LayerCache.cpp revision e93482f5eac3df581d57e64c2a771a96aa868585
1dda570201ac851dd85af3861f7e575721d3345daRomain Guy/* 2dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Copyright (C) 2010 The Android Open Source Project 3dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 4dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5dda570201ac851dd85af3861f7e575721d3345daRomain Guy * you may not use this file except in compliance with the License. 6dda570201ac851dd85af3861f7e575721d3345daRomain Guy * You may obtain a copy of the License at 7dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 8dda570201ac851dd85af3861f7e575721d3345daRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 9dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 10dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Unless required by applicable law or agreed to in writing, software 11dda570201ac851dd85af3861f7e575721d3345daRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12dda570201ac851dd85af3861f7e575721d3345daRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dda570201ac851dd85af3861f7e575721d3345daRomain Guy * See the License for the specific language governing permissions and 14dda570201ac851dd85af3861f7e575721d3345daRomain Guy * limitations under the License. 15dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 16dda570201ac851dd85af3861f7e575721d3345daRomain Guy 17dda570201ac851dd85af3861f7e575721d3345daRomain Guy#define LOG_TAG "OpenGLRenderer" 18dda570201ac851dd85af3861f7e575721d3345daRomain Guy 19dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include <GLES2/gl2.h> 20dda570201ac851dd85af3861f7e575721d3345daRomain Guy 21f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy#include <utils/Log.h> 22f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy 23a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy#include "Caches.h" 24dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "LayerCache.h" 25fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Properties.h" 26dda570201ac851dd85af3861f7e575721d3345daRomain Guy 27dda570201ac851dd85af3861f7e575721d3345daRomain Guynamespace android { 28dda570201ac851dd85af3861f7e575721d3345daRomain Guynamespace uirenderer { 29dda570201ac851dd85af3861f7e575721d3345daRomain Guy 30dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 31dda570201ac851dd85af3861f7e575721d3345daRomain Guy// Constructors/destructor 32dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 33dda570201ac851dd85af3861f7e575721d3345daRomain Guy 348550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain GuyLayerCache::LayerCache(): mSize(0), mMaxSize(MB(DEFAULT_LAYER_CACHE_SIZE)) { 35fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy char property[PROPERTY_VALUE_MAX]; 36fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (property_get(PROPERTY_LAYER_CACHE_SIZE, property, NULL) > 0) { 37c9855a53edfac818dc68714557185977556f849dRomain Guy INIT_LOGD(" Setting layer cache size to %sMB", property); 38fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy setMaxSize(MB(atof(property))); 39fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else { 40c9855a53edfac818dc68714557185977556f849dRomain Guy INIT_LOGD(" Using default layer cache size of %.2fMB", DEFAULT_LAYER_CACHE_SIZE); 41fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } 42fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy} 43fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 44dda570201ac851dd85af3861f7e575721d3345daRomain GuyLayerCache::~LayerCache() { 455f0c6a483900f3989f4d2a8f913cf5b6a9777d03Romain Guy clear(); 46dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 47dda570201ac851dd85af3861f7e575721d3345daRomain Guy 48dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 49dda570201ac851dd85af3861f7e575721d3345daRomain Guy// Size management 50dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 51dda570201ac851dd85af3861f7e575721d3345daRomain Guy 52dda570201ac851dd85af3861f7e575721d3345daRomain Guyuint32_t LayerCache::getSize() { 53dda570201ac851dd85af3861f7e575721d3345daRomain Guy return mSize; 54dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 55dda570201ac851dd85af3861f7e575721d3345daRomain Guy 56dda570201ac851dd85af3861f7e575721d3345daRomain Guyuint32_t LayerCache::getMaxSize() { 57dda570201ac851dd85af3861f7e575721d3345daRomain Guy return mMaxSize; 58dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 59dda570201ac851dd85af3861f7e575721d3345daRomain Guy 60dda570201ac851dd85af3861f7e575721d3345daRomain Guyvoid LayerCache::setMaxSize(uint32_t maxSize) { 618550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy clear(); 62dda570201ac851dd85af3861f7e575721d3345daRomain Guy mMaxSize = maxSize; 63dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 64dda570201ac851dd85af3861f7e575721d3345daRomain Guy 65dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 66dda570201ac851dd85af3861f7e575721d3345daRomain Guy// Caching 67dda570201ac851dd85af3861f7e575721d3345daRomain Guy/////////////////////////////////////////////////////////////////////////////// 68dda570201ac851dd85af3861f7e575721d3345daRomain Guy 69e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyint LayerCache::LayerEntry::compare(const LayerCache::LayerEntry& lhs, 70e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const LayerCache::LayerEntry& rhs) { 71e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy int deltaInt = int(lhs.mWidth) - int(rhs.mWidth); 72e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 73e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 74e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return int(lhs.mHeight) - int(rhs.mHeight); 75e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 76e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 77dda570201ac851dd85af3861f7e575721d3345daRomain Guyvoid LayerCache::deleteLayer(Layer* layer) { 78dda570201ac851dd85af3861f7e575721d3345daRomain Guy if (layer) { 79603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase LAYER_LOGD("Destroying layer %dx%d, fbo %d", layer->getWidth(), layer->getHeight(), 80603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase layer->getFbo()); 819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mSize -= layer->getWidth() * layer->getHeight() * 4; 82603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 83dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 84dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 85dda570201ac851dd85af3861f7e575721d3345daRomain Guy 