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 27 namespace android { 28 29 #ifdef USE_OPENGL_RENDERER 30 using namespace uirenderer; 31 ANDROID_SINGLETON_STATIC_INSTANCE(Caches); 32 #endif 33 34 namespace 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 50 Caches::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 61 void 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 mCurrentPositionStride = 0; 72 mCurrentTexCoordsPointer = this; 73 74 mTexCoordsArrayEnabled = false; 75 76 glDisable(GL_SCISSOR_TEST); 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 mFunctorsCount = 0; 91 92 mInitialized = true; 93 } 94 95 void Caches::initFont() { 96 fontRenderer = GammaFontRenderer::createRenderer(); 97 } 98 99 void Caches::initExtensions() { 100 if (extensions.hasDebugMarker()) { 101 eventMark = glInsertEventMarkerEXT; 102 startMark = glPushGroupMarkerEXT; 103 endMark = glPopGroupMarkerEXT; 104 } else { 105 eventMark = eventMarkNull; 106 startMark = startMarkNull; 107 endMark = endMarkNull; 108 } 109 110 if (extensions.hasDebugLabel()) { 111 setLabel = glLabelObjectEXT; 112 getLabel = glGetObjectLabelEXT; 113 } else { 114 setLabel = setLabelNull; 115 getLabel = getLabelNull; 116 } 117 } 118 119 void Caches::initConstraints() { 120 GLint maxTextureUnits; 121 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 122 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 123 ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 124 } 125 126 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 127 } 128 129 void Caches::initProperties() { 130 char property[PROPERTY_VALUE_MAX]; 131 if (property_get(PROPERTY_DEBUG_LAYERS_UPDATES, property, NULL) > 0) { 132 INIT_LOGD(" Layers updates debug enabled: %s", property); 133 debugLayersUpdates = !strcmp(property, "true"); 134 } else { 135 debugLayersUpdates = false; 136 } 137 138 if (property_get(PROPERTY_DEBUG_OVERDRAW, property, NULL) > 0) { 139 INIT_LOGD(" Overdraw debug enabled: %s", property); 140 debugOverdraw = !strcmp(property, "true"); 141 } else { 142 debugOverdraw = false; 143 } 144 } 145 146 void Caches::terminate() { 147 if (!mInitialized) return; 148 149 glDeleteBuffers(1, &meshBuffer); 150 mCurrentBuffer = 0; 151 152 glDeleteBuffers(1, &mRegionMeshIndices); 153 delete[] mRegionMesh; 154 mRegionMesh = NULL; 155 156 fboCache.clear(); 157 158 programCache.clear(); 159 currentProgram = NULL; 160 161 mInitialized = false; 162 } 163 164 /////////////////////////////////////////////////////////////////////////////// 165 // Debug 166 /////////////////////////////////////////////////////////////////////////////// 167 168 void Caches::dumpMemoryUsage() { 169 String8 stringLog; 170 dumpMemoryUsage(stringLog); 171 ALOGD("%s", stringLog.string()); 172 } 173 174 void Caches::dumpMemoryUsage(String8 &log) { 175 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 176 log.appendFormat(" TextureCache %8d / %8d\n", 177 textureCache.getSize(), textureCache.getMaxSize()); 178 log.appendFormat(" LayerCache %8d / %8d\n", 179 layerCache.getSize(), layerCache.getMaxSize()); 180 log.appendFormat(" GradientCache %8d / %8d\n", 181 gradientCache.getSize(), gradientCache.getMaxSize()); 182 log.appendFormat(" PathCache %8d / %8d\n", 183 pathCache.getSize(), pathCache.getMaxSize()); 184 log.appendFormat(" CircleShapeCache %8d / %8d\n", 185 circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 186 log.appendFormat(" OvalShapeCache %8d / %8d\n", 187 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 188 log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 189 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 190 log.appendFormat(" RectShapeCache %8d / %8d\n", 191 rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 192 log.appendFormat(" ArcShapeCache %8d / %8d\n", 193 arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 194 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 195 dropShadowCache.getMaxSize()); 196 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 197 const uint32_t size = fontRenderer->getFontRendererSize(i); 198 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 199 } 200 log.appendFormat("Other:\n"); 201 log.appendFormat(" FboCache %8d / %8d\n", 202 fboCache.getSize(), fboCache.getMaxSize()); 203 log.appendFormat(" PatchCache %8d / %8d\n", 204 patchCache.getSize(), patchCache.getMaxSize()); 205 206 uint32_t total = 0; 207 total += textureCache.getSize(); 208 total += layerCache.getSize(); 209 total += gradientCache.getSize(); 210 total += pathCache.getSize(); 211 total += dropShadowCache.getSize(); 212 total += roundRectShapeCache.getSize(); 213 total += circleShapeCache.getSize(); 214 total += ovalShapeCache.getSize(); 215 total += rectShapeCache.getSize(); 216 total += arcShapeCache.getSize(); 217 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 218 total += fontRenderer->getFontRendererSize(i); 219 } 220 221 log.appendFormat("Total memory usage:\n"); 222 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 223 } 224 225 /////////////////////////////////////////////////////////////////////////////// 226 // Memory management 227 /////////////////////////////////////////////////////////////////////////////// 228 229 void Caches::clearGarbage() { 230 textureCache.clearGarbage(); 231 pathCache.clearGarbage(); 232 233 Vector<DisplayList*> displayLists; 234 Vector<Layer*> layers; 235 236 { // scope for the lock 237 Mutex::Autolock _l(mGarbageLock); 238 displayLists = mDisplayListGarbage; 239 layers = mLayerGarbage; 240 mDisplayListGarbage.clear(); 241 mLayerGarbage.clear(); 242 } 243 244 size_t count = displayLists.size(); 245 for (size_t i = 0; i < count; i++) { 246 DisplayList* displayList = displayLists.itemAt(i); 247 delete displayList; 248 } 249 250 count = layers.size(); 251 for (size_t i = 0; i < count; i++) { 252 Layer* layer = layers.itemAt(i); 253 delete layer; 254 } 255 layers.clear(); 256 } 257 258 void Caches::deleteLayerDeferred(Layer* layer) { 259 Mutex::Autolock _l(mGarbageLock); 260 mLayerGarbage.push(layer); 261 } 262 263 void Caches::deleteDisplayListDeferred(DisplayList* displayList) { 264 Mutex::Autolock _l(mGarbageLock); 265 mDisplayListGarbage.push(displayList); 266 } 267 268 void Caches::flush(FlushMode mode) { 269 FLUSH_LOGD("Flushing caches (mode %d)", mode); 270 271 switch (mode) { 272 case kFlushMode_Full: 273 textureCache.clear(); 274 patchCache.clear(); 275 dropShadowCache.clear(); 276 gradientCache.clear(); 277 fontRenderer->clear(); 278 dither.clear(); 279 // fall through 280 case kFlushMode_Moderate: 281 fontRenderer->flush(); 282 textureCache.flush(); 283 pathCache.clear(); 284 roundRectShapeCache.clear(); 285 circleShapeCache.clear(); 286 ovalShapeCache.clear(); 287 rectShapeCache.clear(); 288 arcShapeCache.clear(); 289 // fall through 290 case kFlushMode_Layers: 291 layerCache.clear(); 292 break; 293 } 294 295 clearGarbage(); 296 } 297 298 /////////////////////////////////////////////////////////////////////////////// 299 // VBO 300 /////////////////////////////////////////////////////////////////////////////// 301 302 bool Caches::bindMeshBuffer() { 303 return bindMeshBuffer(meshBuffer); 304 } 305 306 bool Caches::bindMeshBuffer(const GLuint buffer) { 307 if (mCurrentBuffer != buffer) { 308 glBindBuffer(GL_ARRAY_BUFFER, buffer); 309 mCurrentBuffer = buffer; 310 return true; 311 } 312 return false; 313 } 314 315 bool Caches::unbindMeshBuffer() { 316 if (mCurrentBuffer) { 317 glBindBuffer(GL_ARRAY_BUFFER, 0); 318 mCurrentBuffer = 0; 319 return true; 320 } 321 return false; 322 } 323 324 bool Caches::bindIndicesBuffer(const GLuint buffer) { 325 if (mCurrentIndicesBuffer != buffer) { 326 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer); 327 mCurrentIndicesBuffer = buffer; 328 return true; 329 } 330 return false; 331 } 332 333 bool Caches::unbindIndicesBuffer() { 334 if (mCurrentIndicesBuffer) { 335 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 336 mCurrentIndicesBuffer = 0; 337 return true; 338 } 339 return false; 340 } 341 342 /////////////////////////////////////////////////////////////////////////////// 343 // Meshes and textures 344 /////////////////////////////////////////////////////////////////////////////// 345 346 void Caches::bindPositionVertexPointer(bool force, GLvoid* vertices, GLsizei stride) { 347 if (force || vertices != mCurrentPositionPointer || stride != mCurrentPositionStride) { 348 GLuint slot = currentProgram->position; 349 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 350 mCurrentPositionPointer = vertices; 351 mCurrentPositionStride = stride; 352 } 353 } 354 355 void Caches::bindTexCoordsVertexPointer(bool force, GLvoid* vertices) { 356 if (force || vertices != mCurrentTexCoordsPointer) { 357 GLuint slot = currentProgram->texCoords; 358 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, gMeshStride, vertices); 359 mCurrentTexCoordsPointer = vertices; 360 } 361 } 362 363 void Caches::resetVertexPointers() { 364 