Merge "Merge Android R"

1 files changed, 898 insertions, 387 deletions

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 3e6ddedf48..03903f6d07 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -14,6 +14,10 @@
  * 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 "Layer"
@@ -22,11 +26,11 @@
 #include "Layer.h"
 
 #include <android-base/stringprintf.h>
+#include <android/native_window.h>
+#include <binder/IPCThreadState.h>
 #include <compositionengine/Display.h>
-#include <compositionengine/Layer.h>
 #include <compositionengine/LayerFECompositionState.h>
 #include <compositionengine/OutputLayer.h>
-#include <compositionengine/impl/LayerCompositionState.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <cutils/compiler.h>
 #include <cutils/native_handle.h>
@@ -53,10 +57,11 @@
 #include <sstream>
 
 #include "BufferLayer.h"
-#include "ColorLayer.h"
 #include "Colorizer.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWComposer.h"
+#include "EffectLayer.h"
+#include "FrameTracer/FrameTracer.h"
 #include "LayerProtoHelper.h"
 #include "LayerRejecter.h"
 #include "MonitoredProducer.h"
@@ -76,15 +81,11 @@ Layer::Layer(const LayerCreationArgs& args)
         mName(args.name),
         mClientRef(args.client),
         mWindowType(args.metadata.getInt32(METADATA_WINDOW_TYPE, 0)) {
-    mCurrentCrop.makeInvalid();
-
     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;
 
-    mTransactionName = String8("TX - ") + mName;
-
     mCurrentState.active_legacy.w = args.w;
     mCurrentState.active_legacy.h = args.h;
     mCurrentState.flags = layerFlags;
@@ -99,18 +100,31 @@ Layer::Layer(const LayerCreationArgs& args)
     mCurrentState.active.w = UINT32_MAX;
     mCurrentState.active.h = UINT32_MAX;
     mCurrentState.active.transform.set(0, 0);
+    mCurrentState.frameNumber = 0;
     mCurrentState.transform = 0;
     mCurrentState.transformToDisplayInverse = false;
     mCurrentState.crop.makeInvalid();
     mCurrentState.acquireFence = new Fence(-1);
     mCurrentState.dataspace = ui::Dataspace::UNKNOWN;
     mCurrentState.hdrMetadata.validTypes = 0;
-    mCurrentState.surfaceDamageRegion.clear();
+    mCurrentState.surfaceDamageRegion = Region::INVALID_REGION;
     mCurrentState.cornerRadius = 0.0f;
+    mCurrentState.backgroundBlurRadius = 0;
     mCurrentState.api = -1;
     mCurrentState.hasColorTransform = false;
     mCurrentState.colorSpaceAgnostic = false;
+    mCurrentState.frameRateSelectionPriority = PRIORITY_UNSET;
     mCurrentState.metadata = args.metadata;
+    mCurrentState.shadowRadius = 0.f;
+    mCurrentState.treeHasFrameRateVote = false;
+    mCurrentState.fixedTransformHint = ui::Transform::ROT_INVALID;
+
+    if (args.flags & ISurfaceComposerClient::eNoColorFill) {
+        // Set an invalid color so there is no color fill.
+        mCurrentState.color.r = -1.0_hf;
+        mCurrentState.color.g = -1.0_hf;
+        mCurrentState.color.b = -1.0_hf;
+    }
 
     // drawing state & current state are identical
     mDrawingState = mCurrentState;
@@ -120,9 +134,12 @@ Layer::Layer(const LayerCreationArgs& args)
     mFrameEventHistory.initializeCompositorTiming(compositorTiming);
     mFrameTracker.setDisplayRefreshPeriod(compositorTiming.interval);
 
-    mSchedulerLayerHandle = mFlinger->mScheduler->registerLayer(mName.c_str(), mWindowType);
+    mCallingPid = args.callingPid;
+    mCallingUid = args.callingUid;
+}
 
-    mFlinger->onLayerCreated();
+void Layer::onFirstRef() {
+    mFlinger->onLayerFirstRef(this);
 }
 
 Layer::~Layer() {
@@ -135,6 +152,20 @@ Layer::~Layer() {
     mFlinger->onLayerDestroyed(this);
 }
 
+LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,
+                                     uint32_t w, uint32_t h, uint32_t flags, LayerMetadata metadata)
+      : flinger(flinger),
+        client(std::move(client)),
+        name(std::move(name)),
+        w(w),
+        h(h),
+        flags(flags),
+        metadata(std::move(metadata)) {
+    IPCThreadState* ipc = IPCThreadState::self();
+    callingPid = ipc->getCallingPid();
+    callingUid = ipc->getCallingUid();
+}
+
 // ---------------------------------------------------------------------------
 // callbacks
 // ---------------------------------------------------------------------------
@@ -142,7 +173,7 @@ Layer::~Layer() {
 /*
  * onLayerDisplayed is only meaningful for BufferLayer, but, is called through
  * Layer.  So, the implementation is done in BufferLayer.  When called on a
- * ColorLayer object, it's essentially a NOP.
+ * EffectLayer object, it's essentially a NOP.
  */
 void Layer::onLayerDisplayed(const sp<Fence>& /*releaseFence*/) {}
 
@@ -198,13 +229,23 @@ void Layer::removeFromCurrentState() {
     mFlinger->markLayerPendingRemovalLocked(this);
 }
 
+sp<Layer> Layer::getRootLayer() {
+    sp<Layer> parent = getParent();
+    if (parent == nullptr) {
+        return this;
+    }
+    return parent->getRootLayer();
+}
+
 void Layer::onRemovedFromCurrentState() {
-    auto layersInTree = getLayersInTree(LayerVector::StateSet::Current);
+    // Use the root layer since we want to maintain the hierarchy for the entire subtree.
+    auto layersInTree = getRootLayer()->getLayersInTree(LayerVector::StateSet::Current);
     std::sort(layersInTree.begin(), layersInTree.end());
-    for (const auto& layer : layersInTree) {
+
+    traverse(LayerVector::StateSet::Current, [&](Layer* layer) {
         layer->removeFromCurrentState();
         layer->removeRelativeZ(layersInTree);
-    }
+    });
 }
 
 void Layer::addToCurrentState() {
@@ -219,10 +260,6 @@ void Layer::addToCurrentState() {
 // set-up
 // ---------------------------------------------------------------------------
 
-const String8& Layer::getName() const {
-    return mName;
-}
-
 bool Layer::getPremultipledAlpha() const {
     return mPremultipliedAlpha;
 }
@@ -241,37 +278,6 @@ sp<IBinder> Layer::getHandle() {
 // h/w composer set-up
 // ---------------------------------------------------------------------------
 
-bool Layer::hasHwcLayer(const sp<const DisplayDevice>& displayDevice) {
-    auto outputLayer = findOutputLayerForDisplay(displayDevice);
-    LOG_FATAL_IF(!outputLayer);
-    return outputLayer->getState().hwc && (*outputLayer->getState().hwc).hwcLayer != nullptr;
-}
-
-HWC2::Layer* Layer::getHwcLayer(const sp<const DisplayDevice>& displayDevice) {
-    auto outputLayer = findOutputLayerForDisplay(displayDevice);
-    if (!outputLayer || !outputLayer->getState().hwc) {
-        return nullptr;
-    }
-    return (*outputLayer->getState().hwc).hwcLayer.get();
-}
-
-Rect Layer::getContentCrop() const {
-    // this is the crop rectangle that applies to the buffer
-    // itself (as opposed to the window)
-    Rect crop;
-    if (!mCurrentCrop.isEmpty()) {
-        // if the buffer crop is defined, we use that
-        crop = mCurrentCrop;
-    } else if (mActiveBuffer != nullptr) {
-        // otherwise we use the whole buffer
-        crop = mActiveBuffer->getBounds();
-    } else {
-        // if we don't have a buffer yet, we use an empty/invalid crop
-        crop.makeInvalid();
-    }
-    return crop;
-}
-
 static Rect reduce(const Rect& win, const Region& exclude) {
     if (CC_LIKELY(exclude.isEmpty())) {
         return win;
@@ -316,7 +322,7 @@ ui::Transform Layer::getBufferScaleTransform() const {
     // If the layer is not using NATIVE_WINDOW_SCALING_MODE_FREEZE (e.g.
     // it isFixedSize) then there may be additional scaling not accounted
     // for in the layer transform.
-    if (!isFixedSize() || !mActiveBuffer) {
+    if (!isFixedSize() || getBuffer() == nullptr) {
         return {};
     }
 
@@ -328,10 +334,10 @@ ui::Transform Layer::getBufferScaleTransform() const {
         return {};
     }
 
-    int bufferWidth = mActiveBuffer->getWidth();
-    int bufferHeight = mActiveBuffer->getHeight();
+    int bufferWidth = getBuffer()->getWidth();
+    int bufferHeight = getBuffer()->getHeight();
 
-    if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
+    if (getBufferTransform() & NATIVE_WINDOW_TRANSFORM_ROT_90) {
         std::swap(bufferWidth, bufferHeight);
     }
 
@@ -346,7 +352,7 @@ ui::Transform Layer::getBufferScaleTransform() const {
 ui::Transform Layer::getTransformWithScale(const ui::Transform& bufferScaleTransform) const {
     // We need to mirror this scaling to child surfaces or we will break the contract where WM can
     // treat child surfaces as pixels in the parent surface.
-    if (!isFixedSize() || !mActiveBuffer) {
+    if (!isFixedSize() || getBuffer() == nullptr) {
         return mEffectiveTransform;
     }
     return mEffectiveTransform * bufferScaleTransform;
@@ -355,13 +361,14 @@ ui::Transform Layer::getTransformWithScale(const ui::Transform& bufferScaleTrans
 FloatRect Layer::getBoundsPreScaling(const ui::Transform& bufferScaleTransform) const {
     // We need the pre scaled layer bounds when computing child bounds to make sure the child is
     // cropped to its parent layer after any buffer transform scaling is applied.
-    if (!isFixedSize() || !mActiveBuffer) {
+    if (!isFixedSize() || getBuffer() == nullptr) {
         return mBounds;
     }
     return bufferScaleTransform.inverse().transform(mBounds);
 }
 
