libs/hwui/Caches.cpp - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2010 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.
  */

 #define LOG_TAG "OpenGLRenderer"

 #include "Caches.h"

 #include "GammaFontRenderer.h"
 #include "LayerRenderer.h"
 #include "Properties.h"
 #include "renderstate/RenderState.h"
 #include "ShadowTessellator.h"
 #include "utils/GLUtils.h"

 #include <utils/Log.h>
 #include <utils/String8.h>

 namespace android {
 namespace uirenderer {

 Caches* Caches::sInstance = nullptr;

 ///////////////////////////////////////////////////////////////////////////////
 // Macros
 ///////////////////////////////////////////////////////////////////////////////

 #if DEBUG_CACHE_FLUSH
     #define FLUSH_LOGD(...) ALOGD(__VA_ARGS__)
 #else
     #define FLUSH_LOGD(...)
 #endif

 ///////////////////////////////////////////////////////////////////////////////
 // Constructors/destructor
 ///////////////////////////////////////////////////////////////////////////////

 Caches::Caches(RenderState& renderState)
         : gradientCache(mExtensions)
         , patchCache(renderState)
         , programCache(mExtensions)
         , dither(*this)
         , mRenderState(&renderState)
         , mInitialized(false) {
     INIT_LOGD("Creating OpenGL renderer caches");
     init();
     initFont();
     initConstraints();
     initStaticProperties();
     initExtensions();
 }

 bool Caches::init() {
     if (mInitialized) return false;

     ATRACE_NAME("Caches::init");

     mRegionMesh = nullptr;
     mProgram = nullptr;

     mFunctorsCount = 0;

     patchCache.init();

     mInitialized = true;

     mPixelBufferState = new PixelBufferState();
     mTextureState = new TextureState();

     return true;
 }

 void Caches::initFont() {
     fontRenderer = GammaFontRenderer::createRenderer();
 }

 void Caches::initExtensions() {
     if (mExtensions.hasDebugMarker()) {
         eventMark = glInsertEventMarkerEXT;

         startMark = glPushGroupMarkerEXT;
         endMark = glPopGroupMarkerEXT;
     } else {
         eventMark = eventMarkNull;
         startMark = startMarkNull;
         endMark = endMarkNull;
     }
 }

 void Caches::initConstraints() {
     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
 }

 void Caches::initStaticProperties() {
     gpuPixelBuffersEnabled = false;

     // OpenGL ES 3.0+ specific features
     if (mExtensions.hasPixelBufferObjects()) {
         char property[PROPERTY_VALUE_MAX];
         if (property_get(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, property, "true") > 0) {
             gpuPixelBuffersEnabled = !strcmp(property, "true");
         }
     }
 }

 void Caches::terminate() {
     if (!mInitialized) return;
     mRegionMesh.release();

     fboCache.clear();

     programCache.clear();
     mProgram = nullptr;

     patchCache.clear();

     clearGarbage();

     delete mPixelBufferState;
     mPixelBufferState = nullptr;
     delete mTextureState;
     mTextureState = nullptr;
     mInitialized = false;
 }

 void Caches::setProgram(const ProgramDescription& description) {
     setProgram(programCache.get(description));
 }

 void Caches::setProgram(Program* program) {
     if (!program || !program->isInUse()) {
         if (mProgram) {
             mProgram->remove();
         }
         if (program) {
             program->use();
         }
         mProgram = program;
     }
 }

 ///////////////////////////////////////////////////////////////////////////////
 // Debug
 ///////////////////////////////////////////////////////////////////////////////

 uint32_t Caches::getOverdrawColor(uint32_t amount) const {
     static uint32_t sOverdrawColors[2][4] = {
             { 0x2f0000ff, 0x2f00ff00, 0x3fff0000, 0x7fff0000 },
             { 0x2f0000ff, 0x4fffff00, 0x5fff8ad8, 0x7fff0000 }
     };
     if (amount < 1) amount = 1;
     if (amount > 4) amount = 4;

     int overdrawColorIndex = static_cast<int>(Properties::overdrawColorSet);
     return sOverdrawColors[overdrawColorIndex][amount - 1];
 }

