Merge changes Icda006de,I3590beeb into rvc-dev am: 6a6d06f5ba am: 359c819cd2 am: f83db36dc6 (040172cf) · Commits · e / os / android_frameworks_native

services/surfaceflinger/Scheduler/LayerHistoryV2.cpp

+0 −2

Original line number	Diff line number	Diff line
		@@ -212,7 +212,5 @@ void LayerHistoryV2::clear() {
		for (const auto& [layer, info] : activeLayers()) {
		info->clearHistory();
		}

		mActiveLayersEnd = 0;
		}
		} // namespace android::scheduler::impl

services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp

+38 −23

Original line number	Diff line number	Diff line
		@@ -23,6 +23,9 @@
		#include <chrono>
		#include <cmath>

		#undef LOG_TAG
		#define LOG_TAG "RefreshRateConfigs"

		namespace android::scheduler {

		using AllRefreshRatesMapType = RefreshRateConfigs::AllRefreshRatesMapType;
		@@ -95,22 +98,19 @@ std::pair<nsecs_t, nsecs_t> RefreshRateConfigs::getDisplayFrames(nsecs_t layerPe
		}

		const RefreshRate& RefreshRateConfigs::getRefreshRateForContentV2(
		const std::vector<LayerRequirement>& layers, bool touchActive) const {
		const std::vector<LayerRequirement>& layers, bool touchActive,
		bool* touchConsidered) const {
		ATRACE_CALL();
		ALOGV("getRefreshRateForContent %zu layers", layers.size());

		*touchConsidered = false;
		std::lock_guard lock(mLock);

		// For now if the touch is active return the peak refresh rate
		// This should be optimized to consider other layers as well.
		if (touchActive) {
		return *mAvailableRefreshRates.back();
		}

		// If there are not layers, there is not content detection, so return the current
		// refresh rate.
		if (layers.empty()) {
		return getCurrentRefreshRateByPolicyLocked();
		*touchConsidered = touchActive;
		return touchActive ? *mAvailableRefreshRates.back() : getCurrentRefreshRateByPolicyLocked();
		}

		int noVoteLayers = 0;
		@@ -118,17 +118,30 @@ const RefreshRate& RefreshRateConfigs::getRefreshRateForContentV2(
		int maxVoteLayers = 0;
		int explicitDefaultVoteLayers = 0;
		int explicitExactOrMultipleVoteLayers = 0;
		float maxExplicitWeight = 0;
		for (const auto& layer : layers) {
		if (layer.vote == LayerVoteType::NoVote)
		if (layer.vote == LayerVoteType::NoVote) {
		noVoteLayers++;
		else if (layer.vote == LayerVoteType::Min)
		} else if (layer.vote == LayerVoteType::Min) {
		minVoteLayers++;
		else if (layer.vote == LayerVoteType::Max)
		} else if (layer.vote == LayerVoteType::Max) {
		maxVoteLayers++;
		else if (layer.vote == LayerVoteType::ExplicitDefault)
		} else if (layer.vote == LayerVoteType::ExplicitDefault) {
		explicitDefaultVoteLayers++;
		else if (layer.vote == LayerVoteType::ExplicitExactOrMultiple)
		maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
		} else if (layer.vote == LayerVoteType::ExplicitExactOrMultiple) {
		explicitExactOrMultipleVoteLayers++;
		maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
		}
		}

		// Consider the touch event if there are no ExplicitDefault layers.
		// ExplicitDefault are mostly interactive (as opposed to ExplicitExactOrMultiple)
		// and therefore if those posted an explicit vote we should not change it
		// if get get a touch event.
		if (touchActive && explicitDefaultVoteLayers == 0) {
		*touchConsidered = true;
		return *mAvailableRefreshRates.back();
		}

