OpenGLRenderer.cpp revision a1db574036c9bc2d397b69f8200594027e1fff16
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 245cbbce535744b89df5ecea95de21ee3733298260Romain Guy 25121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy#include <cutils/properties.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 2785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 29e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 30e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 319d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 329d5316e3f56d138504565ff311145ac01621dff4Romain Guy 339d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 349d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 359d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 369d5316e3f56d138504565ff311145ac01621dff4Romain Guy 37121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy// These properties are defined in mega-bytes 38121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy#define PROPERTY_TEXTURE_CACHE_SIZE "ro.hwui.texture_cache_size" 39121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy#define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_cache_size" 40c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size" 41121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy 42c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#define DEFAULT_TEXTURE_CACHE_SIZE 20.0f 43c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#define DEFAULT_LAYER_CACHE_SIZE 10.0f 44f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#define DEFAULT_PATCH_CACHE_SIZE 100 45c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f 46dda570201ac851dd85af3861f7e575721d3345daRomain Guy 47121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy// Converts a number of mega-bytes into bytes 48121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy#define MB(s) s * 1024 * 1024 49121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy 50dda570201ac851dd85af3861f7e575721d3345daRomain Guy// Generates simple and textured vertices 51bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#define SV(x, y) { { x, y } } 52bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#define FV(x, y, u, v) { { x, y }, { u, v } } 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 58026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const SimpleVertex gDrawColorVertices[] = { 59bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SV(0.0f, 0.0f), 60bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SV(1.0f, 0.0f), 61bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SV(0.0f, 1.0f), 62bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SV(1.0f, 1.0f) 639d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const GLsizei gDrawColorVertexStride = sizeof(SimpleVertex); 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const GLsizei gDrawColorVertexCount = 4; 669d5316e3f56d138504565ff311145ac01621dff4Romain Guy 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// This array is never used directly but used as a memcpy source in the 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// OpenGLRenderer constructor 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const TextureVertex gDrawTextureVertices[] = { 70c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(0.0f, 0.0f, 0.0f, 0.0f), 71c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(1.0f, 0.0f, 1.0f, 0.0f), 72c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(0.0f, 1.0f, 0.0f, 1.0f), 73c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(1.0f, 1.0f, 1.0f, 1.0f) 74bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy}; 75026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const GLsizei gDrawTextureVertexStride = sizeof(TextureVertex); 76026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const GLsizei gDrawTextureVertexCount = 4; 77026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 79026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 80026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 81026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 82026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 86026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 87026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 88026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 89026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 90026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 91026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 92026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 93026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 94e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 95d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guystatic const GLint gTileModes[] = { 96d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy GL_CLAMP_TO_EDGE, // == SkShader::kClamp_TileMode 97d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy GL_REPEAT, // == SkShader::kRepeat_Mode 98d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy GL_MIRRORED_REPEAT // == SkShader::kMirror_TileMode 99d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 100d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 101f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 105dda570201ac851dd85af3861f7e575721d3345daRomain GuyOpenGLRenderer::OpenGLRenderer(): 10682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy mBlend(false), mLastSrcMode(GL_ZERO), mLastDstMode(GL_ZERO), 107dda570201ac851dd85af3861f7e575721d3345daRomain Guy mTextureCache(MB(DEFAULT_TEXTURE_CACHE_SIZE)), 108f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy mLayerCache(MB(DEFAULT_LAYER_CACHE_SIZE)), 109c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mGradientCache(MB(DEFAULT_GRADIENT_CACHE_SIZE)), 110f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy mPatchCache(DEFAULT_PATCH_CACHE_SIZE) { 11185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy LOGD("Create OpenGLRenderer"); 1129d5316e3f56d138504565ff311145ac01621dff4Romain Guy 113121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy char property[PROPERTY_VALUE_MAX]; 114121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy if (property_get(PROPERTY_TEXTURE_CACHE_SIZE, property, NULL) > 0) { 115dda570201ac851dd85af3861f7e575721d3345daRomain Guy LOGD(" Setting texture cache size to %sMB", property); 116c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mTextureCache.setMaxSize(MB(atof(property))); 117dda570201ac851dd85af3861f7e575721d3345daRomain Guy } else { 118c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy LOGD(" Using default texture cache size of %.2fMB", DEFAULT_TEXTURE_CACHE_SIZE); 119dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 120dda570201ac851dd85af3861f7e575721d3345daRomain Guy 121dda570201ac851dd85af3861f7e575721d3345daRomain Guy if (property_get(PROPERTY_LAYER_CACHE_SIZE, property, NULL) > 0) { 122dda570201ac851dd85af3861f7e575721d3345daRomain Guy LOGD(" Setting layer cache size to %sMB", property); 123c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mLayerCache.setMaxSize(MB(atof(property))); 124dda570201ac851dd85af3861f7e575721d3345daRomain Guy } else { 125c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy LOGD(" Using default layer cache size of %.2fMB", DEFAULT_LAYER_CACHE_SIZE); 126c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 127c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 128c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy if (property_get(PROPERTY_GRADIENT_CACHE_SIZE, property, NULL) > 0) { 129c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy LOGD(" Setting gradient cache size to %sMB", property); 130c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mLayerCache.setMaxSize(MB(atof(property))); 131c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } else { 132c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy LOGD(" Using default gradient cache size of %.2fMB", DEFAULT_GRADIENT_CACHE_SIZE); 133121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy } 134121e2242565d5f09ad83a2d33ecd2225838802c5Romain Guy 135d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mDrawColorProgram = new DrawColorProgram; 136d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mDrawTextureProgram = new DrawTextureProgram; 137f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy mDrawLinearGradientProgram = new DrawLinearGradientProgram; 138d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mCurrentProgram = mDrawTextureProgram; 139d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 140d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShader = kShaderNone; 141a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileX = GL_CLAMP_TO_EDGE; 142a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileY = GL_CLAMP_TO_EDGE; 143d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderMatrix = NULL; 144d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderBitmap = NULL; 145026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1461e79386ba34f0db38c1b35b22cdf122632534354Romain Guy mLastTexture = 0; 1471e79386ba34f0db38c1b35b22cdf122632534354Romain Guy 148026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy memcpy(mDrawTextureVertices, gDrawTextureVertices, sizeof(gDrawTextureVertices)); 149e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 150e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy LOGD("Destroy OpenGLRenderer"); 153ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 154ce0537b80087a6225273040a987414b1dd081aa0Romain Guy mTextureCache.clear(); 155dda570201ac851dd85af3861f7e575721d3345daRomain Guy mLayerCache.clear(); 156c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mGradientCache.clear(); 1576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy mPatchCache.clear(); 158e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 159e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 160f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 161f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 162f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 163f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 16485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 16508ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 16608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 167260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 168bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 169bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 170bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 171f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy mFirstSnapshot.height = height; 172e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 173e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 17485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::prepare() { 1757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot = &mFirstSnapshot; 1767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSaveCount = 0; 177f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17808ae317c21ec3086b5017672bba87420cc38a407Romain Guy glDisable(GL_SCISSOR_TEST); 179bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 18008ae317c21ec3086b5017672bba87420cc38a407Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18108ae317c21ec3086b5017672bba87420cc38a407Romain Guy glClear(GL_COLOR_BUFFER_BIT); 182bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 18308ae317c21ec3086b5017672bba87420cc38a407Romain Guy glEnable(GL_SCISSOR_TEST); 184c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy glScissor(0, 0, mWidth, mHeight); 185f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 186bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mSnapshot->clipRect.set(0.0f, 0.0f, mWidth, mHeight); 187bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 188bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 189f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 190f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 192f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 193bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 1947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 195bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 196bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 197bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 1987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return saveSnapshot(); 199bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 200bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 201bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2027ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (mSaveCount == 0) return; 203bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2047ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (restoreSnapshot()) { 2057ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy setScissorFromClip(); 2067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 208bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 209bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2107ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (saveCount <= 0 || saveCount > mSaveCount) return; 211bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2127ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = false; 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy while (mSaveCount != saveCount - 1) { 2157ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy restoreClip |= restoreSnapshot(); 2167ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 217bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (restoreClip) { 2197ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy setScissorFromClip(); 2207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 221bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 222bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 223bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::saveSnapshot() { 2247ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot = new Snapshot(mSnapshot); 2257ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return ++mSaveCount; 226bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 227bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2297ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 230bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 231f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 232bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 233bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2347ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 235bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 236f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy if (restoreOrtho) { 237260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.load(current->orthoMatrix); 238f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy } 239f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 240bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy if (restoreLayer) { 241d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy composeLayer(current, previous); 242d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 243bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 244d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy mSnapshot = previous; 245d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy mSaveCount--; 2465cbbce535744b89df5ecea95de21ee3733298260Romain Guy 247d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return restoreClip; 248d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2495cbbce535744b89df5ecea95de21ee3733298260Romain Guy 250d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 251dda570201ac851dd85af3861f7e575721d3345daRomain Guy if (!current->layer) { 252dda570201ac851dd85af3861f7e575721d3345daRomain Guy LOGE("Attempting to compose a layer that does not exist"); 253dda570201ac851dd85af3861f7e575721d3345daRomain Guy return; 254dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 255dda570201ac851dd85af3861f7e575721d3345daRomain Guy 256d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // Unbind current FBO and restore previous one 257d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // Most of the time, previous->fbo will be 0 to bind the default buffer 258d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 2595cbbce535744b89df5ecea95de21ee3733298260Romain Guy 260d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // Restore the clip from the previous snapshot 261079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy const Rect& clip = previous->clipRect; 262d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy glScissor(clip.left, mHeight - clip.bottom, clip.getWidth(), clip.getHeight()); 263bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 264dda570201ac851dd85af3861f7e575721d3345daRomain Guy Layer* layer = current->layer; 265dda570201ac851dd85af3861f7e575721d3345daRomain Guy 