override));
     MOCK_METHOD(Status, updateTargetWorkDuration, (int64_t), (override));
     MOCK_METHOD(Status, reportActualWorkDuration, (const ::std::vector<WorkDuration>&), (override));
+    MOCK_METHOD(Status, sendHint, (SessionHint), (override));
+    MOCK_METHOD(Status, setThreads, (const ::std::vector<int32_t>&), (override));
 };
 
 } // namespace android::Hwc2::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
index aede250db5..7fc625c4b6 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
@@ -32,11 +32,11 @@ public:
     MOCK_METHOD(void, setExpensiveRenderingExpected, (DisplayId displayId, bool expected),
                 (override));
     MOCK_METHOD(bool, isUsingExpensiveRendering, (), (override));
-    MOCK_METHOD(void, notifyDisplayUpdateImminent, (), (override));
+    MOCK_METHOD(void, notifyDisplayUpdateImminentAndCpuReset, (), (override));
     MOCK_METHOD(bool, usePowerHintSession, (), (override));
     MOCK_METHOD(bool, supportsPowerHintSession, (), (override));
     MOCK_METHOD(bool, isPowerHintSessionRunning, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
     MOCK_METHOD(void, sendActualWorkDuration, (), (override));
     MOCK_METHOD(void, sendPredictedWorkDuration, (), (override));
     MOCK_METHOD(void, enablePowerHint, (bool enabled), (override));
@@ -44,25 +44,24 @@ public:
     MOCK_METHOD(void, setGpuFenceTime,
                 (DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime), (override));
     MOCK_METHOD(void, setHwcValidateTiming,
-                (DisplayId displayId, nsecs_t valiateStartTime, nsecs_t validateEndTime),
+                (DisplayId displayId, TimePoint validateStartTime, TimePoint validateEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentTiming,
-                (DisplayId displayId, nsecs_t presentStartTime, nsecs_t presentEndTime),
+                (DisplayId displayId, TimePoint presentStartTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setSkippedValidate, (DisplayId displayId, bool skipped), (override));
     MOCK_METHOD(void, setRequiresClientComposition,
                 (DisplayId displayId, bool requiresClientComposition), (override));
-    MOCK_METHOD(void, setExpectedPresentTime, (nsecs_t expectedPresentTime), (override));
-    MOCK_METHOD(void, setSfPresentTiming, (nsecs_t presentFenceTime, nsecs_t presentEndTime),
+    MOCK_METHOD(void, setExpectedPresentTime, (TimePoint expectedPresentTime), (override));
+    MOCK_METHOD(void, setSfPresentTiming, (TimePoint presentFenceTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentDelayedTime,
-                (DisplayId displayId,
-                 std::chrono::steady_clock::time_point earliestFrameStartTime));
-    MOCK_METHOD(void, setFrameDelay, (nsecs_t frameDelayDuration), (override));
-    MOCK_METHOD(void, setCommitStart, (nsecs_t commitStartTime), (override));
-    MOCK_METHOD(void, setCompositeEnd, (nsecs_t compositeEndtime), (override));
+                (DisplayId displayId, TimePoint earliestFrameStartTime));
+    MOCK_METHOD(void, setFrameDelay, (Duration frameDelayDuration), (override));
+    MOCK_METHOD(void, setCommitStart, (TimePoint commitStartTime), (override));
+    MOCK_METHOD(void, setCompositeEnd, (TimePoint compositeEndTime), (override));
     MOCK_METHOD(void, setDisplays, (std::vector<DisplayId> & displayIds), (override));
-    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (Duration targetDuration), (override));
 };
 
 } // namespace android::Hwc2::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockDisplayModeSpecs.h b/services/surfaceflinger/tests/unittests/mock/MockDisplayModeSpecs.h
new file mode 100644
index 0000000000..a71e82cc75
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/mock/MockDisplayModeSpecs.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/gui/DisplayModeSpecs.h>
+
+namespace android::mock {
+
+inline gui::DisplayModeSpecs createDisplayModeSpecs(int32_t defaultMode, bool allowGroupSwitching,
+                                                    float minFps, float maxFps) {
+    gui::DisplayModeSpecs specs;
+    specs.defaultMode = defaultMode;
+    specs.allowGroupSwitching = allowGroupSwitching;
+    specs.primaryRanges.physical.min = minFps;
+    specs.primaryRanges.physical.max = maxFps;
+    specs.primaryRanges.render = specs.primaryRanges.physical;
+    specs.appRequestRanges = specs.primaryRanges;
+    return specs;
+}
+
+} // namespace android::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
index c5ca86a651..f8567bd636 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
@@ -24,16 +24,17 @@ namespace android::mock {
 
 class EventThread : public android::EventThread {
 public:
+    static constexpr auto kCallingUid = static_cast<uid_t>(0);
+
     EventThread();
     ~EventThread() override;
 
