1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_HWUI_CACHES_H 18#define ANDROID_HWUI_CACHES_H 19 20#ifndef LOG_TAG 21 #define LOG_TAG "OpenGLRenderer" 22#endif 23 24 25#include "AssetAtlas.h" 26#include "Dither.h" 27#include "Extensions.h" 28#include "FboCache.h" 29#include "GradientCache.h" 30#include "LayerCache.h" 31#include "PatchCache.h" 32#include "ProgramCache.h" 33#include "PathCache.h" 34#include "RenderBufferCache.h" 35#include "renderstate/PixelBufferState.h" 36#include "renderstate/TextureState.h" 37#include "ResourceCache.h" 38#include "TessellationCache.h" 39#include "TextDropShadowCache.h" 40#include "TextureCache.h" 41#include "thread/TaskProcessor.h" 42#include "thread/TaskManager.h" 43 44#include <vector> 45#include <memory> 46 47#include <GLES3/gl3.h> 48 49#include <utils/KeyedVector.h> 50#include <utils/Singleton.h> 51#include <utils/Vector.h> 52 53#include <cutils/compiler.h> 54 55#include <SkPath.h> 56 57namespace android { 58namespace uirenderer { 59 60class GammaFontRenderer; 61 62/////////////////////////////////////////////////////////////////////////////// 63// Caches 64/////////////////////////////////////////////////////////////////////////////// 65 66class RenderNode; 67class RenderState; 68 69class ANDROID_API Caches { 70public: 71 static Caches& createInstance(RenderState& renderState) { 72 LOG_ALWAYS_FATAL_IF(sInstance, "double create of Caches attempted"); 73 sInstance = new Caches(renderState); 74 return *sInstance; 75 } 76 77 static Caches& getInstance() { 78 LOG_ALWAYS_FATAL_IF(!sInstance, "instance not yet created"); 79 return *sInstance; 80 } 81 82 static bool hasInstance() { 83 return sInstance != nullptr; 84 } 85private: 86 Caches(RenderState& renderState); 87 static Caches* sInstance; 88 89public: 90 enum FlushMode { 91 kFlushMode_Layers = 0, 92 kFlushMode_Moderate, 93 kFlushMode_Full 94 }; 95 96 /** 97 * Initialize caches. 98 */ 99 bool init(); 100 101 /** 102 * Flush the cache. 103 * 104 * @param mode Indicates how much of the cache should be flushed 105 */ 106 void flush(FlushMode mode); 107 108 /** 109 * Destroys all resources associated with this cache. This should 110 * be called after a flush(kFlushMode_Full). 111 */ 112 void terminate(); 113 114 /** 115 * Returns a non-premultiplied ARGB color for the specified 116 * amount of overdraw (1 for 1x, 2 for 2x, etc.) 117 */ 118 uint32_t getOverdrawColor(uint32_t amount) const; 119 120 /** 121 * Call this on each frame to ensure that garbage is deleted from 122 * GPU memory. 123 */ 124 void clearGarbage(); 125 126 /** 127 * Can be used to delete a layer from a non EGL thread. 128 */ 129 void deleteLayerDeferred(Layer* layer); 130 131 132 void startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool discard); 133 void endTiling(); 134 135 /** 136 * Returns the mesh used to draw regions. Calling this method will 137 * bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the 138 * indices for the region mesh. 139 */ 140 TextureVertex* getRegionMesh(); 141 142 /** 143 * Displays the memory usage of each cache and the total sum. 144 */ 145 void dumpMemoryUsage(); 146 void dumpMemoryUsage(String8& log); 147 148 bool hasRegisteredFunctors(); 149 void registerFunctors(uint32_t functorCount); 150 void unregisterFunctors(uint32_t functorCount); 151 152 // Misc 153 GLint maxTextureSize; 154 155private: 156 // Declared before gradientCache and programCache which need this to initialize. 157 // TODO: cleanup / move elsewhere 158 Extensions mExtensions; 159public: 160 TextureCache textureCache; 161 LayerCache layerCache; 162 RenderBufferCache renderBufferCache; 163 GradientCache gradientCache; 164 PatchCache patchCache; 165 PathCache pathCache; 166 ProgramCache programCache; 167 TessellationCache tessellationCache; 168 TextDropShadowCache dropShadowCache; 169 FboCache fboCache; 170 171 GammaFontRenderer* fontRenderer; 172 173 TaskManager tasks; 174 175 Dither dither; 176 177 bool gpuPixelBuffersEnabled; 178 179 // Debug methods 180 PFNGLINSERTEVENTMARKEREXTPROC eventMark; 181 PFNGLPUSHGROUPMARKEREXTPROC startMark; 182 PFNGLPOPGROUPMARKEREXTPROC endMark; 183 184 void setProgram(const ProgramDescription& description); 185 void setProgram(Program* program); 186 187 Extensions& extensions() { return mExtensions; } 188 Program& program() { return *mProgram; } 189 PixelBufferState& pixelBufferState() { return *mPixelBufferState; } 190 TextureState& textureState() { return *mTextureState; } 191 192private: 193 194 void initFont(); 195 void initExtensions(); 196 void initConstraints(); 197 void initStaticProperties(); 198 199 static void eventMarkNull(GLsizei length, const GLchar* marker) { } 200 static void startMarkNull(GLsizei length, const GLchar* marker) { } 201 static void endMarkNull() { } 202 203 RenderState* mRenderState; 204 205 // Used to render layers 206 std::unique_ptr<TextureVertex[]> mRegionMesh; 207 208 mutable Mutex mGarbageLock; 209 Vector<Layer*> mLayerGarbage; 210 211 bool mInitialized; 212 213 uint32_t mFunctorsCount; 214 215 // TODO: move below to RenderState 216 PixelBufferState* mPixelBufferState = nullptr; 217 TextureState* mTextureState = nullptr; 218 Program* mProgram = nullptr; // note: object owned by ProgramCache 219 220}; // class Caches 221 222}; // namespace uirenderer 223}; // namespace android 224 225#endif // ANDROID_HWUI_CACHES_H 226