Add support for render-ahead (ec100976) · Commits · e / os / android_frameworks_base

libs/hwui/Properties.cpp

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -36,6 +36,7 @@ bool Properties::showDirtyRegions = false;
	bool Properties::skipEmptyFrames = true;		bool Properties::skipEmptyFrames = true;
	bool Properties::useBufferAge = true;		bool Properties::useBufferAge = true;
	bool Properties::enablePartialUpdates = true;		bool Properties::enablePartialUpdates = true;
			bool Properties::usePresentTime = true;

	DebugLevel Properties::debugLevel = kDebugDisabled;		DebugLevel Properties::debugLevel = kDebugDisabled;
	OverdrawColorSet Properties::overdrawColorSet = OverdrawColorSet::Default;		OverdrawColorSet Properties::overdrawColorSet = OverdrawColorSet::Default;
	@@ -135,6 +136,7 @@ bool Properties::load() {
	skipEmptyFrames = property_get_bool(PROPERTY_SKIP_EMPTY_DAMAGE, true);		skipEmptyFrames = property_get_bool(PROPERTY_SKIP_EMPTY_DAMAGE, true);
	useBufferAge = property_get_bool(PROPERTY_USE_BUFFER_AGE, true);		useBufferAge = property_get_bool(PROPERTY_USE_BUFFER_AGE, true);
	enablePartialUpdates = property_get_bool(PROPERTY_ENABLE_PARTIAL_UPDATES, true);		enablePartialUpdates = property_get_bool(PROPERTY_ENABLE_PARTIAL_UPDATES, true);
			usePresentTime = property_get_bool(PROPERTY_USE_PRESENT_TIME, true);

	filterOutTestOverhead = property_get_bool(PROPERTY_FILTER_TEST_OVERHEAD, false);		filterOutTestOverhead = property_get_bool(PROPERTY_FILTER_TEST_OVERHEAD, false);

libs/hwui/Properties.h

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -151,6 +151,12 @@ enum DebugLevel {
	*/		*/
	#define PROPERTY_ENABLE_PARTIAL_UPDATES "debug.hwui.use_partial_updates"		#define PROPERTY_ENABLE_PARTIAL_UPDATES "debug.hwui.use_partial_updates"

			/**
			* Setting this to "false" will disable the use of the EGL_ANDROID_presentation_time extension
			* and prevents more precise control over swap behavior & timings.
			*/
			#define PROPERTY_USE_PRESENT_TIME "debug.hwui.use_present_time"

	#define PROPERTY_FILTER_TEST_OVERHEAD "debug.hwui.filter_test_overhead"		#define PROPERTY_FILTER_TEST_OVERHEAD "debug.hwui.filter_test_overhead"

	/**		/**
	@@ -220,6 +226,7 @@ public:
	static bool skipEmptyFrames;		static bool skipEmptyFrames;
	static bool useBufferAge;		static bool useBufferAge;
	static bool enablePartialUpdates;		static bool enablePartialUpdates;
			static bool usePresentTime;

	// TODO: Move somewhere else?		// TODO: Move somewhere else?
	static constexpr float textGamma = 1.45f;		static constexpr float textGamma = 1.45f;

libs/hwui/renderthread/CanvasContext.cpp

+25 −1

Original line number	Original line	Diff line number	Diff line
	@@ -17,6 +17,7 @@
	#include "CanvasContext.h"		#include "CanvasContext.h"
	#include <GpuMemoryTracker.h>		#include <GpuMemoryTracker.h>

			#include "../Properties.h"
	#include "AnimationContext.h"		#include "AnimationContext.h"
	#include "Caches.h"		#include "Caches.h"
	#include "EglManager.h"		#include "EglManager.h"
	@@ -34,7 +35,6 @@
	#include "renderstate/Stencil.h"		#include "renderstate/Stencil.h"
	#include "utils/GLUtils.h"		#include "utils/GLUtils.h"
	#include "utils/TimeUtils.h"		#include "utils/TimeUtils.h"
	#include "../Properties.h"