-void Layer::computeBounds(FloatRect parentBounds, ui::Transform parentTransform) {
+void Layer::computeBounds(FloatRect parentBounds, ui::Transform parentTransform,
+                          float parentShadowRadius) {
     const State& s(getDrawingState());
 
     // Calculate effective layer transform
@@ -384,11 +391,23 @@ void Layer::computeBounds(FloatRect parentBounds, ui::Transform parentTransform)
     mBounds = bounds;
     mScreenBounds = mEffectiveTransform.transform(mBounds);
 
+    // Use the layer's own shadow radius if set. Otherwise get the radius from
+    // parent.
+    if (s.shadowRadius > 0.f) {
+        mEffectiveShadowRadius = s.shadowRadius;
+    } else {
+        mEffectiveShadowRadius = parentShadowRadius;
+    }
+
+    // Shadow radius is passed down to only one layer so if the layer can draw shadows,
+    // don't pass it to its children.
+    const float childShadowRadius = canDrawShadows() ? 0.f : mEffectiveShadowRadius;
+
     // Add any buffer scaling to the layer's children.
     ui::Transform bufferScaleTransform = getBufferScaleTransform();
     for (const sp<Layer>& child : mDrawingChildren) {
         child->computeBounds(getBoundsPreScaling(bufferScaleTransform),
-                             getTransformWithScale(bufferScaleTransform));
+                             getTransformWithScale(bufferScaleTransform), childShadowRadius);
     }
 }
 
@@ -413,15 +432,43 @@ void Layer::setupRoundedCornersCropCoordinates(Rect win,
     win.bottom -= roundedCornersCrop.top;
 }
 
-void Layer::latchGeometry(compositionengine::LayerFECompositionState& compositionState) const {
+void Layer::prepareBasicGeometryCompositionState() {
     const auto& drawingState{getDrawingState()};
-    auto alpha = static_cast<float>(getAlpha());
-    auto blendMode = HWC2::BlendMode::None;
-    if (!isOpaque(drawingState) || alpha != 1.0f) {
-        blendMode =
-                mPremultipliedAlpha ? HWC2::BlendMode::Premultiplied : HWC2::BlendMode::Coverage;
+    const uint32_t layerStack = getLayerStack();
+    const auto alpha = static_cast<float>(getAlpha());
+    const bool opaque = isOpaque(drawingState);
+    const bool usesRoundedCorners = getRoundedCornerState().radius != 0.f;
+
+    auto blendMode = Hwc2::IComposerClient::BlendMode::NONE;
+    if (!opaque || alpha != 1.0f) {
+        blendMode = mPremultipliedAlpha ? Hwc2::IComposerClient::BlendMode::PREMULTIPLIED
+                                        : Hwc2::IComposerClient::BlendMode::COVERAGE;
     }
 
+    auto* compositionState = editCompositionState();
+    compositionState->layerStackId =
+            (layerStack != ~0u) ? std::make_optional(layerStack) : std::nullopt;
+    compositionState->internalOnly = getPrimaryDisplayOnly();
+    compositionState->isVisible = isVisible();
+    compositionState->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
+    compositionState->shadowRadius = mEffectiveShadowRadius;
+
+    compositionState->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;
+}
+
+void Layer::prepareGeometryCompositionState() {
+    const auto& drawingState{getDrawingState()};
+
     int type = drawingState.metadata.getInt32(METADATA_WINDOW_TYPE, 0);
     int appId = drawingState.metadata.getInt32(METADATA_OWNER_UID, 0);
     sp<Layer> parent = mDrawingParent.promote();
@@ -429,174 +476,274 @@ void Layer::latchGeometry(compositionengine::LayerFECompositionState& compositio
         auto& parentState = parent->getDrawingState();
         const int parentType = parentState.metadata.getInt32(METADATA_WINDOW_TYPE, 0);
         const int parentAppId = parentState.metadata.getInt32(METADATA_OWNER_UID, 0);
-        if (parentType >= 0 || parentAppId >= 0) {
+        if (parentType > 0 && parentAppId > 0) {
             type = parentType;
             appId = parentAppId;
         }
     }
 
-    compositionState.geomLayerTransform = getTransform();
-    compositionState.geomInverseLayerTransform = compositionState.geomLayerTransform.inverse();
-    compositionState.geomBufferSize = getBufferSize(drawingState);
-    compositionState.geomContentCrop = getContentCrop();
-    compositionState.geomCrop = getCrop(drawingState);
-    compositionState.geomBufferTransform = mCurrentTransform;
-    compositionState.geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
-    compositionState.geomActiveTransparentRegion = getActiveTransparentRegion(drawingState);
-    compositionState.geomLayerBounds = mBounds;
-    compositionState.geomUsesSourceCrop = usesSourceCrop();
-    compositionState.isSecure = isSecure();
+    auto* compositionState = editCompositionState();
 
-    compositionState.blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
-    compositionState.alpha = alpha;
-    compositionState.type = type;
-    compositionState.appId = appId;
-}
+    compositionState->geomBufferSize = getBufferSize(drawingState);
+    compositionState->geomContentCrop = getBufferCrop();
+    compositionState->geomCrop = getCrop(drawingState);
+    compositionState->geomBufferTransform = getBufferTransform();
+    compositionState->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
+    compositionState->geomUsesSourceCrop = usesSourceCrop();
+    compositionState->isSecure = isSecure();
+
+    compositionState->type = type;
+    compositionState->appId = appId;
+
+    compositionState->metadata.clear();
+    const auto& supportedMetadata = mFlinger->getHwComposer().getSupportedLayerGenericMetadata();
+    for (const auto& [key, mandatory] : supportedMetadata) {
+        const auto& genericLayerMetadataCompatibilityMap =
+                mFlinger->getGenericLayerMetadataKeyMap();
+        auto compatIter = genericLayerMetadataCompatibilityMap.find(key);
+        if (compatIter == std::end(genericLayerMetadataCompatibilityMap)) {
+            continue;
+        }
+        const uint32_t id = compatIter->second;
+
+        auto it = drawingState.metadata.mMap.find(id);
+        if (it == std::end(drawingState.metadata.mMap)) {
+            continue;
+        }
 
-void Layer::latchCompositionState(compositionengine::LayerFECompositionState& compositionState,
-                                  bool includeGeometry) const {
-    if (includeGeometry) {
-        latchGeometry(compositionState);
+        compositionState->metadata
+                .emplace(key, compositionengine::GenericLayerMetadataEntry{mandatory, it->second});
     }
 }
 
-const char* Layer::getDebugName() const {
-    return mName.string();
-}
+void Layer::preparePerFrameCompositionState() {
+    const auto& drawingState{getDrawingState()};
+    auto* compositionState = editCompositionState();
 
-void Layer::forceClientComposition(const sp<DisplayDevice>& display) {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
-    outputLayer->editState().forceClientComposition = true;
-}
+    compositionState->forceClientComposition = false;
 
-bool Layer::getForceClientComposition(const sp<DisplayDevice>& display) {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
-    return outputLayer->getState().forceClientComposition;
-}
+    compositionState->isColorspaceAgnostic = isColorSpaceAgnostic();
+    compositionState->dataspace = getDataSpace();
+    compositionState->colorTransform = getColorTransform();
+    compositionState->colorTransformIsIdentity = !hasColorTransform();
+    compositionState->surfaceDamage = surfaceDamageRegion;
+    compositionState->hasProtectedContent = isProtected();
 
-void Layer::updateCursorPosition(const sp<const DisplayDevice>& display) {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
+    const bool usesRoundedCorners = getRoundedCornerState().radius != 0.f;
 
-    if (!outputLayer->getState().hwc ||
-        (*outputLayer->getState().hwc).hwcCompositionType !=
-                Hwc2::IComposerClient::Composition::CURSOR) {
-        return;
+    compositionState->isOpaque =
+            isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
+
+    // Force client composition for special cases known only to the front-end.
+    if (isHdrY410() || usesRoundedCorners || drawShadows()) {
+        compositionState->forceClientComposition = true;
     }
+}
 
-    // This gives us only the "orientation" component of the transform
-    const State& s(getDrawingState());
+void Layer::prepareCursorCompositionState() {
+    const State& drawingState{getDrawingState()};
+    auto* compositionState = editCompositionState();
 
     // Apply the layer's transform, followed by the display's global transform
     // Here we're guaranteed that the layer's transform preserves rects
-    Rect win = getCroppedBufferSize(s);
+    Rect win = getCroppedBufferSize(drawingState);
     // Subtract the transparent region and snap to the bounds
-    Rect bounds = reduce(win, getActiveTransparentRegion(s));
+    Rect bounds = reduce(win, getActiveTransparentRegion(drawingState));
     Rect frame(getTransform().transform(bounds));
-    frame.intersect(display->getViewport(), &frame);
-    auto& displayTransform = display->getTransform();
-    auto position = displayTransform.transform(frame);
 
-    auto error =
-            (*outputLayer->getState().hwc).hwcLayer->setCursorPosition(position.left, position.top);
-    ALOGE_IF(error != HWC2::Error::None,
-             "[%s] Failed to set cursor position "
-             "to (%d, %d): %s (%d)",
-             mName.string(), position.left, position.top, to_string(error).c_str(),
-             static_cast<int32_t>(error));
+    compositionState->cursorFrame = frame;
 }
 
-// ---------------------------------------------------------------------------
-// drawing...
-// ---------------------------------------------------------------------------
+sp<compositionengine::LayerFE> Layer::asLayerFE() const {
+    return const_cast<compositionengine::LayerFE*>(
+            static_cast<const compositionengine::LayerFE*>(this));
+}
 
-bool Layer::prepareClientLayer(const RenderArea& renderArea, const Region& clip,
-                               Region& clearRegion, const bool supportProtectedContent,
-                               renderengine::LayerSettings& layer) {
-    return prepareClientLayer(renderArea, clip, false, clearRegion, supportProtectedContent, layer);
+sp<compositionengine::LayerFE> Layer::getCompositionEngineLayerFE() const {
+    return nullptr;
 }
 