     MOCK_CONST_METHOD2(createEventConnection,
-                       sp<EventThreadConnection>(ResyncCallback,
-                                                 ISurfaceComposer::EventRegistrationFlags));
+                       sp<EventThreadConnection>(ResyncCallback, EventRegistrationFlags));
     MOCK_METHOD0(onScreenReleased, void());
     MOCK_METHOD0(onScreenAcquired, void());
     MOCK_METHOD2(onHotplugReceived, void(PhysicalDisplayId, bool));
-    MOCK_METHOD1(onModeChanged, void(DisplayModePtr));
+    MOCK_METHOD1(onModeChanged, void(const scheduler::FrameRateMode &));
     MOCK_METHOD2(onFrameRateOverridesChanged,
                  void(PhysicalDisplayId, std::vector<FrameRateOverride>));
     MOCK_CONST_METHOD1(dump, void(std::string&));
diff --git a/services/surfaceflinger/tests/unittests/mock/MockFrameRateMode.h b/services/surfaceflinger/tests/unittests/mock/MockFrameRateMode.h
new file mode 100644
index 0000000000..ef9cd9bc43
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/mock/MockFrameRateMode.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <scheduler/FrameRateMode.h>
+
+// Use a C style macro to keep the line numbers printed in gtest
+#define EXPECT_FRAME_RATE_MODE(modePtr, fps, mode) \
+    EXPECT_EQ((scheduler::FrameRateMode{(fps), (modePtr)}), (mode))
diff --git a/services/surfaceflinger/tests/unittests/mock/MockLayer.h b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
index 0840a2f77c..0d94f4c644 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockLayer.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
@@ -18,14 +18,15 @@
 
 #include <gmock/gmock.h>
 
-#include "Layer.h"
-
 namespace android::mock {
 
 class MockLayer : public Layer {
 public:
     MockLayer(SurfaceFlinger* flinger, std::string name)
-          : Layer(LayerCreationArgs(flinger, nullptr, std::move(name), 0, {})) {}
+          : Layer(LayerCreationArgs(flinger, nullptr, std::move(name), 0, {})) {
+        EXPECT_CALL(*this, getDefaultFrameRateCompatibility())
+                .WillOnce(testing::Return(scheduler::LayerInfo::FrameRateCompatibility::Default));
+    }
     explicit MockLayer(SurfaceFlinger* flinger) : MockLayer(flinger, "TestLayer") {}
 
     MOCK_CONST_METHOD0(getType, const char*());
@@ -33,6 +34,8 @@ public:
     MOCK_CONST_METHOD0(isVisible, bool());
     MOCK_METHOD0(createClone, sp<Layer>());
     MOCK_CONST_METHOD0(getFrameRateForLayerTree, FrameRate());
+    MOCK_CONST_METHOD0(getDefaultFrameRateCompatibility,
+                       scheduler::LayerInfo::FrameRateCompatibility());
     MOCK_CONST_METHOD0(getOwnerUid, uid_t());
     MOCK_CONST_METHOD0(getDataSpace, ui::Dataspace());
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/MockSchedulerCallback.h b/services/surfaceflinger/tests/unittests/mock/MockSchedulerCallback.h
index 52675869fa..7d4b159e5e 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockSchedulerCallback.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockSchedulerCallback.h
@@ -24,14 +24,14 @@ namespace android::scheduler::mock {
 
 struct SchedulerCallback final : ISchedulerCallback {
     MOCK_METHOD(void, setVsyncEnabled, (bool), (override));
-    MOCK_METHOD(void, requestDisplayMode, (DisplayModePtr, DisplayModeEvent), (override));
+    MOCK_METHOD(void, requestDisplayModes, (std::vector<display::DisplayModeRequest>), (override));
     MOCK_METHOD(void, kernelTimerChanged, (bool), (override));
     MOCK_METHOD(void, triggerOnFrameRateOverridesChanged, (), (override));
 };
 