 void Caches::dumpMemoryUsage() {
     String8 stringLog;
     dumpMemoryUsage(stringLog);
     ALOGD("%s", stringLog.string());
 }

 void Caches::dumpMemoryUsage(String8 &log) {
     uint32_t total = 0;
     log.appendFormat("Current memory usage / total memory usage (bytes):\n");
     log.appendFormat("  TextureCache         %8d / %8d\n",
             textureCache.getSize(), textureCache.getMaxSize());
     log.appendFormat("  LayerCache           %8d / %8d (numLayers = %zu)\n",
             layerCache.getSize(), layerCache.getMaxSize(), layerCache.getCount());
     if (mRenderState) {
         int memused = 0;
         for (std::set<Layer*>::iterator it = mRenderState->mActiveLayers.begin();
                 it != mRenderState->mActiveLayers.end(); it++) {
             const Layer* layer = *it;
             log.appendFormat("    Layer size %dx%d; isTextureLayer()=%d; texid=%u fbo=%u; refs=%d\n",
                     layer->getWidth(), layer->getHeight(),
                     layer->isTextureLayer(), layer->getTextureId(),
                     layer->getFbo(), layer->getStrongCount());
             memused += layer->getWidth() * layer->getHeight() * 4;
         }
         log.appendFormat("  Layers total   %8d (numLayers = %zu)\n",
                 memused, mRenderState->mActiveLayers.size());
         total += memused;
     }
     log.appendFormat("  RenderBufferCache    %8d / %8d\n",
             renderBufferCache.getSize(), renderBufferCache.getMaxSize());
     log.appendFormat("  GradientCache        %8d / %8d\n",
             gradientCache.getSize(), gradientCache.getMaxSize());
     log.appendFormat("  PathCache            %8d / %8d\n",
             pathCache.getSize(), pathCache.getMaxSize());
     log.appendFormat("  TessellationCache    %8d / %8d\n",
             tessellationCache.getSize(), tessellationCache.getMaxSize());
     log.appendFormat("  TextDropShadowCache  %8d / %8d\n", dropShadowCache.getSize(),
             dropShadowCache.getMaxSize());
     log.appendFormat("  PatchCache           %8d / %8d\n",
             patchCache.getSize(), patchCache.getMaxSize());
     for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
         const uint32_t sizeA8 = fontRenderer->getFontRendererSize(i, GL_ALPHA);
         const uint32_t sizeRGBA = fontRenderer->getFontRendererSize(i, GL_RGBA);
         log.appendFormat("  FontRenderer %d A8    %8d / %8d\n", i, sizeA8, sizeA8);
         log.appendFormat("  FontRenderer %d RGBA  %8d / %8d\n", i, sizeRGBA, sizeRGBA);
         log.appendFormat("  FontRenderer %d total %8d / %8d\n", i, sizeA8 + sizeRGBA,
                 sizeA8 + sizeRGBA);
     }
     log.appendFormat("Other:\n");
     log.appendFormat("  FboCache             %8d / %8d\n",
             fboCache.getSize(), fboCache.getMaxSize());

     total += textureCache.getSize();
     total += renderBufferCache.getSize();
     total += gradientCache.getSize();
     total += pathCache.getSize();
     total += tessellationCache.getSize();
     total += dropShadowCache.getSize();
     total += patchCache.getSize();
     for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
         total += fontRenderer->getFontRendererSize(i, GL_ALPHA);
         total += fontRenderer->getFontRendererSize(i, GL_RGBA);
     }

     log.appendFormat("Total memory usage:\n");
     log.appendFormat("  %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f);
 }

 ///////////////////////////////////////////////////////////////////////////////
 // Memory management
 ///////////////////////////////////////////////////////////////////////////////

 void Caches::clearGarbage() {
     textureCache.clearGarbage();
     pathCache.clearGarbage();
     patchCache.clearGarbage();
 }

 void Caches::flush(FlushMode mode) {
     FLUSH_LOGD("Flushing caches (mode %d)", mode);