-bool Layer::prepareClientLayer(const RenderArea& renderArea, bool useIdentityTransform,
-                               Region& clearRegion, const bool supportProtectedContent,
-                               renderengine::LayerSettings& layer) {
-    return prepareClientLayer(renderArea, Region(renderArea.getBounds()), useIdentityTransform,
-                              clearRegion, supportProtectedContent, layer);
+compositionengine::LayerFECompositionState* Layer::editCompositionState() {
+    return nullptr;
 }
 
-bool Layer::prepareClientLayer(const RenderArea& /*renderArea*/, const Region& /*clip*/,
-                               bool useIdentityTransform, Region& /*clearRegion*/,
-                               const bool /*supportProtectedContent*/,
-                               renderengine::LayerSettings& layer) {
+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;
+    }
+}
+
+const char* Layer::getDebugName() const {
+    return mName.c_str();
+}
+
+// ---------------------------------------------------------------------------
+// drawing...
+// ---------------------------------------------------------------------------
+
+std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientComposition(
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
+    if (!getCompositionState()) {
+        return {};
+    }
+
     FloatRect bounds = getBounds();
     half alpha = getAlpha();
-    layer.geometry.boundaries = bounds;
-    if (useIdentityTransform) {
-        layer.geometry.positionTransform = mat4();
+
+    compositionengine::LayerFE::LayerSettings layerSettings;
+    layerSettings.geometry.boundaries = bounds;
+    if (targetSettings.useIdentityTransform) {
+        layerSettings.geometry.positionTransform = mat4();
     } else {
-        const ui::Transform transform = getTransform();
-        mat4 m;
-        m[0][0] = transform[0][0];
-        m[0][1] = transform[0][1];
-        m[0][3] = transform[0][2];
-        m[1][0] = transform[1][0];
-        m[1][1] = transform[1][1];
-        m[1][3] = transform[1][2];
-        m[3][0] = transform[2][0];
-        m[3][1] = transform[2][1];
-        m[3][3] = transform[2][2];
-        layer.geometry.positionTransform = m;
+        layerSettings.geometry.positionTransform = getTransform().asMatrix4();
     }
 
     if (hasColorTransform()) {
-        layer.colorTransform = getColorTransform();
+        layerSettings.colorTransform = getColorTransform();
     }
 
     const auto roundedCornerState = getRoundedCornerState();
-    layer.geometry.roundedCornersRadius = roundedCornerState.radius;
-    layer.geometry.roundedCornersCrop = roundedCornerState.cropRect;
+    layerSettings.geometry.roundedCornersRadius = roundedCornerState.radius;
+    layerSettings.geometry.roundedCornersCrop = roundedCornerState.cropRect;
 
-    layer.alpha = alpha;
-    layer.sourceDataspace = mCurrentDataSpace;
-    return true;
+    layerSettings.alpha = alpha;
+    layerSettings.sourceDataspace = getDataSpace();
+    layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
+    return layerSettings;
 }
 
-void Layer::setCompositionType(const sp<const DisplayDevice>& display,
-                               Hwc2::IComposerClient::Composition type) {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
-    LOG_FATAL_IF(!outputLayer->getState().hwc);
-    auto& compositionState = outputLayer->editState();
+std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareShadowClientComposition(
+        const LayerFE::LayerSettings& casterLayerSettings, const Rect& displayViewport,
+        ui::Dataspace outputDataspace) {
+    renderengine::ShadowSettings shadow = getShadowSettings(displayViewport);
+    if (shadow.length <= 0.f) {
+        return {};
+    }
 
-    ALOGV("setCompositionType(%" PRIx64 ", %s, %d)", ((*compositionState.hwc).hwcLayer)->getId(),
-          toString(type).c_str(), 1);
-    if ((*compositionState.hwc).hwcCompositionType != type) {
-        ALOGV("    actually setting");
-        (*compositionState.hwc).hwcCompositionType = type;
+    const float casterAlpha = casterLayerSettings.alpha;
+    const bool casterIsOpaque = ((casterLayerSettings.source.buffer.buffer != nullptr) &&
+                                 casterLayerSettings.source.buffer.isOpaque);
 
-        auto error = (*compositionState.hwc)
-                             .hwcLayer->setCompositionType(static_cast<HWC2::Composition>(type));
-        ALOGE_IF(error != HWC2::Error::None,
-                 "[%s] Failed to set "
-                 "composition type %s: %s (%d)",
-                 mName.string(), toString(type).c_str(), to_string(error).c_str(),
-                 static_cast<int32_t>(error));
+    compositionengine::LayerFE::LayerSettings shadowLayer = casterLayerSettings;
+
+    shadowLayer.shadow = shadow;
+    shadowLayer.geometry.boundaries = mBounds; // ignore transparent region
+
+    // 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.
+    shadowLayer.shadow.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
+    shadowLayer.shadow.ambientColor *= casterAlpha;
+    shadowLayer.shadow.spotColor *= casterAlpha;
+    shadowLayer.sourceDataspace = outputDataspace;
+    shadowLayer.source.buffer.buffer = nullptr;
+    shadowLayer.source.buffer.fence = nullptr;
+    shadowLayer.frameNumber = 0;
+    shadowLayer.bufferId = 0;
+
+    if (shadowLayer.shadow.ambientColor.a <= 0.f && shadowLayer.shadow.spotColor.a <= 0.f) {
+        return {};
     }
+
+    float casterCornerRadius = shadowLayer.geometry.roundedCornersRadius;
+    const FloatRect& cornerRadiusCropRect = shadowLayer.geometry.roundedCornersCrop;
+    const FloatRect& casterRect = shadowLayer.geometry.boundaries;
+
+    // crop used to set the corner radius may be larger than the content rect. Adjust the corner
+    // radius accordingly.
+    if (casterCornerRadius > 0.f) {
+        float cropRectOffset = std::max(std::abs(cornerRadiusCropRect.top - casterRect.top),
+                                        std::abs(cornerRadiusCropRect.left - casterRect.left));
+        if (cropRectOffset > casterCornerRadius) {
+            casterCornerRadius = 0;
+        } else {
+            casterCornerRadius -= cropRectOffset;
+        }
+        shadowLayer.geometry.roundedCornersRadius = casterCornerRadius;
+    }
+
+    return shadowLayer;
 }
 
-Hwc2::IComposerClient::Composition Layer::getCompositionType(
-        const sp<const DisplayDevice>& display) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
-    return outputLayer->getState().hwc ? (*outputLayer->getState().hwc).hwcCompositionType
-                                       : Hwc2::IComposerClient::Composition::CLIENT;
+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;
 }
 
-bool Layer::getClearClientTarget(const sp<const DisplayDevice>& display) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    LOG_FATAL_IF(!outputLayer);
-    return outputLayer->getState().clearClientTarget;
+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};
+    }
+
+    std::optional<compositionengine::LayerFE::LayerSettings> shadowSettings =
+            prepareShadowClientComposition(*layerSettings, targetSettings.viewport,
+                                           targetSettings.dataspace);
+    // There are no shadows to render.
+    if (!shadowSettings) {
+        return {*layerSettings};
+    }
+
+    // If the layer casts a shadow but the content casting the shadow is occluded, skip
+    // composing the non-shadow content and only draw the shadows.
+    if (targetSettings.realContentIsVisible) {
+        return {*shadowSettings, *layerSettings};
+    }
+
+    return {*shadowSettings};
+}
+
+Hwc2::IComposerClient::Composition Layer::getCompositionType(const DisplayDevice& display) const {
+    const auto outputLayer = findOutputLayerForDisplay(&display);
+    if (outputLayer == nullptr) {
+        return Hwc2::IComposerClient::Composition::INVALID;
+    }
+    if (outputLayer->getState().hwc) {
+        return (*outputLayer->getState().hwc).hwcCompositionType;
+    } else {
+        return Hwc2::IComposerClient::Composition::CLIENT;
+    }
 }
 
 bool Layer::addSyncPoint(const std::shared_ptr<SyncPoint>& point) {
@@ -618,58 +765,11 @@ bool Layer::addSyncPoint(const std::shared_ptr<SyncPoint>& point) {
 // local state
 // ----------------------------------------------------------------------------
 
-void Layer::computeGeometry(const RenderArea& renderArea,
-                            renderengine::Mesh& mesh,
-                            bool useIdentityTransform) const {
-    const ui::Transform renderAreaTransform(renderArea.getTransform());
-    FloatRect win = getBounds();
-
-    vec2 lt = vec2(win.left, win.top);
-    vec2 lb = vec2(win.left, win.bottom);
-    vec2 rb = vec2(win.right, win.bottom);
-    vec2 rt = vec2(win.right, win.top);
-
-    ui::Transform layerTransform = getTransform();
-    if (!useIdentityTransform) {
-        lt = layerTransform.transform(lt);
-        lb = layerTransform.transform(lb);
-        rb = layerTransform.transform(rb);
-        rt = layerTransform.transform(rt);
-    }
-
-    renderengine::Mesh::VertexArray<vec2> position(mesh.getPositionArray<vec2>());
-    position[0] = renderAreaTransform.transform(lt);
-    position[1] = renderAreaTransform.transform(lb);
-    position[2] = renderAreaTransform.transform(rb);
-    position[3] = renderAreaTransform.transform(rt);
-}
-
 bool Layer::isSecure() const {
     const State& s(mDrawingState);
     return (s.flags & layer_state_t::eLayerSecure);
 }
 
