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 <cutils/compiler.h> 27 28 #include "Extensions.h" 29 #include "FontRenderer.h" 30 #include "GammaFontRenderer.h" 31 #include "TextureCache.h" 32 #include "LayerCache.h" 33 #include "GradientCache.h" 34 #include "PatchCache.h" 35 #include "ProgramCache.h" 36 #include "ShapeCache.h" 37 #include "PathCache.h" 38 #include "TextDropShadowCache.h" 39 #include "FboCache.h" 40 #include "ResourceCache.h" 41 #include "Stencil.h" 42 #include "Dither.h" 43 44 namespace android { 45 namespace uirenderer { 46 47 /////////////////////////////////////////////////////////////////////////////// 48 // Globals 49 /////////////////////////////////////////////////////////////////////////////// 50 51 #define REQUIRED_TEXTURE_UNITS_COUNT 3 52 53 #define REGION_MESH_QUAD_COUNT 512 54 55 // Generates simple and textured vertices 56 #define FV(x, y, u, v) { { x, y }, { u, v } } 57 58 // This array is never used directly but used as a memcpy source in the 59 // OpenGLRenderer constructor 60 static const TextureVertex gMeshVertices[] = { 61 FV(0.0f, 0.0f, 0.0f, 0.0f), 62 FV(1.0f, 0.0f, 1.0f, 0.0f), 63 FV(0.0f, 1.0f, 0.0f, 1.0f), 64 FV(1.0f, 1.0f, 1.0f, 1.0f) 65 }; 66 static const GLsizei gMeshStride = sizeof(TextureVertex); 67 static const GLsizei gVertexStride = sizeof(Vertex); 68 static const GLsizei gAlphaVertexStride = sizeof(AlphaVertex); 69 static const GLsizei gAAVertexStride = sizeof(AAVertex); 70 static const GLsizei gMeshTextureOffset = 2 * sizeof(float); 71 static const GLsizei gVertexAlphaOffset = 2 * sizeof(float); 72 static const GLsizei gVertexAAWidthOffset = 2 * sizeof(float); 73 static const GLsizei gVertexAALengthOffset = 3 * sizeof(float); 74 static const GLsizei gMeshCount = 4; 75 76 static const GLenum gTextureUnits[] = { 77 GL_TEXTURE0, 78 GL_TEXTURE1, 79 GL_TEXTURE2 80 }; 81 82 /////////////////////////////////////////////////////////////////////////////// 83 // Debug 84 /////////////////////////////////////////////////////////////////////////////// 85 86 struct CacheLogger { 87 CacheLogger() { 88 INIT_LOGD("Creating OpenGL renderer caches"); 89 } 90 }; // struct CacheLogger 91 92 /////////////////////////////////////////////////////////////////////////////// 93 // Caches 94 /////////////////////////////////////////////////////////////////////////////// 95 96 class DisplayList; 97 98 class ANDROID_API Caches: public Singleton<Caches> { 99 Caches(); 100 101 friend class Singleton<Caches>; 102 103 CacheLogger mLogger; 104 105 public: 106 enum FlushMode { 107 kFlushMode_Layers = 0, 108 kFlushMode_Moderate, 109 kFlushMode_Full 110 }; 111 112 /** 113 * Initialize caches. 114 */ 115 void init(); 116 117 /** 118 * Flush the cache. 119 * 120 * @param mode Indicates how much of the cache should be flushed 121 */ 122 void flush(FlushMode mode); 123 124 /** 125 * Destroys all resources associated with this cache. This should 126 * be called after a flush(kFlushMode_Full). 127 */ 128 void terminate(); 129 130 /** 131 * Indicates whether the renderer is in debug mode. 132 * This debug mode provides limited information to app developers. 133 */ 134 DebugLevel getDebugLevel() const { 135 return mDebugLevel; 136 } 137 138 /** 139 * Call this on each frame to ensure that garbage is deleted from 140 * GPU memory. 141 */ 142 void clearGarbage(); 143 144 /** 145 * Can be used to delete a layer from a non EGL thread. 146 */ 147 void deleteLayerDeferred(Layer* layer); 148 149 /* 150 * Can be used to delete a display list from a non EGL thread. 151 */ 152 void deleteDisplayListDeferred(DisplayList* layer); 153 154 /** 155 * Binds the VBO used to render simple textured quads. 156 */ 157 bool bindMeshBuffer(); 158 159 /** 160 * Binds the specified VBO if needed. 161 */ 162 bool bindMeshBuffer(const GLuint buffer); 163 164 /** 165 * Unbinds the VBO used to render simple textured quads. 166 */ 167 bool unbindMeshBuffer(); 168 169 bool bindIndicesBuffer(const GLuint buffer); 170 bool unbindIndicesBuffer(); 171 172 /** 173 * Binds an attrib to the specified float vertex pointer. 174 * Assumes a stride of gMeshStride and a size of 2. 