     // We must stop tasks before clearing caches
     if (mode > kFlushMode_Layers) {
         tasks.stop();
     }

     switch (mode) {
         case kFlushMode_Full:
             textureCache.clear();
             patchCache.clear();
             dropShadowCache.clear();
             gradientCache.clear();
             fontRenderer->clear();
             fboCache.clear();
             dither.clear();
             // fall through
         case kFlushMode_Moderate:
             fontRenderer->flush();
             textureCache.flush();
             pathCache.clear();
             tessellationCache.clear();
             // fall through
         case kFlushMode_Layers:
             layerCache.clear();
             renderBufferCache.clear();
             break;
     }

     clearGarbage();
     glFinish();
     // Errors during cleanup should be considered non-fatal, dump them and
     // and move on. TODO: All errors or just errors like bad surface?
     GLUtils::dumpGLErrors();
 }

 ///////////////////////////////////////////////////////////////////////////////
 // Tiling
 ///////////////////////////////////////////////////////////////////////////////

 void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool discard) {
     if (mExtensions.hasTiledRendering() && !Properties::debugOverdraw) {
         glStartTilingQCOM(x, y, width, height, (discard ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM));
     }
 }

 void Caches::endTiling() {
     if (mExtensions.hasTiledRendering() && !Properties::debugOverdraw) {
         glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM);
     }
 }

 bool Caches::hasRegisteredFunctors() {
     return mFunctorsCount > 0;
 }

 void Caches::registerFunctors(uint32_t functorCount) {
     mFunctorsCount += functorCount;
 }

 void Caches::unregisterFunctors(uint32_t functorCount) {
     if (functorCount > mFunctorsCount) {
         mFunctorsCount = 0;
     } else {
         mFunctorsCount -= functorCount;
     }
 }

 ///////////////////////////////////////////////////////////////////////////////
 // Regions
 ///////////////////////////////////////////////////////////////////////////////

 TextureVertex* Caches::getRegionMesh() {
     // Create the mesh, 2 triangles and 4 vertices per rectangle in the region
     if (!mRegionMesh) {
         mRegionMesh.reset(new TextureVertex[kMaxNumberOfQuads * 4]);
     }

     return mRegionMesh.get();
 }

 ///////////////////////////////////////////////////////////////////////////////
 // Temporary Properties
 ///////////////////////////////////////////////////////////////////////////////

 }; // namespace uirenderer
 }; // namespace android
	/*
	* Copyright (C) 2010 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.
	*/

	#define LOG_TAG "OpenGLRenderer"

	#include "Caches.h"

	#include "GammaFontRenderer.h"
	#include "LayerRenderer.h"
	#include "Properties.h"
	#include "renderstate/RenderState.h"
	#include "ShadowTessellator.h"
	#include "utils/GLUtils.h"

	#include <utils/Log.h>
	#include <utils/String8.h>

	namespace android {
	namespace uirenderer {

	Caches* Caches::sInstance = nullptr;

	///////////////////////////////////////////////////////////////////////////////
	// Macros
	///////////////////////////////////////////////////////////////////////////////

	#if DEBUG_CACHE_FLUSH
	#define FLUSH_LOGD(...) ALOGD(__VA_ARGS__)
	#else
	#define FLUSH_LOGD(...)
	#endif

	///////////////////////////////////////////////////////////////////////////////
	// Constructors/destructor
	///////////////////////////////////////////////////////////////////////////////

	Caches::Caches(RenderState& renderState)
	: gradientCache(mExtensions)
	, patchCache(renderState)
	, programCache(mExtensions)
	, dither(*this)
	, mRenderState(&renderState)
	, mInitialized(false) {
	INIT_LOGD("Creating OpenGL renderer caches");
	init();
	initFont();
	initConstraints();
	initStaticProperties();
	initExtensions();
	}

	bool Caches::init() {
	if (mInitialized) return false;

	ATRACE_NAME("Caches::init");

	mRegionMesh = nullptr;
	mProgram = nullptr;

	mFunctorsCount = 0;

	patchCache.init();

	mInitialized = true;

	mPixelBufferState = new PixelBufferState();
	mTextureState = new TextureState();

	return true;
	}

	void Caches::initFont() {
	fontRenderer = GammaFontRenderer::createRenderer();
	}

	void Caches::initExtensions() {
	if (mExtensions.hasDebugMarker()) {
	eventMark = glInsertEventMarkerEXT;

	startMark = glPushGroupMarkerEXT;
	endMark = glPopGroupMarkerEXT;
	} else {
	eventMark = eventMarkNull;
	startMark = startMarkNull;
	endMark = endMarkNull;
	}
	}

	void Caches::initConstraints() {
	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
	}

	void Caches::initStaticProperties() {
	gpuPixelBuffersEnabled = false;

