Caches.cpp revision eca0ca2424afc1e98912405906edfc32f7733e16
1dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase/* 2dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * Copyright (C) 2010 The Android Open Source Project 3dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * 4dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * Licensed under the Apache License, Version 2.0 (the "License"); 5dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * you may not use this file except in compliance with the License. 6dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * You may obtain a copy of the License at 7dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * 8dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * http://www.apache.org/licenses/LICENSE-2.0 9dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * 10dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * Unless required by applicable law or agreed to in writing, software 11dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * distributed under the License is distributed on an "AS IS" BASIS, 12dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * See the License for the specific language governing permissions and 14dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase * limitations under the License. 15dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase */ 16dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 17dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase#define LOG_TAG "OpenGLRenderer" 18dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 19c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include <utils/Log.h> 209c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase#include <utils/String8.h> 21c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 22dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase#include "Caches.h" 23e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#include "Properties.h" 2409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy#include "LayerRenderer.h" 25dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 26dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haasenamespace android { 27dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 28dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase#ifdef USE_OPENGL_RENDERER 29dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haaseusing namespace uirenderer; 30dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet HaaseANDROID_SINGLETON_STATIC_INSTANCE(Caches); 31dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase#endif 32dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 33dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haasenamespace uirenderer { 34dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 35dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase/////////////////////////////////////////////////////////////////////////////// 36bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy// Macros 37bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy/////////////////////////////////////////////////////////////////////////////// 38bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy 39bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy#if DEBUG_CACHE_FLUSH 40bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy #define FLUSH_LOGD(...) LOGD(__VA_ARGS__) 41bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy#else 42bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy #define FLUSH_LOGD(...) 43bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy#endif 44bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy 45bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy/////////////////////////////////////////////////////////////////////////////// 46dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase// Constructors/destructor 47dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase/////////////////////////////////////////////////////////////////////////////// 48dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 49dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet HaaseCaches::Caches(): Singleton<Caches>(), blend(false), lastSrcMode(GL_ZERO), 50dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase lastDstMode(GL_ZERO), currentProgram(NULL) { 51dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase GLint maxTextureUnits; 52dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 53dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 54dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase LOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 55dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase } 56dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 57dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glGenBuffers(1, &meshBuffer); 58dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); 59dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); 60dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 61746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); 62746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 639bca4793a33d2714b306d69ceb870925a588fe71Romain Guy mCurrentBuffer = meshBuffer; 645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mRegionMesh = NULL; 65e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy 66e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mDebugLevel = readDebugLevel(); 67e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy LOGD("Enabling debug mode %d", mDebugLevel); 687230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 697230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy#if RENDER_LAYERS_AS_REGIONS 7002ccac69fd1c0a03c24c5f3ace0ad4bed337b1fdRomain Guy INIT_LOGD("Layers will be composited as regions"); 717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy#endif 72dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase} 73dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain GuyCaches::~Caches() { 755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete[] mRegionMesh; 765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy/////////////////////////////////////////////////////////////////////////////// 79c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy// Debug 80c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy/////////////////////////////////////////////////////////////////////////////// 81c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 82c15008e72ec00ca20a271c3006dac649fd07533bRomain Guyvoid Caches::dumpMemoryUsage() { 839c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase String8 stringLog; 849c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase dumpMemoryUsage(stringLog); 859c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase LOGD("%s", stringLog.string()); 869c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase} 879c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase 889c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haasevoid Caches::dumpMemoryUsage(String8 &log) { 899c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat("Current memory usage / total memory usage (bytes):\n"); 909c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" TextureCache %8d / %8d\n", 919c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase textureCache.getSize(), textureCache.getMaxSize()); 929c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" LayerCache %8d / %8d\n", 939c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase layerCache.getSize(), layerCache.getMaxSize()); 949c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" GradientCache %8d / %8d\n", 959c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase gradientCache.getSize(), gradientCache.getMaxSize()); 969c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" PathCache %8d / %8d\n", 979c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase pathCache.getSize(), pathCache.getMaxSize()); 989c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" CircleShapeCache %8d / %8d\n", 9901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy circleShapeCache.getSize(), circleShapeCache.getMaxSize()); 1009c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" OvalShapeCache %8d / %8d\n", 1012fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); 1029c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" RoundRectShapeCache %8d / %8d\n", 10301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); 1049c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" RectShapeCache %8d / %8d\n", 1052fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy rectShapeCache.getSize(), rectShapeCache.getMaxSize()); 1069c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" ArcShapeCache %8d / %8d\n", 1072fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy arcShapeCache.getSize(), arcShapeCache.getMaxSize()); 1089c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), 109c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy dropShadowCache.getMaxSize()); 110c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 111c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy const uint32_t size = fontRenderer.getFontRendererSize(i); 1129c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); 113c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 114d2ba50ab861ec0950bda18dd0f463b687e66249fRomain Guy log.appendFormat("Other:\n"); 1159c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" FboCache %8d / %8d\n", 1169c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase fboCache.getSize(), fboCache.getMaxSize()); 1179c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" PatchCache %8d / %8d\n", 1189c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase patchCache.getSize(), patchCache.getMaxSize()); 119c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 120c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t total = 0; 121c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += textureCache.getSize(); 122c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += layerCache.getSize(); 123c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += gradientCache.getSize(); 124c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += pathCache.getSize(); 125c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += dropShadowCache.getSize(); 1262fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy total += roundRectShapeCache.getSize(); 1272fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy total += circleShapeCache.getSize(); 1282fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy total += ovalShapeCache.getSize(); 1292fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy total += rectShapeCache.getSize(); 1302fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy total += arcShapeCache.getSize(); 131c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { 132c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy total += fontRenderer.getFontRendererSize(i); 133c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 134c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1359c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat("Total memory usage:\n"); 1369c1e23baf5bfbebd1aebbd6d9a18c225325567ceChet Haase log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); 137c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy} 138c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 139c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy/////////////////////////////////////////////////////////////////////////////// 140fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy// Memory management 141fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy/////////////////////////////////////////////////////////////////////////////// 142fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 143fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guyvoid Caches::clearGarbage() { 144fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy textureCache.clearGarbage(); 145fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy pathCache.clearGarbage(); 14657066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 14757066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy Mutex::Autolock _l(mGarbageLock); 14857066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 149ada830f639591b99c3e40de22b07296c7932a33fRomain Guy size_t count = mLayerGarbage.size(); 15057066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy for (size_t i = 0; i < count; i++) { 151ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Layer* layer = mLayerGarbage.itemAt(i); 15209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LayerRenderer::destroyLayer(layer); 15357066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy } 154ada830f639591b99c3e40de22b07296c7932a33fRomain Guy mLayerGarbage.clear(); 15557066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 15657066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 157ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid Caches::deleteLayerDeferred(Layer* layer) { 15857066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy Mutex::Autolock _l(mGarbageLock); 159ada830f639591b99c3e40de22b07296c7932a33fRomain Guy mLayerGarbage.push(layer); 160fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy} 161fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 162bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guyvoid Caches::flush(FlushMode mode) { 163bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy FLUSH_LOGD("Flushing caches (mode %d)", mode); 164bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy 165bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy clearGarbage(); 166bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy 167bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy switch (mode) { 168bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy case kFlushMode_Full: 169bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy textureCache.clear(); 170bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy patchCache.clear(); 171bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy dropShadowCache.clear(); 172bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy gradientCache.clear(); 173eca0ca2424afc1e98912405906edfc32f7733e16Romain Guy fontRenderer.clear(); 174bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy // fall through 175bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy case kFlushMode_Moderate: 176eca0ca2424afc1e98912405906edfc32f7733e16Romain Guy fontRenderer.flush(); 177eca0ca2424afc1e98912405906edfc32f7733e16Romain Guy textureCache.flush(); 178bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy pathCache.clear(); 179bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy roundRectShapeCache.clear(); 180bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy circleShapeCache.clear(); 181bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy ovalShapeCache.clear(); 182bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy rectShapeCache.clear(); 183bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy arcShapeCache.clear(); 1846d7475d666baefaa3ba9f0dcee25238739454241Romain Guy // fall through 1856d7475d666baefaa3ba9f0dcee25238739454241Romain Guy case kFlushMode_Layers: 1866d7475d666baefaa3ba9f0dcee25238739454241Romain Guy layerCache.clear(); 187bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy break; 188bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy } 189bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy} 190bdf7609867a3f886455c51dba91623a86cceb6e2Romain Guy 191fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy/////////////////////////////////////////////////////////////////////////////// 1925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy// VBO 1935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy/////////////////////////////////////////////////////////////////////////////// 1945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 195dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haasevoid Caches::bindMeshBuffer() { 196dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase bindMeshBuffer(meshBuffer); 197dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase} 198dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 199dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haasevoid Caches::bindMeshBuffer(const GLuint buffer) { 2009bca4793a33d2714b306d69ceb870925a588fe71Romain Guy if (mCurrentBuffer != buffer) { 201dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glBindBuffer(GL_ARRAY_BUFFER, buffer); 2029bca4793a33d2714b306d69ceb870925a588fe71Romain Guy mCurrentBuffer = buffer; 203dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase } 204dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase} 205dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 206dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haasevoid Caches::unbindMeshBuffer() { 2079bca4793a33d2714b306d69ceb870925a588fe71Romain Guy if (mCurrentBuffer) { 208dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase glBindBuffer(GL_ARRAY_BUFFER, 0); 2099bca4793a33d2714b306d69ceb870925a588fe71Romain Guy mCurrentBuffer = 0; 210dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase } 211dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase} 212dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase 2135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain GuyTextureVertex* Caches::getRegionMesh() { 2145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Create the mesh, 2 triangles and 4 vertices per rectangle in the region 2155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!mRegionMesh) { 2165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; 2175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; 2195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { 2205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint16_t quad = i * 4; 2215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int index = i * 6; 2225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index ] = quad; // top-left 2235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index + 1] = quad + 1; // top-right 2245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index + 2] = quad + 2; // bottom-left 2255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index + 3] = quad + 2; // bottom-left 2265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index + 4] = quad + 1; // top-right 2275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices[index + 5] = quad + 3; // bottom-right 2285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glGenBuffers(1, &mRegionMeshIndices); 2315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); 2325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), 2335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy regionIndices, GL_STATIC_DRAW); 2345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete[] regionIndices; 2365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } else { 2375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); 2385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return mRegionMesh; 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 2425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 243dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase}; // namespace uirenderer 244dd78ccacff83f0714ad90be98b58ad85f5d08c66Chet Haase}; // namespace android 245