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 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::initExtensions() { 93 if (extensions.hasDebugMarker()) { 94 eventMark = glInsertEventMarkerEXT; 95 startMark = glPushGroupMarkerEXT; 96 endMark = glPopGroupMarkerEXT; 97 } else { 98 eventMark = eventMarkNull; 99 startMark = startMarkNull; 100 endMark = endMarkNull; 101 } 102 103 if (extensions.hasDebugLabel()) { 104 setLabel = glLabelObjectEXT; 105 getLabel = glGetObjectLabelEXT; 106 } else { 107 setLabel = setLabelNull; 108 getLabel = getLabelNull; 109 } 110} 111 112void Caches::initConstraints() { 113 GLint maxTextureUnits; 114 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 115 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 116 ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 117 } 118 119 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 120} 121 122void Caches::terminate() { 123 if (!mInitialized) return; 124 125 glDeleteBuffers(1, &meshBuffer); 126 mCurrentBuffer = 0; 127 128 glDeleteBuffers(1, &mRegionMeshIndices); 129 delete[] mRegionMesh; 130 mRegionMesh = NULL; 131 132 fboCache.clear(); 133 134 programCache.clear(); 135 currentProgram = NULL; 136 137 mInitialized = false; 138} 139 140/////////////////////////////////////////////////////////////////////////////// 141// Debug 142/////////////////////////////////////////////////////////////////////////////// 143 144void Caches::dumpMemoryUsage() { 145 String8 stringLog; 146 dumpMemoryUsage(stringLog); 147 ALOGD("%s", stringLog.string()); 148} 149 150void Caches::dumpMemoryUsage(String8 &log) { 151 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 152 log.appendFormat(" TextureCache %8d / %8d\n", 153 textureCache.getSize(), textureCache.getMaxSize()); 154 log.appendFormat(" LayerCache %8d / %8d\n", 155 layerCache.getSize(), layerCache.getMaxSize()); 156 log.appendFormat(" GradientCache %8d / %8d\n", 157 gradientCache.getSize(), gradientCache.getMaxSize()); 158 log.appendFormat(" PathCache %8d / %8d\n", 159 pathCache.getSize(), pathCache.getMaxSize()); 160 log.appendFormat(" CircleShapeCache %8d / %8d\n", 161 circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 162 log.appendFormat(" OvalShapeCache %8d / %8d\n", 163 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 164 log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 165 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 166 log.appendFormat(" RectShapeCache %8d / %8d\n", 167 rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 168 log.appendFormat(" ArcShapeCache %8d / %8d\n", 169 arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 170 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 171 dropShadowCache.getMaxSize()); 172 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 173 const uint32_t size = fontRenderer.getFontRendererSize(i); 174 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 175 } 176 log.appendFormat("Other:\n"); 177 log.appendFormat(" FboCache %8d / %8d\n", 178 fboCache.getSize(), fboCache.getMaxSize()); 179 log.appendFormat(" PatchCache %8d / %8d\n", 180 patchCache.getSize(), patchCache.getMaxSize()); 181 182 uint32_t total = 0; 183 total += textureCache.getSize(); 184 total += layerCache.getSize(); 185 total += gradientCache.getSize(); 186 total += pathCache.getSize(); 187 total += dropShadowCache.getSize(); 188 total += roundRectShapeCache.getSize(); 189 total += circleShapeCache.getSize(); 190 total += ovalShapeCache.getSize(); 191 total += rectShapeCache.getSize(); 192 total += arcShapeCache.getSize(); 193 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 194 total += fontRenderer.getFontRendererSize(i); 195 } 196 197 log.appendFormat("Total memory usage:\n"); 198 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 199} 200 201/////////////////////////////////////////////////////////////////////////////// 202// Memory management 203/////////////////////////////////////////////////////////////////////////////// 204 205void Caches::clearGarbage() { 206 textureCache.clearGarbage(); 207 pathCache.clearGarbage(); 208 209 Mutex::Autolock _l(mGarbageLock); 210 211 size_t count = mLayerGarbage.size(); 212 for (size_t i = 0; i < count; i++) { 213 Layer* layer = mLayerGarbage.itemAt(i); 214 LayerRenderer::destroyLayer(layer); 215 } 216 mLayerGarbage.clear(); 217 218 count = mDisplayListGarbage.size(); 219 for (size_t i = 0; i < count; i++) { 220 DisplayList* displayList = mDisplayListGarbage.itemAt(i); 221 delete displayList; 222 } 223 mDisplayListGarbage.clear(); 224} 225 226void Caches::deleteLayerDeferred(Layer* layer) { 227 Mutex::Autolock _l(mGarbageLock); 228 mLayerGarbage.push(layer); 229} 230 231void Caches::deleteDisplayListDeferred(DisplayList* displayList) { 