Caches.cpp revision 586cae3ac69c0c667fbf8a954edbd399f620a717
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#define LOG_TAG "OpenGLRenderer" 18 19#include <utils/Log.h> 20#include <utils/String8.h> 21 22#include "Caches.h" 23#include "DisplayListRenderer.h" 24#include "Properties.h" 25#include "LayerRenderer.h" 26 27namespace android { 28 29#ifdef USE_OPENGL_RENDERER 30using namespace uirenderer; 31ANDROID_SINGLETON_STATIC_INSTANCE(Caches); 32#endif 33 34namespace uirenderer { 35 36/////////////////////////////////////////////////////////////////////////////// 37// Macros 38/////////////////////////////////////////////////////////////////////////////// 39 40#if DEBUG_CACHE_FLUSH 41 #define FLUSH_LOGD(...) ALOGD(__VA_ARGS__) 42#else 43 #define FLUSH_LOGD(...) 44#endif 45 46/////////////////////////////////////////////////////////////////////////////// 47// Constructors/destructor 48/////////////////////////////////////////////////////////////////////////////// 49 50Caches::Caches(): Singleton<Caches>(), mInitialized(false) { 51 init(); 52 initExtensions(); 53 initConstraints(); 54 55 mDebugLevel = readDebugLevel(); 56 ALOGD("Enabling debug mode %d", mDebugLevel); 57 58#if RENDER_LAYERS_AS_REGIONS 59 INIT_LOGD("Layers will be composited as regions"); 60#endif 61} 62 63void Caches::init() { 64 if (mInitialized) return; 65 66 glGenBuffers(1, &meshBuffer); 67 glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); 68 glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); 69 70 mCurrentBuffer = meshBuffer; 71 mCurrentIndicesBuffer = 0; 72 mCurrentPositionPointer = this; 73 mCurrentTexCoordsPointer = this; 74 75 mTexCoordsArrayEnabled = false; 76 77 scissorEnabled = false; 78 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 79 80 glActiveTexture(gTextureUnits[0]); 81 mTextureUnit = 0; 82 83 mRegionMesh = NULL; 84 85 blend = false; 86 lastSrcMode = GL_ZERO; 87 lastDstMode = GL_ZERO; 88 currentProgram = NULL; 89 90 mInitialized = true; 91} 92 93void Caches::initExtensions() { 94 if (extensions.hasDebugMarker()) { 95 eventMark = glInsertEventMarkerEXT; 96 startMark = glPushGroupMarkerEXT; 97 endMark = glPopGroupMarkerEXT; 98 } else { 99 eventMark = eventMarkNull; 100 startMark = startMarkNull; 101 endMark = endMarkNull; 102 } 103 104 if (extensions.hasDebugLabel()) { 105 setLabel = glLabelObjectEXT; 106 getLabel = glGetObjectLabelEXT; 107 } else { 108 setLabel = setLabelNull; 109 getLabel = getLabelNull; 110 } 111} 112 113void Caches::initConstraints() { 114 GLint maxTextureUnits; 115 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 116 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 117 ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 118 } 119 120 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 121} 122 123void Caches::terminate() { 124 if (!mInitialized) return; 125 126 glDeleteBuffers(1, &meshBuffer); 127 mCurrentBuffer = 0; 128 129 glDeleteBuffers(1, &mRegionMeshIndices); 130 delete[] mRegionMesh; 131 mRegionMesh = NULL; 132 133 fboCache.clear(); 134 135 programCache.clear(); 136 currentProgram = NULL; 137 138 mInitialized = false; 139} 140 141/////////////////////////////////////////////////////////////////////////////// 142// Debug 143/////////////////////////////////////////////////////////////////////////////// 144 145void Caches::dumpMemoryUsage() { 146 String8 stringLog; 147 dumpMemoryUsage(stringLog); 148 ALOGD("%s", stringLog.string()); 149} 150 151void Caches::dumpMemoryUsage(String8 &log) { 152 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 153 log.appendFormat(" TextureCache %8d / %8d\n", 154 textureCache.getSize(), textureCache.getMaxSize()); 155 log.appendFormat(" LayerCache %8d / %8d\n", 156 layerCache.getSize(), layerCache.getMaxSize()); 157 log.appendFormat(" GradientCache %8d / %8d\n", 158 gradientCache.getSize(), gradientCache.getMaxSize()); 159 log.appendFormat(" PathCache %8d / %8d\n", 160 pathCache.getSize(), pathCache.getMaxSize()); 