[Lut HAL backend] implementation 2nd patch

1. add gui/DisplayLuts.h structure. Mimic DisplayLuts.java.
2. add Lut parameter into Layer side. When SurfaceControl#setLuts is
   called, in native code, the lut information is passed to
   SurfaceFlinger and RenderEngine side via LayerState::eLutsChanged.
3. in OutputLayer::updateCompositionState, we compare the Lut
   requested from the app and the Lut from the HWC to decide GPU
   composition or not.
4. DPU or GPU composition? If the Lut from the app exactly matches the
   Lut from the hwc, do DPU. Otherwise, GPU composition instead.

Bug: 329472856
Test: libcompositionengine_test
Flag: NONE HAL backend interface change
Change-Id: I8295fe419c6237d90b7ff9f02f62bafd6cd2cecf
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
index 14a8fd6..8a91a07 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
@@ -19,6 +19,7 @@
 #include <cstdint>
 
 #include <android/gui/CachingHint.h>
+#include <gui/DisplayLuts.h>
 #include <gui/HdrMetadata.h>
 #include <math/mat4.h>
 #include <ui/BlurRegion.h>
@@ -219,6 +220,9 @@
     float desiredHdrSdrRatio = 1.f;
 
     gui::CachingHint cachingHint = gui::CachingHint::Enabled;
+
+    std::shared_ptr<gui::DisplayLuts> luts;
+
     virtual ~LayerFECompositionState();
 
     // Debugging
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
index 191d475..556aa24 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
@@ -329,6 +329,8 @@
     virtual bool isPowerHintSessionGpuReportingEnabled() = 0;
     virtual void cacheClientCompositionRequests(uint32_t cacheSize) = 0;
     virtual bool canPredictCompositionStrategy(const CompositionRefreshArgs&) = 0;
+    virtual const aidl::android::hardware::graphics::composer3::OverlayProperties*
+    getOverlaySupport() = 0;
 };
 
 } // namespace compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
index dcfe21a..80c5124 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
@@ -93,7 +93,10 @@
     // transform, if needed.
     virtual void updateCompositionState(
             bool includeGeometry, bool forceClientComposition,
-            ui::Transform::RotationFlags internalDisplayRotationFlags) = 0;
+            ui::Transform::RotationFlags internalDisplayRotationFlags,
+            const std::optional<std::vector<
+                    std::optional<aidl::android::hardware::graphics::composer3::LutProperties>>>
+                    properties) = 0;
 
     // Writes the geometry state to the HWC, or does nothing if this layer does
     // not use the HWC. If includeGeometry is false, the geometry state can be
@@ -129,8 +132,10 @@
     virtual void applyDeviceLayerRequest(Hwc2::IComposerClient::LayerRequest request) = 0;
 
     // Applies a HWC device layer lut
-    virtual void applyDeviceLayerLut(aidl::android::hardware::graphics::composer3::LutProperties,
-                                     ndk::ScopedFileDescriptor) = 0;
+    virtual void applyDeviceLayerLut(
+            ndk::ScopedFileDescriptor,
+            std::vector<std::pair<
+                    int, aidl::android::hardware::graphics::composer3::LutProperties>>) = 0;
 
     // Returns true if the composition settings scale pixels
     virtual bool needsFiltering() const = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
index a39abb4..d8466ff 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
@@ -103,6 +103,8 @@
     DisplayId mId;
     bool mIsDisconnected = false;
     Hwc2::PowerAdvisor* mPowerAdvisor = nullptr;
+    const aidl::android::hardware::graphics::composer3::OverlayProperties* getOverlaySupport()
+            override;
 };
 
 // This template factory function standardizes the implementation details of the
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index 9990a74..69e1efc 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -164,6 +164,8 @@
     bool mustRecompose() const;
 
     const std::string& getNamePlusId() const { return mNamePlusId; }
+    const aidl::android::hardware::graphics::composer3::OverlayProperties* getOverlaySupport()
+            override;
 
 private:
     void dirtyEntireOutput();
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
index 354a441..0c7e4dd 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
@@ -31,6 +31,8 @@
 