-void Layer::setVisibleRegion(const Region& visibleRegion) {
-    // always called from main thread
-    this->visibleRegion = visibleRegion;
-}
-
-void Layer::setCoveredRegion(const Region& coveredRegion) {
-    // always called from main thread
-    this->coveredRegion = coveredRegion;
-}
-
-void Layer::setVisibleNonTransparentRegion(const Region& setVisibleNonTransparentRegion) {
-    // always called from main thread
-    this->visibleNonTransparentRegion = setVisibleNonTransparentRegion;
-}
-
-void Layer::clearVisibilityRegions() {
-    visibleRegion.clear();
-    visibleNonTransparentRegion.clear();
-    coveredRegion.clear();
-}
-
 // ----------------------------------------------------------------------------
 // transaction
 // ----------------------------------------------------------------------------
@@ -687,7 +787,7 @@ void Layer::pushPendingState() {
     if (mCurrentState.barrierLayer_legacy != nullptr && !isRemovedFromCurrentState()) {
         sp<Layer> barrierLayer = mCurrentState.barrierLayer_legacy.promote();
         if (barrierLayer == nullptr) {
-            ALOGE("[%s] Unable to promote barrier Layer.", mName.string());
+            ALOGE("[%s] Unable to promote barrier Layer.", getDebugName());
             // If we can't promote the layer we are intended to wait on,
             // then it is expired or otherwise invalid. Allow this transaction
             // to be applied as per normal (no synchronization).
@@ -711,7 +811,7 @@ void Layer::pushPendingState() {
         mFlinger->setTransactionFlags(eTraversalNeeded);
     }
     mPendingStates.push_back(mCurrentState);
-    ATRACE_INT(mTransactionName.string(), mPendingStates.size());
+    ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
 void Layer::popPendingState(State* stateToCommit) {
@@ -719,7 +819,7 @@ void Layer::popPendingState(State* stateToCommit) {
     *stateToCommit = mPendingStates[0];
 
     mPendingStates.removeAt(0);
-    ATRACE_INT(mTransactionName.string(), mPendingStates.size());
+    ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
 bool Layer::applyPendingStates(State* stateToCommit) {
@@ -730,7 +830,7 @@ bool Layer::applyPendingStates(State* stateToCommit) {
                 // If we don't have a sync point for this, apply it anyway. It
                 // will be visually wrong, but it should keep us from getting
                 // into too much trouble.
-                ALOGE("[%s] No local sync point found", mName.string());
+                ALOGE("[%s] No local sync point found", getDebugName());
                 popPendingState(stateToCommit);
                 stateUpdateAvailable = true;
                 continue;
@@ -738,7 +838,7 @@ bool Layer::applyPendingStates(State* stateToCommit) {
 
             if (mRemoteSyncPoints.front()->getFrameNumber() !=
                 mPendingStates[0].frameNumber_legacy) {
-                ALOGE("[%s] Unexpected sync point frame number found", mName.string());
+                ALOGE("[%s] Unexpected sync point frame number found", getDebugName());
 
                 // Signal our end of the sync point and then dispose of it
                 mRemoteSyncPoints.front()->setTransactionApplied();
@@ -765,11 +865,13 @@ bool Layer::applyPendingStates(State* stateToCommit) {
         }
     }
 
-    // If we still have pending updates, wake SurfaceFlinger back up and point
-    // it at this layer so we can process them
+    // If we still have pending updates, we need to ensure SurfaceFlinger
+    // will keep calling doTransaction, and so we force a traversal.
+    // However, our pending states won't clear until a frame is available,
+    // and so there is no need to specifically trigger a wakeup.
     if (!mPendingStates.empty()) {
         setTransactionFlags(eTransactionNeeded);
-        mFlinger->setTransactionFlags(eTraversalNeeded);
+        mFlinger->setTraversalNeeded();
     }
 
     mCurrentState.modified = false;
@@ -790,7 +892,7 @@ uint32_t Layer::doTransactionResize(uint32_t flags, State* stateToCommit) {
                  "            requested={ wh={%4u,%4u} }}\n"
                  "  drawing={ active   ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
                  "            requested={ wh={%4u,%4u} }}\n",
-                 this, getName().string(), mCurrentTransform, getEffectiveScalingMode(),
+                 this, getName().c_str(), getBufferTransform(), getEffectiveScalingMode(),
                  stateToCommit->active_legacy.w, stateToCommit->active_legacy.h,
                  stateToCommit->crop_legacy.left, stateToCommit->crop_legacy.top,
                  stateToCommit->crop_legacy.right, stateToCommit->crop_legacy.bottom,
@@ -822,7 +924,7 @@ uint32_t Layer::doTransactionResize(uint32_t flags, State* stateToCommit) {
     const bool resizePending =
             ((stateToCommit->requested_legacy.w != stateToCommit->active_legacy.w) ||
              (stateToCommit->requested_legacy.h != stateToCommit->active_legacy.h)) &&
-            (mActiveBuffer != nullptr);
+            (getBuffer() != nullptr);
     if (!isFixedSize()) {
         if (resizePending && mSidebandStream == nullptr) {
             flags |= eDontUpdateGeometryState;
@@ -835,11 +937,6 @@ uint32_t Layer::doTransactionResize(uint32_t flags, State* stateToCommit) {
     if (!(flags & eDontUpdateGeometryState)) {
         State& editCurrentState(getCurrentState());
 
-        // If mFreezeGeometryUpdates is true we are in the setGeometryAppliesWithResize
-        // mode, which causes attributes which normally latch regardless of scaling mode,
-        // to be delayed. We copy the requested state to the active state making sure
-        // to respect these rules (again see Layer.h for a detailed discussion).
-        //
         // There is an awkward asymmetry in the handling of the crop states in the position
         // states, as can be seen below. Largely this arises from position and transform
         // being stored in the same data structure while having different latching rules.
@@ -847,16 +944,8 @@ uint32_t Layer::doTransactionResize(uint32_t flags, State* stateToCommit) {
         //
         // Careful that "stateToCommit" and editCurrentState may not begin as equivalent due to
         // applyPendingStates in the presence of deferred transactions.
-        if (mFreezeGeometryUpdates) {
-            float tx = stateToCommit->active_legacy.transform.tx();
-            float ty = stateToCommit->active_legacy.transform.ty();
-            stateToCommit->active_legacy = stateToCommit->requested_legacy;
-            stateToCommit->active_legacy.transform.set(tx, ty);
-            editCurrentState.active_legacy = stateToCommit->active_legacy;
-        } else {
-            editCurrentState.active_legacy = editCurrentState.requested_legacy;
-            stateToCommit->active_legacy = stateToCommit->requested_legacy;
-        }
+        editCurrentState.active_legacy = editCurrentState.requested_legacy;
+        stateToCommit->active_legacy = stateToCommit->requested_legacy;
     }
 
     return flags;
@@ -866,6 +955,15 @@ uint32_t Layer::doTransaction(uint32_t flags) {
     ATRACE_CALL();
 
     if (mLayerDetached) {
+        // Ensure BLAST buffer callbacks are processed.
+        // detachChildren and mLayerDetached were implemented to avoid geometry updates
+        // to layers in the cases of animation. For BufferQueue layers buffers are still
+        // consumed as normal. This is useful as otherwise the client could get hung
+        // inevitably waiting on a buffer to return. We recreate this semantic for BufferQueue
+        // even though it is a little consistent. detachChildren is shortly slated for removal
+        // by the hierarchy mirroring work so we don't need to worry about it too much.
+        forceSendCallbacks();
+        mCurrentState.callbackHandles = {};
         return flags;
     }
 
@@ -908,6 +1006,7 @@ uint32_t Layer::doTransaction(uint32_t flags) {
     commitTransaction(c);
     mPendingStatesSnapshot = mPendingStates;
     mCurrentState.callbackHandles = {};
+
     return flags;
 }
 
@@ -923,7 +1022,7 @@ uint32_t Layer::setTransactionFlags(uint32_t flags) {
     return mTransactionFlags.fetch_or(flags);
 }
 
-bool Layer::setPosition(float x, float y, bool immediate) {
+bool Layer::setPosition(float x, float y) {
     if (mCurrentState.requested_legacy.transform.tx() == x &&
         mCurrentState.requested_legacy.transform.ty() == y)
         return false;
@@ -933,14 +1032,11 @@ bool Layer::setPosition(float x, float y, bool immediate) {
     // we want to apply the position portion of the transform matrix immediately,
     // but still delay scaling when resizing a SCALING_MODE_FREEZE layer.
     mCurrentState.requested_legacy.transform.set(x, y);
-    if (immediate && !mFreezeGeometryUpdates) {
-        // Here we directly update the active state
-        // unlike other setters, because we store it within
-        // the transform, but use different latching rules.
-        // b/38182305
-        mCurrentState.active_legacy.transform.set(x, y);
-    }
-    mFreezeGeometryUpdates = mFreezeGeometryUpdates || !immediate;
+    // Here we directly update the active state
+    // unlike other setters, because we store it within
+    // the transform, but use different latching rules.
+    // b/38182305
+    mCurrentState.active_legacy.transform.set(x, y);
 
     mCurrentState.modified = true;
     setTransactionFlags(eTransactionNeeded);
@@ -1010,6 +1106,8 @@ void Layer::setZOrderRelativeOf(const wp<Layer>& relativeOf) {
     mCurrentState.zOrderRelativeOf = relativeOf;
     mCurrentState.sequence++;
     mCurrentState.modified = true;
+    mCurrentState.isRelativeOf = relativeOf != nullptr;
+
     setTransactionFlags(eTransactionNeeded);
 }
 
@@ -1076,10 +1174,11 @@ bool Layer::setBackgroundColor(const half3& color, float alpha, ui::Dataspace da
 
     if (!mCurrentState.bgColorLayer && alpha != 0) {
         // create background color layer if one does not yet exist
-        uint32_t flags = ISurfaceComposerClient::eFXSurfaceColor;
-        const String8& name = mName + "BackgroundColorLayer";
-        mCurrentState.bgColorLayer = new ColorLayer(
-                LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, flags, LayerMetadata()));
+        uint32_t flags = ISurfaceComposerClient::eFXSurfaceEffect;
+        std::string name = mName + "BackgroundColorLayer";
+        mCurrentState.bgColorLayer = mFlinger->getFactory().createEffectLayer(
+                LayerCreationArgs(mFlinger.get(), nullptr, std::move(name), 0, 0, flags,
+                                  LayerMetadata()));
 
         // add to child list
         addChild(mCurrentState.bgColorLayer);
@@ -1113,6 +1212,16 @@ bool Layer::setCornerRadius(float cornerRadius) {
     return true;
 }
 
+bool Layer::setBackgroundBlurRadius(int backgroundBlurRadius) {
+    if (mCurrentState.backgroundBlurRadius == backgroundBlurRadius) return false;
+
+    mCurrentState.sequence++;
+    mCurrentState.backgroundBlurRadius = backgroundBlurRadius;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
 bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix,
         bool allowNonRectPreservingTransforms) {
     ui::Transform t;
@@ -1136,6 +1245,7 @@ bool Layer::setTransparentRegionHint(const Region& transparent) {
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
+
 bool Layer::setFlags(uint8_t flags, uint8_t mask) {
     const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
     if (mCurrentState.flags == newFlags) return false;
@@ -1146,14 +1256,11 @@ bool Layer::setFlags(uint8_t flags, uint8_t mask) {
     return true;
 }
 