 struct NoOpSchedulerCallback final : ISchedulerCallback {
     void setVsyncEnabled(bool) override {}
-    void requestDisplayMode(DisplayModePtr, DisplayModeEvent) override {}
+    void requestDisplayModes(std::vector<display::DisplayModeRequest>) override {}
     void kernelTimerChanged(bool) override {}
     void triggerOnFrameRateOverridesChanged() override {}
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.cpp b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.cpp
deleted file mode 100644
index 0a0e7b5861..0000000000
--- a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#include "mock/MockSurfaceInterceptor.h"
-
-namespace android::mock {
-
-// Explicit default instantiation is recommended.
-SurfaceInterceptor::SurfaceInterceptor() = default;
-SurfaceInterceptor::~SurfaceInterceptor() = default;
-
-} // namespace android::mock
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
deleted file mode 100644
index b085027397..0000000000
--- a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <gmock/gmock.h>
-
-#include "SurfaceInterceptor.h"
-
-namespace android::mock {
-
-class SurfaceInterceptor : public android::SurfaceInterceptor {
-public:
-    SurfaceInterceptor();
-    ~SurfaceInterceptor() override;
-
-    MOCK_METHOD2(enable,
-                 void(const SortedVector<sp<Layer>>&,
-                      const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>&));
-    MOCK_METHOD0(disable, void());
-    MOCK_METHOD0(isEnabled, bool());
-    MOCK_METHOD1(addTransactionTraceListener, void(const sp<gui::ITransactionTraceListener>&));
-    MOCK_METHOD1(binderDied, void(const wp<IBinder>&));
-    MOCK_METHOD7(saveTransaction,
-                 void(const Vector<ComposerState>&,
-                      const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>&,
-                      const Vector<DisplayState>&, uint32_t, int, int, uint64_t));
-    MOCK_METHOD1(saveSurfaceCreation, void(const sp<const Layer>&));
-    MOCK_METHOD1(saveSurfaceDeletion, void(const sp<const Layer>&));
-    MOCK_METHOD4(saveBufferUpdate, void(int32_t, uint32_t, uint32_t, uint64_t));
-    MOCK_METHOD1(saveDisplayCreation, void(const DisplayDeviceState&));
-    MOCK_METHOD1(saveDisplayDeletion, void(int32_t));
-    MOCK_METHOD2(savePowerModeUpdate, void(int32_t, int32_t));
-    MOCK_METHOD1(saveVSyncEvent, void(nsecs_t));
-};
-
-} // namespace android::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
index 0dee800558..86fbadc0f2 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
@@ -27,7 +27,7 @@ public:
     TimeStats();
     ~TimeStats() override;
 
-    MOCK_METHOD2(onPullAtom, bool(const int, std::string*));
+    MOCK_METHOD2(onPullAtom, bool(const int, std::vector<uint8_t>*));
     MOCK_METHOD3(parseArgs, void(bool, const Vector<String16>&, std::string&));
     MOCK_METHOD0(isEnabled, bool());
     MOCK_METHOD0(miniDump, std::string());
diff --git a/services/surfaceflinger/tests/unittests/mock/MockVSyncTracker.h b/services/surfaceflinger/tests/unittests/mock/MockVSyncTracker.h
index 5b0c1f38be..6893154259 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockVSyncTracker.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockVSyncTracker.h
@@ -34,6 +34,7 @@ public:
     MOCK_METHOD0(resetModel, void());
     MOCK_CONST_METHOD0(needsMoreSamples, bool());
     MOCK_CONST_METHOD2(isVSyncInPhase, bool(nsecs_t, Fps));
+    MOCK_METHOD(void, setDivisor, (unsigned), (override));
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
diff --git a/services/surfaceflinger/tests/utils/ColorUtils.h b/services/surfaceflinger/tests/utils/ColorUtils.h
index 07916b60a7..38c422a26d 100644
--- a/services/surfaceflinger/tests/utils/ColorUtils.h
+++ b/services/surfaceflinger/tests/utils/ColorUtils.h
@@ -33,6 +33,10 @@ struct Color {
     static const Color WHITE;
     static const Color BLACK;
     static const Color TRANSPARENT;
+
+    half3 toHalf3() { return half3{r / 255.0f, g / 255.0f, b / 255.0f}; }
+
+    half4 toHalf4() { return half4{r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f}; }
 };
 