mCurrentPositionPointer = this; 365 mCurrentTexCoordsPointer = this; 366 } 367 368 void Caches::resetTexCoordsVertexPointer() { 369 mCurrentTexCoordsPointer = this; 370 } 371 372 void Caches::enableTexCoordsVertexArray() { 373 if (!mTexCoordsArrayEnabled) { 374 glEnableVertexAttribArray(Program::kBindingTexCoords); 375 mCurrentTexCoordsPointer = this; 376 mTexCoordsArrayEnabled = true; 377 } 378 } 379 380 void Caches::disbaleTexCoordsVertexArray() { 381 if (mTexCoordsArrayEnabled) { 382 glDisableVertexAttribArray(Program::kBindingTexCoords); 383 mTexCoordsArrayEnabled = false; 384 } 385 } 386 387 void Caches::activeTexture(GLuint textureUnit) { 388 if (mTextureUnit != textureUnit) { 389 glActiveTexture(gTextureUnits[textureUnit]); 390 mTextureUnit = textureUnit; 391 } 392 } 393 394 /////////////////////////////////////////////////////////////////////////////// 395 // Scissor 396 /////////////////////////////////////////////////////////////////////////////// 397 398 bool Caches::setScissor(GLint x, GLint y, GLint width, GLint height) { 399 if (scissorEnabled && (x != mScissorX || y != mScissorY || 400 width != mScissorWidth || height != mScissorHeight)) { 401 402 if (x < 0) { 403 width += x; 404 x = 0; 405 } 406 if (y < 0) { 407 height += y; 408 y = 0; 409 } 410 if (width < 0) { 411 width = 0; 412 } 413 if (height < 0) { 414 height = 0; 415 } 416 glScissor(x, y, width, height); 417 418 mScissorX = x; 419 mScissorY = y; 420 mScissorWidth = width; 421 mScissorHeight = height; 422 423 return true; 424 } 425 return false; 426 } 427 428 bool Caches::enableScissor() { 429 if (!scissorEnabled) { 430 glEnable(GL_SCISSOR_TEST); 431 scissorEnabled = true; 432 resetScissor(); 433 return true; 434 } 435 return false; 436 } 437 438 bool Caches::disableScissor() { 439 if (scissorEnabled) { 440 glDisable(GL_SCISSOR_TEST); 441 scissorEnabled = false; 442 return true; 443 } 444 return false; 445 } 446 447 void Caches::setScissorEnabled(bool enabled) { 448 if (scissorEnabled != enabled) { 449 if (enabled) glEnable(GL_SCISSOR_TEST); 450 else glDisable(GL_SCISSOR_TEST); 451 scissorEnabled = enabled; 452 } 453 } 454 455 void Caches::resetScissor() { 456 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 457 } 458 459 /////////////////////////////////////////////////////////////////////////////// 460 // Tiling 461 /////////////////////////////////////////////////////////////////////////////// 462 463 void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool opaque) { 464 if (extensions.hasTiledRendering() && !debugOverdraw) { 465 glStartTilingQCOM(x, y, width, height, (opaque ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM)); 466 } 467 } 468 469 void Caches::endTiling() { 470 if (extensions.hasTiledRendering() && !debugOverdraw) { 471 glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM); 472 } 473 } 474 475 bool Caches::hasRegisteredFunctors() { 476 return mFunctorsCount > 0; 477 } 478 479 void Caches::registerFunctors(uint32_t functorCount) { 480 mFunctorsCount += functorCount; 481 } 482 483 void Caches::unregisterFunctors(uint32_t functorCount) { 484 if (functorCount > mFunctorsCount) { 485 mFunctorsCount = 0; 486 } else { 487 mFunctorsCount -= functorCount; 488 } 489 } 490 491 /////////////////////////////////////////////////////////////////////////////// 492 // Regions 493 /////////////////////////////////////////////////////////////////////////////// 494 495 TextureVertex* Caches::getRegionMesh() { 496 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 497 if (!mRegionMesh) { 498 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 499 500 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 501 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 502 uint16_t quad = i * 4; 503 int index = i * 6; 504 regionIndices[index ] = quad; // top-left 505 regionIndices[index + 1] = quad + 1; // top-right 506 regionIndices[index + 2] = quad + 2; // bottom-left 507 regionIndices[index + 3] = quad + 2; // bottom-left 508 regionIndices[index + 4] = quad + 1; // top-right 509 regionIndices[index + 5] = quad + 3; // bottom-right 510 } 511 512 glGenBuffers(1, &mRegionMeshIndices); 513 bindIndicesBuffer(mRegionMeshIndices); 514 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 515 regionIndices, GL_STATIC_DRAW); 516 517 delete[] regionIndices; 518 } else { 519 bindIndicesBuffer(mRegionMeshIndices); 520 } 521 522 return mRegionMesh; 523 } 524 525 }; // namespace uirenderer 526 }; // namespace android 527