161 log.appendFormat(" CircleShapeCache %8d / %8d\n", 162 circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 163 log.appendFormat(" OvalShapeCache %8d / %8d\n", 164 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 165 log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 166 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 167 log.appendFormat(" RectShapeCache %8d / %8d\n", 168 rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 169 log.appendFormat(" ArcShapeCache %8d / %8d\n", 170 arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 171 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 172 dropShadowCache.getMaxSize()); 173 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 174 const uint32_t size = fontRenderer.getFontRendererSize(i); 175 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 176 } 177 log.appendFormat("Other:\n"); 178 log.appendFormat(" FboCache %8d / %8d\n", 179 fboCache.getSize(), fboCache.getMaxSize()); 180 log.appendFormat(" PatchCache %8d / %8d\n", 181 patchCache.getSize(), patchCache.getMaxSize()); 182 183 uint32_t total = 0; 184 total += textureCache.getSize(); 185 total += layerCache.getSize(); 186 total += gradientCache.getSize(); 187 total += pathCache.getSize(); 188 total += dropShadowCache.getSize(); 189 total += roundRectShapeCache.getSize(); 190 total += circleShapeCache.getSize(); 191 total += ovalShapeCache.getSize(); 192 total += rectShapeCache.getSize(); 193 total += arcShapeCache.getSize(); 194 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 195 total += fontRenderer.getFontRendererSize(i); 196 } 197 198 log.appendFormat("Total memory usage:\n"); 199 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 200} 201 202/////////////////////////////////////////////////////////////////////////////// 203// Memory management 204/////////////////////////////////////////////////////////////////////////////// 205 206void Caches::clearGarbage() { 207 textureCache.clearGarbage(); 208 pathCache.clearGarbage(); 209 210 Mutex::Autolock _l(mGarbageLock); 211 212 size_t count = mLayerGarbage.size(); 213 for (size_t i = 0; i < count; i++) { 214 Layer* layer = mLayerGarbage.itemAt(i); 215 LayerRenderer::destroyLayer(layer); 216 } 217 mLayerGarbage.clear(); 218 219 count = mDisplayListGarbage.size(); 220 for (size_t i = 0; i < count; i++) { 221 DisplayList* displayList = mDisplayListGarbage.itemAt(i); 222 delete displayList; 223 } 224 mDisplayListGarbage.clear(); 225} 226 227void Caches::deleteLayerDeferred(Layer* layer) { 228 Mutex::Autolock _l(mGarbageLock); 229 mLayerGarbage.push(layer); 230} 231 232void Caches::deleteDisplayListDeferred(DisplayList* displayList) { 233 Mutex::Autolock _l(mGarbageLock); 234 mDisplayListGarbage.push(displayList); 235} 236 237void Caches::flush(FlushMode mode) { 238 FLUSH_LOGD("Flushing caches (mode %d)", mode); 239 240 clearGarbage(); 241 242 switch (mode) { 243 case kFlushMode_Full: 244 textureCache.clear(); 245 patchCache.clear(); 246 dropShadowCache.clear(); 247 gradientCache.clear(); 248 fontRenderer.clear(); 249 // fall through 250 case kFlushMode_Moderate: 251 fontRenderer.flush(); 252 textureCache.flush(); 253 pathCache.clear(); 254 roundRectShapeCache.clear(); 255 circleShapeCache.clear(); 256 ovalShapeCache.clear(); 257 rectShapeCache.clear(); 258 arcShapeCache.clear(); 259 // fall through 260 case kFlushMode_Layers: 261 layerCache.clear(); 262 break; 263 } 264} 265 266/////////////////////////////////////////////////////////////////////////////// 267// VBO 268/////////////////////////////////////////////////////////////////////////////// 269 270bool Caches::bindMeshBuffer() { 271 return bindMeshBuffer(meshBuffer); 272} 273 274bool Caches::bindMeshBuffer(const GLuint buffer) { 275 if (mCurrentBuffer != buffer) { 276 glBindBuffer(GL_ARRAY_BUFFER, buffer); 277 mCurrentBuffer = buffer; 278 return true; 279 } 280 return false; 281} 282 283bool Caches::unbindMeshBuffer() { 284 if (mCurrentBuffer) { 285 glBindBuffer(GL_ARRAY_BUFFER, 0); 286 mCurrentBuffer = 0; 287 return true; 288 } 289 return false; 290} 291 292bool Caches::bindIndicesBuffer(const GLuint buffer) { 293 if (mCurrentIndicesBuffer != buffer) { 294 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer); 295 mCurrentIndicesBuffer = buffer; 296 return true; 297 } 298 return false; 299} 300 301bool Caches::unbindIndicesBuffer() { 302 if (mCurrentIndicesBuffer) { 303 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 304 mCurrentIndicesBuffer = 0; 305 return true; 306 } 307 return false; 308} 309 310void Caches::bindPositionVertexPointer(bool force, GLuint slot, GLvoid* vertices, GLsizei stride) { 311 if (force || vertices != mCurrentPositionPointer) { 312 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 313 mCurrentPositionPointer = vertices; 314 } 315} 316 317void Caches::bindTexCoordsVertexPointer(bool force, GLuint slot, GLvoid* vertices) { 318 if (force || vertices != mCurrentTexCoordsPointer) { 319 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, gMeshStride, vertices); 320 mCurrentTexCoordsPointer = vertices; 321 } 322} 323 324void Caches::resetVertexPointers() { 325 mCurrentPositionPointer = this; 326 mCurrentTexCoordsPointer = this; 327} 328 329void Caches::resetTexCoordsVertexPointer() { 330 mCurrentTexCoordsPointer = this; 331} 332 333void Caches::enableTexCoordsVertexArray() { 334 if (!mTexCoordsArrayEnabled) { 335 glEnableVertexAttribArray(Program::kBindingTexCoords); 336 mCurrentTexCoordsPointer = this; 337 mTexCoordsArrayEnabled = true; 338 } 339} 340 341void Caches::disbaleTexCoordsVertexArray() { 342 if (mTexCoordsArrayEnabled) { 343 glDisableVertexAttribArray(Program::kBindingTexCoords); 344 mTexCoordsArrayEnabled = false; 345 } 346} 347 348void Caches::activeTexture(GLuint textureUnit) { 349 if (mTextureUnit != textureUnit) { 350 glActiveTexture(gTextureUnits[textureUnit]); 351 mTextureUnit = textureUnit; 352 } 353} 354 355void Caches::setScissor(GLint x, GLint y, GLint width, GLint height) { 356 if (scissorEnabled && (x != mScissorX || y != mScissorY || 357 width != mScissorWidth || height != mScissorHeight)) { 358 359 glScissor(x, y, width, height); 360 361 mScissorX = x; 362 mScissorY = y; 363 mScissorWidth = width; 364 mScissorHeight = height; 365 } 366} 367 368void Caches::enableScissor() { 369 if (!scissorEnabled) { 370 glEnable(GL_SCISSOR_TEST); 371 scissorEnabled = true; 372 } 373} 374 375void Caches::disableScissor() { 376 if (scissorEnabled) { 377 glDisable(GL_SCISSOR_TEST); 378 scissorEnabled = false; 379 } 380} 381 382void Caches::setScissorEnabled(bool enabled) { 383 if (scissorEnabled != enabled) { 384 if (enabled) glEnable(GL_SCISSOR_TEST); 385 else glDisable(GL_SCISSOR_TEST); 386 scissorEnabled = enabled; 387 } 388} 389 390void Caches::resetScissor() { 391 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 392} 393 394TextureVertex* Caches::getRegionMesh() { 395 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 396 if (!mRegionMesh) { 397 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 398 399 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 400 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 401 uint16_t quad = i * 4; 402 int index = i * 6; 403 regionIndices[index ] = quad; // top-left 404 regionIndices[index + 1] = quad + 1; // top-right 405 regionIndices[index + 2] = quad + 2; // bottom-left 406 regionIndices[index + 3] = quad + 2; // bottom-left 407 regionIndices[index + 4] = quad + 1; // top-right 408 regionIndices[index + 5] = quad + 3; // bottom-right 409 } 410 411 glGenBuffers(1, &mRegionMeshIndices); 412 bindIndicesBuffer(mRegionMeshIndices); 413 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 414 regionIndices, GL_STATIC_DRAW); 415 416 delete[] regionIndices; 417 } else { 418 bindIndicesBuffer(mRegionMeshIndices); 419 } 420 421 return mRegionMesh; 422} 423 424}; // namespace uirenderer 425}; // namespace android 426