 const Color Color::RED{255, 0, 0, 255};
@@ -81,6 +85,14 @@ public:
         }
         color = ret;
     }
+
+    static half3 toHalf3(const Color& color) {
+        return half3{color.r / 255.0f, color.g / 255.0f, color.b / 255.0f};
+    }
+
+    static half4 toHalf4(const Color& color) {
+        return half4{color.r / 255.0f, color.g / 255.0f, color.b / 255.0f, color.a / 255.0f};
+    }
 };
 } // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/utils/ScreenshotUtils.h b/services/surfaceflinger/tests/utils/ScreenshotUtils.h
index f879430db0..f297da5511 100644
--- a/services/surfaceflinger/tests/utils/ScreenshotUtils.h
+++ b/services/surfaceflinger/tests/utils/ScreenshotUtils.h
@@ -15,8 +15,10 @@
  */
 #pragma once
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/SyncScreenCaptureListener.h>
 #include <private/gui/ComposerServiceAIDL.h>
+#include <ui/FenceResult.h>
 #include <ui/Rect.h>
 #include <utils/String8.h>
 #include <functional>
@@ -24,6 +26,8 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
+
 namespace {
 
 // A ScreenCapture is a screenshot from SurfaceFlinger that can be used to check
@@ -36,18 +40,22 @@ public:
         SurfaceComposerClient::Transaction().apply(true);
 
         captureArgs.dataspace = ui::Dataspace::V0_SRGB;
-        const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
+        const sp<SyncScreenCaptureListener> captureListener = sp<SyncScreenCaptureListener>::make();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     static void captureScreen(std::unique_ptr<ScreenCapture>* sc) {
-        captureScreen(sc, SurfaceComposerClient::getInternalDisplayToken());
+        const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        // TODO(b/248317436): extend to cover all displays for multi-display devices
+        const auto display =
+                ids.empty() ? nullptr : SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
+        captureScreen(sc, display);
     }
 
     static void captureScreen(std::unique_ptr<ScreenCapture>* sc, sp<IBinder> displayToken) {
@@ -70,13 +78,14 @@ public:
         SurfaceComposerClient::Transaction().apply(true);
 
         captureArgs.dataspace = ui::Dataspace::V0_SRGB;
-        const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
+        const sp<SyncScreenCaptureListener> captureListener = sp<SyncScreenCaptureListener>::make();
         binder::Status status = sf->captureLayers(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     static void captureLayers(std::unique_ptr<ScreenCapture>* sc, LayerCaptureArgs& captureArgs) {
diff --git a/services/surfaceflinger/tests/vsync/vsync.cpp b/services/surfaceflinger/tests/vsync/vsync.cpp
index 667dfb92d5..8b4a6be1bf 100644
--- a/services/surfaceflinger/tests/vsync/vsync.cpp
+++ b/services/surfaceflinger/tests/vsync/vsync.cpp
@@ -18,7 +18,13 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
+
 #include <gui/DisplayEventReceiver.h>
 #include <utils/Looper.h>
 
@@ -55,8 +61,7 @@ int main(int /*argc*/, char** /*argv*/)
 {
     DisplayEventReceiver myDisplayEvent;
 
-
-    sp<Looper> loop = new Looper(false);
+    sp<Looper> loop = sp<Looper>::make(false);
     loop->addFd(myDisplayEvent.getFd(), 0, ALOOPER_EVENT_INPUT, receiver,
             &myDisplayEvent);
 
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index 2e22c36f35..c7284ce52a 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -243,6 +243,11 @@ enum { MAX_TIMING_INFOS = 10 };
 // syncronous requests to Surface Flinger):
 enum { MIN_NUM_FRAMES_AGO = 5 };
 
+bool IsSharedPresentMode(VkPresentModeKHR mode) {
+    return mode == VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR ||
+        mode == VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR;
+}
+
 struct Swapchain {
     Swapchain(Surface& surface_,
               uint32_t num_images_,
@@ -254,9 +259,7 @@ struct Swapchain {
           pre_transform(pre_transform_),
           frame_timestamps_enabled(false),
           acquire_next_image_timeout(-1),
-          shared(present_mode == VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR ||
-                 present_mode ==
-                     VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR) {
+          shared(IsSharedPresentMode(present_mode)) {
         ANativeWindow* window = surface.window.get();
         native_window_get_refresh_cycle_duration(
             window,
@@ -754,7 +757,6 @@ VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev,
 
     const InstanceData& instance_data = GetData(pdev);
 
-    bool wide_color_support = false;
     uint64_t consumer_usage = 0;
     bool colorspace_ext =
         instance_data.hook_extensions.test(ProcHook::EXT_swapchain_colorspace);
@@ -765,27 +767,15 @@ VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev,
         if (!surfaceless_enabled) {
             return VK_ERROR_SURFACE_LOST_KHR;
         }
-        // Support for VK_GOOGLE_surfaceless_query.  The EGL loader
-        // unconditionally supports wide color formats, even if they will cause
-        // a SurfaceFlinger fallback.  Based on that, wide_color_support will be
-        // set to true in this case.
-        wide_color_support = true;
+        // Support for VK_GOOGLE_surfaceless_query.
 
