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>(), mExtensions(Extensions::getInstance()), mInitialized(false) { 51 init(); 52 initFont(); 53 initConstraints(); 54 initProperties(); 55 initExtensions(); 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 mCurrentPixelBuffer = 0; 74 75 mTexCoordsArrayEnabled = false; 76 77 glDisable(GL_SCISSOR_TEST); 78 scissorEnabled = false; 79 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 80 81 glActiveTexture(gTextureUnits[0]); 82 mTextureUnit = 0; 83 84 mRegionMesh = NULL; 85 86 blend = false; 87 lastSrcMode = GL_ZERO; 88 lastDstMode = GL_ZERO; 89 currentProgram = NULL; 90 91 mFunctorsCount = 0; 92 93 debugLayersUpdates = false; 94 debugOverdraw = false; 95 debugStencilClip = kStencilHide; 96 97 mInitialized = true; 98 } 99 100 void Caches::initFont() { 101 fontRenderer = GammaFontRenderer::createRenderer(); 102 } 103 104 void Caches::initExtensions() { 105 if (mExtensions.hasDebugMarker()) { 106 eventMark = glInsertEventMarkerEXT; 107 108 startMark = glPushGroupMarkerEXT; 109 endMark = glPopGroupMarkerEXT; 110 } else { 111 eventMark = eventMarkNull; 112 startMark = startMarkNull; 113 endMark = endMarkNull; 114 } 115 116 if (mExtensions.hasDebugLabel() && (drawDeferDisabled || drawReorderDisabled)) { 117 setLabel = glLabelObjectEXT; 118 getLabel = glGetObjectLabelEXT; 119 } else { 120 setLabel = setLabelNull; 121 getLabel = getLabelNull; 122 } 123 } 124 125 void Caches::initConstraints() { 126 GLint maxTextureUnits; 127 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 128 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 129 ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 130 } 131 132 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 133 } 134 135 bool Caches::initProperties() { 136 bool prevDebugLayersUpdates = debugLayersUpdates; 137 bool prevDebugOverdraw = debugOverdraw; 138 StencilClipDebug prevDebugStencilClip = debugStencilClip; 139 140 char property[PROPERTY_VALUE_MAX]; 141 if (property_get(PROPERTY_DEBUG_LAYERS_UPDATES, property, NULL) > 0) { 142 INIT_LOGD(" Layers updates debug enabled: %s", property); 143 debugLayersUpdates = !strcmp(property, "true"); 144 } else { 145 debugLayersUpdates = false; 146 } 147 148 if (property_get(PROPERTY_DEBUG_OVERDRAW, property, NULL) > 0) { 149 INIT_LOGD(" Overdraw debug enabled: %s", property); 150 debugOverdraw = !strcmp(property, "true"); 151 } else { 152 debugOverdraw = false; 153 } 154 155 // See Properties.h for valid values 156 if (property_get(PROPERTY_DEBUG_STENCIL_CLIP, property, NULL) > 0) { 157 INIT_LOGD(" Stencil clip debug enabled: %s", property); 158 if (!strcmp(property, "hide")) { 159 debugStencilClip = kStencilHide; 160 } else if (!strcmp(property, "highlight")) { 161 debugStencilClip = kStencilShowHighlight; 162 } else if (!strcmp(property, "region")) { 163 debugStencilClip = kStencilShowRegion; 164 } 165 } else { 166 debugStencilClip = kStencilHide; 167 } 168 169 if (property_get(PROPERTY_DISABLE_DRAW_DEFER, property, "false")) { 170 drawDeferDisabled = !strcasecmp(property, "true"); 171 INIT_LOGD(" Draw defer %s", drawDeferDisabled ? "disabled" : "enabled"); 172 } else { 173 INIT_LOGD(" Draw defer enabled"); 174 } 175 176 if (property_get(PROPERTY_DISABLE_DRAW_REORDER, property, "false")) { 177 drawReorderDisabled = !strcasecmp(property, "true"); 178 INIT_LOGD(" Draw reorder %s", drawReorderDisabled ? "disabled" : "enabled"); 179 } else { 180 INIT_LOGD(" Draw reorder enabled"); 181 } 182 183 return (prevDebugLayersUpdates != debugLayersUpdates) || 184 (prevDebugOverdraw != debugOverdraw) || 185 (prevDebugStencilClip != debugStencilClip); 186 } 187 188 void Caches::terminate() { 189 if (!mInitialized) return; 190 191 glDeleteBuffers(1, &meshBuffer); 