266d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // Compute the correct texture coordinates for the FBO texture 267d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // The texture is currently as big as the window but drawn with 268d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // a quad of the appropriate size 269dda570201ac851dd85af3861f7e575721d3345daRomain Guy const Rect& rect = layer->layer; 270dda570201ac851dd85af3861f7e575721d3345daRomain Guy 271dda570201ac851dd85af3861f7e575721d3345daRomain Guy drawTextureRect(rect.left, rect.top, rect.right, rect.bottom, 272a979474f15b454c8e2963f239a3770e200bb227cRomain Guy layer->texture, layer->alpha, layer->mode, layer->blend); 273bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 274dda570201ac851dd85af3861f7e575721d3345daRomain Guy LayerSize size(rect.getWidth(), rect.getHeight()); 275f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy // Failing to add the layer to the cache should happen only if the 276f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy // layer is too large 277dda570201ac851dd85af3861f7e575721d3345daRomain Guy if (!mLayerCache.put(size, layer)) { 278dda570201ac851dd85af3861f7e575721d3345daRomain Guy LAYER_LOGD("Deleting layer"); 279bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 280dda570201ac851dd85af3861f7e575721d3345daRomain Guy glDeleteFramebuffers(1, &layer->fbo); 281dda570201ac851dd85af3861f7e575721d3345daRomain Guy glDeleteTextures(1, &layer->texture); 282dda570201ac851dd85af3861f7e575721d3345daRomain Guy 283dda570201ac851dd85af3861f7e575721d3345daRomain Guy delete layer; 284dda570201ac851dd85af3861f7e575721d3345daRomain Guy } 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 287f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 288bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 289bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 290bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 291bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 292bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy const SkPaint* p, int flags) { 293d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int count = saveSnapshot(); 294d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 295d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha = 255; 296d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy SkXfermode::Mode mode; 297d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 298d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy if (p) { 299d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy alpha = p->getAlpha(); 300d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 301d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy if (!isMode) { 302d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy // Assume SRC_OVER 303d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy mode = SkXfermode::kSrcOver_Mode; 304d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 305d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } else { 306d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy mode = SkXfermode::kSrcOver_Mode; 307d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 308d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 309d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags); 310d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 311d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 312bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 313bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 314bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 315bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 316bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int count = saveSnapshot(); 317d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, SkXfermode::kSrcOver_Mode, flags); 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 319d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 320bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 321d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 322d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy float right, float bottom, int alpha, SkXfermode::Mode mode,int flags) { 323bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 324d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy LAYER_LOGD("Requesting layer %fx%f", right - left, bottom - top); 325dda570201ac851dd85af3861f7e575721d3345daRomain Guy LAYER_LOGD("Layer cache size = %d", mLayerCache.getSize()); 326dda570201ac851dd85af3861f7e575721d3345daRomain Guy 327f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy GLuint previousFbo = snapshot->previous.get() ? snapshot->previous->fbo : 0; 328f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy LayerSize size(right - left, bottom - top); 329dda570201ac851dd85af3861f7e575721d3345daRomain Guy 330f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy Layer* layer = mLayerCache.get(size, previousFbo); 331f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 332f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 333bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 334bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 335f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 336f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy 337f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // Clear the FBO 338f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy glDisable(GL_SCISSOR_TEST); 339f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 340f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy glClear(GL_COLOR_BUFFER_BIT); 341f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy glEnable(GL_SCISSOR_TEST); 342f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 343dda570201ac851dd85af3861f7e575721d3345daRomain Guy // Save the layer in the snapshot 344d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 345dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 346dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->alpha = alpha / 255.0f; 347dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->layer.set(left, top, right, bottom); 348dda570201ac851dd85af3861f7e575721d3345daRomain Guy 349dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 350dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->fbo = layer->fbo; 351d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 352f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // Creates a new snapshot to draw into the FBO 353f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy saveSnapshot(); 354f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // TODO: This doesn't preserve other transformations (check Skia first) 355f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy mSnapshot->transform.loadTranslate(-left, -top, 0.0f); 356079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy mSnapshot->setClip(0.0f, 0.0f, right - left, bottom - top); 357f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy mSnapshot->height = bottom - top; 358f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy setScissorFromClip(); 359f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 360079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy mSnapshot->flags = Snapshot::kFlagDirtyOrtho | Snapshot::kFlagClipSet; 361260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mSnapshot->orthoMatrix.load(mOrthoMatrix); 362f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 363f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // Change the ortho projection 364260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0.0f, right - left, bottom - top, 0.0f, 0.0f, 1.0f); 365f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 366d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 367bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 368bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 369bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 370f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 371f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 372f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 373f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 3747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.translate(dx, dy, 0.0f); 375f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 376f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 377f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 3787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.rotate(degrees, 0.0f, 0.0f, 1.0f); 