Merge "Improve Planner stability" into sc-dev am: 97938e8f18 (1de8bcf9) · Commits · e / os / android_frameworks_native

services/surfaceflinger/CompositionEngine/src/planner/LayerState.cpp

+7 −1

Original line number	Diff line number	Diff line
		@@ -42,7 +42,13 @@ LayerState::LayerState(compositionengine::OutputLayer* layer)
		}

		Flags<LayerStateField> LayerState::update(compositionengine::OutputLayer* layer) {
		ALOGE_IF(layer != mOutputLayer, "[%s] Expected mOutputLayer to never change", __func__);
		ALOGE_IF(mOutputLayer != layer && layer->getLayerFE().getSequence() != mId.get(),
		"[%s] Expected mOutputLayer ID to never change: %d, %d", __func__,
		layer->getLayerFE().getSequence(), mId.get());

		// It's possible for the OutputLayer pointer to change even when the layer is logically the
		// same, i.e., the LayerFE is the same. An example use-case is screen rotation.
		mOutputLayer = layer;

		Flags<LayerStateField> differences;

+12 −9

Original line number	Diff line number	Diff line
		@@ -113,15 +113,6 @@ void Planner::plan(
		}
		}

		for (LayerId removedLayer : removedLayers) {
		if (const auto layerEntry = mPreviousLayers.find(removedLayer);
		layerEntry != mPreviousLayers.end()) {
		const auto& [id, state] = *layerEntry;
		ALOGV("Removed layer %s", state.getName().c_str());
		mPreviousLayers.erase(removedLayer);
		}
		}

		mCurrentLayers.clear();
		mCurrentLayers.reserve(currentLayerIds.size());
		std::transform(currentLayerIds.cbegin(), currentLayerIds.cend(),
		@@ -135,6 +126,7 @@ void Planner::plan(
		mFlattenedHash =
		mFlattener.flattenLayers(mCurrentLayers, hash, std::chrono::steady_clock::now());
		const bool layersWereFlattened = hash != mFlattenedHash;

		ALOGV("[%s] Initial hash %zx flattened hash %zx", __func__, hash, mFlattenedHash);

		if (mPredictorEnabled) {
		@@ -148,6 +140,17 @@ void Planner::plan(
		ALOGV("[%s] No prediction found\n", __func__);
		}
		}

		// Clean up the set of previous layers now that the view of the LayerStates in the flattener are
		// up-to-date.
		for (LayerId removedLayer : removedLayers) {
		if (const auto layerEntry = mPreviousLayers.find(removedLayer);
		layerEntry != mPreviousLayers.end()) {
		const auto& [id, state] = *layerEntry;
		ALOGV("Removed layer %s", state.getName().c_str());
		mPreviousLayers.erase(removedLayer);
		}
		}
		}

		void Planner::reportFinalPlan(

+16 −0

Original line number	Diff line number	Diff line
		@@ -117,6 +117,22 @@ TEST_F(LayerStateTest, getOutputLayer) {
		EXPECT_EQ(&mOutputLayer, mLayerState->getOutputLayer());
		}

		TEST_F(LayerStateTest, updateOutputLayer) {
		OutputLayerCompositionState outputLayerCompositionState;
		LayerFECompositionState layerFECompositionState;
		setupMocksForLayer(mOutputLayer, mLayerFE, outputLayerCompositionState,
		layerFECompositionState);
		mLayerState = std::make_unique<LayerState>(&mOutputLayer);
		EXPECT_EQ(&mOutputLayer, mLayerState->getOutputLayer());

		mock::OutputLayer newOutputLayer;
		mock::LayerFE newLayerFE;
		setupMocksForLayer(newOutputLayer, newLayerFE, outputLayerCompositionState,
		layerFECompositionState);
		mLayerState->update(&newOutputLayer);
		EXPECT_EQ(&newOutputLayer, mLayerState->getOutputLayer());
		}

		TEST_F(LayerStateTest, getId) {
		OutputLayerCompositionState outputLayerCompositionState;
		LayerFECompositionState layerFECompositionState;