DisplayEventDispatcher: use eConfigChangedDispatch

In order to get DISPLAY_EVENT_CONFIG_CHANGED, eConfigChangedDispatch needs
to be used when creating DisplayEventDispatcher.

Bug: 131688378
Test: adb shell /data/nativetest64/libsurfaceflinger_unittest/libsurfaceflinger_unittest
Test: trigger config change and observe logcat
Change-Id: I0de8037ee5b024b7d9729750f582be919087be41

7 files changed, 40 insertions, 16 deletions

diff --git a/core/java/android/view/Choreographer.java b/core/java/android/view/Choreographer.java
index c64386e8db79..e95b5caa4fa0 100644
--- a/core/java/android/view/Choreographer.java
+++ b/core/java/android/view/Choreographer.java
@@ -16,6 +16,7 @@
 
 package android.view;
 
+import static android.view.DisplayEventReceiver.CONFIG_CHANGED_EVENT_SUPPRESS;
 import static android.view.DisplayEventReceiver.VSYNC_SOURCE_APP;
 import static android.view.DisplayEventReceiver.VSYNC_SOURCE_SURFACE_FLINGER;
 
@@ -910,7 +911,7 @@ public final class Choreographer {
         private int mFrame;
 
         public FrameDisplayEventReceiver(Looper looper, int vsyncSource) {
-            super(looper, vsyncSource);
+            super(looper, vsyncSource, CONFIG_CHANGED_EVENT_SUPPRESS);
         }
 
         // TODO(b/116025192): physicalDisplayId is ignored because SF only emits VSYNC events for
diff --git a/core/java/android/view/DisplayEventReceiver.java b/core/java/android/view/DisplayEventReceiver.java
index 60daddd663d5..91acc4638c26 100644
--- a/core/java/android/view/DisplayEventReceiver.java
+++ b/core/java/android/view/DisplayEventReceiver.java
@@ -53,6 +53,20 @@ public abstract class DisplayEventReceiver {
      */
     public static final int VSYNC_SOURCE_SURFACE_FLINGER = 1;
 
+    /**
+     * Specifies to suppress config changed events from being generated from Surface Flinger.
+     * <p>
+     * Needs to be kept in sync with frameworks/native/include/gui/ISurfaceComposer.h
+     */
+    public static final int CONFIG_CHANGED_EVENT_SUPPRESS = 0;
+
+    /**
+     * Specifies to generate config changed events from Surface Flinger.
+     * <p>
+     * Needs to be kept in sync with frameworks/native/include/gui/ISurfaceComposer.h
+     */
+    public static final int CONFIG_CHANGED_EVENT_DISPATCH = 1;
+
     private static final String TAG = "DisplayEventReceiver";
 
     private final CloseGuard mCloseGuard = CloseGuard.get();
@@ -65,7 +79,7 @@ public abstract class DisplayEventReceiver {
     private MessageQueue mMessageQueue;
 
     private static native long nativeInit(WeakReference<DisplayEventReceiver> receiver,
-            MessageQueue messageQueue, int vsyncSource);
+            MessageQueue messageQueue, int vsyncSource, int configChanged);
     private static native void nativeDispose(long receiverPtr);
     @FastNative
     private static native void nativeScheduleVsync(long receiverPtr);
@@ -77,7 +91,7 @@ public abstract class DisplayEventReceiver {
      */
     @UnsupportedAppUsage
     public DisplayEventReceiver(Looper looper) {
-        this(looper, VSYNC_SOURCE_APP);
+        this(looper, VSYNC_SOURCE_APP, CONFIG_CHANGED_EVENT_SUPPRESS);
     }
 
     /**
@@ -85,15 +99,17 @@ public abstract class DisplayEventReceiver {
      *
      * @param looper The looper to use when invoking callbacks.
      * @param vsyncSource The source of the vsync tick. Must be on of the VSYNC_SOURCE_* values.
+     * @param configChanged Whether to dispatch config changed events. Must be one of the
+     * CONFIG_CHANGED_EVENT_* values.
      */
-    public DisplayEventReceiver(Looper looper, int vsyncSource) {
+    public DisplayEventReceiver(Looper looper, int vsyncSource, int configChanged) {
         if (looper == null) {
             throw new IllegalArgumentException("looper must not be null");
         }
 
         mMessageQueue = looper.getQueue();
         mReceiverPtr = nativeInit(new WeakReference<DisplayEventReceiver>(this), mMessageQueue,
-                vsyncSource);
+                vsyncSource, configChanged);
 
         mCloseGuard.open("dispose");
     }
diff --git a/core/jni/android_view_DisplayEventReceiver.cpp b/core/jni/android_view_DisplayEventReceiver.cpp
index 8d702d11d8fe..ba538a855f81 100644
--- a/core/jni/android_view_DisplayEventReceiver.cpp
+++ b/core/jni/android_view_DisplayEventReceiver.cpp
@@ -48,7 +48,8 @@ static struct {
 class NativeDisplayEventReceiver : public DisplayEventDispatcher {
 public:
     NativeDisplayEventReceiver(JNIEnv* env,
-            jobject receiverWeak, const sp<MessageQueue>& messageQueue, jint vsyncSource);
+            jobject receiverWeak, const sp<MessageQueue>& messageQueue, jint vsyncSource,
+            jint configChanged);
 
     void dispose();
 
@@ -68,9 +69,11 @@ private:
 
