SF: Intro CE::OutputLayer
Introduce compositionengine::OutputLayer, for representing the
composition state of a layer on an output (display)
This change just introduces the OutputLayer class, and modifies
SurfaceFlinger.cpp to create them properly. The new class does not yet
have any state.
Test: atest libsurfaceflinger_unittest libcompositionengine_test
Bug: 121291683
Change-Id: Ic8fe0fee61470b36539287883d4901b25208b634
diff --git a/services/surfaceflinger/CompositionEngine/Android.bp b/services/surfaceflinger/CompositionEngine/Android.bp
index 564bd5b..1651cc4 100644
--- a/services/surfaceflinger/CompositionEngine/Android.bp
+++ b/services/surfaceflinger/CompositionEngine/Android.bp
@@ -44,6 +44,7 @@
"src/Layer.cpp",
"src/Output.cpp",
"src/OutputCompositionState.cpp",
+ "src/OutputLayer.cpp",
"src/RenderSurface.cpp",
],
local_include_dirs: ["include"],
@@ -61,6 +62,7 @@
"mock/Layer.cpp",
"mock/LayerFE.cpp",
"mock/Output.cpp",
+ "mock/OutputLayer.cpp",
"mock/RenderSurface.cpp",
],
static_libs: [
@@ -83,6 +85,7 @@
"tests/LayerTest.cpp",
"tests/MockHWComposer.cpp",
"tests/OutputTest.cpp",
+ "tests/OutputLayerTest.cpp",
"tests/RenderSurfaceTest.cpp",
],
static_libs: [
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
index ab54b5d..84b2423 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
@@ -23,11 +23,15 @@
#include <ui/GraphicTypes.h>
#include <ui/Region.h>
#include <ui/Transform.h>
+#include <utils/StrongPointer.h>
namespace android::compositionengine {
class DisplayColorProfile;
+class Layer;
+class LayerFE;
class RenderSurface;
+class OutputLayer;
namespace impl {
struct OutputCompositionState;
@@ -38,6 +42,8 @@
*/
class Output {
public:
+ using OutputLayers = std::vector<std::unique_ptr<compositionengine::OutputLayer>>;
+
virtual ~Output();
// Returns true if the output is valid. This is meant to be checked post-
@@ -104,6 +110,22 @@
// this output allows that.
virtual bool belongsInOutput(uint32_t layerStackId, bool internalOnly) const = 0;
+ // Returns a pointer to the output layer corresponding to the given layer on
+ // this output, or nullptr if the layer does not have one
+ virtual OutputLayer* getOutputLayerForLayer(Layer*) const = 0;
+
+ // Gets the OutputLayer corresponding to the input Layer instance from the
+ // current ordered set of output layers. If there is no such layer, a new
+ // one is created and returned.
+ virtual std::unique_ptr<OutputLayer> getOrCreateOutputLayer(std::shared_ptr<Layer>,
+ sp<LayerFE>) = 0;
+
+ // Sets the new ordered set of output layers for this output
+ virtual void setOutputLayersOrderedByZ(OutputLayers&&) = 0;
+
+ // Gets the ordered set of output layers for this output
+ virtual const OutputLayers& getOutputLayersOrderedByZ() const = 0;
+
protected:
virtual void setDisplayColorProfile(std::unique_ptr<DisplayColorProfile>) = 0;
virtual void setRenderSurface(std::unique_ptr<RenderSurface>) = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
new file mode 100644
index 0000000..4b8ef38
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utils/StrongPointer.h>
+
+namespace android::compositionengine {
+
+class Output;
+class Layer;
+class LayerFE;
+
+/**
+ * An output layer contains the output-dependent composition state for a layer
+ */
+class OutputLayer {
+public:
+ virtual ~OutputLayer();
+
+ // Gets the output which owns this output layer
+ virtual const Output& getOutput() const = 0;
+
+ // Gets the display-independent layer which this output layer represents
+ virtual Layer& getLayer() const = 0;
+
+ // Gets the front-end layer interface this output layer represents
+ virtual LayerFE& getLayerFE() const = 0;
+};
+
+} // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index 1e51c5e..3fd057c 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -17,6 +17,8 @@
#pragma once
#include <memory>
+#include <utility>
+#include <vector>
#include <compositionengine/Output.h>
#include <compositionengine/impl/OutputCompositionState.h>
@@ -24,6 +26,8 @@
namespace android::compositionengine {
class CompositionEngine;
+class Layer;
+class OutputLayer;
namespace impl {
@@ -60,6 +64,13 @@
