Caches.cpp revision 17ef62cc1f9d092669af0fed465a9a77e0dc1a4f
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 initFont(); 53 initExtensions(); 54 initConstraints(); 55 initProperties(); 56 57 mDebugLevel = readDebugLevel(); 58 ALOGD("Enabling debug mode %d", mDebugLevel); 59} 60 61void Caches::init() { 62 if (mInitialized) return; 63 64 glGenBuffers(1, &meshBuffer); 65 glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); 66 glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); 67 68 mCurrentBuffer = meshBuffer; 69 mCurrentIndicesBuffer = 0; 70 mCurrentPositionPointer = this; 71 mCurrentTexCoordsPointer = this; 72 73 mTexCoordsArrayEnabled = false; 74 75 glDisable(GL_SCISSOR_TEST); 76 scissorEnabled = false; 77 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 78 79 glActiveTexture(gTextureUnits[0]); 80 mTextureUnit = 0; 81 82 mRegionMesh = NULL; 83 84 blend = false; 85 lastSrcMode = GL_ZERO; 86 lastDstMode = GL_ZERO; 87 currentProgram = NULL; 88 89 mInitialized = true; 90} 91 92void Caches::initFont() { 93 fontRenderer = GammaFontRenderer::createRenderer(); 94} 95 96void Caches::initExtensions() { 97 if (extensions.hasDebugMarker()) { 98 eventMark = glInsertEventMarkerEXT; 99 startMark = glPushGroupMarkerEXT; 100 endMark = glPopGroupMarkerEXT; 101 } else { 102 eventMark = eventMarkNull; 103 startMark = startMarkNull; 104 endMark = endMarkNull; 105 } 106 107 if (extensions.hasDebugLabel()) { 108 setLabel = glLabelObjectEXT; 109 getLabel = glGetObjectLabelEXT; 110 } else { 111 setLabel = setLabelNull; 112 getLabel = getLabelNull; 113 } 114} 115 116void Caches::initConstraints() { 117 GLint maxTextureUnits; 118 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 119 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 120 ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 121 } 122 123 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 124} 125 126void Caches::initProperties() { 127 char property[PROPERTY_VALUE_MAX]; 128 if (property_get(PROPERTY_DEBUG_LAYERS_UPDATES, property, NULL) > 0) { 129 INIT_LOGD(" Layers updates debug enabled: %s", property); 130 debugLayersUpdates = !strcmp(property, "true"); 131 } else { 132 debugLayersUpdates = false; 133 } 134 135 if (property_get(PROPERTY_DEBUG_OVERDRAW, property, NULL) > 0) { 136 INIT_LOGD(" Overdraw debug enabled: %s", property); 137 debugOverdraw = !strcmp(property, "true"); 138 } else { 139 debugOverdraw = false; 140 } 141} 142 143void Caches::terminate() { 144 if (!mInitialized) return; 145 146 glDeleteBuffers(1, &meshBuffer); 147 mCurrentBuffer = 0; 148 149 glDeleteBuffers(1, &mRegionMeshIndices); 150 delete[] mRegionMesh; 151 mRegionMesh = NULL; 152 153 fboCache.clear(); 154 155 programCache.clear(); 156 currentProgram = NULL; 157 158 mInitialized = false; 159} 160 161/////////////////////////////////////////////////////////////////////////////// 162// Debug 163/////////////////////////////////////////////////////////////////////////////// 164 165void Caches::dumpMemoryUsage() { 166 String8 stringLog; 167 dumpMemoryUsage(stringLog); 168 ALOGD("%s", stringLog.string()); 169} 170 171void Caches::dumpMemoryUsage(String8 &log) { 172 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 173 log.appendFormat(" TextureCache %8d / %8d\n", 174 textureCache.getSize(), textureCache.getMaxSize()); 175 log.appendFormat(" LayerCache %8d / %8d\n", 176 layerCache.getSize(), layerCache.getMaxSize()); 177 log.appendFormat(" GradientCache %8d / %8d\n", 178 gradientCache.getSize(), gradientCache.getMaxSize()); 179 log.appendFormat(" PathCache %8d / %8d\n", 180 pathCache.getSize(), pathCache.getMaxSize()); 181 log.appendFormat(" CircleShapeCache %8d / %8d\n", 182 circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 183 log.appendFormat(" OvalShapeCache %8d / %8d\n", 184 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 185 log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 186 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 187 log.appendFormat(" RectShapeCache %8d / %8d\n", 188 rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 189 log.appendFormat(" ArcShapeCache %8d / %8d\n", 190 arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 191 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 192 dropShadowCache.getMaxSize()); 193 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 