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 
+using aidl::android::hardware::graphics::composer3::LutProperties;
+
 namespace android::compositionengine {
 
 struct LayerFECompositionState;
@@ -48,7 +50,9 @@
     void uncacheBuffers(const std::vector<uint64_t>& bufferIdsToUncache) override;
 
     void updateCompositionState(bool includeGeometry, bool forceClientComposition,
-                                ui::Transform::RotationFlags) override;
+                                ui::Transform::RotationFlags,
+                                const std::optional<std::vector<std::optional<LutProperties>>>
+                                        properties = std::nullopt) override;
     void writeStateToHWC(bool includeGeometry, bool skipLayer, uint32_t z, bool zIsOverridden,
                          bool isPeekingThrough) override;
     void writeCursorPositionToHWC() const override;
@@ -60,8 +64,8 @@
             aidl::android::hardware::graphics::composer3::Composition) override;
     void prepareForDeviceLayerRequests() override;
     void applyDeviceLayerRequest(Hwc2::IComposerClient::LayerRequest request) override;
-    void applyDeviceLayerLut(aidl::android::hardware::graphics::composer3::LutProperties,
-                             ndk::ScopedFileDescriptor) override;
+    void applyDeviceLayerLut(ndk::ScopedFileDescriptor,
+                             std::vector<std::pair<int, LutProperties>>) override;
     bool needsFiltering() const override;
     std::optional<LayerFE::LayerSettings> getOverrideCompositionSettings() const override;
 
@@ -92,10 +96,13 @@
     void writeCompositionTypeToHWC(HWC2::Layer*,
                                    aidl::android::hardware::graphics::composer3::Composition,
                                    bool isPeekingThrough, bool skipLayer);
+    void writeLutToHWC(HWC2::Layer*, const LayerFECompositionState&);
     void detectDisallowedCompositionTypeChange(
             aidl::android::hardware::graphics::composer3::Composition from,
             aidl::android::hardware::graphics::composer3::Composition to) const;
     bool isClientCompositionForced(bool isPeekingThrough) const;
+    void updateLuts(std::shared_ptr<gui::DisplayLuts> luts,
+                    const std::optional<std::vector<std::optional<LutProperties>>>& properties);
 };
 
 // This template factory function standardizes the implementation details of the
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
index 6c419da..28216a4 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
@@ -18,6 +18,7 @@
 
 #include <compositionengine/ProjectionSpace.h>
 #include <compositionengine/impl/HwcBufferCache.h>
+#include <gui/DisplayLuts.h>
 #include <renderengine/ExternalTexture.h>
 #include <ui/FloatRect.h>
 #include <ui/GraphicTypes.h>
@@ -151,6 +152,9 @@
 
         // True when this layer was skipped as part of SF-side layer caching.
         bool layerSkipped = false;
+
+        // lut information
+        std::shared_ptr<gui::DisplayLuts> luts;
     };
 
     // The HWC state is optional, and is only set up if there is any potential
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
index d5bf2b5..33cdc54 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
@@ -140,6 +140,8 @@
     MOCK_METHOD(void, setHintSessionRequiresRenderEngine, (bool requiresRenderEngine));
     MOCK_METHOD(bool, isPowerHintSessionEnabled, ());
     MOCK_METHOD(bool, isPowerHintSessionGpuReportingEnabled, ());
+    MOCK_METHOD((const aidl::android::hardware::graphics::composer3::OverlayProperties*),
+                getOverlaySupport, ());
 };
 
 } // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
index 48c2f9c..12f2094 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
@@ -43,7 +43,10 @@
     MOCK_CONST_METHOD0(getState, const impl::OutputLayerCompositionState&());
     MOCK_METHOD0(editState, impl::OutputLayerCompositionState&());
 
-    MOCK_METHOD3(updateCompositionState, void(bool, bool, ui::Transform::RotationFlags));
+    MOCK_METHOD(void, updateCompositionState,
+                (bool, bool, ui::Transform::RotationFlags,
+                 (const std::optional<std::vector<std::optional<
+                          aidl::android::hardware::graphics::composer3::LutProperties>>>)));
     MOCK_METHOD5(writeStateToHWC, void(bool, bool, uint32_t, bool, bool));
     MOCK_CONST_METHOD0(writeCursorPositionToHWC, void());
 