379f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 380f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 381f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 3827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.scale(sx, sy, 1.0f); 383f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 384f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 385f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 3867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.load(*matrix); 387f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 388f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 389f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 3907ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.copyTo(*matrix); 391f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 392f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 393f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 3947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mat4 m(*matrix); 3957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mSnapshot->transform.multiply(m); 396f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 397f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 398f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 399f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 400f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 401f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 402bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 403079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy const Rect& clip = mSnapshot->clipRect; 404f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 4059d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 4069d5316e3f56d138504565ff311145ac01621dff4Romain Guy 4079d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 408079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 409bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 410bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 411c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 412c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy Rect r(left, top, right, bottom); 413079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy mSnapshot->transform.mapRect(r); 414c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return !mSnapshot->clipRect.intersects(r); 415c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 416c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 417079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 418079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 4197ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 4207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy setScissorFromClip(); 4217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 422079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return !mSnapshot->clipRect.isEmpty(); 423e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 424e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 425f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 426f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 427f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 428f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 429c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint) { 4306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 4316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 4326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 4336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 4346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 437f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const Texture* texture = mTextureCache.get(bitmap); 4386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 4398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 4408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 441f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint) { 442f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 443f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 444f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 445f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 4466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 4476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 450f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const Texture* texture = mTextureCache.get(bitmap); 45182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy drawTextureRect(r.left, r.top, r.right, r.bottom, texture, paint); 452f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 453f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 4548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 4558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 4568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 457f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const SkPaint* paint) { 4586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 4596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 462f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const Texture* texture = mTextureCache.get(bitmap); 4638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 4648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 4658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 466c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 4678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 4688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 4698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 4708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 471c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 4728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 4738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 47482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy drawTextureRect(dstLeft, dstTop, dstRight, dstBottom, texture, paint); 4758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 4768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 477ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 478ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 479deba785f122a47915756ffd991f5540d952cf937Romain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 480deba785f122a47915756ffd991f5540d952cf937Romain Guy float left, float top, float right, float bottom, const SkPaint* paint) { 4816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 4826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 485f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy const Texture* texture = mTextureCache.get(bitmap); 486f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 487f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 488f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 489f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 490f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 491f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy Patch* mesh = mPatchCache.get(patch); 492fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy mesh->updateVertices(bitmap, left, top, right, bottom, 493fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy &patch->xDivs[0], &patch->yDivs[0], patch->numXDivs, patch->numYDivs); 494f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 495f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy // Specify right and bottom as +1.0f from left/top to prevent scaling since the 496f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy // patch mesh already defines the final size 497a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, left + 1.0f, top + 1.0f, texture->id, alpha / 255.0f, 498a979474f15b454c8e2963f239a3770e200bb227cRomain Guy mode, texture->blend, &mesh->vertices[0].position[0], 49916202fc9745e9b11db089ebc8f40119d13732016Romain Guy &mesh->vertices[0].texture[0], mesh->indices, mesh->indicesCount); 500f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 501f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 50285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 503079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy const Rect& clip = mSnapshot->clipRect; 5043d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 505c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 5069d5316e3f56d138504565ff311145ac01621dff4Romain Guy 507bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, const SkPaint* p) { 5086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 5096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 