194 const uint32_t size = fontRenderer->getFontRendererSize(i); 195 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 196 } 197 log.appendFormat("Other:\n"); 198 log.appendFormat(" FboCache %8d / %8d\n", 199 fboCache.getSize(), fboCache.getMaxSize()); 200 log.appendFormat(" PatchCache %8d / %8d\n", 201 patchCache.getSize(), patchCache.getMaxSize()); 202 203 uint32_t total = 0; 204 total += textureCache.getSize(); 205 total += layerCache.getSize(); 206 total += gradientCache.getSize(); 207 total += pathCache.getSize(); 208 total += dropShadowCache.getSize(); 209 total += roundRectShapeCache.getSize(); 210 total += circleShapeCache.getSize(); 211 total += ovalShapeCache.getSize(); 212 total += rectShapeCache.getSize(); 213 total += arcShapeCache.getSize(); 214 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 215 total += fontRenderer->getFontRendererSize(i); 216 } 217 218 log.appendFormat("Total memory usage:\n"); 219 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 220} 221 222/////////////////////////////////////////////////////////////////////////////// 223// Memory management 224/////////////////////////////////////////////////////////////////////////////// 225 226void Caches::clearGarbage() { 227 textureCache.clearGarbage(); 228 pathCache.clearGarbage(); 229 230 Vector<DisplayList*> displayLists; 231 Vector<Layer*> layers; 232 233 { // scope for the lock 234 Mutex::Autolock _l(mGarbageLock); 235 displayLists = mDisplayListGarbage; 236 layers = mLayerGarbage; 237 mDisplayListGarbage.clear(); 238 mLayerGarbage.clear(); 239 } 240 241 size_t count = displayLists.size(); 242 for (size_t i = 0; i < count; i++) { 243 DisplayList* displayList = displayLists.itemAt(i); 244 delete displayList; 245 } 246 247 count = layers.size(); 248 for (size_t i = 0; i < count; i++) { 249 Layer* layer = layers.itemAt(i); 250 delete layer; 251 } 252 layers.clear(); 253} 254 255void Caches::deleteLayerDeferred(Layer* layer) { 256 Mutex::Autolock _l(mGarbageLock); 257 mLayerGarbage.push(layer); 258} 259 260void Caches::deleteDisplayListDeferred(DisplayList* displayList) { 261 Mutex::Autolock _l(mGarbageLock); 262 mDisplayListGarbage.push(displayList); 263} 264 265void Caches::flush(FlushMode mode) { 266 FLUSH_LOGD("Flushing caches (mode %d)", mode); 267 268 clearGarbage(); 269 270 switch (mode) { 271 case kFlushMode_Full: 272 textureCache.clear(); 273 patchCache.clear(); 274 dropShadowCache.clear(); 275 gradientCache.clear(); 276 fontRenderer->clear(); 277 dither.clear(); 278 // fall through 279 case kFlushMode_Moderate: 280 fontRenderer->flush(); 281 textureCache.flush(); 282 pathCache.clear(); 283 roundRectShapeCache.clear(); 284 circleShapeCache.clear(); 285 ovalShapeCache.clear(); 286 rectShapeCache.clear(); 287 arcShapeCache.clear(); 288 // fall through 289 case kFlushMode_Layers: 290 layerCache.clear(); 291 break; 292 } 293} 294 295/////////////////////////////////////////////////////////////////////////////// 296// VBO 297/////////////////////////////////////////////////////////////////////////////// 298 299bool Caches::bindMeshBuffer() { 300 return bindMeshBuffer(meshBuffer); 301} 302 303bool Caches::bindMeshBuffer(const GLuint buffer) { 304 if (mCurrentBuffer != buffer) { 305 glBindBuffer(GL_ARRAY_BUFFER, buffer); 306 mCurrentBuffer = buffer; 307 return true; 308 } 309 return false; 310} 311 312bool Caches::unbindMeshBuffer() { 313 if (mCurrentBuffer) { 314 glBindBuffer(GL_ARRAY_BUFFER, 0); 315 mCurrentBuffer = 0; 316 return true; 317 } 318 return false; 319} 320 321bool Caches::bindIndicesBuffer(const GLuint buffer) { 322 if (mCurrentIndicesBuffer != buffer) { 323 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer); 324 mCurrentIndicesBuffer = buffer; 325 return true; 326 } 327 return false; 328} 329 330bool Caches::unbindIndicesBuffer() { 331 if (mCurrentIndicesBuffer) { 332 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 333 mCurrentIndicesBuffer = 0; 334 return true; 335 } 336 return false; 337} 338 339/////////////////////////////////////////////////////////////////////////////// 340// Meshes and textures 341/////////////////////////////////////////////////////////////////////////////// 342 343void Caches::bindPositionVertexPointer(bool force, GLuint slot, GLvoid* vertices, GLsizei stride) { 344 if (force || vertices != mCurrentPositionPointer) { 