@@ -57,8 +60,9 @@
     MOCK_CONST_METHOD0(needsFiltering, bool());
     MOCK_CONST_METHOD0(getOverrideCompositionSettings, std::optional<LayerFE::LayerSettings>());
     MOCK_METHOD(void, applyDeviceLayerLut,
-                (aidl::android::hardware::graphics::composer3::LutProperties,
-                 ndk::ScopedFileDescriptor));
+                (ndk::ScopedFileDescriptor,
+                 (std::vector<std::pair<
+                          int, aidl::android::hardware::graphics::composer3::LutProperties>>)));
 
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index b0164b7..1825065 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -370,8 +370,8 @@
 
         if (auto lutsIt = layerLuts.find(hwcLayer); lutsIt != layerLuts.end()) {
             if (auto mapperIt = mapper.find(hwcLayer); mapperIt != mapper.end()) {
-                layer->applyDeviceLayerLut(lutsIt->second,
-                                           ndk::ScopedFileDescriptor(mapperIt->second.release()));
+                layer->applyDeviceLayerLut(ndk::ScopedFileDescriptor(mapperIt->second.release()),
+                                           lutsIt->second);
             }
         }
     }
@@ -457,6 +457,11 @@
     mPowerAdvisor->setRequiresRenderEngine(mId, requiresRenderEngine);
 }
 
+const aidl::android::hardware::graphics::composer3::OverlayProperties*
+Display::getOverlaySupport() {
+    return &getCompositionEngine().getHwComposer().getOverlaySupport();
+}
+
 void Display::finishFrame(GpuCompositionResult&& result) {
     // We only need to actually compose the display if:
     // 1) It is being handled by hardware composer, which may need this to
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 2d8f98f..58c82db 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -813,11 +813,14 @@
     mLayerRequestingBackgroundBlur = findLayerRequestingBackgroundComposition();
     bool forceClientComposition = mLayerRequestingBackgroundBlur != nullptr;
 
+    auto* properties = getOverlaySupport();
+
     for (auto* layer : getOutputLayersOrderedByZ()) {
         layer->updateCompositionState(refreshArgs.updatingGeometryThisFrame,
                                       refreshArgs.devOptForceClientComposition ||
                                               forceClientComposition,
-                                      refreshArgs.internalDisplayRotationFlags);
+                                      refreshArgs.internalDisplayRotationFlags,
+                                      properties ? properties->lutProperties : std::nullopt);
 
         if (mLayerRequestingBackgroundBlur == layer) {
             forceClientComposition = false;
@@ -1689,6 +1692,10 @@
     editState().treat170mAsSrgb = enable;
 }
 
+const aidl::android::hardware::graphics::composer3::OverlayProperties* Output::getOverlaySupport() {
+    return nullptr;
+}
+
 bool Output::canPredictCompositionStrategy(const CompositionRefreshArgs& refreshArgs) {
     uint64_t lastOutputLayerHash = getState().lastOutputLayerHash;
     uint64_t outputLayerHash = getState().outputLayerHash;
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index 2d46dc0..934909d 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -38,7 +38,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion"
 
 using aidl::android::hardware::graphics::composer3::Composition;
-using aidl::android::hardware::graphics::composer3::LutProperties;
+using aidl::android::hardware::graphics::composer3::Luts;
 