5106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 5116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 512026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 513026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 514026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 515026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy if (!isMode) { 516026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Assume SRC_OVER 517026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy mode = SkXfermode::kSrcOver_Mode; 518026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 519026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 520026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 521026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 522026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 523d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 524026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 525026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 526026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 527026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 528c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 5299d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 531d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 532d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 533d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 534d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 535d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShader = OpenGLRenderer::kShaderNone; 536f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy mShaderKey = NULL; 537d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderBlend = false; 538a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileX = GL_CLAMP_TO_EDGE; 539a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileY = GL_CLAMP_TO_EDGE; 540d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 541d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 542d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::setupBitmapShader(SkBitmap* bitmap, SkShader::TileMode tileX, 543d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkShader::TileMode tileY, SkMatrix* matrix, bool hasAlpha) { 5447fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShader = OpenGLRenderer::kShaderBitmap; 545d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderBlend = hasAlpha; 546d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderBitmap = bitmap; 547a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileX = gTileModes[tileX]; 548a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileY = gTileModes[tileY]; 549d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderMatrix = matrix; 550d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 551d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 552c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guyvoid OpenGLRenderer::setupLinearGradientShader(SkShader* shader, float* bounds, uint32_t* colors, 553c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy float* positions, int count, SkShader::TileMode tileMode, SkMatrix* matrix, 554c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy bool hasAlpha) { 555f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy // TODO: We should use a struct to describe each shader 5567fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShader = OpenGLRenderer::kShaderLinearGradient; 557f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy mShaderKey = shader; 5587fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShaderBlend = hasAlpha; 559a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileX = gTileModes[tileMode]; 560a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderTileY = gTileModes[tileMode]; 5617fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShaderMatrix = matrix; 5627fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShaderBounds = bounds; 5637fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShaderColors = colors; 5647fac2e18339f765320d759e8d4c090f92431959eRomain Guy mShaderPositions = positions; 565c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mShaderCount = count; 5667fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 5677fac2e18339f765320d759e8d4c090f92431959eRomain Guy 568d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 5696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 5706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 5716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 572026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 5733d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 574d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 575d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (mShader != kShaderNone) { 576d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 577d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 578d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 579d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // Render using pre-multiplied alpha 580026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy const int alpha = (color >> 24) & 0xFF; 581d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const GLfloat a = alpha / 255.0f; 582d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 583d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy switch (mShader) { 5847fac2e18339f765320d759e8d4c090f92431959eRomain Guy case OpenGLRenderer::kShaderBitmap: 585d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy drawBitmapShader(left, top, right, bottom, a, mode); 586d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy return; 5877fac2e18339f765320d759e8d4c090f92431959eRomain Guy case OpenGLRenderer::kShaderLinearGradient: 588c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy drawLinearGradientShader(left, top, right, bottom, a, mode); 589c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy return; 590d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy default: 591d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy break; 592d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 593026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 594c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 595c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 596c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 597c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 5986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy // Pre-multiplication happens when setting the shader color 599d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy chooseBlending(alpha < 255 || mShaderBlend, mode); 6009d5316e3f56d138504565ff311145ac01621dff4Romain Guy 601c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mModelView.loadTranslate(left, top, 0.0f); 602c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mModelView.scale(right - left, bottom - top, 1.0f); 6039d5316e3f56d138504565ff311145ac01621dff4Romain Guy 604079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (!useProgram(mDrawColorProgram)) { 605d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const GLvoid* p = &gDrawColorVertices[0].position[0]; 606079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy glVertexAttribPointer(mDrawColorProgram->position, 2, GL_FLOAT, GL_FALSE, 607d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy gDrawColorVertexStride, p); 608d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 609d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 6103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy if (!ignoreTransform) { 611079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy mDrawColorProgram->set(mOrthoMatrix, mModelView, mSnapshot->transform); 6123d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy } else { 6133d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy mat4 identity; 614079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy mDrawColorProgram->set(mOrthoMatrix, mModelView, identity); 6153d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy } 6169d5316e3f56d138504565ff311145ac01621dff4Romain Guy 617079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy glUniform4f(mDrawColorProgram->color, r, g, b, a); 6189d5316e3f56d138504565ff311145ac01621dff4Romain Guy 619c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gDrawColorVertexCount); 62082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 621026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 