GradientCache.cpp revision 320d46bf844b84351cb80c5d4a4768d86447ac81
1c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/* 2c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * Copyright (C) 2010 The Android Open Source Project 3c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * 4c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * you may not use this file except in compliance with the License. 6c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * You may obtain a copy of the License at 7c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * 8c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 9c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * 10c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * Unless required by applicable law or agreed to in writing, software 11c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * See the License for the specific language governing permissions and 14c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * limitations under the License. 15c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy */ 16c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 17c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#define LOG_TAG "OpenGLRenderer" 18c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 19a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy#include <utils/threads.h> 20a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy 21320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy#include "Caches.h" 22c9855a53edfac818dc68714557185977556f849dRomain Guy#include "Debug.h" 23c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#include "GradientCache.h" 24fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Properties.h" 25c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 26c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guynamespace android { 27c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guynamespace uirenderer { 28c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 29c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 3042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy// Defines 3142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy/////////////////////////////////////////////////////////////////////////////// 3242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 3342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy#define GRADIENT_TEXTURE_HEIGHT 2 3442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy#define GRADIENT_BYTES_PER_PIXEL 4 3542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 3642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy/////////////////////////////////////////////////////////////////////////////// 3742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy// Functions 3842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy/////////////////////////////////////////////////////////////////////////////// 3942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 4042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guytemplate<typename T> 4142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guystatic inline T min(T a, T b) { 4242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy return a < b ? a : b; 4342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 4442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 4542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy/////////////////////////////////////////////////////////////////////////////// 46c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy// Constructors/destructor 47c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 48c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 49fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyGradientCache::GradientCache(): 506203f6c8147069976342be8f42add797a50f9557Romain Guy mCache(GenerationCache<GradientCacheEntry, Texture*>::kUnlimitedCapacity), 51fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mSize(0), mMaxSize(MB(DEFAULT_GRADIENT_CACHE_SIZE)) { 52fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy char property[PROPERTY_VALUE_MAX]; 53fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (property_get(PROPERTY_GRADIENT_CACHE_SIZE, property, NULL) > 0) { 54c9855a53edfac818dc68714557185977556f849dRomain Guy INIT_LOGD(" Setting gradient cache size to %sMB", property); 55fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy setMaxSize(MB(atof(property))); 56fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else { 57c9855a53edfac818dc68714557185977556f849dRomain Guy INIT_LOGD(" Using default gradient cache size of %.2fMB", DEFAULT_GRADIENT_CACHE_SIZE); 58fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } 59fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 608dcfd5e836341b4a803b04d104a930bb312182d3Romain Guy glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize); 618dcfd5e836341b4a803b04d104a930bb312182d3Romain Guy 62fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCache.setOnEntryRemovedListener(this); 63fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy} 64fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 65c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain GuyGradientCache::GradientCache(uint32_t maxByteSize): 666203f6c8147069976342be8f42add797a50f9557Romain Guy mCache(GenerationCache<GradientCacheEntry, Texture*>::kUnlimitedCapacity), 67c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mSize(0), mMaxSize(maxByteSize) { 68c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mCache.setOnEntryRemovedListener(this); 69c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 70c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 71c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain GuyGradientCache::~GradientCache() { 72c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mCache.clear(); 73c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 74c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 75c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 76c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy// Size management 77c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 78c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 79c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guyuint32_t GradientCache::getSize() { 80c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy return mSize; 81c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 82c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 83c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guyuint32_t GradientCache::getMaxSize() { 84c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy return mMaxSize; 85c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 86c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 87c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guyvoid GradientCache::setMaxSize(uint32_t maxSize) { 88c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mMaxSize = maxSize; 89c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy while (mSize > mMaxSize) { 90c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mCache.removeOldest(); 91c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 92c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 93c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 94c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 95c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy// Callbacks 96c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 97c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 986203f6c8147069976342be8f42add797a50f9557Romain Guyvoid GradientCache::operator()(GradientCacheEntry& shader, Texture*& texture) { 996203f6c8147069976342be8f42add797a50f9557Romain Guy if (texture) { 10042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy const uint32_t size = texture->width * texture->height * GRADIENT_BYTES_PER_PIXEL; 101c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mSize -= size; 102c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 103c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 104c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy if (texture) { 105c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glDeleteTextures(1, &texture->id); 106c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy delete texture; 107c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 108c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 109c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 110c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 111c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy// Caching 112c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy/////////////////////////////////////////////////////////////////////////////// 113c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 11442e1e0d482d774cf18a55773e434f02edb9e4462Romain GuyTexture* GradientCache::get(uint32_t* colors, float* positions, int count) { 115c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 11642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GradientCacheEntry gradient(colors, positions, count); 1176203f6c8147069976342be8f42add797a50f9557Romain Guy Texture* texture = mCache.get(gradient); 118c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 1196203f6c8147069976342be8f42add797a50f9557Romain Guy if (!texture) { 12042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy texture = addLinearGradient(gradient, colors, positions, count); 121fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy } 1226203f6c8147069976342be8f42add797a50f9557Romain Guy 1236203f6c8147069976342be8f42add797a50f9557Romain Guy return texture; 124fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy} 125fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 126fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guyvoid GradientCache::clear() { 127c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mCache.clear(); 128c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 129c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 13042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyvoid GradientCache::getGradientInfo(const uint32_t* colors, const int count, 13142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GradientInfo& info) { 132320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy uint32_t width = 256 * (count - 1); 133320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy 134320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy if (!Caches::getInstance().extensions.hasNPot()) { 135320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy width = 1 << (31 - __builtin_clz(width)); 136320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy } 137c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 138320d46bf844b84351cb80c5d4a4768d86447ac81Romain Guy bool hasAlpha = false; 13942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy for (int i = 0; i < count; i++) { 14042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy if (((colors[i] >> 24) & 0xff) < 255) { 14142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy hasAlpha = true; 14242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy break; 14342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 14442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 145c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 14642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy info.width = min(width, uint32_t(mMaxTextureSize)); 14742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy info.hasAlpha = hasAlpha; 14842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy} 149c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 15042e1e0d482d774cf18a55773e434f02edb9e4462Romain GuyTexture* GradientCache::addLinearGradient(GradientCacheEntry& gradient, 15142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy uint32_t* colors, float* positions, int count) { 152c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 15342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GradientInfo info; 15442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy getGradientInfo(colors, count, info); 155c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 15642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy Texture* texture = new Texture; 15742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy texture->width = info.width; 15842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy texture->height = GRADIENT_TEXTURE_HEIGHT; 15942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy texture->blend = info.hasAlpha; 16042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy texture->generation = 1; 161c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 162c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy // Asume the cache is always big enough 16342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy const uint32_t size = texture->width * texture->height * GRADIENT_BYTES_PER_PIXEL; 164c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy while (mSize + size > mMaxSize) { 165c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mCache.removeOldest(); 166c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 167c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 16842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy generateTexture(colors, positions, count, texture); 169c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 170c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mSize += size; 1716203f6c8147069976342be8f42add797a50f9557Romain Guy mCache.put(gradient, texture); 172c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 173c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy return texture; 174c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 175c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 17642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guyvoid GradientCache::generateTexture(uint32_t* colors, float* positions, 17742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy int count, Texture* texture) { 17842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 17942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy const uint32_t width = texture->width; 18042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy const GLsizei rowBytes = width * GRADIENT_BYTES_PER_PIXEL; 18142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy uint32_t pixels[width * texture->height]; 18242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 18342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy int currentPos = 1; 18442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 18542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float startA = (colors[0] >> 24) & 0xff; 18642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float startR = (colors[0] >> 16) & 0xff; 18742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float startG = (colors[0] >> 8) & 0xff; 18842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float startB = (colors[0] >> 0) & 0xff; 18942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 19042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float endA = (colors[1] >> 24) & 0xff; 19142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float endR = (colors[1] >> 16) & 0xff; 19242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float endG = (colors[1] >> 8) & 0xff; 19342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float endB = (colors[1] >> 0) & 0xff; 19442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 19542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float start = positions[0]; 19642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float distance = positions[1] - start; 19742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 19842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy uint8_t* p = (uint8_t*) pixels; 19942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy for (uint32_t x = 0; x < width; x++) { 20042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float pos = x / float(width - 1); 20142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy if (pos > positions[currentPos]) { 20242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy startA = endA; 20342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy startR = endR; 20442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy startG = endG; 20542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy startB = endB; 20642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy start = positions[currentPos]; 20742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 20842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy currentPos++; 20942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 21042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy endA = (colors[currentPos] >> 24) & 0xff; 21142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy endR = (colors[currentPos] >> 16) & 0xff; 21242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy endG = (colors[currentPos] >> 8) & 0xff; 21342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy endB = (colors[currentPos] >> 0) & 0xff; 21442e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy distance = positions[currentPos] - start; 21542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 21642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 21742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float amount = (pos - start) / distance; 21842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy float oppAmount = 1.0f - amount; 21942e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy 22042e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy *p++ = uint8_t(startR * oppAmount + endR * amount); 22142e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy *p++ = uint8_t(startG * oppAmount + endG * amount); 22242e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy *p++ = uint8_t(startB * oppAmount + endB * amount); 22342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy *p++ = uint8_t(startA * oppAmount + endA * amount); 224c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 225c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 22642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy for (int i = 1; i < GRADIENT_TEXTURE_HEIGHT; i++) { 22742e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy memcpy(pixels + width * i, pixels, rowBytes); 22842e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy } 229c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 230c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glGenTextures(1, &texture->id); 231c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 232c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 23342e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy glPixelStorei(GL_UNPACK_ALIGNMENT, GRADIENT_BYTES_PER_PIXEL); 234c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 23542e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, texture->height, 0, 23642e1e0d482d774cf18a55773e434f02edb9e4462Romain Guy GL_RGBA, GL_UNSIGNED_BYTE, pixels); 237c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 23839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy texture->setFilter(GL_LINEAR); 23939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 240c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 241c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 242c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy}; // namespace uirenderer 243c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy}; // namespace android 244