Caches.h revision 57066eb64c9a190d1afc87bb060bbb2d31e5b86c
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#include <utils/Singleton.h> 25 26#include "Extensions.h" 27#include "FontRenderer.h" 28#include "GammaFontRenderer.h" 29#include "TextureCache.h" 30#include "LayerCache.h" 31#include "GradientCache.h" 32#include "PatchCache.h" 33#include "ProgramCache.h" 34#include "PathCache.h" 35#include "TextDropShadowCache.h" 36#include "FboCache.h" 37#include "ResourceCache.h" 38 39namespace android { 40namespace uirenderer { 41 42/////////////////////////////////////////////////////////////////////////////// 43// Globals 44/////////////////////////////////////////////////////////////////////////////// 45 46#define REQUIRED_TEXTURE_UNITS_COUNT 3 47 48#define REGION_MESH_QUAD_COUNT 512 49 50// Generates simple and textured vertices 51#define FV(x, y, u, v) { { x, y }, { u, v } } 52 53// This array is never used directly but used as a memcpy source in the 54// OpenGLRenderer constructor 55static const TextureVertex gMeshVertices[] = { 56 FV(0.0f, 0.0f, 0.0f, 0.0f), 57 FV(1.0f, 0.0f, 1.0f, 0.0f), 58 FV(0.0f, 1.0f, 0.0f, 1.0f), 59 FV(1.0f, 1.0f, 1.0f, 1.0f) 60}; 61static const GLsizei gMeshStride = sizeof(TextureVertex); 62static const GLsizei gMeshTextureOffset = 2 * sizeof(float); 63static const GLsizei gMeshCount = 4; 64 65/////////////////////////////////////////////////////////////////////////////// 66// Debug 67/////////////////////////////////////////////////////////////////////////////// 68 69struct CacheLogger { 70 CacheLogger() { 71 LOGD("Creating caches"); 72 } 73}; // struct CacheLogger 74 75/////////////////////////////////////////////////////////////////////////////// 76// Caches 77/////////////////////////////////////////////////////////////////////////////// 78 79class Caches: public Singleton<Caches> { 80 Caches(); 81 ~Caches(); 82 83 friend class Singleton<Caches>; 84 85 CacheLogger mLogger; 86 87 GLuint mCurrentBuffer; 88 89 // Used to render layers 90 TextureVertex* mRegionMesh; 91 GLuint mRegionMeshIndices; 92 93 mutable Mutex mGarbageLock; 94 Vector<GLuint> mFboGarbage; 95 Vector<GLuint> mTextureGarbage; 96 97public: 98 /** 99 * Indicates whether the renderer is in debug mode. 100 * This debug mode provides limited information to app developers. 101 */ 102 DebugLevel getDebugLevel() const { 103 return mDebugLevel; 104 } 105 106 /** 107 * Call this on each frame to ensure that garbage is deleted from 108 * GPU memory. 109 */ 110 void clearGarbage(); 111 112 /** 113 * Can be used to delete an FBO from a non EGL thread. 114 */ 115 void deleteFboDeferred(GLuint fbo); 116 117 /** 118 * Can be used to delete a texture from a non EGL thread. 119 */ 120 void deleteTextureDeferred(GLuint texture); 121 122 /** 123 * Binds the VBO used to render simple textured quads. 124 */ 125 void bindMeshBuffer(); 126 127 /** 128 * Binds the specified VBO if needed. 129 */ 130 void bindMeshBuffer(const GLuint buffer); 131 132 /** 133 * Unbinds the VBO used to render simple textured quads. 134 */ 135 void unbindMeshBuffer(); 136 137 /** 138 * Returns the mesh used to draw regions. Calling this method will 139 * bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the 140 * indices for the region mesh. 141 */ 142 TextureVertex* getRegionMesh(); 143 144 /** 145 * Displays the memory usage of each cache and the total sum. 146 */ 147 void dumpMemoryUsage(); 148 149 bool blend; 150 GLenum lastSrcMode; 151 GLenum lastDstMode; 152 Program* currentProgram; 153 154 // VBO to draw with 155 GLuint meshBuffer; 156 157 // GL extensions 158 Extensions extensions; 159 160 // Misc 161 GLint maxTextureSize; 162 163 TextureCache textureCache; 164 LayerCache layerCache; 165 GradientCache gradientCache; 166 ProgramCache programCache; 167 PathCache pathCache; 168 PatchCache patchCache; 169 TextDropShadowCache dropShadowCache; 170 FboCache fboCache; 171 GammaFontRenderer fontRenderer; 172 ResourceCache resourceCache; 173 174private: 175 DebugLevel mDebugLevel; 176}; // class Caches 177 178}; // namespace uirenderer 179}; // namespace android 180 181#endif // ANDROID_HWUI_CACHES_H 182