         // TODO(b/203826952): research proper value; temporarily use the
         // values seen on Pixel
         consumer_usage = AHARDWAREBUFFER_USAGE_COMPOSER_OVERLAY;
     } else {
         Surface& surface = *SurfaceFromHandle(surface_handle);
-        int err = native_window_get_wide_color_support(surface.window.get(),
-                                                       &wide_color_support);
-        if (err) {
-            return VK_ERROR_SURFACE_LOST_KHR;
-        }
-        ALOGV("wide_color_support is: %d", wide_color_support);
-
         consumer_usage = surface.consumer_usage;
     }
-    wide_color_support = wide_color_support && colorspace_ext;
 
     AHardwareBuffer_Desc desc = {};
     desc.width = 1;
@@ -807,9 +797,6 @@ VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev,
             VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_PASS_THROUGH_EXT});
         all_formats.emplace_back(VkSurfaceFormatKHR{
             VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_BT709_LINEAR_EXT});
-    }
-
-    if (wide_color_support) {
         all_formats.emplace_back(VkSurfaceFormatKHR{
             VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT});
         all_formats.emplace_back(VkSurfaceFormatKHR{
@@ -839,8 +826,6 @@ VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev,
             all_formats.emplace_back(
                 VkSurfaceFormatKHR{VK_FORMAT_R16G16B16A16_SFLOAT,
                                    VK_COLOR_SPACE_PASS_THROUGH_EXT});
-        }
-        if (wide_color_support) {
             all_formats.emplace_back(
                 VkSurfaceFormatKHR{VK_FORMAT_R16G16B16A16_SFLOAT,
                                    VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT});
@@ -859,8 +844,6 @@ VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev,
             all_formats.emplace_back(
                 VkSurfaceFormatKHR{VK_FORMAT_A2B10G10R10_UNORM_PACK32,
                                    VK_COLOR_SPACE_PASS_THROUGH_EXT});
-        }
-        if (wide_color_support) {
             all_formats.emplace_back(
                 VkSurfaceFormatKHR{VK_FORMAT_A2B10G10R10_UNORM_PACK32,
                                    VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT});
@@ -1816,6 +1799,173 @@ static VkResult WorstPresentResult(VkResult a, VkResult b) {
     return a != VK_SUCCESS ? a : b;
 }
 