192 mCurrentBuffer = 0; 193 194 glDeleteBuffers(1, &mRegionMeshIndices); 195 delete[] mRegionMesh; 196 mRegionMesh = NULL; 197 198 fboCache.clear(); 199 200 programCache.clear(); 201 currentProgram = NULL; 202 203 mInitialized = false; 204 } 205 206 /////////////////////////////////////////////////////////////////////////////// 207 // Debug 208 /////////////////////////////////////////////////////////////////////////////// 209 210 void Caches::dumpMemoryUsage() { 211 String8 stringLog; 212 dumpMemoryUsage(stringLog); 213 ALOGD("%s", stringLog.string()); 214 } 215 216 void Caches::dumpMemoryUsage(String8 &log) { 217 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 218 log.appendFormat(" TextureCache %8d / %8d\n", 219 textureCache.getSize(), textureCache.getMaxSize()); 220 log.appendFormat(" LayerCache %8d / %8d\n", 221 layerCache.getSize(), layerCache.getMaxSize()); 222 log.appendFormat(" RenderBufferCache %8d / %8d\n", 223 renderBufferCache.getSize(), renderBufferCache.getMaxSize()); 224 log.appendFormat(" GradientCache %8d / %8d\n", 225 gradientCache.getSize(), gradientCache.getMaxSize()); 226 log.appendFormat(" PathCache %8d / %8d\n", 227 pathCache.getSize(), pathCache.getMaxSize()); 228 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 229 dropShadowCache.getMaxSize()); 230 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 231 const uint32_t size = fontRenderer->getFontRendererSize(i); 232 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 233 } 234 log.appendFormat("Other:\n"); 235 log.appendFormat(" FboCache %8d / %8d\n", 236 fboCache.getSize(), fboCache.getMaxSize()); 237 log.appendFormat(" PatchCache %8d / %8d\n", 238 patchCache.getSize(), patchCache.getMaxSize()); 239 240 uint32_t total = 0; 241 total += textureCache.getSize(); 242 total += layerCache.getSize(); 243 total += renderBufferCache.getSize(); 244 total += gradientCache.getSize(); 245 total += pathCache.getSize(); 246 total += dropShadowCache.getSize(); 247 for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) { 248 total += fontRenderer->getFontRendererSize(i); 249 } 250 251 log.appendFormat("Total memory usage:\n"); 252 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 253 } 254 255 /////////////////////////////////////////////////////////////////////////////// 256 // Memory management 257 /////////////////////////////////////////////////////////////////////////////// 258 259 void Caches::clearGarbage() { 260 textureCache.clearGarbage(); 261 pathCache.clearGarbage(); 262 263 Vector<DisplayList*> displayLists; 264 Vector<Layer*> layers; 265 266 { // scope for the lock 267 Mutex::Autolock _l(mGarbageLock); 268 displayLists = mDisplayListGarbage; 269 layers = mLayerGarbage; 270 mDisplayListGarbage.clear(); 271 mLayerGarbage.clear(); 272 } 273 274 size_t count = displayLists.size(); 275 for (size_t i = 0; i < count; i++) { 276 DisplayList* displayList = displayLists.itemAt(i); 277 delete displayList; 278 } 279 280 count = layers.size(); 281 for (size_t i = 0; i < count; i++) { 282 Layer* layer = layers.itemAt(i); 283 delete layer; 284 } 285 layers.clear(); 286 } 287 288 void Caches::deleteLayerDeferred(Layer* layer) { 289 Mutex::Autolock _l(mGarbageLock); 290 mLayerGarbage.push(layer); 291 } 292 293 void Caches::deleteDisplayListDeferred(DisplayList* displayList) { 294 Mutex::Autolock _l(mGarbageLock); 295 mDisplayListGarbage.push(displayList); 296 } 297 298 void Caches::flush(FlushMode mode) { 299 FLUSH_LOGD("Flushing caches (mode %d)", mode); 300 301 switch (mode) { 302 case kFlushMode_Full: 303 textureCache.clear(); 304 patchCache.clear(); 305 dropShadowCache.clear(); 306 gradientCache.clear(); 307 fontRenderer->clear(); 308 dither.clear(); 309 // fall through 310 case kFlushMode_Moderate: 