-bool Layer::setCrop_legacy(const Rect& crop, bool immediate) {
+bool Layer::setCrop_legacy(const Rect& crop) {
     if (mCurrentState.requestedCrop_legacy == crop) return false;
     mCurrentState.sequence++;
     mCurrentState.requestedCrop_legacy = crop;
-    if (immediate && !mFreezeGeometryUpdates) {
-        mCurrentState.crop_legacy = crop;
-    }
-    mFreezeGeometryUpdates = mFreezeGeometryUpdates || !immediate;
+    mCurrentState.crop_legacy = crop;
 
     mCurrentState.modified = true;
     setTransactionFlags(eTransactionNeeded);
@@ -1195,6 +1302,33 @@ bool Layer::setColorSpaceAgnostic(const bool agnostic) {
     return true;
 }
 
+bool Layer::setFrameRateSelectionPriority(int32_t priority) {
+    if (mCurrentState.frameRateSelectionPriority == priority) return false;
+    mCurrentState.frameRateSelectionPriority = priority;
+    mCurrentState.sequence++;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+int32_t Layer::getFrameRateSelectionPriority() const {
+    // Check if layer has priority set.
+    if (mDrawingState.frameRateSelectionPriority != PRIORITY_UNSET) {
+        return mDrawingState.frameRateSelectionPriority;
+    }
+    // If not, search whether its parents have it set.
+    sp<Layer> parent = getParent();
+    if (parent != nullptr) {
+        return parent->getFrameRateSelectionPriority();
+    }
+
+    return Layer::PRIORITY_UNSET;
+}
+
+bool Layer::isLayerFocusedBasedOnPriority(int32_t priority) {
+    return priority == PRIORITY_FOCUSED_WITH_MODE || priority == PRIORITY_FOCUSED_WITHOUT_MODE;
+};
+
 uint32_t Layer::getLayerStack() const {
     auto p = mDrawingParent.promote();
     if (p == nullptr) {
@@ -1203,6 +1337,112 @@ uint32_t Layer::getLayerStack() const {
     return p->getLayerStack();
 }
 
+bool Layer::setShadowRadius(float shadowRadius) {
+    if (mCurrentState.shadowRadius == shadowRadius) {
+        return false;
+    }
+
+    mCurrentState.sequence++;
+    mCurrentState.shadowRadius = shadowRadius;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setFixedTransformHint(ui::Transform::RotationFlags fixedTransformHint) {
+    if (mCurrentState.fixedTransformHint == fixedTransformHint) {
+        return false;
+    }
+
+    mCurrentState.sequence++;
+    mCurrentState.fixedTransformHint = fixedTransformHint;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+void Layer::updateTreeHasFrameRateVote() {
+    const auto traverseTree = [&](const LayerVector::Visitor& visitor) {
+        auto parent = getParent();
+        while (parent) {
+            visitor(parent.get());
+            parent = parent->getParent();
+        }
+
+        traverse(LayerVector::StateSet::Current, visitor);
+    };
+
+    // update parents and children about the vote
+    // First traverse the tree and count how many layers has votes
+    int layersWithVote = 0;
+    traverseTree([&layersWithVote](Layer* layer) {
+        const auto layerVotedWithDefaultCompatibility = layer->mCurrentState.frameRate.rate > 0 &&
+                layer->mCurrentState.frameRate.type == FrameRateCompatibility::Default;
+        const auto layerVotedWithNoVote =
+                layer->mCurrentState.frameRate.type == FrameRateCompatibility::NoVote;
+
+        // We do not count layers that are ExactOrMultiple for the same reason
+        // we are allowing touch boost for those layers. See
+        // RefreshRateConfigs::getBestRefreshRate for more details.
+        if (layerVotedWithDefaultCompatibility || layerVotedWithNoVote) {
+            layersWithVote++;
+        }
+    });
+
+    // Now update the other layers
+    bool transactionNeeded = false;
+    traverseTree([layersWithVote, &transactionNeeded](Layer* layer) {
+        if (layer->mCurrentState.treeHasFrameRateVote != layersWithVote > 0) {
+            layer->mCurrentState.sequence++;
+            layer->mCurrentState.treeHasFrameRateVote = layersWithVote > 0;
+            layer->mCurrentState.modified = true;
+            layer->setTransactionFlags(eTransactionNeeded);
+            transactionNeeded = true;
+        }
+    });
+
+    if (transactionNeeded) {
+        mFlinger->setTransactionFlags(eTraversalNeeded);
+    }
+}
+
+bool Layer::setFrameRate(FrameRate frameRate) {
+    if (!mFlinger->useFrameRateApi) {
+        return false;
+    }
+    if (mCurrentState.frameRate == frameRate) {
+        return false;
+    }
+
+    // Activate the layer in Scheduler's LayerHistory
+    mFlinger->mScheduler->recordLayerHistory(this, systemTime(),
+                                             LayerHistory::LayerUpdateType::SetFrameRate);
+
+    mCurrentState.sequence++;
+    mCurrentState.frameRate = frameRate;
+    mCurrentState.modified = true;
+
+    updateTreeHasFrameRateVote();
+
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+Layer::FrameRate Layer::getFrameRateForLayerTree() const {
+    const auto frameRate = getDrawingState().frameRate;
+    if (frameRate.rate > 0 || frameRate.type == FrameRateCompatibility::NoVote) {
+        return frameRate;
+    }
+
+    // This layer doesn't have a frame rate. If one of its ancestors or successors
+    // have a vote, return a NoVote for ancestors/successors to set the vote
+    if (getDrawingState().treeHasFrameRateVote) {
+        return {0, FrameRateCompatibility::NoVote};
+    }
+
+    return frameRate;
+}
+
 void Layer::deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber) {
     ATRACE_CALL();
     mCurrentState.barrierLayer_legacy = barrierLayer;
@@ -1255,20 +1495,12 @@ uint32_t Layer::getEffectiveUsage(uint32_t usage) const {
     return usage;
 }
 
-void Layer::updateTransformHint(const sp<const DisplayDevice>& display) const {
-    uint32_t orientation = 0;
-    // Disable setting transform hint if the debug flag is set.
-    if (!mFlinger->mDebugDisableTransformHint) {
-        // The transform hint is used to improve performance, but we can
-        // only have a single transform hint, it cannot
-        // apply to all displays.
-        const ui::Transform& planeTransform = display->getTransform();
-        orientation = planeTransform.getOrientation();
-        if (orientation & ui::Transform::ROT_INVALID) {
-            orientation = 0;
-        }
+void Layer::updateTransformHint(ui::Transform::RotationFlags transformHint) {
+    if (mFlinger->mDebugDisableTransformHint || transformHint & ui::Transform::ROT_INVALID) {
+        transformHint = ui::Transform::ROT_0;
     }
-    setTransformHint(orientation);
+
+    setTransformHint(transformHint);
 }
 
 // ----------------------------------------------------------------------------
@@ -1276,15 +1508,18 @@ void Layer::updateTransformHint(const sp<const DisplayDevice>& display) const {
 // ----------------------------------------------------------------------------
 
 // TODO(marissaw): add new layer state info to layer debugging
-LayerDebugInfo Layer::getLayerDebugInfo() const {
+LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
+    using namespace std::string_literals;
+
     LayerDebugInfo info;
     const State& ds = getDrawingState();
     info.mName = getName();
-    sp<Layer> parent = getParent();
-    info.mParentName = (parent == nullptr ? std::string("none") : parent->getName().string());
-    info.mType = std::string(getTypeId());
+    sp<Layer> parent = mDrawingParent.promote();
+    info.mParentName = parent ? parent->getName() : "none"s;
+    info.mType = getType();
     info.mTransparentRegion = ds.activeTransparentRegion_legacy;
-    info.mVisibleRegion = visibleRegion;
+
+    info.mVisibleRegion = getVisibleRegion(display);
     info.mSurfaceDamageRegion = surfaceDamageRegion;
     info.mLayerStack = getLayerStack();
     info.mX = ds.active_legacy.transform.tx();
@@ -1296,13 +1531,13 @@ LayerDebugInfo Layer::getLayerDebugInfo() const {
     info.mColor = ds.color;
     info.mFlags = ds.flags;
     info.mPixelFormat = getPixelFormat();
-    info.mDataSpace = static_cast<android_dataspace>(mCurrentDataSpace);
+    info.mDataSpace = static_cast<android_dataspace>(getDataSpace());
     info.mMatrix[0][0] = ds.active_legacy.transform[0][0];
     info.mMatrix[0][1] = ds.active_legacy.transform[0][1];
     info.mMatrix[1][0] = ds.active_legacy.transform[1][0];
     info.mMatrix[1][1] = ds.active_legacy.transform[1][1];
     {
-        sp<const GraphicBuffer> buffer = mActiveBuffer;
+        sp<const GraphicBuffer> buffer = getBuffer();
         if (buffer != 0) {
             info.mActiveBufferWidth = buffer->getWidth();
             info.mActiveBufferHeight = buffer->getHeight();
@@ -1325,21 +1560,37 @@ LayerDebugInfo Layer::getLayerDebugInfo() const {
 void Layer::miniDumpHeader(std::string& result) {
     result.append("-------------------------------");
     result.append("-------------------------------");
-    result.append("-----------------------------\n");
+    result.append("-------------------------------");
+    result.append("-------------------------------");
+    result.append("-------------------\n");
     result.append(" Layer name\n");
     result.append("           Z | ");
     result.append(" Window Type | ");
     result.append(" Comp Type | ");
     result.append(" Transform | ");
     result.append("  Disp Frame (LTRB) | ");
-    result.append("         Source Crop (LTRB)\n");
+    result.append("         Source Crop (LTRB) | ");
+    result.append("    Frame Rate (Explicit) [Focused]\n");
+    result.append("-------------------------------");
     result.append("-------------------------------");
     result.append("-------------------------------");
-    result.append("-----------------------------\n");
+    result.append("-------------------------------");
+    result.append("-------------------\n");
+}
+
+std::string Layer::frameRateCompatibilityString(Layer::FrameRateCompatibility compatibility) {
+    switch (compatibility) {
+        case FrameRateCompatibility::Default:
+            return "Default";
+        case FrameRateCompatibility::ExactOrMultiple:
+            return "ExactOrMultiple";
+        case FrameRateCompatibility::NoVote:
+            return "NoVote";
+    }
 }
 