Region getDirtyRegion(bool repaintEverything) const override;
bool belongsInOutput(uint32_t, bool) const override;
+ compositionengine::OutputLayer* getOutputLayerForLayer(
+ compositionengine::Layer*) const override;
+ std::unique_ptr<compositionengine::OutputLayer> getOrCreateOutputLayer(
+ std::shared_ptr<compositionengine::Layer>, sp<LayerFE>) override;
+ void setOutputLayersOrderedByZ(OutputLayers&&) override;
+ const OutputLayers& getOutputLayersOrderedByZ() const override;
+
// Testing
void setDisplayColorProfileForTest(std::unique_ptr<compositionengine::DisplayColorProfile>);
void setRenderSurfaceForTest(std::unique_ptr<compositionengine::RenderSurface>);
@@ -79,6 +90,8 @@
std::unique_ptr<compositionengine::DisplayColorProfile> mDisplayColorProfile;
std::unique_ptr<compositionengine::RenderSurface> mRenderSurface;
+
+ OutputLayers mOutputLayersOrderedByZ;
};
} // namespace impl
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
new file mode 100644
index 0000000..f3d0258
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <compositionengine/OutputLayer.h>
+
+namespace android::compositionengine::impl {
+
+class OutputLayer : public compositionengine::OutputLayer {
+public:
+ OutputLayer(const compositionengine::Output&, std::shared_ptr<compositionengine::Layer>,
+ sp<compositionengine::LayerFE>);
+ ~OutputLayer() override;
+
+ const compositionengine::Output& getOutput() const override;
+ compositionengine::Layer& getLayer() const override;
+ compositionengine::LayerFE& getLayerFE() const override;
+
+private:
+ const compositionengine::Output& mOutput;
+ std::shared_ptr<compositionengine::Layer> mLayer;
+ sp<compositionengine::LayerFE> mLayerFE;
+};
+
+std::unique_ptr<compositionengine::OutputLayer> createOutputLayer(
+ const compositionengine::Output&, std::shared_ptr<compositionengine::Layer>,
+ sp<compositionengine::LayerFE>);
+
+} // namespace android::compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
index e767ad3..2972ad7 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
@@ -17,7 +17,10 @@
#pragma once
#include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/Layer.h>
+#include <compositionengine/LayerFE.h>
#include <compositionengine/Output.h>
+#include <compositionengine/OutputLayer.h>
#include <compositionengine/RenderSurface.h>
#include <compositionengine/impl/OutputCompositionState.h>
#include <gmock/gmock.h>
@@ -55,6 +58,15 @@
MOCK_CONST_METHOD1(getDirtyRegion, Region(bool));
MOCK_CONST_METHOD2(belongsInOutput, bool(uint32_t, bool));
+
+ MOCK_CONST_METHOD1(getOutputLayerForLayer,
+ compositionengine::OutputLayer*(compositionengine::Layer*));
+ MOCK_METHOD2(getOrCreateOutputLayer,
+ std::unique_ptr<compositionengine::OutputLayer>(
+ std::shared_ptr<compositionengine::Layer>,
+ sp<compositionengine::LayerFE>));
+ MOCK_METHOD1(setOutputLayersOrderedByZ, void(OutputLayers&&));
+ MOCK_CONST_METHOD0(getOutputLayersOrderedByZ, OutputLayers&());
};
} // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
new file mode 100644
index 0000000..f5e5026
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <compositionengine/Layer.h>
+#include <compositionengine/LayerFE.h>
+#include <compositionengine/Output.h>
+#include <compositionengine/OutputLayer.h>
+#include <gmock/gmock.h>
+
+namespace android::compositionengine::mock {
+
+class OutputLayer : public compositionengine::OutputLayer {
+public:
+ OutputLayer();
+ virtual ~OutputLayer();
+
+ MOCK_CONST_METHOD0(getOutput, const compositionengine::Output&());
+ MOCK_CONST_METHOD0(getLayer, compositionengine::Layer&());
+ MOCK_CONST_METHOD0(getLayerFE, compositionengine::LayerFE&());
+};
+
+} // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/mock/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/mock/OutputLayer.cpp
new file mode 100644
index 0000000..4da9377
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/mock/OutputLayer.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <compositionengine/mock/OutputLayer.h>
+
+namespace android::compositionengine::mock {
+
+// The Google Mock documentation recommends explicit non-header instantiations
+// for better compile time performance.