622c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guyvoid OpenGLRenderer::drawLinearGradientShader(float left, float top, float right, float bottom, 623c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy float alpha, SkXfermode::Mode mode) { 624c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy Texture* texture = mGradientCache.get(mShaderKey); 625c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy if (!texture) { 626a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy SkShader::TileMode tileMode = SkShader::kClamp_TileMode; 627a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy switch (mShaderTileX) { 628a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy case GL_REPEAT: 629a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy tileMode = SkShader::kRepeat_TileMode; 630a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy break; 631a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy case GL_MIRRORED_REPEAT: 632a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy tileMode = SkShader::kMirror_TileMode; 633a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy break; 634a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy } 635a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 636c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy texture = mGradientCache.addLinearGradient(mShaderKey, mShaderBounds, mShaderColors, 637a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mShaderPositions, mShaderCount, tileMode); 638c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 639c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 640c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mModelView.loadTranslate(left, top, 0.0f); 641c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mModelView.scale(right - left, bottom - top, 1.0f); 642c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 643c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy useProgram(mDrawLinearGradientProgram); 644c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mDrawLinearGradientProgram->set(mOrthoMatrix, mModelView, mSnapshot->transform); 645c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 646c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy chooseBlending(mShaderBlend || alpha < 1.0f, mode); 647a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy bindTexture(texture->id, mShaderTileX, mShaderTileY); 648c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 649c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy Rect start(mShaderBounds[0], mShaderBounds[1], mShaderBounds[2], mShaderBounds[3]); 650c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy if (mShaderMatrix) { 651c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mat4 shaderMatrix(*mShaderMatrix); 652c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy shaderMatrix.mapRect(start); 653c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 654c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mSnapshot->transform.mapRect(start); 655c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 656c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const float gradientX = start.right - start.left; 657c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const float gradientY = start.bottom - start.top; 658c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 659c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy mat4 screenSpace(mSnapshot->transform); 660c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy screenSpace.multiply(mModelView); 661c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 662c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy // Always premultiplied 663c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glUniform4f(mDrawLinearGradientProgram->color, alpha, alpha, alpha, alpha); 664c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glUniform2f(mDrawLinearGradientProgram->start, start.left, start.top); 665c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glUniform2f(mDrawLinearGradientProgram->gradient, gradientX, gradientY); 666c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glUniform1f(mDrawLinearGradientProgram->gradientLength, 667c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 1.0f / (gradientX * gradientX + gradientY * gradientY)); 668c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glUniformMatrix4fv(mDrawLinearGradientProgram->screenSpace, 1, GL_FALSE, 669c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy &screenSpace.data[0]); 670c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 671c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glVertexAttribPointer(mDrawLinearGradientProgram->position, 2, GL_FLOAT, GL_FALSE, 672c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy gDrawTextureVertexStride, &mDrawTextureVertices[0].position[0]); 673c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 674c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gDrawTextureVertexCount); 675c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy} 676c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 677d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::drawBitmapShader(float left, float top, float right, float bottom, 678d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy float alpha, SkXfermode::Mode mode) { 679d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const Texture* texture = mTextureCache.get(mShaderBitmap); 680d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 681d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const float width = texture->width; 682d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const float height = texture->height; 683d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 684d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // This could be done in the vertex shader but we have only 4 vertices 685d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy float u1 = 0.0f; 686d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy float v1 = 0.0f; 687d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy float u2 = right - left; 688d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy float v2 = bottom - top; 689d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 690d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (mShaderMatrix) { 691d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkMatrix inverse; 692d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mShaderMatrix->invert(&inverse); 693d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mat4 m(inverse); 694d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy Rect r(u1, v1, u2, v2); 695d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy m.mapRect(r); 696d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 697d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy u1 = r.left; 698d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy u2 = r.right; 699d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy v1 = r.top; 700d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy v2 = r.bottom; 701d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 702d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 703d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy u1 /= width; 704d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy u2 /= width; 705d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy v1 /= height; 706d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy v2 /= height; 707d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 708d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 709d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 710d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha, mode, texture->blend, 711d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy &mDrawTextureVertices[0].position[0], &mDrawTextureVertices[0].texture[0], NULL); 712d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 713d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 714d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 715d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 71682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 717a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint) { 71882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 71982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 72082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 72182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 