-void Layer::miniDump(std::string& result, const sp<DisplayDevice>& displayDevice) const {
-    auto outputLayer = findOutputLayerForDisplay(displayDevice);
+void Layer::miniDump(std::string& result, const DisplayDevice& display) const {
+    const auto outputLayer = findOutputLayerForDisplay(&display);
     if (!outputLayer) {
         return;
     }
@@ -1347,18 +1598,18 @@ void Layer::miniDump(std::string& result, const sp<DisplayDevice>& displayDevice
     std::string name;
     if (mName.length() > 77) {
         std::string shortened;
-        shortened.append(mName.string(), 36);
+        shortened.append(mName, 0, 36);
         shortened.append("[...]");
-        shortened.append(mName.string() + (mName.length() - 36), 36);
-        name = shortened;
+        shortened.append(mName, mName.length() - 36);
+        name = std::move(shortened);
     } else {
-        name = std::string(mName.string(), mName.size());
+        name = mName;
     }
 
     StringAppendF(&result, " %s\n", name.c_str());
 
     const State& layerState(getDrawingState());
-    const auto& compositionState = outputLayer->getState();
+    const auto& outputLayerState = outputLayer->getState();
 
     if (layerState.zOrderRelativeOf != nullptr || mDrawingParent != nullptr) {
         StringAppendF(&result, "  rel %6d | ", layerState.z);
@@ -1366,20 +1617,29 @@ void Layer::miniDump(std::string& result, const sp<DisplayDevice>& displayDevice
         StringAppendF(&result, "  %10d | ", layerState.z);
     }
     StringAppendF(&result, "  %10d | ", mWindowType);
-    StringAppendF(&result, "%10s | ", toString(getCompositionType(displayDevice)).c_str());
-    StringAppendF(&result, "%10s | ",
-                  toString(getCompositionLayer() ? compositionState.bufferTransform
-                                                 : static_cast<Hwc2::Transform>(0))
-                          .c_str());
-    const Rect& frame = compositionState.displayFrame;
+    StringAppendF(&result, "%10s | ", toString(getCompositionType(display)).c_str());
+    StringAppendF(&result, "%10s | ", toString(outputLayerState.bufferTransform).c_str());
+    const Rect& frame = outputLayerState.displayFrame;
     StringAppendF(&result, "%4d %4d %4d %4d | ", frame.left, frame.top, frame.right, frame.bottom);
-    const FloatRect& crop = compositionState.sourceCrop;
-    StringAppendF(&result, "%6.1f %6.1f %6.1f %6.1f\n", crop.left, crop.top, crop.right,
+    const FloatRect& crop = outputLayerState.sourceCrop;
+    StringAppendF(&result, "%6.1f %6.1f %6.1f %6.1f | ", crop.left, crop.top, crop.right,
                   crop.bottom);
+    if (layerState.frameRate.rate != 0 ||
+        layerState.frameRate.type != FrameRateCompatibility::Default) {
+        StringAppendF(&result, "% 6.2ffps %15s", layerState.frameRate.rate,
+                      frameRateCompatibilityString(layerState.frameRate.type).c_str());
+    } else {
+        StringAppendF(&result, "                         ");
+    }
 
-    result.append("- - - - - - - - - - - - - - - -");
-    result.append("- - - - - - - - - - - - - - - -");
-    result.append("- - - - - - - - - - - - - - -\n");
+    const auto focused = isLayerFocusedBasedOnPriority(getFrameRateSelectionPriority());
+    StringAppendF(&result, "    [%s]\n", focused ? "*" : " ");
+
+    result.append("- - - - - - - - - - - - - - - - ");
+    result.append("- - - - - - - - - - - - - - - - ");
+    result.append("- - - - - - - - - - - - - - - - ");
+    result.append("- - - - - - - - - - - - - - - - ");
+    result.append("- - - - - - - -\n");
 }
 
 void Layer::dumpFrameStats(std::string& result) const {
@@ -1399,16 +1659,23 @@ void Layer::getFrameStats(FrameStats* outStats) const {
 }
 
 void Layer::dumpFrameEvents(std::string& result) {
-    StringAppendF(&result, "- Layer %s (%s, %p)\n", getName().string(), getTypeId(), this);
+    StringAppendF(&result, "- Layer %s (%s, %p)\n", getName().c_str(), getType(), this);
     Mutex::Autolock lock(mFrameEventHistoryMutex);
     mFrameEventHistory.checkFencesForCompletion();
     mFrameEventHistory.dump(result);
 }
 
+void Layer::dumpCallingUidPid(std::string& result) const {
+    StringAppendF(&result, "Layer %s (%s) pid:%d uid:%d\n", getName().c_str(), getType(),
+                  mCallingPid, mCallingUid);
+}
+
 void Layer::onDisconnect() {
     Mutex::Autolock lock(mFrameEventHistoryMutex);
     mFrameEventHistory.onDisconnect();
-    mFlinger->mTimeStats->onDestroy(getSequence());
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->onDestroy(layerId);
+    mFlinger->mFrameTracer->onDestroy(layerId);
 }
 
 void Layer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
@@ -1416,6 +1683,8 @@ void Layer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
     if (newTimestamps) {
         mFlinger->mTimeStats->setPostTime(getSequence(), newTimestamps->frameNumber,
                                           getName().c_str(), newTimestamps->postedTime);
+        mFlinger->mTimeStats->setAcquireFence(getSequence(), newTimestamps->frameNumber,
+                                              newTimestamps->acquireFence);
     }
 
     Mutex::Autolock lock(mFrameEventHistoryMutex);
@@ -1449,6 +1718,7 @@ void Layer::addChild(const sp<Layer>& layer) {
 
     mCurrentChildren.add(layer);
     layer->setParent(this);
+    updateTreeHasFrameRateVote();
 }
 
 ssize_t Layer::removeChild(const sp<Layer>& layer) {
@@ -1456,7 +1726,24 @@ ssize_t Layer::removeChild(const sp<Layer>& layer) {
     setTransactionFlags(eTransactionNeeded);
 
     layer->setParent(nullptr);
-    return mCurrentChildren.remove(layer);
+    const auto removeResult = mCurrentChildren.remove(layer);
+
+    updateTreeHasFrameRateVote();
+    layer->updateTreeHasFrameRateVote();
+
+    return removeResult;
+}
+
+void Layer::reparentChildren(const sp<Layer>& newParent) {
+    if (attachChildren()) {
+        setTransactionFlags(eTransactionNeeded);
+    }
+
+    for (const sp<Layer>& child : mCurrentChildren) {
+        newParent->addChild(child);
+    }
+    mCurrentChildren.clear();
+    updateTreeHasFrameRateVote();
 }
 
 bool Layer::reparentChildren(const sp<IBinder>& newParentHandle) {
@@ -1472,13 +1759,7 @@ bool Layer::reparentChildren(const sp<IBinder>& newParentHandle) {
         return false;
     }
 
-    if (attachChildren()) {
-        setTransactionFlags(eTransactionNeeded);
-    }
-    for (const sp<Layer>& child : mCurrentChildren) {
-        newParent->addChild(child);
-    }
-    mCurrentChildren.clear();
+    reparentChildren(newParent);
 
     return true;
 }
@@ -1487,8 +1768,8 @@ void Layer::setChildrenDrawingParent(const sp<Layer>& newParent) {
     for (const sp<Layer>& child : mDrawingChildren) {
         child->mDrawingParent = newParent;
         child->computeBounds(newParent->mBounds,
-                             newParent->getTransformWithScale(
-                                     newParent->getBufferScaleTransform()));
+                             newParent->getTransformWithScale(newParent->getBufferScaleTransform()),
+                             newParent->mEffectiveShadowRadius);
     }
 }
 
@@ -1608,22 +1889,25 @@ bool Layer::hasColorTransform() const {
 
 bool Layer::isLegacyDataSpace() const {
     // return true when no higher bits are set
-    return !(mCurrentDataSpace & (ui::Dataspace::STANDARD_MASK |
-                ui::Dataspace::TRANSFER_MASK | ui::Dataspace::RANGE_MASK));
+    return !(getDataSpace() &
+             (ui::Dataspace::STANDARD_MASK | ui::Dataspace::TRANSFER_MASK |
+              ui::Dataspace::RANGE_MASK));
 }
 
 void Layer::setParent(const sp<Layer>& layer) {
     mCurrentParent = layer;
 }
 
-int32_t Layer::getZ() const {
-    return mDrawingState.z;
+int32_t Layer::getZ(LayerVector::StateSet stateSet) const {
+    const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
+    const State& state = useDrawing ? mDrawingState : mCurrentState;
+    return state.z;
 }
 
 bool Layer::usingRelativeZ(LayerVector::StateSet stateSet) const {
     const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
     const State& state = useDrawing ? mDrawingState : mCurrentState;
-    return state.zOrderRelativeOf != nullptr;
+    return state.isRelativeOf;
 }
 
 __attribute__((no_sanitize("unsigned-integer-overflow"))) LayerVector Layer::makeTraversalList(
@@ -1648,8 +1932,7 @@ __attribute__((no_sanitize("unsigned-integer-overflow"))) LayerVector Layer::mak
     }
 
     for (const sp<Layer>& child : children) {
-        const State& childState = useDrawing ? child->mDrawingState : child->mCurrentState;
-        if (childState.zOrderRelativeOf != nullptr) {
+        if (child->usingRelativeZ(stateSet)) {
             continue;
         }
         traverse.add(child);
@@ -1678,7 +1961,7 @@ void Layer::traverseInZOrder(LayerVector::StateSet stateSet, const LayerVector::
             continue;
         }
 
