Caches.cpp revision bdf7609867a3f886455c51dba91623a86cceb6e2
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 "Properties.h" 24#include "LayerRenderer.h" 25 26namespace android { 27 28#ifdef USE_OPENGL_RENDERER 29using namespace uirenderer; 30ANDROID_SINGLETON_STATIC_INSTANCE(Caches); 31#endif 32 33namespace uirenderer { 34 35/////////////////////////////////////////////////////////////////////////////// 36// Macros 37/////////////////////////////////////////////////////////////////////////////// 38 39#if DEBUG_CACHE_FLUSH 40 #define FLUSH_LOGD(...) LOGD(__VA_ARGS__) 41#else 42 #define FLUSH_LOGD(...) 43#endif 44 45/////////////////////////////////////////////////////////////////////////////// 46// Constructors/destructor 47/////////////////////////////////////////////////////////////////////////////// 48 49Caches::Caches(): Singleton<Caches>(), blend(false), lastSrcMode(GL_ZERO), 50 lastDstMode(GL_ZERO), currentProgram(NULL) { 51 GLint maxTextureUnits; 52 glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 53 if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 54 LOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 55 } 56 57 glGenBuffers(1, &meshBuffer); 58 glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); 59 glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); 60 61 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 62 63 mCurrentBuffer = meshBuffer; 64 mRegionMesh = NULL; 65 66 mDebugLevel = readDebugLevel(); 67 LOGD("Enabling debug mode %d", mDebugLevel); 68 69#if RENDER_LAYERS_AS_REGIONS 70 INIT_LOGD("Layers will be composited as regions"); 71#endif 72} 73 74Caches::~Caches() { 75 delete[] mRegionMesh; 76} 77 78/////////////////////////////////////////////////////////////////////////////// 79// Debug 80/////////////////////////////////////////////////////////////////////////////// 81 82void Caches::dumpMemoryUsage() { 83 String8 stringLog; 84 dumpMemoryUsage(stringLog); 85 LOGD("%s", stringLog.string()); 86} 87 88void Caches::dumpMemoryUsage(String8 &log) { 89 log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 90 log.appendFormat(" TextureCache %8d / %8d\n", 91 textureCache.getSize(), textureCache.getMaxSize()); 92 log.appendFormat(" LayerCache %8d / %8d\n", 93 layerCache.getSize(), layerCache.getMaxSize()); 94 log.appendFormat(" GradientCache %8d / %8d\n", 95 gradientCache.getSize(), gradientCache.getMaxSize()); 96 log.appendFormat(" PathCache %8d / %8d\n", 97 pathCache.getSize(), pathCache.getMaxSize()); 98 log.appendFormat(" CircleShapeCache %8d / %8d\n", 99 circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 100 log.appendFormat(" OvalShapeCache %8d / %8d\n", 101 ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 102 log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 103 roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 104 log.appendFormat(" RectShapeCache %8d / %8d\n", 105 rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 106 log.appendFormat(" ArcShapeCache %8d / %8d\n", 107 arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 108 log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 109 dropShadowCache.getMaxSize()); 110 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 111 const uint32_t size = fontRenderer.getFontRendererSize(i); 112 log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 113 } 114 log.appendFormat("Other:\n"); 115 log.appendFormat(" FboCache %8d / %8d\n", 116 fboCache.getSize(), fboCache.getMaxSize()); 117 log.appendFormat(" PatchCache %8d / %8d\n", 118 patchCache.getSize(), patchCache.getMaxSize()); 119 120 uint32_t total = 0; 121 total += textureCache.getSize(); 122 total += layerCache.getSize(); 123 total += gradientCache.getSize(); 124 total += pathCache.getSize(); 125 total += dropShadowCache.getSize(); 126 total += roundRectShapeCache.getSize(); 127 total += circleShapeCache.getSize(); 128 total += ovalShapeCache.getSize(); 129 total += rectShapeCache.getSize(); 130 total += arcShapeCache.getSize(); 131 for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 132 total += fontRenderer.getFontRendererSize(i); 133 } 134 135 log.appendFormat("Total memory usage:\n"); 136 log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 137} 138 139/////////////////////////////////////////////////////////////////////////////// 140// Memory management 141/////////////////////////////////////////////////////////////////////////////// 142 143void Caches::clearGarbage() { 144 textureCache.clearGarbage(); 145 gradientCache.clearGarbage(); 146 pathCache.clearGarbage(); 147 148 Mutex::Autolock _l(mGarbageLock); 149 150 size_t count = mLayerGarbage.size(); 151 for (size_t i = 0; i < count; i++) { 152 Layer* layer = mLayerGarbage.itemAt(i); 153 LayerRenderer::destroyLayer(layer); 154 } 155 mLayerGarbage.clear(); 156} 157 158void Caches::deleteLayerDeferred(Layer* layer) { 159 Mutex::Autolock _l(mGarbageLock); 160 mLayerGarbage.push(layer); 161} 162 163void Caches::flush(FlushMode mode) { 164 FLUSH_LOGD("Flushing caches (mode %d)", mode); 165 166 clearGarbage(); 167 168 switch (mode) { 169 case kFlushMode_Full: 170 textureCache.clear(); 171 patchCache.clear(); 172 dropShadowCache.clear(); 173 gradientCache.clear(); 174 // fall through 175 case kFlushMode_Moderate: 176 layerCache.clear(); 177 pathCache.clear(); 178 roundRectShapeCache.clear(); 179 circleShapeCache.clear(); 180 ovalShapeCache.clear(); 181 rectShapeCache.clear(); 182 arcShapeCache.clear(); 183 break; 184 } 185} 186 187/////////////////////////////////////////////////////////////////////////////// 188// VBO 189/////////////////////////////////////////////////////////////////////////////// 190 191void Caches::bindMeshBuffer() { 192 bindMeshBuffer(meshBuffer); 193} 194 195void Caches::bindMeshBuffer(const GLuint buffer) { 196 if (mCurrentBuffer != buffer) { 197 glBindBuffer(GL_ARRAY_BUFFER, buffer); 198 mCurrentBuffer = buffer; 199 } 200} 201 202void Caches::unbindMeshBuffer() { 203 if (mCurrentBuffer) { 204 glBindBuffer(GL_ARRAY_BUFFER, 0); 205 mCurrentBuffer = 0; 206 } 207} 208 209TextureVertex* Caches::getRegionMesh() { 210 // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 211 if (!mRegionMesh) { 212 mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 213 214 uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 215 for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 216 uint16_t quad = i * 4; 217 int index = i * 6; 218 regionIndices[index ] = quad; // top-left 219 regionIndices[index + 1] = quad + 1; // top-right 220 regionIndices[index + 2] = quad + 2; // bottom-left 221 regionIndices[index + 3] = quad + 2; // bottom-left 222 regionIndices[index + 4] = quad + 1; // top-right 223 regionIndices[index + 5] = quad + 3; // bottom-right 224 } 225 226 glGenBuffers(1, &mRegionMeshIndices); 227 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); 228 glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 229 regionIndices, GL_STATIC_DRAW); 230 231 delete[] regionIndices; 232 } else { 233 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); 234 } 235 236 return mRegionMesh; 237} 238 239}; // namespace uirenderer 240}; // namespace android 241