722a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, texture->blend, 723a979474f15b454c8e2963f239a3770e200bb227cRomain Guy &mDrawTextureVertices[0].position[0], &mDrawTextureVertices[0].texture[0], NULL); 72485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 72585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 726bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 727a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 728a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 729f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy &mDrawTextureVertices[0].position[0], &mDrawTextureVertices[0].texture[0], NULL); 730f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 731f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 732f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 733a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 734f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount) { 735bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy mModelView.loadTranslate(left, top, 0.0f); 736bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 737bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 738d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy useProgram(mDrawTextureProgram); 739d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mDrawTextureProgram->set(mOrthoMatrix, mModelView, mSnapshot->transform); 740bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 741a979474f15b454c8e2963f239a3770e200bb227cRomain Guy chooseBlending(blend || alpha < 1.0f, mode); 742a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy bindTexture(texture, mShaderTileX, mShaderTileY); 743c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 744a979474f15b454c8e2963f239a3770e200bb227cRomain Guy // Always premultiplied 745c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy //glUniform4f(mDrawTextureProgram->color, alpha, alpha, alpha, alpha); 746d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy glUniform4f(mDrawTextureProgram->color, alpha, alpha, alpha, alpha); 747bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 748d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy glVertexAttribPointer(mDrawTextureProgram->position, 2, GL_FLOAT, GL_FALSE, 749f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy gDrawTextureVertexStride, vertices); 750d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy glVertexAttribPointer(mDrawTextureProgram->texCoords, 2, GL_FLOAT, GL_FALSE, 751f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy gDrawTextureVertexStride, texCoords); 752bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 753f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy if (!indices) { 754f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gDrawTextureVertexCount); 755f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy } else { 756f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy glDrawElements(GL_TRIANGLES, elementsCount, GL_UNSIGNED_SHORT, indices); 757f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy } 75882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 75982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 76082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, bool isPremultiplied) { 76182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // In theory we should not blend if the mode is Src, but it's rare enough 76282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // that it's not worth it 76382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 76482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 76582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (!mBlend) { 76682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glEnable(GL_BLEND); 76782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 76882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 76982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum sourceMode = gBlends[mode].src; 77082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum destMode = gBlends[mode].dst; 77182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (!isPremultiplied && sourceMode == GL_ONE) { 77282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy sourceMode = GL_SRC_ALPHA; 77382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 77482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 77582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (sourceMode != mLastSrcMode || destMode != mLastDstMode) { 77682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glBlendFunc(sourceMode, destMode); 77782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy mLastSrcMode = sourceMode; 77882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy mLastDstMode = destMode; 77982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 78082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } else if (mBlend) { 78182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 78282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 78382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy mBlend = blend; 784bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 785bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 786d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guybool OpenGLRenderer::useProgram(const sp<Program>& program) { 787d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 788d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mCurrentProgram->remove(); 789d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 790d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy mCurrentProgram = program; 7916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 792260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 7936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 794260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 795260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 796026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 79782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex* v = &mDrawTextureVertices[0]; 79882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 79982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 80082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 80182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 8028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 8038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 8048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 8058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 8068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 8078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (!isMode) { 8088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Assume SRC_OVER 8098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 8108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 8118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 8128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 8138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 8148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 8158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 8168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 8178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 8188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 8198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 8208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 8218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 8228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 823026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 824026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 825a1db574036c9bc2d397b69f8200594027e1fff16Romain Guyvoid OpenGLRenderer::bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT) { 826a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy if (texture != mLastTexture) { 827a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 828a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy mLastTexture = texture; 829a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy } 830a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy // TODO: Don't set the texture parameters every time 831a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 832a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 833a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 834a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 8359d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 836e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 837