+OutputLayer::OutputLayer() = default;
+OutputLayer::~OutputLayer() = default;
+
+} // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 2d458bf..f6c1a33 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -17,8 +17,10 @@
#include <android-base/stringprintf.h>
#include <compositionengine/CompositionEngine.h>
#include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/LayerFE.h>
#include <compositionengine/RenderSurface.h>
#include <compositionengine/impl/Output.h>
+#include <compositionengine/impl/OutputLayer.h>
#include <ui/DebugUtils.h>
namespace android::compositionengine {
@@ -182,6 +184,34 @@
return (layerStackId == mState.layerStackId) && (!internalOnly || mState.layerStackInternal);
}
+compositionengine::OutputLayer* Output::getOutputLayerForLayer(
+ compositionengine::Layer* layer) const {
+ for (const auto& outputLayer : mOutputLayersOrderedByZ) {
+ if (outputLayer && &outputLayer->getLayer() == layer) {
+ return outputLayer.get();
+ }
+ }
+ return nullptr;
+}
+
+std::unique_ptr<compositionengine::OutputLayer> Output::getOrCreateOutputLayer(
+ std::shared_ptr<compositionengine::Layer> layer, sp<compositionengine::LayerFE> layerFE) {
+ for (auto& outputLayer : mOutputLayersOrderedByZ) {
+ if (outputLayer && &outputLayer->getLayer() == layer.get()) {
+ return std::move(outputLayer);
+ }
+ }
+ return createOutputLayer(*this, layer, layerFE);
+}
+
+void Output::setOutputLayersOrderedByZ(OutputLayers&& layers) {
+ mOutputLayersOrderedByZ = std::move(layers);
+}
+
+const Output::OutputLayers& Output::getOutputLayersOrderedByZ() const {
+ return mOutputLayersOrderedByZ;
+}
+
void Output::dirtyEntireOutput() {
mState.dirtyRegion.set(mState.bounds);
}
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
new file mode 100644
index 0000000..e95f3a6
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <compositionengine/Layer.h>
+#include <compositionengine/LayerFE.h>
+#include <compositionengine/Output.h>
+#include <compositionengine/impl/OutputLayer.h>
+
+namespace android::compositionengine {
+
+OutputLayer::~OutputLayer() = default;
+
+namespace impl {
+
+std::unique_ptr<compositionengine::OutputLayer> createOutputLayer(
+ const compositionengine::Output& display, std::shared_ptr<compositionengine::Layer> layer,
+ sp<compositionengine::LayerFE> layerFE) {
+ return std::make_unique<OutputLayer>(display, layer, layerFE);
+}
+
+OutputLayer::OutputLayer(const Output& output, std::shared_ptr<Layer> layer, sp<LayerFE> layerFE)
+ : mOutput(output), mLayer(layer), mLayerFE(layerFE) {}
+
+OutputLayer::~OutputLayer() = default;
+
+const compositionengine::Output& OutputLayer::getOutput() const {
+ return mOutput;
+}
+
+compositionengine::Layer& OutputLayer::getLayer() const {
+ return *mLayer;
+}
+
+compositionengine::LayerFE& OutputLayer::getLayerFE() const {
+ return *mLayerFE;
+}
+
+} // namespace impl
+} // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
new file mode 100644
index 0000000..0a929ac
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <compositionengine/impl/OutputLayer.h>
+#include <compositionengine/mock/Layer.h>
+#include <compositionengine/mock/LayerFE.h>
+#include <compositionengine/mock/Output.h>
+#include <gtest/gtest.h>
+
+namespace android::compositionengine {
+namespace {
+
+using testing::StrictMock;
+
+class OutputLayerTest : public testing::Test {
+public:
+ ~OutputLayerTest() override = default;