+// KHR_incremental_present aspect of QueuePresentKHR
+static void SetSwapchainSurfaceDamage(ANativeWindow *window, const VkPresentRegionKHR *pRegion) {
+    std::vector<android_native_rect_t> rects(pRegion->rectangleCount);
+    for (auto i = 0u; i < pRegion->rectangleCount; i++) {
+        auto const& rect = pRegion->pRectangles[i];
+        if (rect.layer > 0) {
+            ALOGV("vkQueuePresentKHR ignoring invalid layer (%u); using layer 0 instead",
+                rect.layer);
+        }
+
+        rects[i].left = rect.offset.x;
+        rects[i].bottom = rect.offset.y;
+        rects[i].right = rect.offset.x + rect.extent.width;
+        rects[i].top = rect.offset.y + rect.extent.height;
+    }
+    native_window_set_surface_damage(window, rects.data(), rects.size());
+}
+
+// GOOGLE_display_timing aspect of QueuePresentKHR
+static void SetSwapchainFrameTimestamp(Swapchain &swapchain, const VkPresentTimeGOOGLE *pTime) {
+    ANativeWindow *window = swapchain.surface.window.get();
+
+    // We don't know whether the app will actually use GOOGLE_display_timing
+    // with a particular swapchain until QueuePresent; enable it on the BQ
+    // now if needed
+    if (!swapchain.frame_timestamps_enabled) {
+        ALOGV("Calling native_window_enable_frame_timestamps(true)");
+        native_window_enable_frame_timestamps(window, true);
+        swapchain.frame_timestamps_enabled = true;
+    }
+
+    // Record the nativeFrameId so it can be later correlated to
+    // this present.
+    uint64_t nativeFrameId = 0;
+    int err = native_window_get_next_frame_id(
+            window, &nativeFrameId);
+    if (err != android::OK) {
+        ALOGE("Failed to get next native frame ID.");
+    }
+
+    // Add a new timing record with the user's presentID and
+    // the nativeFrameId.
+    swapchain.timing.emplace_back(pTime, nativeFrameId);
+    if (swapchain.timing.size() > MAX_TIMING_INFOS) {
+        swapchain.timing.erase(
+            swapchain.timing.begin(),
+            swapchain.timing.begin() + swapchain.timing.size() - MAX_TIMING_INFOS);
+    }
+    if (pTime->desiredPresentTime) {
+        ALOGV(
+            "Calling native_window_set_buffers_timestamp(%" PRId64 ")",
+            pTime->desiredPresentTime);
+        native_window_set_buffers_timestamp(
+            window,
+            static_cast<int64_t>(pTime->desiredPresentTime));
+    }
+}
+
+static VkResult PresentOneSwapchain(
+        VkQueue queue,
+        Swapchain& swapchain,
+        uint32_t imageIndex,
+        const VkPresentRegionKHR *pRegion,
+        const VkPresentTimeGOOGLE *pTime,
+        uint32_t waitSemaphoreCount,
+        const VkSemaphore *pWaitSemaphores) {
+
+    VkDevice device = GetData(queue).driver_device;
+    const auto& dispatch = GetData(queue).driver;
+
+    Swapchain::Image& img = swapchain.images[imageIndex];
+    VkResult swapchain_result = VK_SUCCESS;
+    VkResult result;
+    int err;
+
+    // XXX: long standing issue: QueueSignalReleaseImageANDROID consumes the
+    // wait semaphores, so this doesn't actually work for the multiple swapchain
+    // case.
+    int fence = -1;
+    result = dispatch.QueueSignalReleaseImageANDROID(
+        queue, waitSemaphoreCount,
+        pWaitSemaphores, img.image, &fence);
+    if (result != VK_SUCCESS) {
+        ALOGE("QueueSignalReleaseImageANDROID failed: %d", result);
+        swapchain_result = result;
+    }
+    if (img.release_fence >= 0)
+        close(img.release_fence);
+    img.release_fence = fence < 0 ? -1 : dup(fence);
+
+    if (swapchain.surface.swapchain_handle == HandleFromSwapchain(&swapchain)) {
+        ANativeWindow* window = swapchain.surface.window.get();
+        if (swapchain_result == VK_SUCCESS) {
+
+            if (pRegion) {
+                SetSwapchainSurfaceDamage(window, pRegion);
+            }
+            if (pTime) {
+                SetSwapchainFrameTimestamp(swapchain, pTime);
+            }
+
+            err = window->queueBuffer(window, img.buffer.get(), fence);
+            // queueBuffer always closes fence, even on error
+            if (err != android::OK) {
+                ALOGE("queueBuffer failed: %s (%d)", strerror(-err), err);
+                swapchain_result = WorstPresentResult(
+                    swapchain_result, VK_ERROR_SURFACE_LOST_KHR);
+            } else {
+                if (img.dequeue_fence >= 0) {
+                    close(img.dequeue_fence);
+                    img.dequeue_fence = -1;
+                }
+                img.dequeued = false;
+            }
+
+            // If the swapchain is in shared mode, immediately dequeue the
+            // buffer so it can be presented again without an intervening
+            // call to AcquireNextImageKHR. We expect to get the same buffer
+            // back from every call to dequeueBuffer in this mode.
+            if (swapchain.shared && swapchain_result == VK_SUCCESS) {
+                ANativeWindowBuffer* buffer;
+                int fence_fd;
+                err = window->dequeueBuffer(window, &buffer, &fence_fd);
+                if (err != android::OK) {
+                    ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), err);
+                    swapchain_result = WorstPresentResult(swapchain_result,
+                        VK_ERROR_SURFACE_LOST_KHR);
+                } else if (img.buffer != buffer) {
+                    ALOGE("got wrong image back for shared swapchain");
+                    swapchain_result = WorstPresentResult(swapchain_result,
+                        VK_ERROR_SURFACE_LOST_KHR);
+                } else {
+                    img.dequeue_fence = fence_fd;
+                    img.dequeued = true;
+                }
+            }
+        }
+        if (swapchain_result != VK_SUCCESS) {
+            OrphanSwapchain(device, &swapchain);
+        }
+        // Android will only return VK_SUBOPTIMAL_KHR for vkQueuePresentKHR,
+        // and only when the window's transform/rotation changes.  Extent
+        // changes will not cause VK_SUBOPTIMAL_KHR because of the
+        // application issues that were caused when the following transform
+        // change was added.
+        int window_transform_hint;
+        err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT,
+                            &window_transform_hint);
+        if (err != android::OK) {
+            ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)",
+                  strerror(-err), err);
+            swapchain_result = WorstPresentResult(
+                swapchain_result, VK_ERROR_SURFACE_LOST_KHR);
+        }
+        if (swapchain.pre_transform != window_transform_hint) {
+            swapchain_result =
+                WorstPresentResult(swapchain_result, VK_SUBOPTIMAL_KHR);
+        }
+    } else {
+        ReleaseSwapchainImage(device, swapchain.shared, nullptr, fence,
+                              img, true);
+        swapchain_result = VK_ERROR_OUT_OF_DATE_KHR;
+    }
+
+    return swapchain_result;
+}
+
 VKAPI_ATTR
 VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) {
     ATRACE_CALL();
@@ -1824,8 +1974,6 @@ VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) {
              "vkQueuePresentKHR: invalid VkPresentInfoKHR structure type %d",
              present_info->sType);
 