	// OpenGL ES 3.0+ specific features
	if (mExtensions.hasPixelBufferObjects()) {
	char property[PROPERTY_VALUE_MAX];
	if (property_get(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, property, "true") > 0) {
	gpuPixelBuffersEnabled = !strcmp(property, "true");
	}
	}
	}

	void Caches::terminate() {
	if (!mInitialized) return;
	mRegionMesh.release();

	fboCache.clear();

	programCache.clear();
	mProgram = nullptr;

	patchCache.clear();

	clearGarbage();

	delete mPixelBufferState;
	mPixelBufferState = nullptr;
	delete mTextureState;
	mTextureState = nullptr;
	mInitialized = false;
	}

	void Caches::setProgram(const ProgramDescription& description) {
	setProgram(programCache.get(description));
	}

	void Caches::setProgram(Program* program) {
	if (!program \|\| !program->isInUse()) {
	if (mProgram) {
	mProgram->remove();
	}
	if (program) {
	program->use();
	}
	mProgram = program;
	}
	}

	///////////////////////////////////////////////////////////////////////////////
	// Debug
	///////////////////////////////////////////////////////////////////////////////

	uint32_t Caches::getOverdrawColor(uint32_t amount) const {
	static uint32_t sOverdrawColors[2][4] = {
	{ 0x2f0000ff, 0x2f00ff00, 0x3fff0000, 0x7fff0000 },
	{ 0x2f0000ff, 0x4fffff00, 0x5fff8ad8, 0x7fff0000 }
	};
	if (amount < 1) amount = 1;
	if (amount > 4) amount = 4;

	int overdrawColorIndex = static_cast<int>(Properties::overdrawColorSet);
	return sOverdrawColors[overdrawColorIndex][amount - 1];
	}

	void Caches::dumpMemoryUsage() {
	String8 stringLog;
	dumpMemoryUsage(stringLog);
	ALOGD("%s", stringLog.string());
	}

	void Caches::dumpMemoryUsage(String8 &log) {
	uint32_t total = 0;
	log.appendFormat("Current memory usage / total memory usage (bytes):\n");
	log.appendFormat(" TextureCache %8d / %8d\n",
	textureCache.getSize(), textureCache.getMaxSize());
	log.appendFormat(" LayerCache %8d / %8d (numLayers = %zu)\n",
	layerCache.getSize(), layerCache.getMaxSize(), layerCache.getCount());
	if (mRenderState) {
	int memused = 0;
	for (std::set<Layer*>::iterator it = mRenderState->mActiveLayers.begin();
	it != mRenderState->mActiveLayers.end(); it++) {
	const Layer* layer = *it;
	log.appendFormat(" Layer size %dx%d; isTextureLayer()=%d; texid=%u fbo=%u; refs=%d\n",
	layer->getWidth(), layer->getHeight(),
	layer->isTextureLayer(), layer->getTextureId(),
	layer->getFbo(), layer->getStrongCount());
	memused += layer->getWidth() * layer->getHeight() * 4;
	}
	log.appendFormat(" Layers total %8d (numLayers = %zu)\n",
	memused, mRenderState->mActiveLayers.size());
	total += memused;
	}
	log.appendFormat(" RenderBufferCache %8d / %8d\n",
	renderBufferCache.getSize(), renderBufferCache.getMaxSize());
	log.appendFormat(" GradientCache %8d / %8d\n",
	gradientCache.getSize(), gradientCache.getMaxSize());
	log.appendFormat(" PathCache %8d / %8d\n",
	pathCache.getSize(), pathCache.getMaxSize());
	log.appendFormat(" TessellationCache %8d / %8d\n",
	tessellationCache.getSize(), tessellationCache.getMaxSize());
	log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(),
	dropShadowCache.getMaxSize());
	log.appendFormat(" PatchCache %8d / %8d\n",
	patchCache.getSize(), patchCache.getMaxSize());
	for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
	const uint32_t sizeA8 = fontRenderer->getFontRendererSize(i, GL_ALPHA);
	const uint32_t sizeRGBA = fontRenderer->getFontRendererSize(i, GL_RGBA);
	log.appendFormat(" FontRenderer %d A8 %8d / %8d\n", i, sizeA8, sizeA8);
	log.appendFormat(" FontRenderer %d RGBA %8d / %8d\n", i, sizeRGBA, sizeRGBA);
	log.appendFormat(" FontRenderer %d total %8d / %8d\n", i, sizeA8 + sizeRGBA,
	sizeA8 + sizeRGBA);
	}
	log.appendFormat("Other:\n");
	log.appendFormat(" FboCache %8d / %8d\n",
	fboCache.getSize(), fboCache.getMaxSize());