86dda570201ac851dd85af3861f7e575721d3345daRomain Guyvoid LayerCache::clear() { 878550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy size_t count = mCache.size(); 888550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy for (size_t i = 0; i < count; i++) { 898550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy deleteLayer(mCache.itemAt(i).mLayer); 908550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy } 91dda570201ac851dd85af3861f7e575721d3345daRomain Guy mCache.clear(); 92dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 93dda570201ac851dd85af3861f7e575721d3345daRomain Guy 948550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain GuyLayer* LayerCache::get(const uint32_t width, const uint32_t height) { 958550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = NULL; 968550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 978550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy LayerEntry entry(width, height); 988550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy ssize_t index = mCache.indexOf(entry); 99f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy 1008550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (index >= 0) { 1018550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy entry = mCache.itemAt(index); 1028550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy mCache.removeAt(index); 1038550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 1048550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer = entry.mLayer; 1059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mSize -= layer->getWidth() * layer->getHeight() * 4; 1068550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 1079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_LOGD("Reusing layer %dx%d", layer->getWidth(), layer->getHeight()); 108f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy } else { 1098550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy LAYER_LOGD("Creating new layer %dx%d", entry.mWidth, entry.mHeight); 110f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy 1118550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer = new Layer(entry.mWidth, entry.mHeight); 1129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(true); 1139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(true); 1149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 1159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 1179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 11839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy layer->setFilter(GL_NEAREST); 11939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false); 1200bb5667b4ef91fefd0500fae0186789d15d54e0eRomain Guy glPixelStorei(GL_UNPACK_ALIGNMENT, 4); 1210bb5667b4ef91fefd0500fae0186789d15d54e0eRomain Guy 122eb99356a0548684a501766e6a524529ab93304c8Romain Guy#if DEBUG_LAYERS 123eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy dump(); 124eb99356a0548684a501766e6a524529ab93304c8Romain Guy#endif 125dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 126f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy 127dda570201ac851dd85af3861f7e575721d3345daRomain Guy return layer; 128dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 129dda570201ac851dd85af3861f7e575721d3345daRomain Guy 130eea60692b060737faeaa02bb30f5b79e2202b482Romain Guyvoid LayerCache::dump() { 131eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy size_t size = mCache.size(); 132eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy for (size_t i = 0; i < size; i++) { 133eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy const LayerEntry& entry = mCache.itemAt(i); 134eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_LOGD(" Layer size %dx%d", entry.mWidth, entry.mHeight); 135eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy } 136eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy} 137eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy 1388550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guybool LayerCache::put(Layer* layer) { 1399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isCacheable()) return false; 140aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const uint32_t size = layer->getWidth() * layer->getHeight() * 4; 142dda570201ac851dd85af3861f7e575721d3345daRomain Guy // Don't even try to cache a layer that's bigger than the cache 143dda570201ac851dd85af3861f7e575721d3345daRomain Guy if (size < mMaxSize) { 1448550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy // TODO: Use an LRU 145dda570201ac851dd85af3861f7e575721d3345daRomain Guy while (mSize + size > mMaxSize) { 146e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy size_t position = 0; 14728d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guy#if LAYER_REMOVE_BIGGEST_FIRST 148e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy position = mCache.size() - 1; 149e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy#endif 150e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy Layer* victim = mCache.itemAt(position).mLayer; 151e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy deleteLayer(victim); 152e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy mCache.removeAt(position); 1538550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 154e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy LAYER_LOGD(" Deleting layer %.2fx%.2f", victim->layer.getWidth(), 155e91080581f467d55913a8c5ab53dedc2dab2e5b6Romain Guy victim->layer.getHeight()); 156dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 157dda570201ac851dd85af3861f7e575721d3345daRomain Guy 158e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy layer->cancelDefer(); 1595c88fc744db977ef26887df9605beaa409394806Romain Guy 1608550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy LayerEntry entry(layer); 1618550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 1628550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy mCache.add(entry); 163dda570201ac851dd85af3861f7e575721d3345daRomain Guy mSize += size; 164dda570201ac851dd85af3861f7e575721d3345daRomain Guy 165dda570201ac851dd85af3861f7e575721d3345daRomain Guy return true; 166dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 167dda570201ac851dd85af3861f7e575721d3345daRomain Guy return false; 168dda570201ac851dd85af3861f7e575721d3345daRomain Guy} 169dda570201ac851dd85af3861f7e575721d3345daRomain Guy 170dda570201ac851dd85af3861f7e575721d3345daRomain Guy}; // namespace uirenderer 171dda570201ac851dd85af3861f7e575721d3345daRomain Guy}; // namespace android 172