-    VkDevice device = GetData(queue).driver_device;
-    const auto& dispatch = GetData(queue).driver;
     VkResult final_result = VK_SUCCESS;
 
     // Look at the pNext chain for supported extension structs:
@@ -1861,170 +2009,19 @@ VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) {
         (present_regions) ? present_regions->pRegions : nullptr;
     const VkPresentTimeGOOGLE* times =
         (present_times) ? present_times->pTimes : nullptr;
-    const VkAllocationCallbacks* allocator = &GetData(device).allocator;
-    android_native_rect_t* rects = nullptr;
-    uint32_t nrects = 0;
 
     for (uint32_t sc = 0; sc < present_info->swapchainCount; sc++) {
         Swapchain& swapchain =
             *SwapchainFromHandle(present_info->pSwapchains[sc]);
-        uint32_t image_idx = present_info->pImageIndices[sc];
-        Swapchain::Image& img = swapchain.images[image_idx];
-        const VkPresentRegionKHR* region =
-            (regions && !swapchain.mailbox_mode) ? &regions[sc] : nullptr;
-        const VkPresentTimeGOOGLE* time = (times) ? &times[sc] : nullptr;
-        VkResult swapchain_result = VK_SUCCESS;
-        VkResult result;
-        int err;
-
-        int fence = -1;
-        result = dispatch.QueueSignalReleaseImageANDROID(
-            queue, present_info->waitSemaphoreCount,
-            present_info->pWaitSemaphores, img.image, &fence);
-        if (result != VK_SUCCESS) {
-            ALOGE("QueueSignalReleaseImageANDROID failed: %d", result);
-            swapchain_result = result;
-        }
-        if (img.release_fence >= 0)
-            close(img.release_fence);
-        img.release_fence = fence < 0 ? -1 : dup(fence);
-
-        if (swapchain.surface.swapchain_handle ==
-            present_info->pSwapchains[sc]) {
-            ANativeWindow* window = swapchain.surface.window.get();
-            if (swapchain_result == VK_SUCCESS) {
-                if (region) {
-                    // Process the incremental-present hint for this swapchain:
-                    uint32_t rcount = region->rectangleCount;
-                    if (rcount > nrects) {
-                        android_native_rect_t* new_rects =
-                            static_cast<android_native_rect_t*>(
-                                allocator->pfnReallocation(
-                                    allocator->pUserData, rects,
-                                    sizeof(android_native_rect_t) * rcount,
-                                    alignof(android_native_rect_t),
-                                    VK_SYSTEM_ALLOCATION_SCOPE_COMMAND));
-                        if (new_rects) {
-                            rects = new_rects;
-                            nrects = rcount;
-                        } else {
-                            rcount = 0;  // Ignore the hint for this swapchain
-                        }
-                    }
-                    for (uint32_t r = 0; r < rcount; ++r) {
-                        if (region->pRectangles[r].layer > 0) {
-                            ALOGV(
-                                "vkQueuePresentKHR ignoring invalid layer "
-                                "(%u); using layer 0 instead",
-                                region->pRectangles[r].layer);
-                        }
-                        int x = region->pRectangles[r].offset.x;
-                        int y = region->pRectangles[r].offset.y;
-                        int width = static_cast<int>(
-                            region->pRectangles[r].extent.width);
-                        int height = static_cast<int>(
-                            region->pRectangles[r].extent.height);
-                        android_native_rect_t* cur_rect = &rects[r];
-                        cur_rect->left = x;
-                        cur_rect->top = y + height;
-                        cur_rect->right = x + width;
-                        cur_rect->bottom = y;
-                    }
-                    native_window_set_surface_damage(window, rects, rcount);
-                }
-                if (time) {
-                    if (!swapchain.frame_timestamps_enabled) {
-                        ALOGV(
-                            "Calling "
-                            "native_window_enable_frame_timestamps(true)");
-                        native_window_enable_frame_timestamps(window, true);
-                        swapchain.frame_timestamps_enabled = true;
-                    }
-
-                    // Record the nativeFrameId so it can be later correlated to
-                    // this present.
-                    uint64_t nativeFrameId = 0;
-                    err = native_window_get_next_frame_id(
-                            window, &nativeFrameId);
-                    if (err != android::OK) {
-                        ALOGE("Failed to get next native frame ID.");
-                    }
 