232 Mutex::Autolock _l(mGarbageLock); 233 mDisplayListGarbage.push(displayList); 234} 235 236void Caches::flush(FlushMode mode) { 237 FLUSH_LOGD("Flushing caches (mode %d)", mode); 238 239 clearGarbage(); 240 241 switch (mode) { 242 case kFlushMode_Full: 243 textureCache.clear(); 244 patchCache.clear(); 245 dropShadowCache.clear(); 246 gradientCache.clear(); 247 fontRenderer.clear(); 248 // fall through 249 case kFlushMode_Moderate: 250 fontRenderer.flush(); 251 textureCache.flush(); 252 pathCache.clear(); 253 roundRectShapeCache.clear(); 254 circleShapeCache.clear(); 255 ovalShapeCache.clear(); 256 rectShapeCache.clear(); 257 arcShapeCache.clear(); 258 // fall through 259 case kFlushMode_Layers: 260 layerCache.clear(); 261 break; 262 } 263} 264 265/////////////////////////////////////////////////////////////////////////////// 266// VBO 267/////////////////////////////////////////////////////////////////////////////// 268 269bool Caches::bindMeshBuffer() { 270 return bindMeshBuffer(meshBuffer); 271} 272 273bool Caches::bindMeshBuffer(const GLuint buffer) { 274 if (mCurrentBuffer != buffer) { 275 glBindBuffer(GL_ARRAY_BUFFER, buffer); 276 mCurrentBuffer = buffer; 277 return true; 278 } 279 return false; 280} 281 282bool Caches::unbindMeshBuffer() { 283 if (mCurrentBuffer) { 284 glBindBuffer(GL_ARRAY_BUFFER, 0); 285 mCurrentBuffer = 0; 286 return true; 287 } 288 return false; 289} 290 291bool Caches::bindIndicesBuffer(const GLuint buffer) { 292 if (mCurrentIndicesBuffer != buffer) { 293 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer); 294 mCurrentIndicesBuffer = buffer; 295 return true; 296 } 297 return false; 298} 299 300bool Caches::unbindIndicesBuffer() { 301 if (mCurrentIndicesBuffer) { 302 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 303 mCurrentIndicesBuffer = 0; 304 return true; 305 } 306 return false; 307} 308 309void Caches::bindPositionVertexPointer(bool force, GLuint slot, GLvoid* vertices, GLsizei stride) { 310 if (force || vertices != mCurrentPositionPointer) { 311 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices); 312 mCurrentPositionPointer = vertices; 313 } 314} 315 316void Caches::bindTexCoordsVertexPointer(bool force, GLuint slot, GLvoid* vertices) { 317 if (force || vertices != mCurrentTexCoordsPointer) { 318 glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, gMeshStride, vertices); 319 mCurrentTexCoordsPointer = vertices; 320 } 321} 322 323void Caches::resetVertexPointers() { 324 mCurrentPositionPointer = this; 325 mCurrentTexCoordsPointer = this; 326} 327 328void Caches::resetTexCoordsVertexPointer() { 329 mCurrentTexCoordsPointer = this; 330} 331 332void Caches::enableTexCoordsVertexArray() { 333 if (!mTexCoordsArrayEnabled) { 334 glEnableVertexAttribArray(Program::kBindingTexCoords); 335 mCurrentTexCoordsPointer = this; 336 mTexCoordsArrayEnabled = true; 337 } 338} 339 340void Caches::disbaleTexCoordsVertexArray() { 341 if (mTexCoordsArrayEnabled) { 342 glDisableVertexAttribArray(Program::kBindingTexCoords); 343 mTexCoordsArrayEnabled = false; 344 } 345} 346 347void Caches::activeTexture(GLuint textureUnit) { 348 if (mTextureUnit != textureUnit) { 349 glActiveTexture(gTextureUnits[textureUnit]); 350 mTextureUnit = textureUnit; 351 } 352} 353 354void Caches::setScissor(GLint x, GLint y, GLint width, GLint height) { 355 if (x != mScissorX || y != mScissorY || width != mScissorWidth || height != mScissorHeight) { 356 glScissor(x, y, width, height); 357 358 mScissorX = x; 359 mScissorY = y; 360 mScissorWidth = width; 361 mScissorHeight = height; 362 } 363} 364 365void Caches::resetScissor() { 366 mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0; 367} 368 369TextureVertex* Caches::getRegionMesh() { 370 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 371 if (!mRegionMesh) { 372 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 373 374 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 375 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 376 uint16_t quad = i * 4; 377 int index = i * 6; 378 regionIndices[index ] = quad; // top-left 379 regionIndices[index + 1] = quad + 1; // top-right 380 regionIndices[index + 2] = quad + 2; // bottom-left 381 regionIndices[index + 3] = quad + 2; // bottom-left 382 regionIndices[index + 4] = quad + 1; // top-right 383 regionIndices[index + 5] = quad + 3; // bottom-right 384 } 385 386 glGenBuffers(1, &mRegionMeshIndices); 387 bindIndicesBuffer(mRegionMeshIndices); 388 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 389 regionIndices, GL_STATIC_DRAW); 390 391 delete[] regionIndices; 392 } else { 393 bindIndicesBuffer(mRegionMeshIndices); 394 } 395 396 return mRegionMesh; 397} 398 399}; // namespace uirenderer 400}; // namespace android 401