-        if (relative->getZ() >= 0) {
+        if (relative->getZ(stateSet) >= 0) {
             break;
         }
         relative->traverseInZOrder(stateSet, visitor);
@@ -1712,7 +1995,7 @@ void Layer::traverseInReverseZOrder(LayerVector::StateSet stateSet,
             continue;
         }
 
-        if (relative->getZ() < 0) {
+        if (relative->getZ(stateSet) < 0) {
             break;
         }
         relative->traverseInReverseZOrder(stateSet, visitor);
@@ -1729,6 +2012,15 @@ void Layer::traverseInReverseZOrder(LayerVector::StateSet stateSet,
     }
 }
 
+void Layer::traverse(LayerVector::StateSet state, const LayerVector::Visitor& visitor) {
+    visitor(this);
+    const LayerVector& children =
+            state == LayerVector::StateSet::Drawing ? mDrawingChildren : mCurrentChildren;
+    for (const sp<Layer>& child : children) {
+        child->traverse(state, visitor);
+    }
+}
+
 LayerVector Layer::makeChildrenTraversalList(LayerVector::StateSet stateSet,
                                              const std::vector<Layer*>& layersInTree) {
     LOG_ALWAYS_FATAL_IF(stateSet == LayerVector::StateSet::Invalid,
@@ -1770,7 +2062,7 @@ void Layer::traverseChildrenInZOrderInner(const std::vector<Layer*>& layersInTre
     size_t i = 0;
     for (; i < list.size(); i++) {
         const auto& relative = list[i];
-        if (relative->getZ() >= 0) {
+        if (relative->getZ(stateSet) >= 0) {
             break;
         }
         relative->traverseChildrenInZOrderInner(layersInTree, stateSet, visitor);
@@ -1815,11 +2107,25 @@ half Layer::getAlpha() const {
     return parentAlpha * getDrawingState().color.a;
 }
 
+ui::Transform::RotationFlags Layer::getFixedTransformHint() const {
+    ui::Transform::RotationFlags fixedTransformHint = mCurrentState.fixedTransformHint;
+    if (fixedTransformHint != ui::Transform::ROT_INVALID) {
+        return fixedTransformHint;
+    }
+    const auto& p = mCurrentParent.promote();
+    if (!p) return fixedTransformHint;
+    return p->getFixedTransformHint();
+}
+
 half4 Layer::getColor() const {
     const half4 color(getDrawingState().color);
     return half4(color.r, color.g, color.b, getAlpha());
 }
 
+int32_t Layer::getBackgroundBlurRadius() const {
+    return getDrawingState().backgroundBlurRadius;
+}
+
 Layer::RoundedCornerState Layer::getRoundedCornerState() const {
     const auto& p = mDrawingParent.promote();
     if (p != nullptr) {
@@ -1832,7 +2138,9 @@ Layer::RoundedCornerState Layer::getRoundedCornerState() const {
             // but a transform matrix can define horizontal and vertical scales.
             // Let's take the average between both of them and pass into the shader, practically we
             // never do this type of transformation on windows anyway.
-            parentState.radius *= (t[0][0] + t[1][1]) / 2.0f;
+            auto scaleX = sqrtf(t[0][0] * t[0][0] + t[0][1] * t[0][1]);
+            auto scaleY = sqrtf(t[1][0] * t[1][0] + t[1][1] * t[1][1]);
+            parentState.radius *= (scaleX + scaleY) / 2.0f;
             return parentState;
         }
     }
@@ -1842,6 +2150,18 @@ Layer::RoundedCornerState Layer::getRoundedCornerState() const {
             : RoundedCornerState();
 }
 
+renderengine::ShadowSettings Layer::getShadowSettings(const Rect& viewport) const {
+    renderengine::ShadowSettings state = mFlinger->mDrawingState.globalShadowSettings;
+
+    // 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 = (viewport.width() / 2.f) - mScreenBounds.left;
+    state.lightPos.y -= mScreenBounds.top;
+
+    state.length = mEffectiveShadowRadius;
+    return state;
+}
+
 void Layer::commitChildList() {
     for (size_t i = 0; i < mCurrentChildren.size(); i++) {
         const auto& child = mCurrentChildren[i];
@@ -1874,7 +2194,29 @@ void Layer::setInputInfo(const InputWindowInfo& info) {
     setTransactionFlags(eTransactionNeeded);
 }
 
-void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags) const {
+LayerProto* Layer::writeToProto(LayersProto& layersProto, uint32_t traceFlags,
+                                const DisplayDevice* display) const {
+    LayerProto* layerProto = layersProto.add_layers();
+    writeToProtoDrawingState(layerProto, traceFlags, display);
+    writeToProtoCommonState(layerProto, LayerVector::StateSet::Drawing, traceFlags);
+
+    if (traceFlags & SurfaceTracing::TRACE_COMPOSITION) {
+        // Only populate for the primary display.
+        if (display) {
+            const Hwc2::IComposerClient::Composition compositionType = getCompositionType(*display);
+            layerProto->set_hwc_composition_type(static_cast<HwcCompositionType>(compositionType));
+        }
+    }
+
+    for (const sp<Layer>& layer : mDrawingChildren) {
+        layer->writeToProto(layersProto, traceFlags, display);
+    }
+
+    return layerProto;
+}
+
+void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags,
+                                     const DisplayDevice* display) const {
     ui::Transform transform = getTransform();
 
     if (traceFlags & SurfaceTracing::TRACE_CRITICAL) {
@@ -1887,17 +2229,16 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags)
             }
         }
 
-        auto buffer = mActiveBuffer;
+        auto buffer = getBuffer();
         if (buffer != nullptr) {
             LayerProtoHelper::writeToProto(buffer,
                                            [&]() { return layerInfo->mutable_active_buffer(); });
-            LayerProtoHelper::writeToProto(ui::Transform(mCurrentTransform),
+            LayerProtoHelper::writeToProto(ui::Transform(getBufferTransform()),
                                            layerInfo->mutable_buffer_transform());
         }
         layerInfo->set_invalidate(contentDirty);
         layerInfo->set_is_protected(isProtected());
-        layerInfo->set_dataspace(
-                dataspaceDetails(static_cast<android_dataspace>(mCurrentDataSpace)));
+        layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(getDataSpace())));
         layerInfo->set_queued_frames(getQueuedFrameCount());
         layerInfo->set_refresh_pending(isBufferLatched());
         layerInfo->set_curr_frame(mCurrentFrameNumber);
@@ -1908,18 +2249,26 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags)
         LayerProtoHelper::writePositionToProto(transform.tx(), transform.ty(),
                                                [&]() { return layerInfo->mutable_position(); });
         LayerProtoHelper::writeToProto(mBounds, [&]() { return layerInfo->mutable_bounds(); });
-        LayerProtoHelper::writeToProto(visibleRegion,
-                                       [&]() { return layerInfo->mutable_visible_region(); });
+        if (traceFlags & SurfaceTracing::TRACE_COMPOSITION) {
+            LayerProtoHelper::writeToProto(getVisibleRegion(display),
+                                           [&]() { return layerInfo->mutable_visible_region(); });
+        }
         LayerProtoHelper::writeToProto(surfaceDamageRegion,
                                        [&]() { return layerInfo->mutable_damage_region(); });
-    }
 
-    if (traceFlags & SurfaceTracing::TRACE_EXTRA) {
-        LayerProtoHelper::writeToProto(mSourceBounds,
-                                       [&]() { return layerInfo->mutable_source_bounds(); });
-        LayerProtoHelper::writeToProto(mScreenBounds,
-                                       [&]() { return layerInfo->mutable_screen_bounds(); });
+        if (hasColorTransform()) {
+            LayerProtoHelper::writeToProto(getColorTransform(),
+                                           layerInfo->mutable_color_transform());
+        }
     }
+
+    LayerProtoHelper::writeToProto(mSourceBounds,
+                                   [&]() { return layerInfo->mutable_source_bounds(); });
+    LayerProtoHelper::writeToProto(mScreenBounds,
+                                   [&]() { return layerInfo->mutable_screen_bounds(); });
+    LayerProtoHelper::writeToProto(getRoundedCornerState().cropRect,
+                                   [&]() { return layerInfo->mutable_corner_radius_crop(); });
+    layerInfo->set_shadow_radius(mEffectiveShadowRadius);
 }
 
 void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet stateSet,
@@ -1933,7 +2282,7 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
     if (traceFlags & SurfaceTracing::TRACE_CRITICAL) {
         layerInfo->set_id(sequence);
         layerInfo->set_name(getName().c_str());
-        layerInfo->set_type(String8(getTypeId()));
+        layerInfo->set_type(getType());
 
         for (const auto& child : children) {
             layerInfo->add_children(child->sequence);
@@ -1988,6 +2337,8 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
         } else {
             layerInfo->set_z_order_relative_of(-1);
         }
+
+        layerInfo->set_is_relative_of(state.isRelativeOf);
     }
 
     if (traceFlags & SurfaceTracing::TRACE_INPUT) {
@@ -2003,41 +2354,23 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
     }
 }
 
-void Layer::writeToProtoCompositionState(LayerProto* layerInfo,
-                                         const sp<DisplayDevice>& displayDevice,
-                                         uint32_t traceFlags) const {
-    auto outputLayer = findOutputLayerForDisplay(displayDevice);
-    if (!outputLayer) {
-        return;
-    }
-
-    writeToProtoDrawingState(layerInfo, traceFlags);
-    writeToProtoCommonState(layerInfo, LayerVector::StateSet::Drawing, traceFlags);
-
-    const auto& compositionState = outputLayer->getState();
-
-    const Rect& frame = compositionState.displayFrame;
-    LayerProtoHelper::writeToProto(frame, [&]() { return layerInfo->mutable_hwc_frame(); });
-
-    const FloatRect& crop = compositionState.sourceCrop;
-    LayerProtoHelper::writeToProto(crop, [&]() { return layerInfo->mutable_hwc_crop(); });
-
-    const int32_t transform =
-            getCompositionLayer() ? static_cast<int32_t>(compositionState.bufferTransform) : 0;
-    layerInfo->set_hwc_transform(transform);
-
-    const int32_t compositionType =
-            static_cast<int32_t>(compositionState.hwc ? (*compositionState.hwc).hwcCompositionType
-                                                      : Hwc2::IComposerClient::Composition::CLIENT);
-    layerInfo->set_hwc_composition_type(compositionType);
-}
-
 bool Layer::isRemovedFromCurrentState() const  {
     return mRemovedFromCurrentState;
 }
 