311 fontRenderer->flush(); 312 textureCache.flush(); 313 pathCache.clear(); 314 tasks.stop(); 315 // fall through 316 case kFlushMode_Layers: 317 layerCache.clear(); 318 renderBufferCache.clear(); 319 break; 320 } 321 322 clearGarbage(); 323 } 324 325 /////////////////////////////////////////////////////////////////////////////// 326 // VBO 327 /////////////////////////////////////////////////////////////////////////////// 328 329 bool Caches::bindMeshBuffer() { 330 return bindMeshBuffer(meshBuffer); 331 } 332 333 bool Caches::bindMeshBuffer(const GLuint buffer) { 334 if (mCurrentBuffer != buffer) { 335 glBindBuffer(GL_ARRAY_BUFFER, buffer); 336 mCurrentBuffer = buffer; 337 return true; 338 } 339 return false; 340 } 341 342 bool Caches::unbindMeshBuffer() { 343 if (mCurrentBuffer) { 344 glBindBuffer(GL_ARRAY_BUFFER, 0); 345 mCurrentBuffer = 0; 346 return true; 347 } 348 return false; 349 } 350 351 bool Caches::bindIndicesBuffer(const GLuint buffer) { 352 if (mCurrentIndicesBuffer != buffer) { 353 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer); 354 mCurrentIndicesBuffer = buffer; 355 return true; 356 } 357 return false; 358 } 359 360 bool Caches::unbindIndicesBuffer() { 361 if (mCurrentIndicesBuffer) { 362 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 363 mCurrentIndicesBuffer = 0; 364 return true; 365 } 366 return false; 367 } 368 369 /////////////////////////////////////////////////////////////////////////////// 370 // PBO 371 /////////////////////////////////////////////////////////////////////////////// 372 373 bool Caches::bindPixelBuffer(const GLuint buffer) { 374 if (mCurrentPixelBuffer != buffer) { 375 glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer); 376 mCurrentPixelBuffer = buffer; 377 return true; 378 } 379 return false; 380 } 381 382 bool Caches::unbindPixelBuffer() { 383 if (mCurrentPixelBuffer) { 384 glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); 385 mCurrentPixelBuffer = 0; 386 return true; 387 } 388 return false; 389 } 390 391 /////////////////////////////////////////////////////////////////////////////// 392 // Meshes and textures 393 /////////////////////////////////////////////////////////////////////////////// 394 395 void Caches::bindPositionVertexPointer(bool force, GLvoid* vertices, GLsizei stride) { 396 if (force || vertices != mCurrentPositionPointer || stride != mCurrentPositionStride) { 397 GLuint slot = currentProgram->position; 398 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 399 mCurrentPositionPointer = vertices; 400 mCurrentPositionStride = stride; 401 } 402 } 403 404 void Caches::bindTexCoordsVertexPointer(bool force, GLvoid* vertices, GLsizei stride) { 405 if (force || vertices != mCurrentTexCoordsPointer || stride != mCurrentTexCoordsStride) { 406 GLuint slot = currentProgram->texCoords; 407 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 408 mCurrentTexCoordsPointer = vertices; 409 mCurrentTexCoordsStride = stride; 410 } 411 } 412 413 void Caches::resetVertexPointers() { 414 mCurrentPositionPointer = this; 415 mCurrentTexCoordsPointer = this; 416 } 417 418 void Caches::resetTexCoordsVertexPointer() { 419 mCurrentTexCoordsPointer = this; 420 } 421 422 void Caches::enableTexCoordsVertexArray() { 423 if (!mTexCoordsArrayEnabled) { 424 glEnableVertexAttribArray(Program::kBindingTexCoords); 425 mCurrentTexCoordsPointer = this; 426 mTexCoordsArrayEnabled = true; 427 } 428 } 429 430 void Caches::disableTexCoordsVertexArray() { 431 if (mTexCoordsArrayEnabled) { 432 glDisableVertexAttribArray(Program::kBindingTexCoords); 433 mTexCoordsArrayEnabled = false; 434 } 435 } 436 437 void Caches::activeTexture(GLuint textureUnit) { 438 if (mTextureUnit != textureUnit) { 439 glActiveTexture(gTextureUnits[textureUnit]); 