		// Only if all layers want Min we should return Min
		@@ -168,16 +181,17 @@ const RefreshRate& RefreshRateConfigs::getRefreshRateForContentV2(
		const auto layerPeriod = round<nsecs_t>(1e9f / layer.desiredRefreshRate);
		if (layer.vote == LayerVoteType::ExplicitDefault) {
		const auto layerScore = [&]() {
		const auto [displayFramesQuot, displayFramesRem] =
		getDisplayFrames(layerPeriod, displayPeriod);
		if (displayFramesQuot == 0) {
		// Layer desired refresh rate is higher the display rate.
		return static_cast<float>(layerPeriod) / static_cast<float>(displayPeriod);
		}

		return 1.0f -
		(static_cast<float>(displayFramesRem) /
		static_cast<float>(layerPeriod));
		// Find the actual rate the layer will render, assuming
		// that layerPeriod is the minimal time to render a frame
		auto actualLayerPeriod = displayPeriod;
		int multiplier = 1;
		while (layerPeriod > actualLayerPeriod + MARGIN_FOR_PERIOD_CALCULATION) {
		multiplier++;
		actualLayerPeriod = displayPeriod * multiplier;
		}
		return std::min(1.0f,
		static_cast<float>(layerPeriod) /
		static_cast<float>(actualLayerPeriod));
		}();

		ALOGV("%s (ExplicitDefault, weight %.2f) %.2fHz gives %s score of %.2f",
		@@ -240,6 +254,7 @@ const RefreshRate& RefreshRateConfigs::getRefreshRateForContentV2(

		template <typename Iter>
		const RefreshRate* RefreshRateConfigs::getBestRefreshRate(Iter begin, Iter end) const {
		constexpr auto EPSILON = 0.001f;
		const RefreshRate* bestRefreshRate = begin->first;
		float max = begin->second;
		for (auto i = begin; i != end; ++i) {
		@@ -248,7 +263,7 @@ const RefreshRate* RefreshRateConfigs::getBestRefreshRate(Iter begin, Iter end)

		ATRACE_INT(refreshRate->name.c_str(), round<int>(score * 100));

		if (score > max) {
		if (score > max * (1 + EPSILON)) {
		max = score;
		bestRefreshRate = refreshRate;
		}

services/surfaceflinger/Scheduler/RefreshRateConfigs.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -137,9 +137,11 @@ public:

		// Returns the refresh rate that fits best to the given layers. This function also gets a
		// boolean flag that indicates whether user touched the screen recently to be factored in when
		// choosing the refresh rate.
		// choosing the refresh rate and returns whether the refresh rate was chosen as a result of
		// a touch event.
		const RefreshRate& getRefreshRateForContentV2(const std::vector<LayerRequirement>& layers,
		bool touchActive) const EXCLUDES(mLock);
		bool touchActive, bool* touchConsidered) const
		EXCLUDES(mLock);

		// Returns all the refresh rates supported by the device. This won't change at runtime.
		const AllRefreshRatesMapType& getAllRefreshRates() const EXCLUDES(mLock);

services/surfaceflinger/Scheduler/Scheduler.cpp

+16 −5

Original line number	Diff line number	Diff line
		@@ -483,7 +483,7 @@ void Scheduler::notifyTouchEvent() {
		// that is currently on top. b/142507166 will give us this capability.
		std::lock_guard<std::mutex> lock(mFeatureStateLock);
		if (mLayerHistory) {
		mLayerHistory->clear();
		// Layer History will be cleared based on RefreshRateConfigs::getRefreshRateForContentV2

		mTouchTimer->reset();

		@@ -620,10 +620,21 @@ HwcConfigIndexType Scheduler::calculateRefreshRateConfigIndexType() {
		return mRefreshRateConfigs.getRefreshRateForContent(mFeatures.contentRequirements).configId;
		}

		return mRefreshRateConfigs
		bool touchConsidered;
		const auto& ret =
		mRefreshRateConfigs
		.getRefreshRateForContentV2(mFeatures.contentRequirements,
		mTouchTimer && mFeatures.touch == TouchState::Active)
		mTouchTimer &&
		mFeatures.touch == TouchState::Active,
		&touchConsidered)
		.configId;
		if (touchConsidered) {
		// Clear layer history if refresh rate was selected based on touch to allow
		// the hueristic to pick up with the new rate.
		mLayerHistory->clear();
		}

		return ret;
		}

		std::optional<HwcConfigIndexType> Scheduler::getPreferredConfigId() {

services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp

+294 −91

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