 InputWindowInfo Layer::fillInputInfo() {
+    if (!hasInputInfo()) {
+        mDrawingState.inputInfo.name = getName();
+        mDrawingState.inputInfo.ownerUid = mCallingUid;
+        mDrawingState.inputInfo.ownerPid = mCallingPid;
+        mDrawingState.inputInfo.inputFeatures =
+            InputWindowInfo::INPUT_FEATURE_NO_INPUT_CHANNEL;
+        mDrawingState.inputInfo.layoutParamsFlags = InputWindowInfo::FLAG_NOT_TOUCH_MODAL;
+        mDrawingState.inputInfo.displayId = getLayerStack();
+    }
+
     InputWindowInfo info = mDrawingState.inputInfo;
+    info.id = sequence;
 
     if (info.displayId == ADISPLAY_ID_NONE) {
         info.displayId = getLayerStack();
@@ -2081,7 +2414,15 @@ InputWindowInfo Layer::fillInputInfo() {
     // Position the touchable region relative to frame screen location and restrict it to frame
     // bounds.
     info.touchableRegion = info.touchableRegion.translate(info.frameLeft, info.frameTop);
-    info.visible = canReceiveInput();
+    // For compatibility reasons we let layers which can receive input
+    // receive input before they have actually submitted a buffer. Because
+    // of this we use canReceiveInput instead of isVisible to check the
+    // policy-visibility, ignoring the buffer state. However for layers with
+    // hasInputInfo()==false we can use the real visibility state.
+    // We are just using these layers for occlusion detection in
+    // InputDispatcher, and obviously if they aren't visible they can't occlude
+    // anything.
+    info.visible = hasInputInfo() ? canReceiveInput() : isVisible();
 
     auto cropLayer = mDrawingState.touchableRegionCrop.promote();
     if (info.replaceTouchableRegionWithCrop) {
@@ -2094,15 +2435,31 @@ InputWindowInfo Layer::fillInputInfo() {
         info.touchableRegion = info.touchableRegion.intersect(Rect{cropLayer->mScreenBounds});
     }
 
+    // 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()) {
+        sp<Layer> clonedRoot = getClonedRoot();
+        if (clonedRoot != nullptr) {
+            Rect rect(clonedRoot->mScreenBounds);
+            info.touchableRegion = info.touchableRegion.intersect(rect);
+        }
+    }
+
     return info;
 }
 
-bool Layer::hasInput() const {
-    return mDrawingState.inputInfo.token != nullptr;
+sp<Layer> Layer::getClonedRoot() {
+    if (mClonedChild != nullptr) {
+        return this;
+    }
+    if (mDrawingParent == nullptr || mDrawingParent.promote() == nullptr) {
+        return nullptr;
+    }
+    return mDrawingParent.promote()->getClonedRoot();
 }
 
-std::shared_ptr<compositionengine::Layer> Layer::getCompositionLayer() const {
-    return nullptr;
+bool Layer::hasInputInfo() const {
+    return mDrawingState.inputInfo.token != nullptr;
 }
 
 bool Layer::canReceiveInput() const {
@@ -2110,8 +2467,159 @@ bool Layer::canReceiveInput() const {
 }
 
 compositionengine::OutputLayer* Layer::findOutputLayerForDisplay(
-        const sp<const DisplayDevice>& display) const {
-    return display->getCompositionDisplay()->getOutputLayerForLayer(getCompositionLayer().get());
+        const DisplayDevice* display) const {
+    if (!display) return nullptr;
+    return display->getCompositionDisplay()->getOutputLayerForLayer(getCompositionEngineLayerFE());
+}
+
+Region Layer::getVisibleRegion(const DisplayDevice* display) const {
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    return outputLayer ? outputLayer->getState().visibleRegion : Region();
+}
+
+void Layer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
+    // copy drawing state from cloned layer
+    mDrawingState = clonedFrom->mDrawingState;
+    mClonedFrom = clonedFrom;
+}
+
+void Layer::updateMirrorInfo() {
+    if (mClonedChild == nullptr || !mClonedChild->isClonedFromAlive()) {
+        // If mClonedChild is null, there is nothing to mirror. If isClonedFromAlive returns false,
+        // it means that there is a clone, but the layer it was cloned from has been destroyed. In
+        // that case, we want to delete the reference to the clone since we want it to get
+        // destroyed. The root, this layer, will still be around since the client can continue
+        // to hold a reference, but no cloned layers will be displayed.
+        mClonedChild = nullptr;
+        return;
+    }
+
+    std::map<sp<Layer>, sp<Layer>> clonedLayersMap;
+    // If the real layer exists and is in current state, add the clone as a child of the root.
+    // There's no need to remove from drawingState when the layer is offscreen since currentState is
+    // copied to drawingState for the root layer. So the clonedChild is always removed from
+    // drawingState and then needs to be added back each traversal.
+    if (!mClonedChild->getClonedFrom()->isRemovedFromCurrentState()) {
+        addChildToDrawing(mClonedChild);
+    }
+
+    mClonedChild->updateClonedDrawingState(clonedLayersMap);
+    mClonedChild->updateClonedChildren(this, clonedLayersMap);
+    mClonedChild->updateClonedRelatives(clonedLayersMap);
+}
+
+void Layer::updateClonedDrawingState(std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
+    // If the layer the clone was cloned from is alive, copy the content of the drawingState
+    // to the clone. If the real layer is no longer alive, continue traversing the children
+    // since we may be able to pull out other children that are still alive.
+    if (isClonedFromAlive()) {
+        sp<Layer> clonedFrom = getClonedFrom();
+        mDrawingState = clonedFrom->mDrawingState;
+        clonedLayersMap.emplace(clonedFrom, this);
+    }
+
+    // The clone layer may have children in drawingState since they may have been created and
+    // added from a previous request to updateMirorInfo. This is to ensure we don't recreate clones
+    // that already exist, since we can just re-use them.
+    // The drawingChildren will not get overwritten by the currentChildren since the clones are
+    // not updated in the regular traversal. They are skipped since the root will lose the
+    // reference to them when it copies its currentChildren to drawing.
+    for (sp<Layer>& child : mDrawingChildren) {
+        child->updateClonedDrawingState(clonedLayersMap);
+    }
+}
+
+void Layer::updateClonedChildren(const sp<Layer>& mirrorRoot,
+                                 std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
+    mDrawingChildren.clear();
+
+    if (!isClonedFromAlive()) {
+        return;
+    }
+
+    sp<Layer> clonedFrom = getClonedFrom();
+    for (sp<Layer>& child : clonedFrom->mDrawingChildren) {
+        if (child == mirrorRoot) {
+            // This is to avoid cyclical mirroring.
+            continue;
+        }
+        sp<Layer> clonedChild = clonedLayersMap[child];
+        if (clonedChild == nullptr) {
+            clonedChild = child->createClone();
+            clonedLayersMap[child] = clonedChild;
+        }
+        addChildToDrawing(clonedChild);
+        clonedChild->updateClonedChildren(mirrorRoot, clonedLayersMap);
+    }
+}
+
+void Layer::updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
+    auto cropLayer = mDrawingState.touchableRegionCrop.promote();
+    if (cropLayer != nullptr) {
+        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;
+        } else {
+            const sp<Layer>& clonedCropLayer = clonedLayersMap.at(cropLayer);
+            mDrawingState.touchableRegionCrop = clonedCropLayer;
+        }
+    }
+    // Cloned layers shouldn't handle watch outside since their z order is not determined by
+    // WM or the client.
+    mDrawingState.inputInfo.layoutParamsFlags &= ~InputWindowInfo::FLAG_WATCH_OUTSIDE_TOUCH;
+}
+
+void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
+    mDrawingState.zOrderRelativeOf = nullptr;
+    mDrawingState.zOrderRelatives.clear();
+
+    if (!isClonedFromAlive()) {
+        return;
+    }
+
+    const sp<Layer>& clonedFrom = getClonedFrom();
+    for (wp<Layer>& relativeWeak : clonedFrom->mDrawingState.zOrderRelatives) {
+        const sp<Layer>& relative = relativeWeak.promote();
+        if (clonedLayersMap.count(relative) > 0) {
+            auto& clonedRelative = clonedLayersMap.at(relative);
+            mDrawingState.zOrderRelatives.add(clonedRelative);
+        }
+    }
+
+    // Check if the relativeLayer for the real layer is part of the cloned hierarchy.
+    // It's possible that the layer it's relative to is outside the requested cloned hierarchy.
+    // In that case, we treat the layer as if the relativeOf has been removed. This way, it will
+    // still traverse the children, but the layer with the missing relativeOf will not be shown
+    // on screen.
+    const sp<Layer>& relativeOf = clonedFrom->mDrawingState.zOrderRelativeOf.promote();
+    if (clonedLayersMap.count(relativeOf) > 0) {
+        const sp<Layer>& clonedRelativeOf = clonedLayersMap.at(relativeOf);
+        mDrawingState.zOrderRelativeOf = clonedRelativeOf;
+    }
+
+    updateClonedInputInfo(clonedLayersMap);
+
+    for (sp<Layer>& child : mDrawingChildren) {
+        child->updateClonedRelatives(clonedLayersMap);
+    }
+}
+
+void Layer::addChildToDrawing(const sp<Layer>& layer) {
+    mDrawingChildren.add(layer);
+    layer->mDrawingParent = this;
+}
+
+Layer::FrameRateCompatibility Layer::FrameRate::convertCompatibility(int8_t compatibility) {
+    switch (compatibility) {
+        case ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT:
+            return FrameRateCompatibility::Default;
+        case ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE:
+            return FrameRateCompatibility::ExactOrMultiple;
+        default:
+            LOG_ALWAYS_FATAL("Invalid frame rate compatibility value %d", compatibility);
+            return FrameRateCompatibility::Default;
+    }
 }
 
 // ---------------------------------------------------------------------------
@@ -2125,3 +2633,6 @@ compositionengine::OutputLayer* Layer::findOutputLayerForDisplay(
 #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"