440 mTextureUnit = textureUnit; 441 } 442 } 443 444 /////////////////////////////////////////////////////////////////////////////// 445 // Scissor 446 /////////////////////////////////////////////////////////////////////////////// 447 448 bool Caches::setScissor(GLint x, GLint y, GLint width, GLint height) { 449 if (scissorEnabled && (x != mScissorX || y != mScissorY || 450 width != mScissorWidth || height != mScissorHeight)) { 451 452 if (x < 0) { 453 width += x; 454 x = 0; 455 } 456 if (y < 0) { 457 height += y; 458 y = 0; 459 } 460 if (width < 0) { 461 width = 0; 462 } 463 if (height < 0) { 464 height = 0; 465 } 466 glScissor(x, y, width, height); 467 468 mScissorX = x; 469 mScissorY = y; 470 mScissorWidth = width; 471 mScissorHeight = height; 472 473 return true; 474 } 475 return false; 476 } 477 478 bool Caches::enableScissor() { 479 if (!scissorEnabled) { 480 glEnable(GL_SCISSOR_TEST); 481 scissorEnabled = true; 482 resetScissor(); 483 return true; 484 } 485 return false; 486 } 487 488 bool Caches::disableScissor() { 489 if (scissorEnabled) { 490 glDisable(GL_SCISSOR_TEST); 491 scissorEnabled = false; 492 return true; 493 } 494 return false; 495 } 496 497 void Caches::setScissorEnabled(bool enabled) { 498 if (scissorEnabled != enabled) { 499 if (enabled) glEnable(GL_SCISSOR_TEST); 500 else glDisable(GL_SCISSOR_TEST); 501 scissorEnabled = enabled; 502 } 503 } 504 505 void Caches::resetScissor() { 506 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 507 } 508 509 /////////////////////////////////////////////////////////////////////////////// 510 // Tiling 511 /////////////////////////////////////////////////////////////////////////////// 512 513 void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool discard) { 514 if (mExtensions.hasTiledRendering() && !debugOverdraw) { 515 glStartTilingQCOM(x, y, width, height, (discard ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM)); 516 } 517 } 518 519 void Caches::endTiling() { 520 if (mExtensions.hasTiledRendering() && !debugOverdraw) { 521 glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM); 522 } 523 } 524 525 bool Caches::hasRegisteredFunctors() { 526 return mFunctorsCount > 0; 527 } 528 529 void Caches::registerFunctors(uint32_t functorCount) { 530 mFunctorsCount += functorCount; 531 } 532 533 void Caches::unregisterFunctors(uint32_t functorCount) { 534 if (functorCount > mFunctorsCount) { 535 mFunctorsCount = 0; 536 } else { 537 mFunctorsCount -= functorCount; 538 } 539 } 540 541 /////////////////////////////////////////////////////////////////////////////// 542 // Regions 543 /////////////////////////////////////////////////////////////////////////////// 544 545 TextureVertex* Caches::getRegionMesh() { 546 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 547 if (!mRegionMesh) { 548 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 549 550 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 551 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 552 uint16_t quad = i * 4; 553 int index = i * 6; 554 regionIndices[index ] = quad; // top-left 555 regionIndices[index + 1] = quad + 1; // top-right 556 regionIndices[index + 2] = quad + 2; // bottom-left 557 regionIndices[index + 3] = quad + 2; // bottom-left 558 regionIndices[index + 4] = quad + 1; // top-right 559 regionIndices[index + 5] = quad + 3; // bottom-right 560 } 561 562 glGenBuffers(1, &mRegionMeshIndices); 563 bindIndicesBuffer(mRegionMeshIndices); 564 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 565 regionIndices, GL_STATIC_DRAW); 566 567 delete[] regionIndices; 568 } else { 569 bindIndicesBuffer(mRegionMeshIndices); 570 } 571 572 return mRegionMesh; 573 } 574 575 }; // namespace uirenderer 576 }; // namespace android 577