	total += textureCache.getSize();
	total += renderBufferCache.getSize();
	total += gradientCache.getSize();
	total += pathCache.getSize();
	total += tessellationCache.getSize();
	total += dropShadowCache.getSize();
	total += patchCache.getSize();
	for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
	total += fontRenderer->getFontRendererSize(i, GL_ALPHA);
	total += fontRenderer->getFontRendererSize(i, GL_RGBA);
	}

	log.appendFormat("Total memory usage:\n");
	log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f);
	}

	///////////////////////////////////////////////////////////////////////////////
	// Memory management
	///////////////////////////////////////////////////////////////////////////////

	void Caches::clearGarbage() {
	textureCache.clearGarbage();
	pathCache.clearGarbage();
	patchCache.clearGarbage();
	}

	void Caches::flush(FlushMode mode) {
	FLUSH_LOGD("Flushing caches (mode %d)", mode);

	// We must stop tasks before clearing caches
	if (mode > kFlushMode_Layers) {
	tasks.stop();
	}

	switch (mode) {
	case kFlushMode_Full:
	textureCache.clear();
	patchCache.clear();
	dropShadowCache.clear();
	gradientCache.clear();
	fontRenderer->clear();
	fboCache.clear();
	dither.clear();
	// fall through
	case kFlushMode_Moderate:
	fontRenderer->flush();
	textureCache.flush();
	pathCache.clear();
	tessellationCache.clear();
	// fall through
	case kFlushMode_Layers:
	layerCache.clear();
	renderBufferCache.clear();
	break;
	}

	clearGarbage();
	glFinish();
	// Errors during cleanup should be considered non-fatal, dump them and
	// and move on. TODO: All errors or just errors like bad surface?
	GLUtils::dumpGLErrors();
	}

	///////////////////////////////////////////////////////////////////////////////
	// Tiling
	///////////////////////////////////////////////////////////////////////////////

	void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool discard) {
	if (mExtensions.hasTiledRendering() && !Properties::debugOverdraw) {
	glStartTilingQCOM(x, y, width, height, (discard ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM));
	}
	}

	void Caches::endTiling() {
	if (mExtensions.hasTiledRendering() && !Properties::debugOverdraw) {
	glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM);
	}
	}

	bool Caches::hasRegisteredFunctors() {
	return mFunctorsCount > 0;
	}

	void Caches::registerFunctors(uint32_t functorCount) {
	mFunctorsCount += functorCount;
	}

	void Caches::unregisterFunctors(uint32_t functorCount) {
	if (functorCount > mFunctorsCount) {
	mFunctorsCount = 0;
	} else {
	mFunctorsCount -= functorCount;
	}
	}

	///////////////////////////////////////////////////////////////////////////////
	// Regions
	///////////////////////////////////////////////////////////////////////////////

	TextureVertex* Caches::getRegionMesh() {
	// Create the mesh, 2 triangles and 4 vertices per rectangle in the region
	if (!mRegionMesh) {
	mRegionMesh.reset(new TextureVertex[kMaxNumberOfQuads * 4]);
	}

	return mRegionMesh.get();
	}

	///////////////////////////////////////////////////////////////////////////////
	// Temporary Properties
	///////////////////////////////////////////////////////////////////////////////

	}; // namespace uirenderer
	}; // namespace android