 
 NativeDisplayEventReceiver::NativeDisplayEventReceiver(JNIEnv* env,
-        jobject receiverWeak, const sp<MessageQueue>& messageQueue, jint vsyncSource) :
+        jobject receiverWeak, const sp<MessageQueue>& messageQueue, jint vsyncSource,
+        jint configChanged) :
         DisplayEventDispatcher(messageQueue->getLooper(),
-                static_cast<ISurfaceComposer::VsyncSource>(vsyncSource)),
+                static_cast<ISurfaceComposer::VsyncSource>(vsyncSource),
+                static_cast<ISurfaceComposer::ConfigChanged>(configChanged)),
         mReceiverWeakGlobal(env->NewGlobalRef(receiverWeak)),
         mMessageQueue(messageQueue) {
     ALOGV("receiver %p ~ Initializing display event receiver.", this);
@@ -136,7 +139,7 @@ void NativeDisplayEventReceiver::dispatchConfigChanged(nsecs_t timestamp,
 
 
 static jlong nativeInit(JNIEnv* env, jclass clazz, jobject receiverWeak,
-        jobject messageQueueObj, jint vsyncSource) {
+        jobject messageQueueObj, jint vsyncSource, jint configChanged) {
     sp<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, messageQueueObj);
     if (messageQueue == NULL) {
         jniThrowRuntimeException(env, "MessageQueue is not initialized.");
@@ -144,7 +147,7 @@ static jlong nativeInit(JNIEnv* env, jclass clazz, jobject receiverWeak,
     }
 
     sp<NativeDisplayEventReceiver> receiver = new NativeDisplayEventReceiver(env,
-            receiverWeak, messageQueue, vsyncSource);
+            receiverWeak, messageQueue, vsyncSource, configChanged);
     status_t status = receiver->initialize();
     if (status) {
         String8 message;
@@ -179,7 +182,7 @@ static void nativeScheduleVsync(JNIEnv* env, jclass clazz, jlong receiverPtr) {
 static const JNINativeMethod gMethods[] = {
     /* name, signature, funcPtr */
     { "nativeInit",
-            "(Ljava/lang/ref/WeakReference;Landroid/os/MessageQueue;I)J",
+            "(Ljava/lang/ref/WeakReference;Landroid/os/MessageQueue;II)J",
             (void*)nativeInit },
     { "nativeDispose",
             "(J)V",
diff --git a/libs/androidfw/DisplayEventDispatcher.cpp b/libs/androidfw/DisplayEventDispatcher.cpp
index 660614895603..d8a3f42690f4 100644
--- a/libs/androidfw/DisplayEventDispatcher.cpp
+++ b/libs/androidfw/DisplayEventDispatcher.cpp
@@ -34,8 +34,9 @@ namespace android {
 static const size_t EVENT_BUFFER_SIZE = 100;
 
 DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
-        ISurfaceComposer::VsyncSource vsyncSource) :
-        mLooper(looper), mReceiver(vsyncSource), mWaitingForVsync(false) {
+        ISurfaceComposer::VsyncSource vsyncSource,
+        ISurfaceComposer::ConfigChanged configChanged) :
+        mLooper(looper), mReceiver(vsyncSource, configChanged), mWaitingForVsync(false) {
     ALOGV("dispatcher %p ~ Initializing display event dispatcher.", this);
 }
 
diff --git a/libs/androidfw/include/androidfw/DisplayEventDispatcher.h b/libs/androidfw/include/androidfw/DisplayEventDispatcher.h
index 5381c0174cb0..8bc25202b3ab 100644
--- a/libs/androidfw/include/androidfw/DisplayEventDispatcher.h
+++ b/libs/androidfw/include/androidfw/DisplayEventDispatcher.h
@@ -23,7 +23,8 @@ namespace android {
 class DisplayEventDispatcher : public LooperCallback {
 public:
     explicit DisplayEventDispatcher(const sp<Looper>& looper,
-            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp);
+            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp,
+            ISurfaceComposer::ConfigChanged configChanged = ISurfaceComposer::eConfigChangedSuppress);
 
     status_t initialize();
     void dispose();
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 41cb8fdc66bd..71c5b53f727a 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -156,7 +156,9 @@ void RenderThread::initializeDisplayEventReceiver() {
     LOG_ALWAYS_FATAL_IF(mVsyncSource, "Initializing a second DisplayEventReceiver?");
 
     if (!Properties::isolatedProcess) {
-        auto receiver = std::make_unique<DisplayEventReceiver>();
+        auto receiver = std::make_unique<DisplayEventReceiver>(
+            ISurfaceComposer::eVsyncSourceApp,
+            ISurfaceComposer::eConfigChangedDispatch);
         status_t status = receiver->initCheck();
         LOG_ALWAYS_FATAL_IF(status != NO_ERROR,
                             "Initialization of DisplayEventReceiver "
diff --git a/services/core/java/com/android/server/display/LocalDisplayAdapter.java b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
index 85fbdf6d0182..b03dc3b2ae93 100644
--- a/services/core/java/com/android/server/display/LocalDisplayAdapter.java
+++ b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
@@ -856,7 +856,7 @@ final class LocalDisplayAdapter extends DisplayAdapter {
 
     private final class PhysicalDisplayEventReceiver extends DisplayEventReceiver {
         PhysicalDisplayEventReceiver(Looper looper) {
-            super(looper, VSYNC_SOURCE_APP);
+            super(looper, VSYNC_SOURCE_APP, CONFIG_CHANGED_EVENT_DISPATCH);
         }
 
         @Override