-                    // Add a new timing record with the user's presentID and
-                    // the nativeFrameId.
-                    swapchain.timing.emplace_back(time, nativeFrameId);
-                    while (swapchain.timing.size() > MAX_TIMING_INFOS) {
-                        swapchain.timing.erase(swapchain.timing.begin());
-                    }
-                    if (time->desiredPresentTime) {
-                        // Set the desiredPresentTime:
-                        ALOGV(
-                            "Calling "
-                            "native_window_set_buffers_timestamp(%" PRId64 ")",
-                            time->desiredPresentTime);
-                        native_window_set_buffers_timestamp(
-                            window,
-                            static_cast<int64_t>(time->desiredPresentTime));
-                    }
-                }
-
-                err = window->queueBuffer(window, img.buffer.get(), fence);
-                // queueBuffer always closes fence, even on error
-                if (err != android::OK) {
-                    ALOGE("queueBuffer failed: %s (%d)", strerror(-err), err);
-                    swapchain_result = WorstPresentResult(
-                        swapchain_result, VK_ERROR_SURFACE_LOST_KHR);
-                } else {
-                    if (img.dequeue_fence >= 0) {
-                        close(img.dequeue_fence);
-                        img.dequeue_fence = -1;
-                    }
-                    img.dequeued = false;
-                }
-
-                // If the swapchain is in shared mode, immediately dequeue the
-                // buffer so it can be presented again without an intervening
-                // call to AcquireNextImageKHR. We expect to get the same buffer
-                // back from every call to dequeueBuffer in this mode.
-                if (swapchain.shared && swapchain_result == VK_SUCCESS) {
-                    ANativeWindowBuffer* buffer;
-                    int fence_fd;
-                    err = window->dequeueBuffer(window, &buffer, &fence_fd);
-                    if (err != android::OK) {
-                        ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), err);
-                        swapchain_result = WorstPresentResult(swapchain_result,
-                            VK_ERROR_SURFACE_LOST_KHR);
-                    } else if (img.buffer != buffer) {
-                        ALOGE("got wrong image back for shared swapchain");
-                        swapchain_result = WorstPresentResult(swapchain_result,
-                            VK_ERROR_SURFACE_LOST_KHR);
-                    } else {
-                        img.dequeue_fence = fence_fd;
-                        img.dequeued = true;
-                    }
-                }
-            }
-            if (swapchain_result != VK_SUCCESS) {
-                OrphanSwapchain(device, &swapchain);
-            }
-            int window_transform_hint;
-            err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT,
-                                &window_transform_hint);
-            if (err != android::OK) {
-                ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)",
-                      strerror(-err), err);
-                swapchain_result = WorstPresentResult(
-                    swapchain_result, VK_ERROR_SURFACE_LOST_KHR);
-            }
-            if (swapchain.pre_transform != window_transform_hint) {
-                swapchain_result =
-                    WorstPresentResult(swapchain_result, VK_SUBOPTIMAL_KHR);
-            }
-        } else {
-            ReleaseSwapchainImage(device, swapchain.shared, nullptr, fence,
-                                  img, true);
-            swapchain_result = VK_ERROR_OUT_OF_DATE_KHR;
-        }
+        VkResult swapchain_result = PresentOneSwapchain(
+            queue,
+            swapchain,
+            present_info->pImageIndices[sc],
+            (regions && !swapchain.mailbox_mode) ? &regions[sc] : nullptr,
+            times ? &times[sc] : nullptr,
+            present_info->waitSemaphoreCount,
+            present_info->pWaitSemaphores);
 
         if (present_info->pResults)
             present_info->pResults[sc] = swapchain_result;
@@ -2032,9 +2029,6 @@ VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) {
         if (swapchain_result != final_result)
             final_result = WorstPresentResult(final_result, swapchain_result);
     }
-    if (rects) {
-        allocator->pfnFree(allocator->pUserData, rects);
-    }
 
     return final_result;
 }