	#include <cutils/properties.h>		#include <cutils/properties.h>
	#include <google/protobuf/io/zero_copy_stream_impl.h>		#include <google/protobuf/io/zero_copy_stream_impl.h>
	@@ -194,6 +194,7 @@ void CanvasContext::setSurface(sp<Surface>&& surface) {
	if (hasSurface) {		if (hasSurface) {
	mHaveNewSurface = true;		mHaveNewSurface = true;
	mSwapHistory.clear();		mSwapHistory.clear();
			updateBufferCount();
	} else {		} else {
	mRenderThread.removeFrameCallback(this);		mRenderThread.removeFrameCallback(this);
	}		}
	@@ -427,6 +428,9 @@ void CanvasContext::draw() {

	waitOnFences();		waitOnFences();

			frame.setPresentTime(mCurrentFrameInfo->get(FrameInfoIndex::Vsync) +
			(mRenderThread.timeLord().frameIntervalNanos() * (mRenderAheadDepth + 1)));

	bool requireSwap = false;		bool requireSwap = false;
	bool didSwap =		bool didSwap =
	mRenderPipeline->swapBuffers(frame, drew, windowDirty, mCurrentFrameInfo, &requireSwap);		mRenderPipeline->swapBuffers(frame, drew, windowDirty, mCurrentFrameInfo, &requireSwap);
	@@ -705,6 +709,26 @@ int64_t CanvasContext::getFrameNumber() {
	return mFrameNumber;		return mFrameNumber;
	}		}

			void overrideBufferCount(const sp<Surface>& surface, int bufferCount) {
			struct SurfaceExposer : Surface {
			using Surface::setBufferCount;
			};
			// Protected is just a sign, not a cop
			((surface.get()).&SurfaceExposer::setBufferCount)(bufferCount);
			}

			void CanvasContext::updateBufferCount() {
			overrideBufferCount(mNativeSurface, 3 + mRenderAheadDepth);
			}

			void CanvasContext::setRenderAheadDepth(int renderAhead) {
			if (renderAhead < 0 \|\| renderAhead > 2 \|\| renderAhead == mRenderAheadDepth) {
			return;
			}
			mRenderAheadDepth = renderAhead;
			updateBufferCount();
			}

	SkRect CanvasContext::computeDirtyRect(const Frame& frame, SkRect* dirty) {		SkRect CanvasContext::computeDirtyRect(const Frame& frame, SkRect* dirty) {
	if (frame.width() != mLastFrameWidth \|\| frame.height() != mLastFrameHeight) {		if (frame.width() != mLastFrameWidth \|\| frame.height() != mLastFrameHeight) {
	// can't rely on prior content of window if viewport size changes		// can't rely on prior content of window if viewport size changes

libs/hwui/renderthread/CanvasContext.h

+5 −1

Original line number	Original line	Diff line number	Diff line
	@@ -190,6 +190,8 @@ public:

	IRenderPipeline* getRenderPipeline() { return mRenderPipeline.get(); }		IRenderPipeline* getRenderPipeline() { return mRenderPipeline.get(); }

			void setRenderAheadDepth(int renderAhead);

	private:		private:
	CanvasContext(RenderThread& thread, bool translucent, RenderNode* rootRenderNode,		CanvasContext(RenderThread& thread, bool translucent, RenderNode* rootRenderNode,
	IContextFactory* contextFactory, std::unique_ptr<IRenderPipeline> renderPipeline);		IContextFactory* contextFactory, std::unique_ptr<IRenderPipeline> renderPipeline);
	@@ -202,6 +204,7 @@ private:
	void freePrefetchedLayers();		void freePrefetchedLayers();

	bool isSwapChainStuffed();		bool isSwapChainStuffed();
			void updateBufferCount();

	SkRect computeDirtyRect(const Frame& frame, SkRect* dirty);		SkRect computeDirtyRect(const Frame& frame, SkRect* dirty);

	@@ -227,6 +230,7 @@ private:

	RingBuffer<SwapHistory, 3> mSwapHistory;		RingBuffer<SwapHistory, 3> mSwapHistory;
	int64_t mFrameNumber = -1;		int64_t mFrameNumber = -1;
			int mRenderAheadDepth = 0;

	// last vsync for a dropped frame due to stuffed queue		// last vsync for a dropped frame due to stuffed queue
	nsecs_t mLastDropVsync = 0;		nsecs_t mLastDropVsync = 0;

libs/hwui/renderthread/DrawFrameTask.cpp

+2 −3

Original line number	Original line	Diff line number	Diff line
	@@ -103,9 +103,8 @@ void DrawFrameTask::run() {

	// Even if we aren't drawing this vsync pulse the next frame number will still be accurate		// Even if we aren't drawing this vsync pulse the next frame number will still be accurate
	if (CC_UNLIKELY(callback)) {		if (CC_UNLIKELY(callback)) {
	context->enqueueFrameWork([callback, frameNr = context->getFrameNumber()]() {		context->enqueueFrameWork(
	callback(frameNr);		[ callback, frameNr = context->getFrameNumber() ]() { callback(frameNr); });
	});
	}		}

	if (CC_LIKELY(canDrawThisFrame)) {		if (CC_LIKELY(canDrawThisFrame)) {