 namespace android::compositionengine {
 
@@ -285,9 +285,50 @@
     return transform.getOrientation();
 }
 
+void OutputLayer::updateLuts(
+        std::shared_ptr<gui::DisplayLuts> layerFEStateLut,
+        const std::optional<std::vector<std::optional<LutProperties>>>& properties) {
+    auto& state = editState();
+
+    if (!properties) {
+        // GPU composition if no Hwc Luts
+        state.forceClientComposition = true;
+        return;
+    }
+
+    std::vector<LutProperties> hwcLutProperties;
+    for (auto& p : *properties) {
+        if (p) {
+            hwcLutProperties.emplace_back(*p);
+        }
+    }
+
+    for (const auto& inputLut : layerFEStateLut->lutProperties) {
+        bool foundInHwcLuts = false;
+        for (const auto& hwcLut : hwcLutProperties) {
+            if (static_cast<int32_t>(hwcLut.dimension) ==
+                        static_cast<int32_t>(inputLut.dimension) &&
+                hwcLut.size == inputLut.size &&
+                std::find(hwcLut.samplingKeys.begin(), hwcLut.samplingKeys.end(),
+                          static_cast<LutProperties::SamplingKey>(inputLut.samplingKey)) !=
+                        hwcLut.samplingKeys.end()) {
+                foundInHwcLuts = true;
+                break;
+            }
+        }
+        // if any lut properties of layerFEStateLut can not be found in hwcLutProperties,
+        // GPU composition instead
+        if (!foundInHwcLuts) {
+            state.forceClientComposition = true;
+            return;
+        }
+    }
+}
+
 void OutputLayer::updateCompositionState(
         bool includeGeometry, bool forceClientComposition,
-        ui::Transform::RotationFlags internalDisplayRotationFlags) {
+        ui::Transform::RotationFlags internalDisplayRotationFlags,
+        const std::optional<std::vector<std::optional<LutProperties>>> properties) {
     const auto* layerFEState = getLayerFE().getCompositionState();
     if (!layerFEState) {
         return;
@@ -368,6 +409,11 @@
         state.whitePointNits = layerBrightnessNits;
     }
 
+    const auto& layerFEStateLut = layerFEState->luts;
+    if (layerFEStateLut) {
+        updateLuts(layerFEStateLut, properties);
+    }
+
     // These are evaluated every frame as they can potentially change at any
     // time.
     if (layerFEState->forceClientComposition || !profile.isDataspaceSupported(state.dataspace) ||
@@ -420,6 +466,8 @@
     writeCompositionTypeToHWC(hwcLayer.get(), requestedCompositionType, isPeekingThrough,
                               skipLayer);
 
+    writeLutToHWC(hwcLayer.get(), *outputIndependentState);
+
     if (requestedCompositionType == Composition::SOLID_COLOR) {
         writeSolidColorStateToHWC(hwcLayer.get(), *outputIndependentState);
     }
@@ -513,6 +561,40 @@
     }
 }
 
+void OutputLayer::writeLutToHWC(HWC2::Layer* hwcLayer,
+                                const LayerFECompositionState& outputIndependentState) {
+    if (!outputIndependentState.luts) {
+        return;
+    }
+    auto& lutFileDescriptor = outputIndependentState.luts->getLutFileDescriptor();
+    auto lutOffsets = outputIndependentState.luts->offsets;
+    auto& lutProperties = outputIndependentState.luts->lutProperties;
+
+    std::vector<LutProperties> aidlProperties;
+    aidlProperties.reserve(lutProperties.size());
+    for (size_t i = 0; i < lutOffsets.size(); i++) {
+        LutProperties properties;
+        properties.dimension = static_cast<LutProperties::Dimension>(lutProperties[i].dimension);
+        properties.size = lutProperties[i].size;
+        properties.samplingKeys = {
+                static_cast<LutProperties::SamplingKey>(lutProperties[i].samplingKey)};
+        aidlProperties.emplace_back(properties);
+    }
+
+    Luts luts;
+    luts.pfd = ndk::ScopedFileDescriptor(dup(lutFileDescriptor.get()));
+    luts.offsets = lutOffsets;
+    luts.lutProperties = std::move(aidlProperties);
+
+    switch (auto error = hwcLayer->setLuts(luts)) {
+        case hal::Error::NONE:
+            break;
+        default:
+            ALOGE("[%s] Failed to set Luts: %s (%d)", getLayerFE().getDebugName(),
+                  to_string(error).c_str(), static_cast<int32_t>(error));
+    }
+}
+
 void OutputLayer::writeOutputDependentPerFrameStateToHWC(HWC2::Layer* hwcLayer) {
     const auto& outputDependentState = getState();
 