+
+ compositionengine::mock::Output mOutput;
+ std::shared_ptr<compositionengine::mock::Layer> mLayer{
+ new StrictMock<compositionengine::mock::Layer>()};
+ sp<compositionengine::mock::LayerFE> mLayerFE{
+ new StrictMock<compositionengine::mock::LayerFE>()};
+ impl::OutputLayer mOutputLayer{mOutput, mLayer, mLayerFE};
+};
+
+/* ------------------------------------------------------------------------
+ * Basic construction
+ */
+
+TEST_F(OutputLayerTest, canInstantiateOutputLayer) {}
+
+} // namespace
+} // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index 0df1dab..314d98b 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -19,6 +19,9 @@
#include <compositionengine/impl/Output.h>
#include <compositionengine/mock/CompositionEngine.h>
#include <compositionengine/mock/DisplayColorProfile.h>
+#include <compositionengine/mock/Layer.h>
+#include <compositionengine/mock/LayerFE.h>
+#include <compositionengine/mock/OutputLayer.h>
#include <compositionengine/mock/RenderSurface.h>
#include <gtest/gtest.h>
#include <ui/Rect.h>
@@ -267,5 +270,84 @@
EXPECT_FALSE(mOutput.belongsInOutput(layerStack2, false));
}
+/* ------------------------------------------------------------------------
+ * Output::getOutputLayerForLayer()
+ */
+
+TEST_F(OutputTest, getOutputLayerForLayerWorks) {
+ mock::OutputLayer* outputLayer1 = new StrictMock<mock::OutputLayer>();
+ mock::OutputLayer* outputLayer2 = new StrictMock<mock::OutputLayer>();
+
+ Output::OutputLayers outputLayers;
+ outputLayers.emplace_back(std::unique_ptr<OutputLayer>(outputLayer1));
+ outputLayers.emplace_back(nullptr);
+ outputLayers.emplace_back(std::unique_ptr<OutputLayer>(outputLayer2));
+ mOutput.setOutputLayersOrderedByZ(std::move(outputLayers));
+
+ StrictMock<mock::Layer> layer;
+ StrictMock<mock::Layer> otherLayer;
+
+ // If the input layer matches the first OutputLayer, it will be returned.
+ EXPECT_CALL(*outputLayer1, getLayer()).WillOnce(ReturnRef(layer));
+ EXPECT_EQ(outputLayer1, mOutput.getOutputLayerForLayer(&layer));
+
+ // If the input layer matches the second OutputLayer, it will be returned.
+ EXPECT_CALL(*outputLayer1, getLayer()).WillOnce(ReturnRef(otherLayer));
+ EXPECT_CALL(*outputLayer2, getLayer()).WillOnce(ReturnRef(layer));
+ EXPECT_EQ(outputLayer2, mOutput.getOutputLayerForLayer(&layer));
+
+ // If the input layer does not match an output layer, null will be returned.
+ EXPECT_CALL(*outputLayer1, getLayer()).WillOnce(ReturnRef(otherLayer));
+ EXPECT_CALL(*outputLayer2, getLayer()).WillOnce(ReturnRef(otherLayer));
+ EXPECT_EQ(nullptr, mOutput.getOutputLayerForLayer(&layer));
+}
+
+/* ------------------------------------------------------------------------
+ * Output::getOrCreateOutputLayer()
+ */
+
+TEST_F(OutputTest, getOrCreateOutputLayerWorks) {
+ mock::OutputLayer* existingOutputLayer = new StrictMock<mock::OutputLayer>();
+
+ Output::OutputLayers outputLayers;
+ outputLayers.emplace_back(nullptr);
+ outputLayers.emplace_back(std::unique_ptr<OutputLayer>(existingOutputLayer));
+ mOutput.setOutputLayersOrderedByZ(std::move(outputLayers));
+
+ std::shared_ptr<mock::Layer> layer{new StrictMock<mock::Layer>()};
+ sp<LayerFE> layerFE{new StrictMock<mock::LayerFE>()};
+
+ StrictMock<mock::Layer> otherLayer;
+
+ {
+ // If there is no OutputLayer corresponding to the input layer, a
+ // new OutputLayer is constructed and returned.