345 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 346 mCurrentPositionPointer = vertices; 347 } 348} 349 350void Caches::bindTexCoordsVertexPointer(bool force, GLuint slot, GLvoid* vertices) { 351 if (force || vertices != mCurrentTexCoordsPointer) { 352 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, gMeshStride, vertices); 353 mCurrentTexCoordsPointer = vertices; 354 } 355} 356 357void Caches::resetVertexPointers() { 358 mCurrentPositionPointer = this; 359 mCurrentTexCoordsPointer = this; 360} 361 362void Caches::resetTexCoordsVertexPointer() { 363 mCurrentTexCoordsPointer = this; 364} 365 366void Caches::enableTexCoordsVertexArray() { 367 if (!mTexCoordsArrayEnabled) { 368 glEnableVertexAttribArray(Program::kBindingTexCoords); 369 mCurrentTexCoordsPointer = this; 370 mTexCoordsArrayEnabled = true; 371 } 372} 373 374void Caches::disbaleTexCoordsVertexArray() { 375 if (mTexCoordsArrayEnabled) { 376 glDisableVertexAttribArray(Program::kBindingTexCoords); 377 mTexCoordsArrayEnabled = false; 378 } 379} 380 381void Caches::activeTexture(GLuint textureUnit) { 382 if (mTextureUnit != textureUnit) { 383 glActiveTexture(gTextureUnits[textureUnit]); 384 mTextureUnit = textureUnit; 385 } 386} 387 388/////////////////////////////////////////////////////////////////////////////// 389// Scissor 390/////////////////////////////////////////////////////////////////////////////// 391 392bool Caches::setScissor(GLint x, GLint y, GLint width, GLint height) { 393 if (scissorEnabled && (x != mScissorX || y != mScissorY || 394 width != mScissorWidth || height != mScissorHeight)) { 395 396 if (x < 0) x = 0; 397 if (y < 0) y = 0; 398 399 glScissor(x, y, width, height); 400 401 mScissorX = x; 402 mScissorY = y; 403 mScissorWidth = width; 404 mScissorHeight = height; 405 406 return true; 407 } 408 return false; 409} 410 411bool Caches::enableScissor() { 412 if (!scissorEnabled) { 413 glEnable(GL_SCISSOR_TEST); 414 scissorEnabled = true; 415 return true; 416 } 417 return false; 418} 419 420bool Caches::disableScissor() { 421 if (scissorEnabled) { 422 glDisable(GL_SCISSOR_TEST); 423 scissorEnabled = false; 424 return true; 425 } 426 return false; 427} 428 429void Caches::setScissorEnabled(bool enabled) { 430 if (scissorEnabled != enabled) { 431 if (enabled) glEnable(GL_SCISSOR_TEST); 432 else glDisable(GL_SCISSOR_TEST); 433 scissorEnabled = enabled; 434 } 435} 436 437void Caches::resetScissor() { 438 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 439} 440 441/////////////////////////////////////////////////////////////////////////////// 442// Tiling 443/////////////////////////////////////////////////////////////////////////////// 444 445void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool opaque) { 446 if (extensions.hasTiledRendering() && !debugOverdraw) { 447 glStartTilingQCOM(x, y, width, height, (opaque ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM)); 448 } 449} 450 451void Caches::endTiling() { 452 if (extensions.hasTiledRendering() && !debugOverdraw) { 453 glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM); 454 } 455} 456 457/////////////////////////////////////////////////////////////////////////////// 458// Regions 459/////////////////////////////////////////////////////////////////////////////// 460 461TextureVertex* Caches::getRegionMesh() { 462 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 463 if (!mRegionMesh) { 464 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 465 466 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 467 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 468 uint16_t quad = i * 4; 469 int index = i * 6; 470 regionIndices[index ] = quad; // top-left 471 regionIndices[index + 1] = quad + 1; // top-right 472 regionIndices[index + 2] = quad + 2; // bottom-left 473 regionIndices[index + 3] = quad + 2; // bottom-left 474 regionIndices[index + 4] = quad + 1; // top-right 475 regionIndices[index + 5] = quad + 3; // bottom-right 476 } 477 478 glGenBuffers(1, &mRegionMeshIndices); 479 bindIndicesBuffer(mRegionMeshIndices); 480 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 481 regionIndices, GL_STATIC_DRAW); 482 483 delete[] regionIndices; 484 } else { 485 bindIndicesBuffer(mRegionMeshIndices); 486 } 487 488 return mRegionMesh; 489} 490 491}; // namespace uirenderer 492}; // namespace android 493