@@ -849,10 +931,29 @@
     }
 }
 
-void OutputLayer::applyDeviceLayerLut(LutProperties /*lutProperties*/,
-                                      ndk::ScopedFileDescriptor /*lutPfd*/) {
-    // TODO(b/329472856): decode the shared memory of the pfd, and store the lut data into
-    // OutputLayerCompositionState#hwc struct
+void OutputLayer::applyDeviceLayerLut(
+        ndk::ScopedFileDescriptor lutFileDescriptor,
+        std::vector<std::pair<int, LutProperties>> lutOffsetsAndProperties) {
+    auto& state = editState();
+    LOG_FATAL_IF(!state.hwc);
+    auto& hwcState = *state.hwc;
+    std::vector<int32_t> offsets;
+    std::vector<int32_t> dimensions;
+    std::vector<int32_t> sizes;
+    std::vector<int32_t> samplingKeys;
+    for (const auto& [offset, properties] : lutOffsetsAndProperties) {
+        // The Lut(s) that comes back through CommandResultPayload should be
+        // only one sampling key.
+        if (properties.samplingKeys.size() == 1) {
+            offsets.emplace_back(offset);
+            dimensions.emplace_back(static_cast<int32_t>(properties.dimension));
+            sizes.emplace_back(static_cast<int32_t>(properties.size));
+            samplingKeys.emplace_back(static_cast<int32_t>(properties.samplingKeys[0]));
+        }
+    }
+    hwcState.luts = std::make_shared<gui::DisplayLuts>(base::unique_fd(lutFileDescriptor.release()),
+                                                       std::move(offsets), std::move(dimensions),
+                                                       std::move(sizes), std::move(samplingKeys));
 }
 
 bool OutputLayer::needsFiltering() const {
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWC2.h b/services/surfaceflinger/CompositionEngine/tests/MockHWC2.h
index eb6e677..26b5f4a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWC2.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWC2.h
@@ -33,7 +33,7 @@
 #include "DisplayHardware/HWC2.h"
 
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
-#include <aidl/android/hardware/graphics/composer3/Lut.h>
+#include <aidl/android/hardware/graphics/composer3/Luts.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
@@ -78,7 +78,7 @@
                  Error(const std::string&, bool, const std::vector<uint8_t>&));
     MOCK_METHOD1(setBrightness, Error(float));
     MOCK_METHOD1(setBlockingRegion, Error(const android::Region&));
-    MOCK_METHOD(Error, setLuts, (std::vector<aidl::android::hardware::graphics::composer3::Lut>&));
+    MOCK_METHOD(Error, setLuts, (aidl::android::hardware::graphics::composer3::Luts&));
 };
 
 } // namespace mock
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index c34168d..e3a799c 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -786,17 +786,20 @@
     InjectedLayer layer3;
 
     uint32_t z = 0;
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_180));
+    EXPECT_CALL(*layer1.outputLayer,
+                updateCompositionState(false, false, ui::Transform::ROT_180, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_180));
+    EXPECT_CALL(*layer2.outputLayer,
+                updateCompositionState(false, false, ui::Transform::ROT_180, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer2.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_180));
+    EXPECT_CALL(*layer3.outputLayer,
+                updateCompositionState(false, false, ui::Transform::ROT_180, _));
     EXPECT_CALL(*layer3.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
@@ -823,17 +826,17 @@
     InjectedLayer layer3;
 
     uint32_t z = 0;
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ true, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ true, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer2.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer3.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ true, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
@@ -859,17 +862,17 @@
     InjectedLayer layer3;
 
     uint32_t z = 0;
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer2.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer3.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
@@ -897,11 +900,11 @@
     InjectedLayer layer3;
 
     InSequence seq;
-    EXPECT_CALL(*layer0.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer0.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
+    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(true, false, ui::Transform::ROT_0, _));
 
     uint32_t z = 0;
     EXPECT_CALL(*layer0.outputLayer,
@@ -5066,12 +5069,12 @@
 
     uint32_t z = 0;
     // Layer requesting blur, or below, should request client composition, unless opaque.
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
@@ -5100,17 +5103,17 @@
 
     uint32_t z = 0;
     // Layer requesting blur, or below, should request client composition.
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer2.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer3.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
@@ -5140,17 +5143,17 @@
 
     uint32_t z = 0;
     // Layer requesting blur, or below, should request client composition.
-    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer1.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer1.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer1.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer2.outputLayer, updateCompositionState(false, true, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer2.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));
     EXPECT_CALL(*layer2.outputLayer, requiresClientComposition()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0));
+    EXPECT_CALL(*layer3.outputLayer, updateCompositionState(false, false, ui::Transform::ROT_0, _));
     EXPECT_CALL(*layer3.outputLayer,
                 writeStateToHWC(/*includeGeometry*/ false, /*skipLayer*/ false, z++,
                                 /*zIsOverridden*/ false, /*isPeekingThrough*/ false));