+ EXPECT_CALL(*existingOutputLayer, getLayer()).WillOnce(ReturnRef(otherLayer));
+ auto result = mOutput.getOrCreateOutputLayer(layer, layerFE);
+ EXPECT_NE(existingOutputLayer, result.get());
+ EXPECT_TRUE(result.get() != nullptr);
+ EXPECT_EQ(layer.get(), &result->getLayer());
+ EXPECT_EQ(layerFE.get(), &result->getLayerFE());
+
+ // The entries in the ordered array should be unchanged.
+ auto& outputLayers = mOutput.getOutputLayersOrderedByZ();
+ EXPECT_EQ(nullptr, outputLayers[0].get());
+ EXPECT_EQ(existingOutputLayer, outputLayers[1].get());
+ }
+
+ {
+ // If there is an existing OutputLayer for the requested layer, an owned
+ // pointer is returned
+ EXPECT_CALL(*existingOutputLayer, getLayer()).WillOnce(ReturnRef(*layer));
+ auto result = mOutput.getOrCreateOutputLayer(layer, layerFE);
+ EXPECT_EQ(existingOutputLayer, result.get());
+
+ // The corresponding entry in the ordered array should be cleared.
+ auto& outputLayers = mOutput.getOutputLayersOrderedByZ();
+ EXPECT_EQ(nullptr, outputLayers[0].get());
+ EXPECT_EQ(nullptr, outputLayers[1].get());
+ }
+}
+
} // namespace
} // namespace android::compositionengine
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 2cf2cd8..35ceedc 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -40,6 +40,8 @@
#include <compositionengine/CompositionEngine.h>
#include <compositionengine/Display.h>
#include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/Layer.h>
+#include <compositionengine/OutputLayer.h>
#include <compositionengine/RenderSurface.h>
#include <compositionengine/impl/OutputCompositionState.h>
#include <dvr/vr_flinger.h>
@@ -2250,7 +2252,8 @@
const auto& displayState = display->getState();
Region opaqueRegion;
Region dirtyRegion;
- Vector<sp<Layer>> layersSortedByZ;
+ compositionengine::Output::OutputLayers layersSortedByZ;
+ Vector<sp<Layer>> deprecated_layersSortedByZ;
Vector<sp<Layer>> layersNeedingFences;
const ui::Transform& tr = displayState.transform;
const Rect bounds = displayState.bounds;
@@ -2258,15 +2261,27 @@
computeVisibleRegions(displayDevice, dirtyRegion, opaqueRegion);
mDrawingState.traverseInZOrder([&](Layer* layer) {
+ auto compositionLayer = layer->getCompositionLayer();
+ if (compositionLayer == nullptr) {
+ return;
+ }
+
bool hwcLayerDestroyed = false;
const auto displayId = displayDevice->getId();
+ sp<compositionengine::LayerFE> layerFE = compositionLayer->getLayerFE();
+ LOG_ALWAYS_FATAL_IF(layerFE.get() == nullptr);
+
if (display->belongsInOutput(layer->getLayerStack(),
layer->getPrimaryDisplayOnly())) {
Region drawRegion(tr.transform(
layer->visibleNonTransparentRegion));
drawRegion.andSelf(bounds);
if (!drawRegion.isEmpty()) {
- layersSortedByZ.add(layer);
+ layersSortedByZ.emplace_back(
+ display->getOrCreateOutputLayer(layer->getCompositionLayer(),
+ layerFE));
+
+ deprecated_layersSortedByZ.add(layer);
} else {
// Clear out the HWC layer if this layer was
// previously visible, but no longer is
@@ -2292,7 +2307,10 @@
}
});
}
- displayDevice->setVisibleLayersSortedByZ(layersSortedByZ);
+
+ display->setOutputLayersOrderedByZ(std::move(layersSortedByZ));
+
+ displayDevice->setVisibleLayersSortedByZ(deprecated_layersSortedByZ);
displayDevice->setLayersNeedingFences(layersNeedingFences);
Region undefinedRegion{bounds};