175 */ 176 void bindPositionVertexPointer(bool force, GLvoid* vertices, GLsizei stride = gMeshStride); 177 178 /** 179 * Binds an attrib to the specified float vertex pointer. 180 * Assumes a stride of gMeshStride and a size of 2. 181 */ 182 void bindTexCoordsVertexPointer(bool force, GLvoid* vertices); 183 184 /** 185 * Resets the vertex pointers. 186 */ 187 void resetVertexPointers(); 188 void resetTexCoordsVertexPointer(); 189 190 void enableTexCoordsVertexArray(); 191 void disbaleTexCoordsVertexArray(); 192 193 /** 194 * Activate the specified texture unit. The texture unit must 195 * be specified using an integer number (0 for GL_TEXTURE0 etc.) 196 */ 197 void activeTexture(GLuint textureUnit); 198 199 /** 200 * Sets the scissor for the current surface. 201 */ 202 bool setScissor(GLint x, GLint y, GLint width, GLint height); 203 204 /** 205 * Resets the scissor state. 206 */ 207 void resetScissor(); 208 209 bool enableScissor(); 210 bool disableScissor(); 211 void setScissorEnabled(bool enabled); 212 213 void startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool opaque); 214 void endTiling(); 215 216 /** 217 * Returns the mesh used to draw regions. Calling this method will 218 * bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the 219 * indices for the region mesh. 220 */ 221 TextureVertex* getRegionMesh(); 222 223 /** 224 * Displays the memory usage of each cache and the total sum. 225 */ 226 void dumpMemoryUsage(); 227 void dumpMemoryUsage(String8& log); 228 229 bool hasRegisteredFunctors(); 230 void registerFunctors(uint32_t functorCount); 231 void unregisterFunctors(uint32_t functorCount); 232 233 bool blend; 234 GLenum lastSrcMode; 235 GLenum lastDstMode; 236 Program* currentProgram; 237 bool scissorEnabled; 238 239 // VBO to draw with 240 GLuint meshBuffer; 241 242 // GL extensions 243 Extensions extensions; 244 245 // Misc 246 GLint maxTextureSize; 247 bool debugLayersUpdates; 248 bool debugOverdraw; 249 250 TextureCache textureCache; 251 LayerCache layerCache; 252 GradientCache gradientCache; 253 ProgramCache programCache; 254 PathCache pathCache; 255 RoundRectShapeCache roundRectShapeCache; 256 CircleShapeCache circleShapeCache; 257 OvalShapeCache ovalShapeCache; 258 RectShapeCache rectShapeCache; 259 ArcShapeCache arcShapeCache; 260 PatchCache patchCache; 261 TextDropShadowCache dropShadowCache; 262 FboCache fboCache; 263 ResourceCache resourceCache; 264 265 GammaFontRenderer* fontRenderer; 266 267 Dither dither; 268 #if STENCIL_BUFFER_SIZE 269 Stencil stencil; 270 #endif 271 272 // Debug methods 273 PFNGLINSERTEVENTMARKEREXTPROC eventMark; 274 PFNGLPUSHGROUPMARKEREXTPROC startMark; 275 PFNGLPOPGROUPMARKEREXTPROC endMark; 276 277 PFNGLLABELOBJECTEXTPROC setLabel; 278 PFNGLGETOBJECTLABELEXTPROC getLabel; 279 280 private: 281 void initFont(); 282 void initExtensions(); 283 void initConstraints(); 284 void initProperties(); 285 286 static void eventMarkNull(GLsizei length, const GLchar* marker) { } 287 static void startMarkNull(GLsizei length, const GLchar* marker) { } 288 static void endMarkNull() { } 289 290 static void setLabelNull(GLenum type, uint object, GLsizei length, 291 const char* label) { } 292 static void getLabelNull(GLenum type, uint object, GLsizei bufferSize, 293 GLsizei* length, char* label) { 294 if (length) *length = 0; 295 if (label) *label = '\0'; 296 } 297 298 GLuint mCurrentBuffer; 299 GLuint mCurrentIndicesBuffer; 300 void* mCurrentPositionPointer; 301 GLsizei mCurrentPositionStride; 302 void* mCurrentTexCoordsPointer; 303 304 bool mTexCoordsArrayEnabled; 305 306 GLuint mTextureUnit; 307 308 GLint mScissorX; 309 GLint mScissorY; 310 GLint mScissorWidth; 311 GLint mScissorHeight; 312 313 // Used to render layers 314 TextureVertex* mRegionMesh; 315 GLuint mRegionMeshIndices; 316 317 mutable Mutex mGarbageLock; 318 Vector<Layer*> mLayerGarbage; 319 Vector<DisplayList*> mDisplayListGarbage; 320 321 DebugLevel mDebugLevel; 322 bool mInitialized; 323 324 uint32_t mFunctorsCount; 325 }; // class Caches 326 327 }; // namespace uirenderer 328 }; // namespace android 329 330 #endif // ANDROID_HWUI_CACHES_H 331
